loncom/interface/lonprintout.pm - view

File: [LON-CAPA] / loncom / interface / lonprintout.pm
Revision 1.686: download - view: text, annotated - select for diffs
Tue Jan 17 17:38:20 2023 UTC (21 months, 2 weeks ago) by raeburn
Branches: MAIN
CVS tags: HEAD

- Remove extra whitespace

1: # The LearningOnline Network 2: # Printout 3: # 4: # $Id: lonprintout.pm,v 1.686 2023/01/17 17:38:20 raeburn Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # http://www.lon-capa.org/ 26: # 27: # 28: package Apache::lonprintout; 29: use strict; 30: use Apache::Constants qw(:common :http); 31: use Apache::lonxml; 32: use Apache::lonnet; 33: use Apache::loncommon; 34: use Apache::inputtags; 35: use Apache::grades; 36: use Apache::edit; 37: use Apache::File(); 38: use Apache::lonnavmaps; 39: use Apache::admannotations; 40: use Apache::lonenc; 41: use Apache::entities; 42: use Apache::londefdef; 43: # use Apache::structurelags; # for language management. 44: 45: use File::Basename; 46: 47: use HTTP::Response; 48: use LONCAPA::map(); 49: use Apache::lonlocal; 50: use Carp; 51: use LONCAPA; 52: 53: 54: my %perm; 55: my %parmhash; 56: my $resources_printed; 57: 58: # Global variables that describe errors in ssi calls detected by ssi_with_retries. 59: # 60: 61: my $ssi_error; # True if there was an ssi error. 62: my $ssi_last_error_resource; # The resource URI that could not be fetched. 63: my $ssi_last_error; # The error text from the server. (e.g. 500 Server timed out). 64: 65: # 66: # Our ssi max retry count. 67: # 68: 69: my $ssi_retry_count = 5; # Some arbitrary value. 70: 71: 72: # Font size: 73: 74: my $font_size = 'normalsize'; # Default is normalsize... 75: 76: #---------------------------- Helper helpers. ------------------------- 77: 78: ## 79: # Filter function to determine if a resource is a printable sequence. 80: # 81: # @param $res -Resource to check. 82: # 83: # @return 1 - printable and a resource 84: # 0 - either notm a sequence or not printable. 85: # 86: sub printable_sequence { 87: my $res = shift; 88: 89: # Non-sequences are not listed: 90: 91: if (!$res->is_sequence()) { 92: return 0; 93: } 94: 95: # Person with pav or pfo can always print: 96: 97: if ($perm{'pav'} || $perm{'pfo'}) { 98: return 1; 99: } 100: 101: if ($res->is_sequence()) { 102: my $symb = $res->symb(); 103: my $navmap = $res->{NAV_MAP}; 104: 105: # Find the first resource in the map: 106: 107: my $iterator = $navmap->getIterator($res, undef, undef, 1, 1); 108: my $first = $iterator->next(); 109: 110: while (1) { 111: if ($first == $iterator->END_ITERATOR) { last; } 112: if (ref($first) && ! $first->is_sequence()) {last; } 113: $first = $iterator->next(); 114: } 115: 116: 117: # Might be an empty map: 118: 119: if (!ref($first)) { 120: return 0; 121: } 122: my $partsref = $first->parts(); 123: my @parts = @$partsref; 124: my ($open, $close) = $navmap->map_printdates($first, $parts[0]); 125: return &printable($open, $close); 126: } 127: return 0; 128: } 129: 130: # BZ5209: 131: # Create the states needed to run the helper for incomplete problems from 132: # the current folder for selected students. 133: # This includes: 134: # - A resource selector limited to problems (incompleteness must be 135: # calculated on a student per student basis. 136: # - A student selector. 137: # - Tie in to the FORMAT of the print job. 138: # 139: # States: 140: # CHOOSE_INCOMPLETE_PEOPLE_SEQ - Resource selection. 141: # CHOOSE_STUDENTS_INCOMPLETE - Student selection. 142: # CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection 143: # Parameters: 144: # helper - the helper which already contains info about the current folder we can 145: # purloin. 146: # map - the map for which incomplete problems are to be printed 147: # nocurrloc - True if printout called from icon/link in Tools in /adm/navmaps 148: # Return: 149: # XML that can be parsed by the helper to drive the state machine. 150: # 151: sub create_incomplete_folder_selstud_helper { 152: my ($helper, $map, $nocurrloc) = @_; 153: 154: 155: my $symbFilter = '$res->shown_symb()'; 156: my $selFilter = '$res->is_problem()'; 157: 158: 159: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ', 160: 'Select problem(s) to print', 161: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1" nocurrloc="'.$nocurrloc.'"', 162: 'RESOURCES', 163: 'CHOOSE_STUDENTS_INCOMPLETE', 164: $map, 165: $selFilter, 166: '', 167: $symbFilter, 168: ''); 169: 170: my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE', 171: 'student_sort', 172: 'STUDENTS', 173: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); 174: 175: my $format_chooser = &generate_format_selector($helper, 176: 'Format of the print job', 177: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state. 178: 179: return $resource_chooser . $student_chooser . $format_chooser; 180: } 181: 182: 183: # BZ 5209 184: # Create the states needed to run the helper for incomplete problems from 185: # the current folder for selected students. 186: # This includes: 187: # - A resource selector limited to problems. (incompleteness must be calculated 188: # on a student per student basis. 189: # - A student selector. 190: # - Tie in to format for the print job. 191: # States: 192: # INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector. 193: # INCOMPLETE_PROBLEMS_COURSE_STUDENTS - Student selector. 194: # INCOMPLETE_PROBLEMS_COURSE_FORMAT - Format selection. 195: # 196: # Parameters: 197: # helper - Helper we are creating states for. 198: # Returns: 199: # Text that can be parsed by the helper. 200: # 201: 202: sub create_incomplete_course_helper { 203: my $helper = shift; 204: 205: my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())'; 206: my $symbfilter = '$res->shown_symb()'; 207: 208: my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES', 209: 'Select problem(s) to print', 210: 'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1" modallink="1"', 211: 'RESOURCES', 212: 'INCOMPLETE_PROBLEMS_COURSE_STUDENTS', 213: '', 214: $filter, 215: '', 216: $symbfilter, 217: ''); 218: 219: my $people_chooser = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS', 220: 'student_sort', 221: 'STUDENTS', 222: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); 223: 224: my $format = &generate_format_selector($helper, 225: 'Format of the print job', 226: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state. 227: 228: return $resource_chooser . $people_chooser . $format; 229: 230: 231: } 232: 233: # BZ5209 234: # Creates the states needed to run the print helper for a student 235: # that wants to print his incomplete problems from the current folder. 236: # Parameters: 237: # $helper - helper we are generating states for. 238: # $map - The map for which the student wants incomplete problems. 239: # $nocurrloc - True if printout called from icon/link in Tools in /adm/navmaps 240: # Returns: 241: # XML that defines the helper states being created. 242: # 243: # States: 244: # CHOOSE_INCOMPLETE_SEQ - Resource selector. 245: # 246: sub create_incomplete_folder_helper { 247: my ($helper, $map, $nocurrloc) = @_; 248: 249: my $filter = '$res->is_problem()'; 250: $filter .= ' && $res->resprintable() '; 251: $filter .= ' && $res->is_incomplete() '; 252: 253: my $symfilter = '$res->shown_symb()'; 254: 255: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ', 256: 'Select problem(s) to print', 257: 'multichoice="1", toponly ="1", addstatus="1", closeallpages="1" modallink="1" nocurrloc="'.$nocurrloc.'"', 258: 'RESOURCES', 259: 'PAGESIZE', 260: $map, 261: $filter, '', 262: $symfilter, 263: ''); 264: 265: return $resource_chooser; 266: } 267: 268: 269: # Returns the text neded for a student chooser. 270: # that text must still be parsed by the helper xml parser. 271: # Parameters: 272: # this_state - State name of the chooser. 273: # sort_choice - variable to hold the sorting choice. 274: # variable - Name of variable to hold students. 275: # next_state - State after chooser. 276: 277: 278: sub generate_student_chooser { 279: my ($this_state, 280: $sort_choice, 281: $variable, 282: $next_state) = @_; 283: my $result = <<CHOOSE_STUDENTS; 284: <state name="$this_state" title="Select Students and Resources"> 285: <message><b>Select sorting order of printout</b> </message> 286: 287: <choices variable="$sort_choice"> 288: <choice computer='0'>Sort by section then student</choice> 289: <choice computer='1'>Sort by students across sections.</choice> 290: </choices> 291: 292: <message><br /><hr /><br /> </message> 293: <student multichoice='1' 294: variable="$variable" 295: nextstate="$next_state" 296: coursepersonnel="1" /> 297: </state> 298: 299: CHOOSE_STUDENTS 300: 301: return $result; 302: } 303: 304: # Generate the text needed for a resource chooser given the top level of 305: # the sequence/page 306: # 307: # Parameters: 308: # this_state - State name of the chooser. 309: # prompt_text - Text to use to prompt user. 310: # resource_options - Resource tag options e.g. 311: # "multichoice='1', toponly='1', addstatus='1', 312: # modallink='1'" 313: # that control the selection and appearance of the 314: # resource selector. 315: # variable - Name of the variable to hold the choice 316: # next_state - Name of the next state the helper should transition 317: # to 318: # top_url - Top level URL within which to make the selector. 319: # If empty the top level sequence is shown. 320: # filter - How to filter the resources. 321: # value_func - <valuefunc> function. 322: # choice_func - If not empty generates a <choicefunc> with this function. 323: # start_new_option 324: # - Fragment appended after valuefunc. 325: # 326: # 327: sub generate_resource_chooser { 328: my ($this_state, 329: $prompt_text, 330: $resource_options, 331: $variable, 332: $next_state, 333: $top_url, 334: $filter, 335: $choice_func, 336: $value_func, 337: $start_new_option) = @_; 338: 339: my $result = <<CHOOSE_RESOURCES; 340: <state name="$this_state" title="$prompt_text"> 341: <resource variable="$variable" $resource_options 342: closeallpages="1"> 343: <nextstate>$next_state</nextstate> 344: <filterfunc>return $filter;</filterfunc> 345: CHOOSE_RESOURCES 346: if ($choice_func ne '') { 347: $result .= "<choicefunc>return $choice_func;</choicefunc>"; 348: } 349: if ($top_url ne '') { 350: $result .= "<mapurl>$top_url</mapurl>"; 351: } 352: $result .= <<CHOOSE_RESOURCES; 353: <valuefunc>return $value_func;</valuefunc> 354: $start_new_option 355: </resource> 356: </state> 357: CHOOSE_RESOURCES 358: return $result; 359: } 360: # 361: # Generate the helper XML for a code choice helper dialog: 362: # 363: # Paramters: 364: # $helper - Reference to the helper. 365: # $state - Name of the state for the chooser. 366: # $next_state - Name fo the state to follow the chooser. 367: # $bubble_types - Populates the bubble sheet type dropt down. 368: # $code_selections - Provides set of code choices that have been used 369: # $saved_codes - Provides the list of saved codes. 370: # 371: # Returns; 372: # The Xml of the code chooser. 373: # 374: sub generate_code_selector { 375: my ($helper, 376: $state, 377: $next_state, 378: $bubble_types, 379: $code_selections, 380: $saved_codes) = @_; # Unpack the parameters. 381: 382: my $result = <<CHOOSE_ANON1; 383: <state name="$state" title="Specify CODEd Assignments"> 384: <nextstate>$next_state</nextstate> 385: <message><h4>Fill out one of the forms below</h4></message> 386: <message><br /><hr /> <br /></message> 387: <message><h3>Generate new CODEd Assignments</h3></message> 388: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message> 389: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1"> 390: <validator> 391: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && 392: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 393: !\$helper->{'VARS'}{'SINGLE_CODE'} && 394: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) { 395: 396: return "You need to specify the number of assignments to print"; 397: } 398: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) && 399: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) { 400: return 'Specifying number of codes to print and a specific code is not compatible'; 401: } 402: return undef; 403: </validator> 404: </string> 405: <message></td></tr><tr><td></message> 406: <message><b>Names to save the CODEs under for later:</b></message> 407: <message></td><td></message> 408: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> 409: <message></td></tr><tr><td></message> 410: <message><b>Bubblesheet type:</b></message> 411: <message></td><td></message> 412: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0"> 413: $bubble_types 414: </dropdown> 415: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message> 416: <message></td></tr><tr><td></table></message> 417: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message> 418: <message><tr><td><b>Enter a CODE to print:</b></td><td></message> 419: <string variable="SINGLE_CODE" size="10"> 420: <validator> 421: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && 422: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 423: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 424: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, 425: \$helper->{'VARS'}{'CODE_OPTION'}); 426: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){ 427: return 'Specifying a code name is incompatible with specifying number of codes.'; 428: } else { 429: return undef; # Other forces control us. 430: } 431: </validator> 432: </string> 433: <message></td></tr><tr><td></message> 434: $code_selections 435: <message></td></tr></table></message> 436: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message> 437: <message><b>Select saved CODEs:</b></message> 438: <message></td><td></message> 439: <dropdown variable="REUSE_OLD_CODES"> 440: $saved_codes 441: </dropdown> 442: <message></td></tr></table></message> 443: </state> 444: CHOOSE_ANON1 445: 446: return $result; 447: } 448: 449: sub generate_common_choosers { 450: my ($r,$helper,$map,$url,$isProblem,$symbFilter,$start_new_option) = @_; 451: 452: my $randomly_ordered_warning = 453: &get_randomly_ordered_warning($helper, $map); 454: 455: # code for a few states used for printout launched from both 456: # /adm/navmpas and from a resource by a privileged user: 457: # - To allow resources to be selected for printing. 458: # - To determine pagination between assignments. 459: # - To determine how many assignments should be bundled into a single PDF. 460: 461: my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS', 462: 'Select resources to print', 463: 'multichoice="1" addstatus="1" closeallpages="1" modallink="1" suppressNavmap="1"', 464: 'RESOURCES', 465: 'PRINT_FORMATTING', 466: $map, 467: $isProblem, '', $symbFilter, 468: $start_new_option); 469: $resource_selector .= &generate_format_selector($helper, 470: 'How should results be printed?', 471: 'PRINT_FORMATTING'). 472: &generate_resource_chooser('CHOOSE_STUDENTS_PAGE', 473: 'Select Problem(s) to print', 474: "multichoice='1' addstatus='1' closeallpages ='1' modallink='1'", 475: 'RESOURCES', 476: 'PRINT_FORMATTING', 477: $url, 478: $isProblem, '', $symbFilter, 479: $start_new_option); 480: 481: # Generate student choosers. 482: 483: &Apache::lonxml::xmlparse($r, 'helper', 484: &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE', 485: 'student_sort', 486: 'STUDENTS', 487: 'CHOOSE_STUDENTS_PAGE')); 488: &Apache::lonxml::xmlparse($r, 'helper', 489: &generate_student_chooser('CHOOSE_STUDENTS', 490: 'student_sort', 491: 'STUDENTS', 492: 'SELECT_PROBLEMS')); 493: &Apache::lonxml::xmlparse($r, 'helper', $resource_selector); 494: 495: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 496: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 497: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum); 498: my $namechoice='<choice></choice>'; 499: foreach my $name (sort {uc($a) cmp uc($b)} @names) { 500: if ($name =~ /^error: 2 /) { next; } 501: if ($name =~ /^type\0/) { next; } 502: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>'; 503: } 504: 505: my %code_values; 506: my %codes_to_print; 507: foreach my $key (@names) { 508: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum); 509: foreach my $key (keys(%code_values)) { 510: $codes_to_print{$key} = 1; 511: } 512: } 513: 514: my $code_selection; 515: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) { 516: my $choice = $code; 517: if ($code =~ /^[A-Z]+$/) { # Alpha code 518: $choice = &letters_to_num($code); 519: } 520: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]); 521: } 522: if (%codes_to_print) { 523: $code_selection .=' 524: <message><b>Choose single CODE from list:</b></message> 525: <message></td><td></message> 526: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0"> 527: <choice></choice> 528: <exec> 529: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}}); 530: </exec> 531: </dropdown> 532: <message></td></tr><tr><td></message> 533: '.$/; 534: } 535: 536: my @lines = &Apache::lonnet::get_scantronformat_file(); 537: my $codechoice=''; 538: foreach my $line (@lines) { 539: next if (($line =~ /^\#/) || ($line eq '')); 540: my ($name,$description,$code_type,$code_length)= 541: (split(/:/,$line))[0,1,2,4]; 542: if ($code_length > 0 && 543: $code_type =~/^(letter|number|-1)/) { 544: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>'; 545: } 546: } 547: if ($codechoice eq '') { 548: $codechoice='<choice computer="default">Default</choice>'; 549: } 550: my $anon1 = &generate_code_selector($helper, 551: 'CHOOSE_ANON1', 552: 'SELECT_PROBLEMS', 553: $codechoice, 554: $code_selection, 555: $namechoice) . $resource_selector; 556: 557: &Apache::lonxml::xmlparse($r, 'helper',$anon1); 558: 559: my $anon_page = &generate_code_selector($helper, 560: 'CHOOSE_ANON1_PAGE', 561: 'SELECT_PROBLEMS_PAGE', 562: $codechoice, 563: $code_selection, 564: $namechoice) . 565: &generate_resource_chooser('SELECT_PROBLEMS_PAGE', 566: 'Select Problem(s) to print', 567: "multichoice='1' addstatus='1' closeallpages ='1' modallink='1'", 568: 'RESOURCES', 569: 'PRINT_FORMATTING', 570: $url, 571: $isProblem, '', $symbFilter, 572: $start_new_option); 573: &Apache::lonxml::xmlparse($r, 'helper', $anon_page); 574: return ($randomly_ordered_warning,$codechoice,$code_selection,$namechoice); 575: } 576: 577: # Returns the XML for choosing how assignments are to be formatted 578: # that text must still be parsed by the helper xml parser. 579: # Parameters: 3 (required) 580: 581: # helper - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used 582: # to check if splitting PDFs by section can be offered. 583: # title - Title for the current state. 584: # this_state - State name of the chooser. 585: 586: sub generate_format_selector { 587: my ($helper,$title,$this_state) = @_; 588: my $secpdfoption; 589: unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') || 590: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') || 591: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') || 592: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences_problems_for_anon') || 593: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences_resources_for_anon')) { 594: $secpdfoption = '<choice computer="sections">Each PDF contains exactly one section</choice>'; 595: } 596: return <<RESOURCE_SELECTOR; 597: <state name="$this_state" title="$title"> 598: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> 599: <choices variable="EMPTY_PAGES"> 600: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> 601: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> 602: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> 603: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> 604: </choices> 605: <nextstate>PAGESIZE</nextstate> 606: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message> 607: <choices variable="SPLIT_PDFS"> 608: <choice computer="all">All assignments in a single PDF file</choice> 609: $secpdfoption 610: <choice computer="oneper">Each PDF contains exactly one assignment</choice> 611: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT"> 612: Specify the number of assignments per PDF:</choice> 613: </choices> 614: </state> 615: RESOURCE_SELECTOR 616: } 617: 618: #----------------------------------------------------------------------- 619: 620: # Computes an open and close date from a list of open/close dates for a resource's 621: # parts. 622: # 623: # @param \@opens - reference to an array of open dates. 624: # @param \@closes - reference to an array of close dates. 625: # 626: # @return ($open, $close) 627: # 628: # @note If open/close dates are not defined they will be returned as undef 629: # @note It is possible for there to be no overlap in which case -1,-1 630: # will be returned. 631: # @note The algorithm used is to take the latest open date and the earliest end date. 632: # 633: sub compute_open_window { 634: my ($opensref, $closesref) = @_; 635: 636: my @opens = @$opensref; 637: my @closes = @$closesref; 638: 639: # latest open date: 640: my $latest_open; 641: 642: foreach my $open (@opens) { 643: if (!defined($latest_open) || ($open > $latest_open)) { 644: $latest_open = $open; 645: } 646: } 647: # Earliest close: 648: 649: my $earliest_close; 650: foreach my $close (@closes) { 651: if (!defined($earliest_close) || ($close < $earliest_close)) { 652: $earliest_close = $close; 653: } 654: } 655: 656: # If no overlap...both are -1 as promised. 657: 658: if (($earliest_close ne '') && ($latest_open ne '') 659: && ($earliest_close < $latest_open)) { 660: $latest_open = -1; 661: $earliest_close = -1; 662: } 663: 664: return ($latest_open, $earliest_close); 665: 666: } 667: 668: ## 669: # Determines if 'now' is within the set of printable dates. 670: # 671: # @param $open_date - Starting date/timestamp. 672: # @param $close_date - Ending date/timestamp. 673: # 674: # @return 0 - Not open. 675: # @return 1 - open. 676: # 677: sub printable { 678: my ($open_date, $close_date) = @_; 679: 680: 681: my $now = time(); 682: 683: # Have to do a bit of fancy footwork around undefined open/close dates: 684: 685: if ($open_date && ($open_date > $now)) { 686: return 0; 687: } 688: 689: if ($close_date && ($close_date < $now)) { 690: return 0; 691: } 692: 693: return 1; 694: 695: } 696: 697: ## 698: # Returns the innermost print start/print end dates for a resource. 699: # This is done by looking at the start/end dates for its parts and choosing 700: # the intersection of those dates. 701: # 702: # @param res - lonnvamaps::resource object that represents the resource. 703: # 704: # @return (opendate, closedate) 705: # 706: # @note If open/close dates are not defined they will be returned as undef 707: # @note It is possible for there to be no overlap in which case -1,-1 708: # will be returned. 709: # @note The algorithm used is to take the latest open date and the earliest end date. 710: # For consistency with &printable() in lonnavmaps.pm determination of start 711: # date for printing checks printstartdate param first, then, if not set, 712: # opendate param, then, if not set, contentopen param. 713: 714: sub get_print_dates { 715: my $res = shift; 716: my $partsref = $res->parts(); 717: my @parts; 718: if (ref($partsref) eq 'ARRAY') { 719: @parts = @{$partsref}; 720: } 721: my $open_date; 722: my $close_date; 723: my @open_dates; 724: my @close_dates; 725: 726: 727: if (@parts) { 728: foreach my $part (@parts) { 729: my $partopen = $res->parmval('printstartdate', $part); 730: my $partclose = $res->parmval('printenddate', $part); 731: if (!$partopen) { 732: $partopen = $res->parmval('opendate',$part); 733: } 734: if (!$partopen) { 735: $partopen = $res->parmval('contentopen',$part); 736: } 737: if ($partopen) { 738: push(@open_dates, $partopen); 739: } 740: if ($partclose) { 741: push(@close_dates, $partclose); 742: } 743: push(@open_dates, $partopen); 744: push(@close_dates, $partclose); 745: } 746: } 747: 748: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates); 749: 750: return ($open_date, $close_date); 751: } 752: 753: ## 754: # Get the dates for which a course says a resource can be printed. This is like 755: # get_print_dates but namvaps::course_print_dates are gotten...and not converted 756: # to times either. 757: # 758: # @param $res - Reference to a resource has from lonnvampas::resource. 759: # 760: # @return (opendate, closedate) 761: # 762: sub course_print_dates { 763: my $res = shift; 764: my $partsref = $res->parts(); 765: my @parts = @$partsref; 766: my $open_date; 767: my $close_date; 768: my @open_dates; 769: my @close_dates; 770: my $navmap = $res->{NAV_MAP}; # Slightly OO dirty. 771: 772: # Don't bother looping over undefined or empty parts arraY; 773: 774: if (@parts) { 775: foreach my $part (@parts) { 776: my ($partopen, $partclose) = $navmap->course_printdates($res, $part); 777: push(@open_dates, $partopen); 778: push(@close_dates, $partclose); 779: } 780: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates); 781: } 782: return ($open_date, $close_date); 783: } 784: ## 785: # Same as above but for the enclosing map: 786: # 787: sub map_print_dates { 788: my $res = shift; 789: my $partsref = $res->parts(); 790: my @parts = @$partsref; 791: my $open_date; 792: my $close_date; 793: my @open_dates; 794: my @close_dates; 795: my $navmap = $res->{NAV_MAP}; # slightly OO dirty. 796: 797: 798: # Don't bother looping over undefined or empty parts arraY; 799: 800: if (@parts) { 801: foreach my $part (@parts) { 802: my ($partopen, $partclose) = $navmap->map_printdates($res, $part); 803: push(@open_dates, $partopen); 804: push(@close_dates, $partclose); 805: } 806: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates); 807: } 808: return ($open_date, $close_date); 809: } 810: 811: # Determine if a resource is incomplete given the map: 812: # Parameters: 813: # $username - Name of user for whom we are checking. 814: # $domain - Domain of user we are checking. 815: # $map - map name. 816: # Returns: 817: # 0 - map is not incomplete. 818: # 1 - map is incomplete. 819: # 820: sub incomplete { 821: my ($username, $domain, $map) = @_; 822: 823: 824: my $navmap = Apache::lonnavmaps::navmap->new($username, $domain); 825: 826: 827: if (defined($navmap)) { 828: my $res = $navmap->getResourceByUrl($map); 829: my $result = $res->is_incomplete(); 830: return $result; 831: } else { 832: return 1; 833: } 834: } 835: # 836: # When printing for students, the resources and order of the 837: # resources may need to be altered if there are folders with 838: # random selectiopn or random ordering (or both) enabled. 839: # This sub computes the set of resources to print for a student 840: # modified both by random ordering and selection and filtered 841: # to only those that are in the original set selected to be printed. 842: # 843: # Parameters: 844: # $map - The URL of the folder being printed. 845: # Used to determine which startResource and finishResource 846: # to use when using the navmap's getIterator method. 847: # $seq - The original set of resources to print. 848: # (really an array of resource names (array of symb's). 849: # $who - Student/domain for whome the sequence will be generated. 850: # $code - CODE being printed when printing Problems/Resources 851: # from folder for CODEd assignments 852: # $nohidemap - If true, parameter in map for hiddenresource will be 853: # ignored. The user calling the routine should have 854: # both the pav and vgr privileges if this is set to true). 855: # 856: # Implicit inputs: 857: # $ 858: # Returns: 859: # reference to an array of resources that can be passed to 860: # print_resources. 861: # 862: sub master_seq_to_person_seq { 863: my ($map, $seq, $who, $code, $nohidemap) = @_; 864: 865: 866: my ($username, $userdomain, $usersection) = split(/:/, $who); 867: 868: # Toss the sequence up into a hash so that we have O(1) lookup time. 869: # on the items that come out of the user's list of resources. 870: # 871: 872: my %seq_hash = map {$_ => 1} @$seq; 873: my @output_seq; 874: 875: my $unhidden; 876: if ($nohidemap) { 877: $unhidden = &Apache::lonnet::clutter($map); 878: } 879: 880: my $navmap = Apache::lonnavmaps::navmap->new($username, $userdomain, 881: $code, $unhidden); 882: my ($start,$finish); 883: 884: if ($map) { 885: my $mapres = $navmap->getResourceByUrl($map); 886: if ($mapres->is_map()) { 887: $start = $mapres->map_start(); 888: $finish = $mapres->map_finish(); 889: } 890: } 891: unless ($start && $finish) { 892: $start = $navmap->firstResource(); 893: $finish = $navmap->finishResource(); 894: } 895: 896: my $iterator = $navmap->getIterator($start,$finish,{},1); 897: 898: # Iterate on the resource..select the items that are randomly selected 899: # and that are in the seq_has. Presumably the iterator will take care 900: # of the random ordering part of the deal. 901: # 902: my $curres; 903: while ($curres = $iterator->next()) { 904: # 905: # Only process resources..that are not removed by randomout... 906: # and are selected for printint as well. 907: # 908: if (ref($curres) && ! $curres->randomout()) { 909: my $currsymb = $curres->symb(); 910: if (exists($seq_hash{$currsymb})) { 911: push(@output_seq, $currsymb); 912: } 913: } 914: } 915: 916: return \@output_seq; # for now. 917: 918: } 919: 920: 921: # Fetch the contents of a resource, uninterpreted. 922: # This is used here to fetch a latex file to be included 923: # verbatim into the printout< 924: # NOTE: Ask Guy if there is a lonnet function similar to this? 925: # 926: # Parameters: 927: # URL of the file 928: # 929: sub fetch_raw_resource { 930: my ($url) = @_; 931: 932: my $filename = &Apache::lonnet::filelocation("", $url); 933: my $contents = &Apache::lonnet::getfile($filename); 934: 935: if ($contents == -1) { 936: return "File open failed for $filename"; # This will bomb the print. 937: } 938: return $contents; 939: 940: 941: } 942: 943: # Fetch the annotations associated with a URL and 944: # put a centered 'annotations:' title. 945: # This is all suppressed if the annotations are empty. 946: # 947: sub annotate { 948: my ($symb) = @_; 949: 950: my $annotation_text = &Apache::loncommon::get_annotation($symb, 1); 951: 952: 953: my $result = ""; 954: 955: if (length($annotation_text) > 0) { 956: $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ '; 957: $result .= "\n"; 958: $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex. 959: $result .= "\n\n"; 960: } 961: return $result; 962: } 963: 964: # 965: # Set a global document font size: 966: # This is done by replacing \begin{document} 967: # with \begin{document}{\some-font-directive 968: # and \end{document} with 969: # }\end{document 970: # 971: sub set_font_size { 972: 973: my ($text) = @_; 974: 975: # There appear to be cases where the font directive is empty.. in which 976: # case the first substituion would insert a spurious \ oh happy day. 977: # as this has been the cause of much mystery and hair pulling _sigh_ 978: 979: if ($font_size ne '') { 980: 981: $text =~ s/\\begin\{document}/\\begin{document}{\\$font_size/; 982: $text =~ s/\\end\{document}/}\\end{document}/; 983: 984: } 985: return $text; 986: 987: 988: } 989: 990: # include_pdf - PDF files are included into the 991: # output as follows: 992: # - The PDF, if necessary, is replicated. 993: # - The PDF is added to the list of files to convert to postscript (along with the images). 994: # - The LaTeX is added to include the final converted postscript in the file as an included 995: # job. The assumption is that the includedpsheader.ps header will be included. 996: # 997: # Parameters: 998: # pdf_uri - URI of the PDF file to include. 999: # 1000: # Returns: 1001: # The LaTeX to include. 1002: # 1003: # Assumptions: 1004: # The uri is actually a PDF file 1005: # The postscript will have the includepsheader.ps included. 1006: # 1007: # 1008: sub include_pdf { 1009: my ($pdf_uri) = @_; 1010: 1011: # Where is the file? If not local we'll need to repcopy it:' 1012: 1013: my $file = &Apache::lonnet::filelocation('', $pdf_uri); 1014: if (! -e $file) { 1015: &Apache::lonnet::repcopy($file); 1016: $file = &Apache::lonnet::filelocation('',$pdf_uri); 1017: } 1018: 1019: # The file isn ow replicated locally.. or it did not exist in the first place 1020: # (unlikely). If it did exist, add the pdf to the set of files/images that 1021: # need tob e converted for this print job: 1022: 1023: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'}; 1024: $file =~ s{(.*)/res/}{$londocroot/res/}; 1025: 1026: open(FILE,">>","$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat"); 1027: print FILE ("$file\n"); 1028: close (FILE); 1029: 1030: # Construct the special to put out. To do this we need to get the 1031: # resulting filename after conversion. The file will have the same name 1032: # but will be in the user's spool directory with converted images. 1033: 1034: my $dirname = "/home/httpd/prtspool/$env{'user.name'}/"; 1035: my ( $base, $path, $ext) = &fileparse($file, '.pdf'); 1036: # my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl 1037: $base =~ s/ /\_/g; 1038: 1039: 1040: my $output = &print_latex_header(); 1041: $output .= '\special{ps: _begin_job_ (' 1042: .$base.'.pdf.eps'. 1043: ')run _end_job_}'; 1044: 1045: return $output; 1046: 1047: 1048: } 1049: ## 1050: # Collect the various \select_language{language_name} 1051: # latex tags to build a \usepackage[lang-list]{babel} which will 1052: # appear just prior to the \begin{document} at the front of the concatenated 1053: # set of resources: 1054: # @param doc - The string of latex to search/replace. 1055: # @return string 1056: # @retval - the modified document stringt. 1057: # 1058: sub collect_languages { 1059: my $doc = shift; 1060: my %languages; 1061: while ($doc =~ /\\selectlanguage\{(\w+)}/mg) { 1062: $languages{$1} = 1; # allows us to request each language exactly once. 1063: } 1064: my @lang_list = (keys(%languages)); # List of unique languages 1065: if (scalar @lang_list) { 1066: my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n"; 1067: $doc =~ s/\\begin\{document}/$babel_header\\begin{document}/; 1068: } 1069: return $doc; 1070: } 1071: #------------------------------------------------------------------- 1072: 1073: # 1074: # ssi_with_retries- Does the server side include of a resource. 1075: # if the ssi call returns an error we'll retry it up to 1076: # the number of times requested by the caller. 1077: # If we still have a proble, no text is appended to the 1078: # output and we set some global variables. 1079: # to indicate to the caller an SSI error occurred. 1080: # All of this is supposed to deal with the issues described 1081: # in LonCAPA BZ 5631 see: 1082: # http://bugs.lon-capa.org/show_bug.cgi?id=5631 1083: # by informing the user that this happened. 1084: # 1085: # Parameters: 1086: # resource - The resource to include. This is passed directly, without 1087: # interpretation to lonnet::ssi. 1088: # form - The form hash parameters that guide the interpretation of the resource 1089: # 1090: # retries - Number of retries allowed before giving up completely. 1091: # Returns: 1092: # On success, returns the rendered resource identified by the resource parameter. 1093: # Side Effects: 1094: # The following global variables can be set: 1095: # ssi_error - If an unrecoverable error occurred this becomes true. 1096: # It is up to the caller to initialize this to false 1097: # if desired. 1098: # ssi_last_error_resource - If an unrecoverable error occurred, this is the value 1099: # of the resource that could not be rendered by the ssi 1100: # call. 1101: # ssi_last_error - The error string fetched from the ssi response 1102: # in the event of an error. 1103: # 1104: sub ssi_with_retries { 1105: my ($resource, $retries, %form) = @_; 1106: 1107: my $target = $form{'grade_target'}; 1108: my $aom = $form{'answer_output_mode'}; 1109: 1110: 1111: 1112: my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form); 1113: if (!$response->is_success) { 1114: $ssi_error = 1; 1115: $ssi_last_error_resource = $resource; 1116: $ssi_last_error = $response->code . " " . $response->message; 1117: $content='\section*{!!! An error occurred !!!}'; 1118: } 1119: 1120: return $content; 1121: 1122: } 1123: 1124: sub get_student_view_with_retries { 1125: my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_; 1126: 1127: my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv); 1128: if (!$response->is_success) { 1129: $ssi_error = 1; 1130: $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain; 1131: $ssi_last_error = $response->code . " " . $response->message; 1132: $content='\section*{!!! An error occurred !!!}'; 1133: } 1134: return $content; 1135: 1136: } 1137: 1138: # 1139: # printf_style_subst item format_string repl 1140: # 1141: # Does printf style substitution for a format string that 1142: # can have %[n]item in it.. wherever, %[n]item occurs, 1143: # rep is substituted in format_string. Note that 1144: # [n] is an optional integer length. If provided, 1145: # repl is truncated to at most [n] characters prior to 1146: # substitution. 1147: # 1148: sub printf_style_subst { 1149: my ($item, $format_string, $repl) = @_; 1150: my $result = ""; 1151: while ($format_string =~ /(%)(\d*)\Q$item\E/g ) { 1152: my $fmt = $1; 1153: my $size = $2; 1154: my $subst = $repl; 1155: if ($size ne "") { 1156: $subst = substr($subst, 0, $size); 1157: 1158: # Here's a nice edge case.. supose the end of the 1159: # substring is a \. In that case may have just 1160: # chopped off a TeX escape... in that case, we append 1161: # " " for the trailing character, and let the field 1162: # spill over a bit (sigh). 1163: # We don't just chop off the last character in order to deal 1164: # with one last pathology, and that would be if substr had 1165: # trimmed us to e.g. \\\ 1166: 1167: 1168: if ($subst =~ /\\$/) { 1169: $subst .= " "; 1170: } 1171: } 1172: my $item_pos = pos($format_string); 1173: $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst; 1174: $format_string = substr($format_string, pos($format_string)); 1175: } 1176: 1177: # Put the residual format string into the result: 1178: 1179: $result .= $format_string; 1180: 1181: return $result; 1182: } 1183: 1184: 1185: # Format a header according to a format. 1186: # 1187: 1188: # Substitutions: 1189: # %a - Assignment name. 1190: # %c - Course name. 1191: # %n - Student name. 1192: # %s - The section if it is supplied. 1193: # 1194: sub format_page_header { 1195: my ($width, $format, $assignment, $course, $student, $section) = @_; 1196: 1197: 1198: 1199: $width = &recalcto_mm($width); # Get width in mm. 1200: my $chars_per_line = int($width/1.6); # Character/textline. 1201: 1202: # Default format? 1203: 1204: if ($format eq '') { 1205: # For the default format, we may need to truncate 1206: # elements.. To do this we need to get the page width. 1207: # we assume that each character is about 2mm in width. 1208: # (correct for the header text size??). We ignore 1209: # any formatting (e.g. boldfacing in this). 1210: # 1211: # - Allow the student/course to be one line. 1212: # but only truncate the course. 1213: # - Allow the assignment to be 2 lines (wrapped). 1214: # 1215: 1216: 1217: 1218: my $name_length = int($chars_per_line *3 /4); 1219: my $sec_length = int($chars_per_line / 5); 1220: 1221: $format = "%$name_length".'n'; 1222: 1223: if ($section) { 1224: $format .= ' - Sec: '."%$sec_length".'s'; 1225: } 1226: 1227: $format .= '\\\\%c \\\\ %a'; 1228: 1229: 1230: } 1231: # An open question is how to handle long user formatted page headers... 1232: # A possible future is to support e.g. %na so that the user can control 1233: # the truncation of the elements that can appear in the header. 1234: # 1235: $format = &printf_style_subst("a", $format, $assignment); 1236: $format = &printf_style_subst("c", $format, $course); 1237: $format = &printf_style_subst("n", $format, $student); 1238: $format = &printf_style_subst("s", $format, $section); 1239: 1240: 1241: # If the user put %'s in the format string, they must be escaped 1242: # to \% else LaTeX will think they are comments and terminate 1243: # the line.. which is bad!!! 1244: 1245: # If the user has role author, $course and $assignment are empty so 1246: # there is '\\ \\ ' in the page header. That's cause a error in LaTeX 1247: if($format =~ /\\\\\s\\\\\s/) { 1248: #TODO find sensible caption for page header 1249: my $testPrintout = '\\\\'.&mt('Authoring Space').' \\\\'.&mt('Test-Printout '); 1250: $format =~ s/\\\\\s\\\\\s/$testPrintout/; 1251: } 1252: # 1253: # We're going to trust LaTeX to break lines appropriately, but 1254: # we'll truncate anything that's more than 3 lines worth of 1255: # text. This is also assuming (which will probably end badly) 1256: # nobody's going to embed LaTeX control sequences in the title 1257: # header or rather that those control sequences won't get broken 1258: # by the stuff below. 1259: # 1260: my $total_length = 3*$chars_per_line; 1261: if (length($format) > $total_length) { 1262: $format = substr($format, 0, $total_length); 1263: } 1264: 1265: 1266: return $format; 1267: 1268: } 1269: 1270: # 1271: # Convert a numeric code to letters 1272: # 1273: sub num_to_letters { 1274: my ($num) = @_; 1275: my @nums= split('',$num); 1276: my @num_to_let=('A'..'Z'); 1277: my $word; 1278: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; } 1279: return $word; 1280: } 1281: # Convert a letter code to numeric. 1282: # 1283: sub letters_to_num { 1284: my ($letters) = @_; 1285: my @letters = split('', uc($letters)); 1286: my %substitution; 1287: my $digit = 0; 1288: foreach my $letter ('A'..'J') { 1289: $substitution{$letter} = $digit; 1290: $digit++; 1291: } 1292: # The substitution is done as below to preserve leading 1293: # zeroes which are needed to keep the code size exact 1294: # 1295: my $result =""; 1296: foreach my $letter (@letters) { 1297: $result.=$substitution{$letter}; 1298: } 1299: return $result; 1300: } 1301: 1302: # Determine if a code is a valid numeric code. Valid 1303: # numeric codes must be comprised entirely of digits and 1304: # have a correct number of digits. 1305: # 1306: # Parameters: 1307: # value - proposed code value. 1308: # num_digits - Number of digits required. 1309: # 1310: sub is_valid_numeric_code { 1311: my ($value, $num_digits) = @_; 1312: # Remove leading/trailing whitespace; 1313: $value =~ s/^\s*//g; 1314: $value =~ s/\s*$//g; 1315: 1316: # All digits? 1317: if ($value !~ /^[0-9]+$/) { 1318: return "Numeric code $value has invalid characters - must only be digits"; 1319: } 1320: if (length($value) != $num_digits) { 1321: return "Numeric code $value incorrect number of digits (correct = $num_digits)"; 1322: } 1323: return undef; 1324: } 1325: # Determines if a code is a valid alhpa code. Alpha codes 1326: # are ciphers that map [A-J,a-j] -> 0..9 0..9. 1327: # They also have a correct digit count. 1328: # Parameters: 1329: # value - Proposed code value. 1330: # num_letters - correct number of letters. 1331: # Note: 1332: # leading and trailing whitespace are ignored. 1333: # 1334: sub is_valid_alpha_code { 1335: my ($value, $num_letters) = @_; 1336: 1337: # strip leading and trailing spaces. 1338: 1339: $value =~ s/^\s*//g; 1340: $value =~ s/\s*$//g; 1341: 1342: # All alphas in the right range? 1343: if ($value !~ /^[A-J,a-j]+$/) { 1344: return "Invalid letter code $value must only contain A-J"; 1345: } 1346: if (length($value) != $num_letters) { 1347: return "Letter code $value has incorrect number of letters (correct = $num_letters)"; 1348: } 1349: return undef; 1350: } 1351: 1352: # Determine if a code entered by the user in a helper is valid. 1353: # valid depends on the code type and the type of code selected. 1354: # The type of code selected can either be numeric or 1355: # Alphabetic. If alphabetic, the code, in fact is a simple 1356: # substitution cipher for the actual numeric code: 0->A, 1->B ... 1357: # We'll be nice and be case insensitive for alpha codes. 1358: # Parameters: 1359: # code_value - the value of the code the user typed in. 1360: # code_option - The code type selected from the set in the scantron format 1361: # table. 1362: # Returns: 1363: # undef - The code is valid. 1364: # other - An error message indicating what's wrong. 1365: # 1366: sub is_code_valid { 1367: my ($code_value, $code_option) = @_; 1368: my ($code_type, $code_length) = ('letter', 6); # defaults. 1369: my @lines = &Apache::lonnet::get_scantronformat_file(); 1370: foreach my $line (@lines) { 1371: next if (($line =~ /^\#/) || ($line eq '')); 1372: my ($name, $type, $length) = (split(/:/, $line))[0,2,4]; 1373: if($name eq $code_option) { 1374: $code_length = $length; 1375: if($type eq 'number') { 1376: $code_type = 'number'; 1377: } 1378: } 1379: } 1380: my $valid; 1381: if ($code_type eq 'number') { 1382: return &is_valid_numeric_code($code_value, $code_length); 1383: } else { 1384: return &is_valid_alpha_code($code_value, $code_length); 1385: } 1386: 1387: } 1388: # 1389: # Compare two students by section (Used to sort by section). 1390: # 1391: # Implicit inputs, 1392: # $a - The first one 1393: # $b - The second one. 1394: # 1395: # Returns: 1396: # a-section cmp b-section 1397: # 1398: sub compare_sections { 1399: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a); 1400: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b); 1401: 1402: return $s1 cmp $s2; 1403: } 1404: 1405: # Compare two students by name. The students are in the form 1406: # returned by the helper: 1407: # user:domain:section:last, first:status 1408: # This is a helper function for the perl sort built-in therefore: 1409: # Implicit Inputs: 1410: # $a - The first element to compare (global) 1411: # $b - The second element to compare (global) 1412: # Returns: 1413: # -1 - $a < $b 1414: # 0 - $a == $b 1415: # +1 - $a > $b 1416: # Note that the initial comparison is done on the last names with the 1417: # first names only used to break the tie. 1418: # 1419: # 1420: sub compare_names { 1421: # First split the names up into the primary fields. 1422: 1423: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a); 1424: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b); 1425: 1426: # Now split the last name and first name of each n: 1427: # 1428: 1429: my ($l1,$f1) = split(/,/, $n1); 1430: my ($l2,$f2) = split(/,/, $n2); 1431: 1432: # We don't bother to remove the leading/trailing whitespace from the 1433: # firstname, unless the last names compare identical. 1434: 1435: if($l1 lt $l2) { 1436: return -1; 1437: } 1438: if($l1 gt $l2) { 1439: return 1; 1440: } 1441: 1442: # Break the tie on the first name, but there are leading (possibly trailing 1443: # whitespaces to get rid of first 1444: # 1445: $f1 =~ s/^\s+//; # Remove leading... 1446: $f1 =~ s/\s+$//; # Trailing spaces from first 1... 1447: 1448: $f2 =~ s/^\s+//; 1449: $f2 =~ s/\s+$//; # And the same for first 2... 1450: 1451: if($f1 lt $f2) { 1452: return -1; 1453: } 1454: if($f1 gt $f2) { 1455: return 1; 1456: } 1457: 1458: # Must be the same name. 1459: 1460: return 0; 1461: } 1462: 1463: sub latex_header_footer_remove { 1464: my $text = shift; 1465: $text =~ s/\\end\{document}//; 1466: $text =~ s/\\documentclass([^&]*)\\begin\{document}//; 1467: return $text; 1468: } 1469: # 1470: # If necessary, encapsulate text inside 1471: # a minipage env. 1472: # necessity is determined by the problem_split param. 1473: # 1474: sub encapsulate_minipage { 1475: my ($text,$problem_split) = @_; 1476: if (!($problem_split =~ /yes/i)) { 1477: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}'; 1478: } 1479: return $text; 1480: } 1481: # 1482: # The NUMBER_TO_PRINT and SPLIT_PDFS 1483: # variables interact, this sub looks at these two parameters 1484: # and comes up with a final value for NUMBER_TO_PRINT which can be: 1485: # all - if SPLIT_PDFS eq 'all'. 1486: # 1 - if SPLIT_PDFS eq 'oneper' 1487: # section - if SPLIT_PDFS eq 'sections' 1488: # <unchanged> - if SPLIT_PDFS eq 'usenumber' 1489: # 1490: sub adjust_number_to_print { 1491: my $helper = shift; 1492: 1493: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'}; 1494: 1495: if ($split_pdf eq 'all') { 1496: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all'; 1497: } elsif ($split_pdf eq 'oneper') { 1498: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1; 1499: } elsif ($split_pdf eq 'sections') { 1500: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section'; 1501: } elsif ($split_pdf eq 'usenumber') { 1502: # Unmodified. 1503: } else { 1504: # Error!!!! 1505: 1506: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print"; 1507: 1508: } 1509: } 1510: 1511: 1512: sub character_chart { 1513: my $result = shift; 1514: return &Apache::entities::replace_entities($result); 1515: } 1516: 1517: sub old_character_chart { 1518: my $result = shift; 1519: $result =~ s/&\#0?0?(7|9);//g; 1520: $result =~ s/&\#0?(10|13);//g; 1521: $result =~ s/&\#0?32;/ /g; 1522: $result =~ s/&\#0?33;/!/g; 1523: $result =~ s/&(\#0?34|quot);/\"/g; 1524: $result =~ s/&\#0?35;/\\\#/g; 1525: $result =~ s/&\#0?36;/\\\$/g; 1526: $result =~ s/&\#0?37;/\\%/g; 1527: $result =~ s/&(\#0?38|amp);/\\&/g; 1528: $result =~ s/&\#(0?39|146);/\'/g; 1529: $result =~ s/&\#0?40;/(/g; 1530: $result =~ s/&\#0?41;/)/g; 1531: $result =~ s/&\#0?42;/\*/g; 1532: $result =~ s/&\#0?43;/\+/g; 1533: $result =~ s/&\#(0?44|130);/,/g; 1534: $result =~ s/&\#0?45;/-/g; 1535: $result =~ s/&\#0?46;/\./g; 1536: $result =~ s/&\#0?47;/\//g; 1537: $result =~ s/&\#0?48;/0/g; 1538: $result =~ s/&\#0?49;/1/g; 1539: $result =~ s/&\#0?50;/2/g; 1540: $result =~ s/&\#0?51;/3/g; 1541: $result =~ s/&\#0?52;/4/g; 1542: $result =~ s/&\#0?53;/5/g; 1543: $result =~ s/&\#0?54;/6/g; 1544: $result =~ s/&\#0?55;/7/g; 1545: $result =~ s/&\#0?56;/8/g; 1546: $result =~ s/&\#0?57;/9/g; 1547: $result =~ s/&\#0?58;/:/g; 1548: $result =~ s/&\#0?59;/;/g; 1549: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g; 1550: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g; 1551: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g; 1552: $result =~ s/&\#0?63;/\?/g; 1553: $result =~ s/&\#0?65;/A/g; 1554: $result =~ s/&\#0?66;/B/g; 1555: $result =~ s/&\#0?67;/C/g; 1556: $result =~ s/&\#0?68;/D/g; 1557: $result =~ s/&\#0?69;/E/g; 1558: $result =~ s/&\#0?70;/F/g; 1559: $result =~ s/&\#0?71;/G/g; 1560: $result =~ s/&\#0?72;/H/g; 1561: $result =~ s/&\#0?73;/I/g; 1562: $result =~ s/&\#0?74;/J/g; 1563: $result =~ s/&\#0?75;/K/g; 1564: $result =~ s/&\#0?76;/L/g; 1565: $result =~ s/&\#0?77;/M/g; 1566: $result =~ s/&\#0?78;/N/g; 1567: $result =~ s/&\#0?79;/O/g; 1568: $result =~ s/&\#0?80;/P/g; 1569: $result =~ s/&\#0?81;/Q/g; 1570: $result =~ s/&\#0?82;/R/g; 1571: $result =~ s/&\#0?83;/S/g; 1572: $result =~ s/&\#0?84;/T/g; 1573: $result =~ s/&\#0?85;/U/g; 1574: $result =~ s/&\#0?86;/V/g; 1575: $result =~ s/&\#0?87;/W/g; 1576: $result =~ s/&\#0?88;/X/g; 1577: $result =~ s/&\#0?89;/Y/g; 1578: $result =~ s/&\#0?90;/Z/g; 1579: $result =~ s/&\#0?91;/[/g; 1580: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g; 1581: $result =~ s/&\#0?93;/]/g; 1582: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g; 1583: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g; 1584: $result =~ s/&\#(0?96|145);/\`/g; 1585: $result =~ s/&\#0?97;/a/g; 1586: $result =~ s/&\#0?98;/b/g; 1587: $result =~ s/&\#0?99;/c/g; 1588: $result =~ s/&\#100;/d/g; 1589: $result =~ s/&\#101;/e/g; 1590: $result =~ s/&\#102;/f/g; 1591: $result =~ s/&\#103;/g/g; 1592: $result =~ s/&\#104;/h/g; 1593: $result =~ s/&\#105;/i/g; 1594: $result =~ s/&\#106;/j/g; 1595: $result =~ s/&\#107;/k/g; 1596: $result =~ s/&\#108;/l/g; 1597: $result =~ s/&\#109;/m/g; 1598: $result =~ s/&\#110;/n/g; 1599: $result =~ s/&\#111;/o/g; 1600: $result =~ s/&\#112;/p/g; 1601: $result =~ s/&\#113;/q/g; 1602: $result =~ s/&\#114;/r/g; 1603: $result =~ s/&\#115;/s/g; 1604: $result =~ s/&\#116;/t/g; 1605: $result =~ s/&\#117;/u/g; 1606: $result =~ s/&\#118;/v/g; 1607: $result =~ s/&\#119;/w/g; 1608: $result =~ s/&\#120;/x/g; 1609: $result =~ s/&\#121;/y/g; 1610: $result =~ s/&\#122;/z/g; 1611: $result =~ s/&\#123;/\\{/g; 1612: $result =~ s/&\#124;/\|/g; 1613: $result =~ s/&\#125;/\\}/g; 1614: $result =~ s/&\#126;/\~/g; 1615: $result =~ s/&\#131;/\\textflorin /g; 1616: $result =~ s/&\#132;/\"/g; 1617: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g; 1618: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g; 1619: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g; 1620: $result =~ s/&\#137;/\\textperthousand /g; 1621: $result =~ s/&\#140;/{\\OE}/g; 1622: $result =~ s/&\#147;/\`\`/g; 1623: $result =~ s/&\#148;/\'\'/g; 1624: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g; 1625: $result =~ s/&(\#150|\#8211);/--/g; 1626: $result =~ s/&\#151;/---/g; 1627: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g; 1628: $result =~ s/&\#153;/\\texttrademark /g; 1629: $result =~ s/&\#156;/\\oe/g; 1630: $result =~ s/&\#159;/\\\"Y/g; 1631: $result =~ s/&(\#160|nbsp);/~/g; 1632: $result =~ s/&(\#161|iexcl);/!\`/g; 1633: $result =~ s/&(\#162|cent);/\\textcent /g; 1634: $result =~ s/&(\#163|pound);/\\pounds /g; 1635: $result =~ s/&(\#164|curren);/\\textcurrency /g; 1636: $result =~ s/&(\#165|yen);/\\textyen /g; 1637: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g; 1638: $result =~ s/&(\#167|sect);/\\textsection /g; 1639: $result =~ s/&(\#168|uml);/\\"\{\} /g; 1640: $result =~ s/&(\#169|copy);/\\copyright /g; 1641: $result =~ s/&(\#170|ordf);/\\textordfeminine /g; 1642: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g; 1643: $result =~ s/&(\#173|shy);/ - /g; 1644: $result =~ s/&(\#174|reg);/\\textregistered /g; 1645: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g; 1646: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g; 1647: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g; 1648: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g; 1649: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g; 1650: $result =~ s/&(\#180|acute);/\\'\{\} /g; 1651: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g; 1652: $result =~ s/&(\#182|para);/\\P/g; 1653: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g; 1654: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g; 1655: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g; 1656: $result =~ s/&(\#186|ordm);/\\textordmasculine /g; 1657: $result =~ s/&(\#188|frac14);/\\textonequarter /g; 1658: $result =~ s/&(\#189|frac12);/\\textonehalf /g; 1659: $result =~ s/&(\#190|frac34);/\\textthreequarters /g; 1660: $result =~ s/&(\#191|iquest);/?\`/g; 1661: $result =~ s/&(\#192|Agrave);/\\\`{A}/g; 1662: $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 1663: $result =~ s/&(\#194|Acirc);/\\^{A}/g; 1664: $result =~ s/&(\#195|Atilde);/\\~{A}/g; 1665: $result =~ s/&(\#196|Auml);/\\\"{A}/g; 1666: $result =~ s/&(\#197|Aring);/{\\AA}/g; 1667: $result =~ s/&(\#198|AElig);/{\\AE}/g; 1668: $result =~ s/&(\#199|Ccedil);/\\c{c}/g; 1669: $result =~ s/&(\#200|Egrave);/\\\`{E}/g; 1670: $result =~ s/&(\#201|Eacute);/\\\'{E}/g; 1671: $result =~ s/&(\#202|Ecirc);/\\^{E}/g; 1672: $result =~ s/&(\#203|Euml);/\\\"{E}/g; 1673: $result =~ s/&(\#204|Igrave);/\\\`{I}/g; 1674: $result =~ s/&(\#205|Iacute);/\\\'{I}/g; 1675: $result =~ s/&(\#206|Icirc);/\\^{I}/g; 1676: $result =~ s/&(\#207|Iuml);/\\\"{I}/g; 1677: $result =~ s/&(\#209|Ntilde);/\\~{N}/g; 1678: $result =~ s/&(\#210|Ograve);/\\\`{O}/g; 1679: $result =~ s/&(\#211|Oacute);/\\\'{O}/g; 1680: $result =~ s/&(\#212|Ocirc);/\\^{O}/g; 1681: $result =~ s/&(\#213|Otilde);/\\~{O}/g; 1682: $result =~ s/&(\#214|Ouml);/\\\"{O}/g; 1683: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g; 1684: $result =~ s/&(\#216|Oslash);/{\\O}/g; 1685: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g; 1686: $result =~ s/&(\#218|Uacute);/\\\'{U}/g; 1687: $result =~ s/&(\#219|Ucirc);/\\^{U}/g; 1688: $result =~ s/&(\#220|Uuml);/\\\"{U}/g; 1689: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g; 1690: $result =~ s/&(\#223|szlig);/{\\ss}/g; 1691: $result =~ s/&(\#224|agrave);/\\\`{a}/g; 1692: $result =~ s/&(\#225|aacute);/\\\'{a}/g; 1693: $result =~ s/&(\#226|acirc);/\\^{a}/g; 1694: $result =~ s/&(\#227|atilde);/\\~{a}/g; 1695: $result =~ s/&(\#228|auml);/\\\"{a}/g; 1696: $result =~ s/&(\#229|aring);/{\\aa}/g; 1697: $result =~ s/&(\#230|aelig);/{\\ae}/g; 1698: $result =~ s/&(\#231|ccedil);/\\c{c}/g; 1699: $result =~ s/&(\#232|egrave);/\\\`{e}/g; 1700: $result =~ s/&(\#233|eacute);/\\\'{e}/g; 1701: $result =~ s/&(\#234|ecirc);/\\^{e}/g; 1702: $result =~ s/&(\#235|euml);/\\\"{e}/g; 1703: $result =~ s/&(\#236|igrave);/\\\`{i}/g; 1704: $result =~ s/&(\#237|iacute);/\\\'{i}/g; 1705: $result =~ s/&(\#238|icirc);/\\^{i}/g; 1706: $result =~ s/&(\#239|iuml);/\\\"{i}/g; 1707: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g; 1708: $result =~ s/&(\#241|ntilde);/\\~{n}/g; 1709: $result =~ s/&(\#242|ograve);/\\\`{o}/g; 1710: $result =~ s/&(\#243|oacute);/\\\'{o}/g; 1711: $result =~ s/&(\#244|ocirc);/\\^{o}/g; 1712: $result =~ s/&(\#245|otilde);/\\~{o}/g; 1713: $result =~ s/&(\#246|ouml);/\\\"{o}/g; 1714: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g; 1715: $result =~ s/&(\#248|oslash);/{\\o}/g; 1716: $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 1717: $result =~ s/&(\#250|uacute);/\\\'{u}/g; 1718: $result =~ s/&(\#251|ucirc);/\\^{u}/g; 1719: $result =~ s/&(\#252|uuml);/\\\"{u}/g; 1720: $result =~ s/&(\#253|yacute);/\\\'{y}/g; 1721: $result =~ s/&(\#255|yuml);/\\\"{y}/g; 1722: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g; 1723: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g; 1724: #Greek Alphabet 1725: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g; 1726: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g; 1727: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g; 1728: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g; 1729: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g; 1730: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g; 1731: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g; 1732: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g; 1733: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g; 1734: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g; 1735: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g; 1736: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g; 1737: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g; 1738: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g; 1739: $result =~ s/&(omicron|\#959);/o/g; 1740: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g; 1741: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g; 1742: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g; 1743: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g; 1744: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g; 1745: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g; 1746: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g; 1747: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g; 1748: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g; 1749: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g; 1750: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g; 1751: $result =~ s/&(Alpha|\#913);/A/g; 1752: $result =~ s/&(Beta|\#914);/B/g; 1753: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g; 1754: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g; 1755: $result =~ s/&(Epsilon|\#917);/E/g; 1756: $result =~ s/&(Zeta|\#918);/Z/g; 1757: $result =~ s/&(Eta|\#919);/H/g; 1758: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g; 1759: $result =~ s/&(Iota|\#921);/I/g; 1760: $result =~ s/&(Kappa|\#922);/K/g; 1761: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g; 1762: $result =~ s/&(Mu|\#924);/M/g; 1763: $result =~ s/&(Nu|\#925);/N/g; 1764: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g; 1765: $result =~ s/&(Omicron|\#927);/O/g; 1766: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g; 1767: $result =~ s/&(Rho|\#929);/P/g; 1768: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g; 1769: $result =~ s/&(Tau|\#932);/T/g; 1770: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g; 1771: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g; 1772: $result =~ s/&(Chi|\#935);/X/g; 1773: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g; 1774: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g; 1775: #Arrows (extended HTML 4.01) 1776: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g; 1777: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g; 1778: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g; 1779: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g; 1780: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g; 1781: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g; 1782: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g; 1783: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g; 1784: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g; 1785: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g; 1786: #Mathematical Operators (extended HTML 4.01) 1787: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g; 1788: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g; 1789: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g; 1790: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g; 1791: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g; 1792: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g; 1793: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g; 1794: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g; 1795: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g; 1796: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g; 1797: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g; 1798: $result =~ s/–/\\ensuremath\{-\}/g; 1799: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g; 1800: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g; 1801: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g; 1802: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g; 1803: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g; 1804: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g; 1805: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g; 1806: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g; 1807: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g; 1808: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g; 1809: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g; 1810: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g; 1811: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g; 1812: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g; 1813: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g; 1814: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g; 1815: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g; 1816: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g; 1817: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g; 1818: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g; 1819: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g; 1820: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g; 1821: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g; 1822: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g; 1823: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g; 1824: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g; 1825: #Geometric Shapes (extended HTML 4.01) 1826: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g; 1827: #Miscellaneous Symbols (extended HTML 4.01) 1828: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g; 1829: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g; 1830: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g; 1831: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g; 1832: # Chemically useful 'things' contributed by Hon Kie (bug 4652). 1833: 1834: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g; 1835: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g; 1836: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g; 1837: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g; 1838: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g; 1839: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g; 1840: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g; 1841: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g; 1842: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g; 1843: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g; 1844: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g; 1845: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g; 1846: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g; 1847: 1848: # Left/right quotations: 1849: 1850: $result =~ s/&(ldquo|#8220);/\`\`/g; 1851: $result =~ s/&(rdquo|#8221);/\'\'/g; 1852: 1853: 1854: 1855: return $result; 1856: } 1857: 1858: 1859: #width, height, oddsidemargin, evensidemargin, topmargin 1860: my %page_formats= 1861: ('letter' => { 1862: 'book' => { 1863: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'], 1864: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'] 1865: }, 1866: 'album' => { 1867: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'], 1868: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in'] 1869: }, 1870: }, 1871: 'legal' => { 1872: 'book' => { 1873: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'], 1874: '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in'] 1875: }, 1876: 'album' => { 1877: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'], 1878: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in'] 1879: }, 1880: }, 1881: 'tabloid' => { 1882: 'book' => { 1883: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'], 1884: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in'] 1885: }, 1886: 'album' => { 1887: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'], 1888: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in'] 1889: }, 1890: }, 1891: 'executive' => { 1892: 'book' => { 1893: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'], 1894: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in'] 1895: }, 1896: 'album' => { 1897: '1' => [], 1898: '2' => [] 1899: }, 1900: }, 1901: 'a2' => { 1902: 'book' => { 1903: '1' => [], 1904: '2' => [] 1905: }, 1906: 'album' => { 1907: '1' => [], 1908: '2' => [] 1909: }, 1910: }, 1911: 'a3' => { 1912: 'book' => { 1913: '1' => [], 1914: '2' => [] 1915: }, 1916: 'album' => { 1917: '1' => [], 1918: '2' => [] 1919: }, 1920: }, 1921: 'a4' => { 1922: 'book' => { 1923: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'], 1924: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'] 1925: }, 1926: 'album' => { 1927: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'], 1928: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm'] 1929: }, 1930: }, 1931: 'a5' => { 1932: 'book' => { 1933: '1' => [], 1934: '2' => [] 1935: }, 1936: 'album' => { 1937: '1' => [], 1938: '2' => [] 1939: }, 1940: }, 1941: 'a6' => { 1942: 'book' => { 1943: '1' => [], 1944: '2' => [] 1945: }, 1946: 'album' => { 1947: '1' => [], 1948: '2' => [] 1949: }, 1950: }, 1951: ); 1952: 1953: sub page_format { 1954: # 1955: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 1956: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]", 1957: # "A2 [420x594 mm]", "A3 [297x420 mm]", 1958: # "A4 [210x297 mm]", "A5 [148x210 mm]", 1959: # "A6 [105x148 mm]" 1960: # 1961: my ($papersize,$layout,$numberofcolumns) = @_; 1962: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}}; 1963: } 1964: 1965: 1966: sub get_name { 1967: my ($uname,$udom)=@_; 1968: if (!defined($uname)) { $uname=$env{'user.name'}; } 1969: if (!defined($udom)) { $udom=$env{'user.domain'}; } 1970: my $plainname=&Apache::loncommon::plainname($uname,$udom); 1971: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; } 1972: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header'); 1973: return $plainname; 1974: } 1975: 1976: sub get_course { 1977: my $courseidinfo; 1978: if (defined($env{'request.course.id'})) { 1979: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header'); 1980: my $sec = $env{'request.course.sec'}; 1981: 1982: } 1983: return $courseidinfo; 1984: } 1985: 1986: sub page_format_transformation { 1987: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 1988: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin); 1989: 1990: if ($selectionmade eq '4') { 1991: if ($choice eq 'all_problems') { 1992: $assignment=&mt('Problems from the Whole Course'); 1993: } else { 1994: $assignment=&mt('Resources from the Whole Course'); 1995: } 1996: } else { 1997: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header'); 1998: } 1999: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin); 2000: 2001: 2002: my $name = &get_name(); 2003: my $courseidinfo = &get_course(); 2004: my $header_text = $parmhash{'print_header_format'}; 2005: $header_text = &format_page_header($textwidth, $header_text, $assignment, 2006: $courseidinfo, $name); 2007: my $topmargintoinsert = ''; 2008: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';} 2009: my $fancypagestatement=''; 2010: if ($numberofcolumns eq '2') { 2011: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}"; 2012: } else { 2013: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}"; 2014: } 2015: if ($layout eq 'album') { 2016: $text =~ s/\\begin\{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /; 2017: } elsif ($layout eq 'book') { 2018: if ($choice ne 'All class print') { 2019: $text =~ s/\\begin\{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/; 2020: } else { 2021: $text =~ s/\\pagestyle\{fancy}\\rhead\{}\\chead\{}\s*\\begin\{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /; 2022: } 2023: if ($papersize eq 'a4') { 2024: my $papersize_text; 2025: if ($perm{'pav'}) { 2026: $papersize_text = '\\special{papersize=210mm,297mm}'; 2027: } else { 2028: $papersize_text = '\special{papersize=210mm,297mm}'; 2029: } 2030: $text =~ s/(\\begin\{document})/$1$papersize_text/; 2031: } 2032: } 2033: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;} 2034: if ($indexlist eq 'yes') { 2035: $text=~s/(\\begin\{document})/\\makeindex $1/; 2036: $text=~s/(\\end\{document})/\\strut\\\\\\strut\\printindex $1/; 2037: } 2038: return $text; 2039: } 2040: 2041: 2042: sub page_cleanup { 2043: my $result = shift; 2044: 2045: $result =~ m/\\end\{document}(\d*)$/; 2046: my $number_of_columns = $1; 2047: my $insert = '{'; 2048: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; } 2049: $insert .= '}'; 2050: $result =~ s/(\\begin\{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g; 2051: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g; 2052: return $result,$number_of_columns; 2053: } 2054: 2055: 2056: sub details_for_menu { 2057: my ($helper)=@_; 2058: my $postdata=$env{'form.postdata'}; 2059: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; } 2060: my $name_of_resource = &Apache::lonnet::gettitle($postdata); 2061: my $symbolic = &Apache::lonnet::symbread($postdata); 2062: return if ( $symbolic eq ''); 2063: 2064: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic); 2065: $map=&Apache::lonnet::clutter($map); 2066: my $name_of_sequence = &Apache::lonnet::gettitle($map); 2067: if ($name_of_sequence =~ /^\s*$/) { 2068: $map =~ m|([^/]+)$|; 2069: $name_of_sequence = $1; 2070: } 2071: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'}); 2072: if ($name_of_map =~ /^\s*$/) { 2073: $env{'request.course.uri'} =~ m|([^/]+)$|; 2074: $name_of_map = $1; 2075: } 2076: return ($name_of_resource,$name_of_sequence,$name_of_map); 2077: } 2078: 2079: sub copyright_line { 2080: return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } '; 2081: } 2082: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n"; 2083: 2084: sub latex_corrections { 2085: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_; 2086: # $result =~ s/\\includegraphics\{/\\includegraphics\[width=\\minipagewidth\]{/g; 2087: my $copyright = &copyright_line(); 2088: if ($selectionmade eq '1' || $answer_mode eq 'only') { 2089: $result =~ s/(\\end\{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/; 2090: } else { 2091: $result =~ s/(\\end\{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/; 2092: } 2093: $result =~ s/\$number_of_columns/$number_of_columns/g; 2094: $result =~ s/(\\end\{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]\{\\hrulefill})/$2$1/g; 2095: $result =~ s/(\\end\{longtable}\s*)\\strut\\newline/$1/g; 2096: #-- LaTeX corrections 2097: my $first_comment = index($result,'',$first_comment); 2100: substr($result,$first_comment,$end_comment-$first_comment+3) = ''; 2101: $first_comment = index($result,'<!--',$first_comment); 2102: } 2103: $result =~ s/^\s+$//gm; #remove empty lines 2104: #removes more than one empty space 2105: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge; 2106: $result =~ s/\\\\\s*\\vskip/\\vskip/gm; 2107: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g; 2108: $result =~ s/{\\par }\s*\\\\/\\\\/gm; 2109: $result =~ s/\\\\\s+\[/ \[/g; 2110: #conversion of html characters to LaTeX equivalents 2111: if ($result =~ m/&(\w+|#\d+);/) { 2112: $result = &character_chart($result); 2113: } 2114: $result =~ s/(\\end\{tabular})\s*\\vskip 0 mm/$1/g; 2115: $result =~ s/(\\begin\{enumerate})\s*\\noindent/$1/g; 2116: return $result; 2117: } 2118: 2119: 2120: sub index_table { 2121: my $currentURL = shift; 2122: my $insex_string=''; 2123: $currentURL=~s/\.([^\/+])$/\.$1\.meta/; 2124: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords'); 2125: return $insex_string; 2126: } 2127: 2128: 2129: sub IndexCreation { 2130: my ($texversion,$currentURL)=@_; 2131: my @key_words=split(/,/,&index_table($currentURL)); 2132: my $chunk=''; 2133: my $st=index $texversion,'\addcontentsline{toc}{subsection}{'; 2134: if ($st>0) { 2135: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);} 2136: $chunk=substr($texversion,0,$st+1); 2137: substr($texversion,0,$st+1)=' '; 2138: } 2139: foreach my $key_word (@key_words) { 2140: if ($key_word=~/\S+/) { 2141: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i; 2142: } 2143: } 2144: if ($st>0) {substr($texversion,0,1)=$chunk;} 2145: return $texversion; 2146: } 2147: 2148: sub print_latex_header { 2149: my $mode=shift; 2150: 2151: return &Apache::londefdef::latex_header($mode); 2152: } 2153: 2154: sub path_to_problem { 2155: my ($urlp,$colwidth)=@_; 2156: $urlp=&Apache::lonnet::clutter($urlp); 2157: 2158: my $newurlp = ''; 2159: $colwidth=~s/\s*mm\s*$//; 2160: #characters average about 2 mm in width 2161: if (length($urlp)*2 > $colwidth) { 2162: my @elements = split('/',$urlp); 2163: my $curlength=0; 2164: foreach my $element (@elements) { 2165: if ($element eq '') { next; } 2166: if ($curlength+(length($element)*2) > $colwidth) { 2167: $newurlp .= '|\vskip -1 mm \verb|'; 2168: $curlength=length($element)*2; 2169: } else { 2170: $curlength+=length($element)*2; 2171: } 2172: $newurlp.='/'.$element; 2173: } 2174: } else { 2175: $newurlp=$urlp; 2176: } 2177: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}'; 2178: } 2179: 2180: sub recalcto_mm { 2181: my $textwidth=shift; 2182: my $LaTeXwidth; 2183: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) { 2184: $LaTeXwidth = $1*10; 2185: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) { 2186: $LaTeXwidth = $1; 2187: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) { 2188: $LaTeXwidth = $1*25.4; 2189: } 2190: $LaTeXwidth.=' mm'; 2191: return $LaTeXwidth; 2192: } 2193: 2194: sub get_textwidth { 2195: my ($helper,$LaTeXwidth)=@_; 2196: my $textwidth=$LaTeXwidth; 2197: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ && 2198: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) { 2199: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '. 2200: $helper->{'VARS'}->{'pagesize.widthunit'}); 2201: } 2202: return $textwidth; 2203: } 2204: 2205: 2206: sub unsupported { 2207: my ($currentURL,$mode,$symb)=@_; 2208: my $cleanURL=&Apache::lonenc::check_decrypt($currentURL); 2209: my $shown = $currentURL; 2210: if (($cleanURL ne $currentURL) || ($symb =~ m{/^enc/})) { 2211: $shown = &mt('URL not shown (encrypted)'); 2212: } 2213: if ($mode ne '') {$mode='\\'.$mode} 2214: my $result = &print_latex_header($mode); 2215: if ($cleanURL=~m|^(/adm/wrapper)?/ext/|) { 2216: $cleanURL=~s|^(/adm/wrapper)?/ext/|http://|; 2217: $cleanURL=~s|^http://https://|https://|; 2218: if ($shown eq $currentURL) { 2219: $shown = &Apache::lonxml::latex_special_symbols($cleanURL); 2220: } 2221: my $title=&Apache::lonnet::gettitle($symb); 2222: $title = &Apache::lonxml::latex_special_symbols($title); 2223: $result.=' \strut \\\\ \textit{'.$title.'} \strut \\\\ '.$shown.' '; 2224: } else { 2225: if ($shown eq $currentURL) { 2226: $result.=&Apache::lonxml::latex_special_symbols($currentURL); 2227: } else { 2228: $result.=$shown; 2229: } 2230: } 2231: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}'; 2232: return $result; 2233: } 2234: 2235: # 2236: # Map from helper layout style to the book/album: 2237: # 2238: sub map_laystyle { 2239: my ($laystyle) = @_; 2240: if ($laystyle eq 'L') { 2241: $laystyle='album'; 2242: } else { 2243: $laystyle='book'; 2244: } 2245: return $laystyle; 2246: } 2247: 2248: sub print_page_in_course { 2249: my ($helper, $rparmhash, $currentURL, $resources) = @_; 2250: 2251: my %parmhash = %$rparmhash; 2252: my @page_resources = @$resources; 2253: my $mode = $helper->{'VARS'}->{'LATEX_TYPE'}; 2254: my $symb = $helper->{'VARS'}->{'symb'}; 2255: 2256: 2257: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 2258: 2259: 2260: my @temporary_array=split /\|/,$format_from_helper; 2261: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array; 2262: $laystyle = &map_laystyle($laystyle); 2263: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle, 2264: $numberofcolumns); 2265: my $LaTeXwidth=&recalcto_mm($textwidth); 2266: 2267: if ($mode ne '') {$mode='\\'.$mode} 2268: my $result = &print_latex_header($mode); 2269: 2270: my $title=&Apache::lonnet::gettitle($currentURL); 2271: $title = &Apache::lonxml::latex_special_symbols($title); 2272: $result .= '\noindent\textit{'.$title.'}\\\\'; 2273: 2274: if ($helper->{'VARS'}->{'style_file'}=~/\w/) { 2275: &Apache::lonnet::appenv({'construct.style' => 2276: $helper->{'VARS'}->{'style_file'}}); 2277: } elsif ($env{'construct.style'}) { 2278: &Apache::lonnet::delenv('construct.style'); 2279: } 2280: 2281: # First is the overall page description. This is then followed by the 2282: # components of the page. Each of which must be printed independently. 2283: my $the_page = shift(@page_resources); 2284: 2285: 2286: foreach my $resource (@page_resources) { 2287: my $resource_src = $resource->src(); # Essentially the URL of the resource. 2288: my $current_url = $resource->link(); 2289: 2290: # Recurse if a .page: 2291: 2292: if ($resource_src =~ /.page$/i) { 2293: my $navmap = Apache::lonnavmaps::navmap->new(); 2294: my @page_resources = $navmap->retrieveResources($resource_src); 2295: $result .= &print_page_in_course($helper, $rparmhash, 2296: $resource_src, \@page_resources); 2297: } elsif ($resource->ext()) { 2298: $result.=&latex_header_footer_remove(&unsupported($current_url,$mode,$resource->symb)); 2299: } elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) { 2300: # these resources go through the XML transformer: 2301: $result .= &Apache::lonxml::latex_special_symbols($resource->title()) . '\\\\'; 2302: 2303: my $urlp = &Apache::lonnet::clutter($resource_src); 2304: 2305: my %form; 2306: my %moreenv; 2307: 2308: &Apache::lonxml::remember_problem_counter(); 2309: $moreenv{'request.filename'}=$urlp; 2310: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';} 2311: 2312: $form{'grade_target'} = 'tex'; 2313: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth); 2314: $form{'pdfFormFields'} = $pdfFormFields; # 2315: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'}; 2316: 2317: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 2318: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 2319: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 2320: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 2321: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 2322: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') || 2323: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) { 2324: $form{'problem_split'}='yes'; 2325: } 2326: my $rndseed = time; 2327: if ($helper->{'VARS'}->{'curseed'}) { 2328: $rndseed=$helper->{'VARS'}->{'curseed'}; 2329: } 2330: $form{'rndseed'}=$rndseed; 2331: &Apache::lonnet::appenv(\%moreenv); 2332: 2333: &Apache::lonxml::clear_problem_counter(); 2334: 2335: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form); 2336: 2337: 2338: # current document with answers.. no need to encap in minipage 2339: # since there's only one answer. 2340: 2341: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 2342: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 2343: my %answerform = %form; 2344: 2345: 2346: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'}; 2347: $answerform{'grade_target'}='answer'; 2348: $answerform{'answer_output_mode'}='tex'; 2349: $answerform{'rndseed'}=$rndseed; 2350: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') { 2351: $answerform{'problemtype'}='exam'; 2352: } 2353: $resources_printed .= $urlp.':'; 2354: my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform); 2355: 2356: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 2357: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/; 2358: } else { 2359: $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 2360: if ($helper->{'VARS'}->{'construction'} ne '1') { 2361: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}); 2362: $title = &Apache::lonxml::latex_special_symbols($title); 2363: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 2364: $texversion.=&path_to_problem($urlp,$LaTeXwidth); 2365: } else { 2366: $texversion.='\vskip 0 mm \noindent\textbf{'. 2367: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm '; 2368: $texversion.=&path_to_problem($urlp,$LaTeXwidth); 2369: } 2370: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 2371: } 2372: 2373: 2374: 2375: 2376: 2377: } 2378: # Print annotations. 2379: 2380: 2381: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 2382: my $annotation .= &annotate($currentURL); 2383: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/; 2384: } 2385: 2386: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 2387: $texversion=&IndexCreation($texversion,$currentURL); 2388: } 2389: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 2390: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /; 2391: 2392: } 2393: $texversion = &latex_header_footer_remove($texversion); 2394: 2395: # the first remaining line is a comment from londefdef the second 2396: # line seems to be an extraneous \vskip 1mm \\\\ : 2397: # (imperfect removal from header_footer_remove? 2398: 2399: $texversion =~ s/\\vskip 1mm \\\\\\\\//; 2400: 2401: $result .= $texversion; 2402: if ($currentURL=~m/\.page\s*$/) { 2403: ($result,$numberofcolumns) = &page_cleanup($result); 2404: } 2405: } 2406: } 2407: 2408: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}'; 2409: return $result; 2410: } 2411: 2412: 2413: # 2414: # List of recently generated print files 2415: # 2416: sub recently_generated { 2417: my ($prtspool) = @_; 2418: my $output; 2419: my $zip_result; 2420: my $pdf_result; 2421: opendir(DIR,$prtspool); 2422: 2423: my @files = 2424: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR)); 2425: closedir(DIR); 2426: 2427: @files = sort { 2428: my ($actime) = (stat($prtspool.'/'.$a))[10]; 2429: my ($bctime) = (stat($prtspool.'/'.$b))[10]; 2430: return $bctime <=> $actime; 2431: } (@files); 2432: 2433: foreach my $filename (@files) { 2434: my ($ext) = ($filename =~ m/(pdf|zip)$/); 2435: my ($cdev,$cino,$cmode,$cnlink, 2436: $cuid,$cgid,$crdev,$csize, 2437: $catime,$cmtime,$cctime, 2438: $cblksize,$cblocks)=stat($prtspool.'/'.$filename); 2439: my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File'); 2440: my $result=&Apache::loncommon::start_data_table_row() 2441: .'<td>' 2442: .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>' 2443: .'</td>' 2444: .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>' 2445: .'<td align="right">'.$csize.'</td>' 2446: .&Apache::loncommon::end_data_table_row(); 2447: if ($ext eq 'pdf') { $pdf_result .= $result; } 2448: if ($ext eq 'zip') { $zip_result .= $result; } 2449: } 2450: if ($zip_result || $pdf_result) { 2451: $output ='<hr />'; 2452: } 2453: if ($zip_result) { 2454: $output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n" 2455: .&Apache::loncommon::start_data_table() 2456: .&Apache::loncommon::start_data_table_header_row() 2457: .'<th>'.&mt('Download').'</th>' 2458: .'<th>'.&mt('Creation Date').'</th>' 2459: .'<th>'.&mt('File Size (Bytes)').'</th>' 2460: .&Apache::loncommon::end_data_table_header_row() 2461: .$zip_result 2462: .&Apache::loncommon::end_data_table(); 2463: } 2464: if ($pdf_result) { 2465: $output .='<h3>'.&mt('Recently generated printouts')."</h3>\n" 2466: .&Apache::loncommon::start_data_table() 2467: .&Apache::loncommon::start_data_table_header_row() 2468: .'<th>'.&mt('Download').'</th>' 2469: .'<th>'.&mt('Creation Date').'</th>' 2470: .'<th>'.&mt('File Size (Bytes)').'</th>' 2471: .&Apache::loncommon::end_data_table_header_row() 2472: .$pdf_result 2473: .&Apache::loncommon::end_data_table(); 2474: } 2475: return $output; 2476: } 2477: 2478: # 2479: # Retrieve the hash of page breaks. 2480: # 2481: # Inputs: 2482: # helper - reference to helper object. 2483: # Outputs 2484: # A reference to a page break hash. 2485: # 2486: # 2487: # use Data::Dumper; 2488: # sub dump_helper_vars { 2489: # my ($helper) = @_; 2490: # my $helpervars = Dumper($helper->{'VARS'}); 2491: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars"); 2492: #} 2493: 2494: sub get_page_breaks { 2495: my ($helper) = @_; 2496: my %page_breaks; 2497: 2498: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) { 2499: $page_breaks{$break} = 1; 2500: } 2501: return %page_breaks; 2502: } 2503: # 2504: # Returns text to insert for any extra vskip prior to the resource. 2505: # Parameters: 2506: # helper - Reference to the helper object driving the printout. 2507: # resource - Identifies the resource about to be printed. 2508: # 2509: # This is done as follows: 2510: # POSSIBLE_RESOURCES has the list of possible resources. 2511: # EXTRASPACE has the list of extra space values. 2512: # EXTRASPACE_UNITS is the set of resources for which the units are 2513: # mm. All others are 'in'. 2514: # 2515: # The resource is found in the POSSIBLE_RESOURCES to get the index 2516: # of the EXTRASPACE value. 2517: # 2518: # In order to speed this up for lengthy printouts, the first time, 2519: # POSSIBLE_RESOURCES is turned into a look up hash and 2520: # EXTRASPACE is turned into an array. 2521: # 2522: 2523: 2524: my %possible_resources; 2525: my %extraspace_mm; 2526: my @extraspace; 2527: my $skips_loaded = 0; 2528: 2529: # Function to load the skips hash and array 2530: 2531: sub load_skips { 2532: 2533: my ($helper) = @_; 2534: 2535: # If this is the first time, unrap the resources and extra spaces: 2536: 2537: if (!$skips_loaded) { 2538: @extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'})); 2539: my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'})); 2540: my $i = 0; 2541: foreach my $resource (@resource_list) { 2542: $possible_resources{$resource} = $i; 2543: $i++; 2544: } 2545: foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) { 2546: $extraspace_mm{$mm_resource} = 1; 2547: } 2548: $skips_loaded = 1; 2549: } 2550: } 2551: 2552: sub get_extra_vspaces { 2553: my ($helper, $resource) = @_; 2554: 2555: &load_skips($helper); 2556: 2557: # Lookup the resource in the possible resources hash.. that is the index 2558: # into the extraspace array that gives us either an empty string or 2559: # the number of mm to skip: 2560: 2561: my $index = $possible_resources{$resource}; 2562: my $skip = $extraspace[$index]; 2563: 2564: my $result = ''; 2565: if ($skip ne '') { 2566: my $units = 'in'; 2567: if (defined($extraspace_mm{$resource})) { 2568: $units = 'mm'; 2569: } 2570: $result = '\vskip '.$skip.' '.$units; 2571: } 2572: 2573: 2574: return $result; 2575: 2576: 2577: } 2578: 2579: # 2580: # The resource chooser part of the helper needs more than just 2581: # the value of the extraspaces var to recover the value into a text 2582: # field option. This sub produces the required format for the saved var: 2583: # specifically 2584: # ||| separated fields of the form resourcename=value 2585: # 2586: # Parameters: 2587: # $helper - Refers to the helper we are configuring 2588: # Implicit input: 2589: # $helper->{'VARS'}->{'EXTRASPACE'} - the spaces helper var has the text field 2590: # value. 2591: # $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes). 2592: # $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} - has the list of resources. ||| 2593: # separated of course. 2594: # Implicit outputs: 2595: # $env{'form.extraspace'} 2596: # $env{'form.extraspace_units'} 2597: # 2598: sub set_form_extraspace { 2599: my ($helper) = @_; 2600: 2601: # the most convenient way to do this is to drive from the skips arrays/hash. 2602: # may not be the fastest, but this is once per print request so it's not so 2603: # speed critical: 2604: 2605: &load_skips($helper); 2606: 2607: my $result = ''; 2608: 2609: foreach my $resource (keys(%possible_resources)) { 2610: my $vskip = $extraspace[$possible_resources{$resource}]; 2611: $result .= $resource .'=' . $vskip . '|||'; 2612: } 2613: 2614: $env{'form.extraspace'} = $result; 2615: $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'}; 2616: return $result; 2617: 2618: } 2619: 2620: # Output a sequence (recursively if neeed) 2621: # from construction space. 2622: # Parameters: 2623: # url = URL of the sequence to print. 2624: # helper - Reference to the helper hash. 2625: # form - Copy of the format hash. 2626: # LaTeXWidth 2627: # Returns: 2628: # Text to add to the printout. 2629: # NOTE if the first element of the outermost sequence 2630: # is itself a sequence, the outermost caller may need to 2631: # prefix the latex with the page headers stuff. 2632: # 2633: sub print_construction_sequence { 2634: my ($currentURL, $helper, %form, $LaTeXwidth) = @_; 2635: 2636: my $result; 2637: my $rndseed=time; 2638: if ($helper->{'VARS'}->{'curseed'}) { 2639: $rndseed=$helper->{'VARS'}->{'curseed'}; 2640: } 2641: my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL)); 2642: 2643: # 2644: # These make this all support recursing for subsequences. 2645: # 2646: my @order = @LONCAPA::map::order; 2647: my @resources = @LONCAPA::map::resources; 2648: 2649: for (my $member=0;$member<=$#order;$member++) { 2650: $resources[$order[$member]]=~/^([^:]*):([^:]*):/; 2651: my $urlp=$2; 2652: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) { 2653: my $texversion=''; 2654: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') { 2655: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 2656: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 2657: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 2658: $form{'rndseed'}=$rndseed; 2659: $resources_printed .=$urlp.':'; 2660: $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form); 2661: } 2662: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 2663: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 2664: ($urlp=~/$LONCAPA::assess_page_re/)) { 2665: # Don't permanently modify %$form... 2666: my %answerform = %form; 2667: $answerform{'grade_target'}='answer'; 2668: $answerform{'answer_output_mode'}='tex'; 2669: $answerform{'rndseed'}=$rndseed; 2670: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'}; 2671: if ($urlp=~/\/res\//) {$env{'request.state'}='published';} 2672: $resources_printed .= $urlp.':'; 2673: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform); 2674: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 2675: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/; 2676: } else { 2677: # If necessary, encapsulate answer in minipage: 2678: 2679: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 2680: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}); 2681: $title = &Apache::lonxml::latex_special_symbols($title); 2682: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 2683: $body.=&path_to_problem($urlp,$LaTeXwidth); 2684: $body.='\vskip 1 mm '.$answer.'\end{document}'; 2685: $body = &encapsulate_minipage($body,$answerform{'problem_split'}); 2686: $texversion.=$body; 2687: } 2688: } 2689: $texversion = &latex_header_footer_remove($texversion); 2690: 2691: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 2692: $texversion=&IndexCreation($texversion,$urlp); 2693: } 2694: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 2695: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 2696: } 2697: $result.=$texversion; 2698: 2699: } elsif ($urlp=~/\.(sequence|page)$/) { 2700: 2701: # header: 2702: 2703: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent '; 2704: 2705: # IF sequence, recurse: 2706: 2707: if ($urlp =~ /\.sequence$/) { 2708: $result .= &print_construction_sequence($urlp, 2709: $helper, %form, 2710: $LaTeXwidth); 2711: } 2712: } 2713: elsif ($urlp =~ /\.pdf$/i) { 2714: my $texversion; 2715: if ($member != 0) { 2716: $texversion .= '\cleardoublepage'; 2717: } 2718: 2719: $texversion .= &include_pdf($urlp); 2720: $texversion = &latex_header_footer_remove($texversion); 2721: if ($member != $#order) { 2722: $texversion .= '\\ \cleardoublepage'; 2723: } 2724: 2725: $result .= $texversion; 2726: } 2727: } 2728: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin\{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;} 2729: return $result; 2730: } 2731: 2732: # 2733: # Top level for generating print output. 2734: # 2735: # May call print_resources if multiple resources will be printed. 2736: # 2737: # The main driver is $selectionmade which reflects the type of print out 2738: # requested: 2739: # Value Print type: 2740: # 1 Print resource that's being looked at. 2741: # 2 Print problems in a map or in a page. 2742: # 3 Print pages in a map or resources in a page. 2743: # 4 Print all problems or all resources. 2744: # 5 Print problems for seleted students. 2745: # 6 Print selected problems from a folder. 2746: # 7 Print print selected resources from some scope. 2747: # 8 Print resources for selected students. 2748: # 2749: #BZ 5209 2750: # 2 map_incomplete_problems_seq Print incomplete problems from the current 2751: # folder in student context. 2752: # 5 map_incomplete_problems_people_seq Print incomplete problems from the 2753: # current folder in privileged context. 2754: # 5 incomplete_problems_selpeople_course Print incomplete problems for 2755: # selected people from the entire course. 2756: # 2757: # Item 101 has much the same processing as 8, 2758: # 2759: # Differences: Item 101, 102 require per-student filtering of the resource 2760: # set so that only the incomplete resources are printed. 2761: # For item 100, filtering was done at the helper level. 2762: 2763: sub output_data { 2764: 2765: my ($r,$helper,$rparmhash) = @_; 2766: my %parmhash = %$rparmhash; 2767: $ssi_error = 0; # This will be set nonzero by failing ssi's. 2768: $resources_printed = ''; 2769: $font_size = $helper->{'VARS'}->{'fontsize'}; 2770: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification. 2771: my $do_postprocessing = 1; 2772: my $js = <<ENDPART; 2773: <script type="text/javascript"> 2774: var editbrowser; 2775: function openbrowser(formname,elementname,only,omit) { 2776: var url = '/res/?'; 2777: if (editbrowser == null) { 2778: url += 'launch=1&'; 2779: } 2780: url += 'catalogmode=interactive&'; 2781: url += 'mode=parmset&'; 2782: url += 'form=' + formname + '&'; 2783: if (only != null) { 2784: url += 'only=' + only + '&'; 2785: } 2786: if (omit != null) { 2787: url += 'omit=' + omit + '&'; 2788: } 2789: url += 'element=' + elementname + ''; 2790: var title = 'Browser'; 2791: var options = 'scrollbars=1,resizable=1,menubar=0'; 2792: options += ',width=700,height=600'; 2793: editbrowser = open(url,title,options,'1'); 2794: editbrowser.focus(); 2795: } 2796: </script> 2797: ENDPART 2798: 2799: 2800: # Breadcrumbs 2801: #FIXME: Choose better/different breadcrumbs?!? Links? 2802: my $brcrum = [{'href' => '', 2803: 'text' => 'Helper'}, #FIXME: Different origin possible than print out helper? 2804: {'href' => '', 2805: 'text' => 'Preparing Printout'}]; 2806: 2807: my $start_page = &Apache::loncommon::start_page('Preparing Printout', 2808: $js, 2809: {'bread_crumbs' => $brcrum,}); 2810: my $msg = &mt('Please stand by while processing your print request, this may take some time ...'); 2811: 2812: $r->print($start_page."\n<p>\n$msg\n</p>\n"); 2813: 2814: # fetch the pagebreaks and store them in the course environment 2815: # The page breaks will be pulled into the hash %page_breaks which is 2816: # indexed by symb and contains 1's for each break. 2817: 2818: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'}; 2819: &set_form_extraspace($helper); 2820: $env{'form.lastprinttype'} = $print_type; 2821: &Apache::loncommon::store_course_settings('print', 2822: {'pagebreaks' => 'scalar', 2823: 'extraspace' => 'scalar', 2824: 'extraspace_units' => 'scalar', 2825: 'lastprinttype' => 'scalar'}); 2826: my %page_breaks = &get_page_breaks($helper); 2827: 2828: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 2829: my ($result,$selectionmade) = ('',''); 2830: my $number_of_columns = 1; #used only for pages to determine the width of the cell 2831: my @temporary_array=split /\|/,$format_from_helper; 2832: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array; 2833: 2834: $laystyle = &map_laystyle($laystyle); 2835: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns); 2836: my $assignment = $env{'form.assignment'}; 2837: my $LaTeXwidth=&recalcto_mm($textwidth); 2838: my @print_array=(); 2839: my @student_names=(); 2840: 2841: 2842: # Common settings for the %form has: 2843: # In some cases these settings get overriddent by specific cases, but the 2844: # settings are common enough to make it worthwhile factoring them out 2845: # here. 2846: # 2847: my %form; 2848: $form{'grade_target'} = 'tex'; 2849: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth); 2850: $form{'pdfFormFields'} = $pdfFormFields; 2851: 2852: # If form.showallfoils is set, then request all foils be shown: 2853: # privilege will be enforced both by not allowing the 2854: # check box selecting this option to be presnt unless it's ok, 2855: # and by lonresponse's priv. check. 2856: # The if is here because lonresponse.pm only cares that 2857: # showallfoils is defined, not what the value is. 2858: 2859: if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 2860: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'}; 2861: } 2862: 2863: if ($helper->{'VARS'}->{'style_file'}=~/\w/) { 2864: &Apache::lonnet::appenv({'construct.style' => 2865: $helper->{'VARS'}->{'style_file'}}); 2866: } elsif ($env{'construct.style'}) { 2867: &Apache::lonnet::delenv('construct.style'); 2868: } 2869: 2870: if ($print_type eq 'current_document') { 2871: #-- single document - problem, page, html, xml, ... 2872: my ($currentURL,$cleanURL); 2873: 2874: if ($helper->{'VARS'}->{'construction'} ne '1') { 2875: #prints published resource 2876: $currentURL=$helper->{'VARS'}->{'postdata'}; 2877: $cleanURL=&Apache::lonenc::check_decrypt($currentURL); 2878: } else { 2879: 2880: #prints resource from the construction space 2881: $currentURL=$helper->{'VARS'}->{'filename'}; 2882: $cleanURL=$currentURL; 2883: } 2884: $selectionmade = 1; 2885: 2886: if ($cleanURL!~m|^/adm/| 2887: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) { 2888: my $rndseed=time; 2889: my $texversion=''; 2890: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') { 2891: my %moreenv; 2892: $moreenv{'request.filename'}=$cleanURL; 2893: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';} 2894: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 2895: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 2896: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 2897: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 2898: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 2899: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') || 2900: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) { 2901: $form{'problem_split'}='yes'; 2902: } 2903: if ($helper->{'VARS'}->{'curseed'}) { 2904: $rndseed=$helper->{'VARS'}->{'curseed'}; 2905: } 2906: $form{'rndseed'}=$rndseed; 2907: &Apache::lonnet::appenv(\%moreenv); 2908: 2909: &Apache::lonxml::clear_problem_counter(); 2910: 2911: $resources_printed .= $currentURL.':'; 2912: $texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form); 2913: 2914: # Add annotations if required: 2915: 2916: &Apache::lonxml::clear_problem_counter(); 2917: 2918: &Apache::lonnet::delenv('request.filename'); 2919: } 2920: # current document with answers.. no need to encap in minipage 2921: # since there's only one answer. 2922: 2923: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 2924: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 2925: 2926: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 2927: $form{'grade_target'}='answer'; 2928: $form{'answer_output_mode'}='tex'; 2929: $form{'rndseed'}=$rndseed; 2930: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') { 2931: $form{'problemtype'}='exam'; 2932: } 2933: $resources_printed .= $currentURL.':'; 2934: my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form); 2935: 2936: 2937: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 2938: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/; 2939: } else { 2940: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 2941: if ($helper->{'VARS'}->{'construction'} ne '1') { 2942: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}); 2943: $title = &Apache::lonxml::latex_special_symbols($title); 2944: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 2945: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth); 2946: } else { 2947: $texversion.='\vskip 0 mm \noindent\textbf{'. 2948: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm '; 2949: 2950: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth); 2951: } 2952: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 2953: } 2954: 2955: 2956: 2957: 2958: 2959: } 2960: # Print annotations. 2961: 2962: 2963: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 2964: my $annotation .= &annotate($currentURL); 2965: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/; 2966: } 2967: 2968: 2969: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 2970: $texversion=&IndexCreation($texversion,$currentURL); 2971: } 2972: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 2973: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /; 2974: 2975: } 2976: $result .= $texversion; 2977: if ($currentURL=~m/\.page\s*$/) { 2978: ($result,$number_of_columns) = &page_cleanup($result); 2979: } 2980: } elsif ($cleanURL!~m|^/adm/| 2981: && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') { 2982: $result .= &print_construction_sequence($currentURL, $helper, %form, 2983: $LaTeXwidth); 2984: $result .= '\end{document}'; 2985: if (!($result =~ /\\begin\{document\}/)) { 2986: $result = &print_latex_header() . $result; 2987: } 2988: # End construction space sequence. 2989: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) { 2990: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 2991: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;} 2992: if ($currentURL=~/\/ext\.tool$/) {$currentURL=~s/^\/adm\/wrapper//;} 2993: $resources_printed .= $currentURL.':'; 2994: my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form); 2995: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 2996: my $annotation = &annotate($currentURL); 2997: $texversion =~ s/(\\end\{document})/$annotation$1/; 2998: } 2999: $result .= $texversion; 3000: } elsif ($cleanURL =~/\.tex$/) { 3001: # For this sort of print of a single LaTeX file, 3002: # We can just print the LaTeX file as it is uninterpreted in any way: 3003: # 3004: 3005: $result = &fetch_raw_resource($currentURL); 3006: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 3007: my $annotation = &annotate($currentURL); 3008: $result =~ s/(\\end\{document})/$annotation$1/; 3009: } 3010: 3011: $do_postprocessing = 0; # Don't massage the result. 3012: 3013: } elsif ($cleanURL =~ /\.pdf$/i) { 3014: $result .= &include_pdf($cleanURL); 3015: $result .= '\end{document}'; 3016: } elsif ($cleanURL =~ /\.page$/i) { # Print page in non construction space contexts. 3017: 3018: # Determine the set of resources in the map of the page: 3019: 3020: my $navmap = Apache::lonnavmaps::navmap->new(); 3021: my @page_resources = $navmap->retrieveResources($cleanURL); 3022: $result .= &print_page_in_course($helper, $rparmhash, 3023: $cleanURL, \@page_resources); 3024: 3025: 3026: } else { 3027: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'}, 3028: $helper->{'VARS'}->{'symb'}); 3029: } 3030: } elsif (($print_type eq 'map_problems') or 3031: ($print_type eq 'map_problems_in_page') or 3032: ($print_type eq 'map_resources_in_page') or 3033: ($print_type eq 'map_problems_pages') or 3034: ($print_type eq 'all_problems') or 3035: ($print_type eq 'all_resources') or # BUGBUG 3036: ($print_type eq 'select_sequences') or 3037: ($print_type eq 'map_incomplete_problems_seq') 3038: ) { 3039: 3040: #-- produce an output string 3041: if (($print_type eq 'map_problems') or 3042: ($print_type eq 'map_incomplete_problems_seq') or 3043: ($print_type eq 'map_problems_in_page') ) { 3044: $selectionmade = 2; 3045: } elsif (($print_type eq 'map_problems_pages') or 3046: ($print_type eq 'map_resources_in_page')) 3047: { 3048: $selectionmade = 3; 3049: } elsif (($print_type eq 'all_problems') 3050: ) { 3051: $selectionmade = 4; 3052: } elsif ($print_type eq 'all_resources') { #BUGBUG 3053: $selectionmade = 4; 3054: } elsif ($print_type eq 'select_sequences') { 3055: $selectionmade = 7; 3056: } 3057: 3058: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 3059: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 3060: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 3061: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 3062: $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 3063: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') || 3064: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) { 3065: $form{'problem_split'}='yes'; 3066: } 3067: my $flag_latex_header_remove = 'NO'; 3068: my $flag_page_in_sequence = 'NO'; 3069: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 3070: my $prevassignment=''; 3071: 3072: &Apache::lonxml::clear_problem_counter(); 3073: 3074: for (my $i=0;$i<=$#master_seq;$i++) { 3075: 3076: &Apache::lonenc::reset_enc(); 3077: 3078: # Note due to document structure, not allowed to put \newpage 3079: # prior to the first resource 3080: 3081: if (defined $page_breaks{$master_seq[$i]}) { 3082: if($i != 0) { 3083: $result.="\\newpage\n"; 3084: } 3085: } 3086: $result .= &get_extra_vspaces($helper, $master_seq[$i]); 3087: my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]); 3088: $urlp=&Apache::lonnet::clutter($urlp); 3089: $form{'symb'}=$master_seq[$i]; 3090: 3091: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem 3092: 3093: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;} 3094: if ($i==0) {$prevassignment=$assignment;} 3095: my $texversion=''; 3096: if ($urlp!~m|^/adm/| 3097: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 3098: my $extension = $1; 3099: $resources_printed .= $urlp.':'; 3100: &Apache::lonxml::remember_problem_counter(); 3101: if ($flag_latex_header_remove eq 'NO') { 3102: $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); # RF 3103: unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') || 3104: (($i==0) && 3105: (($urlp=~/\.page$/) || 3106: ($print_type eq 'map_problems_in_page') || 3107: (($print_type eq 'map_resources_in_page') && ($extension !~ /^x?html?$/))))) { 3108: $flag_latex_header_remove = 'YES'; 3109: } 3110: } 3111: $texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form); 3112: if ($urlp=~/\.page$/) { 3113: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion); 3114: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 3115: $texversion =~ s/\\end\{document}\d*/\\end{document}/; 3116: $flag_page_in_sequence = 'YES'; 3117: } 3118: 3119: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 3120: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 3121: # Don't permanently pervert the %form hash 3122: my %answerform = %form; 3123: $answerform{'grade_target'}='answer'; 3124: $answerform{'answer_output_mode'}='tex'; 3125: $resources_printed .= $urlp.':'; 3126: 3127: &Apache::lonxml::restore_problem_counter(); 3128: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform); 3129: if ($urlp =~ /\.page$/) { 3130: $answer =~ s/\\end\{document}(\d*)$//; 3131: } 3132: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 3133: if ($urlp =~ /\.page$/) { 3134: my @probs = split(/\\keephidden\{ENDOFPROBLEM}/,$texversion); 3135: my $lastprob = pop(@probs); 3136: $texversion = join('\keephidden{ENDOFPROBLEM}',@probs). 3137: $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob; 3138: } else { 3139: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/; 3140: } 3141: } else { 3142: if ($urlp=~/$LONCAPA::assess_page_re/) { 3143: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 3144: # $texversion =~ s/\\begin\{document}//; # FIXME 3145: my $title = &Apache::lonnet::gettitle($master_seq[$i]); 3146: $title = &Apache::lonxml::latex_special_symbols($title); 3147: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 3148: $body .= &path_to_problem ($urlp,$LaTeXwidth); 3149: $body .='\vskip 1 mm '.$answer; 3150: $body = &encapsulate_minipage($body,$answerform{'problem_split'}); 3151: $texversion .= $body; 3152: } else { 3153: $texversion=''; 3154: } 3155: } 3156: 3157: } 3158: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 3159: my $annotation .= &annotate($urlp); 3160: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/; 3161: } 3162: 3163: if ($flag_latex_header_remove ne 'NO') { 3164: $texversion = &latex_header_footer_remove($texversion); 3165: } else { 3166: $texversion =~ s/\\end\{document}//; 3167: } 3168: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 3169: $texversion=&IndexCreation($texversion,$urlp); 3170: } 3171: if (($selectionmade == 4) and ($assignment ne $prevassignment)) { 3172: my $name = &get_name(); 3173: my $courseidinfo = &get_course(); 3174: $prevassignment=$assignment; 3175: my $header_text = $parmhash{'print_header_format'}; 3176: $header_text = &format_page_header($textwidth, $header_text, 3177: $assignment, 3178: $courseidinfo, 3179: $name); 3180: if ($numberofcolumns eq '1') { 3181: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm '; 3182: } else { 3183: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm '; 3184: } 3185: } 3186: $result .= $texversion; 3187: $flag_latex_header_remove = 'YES'; 3188: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) { 3189: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 3190: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;} 3191: if ($urlp=~/\/ext\.tool$/) {$urlp=~s/^\/adm\/wrapper//;} 3192: $resources_printed .= $urlp.':'; 3193: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form); 3194: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 3195: my $annotation = &annotate($urlp); 3196: $texversion =~ s/(\\end\{document)/$annotation$1/; 3197: } 3198: 3199: if ($flag_latex_header_remove ne 'NO') { 3200: $texversion = &latex_header_footer_remove($texversion); 3201: } else { 3202: $texversion =~ s/\\end\{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/; 3203: } 3204: $result .= $texversion; 3205: $flag_latex_header_remove = 'YES'; 3206: } elsif ($urlp=~ /\.pdf$/i) { 3207: if ($i > 0) { 3208: $result .= '\cleardoublepage'; 3209: } 3210: my $texfrompdf = &include_pdf($urlp); 3211: if ($flag_latex_header_remove ne 'NO') { 3212: $texfrompdf = &latex_header_footer_remove($texfrompdf); 3213: } 3214: $result .= $texfrompdf; 3215: if ($i != $#master_seq) { 3216: if ($numberofcolumns eq '1') { 3217: $result .= '\newpage'; 3218: } else { 3219: # the \\'s seem to be needed to let LaTeX know there's something 3220: # on the page since LaTeX seems to not like to clear an empty page. 3221: # 3222: $result .= '\\ \cleardoublepage'; 3223: } 3224: } 3225: $flag_latex_header_remove = 'YES'; 3226: 3227: } else { 3228: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'}, 3229: $master_seq[$i]); 3230: if ($flag_latex_header_remove ne 'NO') { 3231: $texversion = &latex_header_footer_remove($texversion); 3232: } else { 3233: $texversion =~ s/\\end\{document}//; 3234: } 3235: $result .= $texversion; 3236: $flag_latex_header_remove = 'YES'; 3237: } 3238: if (&Apache::loncommon::connection_aborted($r)) { 3239: last; 3240: } 3241: } 3242: &Apache::lonxml::clear_problem_counter(); 3243: if ($flag_page_in_sequence eq 'YES') { 3244: $result =~ s/\\usepackage\{calc}/\\usepackage{calc}\\usepackage{longtable}/; 3245: } 3246: $result .= '\end{document}'; 3247: } elsif (($print_type eq 'problems_for_students') || 3248: ($print_type eq 'problems_for_students_from_page') || 3249: ($print_type eq 'all_problems_students') || 3250: ($print_type eq 'resources_for_students') || 3251: ($print_type eq 'incomplete_problems_selpeople_course') || 3252: ($print_type eq 'map_incomplete_problems_people_seq') || 3253: ($print_type eq 'select_sequences_problems_for_students') || 3254: ($print_type eq 'select_sequences_resources_for_students')) { 3255: 3256: 3257: #-- prints assignments for whole class or for selected students 3258: my $type; 3259: if (($print_type eq 'problems_for_students') || 3260: ($print_type eq 'problems_for_students_from_page') || 3261: ($print_type eq 'all_problems_students') || 3262: ($print_type eq 'incomplete_problems_selpeople_course') || 3263: ($print_type eq 'map_incomplete_problems_people_seq') || 3264: ($print_type eq 'select_sequences_problems_for_students')) { 3265: $selectionmade=5; 3266: $type='problems'; 3267: } elsif (($print_type eq 'resources_for_students') || 3268: ($print_type eq 'select_sequences_resources_for_students')) { 3269: $selectionmade=8; 3270: $type='resources'; 3271: } 3272: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'}; 3273: # The normal sort order is by section then by students within the 3274: # section. If the helper var student_sort is 1, then the user has elected 3275: # to override this and output the students by name. 3276: # Each element of the students array is of the form: 3277: # username:domain:section:last, first:status 3278: # 3279: # Note that student sort is not compatible with printing 3280: # 1 section per pdf...so that setting overrides. 3281: # 3282: if (($helper->{'VARS'}->{'student_sort'} eq 1) && 3283: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) { 3284: @students = sort compare_names @students; 3285: } else { 3286: @students = sort compare_sections @students; 3287: } 3288: &adjust_number_to_print($helper); 3289: 3290: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' || 3291: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) { 3292: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1; 3293: } 3294: # If we are splitting on section boundaries, we need 3295: # to remember that in split_on_sections and 3296: # print all of the students in the list. 3297: # 3298: my $split_on_sections = 0; 3299: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') { 3300: $split_on_sections = 1; 3301: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1; 3302: } 3303: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 3304: 3305: my $map; 3306: if ($helper->{VARS}->{'symb'}) { 3307: ($map, my $id, my $resource) = 3308: &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'}); 3309: } 3310: 3311: #loop over students 3312: 3313: my $flag_latex_header_remove = 'NO'; 3314: my %moreenv; 3315: $moreenv{'instructor_comments'}='hide'; 3316: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth); 3317: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 3318: $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 3319: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'}; 3320: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'}; 3321: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') || 3322: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) { 3323: $moreenv{'problem_split'}='yes'; 3324: } 3325: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1); 3326: my $student_counter=-1; 3327: my $i = 0; 3328: my $last_section = (split(/:/,$students[0]))[2]; 3329: my $nohidemap; 3330: if ($perm{'pav'} && $perm{'vgr'}) { 3331: $nohidemap = 1; 3332: } 3333: foreach my $person (@students) { 3334: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due"; 3335: if (-e $duefile) { 3336: my $temp_file = Apache::File->new('>>'.$duefile); 3337: print $temp_file "1969\n"; 3338: } 3339: $student_counter++; 3340: if ($split_on_sections) { 3341: my $this_section = (split(/:/,$person))[2]; 3342: if ($this_section ne $last_section) { 3343: $i++; 3344: $last_section = $this_section; 3345: } 3346: } else { 3347: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'}); 3348: } 3349: my $actual_seq = master_seq_to_person_seq($map, \@master_seq, 3350: $person, undef, $nohidemap); 3351: my ($output,$fullname, $printed)=&print_resources($r,$helper, 3352: $person,$type, 3353: \%moreenv, $actual_seq, 3354: $flag_latex_header_remove, 3355: $LaTeXwidth); 3356: $resources_printed .= ":"; 3357: $print_array[$i].=$output; 3358: $student_names[$i].=$person.':'.$fullname.'_END_'; 3359: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname); 3360: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student'); 3361: $flag_latex_header_remove = 'YES'; 3362: if (&Apache::loncommon::connection_aborted($r)) { last; } 3363: } 3364: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); 3365: $result .= $print_array[0].' \end{document}'; 3366: } elsif (($print_type eq 'problems_for_anon') || 3367: ($print_type eq 'problems_for_anon_page') || 3368: ($print_type eq 'resources_for_anon') || 3369: ($print_type eq 'select_sequences_problems_for_anon') || 3370: ($print_type eq 'select_sequences_resources_for_anon')) { 3371: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'}; 3372: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'}; 3373: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'}; 3374: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'}; 3375: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'}; 3376: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'}; 3377: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'}; 3378: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'}; 3379: my @lines = &Apache::lonnet::get_scantronformat_file(); 3380: my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10); 3381: foreach my $line (@lines) { 3382: next if (($line =~ /^\#/) || ($line eq '')); 3383: my ($name,$type,$length,$bubbles_per_item) = 3384: (split(/:/,$line))[0,2,4,17]; 3385: if ($name eq $code_option) { 3386: $code_length=$length; 3387: if ($type eq 'number') { $code_type = 'number'; } 3388: chomp($bubbles_per_item); 3389: if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) { 3390: $bubbles_per_row = $bubbles_per_item; 3391: } 3392: } 3393: } 3394: my $map; 3395: if ($helper->{VARS}{'symb'}) { 3396: ($map, my $id, my $resource) = 3397: &Apache::lonnet::decode_symb($helper->{VARS}{'symb'}); 3398: } 3399: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth)); 3400: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'}; 3401: $moreenv{'instructor_comments'}='hide'; 3402: $moreenv{'bubbles_per_row'} = $bubbles_per_row; 3403: my $seed=time+($$<<16)+($$); 3404: my @allcodes; 3405: if ($old_name) { 3406: my %result=&Apache::lonnet::get('CODEs', 3407: [$old_name,"type\0$old_name"], 3408: $cdom,$cnum); 3409: $code_type=$result{"type\0$old_name"}; 3410: @allcodes=split(',',$result{$old_name}); 3411: $num_todo=scalar(@allcodes); 3412: } elsif ($selected_code) { # Selection value is always numeric. 3413: $num_todo = 1; 3414: @allcodes = ($selected_code); 3415: } elsif ($single_code) { 3416: 3417: $num_todo = 1; # Unconditionally one code to do. 3418: # If an alpha code have to convert to numbers so it can be 3419: # converted back to letters again :-) 3420: # 3421: if ($code_type ne 'number') { 3422: $single_code = &letters_to_num($single_code); 3423: } 3424: @allcodes = ($single_code); 3425: } else { 3426: my %allcodes; 3427: srand($seed); 3428: for (my $i=0;$i<$num_todo;$i++) { 3429: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length, 3430: $code_type); 3431: } 3432: $code_name =~ s/^\s+//; 3433: $code_name =~ s/\s+$//; 3434: if ($code_name) { 3435: &Apache::lonnet::put('CODEs', 3436: { 3437: $code_name =>join(',',keys(%allcodes)), 3438: "type\0$code_name" => $code_type 3439: }, 3440: $cdom,$cnum); 3441: } 3442: @allcodes=keys(%allcodes); 3443: } 3444: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 3445: my ($type) = split(/_/,$print_type); 3446: &adjust_number_to_print($helper); 3447: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'}; 3448: if ($number_per_page eq '0' || $number_per_page eq 'all' 3449: || $number_per_page eq 'section') { 3450: $number_per_page=$num_todo > 0 ? $num_todo : 1; 3451: } 3452: my $flag_latex_header_remove = 'NO'; 3453: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo); 3454: my $count=0; 3455: my $nohidemap; 3456: if ($perm{'pav'} && $perm{'vgr'}) { 3457: $nohidemap = 1; 3458: } 3459: foreach my $code (sort(@allcodes)) { 3460: my $file_num=int($count/$number_per_page); 3461: if ($code_type eq 'number') { 3462: $moreenv{'CODE'}=$code; 3463: } else { 3464: $moreenv{'CODE'}=&num_to_letters($code); 3465: } 3466: $env{'form.CODE'} = $moreenv{'CODE'}; 3467: my $actual_seq = master_seq_to_person_seq($map, \@master_seq, 3468: undef, 3469: $moreenv{'CODE'}, $nohidemap); 3470: delete($env{'form.CODE'}); 3471: my ($output,$fullname, $printed)= 3472: &print_resources($r,$helper,'anonymous',$type,\%moreenv, 3473: $actual_seq,$flag_latex_header_remove, 3474: $LaTeXwidth); 3475: $resources_printed .= ":"; 3476: $print_array[$file_num].=$output; 3477: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, 3478: &mt('last assignment').' '.$fullname); 3479: $flag_latex_header_remove = 'YES'; 3480: $count++; 3481: if (&Apache::loncommon::connection_aborted($r)) { last; } 3482: } 3483: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); 3484: $result .= $print_array[0].' \end{document}'; 3485: } elsif ($print_type eq 'problems_from_directory') { 3486: #prints selected problems from the subdirectory 3487: $selectionmade = 6; 3488: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'}; 3489: @list_of_files=sort @list_of_files; 3490: my $flag_latex_header_remove = 'NO'; 3491: my $rndseed=time; 3492: if ($helper->{'VARS'}->{'curseed'}) { 3493: $rndseed=$helper->{'VARS'}->{'curseed'}; 3494: } 3495: for (my $i=0;$i<=$#list_of_files;$i++) { 3496: 3497: &Apache::lonenc::reset_enc(); 3498: 3499: my $urlp = $list_of_files[$i]; 3500: $urlp=~s|//|/|; 3501: if ($urlp=~/\//) { 3502: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 3503: $form{'rndseed'}=$rndseed; 3504: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||; 3505: $resources_printed .= $urlp.':'; 3506: my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form); 3507: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 3508: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 3509: # Don't permanently pervert %form: 3510: my %answerform = %form; 3511: $answerform{'grade_target'}='answer'; 3512: $answerform{'answer_output_mode'}='tex'; 3513: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 3514: $answerform{'rndseed'}=$rndseed; 3515: $resources_printed .= $urlp.':'; 3516: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform); 3517: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 3518: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/; 3519: } else { 3520: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 3521: if ($helper->{'VARS'}->{'construction'} ne '1') { 3522: $texversion.='\vskip 0 mm \noindent '; 3523: $texversion.=&path_to_problem ($urlp,$LaTeXwidth); 3524: } else { 3525: $texversion.='\vskip 0 mm \noindent\textbf{'. 3526: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm '; 3527: $texversion.=&path_to_problem ($urlp,$LaTeXwidth); 3528: } 3529: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 3530: } 3531: } 3532: #this chunk is responsible for printing the path to problem 3533: 3534: my $newurlp=&path_to_problem($urlp,$LaTeXwidth); 3535: $texversion =~ s/(\\begin\{minipage}\{\\textwidth})/$1 $newurlp/; 3536: if ($flag_latex_header_remove ne 'NO') { 3537: $texversion = &latex_header_footer_remove($texversion); 3538: } else { 3539: $texversion =~ s/\\end\{document}//; 3540: } 3541: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 3542: $texversion=&IndexCreation($texversion,$urlp); 3543: } 3544: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 3545: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 3546: 3547: } 3548: $result .= $texversion; 3549: } 3550: $flag_latex_header_remove = 'YES'; 3551: } 3552: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;} 3553: $result .= '\end{document}'; 3554: } 3555: #-------------------------------------------------------- corrections for the different page formats 3556: 3557: # Only post process if that has not been turned off e.g. by a raw latex resource. 3558: 3559: if ($do_postprocessing) { 3560: $result = &page_format_transformation($papersize, 3561: $laystyle,$numberofcolumns, 3562: $print_type,$result, 3563: $helper->{VARS}->{'assignment'}, 3564: $helper->{'VARS'}->{'TABLE_CONTENTS'}, 3565: $helper->{'VARS'}->{'TABLE_INDEX'}, 3566: $selectionmade); 3567: $result = &latex_corrections($number_of_columns,$result,$selectionmade, 3568: $helper->{'VARS'}->{'ANSWER_TYPE'}); 3569: #if ($numberofcolumns == 1) { 3570: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /; 3571: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /; 3572: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 3573: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 3574: #} 3575: } 3576: 3577: # Set URLback so we can provide a link back to the resource and to change options. 3578: # (Since the browser back button does not currently work with https, 3579: # the back link is useful even when there is an easy-to-miss LON-CAPA back button.) 3580: 3581: my $URLback=''; #link to original document 3582: if ($helper->{'VARS'}->{'construction'} eq '1') { 3583: $URLback=$helper->{'VARS'}->{'filename'}; 3584: } elsif ($helper->{VARS}{'symb'}) { 3585: my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}{'symb'}); 3586: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'}; 3587: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'}; 3588: my ($anchor,$usehttp,$plainurl); 3589: $url = &Apache::lonnet::clutter($url); 3590: $plainurl = $url; 3591: if (($ENV{'SERVER_PORT'} == 443) && ($env{'request.course.id'}) && 3592: (($url =~ m{^\Q/public/$cdom/$cnum/syllabus\E($|\?)}) || 3593: ($url =~ m{^\Q/adm/wrapper/ext/\E(?!https:)}))) { 3594: unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl())) { 3595: $usehttp = 1; 3596: } 3597: } 3598: if ($env{'request.enc'}) { 3599: $url = &Apache::lonenc::encrypted($url); 3600: } 3601: if ($url ne '') { 3602: my $symb = $helper->{VARS}{'symb'}; 3603: if ($url =~ m{^\Q/adm/wrapper/ext/\E}) { 3604: my $link = $url; 3605: ($link,$anchor) = ($url =~ /^([^\#]+)(?:|(\#[^\#]+))$/); 3606: if ($anchor) { 3607: ($symb) = ($helper->{VARS}{'symb'} =~ /^([^\#]+)/); 3608: } 3609: $url = $link; 3610: } 3611: $URLback = $url; 3612: if ($usehttp) { 3613: $URLback .= (($URLback =~ /\?/) ? '&':'?').'usehttp=1'; 3614: } 3615: unless ($plainurl =~ /\.page$/) { 3616: $URLback .= (($URLback =~ /\?/) ? '&':'?').'symb='.&escape($symb.$anchor); 3617: } 3618: } 3619: } elsif (($helper->{VARS}->{'postdata'} eq '/adm/navmaps') && 3620: ($env{'request.course.id'})) { 3621: $URLback=$helper->{VARS}->{'postdata'}; 3622: } 3623: # 3624: # Final adjustment of the font size: 3625: # 3626: 3627: $result = set_font_size($result); 3628: 3629: # Insert any babel headers required. 3630: 3631: $result = &collect_languages($result); 3632: 3633: 3634: #-- writing .tex file in prtspool 3635: my $temp_file; 3636: my $identifier = &Apache::loncommon::get_cgi_id(); 3637: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex"; 3638: if (!($#print_array>0)) { 3639: unless ($temp_file = Apache::File->new('>'.$filename)) { 3640: $r->log_error("Couldn't open $filename for output $!"); 3641: return SERVER_ERROR; 3642: } 3643: print $temp_file $result; 3644: my $begin=index($result,'\begin{document}',0); 3645: my $inc=substr($result,0,$begin+16); 3646: } else { 3647: my $begin=index($result,'\begin{document}',0); 3648: my $inc=substr($result,0,$begin+16); 3649: for (my $i=0;$i<=$#print_array;$i++) { 3650: if ($i==0) { 3651: $print_array[$i]=$result; 3652: } else { 3653: $print_array[$i].='\end{document}'; 3654: $print_array[$i] = 3655: &latex_corrections($number_of_columns,$print_array[$i], 3656: $selectionmade, 3657: $helper->{'VARS'}->{'ANSWER_TYPE'}); 3658: 3659: my $anobegin=index($print_array[$i],'\setcounter{page}',0); 3660: substr($print_array[$i],0,$anobegin)=''; 3661: $print_array[$i]=$inc.$print_array[$i]; 3662: } 3663: my $temp_file; 3664: my $newfilename=$filename; 3665: my $num=$i+1; 3666: $newfilename =~s/\.tex$//; 3667: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num); 3668: unless ($temp_file = Apache::File->new('>'.$newfilename)) { 3669: $r->log_error("Couldn't open $newfilename for output $!"); 3670: return SERVER_ERROR; 3671: } 3672: print $temp_file $print_array[$i]; 3673: } 3674: } 3675: my $student_names=''; 3676: if ($#print_array>0) { 3677: for (my $i=0;$i<=$#print_array;$i++) { 3678: $student_names.=$student_names[$i].'_ENDPERSON_'; 3679: } 3680: } else { 3681: if ($#student_names>-1) { 3682: $student_names=$student_names[0].'_ENDPERSON_'; 3683: } else { 3684: my $fullname = &get_name($env{'user.name'},$env{'user.domain'}); 3685: $student_names=join(':',$env{'user.name'},$env{'user.domain'}, 3686: $env{'request.course.sec'},$fullname). 3687: '_ENDPERSON_'.'_END_'; 3688: } 3689: } 3690: 3691: # logic for now is too complex to trace if this has been defined 3692: # yet. 3693: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3694: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3695: &Apache::lonnet::appenv({'cgi.'.$identifier.'.file' => $filename, 3696: 'cgi.'.$identifier.'.layout' => $laystyle, 3697: 'cgi.'.$identifier.'.numcol' => $numberofcolumns, 3698: 'cgi.'.$identifier.'.paper' => $papersize, 3699: 'cgi.'.$identifier.'.selection' => $selectionmade, 3700: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'}, 3701: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'}, 3702: 'cgi.'.$identifier.'.role' => $perm{'pav'}, 3703: 'cgi.'.$identifier.'.numberoffiles' => $#print_array, 3704: 'cgi.'.$identifier.'.studentnames' => $student_names, 3705: 'cgi.'.$identifier.'.backref' => &escape($URLback),}); 3706: &Apache::lonnet::appenv({"cgi.$identifier.user" => $env{'user.name'}, 3707: "cgi.$identifier.domain" => $env{'user.domain'}, 3708: "cgi.$identifier.courseid" => $cnum, 3709: "cgi.$identifier.coursedom" => $cdom, 3710: "cgi.$identifier.resources" => $resources_printed}); 3711: 3712: my $end_page = &Apache::loncommon::end_page(); 3713: my $continue_text = &mt('Continue'); 3714: # If there's been an unrecoverable SSI error, report it to the user 3715: if ($ssi_error) { 3716: my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk'); 3717: $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'. 3718: &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:'). 3719: '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error. 3720: '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'. 3721: &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.'). 3722: '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'. 3723: &mt('We apologize for the inconvenience.').'</p>'. 3724: '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page); 3725: } else { 3726: $r->print(<<FINALEND); 3727: <br /> 3728: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" /> 3729: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a> 3730: $end_page 3731: FINALEND 3732: } # endif ssi errors. 3733: } 3734: 3735: 3736: sub get_CODE { 3737: my ($all_codes,$num,$seed,$size,$type)=@_; 3738: my $max='1'.'0'x$size; 3739: my $newcode; 3740: while(1) { 3741: $newcode=sprintf("%0".$size."d",int(rand($max))); 3742: if (!exists($$all_codes{$newcode})) { 3743: $$all_codes{$newcode}=1; 3744: if ($type eq 'number' ) { 3745: return $newcode; 3746: } else { 3747: return &num_to_letters($newcode); 3748: } 3749: } 3750: } 3751: } 3752: 3753: sub print_resources { 3754: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header, 3755: $LaTeXwidth)=@_; 3756: my $current_output = ''; 3757: my $printed = ''; 3758: my ($username,$userdomain,$usersection) = split /:/,$person; 3759: my $fullname = &get_name($username,$userdomain); 3760: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace. 3761: 3762: 3763: # 3764: # Figure out if we need to filter the output by 3765: # the incomplete problems for that person 3766: # 3767: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; 3768: my $print_incomplete = 0; 3769: if (($print_type eq 'map_incomplete_problems_people_seq') || 3770: ($print_type eq 'incomplete_problems_selpeople_course')) { 3771: $print_incomplete = 1; 3772: } 3773: if ($person eq 'anonymous') { 3774: $namepostfix .=&mt('Name:')." "; 3775: $fullname = "CODE - ".$moreenv->{'CODE'}; 3776: } 3777: 3778: # Fullname may have special latex characters that need \ prefixing: 3779: # 3780: 3781: my $i = 0; 3782: my $actually_printed = 0; # Count of resources printed. 3783: #goes through all resources, checks if they are available for 3784: #current student, and produces output 3785: 3786: &Apache::lonxml::clear_problem_counter(); 3787: my %page_breaks = &get_page_breaks($helper); 3788: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1]; 3789: # 3790: # end each student with a 3791: # Special that allows the post processor to even out the page 3792: # counts later. Nasty problem this... it would be really 3793: # nice to put the special in as a postscript comment 3794: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately, 3795: # The special gets passed the \ and dvips puts it in the output file 3796: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the 3797: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself. 3798: # 3799: 3800: my $syllabus_first = 0; 3801: my $current_assignment = ""; 3802: my $assignment; 3803: my $courseidinfo = &get_course(); 3804: my $possprint = scalar(@{$master_seq}); 3805: 3806: foreach my $curresline (@{$master_seq}) { 3807: if (defined $page_breaks{$curresline}) { 3808: if($i != 0) { 3809: $current_output.= "\\newpage\n"; 3810: } 3811: } 3812: $current_output .= &get_extra_vspaces($helper, $curresline); 3813: $i++; 3814: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline); 3815: 3816: # See if we need to emit a new header: 3817: 3818: if ( !($type eq 'problems' && 3819: ($curresline!~ m/$LONCAPA::assess_page_re/)) ) { 3820: if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) { 3821: next; 3822: } 3823: $actually_printed++; # we're going to print one. 3824: 3825: if (&Apache::lonnet::allowed('bre',$res_url)) { 3826: if ($res_url!~m|^ext/| 3827: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 3828: $printed .= $curresline.':'; 3829: &Apache::lonxml::remember_problem_counter(); 3830: 3831: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv); 3832: if ($res_url =~ /\.page$/) { 3833: if ($remove_latex_header eq 'NO') { 3834: if (!($rendered =~ /\\begin\{document\}/)) { 3835: $rendered = &print_latex_header().$rendered; 3836: } 3837: } 3838: ; 3839: if ($remove_latex_header eq 'YES') { 3840: $rendered = &latex_header_footer_remove($rendered); 3841: } else { 3842: $rendered =~ s/\\end\{document}\d*//; 3843: } 3844: } 3845: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 3846: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 3847: # Use a copy of the hash so we don't pervert it on future loop passes. 3848: my %answerenv = %{$moreenv}; 3849: $answerenv{'answer_output_mode'}='tex'; 3850: 3851: 3852: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 3853: 3854: &Apache::lonxml::restore_problem_counter(); 3855: 3856: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv); 3857: 3858: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 3859: $rendered=~s/(\\keephidden\{ENDOFPROBLEM})/$ansrendered$1/; 3860: } else { 3861: 3862: 3863: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 3864: unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') { 3865: $header =~ s/\\begin\{document}//; #<<<<< 3866: } 3867: my $title = &Apache::lonnet::gettitle($curresline); 3868: $title = &Apache::lonxml::latex_special_symbols($title); 3869: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; 3870: $body .=&path_to_problem($res_url,$LaTeXwidth); 3871: $body .='\vskip 1 mm '.$ansrendered; 3872: $body = &encapsulate_minipage($body,$answerenv{'problem_split'}); 3873: $rendered = $header.$body; 3874: } 3875: } 3876: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 3877: my $url = &Apache::lonnet::clutter($res_url); 3878: my $annotation = &annotate($url); 3879: $rendered =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/; 3880: } 3881: my $junk; 3882: if ($remove_latex_header eq 'YES') { 3883: $rendered = &latex_header_footer_remove($rendered); 3884: } else { 3885: $rendered =~ s/\\end\{document}//; 3886: } 3887: $current_output .= $rendered; 3888: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) { 3889: if ($i == 1) { 3890: $syllabus_first = 1; 3891: } 3892: $printed .= $curresline.':'; 3893: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv); 3894: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { 3895: my $url = &Apache::lonnet::clutter($res_url); 3896: my $annotation = &annotate($url); 3897: $annotation =~ s/(\\end\{document})/$annotation$1/; 3898: } 3899: if ($remove_latex_header eq 'YES') { 3900: $rendered = &latex_header_footer_remove($rendered); 3901: } else { 3902: $rendered =~ s/\\end\{document}//; 3903: } 3904: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut '; 3905: } elsif($res_url = ~/\.pdf$/) { 3906: my $url = &Apache::lonnet::clutter($res_url); 3907: my $rendered = &include_pdf($url); 3908: if ($remove_latex_header ne 'NO') { 3909: $rendered = &latex_header_footer_remove($rendered); 3910: } 3911: $current_output .= $rendered; 3912: } else { 3913: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline); 3914: if ($remove_latex_header ne 'NO') { 3915: $rendered = &latex_header_footer_remove($rendered); 3916: } else { 3917: $rendered =~ s/\\end\{document}//; 3918: } 3919: $current_output .= $rendered; 3920: } 3921: } 3922: $remove_latex_header = 'YES'; 3923: } 3924: $assignment = &Apache::lonxml::latex_special_symbols( 3925: &Apache::lonnet::gettitle($map), 'header'); 3926: if (($assignment ne $current_assignment) && ($assignment ne "")) { 3927: my $header_line = &format_page_header($LaTeXwidth, $parmhash{'print_header_format'}, 3928: $assignment, $courseidinfo, 3929: $fullname, $usersection); 3930: my $header_start = ($columns_in_format == 1) ? '\lhead' 3931: : '\fancyhead[LO]'; 3932: $header_line = $header_start.'{'.$header_line.'}'; 3933: $current_output = $current_output . $header_line; 3934: $current_assignment = $assignment; 3935: } 3936: 3937: if (&Apache::loncommon::connection_aborted($r)) { last; } 3938: } 3939: # If we are printing incomplete it's possible we don't have 3940: # anything to print. The print subsystem is not so good at handling 3941: # that so we're going to generate a stub that says there are no 3942: # incomplete resources for the person. 3943: # 3944: 3945: if ($actually_printed == 0) { 3946: my $message = &mt('No resources to print'); 3947: if (!$possprint) { 3948: if ($perm{'pav'} || $perm{'pfo'}) { 3949: $message = &mt('There are no unhidden resources to print.')."\n\n". 3950: &mt('The most likely reason is one of the following: ')."\n". 3951: '\begin{itemize}'."\n". 3952: '\item '.&mt("The 'Resource hidden from students' parameter is set for the folder being printed.")."\n". 3953: '\item '.&mt("'Hidden' is checked in the Course Editor individually for each resource in the folder being printed.")."\n". 3954: '\end{itemize}'."\n\n". 3955: &mt("Note: to print a bubblesheet exam which you want to hide from students, ". 3956: "use the Course Editor to check the 'Hidden' checkbox for the exam folder itself.")."\n"; 3957: } 3958: } elsif ($print_incomplete) { 3959: $message = &mt('No incomplete resources'); 3960: } 3961: if ($message) { 3962: $current_output = &encapsulate_minipage("\\vskip -10mm \n$message\n \\vskip 100 mm { }\n",$moreenv->{'problem_split'}); 3963: } 3964: if ($remove_latex_header eq "NO") { 3965: $current_output = &print_latex_header() . $current_output; 3966: } else { 3967: $current_output = &latex_header_footer_remove($current_output); 3968: } 3969: } 3970: 3971: if ($syllabus_first) { 3972: $current_output =~ s/\\\\ Last updated:/Last updated:/ 3973: } 3974: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header'); 3975: my $header_line = 3976: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'}, 3977: $currentassignment, $courseidinfo, $fullname, $usersection); 3978: my $header_start = ($columns_in_format == 1) ? '\lhead' : '\fancyhead[LO]'; 3979: my $newheader = $header_start.'{'.$header_line.'}'; 3980: if ($current_output=~/\\documentclass/) { 3981: $current_output =~ s/\\begin\{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$newheader$namepostfix}\\vskip 5 mm /; 3982: 3983: } else { 3984: my $blankpages = 3985: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'}; 3986: 3987: $current_output = '\strut\vspace*{-6 mm}\\newline'. 3988: &copyright_line().' \newpage '.$blankpages.$end_of_student. 3989: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'. 3990: $newheader.$namepostfix. '} \vskip 5 mm '.$current_output; 3991: 3992: } 3993: # 3994: # Close the student bracketing. 3995: # 3996: return ($current_output,$fullname, $printed); 3997: 3998: } 3999: 4000: sub printing_blocked { 4001: my ($r,$blocktext) = @_; 4002: my $title = &mt('Preparing Printout'); 4003: &Apache::lonhtmlcommon::clear_breadcrumbs(); 4004: &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout', 4005: text=> $title}); 4006: my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title); 4007: &Apache::loncommon::content_type($r,'text/html'); 4008: &Apache::loncommon::no_cache($r); 4009: $r->send_http_header; 4010: $r->print(&Apache::loncommon::start_page('Preparing Printout'). 4011: $breadcrumbs. 4012: $blocktext. 4013: &Apache::loncommon::end_page()); 4014: return; 4015: } 4016: 4017: sub handler { 4018: 4019: my $r = shift; 4020: 4021: if ($env{'request.course.id'}) { 4022: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4023: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4024: my $clientip = &Apache::lonnet::get_requestor_ip($r); 4025: my ($blocked,$blocktext) = 4026: &Apache::loncommon::blocking_status('printout',$clientip,$cnum,$cdom); 4027: if ($blocked) { 4028: my $checkrole = "cm./$cdom/$cnum"; 4029: if ($env{'request.course.sec'} ne '') { 4030: $checkrole .= "/$env{'request.course.sec'}"; 4031: } 4032: unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) && 4033: ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) { 4034: &printing_blocked($r,$blocktext); 4035: return OK; 4036: } 4037: } 4038: } 4039: 4040: &init_perm(); 4041: my $helper = printHelper($r); 4042: if (!ref($helper)) { 4043: return $helper; 4044: } 4045: 4046: 4047: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'}); 4048: 4049: 4050: 4051: 4052: # If a figure conversion queue file exists for this user.domain 4053: # we delete it since it can only be bad (if it were good, printout.pl 4054: # would have deleted it the last time around. 4055: 4056: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat"; 4057: if(-e $conversion_queuefile) { 4058: unlink $conversion_queuefile; 4059: } 4060: 4061: 4062: &output_data($r,$helper,\%parmhash); 4063: return OK; 4064: } 4065: 4066: use Apache::lonhelper; 4067: 4068: sub addMessage { 4069: my $text = shift; 4070: my $paramHash = Apache::lonhelper::getParamHash(); 4071: $paramHash->{MESSAGE_TEXT} = $text; 4072: Apache::lonhelper::message->new(); 4073: } 4074: 4075: 4076: 4077: sub init_perm { 4078: undef(%perm); 4079: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'}); 4080: if (!$perm{'pav'}) { 4081: $perm{'pav'}=&Apache::lonnet::allowed('pav', 4082: $env{'request.course.id'}.'/'.$env{'request.course.sec'}); 4083: } 4084: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'}); 4085: if (!$perm{'pfo'}) { 4086: $perm{'pfo'}=&Apache::lonnet::allowed('pfo', 4087: $env{'request.course.id'}.'/'.$env{'request.course.sec'}); 4088: } 4089: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'}); 4090: if (!$perm{'vgr'}) { 4091: $perm{'vgr'}=&Apache::lonnet::allowed('vgr', 4092: $env{'request.course.id'}.'/'.$env{'request.course.sec'}); 4093: } 4094: } 4095: 4096: sub get_randomly_ordered_warning { 4097: my ($helper,$map) = @_; 4098: 4099: my $message; 4100: 4101: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'}; 4102: my $navmap = Apache::lonnavmaps::navmap->new(); 4103: if (defined($navmap)) { 4104: my $res = $navmap->getResourceByUrl($map); 4105: if ($res) { 4106: my $func = 4107: sub { return ($_[0]->is_map() && $_[0]->randomorder); }; 4108: my @matches = $navmap->retrieveResources($res, $func,1,1,1); 4109: 4110: } 4111: } else { 4112: $message = "Retrieval of information about ordering of resources failed."; 4113: return '<message type="warning">'.$message.'</message>'; 4114: } 4115: return; 4116: } 4117: 4118: sub printHelper { 4119: my $r = shift; 4120: 4121: if ($r->header_only) { 4122: if ($env{'browser.mathml'}) { 4123: &Apache::loncommon::content_type($r,'text/xml'); 4124: } else { 4125: &Apache::loncommon::content_type($r,'text/html'); 4126: } 4127: $r->send_http_header; 4128: return OK; 4129: } 4130: 4131: # Send header, nocache 4132: if ($env{'browser.mathml'}) { 4133: &Apache::loncommon::content_type($r,'text/xml'); 4134: } else { 4135: &Apache::loncommon::content_type($r,'text/html'); 4136: } 4137: &Apache::loncommon::no_cache($r); 4138: $r->send_http_header; 4139: $r->rflush(); 4140: 4141: # Unfortunately, this helper is so complicated we have to 4142: # write it by hand 4143: 4144: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING}); 4145: 4146: my $helper = Apache::lonhelper::helper->new("Printing Helper"); 4147: $helper->declareVar('symb'); 4148: $helper->declareVar('postdata'); 4149: $helper->declareVar('curseed'); 4150: $helper->declareVar('probstatus'); 4151: $helper->declareVar('filename'); 4152: $helper->declareVar('construction'); 4153: $helper->declareVar('assignment'); 4154: $helper->declareVar('style_file'); 4155: $helper->declareVar('student_sort'); 4156: $helper->declareVar('FINISHPAGE'); 4157: $helper->declareVar('PRINT_TYPE'); 4158: $helper->declareVar("showallfoils"); 4159: $helper->declareVar("STUDENTS"); 4160: $helper->declareVar("EXTRASPACE"); 4161: 4162: 4163: 4164: 4165: # The page breaks and extra spaces 4166: # can get loaded initially from the course environment: 4167: # But we only do this in the initial state so that they are allowed to change. 4168: # 4169: 4170: 4171: &Apache::loncommon::restore_course_settings('print', 4172: {'pagebreaks' => 'scalar', 4173: 'extraspace' => 'scalar', 4174: 'extraspace_units' => 'scalar', 4175: 'lastprinttype' => 'scalar'}); 4176: 4177: # This will persistently load in the data we want from the 4178: # very first screen. 4179: 4180: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) { 4181: if (!defined ($env{"form.CURRENT_STATE"})) { 4182: 4183: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'}; 4184: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'}; 4185: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'}; 4186: } else { 4187: my $state = $env{"form.CURRENT_STATE"}; 4188: if ($state eq "START") { 4189: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'}; 4190: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'}; 4191: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'}; 4192: 4193: } 4194: } 4195: 4196: } 4197: 4198: # Detect whether we're coming from construction space 4199: if ($env{'form.postdata'}=~m{^/priv}) { 4200: $helper->{VARS}->{'filename'} = $env{'form.postdata'}; 4201: $helper->{VARS}->{'construction'} = 1; 4202: } else { 4203: if ($env{'form.postdata'}) { 4204: unless ($env{'form.postdata'} eq '/adm/navmaps') { 4205: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'}); 4206: } 4207: if ( $helper->{VARS}->{'symb'} eq '') { 4208: $helper->{VARS}->{'postdata'} = $env{'form.postdata'}; 4209: } 4210: } 4211: if ($env{'form.symb'}) { 4212: $helper->{VARS}->{'symb'} = $env{'form.symb'}; 4213: } 4214: if ($env{'form.url'}) { 4215: unless ($env{'form.url'} eq '/adm/navmaps') { 4216: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 4217: } 4218: } 4219: } 4220: 4221: if ($helper->{VARS}->{'symb'} ne '') { 4222: $helper->{VARS}->{'symb'}= 4223: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'}); 4224: } 4225: my ($resourceTitle,$sequenceTitle,$mapTitle,$cdom,$cnum); 4226: if ($helper->{VARS}->{'postdata'} eq '/adm/navmaps') { 4227: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4228: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4229: if ($env{'course.'.$env{'request.course.id'}.'.url'} eq 4230: "uploaded/$cdom/$cnum/default.sequence") { 4231: my $navmap = Apache::lonnavmaps::navmap->new(); 4232: if (ref($navmap)) { 4233: my @toplevelres = $navmap->retrieveResources('',sub { !(($_[0]->is_map()) || ($_[0]->src =~ /^\/adm\/navmaps/)) },0,0); 4234: if (@toplevelres) { 4235: my @printable; 4236: if ($perm{'pav'} || $perm{'pfo'}) { 4237: @printable = @toplevelres; 4238: } else { 4239: @printable = $navmap->retrieveResources(undef,sub { $_[0]->resprintable() },0,1); 4240: } 4241: if (@printable) { 4242: $sequenceTitle = 'Main Content'; 4243: $mapTitle = $sequenceTitle; 4244: } 4245: } 4246: } 4247: } 4248: } else { 4249: ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper); 4250: } 4251: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;} 4252: 4253: 4254: # Extract map 4255: my $symb = $helper->{VARS}->{'symb'}; 4256: my ($map, $id, $url); 4257: my $subdir; 4258: my $is_published=0; # True when printing from resource space. 4259: my $res_printable = 1; # By default the current resource is printable. 4260: my $res_error; 4261: my $userCanPrint = ($perm{'pav'} || $perm{'pfo'}); 4262: my $res_printstartdate; 4263: my $res_printenddate; 4264: my $map_open = 0; 4265: my $map_close = 0xffffffff; 4266: my $course_open = 0; 4267: my $course_close = 0xffffffff; 4268: 4269: # Get the resource name from construction space 4270: if ($helper->{VARS}->{'construction'}) { 4271: $resourceTitle = substr($helper->{VARS}->{'filename'}, 4272: rindex($helper->{VARS}->{'filename'}, '/')+1); 4273: $subdir = substr($helper->{VARS}->{'filename'}, 4274: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1); 4275: } else { 4276: # From course space: 4277: 4278: if ($symb ne '') { 4279: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb); 4280: $helper->{VARS}->{'postdata'} = 4281: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url)); 4282: } elsif (($helper->{VARS}->{'postdata'} eq '/adm/navmaps') && 4283: ($env{'request.course.id'} ne '')) { 4284: if ($env{'course.'.$env{'request.course.id'}.'.url'} eq 4285: "uploaded/$cdom/$cnum/default.sequence") { 4286: $map = $env{'course.'.$env{'request.course.id'}.'.url'}; 4287: $url = $helper->{VARS}->{'postdata'}; 4288: } 4289: } 4290: if (($symb ne '') || ($map ne '')) { 4291: if (!$userCanPrint) { 4292: my $navmap = Apache::lonnavmaps::navmap->new(); 4293: if (ref($navmap)) { 4294: my $res; 4295: if ($symb ne '') { 4296: $res = $navmap->getBySymb($symb); 4297: } elsif ($map ne '') { 4298: $res = $navmap->getResourceByUrl($map); 4299: } 4300: if (ref($res)) { 4301: $res_printable = $res->resprintable(); #printability in course context 4302: ($res_printstartdate, $res_printenddate) = &get_print_dates($res); 4303: ($course_open, $course_close) = &course_print_dates($res); 4304: ($map_open, $map_close) = &map_print_dates($res); 4305: } else { 4306: $res_error = 1; 4307: } 4308: } else { 4309: $res_error = 1; 4310: } 4311: } 4312: } else { 4313: # Resource space. 4314: 4315: $url = $helper->{VARS}->{'postdata'}; 4316: $is_published=1; # From resource space. 4317: } 4318: $url = &Apache::lonnet::clutter($url); 4319: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename 4320: my $postdata = $helper->{VARS}->{'postdata'}; 4321: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1); 4322: } 4323: if (($url eq '/adm/navmaps') && ($map eq $env{'course.'.$env{'request.course.id'}.'.url'})) { 4324: $res_printable=0; 4325: } else { 4326: $subdir = &Apache::lonnet::filelocation("", $url); 4327: } 4328: 4329: 4330: } 4331: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) { 4332: $helper->{VARS}->{'curseed'}=$env{'form.curseed'}; 4333: } 4334: 4335: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) { 4336: $helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'}; 4337: } 4338: 4339: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser(); 4340: 4341: Apache::lonhelper::registerHelperTags(); 4342: 4343: # "Delete everything after the last slash." 4344: $subdir =~ s|/[^/]+$||; 4345: 4346: # What can be printed is a very dynamic decision based on 4347: # lots of factors. So we need to dynamically build this list. 4348: # To prevent security leaks, states are only added to the wizard 4349: # if they can be reached, which ensures manipulating the form input 4350: # won't allow anyone to reach states they shouldn't have permission 4351: # to reach. 4352: 4353: # printChoices is tracking the kind of printing the user can 4354: # do, and will be used in a choices construction later. 4355: # In the meantime we will be adding states and elements to 4356: # the helper by hand. 4357: my $printChoices = []; 4358: my $paramHash; 4359: 4360: # If there is a current resource and it is printable 4361: # Give that as a choice. 4362: 4363: if ($resourceTitle && $res_printable) { 4364: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE']; 4365: } 4366: 4367: # Useful filter strings 4368: 4369: my $isPrintable = ' && $res->resprintable()'; 4370: 4371: my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))'; 4372: $isProblem .= $isPrintable unless $userCanPrint; 4373: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden; 4374: my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())'; 4375: $isProblemOrMap .= $isPrintable unless $userCanPrint; 4376: my $isNotMap = '(!$res->is_sequence())'; 4377: $isNotMap .= $isPrintable unless $userCanPrint; 4378: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden; 4379: my $isMap = '$res->is_map()'; 4380: $isMap .= $isPrintable unless $userCanPrint; 4381: my $symbFilter = '$res->shown_symb() '; 4382: my $urlValue = '$res->link()'; 4383: 4384: $helper->declareVar('SEQUENCE'); 4385: 4386: # If we're in a sequence... 4387: 4388: my $start_new_option; 4389: if ($perm{'pav'}) { 4390: $start_new_option = 4391: "<option text='".&mt('Start new page[_1]before selected','<br />'). 4392: "' variable='FINISHPAGE' />". 4393: "<option text='".&mt('Extra space[_1]before selected','<br />'). 4394: "' variable='EXTRASPACE' type='text' />" . 4395: "<option " . 4396: "' variable='POSSIBLE_RESOURCES' type='hidden' />". 4397: "<option text='".&mt('Space units[_1]check for mm','<br />'). 4398: "' variable='EXTRASPACE_UNITS' type='checkbox' />" 4399: ; 4400: 4401: 4402: } 4403: 4404: # If not construction space user can print the components of a page: 4405: 4406: my $page_ispage; 4407: my $page_title; 4408: if (!$helper->{VARS}->{'construction'}) { 4409: my $varspostdata = $helper->{VARS}->{'postdata'}; 4410: my $varsassignment = $helper->{VARS}->{'assignment'}; 4411: my $page_navmap = Apache::lonnavmaps::navmap->new(); 4412: if (defined($page_navmap)) { 4413: my @page_resources = $page_navmap->retrieveResources($url); 4414: if(defined($page_resources[0])) { 4415: $page_ispage = $page_resources[0]->is_page(); 4416: $page_title = $page_resources[0]->title(); 4417: my $resourcesymb = $page_resources[0]->symb(); 4418: my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb); 4419: if ($page_ispage) { 4420: push @{$printChoices}, 4421: [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 4422: 'map_problems_in_page', 4423: 'CHOOSE_PROBLEMS_PAGE']; 4424: push @{$printChoices}, 4425: [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 4426: 'map_resources_in_page', 4427: 'CHOOSE_RESOURCES_PAGE']; 4428: } 4429: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE', 4430: 'Select Problem(s) to print', 4431: "multichoice='1' toponly='1' addstatus='1' closeallpages='1' modallink='1'", 4432: 'RESOURCES', 4433: 'PAGESIZE', 4434: $url, 4435: $isProblem, '', $symbFilter, 4436: $start_new_option); 4437: 4438: 4439: $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE', 4440: 'Select Resource(s) to print', 4441: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1" suppressNavmap="1"', 4442: 'RESOURCES', 4443: 'PAGESIZE', 4444: $url, 4445: $isNotMap, '', $symbFilter, 4446: $start_new_option); 4447: 4448: 4449: 4450: 4451: 4452: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 4453: 4454: } 4455: } 4456: } 4457: 4458: if (($helper->{'VAR'}->{'construction'} ne '1' ) && 4459: $helper->{VARS}->{'postdata'} && 4460: $helper->{VARS}->{'assignment'}) { 4461: 4462: # BZ 5209 - Print incomplete problems from sequence: 4463: # the exact form of this depends on whether or not we are privileged or a mere 4464: # plebe of s student: 4465: 4466: my $optionText = ''; 4467: my $printSelector = 'map_incomplete_problems_seq'; 4468: my $nextState = 'CHOOSE_INCOMPLETE_SEQ'; 4469: my $textSuffix = ''; 4470: my $nocurrloc = ''; 4471: if ($helper->{VARS}->{'postdata'} eq '/adm/navmaps') { 4472: $nocurrloc = 1; 4473: } 4474: 4475: if ($userCanPrint) { 4476: $printSelector = 'map_incomplete_problems_people_seq'; 4477: $nextState = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ'; 4478: $textSuffix = ' for selected students'; 4479: my $helperStates = 4480: &create_incomplete_folder_selstud_helper($helper, $map, $nocurrloc); 4481: &Apache::lonxml::xmlparse($r, 'helper', $helperStates); 4482: } else { 4483: if (&printable($map_open, $map_close)) { 4484: my $helperStates = &create_incomplete_folder_helper($helper, $map, $nocurrloc); # Create needed states for student. 4485: &Apache::lonxml::xmlparse($r, 'helper', $helperStates); 4486: } else { 4487: # TODO: Figure out how to break the news...this folder is not printable. 4488: } 4489: } 4490: 4491: if ($userCanPrint || &printable($map_open, $map_close)) { 4492: if ($helper->{VARS}->{'postdata'} eq '/adm/navmaps') { 4493: $optionText = &mt('Selected [_1]Incomplete Problems[_2] [_3]not in a folder[_4]' . $textSuffix, 4494: '<b>','</b>','<i>','</i>'); 4495: } else { 4496: $optionText = &mt('Selected [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix, 4497: '<b>','</b>','<b><i>'.$sequenceTitle.'</b></i>'); 4498: } 4499: push(@{$printChoices}, 4500: [$optionText, 4501: $printSelector, 4502: $nextState]); 4503: } 4504: # Allow problems from sequence 4505: if ($userCanPrint || &printable($map_open, $map_close)) { 4506: if ($helper->{VARS}->{'postdata'} eq '/adm/navmaps') { 4507: $optionText = &mt('Selected [_1]Problems[_2] [_3]not in a folder[_4]','<b>','</b>','<i>','</i>'); 4508: } else { 4509: $optionText = &mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'); 4510: } 4511: push @{$printChoices}, 4512: [$optionText, 4513: 'map_problems', 4514: 'CHOOSE_PROBLEMS']; 4515: # Allow all resources from sequence 4516: if ($helper->{VARS}->{'postdata'} eq '/adm/navmaps') { 4517: $optionText = &mt('Selected [_1]Resources[_2] [_3]not in a folder[_4]','<b>','</b>','<i>','</i>'); 4518: } else { 4519: $optionText = &mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'); 4520: } 4521: push @{$printChoices}, [$optionText, 4522: 'map_problems_pages', 4523: 'CHOOSE_PROBLEMS_HTML']; 4524: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS', 4525: 'Select Problem(s) to print', 4526: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1" nocurrloc="'.$nocurrloc.'"', 4527: 'RESOURCES', 4528: 'PAGESIZE', 4529: $map, 4530: $isProblem, '', 4531: $symbFilter, 4532: $start_new_option); 4533: $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML', 4534: 'Select Resource(s) to print', 4535: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1" nocurrloc="'.$nocurrloc.'" suppressNavmap="1"', 4536: 'RESOURCES', 4537: 'PAGESIZE', 4538: $map, 4539: $isNotMap, '', 4540: $symbFilter, 4541: $start_new_option); 4542: 4543: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 4544: } else { 4545: # TODO: Figure out how to tell them the folder is not printable. 4546: } 4547: } 4548: # If the user has pfo (print for others) allow them to print all 4549: # problems and resources in the entire course, optionally for selected students 4550: my $post_data = $helper->{VARS}->{'postdata'}; 4551: 4552: if ($perm{'pfo'} && !$is_published && 4553: ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 4554: 4555: # BZ 5209 - incomplete problems from entire course: 4556: 4557: push(@{$printChoices}, 4558: [&mt('Selected [_1]Incomplete Problems[_2] from [_3]entire course[_4] for [_5]selected people[_6]', 4559: '<b>','</b>','<b>','</b>','<b>','</b>'), 4560: 'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']); 4561: my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states. 4562: 4563: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 4564: 4565: # Selected problems/resources from entire course: 4566: 4567: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from [_3]entire course[_4]','<b>','</b>','<b>','</b>'), 'all_problems', 'ALL_PROBLEMS']; 4568: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from [_3]entire course[_4]','<b>','</b>','<b>','</b>'), 'all_resources', 'ALL_RESOURCES']; 4569: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from [_3]entire course[_4] for [_5]selected people[_6]','<b>','</b>','<b>','</b>','<b>','</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS']; 4570: my $suffixXml = <<ALL_PROBLEMS; 4571: <state name="STUDENTS1" title="Select People"> 4572: <message><b>Select sorting order of printout</b> </message> 4573: <choices variable='student_sort'> 4574: <choice computer='0'>Sort by section then student</choice> 4575: <choice computer='1'>Sort by students across sections.</choice> 4576: </choices> 4577: <message><br /><hr /><br /> </message> 4578: <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/> 4579: </state> 4580: ALL_PROBLEMS 4581: &Apache::lonxml::xmlparse($r, 'helper', 4582: &generate_resource_chooser('ALL_PROBLEMS', 4583: 'Select Problem(s) to print', 4584: 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1" modallink="1"', 4585: 'RESOURCES', 4586: 'PAGESIZE', 4587: '', 4588: $isProblemOrMap, $isNotMap, 4589: $symbFilter, 4590: $start_new_option) . 4591: &generate_resource_chooser('ALL_RESOURCES', 4592: 'Select Resource(s) to print', 4593: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1" modallink="1" suppressNavmap="1"', 4594: 'RESOURCES', 4595: 'PAGESIZE', 4596: '', 4597: $isNotMap,'',$symbFilter, 4598: $start_new_option) . 4599: &generate_resource_chooser('ALL_PROBLEMS_STUDENTS', 4600: 'Select Problem(s) to print', 4601: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1" modallink="1"', 4602: 'RESOURCES', 4603: 'STUDENTS1', 4604: '', 4605: $isProblemOrMap,'' , $symbFilter, 4606: $start_new_option) . 4607: $suffixXml 4608: ); 4609: 4610: if ($helper->{VARS}->{'assignment'}) { 4611: 4612: # If we were looking at a page, allow a selection of problems from the page 4613: # either for selected students or for coded assignments. 4614: 4615: if ($page_ispage) { 4616: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]', 4617: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'), 4618: 'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE']; 4619: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]', 4620: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'), 4621: 'problems_for_anon_page', 'CHOOSE_ANON1_PAGE']; 4622: } 4623: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]', 4624: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 4625: 'problems_for_students', 'CHOOSE_STUDENTS']; 4626: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]', 4627: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 4628: 'problems_for_anon', 'CHOOSE_ANON1']; 4629: } 4630: 4631: my ($randomly_ordered_warning,$codechoice,$code_selection,$namechoice) = 4632: &generate_common_choosers($r,$helper,$map,$url,$isProblem,$symbFilter,$start_new_option); 4633: 4634: if ($helper->{VARS}->{'assignment'}) { 4635: 4636: # Assignment printing: 4637: 4638: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3] for [_4]selected people[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'resources_for_students', 'CHOOSE_STUDENTS1']; 4639: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3] for [_4]CODEd assignments[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'resources_for_anon', 'CHOOSE_ANON2']; 4640: } 4641: 4642: # resource_selector will hold a few states that: 4643: # - Allow resources to be selected for printing. 4644: # - Determine pagination between assignments. 4645: # - Determine how many assignments should be bundled into a single PDF. 4646: # TODO: 4647: # Probably good to do things like separate this up into several vars, each 4648: # with one state, and use REGEXPs at inclusion time to set state names 4649: # and next states for better mix and match capability 4650: # 4651: 4652: my $resource_selector=<<RESOURCE_SELECTOR; 4653: <state name="SELECT_RESOURCES" title="Select Resources"> 4654: $randomly_ordered_warning 4655: <nextstate>PRINT_FORMATTING</nextstate> 4656: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message> 4657: <resource variable="RESOURCES" multichoice="1" addstatus="1" 4658: closeallpages="1" modallink="1"> 4659: <filterfunc>return $isNotMap;</filterfunc> 4660: <mapurl>$map</mapurl> 4661: <valuefunc>return $symbFilter;</valuefunc> 4662: $start_new_option 4663: </resource> 4664: </state> 4665: RESOURCE_SELECTOR 4666: 4667: $resource_selector .= &generate_format_selector($helper, 4668: 'Format of the print job', 4669: 'PRINT_FORMATTING'); 4670: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1); 4671: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources"> 4672: <choices variable='student_sort'> 4673: <choice computer='0'>Sort by section then student</choice> 4674: <choice computer='1'>Sort by students across sections.</choice> 4675: </choices> 4676: <message><br /><hr /><br /></message> 4677: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" /> 4678: 4679: </state> 4680: $resource_selector 4681: CHOOSE_STUDENTS1 4682: 4683: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2); 4684: <state name="CHOOSE_ANON2" title="Select CODEd Assignments"> 4685: <nextstate>SELECT_RESOURCES</nextstate> 4686: <message><h4>Fill out one of the forms below</h4></message> 4687: <message><br /><hr /> <br /></message> 4688: <message><h3>Generate new CODEd Assignments</h3></message> 4689: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message> 4690: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1"> 4691: <validator> 4692: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && 4693: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 4694: !\$helper->{'VARS'}{'SINGLE_CODE'} && 4695: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 4696: return "You need to specify the number of assignments to print"; 4697: } 4698: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) && 4699: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) { 4700: return 'Specifying number of codes to print and a specific code is not compatible'; 4701: } 4702: return undef; 4703: </validator> 4704: </string> 4705: <message></td></tr><tr><td></message> 4706: <message><b>Names to save the CODEs under for later:</b></message> 4707: <message></td><td></message> 4708: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> 4709: <message></td></tr><tr><td></message> 4710: <message><b>Bubblesheet type:</b></message> 4711: <message></td><td></message> 4712: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0"> 4713: $codechoice 4714: </dropdown> 4715: <message></td></tr><tr><td></table></message> 4716: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message> 4717: <message><tr><td><b>Enter a CODE to print:</b></td><td></message> 4718: <string variable="SINGLE_CODE" size="10"> 4719: <validator> 4720: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && 4721: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 4722: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 4723: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, 4724: \$helper->{'VARS'}{'CODE_OPTION'}); 4725: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){ 4726: return 'Specifying a code name is incompatible specifying number of codes.'; 4727: } else { 4728: return undef; # Other forces control us. 4729: } 4730: </validator> 4731: </string> 4732: <message></td></tr><tr><td></message> 4733: $code_selection 4734: <message></td></tr></table></message> 4735: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message> 4736: <message><b>Select saved CODEs:</b></message> 4737: <message></td><td></message> 4738: <dropdown variable="REUSE_OLD_CODES"> 4739: $namechoice 4740: </dropdown> 4741: <message></td></tr></table></message> 4742: </state> 4743: $resource_selector 4744: CHOOSE_ANON2 4745: } 4746: 4747: # FIXME: That RE should come from a library somewhere. 4748: if (($perm{'pav'} 4749: && ($subdir ne '') 4750: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/' 4751: && (defined($helper->{'VARS'}->{'construction'}) 4752: || 4753: (&Apache::lonnet::allowed('bre',$subdir) eq 'F' 4754: && 4755: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/) 4756: )) 4757: && $helper->{VARS}->{'assignment'} eq "" 4758: ) { 4759: my $pretty_dir = &Apache::lonnet::hreflocation($subdir); 4760: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from current subdirectory [_3]','<b>','</b>','<b><i>'.$pretty_dir.'</i></b>','<b>','</b>'), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR']; 4761: my $xmlfrag = <<CHOOSE_FROM_SUBDIR; 4762: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print"> 4763: 4764: <files variable="FILES" multichoice='1'> 4765: <nextstate>PAGESIZE</nextstate> 4766: <filechoice>return '$subdir';</filechoice> 4767: CHOOSE_FROM_SUBDIR 4768: 4769: # this is broken up because I really want interpolation above, 4770: # and I really DON'T want it below 4771: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR'; 4772: <filefilter>return Apache::lonhelper::files::not_old_version($filename) && 4773: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/; 4774: </filefilter> 4775: </files> 4776: </state> 4777: CHOOSE_FROM_SUBDIR 4778: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 4779: } 4780: 4781: # Allow the user to select any sequence in the course, feed it to 4782: # another resource selector for that sequence 4783: if ((!$helper->{VARS}->{'construction'}) && 4784: (!$is_published || (($subdir eq '') && ($url eq '/adm/navmaps')))) { 4785: push(@$printChoices,[&mt('Selected [_1]Resources[_2] from [_3]selected folder[_4] in course', 4786: '<b>','</b>','<b>','</b>'), 4787: 'select_sequences','CHOOSE_SEQUENCE']); 4788: my $escapedSequenceName; 4789: if ($helper->{VARS}->{'SEQUENCE'} ne '') { 4790: $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'}; 4791: } elsif (($subdir eq '') && ($url eq '/adm/navmaps')) { 4792: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4793: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4794: if ($env{'course.'.$env{'request.course.id'}.'.url'} eq 4795: "uploaded/$cdom/$cnum/default.sequence") { 4796: $escapedSequenceName = $env{'course.'.$env{'request.course.id'}.'.url'}; 4797: } 4798: } 4799: #Escape apostrophes and backslashes for Perl 4800: $escapedSequenceName =~ s/\\/\\\\/g; 4801: $escapedSequenceName =~ s/'/\\'/g; 4802: my $nocurrloc; 4803: if (($subdir eq '') && ($url eq '/adm/navmaps')) { 4804: $nocurrloc = 'nocurrloc="1"'; 4805: if ($perm{'pfo'}) { 4806: push(@{$printChoices}, 4807: [&mt('Selected [_1]Problems[_2] from [_3]selected folder[_4] in course for [_5]selected people[_6]', 4808: '<b>','</b>','<b>','</b>','<b>','</b>'), 4809: 'select_sequences_problems_for_students','CHOOSE_SEQUENCE_STUDENTS'], 4810: [&mt('Selected [_1]Problems[_2] from [_3]selected folder[_4] in course for [_5]CODEd assignments[_6]', 4811: '<b>','</b>','<b>','</b>','<b>','</b>'), 4812: 'select_sequences_problems_for_anon','CHOOSE_SEQUENCE_ANON1'], 4813: [&mt('Selected [_1]Resources[_2] from [_3]selected folder[_4] in course for [_5]selected people[_6]', 4814: '<b>','</b>','<b>','</b>','<b>','</b>'), 4815: 'select_sequences_resources_for_students','CHOOSE_SEQUENCE_STUDENTS1'], 4816: [&mt('Selected [_1]Resources[_2] from [_3]selected folder[_4] in course for [_5]CODEd assignments[_6]', 4817: '<b>','</b>','<b>','</b>','<b>','</b>'), 4818: 'select_sequences_resources_for_anon','CHOOSE_SEQUENCE_ANON2']); 4819: if ($escapedSequenceName) { 4820: &generate_common_choosers($r,$helper,$escapedSequenceName,$escapedSequenceName,$isProblem,$symbFilter,$start_new_option); 4821: } 4822: } 4823: } 4824: if (($subdir eq '') && ($url eq '/adm/navmaps') && ($perm{'pfo'})) { 4825: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE); 4826: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From"> 4827: <message>Select the sequence to print resources from:</message> 4828: <resource variable="SEQUENCE"> 4829: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate> 4830: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc> 4831: <valuefunc>return $urlValue;</valuefunc> 4832: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0); 4833: </choicefunc> 4834: </resource> 4835: </state> 4836: <state name="CHOOSE_SEQUENCE_STUDENTS" title="Select Sequence To Print From"> 4837: <message>Select the sequence to print resources from:</message> 4838: <resource variable="SEQUENCE"> 4839: <nextstate>CHOOSE_STUDENTS</nextstate> 4840: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc> 4841: <valuefunc>return $urlValue;</valuefunc> 4842: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0); 4843: </choicefunc> 4844: </resource> 4845: </state> 4846: <state name="CHOOSE_SEQUENCE_ANON1" title="Select Sequence To Print From"> 4847: <message>Select the sequence to print resources from:</message> 4848: <resource variable="SEQUENCE"> 4849: <nextstate>CHOOSE_ANON1</nextstate> 4850: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc> 4851: <valuefunc>return $urlValue;</valuefunc> 4852: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0); 4853: </choicefunc> 4854: </resource> 4855: </state> 4856: <state name="CHOOSE_SEQUENCE_STUDENTS1" title="Select Sequence To Print From"> 4857: <message>Select the sequence to print resources from:</message> 4858: <resource variable="SEQUENCE"> 4859: <nextstate>CHOOSE_STUDENTS</nextstate> 4860: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc> 4861: <valuefunc>return $urlValue;</valuefunc> 4862: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0); 4863: </choicefunc> 4864: </resource> 4865: </state> 4866: <state name="CHOOSE_SEQUENCE_ANON2" title="Select Sequence To Print From"> 4867: <message>Select the sequence to print resources from:</message> 4868: <resource variable="SEQUENCE"> 4869: <nextstate>CHOOSE_ANON1</nextstate> 4870: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc> 4871: <valuefunc>return $urlValue;</valuefunc> 4872: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0); 4873: </choicefunc> 4874: </resource> 4875: </state> 4876: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print"> 4877: <message>(mark desired resources then click "next" button) <br /></message> 4878: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" 4879: closeallpages="1" modallink="1" suppressNavmap="1" $nocurrloc> 4880: <nextstate>PAGESIZE</nextstate> 4881: <filterfunc>return $isNotMap</filterfunc> 4882: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl> 4883: <valuefunc>return $symbFilter;</valuefunc> 4884: $start_new_option 4885: </resource> 4886: </state> 4887: CHOOSE_FROM_ANY_SEQUENCE 4888: } else { 4889: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE); 4890: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From"> 4891: <message>Select the sequence to print resources from:</message> 4892: <resource variable="SEQUENCE"> 4893: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate> 4894: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc> 4895: <valuefunc>return $urlValue;</valuefunc> 4896: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0); 4897: </choicefunc> 4898: </resource> 4899: </state> 4900: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print"> 4901: <message>(mark desired resources then click "next" button) <br /></message> 4902: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" 4903: closeallpages="1" modallink="1" suppressNavmap="1" $nocurrloc> 4904: <nextstate>PAGESIZE</nextstate> 4905: <filterfunc>return $isNotMap</filterfunc> 4906: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl> 4907: <valuefunc>return $symbFilter;</valuefunc> 4908: $start_new_option 4909: </resource> 4910: </state> 4911: CHOOSE_FROM_ANY_SEQUENCE 4912: } 4913: } 4914: my $numchoices = 0; 4915: if (ref($printChoices) eq 'ARRAY') { 4916: $numchoices = @{$printChoices}; 4917: } 4918: # Early out if nothing to print 4919: if (!$numchoices) { 4920: $r->print(&Apache::loncommon::start_page('Printing Helper'). 4921: '<h2>'.&mt('Unable to determine print context').'</h2>'. 4922: '<p>'.&mt('Please display a resource, and then click the "Print" button/icon').'</p>'); 4923: my $prtspool=$r->dir_config('lonPrtDir'); 4924: my $footer = &recently_generated($prtspool); 4925: $r->print($footer.&Apache::loncommon::end_page()); 4926: return OK; 4927: } 4928: 4929: # Generate the first state, to select which resources get printed. 4930: Apache::lonhelper::state->new("START", "Select Printing Options:"); 4931: if (!$res_printable) { 4932: my $noprintmsg; 4933: if ($res_error) { 4934: $noprintmsg = &mt('Print availability for current resource could not be determined'); 4935: } else { 4936: my $now = time; 4937: my $shownprintstart = &Apache::lonlocal::locallocaltime($res_printstartdate); 4938: my $shownprintend = &Apache::lonlocal::locallocaltime($res_printenddate); 4939: if (($res_printenddate) && ($res_printenddate < $now)) { 4940: $noprintmsg = &mt('Printing for current resource no longer available (ended: [_1])', 4941: $shownprintend); 4942: } else { 4943: if (($res_printstartdate) && ($res_printstartdate > $now)) { 4944: if (($res_printenddate) && ($res_printenddate > $now) && ($res_printenddate > $res_printstartdate)) { 4945: $noprintmsg = &mt('Printing for current resource is only possible between [_1] and [_2]', 4946: $shownprintstart,$shownprintend); 4947: } elsif (!$res_printenddate) { 4948: $noprintmsg = &mt('Printing for current resource will only be possible starting [_1]', 4949: $shownprintstart); 4950: } else { 4951: $noprintmsg = &mt('Printing for current resource is unavailable'); 4952: } 4953: } 4954: } 4955: } 4956: 4957: if ($noprintmsg) { 4958: $paramHash = Apache::lonhelper::getParamHash(); 4959: $paramHash->{MESSAGE_TEXT} = 4960: '<p class="LC_info">'.$noprintmsg.'</p>'; 4961: Apache::lonhelper::message->new(); 4962: } 4963: } 4964: $paramHash = Apache::lonhelper::getParamHash(); 4965: $paramHash = Apache::lonhelper::getParamHash(); 4966: $paramHash->{MESSAGE_TEXT} = ""; 4967: Apache::lonhelper::message->new(); 4968: $paramHash = Apache::lonhelper::getParamHash(); 4969: $paramHash->{'variable'} = 'PRINT_TYPE'; 4970: $paramHash->{CHOICES} = $printChoices; 4971: Apache::lonhelper::choices->new(); 4972: 4973: my $startedTable = 0; # have we started an HTML table yet? (need 4974: # to close it later) 4975: 4976: if (($perm{'pav'} and $perm{'vgr'}) or 4977: ($helper->{VARS}->{'construction'} eq '1')) { 4978: &addMessage('<br />' 4979: .'<h3>'.&mt('Print Options').'</h3>' 4980: .&Apache::lonhtmlcommon::start_pick_box() 4981: .&Apache::lonhtmlcommon::row_title( 4982: '<label for="ANSWER_TYPE_forminput">' 4983: .&mt('Print Answers') 4984: .'</label>' 4985: ) 4986: ); 4987: $paramHash = Apache::lonhelper::getParamHash(); 4988: $paramHash->{'variable'} = 'ANSWER_TYPE'; 4989: $helper->declareVar('ANSWER_TYPE'); 4990: $paramHash->{CHOICES} = [ 4991: ['Without Answers', 'yes'], 4992: ['With Answers', 'no'], 4993: ['Only Answers', 'only'] 4994: ]; 4995: Apache::lonhelper::dropdown->new(); 4996: &addMessage(&Apache::lonhtmlcommon::row_closure()); 4997: $startedTable = 1; 4998: 4999: # 5000: # Select font size. 5001: # 5002: 5003: $helper->declareVar('fontsize'); 5004: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size'))); 5005: my $xmlfrag = << "FONT_SELECTION"; 5006: 5007: 5008: <dropdown variable='fontsize' multichoice='0' allowempty='0'> 5009: <defaultvalue> 5010: return 'normalsize'; 5011: </defaultvalue> 5012: <choice computer='tiny'>Tiny</choice> 5013: <choice computer='sub/superscriptsize'>Script Size</choice> 5014: <choice computer='footnotesize'>Footnote Size</choice> 5015: <choice computer='small'>Small</choice> 5016: <choice computer='normalsize'>Normal (default)</choice> 5017: <choice computer='large'>larger than normal</choice> 5018: <choice computer='Large'>Even larger than normal</choice> 5019: <choice computer='LARGE'>Still larger than normal</choice> 5020: <choice computer='huge'>huge font size</choice> 5021: <choice computer='Huge'>Largest possible size</choice> 5022: </dropdown> 5023: FONT_SELECTION 5024: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 5025: &addMessage(&Apache::lonhtmlcommon::row_closure(1)); 5026: } 5027: 5028: if ($perm{'pav'}) { 5029: if (!$startedTable) { 5030: addMessage("<hr width='33%' /><table><tr><td align='right'>". 5031: '<label for="LATEX_TYPE_forminput">'. 5032: &mt('LaTeX mode'). 5033: "</label>: </td><td>"); 5034: $startedTable = 1; 5035: } else { 5036: &addMessage(&Apache::lonhtmlcommon::row_title( 5037: '<label for="LATEX_TYPE_forminput">' 5038: .&mt('LaTeX mode') 5039: .'</label>' 5040: ) 5041: ); 5042: } 5043: $paramHash = Apache::lonhelper::getParamHash(); 5044: $paramHash->{'variable'} = 'LATEX_TYPE'; 5045: $helper->declareVar('LATEX_TYPE'); 5046: if ($helper->{VARS}->{'construction'} eq '1') { 5047: $paramHash->{CHOICES} = [ 5048: ['standard LaTeX mode', 'standard'], 5049: ['LaTeX batchmode', 'batchmode'], ]; 5050: } else { 5051: $paramHash->{CHOICES} = [ 5052: ['LaTeX batchmode', 'batchmode'], 5053: ['standard LaTeX mode', 'standard'] ]; 5054: } 5055: Apache::lonhelper::dropdown->new(); 5056: 5057: &addMessage(&Apache::lonhtmlcommon::row_closure() 5058: .&Apache::lonhtmlcommon::row_title( 5059: '<label for="TABLE_CONTENTS_forminput">' 5060: .&mt('Print Table of Contents') 5061: .'</label>' 5062: ) 5063: ); 5064: $paramHash = Apache::lonhelper::getParamHash(); 5065: $paramHash->{'variable'} = 'TABLE_CONTENTS'; 5066: $helper->declareVar('TABLE_CONTENTS'); 5067: $paramHash->{CHOICES} = [ 5068: ['No', 'no'], 5069: ['Yes', 'yes'] ]; 5070: Apache::lonhelper::dropdown->new(); 5071: &addMessage(&Apache::lonhtmlcommon::row_closure()); 5072: 5073: if (not $helper->{VARS}->{'construction'}) { 5074: &addMessage(&Apache::lonhtmlcommon::row_title( 5075: '<label for="TABLE_INDEX_forminput">' 5076: .&mt('Print Index') 5077: .'</label>' 5078: ) 5079: ); 5080: $paramHash = Apache::lonhelper::getParamHash(); 5081: $paramHash->{'variable'} = 'TABLE_INDEX'; 5082: $helper->declareVar('TABLE_INDEX'); 5083: $paramHash->{CHOICES} = [ 5084: ['No', 'no'], 5085: ['Yes', 'yes'] ]; 5086: Apache::lonhelper::dropdown->new(); 5087: &addMessage(&Apache::lonhtmlcommon::row_closure()); 5088: &addMessage(&Apache::lonhtmlcommon::row_title( 5089: '<label for="PRINT_DISCUSSIONS_forminput">' 5090: .&mt('Print Discussions') 5091: .'</label>' 5092: ) 5093: ); 5094: $paramHash = Apache::lonhelper::getParamHash(); 5095: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS'; 5096: $helper->declareVar('PRINT_DISCUSSIONS'); 5097: $paramHash->{CHOICES} = [ 5098: ['No', 'no'], 5099: ['Yes', 'yes'] ]; 5100: Apache::lonhelper::dropdown->new(); 5101: &addMessage(&Apache::lonhtmlcommon::row_closure()); 5102: 5103: # Prompt for printing annotations too. 5104: 5105: &addMessage(&Apache::lonhtmlcommon::row_title( 5106: '<label for="PRINT_ANNOTATIONS_forminput">' 5107: .&mt('Print Annotations') 5108: .'</label>' 5109: ) 5110: ); 5111: $paramHash = Apache::lonhelper::getParamHash(); 5112: $paramHash->{'variable'} = "PRINT_ANNOTATIONS"; 5113: $helper->declareVar("PRINT_ANNOTATIONS"); 5114: $paramHash->{CHOICES} = [ 5115: ['No', 'no'], 5116: ['Yes', 'yes']]; 5117: Apache::lonhelper::dropdown->new(); 5118: &addMessage(&Apache::lonhtmlcommon::row_closure()); 5119: 5120: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils'))); 5121: $paramHash = Apache::lonhelper::getParamHash(); 5122: $paramHash->{'multichoice'} = "true"; 5123: $paramHash->{'allowempty'} = "true"; 5124: $paramHash->{'variable'} = "showallfoils"; 5125: $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ]; 5126: Apache::lonhelper::choices->new(); 5127: &addMessage(&Apache::lonhtmlcommon::row_closure(1)); 5128: } 5129: 5130: if ($helper->{'VARS'}->{'construction'}) { 5131: my $stylevalue='$Apache::lonnet::env{"construct.style"}'; 5132: my $randseedtext=&mt("Use random seed"); 5133: my $stylefiletext=&mt("Use style file"); 5134: my $selectfiletext=&mt("Select style file"); 5135: 5136: my $xmlfrag .= '<message>' 5137: .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">' 5138: .$randseedtext 5139: .'</label>' 5140: ) 5141: .'</message> 5142: <string variable="curseed" size="15" maxlength="15"> 5143: <defaultvalue> 5144: return '.$helper->{VARS}->{'curseed'}.'; 5145: </defaultvalue>' 5146: .'</string>' 5147: .'<message>' 5148: .&Apache::lonhtmlcommon::row_closure() 5149: .&Apache::lonhtmlcommon::row_title('<label for="style_file">' 5150: .$stylefiletext 5151: .'</label>' 5152: ) 5153: .'</message> 5154: <string variable="style_file" size="40"> 5155: <defaultvalue> 5156: return '.$stylevalue.'; 5157: </defaultvalue> 5158: </string><message> ' 5159: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">| 5160: .$selectfiletext.'</a>' 5161: .&Apache::lonhtmlcommon::row_closure() 5162: .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils')) 5163: .'</message> 5164: <choices allowempty="1" multichoice="true" variable="showallfoils"> 5165: <choice computer="1"> </choice> 5166: </choices>' 5167: .'<message>' 5168: .&Apache::lonhtmlcommon::row_closure() 5169: .'</message>'; 5170: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 5171: 5172: 5173: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type'))); 5174: # 5175: # Initial value from construction space: 5176: # 5177: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) { 5178: $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value 5179: } 5180: $xmlfrag = << "PROBTYPE"; 5181: <dropdown variable="probstatus" multichoice="0" allowempty="0"> 5182: <defaultvalue> 5183: return "$helper->{VARS}->{'probstatus'}"; 5184: </defaultvalue> 5185: <choice computer="problem">Homework Problem</choice> 5186: <choice computer="exam">Bubblesheet Exam Problem</choice> 5187: <choice computer="survey">Survey question</choice> 5188: ,choice computer="anonsurvey"Anonymous survey question</choice> 5189: </dropdown> 5190: PROBTYPE 5191: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 5192: &addMessage(&Apache::lonhtmlcommon::row_closure(1)); 5193: 5194: 5195: 5196: } 5197: } 5198: 5199: 5200: 5201: 5202: if ($startedTable) { 5203: &addMessage(&Apache::lonhtmlcommon::end_pick_box()); 5204: } 5205: 5206: Apache::lonprintout::page_format_state->new("FORMAT"); 5207: 5208: # Generate the PAGESIZE state which will offer the user the margin 5209: # choices if they select one column 5210: Apache::lonhelper::state->new("PAGESIZE", "Set Margins"); 5211: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL'); 5212: 5213: 5214: $helper->process(); 5215: 5216: 5217: # MANUAL BAILOUT CONDITION: 5218: # If we're in the "final" state, bailout and return to handler 5219: if ($helper->{STATE} eq 'FINAL') { 5220: return $helper; 5221: } 5222: 5223: my $footer; 5224: if ($helper->{STATE} eq 'START') { 5225: my $prtspool=$r->dir_config('lonPrtDir'); 5226: $footer = &recently_generated($prtspool); 5227: } 5228: $r->print($helper->display($footer)); 5229: &Apache::lonhelper::unregisterHelperTags(); 5230: 5231: return OK; 5232: } 5233: 5234: 5235: 1; 5236: 5237: package Apache::lonprintout::page_format_state; 5238: 5239: =pod 5240: 5241: =head1 Helper element: page_format_state 5242: 5243: See lonhelper.pm documentation for discussion of the helper framework. 5244: 5245: Apache::lonprintout::page_format_state is an element that gives the 5246: user an opportunity to select the page layout they wish to print 5247: with: Number of columns, portrait/landscape, and paper size. If you 5248: want to change the paper size choices, change the @paperSize array 5249: contents in this package. 5250: 5251: page_format_state is always directly invoked in lonprintout.pm, so there 5252: is no tag interface. You actually pass parameters to the constructor. 5253: 5254: =over 4 5255: 5256: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 5257: 5258: =back 5259: 5260: =cut 5261: 5262: use Apache::lonhelper; 5263: 5264: no strict; 5265: @ISA = ("Apache::lonhelper::element"); 5266: use strict; 5267: use Apache::lonlocal; 5268: use Apache::lonnet; 5269: 5270: my $maxColumns = 2; 5271: # it'd be nice if these all worked 5272: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 5273: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]", 5274: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 5275: # "a5 [148x210 mm]", "a6 [105x148 mm]" ); 5276: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 5277: "a4 [210x297 mm]"); 5278: 5279: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum | 5280: # Paper type 5281: 5282: sub new { 5283: my $self = Apache::lonhelper::element->new(); 5284: 5285: shift; 5286: 5287: $self->{'variable'} = shift; 5288: my $helper = Apache::lonhelper::getHelper(); 5289: $helper->declareVar($self->{'variable'}); 5290: bless($self); 5291: return $self; 5292: } 5293: 5294: sub render { 5295: my $self = shift; 5296: my $helper = Apache::lonhelper::getHelper(); 5297: my $result = ''; 5298: my $var = $self->{'variable'}; 5299: my $PageLayout=&mt('Page layout'); 5300: my $NumberOfColumns=&mt('Number of columns'); 5301: my $PaperType=&mt('Paper type'); 5302: my $landscape=&mt('Landscape'); 5303: my $portrait=&mt('Portrait'); 5304: my $pdfFormLabel=&mt('PDF Form Fields'); 5305: my $with=&mt('with Form Fields'); 5306: my $without=&mt('without Form Fields'); 5307: 5308: 5309: $result.='<h3>'.&mt('Layout Options').'</h3>' 5310: .&Apache::loncommon::start_data_table() 5311: .&Apache::loncommon::start_data_table_header_row() 5312: .'<th>'.$PageLayout.'</th>' 5313: .'<th>'.$NumberOfColumns.'</th>' 5314: .'<th>'.$PaperType.'</th>' 5315: .'<th>'.$pdfFormLabel.'</th>' 5316: .&Apache::loncommon::end_data_table_header_row() 5317: .&Apache::loncommon::start_data_table_row() 5318: .'<td>' 5319: .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />' 5320: .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>' 5321: .'</td>'; 5322: 5323: $result.='<td align="center">' 5324: .'<select name="'.${var}.'.cols">'; 5325: 5326: my $i; 5327: for ($i = 1; $i <= $maxColumns; $i++) { 5328: if ($i == 2) { 5329: $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n"; 5330: } else { 5331: $result .= '<option value="'.$i.'">'.$i.'</option>'."\n"; 5332: } 5333: } 5334: 5335: $result .= "</select></td><td>\n"; 5336: $result .= "<select name='${var}.paper'>\n"; 5337: 5338: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'}); 5339: my $DefaultPaperSize=lc($parmhash{'default_paper_size'}); 5340: $DefaultPaperSize=~s/\s//g; 5341: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';} 5342: $i = 0; 5343: foreach (@paperSize) { 5344: $_=~/(\w+)/; 5345: my $papersize=$1; 5346: if ($paperSize[$i]=~/$DefaultPaperSize/) { 5347: $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n"; 5348: } else { 5349: $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n"; 5350: } 5351: $i++; 5352: } 5353: $result .= <<HTML; 5354: </select> 5355: </td> 5356: <td align='center'> 5357: <select name='${var}.pdfFormFields'> 5358: <option selected="selected" value="no">$without</option> 5359: <option value="yes">$with</option> 5360: </select> 5361: </td> 5362: HTML 5363: $result.=&Apache::loncommon::end_data_table_row() 5364: .&Apache::loncommon::end_data_table(); 5365: 5366: return $result; 5367: } 5368: 5369: sub postprocess { 5370: my $self = shift; 5371: 5372: my $var = $self->{'variable'}; 5373: my $helper = Apache::lonhelper->getHelper(); 5374: $helper->{VARS}->{$var} = 5375: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' . 5376: $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"}; 5377: return 1; 5378: } 5379: 5380: 1; 5381: 5382: package Apache::lonprintout::page_size_state; 5383: 5384: =pod 5385: 5386: =head1 Helper element: page_size_state 5387: 5388: See lonhelper.pm documentation for discussion of the helper framework. 5389: 5390: Apache::lonprintout::page_size_state is an element that gives the 5391: user the opportunity to further refine the page settings if they 5392: select a single-column page. 5393: 5394: page_size_state is always directly invoked in lonprintout.pm, so there 5395: is no tag interface. You actually pass parameters to the constructor. 5396: 5397: =over 4 5398: 5399: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 5400: 5401: =back 5402: 5403: =cut 5404: 5405: use Apache::lonhelper; 5406: use Apache::lonnet; 5407: no strict; 5408: @ISA = ("Apache::lonhelper::element"); 5409: use strict; 5410: 5411: 5412: 5413: sub new { 5414: my $self = Apache::lonhelper::element->new(); 5415: 5416: shift; # disturbs me (probably prevents subclassing) but works (drops 5417: # package descriptor)... - Jeremy 5418: 5419: $self->{'variable'} = shift; 5420: my $helper = Apache::lonhelper::getHelper(); 5421: $helper->declareVar($self->{'variable'}); 5422: 5423: # The variable name of the format element, so we can look into 5424: # $helper->{VARS} to figure out whether the columns are one or two 5425: $self->{'formatvar'} = shift; 5426: 5427: 5428: $self->{NEXTSTATE} = shift; 5429: bless($self); 5430: 5431: return $self; 5432: } 5433: 5434: sub render { 5435: my $self = shift; 5436: my $helper = Apache::lonhelper::getHelper(); 5437: my $result = ''; 5438: my $var = $self->{'variable'}; 5439: 5440: 5441: 5442: if (defined $self->{ERROR_MSG}) { 5443: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />'; 5444: } 5445: 5446: my $format = $helper->{VARS}->{$self->{'formatvar'}}; 5447: 5448: # Use format to get sensible defaults for the margins: 5449: 5450: 5451: my ($laystyle, $cols, $papersize) = split(/\|/, $format); 5452: ($papersize) = split(/ /, $papersize); 5453: 5454: $laystyle = &Apache::lonprintout::map_laystyle($laystyle); 5455: 5456: 5457: 5458: my %size; 5459: ($size{'width_and_units'}, 5460: $size{'height_and_units'}, 5461: $size{'margin_and_units'})= 5462: &Apache::lonprintout::page_format($papersize, $laystyle, $cols); 5463: 5464: foreach my $dimension ('width','height','margin') { 5465: ($size{$dimension},$size{$dimension.'_unit'}) = 5466: split(/ +/, $size{$dimension.'_and_units'},2); 5467: 5468: foreach my $unit ('cm','in') { 5469: $size{$dimension.'_options'} .= '<option '; 5470: if ($size{$dimension.'_unit'} eq $unit) { 5471: $size{$dimension.'_options'} .= 'selected="selected" '; 5472: } 5473: $size{$dimension.'_options'} .= '>'.$unit.'</option>'; 5474: } 5475: } 5476: 5477: # Adjust margin for LaTeX margin: .. requires units == cm or in. 5478: 5479: if ($size{'margin_unit'} eq 'in') { 5480: $size{'margin'} += 1; 5481: } else { 5482: $size{'margin'} += 2.54; 5483: } 5484: my %lt = &Apache::lonlocal::texthash( 5485: 'format' => 'How should each column be formatted?', 5486: 'width' => 'Width', 5487: 'height' => 'Height', 5488: 'margin' => 'Left Margin' 5489: ); 5490: 5491: $result .= '<p>'.$lt{'format'}.'</p>' 5492: .&Apache::lonhtmlcommon::start_pick_box() 5493: .&Apache::lonhtmlcommon::row_title($lt{'width'}) 5494: .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />' 5495: .'<select name="'.$var.'.widthunit">' 5496: .$size{'width_options'} 5497: .'</select>' 5498: .&Apache::lonhtmlcommon::row_closure() 5499: .&Apache::lonhtmlcommon::row_title($lt{'height'}) 5500: .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />' 5501: .'<select name="'.$var.'.heightunit">' 5502: .$size{'height_options'} 5503: .'</select>' 5504: .&Apache::lonhtmlcommon::row_closure() 5505: .&Apache::lonhtmlcommon::row_title($lt{'margin'}) 5506: .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />' 5507: .'<select name="'.$var.'.lmarginunit">' 5508: .$size{'margin_options'} 5509: .'</select>' 5510: .&Apache::lonhtmlcommon::row_closure(1) 5511: .&Apache::lonhtmlcommon::end_pick_box(); 5512: # <p>Hint: Some instructors like to leave scratch space for the student by 5513: # making the width much smaller than the width of the page.</p> 5514: 5515: return $result; 5516: } 5517: 5518: 5519: sub preprocess { 5520: my $self = shift; 5521: my $helper = Apache::lonhelper::getHelper(); 5522: 5523: my $format = $helper->{VARS}->{$self->{'formatvar'}}; 5524: 5525: # If the user does not have 'pav' privilege, set default widths and 5526: # on to the next state right away. 5527: # 5528: if (!$perm{'pav'}) { 5529: my $var = $self->{'variable'}; 5530: my $format = $helper->{VARS}->{$self->{'formatvar'}}; 5531: 5532: my ($laystyle, $cols, $papersize) = split(/\|/, $format); 5533: ($papersize) = split(/ /, $papersize); 5534: 5535: 5536: $laystyle = &Apache::lonprintout::map_laystyle($laystyle); 5537: 5538: # Figure out some good defaults for the print out and set them: 5539: 5540: my %size; 5541: ($size{'width'}, 5542: $size{'height'}, 5543: $size{'lmargin'})= 5544: &Apache::lonprintout::page_format($papersize, $laystyle, $cols); 5545: 5546: foreach my $dim ('width', 'height', 'lmargin') { 5547: my ($value, $units) = split(/ /, $size{$dim}); 5548: 5549: $helper->{VARS}->{"$var.".$dim} = $value; 5550: $helper->{VARS}->{"$var.".$dim.'unit'} = $units; 5551: 5552: } 5553: 5554: 5555: # Transition to the next state 5556: 5557: $helper->changeState($self->{NEXTSTATE}); 5558: } 5559: 5560: return 1; 5561: } 5562: 5563: sub postprocess { 5564: my $self = shift; 5565: 5566: my $var = $self->{'variable'}; 5567: my $helper = Apache::lonhelper->getHelper(); 5568: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 5569: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 5570: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 5571: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 5572: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 5573: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 5574: 5575: my $error = ''; 5576: 5577: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 5578: # by an optional period, followed by digits, ending the string 5579: 5580: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) { 5581: $error .= "Invalid width; please type only a number.<br />\n"; 5582: } 5583: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) { 5584: $error .= "Invalid height; please type only a number.<br />\n"; 5585: } 5586: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) { 5587: $error .= "Invalid left margin; please type only a number.<br />\n"; 5588: } else { 5589: # Adjust for LaTeX 1.0 inch margin: 5590: 5591: if ($env{"form.${var}.lmarginunit"} eq "in") { 5592: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1; 5593: } else { 5594: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54; 5595: } 5596: } 5597: 5598: if (!$error) { 5599: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE}); 5600: return 1; 5601: } else { 5602: $self->{ERROR_MSG} = $error; 5603: return 0; 5604: } 5605: } 5606: 5607: __END__ 5608: