loncom/interface/lonprintout.pm - view

File: [LON-CAPA] / loncom / interface / lonprintout.pm
Revision 1.575.2.1: download - view: text, annotated - select for diffs
Mon May 10 10:21:24 2010 UTC (14 years, 4 months ago) by foxr
Branches: PRINT_INCOMPLETE
Diff to branchpoint 1.575: preferred, unified

Run through perl tidy to try to get some nicely formatted stuff.

1: # 2: # The LearningOnline Network 3: # Printout 4: # 5: # $Id: lonprintout.pm,v 1.575.2.1 2010/05/10 10:21:24 foxr Exp $ 6: # 7: # Copyright Michigan State University Board of Trustees 8: # 9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 10: # 11: # LON-CAPA is free software; you can redistribute it and/or modify 12: # it under the terms of the GNU General Public License as published by 13: # the Free Software Foundation; either version 2 of the License, or 14: # (at your option) any later version. 15: # 16: # LON-CAPA is distributed in the hope that it will be useful, 17: # but WITHOUT ANY WARRANTY; without even the implied warranty of 18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19: # GNU General Public License for more details. 20: # 21: # You should have received a copy of the GNU General Public License 22: # along with LON-CAPA; if not, write to the Free Software 23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 24: # 25: # /home/httpd/html/adm/gpl.txt 26: # http://www.lon-capa.org/ 27: # 28: # 29: package Apache::lonprintout; 30: use strict; 31: use Apache::Constants qw(:common :http); 32: use Apache::lonxml; 33: use Apache::lonnet; 34: use Apache::loncommon; 35: use Apache::inputtags; 36: use Apache::grades; 37: use Apache::edit; 38: use Apache::File(); 39: use Apache::lonnavmaps; 40: use Apache::admannotations; 41: use Apache::lonenc; 42: use Apache::entities; 43: use Apache::londefdef; 44: 45: use File::Basename; 46: 47: use HTTP::Response; 48: 49: use LONCAPA::map(); 50: use POSIX qw(strftime); 51: use Apache::lonlocal; 52: use Carp; 53: use LONCAPA; 54: 55: my %perm; 56: my %parmhash; 57: my $resources_printed; 58: 59: # Global variables that describe errors in ssi calls detected by ssi_with_retries. 60: # 61: 62: my $ssi_error; # True if there was an ssi error. 63: my $ssi_last_error_resource; # The resource URI that could not be fetched. 64: my $ssi_last_error 65: ; # The error text from the server. (e.g. 500 Server timed out). 66: 67: # 68: # Our ssi max retry count. 69: # 70: 71: my $ssi_retry_count = 5; # Some arbitrary value. 72: 73: # Font size: 74: 75: my $font_size = 'normalsize'; # Default is normalsize... 76: 77: #---------------------------- Helper helpers. ------------------------- 78: 79: # Returns the text needd for a student chooser. 80: # that text must still be parsed by the helper xml parser. 81: # Parameters: 82: # this_state - State name of the chooser. 83: # sort_choice - variable to hold the sorting choice. 84: # variable - Name of variable to hold students. 85: # next_state - State after chooser. 86: 87: sub generate_student_chooser { 88: my ( $this_state, $sort_choice, $variable, $next_state ) = @_; 89: my $result = <<CHOOSE_STUDENTS; 90: <state name="$this_state" title="Select Students and Resources"> 91: <message><b>Select sorting order of printout</b> </message> 92: 93: <choices variable="$sort_choice"> 94: <choice computer='0'>Sort by section then student</choice> 95: <choice computer='1'>Sort by students across sections.</choice> 96: </choices> 97: 98: <message><br /><hr /><br /> </message> 99: <student multichoice='1' 100: variable="$variable" 101: nextstate="$next_state" 102: coursepersonnel="1" /> 103: </state> 104: 105: CHOOSE_STUDENTS 106: 107: return $result; 108: } 109: 110: # Generate the text needed for a resource chooser given the top level of 111: # the sequence/page 112: # 113: # Parameters: 114: # this_state - State name of the chooser. 115: # prompt_text - Text to use to prompt user. 116: # resource_options - Resource tag options e.g. 117: # "multichoice='1', toponly='1', addstatus='1'" 118: # that control the selection and appearance of the 119: # resource selector. 120: # variable - Name of the variable to hold the choice 121: # next_state - Name of the next state the helper should transition 122: # to 123: # top_url - Top level URL within which to make the selector. 124: # If empty the top level sequence is shown. 125: # filter - How to filter the resources. 126: # value_func - <valuefunc> function. 127: # choice_func - If not empty generates a <choicefunc> with this function. 128: # start_new_option 129: # - Fragment appended after valuefunc. 130: # 131: # 132: sub generate_resource_chooser { 133: my ( 134: $this_state, $prompt_text, $resource_options, 135: $variable, $next_state, $top_url, 136: $filter, $choice_func, $value_func, 137: $start_new_option 138: ) = @_; 139: 140: my $result = <<CHOOSE_RESOURCES; 141: <state name="$this_state" title="$prompt_text"> 142: <resource variable="$variable" $resource_options 143: closeallpages="1"> 144: <nextstate>$next_state</nextstate> 145: <filterfunc>return $filter;</filterfunc> 146: CHOOSE_RESOURCES 147: if ( $choice_func ne '' ) { 148: $result .= "<choicefunc>return $choice_func;</choicefunc>"; 149: } 150: if ( $top_url ne '' ) { 151: $result .= "<mapurl>$top_url</mapurl>"; 152: } 153: $result .= <<CHOOSE_RESOURCES; 154: <valuefunc>return $value_func;</valuefunc> 155: $start_new_option 156: </resource> 157: </state> 158: CHOOSE_RESOURCES 159: 160: return $result; 161: } 162: 163: # 164: # Generate the helper XML for a code choice helper dialog: 165: # 166: # Paramters: 167: # $helper - Reference to the helper. 168: # $state - Name of the state for the chooser. 169: # $next_state - Name fo the state to follow the chooser. 170: # $bubble_types - Populates the bubble sheet type dropt down. 171: # $code_selections - Provides set of code choices that have been used 172: # $saved_codes - Provides the list of saved codes. 173: # 174: # Returns; 175: # The Xml of the code chooser. 176: # 177: sub generate_code_selector { 178: my ( $helper, $state, $next_state, $bubble_types, $code_selections, 179: $saved_codes ) 180: = @_; # Unpack the parameters. 181: 182: my $result = <<CHOOSE_ANON1; 183: <state name="$state" title="Specify CODEd Assignments"> 184: <nextstate>$next_state</nextstate> 185: <message><h4>Fill out one of the forms below</h4></message> 186: <message><br /><hr /> <br /></message> 187: <message><h3>Generate new CODEd Assignments</h3></message> 188: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message> 189: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"> 190: <validator> 191: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && 192: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 193: !\$helper->{'VARS'}{'SINGLE_CODE'} && 194: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 195: return "You need to specify the number of assignments to print"; 196: } 197: return undef; 198: </validator> 199: </string> 200: <message></td></tr><tr><td></message> 201: <message><b>Names to save the CODEs under for later:</b></message> 202: <message></td><td></message> 203: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> 204: <message></td></tr><tr><td></message> 205: <message><b>Bubble sheet type:</b></message> 206: <message></td><td></message> 207: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0"> 208: $bubble_types 209: </dropdown> 210: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message> 211: <message></td></tr><tr><td></table></message> 212: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message> 213: <message><tr><td><b>Enter a CODE to print:</b></td><td></message> 214: <string variable="SINGLE_CODE" size="10"> 215: <validator> 216: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && 217: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 218: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 219: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, 220: \$helper->{'VARS'}{'CODE_OPTION'}); 221: } else { 222: return undef; # Other forces control us. 223: } 224: </validator> 225: </string> 226: <message></td></tr><tr><td></message> 227: $code_selections 228: <message></td></tr></table></message> 229: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message> 230: <message><b>Select saved CODEs:</b></message> 231: <message></td><td></message> 232: <dropdown variable="REUSE_OLD_CODES"> 233: $saved_codes 234: </dropdown> 235: <message></td></tr></table></message> 236: </state> 237: CHOOSE_ANON1 238: 239: return $result; 240: } 241: 242: #----------------------------------------------------------------------- 243: 244: # Fetch the contents of a resource, uninterpreted. 245: # This is used here to fetch a latex file to be included 246: # verbatim into the printout< 247: # NOTE: Ask Guy if there is a lonnet function similar to this? 248: # 249: # Parameters: 250: # URL of the file 251: # 252: sub fetch_raw_resource { 253: my ($url) = @_; 254: 255: my $filename = &Apache::lonnet::filelocation( "", $url ); 256: my $contents = &Apache::lonnet::getfile($filename); 257: 258: if ( $contents == -1 ) { 259: return "File open failed for $filename"; # This will bomb the print. 260: } 261: return $contents; 262: 263: } 264: 265: # Fetch the annotations associated with a URL and 266: # put a centered 'annotations:' title. 267: # This is all suppressed if the annotations are empty. 268: # 269: sub annotate { 270: my ($symb) = @_; 271: 272: my $annotation_text = &Apache::loncommon::get_annotation( $symb, 1 ); 273: 274: my $result = ""; 275: 276: if ( length($annotation_text) > 0 ) { 277: $result .= 278: '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ '; 279: $result .= "\n"; 280: $result .= 281: &Apache::lonxml::latex_special_symbols( $annotation_text, "" ) 282: ; # Escape latex. 283: $result .= "\n\n"; 284: } 285: return $result; 286: } 287: 288: # 289: # Set a global document font size: 290: # This is done by replacing \begin{document} 291: # with \begin{document}{\some-font-directive 292: # and \end{document} with 293: # }\end{document 294: # 295: sub set_font_size { 296: 297: my ($text) = @_; 298: 299: # There appear to be cases where the font directive is empty.. in which 300: # case the first substituion would insert a spurious \ oh happy day. 301: # as this has been the cause of much mystery and hair pulling _sigh_ 302: 303: if ( $font_size ne '' ) { 304: 305: $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/; 306: } 307: $text =~ s/\\end{document}/}\\end{document}/; 308: return $text; 309: 310: } 311: 312: # include_pdf - PDF files are included into the 313: # output as follows: 314: # - The PDF, if necessary, is replicated. 315: # - The PDF is added to the list of files to convert to postscript (along with the images). 316: # - The LaTeX is added to include the final converted postscript in the file as an included 317: # job. The assumption is that the includedpsheader.ps header will be included. 318: # 319: # Parameters: 320: # pdf_uri - URI of the PDF file to include. 321: # 322: # Returns: 323: # The LaTeX to include. 324: # 325: # Assumptions: 326: # The uri is actually a PDF file 327: # The postscript will have the includepsheader.ps included. 328: # 329: # 330: sub include_pdf { 331: my ($pdf_uri) = @_; 332: 333: # Where is the file? If not local we'll need to repcopy it:' 334: 335: my $file = &Apache::lonnet::filelocation( '', $pdf_uri ); 336: if ( !-e $file ) { 337: &Apache::lonnet::repcopy($file); 338: $file = &Apache::lonnet::filelocation( '', $pdf_uri ); 339: } 340: 341: # The file isn ow replicated locally.. or it did not exist in the first place 342: # (unlikely). If it did exist, add the pdf to the set of files/images that 343: # need tob e converted for this print job: 344: 345: $file =~ s|(.*)/res/|/home/httpd/html/res/|; 346: 347: open( FILE, 348: ">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat" 349: ); 350: print FILE ("$file\n"); 351: close(FILE); 352: 353: # Construct the special to put out. To do this we need to get the 354: # resulting filename after conversion. The file will have the same name 355: # but will be in the user's spool directory with converted images. 356: 357: my $dirname = "/home/httpd/prtspool/$env{'user.name'}/"; 358: my ( $base, $path, $ext ) = &fileparse( $file, '.pdf' ); 359: 360: # my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl 361: $base =~ s/ /\_/g; 362: 363: my $output = &print_latex_header(); 364: $output .= 365: '\special{ps: _begin_job_ (' . $base . '.pdf.eps' . ')run _end_job_}'; 366: 367: return $output; 368: 369: } 370: 371: # 372: # ssi_with_retries- Does the server side include of a resource. 373: # if the ssi call returns an error we'll retry it up to 374: # the number of times requested by the caller. 375: # If we still have a proble, no text is appended to the 376: # output and we set some global variables. 377: # to indicate to the caller an SSI error occurred. 378: # All of this is supposed to deal with the issues described 379: # in LonCAPA BZ 5631 see: 380: # http://bugs.lon-capa.org/show_bug.cgi?id=5631 381: # by informing the user that this happened. 382: # 383: # Parameters: 384: # resource - The resource to include. This is passed directly, without 385: # interpretation to lonnet::ssi. 386: # form - The form hash parameters that guide the interpretation of the resource 387: # 388: # retries - Number of retries allowed before giving up completely. 389: # Returns: 390: # On success, returns the rendered resource identified by the resource parameter. 391: # Side Effects: 392: # The following global variables can be set: 393: # ssi_error - If an unrecoverable error occurred this becomes true. 394: # It is up to the caller to initialize this to false 395: # if desired. 396: # ssi_last_error_resource - If an unrecoverable error occurred, this is the value 397: # of the resource that could not be rendered by the ssi 398: # call. 399: # ssi_last_error - The error string fetched from the ssi response 400: # in the event of an error. 401: # 402: sub ssi_with_retries { 403: my ( $resource, $retries, %form ) = @_; 404: 405: my $target = $form{'grade_target'}; 406: my $aom = $form{'answer_output_mode'}; 407: 408: my ( $content, $response ) = 409: &Apache::loncommon::ssi_with_retries( $resource, $retries, %form ); 410: if ( !$response->is_success ) { 411: $ssi_error = 1; 412: $ssi_last_error_resource = $resource; 413: $ssi_last_error = $response->code . " " . $response->message; 414: $content = '\section*{!!! An error occurred !!!}'; 415: &Apache::lonnet::logthis( 416: "Error in SSI resource: $resource Error: $ssi_last_error"); 417: } 418: 419: return $content; 420: 421: } 422: 423: sub get_student_view_with_retries { 424: my ( 425: $curresline, $retries, $username, $userdomain, 426: $courseid, $target, $moreenv 427: ) = @_; 428: 429: my ( $content, $response ) = 430: &Apache::loncommon::get_student_view_with_retries( 431: $curresline, $retries, $username, $userdomain, 432: $courseid, $target, $moreenv 433: ); 434: if ( !$response->is_success ) { 435: $ssi_error = 1; 436: $ssi_last_error_resource = 437: $curresline . ' for user ' . $username . ':' . $userdomain; 438: $ssi_last_error = $response->code . " " . $response->message; 439: $content = '\section*{!!! An error occurred !!!}'; 440: &Apache::lonnet::logthis( 441: "Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain" 442: ); 443: } 444: return $content; 445: 446: } 447: 448: # 449: # printf_style_subst item format_string repl 450: # 451: # Does printf style substitution for a format string that 452: # can have %[n]item in it.. wherever, %[n]item occurs, 453: # rep is substituted in format_string. Note that 454: # [n] is an optional integer length. If provided, 455: # repl is truncated to at most [n] characters prior to 456: # substitution. 457: # 458: sub printf_style_subst { 459: my ( $item, $format_string, $repl ) = @_; 460: my $result = ""; 461: while ( $format_string =~ /(%)(\d*)\Q$item\E/g ) { 462: my $fmt = $1; 463: my $size = $2; 464: my $subst = $repl; 465: if ( $size ne "" ) { 466: $subst = substr( $subst, 0, $size ); 467: 468: # Here's a nice edge case.. supose the end of the 469: # substring is a \. In that case may have just 470: # chopped off a TeX escape... in that case, we append 471: # " " for the trailing character, and let the field 472: # spill over a bit (sigh). 473: # We don't just chop off the last character in order to deal 474: # with one last pathology, and that would be if substr had 475: # trimmed us to e.g. \\\ 476: 477: if ( $subst =~ /\\$/ ) { 478: $subst .= " "; 479: } 480: } 481: my $item_pos = pos($format_string); 482: $result .= 483: substr( $format_string, 0, $item_pos - length($size) - 2 ) . $subst; 484: $format_string = substr( $format_string, pos($format_string) ); 485: } 486: 487: # Put the residual format string into the result: 488: 489: $result .= $format_string; 490: 491: return $result; 492: } 493: 494: # Format a header according to a format. 495: # 496: 497: # Substitutions: 498: # %a - Assignment name. 499: # %c - Course name. 500: # %n - Student name. 501: # %s - The section if it is supplied. 502: # 503: sub format_page_header { 504: my ( $width, $format, $assignment, $course, $student, $section ) = @_; 505: 506: $width = &recalcto_mm($width); # Get width in mm. 507: my $chars_per_line = int( $width / 1.6 ); # Character/textline. 508: 509: # Default format? 510: 511: if ( $format eq '' ) { 512: 513: # For the default format, we may need to truncate 514: # elements.. To do this we need to get the page width. 515: # we assume that each character is about 2mm in width. 516: # (correct for the header text size??). We ignore 517: # any formatting (e.g. boldfacing in this). 518: # 519: # - Allow the student/course to be one line. 520: # but only truncate the course. 521: # - Allow the assignment to be 2 lines (wrapped). 522: # 523: 524: my $name_length = int( $chars_per_line * 3 / 4 ); 525: my $sec_length = int( $chars_per_line / 5 ); 526: 527: $format = "%$name_length" . 'n'; 528: 529: if ($section) { 530: $format .= ' - Sec: ' . "%$sec_length" . 's'; 531: } 532: 533: $format .= '\\\\%c \\\\ %a'; 534: 535: } 536: 537: # An open question is how to handle long user formatted page headers... 538: # A possible future is to support e.g. %na so that the user can control 539: # the truncation of the elements that can appear in the header. 540: # 541: $format = &printf_style_subst( "a", $format, $assignment ); 542: $format = &printf_style_subst( "c", $format, $course ); 543: $format = &printf_style_subst( "n", $format, $student ); 544: $format = &printf_style_subst( "s", $format, $section ); 545: 546: # If the user put %'s in the format string, they must be escaped 547: # to \% else LaTeX will think they are comments and terminate 548: # the line.. which is bad!!! 549: 550: # If the user has role author, $course and $assignment are empty so 551: # there is '\\ \\ ' in the page header. That's cause a error in LaTeX 552: if ( $format =~ /\\\\\s\\\\\s/ ) { 553: 554: #TODO find sensible caption for page header 555: my $testPrintout = 556: '\\\\' . &mt('Construction Space') . ' \\\\' . &mt('Test-Printout '); 557: $format =~ s/\\\\\s\\\\\s/$testPrintout/; 558: } 559: 560: # 561: # We're going to trust LaTeX to break lines appropriately, but 562: # we'll truncate anything that's more than 3 lines worth of 563: # text. This is also assuming (which will probably end badly) 564: # nobody's going to embed LaTeX control sequences in the title 565: # header or rather that those control sequences won't get broken 566: # by the stuff below. 567: # 568: my $total_length = 3 * $chars_per_line; 569: if ( length($format) > $total_length ) { 570: $format = substr( $format, 0, $total_length ); 571: } 572: 573: return $format; 574: 575: } 576: 577: # 578: # Convert a numeric code to letters 579: # 580: sub num_to_letters { 581: my ($num) = @_; 582: my @nums = split( '', $num ); 583: my @num_to_let = ( 'A' .. 'Z' ); 584: my $word; 585: foreach my $digit (@nums) { $word .= $num_to_let[$digit]; } 586: return $word; 587: } 588: 589: # Convert a letter code to numeric. 590: # 591: sub letters_to_num { 592: my ($letters) = @_; 593: my @letters = split( '', uc($letters) ); 594: my %substitution; 595: my $digit = 0; 596: foreach my $letter ( 'A' .. 'J' ) { 597: $substitution{$letter} = $digit; 598: $digit++; 599: } 600: 601: # The substitution is done as below to preserve leading 602: # zeroes which are needed to keep the code size exact 603: # 604: my $result = ""; 605: foreach my $letter (@letters) { 606: $result .= $substitution{$letter}; 607: } 608: return $result; 609: } 610: 611: # Determine if a code is a valid numeric code. Valid 612: # numeric codes must be comprised entirely of digits and 613: # have a correct number of digits. 614: # 615: # Parameters: 616: # value - proposed code value. 617: # num_digits - Number of digits required. 618: # 619: sub is_valid_numeric_code { 620: my ( $value, $num_digits ) = @_; 621: 622: # Remove leading/trailing whitespace; 623: $value =~ s/^\s*//g; 624: $value =~ s/\s*$//g; 625: 626: # All digits? 627: if ( $value !~ /^[0-9]+$/ ) { 628: return 629: "Numeric code $value has invalid characters - must only be digits"; 630: } 631: if ( length($value) != $num_digits ) { 632: return 633: "Numeric code $value incorrect number of digits (correct = $num_digits)"; 634: } 635: return undef; 636: } 637: 638: # Determines if a code is a valid alhpa code. Alpha codes 639: # are ciphers that map [A-J,a-j] -> 0..9 0..9. 640: # They also have a correct digit count. 641: # Parameters: 642: # value - Proposed code value. 643: # num_letters - correct number of letters. 644: # Note: 645: # leading and trailing whitespace are ignored. 646: # 647: sub is_valid_alpha_code { 648: my ( $value, $num_letters ) = @_; 649: 650: # strip leading and trailing spaces. 651: 652: $value =~ s/^\s*//g; 653: $value =~ s/\s*$//g; 654: 655: # All alphas in the right range? 656: if ( $value !~ /^[A-J,a-j]+$/ ) { 657: return "Invalid letter code $value must only contain A-J"; 658: } 659: if ( length($value) != $num_letters ) { 660: return 661: "Letter code $value has incorrect number of letters (correct = $num_letters)"; 662: } 663: return undef; 664: } 665: 666: # Determine if a code entered by the user in a helper is valid. 667: # valid depends on the code type and the type of code selected. 668: # The type of code selected can either be numeric or 669: # Alphabetic. If alphabetic, the code, in fact is a simple 670: # substitution cipher for the actual numeric code: 0->A, 1->B ... 671: # We'll be nice and be case insensitive for alpha codes. 672: # Parameters: 673: # code_value - the value of the code the user typed in. 674: # code_option - The code type selected from the set in the scantron format 675: # table. 676: # Returns: 677: # undef - The code is valid. 678: # other - An error message indicating what's wrong. 679: # 680: sub is_code_valid { 681: my ( $code_value, $code_option ) = @_; 682: my ( $code_type, $code_length ) = ( 'letter', 6 ); # defaults. 683: my @lines = &Apache::grades::get_scantronformat_file(); 684: foreach my $line (@lines) { 685: my ( $name, $type, $length ) = ( split( /:/, $line ) )[ 0, 2, 4 ]; 686: if ( $name eq $code_option ) { 687: $code_length = $length; 688: if ( $type eq 'number' ) { 689: $code_type = 'number'; 690: } 691: } 692: } 693: my $valid; 694: if ( $code_type eq 'number' ) { 695: return &is_valid_numeric_code( $code_value, $code_length ); 696: } 697: else { 698: return &is_valid_alpha_code( $code_value, $code_length ); 699: } 700: 701: } 702: 703: # Compare two students by name. The students are in the form 704: # returned by the helper: 705: # user:domain:section:last, first:status 706: # This is a helper function for the perl sort built-in therefore: 707: # Implicit Inputs: 708: # $a - The first element to compare (global) 709: # $b - The second element to compare (global) 710: # Returns: 711: # -1 - $a < $b 712: # 0 - $a == $b 713: # +1 - $a > $b 714: # Note that the initial comparison is done on the last names with the 715: # first names only used to break the tie. 716: # 717: # 718: sub compare_names { 719: 720: # First split the names up into the primary fields. 721: 722: my ( $u1, $d1, $s1, $n1, $stat1 ) = split( /:/, $a ); 723: my ( $u2, $d2, $s2, $n2, $stat2 ) = split( /:/, $b ); 724: 725: # Now split the last name and first name of each n: 726: # 727: 728: my ( $l1, $f1 ) = split( /,/, $n1 ); 729: my ( $l2, $f2 ) = split( /,/, $n2 ); 730: 731: # We don't bother to remove the leading/trailing whitespace from the 732: # firstname, unless the last names compare identical. 733: 734: if ( $l1 lt $l2 ) { 735: return -1; 736: } 737: if ( $l1 gt $l2 ) { 738: return 1; 739: } 740: 741: # Break the tie on the first name, but there are leading (possibly trailing 742: # whitespaces to get rid of first 743: # 744: $f1 =~ s/^\s+//; # Remove leading... 745: $f1 =~ s/\s+$//; # Trailing spaces from first 1... 746: 747: $f2 =~ s/^\s+//; 748: $f2 =~ s/\s+$//; # And the same for first 2... 749: 750: if ( $f1 lt $f2 ) { 751: return -1; 752: } 753: if ( $f1 gt $f2 ) { 754: return 1; 755: } 756: 757: # Must be the same name. 758: 759: return 0; 760: } 761: 762: sub latex_header_footer_remove { 763: my $text = shift; 764: $text =~ s/\\end{document}//; 765: $text =~ s/\\documentclass([^&]*)\\begin{document}//; 766: return $text; 767: } 768: 769: # 770: # If necessary, encapsulate text inside 771: # a minipage env. 772: # necessity is determined by the problem_split param. 773: # 774: sub encapsulate_minipage { 775: my ($text) = @_; 776: if ( !( $env{'form.problem.split'} =~ /yes/i ) ) { 777: $text = '\begin{minipage}{\textwidth}' . $text . '\end{minipage}'; 778: } 779: return $text; 780: } 781: 782: # 783: # The NUMBER_TO_PRINT and SPLIT_PDFS 784: # variables interact, this sub looks at these two parameters 785: # and comes up with a final value for NUMBER_TO_PRINT which can be: 786: # all - if SPLIT_PDFS eq 'all'. 787: # 1 - if SPLIT_PDFS eq 'oneper' 788: # section - if SPLIT_PDFS eq 'sections' 789: # <unchanged> - if SPLIT_PDFS eq 'usenumber' 790: # 791: sub adjust_number_to_print { 792: my $helper = shift; 793: 794: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'}; 795: 796: if ( $split_pdf eq 'all' ) { 797: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all'; 798: } 799: elsif ( $split_pdf eq 'oneper' ) { 800: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1; 801: } 802: elsif ( $split_pdf eq 'sections' ) { 803: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section'; 804: } 805: elsif ( $split_pdf eq 'usenumber' ) { 806: 807: # Unmodified. 808: } 809: else { 810: 811: # Error!!!! 812: 813: croak 814: "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print"; 815: 816: } 817: } 818: 819: sub character_chart { 820: my $result = shift; 821: return &Apache::entities::replace_entities($result); 822: } 823: 824: sub old_character_chart { 825: my $result = shift; 826: $result =~ s/&\#0?0?(7|9);//g; 827: $result =~ s/&\#0?(10|13);//g; 828: $result =~ s/&\#0?32;/ /g; 829: $result =~ s/&\#0?33;/!/g; 830: $result =~ s/&(\#0?34|quot);/\"/g; 831: $result =~ s/&\#0?35;/\\\#/g; 832: $result =~ s/&\#0?36;/\\\$/g; 833: $result =~ s/&\#0?37;/\\%/g; 834: $result =~ s/&(\#0?38|amp);/\\&/g; 835: $result =~ s/&\#(0?39|146);/\'/g; 836: $result =~ s/&\#0?40;/(/g; 837: $result =~ s/&\#0?41;/)/g; 838: $result =~ s/&\#0?42;/\*/g; 839: $result =~ s/&\#0?43;/\+/g; 840: $result =~ s/&\#(0?44|130);/,/g; 841: $result =~ s/&\#0?45;/-/g; 842: $result =~ s/&\#0?46;/\./g; 843: $result =~ s/&\#0?47;/\//g; 844: $result =~ s/&\#0?48;/0/g; 845: $result =~ s/&\#0?49;/1/g; 846: $result =~ s/&\#0?50;/2/g; 847: $result =~ s/&\#0?51;/3/g; 848: $result =~ s/&\#0?52;/4/g; 849: $result =~ s/&\#0?53;/5/g; 850: $result =~ s/&\#0?54;/6/g; 851: $result =~ s/&\#0?55;/7/g; 852: $result =~ s/&\#0?56;/8/g; 853: $result =~ s/&\#0?57;/9/g; 854: $result =~ s/&\#0?58;/:/g; 855: $result =~ s/&\#0?59;/;/g; 856: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g; 857: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g; 858: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g; 859: $result =~ s/&\#0?63;/\?/g; 860: $result =~ s/&\#0?65;/A/g; 861: $result =~ s/&\#0?66;/B/g; 862: $result =~ s/&\#0?67;/C/g; 863: $result =~ s/&\#0?68;/D/g; 864: $result =~ s/&\#0?69;/E/g; 865: $result =~ s/&\#0?70;/F/g; 866: $result =~ s/&\#0?71;/G/g; 867: $result =~ s/&\#0?72;/H/g; 868: $result =~ s/&\#0?73;/I/g; 869: $result =~ s/&\#0?74;/J/g; 870: $result =~ s/&\#0?75;/K/g; 871: $result =~ s/&\#0?76;/L/g; 872: $result =~ s/&\#0?77;/M/g; 873: $result =~ s/&\#0?78;/N/g; 874: $result =~ s/&\#0?79;/O/g; 875: $result =~ s/&\#0?80;/P/g; 876: $result =~ s/&\#0?81;/Q/g; 877: $result =~ s/&\#0?82;/R/g; 878: $result =~ s/&\#0?83;/S/g; 879: $result =~ s/&\#0?84;/T/g; 880: $result =~ s/&\#0?85;/U/g; 881: $result =~ s/&\#0?86;/V/g; 882: $result =~ s/&\#0?87;/W/g; 883: $result =~ s/&\#0?88;/X/g; 884: $result =~ s/&\#0?89;/Y/g; 885: $result =~ s/&\#0?90;/Z/g; 886: $result =~ s/&\#0?91;/[/g; 887: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g; 888: $result =~ s/&\#0?93;/]/g; 889: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g; 890: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g; 891: $result =~ s/&\#(0?96|145);/\`/g; 892: $result =~ s/&\#0?97;/a/g; 893: $result =~ s/&\#0?98;/b/g; 894: $result =~ s/&\#0?99;/c/g; 895: $result =~ s/&\#100;/d/g; 896: $result =~ s/&\#101;/e/g; 897: $result =~ s/&\#102;/f/g; 898: $result =~ s/&\#103;/g/g; 899: $result =~ s/&\#104;/h/g; 900: $result =~ s/&\#105;/i/g; 901: $result =~ s/&\#106;/j/g; 902: $result =~ s/&\#107;/k/g; 903: $result =~ s/&\#108;/l/g; 904: $result =~ s/&\#109;/m/g; 905: $result =~ s/&\#110;/n/g; 906: $result =~ s/&\#111;/o/g; 907: $result =~ s/&\#112;/p/g; 908: $result =~ s/&\#113;/q/g; 909: $result =~ s/&\#114;/r/g; 910: $result =~ s/&\#115;/s/g; 911: $result =~ s/&\#116;/t/g; 912: $result =~ s/&\#117;/u/g; 913: $result =~ s/&\#118;/v/g; 914: $result =~ s/&\#119;/w/g; 915: $result =~ s/&\#120;/x/g; 916: $result =~ s/&\#121;/y/g; 917: $result =~ s/&\#122;/z/g; 918: $result =~ s/&\#123;/\\{/g; 919: $result =~ s/&\#124;/\|/g; 920: $result =~ s/&\#125;/\\}/g; 921: $result =~ s/&\#126;/\~/g; 922: $result =~ s/&\#131;/\\textflorin /g; 923: $result =~ s/&\#132;/\"/g; 924: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g; 925: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g; 926: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g; 927: $result =~ s/&\#137;/\\textperthousand /g; 928: $result =~ s/&\#140;/{\\OE}/g; 929: $result =~ s/&\#147;/\`\`/g; 930: $result =~ s/&\#148;/\'\'/g; 931: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g; 932: $result =~ s/&(\#150|\#8211);/--/g; 933: $result =~ s/&\#151;/---/g; 934: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g; 935: $result =~ s/&\#153;/\\texttrademark /g; 936: $result =~ s/&\#156;/\\oe/g; 937: $result =~ s/&\#159;/\\\"Y/g; 938: $result =~ s/&(\#160|nbsp);/~/g; 939: $result =~ s/&(\#161|iexcl);/!\`/g; 940: $result =~ s/&(\#162|cent);/\\textcent /g; 941: $result =~ s/&(\#163|pound);/\\pounds /g; 942: $result =~ s/&(\#164|curren);/\\textcurrency /g; 943: $result =~ s/&(\#165|yen);/\\textyen /g; 944: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g; 945: $result =~ s/&(\#167|sect);/\\textsection /g; 946: $result =~ s/&(\#168|uml);/\\"\{\} /g; 947: $result =~ s/&(\#169|copy);/\\copyright /g; 948: $result =~ s/&(\#170|ordf);/\\textordfeminine /g; 949: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g; 950: $result =~ s/&(\#173|shy);/ - /g; 951: $result =~ s/&(\#174|reg);/\\textregistered /g; 952: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g; 953: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g; 954: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g; 955: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g; 956: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g; 957: $result =~ s/&(\#180|acute);/\\'\{\} /g; 958: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g; 959: $result =~ s/&(\#182|para);/\\P/g; 960: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g; 961: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g; 962: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g; 963: $result =~ s/&(\#186|ordm);/\\textordmasculine /g; 964: $result =~ s/&(\#188|frac14);/\\textonequarter /g; 965: $result =~ s/&(\#189|frac12);/\\textonehalf /g; 966: $result =~ s/&(\#190|frac34);/\\textthreequarters /g; 967: $result =~ s/&(\#191|iquest);/?\`/g; 968: $result =~ s/&(\#192|Agrave);/\\\`{A}/g; 969: $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 970: $result =~ s/&(\#194|Acirc);/\\^{A}/g; 971: $result =~ s/&(\#195|Atilde);/\\~{A}/g; 972: $result =~ s/&(\#196|Auml);/\\\"{A}/g; 973: $result =~ s/&(\#197|Aring);/{\\AA}/g; 974: $result =~ s/&(\#198|AElig);/{\\AE}/g; 975: $result =~ s/&(\#199|Ccedil);/\\c{c}/g; 976: $result =~ s/&(\#200|Egrave);/\\\`{E}/g; 977: $result =~ s/&(\#201|Eacute);/\\\'{E}/g; 978: $result =~ s/&(\#202|Ecirc);/\\^{E}/g; 979: $result =~ s/&(\#203|Euml);/\\\"{E}/g; 980: $result =~ s/&(\#204|Igrave);/\\\`{I}/g; 981: $result =~ s/&(\#205|Iacute);/\\\'{I}/g; 982: $result =~ s/&(\#206|Icirc);/\\^{I}/g; 983: $result =~ s/&(\#207|Iuml);/\\\"{I}/g; 984: $result =~ s/&(\#209|Ntilde);/\\~{N}/g; 985: $result =~ s/&(\#210|Ograve);/\\\`{O}/g; 986: $result =~ s/&(\#211|Oacute);/\\\'{O}/g; 987: $result =~ s/&(\#212|Ocirc);/\\^{O}/g; 988: $result =~ s/&(\#213|Otilde);/\\~{O}/g; 989: $result =~ s/&(\#214|Ouml);/\\\"{O}/g; 990: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g; 991: $result =~ s/&(\#216|Oslash);/{\\O}/g; 992: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g; 993: $result =~ s/&(\#218|Uacute);/\\\'{U}/g; 994: $result =~ s/&(\#219|Ucirc);/\\^{U}/g; 995: $result =~ s/&(\#220|Uuml);/\\\"{U}/g; 996: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g; 997: $result =~ s/&(\#223|szlig);/{\\ss}/g; 998: $result =~ s/&(\#224|agrave);/\\\`{a}/g; 999: $result =~ s/&(\#225|aacute);/\\\'{a}/g; 1000: $result =~ s/&(\#226|acirc);/\\^{a}/g; 1001: $result =~ s/&(\#227|atilde);/\\~{a}/g; 1002: $result =~ s/&(\#228|auml);/\\\"{a}/g; 1003: $result =~ s/&(\#229|aring);/{\\aa}/g; 1004: $result =~ s/&(\#230|aelig);/{\\ae}/g; 1005: $result =~ s/&(\#231|ccedil);/\\c{c}/g; 1006: $result =~ s/&(\#232|egrave);/\\\`{e}/g; 1007: $result =~ s/&(\#233|eacute);/\\\'{e}/g; 1008: $result =~ s/&(\#234|ecirc);/\\^{e}/g; 1009: $result =~ s/&(\#235|euml);/\\\"{e}/g; 1010: $result =~ s/&(\#236|igrave);/\\\`{i}/g; 1011: $result =~ s/&(\#237|iacute);/\\\'{i}/g; 1012: $result =~ s/&(\#238|icirc);/\\^{i}/g; 1013: $result =~ s/&(\#239|iuml);/\\\"{i}/g; 1014: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g; 1015: $result =~ s/&(\#241|ntilde);/\\~{n}/g; 1016: $result =~ s/&(\#242|ograve);/\\\`{o}/g; 1017: $result =~ s/&(\#243|oacute);/\\\'{o}/g; 1018: $result =~ s/&(\#244|ocirc);/\\^{o}/g; 1019: $result =~ s/&(\#245|otilde);/\\~{o}/g; 1020: $result =~ s/&(\#246|ouml);/\\\"{o}/g; 1021: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g; 1022: $result =~ s/&(\#248|oslash);/{\\o}/g; 1023: $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 1024: $result =~ s/&(\#250|uacute);/\\\'{u}/g; 1025: $result =~ s/&(\#251|ucirc);/\\^{u}/g; 1026: $result =~ s/&(\#252|uuml);/\\\"{u}/g; 1027: $result =~ s/&(\#253|yacute);/\\\'{y}/g; 1028: $result =~ s/&(\#255|yuml);/\\\"{y}/g; 1029: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g; 1030: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g; 1031: 1032: #Greek Alphabet 1033: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g; 1034: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g; 1035: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g; 1036: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g; 1037: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g; 1038: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g; 1039: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g; 1040: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g; 1041: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g; 1042: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g; 1043: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g; 1044: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g; 1045: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g; 1046: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g; 1047: $result =~ s/&(omicron|\#959);/o/g; 1048: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g; 1049: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g; 1050: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g; 1051: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g; 1052: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g; 1053: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g; 1054: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g; 1055: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g; 1056: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g; 1057: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g; 1058: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g; 1059: $result =~ s/&(Alpha|\#913);/A/g; 1060: $result =~ s/&(Beta|\#914);/B/g; 1061: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g; 1062: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g; 1063: $result =~ s/&(Epsilon|\#917);/E/g; 1064: $result =~ s/&(Zeta|\#918);/Z/g; 1065: $result =~ s/&(Eta|\#919);/H/g; 1066: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g; 1067: $result =~ s/&(Iota|\#921);/I/g; 1068: $result =~ s/&(Kappa|\#922);/K/g; 1069: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g; 1070: $result =~ s/&(Mu|\#924);/M/g; 1071: $result =~ s/&(Nu|\#925);/N/g; 1072: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g; 1073: $result =~ s/&(Omicron|\#927);/O/g; 1074: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g; 1075: $result =~ s/&(Rho|\#929);/P/g; 1076: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g; 1077: $result =~ s/&(Tau|\#932);/T/g; 1078: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g; 1079: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g; 1080: $result =~ s/&(Chi|\#935);/X/g; 1081: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g; 1082: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g; 1083: 1084: #Arrows (extended HTML 4.01) 1085: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g; 1086: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g; 1087: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g; 1088: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g; 1089: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g; 1090: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g; 1091: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g; 1092: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g; 1093: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g; 1094: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g; 1095: 1096: #Mathematical Operators (extended HTML 4.01) 1097: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g; 1098: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g; 1099: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g; 1100: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g; 1101: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g; 1102: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g; 1103: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g; 1104: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g; 1105: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g; 1106: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g; 1107: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g; 1108: $result =~ s/–/\\ensuremath\{-\}/g; 1109: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g; 1110: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g; 1111: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g; 1112: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g; 1113: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g; 1114: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g; 1115: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g; 1116: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g; 1117: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g; 1118: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g; 1119: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g; 1120: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g; 1121: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g; 1122: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g; 1123: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g; 1124: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g; 1125: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g; 1126: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g; 1127: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g; 1128: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g; 1129: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g; 1130: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g; 1131: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g; 1132: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g; 1133: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g; 1134: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g; 1135: 1136: #Geometric Shapes (extended HTML 4.01) 1137: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g; 1138: 1139: #Miscellaneous Symbols (extended HTML 4.01) 1140: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g; 1141: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g; 1142: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g; 1143: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g; 1144: 1145: # Chemically useful 'things' contributed by Hon Kie (bug 4652). 1146: 1147: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g; 1148: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g; 1149: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g; 1150: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g; 1151: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g; 1152: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g; 1153: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g; 1154: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g; 1155: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g; 1156: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g; 1157: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g; 1158: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g; 1159: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g; 1160: 1161: # Left/right quotations: 1162: 1163: $result =~ s/&(ldquo|#8220);/\`\`/g; 1164: $result =~ s/&(rdquo|#8221);/\'\'/g; 1165: 1166: return $result; 1167: } 1168: 1169: #width, height, oddsidemargin, evensidemargin, topmargin 1170: my %page_formats = ( 1171: 'letter' => { 1172: 'book' => { 1173: '1' => [ '7.1 in', '9.8 in', '-0.57 in', '-0.57 in', '0.275 in' ], 1174: '2' => [ '3.66 in', '9.8 in', '-0.57 in', '-0.57 in', '0.275 in' ] 1175: }, 1176: 'album' => { 1177: '1' => [ '8.8 in', '6.8 in', '-0.55 in', '-0.55 in', '0.394 in' ], 1178: '2' => [ '4.8 in', '6.8 in', '-0.5 in', '-1.0 in', '3.5 in' ] 1179: }, 1180: }, 1181: 'legal' => { 1182: 'book' => { 1183: '1' => [ '7.1 in', '13 in',, '-0.57 in', '-0.57 in', '-0.5 in' ], 1184: '2' => [ '3.66 in', '13 in', '-0.57 in', '-0.57 in', '-0.5 in' ] 1185: }, 1186: 'album' => { 1187: '1' => [ '12 in', '7.1 in',, '-0.57 in', '-0.57 in', '-0.5 in' ], 1188: '2' => [ '6.0 in', '7.1 in', '-1 in', '-1 in', '5 in' ] 1189: }, 1190: }, 1191: 'tabloid' => { 1192: 'book' => { 1193: '1' => [ '9.8 in', '16 in', '-0.57 in', '-0.57 in', '-0.5 in' ], 1194: '2' => [ '4.9 in', '16 in', '-0.57 in', '-0.57 in', '-0.5 in' ] 1195: }, 1196: 'album' => { 1197: '1' => [ '16 in', '9.8 in', '-0.57 in', '-0.57 in', '-0.5 in' ], 1198: '2' => [ '16 in', '4.9 in', '-0.57 in', '-0.57 in', '-0.5 in' ] 1199: }, 1200: }, 1201: 'executive' => { 1202: 'book' => { 1203: '1' => [ '6.8 in', '9 in', '-0.57 in', '-0.57 in', '1.2 in' ], 1204: '2' => [ '3.1 in', '9 in', '-0.57 in', '-0.57 in', '1.2 in' ] 1205: }, 1206: 'album' => { 1207: '1' => [], 1208: '2' => [] 1209: }, 1210: }, 1211: 'a2' => { 1212: 'book' => { 1213: '1' => [], 1214: '2' => [] 1215: }, 1216: 'album' => { 1217: '1' => [], 1218: '2' => [] 1219: }, 1220: }, 1221: 'a3' => { 1222: 'book' => { 1223: '1' => [], 1224: '2' => [] 1225: }, 1226: 'album' => { 1227: '1' => [], 1228: '2' => [] 1229: }, 1230: }, 1231: 'a4' => { 1232: 'book' => { 1233: '1' => 1234: [ '17.6 cm', '27.2 cm', '-1.397 cm', '-2.11 cm', '-1.27 cm' ], 1235: '2' => [ '9.1 cm', '27.2 cm', '-1.397 cm', '-2.11 cm', '-1.27 cm' ] 1236: }, 1237: 'album' => { 1238: '1' => [ '21.59 cm', '19.558 cm', '-1.397cm', '-2.11 cm', '0 cm' ], 1239: '2' => [ '9.91 cm', '19.558 cm', '-1.397 cm', '-2.11 cm', '0 cm' ] 1240: }, 1241: }, 1242: 'a5' => { 1243: 'book' => { 1244: '1' => [], 1245: '2' => [] 1246: }, 1247: 'album' => { 1248: '1' => [], 1249: '2' => [] 1250: }, 1251: }, 1252: 'a6' => { 1253: 'book' => { 1254: '1' => [], 1255: '2' => [] 1256: }, 1257: 'album' => { 1258: '1' => [], 1259: '2' => [] 1260: }, 1261: }, 1262: ); 1263: 1264: sub page_format { 1265: 1266: # 1267: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 1268: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]", 1269: # "A2 [420x594 mm]", "A3 [297x420 mm]", 1270: # "A4 [210x297 mm]", "A5 [148x210 mm]", 1271: # "A6 [105x148 mm]" 1272: # 1273: my ( $papersize, $layout, $numberofcolumns ) = @_; 1274: return @{ $page_formats{$papersize}->{$layout}->{$numberofcolumns} }; 1275: } 1276: 1277: sub get_name { 1278: my ( $uname, $udom ) = @_; 1279: if ( !defined($uname) ) { $uname = $env{'user.name'}; } 1280: if ( !defined($udom) ) { $udom = $env{'user.domain'}; } 1281: my $plainname = &Apache::loncommon::plainname( $uname, $udom ); 1282: if ( $plainname =~ /^\s*$/ ) { $plainname = $uname . '@' . $udom; } 1283: $plainname = &Apache::lonxml::latex_special_symbols( $plainname, 'header' ); 1284: return $plainname; 1285: } 1286: 1287: sub get_course { 1288: my $courseidinfo; 1289: if ( defined( $env{'request.course.id'} ) ) { 1290: $courseidinfo = &Apache::lonxml::latex_special_symbols( 1291: &unescape( 1292: $env{ 'course.' . $env{'request.course.id'} . '.description' } 1293: ), 1294: 'header' 1295: ); 1296: my $sec = $env{'request.course.sec'}; 1297: 1298: } 1299: return $courseidinfo; 1300: } 1301: 1302: sub page_format_transformation { 1303: my ( 1304: $papersize, $layout, $numberofcolumns, 1305: $choice, $text, $assignment, 1306: $tableofcontents, $indexlist, $selectionmade 1307: ) = @_; 1308: my ( $textwidth, $textheight, $oddoffset, $evenoffset, $topmargin ); 1309: 1310: if ( $selectionmade eq '4' ) { 1311: if ( $choice eq 'all_problems' ) { 1312: $assignment = &mt('Problems from the Whole Course'); 1313: } 1314: else { 1315: $assignment = &mt('Resources from the Whole Course'); 1316: } 1317: } 1318: else { 1319: $assignment = 1320: &Apache::lonxml::latex_special_symbols( $assignment, 'header' ); 1321: } 1322: ( $textwidth, $textheight, $oddoffset, $evenoffset, $topmargin ) = 1323: &page_format( $papersize, $layout, $numberofcolumns, $topmargin ); 1324: 1325: my $name = &get_name(); 1326: my $courseidinfo = &get_course(); 1327: my $header_text = $parmhash{'print_header_format'}; 1328: $header_text = 1329: &format_page_header( $textwidth, $header_text, $assignment, $courseidinfo, 1330: $name ); 1331: my $topmargintoinsert = ''; 1332: if ( $topmargin ne '0' ) { 1333: $topmargintoinsert = '\setlength{\topmargin}{' . $topmargin . '}'; 1334: } 1335: my $fancypagestatement = ''; 1336: if ( $numberofcolumns eq '2' ) { 1337: $fancypagestatement = "\\fancyhead{}\\fancyhead[LO]{$header_text}"; 1338: } 1339: else { 1340: $fancypagestatement = "\\rhead{}\\chead{}\\lhead{$header_text}"; 1341: } 1342: if ( $layout eq 'album' ) { 1343: $text =~ 1344: s/\\begin{document}/\\setlength{\\oddsidemargin}{$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 /; 1345: } 1346: elsif ( $layout eq 'book' ) { 1347: if ( $choice ne 'All class print' ) { 1348: $text =~ 1349: 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/; 1350: } 1351: else { 1352: $text =~ 1353: 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 /; 1354: } 1355: if ( $papersize eq 'a4' ) { 1356: my $papersize_text; 1357: if ( $perm{'pav'} ) { 1358: $papersize_text = '\\special{papersize=210mm,297mm}'; 1359: } 1360: else { 1361: $papersize_text = '\special{papersize=210mm,297mm}'; 1362: } 1363: $text =~ s/(\\begin{document})/$1$papersize_text/; 1364: } 1365: } 1366: if ( $tableofcontents eq 'yes' ) { 1367: $text =~ s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /; 1368: } 1369: if ( $indexlist eq 'yes' ) { 1370: $text =~ s/(\\begin{document})/\\makeindex $1/; 1371: $text =~ s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/; 1372: } 1373: return $text; 1374: } 1375: 1376: sub page_cleanup { 1377: my $result = shift; 1378: 1379: $result =~ m/\\end{document}(\d*)$/; 1380: my $number_of_columns = $1; 1381: my $insert = '{'; 1382: for ( my $id = 1 ; $id <= $number_of_columns ; $id++ ) { $insert .= 'l'; } 1383: $insert .= '}'; 1384: $result =~ 1385: s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g; 1386: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g; 1387: return $result, $number_of_columns; 1388: } 1389: 1390: sub details_for_menu { 1391: my ($helper) = @_; 1392: my $postdata = $env{'form.postdata'}; 1393: if ( !$postdata ) { $postdata = $helper->{VARS}{'postdata'}; } 1394: my $name_of_resource = &Apache::lonnet::gettitle($postdata); 1395: my $symbolic = &Apache::lonnet::symbread($postdata); 1396: return if ( $symbolic eq '' ); 1397: 1398: my ( $map, $id, $resource ) = &Apache::lonnet::decode_symb($symbolic); 1399: $map = &Apache::lonnet::clutter($map); 1400: my $name_of_sequence = &Apache::lonnet::gettitle($map); 1401: if ( $name_of_sequence =~ /^\s*$/ ) { 1402: $map =~ m|([^/]+)$|; 1403: $name_of_sequence = $1; 1404: } 1405: my $name_of_map = &Apache::lonnet::gettitle( $env{'request.course.uri'} ); 1406: if ( $name_of_map =~ /^\s*$/ ) { 1407: $env{'request.course.uri'} =~ m|([^/]+)$|; 1408: $name_of_map = $1; 1409: } 1410: return ( $name_of_resource, $name_of_sequence, $name_of_map ); 1411: } 1412: 1413: sub copyright_line { 1414: return 1415: '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } '; 1416: } 1417: my $end_of_student = "\n" . '\special{ps:ENDOFSTUDENTSTAMP}' . "\n"; 1418: 1419: sub latex_corrections { 1420: my ( $number_of_columns, $result, $selectionmade, $answer_mode ) = @_; 1421: 1422: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g; 1423: my $copyright = &copyright_line(); 1424: if ( $selectionmade eq '1' || $answer_mode eq 'only' ) { 1425: $result =~ 1426: s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/; 1427: } 1428: else { 1429: $result =~ 1430: s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/; 1431: } 1432: $result =~ s/\$number_of_columns/$number_of_columns/g; 1433: $result =~ 1434: s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; 1435: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g; 1436: 1437: #-- LaTeX corrections 1438: my $first_comment = index( $result, '', $first_comment ); 1441: substr( $result, $first_comment, $end_comment - $first_comment + 3 ) = 1442: ''; 1443: $first_comment = index( $result, '<!--', $first_comment ); 1444: } 1445: $result =~ s/^\s+$//gm; #remove empty lines 1446: #removes more than one empty space 1447: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge; 1448: $result =~ s/\\\\\s*\\vskip/\\vskip/gm; 1449: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g; 1450: $result =~ s/{\\par }\s*\\\\/\\\\/gm; 1451: $result =~ s/\\\\\s+\[/ \[/g; 1452: 1453: #conversion of html characters to LaTeX equivalents 1454: if ( $result =~ m/&(\w+|#\d+);/ ) { 1455: $result = &character_chart($result); 1456: } 1457: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g; 1458: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g; 1459: return $result; 1460: } 1461: 1462: sub index_table { 1463: my $currentURL = shift; 1464: my $insex_string = ''; 1465: $currentURL =~ s/\.([^\/+])$/\.$1\.meta/; 1466: $insex_string = &Apache::lonnet::metadata( $currentURL, 'keywords' ); 1467: return $insex_string; 1468: } 1469: 1470: sub IndexCreation { 1471: my ( $texversion, $currentURL ) = @_; 1472: my @key_words = split( /,/, &index_table($currentURL) ); 1473: my $chunk = ''; 1474: my $st = index $texversion, '\addcontentsline{toc}{subsection}{'; 1475: if ( $st > 0 ) { 1476: for ( my $i = 0 ; $i < 3 ; $i++ ) { 1477: $st = ( index $texversion, '}', $st + 1 ); 1478: } 1479: $chunk = substr( $texversion, 0, $st + 1 ); 1480: substr( $texversion, 0, $st + 1 ) = ' '; 1481: } 1482: foreach my $key_word (@key_words) { 1483: if ( $key_word =~ /\S+/ ) { 1484: $texversion =~ s/\b($key_word)\b/$1 \\index{$key_word} /i; 1485: } 1486: } 1487: if ( $st > 0 ) { substr( $texversion, 0, 1 ) = $chunk; } 1488: return $texversion; 1489: } 1490: 1491: sub print_latex_header { 1492: my $mode = shift; 1493: 1494: return &Apache::londefdef::latex_header($mode); 1495: } 1496: 1497: sub path_to_problem { 1498: my ( $urlp, $colwidth ) = @_; 1499: $urlp = &Apache::lonnet::clutter($urlp); 1500: 1501: my $newurlp = ''; 1502: $colwidth =~ s/\s*mm\s*$//; 1503: 1504: #characters average about 2 mm in width 1505: if ( length($urlp) * 2 > $colwidth ) { 1506: my @elements = split( '/', $urlp ); 1507: my $curlength = 0; 1508: foreach my $element (@elements) { 1509: if ( $element eq '' ) { next; } 1510: if ( $curlength + ( length($element) * 2 ) > $colwidth ) { 1511: $newurlp .= '|\vskip -1 mm \verb|'; 1512: $curlength = length($element) * 2; 1513: } 1514: else { 1515: $curlength += length($element) * 2; 1516: } 1517: $newurlp .= '/' . $element; 1518: } 1519: } 1520: else { 1521: $newurlp = $urlp; 1522: } 1523: return '{\small\noindent\verb|' . $newurlp . '|\vskip 0 mm}'; 1524: } 1525: 1526: sub recalcto_mm { 1527: my $textwidth = shift; 1528: my $LaTeXwidth; 1529: if ( $textwidth =~ /(-?\d+\.?\d*)\s*cm/ ) { 1530: $LaTeXwidth = $1 * 10; 1531: } 1532: elsif ( $textwidth =~ /(-?\d+\.?\d*)\s*mm/ ) { 1533: $LaTeXwidth = $1; 1534: } 1535: elsif ( $textwidth =~ /(-?\d+\.?\d*)\s*in/ ) { 1536: $LaTeXwidth = $1 * 25.4; 1537: } 1538: $LaTeXwidth .= ' mm'; 1539: return $LaTeXwidth; 1540: } 1541: 1542: sub get_textwidth { 1543: my ( $helper, $LaTeXwidth ) = @_; 1544: my $textwidth = $LaTeXwidth; 1545: if ( $helper->{'VARS'}->{'pagesize.width'} =~ /\d+/ 1546: && $helper->{'VARS'}->{'pagesize.widthunit'} =~ /\w+/ ) 1547: { 1548: $textwidth = 1549: &recalcto_mm( $helper->{'VARS'}->{'pagesize.width'} . ' ' 1550: . $helper->{'VARS'}->{'pagesize.widthunit'} ); 1551: } 1552: return $textwidth; 1553: } 1554: 1555: sub unsupported { 1556: my ( $currentURL, $mode, $symb ) = @_; 1557: if ( $mode ne '' ) { $mode = '\\' . $mode } 1558: my $result .= &print_latex_header($mode); 1559: if ( $currentURL =~ m|^(/adm/wrapper/)?ext/| ) { 1560: $currentURL =~ s|^(/adm/wrapper/)?ext/|http://|; 1561: my $title = &Apache::lonnet::gettitle($symb); 1562: $title = &Apache::lonxml::latex_special_symbols($title); 1563: $result .= 1564: ' \strut \\\\ ' . $title . ' \strut \\\\ ' . $currentURL . ' '; 1565: } 1566: else { 1567: $result .= $currentURL; 1568: } 1569: $result .= 1570: '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}'; 1571: return $result; 1572: } 1573: 1574: # 1575: # Map from helper layout style to the book/album: 1576: # 1577: sub map_laystyle { 1578: my ($laystyle) = @_; 1579: if ( $laystyle eq 'L' ) { 1580: $laystyle = 'album'; 1581: } 1582: else { 1583: $laystyle = 'book'; 1584: } 1585: return $laystyle; 1586: } 1587: 1588: sub print_page_in_course { 1589: my ( $helper, $rparmhash, $currentURL, $resources ) = @_; 1590: my %parmhash = %$rparmhash; 1591: my @page_resources = @$resources; 1592: my $mode = $helper->{'VARS'}->{'LATEX_TYPE'}; 1593: my $symb = $helper->{'VARS'}->{'symb'}; 1594: 1595: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 1596: 1597: my @temporary_array = split /\|/, $format_from_helper; 1598: my ( $laystyle, $numberofcolumns, $papersize, $pdfFormFields ) = 1599: @temporary_array; 1600: $laystyle = &map_laystyle($laystyle); 1601: my ( $textwidth, $textheight, $oddoffset, $evenoffset ) = 1602: &page_format( $papersize, $laystyle, $numberofcolumns ); 1603: my $LaTeXwidth = &recalcto_mm($textwidth); 1604: 1605: if ( $mode ne '' ) { $mode = '\\' . $mode } 1606: my $result = &print_latex_header($mode); 1607: if ( $currentURL =~ m|^(/adm/wrapper/)?ext/| ) { 1608: $currentURL =~ s|^(/adm/wrapper/)?ext/|http://|; 1609: my $title = &Apache::lonnet::gettitle($symb); 1610: $title = &Apache::lonxml::latex_special_symbols($title); 1611: } 1612: else { 1613: $result .= $currentURL; 1614: } 1615: $result .= '\\\\'; 1616: 1617: if ( $helper->{'VARS'}->{'style_file'} =~ /\w/ ) { 1618: &Apache::lonnet::appenv( 1619: { 'construct.style' => $helper->{'VARS'}->{'style_file'} } ); 1620: } 1621: elsif ( $env{'construct.style'} ) { 1622: &Apache::lonnet::delenv('construct.style'); 1623: } 1624: 1625: # First is the overall page description. This is then followed by the 1626: # components of the page. Each of which must be printed independently. 1627: my $the_page = shift(@page_resources); 1628: 1629: foreach my $resource (@page_resources) { 1630: my $resource_src = 1631: $resource->src(); # Essentially the URL of the resource. 1632: $result .= $resource->title() . '\\\\'; 1633: 1634: # Recurse if a .page: 1635: 1636: if ( $resource_src =~ /.page$/i ) { 1637: my $navmap = Apache::lonnavmaps::navmap->new(); 1638: my @page_resources = $navmap->retrieveResources($resource_src); 1639: $result .= 1640: &print_page_in_course( $helper, $rparmhash, $resource_src, 1641: \@page_resources ); 1642: } 1643: 1644: # these resources go through the XML transformer: 1645: 1646: elsif ( $resource_src =~ 1647: /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm\xhtml|xhtm)$/ 1648: ) 1649: { 1650: my $urlp = &Apache::lonnet::clutter($resource_src); 1651: my %form; 1652: my %moreenv; 1653: 1654: &Apache::lonxml::remember_problem_counter(); 1655: $moreenv{'request.filename'} = $urlp; 1656: if ( $helper->{'VARS'}->{'probstatus'} eq 'exam' ) { 1657: $form{'problemtype'} = 'exam'; 1658: } 1659: 1660: $form{'grade_target'} = 'tex'; 1661: $form{'textwidth'} = &get_textwidth( $helper, $LaTeXwidth ); 1662: $form{'pdfFormFiels'} = $pdfFormFields; # 1663: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'}; 1664: 1665: $form{'problem_split'} = $parmhash{'problem_stream_switch'}; 1666: $form{'suppress_tries'} = $parmhash{'suppress_tries'}; 1667: $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'}; 1668: $form{'print_discussions'} = 1669: $helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 1670: $form{'print_annotations'} = 1671: $helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 1672: if ( ( $helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes' ) 1673: || ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) ) 1674: { 1675: $form{'problem_split'} = 'yes'; 1676: } 1677: my $rndseed = time; 1678: if ( $helper->{'VARS'}->{'curseed'} ) { 1679: $rndseed = $helper->{'VARS'}->{'curseed'}; 1680: } 1681: $form{'rndseed'} = $rndseed; 1682: &Apache::lonnet::appenv( \%moreenv ); 1683: 1684: &Apache::lonxml::clear_problem_counter(); 1685: 1686: my $texversion = 1687: &ssi_with_retries( $urlp, $ssi_retry_count, %form ); 1688: 1689: # current document with answers.. no need to encap in minipage 1690: # since there's only one answer. 1691: 1692: if ( ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) 1693: || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) ) 1694: { 1695: my %answerform = %form; 1696: 1697: $answerform{'problem_split'} = 1698: $parmhash{'problem_stream_switch'}; 1699: $answerform{'grade_target'} = 'answer'; 1700: $answerform{'answer_output_mode'} = 'tex'; 1701: $answerform{'rndseed'} = $rndseed; 1702: if ( $helper->{'VARS'}->{'probstatus'} eq 'exam' ) { 1703: $answerform{'problemtype'} = 'exam'; 1704: } 1705: $resources_printed .= $urlp . ':'; 1706: my $answer = 1707: &ssi_with_retries( $urlp, $ssi_retry_count, %answerform ); 1708: 1709: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) { 1710: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 1711: } 1712: else { 1713: $texversion = 1714: &print_latex_header( $helper->{'VARS'}->{'LATEX_TYPE'} ); 1715: if ( $helper->{'VARS'}->{'construction'} ne '1' ) { 1716: my $title = 1717: &Apache::lonnet::gettitle( 1718: $helper->{'VARS'}->{'symb'} ); 1719: $title = &Apache::lonxml::latex_special_symbols($title); 1720: $texversion .= 1721: '\vskip 0 mm \noindent\textbf{' 1722: . $title 1723: . '}\vskip 0 mm '; 1724: $texversion .= &path_to_problem( $urlp, $LaTeXwidth ); 1725: } 1726: else { 1727: $texversion .= 1728: '\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 1729: my $URLpath = $urlp; 1730: $URLpath =~ s/~([^\/]+)/public_html\/$1\/$1/; 1731: $texversion .= 1732: &path_to_problem( $URLpath, $LaTeXwidth ); 1733: } 1734: $texversion .= '\vskip 1 mm ' . $answer . '\end{document}'; 1735: } 1736: 1737: } 1738: 1739: # Print annotations. 1740: 1741: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 1742: my $annotation .= &annotate($currentURL); 1743: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/; 1744: } 1745: 1746: if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) { 1747: $texversion = &IndexCreation( $texversion, $currentURL ); 1748: } 1749: if ( $helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes' ) { 1750: $texversion =~ 1751: s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /; 1752: 1753: } 1754: $texversion = &latex_header_footer_remove($texversion); 1755: 1756: # the first remaining line is a comment from londefdef the second 1757: # line seems to be an extraneous \vskip 1mm \\\\ : 1758: # (imperfect removal from header_footer_remove? 1759: 1760: $texversion =~ s/\\vskip 1mm \\\\\\\\//; 1761: 1762: $result .= $texversion; 1763: if ( $currentURL =~ m/\.page\s*$/ ) { 1764: ( $result, $numberofcolumns ) = &page_cleanup($result); 1765: } 1766: } 1767: } 1768: 1769: $result .= 1770: '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}'; 1771: return $result; 1772: } 1773: 1774: # 1775: # List of recently generated print files 1776: # 1777: sub recently_generated { 1778: my $r = shift; 1779: my $prtspool = $r->dir_config('lonPrtDir'); 1780: my $zip_result; 1781: my $pdf_result; 1782: opendir( DIR, $prtspool ); 1783: 1784: my @files = 1785: grep( 1786: /^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/, 1787: readdir(DIR) ); 1788: closedir(DIR); 1789: 1790: @files = sort { 1791: my ($actime) = ( stat( $prtspool . '/' . $a ) )[10]; 1792: my ($bctime) = ( stat( $prtspool . '/' . $b ) )[10]; 1793: return $bctime <=> $actime; 1794: } (@files); 1795: 1796: foreach my $filename (@files) { 1797: my ($ext) = ( $filename =~ m/(pdf|zip)$/ ); 1798: my ( 1799: $cdev, $cino, $cmode, $cnlink, $cuid, 1800: $cgid, $crdev, $csize, $catime, $cmtime, 1801: $cctime, $cblksize, $cblocks 1802: ) = stat( $prtspool . '/' . $filename ); 1803: my $ext_text = 'pdf' ? &mt('PDF File') : &mt('Zip File'); 1804: my $result = 1805: &Apache::loncommon::start_data_table_row() . '<td>' 1806: . '<a href="/prtspool/' 1807: . $filename . '">' 1808: . $ext_text . '</a>' . '</td>' . '<td>' 1809: . &Apache::lonlocal::locallocaltime($cctime) . '</td>' 1810: . '<td align="right">' 1811: . $csize . '</td>' 1812: . &Apache::loncommon::end_data_table_row(); 1813: if ( $ext eq 'pdf' ) { $pdf_result .= $result; } 1814: if ( $ext eq 'zip' ) { $zip_result .= $result; } 1815: } 1816: if ( $zip_result || $pdf_result ) { 1817: $r->print('<hr />'); 1818: } 1819: if ($zip_result) { 1820: $r->print( '<h3>' 1821: . &mt('Recently generated printout zip files') 1822: . "</h3>\n" 1823: . &Apache::loncommon::start_data_table() 1824: . &Apache::loncommon::start_data_table_header_row() . '<th>' 1825: . &mt('Download') . '</th>' . '<th>' 1826: . &mt('Creation Date') . '</th>' . '<th>' 1827: . &mt('File Size (Bytes)') . '</th>' 1828: . &Apache::loncommon::end_data_table_header_row() 1829: . $zip_result 1830: . &Apache::loncommon::end_data_table() ); 1831: } 1832: if ($pdf_result) { 1833: $r->print( '<h3>' 1834: . &mt('Recently generated printouts') 1835: . "</h3>\n" 1836: . &Apache::loncommon::start_data_table() 1837: . &Apache::loncommon::start_data_table_header_row() . '<th>' 1838: . &mt('Download') . '</th>' . '<th>' 1839: . &mt('Creation Date') . '</th>' . '<th>' 1840: . &mt('File Size (Bytes)') . '</th>' 1841: . &Apache::loncommon::end_data_table_header_row() 1842: . $pdf_result 1843: . &Apache::loncommon::end_data_table() ); 1844: } 1845: } 1846: 1847: # 1848: # Retrieve the hash of page breaks. 1849: # 1850: # Inputs: 1851: # helper - reference to helper object. 1852: # Outputs 1853: # A reference to a page break hash. 1854: # 1855: # 1856: # use Data::Dumper; 1857: # sub dump_helper_vars { 1858: # my ($helper) = @_; 1859: # my $helpervars = Dumper($helper->{'VARS'}); 1860: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars"); 1861: #} 1862: 1863: sub get_page_breaks { 1864: my ($helper) = @_; 1865: my %page_breaks; 1866: 1867: foreach my $break ( split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'} ) { 1868: $page_breaks{$break} = 1; 1869: } 1870: return %page_breaks; 1871: } 1872: 1873: # 1874: # Returns text to insert for any extra vskip prior to the resource. 1875: # Parameters: 1876: # helper - Reference to the helper object driving the printout. 1877: # resource - Identifies the resource about to be printed. 1878: # 1879: # This is done as follows: 1880: # POSSIBLE_RESOURCES has the list of possible resources. 1881: # EXTRASPACE has the list of extra space values. 1882: # EXTRASPACE_UNITS is the set of resources for which the units are 1883: # mm. All others are 'in'. 1884: # 1885: # The resource is found in the POSSIBLE_RESOURCES to get the index 1886: # of the EXTRASPACE value. 1887: # 1888: # In order to speed this up for lengthy printouts, the first time, 1889: # POSSIBLE_RESOURCES is turned into a look up hash and 1890: # EXTRASPACE is turned into an array. 1891: # 1892: 1893: my %possible_resources; 1894: my %extraspace_mm; 1895: my @extraspace; 1896: my $skips_loaded = 0; 1897: 1898: # Function to load the skips hash and array 1899: 1900: sub load_skips { 1901: 1902: my ($helper) = @_; 1903: 1904: # If this is the first time, unrap the resources and extra spaces: 1905: 1906: if ( !$skips_loaded ) { 1907: @extraspace = ( split( /\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'} ) ); 1908: my @resource_list = 1909: ( split( /\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} ) ); 1910: my $i = 0; 1911: foreach my $resource (@resource_list) { 1912: $possible_resources{$resource} = $i; 1913: $i++; 1914: } 1915: foreach my $mm_resource ( 1916: split( /\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'} ) ) 1917: { 1918: $extraspace_mm{$mm_resource} = 1; 1919: } 1920: $skips_loaded = 1; 1921: } 1922: } 1923: 1924: sub get_extra_vspaces { 1925: my ( $helper, $resource ) = @_; 1926: 1927: &load_skips($helper); 1928: 1929: # Lookup the resource in the possible resources hash.. that is the index 1930: # into the extraspace array that gives us either an empty string or 1931: # the number of mm to skip: 1932: 1933: my $index = $possible_resources{$resource}; 1934: my $skip = $extraspace[$index]; 1935: 1936: my $result = ''; 1937: if ( $skip ne '' ) { 1938: my $units = 'in'; 1939: if ( defined( $extraspace_mm{$resource} ) ) { 1940: $units = 'mm'; 1941: } 1942: $result = '\vskip ' . $skip . ' ' . $units; 1943: } 1944: 1945: return $result; 1946: 1947: } 1948: 1949: # 1950: # The resource chooser part of the helper needs more than just 1951: # the value of the extraspaces var to recover the value into a text 1952: # field option. This sub produces the required format for the saved var: 1953: # specifically 1954: # ||| separated fields of the form resourcename=value 1955: # 1956: # Parameters: 1957: # $helper - Refers to the helper we are configuring 1958: # Implicit input: 1959: # $helper->{'VARS'}->{'EXTRASPACE'} - the spaces helper var has the text field 1960: # value. 1961: # $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes). 1962: # $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} - has the list of resources. ||| 1963: # separated of course. 1964: # Implicit outputs: 1965: # $env{'form.extraspace'} 1966: # $env{'form.extraspace_units'} 1967: # 1968: sub set_form_extraspace { 1969: my ($helper) = @_; 1970: 1971: # the most convenient way to do this is to drive from the skips arrays/hash. 1972: # may not be the fastest, but this is once per print request so it's not so 1973: # speed critical: 1974: 1975: &load_skips($helper); 1976: 1977: my $result = ''; 1978: 1979: foreach my $resource ( keys(%possible_resources) ) { 1980: my $vskip = $extraspace[ $possible_resources{$resource} ]; 1981: $result .= $resource . '=' . $vskip . '|||'; 1982: } 1983: 1984: $env{'form.extraspace'} = $result; 1985: $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'}; 1986: return $result; 1987: 1988: } 1989: 1990: # Output a sequence (recursively if neeed) 1991: # from construction space. 1992: # Parameters: 1993: # url = URL of the sequence to print. 1994: # helper - Reference to the helper hash. 1995: # form - Copy of the format hash. 1996: # LaTeXWidth 1997: # Returns: 1998: # Text to add to the printout. 1999: # NOTE if the first element of the outermost sequence 2000: # is itself a sequence, the outermost caller may need to 2001: # prefix the latex with the page headers stuff. 2002: # 2003: sub print_construction_sequence { 2004: my ( $currentURL, $helper, %form, $LaTeXwidth ) = @_; 2005: my $result; 2006: my $rndseed = time; 2007: if ( $helper->{'VARS'}->{'curseed'} ) { 2008: $rndseed = $helper->{'VARS'}->{'curseed'}; 2009: } 2010: my $errtext = &LONCAPA::map::mapread($currentURL); 2011: 2012: # 2013: # These make this all support recursing for subsequences. 2014: # 2015: my @order = @LONCAPA::map::order; 2016: my @resources = @LONCAPA::map::resources; 2017: for ( my $member = 0 ; $member <= $#order ; $member++ ) { 2018: $resources[ $order[$member] ] =~ /^([^:]*):([^:]*):/; 2019: my $urlp = $2; 2020: if ( $urlp =~ 2021: /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/ 2022: ) 2023: { 2024: my $texversion = ''; 2025: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only' ) { 2026: $form{'problem_split'} = $parmhash{'problem_stream_switch'}; 2027: $form{'suppress_tries'} = $parmhash{'suppress_tries'}; 2028: $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'}; 2029: $form{'rndseed'} = $rndseed; 2030: $resources_printed .= $urlp . ':'; 2031: $texversion = 2032: &ssi_with_retries( $urlp, $ssi_retry_count, %form ); 2033: } 2034: if ( 2035: ( 2036: ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) 2037: || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) 2038: ) 2039: && ( $urlp =~ 2040: /\.(problem|exam|quiz|assess|survey|form|library|page)$/ ) 2041: ) 2042: { 2043: 2044: # Don't permanently modify %$form... 2045: my %answerform = %form; 2046: $answerform{'grade_target'} = 'answer'; 2047: $answerform{'answer_output_mode'} = 'tex'; 2048: $answerform{'rndseed'} = $rndseed; 2049: $answerform{'problem_split'} = 2050: $parmhash{'problem_stream_switch'}; 2051: if ( $urlp =~ /\/res\// ) { 2052: $env{'request.state'} = 'published'; 2053: } 2054: $resources_printed .= $urlp . ':'; 2055: my $answer = 2056: &ssi_with_retries( $urlp, $ssi_retry_count, %answerform ); 2057: 2058: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) { 2059: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 2060: } 2061: else { 2062: 2063: # If necessary, encapsulate answer in minipage: 2064: 2065: $texversion = 2066: &print_latex_header( $helper->{'VARS'}->{'LATEX_TYPE'} ); 2067: my $title = 2068: &Apache::lonnet::gettitle( $helper->{'VARS'}->{'symb'} ); 2069: $title = &Apache::lonxml::latex_special_symbols($title); 2070: my $body = 2071: '\vskip 0 mm \noindent\textbf{' 2072: . $title 2073: . '}\vskip 0 mm '; 2074: $body .= &path_to_problem( $urlp, $LaTeXwidth ); 2075: $body .= '\vskip 1 mm ' . $answer . '\end{document}'; 2076: $body = &encapsulate_minipage($body); 2077: $texversion .= $body; 2078: } 2079: } 2080: $texversion = &latex_header_footer_remove($texversion); 2081: 2082: if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) { 2083: $texversion = &IndexCreation( $texversion, $urlp ); 2084: } 2085: if ( $helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes' ) { 2086: $texversion =~ 2087: s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 2088: } 2089: $result .= $texversion; 2090: 2091: } 2092: elsif ( $urlp =~ /\.(sequence|page)$/ ) { 2093: 2094: # header: 2095: 2096: $result .= 2097: '\strut\newline\noindent Sequence/page ' 2098: . $urlp 2099: . '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent '; 2100: 2101: # IF sequence, recurse: 2102: 2103: if ( $urlp =~ /\.sequence$/ ) { 2104: my $sequence_url = $urlp; 2105: my $domain = $env{'user.domain'}; # Constr. space only on local 2106: my $user = $env{'user.name'}; 2107: 2108: $sequence_url =~ s/^\/res\/$domain/\/home/; 2109: $sequence_url =~ s/^(\/home\/$user)/$1\/public_html/; 2110: 2111: # $sequence_url =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|; 2112: $result .= 2113: &print_construction_sequence( $sequence_url, $helper, %form, 2114: $LaTeXwidth ); 2115: } 2116: } 2117: elsif ( $urlp =~ /\.pdf$/i ) { 2118: my $texversion; 2119: if ( $member != 0 ) { 2120: $texversion .= '\cleardoublepage'; 2121: } 2122: 2123: $texversion .= &include_pdf($urlp); 2124: $texversion = &latex_header_footer_remove($texversion); 2125: if ( $member != $#order ) { 2126: $texversion .= '\\ \cleardoublepage'; 2127: } 2128: 2129: $result .= $texversion; 2130: } 2131: } 2132: if ( $helper->{VARS}->{'construction'} eq '1' ) { 2133: $result =~ s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /; 2134: } 2135: return $result; 2136: } 2137: 2138: sub output_data { 2139: my ( $r, $helper, $rparmhash ) = @_; 2140: my %parmhash = %$rparmhash; 2141: $ssi_error = 0; # This will be set nonzero by failing ssi's. 2142: $resources_printed = ''; 2143: $font_size = $helper->{'VARS'}->{'fontsize'}; 2144: my $do_postprocessing = 1; 2145: my $js = <<ENDPART; 2146: <script type="text/javascript"> 2147: var editbrowser; 2148: function openbrowser(formname,elementname,only,omit) { 2149: var url = '/res/?'; 2150: if (editbrowser == null) { 2151: url += 'launch=1&'; 2152: } 2153: url += 'catalogmode=interactive&'; 2154: url += 'mode=parmset&'; 2155: url += 'form=' + formname + '&'; 2156: if (only != null) { 2157: url += 'only=' + only + '&'; 2158: } 2159: if (omit != null) { 2160: url += 'omit=' + omit + '&'; 2161: } 2162: url += 'element=' + elementname + ''; 2163: var title = 'Browser'; 2164: var options = 'scrollbars=1,resizable=1,menubar=0'; 2165: options += ',width=700,height=600'; 2166: editbrowser = open(url,title,options,'1'); 2167: editbrowser.focus(); 2168: } 2169: </script> 2170: ENDPART 2171: 2172: # Breadcrumbs 2173: #FIXME: Choose better/different breadcrumbs?!? Links? 2174: my $brcrum = [ 2175: { 2176: 'href' => '', 2177: 'text' => 'Helper' 2178: }, #FIXME: Different origin possible than print out helper? 2179: { 2180: 'href' => '', 2181: 'text' => 'Preparing Printout' 2182: } 2183: ]; 2184: 2185: my $start_page = &Apache::loncommon::start_page( 'Preparing Printout', 2186: $js, { 'bread_crumbs' => $brcrum, } ); 2187: my $msg = &mt( 2188: 'Please stand by while processing your print request, this may take some time ...' 2189: ); 2190: 2191: $r->print( $start_page . "\n<p>\n$msg\n</p>\n" ); 2192: 2193: # fetch the pagebreaks and store them in the course environment 2194: # The page breaks will be pulled into the hash %page_breaks which is 2195: # indexed by symb and contains 1's for each break. 2196: 2197: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'}; 2198: &set_form_extraspace($helper); 2199: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 2200: &Apache::loncommon::store_course_settings( 2201: 'print', 2202: { 2203: 'pagebreaks' => 'scalar', 2204: 'extraspace' => 'scalar', 2205: 'extraspace_units' => 'scalar', 2206: 'lastprinttype' => 'scalar' 2207: } 2208: ); 2209: my %page_breaks = &get_page_breaks($helper); 2210: 2211: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 2212: my ( $result, $selectionmade ) = ( '', '' ); 2213: my $number_of_columns = 2214: 1; #used only for pages to determine the width of the cell 2215: my @temporary_array = split /\|/, $format_from_helper; 2216: my ( $laystyle, $numberofcolumns, $papersize, $pdfFormFields ) = 2217: @temporary_array; 2218: 2219: $laystyle = &map_laystyle($laystyle); 2220: my ( $textwidth, $textheight, $oddoffset, $evenoffset ) = 2221: &page_format( $papersize, $laystyle, $numberofcolumns ); 2222: my $assignment = $env{'form.assignment'}; 2223: my $LaTeXwidth = &recalcto_mm($textwidth); 2224: my @print_array = (); 2225: my @student_names = (); 2226: 2227: # Common settings for the %form has: 2228: # In some cases these settings get overriddent by specific cases, but the 2229: # settings are common enough to make it worthwhile factoring them out 2230: # here. 2231: # 2232: my %form; 2233: $form{'grade_target'} = 'tex'; 2234: $form{'textwidth'} = &get_textwidth( $helper, $LaTeXwidth ); 2235: $form{'pdfFormFields'} = $pdfFormFields; 2236: 2237: # If form.showallfoils is set, then request all foils be shown: 2238: # privilege will be enforced both by not allowing the 2239: # check box selecting this option to be presnt unless it's ok, 2240: # and by lonresponse's priv. check. 2241: # The if is here because lonresponse.pm only cares that 2242: # showallfoils is defined, not what the value is. 2243: 2244: if ( $helper->{'VARS'}->{'showallfoils'} eq "1" ) { 2245: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'}; 2246: } 2247: 2248: if ( $helper->{'VARS'}->{'style_file'} =~ /\w/ ) { 2249: &Apache::lonnet::appenv( 2250: { 'construct.style' => $helper->{'VARS'}->{'style_file'} } ); 2251: } 2252: elsif ( $env{'construct.style'} ) { 2253: &Apache::lonnet::delenv('construct.style'); 2254: } 2255: 2256: if ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document' ) { 2257: 2258: #-- single document - problem, page, html, xml, ... 2259: my ( $currentURL, $cleanURL ); 2260: 2261: if ( $helper->{'VARS'}->{'construction'} ne '1' ) { 2262: 2263: #prints published resource 2264: $currentURL = $helper->{'VARS'}->{'postdata'}; 2265: $cleanURL = &Apache::lonenc::check_decrypt($currentURL); 2266: } 2267: else { 2268: 2269: #prints resource from the construction space 2270: $currentURL = '/' . $helper->{'VARS'}->{'filename'}; 2271: if ( $currentURL =~ /([^?]+)/ ) { $currentURL = $1; } 2272: $cleanURL = $currentURL; 2273: } 2274: $selectionmade = 1; 2275: if ( $cleanURL !~ m|^/adm/| 2276: && $cleanURL =~ 2277: /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/ 2278: ) 2279: { 2280: my $rndseed = time; 2281: my $texversion = ''; 2282: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only' ) { 2283: my %moreenv; 2284: $moreenv{'request.filename'} = $cleanURL; 2285: if ( $helper->{'VARS'}->{'probstatus'} eq 'exam' ) { 2286: $form{'problemtype'} = 'exam'; 2287: } 2288: $form{'problem_split'} = $parmhash{'problem_stream_switch'}; 2289: $form{'suppress_tries'} = $parmhash{'suppress_tries'}; 2290: $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'}; 2291: $form{'print_discussions'} = 2292: $helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 2293: $form{'print_annotations'} = 2294: $helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 2295: if ( ( $helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes' ) 2296: || ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) ) 2297: { 2298: $form{'problem_split'} = 'yes'; 2299: } 2300: if ( $helper->{'VARS'}->{'curseed'} ) { 2301: $rndseed = $helper->{'VARS'}->{'curseed'}; 2302: } 2303: $form{'rndseed'} = $rndseed; 2304: &Apache::lonnet::appenv( \%moreenv ); 2305: 2306: &Apache::lonxml::clear_problem_counter(); 2307: 2308: $resources_printed .= $currentURL . ':'; 2309: $texversion .= 2310: &ssi_with_retries( $currentURL, $ssi_retry_count, %form ); 2311: 2312: # Add annotations if required: 2313: 2314: &Apache::lonxml::clear_problem_counter(); 2315: 2316: &Apache::lonnet::delenv('request.filename'); 2317: } 2318: 2319: # current document with answers.. no need to encap in minipage 2320: # since there's only one answer. 2321: 2322: if ( ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) 2323: || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) ) 2324: { 2325: $form{'problem_split'} = $parmhash{'problem_stream_switch'}; 2326: $form{'grade_target'} = 'answer'; 2327: $form{'answer_output_mode'} = 'tex'; 2328: $form{'rndseed'} = $rndseed; 2329: if ( $helper->{'VARS'}->{'probstatus'} eq 'exam' ) { 2330: $form{'problemtype'} = 'exam'; 2331: } 2332: $resources_printed .= $currentURL . ':'; 2333: my $answer = 2334: &ssi_with_retries( $currentURL, $ssi_retry_count, %form ); 2335: 2336: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) { 2337: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 2338: } 2339: else { 2340: $texversion = 2341: &print_latex_header( $helper->{'VARS'}->{'LATEX_TYPE'} ); 2342: if ( $helper->{'VARS'}->{'construction'} ne '1' ) { 2343: my $title = 2344: &Apache::lonnet::gettitle( 2345: $helper->{'VARS'}->{'symb'} ); 2346: $title = &Apache::lonxml::latex_special_symbols($title); 2347: $texversion .= 2348: '\vskip 0 mm \noindent\textbf{' 2349: . $title 2350: . '}\vskip 0 mm '; 2351: $texversion .= 2352: &path_to_problem( $cleanURL, $LaTeXwidth ); 2353: } 2354: else { 2355: $texversion .= 2356: '\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 2357: my $URLpath = $cleanURL; 2358: $URLpath =~ s/~([^\/]+)/public_html\/$1\/$1/; 2359: $texversion .= 2360: &path_to_problem( $URLpath, $LaTeXwidth ); 2361: } 2362: $texversion .= '\vskip 1 mm ' . $answer . '\end{document}'; 2363: } 2364: 2365: } 2366: 2367: # Print annotations. 2368: 2369: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 2370: my $annotation .= &annotate($currentURL); 2371: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/; 2372: } 2373: 2374: if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) { 2375: $texversion = &IndexCreation( $texversion, $currentURL ); 2376: } 2377: if ( $helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes' ) { 2378: $texversion =~ 2379: s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /; 2380: 2381: } 2382: $result .= $texversion; 2383: if ( $currentURL =~ m/\.page\s*$/ ) { 2384: ( $result, $number_of_columns ) = &page_cleanup($result); 2385: } 2386: } 2387: elsif ($cleanURL !~ m|^/adm/| 2388: && $currentURL =~ /\.(sequence|page)$/ 2389: && $helper->{'VARS'}->{'construction'} eq '1' ) 2390: { 2391: 2392: #printing content of sequence from the construction space 2393: 2394: $currentURL =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|; 2395: $result .= 2396: &print_construction_sequence( $currentURL, $helper, %form, 2397: $LaTeXwidth ); 2398: $result .= '\end{document}'; 2399: if ( !( $result =~ /\\begin\{document\}/ ) ) { 2400: $result = &print_latex_header() . $result; 2401: } 2402: 2403: # End construction space sequence. 2404: } 2405: elsif ( $cleanURL =~ /\/(smppg|syllabus|aboutme|bulletinboard)$/ ) { 2406: $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'}; 2407: if ( $currentURL =~ /\/syllabus$/ ) { $currentURL =~ s/\/res//; } 2408: $resources_printed .= $currentURL . ':'; 2409: my $texversion = 2410: &ssi_with_retries( $currentURL, $ssi_retry_count, %form ); 2411: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 2412: my $annotation = &annotate($currentURL); 2413: $texversion =~ s/(\\end{document})/$annotation$1/; 2414: } 2415: $result .= $texversion; 2416: } 2417: elsif ( $cleanURL =~ /\.tex$/ ) { 2418: 2419: # For this sort of print of a single LaTeX file, 2420: # We can just print the LaTeX file as it is uninterpreted in any way: 2421: # 2422: 2423: $result = &fetch_raw_resource($currentURL); 2424: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 2425: my $annotation = &annotate($currentURL); 2426: $result =~ s/(\\end{document})/$annotation$1/; 2427: } 2428: 2429: $do_postprocessing = 0; # Don't massage the result. 2430: 2431: } 2432: elsif ( $cleanURL =~ /\.pdf$/i ) { 2433: $result .= &include_pdf($cleanURL); 2434: $result .= '\end{document}'; 2435: } 2436: elsif ( $cleanURL =~ /\.page$/i ) 2437: { # Print page in non construction space contexts. 2438: 2439: # Determine the set of resources in the map of the page: 2440: 2441: my $navmap = Apache::lonnavmaps::navmap->new(); 2442: my @page_resources = $navmap->retrieveResources($cleanURL); 2443: $result .= &print_page_in_course( $helper, $rparmhash, $cleanURL, 2444: \@page_resources ); 2445: 2446: } 2447: else { 2448: $result .= &unsupported( 2449: $currentURL, 2450: $helper->{'VARS'}->{'LATEX_TYPE'}, 2451: $helper->{'VARS'}->{'symb'} 2452: ); 2453: } 2454: } 2455: elsif ( 2456: ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems' ) 2457: or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page' ) 2458: or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page' ) 2459: or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages' ) 2460: or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems' ) 2461: or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources' ) 2462: or # BUGBUG 2463: ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences' ) 2464: ) 2465: { 2466: 2467: #-- produce an output string 2468: if ( ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems' ) 2469: or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page' ) ) 2470: { 2471: $selectionmade = 2; 2472: } 2473: elsif (( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages' ) 2474: or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page' ) 2475: ) 2476: { 2477: $selectionmade = 3; 2478: } 2479: elsif ( ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems' ) ) { 2480: $selectionmade = 4; 2481: } 2482: elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources' ) { #BUGBUG 2483: $selectionmade = 4; 2484: } 2485: elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences' ) { 2486: $selectionmade = 7; 2487: } 2488: $form{'problem_split'} = $parmhash{'problem_stream_switch'}; 2489: $form{'suppress_tries'} = $parmhash{'suppress_tries'}; 2490: $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'}; 2491: $form{'print_discussions'} = $helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 2492: $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 2493: if ( ( $helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes' ) 2494: || ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) ) 2495: { 2496: $form{'problem_split'} = 'yes'; 2497: } 2498: my $flag_latex_header_remove = 'NO'; 2499: my $flag_page_in_sequence = 'NO'; 2500: my @master_seq = split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 2501: my $prevassignment = ''; 2502: 2503: &Apache::lonxml::clear_problem_counter(); 2504: 2505: my $pbreakresources = keys %page_breaks; 2506: for ( my $i = 0 ; $i <= $#master_seq ; $i++ ) { 2507: 2508: &Apache::lonenc::reset_enc(); 2509: 2510: # Note due to document structure, not allowed to put \newpage 2511: # prior to the first resource 2512: 2513: if ( defined $page_breaks{ $master_seq[$i] } ) { 2514: if ( $i != 0 ) { 2515: $result .= "\\newpage\n"; 2516: } 2517: } 2518: $result .= &get_extra_vspaces( $helper, $master_seq[$i] ); 2519: my ( $sequence, $middle_thingy, $urlp ) = 2520: &Apache::lonnet::decode_symb( $master_seq[$i] ); 2521: $urlp = &Apache::lonnet::clutter($urlp); 2522: $form{'symb'} = $master_seq[$i]; 2523: 2524: my $assignment = 2525: &Apache::lonxml::latex_special_symbols( 2526: &Apache::lonnet::gettitle($sequence), 'header' ) 2527: ; #title of the assignment which contains this problem 2528: 2529: if ( $selectionmade == 7 ) { 2530: $helper->{VARS}->{'assignment'} = $assignment; 2531: } 2532: if ( $i == 0 ) { $prevassignment = $assignment; } 2533: my $texversion = ''; 2534: if ( $urlp !~ m|^/adm/| 2535: && $urlp =~ 2536: /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/ 2537: ) 2538: { 2539: $resources_printed .= $urlp . ':'; 2540: &Apache::lonxml::remember_problem_counter(); 2541: if ( $flag_latex_header_remove eq 'NO' ) { 2542: $texversion .= 2543: &print_latex_header( $helper->{'VARS'}->{'LATEX_TYPE'} ) 2544: ; # RF 2545: $flag_latex_header_remove = 'YES'; 2546: } 2547: $texversion .= 2548: &ssi_with_retries( $urlp, $ssi_retry_count, %form ); 2549: if ( $urlp =~ /\.page$/ ) { 2550: ( $texversion, my $number_of_columns_page ) = 2551: &page_cleanup($texversion); 2552: if ( $number_of_columns_page > $number_of_columns ) { 2553: $number_of_columns = $number_of_columns_page; 2554: } 2555: $texversion =~ s/\\end{document}\d*/\\end{document}/; 2556: $flag_page_in_sequence = 'YES'; 2557: } 2558: 2559: if ( ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) 2560: || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) ) 2561: { 2562: 2563: # Don't permanently pervert the %form hash 2564: my %answerform = %form; 2565: $answerform{'grade_target'} = 'answer'; 2566: $answerform{'answer_output_mode'} = 'tex'; 2567: $resources_printed .= $urlp . ':'; 2568: 2569: &Apache::lonxml::restore_problem_counter(); 2570: my $answer = 2571: &ssi_with_retries( $urlp, $ssi_retry_count, %answerform ); 2572: 2573: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) { 2574: $texversion =~ 2575: s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 2576: } 2577: else { 2578: if ( $urlp =~ 2579: /\.(problem|exam|quiz|assess|survey|form|library)$/ 2580: ) 2581: { 2582: $texversion = 2583: &print_latex_header( 2584: $helper->{'VARS'}->{'LATEX_TYPE'} ); 2585: $texversion =~ s/\\begin{document}//; 2586: my $title = 2587: &Apache::lonnet::gettitle( $master_seq[$i] ); 2588: $title = 2589: &Apache::lonxml::latex_special_symbols($title); 2590: my $body = 2591: '\vskip 0 mm \noindent\textbf{' 2592: . $title 2593: . '}\vskip 0 mm '; 2594: $body .= &path_to_problem( $urlp, $LaTeXwidth ); 2595: $body .= '\vskip 1 mm ' . $answer; 2596: $body = &encapsulate_minipage($body); 2597: $texversion .= $body; 2598: } 2599: else { 2600: $texversion = ''; 2601: } 2602: } 2603: 2604: } 2605: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 2606: my $annotation .= &annotate($urlp); 2607: $texversion =~ 2608: s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/; 2609: } 2610: 2611: if ( $flag_latex_header_remove ne 'NO' ) { 2612: $texversion = &latex_header_footer_remove($texversion); 2613: } 2614: else { 2615: $texversion =~ s/\\end{document}//; 2616: } 2617: if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) { 2618: $texversion = &IndexCreation( $texversion, $urlp ); 2619: } 2620: if ( ( $selectionmade == 4 ) 2621: and ( $assignment ne $prevassignment ) ) 2622: { 2623: my $name = &get_name(); 2624: my $courseidinfo = &get_course(); 2625: $prevassignment = $assignment; 2626: my $header_text = $parmhash{'print_header_format'}; 2627: $header_text = &format_page_header( 2628: $textwidth, $header_text, $assignment, 2629: $courseidinfo, $name 2630: ); 2631: 2632: if ( $numberofcolumns eq '1' ) { 2633: $result .= 2634: '\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{' 2635: . $header_text 2636: . '}} \vskip 5 mm '; 2637: } 2638: else { 2639: $result .= 2640: '\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{' 2641: . $header_text 2642: . '}} \vskip 5 mm '; 2643: } 2644: } 2645: $result .= $texversion; 2646: $flag_latex_header_remove = 'YES'; 2647: } 2648: elsif ( $urlp =~ /\/(smppg|syllabus|aboutme|bulletinboard)$/ ) { 2649: $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'}; 2650: if ( $urlp =~ /\/syllabus$/ ) { $urlp =~ s/\/res//; } 2651: $resources_printed .= $urlp . ':'; 2652: my $texversion = 2653: &ssi_with_retries( $urlp, $ssi_retry_count, %form ); 2654: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 2655: my $annotation = &annotate($urlp); 2656: $texversion =~ s/(\\end{document)/$annotation$1/; 2657: } 2658: 2659: if ( $flag_latex_header_remove ne 'NO' ) { 2660: $texversion = &latex_header_footer_remove($texversion); 2661: } 2662: else { 2663: $texversion =~ 2664: s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/; 2665: } 2666: $result .= $texversion; 2667: $flag_latex_header_remove = 'YES'; 2668: } 2669: elsif ( $urlp =~ /\.pdf$/i ) { 2670: if ( $i > 0 ) { 2671: $result .= '\cleardoublepage'; 2672: } 2673: $result .= &include_pdf($urlp); 2674: if ( $i != $#master_seq ) { 2675: if ( $numberofcolumns eq '1' ) { 2676: $result .= '\newpage'; 2677: } 2678: else { 2679: 2680: # the \\'s seem to be needed to let LaTeX know there's something 2681: # on the page since LaTeX seems to not like to clear an empty page. 2682: # 2683: $result .= '\\ \cleardoublepage'; 2684: } 2685: } 2686: $flag_latex_header_remove = 'YES'; 2687: 2688: } 2689: else { 2690: $texversion = 2691: &unsupported( $urlp, $helper->{'VARS'}->{'LATEX_TYPE'}, 2692: $master_seq[$i] ); 2693: if ( $flag_latex_header_remove ne 'NO' ) { 2694: $texversion = &latex_header_footer_remove($texversion); 2695: } 2696: else { 2697: $texversion =~ s/\\end{document}//; 2698: } 2699: $result .= $texversion; 2700: $flag_latex_header_remove = 'YES'; 2701: } 2702: if ( &Apache::loncommon::connection_aborted($r) ) { 2703: last; 2704: } 2705: } 2706: &Apache::lonxml::clear_problem_counter(); 2707: if ( $flag_page_in_sequence eq 'YES' ) { 2708: $result =~ 2709: s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/; 2710: } 2711: $result .= '\end{document}'; 2712: } 2713: elsif ( 2714: ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students' ) 2715: || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 2716: 'problems_for_students_from_page' ) 2717: || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students' ) 2718: || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students' ) 2719: ) 2720: { 2721: 2722: #-- prints assignments for whole class or for selected students 2723: my $type; 2724: if ( 2725: ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students' ) 2726: || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 2727: 'problems_for_students_from_page' ) 2728: || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students' ) 2729: ) 2730: { 2731: $selectionmade = 5; 2732: $type = 'problems'; 2733: } 2734: elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students' ) 2735: { 2736: $selectionmade = 8; 2737: $type = 'resources'; 2738: } 2739: my @students = split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'}; 2740: 2741: # The normal sort order is by section then by students within the 2742: # section. If the helper var student_sort is 1, then the user has elected 2743: # to override this and output the students by name. 2744: # Each element of the students array is of the form: 2745: # username:domain:section:last, first:status 2746: # 2747: # Note that student sort is not compatible with printing 2748: # 1 section per pdf...so that setting overrides. 2749: # 2750: if ( ( $helper->{'VARS'}->{'student_sort'} eq 1 ) 2751: && ( $helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections" ) ) 2752: { 2753: @students = sort compare_names @students; 2754: } 2755: &adjust_number_to_print($helper); 2756: 2757: if ( $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' 2758: || $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) 2759: { 2760: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students + 1; 2761: } 2762: 2763: # If we are splitting on section boundaries, we need 2764: # to remember that in split_on_sections and 2765: # print all of the students in the list. 2766: # 2767: my $split_on_sections = 0; 2768: if ( $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section' ) { 2769: $split_on_sections = 1; 2770: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students + 1; 2771: } 2772: my @master_seq = split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 2773: 2774: #loop over students 2775: 2776: my $flag_latex_header_remove = 'NO'; 2777: my %moreenv; 2778: $moreenv{'instructor_comments'} = 'hide'; 2779: $moreenv{'textwidth'} = &get_textwidth( $helper, $LaTeXwidth ); 2780: $moreenv{'print_discussions'} = 2781: $helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 2782: $moreenv{'print_annotations'} = 2783: $helper->{'VARS'}->{'PRINT_ANNOTATIONS'}; 2784: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'}; 2785: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'}; 2786: 2787: if ( ( $helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes' ) 2788: || ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) ) 2789: { 2790: $moreenv{'problem_split'} = 'yes'; 2791: } 2792: my %prog_state = &Apache::lonhtmlcommon::Create_PrgWin( 2793: $r, 'Print Status', 2794: 'Class Print Status', 2795: $#students + 1, 2796: 'inline', '75' 2797: ); 2798: my $student_counter = -1; 2799: my $i = 0; 2800: my $last_section = ( split( /:/, $students[0] ) )[2]; 2801: foreach my $person (@students) { 2802: 2803: my $duefile = 2804: "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due"; 2805: if ( -e $duefile ) { 2806: my $temp_file = Apache::File->new( '>>' . $duefile ); 2807: print $temp_file "1969\n"; 2808: } 2809: $student_counter++; 2810: if ($split_on_sections) { 2811: my $this_section = ( split( /:/, $person ) )[2]; 2812: if ( $this_section ne $last_section ) { 2813: $i++; 2814: $last_section = $this_section; 2815: } 2816: } 2817: else { 2818: $i = int( 2819: $student_counter / $helper->{'VARS'}{'NUMBER_TO_PRINT'} ); 2820: } 2821: my ( $output, $fullname, $printed ) = 2822: &print_resources( $r, $helper, $person, $type, \%moreenv, 2823: \@master_seq, $flag_latex_header_remove, $LaTeXwidth ); 2824: $resources_printed .= ":"; 2825: $print_array[$i] .= $output; 2826: $student_names[$i] .= $person . ':' . $fullname . '_END_'; 2827: &Apache::lonhtmlcommon::Increment_PrgWin( $r, \%prog_state, 2828: &mt('last student') . ' ' . $fullname ); 2829: $flag_latex_header_remove = 'YES'; 2830: if ( &Apache::loncommon::connection_aborted($r) ) { last; } 2831: } 2832: &Apache::lonhtmlcommon::Close_PrgWin( $r, \%prog_state ); 2833: $result .= $print_array[0] . ' \end{document}'; 2834: } 2835: elsif (( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon' ) 2836: || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page' ) 2837: || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon' ) ) 2838: { 2839: my $cdom = $env{ 'course.' . $env{'request.course.id'} . '.domain' }; 2840: my $cnum = $env{ 'course.' . $env{'request.course.id'} . '.num' }; 2841: my $num_todo = $helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'}; 2842: my $code_name = $helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'}; 2843: my $old_name = $helper->{'VARS'}->{'REUSE_OLD_CODES'}; 2844: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'}; 2845: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'}; 2846: 2847: my $code_option = $helper->{'VARS'}->{'CODE_OPTION'}; 2848: my @lines = &Apache::grades::get_scantronformat_file(); 2849: my ( $code_type, $code_length ) = ( 'letter', 6 ); 2850: foreach my $line (@lines) { 2851: my ( $name, $type, $length ) = ( split( /:/, $line ) )[ 0, 2, 4 ]; 2852: if ( $name eq $code_option ) { 2853: $code_length = $length; 2854: if ( $type eq 'number' ) { $code_type = 'number'; } 2855: } 2856: } 2857: my %moreenv = ( 'textwidth' => &get_textwidth( $helper, $LaTeXwidth ) ); 2858: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'}; 2859: $moreenv{'instructor_comments'} = 'hide'; 2860: my $seed = time + ( $$ << 16 ) + ($$); 2861: my @allcodes; 2862: if ($old_name) { 2863: my %result = 2864: &Apache::lonnet::get( 'CODEs', [ $old_name, "type\0$old_name" ], 2865: $cdom, $cnum ); 2866: $code_type = $result{"type\0$old_name"}; 2867: @allcodes = split( ',', $result{$old_name} ); 2868: $num_todo = scalar(@allcodes); 2869: } 2870: elsif ($selected_code) { # Selection value is always numeric. 2871: $num_todo = 1; 2872: @allcodes = ($selected_code); 2873: } 2874: elsif ($single_code) { 2875: 2876: $num_todo = 1; # Unconditionally one code to do. 2877: # If an alpha code have to convert to numbers so it can be 2878: # converted back to letters again :-) 2879: # 2880: if ( $code_type ne 'number' ) { 2881: $single_code = &letters_to_num($single_code); 2882: } 2883: @allcodes = ($single_code); 2884: } 2885: else { 2886: my %allcodes; 2887: srand($seed); 2888: for ( my $i = 0 ; $i < $num_todo ; $i++ ) { 2889: $moreenv{'CODE'} = 2890: &get_CODE( \%allcodes, $i, $seed, $code_length, $code_type ); 2891: } 2892: if ($code_name) { 2893: &Apache::lonnet::put( 2894: 'CODEs', 2895: { 2896: $code_name => join( ',', keys(%allcodes) ), 2897: "type\0$code_name" => $code_type 2898: }, 2899: $cdom, $cnum 2900: ); 2901: } 2902: @allcodes = keys(%allcodes); 2903: } 2904: my @master_seq = split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 2905: my ($type) = split( /_/, $helper->{'VARS'}->{'PRINT_TYPE'} ); 2906: &adjust_number_to_print($helper); 2907: my $number_per_page = $helper->{'VARS'}->{'NUMBER_TO_PRINT'}; 2908: if ( $number_per_page eq '0' || $number_per_page eq 'all' ) { 2909: $number_per_page = $num_todo; 2910: } 2911: my $flag_latex_header_remove = 'NO'; 2912: my %prog_state = 2913: &Apache::lonhtmlcommon::Create_PrgWin( $r, 'Print Status', 2914: 'Class Print Status', 2915: $num_todo, 'inline', '75' ); 2916: my $count = 0; 2917: foreach my $code ( sort(@allcodes) ) { 2918: my $file_num = int( $count / $number_per_page ); 2919: if ( $code_type eq 'number' ) { 2920: $moreenv{'CODE'} = $code; 2921: } 2922: else { 2923: $moreenv{'CODE'} = &num_to_letters($code); 2924: } 2925: my ( $output, $fullname, $printed ) = 2926: &print_resources( $r, $helper, 'anonymous', $type, \%moreenv, 2927: \@master_seq, $flag_latex_header_remove, $LaTeXwidth ); 2928: $resources_printed .= ":"; 2929: $print_array[$file_num] .= $output; 2930: &Apache::lonhtmlcommon::Increment_PrgWin( $r, \%prog_state, 2931: &mt('last assignment') . ' ' . $fullname ); 2932: $flag_latex_header_remove = 'YES'; 2933: $count++; 2934: if ( &Apache::loncommon::connection_aborted($r) ) { last; } 2935: } 2936: &Apache::lonhtmlcommon::Close_PrgWin( $r, \%prog_state ); 2937: $result .= $print_array[0] . ' \end{document}'; 2938: } 2939: elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory' ) { 2940: 2941: #prints selected problems from the subdirectory 2942: $selectionmade = 6; 2943: my @list_of_files = split /\|\|\|/, $helper->{'VARS'}->{'FILES'}; 2944: @list_of_files = sort @list_of_files; 2945: my $flag_latex_header_remove = 'NO'; 2946: my $rndseed = time; 2947: if ( $helper->{'VARS'}->{'curseed'} ) { 2948: $rndseed = $helper->{'VARS'}->{'curseed'}; 2949: } 2950: for ( my $i = 0 ; $i <= $#list_of_files ; $i++ ) { 2951: 2952: &Apache::lonenc::reset_enc(); 2953: 2954: my $urlp = $list_of_files[$i]; 2955: $urlp =~ s|//|/|; 2956: if ( $urlp =~ /\// ) { 2957: $form{'problem_split'} = $parmhash{'problem_stream_switch'}; 2958: $form{'rndseed'} = $rndseed; 2959: if ( $urlp =~ m|/home/([^/]+)/public_html| ) { 2960: $urlp =~ s|/home/([^/]*)/public_html|/~$1|; 2961: } 2962: else { 2963: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||; 2964: } 2965: $resources_printed .= $urlp . ':'; 2966: my $texversion = 2967: &ssi_with_retries( $urlp, $ssi_retry_count, %form ); 2968: if ( ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) 2969: || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) ) 2970: { 2971: 2972: # Don't permanently pervert %form: 2973: my %answerform = %form; 2974: $answerform{'grade_target'} = 'answer'; 2975: $answerform{'answer_output_mode'} = 'tex'; 2976: $answerform{'latex_type'} = 2977: $helper->{'VARS'}->{'LATEX_TYPE'}; 2978: $answerform{'rndseed'} = $rndseed; 2979: $resources_printed .= $urlp . ':'; 2980: my $answer = 2981: &ssi_with_retries( $urlp, $ssi_retry_count, %answerform ); 2982: 2983: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) { 2984: $texversion =~ 2985: s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 2986: } 2987: else { 2988: $texversion = 2989: &print_latex_header( 2990: $helper->{'VARS'}->{'LATEX_TYPE'} ); 2991: if ( $helper->{'VARS'}->{'construction'} ne '1' ) { 2992: $texversion .= '\vskip 0 mm \noindent '; 2993: $texversion .= 2994: &path_to_problem( $urlp, $LaTeXwidth ); 2995: } 2996: else { 2997: $texversion .= 2998: '\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 2999: my $URLpath = $urlp; 3000: $URLpath =~ s/~([^\/]+)/public_html\/$1\/$1/; 3001: $texversion .= 3002: &path_to_problem( $URLpath, $LaTeXwidth ); 3003: } 3004: $texversion .= 3005: '\vskip 1 mm ' . $answer . '\end{document}'; 3006: } 3007: } 3008: 3009: #this chunk is responsible for printing the path to problem 3010: 3011: my $newurlp = $urlp; 3012: if ( $newurlp =~ /~/ ) { 3013: $newurlp =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|; 3014: } 3015: $newurlp = &path_to_problem( $newurlp, $LaTeXwidth ); 3016: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/; 3017: if ( $flag_latex_header_remove ne 'NO' ) { 3018: $texversion = &latex_header_footer_remove($texversion); 3019: } 3020: else { 3021: $texversion =~ s/\\end{document}//; 3022: } 3023: if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) { 3024: $texversion = &IndexCreation( $texversion, $urlp ); 3025: } 3026: if ( $helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes' ) { 3027: $texversion =~ 3028: s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 3029: 3030: } 3031: $result .= $texversion; 3032: } 3033: $flag_latex_header_remove = 'YES'; 3034: } 3035: if ( $helper->{VARS}->{'construction'} eq '1' ) { 3036: $result =~ s/(\\typeout)/ RANDOM SEED IS $rndseed $1/; 3037: } 3038: $result .= '\end{document}'; 3039: } 3040: 3041: #-------------------------------------------------------- corrections for the different page formats 3042: 3043: # Only post process if that has not been turned off e.g. by a raw latex resource. 3044: 3045: if ($do_postprocessing) { 3046: $result = &page_format_transformation( 3047: $papersize, 3048: $laystyle, 3049: $numberofcolumns, 3050: $helper->{'VARS'}->{'PRINT_TYPE'}, 3051: $result, 3052: $helper->{VARS}->{'assignment'}, 3053: $helper->{'VARS'}->{'TABLE_CONTENTS'}, 3054: $helper->{'VARS'}->{'TABLE_INDEX'}, 3055: $selectionmade 3056: ); 3057: $result = 3058: &latex_corrections( $number_of_columns, $result, $selectionmade, 3059: $helper->{'VARS'}->{'ANSWER_TYPE'} ); 3060: 3061: #if ($numberofcolumns == 1) { 3062: $result =~ 3063: s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /; 3064: $result =~ 3065: s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /; 3066: $result =~ 3067: s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 3068: $result =~ 3069: s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 3070: 3071: #} 3072: } 3073: 3074: # Set URLback if this is a construction space print so we can provide 3075: # a link to the resource being edited. 3076: # 3077: 3078: my $URLback = ''; #link to original document 3079: if ( $helper->{'VARS'}->{'construction'} eq '1' ) { 3080: 3081: #prints resource from the construction space 3082: $URLback = '/' . $helper->{'VARS'}->{'filename'}; 3083: if ( $URLback =~ /([^?]+)/ ) { 3084: $URLback = $1; 3085: $URLback =~ s|^/~|/priv/|; 3086: } 3087: } 3088: 3089: # 3090: # Final adjustment of the font size: 3091: # 3092: 3093: $result = set_font_size($result); 3094: 3095: #-- writing .tex file in prtspool 3096: my $temp_file; 3097: my $identifier = &Apache::loncommon::get_cgi_id(); 3098: my $filename = 3099: "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex"; 3100: if ( !( $#print_array > 0 ) ) { 3101: unless ( $temp_file = Apache::File->new( '>' . $filename ) ) { 3102: $r->log_error("Couldn't open $filename for output $!"); 3103: return SERVER_ERROR; 3104: } 3105: print $temp_file $result; 3106: my $begin = index( $result, '\begin{document}', 0 ); 3107: my $inc = substr( $result, 0, $begin + 16 ); 3108: } 3109: else { 3110: my $begin = index( $result, '\begin{document}', 0 ); 3111: my $inc = substr( $result, 0, $begin + 16 ); 3112: for ( my $i = 0 ; $i <= $#print_array ; $i++ ) { 3113: if ( $i == 0 ) { 3114: $print_array[$i] = $result; 3115: } 3116: else { 3117: $print_array[$i] .= '\end{document}'; 3118: $print_array[$i] = 3119: &latex_corrections( $number_of_columns, $print_array[$i], 3120: $selectionmade, $helper->{'VARS'}->{'ANSWER_TYPE'} ); 3121: 3122: my $anobegin = 3123: index( $print_array[$i], '\setcounter{page}', 0 ); 3124: substr( $print_array[$i], 0, $anobegin ) = ''; 3125: $print_array[$i] = $inc . $print_array[$i]; 3126: } 3127: my $temp_file; 3128: my $newfilename = $filename; 3129: my $num = $i + 1; 3130: $newfilename =~ s/\.tex$//; 3131: $newfilename = sprintf( "%s_%03d.tex", $newfilename, $num ); 3132: unless ( $temp_file = Apache::File->new( '>' . $newfilename ) ) { 3133: $r->log_error("Couldn't open $newfilename for output $!"); 3134: return SERVER_ERROR; 3135: } 3136: print $temp_file $print_array[$i]; 3137: } 3138: } 3139: my $student_names = ''; 3140: if ( $#print_array > 0 ) { 3141: for ( my $i = 0 ; $i <= $#print_array ; $i++ ) { 3142: $student_names .= $student_names[$i] . '_ENDPERSON_'; 3143: } 3144: } 3145: else { 3146: if ( $#student_names > -1 ) { 3147: $student_names = $student_names[0] . '_ENDPERSON_'; 3148: } 3149: else { 3150: my $fullname = &get_name( $env{'user.name'}, $env{'user.domain'} ); 3151: $student_names = join( ':', 3152: $env{'user.name'}, $env{'user.domain'}, 3153: $env{'request.course.sec'}, $fullname ) 3154: . '_ENDPERSON_' . '_END_'; 3155: } 3156: } 3157: 3158: # logic for now is too complex to trace if this has been defined 3159: # yet. 3160: my $cnum = $env{ 'course.' . $env{'request.course.id'} . '.num' }; 3161: my $cdom = $env{ 'course.' . $env{'request.course.id'} . '.domain' }; 3162: &Apache::lonnet::appenv( 3163: { 3164: 'cgi.' . $identifier . '.file' => $filename, 3165: 'cgi.' . $identifier . '.layout' => $laystyle, 3166: 'cgi.' . $identifier . '.numcol' => $numberofcolumns, 3167: 'cgi.' . $identifier . '.paper' => $papersize, 3168: 'cgi.' . $identifier . '.selection' => $selectionmade, 3169: 'cgi.' 3170: . $identifier 3171: . '.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'}, 3172: 'cgi.' 3173: . $identifier 3174: . '.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'}, 3175: 'cgi.' . $identifier . '.role' => $perm{'pav'}, 3176: 'cgi.' . $identifier . '.numberoffiles' => $#print_array, 3177: 'cgi.' . $identifier . '.studentnames' => $student_names, 3178: 'cgi.' . $identifier . '.backref' => $URLback, 3179: } 3180: ); 3181: &Apache::lonnet::appenv( 3182: { 3183: "cgi.$identifier.user" => $env{'user.name'}, 3184: "cgi.$identifier.domain" => $env{'user.domain'}, 3185: "cgi.$identifier.courseid" => $cnum, 3186: "cgi.$identifier.coursedom" => $cdom, 3187: "cgi.$identifier.resources" => $resources_printed 3188: } 3189: ); 3190: 3191: my $end_page = &Apache::loncommon::end_page(); 3192: my $continue_text = &mt('Continue'); 3193: 3194: # If there's been an unrecoverable SSI error, report it to the user 3195: if ($ssi_error) { 3196: my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk'); 3197: $r->print( 3198: '<br /><p class="LC_error">' 3199: . &mt('An unrecoverable network error occurred:') 3200: . '</p><p>' 3201: . &mt( 3202: 'At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:' 3203: ) 3204: . '<br />' 3205: . $ssi_last_error_resource 3206: . '<br />' 3207: . $ssi_last_error 3208: . '</p><p>' 3209: . &mt( 3210: '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.' 3211: ) 3212: . '<br />' 3213: . &mt( 3214: 'You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.' 3215: ) 3216: . '<br />' 3217: . &mt( 3218: 'If the error persists, please contact the [_1] for assistance.', 3219: $helpurl 3220: ) 3221: . '</p><p>' 3222: . &mt('We apologize for the inconvenience.') . '</p>' 3223: . '<a href="/cgi-bin/printout.pl?' 3224: . $identifier . '">' 3225: . $continue_text . '</a>' 3226: . $end_page 3227: ); 3228: } 3229: else { 3230: $r->print(<<FINALEND); 3231: <br /> 3232: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" /> 3233: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a> 3234: $end_page 3235: FINALEND 3236: } # endif ssi errors. 3237: } 3238: 3239: sub get_CODE { 3240: my ( $all_codes, $num, $seed, $size, $type ) = @_; 3241: my $max = '1' . '0' x $size; 3242: my $newcode; 3243: while (1) { 3244: $newcode = sprintf( "%0" . $size . "d", int( rand($max) ) ); 3245: if ( !exists( $$all_codes{$newcode} ) ) { 3246: $$all_codes{$newcode} = 1; 3247: if ( $type eq 'number' ) { 3248: return $newcode; 3249: } 3250: else { 3251: return &num_to_letters($newcode); 3252: } 3253: } 3254: } 3255: } 3256: 3257: sub print_resources { 3258: my ( $r, $helper, $person, $type, $moreenv, $master_seq, 3259: $remove_latex_header, $LaTeXwidth ) 3260: = @_; 3261: my $current_output = ''; 3262: my $printed = ''; 3263: my ( $username, $userdomain, $usersection ) = split /:/, $person; 3264: my $fullname = &get_name( $username, $userdomain ); 3265: my $namepostfix = 3266: "\\\\"; # Both anon and not anon should get the same vspace. 3267: if ( $person =~ 'anon' ) { 3268: $namepostfix .= "Name: "; 3269: $fullname = "CODE - " . $moreenv->{'CODE'}; 3270: } 3271: 3272: # Fullname may have special latex characters that need \ prefixing: 3273: # 3274: 3275: my $i = 0; 3276: 3277: #goes through all resources, checks if they are available for 3278: #current student, and produces output 3279: 3280: &Apache::lonxml::clear_problem_counter(); 3281: my %page_breaks = &get_page_breaks($helper); 3282: my $columns_in_format = ( split( /\|/, $helper->{'VARS'}->{'FORMAT'} ) )[1]; 3283: 3284: # 3285: # end each student with a 3286: # Special that allows the post processor to even out the page 3287: # counts later. Nasty problem this... it would be really 3288: # nice to put the special in as a postscript comment 3289: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately, 3290: # The special gets passed the \ and dvips puts it in the output file 3291: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the 3292: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself. 3293: # 3294: my $syllabus_first = 0; 3295: foreach my $curresline ( @{$master_seq} ) { 3296: if ( defined $page_breaks{$curresline} ) { 3297: if ( $i != 0 ) { 3298: $current_output .= "\\newpage\n"; 3299: } 3300: } 3301: $current_output .= &get_extra_vspaces( $helper, $curresline ); 3302: $i++; 3303: 3304: if ( 3305: !( 3306: $type eq 'problems' 3307: && ( $curresline !~ 3308: m/\.(problem|exam|quiz|assess|survey|form|library)$/ ) 3309: ) 3310: ) 3311: { 3312: my ( $map, $id, $res_url ) = 3313: &Apache::lonnet::decode_symb($curresline); 3314: if ( &Apache::lonnet::allowed( 'bre', $res_url ) ) { 3315: if ( $res_url !~ m|^ext/| 3316: && $res_url =~ 3317: /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/ 3318: ) 3319: { 3320: $printed .= $curresline . ':'; 3321: &Apache::lonxml::remember_problem_counter(); 3322: 3323: my $rendered = 3324: &get_student_view_with_retries( $curresline, 3325: $ssi_retry_count, $username, $userdomain, 3326: $env{'request.course.id'}, 3327: 'tex', $moreenv ); 3328: if ( ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) 3329: || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) ) 3330: { 3331: 3332: # Use a copy of the hash so we don't pervert it on future loop passes. 3333: my %answerenv = %{$moreenv}; 3334: $answerenv{'answer_output_mode'} = 'tex'; 3335: $answerenv{'latex_type'} = 3336: $helper->{'VARS'}->{'LATEX_TYPE'}; 3337: 3338: &Apache::lonxml::restore_problem_counter(); 3339: 3340: my $ansrendered = 3341: &Apache::loncommon::get_student_answers( $curresline, 3342: $username, $userdomain, $env{'request.course.id'}, 3343: %answerenv ); 3344: 3345: if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) { 3346: $rendered =~ 3347: s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/; 3348: } 3349: else { 3350: 3351: my $header = 3352: &print_latex_header( 3353: $helper->{'VARS'}->{'LATEX_TYPE'} ); 3354: $header =~ s/\\begin{document}//; #<<<<< 3355: my $title = &Apache::lonnet::gettitle($curresline); 3356: $title = 3357: &Apache::lonxml::latex_special_symbols($title); 3358: my $body = 3359: '\vskip 0 mm \noindent\textbf{' 3360: . $title 3361: . '}\vskip 0 mm '; 3362: $body .= &path_to_problem( $res_url, $LaTeXwidth ); 3363: $body .= '\vskip 1 mm ' . $ansrendered; 3364: $body = &encapsulate_minipage($body); 3365: $rendered = $header . $body; 3366: } 3367: } 3368: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 3369: my $url = &Apache::lonnet::clutter($res_url); 3370: my $annotation = &annotate($url); 3371: $rendered =~ 3372: s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/; 3373: } 3374: my $junk; 3375: if ( $remove_latex_header eq 'YES' ) { 3376: $rendered = &latex_header_footer_remove($rendered); 3377: } 3378: else { 3379: $rendered =~ s/\\end{document}//; 3380: } 3381: $current_output .= $rendered; 3382: } 3383: elsif ( 3384: $res_url =~ /\/(smppg|syllabus|aboutme|bulletinboard)$/ ) 3385: { 3386: if ( $i == 1 ) { 3387: $syllabus_first = 1; 3388: } 3389: $printed .= $curresline . ':'; 3390: my $rendered = 3391: &get_student_view_with_retries( $curresline, 3392: $ssi_retry_count, $username, $userdomain, 3393: $env{'request.course.id'}, 3394: 'tex', $moreenv ); 3395: if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) { 3396: my $url = &Apache::lonnet::clutter($res_url); 3397: my $annotation = &annotate($url); 3398: $annotation =~ s/(\\end{document})/$annotation$1/; 3399: } 3400: if ( $remove_latex_header eq 'YES' ) { 3401: $rendered = &latex_header_footer_remove($rendered); 3402: } 3403: else { 3404: $rendered =~ s/\\end{document}//; 3405: } 3406: $current_output .= $rendered 3407: . '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut '; 3408: } 3409: elsif ( $res_url = ~/\.pdf$/ ) { 3410: my $url = &Apache::lonnet::clutter($res_url); 3411: my $rendered = &include_pdf($url); 3412: if ( $remove_latex_header ne 'NO' ) { 3413: $rendered = &latex_header_footer_remove($rendered); 3414: } 3415: $current_output .= $rendered; 3416: } 3417: else { 3418: my $rendered = 3419: &unsupported( $res_url, $helper->{'VARS'}->{'LATEX_TYPE'}, 3420: $curresline ); 3421: if ( $remove_latex_header ne 'NO' ) { 3422: $rendered = &latex_header_footer_remove($rendered); 3423: } 3424: else { 3425: $rendered =~ s/\\end{document}//; 3426: } 3427: $current_output .= $rendered; 3428: } 3429: } 3430: $remove_latex_header = 'YES'; 3431: } 3432: if ( &Apache::loncommon::connection_aborted($r) ) { last; } 3433: } 3434: 3435: my $courseidinfo = &get_course(); 3436: my $currentassignment = 3437: &Apache::lonxml::latex_special_symbols( $helper->{VARS}->{'assignment'}, 3438: 'header' ); 3439: my $header_line = 3440: &format_page_header( $LaTeXwidth, $parmhash{'print_header_format'}, 3441: $currentassignment, $courseidinfo, $fullname, $usersection ); 3442: my $header_start = 3443: ( $columns_in_format == 1 ) 3444: ? '\lhead' 3445: : '\fancyhead[LO]'; 3446: $header_line = $header_start . '{' . $header_line . '}'; 3447: if ( $current_output =~ /\\documentclass/ && ( !$syllabus_first ) ) { 3448: $current_output =~ 3449: s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /; 3450: } 3451: elsif ($syllabus_first) { 3452: 3453: $current_output =~ s/\\\\ Last updated:/Last updated:/; 3454: } 3455: else { 3456: my $blankpages = 3457: '\clearpage\strut\clearpage' x $helper->{'VARS'}->{'EMPTY_PAGES'}; 3458: 3459: $current_output = 3460: '\strut\vspace*{-6 mm}\\newline' 3461: . &copyright_line() 3462: . ' \newpage ' 3463: . $blankpages 3464: . $end_of_student 3465: . '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent' 3466: . $header_line 3467: . $namepostfix 3468: . '} \vskip 5 mm ' 3469: . $current_output; 3470: } 3471: 3472: # 3473: # Close the student bracketing. 3474: # 3475: return ( $current_output, $fullname, $printed ); 3476: 3477: } 3478: 3479: sub handler { 3480: 3481: my $r = shift; 3482: 3483: &init_perm(); 3484: 3485: my $helper = printHelper($r); 3486: if ( !ref($helper) ) { 3487: return $helper; 3488: } 3489: 3490: %parmhash = &Apache::lonnet::coursedescription( $env{'request.course.id'} ); 3491: 3492: # If a figure conversion queue file exists for this user.domain 3493: # we delete it since it can only be bad (if it were good, printout.pl 3494: # would have deleted it the last time around. 3495: 3496: my $conversion_queuefile = 3497: "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat"; 3498: if ( -e $conversion_queuefile ) { 3499: unlink $conversion_queuefile; 3500: } 3501: 3502: &output_data( $r, $helper, \%parmhash ); 3503: return OK; 3504: } 3505: 3506: use Apache::lonhelper; 3507: 3508: sub addMessage { 3509: my $text = shift; 3510: my $paramHash = Apache::lonhelper::getParamHash(); 3511: $paramHash->{MESSAGE_TEXT} = $text; 3512: Apache::lonhelper::message->new(); 3513: } 3514: 3515: sub init_perm { 3516: undef(%perm); 3517: $perm{'pav'} = &Apache::lonnet::allowed( 'pav', $env{'request.course.id'} ); 3518: if ( !$perm{'pav'} ) { 3519: $perm{'pav'} = 3520: &Apache::lonnet::allowed( 'pav', 3521: $env{'request.course.id'} . '/' . $env{'request.course.sec'} ); 3522: } 3523: $perm{'pfo'} = &Apache::lonnet::allowed( 'pfo', $env{'request.course.id'} ); 3524: if ( !$perm{'pfo'} ) { 3525: $perm{'pfo'} = 3526: &Apache::lonnet::allowed( 'pfo', 3527: $env{'request.course.id'} . '/' . $env{'request.course.sec'} ); 3528: } 3529: } 3530: 3531: sub get_randomly_ordered_warning { 3532: my ( $helper, $map ) = @_; 3533: 3534: my $message; 3535: 3536: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'}; 3537: my $navmap = Apache::lonnavmaps::navmap->new(); 3538: if ( defined($navmap) ) { 3539: my $res = $navmap->getResourceByUrl($map); 3540: if ($res) { 3541: my $func = 3542: sub { return ( $_[0]->is_map() && $_[0]->randomorder ); }; 3543: my @matches = $navmap->retrieveResources( $res, $func, 1, 1, 1 ); 3544: if (@matches) { 3545: $message = 3546: "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order."; 3547: } 3548: } 3549: if ($message) { 3550: return '<message type="warning">' . $message . '</message>'; 3551: } 3552: } 3553: else { 3554: $message = 3555: "Retrieval of information about ordering of resources failed."; 3556: return '<message type="warning">' . $message . '</message>'; 3557: } 3558: return; 3559: } 3560: 3561: sub printHelper { 3562: my $r = shift; 3563: 3564: if ( $r->header_only ) { 3565: if ( $env{'browser.mathml'} ) { 3566: &Apache::loncommon::content_type( $r, 'text/xml' ); 3567: } 3568: else { 3569: &Apache::loncommon::content_type( $r, 'text/html' ); 3570: } 3571: $r->send_http_header; 3572: return OK; 3573: } 3574: 3575: # Send header, nocache 3576: if ( $env{'browser.mathml'} ) { 3577: &Apache::loncommon::content_type( $r, 'text/xml' ); 3578: } 3579: else { 3580: &Apache::loncommon::content_type( $r, 'text/html' ); 3581: } 3582: &Apache::loncommon::no_cache($r); 3583: $r->send_http_header; 3584: $r->rflush(); 3585: 3586: # Unfortunately, this helper is so complicated we have to 3587: # write it by hand 3588: 3589: Apache::loncommon::get_unprocessed_cgi( $ENV{QUERY_STRING} ); 3590: 3591: my $helper = Apache::lonhelper::helper->new("Printing Helper"); 3592: $helper->declareVar('symb'); 3593: $helper->declareVar('postdata'); 3594: $helper->declareVar('curseed'); 3595: $helper->declareVar('probstatus'); 3596: $helper->declareVar('filename'); 3597: $helper->declareVar('construction'); 3598: $helper->declareVar('assignment'); 3599: $helper->declareVar('style_file'); 3600: $helper->declareVar('student_sort'); 3601: $helper->declareVar('FINISHPAGE'); 3602: $helper->declareVar('PRINT_TYPE'); 3603: $helper->declareVar("showallfoils"); 3604: $helper->declareVar("STUDENTS"); 3605: $helper->declareVar("EXTRASPACE"); 3606: 3607: # The page breaks and extra spaces 3608: # can get loaded initially from the course environment: 3609: # But we only do this in the initial state so that they are allowed to change. 3610: # 3611: 3612: &Apache::loncommon::restore_course_settings( 3613: 'print', 3614: { 3615: 'pagebreaks' => 'scalar', 3616: 'extraspace' => 'scalar', 3617: 'extraspace_units' => 'scalar', 3618: 'lastprinttype' => 'scalar' 3619: } 3620: ); 3621: 3622: # This will persistently load in the data we want from the 3623: # very first screen. 3624: 3625: if ( $helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'} ) { 3626: if ( !defined( $env{"form.CURRENT_STATE"} ) ) { 3627: 3628: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'}; 3629: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'}; 3630: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'}; 3631: } 3632: else { 3633: my $state = $env{"form.CURRENT_STATE"}; 3634: if ( $state eq "START" ) { 3635: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'}; 3636: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'}; 3637: $helper->{VARS}->{EXTRASPACE_UNITS} = 3638: $env{'form.extraspace_units'}; 3639: 3640: } 3641: } 3642: 3643: } 3644: 3645: # Detect whether we're coming from construction space 3646: if ( 3647: $env{'form.postdata'} =~ /^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/ ) 3648: { 3649: $helper->{VARS}->{'filename'} = "~$1/$2"; 3650: $helper->{VARS}->{'construction'} = 1; 3651: } 3652: else { 3653: if ( $env{'form.postdata'} ) { 3654: $helper->{VARS}->{'symb'} = 3655: &Apache::lonnet::symbread( $env{'form.postdata'} ); 3656: if ( $helper->{VARS}->{'symb'} eq '' ) { 3657: $helper->{VARS}->{'postdata'} = $env{'form.postdata'}; 3658: } 3659: } 3660: if ( $env{'form.symb'} ) { 3661: $helper->{VARS}->{'symb'} = $env{'form.symb'}; 3662: } 3663: if ( $env{'form.url'} ) { 3664: $helper->{VARS}->{'symb'} = 3665: &Apache::lonnet::symbread( $helper->{VARS}->{'postdata'} ); 3666: } 3667: 3668: } 3669: 3670: if ( $env{'form.symb'} ) { 3671: $helper->{VARS}->{'symb'} = $env{'form.symb'}; 3672: } 3673: if ( $env{'form.url'} ) { 3674: $helper->{VARS}->{'symb'} = 3675: &Apache::lonnet::symbread( $helper->{VARS}->{'postdata'} ); 3676: 3677: } 3678: $helper->{VARS}->{'symb'} = 3679: &Apache::lonenc::check_encrypt( $helper->{VARS}->{'symb'} ); 3680: my ( $resourceTitle, $sequenceTitle, $mapTitle ) = 3681: &details_for_menu($helper); 3682: if ( $sequenceTitle ne '' ) { 3683: $helper->{VARS}->{'assignment'} = $sequenceTitle; 3684: } 3685: 3686: # Extract map 3687: my $symb = $helper->{VARS}->{'symb'}; 3688: my ( $map, $id, $url ); 3689: my $subdir; 3690: my $is_published = 0; # True when printing from resource space. 3691: 3692: # Get the resource name from construction space 3693: if ( $helper->{VARS}->{'construction'} ) { 3694: $resourceTitle = substr( $helper->{VARS}->{'filename'}, 3695: rindex( $helper->{VARS}->{'filename'}, '/' ) + 1 ); 3696: $subdir = substr( $helper->{VARS}->{'filename'}, 3697: 0, rindex( $helper->{VARS}->{'filename'}, '/' ) + 1 ); 3698: } 3699: else { 3700: 3701: # From course space: 3702: 3703: if ( $symb ne '' ) { 3704: ( $map, $id, $url ) = &Apache::lonnet::decode_symb($symb); 3705: $helper->{VARS}->{'postdata'} = 3706: &Apache::lonenc::check_encrypt( &Apache::lonnet::clutter($url) ); 3707: } 3708: else { 3709: $url = $helper->{VARS}->{'postdata'}; 3710: $is_published = 1; # From resource space. 3711: } 3712: $url = &Apache::lonnet::clutter($url); 3713: if ( !$resourceTitle ) 3714: { # if the resource doesn't have a title, use the filename 3715: my $postdata = $helper->{VARS}->{'postdata'}; 3716: $resourceTitle = substr( $postdata, rindex( $postdata, '/' ) + 1 ); 3717: } 3718: $subdir = &Apache::lonnet::filelocation( "", $url ); 3719: } 3720: if ( !$helper->{VARS}->{'curseed'} && $env{'form.curseed'} ) { 3721: $helper->{VARS}->{'curseed'} = $env{'form.curseed'}; 3722: } 3723: if ( !$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'} ) { 3724: $helper->{VARS}->{'probstatus'} = $env{'form.problemstatus'}; 3725: } 3726: 3727: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser(); 3728: 3729: Apache::lonhelper::registerHelperTags(); 3730: 3731: # "Delete everything after the last slash." 3732: $subdir =~ s|/[^/]+$||; 3733: 3734: # What can be printed is a very dynamic decision based on 3735: # lots of factors. So we need to dynamically build this list. 3736: # To prevent security leaks, states are only added to the wizard 3737: # if they can be reached, which ensures manipulating the form input 3738: # won't allow anyone to reach states they shouldn't have permission 3739: # to reach. 3740: 3741: # printChoices is tracking the kind of printing the user can 3742: # do, and will be used in a choices construction later. 3743: # In the meantime we will be adding states and elements to 3744: # the helper by hand. 3745: my $printChoices = []; 3746: my $paramHash; 3747: 3748: if ($resourceTitle) { 3749: push @{$printChoices}, 3750: [ 3751: "<b><i>$resourceTitle</i></b> (" 3752: . &mt('the resource you just saw on the screen') . ")", 3753: 'current_document', 'PAGESIZE' 3754: ]; 3755: } 3756: 3757: # Useful filter strings 3758: my $isProblem = 3759: '($res->is_problem()||$res->contains_problem||$res->is_practice()) '; 3760: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden; 3761: my $isProblemOrMap = 3762: '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()'; 3763: my $isNotMap = '!$res->is_sequence()'; 3764: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden; 3765: my $isMap = '$res->is_map()'; 3766: my $symbFilter = '$res->shown_symb()'; 3767: my $urlValue = '$res->link()'; 3768: 3769: $helper->declareVar('SEQUENCE'); 3770: 3771: # If we're in a sequence... 3772: 3773: my $start_new_option; 3774: if ( $perm{'pav'} ) { 3775: $start_new_option = 3776: "<option text='" 3777: . &mt('Start new page<br />before selected') 3778: . "' variable='FINISHPAGE' />" 3779: . "<option text='" 3780: . &mt('Extra space<br />before selected') 3781: . "' variable='EXTRASPACE' type='text' />" 3782: . "<option " 3783: . "' variable='POSSIBLE_RESOURCES' type='hidden' />" 3784: . "<option text='" 3785: . &mt('Space units<br />check for mm') 3786: . "' variable='EXTRASPACE_UNITS' type='checkbox' />"; 3787: 3788: } 3789: 3790: # If not construction space user can print the components of a page: 3791: 3792: my $page_ispage; 3793: my $page_title; 3794: if ( !$helper->{VARS}->{'construction'} ) { 3795: my $varspostdata = $helper->{VARS}->{'postdata'}; 3796: my $varsassignment = $helper->{VARS}->{'assignment'}; 3797: my $page_navmap = Apache::lonnavmaps::navmap->new(); 3798: if ( defined($page_navmap) ) { 3799: my @page_resources = $page_navmap->retrieveResources($url); 3800: if ( defined( $page_resources[0] ) ) { 3801: $page_ispage = $page_resources[0]->is_page(); 3802: $page_title = $page_resources[0]->title(); 3803: my $resourcesymb = $page_resources[0]->symb(); 3804: my ( $pagemap, $pageid, $pageurl ) = 3805: &Apache::lonnet::decode_symb($symb); 3806: if ($page_ispage) { 3807: push @{$printChoices}, 3808: [ 3809: &mt( 3810: 'Selected [_1]Problems[_2] from page [_3]', 3811: '<b>', '</b>', '<b><i>' . $page_title . '</i></b>' 3812: ), 3813: 'map_problems_in_page', 3814: 'CHOOSE_PROBLEMS_PAGE' 3815: ]; 3816: push @{$printChoices}, 3817: [ 3818: &mt( 3819: 'Selected [_1]Resources[_2] from page [_3]', 3820: '<b>', '</b>', '<b><i>' . $page_title . '</i></b>' 3821: ), 3822: 'map_resources_in_page', 3823: 'CHOOSE_RESOURCES_PAGE' 3824: ]; 3825: } 3826: my $helperFragment = &generate_resource_chooser( 3827: 'CHOOSE_PROBLEMS_PAGE', 3828: 'Select Problem(s) to print', 3829: "multichoice='1' toponly='1' addstatus='1' closeallpages='1'", 3830: 'RESOURCES', 3831: 'PAGESIZE', 3832: $url, 3833: $isProblem, 3834: '', 3835: $symbFilter, 3836: $start_new_option 3837: ); 3838: 3839: $helperFragment .= &generate_resource_chooser( 3840: 'CHOOSE_RESOURCES_PAGE', 3841: 'Select Resource(s) to print', 3842: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"', 3843: 'RESOURCES', 3844: 'PAGESIZE', 3845: $url, 3846: $isNotMap, 3847: '', 3848: $symbFilter, 3849: $start_new_option 3850: ); 3851: 3852: &Apache::lonxml::xmlparse( $r, 'helper', $helperFragment ); 3853: 3854: } 3855: } 3856: } 3857: 3858: if ( ( $helper->{'VAR'}->{'construction'} ne '1' ) 3859: && $helper->{VARS}->{'postdata'} 3860: && $helper->{VARS}->{'assignment'} ) 3861: { 3862: 3863: # Allow problems from sequence 3864: push @{$printChoices}, 3865: [ 3866: &mt( 3867: 'Selected [_1]Problems[_2] from folder [_3]', 3868: '<b>', '</b>', '<b><i>' . $sequenceTitle . '</i></b>' 3869: ), 3870: 'map_problems', 3871: 'CHOOSE_PROBLEMS' 3872: ]; 3873: 3874: # Allow all resources from sequence 3875: push @{$printChoices}, 3876: [ 3877: &mt( 3878: 'Selected [_1]Resources[_2] from folder [_3]', 3879: '<b>', '</b>', '<b><i>' . $sequenceTitle . '</i></b>' 3880: ), 3881: 'map_problems_pages', 3882: 'CHOOSE_PROBLEMS_HTML' 3883: ]; 3884: my $helperFragment = &generate_resource_chooser( 3885: 'CHOOSE_PROBLEMS', 3886: 'Select Problem(s) to print', 3887: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"', 3888: 'RESOURCES', 3889: 'PAGESIZE', 3890: $map, 3891: $isProblem, 3892: '', 3893: $symbFilter, 3894: $start_new_option 3895: ); 3896: $helperFragment .= &generate_resource_chooser( 3897: 'CHOOSE_PROBLEMS_HTML', 3898: 'Select Resource(s) to print', 3899: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"', 3900: 'RESOURCES', 3901: 'PAGESIZE', 3902: $map, 3903: $isNotMap, 3904: '', 3905: $symbFilter, 3906: $start_new_option 3907: ); 3908: 3909: &Apache::lonxml::xmlparse( $r, 'helper', $helperFragment ); 3910: } 3911: 3912: # If the user has pfo (print for others) allow them to print all 3913: # problems and resources in the entire course, optionally for selected students 3914: my $post_data = $helper->{VARS}->{'postdata'}; 3915: if ( 3916: $perm{'pfo'} 3917: && !$is_published 3918: && ( $post_data =~ /\/res\// 3919: || $post_data =~ /\/(syllabus|smppg|aboutme|bulletinboard)$/ ) 3920: ) 3921: { 3922: 3923: push @{$printChoices}, 3924: [ 3925: &mtn('Selected <b>Problems</b> from <b>entire course</b>'), 3926: 'all_problems', 'ALL_PROBLEMS' 3927: ]; 3928: push @{$printChoices}, 3929: [ 3930: &mtn('Selected <b>Resources</b> from <b>entire course</b>'), 3931: 'all_resources', 'ALL_RESOURCES' 3932: ]; 3933: push @{$printChoices}, 3934: [ 3935: &mtn( 3936: 'Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>' 3937: ), 3938: 'all_problems_students', 3939: 'ALL_PROBLEMS_STUDENTS' 3940: ]; 3941: my $suffixXml = <<ALL_PROBLEMS; 3942: <state name="STUDENTS1" title="Select People"> 3943: <message><b>Select sorting order of printout</b> </message> 3944: <choices variable='student_sort'> 3945: <choice computer='0'>Sort by section then student</choice> 3946: <choice computer='1'>Sort by students across sections.</choice> 3947: </choices> 3948: <message><br /><hr /><br /> </message> 3949: <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/> 3950: </state> 3951: ALL_PROBLEMS 3952: &Apache::lonxml::xmlparse( 3953: $r, 'helper', 3954: &generate_resource_chooser( 3955: 'ALL_PROBLEMS', 3956: 'SelectProblem(s) to print', 3957: 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"', 3958: 'RESOURCES', 3959: 'PAGESIZE', 3960: '', 3961: $isProblemOrMap, 3962: $isNotMap, 3963: $symbFilter, 3964: $start_new_option 3965: ) 3966: . &generate_resource_chooser( 3967: 'ALL_RESOURCES', 3968: 'Select Resource(s) to print', 3969: " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'", 3970: 'RESOURCES', 3971: 'PAGESIZE', 3972: '', 3973: $isNotMap, 3974: '', 3975: $symbFilter, 3976: $start_new_option 3977: ) 3978: . &generate_resource_chooser( 3979: 'ALL_PROBLEMS_STUDENTS', 3980: 'Select Problem(s) to print', 3981: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"', 3982: 'RESOURCES', 3983: 'STUDENTS1', 3984: '', 3985: $isProblemOrMap, 3986: '', 3987: $symbFilter, 3988: $start_new_option 3989: ) 3990: . $suffixXml 3991: ); 3992: 3993: if ( $helper->{VARS}->{'assignment'} ) { 3994: 3995: # If we were looking at a page, allow a selection of problems from the page 3996: # either for selected students or for coded assignments. 3997: 3998: if ($page_ispage) { 3999: push @{$printChoices}, 4000: [ 4001: &mt( 4002: 'Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]', 4003: '<b>', 4004: '</b>', 4005: '<b><i>' . $page_title . '</i></b>', 4006: '<b>', 4007: '</b>' 4008: ), 4009: 'problems_for_students_from_page', 4010: 'CHOOSE_TGT_STUDENTS_PAGE' 4011: ]; 4012: push @{$printChoices}, 4013: [ 4014: &mt( 4015: 'Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]', 4016: '<b>', 4017: '</b>', 4018: '<b><i>' . $page_title . '</i></b>', 4019: '<b>', 4020: '</b>' 4021: ), 4022: 'problems_for_anon_page', 4023: 'CHOOSE_ANON1_PAGE' 4024: ]; 4025: } 4026: push @{$printChoices}, 4027: [ 4028: &mt( 4029: 'Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]', 4030: '<b>', 4031: '</b>', 4032: '<b><i>' . $sequenceTitle . '</i></b>', 4033: '<b>', 4034: '</b>' 4035: ), 4036: 'problems_for_students', 4037: 'CHOOSE_STUDENTS' 4038: ]; 4039: push @{$printChoices}, 4040: [ 4041: &mt( 4042: 'Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]', 4043: '<b>', 4044: '</b>', 4045: '<b><i>' . $sequenceTitle . '</i></b>', 4046: '<b>', 4047: '</b>' 4048: ), 4049: 'problems_for_anon', 4050: 'CHOOSE_ANON1' 4051: ]; 4052: } 4053: 4054: my $randomly_ordered_warning = 4055: &get_randomly_ordered_warning( $helper, $map ); 4056: 4057: # resource_selector will hold a few states that: 4058: # - Allow resources to be selected for printing. 4059: # - Determine pagination between assignments. 4060: # - Determine how many assignments should be bundled into a single PDF. 4061: # TODO: 4062: # Probably good to do things like separate this up into several vars, each 4063: # with one state, and use REGEXPs at inclusion time to set state names 4064: # and next states for better mix and match capability 4065: # 4066: my $resource_selector = &generate_resource_chooser( 4067: 'SELECT_PROBLEMS', 4068: 'Select resources to print', 4069: 'multichoice="1" addstatus="1" closeallpages="1"', 4070: 'RESOURCES', 4071: 'PRINT_FORMATTING', 4072: $map, 4073: $isProblem, 4074: '', 4075: $symbFilter, 4076: $start_new_option 4077: ); 4078: $resource_selector .= <<RESOURCE_SELECTOR; 4079: <state name="PRINT_FORMATTING" title="How should results be printed?"> 4080: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> 4081: <choices variable="EMPTY_PAGES"> 4082: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> 4083: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> 4084: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> 4085: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> 4086: </choices> 4087: <nextstate>PAGESIZE</nextstate> 4088: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message> 4089: <choices variable="SPLIT_PDFS"> 4090: <choice computer="all">All assignments in a single PDF file</choice> 4091: <choice computer="sections">Each PDF contains exactly one section</choice> 4092: <choice computer="oneper">Each PDF contains exactly one assignment</choice> 4093: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT"> 4094: Specify the number of assignments per PDF:</choice> 4095: </choices> 4096: </state> 4097: RESOURCE_SELECTOR 4098: $resource_selector .= &generate_resource_chooser( 4099: 'CHOOSE_STUDENTS_PAGE', 4100: 'Select Problem(s) to print', 4101: "multichoice='1' addstatus='1' closeallpages ='1'", 4102: 'RESOURCES', 4103: 'PRINT_FORMATTING', 4104: $url, 4105: $isProblem, 4106: '', 4107: $symbFilter, 4108: $start_new_option 4109: ); 4110: 4111: # Generate student choosers. 4112: 4113: &Apache::lonxml::xmlparse( 4114: $r, 'helper', 4115: &generate_student_chooser( 4116: 'CHOOSE_TGT_STUDENTS_PAGE', 'student_sort', 4117: 'STUDENTS', 'CHOOSE_STUDENTS_PAGE' 4118: ) 4119: ); 4120: &Apache::lonxml::xmlparse( 4121: $r, 'helper', 4122: &generate_student_chooser( 4123: 'CHOOSE_STUDENTS', 'student_sort', 4124: 'STUDENTS', 'SELECT_PROBLEMS' 4125: ) 4126: ); 4127: &Apache::lonxml::xmlparse( $r, 'helper', $resource_selector ); 4128: 4129: my $cdom = $env{ 'course.' . $env{'request.course.id'} . '.domain' }; 4130: my $cnum = $env{ 'course.' . $env{'request.course.id'} . '.num' }; 4131: my @names = &Apache::lonnet::getkeys( 'CODEs', $cdom, $cnum ); 4132: my $namechoice = '<choice></choice>'; 4133: foreach my $name ( sort { uc($a) cmp uc($b) } @names ) { 4134: if ( $name =~ /^error: 2 / ) { next; } 4135: if ( $name =~ /^type\0/ ) { next; } 4136: $namechoice .= 4137: '<choice computer="' . $name . '">' . $name . '</choice>'; 4138: } 4139: 4140: my %code_values; 4141: my %codes_to_print; 4142: foreach my $key (@names) { 4143: %code_values = &Apache::grades::get_codes( $key, $cdom, $cnum ); 4144: foreach my $key ( keys(%code_values) ) { 4145: $codes_to_print{$key} = 1; 4146: } 4147: } 4148: 4149: my $code_selection; 4150: foreach 4151: my $code ( sort { uc($a) cmp uc($b) } ( keys(%codes_to_print) ) ) 4152: { 4153: my $choice = $code; 4154: if ( $code =~ /^[A-Z]+$/ ) { # Alpha code 4155: $choice = &letters_to_num($code); 4156: } 4157: push( @{ $helper->{DATA}{ALL_CODE_CHOICES} }, [ $code, $choice ] ); 4158: } 4159: if (%codes_to_print) { 4160: $code_selection .= ' 4161: <message><b>Choose single CODE from list:</b></message> 4162: <message></td><td></message> 4163: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0"> 4164: <choice></choice> 4165: <exec> 4166: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}}); 4167: </exec> 4168: </dropdown> 4169: <message></td></tr><tr><td></message> 4170: ' . $/; 4171: 4172: } 4173: 4174: my @lines = &Apache::grades::get_scantronformat_file(); 4175: my $codechoice = ''; 4176: foreach my $line (@lines) { 4177: my ( $name, $description, $code_type, $code_length ) = 4178: ( split( /:/, $line ) )[ 0, 1, 2, 4 ]; 4179: if ( $code_length > 0 4180: && $code_type =~ /^(letter|number|-1)/ ) 4181: { 4182: $codechoice .= 4183: '<choice computer="' 4184: . $name . '">' 4185: . $description 4186: . '</choice>'; 4187: } 4188: } 4189: if ( $codechoice eq '' ) { 4190: $codechoice = '<choice computer="default">Default</choice>'; 4191: } 4192: my $anon1 = 4193: &generate_code_selector( $helper, 'CHOOSE_ANON1', 'SELECT_PROBLEMS', 4194: $codechoice, $code_selection, $namechoice ) 4195: . $resource_selector; 4196: 4197: &Apache::lonxml::xmlparse( $r, 'helper', $anon1 ); 4198: 4199: my $anon_page = 4200: &generate_code_selector( $helper, 'CHOOSE_ANON1_PAGE', 4201: 'SELECT_PROBLEMS_PAGE', $codechoice, $code_selection, $namechoice ) 4202: . &generate_resource_chooser( 4203: 'SELECT_PROBLEMS_PAGE', 4204: 'Select Problem(s) to print', 4205: "multichoice='1' addstatus='1' closeallpages ='1'", 4206: 'RESOURCES', 4207: 'PRINT_FORMATTING', 4208: $url, 4209: $isProblem, 4210: '', 4211: $symbFilter, 4212: $start_new_option 4213: ); 4214: &Apache::lonxml::xmlparse( $r, 'helper', $anon_page ); 4215: 4216: if ( $helper->{VARS}->{'assignment'} ) { 4217: push @{$printChoices}, 4218: [ 4219: &mt( 4220: 'Selected [_1]Resources[_2] from folder [_3] for [_4]selected people[_5]', 4221: '<b>', 4222: '</b>', 4223: '<b><i>' . $sequenceTitle . '</i></b>', 4224: '<b>', 4225: '</b>' 4226: ), 4227: 'resources_for_students', 4228: 'CHOOSE_STUDENTS1' 4229: ]; 4230: push @{$printChoices}, 4231: [ 4232: &mt( 4233: 'Selected [_1]Resources[_2] from folder [_3] for [_4]CODEd assignments[_5]', 4234: '<b>', 4235: '</b>', 4236: '<b><i>' . $sequenceTitle . '</i></b>', 4237: '<b>', 4238: '</b>' 4239: ), 4240: 'resources_for_anon', 4241: 'CHOOSE_ANON2' 4242: ]; 4243: } 4244: 4245: $resource_selector = <<RESOURCE_SELECTOR; 4246: <state name="SELECT_RESOURCES" title="Select Resources"> 4247: $randomly_ordered_warning 4248: <nextstate>PRINT_FORMATTING</nextstate> 4249: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message> 4250: <resource variable="RESOURCES" multichoice="1" addstatus="1" 4251: closeallpages="1"> 4252: <filterfunc>return $isNotMap;</filterfunc> 4253: <mapurl>$map</mapurl> 4254: <valuefunc>return $symbFilter;</valuefunc> 4255: $start_new_option 4256: </resource> 4257: </state> 4258: 4259: <state name="PRINT_FORMATTING" title="Format of the print job"> 4260: <nextstate>NUMBER_PER_PDF</nextstate> 4261: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> 4262: <choices variable="EMPTY_PAGES"> 4263: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> 4264: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> 4265: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> 4266: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> 4267: </choices> 4268: <nextstate>PAGESIZE</nextstate> 4269: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message> 4270: <choices variable="SPLIT_PDFS"> 4271: <choice computer="all">All assignments in a single PDF file</choice> 4272: <choice computer="sections">Each PDF contains exactly one section</choice> 4273: <choice computer="oneper">Each PDF contains exactly one assignment</choice> 4274: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT"> 4275: Specify the number of assignments per PDF:</choice> 4276: </choices> 4277: </state> 4278: RESOURCE_SELECTOR 4279: 4280: &Apache::lonxml::xmlparse( $r, 'helper', <<CHOOSE_STUDENTS1); 4281: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources"> 4282: <choices variable='student_sort'> 4283: <choice computer='0'>Sort by section then student</choice> 4284: <choice computer='1'>Sort by students across sections.</choice> 4285: </choices> 4286: <message><br /><hr /><br /></message> 4287: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" /> 4288: 4289: </state> 4290: $resource_selector 4291: CHOOSE_STUDENTS1 4292: 4293: &Apache::lonxml::xmlparse( $r, 'helper', <<CHOOSE_ANON2); 4294: <state name="CHOOSE_ANON2" title="Select CODEd Assignments"> 4295: <nextstate>SELECT_RESOURCES</nextstate> 4296: <message><h4>Fill out one of the forms below</h4></message> 4297: <message><br /><hr /> <br /></message> 4298: <message><h3>Generate new CODEd Assignments</h3></message> 4299: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message> 4300: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"> 4301: <validator> 4302: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && 4303: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 4304: !\$helper->{'VARS'}{'SINGLE_CODE'} && 4305: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 4306: return "You need to specify the number of assignments to print"; 4307: } 4308: return undef; 4309: </validator> 4310: </string> 4311: <message></td></tr><tr><td></message> 4312: <message><b>Names to save the CODEs under for later:</b></message> 4313: <message></td><td></message> 4314: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> 4315: <message></td></tr><tr><td></message> 4316: <message><b>Bubble sheet type:</b></message> 4317: <message></td><td></message> 4318: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0"> 4319: $codechoice 4320: </dropdown> 4321: <message></td></tr><tr><td></table></message> 4322: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message> 4323: <message><tr><td><b>Enter a CODE to print:</b></td><td></message> 4324: <string variable="SINGLE_CODE" size="10"> 4325: <validator> 4326: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && 4327: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 4328: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 4329: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, 4330: \$helper->{'VARS'}{'CODE_OPTION'}); 4331: } else { 4332: return undef; # Other forces control us. 4333: } 4334: </validator> 4335: </string> 4336: <message></td></tr><tr><td></message> 4337: $code_selection 4338: <message></td></tr></table></message> 4339: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message> 4340: <message><b>Select saved CODEs:</b></message> 4341: <message></td><td></message> 4342: <dropdown variable="REUSE_OLD_CODES"> 4343: $namechoice 4344: </dropdown> 4345: <message></td></tr></table></message> 4346: </state> 4347: $resource_selector 4348: CHOOSE_ANON2 4349: } 4350: 4351: # FIXME: That RE should come from a library somewhere. 4352: if ( 4353: ( 4354: $perm{'pav'} 4355: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'} 4356: . '/res/' 4357: && ( 4358: defined( $helper->{'VARS'}->{'construction'} ) 4359: || ( &Apache::lonnet::allowed( 'bre', $subdir ) eq 'F' 4360: && $helper->{VARS}->{'postdata'} =~ 4361: /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/ 4362: ) 4363: ) 4364: ) 4365: && $helper->{VARS}->{'assignment'} eq "" 4366: ) 4367: { 4368: my $pretty_dir = &Apache::lonnet::hreflocation($subdir); 4369: push @{$printChoices}, 4370: [ 4371: &mt( 4372: 'Selected [_1]Problems[_2] from current subdirectory [_3]', 4373: '<b>', 4374: '</b>', 4375: '<b><i>' . $pretty_dir . '</i></b>', 4376: '<b>', 4377: '</b>' 4378: ), 4379: 'problems_from_directory', 4380: 'CHOOSE_FROM_SUBDIR' 4381: ]; 4382: my $xmlfrag = <<CHOOSE_FROM_SUBDIR; 4383: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print"> 4384: 4385: <files variable="FILES" multichoice='1'> 4386: <nextstate>PAGESIZE</nextstate> 4387: <filechoice>return '$subdir';</filechoice> 4388: CHOOSE_FROM_SUBDIR 4389: 4390: # this is broken up because I really want interpolation above, 4391: # and I really DON'T want it below 4392: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR'; 4393: <filefilter>return Apache::lonhelper::files::not_old_version($filename) && 4394: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/; 4395: </filefilter> 4396: </files> 4397: </state> 4398: CHOOSE_FROM_SUBDIR 4399: &Apache::lonxml::xmlparse( $r, 'helper', $xmlfrag ); 4400: } 4401: 4402: # Allow the user to select any sequence in the course, feed it to 4403: # another resource selector for that sequence 4404: if ( !$helper->{VARS}->{'construction'} && !$is_published ) { 4405: push @$printChoices, 4406: [ 4407: &mtn( 4408: "Selected <b>Resources</b> from <b>selected folder</b> in course" 4409: ), 4410: 'select_sequences', 4411: 'CHOOSE_SEQUENCE' 4412: ]; 4413: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'}; 4414: 4415: #Escape apostrophes and backslashes for Perl 4416: $escapedSequenceName =~ s/\\/\\\\/g; 4417: $escapedSequenceName =~ s/'/\\'/g; 4418: &Apache::lonxml::xmlparse( $r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE); 4419: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From"> 4420: <message>Select the sequence to print resources from:</message> 4421: <resource variable="SEQUENCE"> 4422: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate> 4423: <filterfunc>return \$res->is_sequence;</filterfunc> 4424: <valuefunc>return $urlValue;</valuefunc> 4425: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0); 4426: </choicefunc> 4427: </resource> 4428: </state> 4429: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print"> 4430: <message>(mark desired resources then click "next" button) <br /></message> 4431: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" 4432: closeallpages="1"> 4433: <nextstate>PAGESIZE</nextstate> 4434: <filterfunc>return $isNotMap</filterfunc> 4435: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl> 4436: <valuefunc>return $symbFilter;</valuefunc> 4437: $start_new_option 4438: </resource> 4439: </state> 4440: CHOOSE_FROM_ANY_SEQUENCE 4441: } 4442: 4443: # Generate the first state, to select which resources get printed. 4444: Apache::lonhelper::state->new( "START", "Select Printing Options:" ); 4445: $paramHash = Apache::lonhelper::getParamHash(); 4446: $paramHash->{MESSAGE_TEXT} = ""; 4447: Apache::lonhelper::message->new(); 4448: $paramHash = Apache::lonhelper::getParamHash(); 4449: $paramHash->{'variable'} = 'PRINT_TYPE'; 4450: $paramHash->{CHOICES} = $printChoices; 4451: Apache::lonhelper::choices->new(); 4452: 4453: my $startedTable = 0; # have we started an HTML table yet? (need 4454: # to close it later) 4455: 4456: if ( 4457: ( 4458: $perm{'pav'} 4459: and &Apache::lonnet::allowed( 'vgr', $env{'request.course.id'} ) 4460: ) 4461: or ( $helper->{VARS}->{'construction'} eq '1' ) 4462: ) 4463: { 4464: &addMessage( 4465: '<br />' . '<h3>' 4466: . &mt('Print Options') . '</h3>' 4467: . &Apache::lonhtmlcommon::start_pick_box() 4468: . &Apache::lonhtmlcommon::row_title( 4469: '<label for="ANSWER_TYPE_forminput">' 4470: . &mt('Print Answers') 4471: . '</label>' 4472: ) 4473: ); 4474: $paramHash = Apache::lonhelper::getParamHash(); 4475: $paramHash->{'variable'} = 'ANSWER_TYPE'; 4476: $helper->declareVar('ANSWER_TYPE'); 4477: $paramHash->{CHOICES} = [ 4478: [ 'Without Answers', 'yes' ], 4479: [ 'With Answers', 'no' ], 4480: [ 'Only Answers', 'only' ] 4481: ]; 4482: Apache::lonhelper::dropdown->new(); 4483: &addMessage( &Apache::lonhtmlcommon::row_closure() ); 4484: $startedTable = 1; 4485: 4486: # 4487: # Select font size. 4488: # 4489: 4490: $helper->declareVar('fontsize'); 4491: &addMessage( &Apache::lonhtmlcommon::row_title( &mt('Font Size') ) ); 4492: my $xmlfrag = << "FONT_SELECTION"; 4493: 4494: 4495: <dropdown variable='fontsize' multichoice='0', allowempty='0'> 4496: <defaultvalue> 4497: return 'normalsize'; 4498: </defaultvalue> 4499: <choice computer='tiny'>Tiny</choice> 4500: <choice computer='sub/superscriptsize'>Script Size</choice> 4501: <choice computer='footnotesize'>Footnote Size</choice> 4502: <choice computer='small'>Small</choice> 4503: <choice computer='normalsize'>Normal (default)</choice> 4504: <choice computer='large'>larger than normal</choice> 4505: <choice computer='Large'>Even larger than normal</choice> 4506: <choice computer='LARGE'>Still larger than normal</choice> 4507: <choice computer='huge'>huge font size</choice> 4508: <choice computer='Huge'>Largest possible size</choice> 4509: </dropdown> 4510: FONT_SELECTION 4511: &Apache::lonxml::xmlparse( $r, 'helper', $xmlfrag ); 4512: &addMessage( &Apache::lonhtmlcommon::row_closure(1) ); 4513: } 4514: 4515: if ( $perm{'pav'} ) { 4516: if ( !$startedTable ) { 4517: addMessage( "<hr width='33%' /><table><tr><td align='right'>" 4518: . '<label for="LATEX_TYPE_forminput">' 4519: . &mt('LaTeX mode') 4520: . "</label>: </td><td>" ); 4521: $startedTable = 1; 4522: } 4523: else { 4524: &addMessage( 4525: &Apache::lonhtmlcommon::row_title( 4526: '<label for="LATEX_TYPE_forminput">' 4527: . &mt('LaTeX mode') 4528: . '</label>' 4529: ) 4530: ); 4531: } 4532: $paramHash = Apache::lonhelper::getParamHash(); 4533: $paramHash->{'variable'} = 'LATEX_TYPE'; 4534: $helper->declareVar('LATEX_TYPE'); 4535: if ( $helper->{VARS}->{'construction'} eq '1' ) { 4536: $paramHash->{CHOICES} = [ 4537: [ 'standard LaTeX mode', 'standard' ], 4538: [ 'LaTeX batchmode', 'batchmode' ], 4539: ]; 4540: } 4541: else { 4542: $paramHash->{CHOICES} = [ 4543: [ 'LaTeX batchmode', 'batchmode' ], 4544: [ 'standard LaTeX mode', 'standard' ] 4545: ]; 4546: } 4547: Apache::lonhelper::dropdown->new(); 4548: 4549: &addMessage( 4550: &Apache::lonhtmlcommon::row_closure() 4551: . &Apache::lonhtmlcommon::row_title( 4552: '<label for="TABLE_CONTENTS_forminput">' 4553: . &mt('Print Table of Contents') 4554: . '</label>' 4555: ) 4556: ); 4557: $paramHash = Apache::lonhelper::getParamHash(); 4558: $paramHash->{'variable'} = 'TABLE_CONTENTS'; 4559: $helper->declareVar('TABLE_CONTENTS'); 4560: $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ]; 4561: Apache::lonhelper::dropdown->new(); 4562: &addMessage( &Apache::lonhtmlcommon::row_closure() ); 4563: 4564: if ( not $helper->{VARS}->{'construction'} ) { 4565: &addMessage( 4566: &Apache::lonhtmlcommon::row_title( 4567: '<label for="TABLE_INDEX_forminput">' 4568: . &mt('Print Index') 4569: . '</label>' 4570: ) 4571: ); 4572: $paramHash = Apache::lonhelper::getParamHash(); 4573: $paramHash->{'variable'} = 'TABLE_INDEX'; 4574: $helper->declareVar('TABLE_INDEX'); 4575: $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ]; 4576: Apache::lonhelper::dropdown->new(); 4577: &addMessage( &Apache::lonhtmlcommon::row_closure() ); 4578: &addMessage( 4579: &Apache::lonhtmlcommon::row_title( 4580: '<label for="PRINT_DISCUSSIONS_forminput">' 4581: . &mt('Print Discussions') 4582: . '</label>' 4583: ) 4584: ); 4585: $paramHash = Apache::lonhelper::getParamHash(); 4586: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS'; 4587: $helper->declareVar('PRINT_DISCUSSIONS'); 4588: $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ]; 4589: Apache::lonhelper::dropdown->new(); 4590: &addMessage( &Apache::lonhtmlcommon::row_closure() ); 4591: 4592: # Prompt for printing annotations too. 4593: 4594: &addMessage( 4595: &Apache::lonhtmlcommon::row_title( 4596: '<label for="PRINT_ANNOTATIONS_forminput">' 4597: . &mt('Print Annotations') 4598: . '</label>' 4599: ) 4600: ); 4601: $paramHash = Apache::lonhelper::getParamHash(); 4602: $paramHash->{'variable'} = "PRINT_ANNOTATIONS"; 4603: $helper->declareVar("PRINT_ANNOTATIONS"); 4604: $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ]; 4605: Apache::lonhelper::dropdown->new(); 4606: &addMessage( &Apache::lonhtmlcommon::row_closure() ); 4607: 4608: &addMessage( &Apache::lonhtmlcommon::row_title( &mt('Foils') ) ); 4609: $paramHash = Apache::lonhelper::getParamHash(); 4610: $paramHash->{'multichoice'} = "true"; 4611: $paramHash->{'allowempty'} = "true"; 4612: $paramHash->{'variable'} = "showallfoils"; 4613: $paramHash->{'CHOICES'} = [ [ &mt('Show All Foils'), "1" ] ]; 4614: Apache::lonhelper::choices->new(); 4615: &addMessage( &Apache::lonhtmlcommon::row_closure(1) ); 4616: } 4617: 4618: if ( $helper->{'VARS'}->{'construction'} ) { 4619: my $stylevalue = '$Apache::lonnet::env{"construct.style"}'; 4620: my $randseedtext = &mt("Use random seed"); 4621: my $stylefiletext = &mt("Use style file"); 4622: my $selectfiletext = &mt("Select style file"); 4623: 4624: my $xmlfrag .= 4625: '<message>' 4626: . &Apache::lonhtmlcommon::row_title( 4627: '<label for="curseed_forminput">' . $randseedtext . '</label>' ) 4628: . '</message> 4629: <string variable="curseed" size="15" maxlength="15"> 4630: <defaultvalue> 4631: return ' . $helper->{VARS}->{'curseed'} . '; 4632: </defaultvalue>' 4633: . '</string>' 4634: . '<message>' 4635: . &Apache::lonhtmlcommon::row_closure() 4636: . &Apache::lonhtmlcommon::row_title( 4637: '<label for="style_file">' . $stylefiletext . '</label>' ) 4638: . '</message> 4639: <string variable="style_file" size="40"> 4640: <defaultvalue> 4641: return ' . $stylevalue . '; 4642: </defaultvalue> 4643: </string><message> ' 4644: . qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">| 4645: . $selectfiletext . '</a>' 4646: . &Apache::lonhtmlcommon::row_closure() 4647: . &Apache::lonhtmlcommon::row_title( &mt('Show All Foils') ) 4648: . '</message> 4649: <choices allowempty="1" multichoice="true" variable="showallfoils"> 4650: <choice computer="1"> </choice> 4651: </choices>' 4652: . '<message>' 4653: . &Apache::lonhtmlcommon::row_closure() 4654: . '</message>'; 4655: &Apache::lonxml::xmlparse( $r, 'helper', $xmlfrag ); 4656: 4657: &addMessage( 4658: &Apache::lonhtmlcommon::row_title( &mt('Problem Type') ) ); 4659: 4660: # 4661: # Initial value from construction space: 4662: # 4663: if ( !$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'} ) 4664: { 4665: $helper->{VARS}->{'probstatus'} = 4666: $env{'form.problemtype'}; # initial value 4667: } 4668: $xmlfrag = << "PROBTYPE"; 4669: <dropdown variable="probstatus" multichoice="0" allowempty="0"> 4670: <defaultvalue> 4671: return "$helper->{VARS}->{'probstatus'}"; 4672: </defaultvalue> 4673: <choice computer="problem">Homework Problem</choice> 4674: <choice computer="exam">Exam Problem</choice> 4675: <choice computer="survey">Survey question</choice> 4676: ,choice computer="anonsurvey"Anonymous survey question</choice> 4677: </dropdown> 4678: PROBTYPE 4679: &Apache::lonxml::xmlparse( $r, 'helper', $xmlfrag ); 4680: &addMessage( &Apache::lonhtmlcommon::row_closure(1) ); 4681: 4682: } 4683: } 4684: 4685: if ($startedTable) { 4686: &addMessage( &Apache::lonhtmlcommon::end_pick_box() ); 4687: } 4688: 4689: Apache::lonprintout::page_format_state->new("FORMAT"); 4690: 4691: # Generate the PAGESIZE state which will offer the user the margin 4692: # choices if they select one column 4693: Apache::lonhelper::state->new( "PAGESIZE", "Set Margins" ); 4694: Apache::lonprintout::page_size_state->new( 'pagesize', 'FORMAT', 'FINAL' ); 4695: 4696: $helper->process(); 4697: 4698: # MANUAL BAILOUT CONDITION: 4699: # If we're in the "final" state, bailout and return to handler 4700: if ( $helper->{STATE} eq 'FINAL' ) { 4701: return $helper; 4702: } 4703: 4704: $r->print( $helper->display() ); 4705: if ( $helper->{STATE} eq 'START' ) { 4706: &recently_generated($r); 4707: } 4708: &Apache::lonhelper::unregisterHelperTags(); 4709: 4710: return OK; 4711: } 4712: 4713: 1; 4714: 4715: package Apache::lonprintout::page_format_state; 4716: 4717: =pod 4718: 4719: =head1 Helper element: page_format_state 4720: 4721: See lonhelper.pm documentation for discussion of the helper framework. 4722: 4723: Apache::lonprintout::page_format_state is an element that gives the 4724: user an opportunity to select the page layout they wish to print 4725: with: Number of columns, portrait/landscape, and paper size. If you 4726: want to change the paper size choices, change the @paperSize array 4727: contents in this package. 4728: 4729: page_format_state is always directly invoked in lonprintout.pm, so there 4730: is no tag interface. You actually pass parameters to the constructor. 4731: 4732: =over 4 4733: 4734: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 4735: 4736: =back 4737: 4738: =cut 4739: 4740: use Apache::lonhelper; 4741: 4742: no strict; 4743: @ISA = ("Apache::lonhelper::element"); 4744: use strict; 4745: use Apache::lonlocal; 4746: use Apache::lonnet; 4747: 4748: my $maxColumns = 2; 4749: 4750: # it'd be nice if these all worked 4751: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 4752: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]", 4753: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 4754: # "a5 [148x210 mm]", "a6 [105x148 mm]" ); 4755: my @paperSize = 4756: ( "letter [8 1/2x11 in]", "legal [8 1/2x14 in]", "a4 [210x297 mm]" ); 4757: 4758: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum | 4759: # Paper type 4760: 4761: sub new { 4762: my $self = Apache::lonhelper::element->new(); 4763: 4764: shift; 4765: 4766: $self->{'variable'} = shift; 4767: my $helper = Apache::lonhelper::getHelper(); 4768: $helper->declareVar( $self->{'variable'} ); 4769: bless($self); 4770: return $self; 4771: } 4772: 4773: sub render { 4774: my $self = shift; 4775: my $helper = Apache::lonhelper::getHelper(); 4776: my $result = ''; 4777: my $var = $self->{'variable'}; 4778: my $PageLayout = &mt('Page layout'); 4779: my $NumberOfColumns = &mt('Number of columns'); 4780: my $PaperType = &mt('Paper type'); 4781: my $landscape = &mt('Landscape'); 4782: my $portrait = &mt('Portrait'); 4783: my $pdfFormLabel = &mt('PDF-Formfields'); 4784: my $with = &mt('with Formfields'); 4785: my $without = &mt('without Formfields'); 4786: 4787: $result .= '<h3>' 4788: . &mt('Layout Options') . '</h3>' 4789: . &Apache::loncommon::start_data_table() 4790: . &Apache::loncommon::start_data_table_header_row() . '<th>' 4791: . $PageLayout . '</th>' . '<th>' 4792: . $NumberOfColumns . '</th>' . '<th>' 4793: . $PaperType . '</th>' . '<th>' 4794: . $pdfFormLabel . '</th>' 4795: . &Apache::loncommon::end_data_table_header_row() 4796: . &Apache::loncommon::start_data_table_row() . '<td>' 4797: . '<label><input type="radio" name="' 4798: . ${var} 4799: . '.layout" value="L" />' 4800: . $landscape 4801: . '</label><br />' 4802: . '<label><input type="radio" name="' 4803: . ${var} 4804: . '.layout" value="P" checked="checked" />' 4805: . $portrait 4806: . '</label>' . '</td>'; 4807: 4808: $result .= '<td align="center">' . '<select name="' . ${var} . '.cols">'; 4809: 4810: my $i; 4811: for ( $i = 1 ; $i <= $maxColumns ; $i++ ) { 4812: if ( $i == 2 ) { 4813: $result .= 4814: '<option value="' 4815: . $i 4816: . '" selected="selected">' 4817: . $i 4818: . '</option>' . "\n"; 4819: } 4820: else { 4821: $result .= '<option value="' . $i . '">' . $i . '</option>' . "\n"; 4822: } 4823: } 4824: 4825: $result .= "</select></td><td>\n"; 4826: $result .= "<select name='${var}.paper'>\n"; 4827: 4828: my %parmhash = 4829: &Apache::lonnet::coursedescription( $env{'request.course.id'} ); 4830: my $DefaultPaperSize = lc( $parmhash{'default_paper_size'} ); 4831: $DefaultPaperSize =~ s/\s//g; 4832: if ( $DefaultPaperSize eq '' ) { $DefaultPaperSize = 'letter'; } 4833: $i = 0; 4834: foreach (@paperSize) { 4835: $_ =~ /(\w+)/; 4836: my $papersize = $1; 4837: if ( $paperSize[$i] =~ /$DefaultPaperSize/ ) { 4838: $result .= 4839: '<option selected="selected" value="' 4840: . $papersize . '">' 4841: . $paperSize[$i] 4842: . '</option>' . "\n"; 4843: } 4844: else { 4845: $result .= 4846: '<option value="' 4847: . $papersize . '">' 4848: . $paperSize[$i] 4849: . '</option>' . "\n"; 4850: } 4851: $i++; 4852: } 4853: $result .= <<HTML; 4854: </select> 4855: </td> 4856: <td align='center'> 4857: <select name='${var}.pdfFormFields'> 4858: <option selected="selected" value="no">$without</option> 4859: <option value="yes">$with</option> 4860: </select> 4861: </td> 4862: HTML 4863: $result .= &Apache::loncommon::end_data_table_row() 4864: . &Apache::loncommon::end_data_table(); 4865: 4866: return $result; 4867: } 4868: 4869: sub postprocess { 4870: my $self = shift; 4871: 4872: my $var = $self->{'variable'}; 4873: my $helper = Apache::lonhelper->getHelper(); 4874: $helper->{VARS}->{$var} = 4875: $env{"form.$var.layout"} . '|' 4876: . $env{"form.$var.cols"} . '|' 4877: . $env{"form.$var.paper"} . '|' 4878: . $env{"form.$var.pdfFormFields"}; 4879: return 1; 4880: } 4881: 4882: 1; 4883: 4884: package Apache::lonprintout::page_size_state; 4885: 4886: =pod 4887: 4888: =head1 Helper element: page_size_state 4889: 4890: See lonhelper.pm documentation for discussion of the helper framework. 4891: 4892: Apache::lonprintout::page_size_state is an element that gives the 4893: user the opportunity to further refine the page settings if they 4894: select a single-column page. 4895: 4896: page_size_state is always directly invoked in lonprintout.pm, so there 4897: is no tag interface. You actually pass parameters to the constructor. 4898: 4899: =over 4 4900: 4901: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 4902: 4903: =back 4904: 4905: =cut 4906: 4907: use Apache::lonhelper; 4908: use Apache::lonnet; 4909: no strict; 4910: @ISA = ("Apache::lonhelper::element"); 4911: use strict; 4912: 4913: sub new { 4914: my $self = Apache::lonhelper::element->new(); 4915: 4916: shift; # disturbs me (probably prevents subclassing) but works (drops 4917: # package descriptor)... - Jeremy 4918: 4919: $self->{'variable'} = shift; 4920: my $helper = Apache::lonhelper::getHelper(); 4921: $helper->declareVar( $self->{'variable'} ); 4922: 4923: # The variable name of the format element, so we can look into 4924: # $helper->{VARS} to figure out whether the columns are one or two 4925: $self->{'formatvar'} = shift; 4926: 4927: $self->{NEXTSTATE} = shift; 4928: bless($self); 4929: 4930: return $self; 4931: } 4932: 4933: sub render { 4934: my $self = shift; 4935: my $helper = Apache::lonhelper::getHelper(); 4936: my $result = ''; 4937: my $var = $self->{'variable'}; 4938: 4939: if ( defined $self->{ERROR_MSG} ) { 4940: $result .= 4941: '<br /><span class="LC_error">' 4942: . $self->{ERROR_MSG} 4943: . '</span><br />'; 4944: } 4945: 4946: my $format = $helper->{VARS}->{ $self->{'formatvar'} }; 4947: 4948: # Use format to get sensible defaults for the margins: 4949: 4950: my ( $laystyle, $cols, $papersize ) = split( /\|/, $format ); 4951: ($papersize) = split( / /, $papersize ); 4952: 4953: $laystyle = &Apache::lonprintout::map_laystyle($laystyle); 4954: 4955: my %size; 4956: ( 4957: $size{'width_and_units'}, 4958: $size{'height_and_units'}, 4959: $size{'margin_and_units'} 4960: ) = &Apache::lonprintout::page_format( $papersize, $laystyle, $cols ); 4961: 4962: foreach my $dimension ( 'width', 'height', 'margin' ) { 4963: ( $size{$dimension}, $size{ $dimension . '_unit' } ) = 4964: split( / +/, $size{ $dimension . '_and_units' }, 2 ); 4965: 4966: foreach my $unit ( 'cm', 'in' ) { 4967: $size{ $dimension . '_options' } .= '<option '; 4968: if ( $size{ $dimension . '_unit' } eq $unit ) { 4969: $size{ $dimension . '_options' } .= 'selected="selected" '; 4970: } 4971: $size{ $dimension . '_options' } .= '>' . $unit . '</option>'; 4972: } 4973: } 4974: 4975: # Adjust margin for LaTeX margin: .. requires units == cm or in. 4976: 4977: if ( $size{'margin_unit'} eq 'in' ) { 4978: $size{'margin'} += 1; 4979: } 4980: else { 4981: $size{'margin'} += 2.54; 4982: } 4983: my %lt = &Apache::lonlocal::texthash( 4984: 'format' => 'How should each column be formatted?', 4985: 'width' => 'Width', 4986: 'height' => 'Height', 4987: 'margin' => 'Left Margin' 4988: ); 4989: 4990: $result .= '<p>' 4991: . $lt{'format'} . '</p>' 4992: . &Apache::lonhtmlcommon::start_pick_box() 4993: . &Apache::lonhtmlcommon::row_title( $lt{'width'} ) 4994: . '<input type="text" name="' 4995: . $var 4996: . '.width" value="' 4997: . $size{'width'} 4998: . '" size="4" />' 4999: . '<select name="' 5000: . $var 5001: . '.widthunit">' 5002: . $size{'width_options'} 5003: . '</select>' 5004: . &Apache::lonhtmlcommon::row_closure() 5005: . &Apache::lonhtmlcommon::row_title( $lt{'height'} ) 5006: . '<input type="text" name="' 5007: . $var 5008: . '.height" value="' 5009: . $size{'height'} 5010: . '" size="4" />' 5011: . '<select name="' 5012: . $var 5013: . '.heightunit">' 5014: . $size{'height_options'} 5015: . '</select>' 5016: . &Apache::lonhtmlcommon::row_closure() 5017: . &Apache::lonhtmlcommon::row_title( $lt{'margin'} ) 5018: . '<input type="text" name="' 5019: . $var 5020: . '.lmargin" value="' 5021: . $size{'margin'} 5022: . '" size="4" />' 5023: . '<select name="' 5024: . $var 5025: . '.lmarginunit">' 5026: . $size{'margin_options'} 5027: . '</select>' 5028: . &Apache::lonhtmlcommon::row_closure(1) 5029: . &Apache::lonhtmlcommon::end_pick_box(); 5030: 5031: # <p>Hint: Some instructors like to leave scratch space for the student by 5032: # making the width much smaller than the width of the page.</p> 5033: 5034: return $result; 5035: } 5036: 5037: sub preprocess { 5038: my $self = shift; 5039: my $helper = Apache::lonhelper::getHelper(); 5040: 5041: my $format = $helper->{VARS}->{ $self->{'formatvar'} }; 5042: 5043: # If the user does not have 'pav' privilege, set default widths and 5044: # on to the next state right away. 5045: # 5046: if ( !$perm{'pav'} ) { 5047: my $var = $self->{'variable'}; 5048: my $format = $helper->{VARS}->{ $self->{'formatvar'} }; 5049: 5050: my ( $laystyle, $cols, $papersize ) = split( /\|/, $format ); 5051: ($papersize) = split( / /, $papersize ); 5052: 5053: $laystyle = &Apache::lonprintout::map_laystyle($laystyle); 5054: 5055: # Figure out some good defaults for the print out and set them: 5056: 5057: my %size; 5058: ( $size{'width'}, $size{'height'}, $size{'lmargin'} ) = 5059: &Apache::lonprintout::page_format( $papersize, $laystyle, $cols ); 5060: 5061: foreach my $dim ( 'width', 'height', 'lmargin' ) { 5062: my ( $value, $units ) = split( / /, $size{$dim} ); 5063: 5064: $helper->{VARS}->{ "$var." . $dim } = $value; 5065: $helper->{VARS}->{ "$var." . $dim . 'unit' } = $units; 5066: 5067: } 5068: 5069: # Transition to the next state 5070: 5071: $helper->changeState( $self->{NEXTSTATE} ); 5072: } 5073: 5074: return 1; 5075: } 5076: 5077: sub postprocess { 5078: my $self = shift; 5079: 5080: my $var = $self->{'variable'}; 5081: my $helper = Apache::lonhelper->getHelper(); 5082: my $width = $helper->{VARS}->{ $var . '.width' } = 5083: $env{"form.${var}.width"}; 5084: my $height = $helper->{VARS}->{ $var . '.height' } = 5085: $env{"form.${var}.height"}; 5086: my $lmargin = $helper->{VARS}->{ $var . '.lmargin' } = 5087: $env{"form.${var}.lmargin"}; 5088: $helper->{VARS}->{ $var . '.widthunit' } = $env{"form.${var}.widthunit"}; 5089: $helper->{VARS}->{ $var . '.heightunit' } = $env{"form.${var}.heightunit"}; 5090: $helper->{VARS}->{ $var . '.lmarginunit' } = 5091: $env{"form.${var}.lmarginunit"}; 5092: 5093: my $error = ''; 5094: 5095: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 5096: # by an optional period, followed by digits, ending the string 5097: 5098: if ( $width !~ /^-?[0-9]*(\.[0-9]*)?$/ ) { 5099: $error .= "Invalid width; please type only a number.<br />\n"; 5100: } 5101: if ( $height !~ /^-?[0-9]*(\.[0-9]*)?$/ ) { 5102: $error .= "Invalid height; please type only a number.<br />\n"; 5103: } 5104: if ( $lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/ ) { 5105: $error .= "Invalid left margin; please type only a number.<br />\n"; 5106: } 5107: else { 5108: 5109: # Adjust for LaTeX 1.0 inch margin: 5110: 5111: if ( $env{"form.${var}.lmarginunit"} eq "in" ) { 5112: $helper->{VARS}->{ $var . '.lmargin' } = $lmargin - 1; 5113: } 5114: else { 5115: $helper->{VARS}->{ $var . '.lmargin' } = $lmargin - 2.54; 5116: } 5117: } 5118: 5119: if ( !$error ) { 5120: Apache::lonhelper::getHelper()->changeState( $self->{NEXTSTATE} ); 5121: return 1; 5122: } 5123: else { 5124: $self->{ERROR_MSG} = $error; 5125: return 0; 5126: } 5127: } 5128: 5129: __END__ 5130: