1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.610.2.1 2011/12/26 13:47:18 foxr Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: # http://www.lon-capa.org/
26: #
27: #
28: package Apache::lonprintout;
29: use strict;
30: use Apache::Constants qw(:common :http);
31: use Apache::lonxml;
32: use Apache::lonnet;
33: use Apache::loncommon;
34: use Apache::inputtags;
35: use Apache::grades;
36: use Apache::edit;
37: use Apache::File();
38: use Apache::lonnavmaps;
39: use Apache::admannotations;
40: use Apache::lonenc;
41: use Apache::entities;
42: use Apache::londefdef;
43: # use Apache::structurelags; # for language management.
44:
45: use File::Basename;
46:
47: use HTTP::Response;
48: use LONCAPA::map();
49: use POSIX qw(strftime);
50: use Apache::lonlocal;
51: use Carp;
52: use LONCAPA;
53:
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; # The error text from the server. (e.g. 500 Server timed out).
65:
66: #
67: # Our ssi max retry count.
68: #
69:
70: my $ssi_retry_count = 5; # Some arbitrary value.
71:
72:
73: # Font size:
74:
75: my $font_size = 'normalsize'; # Default is normalsize...
76:
77: #---------------------------- Helper helpers. -------------------------
78:
79: # BZ5209:
80: # Create the states needed to run the helper for incomplete problems from
81: # the current folder for selected students.
82: # This includes:
83: # - A resource selector limited to problems (incompleteness must be
84: # calculated on a student per student basis.
85: # - A student selector.
86: # - Tie in to the FORMAT of the print job.
87: #
88: # States:
89: # CHOOSE_INCOMPLETE_PEOPLE_SEQ - Resource selection.
90: # CHOOSE_STUDENTS_INCOMPLETE - Student selection.
91: # CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection
92: # Parameters:
93: # helper - the helper which already contains info about the current folder we can
94: # purloin.
95: # url - Top url of the sequence
96: # Return:
97: # XML that can be parsed by the helper to drive the state machine.
98: #
99: sub create_incomplete_folder_selstud_helper($helper)
100: {
101: my ($helper, $map) = @_;
102:
103:
104: my $symbFilter = '$res->shown_symb()';
105: my $selFilter = '$res->is_problem()';
106:
107:
108: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ',
109: 'Select problem(s) to print',
110: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
111: 'RESOURCES',
112: 'CHOOSE_STUDENTS_INCOMPLETE',
113: $map,
114: $selFilter,
115: '',
116: $symbFilter,
117: '');
118:
119: my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE',
120: 'student_sort',
121: 'STUDENTS',
122: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT');
123:
124: my $format_chooser = &generate_format_selector($helper,
125: 'Format of the print job',
126: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
127:
128: return $resource_chooser . $student_chooser . $format_chooser;
129: }
130:
131:
132: # BZ 5209
133: # Create the states needed to run the helper for incomplete problems from
134: # the current folder for selected students.
135: # This includes:
136: # - A resource selector limited to problems. (incompleteness must be calculated
137: # on a student per student basis.
138: # - A student selector.
139: # - Tie in to format for the print job.
140: # States:
141: # INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector.
142: # INCOMPLETE_PROBLEMS_COURSE_STUDENTS - Student selector.
143: # INCOMPLETE_PROBLEMS_COURSE_FORMAT - Format selection.
144: #
145: # Parameters:
146: # helper - Helper we are creating states for.
147: # Returns:
148: # Text that can be parsed by the helper.
149: #
150:
151: sub create_incomplete_course_helper {
152: my $helper = shift;
153:
154: my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
155: my $symbfilter = '$res->shown_symb()';
156:
157: my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES',
158: 'Select problem(s) to print',
159: 'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1"',
160: 'RESOURCES',
161: 'INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
162: '',
163: $filter,
164: '',
165: $symbfilter,
166: '');
167:
168: my $people_chooser = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
169: 'student_sort',
170: 'STUDENTS',
171: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT');
172:
173: my $format = &generate_format_selector($helper,
174: 'Format of the print job',
175: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
176:
177: return $resource_chooser . $people_chooser . $format;
178:
179:
180: }
181:
182: # BZ5209
183: # Creates the states needed to run the print helper for a student
184: # that wants to print his incomplete problems from the current folder.
185: # Parameters:
186: # $helper - helper we are generating states for.
187: # $map - The map for which the student wants incomplete problems.
188: # Returns:
189: # XML that defines the helper states being created.
190: #
191: # States:
192: # CHOOSE_INCOMPLETE_SEQ - Resource selector.
193: #
194: sub create_incomplete_folder_helper {
195: my ($helper, $map) = @_;
196:
197: my $filter = '$res->is_problem()';
198: $filter .= ' && $res->resprintable() ';
199: $filter .= ' && $res->is_incomplete() ';
200:
201: my $symfilter = '$res->shown_symb()';
202:
203: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ',
204: 'Select problem(s) to print',
205: 'multichoice="1", toponly ="1", addstatus="1", closeallpages="1"',
206: 'RESOURCES',
207: 'PAGESIZE',
208: $map,
209: $filter, '',
210: $symfilter,
211: '');
212:
213: return $resource_chooser;
214: }
215:
216:
217: # Returns the text neded for a student chooser.
218: # that text must still be parsed by the helper xml parser.
219: # Parameters:
220: # this_state - State name of the chooser.
221: # sort_choice - variable to hold the sorting choice.
222: # variable - Name of variable to hold students.
223: # next_state - State after chooser.
224:
225:
226: sub generate_student_chooser {
227: my ($this_state,
228: $sort_choice,
229: $variable,
230: $next_state) = @_;
231: my $result = <<CHOOSE_STUDENTS;
232: <state name="$this_state" title="Select Students and Resources">
233: <message><b>Select sorting order of printout</b> </message>
234:
235: <choices variable="$sort_choice">
236: <choice computer='0'>Sort by section then student</choice>
237: <choice computer='1'>Sort by students across sections.</choice>
238: </choices>
239:
240: <message><br /><hr /><br /> </message>
241: <student multichoice='1'
242: variable="$variable"
243: nextstate="$next_state"
244: coursepersonnel="1" />
245: </state>
246:
247: CHOOSE_STUDENTS
248:
249: return $result;
250: }
251:
252: # Generate the text needed for a resource chooser given the top level of
253: # the sequence/page
254: #
255: # Parameters:
256: # this_state - State name of the chooser.
257: # prompt_text - Text to use to prompt user.
258: # resource_options - Resource tag options e.g.
259: # "multichoice='1', toponly='1', addstatus='1'"
260: # that control the selection and appearance of the
261: # resource selector.
262: # variable - Name of the variable to hold the choice
263: # next_state - Name of the next state the helper should transition
264: # to
265: # top_url - Top level URL within which to make the selector.
266: # If empty the top level sequence is shown.
267: # filter - How to filter the resources.
268: # value_func - <valuefunc> function.
269: # choice_func - If not empty generates a <choicefunc> with this function.
270: # start_new_option
271: # - Fragment appended after valuefunc.
272: #
273: #
274: sub generate_resource_chooser {
275: my ($this_state,
276: $prompt_text,
277: $resource_options,
278: $variable,
279: $next_state,
280: $top_url,
281: $filter,
282: $choice_func,
283: $value_func,
284: $start_new_option) = @_;
285:
286: my $result = <<CHOOSE_RESOURCES;
287: <state name="$this_state" title="$prompt_text">
288: <resource variable="$variable" $resource_options
289: closeallpages="1">
290: <nextstate>$next_state</nextstate>
291: <filterfunc>return $filter;</filterfunc>
292: CHOOSE_RESOURCES
293: if ($choice_func ne '') {
294: $result .= "<choicefunc>return $choice_func;</choicefunc>";
295: }
296: if ($top_url ne '') {
297: $result .= "<mapurl>$top_url</mapurl>";
298: }
299: $result .= <<CHOOSE_RESOURCES;
300: <valuefunc>return $value_func;</valuefunc>
301: $start_new_option
302: </resource>
303: </state>
304: CHOOSE_RESOURCES
305: return $result;
306: }
307: #
308: # Generate the helper XML for a code choice helper dialog:
309: #
310: # Paramters:
311: # $helper - Reference to the helper.
312: # $state - Name of the state for the chooser.
313: # $next_state - Name fo the state to follow the chooser.
314: # $bubble_types - Populates the bubble sheet type dropt down.
315: # $code_selections - Provides set of code choices that have been used
316: # $saved_codes - Provides the list of saved codes.
317: #
318: # Returns;
319: # The Xml of the code chooser.
320: #
321: sub generate_code_selector {
322: my ($helper,
323: $state,
324: $next_state,
325: $bubble_types,
326: $code_selections,
327: $saved_codes) = @_; # Unpack the parameters.
328:
329: my $result = <<CHOOSE_ANON1;
330: <state name="$state" title="Specify CODEd Assignments">
331: <nextstate>$next_state</nextstate>
332: <message><h4>Fill out one of the forms below</h4></message>
333: <message><br /><hr /> <br /></message>
334: <message><h3>Generate new CODEd Assignments</h3></message>
335: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
336: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
337: <validator>
338: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
339: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
340: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
341: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
342:
343: return "You need to specify the number of assignments to print";
344: }
345: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
346: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
347: return 'Specifying number of codes to print and a specific code is not compatible';
348: }
349: return undef;
350: </validator>
351: </string>
352: <message></td></tr><tr><td></message>
353: <message><b>Names to save the CODEs under for later:</b></message>
354: <message></td><td></message>
355: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
356: <message></td></tr><tr><td></message>
357: <message><b>Bubblesheet type:</b></message>
358: <message></td><td></message>
359: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
360: $bubble_types
361: </dropdown>
362: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
363: <message></td></tr><tr><td></table></message>
364: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
365: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
366: <string variable="SINGLE_CODE" size="10">
367: <validator>
368: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
369: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
370: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
371: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
372: \$helper->{'VARS'}{'CODE_OPTION'});
373: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
374: return 'Specifying a code name is incompatible with specifying number of codes.';
375: } else {
376: return undef; # Other forces control us.
377: }
378: </validator>
379: </string>
380: <message></td></tr><tr><td></message>
381: $code_selections
382: <message></td></tr></table></message>
383: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
384: <message><b>Select saved CODEs:</b></message>
385: <message></td><td></message>
386: <dropdown variable="REUSE_OLD_CODES">
387: $saved_codes
388: </dropdown>
389: <message></td></tr></table></message>
390: </state>
391: CHOOSE_ANON1
392:
393: return $result;
394: }
395:
396: # Returns the XML for choosing how assignments are to be formatted
397: # that text must still be parsed by the helper xml parser.
398: # Parameters: 3 (required)
399:
400: # helper - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
401: # to check if splitting PDFs by section can be offered.
402: # title - Title for the current state.
403: # this_state - State name of the chooser.
404:
405: sub generate_format_selector {
406: my ($helper,$title,$this_state) = @_;
407: my $secpdfoption;
408: unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
409: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
410: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
411: $secpdfoption = '<choice computer="sections">Each PDF contains exactly one section</choice>';
412: }
413: return <<RESOURCE_SELECTOR;
414: <state name="$this_state" title="$title">
415: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
416: <choices variable="EMPTY_PAGES">
417: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
418: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
419: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
420: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
421: </choices>
422: <nextstate>PAGESIZE</nextstate>
423: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
424: <choices variable="SPLIT_PDFS">
425: <choice computer="all">All assignments in a single PDF file</choice>
426: $secpdfoption
427: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
428: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
429: Specify the number of assignments per PDF:</choice>
430: </choices>
431: </state>
432: RESOURCE_SELECTOR
433: }
434:
435: #-----------------------------------------------------------------------
436:
437: # Determine if a resource is incomplete given the map:
438: # Parameters:
439: # $username - Name of user for whom we are checking.
440: # $domain - Domain of user we are checking.
441: # $map - map name.
442: # Returns:
443: # 0 - map is not incomplete.
444: # 1 - map is incomplete.
445: #
446: sub incomplete {
447: my ($username, $domain, $map) = @_;
448:
449:
450: my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
451:
452:
453: if (defined($navmap)) {
454: my $res = $navmap->getResourceByUrl($map);
455: my $result = $res->is_incomplete();
456: return $result;
457: } else {
458: return 1;
459: }
460: }
461: #
462: # When printing for students, the resoures and order of the
463: # resources may need to be altered if there are folders with
464: # random selectiopn or random ordering (or both) enabled.
465: # This sub computes the set of resources to print for a student
466: # modified both by random ordering and selection and filtered
467: # to only those that are in the original set selcted to be printed.
468: #
469: # Parameters:
470: # $helper - The helper we need $helper->{'VARS'}->{'symb'}
471: # to construct the navmap and the iteration.
472: # $seq - The original set of resources to print
473: # (really an array of resource names (array of symb's).
474: # $who - Student/domain for whome the sequence will be generated.
475: #
476: # Implicit inputs:
477: # $
478: # Returns:
479: # reference to an array of resources that can be passed to
480: # print_resources.
481: #
482: sub master_seq_to_person_seq {
483: my ($helper, $seq, $who) = @_;
484:
485:
486: my ($username, $userdomain, $usersection) = split(/:/, $who);
487:
488:
489: # Toss the sequence up into a hash so that we have O(1) lookup time.
490: # on the items that come out of the user's list of resources.
491: #
492:
493: my %seq_hash = map {$_ => 1} @$seq;
494: my @output_seq;
495:
496: my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
497: my $navmap = Apache::lonnavmaps::navmap->new($username, $userdomain);
498: my $iterator = $navmap->getIterator($navmap->firstResource(),
499: $navmap->finishResource(),
500: {}, 1);
501: my %nonResourceItems = (
502: $iterator->BEGIN_MAP => 1,
503: $iterator->BEGIN_BRANCH => 1,
504: $iterator->END_BRANCH => 1,
505: $iterator->END_MAP => 1,
506: $iterator->FORWARD => 1,
507: $iterator->BACKWARD => 1
508:
509: ); # These items are not resources but appear in the midst of iteration.
510:
511: # Iterate on the resource..select the items that are randomly selected
512: # and that are in the seq_has. Presumably the iterator will take care
513: # of the random ordering part of the deal.
514: #
515: my $curres;
516: while ($curres = $iterator->next()) {
517: #
518: # Only process resources..that are not removed by randomout...
519: # and are selected for printint as well.
520: #
521:
522: if (! exists $nonResourceItems{$curres} && ! $curres->randomout()) {
523: my $symb = $curres->symb();
524: if (exists $seq_hash{$symb}) {
525: push(@output_seq, $symb);
526: }
527: }
528: }
529:
530:
531: return \@output_seq; # for now.
532:
533: }
534:
535:
536: # Fetch the contents of a resource, uninterpreted.
537: # This is used here to fetch a latex file to be included
538: # verbatim into the printout<
539: # NOTE: Ask Guy if there is a lonnet function similar to this?
540: #
541: # Parameters:
542: # URL of the file
543: #
544: sub fetch_raw_resource {
545: my ($url) = @_;
546:
547: my $filename = &Apache::lonnet::filelocation("", $url);
548: my $contents = &Apache::lonnet::getfile($filename);
549:
550: if ($contents == -1) {
551: return "File open failed for $filename"; # This will bomb the print.
552: }
553: return $contents;
554:
555:
556: }
557:
558: # Fetch the annotations associated with a URL and
559: # put a centered 'annotations:' title.
560: # This is all suppressed if the annotations are empty.
561: #
562: sub annotate {
563: my ($symb) = @_;
564:
565: my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
566:
567:
568: my $result = "";
569:
570: if (length($annotation_text) > 0) {
571: $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
572: $result .= "\n";
573: $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex.
574: $result .= "\n\n";
575: }
576: return $result;
577: }
578:
579: #
580: # Set a global document font size:
581: # This is done by replacing \begin{document}
582: # with \begin{document}{\some-font-directive
583: # and \end{document} with
584: # }\end{document
585: #
586: sub set_font_size {
587:
588: my ($text) = @_;
589:
590: # There appear to be cases where the font directive is empty.. in which
591: # case the first substituion would insert a spurious \ oh happy day.
592: # as this has been the cause of much mystery and hair pulling _sigh_
593:
594: if ($font_size ne '') {
595:
596: $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
597: }
598: $text =~ s/\\end{document}/}\\end{document}/;
599: return $text;
600:
601:
602: }
603:
604: # include_pdf - PDF files are included into the
605: # output as follows:
606: # - The PDF, if necessary, is replicated.
607: # - The PDF is added to the list of files to convert to postscript (along with the images).
608: # - The LaTeX is added to include the final converted postscript in the file as an included
609: # job. The assumption is that the includedpsheader.ps header will be included.
610: #
611: # Parameters:
612: # pdf_uri - URI of the PDF file to include.
613: #
614: # Returns:
615: # The LaTeX to include.
616: #
617: # Assumptions:
618: # The uri is actually a PDF file
619: # The postscript will have the includepsheader.ps included.
620: #
621: #
622: sub include_pdf {
623: my ($pdf_uri) = @_;
624:
625: # Where is the file? If not local we'll need to repcopy it:'
626:
627: my $file = &Apache::lonnet::filelocation('', $pdf_uri);
628: if (! -e $file) {
629: &Apache::lonnet::repcopy($file);
630: $file = &Apache::lonnet::filelocation('',$pdf_uri);
631: }
632:
633: # The file isn ow replicated locally.. or it did not exist in the first place
634: # (unlikely). If it did exist, add the pdf to the set of files/images that
635: # need tob e converted for this print job:
636:
637: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
638: $file =~ s{(.*)/res/}{$londocroot/res/};
639:
640: open(FILE,">>$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat");
641: print FILE ("$file\n");
642: close (FILE);
643:
644: # Construct the special to put out. To do this we need to get the
645: # resulting filename after conversion. The file will have the same name
646: # but will be in the user's spool directory with converted images.
647:
648: my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
649: my ( $base, $path, $ext) = &fileparse($file, '.pdf');
650: # my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
651: $base =~ s/ /\_/g;
652:
653:
654: my $output = &print_latex_header();
655: $output .= '\special{ps: _begin_job_ ('
656: .$base.'.pdf.eps'.
657: ')run _end_job_}';
658:
659: return $output;
660:
661:
662: }
663: ##
664: # Collect the various \select_language{language_name}
665: # latex tags to build a \usepackage[lang-list]{babel} which will
666: # appear just prior to the \begin{document} at the front of the concatenated
667: # set of resources:
668: # @param doc - The string of latex to search/replace.
669: # @return string
670: # @retval - the modified document stringt.
671: #
672: sub collect_languages {
673: my $doc = shift;
674: my %languages;
675: while ($doc =~ /\\selectlanguage{(\w+)}/mg) {
676: $languages{$1} = 1; # allows us to request each language exactly once.
677: }
678: my @lang_list = (keys(%languages)); # List of unique languages
679: if (scalar @lang_list) {
680: my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n";
681: $doc =~ s/\\begin{document}/$babel_header\\begin{document}/;
682: }
683: return $doc;
684: }
685: #-------------------------------------------------------------------
686:
687: #
688: # ssi_with_retries- Does the server side include of a resource.
689: # if the ssi call returns an error we'll retry it up to
690: # the number of times requested by the caller.
691: # If we still have a proble, no text is appended to the
692: # output and we set some global variables.
693: # to indicate to the caller an SSI error occurred.
694: # All of this is supposed to deal with the issues described
695: # in LonCAPA BZ 5631 see:
696: # http://bugs.lon-capa.org/show_bug.cgi?id=5631
697: # by informing the user that this happened.
698: #
699: # Parameters:
700: # resource - The resource to include. This is passed directly, without
701: # interpretation to lonnet::ssi.
702: # form - The form hash parameters that guide the interpretation of the resource
703: #
704: # retries - Number of retries allowed before giving up completely.
705: # Returns:
706: # On success, returns the rendered resource identified by the resource parameter.
707: # Side Effects:
708: # The following global variables can be set:
709: # ssi_error - If an unrecoverable error occurred this becomes true.
710: # It is up to the caller to initialize this to false
711: # if desired.
712: # ssi_last_error_resource - If an unrecoverable error occurred, this is the value
713: # of the resource that could not be rendered by the ssi
714: # call.
715: # ssi_last_error - The error string fetched from the ssi response
716: # in the event of an error.
717: #
718: sub ssi_with_retries {
719: my ($resource, $retries, %form) = @_;
720:
721: my $target = $form{'grade_target'};
722: my $aom = $form{'answer_output_mode'};
723:
724:
725:
726: my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
727: if (!$response->is_success) {
728: $ssi_error = 1;
729: $ssi_last_error_resource = $resource;
730: $ssi_last_error = $response->code . " " . $response->message;
731: $content='\section*{!!! An error occurred !!!}';
732: }
733:
734: return $content;
735:
736: }
737:
738: sub get_student_view_with_retries {
739: my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
740:
741: my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
742: if (!$response->is_success) {
743: $ssi_error = 1;
744: $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
745: $ssi_last_error = $response->code . " " . $response->message;
746: $content='\section*{!!! An error occurred !!!}';
747: }
748: return $content;
749:
750: }
751:
752: #
753: # printf_style_subst item format_string repl
754: #
755: # Does printf style substitution for a format string that
756: # can have %[n]item in it.. wherever, %[n]item occurs,
757: # rep is substituted in format_string. Note that
758: # [n] is an optional integer length. If provided,
759: # repl is truncated to at most [n] characters prior to
760: # substitution.
761: #
762: sub printf_style_subst {
763: my ($item, $format_string, $repl) = @_;
764: my $result = "";
765: while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
766: my $fmt = $1;
767: my $size = $2;
768: my $subst = $repl;
769: if ($size ne "") {
770: $subst = substr($subst, 0, $size);
771:
772: # Here's a nice edge case.. supose the end of the
773: # substring is a \. In that case may have just
774: # chopped off a TeX escape... in that case, we append
775: # " " for the trailing character, and let the field
776: # spill over a bit (sigh).
777: # We don't just chop off the last character in order to deal
778: # with one last pathology, and that would be if substr had
779: # trimmed us to e.g. \\\
780:
781:
782: if ($subst =~ /\\$/) {
783: $subst .= " ";
784: }
785: }
786: my $item_pos = pos($format_string);
787: $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
788: $format_string = substr($format_string, pos($format_string));
789: }
790:
791: # Put the residual format string into the result:
792:
793: $result .= $format_string;
794:
795: return $result;
796: }
797:
798:
799: # Format a header according to a format.
800: #
801:
802: # Substitutions:
803: # %a - Assignment name.
804: # %c - Course name.
805: # %n - Student name.
806: # %s - The section if it is supplied.
807: #
808: sub format_page_header {
809: my ($width, $format, $assignment, $course, $student, $section) = @_;
810:
811:
812:
813: $width = &recalcto_mm($width); # Get width in mm.
814: my $chars_per_line = int($width/1.6); # Character/textline.
815:
816: # Default format?
817:
818: if ($format eq '') {
819: # For the default format, we may need to truncate
820: # elements.. To do this we need to get the page width.
821: # we assume that each character is about 2mm in width.
822: # (correct for the header text size??). We ignore
823: # any formatting (e.g. boldfacing in this).
824: #
825: # - Allow the student/course to be one line.
826: # but only truncate the course.
827: # - Allow the assignment to be 2 lines (wrapped).
828: #
829:
830:
831:
832: my $name_length = int($chars_per_line *3 /4);
833: my $sec_length = int($chars_per_line / 5);
834:
835: $format = "%$name_length".'n';
836:
837: if ($section) {
838: $format .= ' - Sec: '."%$sec_length".'s';
839: }
840:
841: $format .= '\\\\%c \\\\ %a';
842:
843:
844: }
845: # An open question is how to handle long user formatted page headers...
846: # A possible future is to support e.g. %na so that the user can control
847: # the truncation of the elements that can appear in the header.
848: #
849: $format = &printf_style_subst("a", $format, $assignment);
850: $format = &printf_style_subst("c", $format, $course);
851: $format = &printf_style_subst("n", $format, $student);
852: $format = &printf_style_subst("s", $format, $section);
853:
854:
855: # If the user put %'s in the format string, they must be escaped
856: # to \% else LaTeX will think they are comments and terminate
857: # the line.. which is bad!!!
858:
859: # If the user has role author, $course and $assignment are empty so
860: # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
861: if($format =~ /\\\\\s\\\\\s/) {
862: #TODO find sensible caption for page header
863: my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
864: $format =~ s/\\\\\s\\\\\s/$testPrintout/;
865: }
866: #
867: # We're going to trust LaTeX to break lines appropriately, but
868: # we'll truncate anything that's more than 3 lines worth of
869: # text. This is also assuming (which will probably end badly)
870: # nobody's going to embed LaTeX control sequences in the title
871: # header or rather that those control sequences won't get broken
872: # by the stuff below.
873: #
874: my $total_length = 3*$chars_per_line;
875: if (length($format) > $total_length) {
876: $format = substr($format, 0, $total_length);
877: }
878:
879:
880: return $format;
881:
882: }
883:
884: #
885: # Convert a numeric code to letters
886: #
887: sub num_to_letters {
888: my ($num) = @_;
889: my @nums= split('',$num);
890: my @num_to_let=('A'..'Z');
891: my $word;
892: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
893: return $word;
894: }
895: # Convert a letter code to numeric.
896: #
897: sub letters_to_num {
898: my ($letters) = @_;
899: my @letters = split('', uc($letters));
900: my %substitution;
901: my $digit = 0;
902: foreach my $letter ('A'..'J') {
903: $substitution{$letter} = $digit;
904: $digit++;
905: }
906: # The substitution is done as below to preserve leading
907: # zeroes which are needed to keep the code size exact
908: #
909: my $result ="";
910: foreach my $letter (@letters) {
911: $result.=$substitution{$letter};
912: }
913: return $result;
914: }
915:
916: # Determine if a code is a valid numeric code. Valid
917: # numeric codes must be comprised entirely of digits and
918: # have a correct number of digits.
919: #
920: # Parameters:
921: # value - proposed code value.
922: # num_digits - Number of digits required.
923: #
924: sub is_valid_numeric_code {
925: my ($value, $num_digits) = @_;
926: # Remove leading/trailing whitespace;
927: $value =~ s/^\s*//g;
928: $value =~ s/\s*$//g;
929:
930: # All digits?
931: if ($value !~ /^[0-9]+$/) {
932: return "Numeric code $value has invalid characters - must only be digits";
933: }
934: if (length($value) != $num_digits) {
935: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
936: }
937: return undef;
938: }
939: # Determines if a code is a valid alhpa code. Alpha codes
940: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
941: # They also have a correct digit count.
942: # Parameters:
943: # value - Proposed code value.
944: # num_letters - correct number of letters.
945: # Note:
946: # leading and trailing whitespace are ignored.
947: #
948: sub is_valid_alpha_code {
949: my ($value, $num_letters) = @_;
950:
951: # strip leading and trailing spaces.
952:
953: $value =~ s/^\s*//g;
954: $value =~ s/\s*$//g;
955:
956: # All alphas in the right range?
957: if ($value !~ /^[A-J,a-j]+$/) {
958: return "Invalid letter code $value must only contain A-J";
959: }
960: if (length($value) != $num_letters) {
961: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
962: }
963: return undef;
964: }
965:
966: # Determine if a code entered by the user in a helper is valid.
967: # valid depends on the code type and the type of code selected.
968: # The type of code selected can either be numeric or
969: # Alphabetic. If alphabetic, the code, in fact is a simple
970: # substitution cipher for the actual numeric code: 0->A, 1->B ...
971: # We'll be nice and be case insensitive for alpha codes.
972: # Parameters:
973: # code_value - the value of the code the user typed in.
974: # code_option - The code type selected from the set in the scantron format
975: # table.
976: # Returns:
977: # undef - The code is valid.
978: # other - An error message indicating what's wrong.
979: #
980: sub is_code_valid {
981: my ($code_value, $code_option) = @_;
982: my ($code_type, $code_length) = ('letter', 6); # defaults.
983: my @lines = &Apache::grades::get_scantronformat_file();
984: foreach my $line (@lines) {
985: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
986: if($name eq $code_option) {
987: $code_length = $length;
988: if($type eq 'number') {
989: $code_type = 'number';
990: }
991: }
992: }
993: my $valid;
994: if ($code_type eq 'number') {
995: return &is_valid_numeric_code($code_value, $code_length);
996: } else {
997: return &is_valid_alpha_code($code_value, $code_length);
998: }
999:
1000: }
1001:
1002: # Compare two students by name. The students are in the form
1003: # returned by the helper:
1004: # user:domain:section:last, first:status
1005: # This is a helper function for the perl sort built-in therefore:
1006: # Implicit Inputs:
1007: # $a - The first element to compare (global)
1008: # $b - The second element to compare (global)
1009: # Returns:
1010: # -1 - $a < $b
1011: # 0 - $a == $b
1012: # +1 - $a > $b
1013: # Note that the initial comparison is done on the last names with the
1014: # first names only used to break the tie.
1015: #
1016: #
1017: sub compare_names {
1018: # First split the names up into the primary fields.
1019:
1020: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1021: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1022:
1023: # Now split the last name and first name of each n:
1024: #
1025:
1026: my ($l1,$f1) = split(/,/, $n1);
1027: my ($l2,$f2) = split(/,/, $n2);
1028:
1029: # We don't bother to remove the leading/trailing whitespace from the
1030: # firstname, unless the last names compare identical.
1031:
1032: if($l1 lt $l2) {
1033: return -1;
1034: }
1035: if($l1 gt $l2) {
1036: return 1;
1037: }
1038:
1039: # Break the tie on the first name, but there are leading (possibly trailing
1040: # whitespaces to get rid of first
1041: #
1042: $f1 =~ s/^\s+//; # Remove leading...
1043: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
1044:
1045: $f2 =~ s/^\s+//;
1046: $f2 =~ s/\s+$//; # And the same for first 2...
1047:
1048: if($f1 lt $f2) {
1049: return -1;
1050: }
1051: if($f1 gt $f2) {
1052: return 1;
1053: }
1054:
1055: # Must be the same name.
1056:
1057: return 0;
1058: }
1059:
1060: sub latex_header_footer_remove {
1061: my $text = shift;
1062: $text =~ s/\\end{document}//;
1063: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
1064: return $text;
1065: }
1066: #
1067: # If necessary, encapsulate text inside
1068: # a minipage env.
1069: # necessity is determined by the problem_split param.
1070: #
1071: sub encapsulate_minipage {
1072: my ($text) = @_;
1073: if (!($env{'form.problem.split'} =~ /yes/i)) {
1074: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
1075: }
1076: return $text;
1077: }
1078: #
1079: # The NUMBER_TO_PRINT and SPLIT_PDFS
1080: # variables interact, this sub looks at these two parameters
1081: # and comes up with a final value for NUMBER_TO_PRINT which can be:
1082: # all - if SPLIT_PDFS eq 'all'.
1083: # 1 - if SPLIT_PDFS eq 'oneper'
1084: # section - if SPLIT_PDFS eq 'sections'
1085: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
1086: #
1087: sub adjust_number_to_print {
1088: my $helper = shift;
1089:
1090: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
1091:
1092: if ($split_pdf eq 'all') {
1093: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
1094: } elsif ($split_pdf eq 'oneper') {
1095: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
1096: } elsif ($split_pdf eq 'sections') {
1097: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
1098: } elsif ($split_pdf eq 'usenumber') {
1099: # Unmodified.
1100: } else {
1101: # Error!!!!
1102:
1103: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1104:
1105: }
1106: }
1107:
1108:
1109: sub character_chart {
1110: my $result = shift;
1111: return &Apache::entities::replace_entities($result);
1112: }
1113:
1114: sub old_character_chart {
1115: my $result = shift;
1116: $result =~ s/&\#0?0?(7|9);//g;
1117: $result =~ s/&\#0?(10|13);//g;
1118: $result =~ s/&\#0?32;/ /g;
1119: $result =~ s/&\#0?33;/!/g;
1120: $result =~ s/&(\#0?34|quot);/\"/g;
1121: $result =~ s/&\#0?35;/\\\#/g;
1122: $result =~ s/&\#0?36;/\\\$/g;
1123: $result =~ s/&\#0?37;/\\%/g;
1124: $result =~ s/&(\#0?38|amp);/\\&/g;
1125: $result =~ s/&\#(0?39|146);/\'/g;
1126: $result =~ s/&\#0?40;/(/g;
1127: $result =~ s/&\#0?41;/)/g;
1128: $result =~ s/&\#0?42;/\*/g;
1129: $result =~ s/&\#0?43;/\+/g;
1130: $result =~ s/&\#(0?44|130);/,/g;
1131: $result =~ s/&\#0?45;/-/g;
1132: $result =~ s/&\#0?46;/\./g;
1133: $result =~ s/&\#0?47;/\//g;
1134: $result =~ s/&\#0?48;/0/g;
1135: $result =~ s/&\#0?49;/1/g;
1136: $result =~ s/&\#0?50;/2/g;
1137: $result =~ s/&\#0?51;/3/g;
1138: $result =~ s/&\#0?52;/4/g;
1139: $result =~ s/&\#0?53;/5/g;
1140: $result =~ s/&\#0?54;/6/g;
1141: $result =~ s/&\#0?55;/7/g;
1142: $result =~ s/&\#0?56;/8/g;
1143: $result =~ s/&\#0?57;/9/g;
1144: $result =~ s/&\#0?58;/:/g;
1145: $result =~ s/&\#0?59;/;/g;
1146: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1147: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
1148: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1149: $result =~ s/&\#0?63;/\?/g;
1150: $result =~ s/&\#0?65;/A/g;
1151: $result =~ s/&\#0?66;/B/g;
1152: $result =~ s/&\#0?67;/C/g;
1153: $result =~ s/&\#0?68;/D/g;
1154: $result =~ s/&\#0?69;/E/g;
1155: $result =~ s/&\#0?70;/F/g;
1156: $result =~ s/&\#0?71;/G/g;
1157: $result =~ s/&\#0?72;/H/g;
1158: $result =~ s/&\#0?73;/I/g;
1159: $result =~ s/&\#0?74;/J/g;
1160: $result =~ s/&\#0?75;/K/g;
1161: $result =~ s/&\#0?76;/L/g;
1162: $result =~ s/&\#0?77;/M/g;
1163: $result =~ s/&\#0?78;/N/g;
1164: $result =~ s/&\#0?79;/O/g;
1165: $result =~ s/&\#0?80;/P/g;
1166: $result =~ s/&\#0?81;/Q/g;
1167: $result =~ s/&\#0?82;/R/g;
1168: $result =~ s/&\#0?83;/S/g;
1169: $result =~ s/&\#0?84;/T/g;
1170: $result =~ s/&\#0?85;/U/g;
1171: $result =~ s/&\#0?86;/V/g;
1172: $result =~ s/&\#0?87;/W/g;
1173: $result =~ s/&\#0?88;/X/g;
1174: $result =~ s/&\#0?89;/Y/g;
1175: $result =~ s/&\#0?90;/Z/g;
1176: $result =~ s/&\#0?91;/[/g;
1177: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1178: $result =~ s/&\#0?93;/]/g;
1179: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1180: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
1181: $result =~ s/&\#(0?96|145);/\`/g;
1182: $result =~ s/&\#0?97;/a/g;
1183: $result =~ s/&\#0?98;/b/g;
1184: $result =~ s/&\#0?99;/c/g;
1185: $result =~ s/&\#100;/d/g;
1186: $result =~ s/&\#101;/e/g;
1187: $result =~ s/&\#102;/f/g;
1188: $result =~ s/&\#103;/g/g;
1189: $result =~ s/&\#104;/h/g;
1190: $result =~ s/&\#105;/i/g;
1191: $result =~ s/&\#106;/j/g;
1192: $result =~ s/&\#107;/k/g;
1193: $result =~ s/&\#108;/l/g;
1194: $result =~ s/&\#109;/m/g;
1195: $result =~ s/&\#110;/n/g;
1196: $result =~ s/&\#111;/o/g;
1197: $result =~ s/&\#112;/p/g;
1198: $result =~ s/&\#113;/q/g;
1199: $result =~ s/&\#114;/r/g;
1200: $result =~ s/&\#115;/s/g;
1201: $result =~ s/&\#116;/t/g;
1202: $result =~ s/&\#117;/u/g;
1203: $result =~ s/&\#118;/v/g;
1204: $result =~ s/&\#119;/w/g;
1205: $result =~ s/&\#120;/x/g;
1206: $result =~ s/&\#121;/y/g;
1207: $result =~ s/&\#122;/z/g;
1208: $result =~ s/&\#123;/\\{/g;
1209: $result =~ s/&\#124;/\|/g;
1210: $result =~ s/&\#125;/\\}/g;
1211: $result =~ s/&\#126;/\~/g;
1212: $result =~ s/&\#131;/\\textflorin /g;
1213: $result =~ s/&\#132;/\"/g;
1214: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
1215: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
1216: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1217: $result =~ s/&\#137;/\\textperthousand /g;
1218: $result =~ s/&\#140;/{\\OE}/g;
1219: $result =~ s/&\#147;/\`\`/g;
1220: $result =~ s/&\#148;/\'\'/g;
1221: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1222: $result =~ s/&(\#150|\#8211);/--/g;
1223: $result =~ s/&\#151;/---/g;
1224: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1225: $result =~ s/&\#153;/\\texttrademark /g;
1226: $result =~ s/&\#156;/\\oe/g;
1227: $result =~ s/&\#159;/\\\"Y/g;
1228: $result =~ s/&(\#160|nbsp);/~/g;
1229: $result =~ s/&(\#161|iexcl);/!\`/g;
1230: $result =~ s/&(\#162|cent);/\\textcent /g;
1231: $result =~ s/&(\#163|pound);/\\pounds /g;
1232: $result =~ s/&(\#164|curren);/\\textcurrency /g;
1233: $result =~ s/&(\#165|yen);/\\textyen /g;
1234: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
1235: $result =~ s/&(\#167|sect);/\\textsection /g;
1236: $result =~ s/&(\#168|uml);/\\"\{\} /g;
1237: $result =~ s/&(\#169|copy);/\\copyright /g;
1238: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1239: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1240: $result =~ s/&(\#173|shy);/ - /g;
1241: $result =~ s/&(\#174|reg);/\\textregistered /g;
1242: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
1243: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
1244: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
1245: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
1246: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1247: $result =~ s/&(\#180|acute);/\\'\{\} /g;
1248: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1249: $result =~ s/&(\#182|para);/\\P/g;
1250: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1251: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1252: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1253: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
1254: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
1255: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
1256: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
1257: $result =~ s/&(\#191|iquest);/?\`/g;
1258: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
1259: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
1260: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
1261: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
1262: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
1263: $result =~ s/&(\#197|Aring);/{\\AA}/g;
1264: $result =~ s/&(\#198|AElig);/{\\AE}/g;
1265: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
1266: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
1267: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
1268: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
1269: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
1270: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
1271: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
1272: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
1273: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
1274: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
1275: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
1276: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
1277: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
1278: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
1279: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
1280: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1281: $result =~ s/&(\#216|Oslash);/{\\O}/g;
1282: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
1283: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
1284: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
1285: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
1286: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1287: $result =~ s/&(\#223|szlig);/{\\ss}/g;
1288: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
1289: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
1290: $result =~ s/&(\#226|acirc);/\\^{a}/g;
1291: $result =~ s/&(\#227|atilde);/\\~{a}/g;
1292: $result =~ s/&(\#228|auml);/\\\"{a}/g;
1293: $result =~ s/&(\#229|aring);/{\\aa}/g;
1294: $result =~ s/&(\#230|aelig);/{\\ae}/g;
1295: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
1296: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
1297: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
1298: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
1299: $result =~ s/&(\#235|euml);/\\\"{e}/g;
1300: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
1301: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
1302: $result =~ s/&(\#238|icirc);/\\^{i}/g;
1303: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1304: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1305: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
1306: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
1307: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
1308: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
1309: $result =~ s/&(\#245|otilde);/\\~{o}/g;
1310: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1311: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1312: $result =~ s/&(\#248|oslash);/{\\o}/g;
1313: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
1314: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
1315: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
1316: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
1317: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
1318: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1319: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1320: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1321: #Greek Alphabet
1322: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
1323: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
1324: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
1325: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
1326: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
1327: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
1328: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
1329: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
1330: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
1331: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
1332: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
1333: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
1334: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
1335: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1336: $result =~ s/&(omicron|\#959);/o/g;
1337: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
1338: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
1339: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
1340: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
1341: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
1342: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
1343: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
1344: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
1345: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
1346: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
1347: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1348: $result =~ s/&(Alpha|\#913);/A/g;
1349: $result =~ s/&(Beta|\#914);/B/g;
1350: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
1351: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1352: $result =~ s/&(Epsilon|\#917);/E/g;
1353: $result =~ s/&(Zeta|\#918);/Z/g;
1354: $result =~ s/&(Eta|\#919);/H/g;
1355: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1356: $result =~ s/&(Iota|\#921);/I/g;
1357: $result =~ s/&(Kappa|\#922);/K/g;
1358: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1359: $result =~ s/&(Mu|\#924);/M/g;
1360: $result =~ s/&(Nu|\#925);/N/g;
1361: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1362: $result =~ s/&(Omicron|\#927);/O/g;
1363: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1364: $result =~ s/&(Rho|\#929);/P/g;
1365: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1366: $result =~ s/&(Tau|\#932);/T/g;
1367: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
1368: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1369: $result =~ s/&(Chi|\#935);/X/g;
1370: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
1371: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1372: #Arrows (extended HTML 4.01)
1373: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
1374: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
1375: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
1376: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
1377: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
1378: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
1379: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
1380: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
1381: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
1382: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1383: #Mathematical Operators (extended HTML 4.01)
1384: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
1385: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
1386: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
1387: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
1388: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
1389: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
1390: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
1391: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
1392: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
1393: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
1394: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1395: $result =~ s/–/\\ensuremath\{-\}/g;
1396: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
1397: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
1398: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
1399: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
1400: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
1401: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
1402: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
1403: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
1404: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
1405: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
1406: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
1407: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
1408: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
1409: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
1410: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
1411: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
1412: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
1413: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
1414: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
1415: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
1416: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
1417: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
1418: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
1419: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
1420: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
1421: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1422: #Geometric Shapes (extended HTML 4.01)
1423: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1424: #Miscellaneous Symbols (extended HTML 4.01)
1425: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
1426: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
1427: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
1428: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1429: # Chemically useful 'things' contributed by Hon Kie (bug 4652).
1430:
1431: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
1432: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
1433: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
1434: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
1435: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
1436: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
1437: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
1438: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
1439: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
1440: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
1441: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
1442: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
1443: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1444:
1445: # Left/right quotations:
1446:
1447: $result =~ s/&(ldquo|#8220);/\`\`/g;
1448: $result =~ s/&(rdquo|#8221);/\'\'/g;
1449:
1450:
1451:
1452: return $result;
1453: }
1454:
1455:
1456: #width, height, oddsidemargin, evensidemargin, topmargin
1457: my %page_formats=
1458: ('letter' => {
1459: 'book' => {
1460: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
1461: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1462: },
1463: 'album' => {
1464: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'],
1465: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1466: },
1467: },
1468: 'legal' => {
1469: 'book' => {
1470: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1471: '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1472: },
1473: 'album' => {
1474: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
1475: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1476: },
1477: },
1478: 'tabloid' => {
1479: 'book' => {
1480: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
1481: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
1482: },
1483: 'album' => {
1484: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
1485: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1486: },
1487: },
1488: 'executive' => {
1489: 'book' => {
1490: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
1491: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
1492: },
1493: 'album' => {
1494: '1' => [],
1495: '2' => []
1496: },
1497: },
1498: 'a2' => {
1499: 'book' => {
1500: '1' => [],
1501: '2' => []
1502: },
1503: 'album' => {
1504: '1' => [],
1505: '2' => []
1506: },
1507: },
1508: 'a3' => {
1509: 'book' => {
1510: '1' => [],
1511: '2' => []
1512: },
1513: 'album' => {
1514: '1' => [],
1515: '2' => []
1516: },
1517: },
1518: 'a4' => {
1519: 'book' => {
1520: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1521: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1522: },
1523: 'album' => {
1524: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1525: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1526: },
1527: },
1528: 'a5' => {
1529: 'book' => {
1530: '1' => [],
1531: '2' => []
1532: },
1533: 'album' => {
1534: '1' => [],
1535: '2' => []
1536: },
1537: },
1538: 'a6' => {
1539: 'book' => {
1540: '1' => [],
1541: '2' => []
1542: },
1543: 'album' => {
1544: '1' => [],
1545: '2' => []
1546: },
1547: },
1548: );
1549:
1550: sub page_format {
1551: #
1552: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1553: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1554: # "A2 [420x594 mm]", "A3 [297x420 mm]",
1555: # "A4 [210x297 mm]", "A5 [148x210 mm]",
1556: # "A6 [105x148 mm]"
1557: #
1558: my ($papersize,$layout,$numberofcolumns) = @_;
1559: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1560: }
1561:
1562:
1563: sub get_name {
1564: my ($uname,$udom)=@_;
1565: if (!defined($uname)) { $uname=$env{'user.name'}; }
1566: if (!defined($udom)) { $udom=$env{'user.domain'}; }
1567: my $plainname=&Apache::loncommon::plainname($uname,$udom);
1568: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1569: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1570: return $plainname;
1571: }
1572:
1573: sub get_course {
1574: my $courseidinfo;
1575: if (defined($env{'request.course.id'})) {
1576: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1577: my $sec = $env{'request.course.sec'};
1578:
1579: }
1580: return $courseidinfo;
1581: }
1582:
1583: sub page_format_transformation {
1584: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
1585: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1586:
1587: if ($selectionmade eq '4') {
1588: if ($choice eq 'all_problems') {
1589: $assignment=&mt('Problems from the Whole Course');
1590: } else {
1591: $assignment=&mt('Resources from the Whole Course');
1592: }
1593: } else {
1594: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
1595: }
1596: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1597:
1598:
1599: my $name = &get_name();
1600: my $courseidinfo = &get_course();
1601: my $header_text = $parmhash{'print_header_format'};
1602: $header_text = &format_page_header($textwidth, $header_text, $assignment,
1603: $courseidinfo, $name);
1604: my $topmargintoinsert = '';
1605: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1606: my $fancypagestatement='';
1607: if ($numberofcolumns eq '2') {
1608: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1609: } else {
1610: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1611: }
1612: if ($layout eq 'album') {
1613: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1614: } elsif ($layout eq 'book') {
1615: if ($choice ne 'All class print') {
1616: $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
1617: } else {
1618: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
1619: }
1620: if ($papersize eq 'a4') {
1621: my $papersize_text;
1622: if ($perm{'pav'}) {
1623: $papersize_text = '\\special{papersize=210mm,297mm}';
1624: } else {
1625: $papersize_text = '\special{papersize=210mm,297mm}';
1626: }
1627: $text =~ s/(\\begin{document})/$1$papersize_text/;
1628: }
1629: }
1630: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
1631: if ($indexlist eq 'yes') {
1632: $text=~s/(\\begin{document})/\\makeindex $1/;
1633: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
1634: }
1635: return $text;
1636: }
1637:
1638:
1639: sub page_cleanup {
1640: my $result = shift;
1641:
1642: $result =~ m/\\end{document}(\d*)$/;
1643: my $number_of_columns = $1;
1644: my $insert = '{';
1645: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1646: $insert .= '}';
1647: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1648: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
1649: return $result,$number_of_columns;
1650: }
1651:
1652:
1653: sub details_for_menu {
1654: my ($helper)=@_;
1655: my $postdata=$env{'form.postdata'};
1656: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
1657: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
1658: my $symbolic = &Apache::lonnet::symbread($postdata);
1659: return if ( $symbolic eq '');
1660:
1661: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1662: $map=&Apache::lonnet::clutter($map);
1663: my $name_of_sequence = &Apache::lonnet::gettitle($map);
1664: if ($name_of_sequence =~ /^\s*$/) {
1665: $map =~ m|([^/]+)$|;
1666: $name_of_sequence = $1;
1667: }
1668: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1669: if ($name_of_map =~ /^\s*$/) {
1670: $env{'request.course.uri'} =~ m|([^/]+)$|;
1671: $name_of_map = $1;
1672: }
1673: return ($name_of_resource,$name_of_sequence,$name_of_map);
1674: }
1675:
1676: sub copyright_line {
1677: return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } ';
1678: }
1679: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1680:
1681: sub latex_corrections {
1682: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1683: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1684: my $copyright = ©right_line();
1685: if ($selectionmade eq '1' || $answer_mode eq 'only') {
1686: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1687: } else {
1688: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1689: }
1690: $result =~ s/\$number_of_columns/$number_of_columns/g;
1691: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
1692: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1693: #-- LaTeX corrections
1694: my $first_comment = index($result,'<!--',0);
1695: while ($first_comment != -1) {
1696: my $end_comment = index($result,'-->',$first_comment);
1697: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
1698: $first_comment = index($result,'<!--',$first_comment);
1699: }
1700: $result =~ s/^\s+$//gm; #remove empty lines
1701: #removes more than one empty space
1702: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1703: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
1704: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
1705: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1706: $result =~ s/\\\\\s+\[/ \[/g;
1707: #conversion of html characters to LaTeX equivalents
1708: if ($result =~ m/&(\w+|#\d+);/) {
1709: $result = &character_chart($result);
1710: }
1711: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
1712: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
1713: return $result;
1714: }
1715:
1716:
1717: sub index_table {
1718: my $currentURL = shift;
1719: my $insex_string='';
1720: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
1721: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
1722: return $insex_string;
1723: }
1724:
1725:
1726: sub IndexCreation {
1727: my ($texversion,$currentURL)=@_;
1728: my @key_words=split(/,/,&index_table($currentURL));
1729: my $chunk='';
1730: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
1731: if ($st>0) {
1732: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
1733: $chunk=substr($texversion,0,$st+1);
1734: substr($texversion,0,$st+1)=' ';
1735: }
1736: foreach my $key_word (@key_words) {
1737: if ($key_word=~/\S+/) {
1738: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
1739: }
1740: }
1741: if ($st>0) {substr($texversion,0,1)=$chunk;}
1742: return $texversion;
1743: }
1744:
1745: sub print_latex_header {
1746: my $mode=shift;
1747:
1748: return &Apache::londefdef::latex_header($mode);
1749: }
1750:
1751: sub path_to_problem {
1752: my ($urlp,$colwidth)=@_;
1753: $urlp=&Apache::lonnet::clutter($urlp);
1754:
1755: my $newurlp = '';
1756: $colwidth=~s/\s*mm\s*$//;
1757: #characters average about 2 mm in width
1758: if (length($urlp)*2 > $colwidth) {
1759: my @elements = split('/',$urlp);
1760: my $curlength=0;
1761: foreach my $element (@elements) {
1762: if ($element eq '') { next; }
1763: if ($curlength+(length($element)*2) > $colwidth) {
1764: $newurlp .= '|\vskip -1 mm \verb|';
1765: $curlength=length($element)*2;
1766: } else {
1767: $curlength+=length($element)*2;
1768: }
1769: $newurlp.='/'.$element;
1770: }
1771: } else {
1772: $newurlp=$urlp;
1773: }
1774: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
1775: }
1776:
1777: sub recalcto_mm {
1778: my $textwidth=shift;
1779: my $LaTeXwidth;
1780: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1781: $LaTeXwidth = $1*10;
1782: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1783: $LaTeXwidth = $1;
1784: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1785: $LaTeXwidth = $1*25.4;
1786: }
1787: $LaTeXwidth.=' mm';
1788: return $LaTeXwidth;
1789: }
1790:
1791: sub get_textwidth {
1792: my ($helper,$LaTeXwidth)=@_;
1793: my $textwidth=$LaTeXwidth;
1794: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
1795: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1796: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
1797: $helper->{'VARS'}->{'pagesize.widthunit'});
1798: }
1799: return $textwidth;
1800: }
1801:
1802:
1803: sub unsupported {
1804: my ($currentURL,$mode,$symb)=@_;
1805: if ($mode ne '') {$mode='\\'.$mode}
1806: my $result.= &print_latex_header($mode);
1807: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
1808: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
1809: my $title=&Apache::lonnet::gettitle($symb);
1810: $title = &Apache::lonxml::latex_special_symbols($title);
1811: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1812: } else {
1813: $result.=$currentURL;
1814: }
1815: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1816: return $result;
1817: }
1818:
1819: #
1820: # Map from helper layout style to the book/album:
1821: #
1822: sub map_laystyle {
1823: my ($laystyle) = @_;
1824: if ($laystyle eq 'L') {
1825: $laystyle='album';
1826: } else {
1827: $laystyle='book';
1828: }
1829: return $laystyle;
1830: }
1831:
1832: sub print_page_in_course {
1833: my ($helper, $rparmhash, $currentURL, $resources) = @_;
1834:
1835: my %parmhash = %$rparmhash;
1836: my @page_resources = @$resources;
1837: my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
1838: my $symb = $helper->{'VARS'}->{'symb'};
1839:
1840:
1841: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1842:
1843:
1844: my @temporary_array=split /\|/,$format_from_helper;
1845: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1846: $laystyle = &map_laystyle($laystyle);
1847: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
1848: $numberofcolumns);
1849: my $LaTeXwidth=&recalcto_mm($textwidth);
1850:
1851:
1852: if ($mode ne '') {$mode='\\'.$mode}
1853: my $result = &print_latex_header($mode);
1854: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
1855: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
1856: my $title=&Apache::lonnet::gettitle($symb);
1857: $title = &Apache::lonxml::latex_special_symbols($title);
1858: } else {
1859: my $esc_currentURL= $currentURL;
1860: $esc_currentURL =~ s/_/\\_/g;
1861: $result.=$esc_currentURL;
1862: }
1863: $result .= '\\\\';
1864:
1865: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1866: &Apache::lonnet::appenv({'construct.style' =>
1867: $helper->{'VARS'}->{'style_file'}});
1868: } elsif ($env{'construct.style'}) {
1869: &Apache::lonnet::delenv('construct.style');
1870: }
1871:
1872: # First is the overall page description. This is then followed by the
1873: # components of the page. Each of which must be printed independently.
1874: my $the_page = shift(@page_resources);
1875:
1876:
1877: foreach my $resource (@page_resources) {
1878: my $resource_src = $resource->src(); # Essentially the URL of the resource.
1879: $result .= $resource->title() . '\\\\';
1880:
1881: # Recurse if a .page:
1882:
1883: if ($resource_src =~ /.page$/i) {
1884: my $navmap = Apache::lonnavmaps::navmap->new();
1885: my @page_resources = $navmap->retrieveResources($resource_src);
1886: $result .= &print_page_in_course($helper, $rparmhash,
1887: $resource_src, \@page_resources);
1888: }
1889: # these resources go through the XML transformer:
1890:
1891: elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1892:
1893: my $urlp = &Apache::lonnet::clutter($resource_src);
1894:
1895: my %form;
1896: my %moreenv;
1897:
1898: &Apache::lonxml::remember_problem_counter();
1899: $moreenv{'request.filename'}=$urlp;
1900: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1901:
1902: $form{'grade_target'} = 'tex';
1903: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1904: $form{'pdfFormFields'} = $pdfFormFields; #
1905: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1906:
1907: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1908: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1909: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1910: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1911: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1912: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
1913: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
1914: $form{'problem_split'}='yes';
1915: }
1916: my $rndseed = time;
1917: if ($helper->{'VARS'}->{'curseed'}) {
1918: $rndseed=$helper->{'VARS'}->{'curseed'};
1919: }
1920: $form{'rndseed'}=$rndseed;
1921: &Apache::lonnet::appenv(\%moreenv);
1922:
1923: &Apache::lonxml::clear_problem_counter();
1924:
1925: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1926:
1927:
1928: # current document with answers.. no need to encap in minipage
1929: # since there's only one answer.
1930:
1931: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1932: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1933: my %answerform = %form;
1934:
1935:
1936: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1937: $answerform{'grade_target'}='answer';
1938: $answerform{'answer_output_mode'}='tex';
1939: $answerform{'rndseed'}=$rndseed;
1940: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1941: $answerform{'problemtype'}='exam';
1942: }
1943: $resources_printed .= $urlp.':';
1944: my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
1945:
1946: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1947: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1948: } else {
1949: $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1950: if ($helper->{'VARS'}->{'construction'} ne '1') {
1951: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
1952: $title = &Apache::lonxml::latex_special_symbols($title);
1953: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1954: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
1955: } else {
1956: $texversion.='\vskip 0 mm \noindent\textbf{'.
1957: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
1958: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
1959: }
1960: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1961: }
1962:
1963:
1964:
1965:
1966:
1967: }
1968: # Print annotations.
1969:
1970:
1971: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
1972: my $annotation .= &annotate($currentURL);
1973: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1974: }
1975:
1976: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1977: $texversion=&IndexCreation($texversion,$currentURL);
1978: }
1979: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1980: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1981:
1982: }
1983: $texversion = &latex_header_footer_remove($texversion);
1984:
1985: # the first remaining line is a comment from londefdef the second
1986: # line seems to be an extraneous \vskip 1mm \\\\ :
1987: # (imperfect removal from header_footer_remove?
1988:
1989: $texversion =~ s/\\vskip 1mm \\\\\\\\//;
1990:
1991: $result .= $texversion;
1992: if ($currentURL=~m/\.page\s*$/) {
1993: ($result,$numberofcolumns) = &page_cleanup($result);
1994: }
1995: }
1996: }
1997:
1998: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1999: return $result;
2000: }
2001:
2002:
2003: #
2004: # List of recently generated print files
2005: #
2006: sub recently_generated {
2007: my ($prtspool) = @_;
2008: my $output;
2009: my $zip_result;
2010: my $pdf_result;
2011: opendir(DIR,$prtspool);
2012:
2013: my @files =
2014: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
2015: closedir(DIR);
2016:
2017: @files = sort {
2018: my ($actime) = (stat($prtspool.'/'.$a))[10];
2019: my ($bctime) = (stat($prtspool.'/'.$b))[10];
2020: return $bctime <=> $actime;
2021: } (@files);
2022:
2023: foreach my $filename (@files) {
2024: my ($ext) = ($filename =~ m/(pdf|zip)$/);
2025: my ($cdev,$cino,$cmode,$cnlink,
2026: $cuid,$cgid,$crdev,$csize,
2027: $catime,$cmtime,$cctime,
2028: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
2029: my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
2030: my $result=&Apache::loncommon::start_data_table_row()
2031: .'<td>'
2032: .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
2033: .'</td>'
2034: .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
2035: .'<td align="right">'.$csize.'</td>'
2036: .&Apache::loncommon::end_data_table_row();
2037: if ($ext eq 'pdf') { $pdf_result .= $result; }
2038: if ($ext eq 'zip') { $zip_result .= $result; }
2039: }
2040: if ($zip_result || $pdf_result) {
2041: $output ='<hr />';
2042: }
2043: if ($zip_result) {
2044: $output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
2045: .&Apache::loncommon::start_data_table()
2046: .&Apache::loncommon::start_data_table_header_row()
2047: .'<th>'.&mt('Download').'</th>'
2048: .'<th>'.&mt('Creation Date').'</th>'
2049: .'<th>'.&mt('File Size (Bytes)').'</th>'
2050: .&Apache::loncommon::end_data_table_header_row()
2051: .$zip_result
2052: .&Apache::loncommon::end_data_table();
2053: }
2054: if ($pdf_result) {
2055: $output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
2056: .&Apache::loncommon::start_data_table()
2057: .&Apache::loncommon::start_data_table_header_row()
2058: .'<th>'.&mt('Download').'</th>'
2059: .'<th>'.&mt('Creation Date').'</th>'
2060: .'<th>'.&mt('File Size (Bytes)').'</th>'
2061: .&Apache::loncommon::end_data_table_header_row()
2062: .$pdf_result
2063: .&Apache::loncommon::end_data_table();
2064: }
2065: return $output;
2066: }
2067:
2068: #
2069: # Retrieve the hash of page breaks.
2070: #
2071: # Inputs:
2072: # helper - reference to helper object.
2073: # Outputs
2074: # A reference to a page break hash.
2075: #
2076: #
2077: # use Data::Dumper;
2078: # sub dump_helper_vars {
2079: # my ($helper) = @_;
2080: # my $helpervars = Dumper($helper->{'VARS'});
2081: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
2082: #}
2083:
2084: sub get_page_breaks {
2085: my ($helper) = @_;
2086: my %page_breaks;
2087:
2088: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
2089: $page_breaks{$break} = 1;
2090: }
2091: return %page_breaks;
2092: }
2093: #
2094: # Returns text to insert for any extra vskip prior to the resource.
2095: # Parameters:
2096: # helper - Reference to the helper object driving the printout.
2097: # resource - Identifies the resource about to be printed.
2098: #
2099: # This is done as follows:
2100: # POSSIBLE_RESOURCES has the list of possible resources.
2101: # EXTRASPACE has the list of extra space values.
2102: # EXTRASPACE_UNITS is the set of resources for which the units are
2103: # mm. All others are 'in'.
2104: #
2105: # The resource is found in the POSSIBLE_RESOURCES to get the index
2106: # of the EXTRASPACE value.
2107: #
2108: # In order to speed this up for lengthy printouts, the first time,
2109: # POSSIBLE_RESOURCES is turned into a look up hash and
2110: # EXTRASPACE is turned into an array.
2111: #
2112:
2113:
2114: my %possible_resources;
2115: my %extraspace_mm;
2116: my @extraspace;
2117: my $skips_loaded = 0;
2118:
2119: # Function to load the skips hash and array
2120:
2121: sub load_skips {
2122:
2123: my ($helper) = @_;
2124:
2125: # If this is the first time, unrap the resources and extra spaces:
2126:
2127: if (!$skips_loaded) {
2128: @extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
2129: my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
2130: my $i = 0;
2131: foreach my $resource (@resource_list) {
2132: $possible_resources{$resource} = $i;
2133: $i++;
2134: }
2135: foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
2136: $extraspace_mm{$mm_resource} = 1;
2137: }
2138: $skips_loaded = 1;
2139: }
2140: }
2141:
2142: sub get_extra_vspaces {
2143: my ($helper, $resource) = @_;
2144:
2145: &load_skips($helper);
2146:
2147: # Lookup the resource in the possible resources hash.. that is the index
2148: # into the extraspace array that gives us either an empty string or
2149: # the number of mm to skip:
2150:
2151: my $index = $possible_resources{$resource};
2152: my $skip = $extraspace[$index];
2153:
2154: my $result = '';
2155: if ($skip ne '') {
2156: my $units = 'in';
2157: if (defined($extraspace_mm{$resource})) {
2158: $units = 'mm';
2159: }
2160: $result = '\vskip '.$skip.' '.$units;
2161: }
2162:
2163:
2164: return $result;
2165:
2166:
2167: }
2168:
2169: #
2170: # The resource chooser part of the helper needs more than just
2171: # the value of the extraspaces var to recover the value into a text
2172: # field option. This sub produces the required format for the saved var:
2173: # specifically
2174: # ||| separated fields of the form resourcename=value
2175: #
2176: # Parameters:
2177: # $helper - Refers to the helper we are configuring
2178: # Implicit input:
2179: # $helper->{'VARS'}->{'EXTRASPACE'} - the spaces helper var has the text field
2180: # value.
2181: # $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
2182: # $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} - has the list of resources. |||
2183: # separated of course.
2184: # Implicit outputs:
2185: # $env{'form.extraspace'}
2186: # $env{'form.extraspace_units'}
2187: #
2188: sub set_form_extraspace {
2189: my ($helper) = @_;
2190:
2191: # the most convenient way to do this is to drive from the skips arrays/hash.
2192: # may not be the fastest, but this is once per print request so it's not so
2193: # speed critical:
2194:
2195: &load_skips($helper);
2196:
2197: my $result = '';
2198:
2199: foreach my $resource (keys(%possible_resources)) {
2200: my $vskip = $extraspace[$possible_resources{$resource}];
2201: $result .= $resource .'=' . $vskip . '|||';
2202: }
2203:
2204: $env{'form.extraspace'} = $result;
2205: $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
2206: return $result;
2207:
2208: }
2209:
2210: # Output a sequence (recursively if neeed)
2211: # from construction space.
2212: # Parameters:
2213: # url = URL of the sequence to print.
2214: # helper - Reference to the helper hash.
2215: # form - Copy of the format hash.
2216: # LaTeXWidth
2217: # Returns:
2218: # Text to add to the printout.
2219: # NOTE if the first element of the outermost sequence
2220: # is itself a sequence, the outermost caller may need to
2221: # prefix the latex with the page headers stuff.
2222: #
2223: sub print_construction_sequence {
2224: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
2225:
2226: my $result;
2227: my $rndseed=time;
2228: if ($helper->{'VARS'}->{'curseed'}) {
2229: $rndseed=$helper->{'VARS'}->{'curseed'};
2230: }
2231: my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL));
2232:
2233: #
2234: # These make this all support recursing for subsequences.
2235: #
2236: my @order = @LONCAPA::map::order;
2237: my @resources = @LONCAPA::map::resources;
2238:
2239: for (my $member=0;$member<=$#order;$member++) {
2240: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
2241: my $urlp=$2;
2242: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2243: my $texversion='';
2244: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2245: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2246: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2247: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2248: $form{'rndseed'}=$rndseed;
2249: $resources_printed .=$urlp.':';
2250: $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2251: }
2252: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2253: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
2254: ($urlp=~/$LONCAPA::assess_page_re/)) {
2255: # Don't permanently modify %$form...
2256: my %answerform = %form;
2257: $answerform{'grade_target'}='answer';
2258: $answerform{'answer_output_mode'}='tex';
2259: $answerform{'rndseed'}=$rndseed;
2260: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2261: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
2262: $resources_printed .= $urlp.':';
2263: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2264: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2265: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2266: } else {
2267: # If necessary, encapsulate answer in minipage:
2268:
2269: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2270: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2271: $title = &Apache::lonxml::latex_special_symbols($title);
2272: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2273: $body.=&path_to_problem($urlp,$LaTeXwidth);
2274: $body.='\vskip 1 mm '.$answer.'\end{document}';
2275: $body = &encapsulate_minipage($body);
2276: $texversion.=$body;
2277: }
2278: }
2279: $texversion = &latex_header_footer_remove($texversion);
2280:
2281: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2282: $texversion=&IndexCreation($texversion,$urlp);
2283: }
2284: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2285: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
2286: }
2287: $result.=$texversion;
2288:
2289: } elsif ($urlp=~/\.(sequence|page)$/) {
2290:
2291: # header:
2292:
2293: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
2294:
2295: # IF sequence, recurse:
2296:
2297: if ($urlp =~ /\.sequence$/) {
2298: $result .= &print_construction_sequence($urlp,
2299: $helper, %form,
2300: $LaTeXwidth);
2301: }
2302: }
2303: elsif ($urlp =~ /\.pdf$/i) {
2304: my $texversion;
2305: if ($member != 0) {
2306: $texversion .= '\cleardoublepage';
2307: }
2308:
2309: $texversion .= &include_pdf($urlp);
2310: $texversion = &latex_header_footer_remove($texversion);
2311: if ($member != $#order) {
2312: $texversion .= '\\ \cleardoublepage';
2313: }
2314:
2315: $result .= $texversion;
2316: }
2317: }
2318: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
2319: return $result;
2320: }
2321:
2322: #
2323: # Top level for generating print output.
2324: #
2325: # May call print_resources if multiple resources will be printed.
2326: #
2327: # The main driver is $selectionmade which reflects the type of print out
2328: # requested:
2329: # Value Print type:
2330: # 1 Print resource that's being looked at.
2331: # 2 Print problems in a map or in a page.
2332: # 3 Print pages in a map or resources in a page.
2333: # 4 Print all problems or all resources.
2334: # 5 Print problems for seleted students.
2335: # 6 Print selected problems from a folder.
2336: # 7 Print print selected resources from some scope.
2337: # 8 Print resources for selected students.
2338: #
2339: #BZ 5209
2340: # 2 map_incomplete_problems_seq Print incomplete problems from the current
2341: # folder in student context.
2342: # 5 map_incomplete_problems_people_seq Print incomplete problems from the
2343: # current folder in privileged context.
2344: # 5 incomplete_problems_selpeople_course Print incomplete problems for
2345: # selected people from the entire course.
2346: #
2347: # Item 101 has much the same processing as 8,
2348: #
2349: # Differences: Item 101, 102 require per-student filtering of the resource
2350: # set so that only the incomplete resources are printed.
2351: # For item 100, filtering was done at the helper level.
2352:
2353: sub output_data {
2354: my ($r,$helper,$rparmhash) = @_;
2355: my %parmhash = %$rparmhash;
2356: $ssi_error = 0; # This will be set nonzero by failing ssi's.
2357: $resources_printed = '';
2358: $font_size = $helper->{'VARS'}->{'fontsize'};
2359: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
2360: my $do_postprocessing = 1;
2361: my $js = <<ENDPART;
2362: <script type="text/javascript">
2363: var editbrowser;
2364: function openbrowser(formname,elementname,only,omit) {
2365: var url = '/res/?';
2366: if (editbrowser == null) {
2367: url += 'launch=1&';
2368: }
2369: url += 'catalogmode=interactive&';
2370: url += 'mode=parmset&';
2371: url += 'form=' + formname + '&';
2372: if (only != null) {
2373: url += 'only=' + only + '&';
2374: }
2375: if (omit != null) {
2376: url += 'omit=' + omit + '&';
2377: }
2378: url += 'element=' + elementname + '';
2379: var title = 'Browser';
2380: var options = 'scrollbars=1,resizable=1,menubar=0';
2381: options += ',width=700,height=600';
2382: editbrowser = open(url,title,options,'1');
2383: editbrowser.focus();
2384: }
2385: </script>
2386: ENDPART
2387:
2388:
2389: # Breadcrumbs
2390: #FIXME: Choose better/different breadcrumbs?!? Links?
2391: my $brcrum = [{'href' => '',
2392: 'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
2393: {'href' => '',
2394: 'text' => 'Preparing Printout'}];
2395:
2396: my $start_page = &Apache::loncommon::start_page('Preparing Printout',
2397: $js,
2398: {'bread_crumbs' => $brcrum,});
2399: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
2400:
2401: $r->print($start_page."\n<p>\n$msg\n</p>\n");
2402:
2403: # fetch the pagebreaks and store them in the course environment
2404: # The page breaks will be pulled into the hash %page_breaks which is
2405: # indexed by symb and contains 1's for each break.
2406:
2407: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
2408: &set_form_extraspace($helper);
2409: $env{'form.lastprinttype'} = $print_type;
2410: &Apache::loncommon::store_course_settings('print',
2411: {'pagebreaks' => 'scalar',
2412: 'extraspace' => 'scalar',
2413: 'extraspace_units' => 'scalar',
2414: 'lastprinttype' => 'scalar'});
2415: my %page_breaks = &get_page_breaks($helper);
2416:
2417: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2418: my ($result,$selectionmade) = ('','');
2419: my $number_of_columns = 1; #used only for pages to determine the width of the cell
2420: my @temporary_array=split /\|/,$format_from_helper;
2421: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2422:
2423: $laystyle = &map_laystyle($laystyle);
2424: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
2425: my $assignment = $env{'form.assignment'};
2426: my $LaTeXwidth=&recalcto_mm($textwidth);
2427: my @print_array=();
2428: my @student_names=();
2429:
2430:
2431: # Common settings for the %form has:
2432: # In some cases these settings get overriddent by specific cases, but the
2433: # settings are common enough to make it worthwhile factoring them out
2434: # here.
2435: #
2436: my %form;
2437: $form{'grade_target'} = 'tex';
2438: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2439: $form{'pdfFormFields'} = $pdfFormFields;
2440:
2441: # If form.showallfoils is set, then request all foils be shown:
2442: # privilege will be enforced both by not allowing the
2443: # check box selecting this option to be presnt unless it's ok,
2444: # and by lonresponse's priv. check.
2445: # The if is here because lonresponse.pm only cares that
2446: # showallfoils is defined, not what the value is.
2447:
2448: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
2449: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2450: }
2451:
2452: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2453: &Apache::lonnet::appenv({'construct.style' =>
2454: $helper->{'VARS'}->{'style_file'}});
2455: } elsif ($env{'construct.style'}) {
2456: &Apache::lonnet::delenv('construct.style');
2457: }
2458:
2459: if ($print_type eq 'current_document') {
2460: #-- single document - problem, page, html, xml, ...
2461: my ($currentURL,$cleanURL);
2462:
2463: if ($helper->{'VARS'}->{'construction'} ne '1') {
2464: #prints published resource
2465: $currentURL=$helper->{'VARS'}->{'postdata'};
2466: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
2467: } else {
2468:
2469: #prints resource from the construction space
2470: $currentURL=$helper->{'VARS'}->{'filename'};
2471: $cleanURL=$currentURL;
2472: }
2473: $selectionmade = 1;
2474:
2475: if ($cleanURL!~m|^/adm/|
2476: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2477: my $rndseed=time;
2478: my $texversion='';
2479: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2480: my %moreenv;
2481: $moreenv{'request.filename'}=$cleanURL;
2482: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2483: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2484: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2485: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2486: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2487: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2488: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2489: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2490: $form{'problem_split'}='yes';
2491: }
2492: if ($helper->{'VARS'}->{'curseed'}) {
2493: $rndseed=$helper->{'VARS'}->{'curseed'};
2494: }
2495: $form{'rndseed'}=$rndseed;
2496: &Apache::lonnet::appenv(\%moreenv);
2497:
2498: &Apache::lonxml::clear_problem_counter();
2499:
2500: $resources_printed .= $currentURL.':';
2501: $texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2502:
2503: # Add annotations if required:
2504:
2505: &Apache::lonxml::clear_problem_counter();
2506:
2507: &Apache::lonnet::delenv('request.filename');
2508: }
2509: # current document with answers.. no need to encap in minipage
2510: # since there's only one answer.
2511:
2512: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2513: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2514:
2515: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2516: $form{'grade_target'}='answer';
2517: $form{'answer_output_mode'}='tex';
2518: $form{'rndseed'}=$rndseed;
2519: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2520: $form{'problemtype'}='exam';
2521: }
2522: $resources_printed .= $currentURL.':';
2523: my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2524:
2525:
2526: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2527: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2528: } else {
2529: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2530: if ($helper->{'VARS'}->{'construction'} ne '1') {
2531: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2532: $title = &Apache::lonxml::latex_special_symbols($title);
2533: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2534: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2535: } else {
2536: $texversion.='\vskip 0 mm \noindent\textbf{'.
2537: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
2538:
2539: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2540: }
2541: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2542: }
2543:
2544:
2545:
2546:
2547:
2548: }
2549: # Print annotations.
2550:
2551:
2552: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2553: my $annotation .= &annotate($currentURL);
2554: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
2555: }
2556:
2557:
2558: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2559: $texversion=&IndexCreation($texversion,$currentURL);
2560: }
2561: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2562: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2563:
2564: }
2565: $result .= $texversion;
2566: if ($currentURL=~m/\.page\s*$/) {
2567: ($result,$number_of_columns) = &page_cleanup($result);
2568: }
2569: } elsif ($cleanURL!~m|^/adm/|
2570: && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
2571: $result .= &print_construction_sequence($currentURL, $helper, %form,
2572: $LaTeXwidth);
2573: $result .= '\end{document}';
2574: if (!($result =~ /\\begin\{document\}/)) {
2575: $result = &print_latex_header() . $result;
2576: }
2577: # End construction space sequence.
2578: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
2579: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2580: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
2581: $resources_printed .= $currentURL.':';
2582: my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
2583: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2584: my $annotation = &annotate($currentURL);
2585: $texversion =~ s/(\\end{document})/$annotation$1/;
2586: }
2587: $result .= $texversion;
2588: } elsif ($cleanURL =~/\.tex$/) {
2589: # For this sort of print of a single LaTeX file,
2590: # We can just print the LaTeX file as it is uninterpreted in any way:
2591: #
2592:
2593: $result = &fetch_raw_resource($currentURL);
2594: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2595: my $annotation = &annotate($currentURL);
2596: $result =~ s/(\\end{document})/$annotation$1/;
2597: }
2598:
2599: $do_postprocessing = 0; # Don't massage the result.
2600:
2601: } elsif ($cleanURL =~ /\.pdf$/i) {
2602: $result .= &include_pdf($cleanURL);
2603: $result .= '\end{document}';
2604: } elsif ($cleanURL =~ /\.page$/i) { # Print page in non construction space contexts.
2605:
2606: # Determine the set of resources in the map of the page:
2607:
2608: my $navmap = Apache::lonnavmaps::navmap->new();
2609: my @page_resources = $navmap->retrieveResources($cleanURL);
2610: $result .= &print_page_in_course($helper, $rparmhash,
2611: $cleanURL, \@page_resources);
2612:
2613:
2614: } else {
2615: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
2616: $helper->{'VARS'}->{'symb'});
2617: }
2618: } elsif (($print_type eq 'map_problems') or
2619: ($print_type eq 'map_problems_in_page') or
2620: ($print_type eq 'map_resources_in_page') or
2621: ($print_type eq 'map_problems_pages') or
2622: ($print_type eq 'all_problems') or
2623: ($print_type eq 'all_resources') or # BUGBUG
2624: ($print_type eq 'select_sequences') or
2625: ($print_type eq 'map_incomplete_problems_seq')
2626: ) {
2627:
2628:
2629: #-- produce an output string
2630: if (($print_type eq 'map_problems') or
2631: ($print_type eq 'map_incomplete_problems_seq') or
2632: ($print_type eq 'map_problems_in_page') ) {
2633: $selectionmade = 2;
2634: } elsif (($print_type eq 'map_problems_pages') or
2635: ($print_type eq 'map_resources_in_page'))
2636: {
2637: $selectionmade = 3;
2638: } elsif (($print_type eq 'all_problems')
2639: ) {
2640: $selectionmade = 4;
2641: } elsif ($print_type eq 'all_resources') { #BUGBUG
2642: $selectionmade = 4;
2643: } elsif ($print_type eq 'select_sequences') {
2644: $selectionmade = 7;
2645: }
2646:
2647: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2648: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2649: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2650: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2651: $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2652: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2653: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
2654: $form{'problem_split'}='yes';
2655: }
2656: my $flag_latex_header_remove = 'NO';
2657: my $flag_page_in_sequence = 'NO';
2658: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
2659: my $prevassignment='';
2660:
2661: &Apache::lonxml::clear_problem_counter();
2662:
2663: my $pbreakresources = keys %page_breaks;
2664: for (my $i=0;$i<=$#master_seq;$i++) {
2665:
2666: &Apache::lonenc::reset_enc();
2667:
2668:
2669: # Note due to document structure, not allowed to put \newpage
2670: # prior to the first resource
2671:
2672: if (defined $page_breaks{$master_seq[$i]}) {
2673: if($i != 0) {
2674: $result.="\\newpage\n";
2675: }
2676: }
2677: $result .= &get_extra_vspaces($helper, $master_seq[$i]);
2678: my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
2679: $urlp=&Apache::lonnet::clutter($urlp);
2680: $form{'symb'}=$master_seq[$i];
2681:
2682: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
2683:
2684: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
2685: if ($i==0) {$prevassignment=$assignment;}
2686: my $texversion='';
2687: if ($urlp!~m|^/adm/|
2688: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
2689: $resources_printed .= $urlp.':';
2690: &Apache::lonxml::remember_problem_counter();
2691: if ($flag_latex_header_remove eq 'NO') {
2692: $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); # RF
2693: unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
2694: (($i==0) &&
2695: (($urlp=~/\.page$/) ||
2696: ($print_type eq 'map_problems_in_page') ||
2697: ($print_type eq 'map_resources_in_page')))) {
2698: $flag_latex_header_remove = 'YES';
2699: }
2700: }
2701: $texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2702: if ($urlp=~/\.page$/) {
2703: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
2704: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
2705: $texversion =~ s/\\end{document}\d*/\\end{document}/;
2706: $flag_page_in_sequence = 'YES';
2707: }
2708:
2709: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2710: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2711: # Don't permanently pervert the %form hash
2712: my %answerform = %form;
2713: $answerform{'grade_target'}='answer';
2714: $answerform{'answer_output_mode'}='tex';
2715: $resources_printed .= $urlp.':';
2716:
2717: &Apache::lonxml::restore_problem_counter();
2718: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2719: if ($urlp =~ /\.page$/) {
2720: $answer =~ s/\\end{document}(\d*)$//;
2721: }
2722: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2723: if ($urlp =~ /\.page$/) {
2724: my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
2725: my $lastprob = pop(@probs);
2726: $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
2727: $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
2728: } else {
2729: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2730: }
2731: } else {
2732: if ($urlp=~/$LONCAPA::assess_page_re/) {
2733: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2734: # $texversion =~ s/\\begin{document}//; # FIXME
2735: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
2736: $title = &Apache::lonxml::latex_special_symbols($title);
2737: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2738: $body .= &path_to_problem ($urlp,$LaTeXwidth);
2739: $body .='\vskip 1 mm '.$answer;
2740: $body = &encapsulate_minipage($body);
2741: $texversion .= $body;
2742: } else {
2743: $texversion='';
2744: }
2745: }
2746:
2747: }
2748: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2749: my $annotation .= &annotate($urlp);
2750: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
2751: }
2752:
2753: if ($flag_latex_header_remove ne 'NO') {
2754: $texversion = &latex_header_footer_remove($texversion);
2755: } else {
2756: $texversion =~ s/\\end{document}//;
2757: }
2758: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2759: $texversion=&IndexCreation($texversion,$urlp);
2760: }
2761: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
2762: my $name = &get_name();
2763: my $courseidinfo = &get_course();
2764: $prevassignment=$assignment;
2765: my $header_text = $parmhash{'print_header_format'};
2766: $header_text = &format_page_header($textwidth, $header_text,
2767: $assignment,
2768: $courseidinfo,
2769: $name);
2770:
2771: if ($numberofcolumns eq '1') {
2772: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
2773: } else {
2774: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
2775: }
2776: }
2777: $result .= $texversion;
2778: $flag_latex_header_remove = 'YES';
2779: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
2780: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2781: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
2782: $resources_printed .= $urlp.':';
2783: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
2784: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2785: my $annotation = &annotate($urlp);
2786: $texversion =~ s/(\\end{document)/$annotation$1/;
2787: }
2788:
2789: if ($flag_latex_header_remove ne 'NO') {
2790: $texversion = &latex_header_footer_remove($texversion);
2791: } else {
2792: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
2793: }
2794: $result .= $texversion;
2795: $flag_latex_header_remove = 'YES';
2796: } elsif ($urlp=~ /\.pdf$/i) {
2797: if ($i > 0) {
2798: $result .= '\cleardoublepage';
2799: }
2800: my $texfrompdf = &include_pdf($urlp);
2801: if ($flag_latex_header_remove ne 'NO') {
2802: $texfrompdf = &latex_header_footer_remove($texfrompdf);
2803: }
2804: $result .= $texfrompdf;
2805: if ($i != $#master_seq) {
2806: if ($numberofcolumns eq '1') {
2807: $result .= '\newpage';
2808: } else {
2809: # the \\'s seem to be needed to let LaTeX know there's something
2810: # on the page since LaTeX seems to not like to clear an empty page.
2811: #
2812: $result .= '\\ \cleardoublepage';
2813: }
2814: }
2815: $flag_latex_header_remove = 'YES';
2816:
2817: } else {
2818: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
2819: $master_seq[$i]);
2820: if ($flag_latex_header_remove ne 'NO') {
2821: $texversion = &latex_header_footer_remove($texversion);
2822: } else {
2823: $texversion =~ s/\\end{document}//;
2824: }
2825: $result .= $texversion;
2826: $flag_latex_header_remove = 'YES';
2827: }
2828: if (&Apache::loncommon::connection_aborted($r)) {
2829: last;
2830: }
2831: }
2832: &Apache::lonxml::clear_problem_counter();
2833: if ($flag_page_in_sequence eq 'YES') {
2834: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
2835: }
2836: $result .= '\end{document}';
2837: } elsif (($print_type eq 'problems_for_students') ||
2838: ($print_type eq 'problems_for_students_from_page') ||
2839: ($print_type eq 'all_problems_students') ||
2840: ($print_type eq 'resources_for_students') ||
2841: ($print_type eq 'incomplete_problems_selpeople_course') ||
2842: ($print_type eq 'map_incomplete_problems_people_seq')){
2843:
2844:
2845: #-- prints assignments for whole class or for selected students
2846: my $type;
2847: if (($print_type eq 'problems_for_students') ||
2848: ($print_type eq 'problems_for_students_from_page') ||
2849: ($print_type eq 'all_problems_students') ||
2850: ($print_type eq 'incomplete_problems_selpeople_course') ||
2851: ($print_type eq 'map_incomplete_problems_people_seq')) {
2852: $selectionmade=5;
2853: $type='problems';
2854: } elsif ($print_type eq 'resources_for_students') {
2855: $selectionmade=8;
2856: $type='resources';
2857: }
2858: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
2859: # The normal sort order is by section then by students within the
2860: # section. If the helper var student_sort is 1, then the user has elected
2861: # to override this and output the students by name.
2862: # Each element of the students array is of the form:
2863: # username:domain:section:last, first:status
2864: #
2865: # Note that student sort is not compatible with printing
2866: # 1 section per pdf...so that setting overrides.
2867: #
2868: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
2869: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
2870: @students = sort compare_names @students;
2871: }
2872: &adjust_number_to_print($helper);
2873:
2874: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
2875: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
2876: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
2877: }
2878: # If we are splitting on section boundaries, we need
2879: # to remember that in split_on_sections and
2880: # print all of the students in the list.
2881: #
2882: my $split_on_sections = 0;
2883: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
2884: $split_on_sections = 1;
2885: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
2886: }
2887: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
2888:
2889: #loop over students
2890:
2891: my $flag_latex_header_remove = 'NO';
2892: my %moreenv;
2893: $moreenv{'instructor_comments'}='hide';
2894: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
2895: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2896: $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2897: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
2898: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
2899: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2900: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2901: $moreenv{'problem_split'}='yes';
2902: }
2903: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
2904: my $student_counter=-1;
2905: my $i = 0;
2906: my $last_section = (split(/:/,$students[0]))[2];
2907: foreach my $person (@students) {
2908: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2909: if (-e $duefile) {
2910: my $temp_file = Apache::File->new('>>'.$duefile);
2911: print $temp_file "1969\n";
2912: }
2913: $student_counter++;
2914: if ($split_on_sections) {
2915: my $this_section = (split(/:/,$person))[2];
2916: if ($this_section ne $last_section) {
2917: $i++;
2918: $last_section = $this_section;
2919: }
2920: } else {
2921: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
2922: }
2923: my $actual_seq = master_seq_to_person_seq($helper, \@master_seq, $person);
2924: my ($output,$fullname, $printed)=&print_resources($r,$helper,
2925: $person,$type,
2926: \%moreenv, $actual_seq,
2927: $flag_latex_header_remove,
2928: $LaTeXwidth);
2929: $resources_printed .= ":";
2930: $print_array[$i].=$output;
2931: $student_names[$i].=$person.':'.$fullname.'_END_';
2932: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
2933: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
2934: $flag_latex_header_remove = 'YES';
2935: if (&Apache::loncommon::connection_aborted($r)) { last; }
2936: }
2937: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
2938: $result .= $print_array[0].' \end{document}';
2939: } elsif (($print_type eq 'problems_for_anon') ||
2940: ($print_type eq 'problems_for_anon_page') ||
2941: ($print_type eq 'resources_for_anon') ) {
2942: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
2943: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
2944: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
2945: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
2946: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
2947: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
2948: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
2949:
2950: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
2951: my @lines = &Apache::grades::get_scantronformat_file();
2952: my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
2953: foreach my $line (@lines) {
2954: chomp($line);
2955: my ($name,$type,$length,$bubbles_per_item) =
2956: (split(/:/,$line))[0,2,4,17];
2957: if ($name eq $code_option) {
2958: $code_length=$length;
2959: if ($type eq 'number') { $code_type = 'number'; }
2960: chomp($bubbles_per_item);
2961: if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
2962: $bubbles_per_row = $bubbles_per_item;
2963: }
2964: }
2965: }
2966: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
2967: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
2968: $moreenv{'instructor_comments'}='hide';
2969: $moreenv{'bubbles_per_row'} = $bubbles_per_row;
2970: my $seed=time+($$<<16)+($$);
2971: my @allcodes;
2972: if ($old_name) {
2973: my %result=&Apache::lonnet::get('CODEs',
2974: [$old_name,"type\0$old_name"],
2975: $cdom,$cnum);
2976: $code_type=$result{"type\0$old_name"};
2977: @allcodes=split(',',$result{$old_name});
2978: $num_todo=scalar(@allcodes);
2979: } elsif ($selected_code) { # Selection value is always numeric.
2980: $num_todo = 1;
2981: @allcodes = ($selected_code);
2982: } elsif ($single_code) {
2983:
2984: $num_todo = 1; # Unconditionally one code to do.
2985: # If an alpha code have to convert to numbers so it can be
2986: # converted back to letters again :-)
2987: #
2988: if ($code_type ne 'number') {
2989: $single_code = &letters_to_num($single_code);
2990: }
2991: @allcodes = ($single_code);
2992: } else {
2993: my %allcodes;
2994: srand($seed);
2995: for (my $i=0;$i<$num_todo;$i++) {
2996: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
2997: $code_type);
2998: }
2999: if ($code_name) {
3000: &Apache::lonnet::put('CODEs',
3001: {
3002: $code_name =>join(',',keys(%allcodes)),
3003: "type\0$code_name" => $code_type
3004: },
3005: $cdom,$cnum);
3006: }
3007: @allcodes=keys(%allcodes);
3008: }
3009: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3010: my ($type) = split(/_/,$print_type);
3011: &adjust_number_to_print($helper);
3012: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
3013: if ($number_per_page eq '0' || $number_per_page eq 'all'
3014: || $number_per_page eq 'section') {
3015: $number_per_page=$num_todo > 0 ? $num_todo : 1;
3016: }
3017: my $flag_latex_header_remove = 'NO';
3018: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
3019: my $count=0;
3020: foreach my $code (sort(@allcodes)) {
3021: my $file_num=int($count/$number_per_page);
3022: if ($code_type eq 'number') {
3023: $moreenv{'CODE'}=$code;
3024: } else {
3025: $moreenv{'CODE'}=&num_to_letters($code);
3026: }
3027: my ($output,$fullname, $printed)=
3028: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
3029: \@master_seq,$flag_latex_header_remove,
3030: $LaTeXwidth);
3031: $resources_printed .= ":";
3032: $print_array[$file_num].=$output;
3033: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
3034: &mt('last assignment').' '.$fullname);
3035: $flag_latex_header_remove = 'YES';
3036: $count++;
3037: if (&Apache::loncommon::connection_aborted($r)) { last; }
3038: }
3039: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3040: $result .= $print_array[0].' \end{document}';
3041: } elsif ($print_type eq 'problems_from_directory') {
3042: #prints selected problems from the subdirectory
3043: $selectionmade = 6;
3044: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
3045: @list_of_files=sort @list_of_files;
3046: my $flag_latex_header_remove = 'NO';
3047: my $rndseed=time;
3048: if ($helper->{'VARS'}->{'curseed'}) {
3049: $rndseed=$helper->{'VARS'}->{'curseed'};
3050: }
3051: for (my $i=0;$i<=$#list_of_files;$i++) {
3052:
3053: &Apache::lonenc::reset_enc();
3054:
3055: my $urlp = $list_of_files[$i];
3056: $urlp=~s|//|/|;
3057: if ($urlp=~/\//) {
3058: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
3059: $form{'rndseed'}=$rndseed;
3060: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
3061: $resources_printed .= $urlp.':';
3062: my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
3063: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3064: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3065: # Don't permanently pervert %form:
3066: my %answerform = %form;
3067: $answerform{'grade_target'}='answer';
3068: $answerform{'answer_output_mode'}='tex';
3069: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3070: $answerform{'rndseed'}=$rndseed;
3071: $resources_printed .= $urlp.':';
3072: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
3073: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3074: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
3075: } else {
3076: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3077: if ($helper->{'VARS'}->{'construction'} ne '1') {
3078: $texversion.='\vskip 0 mm \noindent ';
3079: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3080: } else {
3081: $texversion.='\vskip 0 mm \noindent\textbf{'.
3082: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
3083: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3084: }
3085: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
3086: }
3087: }
3088: #this chunk is responsible for printing the path to problem
3089:
3090: my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
3091: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
3092: if ($flag_latex_header_remove ne 'NO') {
3093: $texversion = &latex_header_footer_remove($texversion);
3094: } else {
3095: $texversion =~ s/\\end{document}//;
3096: }
3097: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3098: $texversion=&IndexCreation($texversion,$urlp);
3099: }
3100: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
3101: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
3102:
3103: }
3104: $result .= $texversion;
3105: }
3106: $flag_latex_header_remove = 'YES';
3107: }
3108: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
3109: $result .= '\end{document}';
3110: }
3111: #-------------------------------------------------------- corrections for the different page formats
3112:
3113: # Only post process if that has not been turned off e.g. by a raw latex resource.
3114:
3115: if ($do_postprocessing) {
3116: $result = &page_format_transformation($papersize,
3117: $laystyle,$numberofcolumns,
3118: $print_type,$result,
3119: $helper->{VARS}->{'assignment'},
3120: $helper->{'VARS'}->{'TABLE_CONTENTS'},
3121: $helper->{'VARS'}->{'TABLE_INDEX'},
3122: $selectionmade);
3123: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
3124: $helper->{'VARS'}->{'ANSWER_TYPE'});
3125: #if ($numberofcolumns == 1) {
3126: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
3127: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
3128: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3129: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3130: #}
3131: }
3132:
3133: # Set URLback if this is a construction space print so we can provide
3134: # a link to the resource being edited.
3135: #
3136:
3137: my $URLback=''; #link to original document
3138: if ($helper->{'VARS'}->{'construction'} eq '1') {
3139: $URLback=$helper->{'VARS'}->{'filename'};
3140: }
3141: #
3142: # Final adjustment of the font size:
3143: #
3144:
3145: $result = set_font_size($result);
3146:
3147: # Insert any babel headers required.
3148:
3149: $result = &collect_languages($result);
3150:
3151:
3152: #-- writing .tex file in prtspool
3153: my $temp_file;
3154: my $identifier = &Apache::loncommon::get_cgi_id();
3155: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
3156: if (!($#print_array>0)) {
3157: unless ($temp_file = Apache::File->new('>'.$filename)) {
3158: $r->log_error("Couldn't open $filename for output $!");
3159: return SERVER_ERROR;
3160: }
3161: print $temp_file $result;
3162: my $begin=index($result,'\begin{document}',0);
3163: my $inc=substr($result,0,$begin+16);
3164: } else {
3165: my $begin=index($result,'\begin{document}',0);
3166: my $inc=substr($result,0,$begin+16);
3167: for (my $i=0;$i<=$#print_array;$i++) {
3168: if ($i==0) {
3169: $print_array[$i]=$result;
3170: } else {
3171: $print_array[$i].='\end{document}';
3172: $print_array[$i] =
3173: &latex_corrections($number_of_columns,$print_array[$i],
3174: $selectionmade,
3175: $helper->{'VARS'}->{'ANSWER_TYPE'});
3176:
3177: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
3178: substr($print_array[$i],0,$anobegin)='';
3179: $print_array[$i]=$inc.$print_array[$i];
3180: }
3181: my $temp_file;
3182: my $newfilename=$filename;
3183: my $num=$i+1;
3184: $newfilename =~s/\.tex$//;
3185: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
3186: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
3187: $r->log_error("Couldn't open $newfilename for output $!");
3188: return SERVER_ERROR;
3189: }
3190: print $temp_file $print_array[$i];
3191: }
3192: }
3193: my $student_names='';
3194: if ($#print_array>0) {
3195: for (my $i=0;$i<=$#print_array;$i++) {
3196: $student_names.=$student_names[$i].'_ENDPERSON_';
3197: }
3198: } else {
3199: if ($#student_names>-1) {
3200: $student_names=$student_names[0].'_ENDPERSON_';
3201: } else {
3202: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
3203: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
3204: $env{'request.course.sec'},$fullname).
3205: '_ENDPERSON_'.'_END_';
3206: }
3207: }
3208:
3209: # logic for now is too complex to trace if this has been defined
3210: # yet.
3211: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3212: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3213: &Apache::lonnet::appenv({'cgi.'.$identifier.'.file' => $filename,
3214: 'cgi.'.$identifier.'.layout' => $laystyle,
3215: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
3216: 'cgi.'.$identifier.'.paper' => $papersize,
3217: 'cgi.'.$identifier.'.selection' => $selectionmade,
3218: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
3219: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
3220: 'cgi.'.$identifier.'.role' => $perm{'pav'},
3221: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
3222: 'cgi.'.$identifier.'.studentnames' => $student_names,
3223: 'cgi.'.$identifier.'.backref' => $URLback,});
3224: &Apache::lonnet::appenv({"cgi.$identifier.user" => $env{'user.name'},
3225: "cgi.$identifier.domain" => $env{'user.domain'},
3226: "cgi.$identifier.courseid" => $cnum,
3227: "cgi.$identifier.coursedom" => $cdom,
3228: "cgi.$identifier.resources" => $resources_printed});
3229:
3230: my $end_page = &Apache::loncommon::end_page();
3231: my $continue_text = &mt('Continue');
3232: # If there's been an unrecoverable SSI error, report it to the user
3233: if ($ssi_error) {
3234: my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
3235: $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
3236: &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
3237: '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
3238: '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
3239: &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
3240: '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
3241: &mt('We apologize for the inconvenience.').'</p>'.
3242: '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
3243: } else {
3244: $r->print(<<FINALEND);
3245: <br />
3246: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
3247: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
3248: $end_page
3249: FINALEND
3250: } # endif ssi errors.
3251: }
3252:
3253:
3254: sub get_CODE {
3255: my ($all_codes,$num,$seed,$size,$type)=@_;
3256: my $max='1'.'0'x$size;
3257: my $newcode;
3258: while(1) {
3259: $newcode=sprintf("%0".$size."d",int(rand($max)));
3260: if (!exists($$all_codes{$newcode})) {
3261: $$all_codes{$newcode}=1;
3262: if ($type eq 'number' ) {
3263: return $newcode;
3264: } else {
3265: return &num_to_letters($newcode);
3266: }
3267: }
3268: }
3269: }
3270:
3271: sub print_resources {
3272: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
3273: $LaTeXwidth)=@_;
3274: my $current_output = '';
3275: my $printed = '';
3276: my ($username,$userdomain,$usersection) = split /:/,$person;
3277: my $fullname = &get_name($username,$userdomain);
3278: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
3279:
3280: #
3281: # Figure out if we need to filter the output by
3282: # the incomplete problems for that person
3283: #
3284: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
3285: my $print_incomplete = 0;
3286: if (($print_type eq 'map_incomplete_problems_people_seq') ||
3287: ($print_type eq 'incomplete_problems_selpeople_course')) {
3288: $print_incomplete = 1;
3289: }
3290: if ($person eq 'anonymous') {
3291: $namepostfix .="Name: ";
3292: $fullname = "CODE - ".$moreenv->{'CODE'};
3293: }
3294:
3295: # Fullname may have special latex characters that need \ prefixing:
3296: #
3297:
3298: my $i = 0;
3299: my $actually_printed = 0; # Count of resources printed.
3300: #goes through all resources, checks if they are available for
3301: #current student, and produces output
3302:
3303: &Apache::lonxml::clear_problem_counter();
3304: my %page_breaks = &get_page_breaks($helper);
3305: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
3306: #
3307: # end each student with a
3308: # Special that allows the post processor to even out the page
3309: # counts later. Nasty problem this... it would be really
3310: # nice to put the special in as a postscript comment
3311: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
3312: # The special gets passed the \ and dvips puts it in the output file
3313: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
3314: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
3315: #
3316:
3317: my $syllabus_first = 0;
3318: foreach my $curresline (@{$master_seq}) {
3319: if (defined $page_breaks{$curresline}) {
3320: if($i != 0) {
3321: $current_output.= "\\newpage\n";
3322: }
3323: }
3324: $current_output .= &get_extra_vspaces($helper, $curresline);
3325: $i++;
3326: if ( !($type eq 'problems' &&
3327: ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
3328: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
3329: if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
3330: next;
3331: }
3332: $actually_printed++; # we're going to print one.
3333: if (&Apache::lonnet::allowed('bre',$res_url)) {
3334: if ($res_url!~m|^ext/|
3335: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
3336: $printed .= $curresline.':';
3337: &Apache::lonxml::remember_problem_counter();
3338:
3339: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3340: if ($res_url =~ /\.page$/) {
3341: if ($remove_latex_header eq 'NO') {
3342: if (!($rendered =~ /\\begin\{document\}/)) {
3343: $rendered = &print_latex_header().$rendered;
3344: }
3345: }
3346: ;
3347: if ($remove_latex_header eq 'YES') {
3348: $rendered = &latex_header_footer_remove($rendered);
3349: } else {
3350: $rendered =~ s/\\end{document}\d*//;
3351: }
3352: }
3353: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3354: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3355: # Use a copy of the hash so we don't pervert it on future loop passes.
3356: my %answerenv = %{$moreenv};
3357: $answerenv{'answer_output_mode'}='tex';
3358:
3359:
3360: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3361:
3362: &Apache::lonxml::restore_problem_counter();
3363:
3364: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
3365:
3366: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3367: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
3368: } else {
3369:
3370:
3371: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3372: unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
3373: $header =~ s/\\begin{document}//; #<<<<<
3374: }
3375: my $title = &Apache::lonnet::gettitle($curresline);
3376: $title = &Apache::lonxml::latex_special_symbols($title);
3377: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
3378: $body .=&path_to_problem($res_url,$LaTeXwidth);
3379: $body .='\vskip 1 mm '.$ansrendered;
3380: $body = &encapsulate_minipage($body);
3381: $rendered = $header.$body;
3382: }
3383: }
3384: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3385: my $url = &Apache::lonnet::clutter($res_url);
3386: my $annotation = &annotate($url);
3387: $rendered =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
3388: }
3389: my $junk;
3390: if ($remove_latex_header eq 'YES') {
3391: $rendered = &latex_header_footer_remove($rendered);
3392: } else {
3393: $rendered =~ s/\\end{document}//;
3394: }
3395: $current_output .= $rendered;
3396: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
3397: if ($i == 1) {
3398: $syllabus_first = 1;
3399: }
3400: $printed .= $curresline.':';
3401: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3402: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3403: my $url = &Apache::lonnet::clutter($res_url);
3404: my $annotation = &annotate($url);
3405: $annotation =~ s/(\\end{document})/$annotation$1/;
3406: }
3407: if ($remove_latex_header eq 'YES') {
3408: $rendered = &latex_header_footer_remove($rendered);
3409: } else {
3410: $rendered =~ s/\\end{document}//;
3411: }
3412: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
3413: } elsif($res_url = ~/\.pdf$/) {
3414: my $url = &Apache::lonnet::clutter($res_url);
3415: my $rendered = &include_pdf($url);
3416: if ($remove_latex_header ne 'NO') {
3417: $rendered = &latex_header_footer_remove($rendered);
3418: }
3419: $current_output .= $rendered;
3420: } else {
3421: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
3422: if ($remove_latex_header ne 'NO') {
3423: $rendered = &latex_header_footer_remove($rendered);
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: # If we are printing incomplete it's possible we don't have
3435: # anything to print. The print subsystem is not so good at handling
3436: # that so we're going to generate a stub that says there are no
3437: # incomplete resources for the person.
3438: #
3439:
3440: if ($actually_printed == 0) {
3441: $current_output = &encapsulate_minipage("\\vskip -10mm \nNo incomplete resources\n \\vskip 100 mm { }\n");
3442: if ($remove_latex_header eq "NO") {
3443: $current_output = &print_latex_header() . $current_output;
3444: } else {
3445: $current_output = &latex_header_footer_remove($current_output);
3446: }
3447: }
3448:
3449: if ($syllabus_first) {
3450: $current_output =~ s/\\\\ Last updated:/Last updated:/
3451: }
3452: my $courseidinfo = &get_course();
3453: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
3454: my $header_line =
3455: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3456: $currentassignment, $courseidinfo, $fullname, $usersection);
3457: my $header_start = ($columns_in_format == 1) ? '\lhead'
3458: : '\fancyhead[LO]';
3459: $header_line = $header_start.'{'.$header_line.'}';
3460: if ($current_output=~/\\documentclass/) {
3461: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
3462: } else {
3463: my $blankpages =
3464: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
3465:
3466: $current_output = '\strut\vspace*{-6 mm}\\newline'.
3467: ©right_line().' \newpage '.$blankpages.$end_of_student.
3468: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
3469: $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
3470: }
3471: #
3472: # Close the student bracketing.
3473: #
3474: return ($current_output,$fullname, $printed);
3475:
3476: }
3477:
3478: sub handler {
3479:
3480: my $r = shift;
3481:
3482: &init_perm();
3483:
3484: my $helper = printHelper($r);
3485: if (!ref($helper)) {
3486: return $helper;
3487: }
3488:
3489:
3490: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
3491:
3492:
3493:
3494:
3495: # If a figure conversion queue file exists for this user.domain
3496: # we delete it since it can only be bad (if it were good, printout.pl
3497: # would have deleted it the last time around.
3498:
3499: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
3500: if(-e $conversion_queuefile) {
3501: unlink $conversion_queuefile;
3502: }
3503:
3504:
3505: &output_data($r,$helper,\%parmhash);
3506: return OK;
3507: }
3508:
3509: use Apache::lonhelper;
3510:
3511: sub addMessage {
3512: my $text = shift;
3513: my $paramHash = Apache::lonhelper::getParamHash();
3514: $paramHash->{MESSAGE_TEXT} = $text;
3515: Apache::lonhelper::message->new();
3516: }
3517:
3518:
3519:
3520: sub init_perm {
3521: undef(%perm);
3522: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
3523: if (!$perm{'pav'}) {
3524: $perm{'pav'}=&Apache::lonnet::allowed('pav',
3525: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3526: }
3527: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
3528: if (!$perm{'pfo'}) {
3529: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
3530: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3531: }
3532: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
3533: if (!$perm{'vgr'}) {
3534: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
3535: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3536: }
3537: }
3538:
3539: sub get_randomly_ordered_warning {
3540: my ($helper,$map) = @_;
3541:
3542: my $message;
3543:
3544: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
3545: my $navmap = Apache::lonnavmaps::navmap->new();
3546: if (defined($navmap)) {
3547: my $res = $navmap->getResourceByUrl($map);
3548: if ($res) {
3549: my $func =
3550: sub { return ($_[0]->is_map() && $_[0]->randomorder); };
3551: my @matches = $navmap->retrieveResources($res, $func,1,1,1);
3552:
3553: }
3554: } else {
3555: $message = "Retrieval of information about ordering of resources failed.";
3556: return '<message type="warning">'.$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: } else {
3568: &Apache::loncommon::content_type($r,'text/html');
3569: }
3570: $r->send_http_header;
3571: return OK;
3572: }
3573:
3574: # Send header, nocache
3575: if ($env{'browser.mathml'}) {
3576: &Apache::loncommon::content_type($r,'text/xml');
3577: } else {
3578: &Apache::loncommon::content_type($r,'text/html');
3579: }
3580: &Apache::loncommon::no_cache($r);
3581: $r->send_http_header;
3582: $r->rflush();
3583:
3584: # Unfortunately, this helper is so complicated we have to
3585: # write it by hand
3586:
3587: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
3588:
3589: my $helper = Apache::lonhelper::helper->new("Printing Helper");
3590: $helper->declareVar('symb');
3591: $helper->declareVar('postdata');
3592: $helper->declareVar('curseed');
3593: $helper->declareVar('probstatus');
3594: $helper->declareVar('filename');
3595: $helper->declareVar('construction');
3596: $helper->declareVar('assignment');
3597: $helper->declareVar('style_file');
3598: $helper->declareVar('student_sort');
3599: $helper->declareVar('FINISHPAGE');
3600: $helper->declareVar('PRINT_TYPE');
3601: $helper->declareVar("showallfoils");
3602: $helper->declareVar("STUDENTS");
3603: $helper->declareVar("EXTRASPACE");
3604:
3605:
3606:
3607:
3608: # The page breaks and extra spaces
3609: # can get loaded initially from the course environment:
3610: # But we only do this in the initial state so that they are allowed to change.
3611: #
3612:
3613:
3614: &Apache::loncommon::restore_course_settings('print',
3615: {'pagebreaks' => 'scalar',
3616: 'extraspace' => 'scalar',
3617: 'extraspace_units' => 'scalar',
3618: 'lastprinttype' => 'scalar'});
3619:
3620: # This will persistently load in the data we want from the
3621: # very first screen.
3622:
3623: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
3624: if (!defined ($env{"form.CURRENT_STATE"})) {
3625:
3626: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
3627: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
3628: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
3629: } else {
3630: my $state = $env{"form.CURRENT_STATE"};
3631: if ($state eq "START") {
3632: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
3633: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
3634: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
3635:
3636: }
3637: }
3638:
3639: }
3640:
3641: # Detect whether we're coming from construction space
3642: if ($env{'form.postdata'}=~m{^/priv}) {
3643: $helper->{VARS}->{'filename'} = $env{'form.postdata'};
3644: $helper->{VARS}->{'construction'} = 1;
3645: } else {
3646: if ($env{'form.postdata'}) {
3647: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
3648: if ( $helper->{VARS}->{'symb'} eq '') {
3649: $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
3650: }
3651: }
3652: if ($env{'form.symb'}) {
3653: $helper->{VARS}->{'symb'} = $env{'form.symb'};
3654: }
3655: if ($env{'form.url'}) {
3656: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
3657: }
3658:
3659: }
3660:
3661: if ($env{'form.symb'}) {
3662: $helper->{VARS}->{'symb'} = $env{'form.symb'};
3663: }
3664: if ($env{'form.url'}) {
3665: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
3666:
3667: }
3668: $helper->{VARS}->{'symb'}=
3669: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
3670: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
3671: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
3672:
3673:
3674: # Extract map
3675: my $symb = $helper->{VARS}->{'symb'};
3676: my ($map, $id, $url);
3677: my $subdir;
3678: my $is_published=0; # True when printing from resource space.
3679: my $res_printable = 1; # By default the current resource is printable.
3680: my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
3681:
3682: # Get the resource name from construction space
3683: if ($helper->{VARS}->{'construction'}) {
3684: $resourceTitle = substr($helper->{VARS}->{'filename'},
3685: rindex($helper->{VARS}->{'filename'}, '/')+1);
3686: $subdir = substr($helper->{VARS}->{'filename'},
3687: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
3688: } else {
3689: # From course space:
3690:
3691: if ($symb ne '') {
3692: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
3693: $helper->{VARS}->{'postdata'} =
3694: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
3695: my $navmap = Apache::lonnavmaps::navmap->new();
3696: my $res = $navmap->getBySymb($symb);
3697: $res_printable = $res->resprintable() || $userCanPrint; #printability in course context
3698: } else {
3699: # Resource space.
3700:
3701: $url = $helper->{VARS}->{'postdata'};
3702: $is_published=1; # From resource space.
3703: }
3704: $url = &Apache::lonnet::clutter($url);
3705: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
3706: my $postdata = $helper->{VARS}->{'postdata'};
3707: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
3708: }
3709: $subdir = &Apache::lonnet::filelocation("", $url);
3710:
3711:
3712: }
3713: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
3714: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
3715: }
3716: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
3717: $helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
3718: }
3719:
3720: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
3721:
3722: Apache::lonhelper::registerHelperTags();
3723:
3724: # "Delete everything after the last slash."
3725: $subdir =~ s|/[^/]+$||;
3726:
3727: # What can be printed is a very dynamic decision based on
3728: # lots of factors. So we need to dynamically build this list.
3729: # To prevent security leaks, states are only added to the wizard
3730: # if they can be reached, which ensures manipulating the form input
3731: # won't allow anyone to reach states they shouldn't have permission
3732: # to reach.
3733:
3734: # printChoices is tracking the kind of printing the user can
3735: # do, and will be used in a choices construction later.
3736: # In the meantime we will be adding states and elements to
3737: # the helper by hand.
3738: my $printChoices = [];
3739: my $paramHash;
3740:
3741: # If there is a current resource and it is printable
3742: # Give that as a choice.
3743:
3744: if ($resourceTitle && $res_printable) {
3745: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
3746: }
3747:
3748:
3749: # Useful filter strings
3750:
3751: my $isPrintable = ' && $res->resprintable()';
3752:
3753: my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
3754: $isProblem .= $isPrintable unless $userCanPrint;
3755: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
3756: my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
3757: $isProblemOrMap .= $isPrintable unless $userCanPrint;
3758: my $isNotMap = '(!$res->is_sequence())';
3759: $isNotMap .= $isPrintable unless $userCanPrint;
3760: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
3761: my $isMap = '$res->is_map()';
3762: $isMap .= $isPrintable unless $userCanPrint;
3763: my $symbFilter = '$res->shown_symb() ';
3764: my $urlValue = '$res->link()';
3765:
3766: $helper->declareVar('SEQUENCE');
3767:
3768: # If we're in a sequence...
3769:
3770: my $start_new_option;
3771: if ($perm{'pav'}) {
3772: $start_new_option =
3773: "<option text='".&mt('Start new page<br />before selected').
3774: "' variable='FINISHPAGE' />".
3775: "<option text='".&mt('Extra space<br />before selected').
3776: "' variable='EXTRASPACE' type='text' />" .
3777: "<option " .
3778: "' variable='POSSIBLE_RESOURCES' type='hidden' />".
3779: "<option text='".&mt('Space units<br />check for mm').
3780: "' variable='EXTRASPACE_UNITS' type='checkbox' />"
3781: ;
3782:
3783:
3784: }
3785:
3786: # If not construction space user can print the components of a page:
3787:
3788: my $page_ispage;
3789: my $page_title;
3790: if (!$helper->{VARS}->{'construction'}) {
3791: my $varspostdata = $helper->{VARS}->{'postdata'};
3792: my $varsassignment = $helper->{VARS}->{'assignment'};
3793: my $page_navmap = Apache::lonnavmaps::navmap->new();
3794: if (defined($page_navmap)) {
3795: my @page_resources = $page_navmap->retrieveResources($url);
3796: if(defined($page_resources[0])) {
3797: $page_ispage = $page_resources[0]->is_page();
3798: $page_title = $page_resources[0]->title();
3799: my $resourcesymb = $page_resources[0]->symb();
3800: my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
3801: if ($page_ispage) {
3802: push @{$printChoices},
3803: [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
3804: 'map_problems_in_page',
3805: 'CHOOSE_PROBLEMS_PAGE'];
3806: push @{$printChoices},
3807: [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
3808: 'map_resources_in_page',
3809: 'CHOOSE_RESOURCES_PAGE'];
3810: }
3811: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
3812: 'Select Problem(s) to print',
3813: "multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
3814: 'RESOURCES',
3815: 'PAGESIZE',
3816: $url,
3817: $isProblem, '', $symbFilter,
3818: $start_new_option);
3819:
3820:
3821: $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
3822: 'Select Resource(s) to print',
3823: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
3824: 'RESOURCES',
3825: 'PAGESIZE',
3826: $url,
3827: $isNotMap, '', $symbFilter,
3828: $start_new_option);
3829:
3830:
3831:
3832:
3833:
3834: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
3835:
3836: }
3837: }
3838: }
3839:
3840: if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
3841: $helper->{VARS}->{'postdata'} &&
3842: $helper->{VARS}->{'assignment'}) {
3843:
3844: # BZ 5209 - Print incomplete problems from sequence:
3845: # the exact form of this depends on whether or not we are privileged or a mere
3846: # plebe of s student:
3847:
3848: my $printSelector = 'map_incomplete_problems_seq';
3849: my $nextState = 'CHOOSE_INCOMPLETE_SEQ';
3850: my $textSuffix = '';
3851:
3852: if ($userCanPrint) {
3853: $printSelector = 'map_incomplete_problems_people_seq';
3854: $nextState = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
3855: $textSuffix = ' for selected students';
3856: my $helperStates =
3857: &create_incomplete_folder_selstud_helper($helper, $map);
3858: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
3859: } else {
3860: my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student.
3861: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
3862: }
3863:
3864: push(@{$printChoices},
3865: [&mt('Selected [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
3866: '<b>', '</b>',
3867: '<b><i>'. $sequenceTitle . '</b></i>'),
3868: $printSelector,
3869: $nextState]);
3870:
3871: # Allow problems from sequence
3872: push @{$printChoices},
3873: [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
3874: 'map_problems',
3875: 'CHOOSE_PROBLEMS'];
3876: # Allow all resources from sequence
3877: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
3878: 'map_problems_pages',
3879: 'CHOOSE_PROBLEMS_HTML'];
3880: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
3881: 'Select Problem(s) to print',
3882: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
3883: 'RESOURCES',
3884: 'PAGESIZE',
3885: $map,
3886: $isProblem, '',
3887: $symbFilter,
3888: $start_new_option);
3889: $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
3890: 'Select Resource(s) to print',
3891: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
3892: 'RESOURCES',
3893: 'PAGESIZE',
3894: $map,
3895: $isNotMap, '',
3896: $symbFilter,
3897: $start_new_option);
3898:
3899: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
3900: }
3901:
3902: # If the user has pfo (print for others) allow them to print all
3903: # problems and resources in the entire course, optionally for selected students
3904: my $post_data = $helper->{VARS}->{'postdata'};
3905:
3906: if ($perm{'pfo'} && !$is_published &&
3907: ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
3908:
3909: # BZ 5209 - incomplete problems from entire course:
3910:
3911: push(@{$printChoices},
3912: [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
3913: 'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
3914: my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
3915:
3916: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
3917:
3918: # Selected problems/resources from entire course:
3919:
3920: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
3921: push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
3922: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
3923: my $suffixXml = <<ALL_PROBLEMS;
3924: <state name="STUDENTS1" title="Select People">
3925: <message><b>Select sorting order of printout</b> </message>
3926: <choices variable='student_sort'>
3927: <choice computer='0'>Sort by section then student</choice>
3928: <choice computer='1'>Sort by students across sections.</choice>
3929: </choices>
3930: <message><br /><hr /><br /> </message>
3931: <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
3932: </state>
3933: ALL_PROBLEMS
3934: &Apache::lonxml::xmlparse($r, 'helper',
3935: &generate_resource_chooser('ALL_PROBLEMS',
3936: 'SelectProblem(s) to print',
3937: 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
3938: 'RESOURCES',
3939: 'PAGESIZE',
3940: '',
3941: $isProblemOrMap, $isNotMap,
3942: $symbFilter,
3943: $start_new_option) .
3944: &generate_resource_chooser('ALL_RESOURCES',
3945: 'Select Resource(s) to print',
3946: " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
3947: 'RESOURCES',
3948: 'PAGESIZE',
3949: '',
3950: $isNotMap,'',$symbFilter,
3951: $start_new_option) .
3952: &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
3953: 'Select Problem(s) to print',
3954: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
3955: 'RESOURCES',
3956: 'STUDENTS1',
3957: '',
3958: $isProblemOrMap,'' , $symbFilter,
3959: $start_new_option) .
3960: $suffixXml
3961: );
3962:
3963: if ($helper->{VARS}->{'assignment'}) {
3964:
3965: # If we were looking at a page, allow a selection of problems from the page
3966: # either for selected students or for coded assignments.
3967:
3968: if ($page_ispage) {
3969: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
3970: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
3971: 'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
3972: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
3973: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
3974: 'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
3975: }
3976: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
3977: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
3978: 'problems_for_students', 'CHOOSE_STUDENTS'];
3979: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
3980: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
3981: 'problems_for_anon', 'CHOOSE_ANON1'];
3982: }
3983:
3984: my $randomly_ordered_warning =
3985: &get_randomly_ordered_warning($helper, $map);
3986:
3987: # resource_selector will hold a few states that:
3988: # - Allow resources to be selected for printing.
3989: # - Determine pagination between assignments.
3990: # - Determine how many assignments should be bundled into a single PDF.
3991: # TODO:
3992: # Probably good to do things like separate this up into several vars, each
3993: # with one state, and use REGEXPs at inclusion time to set state names
3994: # and next states for better mix and match capability
3995: #
3996: my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
3997: 'Select resources to print',
3998: 'multichoice="1" addstatus="1" closeallpages="1"',
3999: 'RESOURCES',
4000: 'PRINT_FORMATTING',
4001: $map,
4002: $isProblem, '', $symbFilter,
4003: $start_new_option);
4004: $resource_selector .= &generate_format_selector($helper,
4005: 'How should results be printed?',
4006: 'PRINT_FORMATTING').
4007: &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
4008: 'Select Problem(s) to print',
4009: "multichoice='1' addstatus='1' closeallpages ='1'",
4010: 'RESOURCES',
4011: 'PRINT_FORMATTING',
4012: $url,
4013: $isProblem, '', $symbFilter,
4014: $start_new_option);
4015:
4016:
4017: # Generate student choosers.
4018:
4019:
4020:
4021: &Apache::lonxml::xmlparse($r, 'helper',
4022: &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
4023: 'student_sort',
4024: 'STUDENTS',
4025: 'CHOOSE_STUDENTS_PAGE'));
4026: &Apache::lonxml::xmlparse($r, 'helper',
4027: &generate_student_chooser('CHOOSE_STUDENTS',
4028: 'student_sort',
4029: 'STUDENTS',
4030: 'SELECT_PROBLEMS'));
4031: &Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
4032:
4033: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4034: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4035: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
4036: my $namechoice='<choice></choice>';
4037: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
4038: if ($name =~ /^error: 2 /) { next; }
4039: if ($name =~ /^type\0/) { next; }
4040: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
4041: }
4042:
4043:
4044: my %code_values;
4045: my %codes_to_print;
4046: foreach my $key (@names) {
4047: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
4048: foreach my $key (keys(%code_values)) {
4049: $codes_to_print{$key} = 1;
4050: }
4051: }
4052:
4053: my $code_selection;
4054: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
4055: my $choice = $code;
4056: if ($code =~ /^[A-Z]+$/) { # Alpha code
4057: $choice = &letters_to_num($code);
4058: }
4059: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
4060: }
4061: if (%codes_to_print) {
4062: $code_selection .='
4063: <message><b>Choose single CODE from list:</b></message>
4064: <message></td><td></message>
4065: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
4066: <choice></choice>
4067: <exec>
4068: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
4069: </exec>
4070: </dropdown>
4071: <message></td></tr><tr><td></message>
4072: '.$/;
4073:
4074: }
4075:
4076: my @lines = &Apache::grades::get_scantronformat_file();
4077: my $codechoice='';
4078: foreach my $line (@lines) {
4079: my ($name,$description,$code_type,$code_length)=
4080: (split(/:/,$line))[0,1,2,4];
4081: if ($code_length > 0 &&
4082: $code_type =~/^(letter|number|-1)/) {
4083: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
4084: }
4085: }
4086: if ($codechoice eq '') {
4087: $codechoice='<choice computer="default">Default</choice>';
4088: }
4089: my $anon1 = &generate_code_selector($helper,
4090: 'CHOOSE_ANON1',
4091: 'SELECT_PROBLEMS',
4092: $codechoice,
4093: $code_selection,
4094: $namechoice) . $resource_selector;
4095:
4096:
4097: &Apache::lonxml::xmlparse($r, 'helper',$anon1);
4098:
4099: my $anon_page = &generate_code_selector($helper,
4100: 'CHOOSE_ANON1_PAGE',
4101: 'SELECT_PROBLEMS_PAGE',
4102: $codechoice,
4103: $code_selection,
4104: $namechoice) .
4105: &generate_resource_chooser('SELECT_PROBLEMS_PAGE',
4106: 'Select Problem(s) to print',
4107: "multichoice='1' addstatus='1' closeallpages ='1'",
4108: 'RESOURCES',
4109: 'PRINT_FORMATTING',
4110: $url,
4111: $isProblem, '', $symbFilter,
4112: $start_new_option);
4113: &Apache::lonxml::xmlparse($r, 'helper', $anon_page);
4114:
4115:
4116: if ($helper->{VARS}->{'assignment'}) {
4117:
4118: # Assignment printing:
4119:
4120: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3] for [_4]selected people[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'resources_for_students', 'CHOOSE_STUDENTS1'];
4121: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3] for [_4]CODEd assignments[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'resources_for_anon', 'CHOOSE_ANON2'];
4122: }
4123:
4124:
4125: $resource_selector=<<RESOURCE_SELECTOR;
4126: <state name="SELECT_RESOURCES" title="Select Resources">
4127: $randomly_ordered_warning
4128: <nextstate>PRINT_FORMATTING</nextstate>
4129: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
4130: <resource variable="RESOURCES" multichoice="1" addstatus="1"
4131: closeallpages="1">
4132: <filterfunc>return $isNotMap;</filterfunc>
4133: <mapurl>$map</mapurl>
4134: <valuefunc>return $symbFilter;</valuefunc>
4135: $start_new_option
4136: </resource>
4137: </state>
4138: RESOURCE_SELECTOR
4139:
4140: $resource_selector .= &generate_format_selector($helper,
4141: 'Format of the print job',
4142: 'PRINT_FORMATTING');
4143: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
4144: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
4145: <choices variable='student_sort'>
4146: <choice computer='0'>Sort by section then student</choice>
4147: <choice computer='1'>Sort by students across sections.</choice>
4148: </choices>
4149: <message><br /><hr /><br /></message>
4150: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
4151:
4152: </state>
4153: $resource_selector
4154: CHOOSE_STUDENTS1
4155:
4156: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
4157: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
4158: <nextstate>SELECT_RESOURCES</nextstate>
4159: <message><h4>Fill out one of the forms below</h4></message>
4160: <message><br /><hr /> <br /></message>
4161: <message><h3>Generate new CODEd Assignments</h3></message>
4162: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
4163: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
4164: <validator>
4165: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
4166: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4167: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
4168: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4169: return "You need to specify the number of assignments to print";
4170: }
4171: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
4172: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
4173: return 'Specifying number of codes to print and a specific code is not compatible';
4174: }
4175: return undef;
4176: </validator>
4177: </string>
4178: <message></td></tr><tr><td></message>
4179: <message><b>Names to save the CODEs under for later:</b></message>
4180: <message></td><td></message>
4181: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
4182: <message></td></tr><tr><td></message>
4183: <message><b>Bubblesheet type:</b></message>
4184: <message></td><td></message>
4185: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
4186: $codechoice
4187: </dropdown>
4188: <message></td></tr><tr><td></table></message>
4189: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
4190: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
4191: <string variable="SINGLE_CODE" size="10">
4192: <validator>
4193: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
4194: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4195: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4196: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
4197: \$helper->{'VARS'}{'CODE_OPTION'});
4198: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
4199: return 'Specifying a code name is incompatible specifying number of codes.';
4200: } else {
4201: return undef; # Other forces control us.
4202: }
4203: </validator>
4204: </string>
4205: <message></td></tr><tr><td></message>
4206: $code_selection
4207: <message></td></tr></table></message>
4208: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
4209: <message><b>Select saved CODEs:</b></message>
4210: <message></td><td></message>
4211: <dropdown variable="REUSE_OLD_CODES">
4212: $namechoice
4213: </dropdown>
4214: <message></td></tr></table></message>
4215: </state>
4216: $resource_selector
4217: CHOOSE_ANON2
4218: }
4219:
4220: # FIXME: That RE should come from a library somewhere.
4221: if (($perm{'pav'}
4222: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
4223: && (defined($helper->{'VARS'}->{'construction'})
4224: ||
4225: (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
4226: &&
4227: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
4228: ))
4229: && $helper->{VARS}->{'assignment'} eq ""
4230: ) {
4231: my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
4232: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from current subdirectory [_3]','<b>','</b>','<b><i>'.$pretty_dir.'</i></b>','<b>','</b>'), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
4233: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
4234: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
4235:
4236: <files variable="FILES" multichoice='1'>
4237: <nextstate>PAGESIZE</nextstate>
4238: <filechoice>return '$subdir';</filechoice>
4239: CHOOSE_FROM_SUBDIR
4240:
4241: # this is broken up because I really want interpolation above,
4242: # and I really DON'T want it below
4243: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
4244: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
4245: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
4246: </filefilter>
4247: </files>
4248: </state>
4249: CHOOSE_FROM_SUBDIR
4250: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4251: }
4252:
4253: # Allow the user to select any sequence in the course, feed it to
4254: # another resource selector for that sequence
4255: if (!$helper->{VARS}->{'construction'} && !$is_published) {
4256: push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
4257: 'select_sequences', 'CHOOSE_SEQUENCE'];
4258: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
4259: #Escape apostrophes and backslashes for Perl
4260: $escapedSequenceName =~ s/\\/\\\\/g;
4261: $escapedSequenceName =~ s/'/\\'/g;
4262: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
4263: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
4264: <message>Select the sequence to print resources from:</message>
4265: <resource variable="SEQUENCE">
4266: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
4267: <filterfunc>return \$res->is_sequence;</filterfunc>
4268: <valuefunc>return $urlValue;</valuefunc>
4269: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
4270: </choicefunc>
4271: </resource>
4272: </state>
4273: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
4274: <message>(mark desired resources then click "next" button) <br /></message>
4275: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
4276: closeallpages="1">
4277: <nextstate>PAGESIZE</nextstate>
4278: <filterfunc>return $isNotMap</filterfunc>
4279: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
4280: <valuefunc>return $symbFilter;</valuefunc>
4281: $start_new_option
4282: </resource>
4283: </state>
4284: CHOOSE_FROM_ANY_SEQUENCE
4285: }
4286:
4287: # Generate the first state, to select which resources get printed.
4288: Apache::lonhelper::state->new("START", "Select Printing Options:");
4289: $paramHash = Apache::lonhelper::getParamHash();
4290: $paramHash->{MESSAGE_TEXT} = "";
4291: Apache::lonhelper::message->new();
4292: $paramHash = Apache::lonhelper::getParamHash();
4293: $paramHash->{'variable'} = 'PRINT_TYPE';
4294: $paramHash->{CHOICES} = $printChoices;
4295: Apache::lonhelper::choices->new();
4296:
4297: my $startedTable = 0; # have we started an HTML table yet? (need
4298: # to close it later)
4299:
4300: if (($perm{'pav'} and $perm{'vgr'}) or
4301: ($helper->{VARS}->{'construction'} eq '1')) {
4302: &addMessage('<br />'
4303: .'<h3>'.&mt('Print Options').'</h3>'
4304: .&Apache::lonhtmlcommon::start_pick_box()
4305: .&Apache::lonhtmlcommon::row_title(
4306: '<label for="ANSWER_TYPE_forminput">'
4307: .&mt('Print Answers')
4308: .'</label>'
4309: )
4310: );
4311: $paramHash = Apache::lonhelper::getParamHash();
4312: $paramHash->{'variable'} = 'ANSWER_TYPE';
4313: $helper->declareVar('ANSWER_TYPE');
4314: $paramHash->{CHOICES} = [
4315: ['Without Answers', 'yes'],
4316: ['With Answers', 'no'],
4317: ['Only Answers', 'only']
4318: ];
4319: Apache::lonhelper::dropdown->new();
4320: &addMessage(&Apache::lonhtmlcommon::row_closure());
4321: $startedTable = 1;
4322:
4323: #
4324: # Select font size.
4325: #
4326:
4327: $helper->declareVar('fontsize');
4328: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
4329: my $xmlfrag = << "FONT_SELECTION";
4330:
4331:
4332: <dropdown variable='fontsize' multichoice='0', allowempty='0'>
4333: <defaultvalue>
4334: return 'normalsize';
4335: </defaultvalue>
4336: <choice computer='tiny'>Tiny</choice>
4337: <choice computer='sub/superscriptsize'>Script Size</choice>
4338: <choice computer='footnotesize'>Footnote Size</choice>
4339: <choice computer='small'>Small</choice>
4340: <choice computer='normalsize'>Normal (default)</choice>
4341: <choice computer='large'>larger than normal</choice>
4342: <choice computer='Large'>Even larger than normal</choice>
4343: <choice computer='LARGE'>Still larger than normal</choice>
4344: <choice computer='huge'>huge font size</choice>
4345: <choice computer='Huge'>Largest possible size</choice>
4346: </dropdown>
4347: FONT_SELECTION
4348: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4349: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4350: }
4351:
4352: if ($perm{'pav'}) {
4353: if (!$startedTable) {
4354: addMessage("<hr width='33%' /><table><tr><td align='right'>".
4355: '<label for="LATEX_TYPE_forminput">'.
4356: &mt('LaTeX mode').
4357: "</label>: </td><td>");
4358: $startedTable = 1;
4359: } else {
4360: &addMessage(&Apache::lonhtmlcommon::row_title(
4361: '<label for="LATEX_TYPE_forminput">'
4362: .&mt('LaTeX mode')
4363: .'</label>'
4364: )
4365: );
4366: }
4367: $paramHash = Apache::lonhelper::getParamHash();
4368: $paramHash->{'variable'} = 'LATEX_TYPE';
4369: $helper->declareVar('LATEX_TYPE');
4370: if ($helper->{VARS}->{'construction'} eq '1') {
4371: $paramHash->{CHOICES} = [
4372: ['standard LaTeX mode', 'standard'],
4373: ['LaTeX batchmode', 'batchmode'], ];
4374: } else {
4375: $paramHash->{CHOICES} = [
4376: ['LaTeX batchmode', 'batchmode'],
4377: ['standard LaTeX mode', 'standard'] ];
4378: }
4379: Apache::lonhelper::dropdown->new();
4380:
4381: &addMessage(&Apache::lonhtmlcommon::row_closure()
4382: .&Apache::lonhtmlcommon::row_title(
4383: '<label for="TABLE_CONTENTS_forminput">'
4384: .&mt('Print Table of Contents')
4385: .'</label>'
4386: )
4387: );
4388: $paramHash = Apache::lonhelper::getParamHash();
4389: $paramHash->{'variable'} = 'TABLE_CONTENTS';
4390: $helper->declareVar('TABLE_CONTENTS');
4391: $paramHash->{CHOICES} = [
4392: ['No', 'no'],
4393: ['Yes', 'yes'] ];
4394: Apache::lonhelper::dropdown->new();
4395: &addMessage(&Apache::lonhtmlcommon::row_closure());
4396:
4397: if (not $helper->{VARS}->{'construction'}) {
4398: &addMessage(&Apache::lonhtmlcommon::row_title(
4399: '<label for="TABLE_INDEX_forminput">'
4400: .&mt('Print Index')
4401: .'</label>'
4402: )
4403: );
4404: $paramHash = Apache::lonhelper::getParamHash();
4405: $paramHash->{'variable'} = 'TABLE_INDEX';
4406: $helper->declareVar('TABLE_INDEX');
4407: $paramHash->{CHOICES} = [
4408: ['No', 'no'],
4409: ['Yes', 'yes'] ];
4410: Apache::lonhelper::dropdown->new();
4411: &addMessage(&Apache::lonhtmlcommon::row_closure());
4412: &addMessage(&Apache::lonhtmlcommon::row_title(
4413: '<label for="PRINT_DISCUSSIONS_forminput">'
4414: .&mt('Print Discussions')
4415: .'</label>'
4416: )
4417: );
4418: $paramHash = Apache::lonhelper::getParamHash();
4419: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
4420: $helper->declareVar('PRINT_DISCUSSIONS');
4421: $paramHash->{CHOICES} = [
4422: ['No', 'no'],
4423: ['Yes', 'yes'] ];
4424: Apache::lonhelper::dropdown->new();
4425: &addMessage(&Apache::lonhtmlcommon::row_closure());
4426:
4427: # Prompt for printing annotations too.
4428:
4429: &addMessage(&Apache::lonhtmlcommon::row_title(
4430: '<label for="PRINT_ANNOTATIONS_forminput">'
4431: .&mt('Print Annotations')
4432: .'</label>'
4433: )
4434: );
4435: $paramHash = Apache::lonhelper::getParamHash();
4436: $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
4437: $helper->declareVar("PRINT_ANNOTATIONS");
4438: $paramHash->{CHOICES} = [
4439: ['No', 'no'],
4440: ['Yes', 'yes']];
4441: Apache::lonhelper::dropdown->new();
4442: &addMessage(&Apache::lonhtmlcommon::row_closure());
4443:
4444: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
4445: $paramHash = Apache::lonhelper::getParamHash();
4446: $paramHash->{'multichoice'} = "true";
4447: $paramHash->{'allowempty'} = "true";
4448: $paramHash->{'variable'} = "showallfoils";
4449: $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
4450: Apache::lonhelper::choices->new();
4451: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4452: }
4453:
4454: if ($helper->{'VARS'}->{'construction'}) {
4455: my $stylevalue='$Apache::lonnet::env{"construct.style"}';
4456: my $randseedtext=&mt("Use random seed");
4457: my $stylefiletext=&mt("Use style file");
4458: my $selectfiletext=&mt("Select style file");
4459:
4460: my $xmlfrag .= '<message>'
4461: .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
4462: .$randseedtext
4463: .'</label>'
4464: )
4465: .'</message>
4466: <string variable="curseed" size="15" maxlength="15">
4467: <defaultvalue>
4468: return '.$helper->{VARS}->{'curseed'}.';
4469: </defaultvalue>'
4470: .'</string>'
4471: .'<message>'
4472: .&Apache::lonhtmlcommon::row_closure()
4473: .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
4474: .$stylefiletext
4475: .'</label>'
4476: )
4477: .'</message>
4478: <string variable="style_file" size="40">
4479: <defaultvalue>
4480: return '.$stylevalue.';
4481: </defaultvalue>
4482: </string><message> '
4483: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
4484: .$selectfiletext.'</a>'
4485: .&Apache::lonhtmlcommon::row_closure()
4486: .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
4487: .'</message>
4488: <choices allowempty="1" multichoice="true" variable="showallfoils">
4489: <choice computer="1"> </choice>
4490: </choices>'
4491: .'<message>'
4492: .&Apache::lonhtmlcommon::row_closure()
4493: .'</message>';
4494: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4495:
4496:
4497: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
4498: #
4499: # Initial value from construction space:
4500: #
4501: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4502: $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value
4503: }
4504: $xmlfrag = << "PROBTYPE";
4505: <dropdown variable="probstatus" multichoice="0" allowempty="0">
4506: <defaultvalue>
4507: return "$helper->{VARS}->{'probstatus'}";
4508: </defaultvalue>
4509: <choice computer="problem">Homework Problem</choice>
4510: <choice computer="exam">Exam Problem</choice>
4511: <choice computer="survey">Survey question</choice>
4512: ,choice computer="anonsurvey"Anonymous survey question</choice>
4513: </dropdown>
4514: PROBTYPE
4515: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4516: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4517:
4518:
4519:
4520: }
4521: }
4522:
4523:
4524:
4525:
4526: if ($startedTable) {
4527: &addMessage(&Apache::lonhtmlcommon::end_pick_box());
4528: }
4529:
4530: Apache::lonprintout::page_format_state->new("FORMAT");
4531:
4532: # Generate the PAGESIZE state which will offer the user the margin
4533: # choices if they select one column
4534: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
4535: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
4536:
4537:
4538: $helper->process();
4539:
4540:
4541: # MANUAL BAILOUT CONDITION:
4542: # If we're in the "final" state, bailout and return to handler
4543: if ($helper->{STATE} eq 'FINAL') {
4544: return $helper;
4545: }
4546:
4547: my $footer;
4548: if ($helper->{STATE} eq 'START') {
4549: my $prtspool=$r->dir_config('lonPrtDir');
4550: $footer = &recently_generated($prtspool);
4551: }
4552: $r->print($helper->display($footer));
4553: &Apache::lonhelper::unregisterHelperTags();
4554:
4555: return OK;
4556: }
4557:
4558:
4559: 1;
4560:
4561: package Apache::lonprintout::page_format_state;
4562:
4563: =pod
4564:
4565: =head1 Helper element: page_format_state
4566:
4567: See lonhelper.pm documentation for discussion of the helper framework.
4568:
4569: Apache::lonprintout::page_format_state is an element that gives the
4570: user an opportunity to select the page layout they wish to print
4571: with: Number of columns, portrait/landscape, and paper size. If you
4572: want to change the paper size choices, change the @paperSize array
4573: contents in this package.
4574:
4575: page_format_state is always directly invoked in lonprintout.pm, so there
4576: is no tag interface. You actually pass parameters to the constructor.
4577:
4578: =over 4
4579:
4580: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
4581:
4582: =back
4583:
4584: =cut
4585:
4586: use Apache::lonhelper;
4587:
4588: no strict;
4589: @ISA = ("Apache::lonhelper::element");
4590: use strict;
4591: use Apache::lonlocal;
4592: use Apache::lonnet;
4593:
4594: my $maxColumns = 2;
4595: # it'd be nice if these all worked
4596: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
4597: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
4598: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
4599: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
4600: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
4601: "a4 [210x297 mm]");
4602:
4603: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
4604: # Paper type
4605:
4606: sub new {
4607: my $self = Apache::lonhelper::element->new();
4608:
4609: shift;
4610:
4611: $self->{'variable'} = shift;
4612: my $helper = Apache::lonhelper::getHelper();
4613: $helper->declareVar($self->{'variable'});
4614: bless($self);
4615: return $self;
4616: }
4617:
4618: sub render {
4619: my $self = shift;
4620: my $helper = Apache::lonhelper::getHelper();
4621: my $result = '';
4622: my $var = $self->{'variable'};
4623: my $PageLayout=&mt('Page layout');
4624: my $NumberOfColumns=&mt('Number of columns');
4625: my $PaperType=&mt('Paper type');
4626: my $landscape=&mt('Landscape');
4627: my $portrait=&mt('Portrait');
4628: my $pdfFormLabel=&mt('PDF-Formfields');
4629: my $with=&mt('with Formfields');
4630: my $without=&mt('without Formfields');
4631:
4632:
4633: $result.='<h3>'.&mt('Layout Options').'</h3>'
4634: .&Apache::loncommon::start_data_table()
4635: .&Apache::loncommon::start_data_table_header_row()
4636: .'<th>'.$PageLayout.'</th>'
4637: .'<th>'.$NumberOfColumns.'</th>'
4638: .'<th>'.$PaperType.'</th>'
4639: .'<th>'.$pdfFormLabel.'</th>'
4640: .&Apache::loncommon::end_data_table_header_row()
4641: .&Apache::loncommon::start_data_table_row()
4642: .'<td>'
4643: .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
4644: .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
4645: .'</td>';
4646:
4647: $result.='<td align="center">'
4648: .'<select name="'.${var}.'.cols">';
4649:
4650: my $i;
4651: for ($i = 1; $i <= $maxColumns; $i++) {
4652: if ($i == 2) {
4653: $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
4654: } else {
4655: $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
4656: }
4657: }
4658:
4659: $result .= "</select></td><td>\n";
4660: $result .= "<select name='${var}.paper'>\n";
4661:
4662: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
4663: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
4664: $DefaultPaperSize=~s/\s//g;
4665: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
4666: $i = 0;
4667: foreach (@paperSize) {
4668: $_=~/(\w+)/;
4669: my $papersize=$1;
4670: if ($paperSize[$i]=~/$DefaultPaperSize/) {
4671: $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
4672: } else {
4673: $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
4674: }
4675: $i++;
4676: }
4677: $result .= <<HTML;
4678: </select>
4679: </td>
4680: <td align='center'>
4681: <select name='${var}.pdfFormFields'>
4682: <option selected="selected" value="no">$without</option>
4683: <option value="yes">$with</option>
4684: </select>
4685: </td>
4686: HTML
4687: $result.=&Apache::loncommon::end_data_table_row()
4688: .&Apache::loncommon::end_data_table();
4689:
4690: return $result;
4691: }
4692:
4693: sub postprocess {
4694: my $self = shift;
4695:
4696: my $var = $self->{'variable'};
4697: my $helper = Apache::lonhelper->getHelper();
4698: $helper->{VARS}->{$var} =
4699: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
4700: $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
4701: return 1;
4702: }
4703:
4704: 1;
4705:
4706: package Apache::lonprintout::page_size_state;
4707:
4708: =pod
4709:
4710: =head1 Helper element: page_size_state
4711:
4712: See lonhelper.pm documentation for discussion of the helper framework.
4713:
4714: Apache::lonprintout::page_size_state is an element that gives the
4715: user the opportunity to further refine the page settings if they
4716: select a single-column page.
4717:
4718: page_size_state is always directly invoked in lonprintout.pm, so there
4719: is no tag interface. You actually pass parameters to the constructor.
4720:
4721: =over 4
4722:
4723: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
4724:
4725: =back
4726:
4727: =cut
4728:
4729: use Apache::lonhelper;
4730: use Apache::lonnet;
4731: no strict;
4732: @ISA = ("Apache::lonhelper::element");
4733: use strict;
4734:
4735:
4736:
4737: sub new {
4738: my $self = Apache::lonhelper::element->new();
4739:
4740: shift; # disturbs me (probably prevents subclassing) but works (drops
4741: # package descriptor)... - Jeremy
4742:
4743: $self->{'variable'} = shift;
4744: my $helper = Apache::lonhelper::getHelper();
4745: $helper->declareVar($self->{'variable'});
4746:
4747: # The variable name of the format element, so we can look into
4748: # $helper->{VARS} to figure out whether the columns are one or two
4749: $self->{'formatvar'} = shift;
4750:
4751:
4752: $self->{NEXTSTATE} = shift;
4753: bless($self);
4754:
4755: return $self;
4756: }
4757:
4758: sub render {
4759: my $self = shift;
4760: my $helper = Apache::lonhelper::getHelper();
4761: my $result = '';
4762: my $var = $self->{'variable'};
4763:
4764:
4765:
4766: if (defined $self->{ERROR_MSG}) {
4767: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
4768: }
4769:
4770: my $format = $helper->{VARS}->{$self->{'formatvar'}};
4771:
4772: # Use format to get sensible defaults for the margins:
4773:
4774:
4775: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
4776: ($papersize) = split(/ /, $papersize);
4777:
4778: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
4779:
4780:
4781:
4782: my %size;
4783: ($size{'width_and_units'},
4784: $size{'height_and_units'},
4785: $size{'margin_and_units'})=
4786: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
4787:
4788: foreach my $dimension ('width','height','margin') {
4789: ($size{$dimension},$size{$dimension.'_unit'}) =
4790: split(/ +/, $size{$dimension.'_and_units'},2);
4791:
4792: foreach my $unit ('cm','in') {
4793: $size{$dimension.'_options'} .= '<option ';
4794: if ($size{$dimension.'_unit'} eq $unit) {
4795: $size{$dimension.'_options'} .= 'selected="selected" ';
4796: }
4797: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
4798: }
4799: }
4800:
4801: # Adjust margin for LaTeX margin: .. requires units == cm or in.
4802:
4803: if ($size{'margin_unit'} eq 'in') {
4804: $size{'margin'} += 1;
4805: } else {
4806: $size{'margin'} += 2.54;
4807: }
4808: my %lt = &Apache::lonlocal::texthash(
4809: 'format' => 'How should each column be formatted?',
4810: 'width' => 'Width',
4811: 'height' => 'Height',
4812: 'margin' => 'Left Margin'
4813: );
4814:
4815: $result .= '<p>'.$lt{'format'}.'</p>'
4816: .&Apache::lonhtmlcommon::start_pick_box()
4817: .&Apache::lonhtmlcommon::row_title($lt{'width'})
4818: .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
4819: .'<select name="'.$var.'.widthunit">'
4820: .$size{'width_options'}
4821: .'</select>'
4822: .&Apache::lonhtmlcommon::row_closure()
4823: .&Apache::lonhtmlcommon::row_title($lt{'height'})
4824: .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
4825: .'<select name="'.$var.'.heightunit">'
4826: .$size{'height_options'}
4827: .'</select>'
4828: .&Apache::lonhtmlcommon::row_closure()
4829: .&Apache::lonhtmlcommon::row_title($lt{'margin'})
4830: .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
4831: .'<select name="'.$var.'.lmarginunit">'
4832: .$size{'margin_options'}
4833: .'</select>'
4834: .&Apache::lonhtmlcommon::row_closure(1)
4835: .&Apache::lonhtmlcommon::end_pick_box();
4836: # <p>Hint: Some instructors like to leave scratch space for the student by
4837: # making the width much smaller than the width of the page.</p>
4838:
4839: return $result;
4840: }
4841:
4842:
4843: sub preprocess {
4844: my $self = shift;
4845: my $helper = Apache::lonhelper::getHelper();
4846:
4847: my $format = $helper->{VARS}->{$self->{'formatvar'}};
4848:
4849: # If the user does not have 'pav' privilege, set default widths and
4850: # on to the next state right away.
4851: #
4852: if (!$perm{'pav'}) {
4853: my $var = $self->{'variable'};
4854: my $format = $helper->{VARS}->{$self->{'formatvar'}};
4855:
4856: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
4857: ($papersize) = split(/ /, $papersize);
4858:
4859:
4860: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
4861:
4862: # Figure out some good defaults for the print out and set them:
4863:
4864: my %size;
4865: ($size{'width'},
4866: $size{'height'},
4867: $size{'lmargin'})=
4868: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
4869:
4870: foreach my $dim ('width', 'height', 'lmargin') {
4871: my ($value, $units) = split(/ /, $size{$dim});
4872:
4873: $helper->{VARS}->{"$var.".$dim} = $value;
4874: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
4875:
4876: }
4877:
4878:
4879: # Transition to the next state
4880:
4881: $helper->changeState($self->{NEXTSTATE});
4882: }
4883:
4884: return 1;
4885: }
4886:
4887: sub postprocess {
4888: my $self = shift;
4889:
4890: my $var = $self->{'variable'};
4891: my $helper = Apache::lonhelper->getHelper();
4892: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
4893: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
4894: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
4895: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
4896: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
4897: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
4898:
4899: my $error = '';
4900:
4901: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
4902: # by an optional period, followed by digits, ending the string
4903:
4904: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
4905: $error .= "Invalid width; please type only a number.<br />\n";
4906: }
4907: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
4908: $error .= "Invalid height; please type only a number.<br />\n";
4909: }
4910: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
4911: $error .= "Invalid left margin; please type only a number.<br />\n";
4912: } else {
4913: # Adjust for LaTeX 1.0 inch margin:
4914:
4915: if ($env{"form.${var}.lmarginunit"} eq "in") {
4916: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
4917: } else {
4918: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
4919: }
4920: }
4921:
4922: if (!$error) {
4923: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
4924: return 1;
4925: } else {
4926: $self->{ERROR_MSG} = $error;
4927: return 0;
4928: }
4929: }
4930:
4931:
4932:
4933: __END__
4934:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonprintout.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface