1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.619 2012/06/11 11:07:33 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 POSIX;
31: use Apache::Constants qw(:common :http);
32: use Apache::lonxml;
33: use Apache::lonnet;
34: use Apache::loncommon;
35: use Apache::inputtags;
36: use Apache::grades;
37: use Apache::edit;
38: use Apache::File();
39: use Apache::lonnavmaps;
40: use Apache::admannotations;
41: use Apache::lonenc;
42: use Apache::entities;
43: use Apache::londefdef;
44: # use Apache::structurelags; # for language management.
45:
46: use File::Basename;
47:
48: use HTTP::Response;
49: use LONCAPA::map();
50: use POSIX qw(ctime);
51: use Apache::lonlocal;
52: use Carp;
53: use LONCAPA;
54:
55:
56: my %perm;
57: my %parmhash;
58: my $resources_printed;
59:
60: # Global variables that describe errors in ssi calls detected by ssi_with_retries.
61: #
62:
63: my $ssi_error; # True if there was an ssi error.
64: my $ssi_last_error_resource; # The resource URI that could not be fetched.
65: my $ssi_last_error; # The error text from the server. (e.g. 500 Server timed out).
66:
67: #
68: # Our ssi max retry count.
69: #
70:
71: my $ssi_retry_count = 5; # Some arbitrary value.
72:
73:
74: # Font size:
75:
76: my $font_size = 'normalsize'; # Default is normalsize...
77:
78: #---------------------------- Helper helpers. -------------------------
79:
80: ##
81: # Filter function to determine if a resource is a printable sequence.
82: #
83: # @param $res -Resource to check.
84: #
85: # @return 1 - printable and a resource
86: # 0 - either notm a sequence or not printable.
87: #
88: sub printable_sequence {
89: my $res = shift;
90:
91: # Non-sequences are not listed:
92:
93: if (!$res->is_sequence()) {
94: return 0;
95: }
96:
97: # Person with pav or pfo can always print:
98:
99: if ($perm{'pav'} || $perm{'pfo'}) {
100: return 1;
101: }
102:
103: if ($res->is_sequence()) {
104: my $symb = $res->symb();
105: my $navmap = $res->{NAV_MAP};
106:
107: # Find the first resource in the map:
108:
109: my $iterator = $navmap->getIterator($res, undef, undef, 1, 1);
110: my $first = $iterator->next();
111:
112: while (1) {
113: if ($first == $iterator->END_ITERATOR) { last; }
114: if (ref($first) && ! $first->is_sequence()) {last; }
115: $first = $iterator->next();
116: }
117:
118:
119: # Might be an empty map:
120:
121: if (!ref($first)) {
122: return 0;
123: }
124: my $partsref = $first->parts();
125: my @parts = @$partsref;
126: my ($open, $close) = $navmap->map_printdates($first, $parts[0]);
127: return &printable($open, $close);
128: }
129: return 0;
130: }
131:
132: # BZ5209:
133: # Create the states needed to run the helper for incomplete problems from
134: # the current folder for selected students.
135: # This includes:
136: # - A resource selector limited to problems (incompleteness must be
137: # calculated on a student per student basis.
138: # - A student selector.
139: # - Tie in to the FORMAT of the print job.
140: #
141: # States:
142: # CHOOSE_INCOMPLETE_PEOPLE_SEQ - Resource selection.
143: # CHOOSE_STUDENTS_INCOMPLETE - Student selection.
144: # CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection
145: # Parameters:
146: # helper - the helper which already contains info about the current folder we can
147: # purloin.
148: # url - Top url of the sequence
149: # Return:
150: # XML that can be parsed by the helper to drive the state machine.
151: #
152: sub create_incomplete_folder_selstud_helper($helper)
153: {
154: my ($helper, $map) = @_;
155:
156:
157: my $symbFilter = '$res->shown_symb()';
158: my $selFilter = '$res->is_problem()';
159:
160:
161: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ',
162: 'Select problem(s) to print',
163: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
164: 'RESOURCES',
165: 'CHOOSE_STUDENTS_INCOMPLETE',
166: $map,
167: $selFilter,
168: '',
169: $symbFilter,
170: '');
171:
172: my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE',
173: 'student_sort',
174: 'STUDENTS',
175: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT');
176:
177: my $format_chooser = &generate_format_selector($helper,
178: 'Format of the print job',
179: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
180:
181: return $resource_chooser . $student_chooser . $format_chooser;
182: }
183:
184:
185: # BZ 5209
186: # Create the states needed to run the helper for incomplete problems from
187: # the current folder for selected students.
188: # This includes:
189: # - A resource selector limited to problems. (incompleteness must be calculated
190: # on a student per student basis.
191: # - A student selector.
192: # - Tie in to format for the print job.
193: # States:
194: # INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector.
195: # INCOMPLETE_PROBLEMS_COURSE_STUDENTS - Student selector.
196: # INCOMPLETE_PROBLEMS_COURSE_FORMAT - Format selection.
197: #
198: # Parameters:
199: # helper - Helper we are creating states for.
200: # Returns:
201: # Text that can be parsed by the helper.
202: #
203:
204: sub create_incomplete_course_helper {
205: my $helper = shift;
206:
207: my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
208: my $symbfilter = '$res->shown_symb()';
209:
210: my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES',
211: 'Select problem(s) to print',
212: 'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1"',
213: 'RESOURCES',
214: 'INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
215: '',
216: $filter,
217: '',
218: $symbfilter,
219: '');
220:
221: my $people_chooser = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
222: 'student_sort',
223: 'STUDENTS',
224: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT');
225:
226: my $format = &generate_format_selector($helper,
227: 'Format of the print job',
228: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
229:
230: return $resource_chooser . $people_chooser . $format;
231:
232:
233: }
234:
235: # BZ5209
236: # Creates the states needed to run the print helper for a student
237: # that wants to print his incomplete problems from the current folder.
238: # Parameters:
239: # $helper - helper we are generating states for.
240: # $map - The map for which the student wants incomplete problems.
241: # Returns:
242: # XML that defines the helper states being created.
243: #
244: # States:
245: # CHOOSE_INCOMPLETE_SEQ - Resource selector.
246: #
247: sub create_incomplete_folder_helper {
248: my ($helper, $map) = @_;
249:
250: my $filter = '$res->is_problem()';
251: $filter .= ' && $res->resprintable() ';
252: $filter .= ' && $res->is_incomplete() ';
253:
254: my $symfilter = '$res->shown_symb()';
255:
256: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ',
257: 'Select problem(s) to print',
258: 'multichoice="1", toponly ="1", addstatus="1", closeallpages="1"',
259: 'RESOURCES',
260: 'PAGESIZE',
261: $map,
262: $filter, '',
263: $symfilter,
264: '');
265:
266: return $resource_chooser;
267: }
268:
269:
270: # Returns the text neded for a student chooser.
271: # that text must still be parsed by the helper xml parser.
272: # Parameters:
273: # this_state - State name of the chooser.
274: # sort_choice - variable to hold the sorting choice.
275: # variable - Name of variable to hold students.
276: # next_state - State after chooser.
277:
278:
279: sub generate_student_chooser {
280: my ($this_state,
281: $sort_choice,
282: $variable,
283: $next_state) = @_;
284: my $result = <<CHOOSE_STUDENTS;
285: <state name="$this_state" title="Select Students and Resources">
286: <message><b>Select sorting order of printout</b> </message>
287:
288: <choices variable="$sort_choice">
289: <choice computer='0'>Sort by section then student</choice>
290: <choice computer='1'>Sort by students across sections.</choice>
291: </choices>
292:
293: <message><br /><hr /><br /> </message>
294: <student multichoice='1'
295: variable="$variable"
296: nextstate="$next_state"
297: coursepersonnel="1" />
298: </state>
299:
300: CHOOSE_STUDENTS
301:
302: return $result;
303: }
304:
305: # Generate the text needed for a resource chooser given the top level of
306: # the sequence/page
307: #
308: # Parameters:
309: # this_state - State name of the chooser.
310: # prompt_text - Text to use to prompt user.
311: # resource_options - Resource tag options e.g.
312: # "multichoice='1', toponly='1', addstatus='1'"
313: # that control the selection and appearance of the
314: # resource selector.
315: # variable - Name of the variable to hold the choice
316: # next_state - Name of the next state the helper should transition
317: # to
318: # top_url - Top level URL within which to make the selector.
319: # If empty the top level sequence is shown.
320: # filter - How to filter the resources.
321: # value_func - <valuefunc> function.
322: # choice_func - If not empty generates a <choicefunc> with this function.
323: # start_new_option
324: # - Fragment appended after valuefunc.
325: #
326: #
327: sub generate_resource_chooser {
328: my ($this_state,
329: $prompt_text,
330: $resource_options,
331: $variable,
332: $next_state,
333: $top_url,
334: $filter,
335: $choice_func,
336: $value_func,
337: $start_new_option) = @_;
338:
339: my $result = <<CHOOSE_RESOURCES;
340: <state name="$this_state" title="$prompt_text">
341: <resource variable="$variable" $resource_options
342: closeallpages="1">
343: <nextstate>$next_state</nextstate>
344: <filterfunc>return $filter;</filterfunc>
345: CHOOSE_RESOURCES
346: if ($choice_func ne '') {
347: $result .= "<choicefunc>return $choice_func;</choicefunc>";
348: }
349: if ($top_url ne '') {
350: $result .= "<mapurl>$top_url</mapurl>";
351: }
352: $result .= <<CHOOSE_RESOURCES;
353: <valuefunc>return $value_func;</valuefunc>
354: $start_new_option
355: </resource>
356: </state>
357: CHOOSE_RESOURCES
358: return $result;
359: }
360: #
361: # Generate the helper XML for a code choice helper dialog:
362: #
363: # Paramters:
364: # $helper - Reference to the helper.
365: # $state - Name of the state for the chooser.
366: # $next_state - Name fo the state to follow the chooser.
367: # $bubble_types - Populates the bubble sheet type dropt down.
368: # $code_selections - Provides set of code choices that have been used
369: # $saved_codes - Provides the list of saved codes.
370: #
371: # Returns;
372: # The Xml of the code chooser.
373: #
374: sub generate_code_selector {
375: my ($helper,
376: $state,
377: $next_state,
378: $bubble_types,
379: $code_selections,
380: $saved_codes) = @_; # Unpack the parameters.
381:
382: my $result = <<CHOOSE_ANON1;
383: <state name="$state" title="Specify CODEd Assignments">
384: <nextstate>$next_state</nextstate>
385: <message><h4>Fill out one of the forms below</h4></message>
386: <message><br /><hr /> <br /></message>
387: <message><h3>Generate new CODEd Assignments</h3></message>
388: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
389: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
390: <validator>
391: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
392: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
393: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
394: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
395:
396: return "You need to specify the number of assignments to print";
397: }
398: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
399: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
400: return 'Specifying number of codes to print and a specific code is not compatible';
401: }
402: return undef;
403: </validator>
404: </string>
405: <message></td></tr><tr><td></message>
406: <message><b>Names to save the CODEs under for later:</b></message>
407: <message></td><td></message>
408: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
409: <message></td></tr><tr><td></message>
410: <message><b>Bubblesheet type:</b></message>
411: <message></td><td></message>
412: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
413: $bubble_types
414: </dropdown>
415: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
416: <message></td></tr><tr><td></table></message>
417: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
418: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
419: <string variable="SINGLE_CODE" size="10">
420: <validator>
421: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
422: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
423: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
424: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
425: \$helper->{'VARS'}{'CODE_OPTION'});
426: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
427: return 'Specifying a code name is incompatible with specifying number of codes.';
428: } else {
429: return undef; # Other forces control us.
430: }
431: </validator>
432: </string>
433: <message></td></tr><tr><td></message>
434: $code_selections
435: <message></td></tr></table></message>
436: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
437: <message><b>Select saved CODEs:</b></message>
438: <message></td><td></message>
439: <dropdown variable="REUSE_OLD_CODES">
440: $saved_codes
441: </dropdown>
442: <message></td></tr></table></message>
443: </state>
444: CHOOSE_ANON1
445:
446: return $result;
447: }
448:
449: # Returns the XML for choosing how assignments are to be formatted
450: # that text must still be parsed by the helper xml parser.
451: # Parameters: 3 (required)
452:
453: # helper - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
454: # to check if splitting PDFs by section can be offered.
455: # title - Title for the current state.
456: # this_state - State name of the chooser.
457:
458: sub generate_format_selector {
459: my ($helper,$title,$this_state) = @_;
460: my $secpdfoption;
461: unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
462: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
463: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
464: $secpdfoption = '<choice computer="sections">Each PDF contains exactly one section</choice>';
465: }
466: return <<RESOURCE_SELECTOR;
467: <state name="$this_state" title="$title">
468: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
469: <choices variable="EMPTY_PAGES">
470: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
471: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
472: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
473: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
474: </choices>
475: <nextstate>PAGESIZE</nextstate>
476: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
477: <choices variable="SPLIT_PDFS">
478: <choice computer="all">All assignments in a single PDF file</choice>
479: $secpdfoption
480: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
481: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
482: Specify the number of assignments per PDF:</choice>
483: </choices>
484: </state>
485: RESOURCE_SELECTOR
486: }
487:
488: #-----------------------------------------------------------------------
489:
490: # Computes an open and close date from a list of open/close dates for a resource's
491: # parts.
492: #
493: # @param \@opens - reference to an array of open dates.
494: # @param \@closes - reference to an array of close dates.
495: #
496: # @return ($open, $close)
497: #
498: # @note If open/close dates are not defined they will be retunred as undef
499: # @note It is possible for there to be no overlap in which case -1,-1
500: # will be returned.
501: # @note The algorithm used is to take the latest open date and the earliest end date.
502: #
503: sub compute_open_window {
504: my ($opensref, $closesref) = @_;
505:
506: my @opens = @$opensref;
507: my @closes = @$closesref;
508:
509: # latest open date:
510: my $latest_open;
511:
512: foreach my $open (@opens) {
513: if (!defined($latest_open) || ($open > $latest_open)) {
514: $latest_open = $open;
515: }
516: }
517: # Earliest close:
518:
519: my $earliest_close;
520: foreach my $close (@closes) {
521: if (!defined($earliest_close) || ($close < $earliest_close)) {
522: $earliest_close = $close;
523: }
524: }
525:
526: # If no overlap...both are -1 as promised.
527:
528: if (defined($earliest_close) && defined($latest_open)
529: && ($earliest_close < $latest_open)) {
530: $latest_open = -1;
531: $earliest_close = -1;
532: }
533:
534: return ($latest_open, $earliest_close);
535:
536: }
537:
538: ##
539: # Determines if 'now' is within the set of printable dates.
540: #
541: # @param $open_date - Starting date/timestamp.
542: # @param $close_date - Ending date/timestamp.
543: #
544: # @return 0 - Not open.
545: # @return 1 - open.
546: #
547: sub printable {
548: my ($open_date, $close_date) = @_;
549:
550:
551: my $now = time();
552:
553: # Have to do a bit of fancy footwork around undefined open/close dates:
554:
555: if ($open_date && ($open_date > $now)) {
556: return 0;
557: }
558:
559: if ($close_date && ($close_date < $now)) {
560: return 0;
561: }
562:
563: return 1;
564:
565: }
566:
567: ##
568: # Returns the innermost print start/print end dates for a resource.
569: # This is done by looking at the start/end dates for its parts and choosing
570: # the intersection of those dates.
571: #
572: # @param res - lonnvamaps::resource object that represents the resource.
573: #
574: # @return (opendate, closedate)
575: #
576: # @note If open/close dates are not defined they will be retunred as undef
577: # @note It is possible for there to be no overlap in which case -1,-1
578: # will be returned.
579: # @note The algorithm used is to take the latest open date and the earliest end date.
580: #
581:
582: sub get_print_dates {
583: my $res = shift;
584: my $partsref = $res->parts();
585: my @parts = @$partsref;
586: my $open_date;
587: my $close_date;
588: my @open_dates;
589: my @close_dates;
590:
591:
592: if (defined(@parts) && (scalar(@parts) > 0)) {
593: foreach my $part (@parts) {
594: my $partopen = $res->parmval('printstartdate', $part);
595: my $partclose = $res->parmval('printenddate', $part);
596:
597: push(@open_dates, $partopen);
598: push(@close_dates, $partclose);
599: }
600: }
601:
602: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
603:
604: if ($open_date) {
605: $open_date = POSIX::strftime('%D', localtime($open_date));
606: }
607: if ($close_date) {
608: $close_date = POSIX::strftime('%D', localtime($close_date));
609: }
610:
611: return ($open_date, $close_date);
612: }
613:
614: ##
615: # Get the dates for which a course says a resource can be printed. This is like
616: # get_print_dates but namvaps::course_print_dates are gotten...and not converted
617: # to times either.
618: #
619: # @param $res - Reference to a resource has from lonnvampas::resource.
620: #
621: # @return (opendate, closedate)
622: #
623: sub course_print_dates {
624: my $res = shift;
625: my $partsref = $res->parts();
626: my @parts = @$partsref;
627: my $open_date;
628: my $close_date;
629: my @open_dates;
630: my @close_dates;
631: my $navmap = $res->{NAV_MAP}; # Slightly OO dirty.
632:
633: # Don't bother looping over undefined or empty parts arraY;
634:
635: if (defined(@parts) && (scalar(@parts) > 0)) {
636: foreach my $part (@parts) {
637: my ($partopen, $partclose) = $navmap->course_printdates($res, $part);
638: push(@open_dates, $partopen);
639: push(@close_dates, $partclose);
640: }
641: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
642: }
643: return ($open_date, $close_date);
644: }
645: ##
646: # Same as above but for the enclosing map:
647: #
648: sub map_print_dates {
649: my $res = shift;
650: my $partsref = $res->parts();
651: my @parts = @$partsref;
652: my $open_date;
653: my $close_date;
654: my @open_dates;
655: my @close_dates;
656: my $navmap = $res->{NAV_MAP}; # slightly OO dirty.
657:
658:
659: # Don't bother looping over undefined or empty parts arraY;
660:
661: if (defined(@parts) && (scalar(@parts) > 0)) {
662: foreach my $part (@parts) {
663: my ($partopen, $partclose) = $navmap->map_printdates($res, $part);
664: push(@open_dates, $partopen);
665: push(@close_dates, $partclose);
666: }
667: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
668: }
669: return ($open_date, $close_date);
670: }
671:
672: # Determine if a resource is incomplete given the map:
673: # Parameters:
674: # $username - Name of user for whom we are checking.
675: # $domain - Domain of user we are checking.
676: # $map - map name.
677: # Returns:
678: # 0 - map is not incomplete.
679: # 1 - map is incomplete.
680: #
681: sub incomplete {
682: my ($username, $domain, $map) = @_;
683:
684:
685: my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
686:
687:
688: if (defined($navmap)) {
689: my $res = $navmap->getResourceByUrl($map);
690: my $result = $res->is_incomplete();
691: return $result;
692: } else {
693: return 1;
694: }
695: }
696: #
697: # When printing for students, the resoures and order of the
698: # resources may need to be altered if there are folders with
699: # random selectiopn or random ordering (or both) enabled.
700: # This sub computes the set of resources to print for a student
701: # modified both by random ordering and selection and filtered
702: # to only those that are in the original set selcted to be printed.
703: #
704: # Parameters:
705: # $helper - The helper we need $helper->{'VARS'}->{'symb'}
706: # to construct the navmap and the iteration.
707: # $seq - The original set of resources to print
708: # (really an array of resource names (array of symb's).
709: # $who - Student/domain for whome the sequence will be generated.
710: #
711: # Implicit inputs:
712: # $
713: # Returns:
714: # reference to an array of resources that can be passed to
715: # print_resources.
716: #
717: sub master_seq_to_person_seq {
718: my ($helper, $seq, $who) = @_;
719:
720:
721: my ($username, $userdomain, $usersection) = split(/:/, $who);
722:
723:
724: # Toss the sequence up into a hash so that we have O(1) lookup time.
725: # on the items that come out of the user's list of resources.
726: #
727:
728: my %seq_hash = map {$_ => 1} @$seq;
729: my @output_seq;
730:
731: my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
732: my $navmap = Apache::lonnavmaps::navmap->new($username, $userdomain);
733: my $iterator = $navmap->getIterator($navmap->firstResource(),
734: $navmap->finishResource(),
735: {}, 1);
736: my %nonResourceItems = (
737: $iterator->BEGIN_MAP => 1,
738: $iterator->BEGIN_BRANCH => 1,
739: $iterator->END_BRANCH => 1,
740: $iterator->END_MAP => 1,
741: $iterator->FORWARD => 1,
742: $iterator->BACKWARD => 1
743:
744: ); # These items are not resources but appear in the midst of iteration.
745:
746: # Iterate on the resource..select the items that are randomly selected
747: # and that are in the seq_has. Presumably the iterator will take care
748: # of the random ordering part of the deal.
749: #
750: my $curres;
751: while ($curres = $iterator->next()) {
752: #
753: # Only process resources..that are not removed by randomout...
754: # and are selected for printint as well.
755: #
756:
757: if (! exists $nonResourceItems{$curres} && ! $curres->randomout()) {
758: my $symb = $curres->symb();
759: if (exists $seq_hash{$symb}) {
760: push(@output_seq, $symb);
761: }
762: }
763: }
764:
765:
766: return \@output_seq; # for now.
767:
768: }
769:
770:
771: # Fetch the contents of a resource, uninterpreted.
772: # This is used here to fetch a latex file to be included
773: # verbatim into the printout<
774: # NOTE: Ask Guy if there is a lonnet function similar to this?
775: #
776: # Parameters:
777: # URL of the file
778: #
779: sub fetch_raw_resource {
780: my ($url) = @_;
781:
782: my $filename = &Apache::lonnet::filelocation("", $url);
783: my $contents = &Apache::lonnet::getfile($filename);
784:
785: if ($contents == -1) {
786: return "File open failed for $filename"; # This will bomb the print.
787: }
788: return $contents;
789:
790:
791: }
792:
793: # Fetch the annotations associated with a URL and
794: # put a centered 'annotations:' title.
795: # This is all suppressed if the annotations are empty.
796: #
797: sub annotate {
798: my ($symb) = @_;
799:
800: my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
801:
802:
803: my $result = "";
804:
805: if (length($annotation_text) > 0) {
806: $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
807: $result .= "\n";
808: $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex.
809: $result .= "\n\n";
810: }
811: return $result;
812: }
813:
814: #
815: # Set a global document font size:
816: # This is done by replacing \begin{document}
817: # with \begin{document}{\some-font-directive
818: # and \end{document} with
819: # }\end{document
820: #
821: sub set_font_size {
822:
823: my ($text) = @_;
824:
825: # There appear to be cases where the font directive is empty.. in which
826: # case the first substituion would insert a spurious \ oh happy day.
827: # as this has been the cause of much mystery and hair pulling _sigh_
828:
829: if ($font_size ne '') {
830:
831: $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
832: }
833: $text =~ s/\\end{document}/}\\end{document}/;
834: return $text;
835:
836:
837: }
838:
839: # include_pdf - PDF files are included into the
840: # output as follows:
841: # - The PDF, if necessary, is replicated.
842: # - The PDF is added to the list of files to convert to postscript (along with the images).
843: # - The LaTeX is added to include the final converted postscript in the file as an included
844: # job. The assumption is that the includedpsheader.ps header will be included.
845: #
846: # Parameters:
847: # pdf_uri - URI of the PDF file to include.
848: #
849: # Returns:
850: # The LaTeX to include.
851: #
852: # Assumptions:
853: # The uri is actually a PDF file
854: # The postscript will have the includepsheader.ps included.
855: #
856: #
857: sub include_pdf {
858: my ($pdf_uri) = @_;
859:
860: # Where is the file? If not local we'll need to repcopy it:'
861:
862: my $file = &Apache::lonnet::filelocation('', $pdf_uri);
863: if (! -e $file) {
864: &Apache::lonnet::repcopy($file);
865: $file = &Apache::lonnet::filelocation('',$pdf_uri);
866: }
867:
868: # The file isn ow replicated locally.. or it did not exist in the first place
869: # (unlikely). If it did exist, add the pdf to the set of files/images that
870: # need tob e converted for this print job:
871:
872: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
873: $file =~ s{(.*)/res/}{$londocroot/res/};
874:
875: open(FILE,">>$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat");
876: print FILE ("$file\n");
877: close (FILE);
878:
879: # Construct the special to put out. To do this we need to get the
880: # resulting filename after conversion. The file will have the same name
881: # but will be in the user's spool directory with converted images.
882:
883: my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
884: my ( $base, $path, $ext) = &fileparse($file, '.pdf');
885: # my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
886: $base =~ s/ /\_/g;
887:
888:
889: my $output = &print_latex_header();
890: $output .= '\special{ps: _begin_job_ ('
891: .$base.'.pdf.eps'.
892: ')run _end_job_}';
893:
894: return $output;
895:
896:
897: }
898: ##
899: # Collect the various \select_language{language_name}
900: # latex tags to build a \usepackage[lang-list]{babel} which will
901: # appear just prior to the \begin{document} at the front of the concatenated
902: # set of resources:
903: # @param doc - The string of latex to search/replace.
904: # @return string
905: # @retval - the modified document stringt.
906: #
907: sub collect_languages {
908: my $doc = shift;
909: my %languages;
910: while ($doc =~ /\\selectlanguage{(\w+)}/mg) {
911: $languages{$1} = 1; # allows us to request each language exactly once.
912: }
913: my @lang_list = (keys(%languages)); # List of unique languages
914: if (scalar @lang_list) {
915: my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n";
916: $doc =~ s/\\begin{document}/$babel_header\\begin{document}/;
917: }
918: return $doc;
919: }
920: #-------------------------------------------------------------------
921:
922: #
923: # ssi_with_retries- Does the server side include of a resource.
924: # if the ssi call returns an error we'll retry it up to
925: # the number of times requested by the caller.
926: # If we still have a proble, no text is appended to the
927: # output and we set some global variables.
928: # to indicate to the caller an SSI error occurred.
929: # All of this is supposed to deal with the issues described
930: # in LonCAPA BZ 5631 see:
931: # http://bugs.lon-capa.org/show_bug.cgi?id=5631
932: # by informing the user that this happened.
933: #
934: # Parameters:
935: # resource - The resource to include. This is passed directly, without
936: # interpretation to lonnet::ssi.
937: # form - The form hash parameters that guide the interpretation of the resource
938: #
939: # retries - Number of retries allowed before giving up completely.
940: # Returns:
941: # On success, returns the rendered resource identified by the resource parameter.
942: # Side Effects:
943: # The following global variables can be set:
944: # ssi_error - If an unrecoverable error occurred this becomes true.
945: # It is up to the caller to initialize this to false
946: # if desired.
947: # ssi_last_error_resource - If an unrecoverable error occurred, this is the value
948: # of the resource that could not be rendered by the ssi
949: # call.
950: # ssi_last_error - The error string fetched from the ssi response
951: # in the event of an error.
952: #
953: sub ssi_with_retries {
954: my ($resource, $retries, %form) = @_;
955:
956: my $target = $form{'grade_target'};
957: my $aom = $form{'answer_output_mode'};
958:
959:
960:
961: my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
962: if (!$response->is_success) {
963: $ssi_error = 1;
964: $ssi_last_error_resource = $resource;
965: $ssi_last_error = $response->code . " " . $response->message;
966: $content='\section*{!!! An error occurred !!!}';
967: }
968:
969: return $content;
970:
971: }
972:
973: sub get_student_view_with_retries {
974: my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
975:
976: my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
977: if (!$response->is_success) {
978: $ssi_error = 1;
979: $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
980: $ssi_last_error = $response->code . " " . $response->message;
981: $content='\section*{!!! An error occurred !!!}';
982: }
983: return $content;
984:
985: }
986:
987: #
988: # printf_style_subst item format_string repl
989: #
990: # Does printf style substitution for a format string that
991: # can have %[n]item in it.. wherever, %[n]item occurs,
992: # rep is substituted in format_string. Note that
993: # [n] is an optional integer length. If provided,
994: # repl is truncated to at most [n] characters prior to
995: # substitution.
996: #
997: sub printf_style_subst {
998: my ($item, $format_string, $repl) = @_;
999: my $result = "";
1000: while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1001: my $fmt = $1;
1002: my $size = $2;
1003: my $subst = $repl;
1004: if ($size ne "") {
1005: $subst = substr($subst, 0, $size);
1006:
1007: # Here's a nice edge case.. supose the end of the
1008: # substring is a \. In that case may have just
1009: # chopped off a TeX escape... in that case, we append
1010: # " " for the trailing character, and let the field
1011: # spill over a bit (sigh).
1012: # We don't just chop off the last character in order to deal
1013: # with one last pathology, and that would be if substr had
1014: # trimmed us to e.g. \\\
1015:
1016:
1017: if ($subst =~ /\\$/) {
1018: $subst .= " ";
1019: }
1020: }
1021: my $item_pos = pos($format_string);
1022: $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
1023: $format_string = substr($format_string, pos($format_string));
1024: }
1025:
1026: # Put the residual format string into the result:
1027:
1028: $result .= $format_string;
1029:
1030: return $result;
1031: }
1032:
1033:
1034: # Format a header according to a format.
1035: #
1036:
1037: # Substitutions:
1038: # %a - Assignment name.
1039: # %c - Course name.
1040: # %n - Student name.
1041: # %s - The section if it is supplied.
1042: #
1043: sub format_page_header {
1044: my ($width, $format, $assignment, $course, $student, $section) = @_;
1045:
1046:
1047:
1048: $width = &recalcto_mm($width); # Get width in mm.
1049: my $chars_per_line = int($width/1.6); # Character/textline.
1050:
1051: # Default format?
1052:
1053: if ($format eq '') {
1054: # For the default format, we may need to truncate
1055: # elements.. To do this we need to get the page width.
1056: # we assume that each character is about 2mm in width.
1057: # (correct for the header text size??). We ignore
1058: # any formatting (e.g. boldfacing in this).
1059: #
1060: # - Allow the student/course to be one line.
1061: # but only truncate the course.
1062: # - Allow the assignment to be 2 lines (wrapped).
1063: #
1064:
1065:
1066:
1067: my $name_length = int($chars_per_line *3 /4);
1068: my $sec_length = int($chars_per_line / 5);
1069:
1070: $format = "%$name_length".'n';
1071:
1072: if ($section) {
1073: $format .= ' - Sec: '."%$sec_length".'s';
1074: }
1075:
1076: $format .= '\\\\%c \\\\ %a';
1077:
1078:
1079: }
1080: # An open question is how to handle long user formatted page headers...
1081: # A possible future is to support e.g. %na so that the user can control
1082: # the truncation of the elements that can appear in the header.
1083: #
1084: $format = &printf_style_subst("a", $format, $assignment);
1085: $format = &printf_style_subst("c", $format, $course);
1086: $format = &printf_style_subst("n", $format, $student);
1087: $format = &printf_style_subst("s", $format, $section);
1088:
1089:
1090: # If the user put %'s in the format string, they must be escaped
1091: # to \% else LaTeX will think they are comments and terminate
1092: # the line.. which is bad!!!
1093:
1094: # If the user has role author, $course and $assignment are empty so
1095: # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
1096: if($format =~ /\\\\\s\\\\\s/) {
1097: #TODO find sensible caption for page header
1098: my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
1099: $format =~ s/\\\\\s\\\\\s/$testPrintout/;
1100: }
1101: #
1102: # We're going to trust LaTeX to break lines appropriately, but
1103: # we'll truncate anything that's more than 3 lines worth of
1104: # text. This is also assuming (which will probably end badly)
1105: # nobody's going to embed LaTeX control sequences in the title
1106: # header or rather that those control sequences won't get broken
1107: # by the stuff below.
1108: #
1109: my $total_length = 3*$chars_per_line;
1110: if (length($format) > $total_length) {
1111: $format = substr($format, 0, $total_length);
1112: }
1113:
1114:
1115: return $format;
1116:
1117: }
1118:
1119: #
1120: # Convert a numeric code to letters
1121: #
1122: sub num_to_letters {
1123: my ($num) = @_;
1124: my @nums= split('',$num);
1125: my @num_to_let=('A'..'Z');
1126: my $word;
1127: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1128: return $word;
1129: }
1130: # Convert a letter code to numeric.
1131: #
1132: sub letters_to_num {
1133: my ($letters) = @_;
1134: my @letters = split('', uc($letters));
1135: my %substitution;
1136: my $digit = 0;
1137: foreach my $letter ('A'..'J') {
1138: $substitution{$letter} = $digit;
1139: $digit++;
1140: }
1141: # The substitution is done as below to preserve leading
1142: # zeroes which are needed to keep the code size exact
1143: #
1144: my $result ="";
1145: foreach my $letter (@letters) {
1146: $result.=$substitution{$letter};
1147: }
1148: return $result;
1149: }
1150:
1151: # Determine if a code is a valid numeric code. Valid
1152: # numeric codes must be comprised entirely of digits and
1153: # have a correct number of digits.
1154: #
1155: # Parameters:
1156: # value - proposed code value.
1157: # num_digits - Number of digits required.
1158: #
1159: sub is_valid_numeric_code {
1160: my ($value, $num_digits) = @_;
1161: # Remove leading/trailing whitespace;
1162: $value =~ s/^\s*//g;
1163: $value =~ s/\s*$//g;
1164:
1165: # All digits?
1166: if ($value !~ /^[0-9]+$/) {
1167: return "Numeric code $value has invalid characters - must only be digits";
1168: }
1169: if (length($value) != $num_digits) {
1170: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
1171: }
1172: return undef;
1173: }
1174: # Determines if a code is a valid alhpa code. Alpha codes
1175: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
1176: # They also have a correct digit count.
1177: # Parameters:
1178: # value - Proposed code value.
1179: # num_letters - correct number of letters.
1180: # Note:
1181: # leading and trailing whitespace are ignored.
1182: #
1183: sub is_valid_alpha_code {
1184: my ($value, $num_letters) = @_;
1185:
1186: # strip leading and trailing spaces.
1187:
1188: $value =~ s/^\s*//g;
1189: $value =~ s/\s*$//g;
1190:
1191: # All alphas in the right range?
1192: if ($value !~ /^[A-J,a-j]+$/) {
1193: return "Invalid letter code $value must only contain A-J";
1194: }
1195: if (length($value) != $num_letters) {
1196: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
1197: }
1198: return undef;
1199: }
1200:
1201: # Determine if a code entered by the user in a helper is valid.
1202: # valid depends on the code type and the type of code selected.
1203: # The type of code selected can either be numeric or
1204: # Alphabetic. If alphabetic, the code, in fact is a simple
1205: # substitution cipher for the actual numeric code: 0->A, 1->B ...
1206: # We'll be nice and be case insensitive for alpha codes.
1207: # Parameters:
1208: # code_value - the value of the code the user typed in.
1209: # code_option - The code type selected from the set in the scantron format
1210: # table.
1211: # Returns:
1212: # undef - The code is valid.
1213: # other - An error message indicating what's wrong.
1214: #
1215: sub is_code_valid {
1216: my ($code_value, $code_option) = @_;
1217: my ($code_type, $code_length) = ('letter', 6); # defaults.
1218: my @lines = &Apache::grades::get_scantronformat_file();
1219: foreach my $line (@lines) {
1220: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
1221: if($name eq $code_option) {
1222: $code_length = $length;
1223: if($type eq 'number') {
1224: $code_type = 'number';
1225: }
1226: }
1227: }
1228: my $valid;
1229: if ($code_type eq 'number') {
1230: return &is_valid_numeric_code($code_value, $code_length);
1231: } else {
1232: return &is_valid_alpha_code($code_value, $code_length);
1233: }
1234:
1235: }
1236: #
1237: # Compare two students by section (Used to sort by section).
1238: #
1239: # Implicit inputs,
1240: # $a - The first one
1241: # $b - The second one.
1242: #
1243: # Returns:
1244: # a-section cmp b-section
1245: #
1246: sub compare_sections {
1247: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1248: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1249:
1250: return $s1 cmp $s2;
1251: }
1252:
1253: # Compare two students by name. The students are in the form
1254: # returned by the helper:
1255: # user:domain:section:last, first:status
1256: # This is a helper function for the perl sort built-in therefore:
1257: # Implicit Inputs:
1258: # $a - The first element to compare (global)
1259: # $b - The second element to compare (global)
1260: # Returns:
1261: # -1 - $a < $b
1262: # 0 - $a == $b
1263: # +1 - $a > $b
1264: # Note that the initial comparison is done on the last names with the
1265: # first names only used to break the tie.
1266: #
1267: #
1268: sub compare_names {
1269: # First split the names up into the primary fields.
1270:
1271: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1272: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1273:
1274: # Now split the last name and first name of each n:
1275: #
1276:
1277: my ($l1,$f1) = split(/,/, $n1);
1278: my ($l2,$f2) = split(/,/, $n2);
1279:
1280: # We don't bother to remove the leading/trailing whitespace from the
1281: # firstname, unless the last names compare identical.
1282:
1283: if($l1 lt $l2) {
1284: return -1;
1285: }
1286: if($l1 gt $l2) {
1287: return 1;
1288: }
1289:
1290: # Break the tie on the first name, but there are leading (possibly trailing
1291: # whitespaces to get rid of first
1292: #
1293: $f1 =~ s/^\s+//; # Remove leading...
1294: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
1295:
1296: $f2 =~ s/^\s+//;
1297: $f2 =~ s/\s+$//; # And the same for first 2...
1298:
1299: if($f1 lt $f2) {
1300: return -1;
1301: }
1302: if($f1 gt $f2) {
1303: return 1;
1304: }
1305:
1306: # Must be the same name.
1307:
1308: return 0;
1309: }
1310:
1311: sub latex_header_footer_remove {
1312: my $text = shift;
1313: $text =~ s/\\end{document}//;
1314: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
1315: return $text;
1316: }
1317: #
1318: # If necessary, encapsulate text inside
1319: # a minipage env.
1320: # necessity is determined by the problem_split param.
1321: #
1322: sub encapsulate_minipage {
1323: my ($text) = @_;
1324: if (!($env{'form.problem.split'} =~ /yes/i)) {
1325: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
1326: }
1327: return $text;
1328: }
1329: #
1330: # The NUMBER_TO_PRINT and SPLIT_PDFS
1331: # variables interact, this sub looks at these two parameters
1332: # and comes up with a final value for NUMBER_TO_PRINT which can be:
1333: # all - if SPLIT_PDFS eq 'all'.
1334: # 1 - if SPLIT_PDFS eq 'oneper'
1335: # section - if SPLIT_PDFS eq 'sections'
1336: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
1337: #
1338: sub adjust_number_to_print {
1339: my $helper = shift;
1340:
1341: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
1342:
1343: if ($split_pdf eq 'all') {
1344: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
1345: } elsif ($split_pdf eq 'oneper') {
1346: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
1347: } elsif ($split_pdf eq 'sections') {
1348: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
1349: } elsif ($split_pdf eq 'usenumber') {
1350: # Unmodified.
1351: } else {
1352: # Error!!!!
1353:
1354: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1355:
1356: }
1357: }
1358:
1359:
1360: sub character_chart {
1361: my $result = shift;
1362: return &Apache::entities::replace_entities($result);
1363: }
1364:
1365: sub old_character_chart {
1366: my $result = shift;
1367: $result =~ s/&\#0?0?(7|9);//g;
1368: $result =~ s/&\#0?(10|13);//g;
1369: $result =~ s/&\#0?32;/ /g;
1370: $result =~ s/&\#0?33;/!/g;
1371: $result =~ s/&(\#0?34|quot);/\"/g;
1372: $result =~ s/&\#0?35;/\\\#/g;
1373: $result =~ s/&\#0?36;/\\\$/g;
1374: $result =~ s/&\#0?37;/\\%/g;
1375: $result =~ s/&(\#0?38|amp);/\\&/g;
1376: $result =~ s/&\#(0?39|146);/\'/g;
1377: $result =~ s/&\#0?40;/(/g;
1378: $result =~ s/&\#0?41;/)/g;
1379: $result =~ s/&\#0?42;/\*/g;
1380: $result =~ s/&\#0?43;/\+/g;
1381: $result =~ s/&\#(0?44|130);/,/g;
1382: $result =~ s/&\#0?45;/-/g;
1383: $result =~ s/&\#0?46;/\./g;
1384: $result =~ s/&\#0?47;/\//g;
1385: $result =~ s/&\#0?48;/0/g;
1386: $result =~ s/&\#0?49;/1/g;
1387: $result =~ s/&\#0?50;/2/g;
1388: $result =~ s/&\#0?51;/3/g;
1389: $result =~ s/&\#0?52;/4/g;
1390: $result =~ s/&\#0?53;/5/g;
1391: $result =~ s/&\#0?54;/6/g;
1392: $result =~ s/&\#0?55;/7/g;
1393: $result =~ s/&\#0?56;/8/g;
1394: $result =~ s/&\#0?57;/9/g;
1395: $result =~ s/&\#0?58;/:/g;
1396: $result =~ s/&\#0?59;/;/g;
1397: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1398: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
1399: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1400: $result =~ s/&\#0?63;/\?/g;
1401: $result =~ s/&\#0?65;/A/g;
1402: $result =~ s/&\#0?66;/B/g;
1403: $result =~ s/&\#0?67;/C/g;
1404: $result =~ s/&\#0?68;/D/g;
1405: $result =~ s/&\#0?69;/E/g;
1406: $result =~ s/&\#0?70;/F/g;
1407: $result =~ s/&\#0?71;/G/g;
1408: $result =~ s/&\#0?72;/H/g;
1409: $result =~ s/&\#0?73;/I/g;
1410: $result =~ s/&\#0?74;/J/g;
1411: $result =~ s/&\#0?75;/K/g;
1412: $result =~ s/&\#0?76;/L/g;
1413: $result =~ s/&\#0?77;/M/g;
1414: $result =~ s/&\#0?78;/N/g;
1415: $result =~ s/&\#0?79;/O/g;
1416: $result =~ s/&\#0?80;/P/g;
1417: $result =~ s/&\#0?81;/Q/g;
1418: $result =~ s/&\#0?82;/R/g;
1419: $result =~ s/&\#0?83;/S/g;
1420: $result =~ s/&\#0?84;/T/g;
1421: $result =~ s/&\#0?85;/U/g;
1422: $result =~ s/&\#0?86;/V/g;
1423: $result =~ s/&\#0?87;/W/g;
1424: $result =~ s/&\#0?88;/X/g;
1425: $result =~ s/&\#0?89;/Y/g;
1426: $result =~ s/&\#0?90;/Z/g;
1427: $result =~ s/&\#0?91;/[/g;
1428: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1429: $result =~ s/&\#0?93;/]/g;
1430: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1431: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
1432: $result =~ s/&\#(0?96|145);/\`/g;
1433: $result =~ s/&\#0?97;/a/g;
1434: $result =~ s/&\#0?98;/b/g;
1435: $result =~ s/&\#0?99;/c/g;
1436: $result =~ s/&\#100;/d/g;
1437: $result =~ s/&\#101;/e/g;
1438: $result =~ s/&\#102;/f/g;
1439: $result =~ s/&\#103;/g/g;
1440: $result =~ s/&\#104;/h/g;
1441: $result =~ s/&\#105;/i/g;
1442: $result =~ s/&\#106;/j/g;
1443: $result =~ s/&\#107;/k/g;
1444: $result =~ s/&\#108;/l/g;
1445: $result =~ s/&\#109;/m/g;
1446: $result =~ s/&\#110;/n/g;
1447: $result =~ s/&\#111;/o/g;
1448: $result =~ s/&\#112;/p/g;
1449: $result =~ s/&\#113;/q/g;
1450: $result =~ s/&\#114;/r/g;
1451: $result =~ s/&\#115;/s/g;
1452: $result =~ s/&\#116;/t/g;
1453: $result =~ s/&\#117;/u/g;
1454: $result =~ s/&\#118;/v/g;
1455: $result =~ s/&\#119;/w/g;
1456: $result =~ s/&\#120;/x/g;
1457: $result =~ s/&\#121;/y/g;
1458: $result =~ s/&\#122;/z/g;
1459: $result =~ s/&\#123;/\\{/g;
1460: $result =~ s/&\#124;/\|/g;
1461: $result =~ s/&\#125;/\\}/g;
1462: $result =~ s/&\#126;/\~/g;
1463: $result =~ s/&\#131;/\\textflorin /g;
1464: $result =~ s/&\#132;/\"/g;
1465: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
1466: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
1467: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1468: $result =~ s/&\#137;/\\textperthousand /g;
1469: $result =~ s/&\#140;/{\\OE}/g;
1470: $result =~ s/&\#147;/\`\`/g;
1471: $result =~ s/&\#148;/\'\'/g;
1472: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1473: $result =~ s/&(\#150|\#8211);/--/g;
1474: $result =~ s/&\#151;/---/g;
1475: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1476: $result =~ s/&\#153;/\\texttrademark /g;
1477: $result =~ s/&\#156;/\\oe/g;
1478: $result =~ s/&\#159;/\\\"Y/g;
1479: $result =~ s/&(\#160|nbsp);/~/g;
1480: $result =~ s/&(\#161|iexcl);/!\`/g;
1481: $result =~ s/&(\#162|cent);/\\textcent /g;
1482: $result =~ s/&(\#163|pound);/\\pounds /g;
1483: $result =~ s/&(\#164|curren);/\\textcurrency /g;
1484: $result =~ s/&(\#165|yen);/\\textyen /g;
1485: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
1486: $result =~ s/&(\#167|sect);/\\textsection /g;
1487: $result =~ s/&(\#168|uml);/\\"\{\} /g;
1488: $result =~ s/&(\#169|copy);/\\copyright /g;
1489: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1490: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1491: $result =~ s/&(\#173|shy);/ - /g;
1492: $result =~ s/&(\#174|reg);/\\textregistered /g;
1493: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
1494: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
1495: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
1496: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
1497: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1498: $result =~ s/&(\#180|acute);/\\'\{\} /g;
1499: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1500: $result =~ s/&(\#182|para);/\\P/g;
1501: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1502: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1503: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1504: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
1505: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
1506: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
1507: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
1508: $result =~ s/&(\#191|iquest);/?\`/g;
1509: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
1510: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
1511: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
1512: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
1513: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
1514: $result =~ s/&(\#197|Aring);/{\\AA}/g;
1515: $result =~ s/&(\#198|AElig);/{\\AE}/g;
1516: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
1517: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
1518: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
1519: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
1520: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
1521: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
1522: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
1523: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
1524: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
1525: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
1526: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
1527: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
1528: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
1529: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
1530: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
1531: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1532: $result =~ s/&(\#216|Oslash);/{\\O}/g;
1533: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
1534: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
1535: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
1536: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
1537: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1538: $result =~ s/&(\#223|szlig);/{\\ss}/g;
1539: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
1540: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
1541: $result =~ s/&(\#226|acirc);/\\^{a}/g;
1542: $result =~ s/&(\#227|atilde);/\\~{a}/g;
1543: $result =~ s/&(\#228|auml);/\\\"{a}/g;
1544: $result =~ s/&(\#229|aring);/{\\aa}/g;
1545: $result =~ s/&(\#230|aelig);/{\\ae}/g;
1546: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
1547: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
1548: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
1549: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
1550: $result =~ s/&(\#235|euml);/\\\"{e}/g;
1551: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
1552: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
1553: $result =~ s/&(\#238|icirc);/\\^{i}/g;
1554: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1555: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1556: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
1557: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
1558: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
1559: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
1560: $result =~ s/&(\#245|otilde);/\\~{o}/g;
1561: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1562: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1563: $result =~ s/&(\#248|oslash);/{\\o}/g;
1564: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
1565: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
1566: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
1567: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
1568: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
1569: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1570: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1571: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1572: #Greek Alphabet
1573: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
1574: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
1575: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
1576: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
1577: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
1578: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
1579: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
1580: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
1581: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
1582: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
1583: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
1584: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
1585: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
1586: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1587: $result =~ s/&(omicron|\#959);/o/g;
1588: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
1589: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
1590: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
1591: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
1592: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
1593: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
1594: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
1595: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
1596: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
1597: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
1598: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1599: $result =~ s/&(Alpha|\#913);/A/g;
1600: $result =~ s/&(Beta|\#914);/B/g;
1601: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
1602: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1603: $result =~ s/&(Epsilon|\#917);/E/g;
1604: $result =~ s/&(Zeta|\#918);/Z/g;
1605: $result =~ s/&(Eta|\#919);/H/g;
1606: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1607: $result =~ s/&(Iota|\#921);/I/g;
1608: $result =~ s/&(Kappa|\#922);/K/g;
1609: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1610: $result =~ s/&(Mu|\#924);/M/g;
1611: $result =~ s/&(Nu|\#925);/N/g;
1612: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1613: $result =~ s/&(Omicron|\#927);/O/g;
1614: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1615: $result =~ s/&(Rho|\#929);/P/g;
1616: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1617: $result =~ s/&(Tau|\#932);/T/g;
1618: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
1619: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1620: $result =~ s/&(Chi|\#935);/X/g;
1621: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
1622: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1623: #Arrows (extended HTML 4.01)
1624: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
1625: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
1626: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
1627: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
1628: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
1629: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
1630: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
1631: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
1632: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
1633: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1634: #Mathematical Operators (extended HTML 4.01)
1635: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
1636: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
1637: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
1638: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
1639: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
1640: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
1641: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
1642: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
1643: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
1644: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
1645: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1646: $result =~ s/–/\\ensuremath\{-\}/g;
1647: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
1648: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
1649: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
1650: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
1651: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
1652: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
1653: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
1654: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
1655: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
1656: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
1657: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
1658: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
1659: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
1660: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
1661: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
1662: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
1663: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
1664: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
1665: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
1666: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
1667: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
1668: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
1669: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
1670: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
1671: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
1672: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1673: #Geometric Shapes (extended HTML 4.01)
1674: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1675: #Miscellaneous Symbols (extended HTML 4.01)
1676: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
1677: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
1678: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
1679: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1680: # Chemically useful 'things' contributed by Hon Kie (bug 4652).
1681:
1682: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
1683: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
1684: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
1685: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
1686: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
1687: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
1688: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
1689: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
1690: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
1691: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
1692: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
1693: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
1694: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1695:
1696: # Left/right quotations:
1697:
1698: $result =~ s/&(ldquo|#8220);/\`\`/g;
1699: $result =~ s/&(rdquo|#8221);/\'\'/g;
1700:
1701:
1702:
1703: return $result;
1704: }
1705:
1706:
1707: #width, height, oddsidemargin, evensidemargin, topmargin
1708: my %page_formats=
1709: ('letter' => {
1710: 'book' => {
1711: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
1712: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1713: },
1714: 'album' => {
1715: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'],
1716: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1717: },
1718: },
1719: 'legal' => {
1720: 'book' => {
1721: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1722: '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1723: },
1724: 'album' => {
1725: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
1726: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1727: },
1728: },
1729: 'tabloid' => {
1730: 'book' => {
1731: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
1732: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
1733: },
1734: 'album' => {
1735: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
1736: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1737: },
1738: },
1739: 'executive' => {
1740: 'book' => {
1741: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
1742: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
1743: },
1744: 'album' => {
1745: '1' => [],
1746: '2' => []
1747: },
1748: },
1749: 'a2' => {
1750: 'book' => {
1751: '1' => [],
1752: '2' => []
1753: },
1754: 'album' => {
1755: '1' => [],
1756: '2' => []
1757: },
1758: },
1759: 'a3' => {
1760: 'book' => {
1761: '1' => [],
1762: '2' => []
1763: },
1764: 'album' => {
1765: '1' => [],
1766: '2' => []
1767: },
1768: },
1769: 'a4' => {
1770: 'book' => {
1771: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1772: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1773: },
1774: 'album' => {
1775: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1776: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1777: },
1778: },
1779: 'a5' => {
1780: 'book' => {
1781: '1' => [],
1782: '2' => []
1783: },
1784: 'album' => {
1785: '1' => [],
1786: '2' => []
1787: },
1788: },
1789: 'a6' => {
1790: 'book' => {
1791: '1' => [],
1792: '2' => []
1793: },
1794: 'album' => {
1795: '1' => [],
1796: '2' => []
1797: },
1798: },
1799: );
1800:
1801: sub page_format {
1802: #
1803: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1804: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1805: # "A2 [420x594 mm]", "A3 [297x420 mm]",
1806: # "A4 [210x297 mm]", "A5 [148x210 mm]",
1807: # "A6 [105x148 mm]"
1808: #
1809: my ($papersize,$layout,$numberofcolumns) = @_;
1810: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1811: }
1812:
1813:
1814: sub get_name {
1815: my ($uname,$udom)=@_;
1816: if (!defined($uname)) { $uname=$env{'user.name'}; }
1817: if (!defined($udom)) { $udom=$env{'user.domain'}; }
1818: my $plainname=&Apache::loncommon::plainname($uname,$udom);
1819: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1820: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1821: return $plainname;
1822: }
1823:
1824: sub get_course {
1825: my $courseidinfo;
1826: if (defined($env{'request.course.id'})) {
1827: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1828: my $sec = $env{'request.course.sec'};
1829:
1830: }
1831: return $courseidinfo;
1832: }
1833:
1834: sub page_format_transformation {
1835: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
1836: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1837:
1838: if ($selectionmade eq '4') {
1839: if ($choice eq 'all_problems') {
1840: $assignment=&mt('Problems from the Whole Course');
1841: } else {
1842: $assignment=&mt('Resources from the Whole Course');
1843: }
1844: } else {
1845: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
1846: }
1847: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1848:
1849:
1850: my $name = &get_name();
1851: my $courseidinfo = &get_course();
1852: my $header_text = $parmhash{'print_header_format'};
1853: $header_text = &format_page_header($textwidth, $header_text, $assignment,
1854: $courseidinfo, $name);
1855: my $topmargintoinsert = '';
1856: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1857: my $fancypagestatement='';
1858: if ($numberofcolumns eq '2') {
1859: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1860: } else {
1861: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1862: }
1863: if ($layout eq 'album') {
1864: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1865: } elsif ($layout eq 'book') {
1866: if ($choice ne 'All class print') {
1867: $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/;
1868: } else {
1869: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
1870: }
1871: if ($papersize eq 'a4') {
1872: my $papersize_text;
1873: if ($perm{'pav'}) {
1874: $papersize_text = '\\special{papersize=210mm,297mm}';
1875: } else {
1876: $papersize_text = '\special{papersize=210mm,297mm}';
1877: }
1878: $text =~ s/(\\begin{document})/$1$papersize_text/;
1879: }
1880: }
1881: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
1882: if ($indexlist eq 'yes') {
1883: $text=~s/(\\begin{document})/\\makeindex $1/;
1884: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
1885: }
1886: return $text;
1887: }
1888:
1889:
1890: sub page_cleanup {
1891: my $result = shift;
1892:
1893: $result =~ m/\\end{document}(\d*)$/;
1894: my $number_of_columns = $1;
1895: my $insert = '{';
1896: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1897: $insert .= '}';
1898: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1899: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
1900: return $result,$number_of_columns;
1901: }
1902:
1903:
1904: sub details_for_menu {
1905: my ($helper)=@_;
1906: my $postdata=$env{'form.postdata'};
1907: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
1908: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
1909: my $symbolic = &Apache::lonnet::symbread($postdata);
1910: return if ( $symbolic eq '');
1911:
1912: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1913: $map=&Apache::lonnet::clutter($map);
1914: my $name_of_sequence = &Apache::lonnet::gettitle($map);
1915: if ($name_of_sequence =~ /^\s*$/) {
1916: $map =~ m|([^/]+)$|;
1917: $name_of_sequence = $1;
1918: }
1919: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1920: if ($name_of_map =~ /^\s*$/) {
1921: $env{'request.course.uri'} =~ m|([^/]+)$|;
1922: $name_of_map = $1;
1923: }
1924: return ($name_of_resource,$name_of_sequence,$name_of_map);
1925: }
1926:
1927: sub copyright_line {
1928: 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 } ';
1929: }
1930: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1931:
1932: sub latex_corrections {
1933: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1934: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1935: my $copyright = ©right_line();
1936: if ($selectionmade eq '1' || $answer_mode eq 'only') {
1937: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1938: } else {
1939: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1940: }
1941: $result =~ s/\$number_of_columns/$number_of_columns/g;
1942: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
1943: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1944: #-- LaTeX corrections
1945: my $first_comment = index($result,'<!--',0);
1946: while ($first_comment != -1) {
1947: my $end_comment = index($result,'-->',$first_comment);
1948: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
1949: $first_comment = index($result,'<!--',$first_comment);
1950: }
1951: $result =~ s/^\s+$//gm; #remove empty lines
1952: #removes more than one empty space
1953: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1954: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
1955: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
1956: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1957: $result =~ s/\\\\\s+\[/ \[/g;
1958: #conversion of html characters to LaTeX equivalents
1959: if ($result =~ m/&(\w+|#\d+);/) {
1960: $result = &character_chart($result);
1961: }
1962: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
1963: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
1964: return $result;
1965: }
1966:
1967:
1968: sub index_table {
1969: my $currentURL = shift;
1970: my $insex_string='';
1971: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
1972: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
1973: return $insex_string;
1974: }
1975:
1976:
1977: sub IndexCreation {
1978: my ($texversion,$currentURL)=@_;
1979: my @key_words=split(/,/,&index_table($currentURL));
1980: my $chunk='';
1981: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
1982: if ($st>0) {
1983: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
1984: $chunk=substr($texversion,0,$st+1);
1985: substr($texversion,0,$st+1)=' ';
1986: }
1987: foreach my $key_word (@key_words) {
1988: if ($key_word=~/\S+/) {
1989: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
1990: }
1991: }
1992: if ($st>0) {substr($texversion,0,1)=$chunk;}
1993: return $texversion;
1994: }
1995:
1996: sub print_latex_header {
1997: my $mode=shift;
1998:
1999: return &Apache::londefdef::latex_header($mode);
2000: }
2001:
2002: sub path_to_problem {
2003: my ($urlp,$colwidth)=@_;
2004: $urlp=&Apache::lonnet::clutter($urlp);
2005:
2006: my $newurlp = '';
2007: $colwidth=~s/\s*mm\s*$//;
2008: #characters average about 2 mm in width
2009: if (length($urlp)*2 > $colwidth) {
2010: my @elements = split('/',$urlp);
2011: my $curlength=0;
2012: foreach my $element (@elements) {
2013: if ($element eq '') { next; }
2014: if ($curlength+(length($element)*2) > $colwidth) {
2015: $newurlp .= '|\vskip -1 mm \verb|';
2016: $curlength=length($element)*2;
2017: } else {
2018: $curlength+=length($element)*2;
2019: }
2020: $newurlp.='/'.$element;
2021: }
2022: } else {
2023: $newurlp=$urlp;
2024: }
2025: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
2026: }
2027:
2028: sub recalcto_mm {
2029: my $textwidth=shift;
2030: my $LaTeXwidth;
2031: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
2032: $LaTeXwidth = $1*10;
2033: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
2034: $LaTeXwidth = $1;
2035: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
2036: $LaTeXwidth = $1*25.4;
2037: }
2038: $LaTeXwidth.=' mm';
2039: return $LaTeXwidth;
2040: }
2041:
2042: sub get_textwidth {
2043: my ($helper,$LaTeXwidth)=@_;
2044: my $textwidth=$LaTeXwidth;
2045: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
2046: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
2047: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
2048: $helper->{'VARS'}->{'pagesize.widthunit'});
2049: }
2050: return $textwidth;
2051: }
2052:
2053:
2054: sub unsupported {
2055: my ($currentURL,$mode,$symb)=@_;
2056: if ($mode ne '') {$mode='\\'.$mode}
2057: my $result.= &print_latex_header($mode);
2058: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
2059: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
2060: my $title=&Apache::lonnet::gettitle($symb);
2061: $title = &Apache::lonxml::latex_special_symbols($title);
2062: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
2063: } else {
2064: $result.=$currentURL;
2065: }
2066: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2067: return $result;
2068: }
2069:
2070: #
2071: # Map from helper layout style to the book/album:
2072: #
2073: sub map_laystyle {
2074: my ($laystyle) = @_;
2075: if ($laystyle eq 'L') {
2076: $laystyle='album';
2077: } else {
2078: $laystyle='book';
2079: }
2080: return $laystyle;
2081: }
2082:
2083: sub print_page_in_course {
2084: my ($helper, $rparmhash, $currentURL, $resources) = @_;
2085:
2086: my %parmhash = %$rparmhash;
2087: my @page_resources = @$resources;
2088: my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
2089: my $symb = $helper->{'VARS'}->{'symb'};
2090:
2091:
2092: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2093:
2094:
2095: my @temporary_array=split /\|/,$format_from_helper;
2096: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2097: $laystyle = &map_laystyle($laystyle);
2098: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
2099: $numberofcolumns);
2100: my $LaTeXwidth=&recalcto_mm($textwidth);
2101:
2102:
2103: if ($mode ne '') {$mode='\\'.$mode}
2104: my $result = &print_latex_header($mode);
2105: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
2106: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
2107: my $title=&Apache::lonnet::gettitle($symb);
2108: $title = &Apache::lonxml::latex_special_symbols($title);
2109: } else {
2110: my $esc_currentURL= $currentURL;
2111: $esc_currentURL =~ s/_/\\_/g;
2112: $result.=$esc_currentURL;
2113: }
2114: $result .= '\\\\';
2115:
2116: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2117: &Apache::lonnet::appenv({'construct.style' =>
2118: $helper->{'VARS'}->{'style_file'}});
2119: } elsif ($env{'construct.style'}) {
2120: &Apache::lonnet::delenv('construct.style');
2121: }
2122:
2123: # First is the overall page description. This is then followed by the
2124: # components of the page. Each of which must be printed independently.
2125: my $the_page = shift(@page_resources);
2126:
2127:
2128: foreach my $resource (@page_resources) {
2129: my $resource_src = $resource->src(); # Essentially the URL of the resource.
2130: $result .= $resource->title() . '\\\\';
2131:
2132: # Recurse if a .page:
2133:
2134: if ($resource_src =~ /.page$/i) {
2135: my $navmap = Apache::lonnavmaps::navmap->new();
2136: my @page_resources = $navmap->retrieveResources($resource_src);
2137: $result .= &print_page_in_course($helper, $rparmhash,
2138: $resource_src, \@page_resources);
2139: }
2140: # these resources go through the XML transformer:
2141:
2142: elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2143:
2144: my $urlp = &Apache::lonnet::clutter($resource_src);
2145:
2146: my %form;
2147: my %moreenv;
2148:
2149: &Apache::lonxml::remember_problem_counter();
2150: $moreenv{'request.filename'}=$urlp;
2151: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2152:
2153: $form{'grade_target'} = 'tex';
2154: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2155: $form{'pdfFormFields'} = $pdfFormFields; #
2156: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2157:
2158: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2159: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2160: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2161: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2162: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2163: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2164: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2165: $form{'problem_split'}='yes';
2166: }
2167: my $rndseed = time;
2168: if ($helper->{'VARS'}->{'curseed'}) {
2169: $rndseed=$helper->{'VARS'}->{'curseed'};
2170: }
2171: $form{'rndseed'}=$rndseed;
2172: &Apache::lonnet::appenv(\%moreenv);
2173:
2174: &Apache::lonxml::clear_problem_counter();
2175:
2176: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
2177:
2178:
2179: # current document with answers.. no need to encap in minipage
2180: # since there's only one answer.
2181:
2182: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2183: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2184: my %answerform = %form;
2185:
2186:
2187: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2188: $answerform{'grade_target'}='answer';
2189: $answerform{'answer_output_mode'}='tex';
2190: $answerform{'rndseed'}=$rndseed;
2191: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2192: $answerform{'problemtype'}='exam';
2193: }
2194: $resources_printed .= $urlp.':';
2195: my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
2196:
2197: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2198: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2199: } else {
2200: $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2201: if ($helper->{'VARS'}->{'construction'} ne '1') {
2202: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2203: $title = &Apache::lonxml::latex_special_symbols($title);
2204: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2205: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2206: } else {
2207: $texversion.='\vskip 0 mm \noindent\textbf{'.
2208: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
2209: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2210: }
2211: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2212: }
2213:
2214:
2215:
2216:
2217:
2218: }
2219: # Print annotations.
2220:
2221:
2222: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2223: my $annotation .= &annotate($currentURL);
2224: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
2225: }
2226:
2227: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2228: $texversion=&IndexCreation($texversion,$currentURL);
2229: }
2230: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2231: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2232:
2233: }
2234: $texversion = &latex_header_footer_remove($texversion);
2235:
2236: # the first remaining line is a comment from londefdef the second
2237: # line seems to be an extraneous \vskip 1mm \\\\ :
2238: # (imperfect removal from header_footer_remove?
2239:
2240: $texversion =~ s/\\vskip 1mm \\\\\\\\//;
2241:
2242: $result .= $texversion;
2243: if ($currentURL=~m/\.page\s*$/) {
2244: ($result,$numberofcolumns) = &page_cleanup($result);
2245: }
2246: }
2247: }
2248:
2249: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2250: return $result;
2251: }
2252:
2253:
2254: #
2255: # List of recently generated print files
2256: #
2257: sub recently_generated {
2258: my ($prtspool) = @_;
2259: my $output;
2260: my $zip_result;
2261: my $pdf_result;
2262: opendir(DIR,$prtspool);
2263:
2264: my @files =
2265: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
2266: closedir(DIR);
2267:
2268: @files = sort {
2269: my ($actime) = (stat($prtspool.'/'.$a))[10];
2270: my ($bctime) = (stat($prtspool.'/'.$b))[10];
2271: return $bctime <=> $actime;
2272: } (@files);
2273:
2274: foreach my $filename (@files) {
2275: my ($ext) = ($filename =~ m/(pdf|zip)$/);
2276: my ($cdev,$cino,$cmode,$cnlink,
2277: $cuid,$cgid,$crdev,$csize,
2278: $catime,$cmtime,$cctime,
2279: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
2280: my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
2281: my $result=&Apache::loncommon::start_data_table_row()
2282: .'<td>'
2283: .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
2284: .'</td>'
2285: .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
2286: .'<td align="right">'.$csize.'</td>'
2287: .&Apache::loncommon::end_data_table_row();
2288: if ($ext eq 'pdf') { $pdf_result .= $result; }
2289: if ($ext eq 'zip') { $zip_result .= $result; }
2290: }
2291: if ($zip_result || $pdf_result) {
2292: $output ='<hr />';
2293: }
2294: if ($zip_result) {
2295: $output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
2296: .&Apache::loncommon::start_data_table()
2297: .&Apache::loncommon::start_data_table_header_row()
2298: .'<th>'.&mt('Download').'</th>'
2299: .'<th>'.&mt('Creation Date').'</th>'
2300: .'<th>'.&mt('File Size (Bytes)').'</th>'
2301: .&Apache::loncommon::end_data_table_header_row()
2302: .$zip_result
2303: .&Apache::loncommon::end_data_table();
2304: }
2305: if ($pdf_result) {
2306: $output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
2307: .&Apache::loncommon::start_data_table()
2308: .&Apache::loncommon::start_data_table_header_row()
2309: .'<th>'.&mt('Download').'</th>'
2310: .'<th>'.&mt('Creation Date').'</th>'
2311: .'<th>'.&mt('File Size (Bytes)').'</th>'
2312: .&Apache::loncommon::end_data_table_header_row()
2313: .$pdf_result
2314: .&Apache::loncommon::end_data_table();
2315: }
2316: return $output;
2317: }
2318:
2319: #
2320: # Retrieve the hash of page breaks.
2321: #
2322: # Inputs:
2323: # helper - reference to helper object.
2324: # Outputs
2325: # A reference to a page break hash.
2326: #
2327: #
2328: # use Data::Dumper;
2329: # sub dump_helper_vars {
2330: # my ($helper) = @_;
2331: # my $helpervars = Dumper($helper->{'VARS'});
2332: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
2333: #}
2334:
2335: sub get_page_breaks {
2336: my ($helper) = @_;
2337: my %page_breaks;
2338:
2339: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
2340: $page_breaks{$break} = 1;
2341: }
2342: return %page_breaks;
2343: }
2344: #
2345: # Returns text to insert for any extra vskip prior to the resource.
2346: # Parameters:
2347: # helper - Reference to the helper object driving the printout.
2348: # resource - Identifies the resource about to be printed.
2349: #
2350: # This is done as follows:
2351: # POSSIBLE_RESOURCES has the list of possible resources.
2352: # EXTRASPACE has the list of extra space values.
2353: # EXTRASPACE_UNITS is the set of resources for which the units are
2354: # mm. All others are 'in'.
2355: #
2356: # The resource is found in the POSSIBLE_RESOURCES to get the index
2357: # of the EXTRASPACE value.
2358: #
2359: # In order to speed this up for lengthy printouts, the first time,
2360: # POSSIBLE_RESOURCES is turned into a look up hash and
2361: # EXTRASPACE is turned into an array.
2362: #
2363:
2364:
2365: my %possible_resources;
2366: my %extraspace_mm;
2367: my @extraspace;
2368: my $skips_loaded = 0;
2369:
2370: # Function to load the skips hash and array
2371:
2372: sub load_skips {
2373:
2374: my ($helper) = @_;
2375:
2376: # If this is the first time, unrap the resources and extra spaces:
2377:
2378: if (!$skips_loaded) {
2379: @extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
2380: my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
2381: my $i = 0;
2382: foreach my $resource (@resource_list) {
2383: $possible_resources{$resource} = $i;
2384: $i++;
2385: }
2386: foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
2387: $extraspace_mm{$mm_resource} = 1;
2388: }
2389: $skips_loaded = 1;
2390: }
2391: }
2392:
2393: sub get_extra_vspaces {
2394: my ($helper, $resource) = @_;
2395:
2396: &load_skips($helper);
2397:
2398: # Lookup the resource in the possible resources hash.. that is the index
2399: # into the extraspace array that gives us either an empty string or
2400: # the number of mm to skip:
2401:
2402: my $index = $possible_resources{$resource};
2403: my $skip = $extraspace[$index];
2404:
2405: my $result = '';
2406: if ($skip ne '') {
2407: my $units = 'in';
2408: if (defined($extraspace_mm{$resource})) {
2409: $units = 'mm';
2410: }
2411: $result = '\vskip '.$skip.' '.$units;
2412: }
2413:
2414:
2415: return $result;
2416:
2417:
2418: }
2419:
2420: #
2421: # The resource chooser part of the helper needs more than just
2422: # the value of the extraspaces var to recover the value into a text
2423: # field option. This sub produces the required format for the saved var:
2424: # specifically
2425: # ||| separated fields of the form resourcename=value
2426: #
2427: # Parameters:
2428: # $helper - Refers to the helper we are configuring
2429: # Implicit input:
2430: # $helper->{'VARS'}->{'EXTRASPACE'} - the spaces helper var has the text field
2431: # value.
2432: # $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
2433: # $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} - has the list of resources. |||
2434: # separated of course.
2435: # Implicit outputs:
2436: # $env{'form.extraspace'}
2437: # $env{'form.extraspace_units'}
2438: #
2439: sub set_form_extraspace {
2440: my ($helper) = @_;
2441:
2442: # the most convenient way to do this is to drive from the skips arrays/hash.
2443: # may not be the fastest, but this is once per print request so it's not so
2444: # speed critical:
2445:
2446: &load_skips($helper);
2447:
2448: my $result = '';
2449:
2450: foreach my $resource (keys(%possible_resources)) {
2451: my $vskip = $extraspace[$possible_resources{$resource}];
2452: $result .= $resource .'=' . $vskip . '|||';
2453: }
2454:
2455: $env{'form.extraspace'} = $result;
2456: $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
2457: return $result;
2458:
2459: }
2460:
2461: # Output a sequence (recursively if neeed)
2462: # from construction space.
2463: # Parameters:
2464: # url = URL of the sequence to print.
2465: # helper - Reference to the helper hash.
2466: # form - Copy of the format hash.
2467: # LaTeXWidth
2468: # Returns:
2469: # Text to add to the printout.
2470: # NOTE if the first element of the outermost sequence
2471: # is itself a sequence, the outermost caller may need to
2472: # prefix the latex with the page headers stuff.
2473: #
2474: sub print_construction_sequence {
2475: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
2476:
2477: my $result;
2478: my $rndseed=time;
2479: if ($helper->{'VARS'}->{'curseed'}) {
2480: $rndseed=$helper->{'VARS'}->{'curseed'};
2481: }
2482: my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL));
2483:
2484: #
2485: # These make this all support recursing for subsequences.
2486: #
2487: my @order = @LONCAPA::map::order;
2488: my @resources = @LONCAPA::map::resources;
2489:
2490: for (my $member=0;$member<=$#order;$member++) {
2491: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
2492: my $urlp=$2;
2493: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2494: my $texversion='';
2495: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2496: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2497: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2498: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2499: $form{'rndseed'}=$rndseed;
2500: $resources_printed .=$urlp.':';
2501: $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2502: }
2503: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2504: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
2505: ($urlp=~/$LONCAPA::assess_page_re/)) {
2506: # Don't permanently modify %$form...
2507: my %answerform = %form;
2508: $answerform{'grade_target'}='answer';
2509: $answerform{'answer_output_mode'}='tex';
2510: $answerform{'rndseed'}=$rndseed;
2511: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2512: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
2513: $resources_printed .= $urlp.':';
2514: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2515: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2516: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2517: } else {
2518: # If necessary, encapsulate answer in minipage:
2519:
2520: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2521: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2522: $title = &Apache::lonxml::latex_special_symbols($title);
2523: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2524: $body.=&path_to_problem($urlp,$LaTeXwidth);
2525: $body.='\vskip 1 mm '.$answer.'\end{document}';
2526: $body = &encapsulate_minipage($body);
2527: $texversion.=$body;
2528: }
2529: }
2530: $texversion = &latex_header_footer_remove($texversion);
2531:
2532: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2533: $texversion=&IndexCreation($texversion,$urlp);
2534: }
2535: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2536: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
2537: }
2538: $result.=$texversion;
2539:
2540: } elsif ($urlp=~/\.(sequence|page)$/) {
2541:
2542: # header:
2543:
2544: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
2545:
2546: # IF sequence, recurse:
2547:
2548: if ($urlp =~ /\.sequence$/) {
2549: $result .= &print_construction_sequence($urlp,
2550: $helper, %form,
2551: $LaTeXwidth);
2552: }
2553: }
2554: elsif ($urlp =~ /\.pdf$/i) {
2555: my $texversion;
2556: if ($member != 0) {
2557: $texversion .= '\cleardoublepage';
2558: }
2559:
2560: $texversion .= &include_pdf($urlp);
2561: $texversion = &latex_header_footer_remove($texversion);
2562: if ($member != $#order) {
2563: $texversion .= '\\ \cleardoublepage';
2564: }
2565:
2566: $result .= $texversion;
2567: }
2568: }
2569: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
2570: return $result;
2571: }
2572:
2573: #
2574: # Top level for generating print output.
2575: #
2576: # May call print_resources if multiple resources will be printed.
2577: #
2578: # The main driver is $selectionmade which reflects the type of print out
2579: # requested:
2580: # Value Print type:
2581: # 1 Print resource that's being looked at.
2582: # 2 Print problems in a map or in a page.
2583: # 3 Print pages in a map or resources in a page.
2584: # 4 Print all problems or all resources.
2585: # 5 Print problems for seleted students.
2586: # 6 Print selected problems from a folder.
2587: # 7 Print print selected resources from some scope.
2588: # 8 Print resources for selected students.
2589: #
2590: #BZ 5209
2591: # 2 map_incomplete_problems_seq Print incomplete problems from the current
2592: # folder in student context.
2593: # 5 map_incomplete_problems_people_seq Print incomplete problems from the
2594: # current folder in privileged context.
2595: # 5 incomplete_problems_selpeople_course Print incomplete problems for
2596: # selected people from the entire course.
2597: #
2598: # Item 101 has much the same processing as 8,
2599: #
2600: # Differences: Item 101, 102 require per-student filtering of the resource
2601: # set so that only the incomplete resources are printed.
2602: # For item 100, filtering was done at the helper level.
2603:
2604: sub output_data {
2605: my ($r,$helper,$rparmhash) = @_;
2606: my %parmhash = %$rparmhash;
2607: $ssi_error = 0; # This will be set nonzero by failing ssi's.
2608: $resources_printed = '';
2609: $font_size = $helper->{'VARS'}->{'fontsize'};
2610: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
2611: my $do_postprocessing = 1;
2612: my $js = <<ENDPART;
2613: <script type="text/javascript">
2614: var editbrowser;
2615: function openbrowser(formname,elementname,only,omit) {
2616: var url = '/res/?';
2617: if (editbrowser == null) {
2618: url += 'launch=1&';
2619: }
2620: url += 'catalogmode=interactive&';
2621: url += 'mode=parmset&';
2622: url += 'form=' + formname + '&';
2623: if (only != null) {
2624: url += 'only=' + only + '&';
2625: }
2626: if (omit != null) {
2627: url += 'omit=' + omit + '&';
2628: }
2629: url += 'element=' + elementname + '';
2630: var title = 'Browser';
2631: var options = 'scrollbars=1,resizable=1,menubar=0';
2632: options += ',width=700,height=600';
2633: editbrowser = open(url,title,options,'1');
2634: editbrowser.focus();
2635: }
2636: </script>
2637: ENDPART
2638:
2639:
2640: # Breadcrumbs
2641: #FIXME: Choose better/different breadcrumbs?!? Links?
2642: my $brcrum = [{'href' => '',
2643: 'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
2644: {'href' => '',
2645: 'text' => 'Preparing Printout'}];
2646:
2647: my $start_page = &Apache::loncommon::start_page('Preparing Printout',
2648: $js,
2649: {'bread_crumbs' => $brcrum,});
2650: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
2651:
2652: $r->print($start_page."\n<p>\n$msg\n</p>\n");
2653:
2654: # fetch the pagebreaks and store them in the course environment
2655: # The page breaks will be pulled into the hash %page_breaks which is
2656: # indexed by symb and contains 1's for each break.
2657:
2658: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
2659: &set_form_extraspace($helper);
2660: $env{'form.lastprinttype'} = $print_type;
2661: &Apache::loncommon::store_course_settings('print',
2662: {'pagebreaks' => 'scalar',
2663: 'extraspace' => 'scalar',
2664: 'extraspace_units' => 'scalar',
2665: 'lastprinttype' => 'scalar'});
2666: my %page_breaks = &get_page_breaks($helper);
2667:
2668: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2669: my ($result,$selectionmade) = ('','');
2670: my $number_of_columns = 1; #used only for pages to determine the width of the cell
2671: my @temporary_array=split /\|/,$format_from_helper;
2672: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2673:
2674: $laystyle = &map_laystyle($laystyle);
2675: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
2676: my $assignment = $env{'form.assignment'};
2677: my $LaTeXwidth=&recalcto_mm($textwidth);
2678: my @print_array=();
2679: my @student_names=();
2680:
2681:
2682: # Common settings for the %form has:
2683: # In some cases these settings get overriddent by specific cases, but the
2684: # settings are common enough to make it worthwhile factoring them out
2685: # here.
2686: #
2687: my %form;
2688: $form{'grade_target'} = 'tex';
2689: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2690: $form{'pdfFormFields'} = $pdfFormFields;
2691:
2692: # If form.showallfoils is set, then request all foils be shown:
2693: # privilege will be enforced both by not allowing the
2694: # check box selecting this option to be presnt unless it's ok,
2695: # and by lonresponse's priv. check.
2696: # The if is here because lonresponse.pm only cares that
2697: # showallfoils is defined, not what the value is.
2698:
2699: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
2700: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2701: }
2702:
2703: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2704: &Apache::lonnet::appenv({'construct.style' =>
2705: $helper->{'VARS'}->{'style_file'}});
2706: } elsif ($env{'construct.style'}) {
2707: &Apache::lonnet::delenv('construct.style');
2708: }
2709:
2710: if ($print_type eq 'current_document') {
2711: #-- single document - problem, page, html, xml, ...
2712: my ($currentURL,$cleanURL);
2713:
2714: if ($helper->{'VARS'}->{'construction'} ne '1') {
2715: #prints published resource
2716: $currentURL=$helper->{'VARS'}->{'postdata'};
2717: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
2718: } else {
2719:
2720: #prints resource from the construction space
2721: $currentURL=$helper->{'VARS'}->{'filename'};
2722: $cleanURL=$currentURL;
2723: }
2724: $selectionmade = 1;
2725:
2726: if ($cleanURL!~m|^/adm/|
2727: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2728: my $rndseed=time;
2729: my $texversion='';
2730: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2731: my %moreenv;
2732: $moreenv{'request.filename'}=$cleanURL;
2733: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2734: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2735: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2736: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2737: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2738: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2739: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2740: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2741: $form{'problem_split'}='yes';
2742: }
2743: if ($helper->{'VARS'}->{'curseed'}) {
2744: $rndseed=$helper->{'VARS'}->{'curseed'};
2745: }
2746: $form{'rndseed'}=$rndseed;
2747: &Apache::lonnet::appenv(\%moreenv);
2748:
2749: &Apache::lonxml::clear_problem_counter();
2750:
2751: $resources_printed .= $currentURL.':';
2752: $texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2753:
2754: # Add annotations if required:
2755:
2756: &Apache::lonxml::clear_problem_counter();
2757:
2758: &Apache::lonnet::delenv('request.filename');
2759: }
2760: # current document with answers.. no need to encap in minipage
2761: # since there's only one answer.
2762:
2763: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2764: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2765:
2766: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2767: $form{'grade_target'}='answer';
2768: $form{'answer_output_mode'}='tex';
2769: $form{'rndseed'}=$rndseed;
2770: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2771: $form{'problemtype'}='exam';
2772: }
2773: $resources_printed .= $currentURL.':';
2774: my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2775:
2776:
2777: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2778: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2779: } else {
2780: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2781: if ($helper->{'VARS'}->{'construction'} ne '1') {
2782: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2783: $title = &Apache::lonxml::latex_special_symbols($title);
2784: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2785: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2786: } else {
2787: $texversion.='\vskip 0 mm \noindent\textbf{'.
2788: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
2789:
2790: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2791: }
2792: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2793: }
2794:
2795:
2796:
2797:
2798:
2799: }
2800: # Print annotations.
2801:
2802:
2803: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2804: my $annotation .= &annotate($currentURL);
2805: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
2806: }
2807:
2808:
2809: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2810: $texversion=&IndexCreation($texversion,$currentURL);
2811: }
2812: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2813: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2814:
2815: }
2816: $result .= $texversion;
2817: if ($currentURL=~m/\.page\s*$/) {
2818: ($result,$number_of_columns) = &page_cleanup($result);
2819: }
2820: } elsif ($cleanURL!~m|^/adm/|
2821: && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
2822: $result .= &print_construction_sequence($currentURL, $helper, %form,
2823: $LaTeXwidth);
2824: $result .= '\end{document}';
2825: if (!($result =~ /\\begin\{document\}/)) {
2826: $result = &print_latex_header() . $result;
2827: }
2828: # End construction space sequence.
2829: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
2830: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2831: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
2832: $resources_printed .= $currentURL.':';
2833: my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
2834: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2835: my $annotation = &annotate($currentURL);
2836: $texversion =~ s/(\\end{document})/$annotation$1/;
2837: }
2838: $result .= $texversion;
2839: } elsif ($cleanURL =~/\.tex$/) {
2840: # For this sort of print of a single LaTeX file,
2841: # We can just print the LaTeX file as it is uninterpreted in any way:
2842: #
2843:
2844: $result = &fetch_raw_resource($currentURL);
2845: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2846: my $annotation = &annotate($currentURL);
2847: $result =~ s/(\\end{document})/$annotation$1/;
2848: }
2849:
2850: $do_postprocessing = 0; # Don't massage the result.
2851:
2852: } elsif ($cleanURL =~ /\.pdf$/i) {
2853: $result .= &include_pdf($cleanURL);
2854: $result .= '\end{document}';
2855: } elsif ($cleanURL =~ /\.page$/i) { # Print page in non construction space contexts.
2856:
2857: # Determine the set of resources in the map of the page:
2858:
2859: my $navmap = Apache::lonnavmaps::navmap->new();
2860: my @page_resources = $navmap->retrieveResources($cleanURL);
2861: $result .= &print_page_in_course($helper, $rparmhash,
2862: $cleanURL, \@page_resources);
2863:
2864:
2865: } else {
2866: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
2867: $helper->{'VARS'}->{'symb'});
2868: }
2869: } elsif (($print_type eq 'map_problems') or
2870: ($print_type eq 'map_problems_in_page') or
2871: ($print_type eq 'map_resources_in_page') or
2872: ($print_type eq 'map_problems_pages') or
2873: ($print_type eq 'all_problems') or
2874: ($print_type eq 'all_resources') or # BUGBUG
2875: ($print_type eq 'select_sequences') or
2876: ($print_type eq 'map_incomplete_problems_seq')
2877: ) {
2878:
2879:
2880: #-- produce an output string
2881: if (($print_type eq 'map_problems') or
2882: ($print_type eq 'map_incomplete_problems_seq') or
2883: ($print_type eq 'map_problems_in_page') ) {
2884: $selectionmade = 2;
2885: } elsif (($print_type eq 'map_problems_pages') or
2886: ($print_type eq 'map_resources_in_page'))
2887: {
2888: $selectionmade = 3;
2889: } elsif (($print_type eq 'all_problems')
2890: ) {
2891: $selectionmade = 4;
2892: } elsif ($print_type eq 'all_resources') { #BUGBUG
2893: $selectionmade = 4;
2894: } elsif ($print_type eq 'select_sequences') {
2895: $selectionmade = 7;
2896: }
2897:
2898: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2899: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2900: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2901: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2902: $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2903: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2904: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
2905: $form{'problem_split'}='yes';
2906: }
2907: my $flag_latex_header_remove = 'NO';
2908: my $flag_page_in_sequence = 'NO';
2909: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
2910: my $prevassignment='';
2911:
2912: &Apache::lonxml::clear_problem_counter();
2913:
2914: my $pbreakresources = keys %page_breaks;
2915: for (my $i=0;$i<=$#master_seq;$i++) {
2916:
2917: &Apache::lonenc::reset_enc();
2918:
2919:
2920: # Note due to document structure, not allowed to put \newpage
2921: # prior to the first resource
2922:
2923: if (defined $page_breaks{$master_seq[$i]}) {
2924: if($i != 0) {
2925: $result.="\\newpage\n";
2926: }
2927: }
2928: $result .= &get_extra_vspaces($helper, $master_seq[$i]);
2929: my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
2930: $urlp=&Apache::lonnet::clutter($urlp);
2931: $form{'symb'}=$master_seq[$i];
2932:
2933: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
2934:
2935: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
2936: if ($i==0) {$prevassignment=$assignment;}
2937: my $texversion='';
2938: if ($urlp!~m|^/adm/|
2939: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
2940: $resources_printed .= $urlp.':';
2941: &Apache::lonxml::remember_problem_counter();
2942: if ($flag_latex_header_remove eq 'NO') {
2943: $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); # RF
2944: unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
2945: (($i==0) &&
2946: (($urlp=~/\.page$/) ||
2947: ($print_type eq 'map_problems_in_page') ||
2948: ($print_type eq 'map_resources_in_page')))) {
2949: $flag_latex_header_remove = 'YES';
2950: }
2951: }
2952: $texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2953: if ($urlp=~/\.page$/) {
2954: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
2955: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
2956: $texversion =~ s/\\end{document}\d*/\\end{document}/;
2957: $flag_page_in_sequence = 'YES';
2958: }
2959:
2960: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2961: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2962: # Don't permanently pervert the %form hash
2963: my %answerform = %form;
2964: $answerform{'grade_target'}='answer';
2965: $answerform{'answer_output_mode'}='tex';
2966: $resources_printed .= $urlp.':';
2967:
2968: &Apache::lonxml::restore_problem_counter();
2969: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2970: if ($urlp =~ /\.page$/) {
2971: $answer =~ s/\\end{document}(\d*)$//;
2972: }
2973: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2974: if ($urlp =~ /\.page$/) {
2975: my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
2976: my $lastprob = pop(@probs);
2977: $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
2978: $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
2979: } else {
2980: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2981: }
2982: } else {
2983: if ($urlp=~/$LONCAPA::assess_page_re/) {
2984: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2985: # $texversion =~ s/\\begin{document}//; # FIXME
2986: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
2987: $title = &Apache::lonxml::latex_special_symbols($title);
2988: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2989: $body .= &path_to_problem ($urlp,$LaTeXwidth);
2990: $body .='\vskip 1 mm '.$answer;
2991: $body = &encapsulate_minipage($body);
2992: $texversion .= $body;
2993: } else {
2994: $texversion='';
2995: }
2996: }
2997:
2998: }
2999: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3000: my $annotation .= &annotate($urlp);
3001: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
3002: }
3003:
3004: if ($flag_latex_header_remove ne 'NO') {
3005: $texversion = &latex_header_footer_remove($texversion);
3006: } else {
3007: $texversion =~ s/\\end{document}//;
3008: }
3009: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3010: $texversion=&IndexCreation($texversion,$urlp);
3011: }
3012: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
3013: my $name = &get_name();
3014: my $courseidinfo = &get_course();
3015: $prevassignment=$assignment;
3016: my $header_text = $parmhash{'print_header_format'};
3017: $header_text = &format_page_header($textwidth, $header_text,
3018: $assignment,
3019: $courseidinfo,
3020: $name);
3021: if ($numberofcolumns eq '1') {
3022: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
3023: } else {
3024: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
3025: }
3026: }
3027: $result .= $texversion;
3028: $flag_latex_header_remove = 'YES';
3029: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
3030: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3031: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
3032: $resources_printed .= $urlp.':';
3033: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
3034: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3035: my $annotation = &annotate($urlp);
3036: $texversion =~ s/(\\end{document)/$annotation$1/;
3037: }
3038:
3039: if ($flag_latex_header_remove ne 'NO') {
3040: $texversion = &latex_header_footer_remove($texversion);
3041: } else {
3042: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
3043: }
3044: $result .= $texversion;
3045: $flag_latex_header_remove = 'YES';
3046: } elsif ($urlp=~ /\.pdf$/i) {
3047: if ($i > 0) {
3048: $result .= '\cleardoublepage';
3049: }
3050: my $texfrompdf = &include_pdf($urlp);
3051: if ($flag_latex_header_remove ne 'NO') {
3052: $texfrompdf = &latex_header_footer_remove($texfrompdf);
3053: }
3054: $result .= $texfrompdf;
3055: if ($i != $#master_seq) {
3056: if ($numberofcolumns eq '1') {
3057: $result .= '\newpage';
3058: } else {
3059: # the \\'s seem to be needed to let LaTeX know there's something
3060: # on the page since LaTeX seems to not like to clear an empty page.
3061: #
3062: $result .= '\\ \cleardoublepage';
3063: }
3064: }
3065: $flag_latex_header_remove = 'YES';
3066:
3067: } else {
3068: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
3069: $master_seq[$i]);
3070: if ($flag_latex_header_remove ne 'NO') {
3071: $texversion = &latex_header_footer_remove($texversion);
3072: } else {
3073: $texversion =~ s/\\end{document}//;
3074: }
3075: $result .= $texversion;
3076: $flag_latex_header_remove = 'YES';
3077: }
3078: if (&Apache::loncommon::connection_aborted($r)) {
3079: last;
3080: }
3081: }
3082: &Apache::lonxml::clear_problem_counter();
3083: if ($flag_page_in_sequence eq 'YES') {
3084: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
3085: }
3086: $result .= '\end{document}';
3087: } elsif (($print_type eq 'problems_for_students') ||
3088: ($print_type eq 'problems_for_students_from_page') ||
3089: ($print_type eq 'all_problems_students') ||
3090: ($print_type eq 'resources_for_students') ||
3091: ($print_type eq 'incomplete_problems_selpeople_course') ||
3092: ($print_type eq 'map_incomplete_problems_people_seq')){
3093:
3094:
3095: #-- prints assignments for whole class or for selected students
3096: my $type;
3097: if (($print_type eq 'problems_for_students') ||
3098: ($print_type eq 'problems_for_students_from_page') ||
3099: ($print_type eq 'all_problems_students') ||
3100: ($print_type eq 'incomplete_problems_selpeople_course') ||
3101: ($print_type eq 'map_incomplete_problems_people_seq')) {
3102: $selectionmade=5;
3103: $type='problems';
3104: } elsif ($print_type eq 'resources_for_students') {
3105: $selectionmade=8;
3106: $type='resources';
3107: }
3108: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
3109: # The normal sort order is by section then by students within the
3110: # section. If the helper var student_sort is 1, then the user has elected
3111: # to override this and output the students by name.
3112: # Each element of the students array is of the form:
3113: # username:domain:section:last, first:status
3114: #
3115: # Note that student sort is not compatible with printing
3116: # 1 section per pdf...so that setting overrides.
3117: #
3118: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
3119: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
3120: @students = sort compare_names @students;
3121: } else {
3122: @students = sort compare_sections @students;
3123: }
3124: &adjust_number_to_print($helper);
3125:
3126: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
3127: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
3128: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
3129: }
3130: # If we are splitting on section boundaries, we need
3131: # to remember that in split_on_sections and
3132: # print all of the students in the list.
3133: #
3134: my $split_on_sections = 0;
3135: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
3136: $split_on_sections = 1;
3137: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
3138: }
3139: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3140:
3141: #loop over students
3142:
3143: my $flag_latex_header_remove = 'NO';
3144: my %moreenv;
3145: $moreenv{'instructor_comments'}='hide';
3146: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
3147: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
3148: $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
3149: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3150: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
3151: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
3152: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
3153: $moreenv{'problem_split'}='yes';
3154: }
3155: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1);
3156: my $student_counter=-1;
3157: my $i = 0;
3158: my $last_section = (split(/:/,$students[0]))[2];
3159: foreach my $person (@students) {
3160: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
3161: if (-e $duefile) {
3162: my $temp_file = Apache::File->new('>>'.$duefile);
3163: print $temp_file "1969\n";
3164: }
3165: $student_counter++;
3166: if ($split_on_sections) {
3167: my $this_section = (split(/:/,$person))[2];
3168: if ($this_section ne $last_section) {
3169: $i++;
3170: $last_section = $this_section;
3171: }
3172: } else {
3173: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
3174: }
3175: my $actual_seq = master_seq_to_person_seq($helper, \@master_seq, $person);
3176: my ($output,$fullname, $printed)=&print_resources($r,$helper,
3177: $person,$type,
3178: \%moreenv, $actual_seq,
3179: $flag_latex_header_remove,
3180: $LaTeXwidth);
3181: $resources_printed .= ":";
3182: $print_array[$i].=$output;
3183: $student_names[$i].=$person.':'.$fullname.'_END_';
3184: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
3185: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
3186: $flag_latex_header_remove = 'YES';
3187: if (&Apache::loncommon::connection_aborted($r)) { last; }
3188: }
3189: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3190: $result .= $print_array[0].' \end{document}';
3191: } elsif (($print_type eq 'problems_for_anon') ||
3192: ($print_type eq 'problems_for_anon_page') ||
3193: ($print_type eq 'resources_for_anon') ) {
3194: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
3195: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
3196: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
3197: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
3198: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
3199: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
3200: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
3201:
3202: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
3203: my @lines = &Apache::grades::get_scantronformat_file();
3204: my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
3205: foreach my $line (@lines) {
3206: chomp($line);
3207: my ($name,$type,$length,$bubbles_per_item) =
3208: (split(/:/,$line))[0,2,4,17];
3209: if ($name eq $code_option) {
3210: $code_length=$length;
3211: if ($type eq 'number') { $code_type = 'number'; }
3212: chomp($bubbles_per_item);
3213: if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
3214: $bubbles_per_row = $bubbles_per_item;
3215: }
3216: }
3217: }
3218: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
3219: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3220: $moreenv{'instructor_comments'}='hide';
3221: $moreenv{'bubbles_per_row'} = $bubbles_per_row;
3222: my $seed=time+($$<<16)+($$);
3223: my @allcodes;
3224: if ($old_name) {
3225: my %result=&Apache::lonnet::get('CODEs',
3226: [$old_name,"type\0$old_name"],
3227: $cdom,$cnum);
3228: $code_type=$result{"type\0$old_name"};
3229: @allcodes=split(',',$result{$old_name});
3230: $num_todo=scalar(@allcodes);
3231: } elsif ($selected_code) { # Selection value is always numeric.
3232: $num_todo = 1;
3233: @allcodes = ($selected_code);
3234: } elsif ($single_code) {
3235:
3236: $num_todo = 1; # Unconditionally one code to do.
3237: # If an alpha code have to convert to numbers so it can be
3238: # converted back to letters again :-)
3239: #
3240: if ($code_type ne 'number') {
3241: $single_code = &letters_to_num($single_code);
3242: }
3243: @allcodes = ($single_code);
3244: } else {
3245: my %allcodes;
3246: srand($seed);
3247: for (my $i=0;$i<$num_todo;$i++) {
3248: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
3249: $code_type);
3250: }
3251: if ($code_name) {
3252: &Apache::lonnet::put('CODEs',
3253: {
3254: $code_name =>join(',',keys(%allcodes)),
3255: "type\0$code_name" => $code_type
3256: },
3257: $cdom,$cnum);
3258: }
3259: @allcodes=keys(%allcodes);
3260: }
3261: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3262: my ($type) = split(/_/,$print_type);
3263: &adjust_number_to_print($helper);
3264: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
3265: if ($number_per_page eq '0' || $number_per_page eq 'all'
3266: || $number_per_page eq 'section') {
3267: $number_per_page=$num_todo > 0 ? $num_todo : 1;
3268: }
3269: my $flag_latex_header_remove = 'NO';
3270: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo);
3271: my $count=0;
3272: foreach my $code (sort(@allcodes)) {
3273: my $file_num=int($count/$number_per_page);
3274: if ($code_type eq 'number') {
3275: $moreenv{'CODE'}=$code;
3276: } else {
3277: $moreenv{'CODE'}=&num_to_letters($code);
3278: }
3279: my ($output,$fullname, $printed)=
3280: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
3281: \@master_seq,$flag_latex_header_remove,
3282: $LaTeXwidth);
3283: $resources_printed .= ":";
3284: $print_array[$file_num].=$output;
3285: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
3286: &mt('last assignment').' '.$fullname);
3287: $flag_latex_header_remove = 'YES';
3288: $count++;
3289: if (&Apache::loncommon::connection_aborted($r)) { last; }
3290: }
3291: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3292: $result .= $print_array[0].' \end{document}';
3293: } elsif ($print_type eq 'problems_from_directory') {
3294: #prints selected problems from the subdirectory
3295: $selectionmade = 6;
3296: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
3297: @list_of_files=sort @list_of_files;
3298: my $flag_latex_header_remove = 'NO';
3299: my $rndseed=time;
3300: if ($helper->{'VARS'}->{'curseed'}) {
3301: $rndseed=$helper->{'VARS'}->{'curseed'};
3302: }
3303: for (my $i=0;$i<=$#list_of_files;$i++) {
3304:
3305: &Apache::lonenc::reset_enc();
3306:
3307: my $urlp = $list_of_files[$i];
3308: $urlp=~s|//|/|;
3309: if ($urlp=~/\//) {
3310: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
3311: $form{'rndseed'}=$rndseed;
3312: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
3313: $resources_printed .= $urlp.':';
3314: my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
3315: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3316: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3317: # Don't permanently pervert %form:
3318: my %answerform = %form;
3319: $answerform{'grade_target'}='answer';
3320: $answerform{'answer_output_mode'}='tex';
3321: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3322: $answerform{'rndseed'}=$rndseed;
3323: $resources_printed .= $urlp.':';
3324: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
3325: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3326: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
3327: } else {
3328: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3329: if ($helper->{'VARS'}->{'construction'} ne '1') {
3330: $texversion.='\vskip 0 mm \noindent ';
3331: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3332: } else {
3333: $texversion.='\vskip 0 mm \noindent\textbf{'.
3334: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
3335: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3336: }
3337: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
3338: }
3339: }
3340: #this chunk is responsible for printing the path to problem
3341:
3342: my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
3343: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
3344: if ($flag_latex_header_remove ne 'NO') {
3345: $texversion = &latex_header_footer_remove($texversion);
3346: } else {
3347: $texversion =~ s/\\end{document}//;
3348: }
3349: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3350: $texversion=&IndexCreation($texversion,$urlp);
3351: }
3352: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
3353: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
3354:
3355: }
3356: $result .= $texversion;
3357: }
3358: $flag_latex_header_remove = 'YES';
3359: }
3360: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
3361: $result .= '\end{document}';
3362: }
3363: #-------------------------------------------------------- corrections for the different page formats
3364:
3365: # Only post process if that has not been turned off e.g. by a raw latex resource.
3366:
3367: if ($do_postprocessing) {
3368: $result = &page_format_transformation($papersize,
3369: $laystyle,$numberofcolumns,
3370: $print_type,$result,
3371: $helper->{VARS}->{'assignment'},
3372: $helper->{'VARS'}->{'TABLE_CONTENTS'},
3373: $helper->{'VARS'}->{'TABLE_INDEX'},
3374: $selectionmade);
3375: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
3376: $helper->{'VARS'}->{'ANSWER_TYPE'});
3377: #if ($numberofcolumns == 1) {
3378: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
3379: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
3380: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3381: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3382: #}
3383: }
3384:
3385: # Set URLback if this is a construction space print so we can provide
3386: # a link to the resource being edited.
3387: #
3388:
3389: my $URLback=''; #link to original document
3390: if ($helper->{'VARS'}->{'construction'} eq '1') {
3391: $URLback=$helper->{'VARS'}->{'filename'};
3392: }
3393: #
3394: # Final adjustment of the font size:
3395: #
3396:
3397: $result = set_font_size($result);
3398:
3399: # Insert any babel headers required.
3400:
3401: $result = &collect_languages($result);
3402:
3403:
3404: #-- writing .tex file in prtspool
3405: my $temp_file;
3406: my $identifier = &Apache::loncommon::get_cgi_id();
3407: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
3408: if (!($#print_array>0)) {
3409: unless ($temp_file = Apache::File->new('>'.$filename)) {
3410: $r->log_error("Couldn't open $filename for output $!");
3411: return SERVER_ERROR;
3412: }
3413: print $temp_file $result;
3414: my $begin=index($result,'\begin{document}',0);
3415: my $inc=substr($result,0,$begin+16);
3416: } else {
3417: my $begin=index($result,'\begin{document}',0);
3418: my $inc=substr($result,0,$begin+16);
3419: for (my $i=0;$i<=$#print_array;$i++) {
3420: if ($i==0) {
3421: $print_array[$i]=$result;
3422: } else {
3423: $print_array[$i].='\end{document}';
3424: $print_array[$i] =
3425: &latex_corrections($number_of_columns,$print_array[$i],
3426: $selectionmade,
3427: $helper->{'VARS'}->{'ANSWER_TYPE'});
3428:
3429: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
3430: substr($print_array[$i],0,$anobegin)='';
3431: $print_array[$i]=$inc.$print_array[$i];
3432: }
3433: my $temp_file;
3434: my $newfilename=$filename;
3435: my $num=$i+1;
3436: $newfilename =~s/\.tex$//;
3437: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
3438: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
3439: $r->log_error("Couldn't open $newfilename for output $!");
3440: return SERVER_ERROR;
3441: }
3442: print $temp_file $print_array[$i];
3443: }
3444: }
3445: my $student_names='';
3446: if ($#print_array>0) {
3447: for (my $i=0;$i<=$#print_array;$i++) {
3448: $student_names.=$student_names[$i].'_ENDPERSON_';
3449: }
3450: } else {
3451: if ($#student_names>-1) {
3452: $student_names=$student_names[0].'_ENDPERSON_';
3453: } else {
3454: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
3455: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
3456: $env{'request.course.sec'},$fullname).
3457: '_ENDPERSON_'.'_END_';
3458: }
3459: }
3460:
3461: # logic for now is too complex to trace if this has been defined
3462: # yet.
3463: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3464: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3465: &Apache::lonnet::appenv({'cgi.'.$identifier.'.file' => $filename,
3466: 'cgi.'.$identifier.'.layout' => $laystyle,
3467: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
3468: 'cgi.'.$identifier.'.paper' => $papersize,
3469: 'cgi.'.$identifier.'.selection' => $selectionmade,
3470: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
3471: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
3472: 'cgi.'.$identifier.'.role' => $perm{'pav'},
3473: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
3474: 'cgi.'.$identifier.'.studentnames' => $student_names,
3475: 'cgi.'.$identifier.'.backref' => $URLback,});
3476: &Apache::lonnet::appenv({"cgi.$identifier.user" => $env{'user.name'},
3477: "cgi.$identifier.domain" => $env{'user.domain'},
3478: "cgi.$identifier.courseid" => $cnum,
3479: "cgi.$identifier.coursedom" => $cdom,
3480: "cgi.$identifier.resources" => $resources_printed});
3481:
3482: my $end_page = &Apache::loncommon::end_page();
3483: my $continue_text = &mt('Continue');
3484: # If there's been an unrecoverable SSI error, report it to the user
3485: if ($ssi_error) {
3486: my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
3487: $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
3488: &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
3489: '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
3490: '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
3491: &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
3492: '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
3493: &mt('We apologize for the inconvenience.').'</p>'.
3494: '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
3495: } else {
3496: $r->print(<<FINALEND);
3497: <br />
3498: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
3499: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
3500: $end_page
3501: FINALEND
3502: } # endif ssi errors.
3503: }
3504:
3505:
3506: sub get_CODE {
3507: my ($all_codes,$num,$seed,$size,$type)=@_;
3508: my $max='1'.'0'x$size;
3509: my $newcode;
3510: while(1) {
3511: $newcode=sprintf("%0".$size."d",int(rand($max)));
3512: if (!exists($$all_codes{$newcode})) {
3513: $$all_codes{$newcode}=1;
3514: if ($type eq 'number' ) {
3515: return $newcode;
3516: } else {
3517: return &num_to_letters($newcode);
3518: }
3519: }
3520: }
3521: }
3522:
3523: sub print_resources {
3524: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
3525: $LaTeXwidth)=@_;
3526: my $current_output = '';
3527: my $printed = '';
3528: my ($username,$userdomain,$usersection) = split /:/,$person;
3529: my $fullname = &get_name($username,$userdomain);
3530: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
3531:
3532:
3533:
3534: #
3535: # Figure out if we need to filter the output by
3536: # the incomplete problems for that person
3537: #
3538: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
3539: my $print_incomplete = 0;
3540: if (($print_type eq 'map_incomplete_problems_people_seq') ||
3541: ($print_type eq 'incomplete_problems_selpeople_course')) {
3542: $print_incomplete = 1;
3543: }
3544: if ($person eq 'anonymous') {
3545: $namepostfix .=&mt('Name:')." ";
3546: $fullname = "CODE - ".$moreenv->{'CODE'};
3547: }
3548:
3549: # Fullname may have special latex characters that need \ prefixing:
3550: #
3551:
3552: my $i = 0;
3553: my $actually_printed = 0; # Count of resources printed.
3554: #goes through all resources, checks if they are available for
3555: #current student, and produces output
3556:
3557: &Apache::lonxml::clear_problem_counter();
3558: my %page_breaks = &get_page_breaks($helper);
3559: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
3560: #
3561: # end each student with a
3562: # Special that allows the post processor to even out the page
3563: # counts later. Nasty problem this... it would be really
3564: # nice to put the special in as a postscript comment
3565: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
3566: # The special gets passed the \ and dvips puts it in the output file
3567: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
3568: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
3569: #
3570:
3571: my $syllabus_first = 0;
3572: my $current_assignment = "";
3573: my $assignment;
3574: my $courseidinfo = &get_course();
3575:
3576: foreach my $curresline (@{$master_seq}) {
3577: if (defined $page_breaks{$curresline}) {
3578: if($i != 0) {
3579: $current_output.= "\\newpage\n";
3580: }
3581: }
3582: $current_output .= &get_extra_vspaces($helper, $curresline);
3583: $i++;
3584: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
3585:
3586: # See if we need to emit a new header:
3587:
3588: if ( !($type eq 'problems' &&
3589: ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
3590: if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
3591: next;
3592: }
3593: $actually_printed++; # we're going to print one.
3594: if (&Apache::lonnet::allowed('bre',$res_url)) {
3595: if ($res_url!~m|^ext/|
3596: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
3597: $printed .= $curresline.':';
3598: &Apache::lonxml::remember_problem_counter();
3599:
3600: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3601: if ($res_url =~ /\.page$/) {
3602: if ($remove_latex_header eq 'NO') {
3603: if (!($rendered =~ /\\begin\{document\}/)) {
3604: $rendered = &print_latex_header().$rendered;
3605: }
3606: }
3607: ;
3608: if ($remove_latex_header eq 'YES') {
3609: $rendered = &latex_header_footer_remove($rendered);
3610: } else {
3611: $rendered =~ s/\\end{document}\d*//;
3612: }
3613: }
3614: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3615: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3616: # Use a copy of the hash so we don't pervert it on future loop passes.
3617: my %answerenv = %{$moreenv};
3618: $answerenv{'answer_output_mode'}='tex';
3619:
3620:
3621: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3622:
3623: &Apache::lonxml::restore_problem_counter();
3624:
3625: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
3626:
3627: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3628: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
3629: } else {
3630:
3631:
3632: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3633: unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
3634: $header =~ s/\\begin{document}//; #<<<<<
3635: }
3636: my $title = &Apache::lonnet::gettitle($curresline);
3637: $title = &Apache::lonxml::latex_special_symbols($title);
3638: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
3639: $body .=&path_to_problem($res_url,$LaTeXwidth);
3640: $body .='\vskip 1 mm '.$ansrendered;
3641: $body = &encapsulate_minipage($body);
3642: $rendered = $header.$body;
3643: }
3644: }
3645: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3646: my $url = &Apache::lonnet::clutter($res_url);
3647: my $annotation = &annotate($url);
3648: $rendered =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
3649: }
3650: my $junk;
3651: if ($remove_latex_header eq 'YES') {
3652: $rendered = &latex_header_footer_remove($rendered);
3653: } else {
3654: $rendered =~ s/\\end{document}//;
3655: }
3656: $current_output .= $rendered;
3657: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
3658: if ($i == 1) {
3659: $syllabus_first = 1;
3660: }
3661: $printed .= $curresline.':';
3662: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3663: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3664: my $url = &Apache::lonnet::clutter($res_url);
3665: my $annotation = &annotate($url);
3666: $annotation =~ s/(\\end{document})/$annotation$1/;
3667: }
3668: if ($remove_latex_header eq 'YES') {
3669: $rendered = &latex_header_footer_remove($rendered);
3670: } else {
3671: $rendered =~ s/\\end{document}//;
3672: }
3673: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
3674: } elsif($res_url = ~/\.pdf$/) {
3675: my $url = &Apache::lonnet::clutter($res_url);
3676: my $rendered = &include_pdf($url);
3677: if ($remove_latex_header ne 'NO') {
3678: $rendered = &latex_header_footer_remove($rendered);
3679: }
3680: $current_output .= $rendered;
3681: } else {
3682: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
3683: if ($remove_latex_header ne 'NO') {
3684: $rendered = &latex_header_footer_remove($rendered);
3685: } else {
3686: $rendered =~ s/\\end{document}//;
3687: }
3688: $current_output .= $rendered;
3689: }
3690: }
3691: $remove_latex_header = 'YES';
3692: }
3693: $assignment = &Apache::lonxml::latex_special_symbols(
3694: &Apache::lonnet::gettitle($map), 'header');
3695: if (($assignment ne $current_assignment) && ($assignment ne "")) {
3696: my $header_line = &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3697: $assignment, $courseidinfo,
3698: $fullname, $usersection);
3699: my $header_start = ($columns_in_format == 1) ? '\lhead'
3700: : '\fancyhead[LO]';
3701: $header_line = $header_start.'{'.$header_line.'}';
3702: $current_output = $current_output . $header_line;
3703: $current_assignment = $assignment;
3704: }
3705:
3706: if (&Apache::loncommon::connection_aborted($r)) { last; }
3707: }
3708: # If we are printing incomplete it's possible we don't have
3709: # anything to print. The print subsystem is not so good at handling
3710: # that so we're going to generate a stub that says there are no
3711: # incomplete resources for the person.
3712: #
3713:
3714: if ($actually_printed == 0) {
3715: $current_output = &encapsulate_minipage("\\vskip -10mm \nNo incomplete resources\n \\vskip 100 mm { }\n");
3716: if ($remove_latex_header eq "NO") {
3717: $current_output = &print_latex_header() . $current_output;
3718: } else {
3719: $current_output = &latex_header_footer_remove($current_output);
3720: }
3721: }
3722:
3723: if ($syllabus_first) {
3724: $current_output =~ s/\\\\ Last updated:/Last updated:/
3725: }
3726: if (0) {
3727: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
3728: my $header_line =
3729: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3730: $currentassignment, $courseidinfo, $fullname, $usersection);
3731: my $header_start = ($columns_in_format == 1) ? '\lhead'
3732: : '\fancyhead[LO]';
3733: $header_line = $header_start.'{'.$header_line.'}';
3734: }
3735: if ($current_output=~/\\documentclass/) {
3736: # $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
3737: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$namepostfix}\\vskip 5 mm /;
3738:
3739: } else {
3740: my $blankpages =
3741: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
3742:
3743: # $current_output = '\strut\vspace*{-6 mm}\\newline'.
3744: # ©right_line().' \newpage '.$blankpages.$end_of_student.
3745: # '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
3746: # $header_line.$namepostfix. '} \vskip 5 mm '.$current_output;
3747: $current_output = '\strut\vspace*{-6 mm}\\newline'.
3748: ©right_line().' \newpage '.$blankpages.$end_of_student.
3749: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'
3750: .$namepostfix. '} \vskip 5 mm '.$current_output;
3751:
3752: }
3753: #
3754: # Close the student bracketing.
3755: #
3756: return ($current_output,$fullname, $printed);
3757:
3758: }
3759:
3760: sub printing_blocked {
3761: my ($r,$blocktext) = @_;
3762: my $title = &mt('Preparing Printout');
3763: &Apache::lonhtmlcommon::clear_breadcrumbs();
3764: &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout',
3765: text=> $title});
3766: my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
3767: &Apache::loncommon::content_type($r,'text/html');
3768: &Apache::loncommon::no_cache($r);
3769: $r->send_http_header;
3770: $r->print(&Apache::loncommon::start_page('Preparing Printout').
3771: $breadcrumbs.
3772: $blocktext.
3773: &Apache::loncommon::end_page());
3774: return;
3775: }
3776:
3777: sub handler {
3778:
3779: my $r = shift;
3780:
3781: if ($env{'request.course.id'}) {
3782: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3783: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3784: my ($blocked,$blocktext) =
3785: &Apache::loncommon::blocking_status('printout',$cnum,$cdom);
3786: if ($blocked) {
3787: my $checkrole = "cm./$cdom/$cnum";
3788: if ($env{'request.course.sec'} ne '') {
3789: $checkrole .= "/$env{'request.course.sec'}";
3790: }
3791: unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
3792: ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
3793: &printing_blocked($r,$blocktext);
3794: return OK;
3795: }
3796: }
3797: }
3798:
3799: &init_perm();
3800:
3801: my $helper = printHelper($r);
3802: if (!ref($helper)) {
3803: return $helper;
3804: }
3805:
3806:
3807: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
3808:
3809:
3810:
3811:
3812: # If a figure conversion queue file exists for this user.domain
3813: # we delete it since it can only be bad (if it were good, printout.pl
3814: # would have deleted it the last time around.
3815:
3816: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
3817: if(-e $conversion_queuefile) {
3818: unlink $conversion_queuefile;
3819: }
3820:
3821:
3822: &output_data($r,$helper,\%parmhash);
3823: return OK;
3824: }
3825:
3826: use Apache::lonhelper;
3827:
3828: sub addMessage {
3829: my $text = shift;
3830: my $paramHash = Apache::lonhelper::getParamHash();
3831: $paramHash->{MESSAGE_TEXT} = $text;
3832: Apache::lonhelper::message->new();
3833: }
3834:
3835:
3836:
3837: sub init_perm {
3838: undef(%perm);
3839: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
3840: if (!$perm{'pav'}) {
3841: $perm{'pav'}=&Apache::lonnet::allowed('pav',
3842: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3843: }
3844: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
3845: if (!$perm{'pfo'}) {
3846: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
3847: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3848: }
3849: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
3850: if (!$perm{'vgr'}) {
3851: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
3852: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3853: }
3854: }
3855:
3856: sub get_randomly_ordered_warning {
3857: my ($helper,$map) = @_;
3858:
3859: my $message;
3860:
3861: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
3862: my $navmap = Apache::lonnavmaps::navmap->new();
3863: if (defined($navmap)) {
3864: my $res = $navmap->getResourceByUrl($map);
3865: if ($res) {
3866: my $func =
3867: sub { return ($_[0]->is_map() && $_[0]->randomorder); };
3868: my @matches = $navmap->retrieveResources($res, $func,1,1,1);
3869:
3870: }
3871: } else {
3872: $message = "Retrieval of information about ordering of resources failed.";
3873: return '<message type="warning">'.$message.'</message>';
3874: }
3875: return;
3876: }
3877:
3878: sub printHelper {
3879: my $r = shift;
3880:
3881: if ($r->header_only) {
3882: if ($env{'browser.mathml'}) {
3883: &Apache::loncommon::content_type($r,'text/xml');
3884: } else {
3885: &Apache::loncommon::content_type($r,'text/html');
3886: }
3887: $r->send_http_header;
3888: return OK;
3889: }
3890:
3891: # Send header, nocache
3892: if ($env{'browser.mathml'}) {
3893: &Apache::loncommon::content_type($r,'text/xml');
3894: } else {
3895: &Apache::loncommon::content_type($r,'text/html');
3896: }
3897: &Apache::loncommon::no_cache($r);
3898: $r->send_http_header;
3899: $r->rflush();
3900:
3901: # Unfortunately, this helper is so complicated we have to
3902: # write it by hand
3903:
3904: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
3905:
3906: my $helper = Apache::lonhelper::helper->new("Printing Helper");
3907: $helper->declareVar('symb');
3908: $helper->declareVar('postdata');
3909: $helper->declareVar('curseed');
3910: $helper->declareVar('probstatus');
3911: $helper->declareVar('filename');
3912: $helper->declareVar('construction');
3913: $helper->declareVar('assignment');
3914: $helper->declareVar('style_file');
3915: $helper->declareVar('student_sort');
3916: $helper->declareVar('FINISHPAGE');
3917: $helper->declareVar('PRINT_TYPE');
3918: $helper->declareVar("showallfoils");
3919: $helper->declareVar("STUDENTS");
3920: $helper->declareVar("EXTRASPACE");
3921:
3922:
3923:
3924:
3925: # The page breaks and extra spaces
3926: # can get loaded initially from the course environment:
3927: # But we only do this in the initial state so that they are allowed to change.
3928: #
3929:
3930:
3931: &Apache::loncommon::restore_course_settings('print',
3932: {'pagebreaks' => 'scalar',
3933: 'extraspace' => 'scalar',
3934: 'extraspace_units' => 'scalar',
3935: 'lastprinttype' => 'scalar'});
3936:
3937: # This will persistently load in the data we want from the
3938: # very first screen.
3939:
3940: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
3941: if (!defined ($env{"form.CURRENT_STATE"})) {
3942:
3943: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
3944: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
3945: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
3946: } else {
3947: my $state = $env{"form.CURRENT_STATE"};
3948: if ($state eq "START") {
3949: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
3950: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
3951: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
3952:
3953: }
3954: }
3955:
3956: }
3957:
3958: # Detect whether we're coming from construction space
3959: if ($env{'form.postdata'}=~m{^/priv}) {
3960: $helper->{VARS}->{'filename'} = $env{'form.postdata'};
3961: $helper->{VARS}->{'construction'} = 1;
3962: } else {
3963: if ($env{'form.postdata'}) {
3964: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
3965: if ( $helper->{VARS}->{'symb'} eq '') {
3966: $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
3967: }
3968: }
3969: if ($env{'form.symb'}) {
3970: $helper->{VARS}->{'symb'} = $env{'form.symb'};
3971: }
3972: if ($env{'form.url'}) {
3973: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
3974: }
3975:
3976: }
3977:
3978: if ($env{'form.symb'}) {
3979: $helper->{VARS}->{'symb'} = $env{'form.symb'};
3980: }
3981: if ($env{'form.url'}) {
3982: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
3983:
3984: }
3985: $helper->{VARS}->{'symb'}=
3986: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
3987: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
3988: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
3989:
3990:
3991: # Extract map
3992: my $symb = $helper->{VARS}->{'symb'};
3993: my ($map, $id, $url);
3994: my $subdir;
3995: my $is_published=0; # True when printing from resource space.
3996: my $res_printable = 1; # By default the current resource is printable.
3997: my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
3998: my $res_printstartdate;
3999: my $res_printenddate;
4000: my $map_open = 0;
4001: my $map_close = 0xffffffff;
4002: my $course_open = 0;
4003: my $course_close = 0xffffffff;
4004:
4005: # Get the resource name from construction space
4006: if ($helper->{VARS}->{'construction'}) {
4007: $resourceTitle = substr($helper->{VARS}->{'filename'},
4008: rindex($helper->{VARS}->{'filename'}, '/')+1);
4009: $subdir = substr($helper->{VARS}->{'filename'},
4010: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
4011: } else {
4012: # From course space:
4013:
4014: if ($symb ne '') {
4015: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
4016: $helper->{VARS}->{'postdata'} =
4017: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
4018: my $navmap = Apache::lonnavmaps::navmap->new();
4019: my $res = $navmap->getBySymb($symb);
4020: $res_printable = $res->resprintable() | $userCanPrint; #printability in course context
4021: ($res_printstartdate, $res_printenddate) = &get_print_dates($res);
4022: ($course_open, $course_close) = &course_print_dates($res);
4023: ($map_open, $map_close) = &map_print_dates($res);
4024:
4025: } else {
4026: # Resource space.
4027:
4028: $url = $helper->{VARS}->{'postdata'};
4029: $is_published=1; # From resource space.
4030: }
4031: $url = &Apache::lonnet::clutter($url);
4032: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
4033: my $postdata = $helper->{VARS}->{'postdata'};
4034: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
4035: }
4036: $subdir = &Apache::lonnet::filelocation("", $url);
4037:
4038:
4039: }
4040: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
4041: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
4042: }
4043:
4044: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4045: $helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
4046: }
4047:
4048: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
4049:
4050: Apache::lonhelper::registerHelperTags();
4051:
4052: # "Delete everything after the last slash."
4053: $subdir =~ s|/[^/]+$||;
4054:
4055: # What can be printed is a very dynamic decision based on
4056: # lots of factors. So we need to dynamically build this list.
4057: # To prevent security leaks, states are only added to the wizard
4058: # if they can be reached, which ensures manipulating the form input
4059: # won't allow anyone to reach states they shouldn't have permission
4060: # to reach.
4061:
4062: # printChoices is tracking the kind of printing the user can
4063: # do, and will be used in a choices construction later.
4064: # In the meantime we will be adding states and elements to
4065: # the helper by hand.
4066: my $printChoices = [];
4067: my $paramHash;
4068:
4069: # If there is a current resource and it is printable
4070: # Give that as a choice.
4071:
4072: if ($resourceTitle && $res_printable) {
4073: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
4074: }
4075:
4076: # Useful filter strings
4077:
4078: my $isPrintable = ' && $res->resprintable()';
4079:
4080: my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
4081: $isProblem .= $isPrintable unless $userCanPrint;
4082: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
4083: my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
4084: $isProblemOrMap .= $isPrintable unless $userCanPrint;
4085: my $isNotMap = '(!$res->is_sequence())';
4086: $isNotMap .= $isPrintable unless $userCanPrint;
4087: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
4088: my $isMap = '$res->is_map()';
4089: $isMap .= $isPrintable unless $userCanPrint;
4090: my $symbFilter = '$res->shown_symb() ';
4091: my $urlValue = '$res->link()';
4092:
4093: $helper->declareVar('SEQUENCE');
4094:
4095: # If we're in a sequence...
4096:
4097: my $start_new_option;
4098: if ($perm{'pav'}) {
4099: $start_new_option =
4100: "<option text='".&mt('Start new page<br />before selected').
4101: "' variable='FINISHPAGE' />".
4102: "<option text='".&mt('Extra space<br />before selected').
4103: "' variable='EXTRASPACE' type='text' />" .
4104: "<option " .
4105: "' variable='POSSIBLE_RESOURCES' type='hidden' />".
4106: "<option text='".&mt('Space units<br />check for mm').
4107: "' variable='EXTRASPACE_UNITS' type='checkbox' />"
4108: ;
4109:
4110:
4111: }
4112:
4113: # If not construction space user can print the components of a page:
4114:
4115: my $page_ispage;
4116: my $page_title;
4117: if (!$helper->{VARS}->{'construction'}) {
4118: my $varspostdata = $helper->{VARS}->{'postdata'};
4119: my $varsassignment = $helper->{VARS}->{'assignment'};
4120: my $page_navmap = Apache::lonnavmaps::navmap->new();
4121: if (defined($page_navmap)) {
4122: my @page_resources = $page_navmap->retrieveResources($url);
4123: if(defined($page_resources[0])) {
4124: $page_ispage = $page_resources[0]->is_page();
4125: $page_title = $page_resources[0]->title();
4126: my $resourcesymb = $page_resources[0]->symb();
4127: my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
4128: if ($page_ispage) {
4129: push @{$printChoices},
4130: [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4131: 'map_problems_in_page',
4132: 'CHOOSE_PROBLEMS_PAGE'];
4133: push @{$printChoices},
4134: [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4135: 'map_resources_in_page',
4136: 'CHOOSE_RESOURCES_PAGE'];
4137: }
4138: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
4139: 'Select Problem(s) to print',
4140: "multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
4141: 'RESOURCES',
4142: 'PAGESIZE',
4143: $url,
4144: $isProblem, '', $symbFilter,
4145: $start_new_option);
4146:
4147:
4148: $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
4149: 'Select Resource(s) to print',
4150: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4151: 'RESOURCES',
4152: 'PAGESIZE',
4153: $url,
4154: $isNotMap, '', $symbFilter,
4155: $start_new_option);
4156:
4157:
4158:
4159:
4160:
4161: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4162:
4163: }
4164: }
4165: }
4166:
4167: if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
4168: $helper->{VARS}->{'postdata'} &&
4169: $helper->{VARS}->{'assignment'}) {
4170:
4171: # BZ 5209 - Print incomplete problems from sequence:
4172: # the exact form of this depends on whether or not we are privileged or a mere
4173: # plebe of s student:
4174:
4175: my $printSelector = 'map_incomplete_problems_seq';
4176: my $nextState = 'CHOOSE_INCOMPLETE_SEQ';
4177: my $textSuffix = '';
4178:
4179: if ($userCanPrint) {
4180: $printSelector = 'map_incomplete_problems_people_seq';
4181: $nextState = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
4182: $textSuffix = ' for selected students';
4183: my $helperStates =
4184: &create_incomplete_folder_selstud_helper($helper, $map);
4185: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4186: } else {
4187: if (&printable($map_open, $map_close)) {
4188: my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student.
4189: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4190: } else {
4191: # TODO: Figure out how to break the news...this folder is not printable.
4192: }
4193: }
4194:
4195: if ($userCanPrint || &printable($map_open, $map_close)) {
4196: push(@{$printChoices},
4197: [&mt('Selected [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
4198: '<b>', '</b>',
4199: '<b><i>'. $sequenceTitle . '</b></i>'),
4200: $printSelector,
4201: $nextState]);
4202: }
4203: # Allow problems from sequence
4204: if ($userCanPrint || &printable($map_open, $map_close)) {
4205: push @{$printChoices},
4206: [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4207: 'map_problems',
4208: 'CHOOSE_PROBLEMS'];
4209: # Allow all resources from sequence
4210: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4211: 'map_problems_pages',
4212: 'CHOOSE_PROBLEMS_HTML'];
4213: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
4214: 'Select Problem(s) to print',
4215: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4216: 'RESOURCES',
4217: 'PAGESIZE',
4218: $map,
4219: ! $isProblem, '',
4220: $symbFilter,
4221: $start_new_option);
4222: $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
4223: 'Select Resource(s) to print',
4224: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4225: 'RESOURCES',
4226: 'PAGESIZE',
4227: $map,
4228: $isNotMap, '',
4229: $symbFilter,
4230: $start_new_option);
4231:
4232: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4233: } else {
4234: # TODO: Figure out how to tell them the folder is not printable.
4235: }
4236: }
4237: # If the user has pfo (print for others) allow them to print all
4238: # problems and resources in the entire course, optionally for selected students
4239: my $post_data = $helper->{VARS}->{'postdata'};
4240:
4241: if ($perm{'pfo'} && !$is_published &&
4242: ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
4243:
4244: # BZ 5209 - incomplete problems from entire course:
4245:
4246: push(@{$printChoices},
4247: [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
4248: 'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
4249: my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
4250:
4251: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4252:
4253: # Selected problems/resources from entire course:
4254:
4255: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
4256: push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
4257: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
4258: my $suffixXml = <<ALL_PROBLEMS;
4259: <state name="STUDENTS1" title="Select People">
4260: <message><b>Select sorting order of printout</b> </message>
4261: <choices variable='student_sort'>
4262: <choice computer='0'>Sort by section then student</choice>
4263: <choice computer='1'>Sort by students across sections.</choice>
4264: </choices>
4265: <message><br /><hr /><br /> </message>
4266: <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
4267: </state>
4268: ALL_PROBLEMS
4269: &Apache::lonxml::xmlparse($r, 'helper',
4270: &generate_resource_chooser('ALL_PROBLEMS',
4271: 'SelectProblem(s) to print',
4272: 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
4273: 'RESOURCES',
4274: 'PAGESIZE',
4275: '',
4276: $isProblemOrMap, $isNotMap,
4277: $symbFilter,
4278: $start_new_option) .
4279: &generate_resource_chooser('ALL_RESOURCES',
4280: 'Select Resource(s) to print',
4281: " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
4282: 'RESOURCES',
4283: 'PAGESIZE',
4284: '',
4285: $isNotMap,'',$symbFilter,
4286: $start_new_option) .
4287: &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
4288: 'Select Problem(s) to print',
4289: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
4290: 'RESOURCES',
4291: 'STUDENTS1',
4292: '',
4293: $isProblemOrMap,'' , $symbFilter,
4294: $start_new_option) .
4295: $suffixXml
4296: );
4297:
4298: if ($helper->{VARS}->{'assignment'}) {
4299:
4300: # If we were looking at a page, allow a selection of problems from the page
4301: # either for selected students or for coded assignments.
4302:
4303: if ($page_ispage) {
4304: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
4305: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4306: 'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
4307: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
4308: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4309: 'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
4310: }
4311: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
4312: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4313: 'problems_for_students', 'CHOOSE_STUDENTS'];
4314: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
4315: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4316: 'problems_for_anon', 'CHOOSE_ANON1'];
4317: }
4318:
4319: my $randomly_ordered_warning =
4320: &get_randomly_ordered_warning($helper, $map);
4321:
4322: # resource_selector will hold a few states that:
4323: # - Allow resources to be selected for printing.
4324: # - Determine pagination between assignments.
4325: # - Determine how many assignments should be bundled into a single PDF.
4326: # TODO:
4327: # Probably good to do things like separate this up into several vars, each
4328: # with one state, and use REGEXPs at inclusion time to set state names
4329: # and next states for better mix and match capability
4330: #
4331: my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
4332: 'Select resources to print',
4333: 'multichoice="1" addstatus="1" closeallpages="1"',
4334: 'RESOURCES',
4335: 'PRINT_FORMATTING',
4336: $map,
4337: $isProblem, '', $symbFilter,
4338: $start_new_option);
4339: $resource_selector .= &generate_format_selector($helper,
4340: 'How should results be printed?',
4341: 'PRINT_FORMATTING').
4342: &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
4343: 'Select Problem(s) to print',
4344: "multichoice='1' addstatus='1' closeallpages ='1'",
4345: 'RESOURCES',
4346: 'PRINT_FORMATTING',
4347: $url,
4348: $isProblem, '', $symbFilter,
4349: $start_new_option);
4350:
4351:
4352: # Generate student choosers.
4353:
4354:
4355:
4356: &Apache::lonxml::xmlparse($r, 'helper',
4357: &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
4358: 'student_sort',
4359: 'STUDENTS',
4360: 'CHOOSE_STUDENTS_PAGE'));
4361: &Apache::lonxml::xmlparse($r, 'helper',
4362: &generate_student_chooser('CHOOSE_STUDENTS',
4363: 'student_sort',
4364: 'STUDENTS',
4365: 'SELECT_PROBLEMS'));
4366: &Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
4367:
4368: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4369: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4370: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
4371: my $namechoice='<choice></choice>';
4372: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
4373: if ($name =~ /^error: 2 /) { next; }
4374: if ($name =~ /^type\0/) { next; }
4375: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
4376: }
4377:
4378:
4379: my %code_values;
4380: my %codes_to_print;
4381: foreach my $key (@names) {
4382: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
4383: foreach my $key (keys(%code_values)) {
4384: $codes_to_print{$key} = 1;
4385: }
4386: }
4387:
4388: my $code_selection;
4389: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
4390: my $choice = $code;
4391: if ($code =~ /^[A-Z]+$/) { # Alpha code
4392: $choice = &letters_to_num($code);
4393: }
4394: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
4395: }
4396: if (%codes_to_print) {
4397: $code_selection .='
4398: <message><b>Choose single CODE from list:</b></message>
4399: <message></td><td></message>
4400: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
4401: <choice></choice>
4402: <exec>
4403: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
4404: </exec>
4405: </dropdown>
4406: <message></td></tr><tr><td></message>
4407: '.$/;
4408:
4409: }
4410:
4411: my @lines = &Apache::grades::get_scantronformat_file();
4412: my $codechoice='';
4413: foreach my $line (@lines) {
4414: my ($name,$description,$code_type,$code_length)=
4415: (split(/:/,$line))[0,1,2,4];
4416: if ($code_length > 0 &&
4417: $code_type =~/^(letter|number|-1)/) {
4418: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
4419: }
4420: }
4421: if ($codechoice eq '') {
4422: $codechoice='<choice computer="default">Default</choice>';
4423: }
4424: my $anon1 = &generate_code_selector($helper,
4425: 'CHOOSE_ANON1',
4426: 'SELECT_PROBLEMS',
4427: $codechoice,
4428: $code_selection,
4429: $namechoice) . $resource_selector;
4430:
4431:
4432: &Apache::lonxml::xmlparse($r, 'helper',$anon1);
4433:
4434: my $anon_page = &generate_code_selector($helper,
4435: 'CHOOSE_ANON1_PAGE',
4436: 'SELECT_PROBLEMS_PAGE',
4437: $codechoice,
4438: $code_selection,
4439: $namechoice) .
4440: &generate_resource_chooser('SELECT_PROBLEMS_PAGE',
4441: 'Select Problem(s) to print',
4442: "multichoice='1' addstatus='1' closeallpages ='1'",
4443: 'RESOURCES',
4444: 'PRINT_FORMATTING',
4445: $url,
4446: $isProblem, '', $symbFilter,
4447: $start_new_option);
4448: &Apache::lonxml::xmlparse($r, 'helper', $anon_page);
4449:
4450:
4451: if ($helper->{VARS}->{'assignment'}) {
4452:
4453: # Assignment printing:
4454:
4455: 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'];
4456: 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'];
4457: }
4458:
4459:
4460: $resource_selector=<<RESOURCE_SELECTOR;
4461: <state name="SELECT_RESOURCES" title="Select Resources">
4462: $randomly_ordered_warning
4463: <nextstate>PRINT_FORMATTING</nextstate>
4464: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
4465: <resource variable="RESOURCES" multichoice="1" addstatus="1"
4466: closeallpages="1">
4467: <filterfunc>return $isNotMap;</filterfunc>
4468: <mapurl>$map</mapurl>
4469: <valuefunc>return $symbFilter;</valuefunc>
4470: $start_new_option
4471: </resource>
4472: </state>
4473: RESOURCE_SELECTOR
4474:
4475: $resource_selector .= &generate_format_selector($helper,
4476: 'Format of the print job',
4477: 'PRINT_FORMATTING');
4478: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
4479: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
4480: <choices variable='student_sort'>
4481: <choice computer='0'>Sort by section then student</choice>
4482: <choice computer='1'>Sort by students across sections.</choice>
4483: </choices>
4484: <message><br /><hr /><br /></message>
4485: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
4486:
4487: </state>
4488: $resource_selector
4489: CHOOSE_STUDENTS1
4490:
4491: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
4492: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
4493: <nextstate>SELECT_RESOURCES</nextstate>
4494: <message><h4>Fill out one of the forms below</h4></message>
4495: <message><br /><hr /> <br /></message>
4496: <message><h3>Generate new CODEd Assignments</h3></message>
4497: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
4498: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
4499: <validator>
4500: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
4501: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4502: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
4503: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4504: return "You need to specify the number of assignments to print";
4505: }
4506: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
4507: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
4508: return 'Specifying number of codes to print and a specific code is not compatible';
4509: }
4510: return undef;
4511: </validator>
4512: </string>
4513: <message></td></tr><tr><td></message>
4514: <message><b>Names to save the CODEs under for later:</b></message>
4515: <message></td><td></message>
4516: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
4517: <message></td></tr><tr><td></message>
4518: <message><b>Bubblesheet type:</b></message>
4519: <message></td><td></message>
4520: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
4521: $codechoice
4522: </dropdown>
4523: <message></td></tr><tr><td></table></message>
4524: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
4525: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
4526: <string variable="SINGLE_CODE" size="10">
4527: <validator>
4528: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
4529: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4530: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4531: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
4532: \$helper->{'VARS'}{'CODE_OPTION'});
4533: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
4534: return 'Specifying a code name is incompatible specifying number of codes.';
4535: } else {
4536: return undef; # Other forces control us.
4537: }
4538: </validator>
4539: </string>
4540: <message></td></tr><tr><td></message>
4541: $code_selection
4542: <message></td></tr></table></message>
4543: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
4544: <message><b>Select saved CODEs:</b></message>
4545: <message></td><td></message>
4546: <dropdown variable="REUSE_OLD_CODES">
4547: $namechoice
4548: </dropdown>
4549: <message></td></tr></table></message>
4550: </state>
4551: $resource_selector
4552: CHOOSE_ANON2
4553: }
4554:
4555: # FIXME: That RE should come from a library somewhere.
4556: if (($perm{'pav'}
4557: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
4558: && (defined($helper->{'VARS'}->{'construction'})
4559: ||
4560: (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
4561: &&
4562: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
4563: ))
4564: && $helper->{VARS}->{'assignment'} eq ""
4565: ) {
4566: my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
4567: 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'];
4568: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
4569: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
4570:
4571: <files variable="FILES" multichoice='1'>
4572: <nextstate>PAGESIZE</nextstate>
4573: <filechoice>return '$subdir';</filechoice>
4574: CHOOSE_FROM_SUBDIR
4575:
4576: # this is broken up because I really want interpolation above,
4577: # and I really DON'T want it below
4578: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
4579: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
4580: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
4581: </filefilter>
4582: </files>
4583: </state>
4584: CHOOSE_FROM_SUBDIR
4585: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4586: }
4587:
4588: # Allow the user to select any sequence in the course, feed it to
4589: # another resource selector for that sequence
4590: if (!$helper->{VARS}->{'construction'} && !$is_published) {
4591: push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
4592: 'select_sequences', 'CHOOSE_SEQUENCE'];
4593: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
4594: #Escape apostrophes and backslashes for Perl
4595: $escapedSequenceName =~ s/\\/\\\\/g;
4596: $escapedSequenceName =~ s/'/\\'/g;
4597: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
4598: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
4599: <message>Select the sequence to print resources from:</message>
4600: <resource variable="SEQUENCE">
4601: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
4602: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
4603: <valuefunc>return $urlValue;</valuefunc>
4604: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
4605: </choicefunc>
4606: </resource>
4607: </state>
4608: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
4609: <message>(mark desired resources then click "next" button) <br /></message>
4610: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
4611: closeallpages="1">
4612: <nextstate>PAGESIZE</nextstate>
4613: <filterfunc>return $isNotMap</filterfunc>
4614: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
4615: <valuefunc>return $symbFilter;</valuefunc>
4616: $start_new_option
4617: </resource>
4618: </state>
4619: CHOOSE_FROM_ANY_SEQUENCE
4620: }
4621:
4622: # Generate the first state, to select which resources get printed.
4623: Apache::lonhelper::state->new("START", "Select Printing Options:");
4624: if (!$res_printable) {
4625: $paramHash = Apache::lonhelper::getParamHash();
4626: $paramHash->{MESSAGE_TEXT} =
4627: &mt('<p><b>Printing for current resource is only possible between [_1] and [_1]</b></p>',
4628: $res_printstartdate, $res_printenddate);
4629: Apache::lonhelper::message->new();
4630: }
4631: $paramHash = Apache::lonhelper::getParamHash();
4632: $paramHash = Apache::lonhelper::getParamHash();
4633: $paramHash->{MESSAGE_TEXT} = "";
4634: Apache::lonhelper::message->new();
4635: $paramHash = Apache::lonhelper::getParamHash();
4636: $paramHash->{'variable'} = 'PRINT_TYPE';
4637: $paramHash->{CHOICES} = $printChoices;
4638: Apache::lonhelper::choices->new();
4639:
4640: my $startedTable = 0; # have we started an HTML table yet? (need
4641: # to close it later)
4642:
4643: if (($perm{'pav'} and $perm{'vgr'}) or
4644: ($helper->{VARS}->{'construction'} eq '1')) {
4645: &addMessage('<br />'
4646: .'<h3>'.&mt('Print Options').'</h3>'
4647: .&Apache::lonhtmlcommon::start_pick_box()
4648: .&Apache::lonhtmlcommon::row_title(
4649: '<label for="ANSWER_TYPE_forminput">'
4650: .&mt('Print Answers')
4651: .'</label>'
4652: )
4653: );
4654: $paramHash = Apache::lonhelper::getParamHash();
4655: $paramHash->{'variable'} = 'ANSWER_TYPE';
4656: $helper->declareVar('ANSWER_TYPE');
4657: $paramHash->{CHOICES} = [
4658: ['Without Answers', 'yes'],
4659: ['With Answers', 'no'],
4660: ['Only Answers', 'only']
4661: ];
4662: Apache::lonhelper::dropdown->new();
4663: &addMessage(&Apache::lonhtmlcommon::row_closure());
4664: $startedTable = 1;
4665:
4666: #
4667: # Select font size.
4668: #
4669:
4670: $helper->declareVar('fontsize');
4671: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
4672: my $xmlfrag = << "FONT_SELECTION";
4673:
4674:
4675: <dropdown variable='fontsize' multichoice='0', allowempty='0'>
4676: <defaultvalue>
4677: return 'normalsize';
4678: </defaultvalue>
4679: <choice computer='tiny'>Tiny</choice>
4680: <choice computer='sub/superscriptsize'>Script Size</choice>
4681: <choice computer='footnotesize'>Footnote Size</choice>
4682: <choice computer='small'>Small</choice>
4683: <choice computer='normalsize'>Normal (default)</choice>
4684: <choice computer='large'>larger than normal</choice>
4685: <choice computer='Large'>Even larger than normal</choice>
4686: <choice computer='LARGE'>Still larger than normal</choice>
4687: <choice computer='huge'>huge font size</choice>
4688: <choice computer='Huge'>Largest possible size</choice>
4689: </dropdown>
4690: FONT_SELECTION
4691: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4692: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4693: }
4694:
4695: if ($perm{'pav'}) {
4696: if (!$startedTable) {
4697: addMessage("<hr width='33%' /><table><tr><td align='right'>".
4698: '<label for="LATEX_TYPE_forminput">'.
4699: &mt('LaTeX mode').
4700: "</label>: </td><td>");
4701: $startedTable = 1;
4702: } else {
4703: &addMessage(&Apache::lonhtmlcommon::row_title(
4704: '<label for="LATEX_TYPE_forminput">'
4705: .&mt('LaTeX mode')
4706: .'</label>'
4707: )
4708: );
4709: }
4710: $paramHash = Apache::lonhelper::getParamHash();
4711: $paramHash->{'variable'} = 'LATEX_TYPE';
4712: $helper->declareVar('LATEX_TYPE');
4713: if ($helper->{VARS}->{'construction'} eq '1') {
4714: $paramHash->{CHOICES} = [
4715: ['standard LaTeX mode', 'standard'],
4716: ['LaTeX batchmode', 'batchmode'], ];
4717: } else {
4718: $paramHash->{CHOICES} = [
4719: ['LaTeX batchmode', 'batchmode'],
4720: ['standard LaTeX mode', 'standard'] ];
4721: }
4722: Apache::lonhelper::dropdown->new();
4723:
4724: &addMessage(&Apache::lonhtmlcommon::row_closure()
4725: .&Apache::lonhtmlcommon::row_title(
4726: '<label for="TABLE_CONTENTS_forminput">'
4727: .&mt('Print Table of Contents')
4728: .'</label>'
4729: )
4730: );
4731: $paramHash = Apache::lonhelper::getParamHash();
4732: $paramHash->{'variable'} = 'TABLE_CONTENTS';
4733: $helper->declareVar('TABLE_CONTENTS');
4734: $paramHash->{CHOICES} = [
4735: ['No', 'no'],
4736: ['Yes', 'yes'] ];
4737: Apache::lonhelper::dropdown->new();
4738: &addMessage(&Apache::lonhtmlcommon::row_closure());
4739:
4740: if (not $helper->{VARS}->{'construction'}) {
4741: &addMessage(&Apache::lonhtmlcommon::row_title(
4742: '<label for="TABLE_INDEX_forminput">'
4743: .&mt('Print Index')
4744: .'</label>'
4745: )
4746: );
4747: $paramHash = Apache::lonhelper::getParamHash();
4748: $paramHash->{'variable'} = 'TABLE_INDEX';
4749: $helper->declareVar('TABLE_INDEX');
4750: $paramHash->{CHOICES} = [
4751: ['No', 'no'],
4752: ['Yes', 'yes'] ];
4753: Apache::lonhelper::dropdown->new();
4754: &addMessage(&Apache::lonhtmlcommon::row_closure());
4755: &addMessage(&Apache::lonhtmlcommon::row_title(
4756: '<label for="PRINT_DISCUSSIONS_forminput">'
4757: .&mt('Print Discussions')
4758: .'</label>'
4759: )
4760: );
4761: $paramHash = Apache::lonhelper::getParamHash();
4762: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
4763: $helper->declareVar('PRINT_DISCUSSIONS');
4764: $paramHash->{CHOICES} = [
4765: ['No', 'no'],
4766: ['Yes', 'yes'] ];
4767: Apache::lonhelper::dropdown->new();
4768: &addMessage(&Apache::lonhtmlcommon::row_closure());
4769:
4770: # Prompt for printing annotations too.
4771:
4772: &addMessage(&Apache::lonhtmlcommon::row_title(
4773: '<label for="PRINT_ANNOTATIONS_forminput">'
4774: .&mt('Print Annotations')
4775: .'</label>'
4776: )
4777: );
4778: $paramHash = Apache::lonhelper::getParamHash();
4779: $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
4780: $helper->declareVar("PRINT_ANNOTATIONS");
4781: $paramHash->{CHOICES} = [
4782: ['No', 'no'],
4783: ['Yes', 'yes']];
4784: Apache::lonhelper::dropdown->new();
4785: &addMessage(&Apache::lonhtmlcommon::row_closure());
4786:
4787: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
4788: $paramHash = Apache::lonhelper::getParamHash();
4789: $paramHash->{'multichoice'} = "true";
4790: $paramHash->{'allowempty'} = "true";
4791: $paramHash->{'variable'} = "showallfoils";
4792: $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
4793: Apache::lonhelper::choices->new();
4794: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4795: }
4796:
4797: if ($helper->{'VARS'}->{'construction'}) {
4798: my $stylevalue='$Apache::lonnet::env{"construct.style"}';
4799: my $randseedtext=&mt("Use random seed");
4800: my $stylefiletext=&mt("Use style file");
4801: my $selectfiletext=&mt("Select style file");
4802:
4803: my $xmlfrag .= '<message>'
4804: .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
4805: .$randseedtext
4806: .'</label>'
4807: )
4808: .'</message>
4809: <string variable="curseed" size="15" maxlength="15">
4810: <defaultvalue>
4811: return '.$helper->{VARS}->{'curseed'}.';
4812: </defaultvalue>'
4813: .'</string>'
4814: .'<message>'
4815: .&Apache::lonhtmlcommon::row_closure()
4816: .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
4817: .$stylefiletext
4818: .'</label>'
4819: )
4820: .'</message>
4821: <string variable="style_file" size="40">
4822: <defaultvalue>
4823: return '.$stylevalue.';
4824: </defaultvalue>
4825: </string><message> '
4826: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
4827: .$selectfiletext.'</a>'
4828: .&Apache::lonhtmlcommon::row_closure()
4829: .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
4830: .'</message>
4831: <choices allowempty="1" multichoice="true" variable="showallfoils">
4832: <choice computer="1"> </choice>
4833: </choices>'
4834: .'<message>'
4835: .&Apache::lonhtmlcommon::row_closure()
4836: .'</message>';
4837: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4838:
4839:
4840: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
4841: #
4842: # Initial value from construction space:
4843: #
4844: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4845: $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value
4846: }
4847: $xmlfrag = << "PROBTYPE";
4848: <dropdown variable="probstatus" multichoice="0" allowempty="0">
4849: <defaultvalue>
4850: return "$helper->{VARS}->{'probstatus'}";
4851: </defaultvalue>
4852: <choice computer="problem">Homework Problem</choice>
4853: <choice computer="exam">Exam Problem</choice>
4854: <choice computer="survey">Survey question</choice>
4855: ,choice computer="anonsurvey"Anonymous survey question</choice>
4856: </dropdown>
4857: PROBTYPE
4858: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4859: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4860:
4861:
4862:
4863: }
4864: }
4865:
4866:
4867:
4868:
4869: if ($startedTable) {
4870: &addMessage(&Apache::lonhtmlcommon::end_pick_box());
4871: }
4872:
4873: Apache::lonprintout::page_format_state->new("FORMAT");
4874:
4875: # Generate the PAGESIZE state which will offer the user the margin
4876: # choices if they select one column
4877: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
4878: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
4879:
4880:
4881: $helper->process();
4882:
4883:
4884: # MANUAL BAILOUT CONDITION:
4885: # If we're in the "final" state, bailout and return to handler
4886: if ($helper->{STATE} eq 'FINAL') {
4887: return $helper;
4888: }
4889:
4890: my $footer;
4891: if ($helper->{STATE} eq 'START') {
4892: my $prtspool=$r->dir_config('lonPrtDir');
4893: $footer = &recently_generated($prtspool);
4894: }
4895: $r->print($helper->display($footer));
4896: &Apache::lonhelper::unregisterHelperTags();
4897:
4898: return OK;
4899: }
4900:
4901:
4902: 1;
4903:
4904: package Apache::lonprintout::page_format_state;
4905:
4906: =pod
4907:
4908: =head1 Helper element: page_format_state
4909:
4910: See lonhelper.pm documentation for discussion of the helper framework.
4911:
4912: Apache::lonprintout::page_format_state is an element that gives the
4913: user an opportunity to select the page layout they wish to print
4914: with: Number of columns, portrait/landscape, and paper size. If you
4915: want to change the paper size choices, change the @paperSize array
4916: contents in this package.
4917:
4918: page_format_state is always directly invoked in lonprintout.pm, so there
4919: is no tag interface. You actually pass parameters to the constructor.
4920:
4921: =over 4
4922:
4923: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
4924:
4925: =back
4926:
4927: =cut
4928:
4929: use Apache::lonhelper;
4930:
4931: no strict;
4932: @ISA = ("Apache::lonhelper::element");
4933: use strict;
4934: use Apache::lonlocal;
4935: use Apache::lonnet;
4936:
4937: my $maxColumns = 2;
4938: # it'd be nice if these all worked
4939: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
4940: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
4941: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
4942: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
4943: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
4944: "a4 [210x297 mm]");
4945:
4946: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
4947: # Paper type
4948:
4949: sub new {
4950: my $self = Apache::lonhelper::element->new();
4951:
4952: shift;
4953:
4954: $self->{'variable'} = shift;
4955: my $helper = Apache::lonhelper::getHelper();
4956: $helper->declareVar($self->{'variable'});
4957: bless($self);
4958: return $self;
4959: }
4960:
4961: sub render {
4962: my $self = shift;
4963: my $helper = Apache::lonhelper::getHelper();
4964: my $result = '';
4965: my $var = $self->{'variable'};
4966: my $PageLayout=&mt('Page layout');
4967: my $NumberOfColumns=&mt('Number of columns');
4968: my $PaperType=&mt('Paper type');
4969: my $landscape=&mt('Landscape');
4970: my $portrait=&mt('Portrait');
4971: my $pdfFormLabel=&mt('PDF-Formfields');
4972: my $with=&mt('with Formfields');
4973: my $without=&mt('without Formfields');
4974:
4975:
4976: $result.='<h3>'.&mt('Layout Options').'</h3>'
4977: .&Apache::loncommon::start_data_table()
4978: .&Apache::loncommon::start_data_table_header_row()
4979: .'<th>'.$PageLayout.'</th>'
4980: .'<th>'.$NumberOfColumns.'</th>'
4981: .'<th>'.$PaperType.'</th>'
4982: .'<th>'.$pdfFormLabel.'</th>'
4983: .&Apache::loncommon::end_data_table_header_row()
4984: .&Apache::loncommon::start_data_table_row()
4985: .'<td>'
4986: .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
4987: .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
4988: .'</td>';
4989:
4990: $result.='<td align="center">'
4991: .'<select name="'.${var}.'.cols">';
4992:
4993: my $i;
4994: for ($i = 1; $i <= $maxColumns; $i++) {
4995: if ($i == 2) {
4996: $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
4997: } else {
4998: $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
4999: }
5000: }
5001:
5002: $result .= "</select></td><td>\n";
5003: $result .= "<select name='${var}.paper'>\n";
5004:
5005: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
5006: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
5007: $DefaultPaperSize=~s/\s//g;
5008: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
5009: $i = 0;
5010: foreach (@paperSize) {
5011: $_=~/(\w+)/;
5012: my $papersize=$1;
5013: if ($paperSize[$i]=~/$DefaultPaperSize/) {
5014: $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
5015: } else {
5016: $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
5017: }
5018: $i++;
5019: }
5020: $result .= <<HTML;
5021: </select>
5022: </td>
5023: <td align='center'>
5024: <select name='${var}.pdfFormFields'>
5025: <option selected="selected" value="no">$without</option>
5026: <option value="yes">$with</option>
5027: </select>
5028: </td>
5029: HTML
5030: $result.=&Apache::loncommon::end_data_table_row()
5031: .&Apache::loncommon::end_data_table();
5032:
5033: return $result;
5034: }
5035:
5036: sub postprocess {
5037: my $self = shift;
5038:
5039: my $var = $self->{'variable'};
5040: my $helper = Apache::lonhelper->getHelper();
5041: $helper->{VARS}->{$var} =
5042: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
5043: $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
5044: return 1;
5045: }
5046:
5047: 1;
5048:
5049: package Apache::lonprintout::page_size_state;
5050:
5051: =pod
5052:
5053: =head1 Helper element: page_size_state
5054:
5055: See lonhelper.pm documentation for discussion of the helper framework.
5056:
5057: Apache::lonprintout::page_size_state is an element that gives the
5058: user the opportunity to further refine the page settings if they
5059: select a single-column page.
5060:
5061: page_size_state is always directly invoked in lonprintout.pm, so there
5062: is no tag interface. You actually pass parameters to the constructor.
5063:
5064: =over 4
5065:
5066: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
5067:
5068: =back
5069:
5070: =cut
5071:
5072: use Apache::lonhelper;
5073: use Apache::lonnet;
5074: no strict;
5075: @ISA = ("Apache::lonhelper::element");
5076: use strict;
5077:
5078:
5079:
5080: sub new {
5081: my $self = Apache::lonhelper::element->new();
5082:
5083: shift; # disturbs me (probably prevents subclassing) but works (drops
5084: # package descriptor)... - Jeremy
5085:
5086: $self->{'variable'} = shift;
5087: my $helper = Apache::lonhelper::getHelper();
5088: $helper->declareVar($self->{'variable'});
5089:
5090: # The variable name of the format element, so we can look into
5091: # $helper->{VARS} to figure out whether the columns are one or two
5092: $self->{'formatvar'} = shift;
5093:
5094:
5095: $self->{NEXTSTATE} = shift;
5096: bless($self);
5097:
5098: return $self;
5099: }
5100:
5101: sub render {
5102: my $self = shift;
5103: my $helper = Apache::lonhelper::getHelper();
5104: my $result = '';
5105: my $var = $self->{'variable'};
5106:
5107:
5108:
5109: if (defined $self->{ERROR_MSG}) {
5110: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
5111: }
5112:
5113: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5114:
5115: # Use format to get sensible defaults for the margins:
5116:
5117:
5118: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5119: ($papersize) = split(/ /, $papersize);
5120:
5121: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5122:
5123:
5124:
5125: my %size;
5126: ($size{'width_and_units'},
5127: $size{'height_and_units'},
5128: $size{'margin_and_units'})=
5129: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5130:
5131: foreach my $dimension ('width','height','margin') {
5132: ($size{$dimension},$size{$dimension.'_unit'}) =
5133: split(/ +/, $size{$dimension.'_and_units'},2);
5134:
5135: foreach my $unit ('cm','in') {
5136: $size{$dimension.'_options'} .= '<option ';
5137: if ($size{$dimension.'_unit'} eq $unit) {
5138: $size{$dimension.'_options'} .= 'selected="selected" ';
5139: }
5140: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
5141: }
5142: }
5143:
5144: # Adjust margin for LaTeX margin: .. requires units == cm or in.
5145:
5146: if ($size{'margin_unit'} eq 'in') {
5147: $size{'margin'} += 1;
5148: } else {
5149: $size{'margin'} += 2.54;
5150: }
5151: my %lt = &Apache::lonlocal::texthash(
5152: 'format' => 'How should each column be formatted?',
5153: 'width' => 'Width',
5154: 'height' => 'Height',
5155: 'margin' => 'Left Margin'
5156: );
5157:
5158: $result .= '<p>'.$lt{'format'}.'</p>'
5159: .&Apache::lonhtmlcommon::start_pick_box()
5160: .&Apache::lonhtmlcommon::row_title($lt{'width'})
5161: .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
5162: .'<select name="'.$var.'.widthunit">'
5163: .$size{'width_options'}
5164: .'</select>'
5165: .&Apache::lonhtmlcommon::row_closure()
5166: .&Apache::lonhtmlcommon::row_title($lt{'height'})
5167: .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
5168: .'<select name="'.$var.'.heightunit">'
5169: .$size{'height_options'}
5170: .'</select>'
5171: .&Apache::lonhtmlcommon::row_closure()
5172: .&Apache::lonhtmlcommon::row_title($lt{'margin'})
5173: .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
5174: .'<select name="'.$var.'.lmarginunit">'
5175: .$size{'margin_options'}
5176: .'</select>'
5177: .&Apache::lonhtmlcommon::row_closure(1)
5178: .&Apache::lonhtmlcommon::end_pick_box();
5179: # <p>Hint: Some instructors like to leave scratch space for the student by
5180: # making the width much smaller than the width of the page.</p>
5181:
5182: return $result;
5183: }
5184:
5185:
5186: sub preprocess {
5187: my $self = shift;
5188: my $helper = Apache::lonhelper::getHelper();
5189:
5190: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5191:
5192: # If the user does not have 'pav' privilege, set default widths and
5193: # on to the next state right away.
5194: #
5195: if (!$perm{'pav'}) {
5196: my $var = $self->{'variable'};
5197: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5198:
5199: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5200: ($papersize) = split(/ /, $papersize);
5201:
5202:
5203: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5204:
5205: # Figure out some good defaults for the print out and set them:
5206:
5207: my %size;
5208: ($size{'width'},
5209: $size{'height'},
5210: $size{'lmargin'})=
5211: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5212:
5213: foreach my $dim ('width', 'height', 'lmargin') {
5214: my ($value, $units) = split(/ /, $size{$dim});
5215:
5216: $helper->{VARS}->{"$var.".$dim} = $value;
5217: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
5218:
5219: }
5220:
5221:
5222: # Transition to the next state
5223:
5224: $helper->changeState($self->{NEXTSTATE});
5225: }
5226:
5227: return 1;
5228: }
5229:
5230: sub postprocess {
5231: my $self = shift;
5232:
5233: my $var = $self->{'variable'};
5234: my $helper = Apache::lonhelper->getHelper();
5235: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
5236: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
5237: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
5238: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
5239: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
5240: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
5241:
5242: my $error = '';
5243:
5244: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
5245: # by an optional period, followed by digits, ending the string
5246:
5247: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5248: $error .= "Invalid width; please type only a number.<br />\n";
5249: }
5250: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5251: $error .= "Invalid height; please type only a number.<br />\n";
5252: }
5253: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5254: $error .= "Invalid left margin; please type only a number.<br />\n";
5255: } else {
5256: # Adjust for LaTeX 1.0 inch margin:
5257:
5258: if ($env{"form.${var}.lmarginunit"} eq "in") {
5259: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
5260: } else {
5261: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
5262: }
5263: }
5264:
5265: if (!$error) {
5266: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
5267: return 1;
5268: } else {
5269: $self->{ERROR_MSG} = $error;
5270: return 0;
5271: }
5272: }
5273:
5274: __END__
5275:
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