1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.620 2012/10/12 13:48:08 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: # http://www.lon-capa.org/
26: #
27: #
28: package Apache::lonprintout;
29: use strict;
30: use 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 = $res->parts();
585: my @parts;
586: if (ref($partsref) eq 'ARRAY') {
587: @parts = @{$partsref};
588: }
589: my $open_date;
590: my $close_date;
591: my @open_dates;
592: my @close_dates;
593:
594:
595: if (@parts) {
596: foreach my $part (@parts) {
597: my $partopen = $res->parmval('printstartdate', $part);
598: my $partclose = $res->parmval('printenddate', $part);
599:
600: push(@open_dates, $partopen);
601: push(@close_dates, $partclose);
602: }
603: }
604:
605: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
606:
607: if ($open_date) {
608: $open_date = POSIX::strftime('%D', localtime($open_date));
609: }
610: if ($close_date) {
611: $close_date = POSIX::strftime('%D', localtime($close_date));
612: }
613:
614: return ($open_date, $close_date);
615: }
616:
617: ##
618: # Get the dates for which a course says a resource can be printed. This is like
619: # get_print_dates but namvaps::course_print_dates are gotten...and not converted
620: # to times either.
621: #
622: # @param $res - Reference to a resource has from lonnvampas::resource.
623: #
624: # @return (opendate, closedate)
625: #
626: sub course_print_dates {
627: my $res = shift;
628: my $partsref = $res->parts();
629: my @parts = @$partsref;
630: my $open_date;
631: my $close_date;
632: my @open_dates;
633: my @close_dates;
634: my $navmap = $res->{NAV_MAP}; # Slightly OO dirty.
635:
636: # Don't bother looping over undefined or empty parts arraY;
637:
638: if (@parts) {
639: foreach my $part (@parts) {
640: my ($partopen, $partclose) = $navmap->course_printdates($res, $part);
641: push(@open_dates, $partopen);
642: push(@close_dates, $partclose);
643: }
644: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
645: }
646: return ($open_date, $close_date);
647: }
648: ##
649: # Same as above but for the enclosing map:
650: #
651: sub map_print_dates {
652: my $res = shift;
653: my $partsref = $res->parts();
654: my @parts = @$partsref;
655: my $open_date;
656: my $close_date;
657: my @open_dates;
658: my @close_dates;
659: my $navmap = $res->{NAV_MAP}; # slightly OO dirty.
660:
661:
662: # Don't bother looping over undefined or empty parts arraY;
663:
664: if (@parts) {
665: foreach my $part (@parts) {
666: my ($partopen, $partclose) = $navmap->map_printdates($res, $part);
667: push(@open_dates, $partopen);
668: push(@close_dates, $partclose);
669: }
670: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
671: }
672: return ($open_date, $close_date);
673: }
674:
675: # Determine if a resource is incomplete given the map:
676: # Parameters:
677: # $username - Name of user for whom we are checking.
678: # $domain - Domain of user we are checking.
679: # $map - map name.
680: # Returns:
681: # 0 - map is not incomplete.
682: # 1 - map is incomplete.
683: #
684: sub incomplete {
685: my ($username, $domain, $map) = @_;
686:
687:
688: my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
689:
690:
691: if (defined($navmap)) {
692: my $res = $navmap->getResourceByUrl($map);
693: my $result = $res->is_incomplete();
694: return $result;
695: } else {
696: return 1;
697: }
698: }
699: #
700: # When printing for students, the resoures and order of the
701: # resources may need to be altered if there are folders with
702: # random selectiopn or random ordering (or both) enabled.
703: # This sub computes the set of resources to print for a student
704: # modified both by random ordering and selection and filtered
705: # to only those that are in the original set selcted to be printed.
706: #
707: # Parameters:
708: # $helper - The helper we need $helper->{'VARS'}->{'symb'}
709: # to construct the navmap and the iteration.
710: # $seq - The original set of resources to print
711: # (really an array of resource names (array of symb's).
712: # $who - Student/domain for whome the sequence will be generated.
713: #
714: # Implicit inputs:
715: # $
716: # Returns:
717: # reference to an array of resources that can be passed to
718: # print_resources.
719: #
720: sub master_seq_to_person_seq {
721: my ($helper, $seq, $who) = @_;
722:
723:
724: my ($username, $userdomain, $usersection) = split(/:/, $who);
725:
726:
727: # Toss the sequence up into a hash so that we have O(1) lookup time.
728: # on the items that come out of the user's list of resources.
729: #
730:
731: my %seq_hash = map {$_ => 1} @$seq;
732: my @output_seq;
733:
734: my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
735: my $navmap = Apache::lonnavmaps::navmap->new($username, $userdomain);
736: my $iterator = $navmap->getIterator($navmap->firstResource(),
737: $navmap->finishResource(),
738: {}, 1);
739: my %nonResourceItems = (
740: $iterator->BEGIN_MAP => 1,
741: $iterator->BEGIN_BRANCH => 1,
742: $iterator->END_BRANCH => 1,
743: $iterator->END_MAP => 1,
744: $iterator->FORWARD => 1,
745: $iterator->BACKWARD => 1
746:
747: ); # These items are not resources but appear in the midst of iteration.
748:
749: # Iterate on the resource..select the items that are randomly selected
750: # and that are in the seq_has. Presumably the iterator will take care
751: # of the random ordering part of the deal.
752: #
753: my $curres;
754: while ($curres = $iterator->next()) {
755: #
756: # Only process resources..that are not removed by randomout...
757: # and are selected for printint as well.
758: #
759:
760: if (! exists $nonResourceItems{$curres} && ! $curres->randomout()) {
761: my $symb = $curres->symb();
762: if (exists $seq_hash{$symb}) {
763: push(@output_seq, $symb);
764: }
765: }
766: }
767:
768:
769: return \@output_seq; # for now.
770:
771: }
772:
773:
774: # Fetch the contents of a resource, uninterpreted.
775: # This is used here to fetch a latex file to be included
776: # verbatim into the printout<
777: # NOTE: Ask Guy if there is a lonnet function similar to this?
778: #
779: # Parameters:
780: # URL of the file
781: #
782: sub fetch_raw_resource {
783: my ($url) = @_;
784:
785: my $filename = &Apache::lonnet::filelocation("", $url);
786: my $contents = &Apache::lonnet::getfile($filename);
787:
788: if ($contents == -1) {
789: return "File open failed for $filename"; # This will bomb the print.
790: }
791: return $contents;
792:
793:
794: }
795:
796: # Fetch the annotations associated with a URL and
797: # put a centered 'annotations:' title.
798: # This is all suppressed if the annotations are empty.
799: #
800: sub annotate {
801: my ($symb) = @_;
802:
803: my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
804:
805:
806: my $result = "";
807:
808: if (length($annotation_text) > 0) {
809: $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
810: $result .= "\n";
811: $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex.
812: $result .= "\n\n";
813: }
814: return $result;
815: }
816:
817: #
818: # Set a global document font size:
819: # This is done by replacing \begin{document}
820: # with \begin{document}{\some-font-directive
821: # and \end{document} with
822: # }\end{document
823: #
824: sub set_font_size {
825:
826: my ($text) = @_;
827:
828: # There appear to be cases where the font directive is empty.. in which
829: # case the first substituion would insert a spurious \ oh happy day.
830: # as this has been the cause of much mystery and hair pulling _sigh_
831:
832: if ($font_size ne '') {
833:
834: $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
835: }
836: $text =~ s/\\end{document}/}\\end{document}/;
837: return $text;
838:
839:
840: }
841:
842: # include_pdf - PDF files are included into the
843: # output as follows:
844: # - The PDF, if necessary, is replicated.
845: # - The PDF is added to the list of files to convert to postscript (along with the images).
846: # - The LaTeX is added to include the final converted postscript in the file as an included
847: # job. The assumption is that the includedpsheader.ps header will be included.
848: #
849: # Parameters:
850: # pdf_uri - URI of the PDF file to include.
851: #
852: # Returns:
853: # The LaTeX to include.
854: #
855: # Assumptions:
856: # The uri is actually a PDF file
857: # The postscript will have the includepsheader.ps included.
858: #
859: #
860: sub include_pdf {
861: my ($pdf_uri) = @_;
862:
863: # Where is the file? If not local we'll need to repcopy it:'
864:
865: my $file = &Apache::lonnet::filelocation('', $pdf_uri);
866: if (! -e $file) {
867: &Apache::lonnet::repcopy($file);
868: $file = &Apache::lonnet::filelocation('',$pdf_uri);
869: }
870:
871: # The file isn ow replicated locally.. or it did not exist in the first place
872: # (unlikely). If it did exist, add the pdf to the set of files/images that
873: # need tob e converted for this print job:
874:
875: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
876: $file =~ s{(.*)/res/}{$londocroot/res/};
877:
878: open(FILE,">>$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat");
879: print FILE ("$file\n");
880: close (FILE);
881:
882: # Construct the special to put out. To do this we need to get the
883: # resulting filename after conversion. The file will have the same name
884: # but will be in the user's spool directory with converted images.
885:
886: my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
887: my ( $base, $path, $ext) = &fileparse($file, '.pdf');
888: # my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
889: $base =~ s/ /\_/g;
890:
891:
892: my $output = &print_latex_header();
893: $output .= '\special{ps: _begin_job_ ('
894: .$base.'.pdf.eps'.
895: ')run _end_job_}';
896:
897: return $output;
898:
899:
900: }
901: ##
902: # Collect the various \select_language{language_name}
903: # latex tags to build a \usepackage[lang-list]{babel} which will
904: # appear just prior to the \begin{document} at the front of the concatenated
905: # set of resources:
906: # @param doc - The string of latex to search/replace.
907: # @return string
908: # @retval - the modified document stringt.
909: #
910: sub collect_languages {
911: my $doc = shift;
912: my %languages;
913: while ($doc =~ /\\selectlanguage{(\w+)}/mg) {
914: $languages{$1} = 1; # allows us to request each language exactly once.
915: }
916: my @lang_list = (keys(%languages)); # List of unique languages
917: if (scalar @lang_list) {
918: my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n";
919: $doc =~ s/\\begin{document}/$babel_header\\begin{document}/;
920: }
921: return $doc;
922: }
923: #-------------------------------------------------------------------
924:
925: #
926: # ssi_with_retries- Does the server side include of a resource.
927: # if the ssi call returns an error we'll retry it up to
928: # the number of times requested by the caller.
929: # If we still have a proble, no text is appended to the
930: # output and we set some global variables.
931: # to indicate to the caller an SSI error occurred.
932: # All of this is supposed to deal with the issues described
933: # in LonCAPA BZ 5631 see:
934: # http://bugs.lon-capa.org/show_bug.cgi?id=5631
935: # by informing the user that this happened.
936: #
937: # Parameters:
938: # resource - The resource to include. This is passed directly, without
939: # interpretation to lonnet::ssi.
940: # form - The form hash parameters that guide the interpretation of the resource
941: #
942: # retries - Number of retries allowed before giving up completely.
943: # Returns:
944: # On success, returns the rendered resource identified by the resource parameter.
945: # Side Effects:
946: # The following global variables can be set:
947: # ssi_error - If an unrecoverable error occurred this becomes true.
948: # It is up to the caller to initialize this to false
949: # if desired.
950: # ssi_last_error_resource - If an unrecoverable error occurred, this is the value
951: # of the resource that could not be rendered by the ssi
952: # call.
953: # ssi_last_error - The error string fetched from the ssi response
954: # in the event of an error.
955: #
956: sub ssi_with_retries {
957: my ($resource, $retries, %form) = @_;
958:
959: my $target = $form{'grade_target'};
960: my $aom = $form{'answer_output_mode'};
961:
962:
963:
964: my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
965: if (!$response->is_success) {
966: $ssi_error = 1;
967: $ssi_last_error_resource = $resource;
968: $ssi_last_error = $response->code . " " . $response->message;
969: $content='\section*{!!! An error occurred !!!}';
970: }
971:
972: return $content;
973:
974: }
975:
976: sub get_student_view_with_retries {
977: my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
978:
979: my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
980: if (!$response->is_success) {
981: $ssi_error = 1;
982: $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
983: $ssi_last_error = $response->code . " " . $response->message;
984: $content='\section*{!!! An error occurred !!!}';
985: }
986: return $content;
987:
988: }
989:
990: #
991: # printf_style_subst item format_string repl
992: #
993: # Does printf style substitution for a format string that
994: # can have %[n]item in it.. wherever, %[n]item occurs,
995: # rep is substituted in format_string. Note that
996: # [n] is an optional integer length. If provided,
997: # repl is truncated to at most [n] characters prior to
998: # substitution.
999: #
1000: sub printf_style_subst {
1001: my ($item, $format_string, $repl) = @_;
1002: my $result = "";
1003: while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1004: my $fmt = $1;
1005: my $size = $2;
1006: my $subst = $repl;
1007: if ($size ne "") {
1008: $subst = substr($subst, 0, $size);
1009:
1010: # Here's a nice edge case.. supose the end of the
1011: # substring is a \. In that case may have just
1012: # chopped off a TeX escape... in that case, we append
1013: # " " for the trailing character, and let the field
1014: # spill over a bit (sigh).
1015: # We don't just chop off the last character in order to deal
1016: # with one last pathology, and that would be if substr had
1017: # trimmed us to e.g. \\\
1018:
1019:
1020: if ($subst =~ /\\$/) {
1021: $subst .= " ";
1022: }
1023: }
1024: my $item_pos = pos($format_string);
1025: $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
1026: $format_string = substr($format_string, pos($format_string));
1027: }
1028:
1029: # Put the residual format string into the result:
1030:
1031: $result .= $format_string;
1032:
1033: return $result;
1034: }
1035:
1036:
1037: # Format a header according to a format.
1038: #
1039:
1040: # Substitutions:
1041: # %a - Assignment name.
1042: # %c - Course name.
1043: # %n - Student name.
1044: # %s - The section if it is supplied.
1045: #
1046: sub format_page_header {
1047: my ($width, $format, $assignment, $course, $student, $section) = @_;
1048:
1049:
1050:
1051: $width = &recalcto_mm($width); # Get width in mm.
1052: my $chars_per_line = int($width/1.6); # Character/textline.
1053:
1054: # Default format?
1055:
1056: if ($format eq '') {
1057: # For the default format, we may need to truncate
1058: # elements.. To do this we need to get the page width.
1059: # we assume that each character is about 2mm in width.
1060: # (correct for the header text size??). We ignore
1061: # any formatting (e.g. boldfacing in this).
1062: #
1063: # - Allow the student/course to be one line.
1064: # but only truncate the course.
1065: # - Allow the assignment to be 2 lines (wrapped).
1066: #
1067:
1068:
1069:
1070: my $name_length = int($chars_per_line *3 /4);
1071: my $sec_length = int($chars_per_line / 5);
1072:
1073: $format = "%$name_length".'n';
1074:
1075: if ($section) {
1076: $format .= ' - Sec: '."%$sec_length".'s';
1077: }
1078:
1079: $format .= '\\\\%c \\\\ %a';
1080:
1081:
1082: }
1083: # An open question is how to handle long user formatted page headers...
1084: # A possible future is to support e.g. %na so that the user can control
1085: # the truncation of the elements that can appear in the header.
1086: #
1087: $format = &printf_style_subst("a", $format, $assignment);
1088: $format = &printf_style_subst("c", $format, $course);
1089: $format = &printf_style_subst("n", $format, $student);
1090: $format = &printf_style_subst("s", $format, $section);
1091:
1092:
1093: # If the user put %'s in the format string, they must be escaped
1094: # to \% else LaTeX will think they are comments and terminate
1095: # the line.. which is bad!!!
1096:
1097: # If the user has role author, $course and $assignment are empty so
1098: # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
1099: if($format =~ /\\\\\s\\\\\s/) {
1100: #TODO find sensible caption for page header
1101: my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
1102: $format =~ s/\\\\\s\\\\\s/$testPrintout/;
1103: }
1104: #
1105: # We're going to trust LaTeX to break lines appropriately, but
1106: # we'll truncate anything that's more than 3 lines worth of
1107: # text. This is also assuming (which will probably end badly)
1108: # nobody's going to embed LaTeX control sequences in the title
1109: # header or rather that those control sequences won't get broken
1110: # by the stuff below.
1111: #
1112: my $total_length = 3*$chars_per_line;
1113: if (length($format) > $total_length) {
1114: $format = substr($format, 0, $total_length);
1115: }
1116:
1117:
1118: return $format;
1119:
1120: }
1121:
1122: #
1123: # Convert a numeric code to letters
1124: #
1125: sub num_to_letters {
1126: my ($num) = @_;
1127: my @nums= split('',$num);
1128: my @num_to_let=('A'..'Z');
1129: my $word;
1130: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1131: return $word;
1132: }
1133: # Convert a letter code to numeric.
1134: #
1135: sub letters_to_num {
1136: my ($letters) = @_;
1137: my @letters = split('', uc($letters));
1138: my %substitution;
1139: my $digit = 0;
1140: foreach my $letter ('A'..'J') {
1141: $substitution{$letter} = $digit;
1142: $digit++;
1143: }
1144: # The substitution is done as below to preserve leading
1145: # zeroes which are needed to keep the code size exact
1146: #
1147: my $result ="";
1148: foreach my $letter (@letters) {
1149: $result.=$substitution{$letter};
1150: }
1151: return $result;
1152: }
1153:
1154: # Determine if a code is a valid numeric code. Valid
1155: # numeric codes must be comprised entirely of digits and
1156: # have a correct number of digits.
1157: #
1158: # Parameters:
1159: # value - proposed code value.
1160: # num_digits - Number of digits required.
1161: #
1162: sub is_valid_numeric_code {
1163: my ($value, $num_digits) = @_;
1164: # Remove leading/trailing whitespace;
1165: $value =~ s/^\s*//g;
1166: $value =~ s/\s*$//g;
1167:
1168: # All digits?
1169: if ($value !~ /^[0-9]+$/) {
1170: return "Numeric code $value has invalid characters - must only be digits";
1171: }
1172: if (length($value) != $num_digits) {
1173: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
1174: }
1175: return undef;
1176: }
1177: # Determines if a code is a valid alhpa code. Alpha codes
1178: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
1179: # They also have a correct digit count.
1180: # Parameters:
1181: # value - Proposed code value.
1182: # num_letters - correct number of letters.
1183: # Note:
1184: # leading and trailing whitespace are ignored.
1185: #
1186: sub is_valid_alpha_code {
1187: my ($value, $num_letters) = @_;
1188:
1189: # strip leading and trailing spaces.
1190:
1191: $value =~ s/^\s*//g;
1192: $value =~ s/\s*$//g;
1193:
1194: # All alphas in the right range?
1195: if ($value !~ /^[A-J,a-j]+$/) {
1196: return "Invalid letter code $value must only contain A-J";
1197: }
1198: if (length($value) != $num_letters) {
1199: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
1200: }
1201: return undef;
1202: }
1203:
1204: # Determine if a code entered by the user in a helper is valid.
1205: # valid depends on the code type and the type of code selected.
1206: # The type of code selected can either be numeric or
1207: # Alphabetic. If alphabetic, the code, in fact is a simple
1208: # substitution cipher for the actual numeric code: 0->A, 1->B ...
1209: # We'll be nice and be case insensitive for alpha codes.
1210: # Parameters:
1211: # code_value - the value of the code the user typed in.
1212: # code_option - The code type selected from the set in the scantron format
1213: # table.
1214: # Returns:
1215: # undef - The code is valid.
1216: # other - An error message indicating what's wrong.
1217: #
1218: sub is_code_valid {
1219: my ($code_value, $code_option) = @_;
1220: my ($code_type, $code_length) = ('letter', 6); # defaults.
1221: my @lines = &Apache::grades::get_scantronformat_file();
1222: foreach my $line (@lines) {
1223: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
1224: if($name eq $code_option) {
1225: $code_length = $length;
1226: if($type eq 'number') {
1227: $code_type = 'number';
1228: }
1229: }
1230: }
1231: my $valid;
1232: if ($code_type eq 'number') {
1233: return &is_valid_numeric_code($code_value, $code_length);
1234: } else {
1235: return &is_valid_alpha_code($code_value, $code_length);
1236: }
1237:
1238: }
1239: #
1240: # Compare two students by section (Used to sort by section).
1241: #
1242: # Implicit inputs,
1243: # $a - The first one
1244: # $b - The second one.
1245: #
1246: # Returns:
1247: # a-section cmp b-section
1248: #
1249: sub compare_sections {
1250: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1251: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1252:
1253: return $s1 cmp $s2;
1254: }
1255:
1256: # Compare two students by name. The students are in the form
1257: # returned by the helper:
1258: # user:domain:section:last, first:status
1259: # This is a helper function for the perl sort built-in therefore:
1260: # Implicit Inputs:
1261: # $a - The first element to compare (global)
1262: # $b - The second element to compare (global)
1263: # Returns:
1264: # -1 - $a < $b
1265: # 0 - $a == $b
1266: # +1 - $a > $b
1267: # Note that the initial comparison is done on the last names with the
1268: # first names only used to break the tie.
1269: #
1270: #
1271: sub compare_names {
1272: # First split the names up into the primary fields.
1273:
1274: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1275: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1276:
1277: # Now split the last name and first name of each n:
1278: #
1279:
1280: my ($l1,$f1) = split(/,/, $n1);
1281: my ($l2,$f2) = split(/,/, $n2);
1282:
1283: # We don't bother to remove the leading/trailing whitespace from the
1284: # firstname, unless the last names compare identical.
1285:
1286: if($l1 lt $l2) {
1287: return -1;
1288: }
1289: if($l1 gt $l2) {
1290: return 1;
1291: }
1292:
1293: # Break the tie on the first name, but there are leading (possibly trailing
1294: # whitespaces to get rid of first
1295: #
1296: $f1 =~ s/^\s+//; # Remove leading...
1297: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
1298:
1299: $f2 =~ s/^\s+//;
1300: $f2 =~ s/\s+$//; # And the same for first 2...
1301:
1302: if($f1 lt $f2) {
1303: return -1;
1304: }
1305: if($f1 gt $f2) {
1306: return 1;
1307: }
1308:
1309: # Must be the same name.
1310:
1311: return 0;
1312: }
1313:
1314: sub latex_header_footer_remove {
1315: my $text = shift;
1316: $text =~ s/\\end{document}//;
1317: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
1318: return $text;
1319: }
1320: #
1321: # If necessary, encapsulate text inside
1322: # a minipage env.
1323: # necessity is determined by the problem_split param.
1324: #
1325: sub encapsulate_minipage {
1326: my ($text) = @_;
1327: if (!($env{'form.problem.split'} =~ /yes/i)) {
1328: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
1329: }
1330: return $text;
1331: }
1332: #
1333: # The NUMBER_TO_PRINT and SPLIT_PDFS
1334: # variables interact, this sub looks at these two parameters
1335: # and comes up with a final value for NUMBER_TO_PRINT which can be:
1336: # all - if SPLIT_PDFS eq 'all'.
1337: # 1 - if SPLIT_PDFS eq 'oneper'
1338: # section - if SPLIT_PDFS eq 'sections'
1339: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
1340: #
1341: sub adjust_number_to_print {
1342: my $helper = shift;
1343:
1344: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
1345:
1346: if ($split_pdf eq 'all') {
1347: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
1348: } elsif ($split_pdf eq 'oneper') {
1349: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
1350: } elsif ($split_pdf eq 'sections') {
1351: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
1352: } elsif ($split_pdf eq 'usenumber') {
1353: # Unmodified.
1354: } else {
1355: # Error!!!!
1356:
1357: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1358:
1359: }
1360: }
1361:
1362:
1363: sub character_chart {
1364: my $result = shift;
1365: return &Apache::entities::replace_entities($result);
1366: }
1367:
1368: sub old_character_chart {
1369: my $result = shift;
1370: $result =~ s/&\#0?0?(7|9);//g;
1371: $result =~ s/&\#0?(10|13);//g;
1372: $result =~ s/&\#0?32;/ /g;
1373: $result =~ s/&\#0?33;/!/g;
1374: $result =~ s/&(\#0?34|quot);/\"/g;
1375: $result =~ s/&\#0?35;/\\\#/g;
1376: $result =~ s/&\#0?36;/\\\$/g;
1377: $result =~ s/&\#0?37;/\\%/g;
1378: $result =~ s/&(\#0?38|amp);/\\&/g;
1379: $result =~ s/&\#(0?39|146);/\'/g;
1380: $result =~ s/&\#0?40;/(/g;
1381: $result =~ s/&\#0?41;/)/g;
1382: $result =~ s/&\#0?42;/\*/g;
1383: $result =~ s/&\#0?43;/\+/g;
1384: $result =~ s/&\#(0?44|130);/,/g;
1385: $result =~ s/&\#0?45;/-/g;
1386: $result =~ s/&\#0?46;/\./g;
1387: $result =~ s/&\#0?47;/\//g;
1388: $result =~ s/&\#0?48;/0/g;
1389: $result =~ s/&\#0?49;/1/g;
1390: $result =~ s/&\#0?50;/2/g;
1391: $result =~ s/&\#0?51;/3/g;
1392: $result =~ s/&\#0?52;/4/g;
1393: $result =~ s/&\#0?53;/5/g;
1394: $result =~ s/&\#0?54;/6/g;
1395: $result =~ s/&\#0?55;/7/g;
1396: $result =~ s/&\#0?56;/8/g;
1397: $result =~ s/&\#0?57;/9/g;
1398: $result =~ s/&\#0?58;/:/g;
1399: $result =~ s/&\#0?59;/;/g;
1400: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1401: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
1402: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1403: $result =~ s/&\#0?63;/\?/g;
1404: $result =~ s/&\#0?65;/A/g;
1405: $result =~ s/&\#0?66;/B/g;
1406: $result =~ s/&\#0?67;/C/g;
1407: $result =~ s/&\#0?68;/D/g;
1408: $result =~ s/&\#0?69;/E/g;
1409: $result =~ s/&\#0?70;/F/g;
1410: $result =~ s/&\#0?71;/G/g;
1411: $result =~ s/&\#0?72;/H/g;
1412: $result =~ s/&\#0?73;/I/g;
1413: $result =~ s/&\#0?74;/J/g;
1414: $result =~ s/&\#0?75;/K/g;
1415: $result =~ s/&\#0?76;/L/g;
1416: $result =~ s/&\#0?77;/M/g;
1417: $result =~ s/&\#0?78;/N/g;
1418: $result =~ s/&\#0?79;/O/g;
1419: $result =~ s/&\#0?80;/P/g;
1420: $result =~ s/&\#0?81;/Q/g;
1421: $result =~ s/&\#0?82;/R/g;
1422: $result =~ s/&\#0?83;/S/g;
1423: $result =~ s/&\#0?84;/T/g;
1424: $result =~ s/&\#0?85;/U/g;
1425: $result =~ s/&\#0?86;/V/g;
1426: $result =~ s/&\#0?87;/W/g;
1427: $result =~ s/&\#0?88;/X/g;
1428: $result =~ s/&\#0?89;/Y/g;
1429: $result =~ s/&\#0?90;/Z/g;
1430: $result =~ s/&\#0?91;/[/g;
1431: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1432: $result =~ s/&\#0?93;/]/g;
1433: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1434: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
1435: $result =~ s/&\#(0?96|145);/\`/g;
1436: $result =~ s/&\#0?97;/a/g;
1437: $result =~ s/&\#0?98;/b/g;
1438: $result =~ s/&\#0?99;/c/g;
1439: $result =~ s/&\#100;/d/g;
1440: $result =~ s/&\#101;/e/g;
1441: $result =~ s/&\#102;/f/g;
1442: $result =~ s/&\#103;/g/g;
1443: $result =~ s/&\#104;/h/g;
1444: $result =~ s/&\#105;/i/g;
1445: $result =~ s/&\#106;/j/g;
1446: $result =~ s/&\#107;/k/g;
1447: $result =~ s/&\#108;/l/g;
1448: $result =~ s/&\#109;/m/g;
1449: $result =~ s/&\#110;/n/g;
1450: $result =~ s/&\#111;/o/g;
1451: $result =~ s/&\#112;/p/g;
1452: $result =~ s/&\#113;/q/g;
1453: $result =~ s/&\#114;/r/g;
1454: $result =~ s/&\#115;/s/g;
1455: $result =~ s/&\#116;/t/g;
1456: $result =~ s/&\#117;/u/g;
1457: $result =~ s/&\#118;/v/g;
1458: $result =~ s/&\#119;/w/g;
1459: $result =~ s/&\#120;/x/g;
1460: $result =~ s/&\#121;/y/g;
1461: $result =~ s/&\#122;/z/g;
1462: $result =~ s/&\#123;/\\{/g;
1463: $result =~ s/&\#124;/\|/g;
1464: $result =~ s/&\#125;/\\}/g;
1465: $result =~ s/&\#126;/\~/g;
1466: $result =~ s/&\#131;/\\textflorin /g;
1467: $result =~ s/&\#132;/\"/g;
1468: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
1469: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
1470: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1471: $result =~ s/&\#137;/\\textperthousand /g;
1472: $result =~ s/&\#140;/{\\OE}/g;
1473: $result =~ s/&\#147;/\`\`/g;
1474: $result =~ s/&\#148;/\'\'/g;
1475: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1476: $result =~ s/&(\#150|\#8211);/--/g;
1477: $result =~ s/&\#151;/---/g;
1478: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1479: $result =~ s/&\#153;/\\texttrademark /g;
1480: $result =~ s/&\#156;/\\oe/g;
1481: $result =~ s/&\#159;/\\\"Y/g;
1482: $result =~ s/&(\#160|nbsp);/~/g;
1483: $result =~ s/&(\#161|iexcl);/!\`/g;
1484: $result =~ s/&(\#162|cent);/\\textcent /g;
1485: $result =~ s/&(\#163|pound);/\\pounds /g;
1486: $result =~ s/&(\#164|curren);/\\textcurrency /g;
1487: $result =~ s/&(\#165|yen);/\\textyen /g;
1488: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
1489: $result =~ s/&(\#167|sect);/\\textsection /g;
1490: $result =~ s/&(\#168|uml);/\\"\{\} /g;
1491: $result =~ s/&(\#169|copy);/\\copyright /g;
1492: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1493: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1494: $result =~ s/&(\#173|shy);/ - /g;
1495: $result =~ s/&(\#174|reg);/\\textregistered /g;
1496: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
1497: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
1498: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
1499: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
1500: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1501: $result =~ s/&(\#180|acute);/\\'\{\} /g;
1502: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1503: $result =~ s/&(\#182|para);/\\P/g;
1504: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1505: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1506: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1507: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
1508: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
1509: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
1510: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
1511: $result =~ s/&(\#191|iquest);/?\`/g;
1512: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
1513: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
1514: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
1515: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
1516: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
1517: $result =~ s/&(\#197|Aring);/{\\AA}/g;
1518: $result =~ s/&(\#198|AElig);/{\\AE}/g;
1519: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
1520: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
1521: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
1522: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
1523: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
1524: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
1525: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
1526: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
1527: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
1528: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
1529: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
1530: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
1531: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
1532: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
1533: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
1534: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1535: $result =~ s/&(\#216|Oslash);/{\\O}/g;
1536: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
1537: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
1538: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
1539: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
1540: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1541: $result =~ s/&(\#223|szlig);/{\\ss}/g;
1542: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
1543: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
1544: $result =~ s/&(\#226|acirc);/\\^{a}/g;
1545: $result =~ s/&(\#227|atilde);/\\~{a}/g;
1546: $result =~ s/&(\#228|auml);/\\\"{a}/g;
1547: $result =~ s/&(\#229|aring);/{\\aa}/g;
1548: $result =~ s/&(\#230|aelig);/{\\ae}/g;
1549: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
1550: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
1551: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
1552: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
1553: $result =~ s/&(\#235|euml);/\\\"{e}/g;
1554: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
1555: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
1556: $result =~ s/&(\#238|icirc);/\\^{i}/g;
1557: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1558: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1559: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
1560: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
1561: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
1562: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
1563: $result =~ s/&(\#245|otilde);/\\~{o}/g;
1564: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1565: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1566: $result =~ s/&(\#248|oslash);/{\\o}/g;
1567: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
1568: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
1569: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
1570: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
1571: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
1572: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1573: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1574: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1575: #Greek Alphabet
1576: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
1577: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
1578: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
1579: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
1580: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
1581: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
1582: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
1583: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
1584: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
1585: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
1586: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
1587: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
1588: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
1589: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1590: $result =~ s/&(omicron|\#959);/o/g;
1591: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
1592: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
1593: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
1594: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
1595: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
1596: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
1597: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
1598: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
1599: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
1600: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
1601: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1602: $result =~ s/&(Alpha|\#913);/A/g;
1603: $result =~ s/&(Beta|\#914);/B/g;
1604: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
1605: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1606: $result =~ s/&(Epsilon|\#917);/E/g;
1607: $result =~ s/&(Zeta|\#918);/Z/g;
1608: $result =~ s/&(Eta|\#919);/H/g;
1609: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1610: $result =~ s/&(Iota|\#921);/I/g;
1611: $result =~ s/&(Kappa|\#922);/K/g;
1612: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1613: $result =~ s/&(Mu|\#924);/M/g;
1614: $result =~ s/&(Nu|\#925);/N/g;
1615: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1616: $result =~ s/&(Omicron|\#927);/O/g;
1617: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1618: $result =~ s/&(Rho|\#929);/P/g;
1619: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1620: $result =~ s/&(Tau|\#932);/T/g;
1621: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
1622: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1623: $result =~ s/&(Chi|\#935);/X/g;
1624: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
1625: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1626: #Arrows (extended HTML 4.01)
1627: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
1628: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
1629: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
1630: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
1631: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
1632: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
1633: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
1634: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
1635: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
1636: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1637: #Mathematical Operators (extended HTML 4.01)
1638: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
1639: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
1640: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
1641: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
1642: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
1643: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
1644: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
1645: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
1646: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
1647: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
1648: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1649: $result =~ s/–/\\ensuremath\{-\}/g;
1650: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
1651: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
1652: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
1653: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
1654: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
1655: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
1656: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
1657: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
1658: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
1659: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
1660: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
1661: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
1662: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
1663: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
1664: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
1665: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
1666: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
1667: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
1668: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
1669: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
1670: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
1671: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
1672: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
1673: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
1674: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
1675: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1676: #Geometric Shapes (extended HTML 4.01)
1677: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1678: #Miscellaneous Symbols (extended HTML 4.01)
1679: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
1680: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
1681: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
1682: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1683: # Chemically useful 'things' contributed by Hon Kie (bug 4652).
1684:
1685: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
1686: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
1687: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
1688: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
1689: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
1690: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
1691: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
1692: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
1693: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
1694: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
1695: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
1696: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
1697: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1698:
1699: # Left/right quotations:
1700:
1701: $result =~ s/&(ldquo|#8220);/\`\`/g;
1702: $result =~ s/&(rdquo|#8221);/\'\'/g;
1703:
1704:
1705:
1706: return $result;
1707: }
1708:
1709:
1710: #width, height, oddsidemargin, evensidemargin, topmargin
1711: my %page_formats=
1712: ('letter' => {
1713: 'book' => {
1714: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
1715: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1716: },
1717: 'album' => {
1718: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'],
1719: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1720: },
1721: },
1722: 'legal' => {
1723: 'book' => {
1724: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1725: '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1726: },
1727: 'album' => {
1728: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
1729: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1730: },
1731: },
1732: 'tabloid' => {
1733: 'book' => {
1734: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
1735: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
1736: },
1737: 'album' => {
1738: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
1739: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1740: },
1741: },
1742: 'executive' => {
1743: 'book' => {
1744: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
1745: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
1746: },
1747: 'album' => {
1748: '1' => [],
1749: '2' => []
1750: },
1751: },
1752: 'a2' => {
1753: 'book' => {
1754: '1' => [],
1755: '2' => []
1756: },
1757: 'album' => {
1758: '1' => [],
1759: '2' => []
1760: },
1761: },
1762: 'a3' => {
1763: 'book' => {
1764: '1' => [],
1765: '2' => []
1766: },
1767: 'album' => {
1768: '1' => [],
1769: '2' => []
1770: },
1771: },
1772: 'a4' => {
1773: 'book' => {
1774: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1775: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1776: },
1777: 'album' => {
1778: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1779: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1780: },
1781: },
1782: 'a5' => {
1783: 'book' => {
1784: '1' => [],
1785: '2' => []
1786: },
1787: 'album' => {
1788: '1' => [],
1789: '2' => []
1790: },
1791: },
1792: 'a6' => {
1793: 'book' => {
1794: '1' => [],
1795: '2' => []
1796: },
1797: 'album' => {
1798: '1' => [],
1799: '2' => []
1800: },
1801: },
1802: );
1803:
1804: sub page_format {
1805: #
1806: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1807: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1808: # "A2 [420x594 mm]", "A3 [297x420 mm]",
1809: # "A4 [210x297 mm]", "A5 [148x210 mm]",
1810: # "A6 [105x148 mm]"
1811: #
1812: my ($papersize,$layout,$numberofcolumns) = @_;
1813: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1814: }
1815:
1816:
1817: sub get_name {
1818: my ($uname,$udom)=@_;
1819: if (!defined($uname)) { $uname=$env{'user.name'}; }
1820: if (!defined($udom)) { $udom=$env{'user.domain'}; }
1821: my $plainname=&Apache::loncommon::plainname($uname,$udom);
1822: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1823: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1824: return $plainname;
1825: }
1826:
1827: sub get_course {
1828: my $courseidinfo;
1829: if (defined($env{'request.course.id'})) {
1830: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1831: my $sec = $env{'request.course.sec'};
1832:
1833: }
1834: return $courseidinfo;
1835: }
1836:
1837: sub page_format_transformation {
1838: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
1839: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1840:
1841: if ($selectionmade eq '4') {
1842: if ($choice eq 'all_problems') {
1843: $assignment=&mt('Problems from the Whole Course');
1844: } else {
1845: $assignment=&mt('Resources from the Whole Course');
1846: }
1847: } else {
1848: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
1849: }
1850: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1851:
1852:
1853: my $name = &get_name();
1854: my $courseidinfo = &get_course();
1855: my $header_text = $parmhash{'print_header_format'};
1856: $header_text = &format_page_header($textwidth, $header_text, $assignment,
1857: $courseidinfo, $name);
1858: my $topmargintoinsert = '';
1859: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1860: my $fancypagestatement='';
1861: if ($numberofcolumns eq '2') {
1862: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1863: } else {
1864: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1865: }
1866: if ($layout eq 'album') {
1867: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1868: } elsif ($layout eq 'book') {
1869: if ($choice ne 'All class print') {
1870: $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/;
1871: } else {
1872: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
1873: }
1874: if ($papersize eq 'a4') {
1875: my $papersize_text;
1876: if ($perm{'pav'}) {
1877: $papersize_text = '\\special{papersize=210mm,297mm}';
1878: } else {
1879: $papersize_text = '\special{papersize=210mm,297mm}';
1880: }
1881: $text =~ s/(\\begin{document})/$1$papersize_text/;
1882: }
1883: }
1884: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
1885: if ($indexlist eq 'yes') {
1886: $text=~s/(\\begin{document})/\\makeindex $1/;
1887: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
1888: }
1889: return $text;
1890: }
1891:
1892:
1893: sub page_cleanup {
1894: my $result = shift;
1895:
1896: $result =~ m/\\end{document}(\d*)$/;
1897: my $number_of_columns = $1;
1898: my $insert = '{';
1899: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1900: $insert .= '}';
1901: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1902: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
1903: return $result,$number_of_columns;
1904: }
1905:
1906:
1907: sub details_for_menu {
1908: my ($helper)=@_;
1909: my $postdata=$env{'form.postdata'};
1910: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
1911: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
1912: my $symbolic = &Apache::lonnet::symbread($postdata);
1913: return if ( $symbolic eq '');
1914:
1915: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1916: $map=&Apache::lonnet::clutter($map);
1917: my $name_of_sequence = &Apache::lonnet::gettitle($map);
1918: if ($name_of_sequence =~ /^\s*$/) {
1919: $map =~ m|([^/]+)$|;
1920: $name_of_sequence = $1;
1921: }
1922: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1923: if ($name_of_map =~ /^\s*$/) {
1924: $env{'request.course.uri'} =~ m|([^/]+)$|;
1925: $name_of_map = $1;
1926: }
1927: return ($name_of_resource,$name_of_sequence,$name_of_map);
1928: }
1929:
1930: sub copyright_line {
1931: 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 } ';
1932: }
1933: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1934:
1935: sub latex_corrections {
1936: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1937: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1938: my $copyright = ©right_line();
1939: if ($selectionmade eq '1' || $answer_mode eq 'only') {
1940: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1941: } else {
1942: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1943: }
1944: $result =~ s/\$number_of_columns/$number_of_columns/g;
1945: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
1946: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1947: #-- LaTeX corrections
1948: my $first_comment = index($result,'<!--',0);
1949: while ($first_comment != -1) {
1950: my $end_comment = index($result,'-->',$first_comment);
1951: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
1952: $first_comment = index($result,'<!--',$first_comment);
1953: }
1954: $result =~ s/^\s+$//gm; #remove empty lines
1955: #removes more than one empty space
1956: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1957: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
1958: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
1959: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1960: $result =~ s/\\\\\s+\[/ \[/g;
1961: #conversion of html characters to LaTeX equivalents
1962: if ($result =~ m/&(\w+|#\d+);/) {
1963: $result = &character_chart($result);
1964: }
1965: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
1966: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
1967: return $result;
1968: }
1969:
1970:
1971: sub index_table {
1972: my $currentURL = shift;
1973: my $insex_string='';
1974: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
1975: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
1976: return $insex_string;
1977: }
1978:
1979:
1980: sub IndexCreation {
1981: my ($texversion,$currentURL)=@_;
1982: my @key_words=split(/,/,&index_table($currentURL));
1983: my $chunk='';
1984: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
1985: if ($st>0) {
1986: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
1987: $chunk=substr($texversion,0,$st+1);
1988: substr($texversion,0,$st+1)=' ';
1989: }
1990: foreach my $key_word (@key_words) {
1991: if ($key_word=~/\S+/) {
1992: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
1993: }
1994: }
1995: if ($st>0) {substr($texversion,0,1)=$chunk;}
1996: return $texversion;
1997: }
1998:
1999: sub print_latex_header {
2000: my $mode=shift;
2001:
2002: return &Apache::londefdef::latex_header($mode);
2003: }
2004:
2005: sub path_to_problem {
2006: my ($urlp,$colwidth)=@_;
2007: $urlp=&Apache::lonnet::clutter($urlp);
2008:
2009: my $newurlp = '';
2010: $colwidth=~s/\s*mm\s*$//;
2011: #characters average about 2 mm in width
2012: if (length($urlp)*2 > $colwidth) {
2013: my @elements = split('/',$urlp);
2014: my $curlength=0;
2015: foreach my $element (@elements) {
2016: if ($element eq '') { next; }
2017: if ($curlength+(length($element)*2) > $colwidth) {
2018: $newurlp .= '|\vskip -1 mm \verb|';
2019: $curlength=length($element)*2;
2020: } else {
2021: $curlength+=length($element)*2;
2022: }
2023: $newurlp.='/'.$element;
2024: }
2025: } else {
2026: $newurlp=$urlp;
2027: }
2028: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
2029: }
2030:
2031: sub recalcto_mm {
2032: my $textwidth=shift;
2033: my $LaTeXwidth;
2034: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
2035: $LaTeXwidth = $1*10;
2036: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
2037: $LaTeXwidth = $1;
2038: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
2039: $LaTeXwidth = $1*25.4;
2040: }
2041: $LaTeXwidth.=' mm';
2042: return $LaTeXwidth;
2043: }
2044:
2045: sub get_textwidth {
2046: my ($helper,$LaTeXwidth)=@_;
2047: my $textwidth=$LaTeXwidth;
2048: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
2049: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
2050: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
2051: $helper->{'VARS'}->{'pagesize.widthunit'});
2052: }
2053: return $textwidth;
2054: }
2055:
2056:
2057: sub unsupported {
2058: my ($currentURL,$mode,$symb)=@_;
2059: if ($mode ne '') {$mode='\\'.$mode}
2060: my $result.= &print_latex_header($mode);
2061: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
2062: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
2063: my $title=&Apache::lonnet::gettitle($symb);
2064: $title = &Apache::lonxml::latex_special_symbols($title);
2065: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
2066: } else {
2067: $result.=$currentURL;
2068: }
2069: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2070: return $result;
2071: }
2072:
2073: #
2074: # Map from helper layout style to the book/album:
2075: #
2076: sub map_laystyle {
2077: my ($laystyle) = @_;
2078: if ($laystyle eq 'L') {
2079: $laystyle='album';
2080: } else {
2081: $laystyle='book';
2082: }
2083: return $laystyle;
2084: }
2085:
2086: sub print_page_in_course {
2087: my ($helper, $rparmhash, $currentURL, $resources) = @_;
2088:
2089: my %parmhash = %$rparmhash;
2090: my @page_resources = @$resources;
2091: my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
2092: my $symb = $helper->{'VARS'}->{'symb'};
2093:
2094:
2095: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2096:
2097:
2098: my @temporary_array=split /\|/,$format_from_helper;
2099: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2100: $laystyle = &map_laystyle($laystyle);
2101: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
2102: $numberofcolumns);
2103: my $LaTeXwidth=&recalcto_mm($textwidth);
2104:
2105:
2106: if ($mode ne '') {$mode='\\'.$mode}
2107: my $result = &print_latex_header($mode);
2108: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
2109: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
2110: my $title=&Apache::lonnet::gettitle($symb);
2111: $title = &Apache::lonxml::latex_special_symbols($title);
2112: } else {
2113: my $esc_currentURL= $currentURL;
2114: $esc_currentURL =~ s/_/\\_/g;
2115: $result.=$esc_currentURL;
2116: }
2117: $result .= '\\\\';
2118:
2119: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2120: &Apache::lonnet::appenv({'construct.style' =>
2121: $helper->{'VARS'}->{'style_file'}});
2122: } elsif ($env{'construct.style'}) {
2123: &Apache::lonnet::delenv('construct.style');
2124: }
2125:
2126: # First is the overall page description. This is then followed by the
2127: # components of the page. Each of which must be printed independently.
2128: my $the_page = shift(@page_resources);
2129:
2130:
2131: foreach my $resource (@page_resources) {
2132: my $resource_src = $resource->src(); # Essentially the URL of the resource.
2133: $result .= $resource->title() . '\\\\';
2134:
2135: # Recurse if a .page:
2136:
2137: if ($resource_src =~ /.page$/i) {
2138: my $navmap = Apache::lonnavmaps::navmap->new();
2139: my @page_resources = $navmap->retrieveResources($resource_src);
2140: $result .= &print_page_in_course($helper, $rparmhash,
2141: $resource_src, \@page_resources);
2142: }
2143: # these resources go through the XML transformer:
2144:
2145: elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2146:
2147: my $urlp = &Apache::lonnet::clutter($resource_src);
2148:
2149: my %form;
2150: my %moreenv;
2151:
2152: &Apache::lonxml::remember_problem_counter();
2153: $moreenv{'request.filename'}=$urlp;
2154: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2155:
2156: $form{'grade_target'} = 'tex';
2157: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2158: $form{'pdfFormFields'} = $pdfFormFields; #
2159: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2160:
2161: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2162: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2163: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2164: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2165: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2166: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2167: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2168: $form{'problem_split'}='yes';
2169: }
2170: my $rndseed = time;
2171: if ($helper->{'VARS'}->{'curseed'}) {
2172: $rndseed=$helper->{'VARS'}->{'curseed'};
2173: }
2174: $form{'rndseed'}=$rndseed;
2175: &Apache::lonnet::appenv(\%moreenv);
2176:
2177: &Apache::lonxml::clear_problem_counter();
2178:
2179: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
2180:
2181:
2182: # current document with answers.. no need to encap in minipage
2183: # since there's only one answer.
2184:
2185: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2186: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2187: my %answerform = %form;
2188:
2189:
2190: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2191: $answerform{'grade_target'}='answer';
2192: $answerform{'answer_output_mode'}='tex';
2193: $answerform{'rndseed'}=$rndseed;
2194: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2195: $answerform{'problemtype'}='exam';
2196: }
2197: $resources_printed .= $urlp.':';
2198: my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
2199:
2200: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2201: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2202: } else {
2203: $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2204: if ($helper->{'VARS'}->{'construction'} ne '1') {
2205: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2206: $title = &Apache::lonxml::latex_special_symbols($title);
2207: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2208: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2209: } else {
2210: $texversion.='\vskip 0 mm \noindent\textbf{'.
2211: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
2212: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2213: }
2214: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2215: }
2216:
2217:
2218:
2219:
2220:
2221: }
2222: # Print annotations.
2223:
2224:
2225: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2226: my $annotation .= &annotate($currentURL);
2227: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
2228: }
2229:
2230: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2231: $texversion=&IndexCreation($texversion,$currentURL);
2232: }
2233: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2234: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2235:
2236: }
2237: $texversion = &latex_header_footer_remove($texversion);
2238:
2239: # the first remaining line is a comment from londefdef the second
2240: # line seems to be an extraneous \vskip 1mm \\\\ :
2241: # (imperfect removal from header_footer_remove?
2242:
2243: $texversion =~ s/\\vskip 1mm \\\\\\\\//;
2244:
2245: $result .= $texversion;
2246: if ($currentURL=~m/\.page\s*$/) {
2247: ($result,$numberofcolumns) = &page_cleanup($result);
2248: }
2249: }
2250: }
2251:
2252: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2253: return $result;
2254: }
2255:
2256:
2257: #
2258: # List of recently generated print files
2259: #
2260: sub recently_generated {
2261: my ($prtspool) = @_;
2262: my $output;
2263: my $zip_result;
2264: my $pdf_result;
2265: opendir(DIR,$prtspool);
2266:
2267: my @files =
2268: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
2269: closedir(DIR);
2270:
2271: @files = sort {
2272: my ($actime) = (stat($prtspool.'/'.$a))[10];
2273: my ($bctime) = (stat($prtspool.'/'.$b))[10];
2274: return $bctime <=> $actime;
2275: } (@files);
2276:
2277: foreach my $filename (@files) {
2278: my ($ext) = ($filename =~ m/(pdf|zip)$/);
2279: my ($cdev,$cino,$cmode,$cnlink,
2280: $cuid,$cgid,$crdev,$csize,
2281: $catime,$cmtime,$cctime,
2282: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
2283: my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
2284: my $result=&Apache::loncommon::start_data_table_row()
2285: .'<td>'
2286: .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
2287: .'</td>'
2288: .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
2289: .'<td align="right">'.$csize.'</td>'
2290: .&Apache::loncommon::end_data_table_row();
2291: if ($ext eq 'pdf') { $pdf_result .= $result; }
2292: if ($ext eq 'zip') { $zip_result .= $result; }
2293: }
2294: if ($zip_result || $pdf_result) {
2295: $output ='<hr />';
2296: }
2297: if ($zip_result) {
2298: $output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
2299: .&Apache::loncommon::start_data_table()
2300: .&Apache::loncommon::start_data_table_header_row()
2301: .'<th>'.&mt('Download').'</th>'
2302: .'<th>'.&mt('Creation Date').'</th>'
2303: .'<th>'.&mt('File Size (Bytes)').'</th>'
2304: .&Apache::loncommon::end_data_table_header_row()
2305: .$zip_result
2306: .&Apache::loncommon::end_data_table();
2307: }
2308: if ($pdf_result) {
2309: $output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
2310: .&Apache::loncommon::start_data_table()
2311: .&Apache::loncommon::start_data_table_header_row()
2312: .'<th>'.&mt('Download').'</th>'
2313: .'<th>'.&mt('Creation Date').'</th>'
2314: .'<th>'.&mt('File Size (Bytes)').'</th>'
2315: .&Apache::loncommon::end_data_table_header_row()
2316: .$pdf_result
2317: .&Apache::loncommon::end_data_table();
2318: }
2319: return $output;
2320: }
2321:
2322: #
2323: # Retrieve the hash of page breaks.
2324: #
2325: # Inputs:
2326: # helper - reference to helper object.
2327: # Outputs
2328: # A reference to a page break hash.
2329: #
2330: #
2331: # use Data::Dumper;
2332: # sub dump_helper_vars {
2333: # my ($helper) = @_;
2334: # my $helpervars = Dumper($helper->{'VARS'});
2335: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
2336: #}
2337:
2338: sub get_page_breaks {
2339: my ($helper) = @_;
2340: my %page_breaks;
2341:
2342: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
2343: $page_breaks{$break} = 1;
2344: }
2345: return %page_breaks;
2346: }
2347: #
2348: # Returns text to insert for any extra vskip prior to the resource.
2349: # Parameters:
2350: # helper - Reference to the helper object driving the printout.
2351: # resource - Identifies the resource about to be printed.
2352: #
2353: # This is done as follows:
2354: # POSSIBLE_RESOURCES has the list of possible resources.
2355: # EXTRASPACE has the list of extra space values.
2356: # EXTRASPACE_UNITS is the set of resources for which the units are
2357: # mm. All others are 'in'.
2358: #
2359: # The resource is found in the POSSIBLE_RESOURCES to get the index
2360: # of the EXTRASPACE value.
2361: #
2362: # In order to speed this up for lengthy printouts, the first time,
2363: # POSSIBLE_RESOURCES is turned into a look up hash and
2364: # EXTRASPACE is turned into an array.
2365: #
2366:
2367:
2368: my %possible_resources;
2369: my %extraspace_mm;
2370: my @extraspace;
2371: my $skips_loaded = 0;
2372:
2373: # Function to load the skips hash and array
2374:
2375: sub load_skips {
2376:
2377: my ($helper) = @_;
2378:
2379: # If this is the first time, unrap the resources and extra spaces:
2380:
2381: if (!$skips_loaded) {
2382: @extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
2383: my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
2384: my $i = 0;
2385: foreach my $resource (@resource_list) {
2386: $possible_resources{$resource} = $i;
2387: $i++;
2388: }
2389: foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
2390: $extraspace_mm{$mm_resource} = 1;
2391: }
2392: $skips_loaded = 1;
2393: }
2394: }
2395:
2396: sub get_extra_vspaces {
2397: my ($helper, $resource) = @_;
2398:
2399: &load_skips($helper);
2400:
2401: # Lookup the resource in the possible resources hash.. that is the index
2402: # into the extraspace array that gives us either an empty string or
2403: # the number of mm to skip:
2404:
2405: my $index = $possible_resources{$resource};
2406: my $skip = $extraspace[$index];
2407:
2408: my $result = '';
2409: if ($skip ne '') {
2410: my $units = 'in';
2411: if (defined($extraspace_mm{$resource})) {
2412: $units = 'mm';
2413: }
2414: $result = '\vskip '.$skip.' '.$units;
2415: }
2416:
2417:
2418: return $result;
2419:
2420:
2421: }
2422:
2423: #
2424: # The resource chooser part of the helper needs more than just
2425: # the value of the extraspaces var to recover the value into a text
2426: # field option. This sub produces the required format for the saved var:
2427: # specifically
2428: # ||| separated fields of the form resourcename=value
2429: #
2430: # Parameters:
2431: # $helper - Refers to the helper we are configuring
2432: # Implicit input:
2433: # $helper->{'VARS'}->{'EXTRASPACE'} - the spaces helper var has the text field
2434: # value.
2435: # $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
2436: # $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} - has the list of resources. |||
2437: # separated of course.
2438: # Implicit outputs:
2439: # $env{'form.extraspace'}
2440: # $env{'form.extraspace_units'}
2441: #
2442: sub set_form_extraspace {
2443: my ($helper) = @_;
2444:
2445: # the most convenient way to do this is to drive from the skips arrays/hash.
2446: # may not be the fastest, but this is once per print request so it's not so
2447: # speed critical:
2448:
2449: &load_skips($helper);
2450:
2451: my $result = '';
2452:
2453: foreach my $resource (keys(%possible_resources)) {
2454: my $vskip = $extraspace[$possible_resources{$resource}];
2455: $result .= $resource .'=' . $vskip . '|||';
2456: }
2457:
2458: $env{'form.extraspace'} = $result;
2459: $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
2460: return $result;
2461:
2462: }
2463:
2464: # Output a sequence (recursively if neeed)
2465: # from construction space.
2466: # Parameters:
2467: # url = URL of the sequence to print.
2468: # helper - Reference to the helper hash.
2469: # form - Copy of the format hash.
2470: # LaTeXWidth
2471: # Returns:
2472: # Text to add to the printout.
2473: # NOTE if the first element of the outermost sequence
2474: # is itself a sequence, the outermost caller may need to
2475: # prefix the latex with the page headers stuff.
2476: #
2477: sub print_construction_sequence {
2478: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
2479:
2480: my $result;
2481: my $rndseed=time;
2482: if ($helper->{'VARS'}->{'curseed'}) {
2483: $rndseed=$helper->{'VARS'}->{'curseed'};
2484: }
2485: my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL));
2486:
2487: #
2488: # These make this all support recursing for subsequences.
2489: #
2490: my @order = @LONCAPA::map::order;
2491: my @resources = @LONCAPA::map::resources;
2492:
2493: for (my $member=0;$member<=$#order;$member++) {
2494: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
2495: my $urlp=$2;
2496: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2497: my $texversion='';
2498: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2499: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2500: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2501: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2502: $form{'rndseed'}=$rndseed;
2503: $resources_printed .=$urlp.':';
2504: $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2505: }
2506: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2507: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
2508: ($urlp=~/$LONCAPA::assess_page_re/)) {
2509: # Don't permanently modify %$form...
2510: my %answerform = %form;
2511: $answerform{'grade_target'}='answer';
2512: $answerform{'answer_output_mode'}='tex';
2513: $answerform{'rndseed'}=$rndseed;
2514: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2515: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
2516: $resources_printed .= $urlp.':';
2517: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2518: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2519: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2520: } else {
2521: # If necessary, encapsulate answer in minipage:
2522:
2523: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2524: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2525: $title = &Apache::lonxml::latex_special_symbols($title);
2526: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2527: $body.=&path_to_problem($urlp,$LaTeXwidth);
2528: $body.='\vskip 1 mm '.$answer.'\end{document}';
2529: $body = &encapsulate_minipage($body);
2530: $texversion.=$body;
2531: }
2532: }
2533: $texversion = &latex_header_footer_remove($texversion);
2534:
2535: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2536: $texversion=&IndexCreation($texversion,$urlp);
2537: }
2538: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2539: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
2540: }
2541: $result.=$texversion;
2542:
2543: } elsif ($urlp=~/\.(sequence|page)$/) {
2544:
2545: # header:
2546:
2547: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
2548:
2549: # IF sequence, recurse:
2550:
2551: if ($urlp =~ /\.sequence$/) {
2552: $result .= &print_construction_sequence($urlp,
2553: $helper, %form,
2554: $LaTeXwidth);
2555: }
2556: }
2557: elsif ($urlp =~ /\.pdf$/i) {
2558: my $texversion;
2559: if ($member != 0) {
2560: $texversion .= '\cleardoublepage';
2561: }
2562:
2563: $texversion .= &include_pdf($urlp);
2564: $texversion = &latex_header_footer_remove($texversion);
2565: if ($member != $#order) {
2566: $texversion .= '\\ \cleardoublepage';
2567: }
2568:
2569: $result .= $texversion;
2570: }
2571: }
2572: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
2573: return $result;
2574: }
2575:
2576: #
2577: # Top level for generating print output.
2578: #
2579: # May call print_resources if multiple resources will be printed.
2580: #
2581: # The main driver is $selectionmade which reflects the type of print out
2582: # requested:
2583: # Value Print type:
2584: # 1 Print resource that's being looked at.
2585: # 2 Print problems in a map or in a page.
2586: # 3 Print pages in a map or resources in a page.
2587: # 4 Print all problems or all resources.
2588: # 5 Print problems for seleted students.
2589: # 6 Print selected problems from a folder.
2590: # 7 Print print selected resources from some scope.
2591: # 8 Print resources for selected students.
2592: #
2593: #BZ 5209
2594: # 2 map_incomplete_problems_seq Print incomplete problems from the current
2595: # folder in student context.
2596: # 5 map_incomplete_problems_people_seq Print incomplete problems from the
2597: # current folder in privileged context.
2598: # 5 incomplete_problems_selpeople_course Print incomplete problems for
2599: # selected people from the entire course.
2600: #
2601: # Item 101 has much the same processing as 8,
2602: #
2603: # Differences: Item 101, 102 require per-student filtering of the resource
2604: # set so that only the incomplete resources are printed.
2605: # For item 100, filtering was done at the helper level.
2606:
2607: sub output_data {
2608: my ($r,$helper,$rparmhash) = @_;
2609: my %parmhash = %$rparmhash;
2610: $ssi_error = 0; # This will be set nonzero by failing ssi's.
2611: $resources_printed = '';
2612: $font_size = $helper->{'VARS'}->{'fontsize'};
2613: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
2614: my $do_postprocessing = 1;
2615: my $js = <<ENDPART;
2616: <script type="text/javascript">
2617: var editbrowser;
2618: function openbrowser(formname,elementname,only,omit) {
2619: var url = '/res/?';
2620: if (editbrowser == null) {
2621: url += 'launch=1&';
2622: }
2623: url += 'catalogmode=interactive&';
2624: url += 'mode=parmset&';
2625: url += 'form=' + formname + '&';
2626: if (only != null) {
2627: url += 'only=' + only + '&';
2628: }
2629: if (omit != null) {
2630: url += 'omit=' + omit + '&';
2631: }
2632: url += 'element=' + elementname + '';
2633: var title = 'Browser';
2634: var options = 'scrollbars=1,resizable=1,menubar=0';
2635: options += ',width=700,height=600';
2636: editbrowser = open(url,title,options,'1');
2637: editbrowser.focus();
2638: }
2639: </script>
2640: ENDPART
2641:
2642:
2643: # Breadcrumbs
2644: #FIXME: Choose better/different breadcrumbs?!? Links?
2645: my $brcrum = [{'href' => '',
2646: 'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
2647: {'href' => '',
2648: 'text' => 'Preparing Printout'}];
2649:
2650: my $start_page = &Apache::loncommon::start_page('Preparing Printout',
2651: $js,
2652: {'bread_crumbs' => $brcrum,});
2653: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
2654:
2655: $r->print($start_page."\n<p>\n$msg\n</p>\n");
2656:
2657: # fetch the pagebreaks and store them in the course environment
2658: # The page breaks will be pulled into the hash %page_breaks which is
2659: # indexed by symb and contains 1's for each break.
2660:
2661: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
2662: &set_form_extraspace($helper);
2663: $env{'form.lastprinttype'} = $print_type;
2664: &Apache::loncommon::store_course_settings('print',
2665: {'pagebreaks' => 'scalar',
2666: 'extraspace' => 'scalar',
2667: 'extraspace_units' => 'scalar',
2668: 'lastprinttype' => 'scalar'});
2669: my %page_breaks = &get_page_breaks($helper);
2670:
2671: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2672: my ($result,$selectionmade) = ('','');
2673: my $number_of_columns = 1; #used only for pages to determine the width of the cell
2674: my @temporary_array=split /\|/,$format_from_helper;
2675: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2676:
2677: $laystyle = &map_laystyle($laystyle);
2678: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
2679: my $assignment = $env{'form.assignment'};
2680: my $LaTeXwidth=&recalcto_mm($textwidth);
2681: my @print_array=();
2682: my @student_names=();
2683:
2684:
2685: # Common settings for the %form has:
2686: # In some cases these settings get overriddent by specific cases, but the
2687: # settings are common enough to make it worthwhile factoring them out
2688: # here.
2689: #
2690: my %form;
2691: $form{'grade_target'} = 'tex';
2692: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2693: $form{'pdfFormFields'} = $pdfFormFields;
2694:
2695: # If form.showallfoils is set, then request all foils be shown:
2696: # privilege will be enforced both by not allowing the
2697: # check box selecting this option to be presnt unless it's ok,
2698: # and by lonresponse's priv. check.
2699: # The if is here because lonresponse.pm only cares that
2700: # showallfoils is defined, not what the value is.
2701:
2702: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
2703: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2704: }
2705:
2706: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2707: &Apache::lonnet::appenv({'construct.style' =>
2708: $helper->{'VARS'}->{'style_file'}});
2709: } elsif ($env{'construct.style'}) {
2710: &Apache::lonnet::delenv('construct.style');
2711: }
2712:
2713: if ($print_type eq 'current_document') {
2714: #-- single document - problem, page, html, xml, ...
2715: my ($currentURL,$cleanURL);
2716:
2717: if ($helper->{'VARS'}->{'construction'} ne '1') {
2718: #prints published resource
2719: $currentURL=$helper->{'VARS'}->{'postdata'};
2720: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
2721: } else {
2722:
2723: #prints resource from the construction space
2724: $currentURL=$helper->{'VARS'}->{'filename'};
2725: $cleanURL=$currentURL;
2726: }
2727: $selectionmade = 1;
2728:
2729: if ($cleanURL!~m|^/adm/|
2730: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2731: my $rndseed=time;
2732: my $texversion='';
2733: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2734: my %moreenv;
2735: $moreenv{'request.filename'}=$cleanURL;
2736: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2737: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2738: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2739: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2740: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2741: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2742: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2743: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2744: $form{'problem_split'}='yes';
2745: }
2746: if ($helper->{'VARS'}->{'curseed'}) {
2747: $rndseed=$helper->{'VARS'}->{'curseed'};
2748: }
2749: $form{'rndseed'}=$rndseed;
2750: &Apache::lonnet::appenv(\%moreenv);
2751:
2752: &Apache::lonxml::clear_problem_counter();
2753:
2754: $resources_printed .= $currentURL.':';
2755: $texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2756:
2757: # Add annotations if required:
2758:
2759: &Apache::lonxml::clear_problem_counter();
2760:
2761: &Apache::lonnet::delenv('request.filename');
2762: }
2763: # current document with answers.. no need to encap in minipage
2764: # since there's only one answer.
2765:
2766: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2767: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2768:
2769: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2770: $form{'grade_target'}='answer';
2771: $form{'answer_output_mode'}='tex';
2772: $form{'rndseed'}=$rndseed;
2773: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2774: $form{'problemtype'}='exam';
2775: }
2776: $resources_printed .= $currentURL.':';
2777: my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2778:
2779:
2780: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2781: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2782: } else {
2783: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2784: if ($helper->{'VARS'}->{'construction'} ne '1') {
2785: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2786: $title = &Apache::lonxml::latex_special_symbols($title);
2787: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2788: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2789: } else {
2790: $texversion.='\vskip 0 mm \noindent\textbf{'.
2791: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
2792:
2793: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2794: }
2795: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2796: }
2797:
2798:
2799:
2800:
2801:
2802: }
2803: # Print annotations.
2804:
2805:
2806: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2807: my $annotation .= &annotate($currentURL);
2808: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
2809: }
2810:
2811:
2812: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2813: $texversion=&IndexCreation($texversion,$currentURL);
2814: }
2815: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2816: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2817:
2818: }
2819: $result .= $texversion;
2820: if ($currentURL=~m/\.page\s*$/) {
2821: ($result,$number_of_columns) = &page_cleanup($result);
2822: }
2823: } elsif ($cleanURL!~m|^/adm/|
2824: && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
2825: $result .= &print_construction_sequence($currentURL, $helper, %form,
2826: $LaTeXwidth);
2827: $result .= '\end{document}';
2828: if (!($result =~ /\\begin\{document\}/)) {
2829: $result = &print_latex_header() . $result;
2830: }
2831: # End construction space sequence.
2832: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
2833: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2834: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
2835: $resources_printed .= $currentURL.':';
2836: my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
2837: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2838: my $annotation = &annotate($currentURL);
2839: $texversion =~ s/(\\end{document})/$annotation$1/;
2840: }
2841: $result .= $texversion;
2842: } elsif ($cleanURL =~/\.tex$/) {
2843: # For this sort of print of a single LaTeX file,
2844: # We can just print the LaTeX file as it is uninterpreted in any way:
2845: #
2846:
2847: $result = &fetch_raw_resource($currentURL);
2848: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2849: my $annotation = &annotate($currentURL);
2850: $result =~ s/(\\end{document})/$annotation$1/;
2851: }
2852:
2853: $do_postprocessing = 0; # Don't massage the result.
2854:
2855: } elsif ($cleanURL =~ /\.pdf$/i) {
2856: $result .= &include_pdf($cleanURL);
2857: $result .= '\end{document}';
2858: } elsif ($cleanURL =~ /\.page$/i) { # Print page in non construction space contexts.
2859:
2860: # Determine the set of resources in the map of the page:
2861:
2862: my $navmap = Apache::lonnavmaps::navmap->new();
2863: my @page_resources = $navmap->retrieveResources($cleanURL);
2864: $result .= &print_page_in_course($helper, $rparmhash,
2865: $cleanURL, \@page_resources);
2866:
2867:
2868: } else {
2869: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
2870: $helper->{'VARS'}->{'symb'});
2871: }
2872: } elsif (($print_type eq 'map_problems') or
2873: ($print_type eq 'map_problems_in_page') or
2874: ($print_type eq 'map_resources_in_page') or
2875: ($print_type eq 'map_problems_pages') or
2876: ($print_type eq 'all_problems') or
2877: ($print_type eq 'all_resources') or # BUGBUG
2878: ($print_type eq 'select_sequences') or
2879: ($print_type eq 'map_incomplete_problems_seq')
2880: ) {
2881:
2882:
2883: #-- produce an output string
2884: if (($print_type eq 'map_problems') or
2885: ($print_type eq 'map_incomplete_problems_seq') or
2886: ($print_type eq 'map_problems_in_page') ) {
2887: $selectionmade = 2;
2888: } elsif (($print_type eq 'map_problems_pages') or
2889: ($print_type eq 'map_resources_in_page'))
2890: {
2891: $selectionmade = 3;
2892: } elsif (($print_type eq 'all_problems')
2893: ) {
2894: $selectionmade = 4;
2895: } elsif ($print_type eq 'all_resources') { #BUGBUG
2896: $selectionmade = 4;
2897: } elsif ($print_type eq 'select_sequences') {
2898: $selectionmade = 7;
2899: }
2900:
2901: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2902: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2903: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2904: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2905: $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2906: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2907: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
2908: $form{'problem_split'}='yes';
2909: }
2910: my $flag_latex_header_remove = 'NO';
2911: my $flag_page_in_sequence = 'NO';
2912: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
2913: my $prevassignment='';
2914:
2915: &Apache::lonxml::clear_problem_counter();
2916:
2917: my $pbreakresources = keys %page_breaks;
2918: for (my $i=0;$i<=$#master_seq;$i++) {
2919:
2920: &Apache::lonenc::reset_enc();
2921:
2922:
2923: # Note due to document structure, not allowed to put \newpage
2924: # prior to the first resource
2925:
2926: if (defined $page_breaks{$master_seq[$i]}) {
2927: if($i != 0) {
2928: $result.="\\newpage\n";
2929: }
2930: }
2931: $result .= &get_extra_vspaces($helper, $master_seq[$i]);
2932: my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
2933: $urlp=&Apache::lonnet::clutter($urlp);
2934: $form{'symb'}=$master_seq[$i];
2935:
2936: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
2937:
2938: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
2939: if ($i==0) {$prevassignment=$assignment;}
2940: my $texversion='';
2941: if ($urlp!~m|^/adm/|
2942: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
2943: $resources_printed .= $urlp.':';
2944: &Apache::lonxml::remember_problem_counter();
2945: if ($flag_latex_header_remove eq 'NO') {
2946: $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); # RF
2947: unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
2948: (($i==0) &&
2949: (($urlp=~/\.page$/) ||
2950: ($print_type eq 'map_problems_in_page') ||
2951: ($print_type eq 'map_resources_in_page')))) {
2952: $flag_latex_header_remove = 'YES';
2953: }
2954: }
2955: $texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2956: if ($urlp=~/\.page$/) {
2957: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
2958: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
2959: $texversion =~ s/\\end{document}\d*/\\end{document}/;
2960: $flag_page_in_sequence = 'YES';
2961: }
2962:
2963: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2964: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2965: # Don't permanently pervert the %form hash
2966: my %answerform = %form;
2967: $answerform{'grade_target'}='answer';
2968: $answerform{'answer_output_mode'}='tex';
2969: $resources_printed .= $urlp.':';
2970:
2971: &Apache::lonxml::restore_problem_counter();
2972: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2973: if ($urlp =~ /\.page$/) {
2974: $answer =~ s/\\end{document}(\d*)$//;
2975: }
2976: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2977: if ($urlp =~ /\.page$/) {
2978: my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
2979: my $lastprob = pop(@probs);
2980: $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
2981: $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
2982: } else {
2983: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2984: }
2985: } else {
2986: if ($urlp=~/$LONCAPA::assess_page_re/) {
2987: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2988: # $texversion =~ s/\\begin{document}//; # FIXME
2989: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
2990: $title = &Apache::lonxml::latex_special_symbols($title);
2991: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2992: $body .= &path_to_problem ($urlp,$LaTeXwidth);
2993: $body .='\vskip 1 mm '.$answer;
2994: $body = &encapsulate_minipage($body);
2995: $texversion .= $body;
2996: } else {
2997: $texversion='';
2998: }
2999: }
3000:
3001: }
3002: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3003: my $annotation .= &annotate($urlp);
3004: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
3005: }
3006:
3007: if ($flag_latex_header_remove ne 'NO') {
3008: $texversion = &latex_header_footer_remove($texversion);
3009: } else {
3010: $texversion =~ s/\\end{document}//;
3011: }
3012: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3013: $texversion=&IndexCreation($texversion,$urlp);
3014: }
3015: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
3016: my $name = &get_name();
3017: my $courseidinfo = &get_course();
3018: $prevassignment=$assignment;
3019: my $header_text = $parmhash{'print_header_format'};
3020: $header_text = &format_page_header($textwidth, $header_text,
3021: $assignment,
3022: $courseidinfo,
3023: $name);
3024: if ($numberofcolumns eq '1') {
3025: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
3026: } else {
3027: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
3028: }
3029: }
3030: $result .= $texversion;
3031: $flag_latex_header_remove = 'YES';
3032: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
3033: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3034: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
3035: $resources_printed .= $urlp.':';
3036: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
3037: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3038: my $annotation = &annotate($urlp);
3039: $texversion =~ s/(\\end{document)/$annotation$1/;
3040: }
3041:
3042: if ($flag_latex_header_remove ne 'NO') {
3043: $texversion = &latex_header_footer_remove($texversion);
3044: } else {
3045: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
3046: }
3047: $result .= $texversion;
3048: $flag_latex_header_remove = 'YES';
3049: } elsif ($urlp=~ /\.pdf$/i) {
3050: if ($i > 0) {
3051: $result .= '\cleardoublepage';
3052: }
3053: my $texfrompdf = &include_pdf($urlp);
3054: if ($flag_latex_header_remove ne 'NO') {
3055: $texfrompdf = &latex_header_footer_remove($texfrompdf);
3056: }
3057: $result .= $texfrompdf;
3058: if ($i != $#master_seq) {
3059: if ($numberofcolumns eq '1') {
3060: $result .= '\newpage';
3061: } else {
3062: # the \\'s seem to be needed to let LaTeX know there's something
3063: # on the page since LaTeX seems to not like to clear an empty page.
3064: #
3065: $result .= '\\ \cleardoublepage';
3066: }
3067: }
3068: $flag_latex_header_remove = 'YES';
3069:
3070: } else {
3071: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
3072: $master_seq[$i]);
3073: if ($flag_latex_header_remove ne 'NO') {
3074: $texversion = &latex_header_footer_remove($texversion);
3075: } else {
3076: $texversion =~ s/\\end{document}//;
3077: }
3078: $result .= $texversion;
3079: $flag_latex_header_remove = 'YES';
3080: }
3081: if (&Apache::loncommon::connection_aborted($r)) {
3082: last;
3083: }
3084: }
3085: &Apache::lonxml::clear_problem_counter();
3086: if ($flag_page_in_sequence eq 'YES') {
3087: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
3088: }
3089: $result .= '\end{document}';
3090: } elsif (($print_type eq 'problems_for_students') ||
3091: ($print_type eq 'problems_for_students_from_page') ||
3092: ($print_type eq 'all_problems_students') ||
3093: ($print_type eq 'resources_for_students') ||
3094: ($print_type eq 'incomplete_problems_selpeople_course') ||
3095: ($print_type eq 'map_incomplete_problems_people_seq')){
3096:
3097:
3098: #-- prints assignments for whole class or for selected students
3099: my $type;
3100: if (($print_type eq 'problems_for_students') ||
3101: ($print_type eq 'problems_for_students_from_page') ||
3102: ($print_type eq 'all_problems_students') ||
3103: ($print_type eq 'incomplete_problems_selpeople_course') ||
3104: ($print_type eq 'map_incomplete_problems_people_seq')) {
3105: $selectionmade=5;
3106: $type='problems';
3107: } elsif ($print_type eq 'resources_for_students') {
3108: $selectionmade=8;
3109: $type='resources';
3110: }
3111: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
3112: # The normal sort order is by section then by students within the
3113: # section. If the helper var student_sort is 1, then the user has elected
3114: # to override this and output the students by name.
3115: # Each element of the students array is of the form:
3116: # username:domain:section:last, first:status
3117: #
3118: # Note that student sort is not compatible with printing
3119: # 1 section per pdf...so that setting overrides.
3120: #
3121: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
3122: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
3123: @students = sort compare_names @students;
3124: } else {
3125: @students = sort compare_sections @students;
3126: }
3127: &adjust_number_to_print($helper);
3128:
3129: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
3130: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
3131: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
3132: }
3133: # If we are splitting on section boundaries, we need
3134: # to remember that in split_on_sections and
3135: # print all of the students in the list.
3136: #
3137: my $split_on_sections = 0;
3138: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
3139: $split_on_sections = 1;
3140: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
3141: }
3142: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3143:
3144: #loop over students
3145:
3146: my $flag_latex_header_remove = 'NO';
3147: my %moreenv;
3148: $moreenv{'instructor_comments'}='hide';
3149: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
3150: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
3151: $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
3152: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3153: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
3154: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
3155: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
3156: $moreenv{'problem_split'}='yes';
3157: }
3158: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1);
3159: my $student_counter=-1;
3160: my $i = 0;
3161: my $last_section = (split(/:/,$students[0]))[2];
3162: foreach my $person (@students) {
3163: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
3164: if (-e $duefile) {
3165: my $temp_file = Apache::File->new('>>'.$duefile);
3166: print $temp_file "1969\n";
3167: }
3168: $student_counter++;
3169: if ($split_on_sections) {
3170: my $this_section = (split(/:/,$person))[2];
3171: if ($this_section ne $last_section) {
3172: $i++;
3173: $last_section = $this_section;
3174: }
3175: } else {
3176: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
3177: }
3178: my $actual_seq = master_seq_to_person_seq($helper, \@master_seq, $person);
3179: my ($output,$fullname, $printed)=&print_resources($r,$helper,
3180: $person,$type,
3181: \%moreenv, $actual_seq,
3182: $flag_latex_header_remove,
3183: $LaTeXwidth);
3184: $resources_printed .= ":";
3185: $print_array[$i].=$output;
3186: $student_names[$i].=$person.':'.$fullname.'_END_';
3187: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
3188: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
3189: $flag_latex_header_remove = 'YES';
3190: if (&Apache::loncommon::connection_aborted($r)) { last; }
3191: }
3192: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3193: $result .= $print_array[0].' \end{document}';
3194: } elsif (($print_type eq 'problems_for_anon') ||
3195: ($print_type eq 'problems_for_anon_page') ||
3196: ($print_type eq 'resources_for_anon') ) {
3197: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
3198: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
3199: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
3200: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
3201: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
3202: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
3203: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
3204:
3205: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
3206: my @lines = &Apache::grades::get_scantronformat_file();
3207: my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
3208: foreach my $line (@lines) {
3209: chomp($line);
3210: my ($name,$type,$length,$bubbles_per_item) =
3211: (split(/:/,$line))[0,2,4,17];
3212: if ($name eq $code_option) {
3213: $code_length=$length;
3214: if ($type eq 'number') { $code_type = 'number'; }
3215: chomp($bubbles_per_item);
3216: if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
3217: $bubbles_per_row = $bubbles_per_item;
3218: }
3219: }
3220: }
3221: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
3222: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3223: $moreenv{'instructor_comments'}='hide';
3224: $moreenv{'bubbles_per_row'} = $bubbles_per_row;
3225: my $seed=time+($$<<16)+($$);
3226: my @allcodes;
3227: if ($old_name) {
3228: my %result=&Apache::lonnet::get('CODEs',
3229: [$old_name,"type\0$old_name"],
3230: $cdom,$cnum);
3231: $code_type=$result{"type\0$old_name"};
3232: @allcodes=split(',',$result{$old_name});
3233: $num_todo=scalar(@allcodes);
3234: } elsif ($selected_code) { # Selection value is always numeric.
3235: $num_todo = 1;
3236: @allcodes = ($selected_code);
3237: } elsif ($single_code) {
3238:
3239: $num_todo = 1; # Unconditionally one code to do.
3240: # If an alpha code have to convert to numbers so it can be
3241: # converted back to letters again :-)
3242: #
3243: if ($code_type ne 'number') {
3244: $single_code = &letters_to_num($single_code);
3245: }
3246: @allcodes = ($single_code);
3247: } else {
3248: my %allcodes;
3249: srand($seed);
3250: for (my $i=0;$i<$num_todo;$i++) {
3251: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
3252: $code_type);
3253: }
3254: if ($code_name) {
3255: &Apache::lonnet::put('CODEs',
3256: {
3257: $code_name =>join(',',keys(%allcodes)),
3258: "type\0$code_name" => $code_type
3259: },
3260: $cdom,$cnum);
3261: }
3262: @allcodes=keys(%allcodes);
3263: }
3264: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3265: my ($type) = split(/_/,$print_type);
3266: &adjust_number_to_print($helper);
3267: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
3268: if ($number_per_page eq '0' || $number_per_page eq 'all'
3269: || $number_per_page eq 'section') {
3270: $number_per_page=$num_todo > 0 ? $num_todo : 1;
3271: }
3272: my $flag_latex_header_remove = 'NO';
3273: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo);
3274: my $count=0;
3275: foreach my $code (sort(@allcodes)) {
3276: my $file_num=int($count/$number_per_page);
3277: if ($code_type eq 'number') {
3278: $moreenv{'CODE'}=$code;
3279: } else {
3280: $moreenv{'CODE'}=&num_to_letters($code);
3281: }
3282: my ($output,$fullname, $printed)=
3283: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
3284: \@master_seq,$flag_latex_header_remove,
3285: $LaTeXwidth);
3286: $resources_printed .= ":";
3287: $print_array[$file_num].=$output;
3288: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
3289: &mt('last assignment').' '.$fullname);
3290: $flag_latex_header_remove = 'YES';
3291: $count++;
3292: if (&Apache::loncommon::connection_aborted($r)) { last; }
3293: }
3294: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3295: $result .= $print_array[0].' \end{document}';
3296: } elsif ($print_type eq 'problems_from_directory') {
3297: #prints selected problems from the subdirectory
3298: $selectionmade = 6;
3299: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
3300: @list_of_files=sort @list_of_files;
3301: my $flag_latex_header_remove = 'NO';
3302: my $rndseed=time;
3303: if ($helper->{'VARS'}->{'curseed'}) {
3304: $rndseed=$helper->{'VARS'}->{'curseed'};
3305: }
3306: for (my $i=0;$i<=$#list_of_files;$i++) {
3307:
3308: &Apache::lonenc::reset_enc();
3309:
3310: my $urlp = $list_of_files[$i];
3311: $urlp=~s|//|/|;
3312: if ($urlp=~/\//) {
3313: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
3314: $form{'rndseed'}=$rndseed;
3315: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
3316: $resources_printed .= $urlp.':';
3317: my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
3318: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3319: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3320: # Don't permanently pervert %form:
3321: my %answerform = %form;
3322: $answerform{'grade_target'}='answer';
3323: $answerform{'answer_output_mode'}='tex';
3324: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3325: $answerform{'rndseed'}=$rndseed;
3326: $resources_printed .= $urlp.':';
3327: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
3328: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3329: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
3330: } else {
3331: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3332: if ($helper->{'VARS'}->{'construction'} ne '1') {
3333: $texversion.='\vskip 0 mm \noindent ';
3334: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3335: } else {
3336: $texversion.='\vskip 0 mm \noindent\textbf{'.
3337: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
3338: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3339: }
3340: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
3341: }
3342: }
3343: #this chunk is responsible for printing the path to problem
3344:
3345: my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
3346: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
3347: if ($flag_latex_header_remove ne 'NO') {
3348: $texversion = &latex_header_footer_remove($texversion);
3349: } else {
3350: $texversion =~ s/\\end{document}//;
3351: }
3352: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3353: $texversion=&IndexCreation($texversion,$urlp);
3354: }
3355: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
3356: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
3357:
3358: }
3359: $result .= $texversion;
3360: }
3361: $flag_latex_header_remove = 'YES';
3362: }
3363: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
3364: $result .= '\end{document}';
3365: }
3366: #-------------------------------------------------------- corrections for the different page formats
3367:
3368: # Only post process if that has not been turned off e.g. by a raw latex resource.
3369:
3370: if ($do_postprocessing) {
3371: $result = &page_format_transformation($papersize,
3372: $laystyle,$numberofcolumns,
3373: $print_type,$result,
3374: $helper->{VARS}->{'assignment'},
3375: $helper->{'VARS'}->{'TABLE_CONTENTS'},
3376: $helper->{'VARS'}->{'TABLE_INDEX'},
3377: $selectionmade);
3378: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
3379: $helper->{'VARS'}->{'ANSWER_TYPE'});
3380: #if ($numberofcolumns == 1) {
3381: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
3382: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
3383: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3384: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3385: #}
3386: }
3387:
3388: # Set URLback if this is a construction space print so we can provide
3389: # a link to the resource being edited.
3390: #
3391:
3392: my $URLback=''; #link to original document
3393: if ($helper->{'VARS'}->{'construction'} eq '1') {
3394: $URLback=$helper->{'VARS'}->{'filename'};
3395: }
3396: #
3397: # Final adjustment of the font size:
3398: #
3399:
3400: $result = set_font_size($result);
3401:
3402: # Insert any babel headers required.
3403:
3404: $result = &collect_languages($result);
3405:
3406:
3407: #-- writing .tex file in prtspool
3408: my $temp_file;
3409: my $identifier = &Apache::loncommon::get_cgi_id();
3410: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
3411: if (!($#print_array>0)) {
3412: unless ($temp_file = Apache::File->new('>'.$filename)) {
3413: $r->log_error("Couldn't open $filename for output $!");
3414: return SERVER_ERROR;
3415: }
3416: print $temp_file $result;
3417: my $begin=index($result,'\begin{document}',0);
3418: my $inc=substr($result,0,$begin+16);
3419: } else {
3420: my $begin=index($result,'\begin{document}',0);
3421: my $inc=substr($result,0,$begin+16);
3422: for (my $i=0;$i<=$#print_array;$i++) {
3423: if ($i==0) {
3424: $print_array[$i]=$result;
3425: } else {
3426: $print_array[$i].='\end{document}';
3427: $print_array[$i] =
3428: &latex_corrections($number_of_columns,$print_array[$i],
3429: $selectionmade,
3430: $helper->{'VARS'}->{'ANSWER_TYPE'});
3431:
3432: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
3433: substr($print_array[$i],0,$anobegin)='';
3434: $print_array[$i]=$inc.$print_array[$i];
3435: }
3436: my $temp_file;
3437: my $newfilename=$filename;
3438: my $num=$i+1;
3439: $newfilename =~s/\.tex$//;
3440: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
3441: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
3442: $r->log_error("Couldn't open $newfilename for output $!");
3443: return SERVER_ERROR;
3444: }
3445: print $temp_file $print_array[$i];
3446: }
3447: }
3448: my $student_names='';
3449: if ($#print_array>0) {
3450: for (my $i=0;$i<=$#print_array;$i++) {
3451: $student_names.=$student_names[$i].'_ENDPERSON_';
3452: }
3453: } else {
3454: if ($#student_names>-1) {
3455: $student_names=$student_names[0].'_ENDPERSON_';
3456: } else {
3457: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
3458: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
3459: $env{'request.course.sec'},$fullname).
3460: '_ENDPERSON_'.'_END_';
3461: }
3462: }
3463:
3464: # logic for now is too complex to trace if this has been defined
3465: # yet.
3466: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3467: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3468: &Apache::lonnet::appenv({'cgi.'.$identifier.'.file' => $filename,
3469: 'cgi.'.$identifier.'.layout' => $laystyle,
3470: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
3471: 'cgi.'.$identifier.'.paper' => $papersize,
3472: 'cgi.'.$identifier.'.selection' => $selectionmade,
3473: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
3474: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
3475: 'cgi.'.$identifier.'.role' => $perm{'pav'},
3476: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
3477: 'cgi.'.$identifier.'.studentnames' => $student_names,
3478: 'cgi.'.$identifier.'.backref' => $URLback,});
3479: &Apache::lonnet::appenv({"cgi.$identifier.user" => $env{'user.name'},
3480: "cgi.$identifier.domain" => $env{'user.domain'},
3481: "cgi.$identifier.courseid" => $cnum,
3482: "cgi.$identifier.coursedom" => $cdom,
3483: "cgi.$identifier.resources" => $resources_printed});
3484:
3485: my $end_page = &Apache::loncommon::end_page();
3486: my $continue_text = &mt('Continue');
3487: # If there's been an unrecoverable SSI error, report it to the user
3488: if ($ssi_error) {
3489: my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
3490: $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
3491: &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
3492: '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
3493: '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
3494: &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
3495: '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
3496: &mt('We apologize for the inconvenience.').'</p>'.
3497: '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
3498: } else {
3499: $r->print(<<FINALEND);
3500: <br />
3501: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
3502: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
3503: $end_page
3504: FINALEND
3505: } # endif ssi errors.
3506: }
3507:
3508:
3509: sub get_CODE {
3510: my ($all_codes,$num,$seed,$size,$type)=@_;
3511: my $max='1'.'0'x$size;
3512: my $newcode;
3513: while(1) {
3514: $newcode=sprintf("%0".$size."d",int(rand($max)));
3515: if (!exists($$all_codes{$newcode})) {
3516: $$all_codes{$newcode}=1;
3517: if ($type eq 'number' ) {
3518: return $newcode;
3519: } else {
3520: return &num_to_letters($newcode);
3521: }
3522: }
3523: }
3524: }
3525:
3526: sub print_resources {
3527: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
3528: $LaTeXwidth)=@_;
3529: my $current_output = '';
3530: my $printed = '';
3531: my ($username,$userdomain,$usersection) = split /:/,$person;
3532: my $fullname = &get_name($username,$userdomain);
3533: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
3534:
3535:
3536:
3537: #
3538: # Figure out if we need to filter the output by
3539: # the incomplete problems for that person
3540: #
3541: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
3542: my $print_incomplete = 0;
3543: if (($print_type eq 'map_incomplete_problems_people_seq') ||
3544: ($print_type eq 'incomplete_problems_selpeople_course')) {
3545: $print_incomplete = 1;
3546: }
3547: if ($person eq 'anonymous') {
3548: $namepostfix .=&mt('Name:')." ";
3549: $fullname = "CODE - ".$moreenv->{'CODE'};
3550: }
3551:
3552: # Fullname may have special latex characters that need \ prefixing:
3553: #
3554:
3555: my $i = 0;
3556: my $actually_printed = 0; # Count of resources printed.
3557: #goes through all resources, checks if they are available for
3558: #current student, and produces output
3559:
3560: &Apache::lonxml::clear_problem_counter();
3561: my %page_breaks = &get_page_breaks($helper);
3562: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
3563: #
3564: # end each student with a
3565: # Special that allows the post processor to even out the page
3566: # counts later. Nasty problem this... it would be really
3567: # nice to put the special in as a postscript comment
3568: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
3569: # The special gets passed the \ and dvips puts it in the output file
3570: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
3571: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
3572: #
3573:
3574: my $syllabus_first = 0;
3575: my $current_assignment = "";
3576: my $assignment;
3577: my $courseidinfo = &get_course();
3578:
3579: foreach my $curresline (@{$master_seq}) {
3580: if (defined $page_breaks{$curresline}) {
3581: if($i != 0) {
3582: $current_output.= "\\newpage\n";
3583: }
3584: }
3585: $current_output .= &get_extra_vspaces($helper, $curresline);
3586: $i++;
3587: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
3588:
3589: # See if we need to emit a new header:
3590:
3591: if ( !($type eq 'problems' &&
3592: ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
3593: if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
3594: next;
3595: }
3596: $actually_printed++; # we're going to print one.
3597: if (&Apache::lonnet::allowed('bre',$res_url)) {
3598: if ($res_url!~m|^ext/|
3599: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
3600: $printed .= $curresline.':';
3601: &Apache::lonxml::remember_problem_counter();
3602:
3603: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3604: if ($res_url =~ /\.page$/) {
3605: if ($remove_latex_header eq 'NO') {
3606: if (!($rendered =~ /\\begin\{document\}/)) {
3607: $rendered = &print_latex_header().$rendered;
3608: }
3609: }
3610: ;
3611: if ($remove_latex_header eq 'YES') {
3612: $rendered = &latex_header_footer_remove($rendered);
3613: } else {
3614: $rendered =~ s/\\end{document}\d*//;
3615: }
3616: }
3617: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3618: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3619: # Use a copy of the hash so we don't pervert it on future loop passes.
3620: my %answerenv = %{$moreenv};
3621: $answerenv{'answer_output_mode'}='tex';
3622:
3623:
3624: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3625:
3626: &Apache::lonxml::restore_problem_counter();
3627:
3628: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
3629:
3630: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3631: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
3632: } else {
3633:
3634:
3635: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3636: unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
3637: $header =~ s/\\begin{document}//; #<<<<<
3638: }
3639: my $title = &Apache::lonnet::gettitle($curresline);
3640: $title = &Apache::lonxml::latex_special_symbols($title);
3641: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
3642: $body .=&path_to_problem($res_url,$LaTeXwidth);
3643: $body .='\vskip 1 mm '.$ansrendered;
3644: $body = &encapsulate_minipage($body);
3645: $rendered = $header.$body;
3646: }
3647: }
3648: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3649: my $url = &Apache::lonnet::clutter($res_url);
3650: my $annotation = &annotate($url);
3651: $rendered =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
3652: }
3653: my $junk;
3654: if ($remove_latex_header eq 'YES') {
3655: $rendered = &latex_header_footer_remove($rendered);
3656: } else {
3657: $rendered =~ s/\\end{document}//;
3658: }
3659: $current_output .= $rendered;
3660: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
3661: if ($i == 1) {
3662: $syllabus_first = 1;
3663: }
3664: $printed .= $curresline.':';
3665: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3666: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3667: my $url = &Apache::lonnet::clutter($res_url);
3668: my $annotation = &annotate($url);
3669: $annotation =~ s/(\\end{document})/$annotation$1/;
3670: }
3671: if ($remove_latex_header eq 'YES') {
3672: $rendered = &latex_header_footer_remove($rendered);
3673: } else {
3674: $rendered =~ s/\\end{document}//;
3675: }
3676: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
3677: } elsif($res_url = ~/\.pdf$/) {
3678: my $url = &Apache::lonnet::clutter($res_url);
3679: my $rendered = &include_pdf($url);
3680: if ($remove_latex_header ne 'NO') {
3681: $rendered = &latex_header_footer_remove($rendered);
3682: }
3683: $current_output .= $rendered;
3684: } else {
3685: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
3686: if ($remove_latex_header ne 'NO') {
3687: $rendered = &latex_header_footer_remove($rendered);
3688: } else {
3689: $rendered =~ s/\\end{document}//;
3690: }
3691: $current_output .= $rendered;
3692: }
3693: }
3694: $remove_latex_header = 'YES';
3695: }
3696: $assignment = &Apache::lonxml::latex_special_symbols(
3697: &Apache::lonnet::gettitle($map), 'header');
3698: if (($assignment ne $current_assignment) && ($assignment ne "")) {
3699: my $header_line = &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3700: $assignment, $courseidinfo,
3701: $fullname, $usersection);
3702: my $header_start = ($columns_in_format == 1) ? '\lhead'
3703: : '\fancyhead[LO]';
3704: $header_line = $header_start.'{'.$header_line.'}';
3705: $current_output = $current_output . $header_line;
3706: $current_assignment = $assignment;
3707: }
3708:
3709: if (&Apache::loncommon::connection_aborted($r)) { last; }
3710: }
3711: # If we are printing incomplete it's possible we don't have
3712: # anything to print. The print subsystem is not so good at handling
3713: # that so we're going to generate a stub that says there are no
3714: # incomplete resources for the person.
3715: #
3716:
3717: if ($actually_printed == 0) {
3718: $current_output = &encapsulate_minipage("\\vskip -10mm \nNo incomplete resources\n \\vskip 100 mm { }\n");
3719: if ($remove_latex_header eq "NO") {
3720: $current_output = &print_latex_header() . $current_output;
3721: } else {
3722: $current_output = &latex_header_footer_remove($current_output);
3723: }
3724: }
3725:
3726: if ($syllabus_first) {
3727: $current_output =~ s/\\\\ Last updated:/Last updated:/
3728: }
3729: if (0) {
3730: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
3731: my $header_line =
3732: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3733: $currentassignment, $courseidinfo, $fullname, $usersection);
3734: my $header_start = ($columns_in_format == 1) ? '\lhead'
3735: : '\fancyhead[LO]';
3736: $header_line = $header_start.'{'.$header_line.'}';
3737: }
3738: if ($current_output=~/\\documentclass/) {
3739: # $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
3740: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$namepostfix}\\vskip 5 mm /;
3741:
3742: } else {
3743: my $blankpages =
3744: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
3745:
3746: # $current_output = '\strut\vspace*{-6 mm}\\newline'.
3747: # ©right_line().' \newpage '.$blankpages.$end_of_student.
3748: # '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
3749: # $header_line.$namepostfix. '} \vskip 5 mm '.$current_output;
3750: $current_output = '\strut\vspace*{-6 mm}\\newline'.
3751: ©right_line().' \newpage '.$blankpages.$end_of_student.
3752: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'
3753: .$namepostfix. '} \vskip 5 mm '.$current_output;
3754:
3755: }
3756: #
3757: # Close the student bracketing.
3758: #
3759: return ($current_output,$fullname, $printed);
3760:
3761: }
3762:
3763: sub printing_blocked {
3764: my ($r,$blocktext) = @_;
3765: my $title = &mt('Preparing Printout');
3766: &Apache::lonhtmlcommon::clear_breadcrumbs();
3767: &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout',
3768: text=> $title});
3769: my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
3770: &Apache::loncommon::content_type($r,'text/html');
3771: &Apache::loncommon::no_cache($r);
3772: $r->send_http_header;
3773: $r->print(&Apache::loncommon::start_page('Preparing Printout').
3774: $breadcrumbs.
3775: $blocktext.
3776: &Apache::loncommon::end_page());
3777: return;
3778: }
3779:
3780: sub handler {
3781:
3782: my $r = shift;
3783:
3784: if ($env{'request.course.id'}) {
3785: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3786: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3787: my ($blocked,$blocktext) =
3788: &Apache::loncommon::blocking_status('printout',$cnum,$cdom);
3789: if ($blocked) {
3790: my $checkrole = "cm./$cdom/$cnum";
3791: if ($env{'request.course.sec'} ne '') {
3792: $checkrole .= "/$env{'request.course.sec'}";
3793: }
3794: unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
3795: ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
3796: &printing_blocked($r,$blocktext);
3797: return OK;
3798: }
3799: }
3800: }
3801:
3802: &init_perm();
3803:
3804: my $helper = printHelper($r);
3805: if (!ref($helper)) {
3806: return $helper;
3807: }
3808:
3809:
3810: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
3811:
3812:
3813:
3814:
3815: # If a figure conversion queue file exists for this user.domain
3816: # we delete it since it can only be bad (if it were good, printout.pl
3817: # would have deleted it the last time around.
3818:
3819: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
3820: if(-e $conversion_queuefile) {
3821: unlink $conversion_queuefile;
3822: }
3823:
3824:
3825: &output_data($r,$helper,\%parmhash);
3826: return OK;
3827: }
3828:
3829: use Apache::lonhelper;
3830:
3831: sub addMessage {
3832: my $text = shift;
3833: my $paramHash = Apache::lonhelper::getParamHash();
3834: $paramHash->{MESSAGE_TEXT} = $text;
3835: Apache::lonhelper::message->new();
3836: }
3837:
3838:
3839:
3840: sub init_perm {
3841: undef(%perm);
3842: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
3843: if (!$perm{'pav'}) {
3844: $perm{'pav'}=&Apache::lonnet::allowed('pav',
3845: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3846: }
3847: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
3848: if (!$perm{'pfo'}) {
3849: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
3850: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3851: }
3852: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
3853: if (!$perm{'vgr'}) {
3854: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
3855: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3856: }
3857: }
3858:
3859: sub get_randomly_ordered_warning {
3860: my ($helper,$map) = @_;
3861:
3862: my $message;
3863:
3864: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
3865: my $navmap = Apache::lonnavmaps::navmap->new();
3866: if (defined($navmap)) {
3867: my $res = $navmap->getResourceByUrl($map);
3868: if ($res) {
3869: my $func =
3870: sub { return ($_[0]->is_map() && $_[0]->randomorder); };
3871: my @matches = $navmap->retrieveResources($res, $func,1,1,1);
3872:
3873: }
3874: } else {
3875: $message = "Retrieval of information about ordering of resources failed.";
3876: return '<message type="warning">'.$message.'</message>';
3877: }
3878: return;
3879: }
3880:
3881: sub printHelper {
3882: my $r = shift;
3883:
3884: if ($r->header_only) {
3885: if ($env{'browser.mathml'}) {
3886: &Apache::loncommon::content_type($r,'text/xml');
3887: } else {
3888: &Apache::loncommon::content_type($r,'text/html');
3889: }
3890: $r->send_http_header;
3891: return OK;
3892: }
3893:
3894: # Send header, nocache
3895: if ($env{'browser.mathml'}) {
3896: &Apache::loncommon::content_type($r,'text/xml');
3897: } else {
3898: &Apache::loncommon::content_type($r,'text/html');
3899: }
3900: &Apache::loncommon::no_cache($r);
3901: $r->send_http_header;
3902: $r->rflush();
3903:
3904: # Unfortunately, this helper is so complicated we have to
3905: # write it by hand
3906:
3907: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
3908:
3909: my $helper = Apache::lonhelper::helper->new("Printing Helper");
3910: $helper->declareVar('symb');
3911: $helper->declareVar('postdata');
3912: $helper->declareVar('curseed');
3913: $helper->declareVar('probstatus');
3914: $helper->declareVar('filename');
3915: $helper->declareVar('construction');
3916: $helper->declareVar('assignment');
3917: $helper->declareVar('style_file');
3918: $helper->declareVar('student_sort');
3919: $helper->declareVar('FINISHPAGE');
3920: $helper->declareVar('PRINT_TYPE');
3921: $helper->declareVar("showallfoils");
3922: $helper->declareVar("STUDENTS");
3923: $helper->declareVar("EXTRASPACE");
3924:
3925:
3926:
3927:
3928: # The page breaks and extra spaces
3929: # can get loaded initially from the course environment:
3930: # But we only do this in the initial state so that they are allowed to change.
3931: #
3932:
3933:
3934: &Apache::loncommon::restore_course_settings('print',
3935: {'pagebreaks' => 'scalar',
3936: 'extraspace' => 'scalar',
3937: 'extraspace_units' => 'scalar',
3938: 'lastprinttype' => 'scalar'});
3939:
3940: # This will persistently load in the data we want from the
3941: # very first screen.
3942:
3943: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
3944: if (!defined ($env{"form.CURRENT_STATE"})) {
3945:
3946: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
3947: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
3948: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
3949: } else {
3950: my $state = $env{"form.CURRENT_STATE"};
3951: if ($state eq "START") {
3952: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
3953: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
3954: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
3955:
3956: }
3957: }
3958:
3959: }
3960:
3961: # Detect whether we're coming from construction space
3962: if ($env{'form.postdata'}=~m{^/priv}) {
3963: $helper->{VARS}->{'filename'} = $env{'form.postdata'};
3964: $helper->{VARS}->{'construction'} = 1;
3965: } else {
3966: if ($env{'form.postdata'}) {
3967: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
3968: if ( $helper->{VARS}->{'symb'} eq '') {
3969: $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
3970: }
3971: }
3972: if ($env{'form.symb'}) {
3973: $helper->{VARS}->{'symb'} = $env{'form.symb'};
3974: }
3975: if ($env{'form.url'}) {
3976: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
3977: }
3978:
3979: }
3980:
3981: if ($env{'form.symb'}) {
3982: $helper->{VARS}->{'symb'} = $env{'form.symb'};
3983: }
3984: if ($env{'form.url'}) {
3985: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
3986:
3987: }
3988: $helper->{VARS}->{'symb'}=
3989: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
3990: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
3991: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
3992:
3993:
3994: # Extract map
3995: my $symb = $helper->{VARS}->{'symb'};
3996: my ($map, $id, $url);
3997: my $subdir;
3998: my $is_published=0; # True when printing from resource space.
3999: my $res_printable = 1; # By default the current resource is printable.
4000: my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
4001: my $res_printstartdate;
4002: my $res_printenddate;
4003: my $map_open = 0;
4004: my $map_close = 0xffffffff;
4005: my $course_open = 0;
4006: my $course_close = 0xffffffff;
4007:
4008: # Get the resource name from construction space
4009: if ($helper->{VARS}->{'construction'}) {
4010: $resourceTitle = substr($helper->{VARS}->{'filename'},
4011: rindex($helper->{VARS}->{'filename'}, '/')+1);
4012: $subdir = substr($helper->{VARS}->{'filename'},
4013: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
4014: } else {
4015: # From course space:
4016:
4017: if ($symb ne '') {
4018: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
4019: $helper->{VARS}->{'postdata'} =
4020: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
4021: my $navmap = Apache::lonnavmaps::navmap->new();
4022: my $res = $navmap->getBySymb($symb);
4023: $res_printable = $res->resprintable() | $userCanPrint; #printability in course context
4024: ($res_printstartdate, $res_printenddate) = &get_print_dates($res);
4025: ($course_open, $course_close) = &course_print_dates($res);
4026: ($map_open, $map_close) = &map_print_dates($res);
4027:
4028: } else {
4029: # Resource space.
4030:
4031: $url = $helper->{VARS}->{'postdata'};
4032: $is_published=1; # From resource space.
4033: }
4034: $url = &Apache::lonnet::clutter($url);
4035: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
4036: my $postdata = $helper->{VARS}->{'postdata'};
4037: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
4038: }
4039: $subdir = &Apache::lonnet::filelocation("", $url);
4040:
4041:
4042: }
4043: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
4044: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
4045: }
4046:
4047: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4048: $helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
4049: }
4050:
4051: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
4052:
4053: Apache::lonhelper::registerHelperTags();
4054:
4055: # "Delete everything after the last slash."
4056: $subdir =~ s|/[^/]+$||;
4057:
4058: # What can be printed is a very dynamic decision based on
4059: # lots of factors. So we need to dynamically build this list.
4060: # To prevent security leaks, states are only added to the wizard
4061: # if they can be reached, which ensures manipulating the form input
4062: # won't allow anyone to reach states they shouldn't have permission
4063: # to reach.
4064:
4065: # printChoices is tracking the kind of printing the user can
4066: # do, and will be used in a choices construction later.
4067: # In the meantime we will be adding states and elements to
4068: # the helper by hand.
4069: my $printChoices = [];
4070: my $paramHash;
4071:
4072: # If there is a current resource and it is printable
4073: # Give that as a choice.
4074:
4075: if ($resourceTitle && $res_printable) {
4076: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
4077: }
4078:
4079: # Useful filter strings
4080:
4081: my $isPrintable = ' && $res->resprintable()';
4082:
4083: my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
4084: $isProblem .= $isPrintable unless $userCanPrint;
4085: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
4086: my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
4087: $isProblemOrMap .= $isPrintable unless $userCanPrint;
4088: my $isNotMap = '(!$res->is_sequence())';
4089: $isNotMap .= $isPrintable unless $userCanPrint;
4090: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
4091: my $isMap = '$res->is_map()';
4092: $isMap .= $isPrintable unless $userCanPrint;
4093: my $symbFilter = '$res->shown_symb() ';
4094: my $urlValue = '$res->link()';
4095:
4096: $helper->declareVar('SEQUENCE');
4097:
4098: # If we're in a sequence...
4099:
4100: my $start_new_option;
4101: if ($perm{'pav'}) {
4102: $start_new_option =
4103: "<option text='".&mt('Start new page<br />before selected').
4104: "' variable='FINISHPAGE' />".
4105: "<option text='".&mt('Extra space<br />before selected').
4106: "' variable='EXTRASPACE' type='text' />" .
4107: "<option " .
4108: "' variable='POSSIBLE_RESOURCES' type='hidden' />".
4109: "<option text='".&mt('Space units<br />check for mm').
4110: "' variable='EXTRASPACE_UNITS' type='checkbox' />"
4111: ;
4112:
4113:
4114: }
4115:
4116: # If not construction space user can print the components of a page:
4117:
4118: my $page_ispage;
4119: my $page_title;
4120: if (!$helper->{VARS}->{'construction'}) {
4121: my $varspostdata = $helper->{VARS}->{'postdata'};
4122: my $varsassignment = $helper->{VARS}->{'assignment'};
4123: my $page_navmap = Apache::lonnavmaps::navmap->new();
4124: if (defined($page_navmap)) {
4125: my @page_resources = $page_navmap->retrieveResources($url);
4126: if(defined($page_resources[0])) {
4127: $page_ispage = $page_resources[0]->is_page();
4128: $page_title = $page_resources[0]->title();
4129: my $resourcesymb = $page_resources[0]->symb();
4130: my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
4131: if ($page_ispage) {
4132: push @{$printChoices},
4133: [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4134: 'map_problems_in_page',
4135: 'CHOOSE_PROBLEMS_PAGE'];
4136: push @{$printChoices},
4137: [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4138: 'map_resources_in_page',
4139: 'CHOOSE_RESOURCES_PAGE'];
4140: }
4141: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
4142: 'Select Problem(s) to print',
4143: "multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
4144: 'RESOURCES',
4145: 'PAGESIZE',
4146: $url,
4147: $isProblem, '', $symbFilter,
4148: $start_new_option);
4149:
4150:
4151: $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
4152: 'Select Resource(s) to print',
4153: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4154: 'RESOURCES',
4155: 'PAGESIZE',
4156: $url,
4157: $isNotMap, '', $symbFilter,
4158: $start_new_option);
4159:
4160:
4161:
4162:
4163:
4164: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4165:
4166: }
4167: }
4168: }
4169:
4170: if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
4171: $helper->{VARS}->{'postdata'} &&
4172: $helper->{VARS}->{'assignment'}) {
4173:
4174: # BZ 5209 - Print incomplete problems from sequence:
4175: # the exact form of this depends on whether or not we are privileged or a mere
4176: # plebe of s student:
4177:
4178: my $printSelector = 'map_incomplete_problems_seq';
4179: my $nextState = 'CHOOSE_INCOMPLETE_SEQ';
4180: my $textSuffix = '';
4181:
4182: if ($userCanPrint) {
4183: $printSelector = 'map_incomplete_problems_people_seq';
4184: $nextState = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
4185: $textSuffix = ' for selected students';
4186: my $helperStates =
4187: &create_incomplete_folder_selstud_helper($helper, $map);
4188: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4189: } else {
4190: if (&printable($map_open, $map_close)) {
4191: my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student.
4192: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4193: } else {
4194: # TODO: Figure out how to break the news...this folder is not printable.
4195: }
4196: }
4197:
4198: if ($userCanPrint || &printable($map_open, $map_close)) {
4199: push(@{$printChoices},
4200: [&mt('Selected [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
4201: '<b>', '</b>',
4202: '<b><i>'. $sequenceTitle . '</b></i>'),
4203: $printSelector,
4204: $nextState]);
4205: }
4206: # Allow problems from sequence
4207: if ($userCanPrint || &printable($map_open, $map_close)) {
4208: push @{$printChoices},
4209: [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4210: 'map_problems',
4211: 'CHOOSE_PROBLEMS'];
4212: # Allow all resources from sequence
4213: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4214: 'map_problems_pages',
4215: 'CHOOSE_PROBLEMS_HTML'];
4216: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
4217: 'Select Problem(s) to print',
4218: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4219: 'RESOURCES',
4220: 'PAGESIZE',
4221: $map,
4222: ! $isProblem, '',
4223: $symbFilter,
4224: $start_new_option);
4225: $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
4226: 'Select Resource(s) to print',
4227: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4228: 'RESOURCES',
4229: 'PAGESIZE',
4230: $map,
4231: $isNotMap, '',
4232: $symbFilter,
4233: $start_new_option);
4234:
4235: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4236: } else {
4237: # TODO: Figure out how to tell them the folder is not printable.
4238: }
4239: }
4240: # If the user has pfo (print for others) allow them to print all
4241: # problems and resources in the entire course, optionally for selected students
4242: my $post_data = $helper->{VARS}->{'postdata'};
4243:
4244: if ($perm{'pfo'} && !$is_published &&
4245: ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
4246:
4247: # BZ 5209 - incomplete problems from entire course:
4248:
4249: push(@{$printChoices},
4250: [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
4251: 'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
4252: my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
4253:
4254: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4255:
4256: # Selected problems/resources from entire course:
4257:
4258: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
4259: push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
4260: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
4261: my $suffixXml = <<ALL_PROBLEMS;
4262: <state name="STUDENTS1" title="Select People">
4263: <message><b>Select sorting order of printout</b> </message>
4264: <choices variable='student_sort'>
4265: <choice computer='0'>Sort by section then student</choice>
4266: <choice computer='1'>Sort by students across sections.</choice>
4267: </choices>
4268: <message><br /><hr /><br /> </message>
4269: <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
4270: </state>
4271: ALL_PROBLEMS
4272: &Apache::lonxml::xmlparse($r, 'helper',
4273: &generate_resource_chooser('ALL_PROBLEMS',
4274: 'SelectProblem(s) to print',
4275: 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
4276: 'RESOURCES',
4277: 'PAGESIZE',
4278: '',
4279: $isProblemOrMap, $isNotMap,
4280: $symbFilter,
4281: $start_new_option) .
4282: &generate_resource_chooser('ALL_RESOURCES',
4283: 'Select Resource(s) to print',
4284: " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
4285: 'RESOURCES',
4286: 'PAGESIZE',
4287: '',
4288: $isNotMap,'',$symbFilter,
4289: $start_new_option) .
4290: &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
4291: 'Select Problem(s) to print',
4292: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
4293: 'RESOURCES',
4294: 'STUDENTS1',
4295: '',
4296: $isProblemOrMap,'' , $symbFilter,
4297: $start_new_option) .
4298: $suffixXml
4299: );
4300:
4301: if ($helper->{VARS}->{'assignment'}) {
4302:
4303: # If we were looking at a page, allow a selection of problems from the page
4304: # either for selected students or for coded assignments.
4305:
4306: if ($page_ispage) {
4307: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
4308: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4309: 'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
4310: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
4311: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4312: 'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
4313: }
4314: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
4315: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4316: 'problems_for_students', 'CHOOSE_STUDENTS'];
4317: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
4318: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4319: 'problems_for_anon', 'CHOOSE_ANON1'];
4320: }
4321:
4322: my $randomly_ordered_warning =
4323: &get_randomly_ordered_warning($helper, $map);
4324:
4325: # resource_selector will hold a few states that:
4326: # - Allow resources to be selected for printing.
4327: # - Determine pagination between assignments.
4328: # - Determine how many assignments should be bundled into a single PDF.
4329: # TODO:
4330: # Probably good to do things like separate this up into several vars, each
4331: # with one state, and use REGEXPs at inclusion time to set state names
4332: # and next states for better mix and match capability
4333: #
4334: my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
4335: 'Select resources to print',
4336: 'multichoice="1" addstatus="1" closeallpages="1"',
4337: 'RESOURCES',
4338: 'PRINT_FORMATTING',
4339: $map,
4340: $isProblem, '', $symbFilter,
4341: $start_new_option);
4342: $resource_selector .= &generate_format_selector($helper,
4343: 'How should results be printed?',
4344: 'PRINT_FORMATTING').
4345: &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
4346: 'Select Problem(s) to print',
4347: "multichoice='1' addstatus='1' closeallpages ='1'",
4348: 'RESOURCES',
4349: 'PRINT_FORMATTING',
4350: $url,
4351: $isProblem, '', $symbFilter,
4352: $start_new_option);
4353:
4354:
4355: # Generate student choosers.
4356:
4357:
4358:
4359: &Apache::lonxml::xmlparse($r, 'helper',
4360: &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
4361: 'student_sort',
4362: 'STUDENTS',
4363: 'CHOOSE_STUDENTS_PAGE'));
4364: &Apache::lonxml::xmlparse($r, 'helper',
4365: &generate_student_chooser('CHOOSE_STUDENTS',
4366: 'student_sort',
4367: 'STUDENTS',
4368: 'SELECT_PROBLEMS'));
4369: &Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
4370:
4371: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4372: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4373: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
4374: my $namechoice='<choice></choice>';
4375: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
4376: if ($name =~ /^error: 2 /) { next; }
4377: if ($name =~ /^type\0/) { next; }
4378: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
4379: }
4380:
4381:
4382: my %code_values;
4383: my %codes_to_print;
4384: foreach my $key (@names) {
4385: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
4386: foreach my $key (keys(%code_values)) {
4387: $codes_to_print{$key} = 1;
4388: }
4389: }
4390:
4391: my $code_selection;
4392: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
4393: my $choice = $code;
4394: if ($code =~ /^[A-Z]+$/) { # Alpha code
4395: $choice = &letters_to_num($code);
4396: }
4397: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
4398: }
4399: if (%codes_to_print) {
4400: $code_selection .='
4401: <message><b>Choose single CODE from list:</b></message>
4402: <message></td><td></message>
4403: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
4404: <choice></choice>
4405: <exec>
4406: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
4407: </exec>
4408: </dropdown>
4409: <message></td></tr><tr><td></message>
4410: '.$/;
4411:
4412: }
4413:
4414: my @lines = &Apache::grades::get_scantronformat_file();
4415: my $codechoice='';
4416: foreach my $line (@lines) {
4417: my ($name,$description,$code_type,$code_length)=
4418: (split(/:/,$line))[0,1,2,4];
4419: if ($code_length > 0 &&
4420: $code_type =~/^(letter|number|-1)/) {
4421: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
4422: }
4423: }
4424: if ($codechoice eq '') {
4425: $codechoice='<choice computer="default">Default</choice>';
4426: }
4427: my $anon1 = &generate_code_selector($helper,
4428: 'CHOOSE_ANON1',
4429: 'SELECT_PROBLEMS',
4430: $codechoice,
4431: $code_selection,
4432: $namechoice) . $resource_selector;
4433:
4434:
4435: &Apache::lonxml::xmlparse($r, 'helper',$anon1);
4436:
4437: my $anon_page = &generate_code_selector($helper,
4438: 'CHOOSE_ANON1_PAGE',
4439: 'SELECT_PROBLEMS_PAGE',
4440: $codechoice,
4441: $code_selection,
4442: $namechoice) .
4443: &generate_resource_chooser('SELECT_PROBLEMS_PAGE',
4444: 'Select Problem(s) to print',
4445: "multichoice='1' addstatus='1' closeallpages ='1'",
4446: 'RESOURCES',
4447: 'PRINT_FORMATTING',
4448: $url,
4449: $isProblem, '', $symbFilter,
4450: $start_new_option);
4451: &Apache::lonxml::xmlparse($r, 'helper', $anon_page);
4452:
4453:
4454: if ($helper->{VARS}->{'assignment'}) {
4455:
4456: # Assignment printing:
4457:
4458: 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'];
4459: 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'];
4460: }
4461:
4462:
4463: $resource_selector=<<RESOURCE_SELECTOR;
4464: <state name="SELECT_RESOURCES" title="Select Resources">
4465: $randomly_ordered_warning
4466: <nextstate>PRINT_FORMATTING</nextstate>
4467: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
4468: <resource variable="RESOURCES" multichoice="1" addstatus="1"
4469: closeallpages="1">
4470: <filterfunc>return $isNotMap;</filterfunc>
4471: <mapurl>$map</mapurl>
4472: <valuefunc>return $symbFilter;</valuefunc>
4473: $start_new_option
4474: </resource>
4475: </state>
4476: RESOURCE_SELECTOR
4477:
4478: $resource_selector .= &generate_format_selector($helper,
4479: 'Format of the print job',
4480: 'PRINT_FORMATTING');
4481: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
4482: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
4483: <choices variable='student_sort'>
4484: <choice computer='0'>Sort by section then student</choice>
4485: <choice computer='1'>Sort by students across sections.</choice>
4486: </choices>
4487: <message><br /><hr /><br /></message>
4488: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
4489:
4490: </state>
4491: $resource_selector
4492: CHOOSE_STUDENTS1
4493:
4494: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
4495: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
4496: <nextstate>SELECT_RESOURCES</nextstate>
4497: <message><h4>Fill out one of the forms below</h4></message>
4498: <message><br /><hr /> <br /></message>
4499: <message><h3>Generate new CODEd Assignments</h3></message>
4500: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
4501: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
4502: <validator>
4503: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
4504: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4505: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
4506: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4507: return "You need to specify the number of assignments to print";
4508: }
4509: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
4510: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
4511: return 'Specifying number of codes to print and a specific code is not compatible';
4512: }
4513: return undef;
4514: </validator>
4515: </string>
4516: <message></td></tr><tr><td></message>
4517: <message><b>Names to save the CODEs under for later:</b></message>
4518: <message></td><td></message>
4519: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
4520: <message></td></tr><tr><td></message>
4521: <message><b>Bubblesheet type:</b></message>
4522: <message></td><td></message>
4523: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
4524: $codechoice
4525: </dropdown>
4526: <message></td></tr><tr><td></table></message>
4527: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
4528: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
4529: <string variable="SINGLE_CODE" size="10">
4530: <validator>
4531: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
4532: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4533: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4534: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
4535: \$helper->{'VARS'}{'CODE_OPTION'});
4536: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
4537: return 'Specifying a code name is incompatible specifying number of codes.';
4538: } else {
4539: return undef; # Other forces control us.
4540: }
4541: </validator>
4542: </string>
4543: <message></td></tr><tr><td></message>
4544: $code_selection
4545: <message></td></tr></table></message>
4546: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
4547: <message><b>Select saved CODEs:</b></message>
4548: <message></td><td></message>
4549: <dropdown variable="REUSE_OLD_CODES">
4550: $namechoice
4551: </dropdown>
4552: <message></td></tr></table></message>
4553: </state>
4554: $resource_selector
4555: CHOOSE_ANON2
4556: }
4557:
4558: # FIXME: That RE should come from a library somewhere.
4559: if (($perm{'pav'}
4560: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
4561: && (defined($helper->{'VARS'}->{'construction'})
4562: ||
4563: (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
4564: &&
4565: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
4566: ))
4567: && $helper->{VARS}->{'assignment'} eq ""
4568: ) {
4569: my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
4570: 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'];
4571: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
4572: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
4573:
4574: <files variable="FILES" multichoice='1'>
4575: <nextstate>PAGESIZE</nextstate>
4576: <filechoice>return '$subdir';</filechoice>
4577: CHOOSE_FROM_SUBDIR
4578:
4579: # this is broken up because I really want interpolation above,
4580: # and I really DON'T want it below
4581: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
4582: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
4583: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
4584: </filefilter>
4585: </files>
4586: </state>
4587: CHOOSE_FROM_SUBDIR
4588: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4589: }
4590:
4591: # Allow the user to select any sequence in the course, feed it to
4592: # another resource selector for that sequence
4593: if (!$helper->{VARS}->{'construction'} && !$is_published) {
4594: push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
4595: 'select_sequences', 'CHOOSE_SEQUENCE'];
4596: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
4597: #Escape apostrophes and backslashes for Perl
4598: $escapedSequenceName =~ s/\\/\\\\/g;
4599: $escapedSequenceName =~ s/'/\\'/g;
4600: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
4601: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
4602: <message>Select the sequence to print resources from:</message>
4603: <resource variable="SEQUENCE">
4604: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
4605: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
4606: <valuefunc>return $urlValue;</valuefunc>
4607: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
4608: </choicefunc>
4609: </resource>
4610: </state>
4611: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
4612: <message>(mark desired resources then click "next" button) <br /></message>
4613: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
4614: closeallpages="1">
4615: <nextstate>PAGESIZE</nextstate>
4616: <filterfunc>return $isNotMap</filterfunc>
4617: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
4618: <valuefunc>return $symbFilter;</valuefunc>
4619: $start_new_option
4620: </resource>
4621: </state>
4622: CHOOSE_FROM_ANY_SEQUENCE
4623: }
4624:
4625: # Generate the first state, to select which resources get printed.
4626: Apache::lonhelper::state->new("START", "Select Printing Options:");
4627: if (!$res_printable) {
4628: $paramHash = Apache::lonhelper::getParamHash();
4629: $paramHash->{MESSAGE_TEXT} =
4630: &mt('<p><b>Printing for current resource is only possible between [_1] and [_1]</b></p>',
4631: $res_printstartdate, $res_printenddate);
4632: Apache::lonhelper::message->new();
4633: }
4634: $paramHash = Apache::lonhelper::getParamHash();
4635: $paramHash = Apache::lonhelper::getParamHash();
4636: $paramHash->{MESSAGE_TEXT} = "";
4637: Apache::lonhelper::message->new();
4638: $paramHash = Apache::lonhelper::getParamHash();
4639: $paramHash->{'variable'} = 'PRINT_TYPE';
4640: $paramHash->{CHOICES} = $printChoices;
4641: Apache::lonhelper::choices->new();
4642:
4643: my $startedTable = 0; # have we started an HTML table yet? (need
4644: # to close it later)
4645:
4646: if (($perm{'pav'} and $perm{'vgr'}) or
4647: ($helper->{VARS}->{'construction'} eq '1')) {
4648: &addMessage('<br />'
4649: .'<h3>'.&mt('Print Options').'</h3>'
4650: .&Apache::lonhtmlcommon::start_pick_box()
4651: .&Apache::lonhtmlcommon::row_title(
4652: '<label for="ANSWER_TYPE_forminput">'
4653: .&mt('Print Answers')
4654: .'</label>'
4655: )
4656: );
4657: $paramHash = Apache::lonhelper::getParamHash();
4658: $paramHash->{'variable'} = 'ANSWER_TYPE';
4659: $helper->declareVar('ANSWER_TYPE');
4660: $paramHash->{CHOICES} = [
4661: ['Without Answers', 'yes'],
4662: ['With Answers', 'no'],
4663: ['Only Answers', 'only']
4664: ];
4665: Apache::lonhelper::dropdown->new();
4666: &addMessage(&Apache::lonhtmlcommon::row_closure());
4667: $startedTable = 1;
4668:
4669: #
4670: # Select font size.
4671: #
4672:
4673: $helper->declareVar('fontsize');
4674: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
4675: my $xmlfrag = << "FONT_SELECTION";
4676:
4677:
4678: <dropdown variable='fontsize' multichoice='0', allowempty='0'>
4679: <defaultvalue>
4680: return 'normalsize';
4681: </defaultvalue>
4682: <choice computer='tiny'>Tiny</choice>
4683: <choice computer='sub/superscriptsize'>Script Size</choice>
4684: <choice computer='footnotesize'>Footnote Size</choice>
4685: <choice computer='small'>Small</choice>
4686: <choice computer='normalsize'>Normal (default)</choice>
4687: <choice computer='large'>larger than normal</choice>
4688: <choice computer='Large'>Even larger than normal</choice>
4689: <choice computer='LARGE'>Still larger than normal</choice>
4690: <choice computer='huge'>huge font size</choice>
4691: <choice computer='Huge'>Largest possible size</choice>
4692: </dropdown>
4693: FONT_SELECTION
4694: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4695: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4696: }
4697:
4698: if ($perm{'pav'}) {
4699: if (!$startedTable) {
4700: addMessage("<hr width='33%' /><table><tr><td align='right'>".
4701: '<label for="LATEX_TYPE_forminput">'.
4702: &mt('LaTeX mode').
4703: "</label>: </td><td>");
4704: $startedTable = 1;
4705: } else {
4706: &addMessage(&Apache::lonhtmlcommon::row_title(
4707: '<label for="LATEX_TYPE_forminput">'
4708: .&mt('LaTeX mode')
4709: .'</label>'
4710: )
4711: );
4712: }
4713: $paramHash = Apache::lonhelper::getParamHash();
4714: $paramHash->{'variable'} = 'LATEX_TYPE';
4715: $helper->declareVar('LATEX_TYPE');
4716: if ($helper->{VARS}->{'construction'} eq '1') {
4717: $paramHash->{CHOICES} = [
4718: ['standard LaTeX mode', 'standard'],
4719: ['LaTeX batchmode', 'batchmode'], ];
4720: } else {
4721: $paramHash->{CHOICES} = [
4722: ['LaTeX batchmode', 'batchmode'],
4723: ['standard LaTeX mode', 'standard'] ];
4724: }
4725: Apache::lonhelper::dropdown->new();
4726:
4727: &addMessage(&Apache::lonhtmlcommon::row_closure()
4728: .&Apache::lonhtmlcommon::row_title(
4729: '<label for="TABLE_CONTENTS_forminput">'
4730: .&mt('Print Table of Contents')
4731: .'</label>'
4732: )
4733: );
4734: $paramHash = Apache::lonhelper::getParamHash();
4735: $paramHash->{'variable'} = 'TABLE_CONTENTS';
4736: $helper->declareVar('TABLE_CONTENTS');
4737: $paramHash->{CHOICES} = [
4738: ['No', 'no'],
4739: ['Yes', 'yes'] ];
4740: Apache::lonhelper::dropdown->new();
4741: &addMessage(&Apache::lonhtmlcommon::row_closure());
4742:
4743: if (not $helper->{VARS}->{'construction'}) {
4744: &addMessage(&Apache::lonhtmlcommon::row_title(
4745: '<label for="TABLE_INDEX_forminput">'
4746: .&mt('Print Index')
4747: .'</label>'
4748: )
4749: );
4750: $paramHash = Apache::lonhelper::getParamHash();
4751: $paramHash->{'variable'} = 'TABLE_INDEX';
4752: $helper->declareVar('TABLE_INDEX');
4753: $paramHash->{CHOICES} = [
4754: ['No', 'no'],
4755: ['Yes', 'yes'] ];
4756: Apache::lonhelper::dropdown->new();
4757: &addMessage(&Apache::lonhtmlcommon::row_closure());
4758: &addMessage(&Apache::lonhtmlcommon::row_title(
4759: '<label for="PRINT_DISCUSSIONS_forminput">'
4760: .&mt('Print Discussions')
4761: .'</label>'
4762: )
4763: );
4764: $paramHash = Apache::lonhelper::getParamHash();
4765: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
4766: $helper->declareVar('PRINT_DISCUSSIONS');
4767: $paramHash->{CHOICES} = [
4768: ['No', 'no'],
4769: ['Yes', 'yes'] ];
4770: Apache::lonhelper::dropdown->new();
4771: &addMessage(&Apache::lonhtmlcommon::row_closure());
4772:
4773: # Prompt for printing annotations too.
4774:
4775: &addMessage(&Apache::lonhtmlcommon::row_title(
4776: '<label for="PRINT_ANNOTATIONS_forminput">'
4777: .&mt('Print Annotations')
4778: .'</label>'
4779: )
4780: );
4781: $paramHash = Apache::lonhelper::getParamHash();
4782: $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
4783: $helper->declareVar("PRINT_ANNOTATIONS");
4784: $paramHash->{CHOICES} = [
4785: ['No', 'no'],
4786: ['Yes', 'yes']];
4787: Apache::lonhelper::dropdown->new();
4788: &addMessage(&Apache::lonhtmlcommon::row_closure());
4789:
4790: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
4791: $paramHash = Apache::lonhelper::getParamHash();
4792: $paramHash->{'multichoice'} = "true";
4793: $paramHash->{'allowempty'} = "true";
4794: $paramHash->{'variable'} = "showallfoils";
4795: $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
4796: Apache::lonhelper::choices->new();
4797: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4798: }
4799:
4800: if ($helper->{'VARS'}->{'construction'}) {
4801: my $stylevalue='$Apache::lonnet::env{"construct.style"}';
4802: my $randseedtext=&mt("Use random seed");
4803: my $stylefiletext=&mt("Use style file");
4804: my $selectfiletext=&mt("Select style file");
4805:
4806: my $xmlfrag .= '<message>'
4807: .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
4808: .$randseedtext
4809: .'</label>'
4810: )
4811: .'</message>
4812: <string variable="curseed" size="15" maxlength="15">
4813: <defaultvalue>
4814: return '.$helper->{VARS}->{'curseed'}.';
4815: </defaultvalue>'
4816: .'</string>'
4817: .'<message>'
4818: .&Apache::lonhtmlcommon::row_closure()
4819: .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
4820: .$stylefiletext
4821: .'</label>'
4822: )
4823: .'</message>
4824: <string variable="style_file" size="40">
4825: <defaultvalue>
4826: return '.$stylevalue.';
4827: </defaultvalue>
4828: </string><message> '
4829: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
4830: .$selectfiletext.'</a>'
4831: .&Apache::lonhtmlcommon::row_closure()
4832: .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
4833: .'</message>
4834: <choices allowempty="1" multichoice="true" variable="showallfoils">
4835: <choice computer="1"> </choice>
4836: </choices>'
4837: .'<message>'
4838: .&Apache::lonhtmlcommon::row_closure()
4839: .'</message>';
4840: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4841:
4842:
4843: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
4844: #
4845: # Initial value from construction space:
4846: #
4847: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4848: $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value
4849: }
4850: $xmlfrag = << "PROBTYPE";
4851: <dropdown variable="probstatus" multichoice="0" allowempty="0">
4852: <defaultvalue>
4853: return "$helper->{VARS}->{'probstatus'}";
4854: </defaultvalue>
4855: <choice computer="problem">Homework Problem</choice>
4856: <choice computer="exam">Exam Problem</choice>
4857: <choice computer="survey">Survey question</choice>
4858: ,choice computer="anonsurvey"Anonymous survey question</choice>
4859: </dropdown>
4860: PROBTYPE
4861: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4862: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4863:
4864:
4865:
4866: }
4867: }
4868:
4869:
4870:
4871:
4872: if ($startedTable) {
4873: &addMessage(&Apache::lonhtmlcommon::end_pick_box());
4874: }
4875:
4876: Apache::lonprintout::page_format_state->new("FORMAT");
4877:
4878: # Generate the PAGESIZE state which will offer the user the margin
4879: # choices if they select one column
4880: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
4881: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
4882:
4883:
4884: $helper->process();
4885:
4886:
4887: # MANUAL BAILOUT CONDITION:
4888: # If we're in the "final" state, bailout and return to handler
4889: if ($helper->{STATE} eq 'FINAL') {
4890: return $helper;
4891: }
4892:
4893: my $footer;
4894: if ($helper->{STATE} eq 'START') {
4895: my $prtspool=$r->dir_config('lonPrtDir');
4896: $footer = &recently_generated($prtspool);
4897: }
4898: $r->print($helper->display($footer));
4899: &Apache::lonhelper::unregisterHelperTags();
4900:
4901: return OK;
4902: }
4903:
4904:
4905: 1;
4906:
4907: package Apache::lonprintout::page_format_state;
4908:
4909: =pod
4910:
4911: =head1 Helper element: page_format_state
4912:
4913: See lonhelper.pm documentation for discussion of the helper framework.
4914:
4915: Apache::lonprintout::page_format_state is an element that gives the
4916: user an opportunity to select the page layout they wish to print
4917: with: Number of columns, portrait/landscape, and paper size. If you
4918: want to change the paper size choices, change the @paperSize array
4919: contents in this package.
4920:
4921: page_format_state is always directly invoked in lonprintout.pm, so there
4922: is no tag interface. You actually pass parameters to the constructor.
4923:
4924: =over 4
4925:
4926: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
4927:
4928: =back
4929:
4930: =cut
4931:
4932: use Apache::lonhelper;
4933:
4934: no strict;
4935: @ISA = ("Apache::lonhelper::element");
4936: use strict;
4937: use Apache::lonlocal;
4938: use Apache::lonnet;
4939:
4940: my $maxColumns = 2;
4941: # it'd be nice if these all worked
4942: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
4943: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
4944: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
4945: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
4946: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
4947: "a4 [210x297 mm]");
4948:
4949: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
4950: # Paper type
4951:
4952: sub new {
4953: my $self = Apache::lonhelper::element->new();
4954:
4955: shift;
4956:
4957: $self->{'variable'} = shift;
4958: my $helper = Apache::lonhelper::getHelper();
4959: $helper->declareVar($self->{'variable'});
4960: bless($self);
4961: return $self;
4962: }
4963:
4964: sub render {
4965: my $self = shift;
4966: my $helper = Apache::lonhelper::getHelper();
4967: my $result = '';
4968: my $var = $self->{'variable'};
4969: my $PageLayout=&mt('Page layout');
4970: my $NumberOfColumns=&mt('Number of columns');
4971: my $PaperType=&mt('Paper type');
4972: my $landscape=&mt('Landscape');
4973: my $portrait=&mt('Portrait');
4974: my $pdfFormLabel=&mt('PDF-Formfields');
4975: my $with=&mt('with Formfields');
4976: my $without=&mt('without Formfields');
4977:
4978:
4979: $result.='<h3>'.&mt('Layout Options').'</h3>'
4980: .&Apache::loncommon::start_data_table()
4981: .&Apache::loncommon::start_data_table_header_row()
4982: .'<th>'.$PageLayout.'</th>'
4983: .'<th>'.$NumberOfColumns.'</th>'
4984: .'<th>'.$PaperType.'</th>'
4985: .'<th>'.$pdfFormLabel.'</th>'
4986: .&Apache::loncommon::end_data_table_header_row()
4987: .&Apache::loncommon::start_data_table_row()
4988: .'<td>'
4989: .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
4990: .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
4991: .'</td>';
4992:
4993: $result.='<td align="center">'
4994: .'<select name="'.${var}.'.cols">';
4995:
4996: my $i;
4997: for ($i = 1; $i <= $maxColumns; $i++) {
4998: if ($i == 2) {
4999: $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
5000: } else {
5001: $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
5002: }
5003: }
5004:
5005: $result .= "</select></td><td>\n";
5006: $result .= "<select name='${var}.paper'>\n";
5007:
5008: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
5009: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
5010: $DefaultPaperSize=~s/\s//g;
5011: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
5012: $i = 0;
5013: foreach (@paperSize) {
5014: $_=~/(\w+)/;
5015: my $papersize=$1;
5016: if ($paperSize[$i]=~/$DefaultPaperSize/) {
5017: $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
5018: } else {
5019: $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
5020: }
5021: $i++;
5022: }
5023: $result .= <<HTML;
5024: </select>
5025: </td>
5026: <td align='center'>
5027: <select name='${var}.pdfFormFields'>
5028: <option selected="selected" value="no">$without</option>
5029: <option value="yes">$with</option>
5030: </select>
5031: </td>
5032: HTML
5033: $result.=&Apache::loncommon::end_data_table_row()
5034: .&Apache::loncommon::end_data_table();
5035:
5036: return $result;
5037: }
5038:
5039: sub postprocess {
5040: my $self = shift;
5041:
5042: my $var = $self->{'variable'};
5043: my $helper = Apache::lonhelper->getHelper();
5044: $helper->{VARS}->{$var} =
5045: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
5046: $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
5047: return 1;
5048: }
5049:
5050: 1;
5051:
5052: package Apache::lonprintout::page_size_state;
5053:
5054: =pod
5055:
5056: =head1 Helper element: page_size_state
5057:
5058: See lonhelper.pm documentation for discussion of the helper framework.
5059:
5060: Apache::lonprintout::page_size_state is an element that gives the
5061: user the opportunity to further refine the page settings if they
5062: select a single-column page.
5063:
5064: page_size_state is always directly invoked in lonprintout.pm, so there
5065: is no tag interface. You actually pass parameters to the constructor.
5066:
5067: =over 4
5068:
5069: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
5070:
5071: =back
5072:
5073: =cut
5074:
5075: use Apache::lonhelper;
5076: use Apache::lonnet;
5077: no strict;
5078: @ISA = ("Apache::lonhelper::element");
5079: use strict;
5080:
5081:
5082:
5083: sub new {
5084: my $self = Apache::lonhelper::element->new();
5085:
5086: shift; # disturbs me (probably prevents subclassing) but works (drops
5087: # package descriptor)... - Jeremy
5088:
5089: $self->{'variable'} = shift;
5090: my $helper = Apache::lonhelper::getHelper();
5091: $helper->declareVar($self->{'variable'});
5092:
5093: # The variable name of the format element, so we can look into
5094: # $helper->{VARS} to figure out whether the columns are one or two
5095: $self->{'formatvar'} = shift;
5096:
5097:
5098: $self->{NEXTSTATE} = shift;
5099: bless($self);
5100:
5101: return $self;
5102: }
5103:
5104: sub render {
5105: my $self = shift;
5106: my $helper = Apache::lonhelper::getHelper();
5107: my $result = '';
5108: my $var = $self->{'variable'};
5109:
5110:
5111:
5112: if (defined $self->{ERROR_MSG}) {
5113: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
5114: }
5115:
5116: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5117:
5118: # Use format to get sensible defaults for the margins:
5119:
5120:
5121: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5122: ($papersize) = split(/ /, $papersize);
5123:
5124: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5125:
5126:
5127:
5128: my %size;
5129: ($size{'width_and_units'},
5130: $size{'height_and_units'},
5131: $size{'margin_and_units'})=
5132: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5133:
5134: foreach my $dimension ('width','height','margin') {
5135: ($size{$dimension},$size{$dimension.'_unit'}) =
5136: split(/ +/, $size{$dimension.'_and_units'},2);
5137:
5138: foreach my $unit ('cm','in') {
5139: $size{$dimension.'_options'} .= '<option ';
5140: if ($size{$dimension.'_unit'} eq $unit) {
5141: $size{$dimension.'_options'} .= 'selected="selected" ';
5142: }
5143: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
5144: }
5145: }
5146:
5147: # Adjust margin for LaTeX margin: .. requires units == cm or in.
5148:
5149: if ($size{'margin_unit'} eq 'in') {
5150: $size{'margin'} += 1;
5151: } else {
5152: $size{'margin'} += 2.54;
5153: }
5154: my %lt = &Apache::lonlocal::texthash(
5155: 'format' => 'How should each column be formatted?',
5156: 'width' => 'Width',
5157: 'height' => 'Height',
5158: 'margin' => 'Left Margin'
5159: );
5160:
5161: $result .= '<p>'.$lt{'format'}.'</p>'
5162: .&Apache::lonhtmlcommon::start_pick_box()
5163: .&Apache::lonhtmlcommon::row_title($lt{'width'})
5164: .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
5165: .'<select name="'.$var.'.widthunit">'
5166: .$size{'width_options'}
5167: .'</select>'
5168: .&Apache::lonhtmlcommon::row_closure()
5169: .&Apache::lonhtmlcommon::row_title($lt{'height'})
5170: .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
5171: .'<select name="'.$var.'.heightunit">'
5172: .$size{'height_options'}
5173: .'</select>'
5174: .&Apache::lonhtmlcommon::row_closure()
5175: .&Apache::lonhtmlcommon::row_title($lt{'margin'})
5176: .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
5177: .'<select name="'.$var.'.lmarginunit">'
5178: .$size{'margin_options'}
5179: .'</select>'
5180: .&Apache::lonhtmlcommon::row_closure(1)
5181: .&Apache::lonhtmlcommon::end_pick_box();
5182: # <p>Hint: Some instructors like to leave scratch space for the student by
5183: # making the width much smaller than the width of the page.</p>
5184:
5185: return $result;
5186: }
5187:
5188:
5189: sub preprocess {
5190: my $self = shift;
5191: my $helper = Apache::lonhelper::getHelper();
5192:
5193: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5194:
5195: # If the user does not have 'pav' privilege, set default widths and
5196: # on to the next state right away.
5197: #
5198: if (!$perm{'pav'}) {
5199: my $var = $self->{'variable'};
5200: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5201:
5202: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5203: ($papersize) = split(/ /, $papersize);
5204:
5205:
5206: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5207:
5208: # Figure out some good defaults for the print out and set them:
5209:
5210: my %size;
5211: ($size{'width'},
5212: $size{'height'},
5213: $size{'lmargin'})=
5214: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5215:
5216: foreach my $dim ('width', 'height', 'lmargin') {
5217: my ($value, $units) = split(/ /, $size{$dim});
5218:
5219: $helper->{VARS}->{"$var.".$dim} = $value;
5220: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
5221:
5222: }
5223:
5224:
5225: # Transition to the next state
5226:
5227: $helper->changeState($self->{NEXTSTATE});
5228: }
5229:
5230: return 1;
5231: }
5232:
5233: sub postprocess {
5234: my $self = shift;
5235:
5236: my $var = $self->{'variable'};
5237: my $helper = Apache::lonhelper->getHelper();
5238: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
5239: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
5240: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
5241: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
5242: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
5243: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
5244:
5245: my $error = '';
5246:
5247: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
5248: # by an optional period, followed by digits, ending the string
5249:
5250: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5251: $error .= "Invalid width; please type only a number.<br />\n";
5252: }
5253: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5254: $error .= "Invalid height; please type only a number.<br />\n";
5255: }
5256: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5257: $error .= "Invalid left margin; please type only a number.<br />\n";
5258: } else {
5259: # Adjust for LaTeX 1.0 inch margin:
5260:
5261: if ($env{"form.${var}.lmarginunit"} eq "in") {
5262: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
5263: } else {
5264: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
5265: }
5266: }
5267:
5268: if (!$error) {
5269: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
5270: return 1;
5271: } else {
5272: $self->{ERROR_MSG} = $error;
5273: return 0;
5274: }
5275: }
5276:
5277: __END__
5278:
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