1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.616 2012/05/28 10:31:17 foxr Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: # http://www.lon-capa.org/
26: #
27: #
28: package Apache::lonprintout;
29: use strict;
30: use POSIX;
31: use Apache::Constants qw(:common :http);
32: use Apache::lonxml;
33: use Apache::lonnet;
34: use Apache::loncommon;
35: use Apache::inputtags;
36: use Apache::grades;
37: use Apache::edit;
38: use Apache::File();
39: use Apache::lonnavmaps;
40: use Apache::admannotations;
41: use Apache::lonenc;
42: use Apache::entities;
43: use Apache::londefdef;
44: # use Apache::structurelags; # for language management.
45:
46: use File::Basename;
47:
48: use HTTP::Response;
49: use LONCAPA::map();
50: use POSIX qw(ctime);
51: use Apache::lonlocal;
52: use Carp;
53: use LONCAPA;
54:
55:
56: my %perm;
57: my %parmhash;
58: my $resources_printed;
59:
60: # Global variables that describe errors in ssi calls detected by ssi_with_retries.
61: #
62:
63: my $ssi_error; # True if there was an ssi error.
64: my $ssi_last_error_resource; # The resource URI that could not be fetched.
65: my $ssi_last_error; # The error text from the server. (e.g. 500 Server timed out).
66:
67: #
68: # Our ssi max retry count.
69: #
70:
71: my $ssi_retry_count = 5; # Some arbitrary value.
72:
73:
74: # Font size:
75:
76: my $font_size = 'normalsize'; # Default is normalsize...
77:
78: #---------------------------- Helper helpers. -------------------------
79:
80: ##
81: # Filter function to determine if a resource is a printable sequence.
82: #
83: # @param $res -Resource to check.
84: #
85: # @return 1 - printable and a resource
86: # 0 - either notm a sequence or not printable.
87: #
88: sub printable_sequence {
89: my $res = shift;
90:
91: # Non-sequences are not listed:
92:
93: if (!$res->is_sequence()) {
94: return 0;
95: }
96:
97: # Person with pav or pfo can always print:
98:
99: if ($perm{'pav'} || $perm{'pfo'}) {
100: return 1;
101: }
102:
103: if ($res->is_sequence()) {
104: my $symb = $res->symb();
105: &Apache::lonnet::logthis("Symb: $symb");
106: my $navmap = $res->{NAV_MAP};
107:
108: # Find the first resource in the map:
109:
110: my $iterator = $navmap->getIterator($res, undef, undef, 1, 1);
111: my $first = $iterator->next();
112:
113: while (1) {
114: if ($first == $iterator->END_ITERATOR) {
115: &Apache::lonnet::logthis("End of iterator");
116: last; }
117: if (ref($first)) {
118: &Apache::lonnet::logthis("Looking at: " . $first->symb());
119: } else {
120: &Apache::lonnet::logthis("Got: $first");
121: }
122: if (ref($first) && ! $first->is_sequence()) {last; }
123: $first = $iterator->next();
124: }
125:
126:
127: # Might be an empty map:
128:
129: if (!ref($first)) {
130: &Apache::lonnet::logthis("printable_sequence: empty");
131: return 0;
132: }
133: my $partsref = $first->parts();
134: my @parts = @$partsref;
135: &Apache::lonnet::logthis("Dates for " . $first->symb());
136: my ($open, $close) = $navmap->map_printdates($first, $parts[0]);
137: &Apache::lonnet::logthis("Opens $open, closes $close");
138: &Apache::lonnet::logthis(ctime($open));
139: &Apache::lonnet::logthis(ctime($close));
140: return &printable($open, $close);
141: }
142: return 0;
143: }
144:
145: # BZ5209:
146: # Create the states needed to run the helper for incomplete problems from
147: # the current folder for selected students.
148: # This includes:
149: # - A resource selector limited to problems (incompleteness must be
150: # calculated on a student per student basis.
151: # - A student selector.
152: # - Tie in to the FORMAT of the print job.
153: #
154: # States:
155: # CHOOSE_INCOMPLETE_PEOPLE_SEQ - Resource selection.
156: # CHOOSE_STUDENTS_INCOMPLETE - Student selection.
157: # CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection
158: # Parameters:
159: # helper - the helper which already contains info about the current folder we can
160: # purloin.
161: # url - Top url of the sequence
162: # Return:
163: # XML that can be parsed by the helper to drive the state machine.
164: #
165: sub create_incomplete_folder_selstud_helper($helper)
166: {
167: my ($helper, $map) = @_;
168:
169:
170: my $symbFilter = '$res->shown_symb()';
171: my $selFilter = '$res->is_problem()';
172:
173:
174: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ',
175: 'Select problem(s) to print',
176: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
177: 'RESOURCES',
178: 'CHOOSE_STUDENTS_INCOMPLETE',
179: $map,
180: $selFilter,
181: '',
182: $symbFilter,
183: '');
184:
185: my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE',
186: 'student_sort',
187: 'STUDENTS',
188: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT');
189:
190: my $format_chooser = &generate_format_selector($helper,
191: 'Format of the print job',
192: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
193:
194: return $resource_chooser . $student_chooser . $format_chooser;
195: }
196:
197:
198: # BZ 5209
199: # Create the states needed to run the helper for incomplete problems from
200: # the current folder for selected students.
201: # This includes:
202: # - A resource selector limited to problems. (incompleteness must be calculated
203: # on a student per student basis.
204: # - A student selector.
205: # - Tie in to format for the print job.
206: # States:
207: # INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector.
208: # INCOMPLETE_PROBLEMS_COURSE_STUDENTS - Student selector.
209: # INCOMPLETE_PROBLEMS_COURSE_FORMAT - Format selection.
210: #
211: # Parameters:
212: # helper - Helper we are creating states for.
213: # Returns:
214: # Text that can be parsed by the helper.
215: #
216:
217: sub create_incomplete_course_helper {
218: my $helper = shift;
219:
220: my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
221: my $symbfilter = '$res->shown_symb()';
222:
223: my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES',
224: 'Select problem(s) to print',
225: 'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1"',
226: 'RESOURCES',
227: 'INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
228: '',
229: $filter,
230: '',
231: $symbfilter,
232: '');
233:
234: my $people_chooser = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
235: 'student_sort',
236: 'STUDENTS',
237: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT');
238:
239: my $format = &generate_format_selector($helper,
240: 'Format of the print job',
241: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
242:
243: return $resource_chooser . $people_chooser . $format;
244:
245:
246: }
247:
248: # BZ5209
249: # Creates the states needed to run the print helper for a student
250: # that wants to print his incomplete problems from the current folder.
251: # Parameters:
252: # $helper - helper we are generating states for.
253: # $map - The map for which the student wants incomplete problems.
254: # Returns:
255: # XML that defines the helper states being created.
256: #
257: # States:
258: # CHOOSE_INCOMPLETE_SEQ - Resource selector.
259: #
260: sub create_incomplete_folder_helper {
261: my ($helper, $map) = @_;
262:
263: my $filter = '$res->is_problem()';
264: $filter .= ' && $res->resprintable() ';
265: $filter .= ' && $res->is_incomplete() ';
266:
267: my $symfilter = '$res->shown_symb()';
268:
269: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ',
270: 'Select problem(s) to print',
271: 'multichoice="1", toponly ="1", addstatus="1", closeallpages="1"',
272: 'RESOURCES',
273: 'PAGESIZE',
274: $map,
275: $filter, '',
276: $symfilter,
277: '');
278:
279: return $resource_chooser;
280: }
281:
282:
283: # Returns the text neded for a student chooser.
284: # that text must still be parsed by the helper xml parser.
285: # Parameters:
286: # this_state - State name of the chooser.
287: # sort_choice - variable to hold the sorting choice.
288: # variable - Name of variable to hold students.
289: # next_state - State after chooser.
290:
291:
292: sub generate_student_chooser {
293: my ($this_state,
294: $sort_choice,
295: $variable,
296: $next_state) = @_;
297: my $result = <<CHOOSE_STUDENTS;
298: <state name="$this_state" title="Select Students and Resources">
299: <message><b>Select sorting order of printout</b> </message>
300:
301: <choices variable="$sort_choice">
302: <choice computer='0'>Sort by section then student</choice>
303: <choice computer='1'>Sort by students across sections.</choice>
304: </choices>
305:
306: <message><br /><hr /><br /> </message>
307: <student multichoice='1'
308: variable="$variable"
309: nextstate="$next_state"
310: coursepersonnel="1" />
311: </state>
312:
313: CHOOSE_STUDENTS
314:
315: return $result;
316: }
317:
318: # Generate the text needed for a resource chooser given the top level of
319: # the sequence/page
320: #
321: # Parameters:
322: # this_state - State name of the chooser.
323: # prompt_text - Text to use to prompt user.
324: # resource_options - Resource tag options e.g.
325: # "multichoice='1', toponly='1', addstatus='1'"
326: # that control the selection and appearance of the
327: # resource selector.
328: # variable - Name of the variable to hold the choice
329: # next_state - Name of the next state the helper should transition
330: # to
331: # top_url - Top level URL within which to make the selector.
332: # If empty the top level sequence is shown.
333: # filter - How to filter the resources.
334: # value_func - <valuefunc> function.
335: # choice_func - If not empty generates a <choicefunc> with this function.
336: # start_new_option
337: # - Fragment appended after valuefunc.
338: #
339: #
340: sub generate_resource_chooser {
341: my ($this_state,
342: $prompt_text,
343: $resource_options,
344: $variable,
345: $next_state,
346: $top_url,
347: $filter,
348: $choice_func,
349: $value_func,
350: $start_new_option) = @_;
351:
352: my $result = <<CHOOSE_RESOURCES;
353: <state name="$this_state" title="$prompt_text">
354: <resource variable="$variable" $resource_options
355: closeallpages="1">
356: <nextstate>$next_state</nextstate>
357: <filterfunc>return $filter;</filterfunc>
358: CHOOSE_RESOURCES
359: if ($choice_func ne '') {
360: $result .= "<choicefunc>return $choice_func;</choicefunc>";
361: }
362: if ($top_url ne '') {
363: $result .= "<mapurl>$top_url</mapurl>";
364: }
365: $result .= <<CHOOSE_RESOURCES;
366: <valuefunc>return $value_func;</valuefunc>
367: $start_new_option
368: </resource>
369: </state>
370: CHOOSE_RESOURCES
371: return $result;
372: }
373: #
374: # Generate the helper XML for a code choice helper dialog:
375: #
376: # Paramters:
377: # $helper - Reference to the helper.
378: # $state - Name of the state for the chooser.
379: # $next_state - Name fo the state to follow the chooser.
380: # $bubble_types - Populates the bubble sheet type dropt down.
381: # $code_selections - Provides set of code choices that have been used
382: # $saved_codes - Provides the list of saved codes.
383: #
384: # Returns;
385: # The Xml of the code chooser.
386: #
387: sub generate_code_selector {
388: my ($helper,
389: $state,
390: $next_state,
391: $bubble_types,
392: $code_selections,
393: $saved_codes) = @_; # Unpack the parameters.
394:
395: my $result = <<CHOOSE_ANON1;
396: <state name="$state" title="Specify CODEd Assignments">
397: <nextstate>$next_state</nextstate>
398: <message><h4>Fill out one of the forms below</h4></message>
399: <message><br /><hr /> <br /></message>
400: <message><h3>Generate new CODEd Assignments</h3></message>
401: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
402: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
403: <validator>
404: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
405: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
406: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
407: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
408:
409: return "You need to specify the number of assignments to print";
410: }
411: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
412: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
413: return 'Specifying number of codes to print and a specific code is not compatible';
414: }
415: return undef;
416: </validator>
417: </string>
418: <message></td></tr><tr><td></message>
419: <message><b>Names to save the CODEs under for later:</b></message>
420: <message></td><td></message>
421: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
422: <message></td></tr><tr><td></message>
423: <message><b>Bubblesheet type:</b></message>
424: <message></td><td></message>
425: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
426: $bubble_types
427: </dropdown>
428: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
429: <message></td></tr><tr><td></table></message>
430: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
431: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
432: <string variable="SINGLE_CODE" size="10">
433: <validator>
434: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
435: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
436: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
437: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
438: \$helper->{'VARS'}{'CODE_OPTION'});
439: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
440: return 'Specifying a code name is incompatible with specifying number of codes.';
441: } else {
442: return undef; # Other forces control us.
443: }
444: </validator>
445: </string>
446: <message></td></tr><tr><td></message>
447: $code_selections
448: <message></td></tr></table></message>
449: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
450: <message><b>Select saved CODEs:</b></message>
451: <message></td><td></message>
452: <dropdown variable="REUSE_OLD_CODES">
453: $saved_codes
454: </dropdown>
455: <message></td></tr></table></message>
456: </state>
457: CHOOSE_ANON1
458:
459: return $result;
460: }
461:
462: # Returns the XML for choosing how assignments are to be formatted
463: # that text must still be parsed by the helper xml parser.
464: # Parameters: 3 (required)
465:
466: # helper - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
467: # to check if splitting PDFs by section can be offered.
468: # title - Title for the current state.
469: # this_state - State name of the chooser.
470:
471: sub generate_format_selector {
472: my ($helper,$title,$this_state) = @_;
473: my $secpdfoption;
474: unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
475: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
476: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
477: $secpdfoption = '<choice computer="sections">Each PDF contains exactly one section</choice>';
478: }
479: return <<RESOURCE_SELECTOR;
480: <state name="$this_state" title="$title">
481: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
482: <choices variable="EMPTY_PAGES">
483: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
484: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
485: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
486: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
487: </choices>
488: <nextstate>PAGESIZE</nextstate>
489: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
490: <choices variable="SPLIT_PDFS">
491: <choice computer="all">All assignments in a single PDF file</choice>
492: $secpdfoption
493: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
494: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
495: Specify the number of assignments per PDF:</choice>
496: </choices>
497: </state>
498: RESOURCE_SELECTOR
499: }
500:
501: #-----------------------------------------------------------------------
502:
503: # Computes an open and close date from a list of open/close dates for a resource's
504: # parts.
505: #
506: # @param \@opens - reference to an array of open dates.
507: # @param \@closes - reference to an array of close dates.
508: #
509: # @return ($open, $close)
510: #
511: # @note If open/close dates are not defined they will be retunred as undef
512: # @note It is possible for there to be no overlap in which case -1,-1
513: # will be returned.
514: # @note The algorithm used is to take the latest open date and the earliest end date.
515: #
516: sub compute_open_window {
517: my ($opensref, $closesref) = @_;
518:
519: my @opens = @$opensref;
520: my @closes = @$closesref;
521:
522: # latest open date:
523: my $latest_open;
524:
525: foreach my $open (@opens) {
526: if (!defined($latest_open) || ($open > $latest_open)) {
527: $latest_open = $open;
528: }
529: }
530: # Earliest close:
531:
532: my $earliest_close;
533: foreach my $close (@closes) {
534: if (!defined($earliest_close) || ($close < $earliest_close)) {
535: $earliest_close = $close;
536: }
537: }
538:
539: # If no overlap...both are -1 as promised.
540:
541: if (defined($earliest_close) && defined($latest_open)
542: && ($earliest_close < $latest_open)) {
543: $latest_open = -1;
544: $earliest_close = -1;
545: }
546:
547: return ($latest_open, $earliest_close);
548:
549: }
550:
551: ##
552: # Determines if 'now' is within the set of printable dates.
553: #
554: # @param $open_date - Starting date/timestamp.
555: # @param $close_date - Ending date/timestamp.
556: #
557: # @return 0 - Not open.
558: # @return 1 - open.
559: #
560: sub printable {
561: my ($open_date, $close_date) = @_;
562:
563:
564: my $now = time();
565:
566: # Have to do a bit of fancy footwork around undefined open/close dates:
567:
568: if ($open_date && ($open_date > $now)) {
569: return 0;
570: }
571:
572: if ($close_date && ($close_date < $now)) {
573: return 0;
574: }
575:
576: return 1;
577:
578: }
579:
580: ##
581: # Returns the innermost print start/print end dates for a resource.
582: # This is done by looking at the start/end dates for its parts and choosing
583: # the intersection of those dates.
584: #
585: # @param res - lonnvamaps::resource object that represents the resource.
586: #
587: # @return (opendate, closedate)
588: #
589: # @note If open/close dates are not defined they will be retunred as undef
590: # @note It is possible for there to be no overlap in which case -1,-1
591: # will be returned.
592: # @note The algorithm used is to take the latest open date and the earliest end date.
593: #
594:
595: sub get_print_dates {
596: my $res = shift;
597: my $partsref = $res->parts();
598: my @parts = @$partsref;
599: my $open_date;
600: my $close_date;
601: my @open_dates;
602: my @close_dates;
603:
604:
605: if (defined(@parts) && (scalar(@parts) > 0)) {
606: foreach my $part (@parts) {
607: my $partopen = $res->parmval('printstartdate', $part);
608: my $partclose = $res->parmval('printenddate', $part);
609:
610: push(@open_dates, $partopen);
611: push(@close_dates, $partclose);
612: }
613: }
614:
615: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
616:
617: if ($open_date) {
618: $open_date = POSIX::strftime('%D', localtime($open_date));
619: }
620: if ($close_date) {
621: $close_date = POSIX::strftime('%D', localtime($close_date));
622: }
623:
624: return ($open_date, $close_date);
625: }
626:
627: ##
628: # Get the dates for which a course says a resource can be printed. This is like
629: # get_print_dates but namvaps::course_print_dates are gotten...and not converted
630: # to times either.
631: #
632: # @param $res - Reference to a resource has from lonnvampas::resource.
633: #
634: # @return (opendate, closedate)
635: #
636: sub course_print_dates {
637: my $res = shift;
638: my $partsref = $res->parts();
639: my @parts = @$partsref;
640: my $open_date;
641: my $close_date;
642: my @open_dates;
643: my @close_dates;
644: my $navmap = $res->{NAV_MAP}; # Slightly OO dirty.
645:
646: # Don't bother looping over undefined or empty parts arraY;
647:
648: if (defined(@parts) && (scalar(@parts) > 0)) {
649: foreach my $part (@parts) {
650: my ($partopen, $partclose) = $navmap->course_printdates($res, $part);
651: push(@open_dates, $partopen);
652: push(@close_dates, $partclose);
653: }
654: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
655: }
656: return ($open_date, $close_date);
657: }
658: ##
659: # Same as above but for the enclosing map:
660: #
661: sub map_print_dates {
662: my $res = shift;
663: my $partsref = $res->parts();
664: my @parts = @$partsref;
665: my $open_date;
666: my $close_date;
667: my @open_dates;
668: my @close_dates;
669: my $navmap = $res->{NAV_MAP}; # slightly OO dirty.
670:
671:
672: # Don't bother looping over undefined or empty parts arraY;
673:
674: if (defined(@parts) && (scalar(@parts) > 0)) {
675: foreach my $part (@parts) {
676: my ($partopen, $partclose) = $navmap->map_printdates($res, $part);
677: push(@open_dates, $partopen);
678: push(@close_dates, $partclose);
679: }
680: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
681: }
682: return ($open_date, $close_date);
683: }
684:
685: # Determine if a resource is incomplete given the map:
686: # Parameters:
687: # $username - Name of user for whom we are checking.
688: # $domain - Domain of user we are checking.
689: # $map - map name.
690: # Returns:
691: # 0 - map is not incomplete.
692: # 1 - map is incomplete.
693: #
694: sub incomplete {
695: my ($username, $domain, $map) = @_;
696:
697:
698: my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
699:
700:
701: if (defined($navmap)) {
702: my $res = $navmap->getResourceByUrl($map);
703: my $result = $res->is_incomplete();
704: return $result;
705: } else {
706: return 1;
707: }
708: }
709: #
710: # When printing for students, the resoures and order of the
711: # resources may need to be altered if there are folders with
712: # random selectiopn or random ordering (or both) enabled.
713: # This sub computes the set of resources to print for a student
714: # modified both by random ordering and selection and filtered
715: # to only those that are in the original set selcted to be printed.
716: #
717: # Parameters:
718: # $helper - The helper we need $helper->{'VARS'}->{'symb'}
719: # to construct the navmap and the iteration.
720: # $seq - The original set of resources to print
721: # (really an array of resource names (array of symb's).
722: # $who - Student/domain for whome the sequence will be generated.
723: #
724: # Implicit inputs:
725: # $
726: # Returns:
727: # reference to an array of resources that can be passed to
728: # print_resources.
729: #
730: sub master_seq_to_person_seq {
731: my ($helper, $seq, $who) = @_;
732:
733:
734: my ($username, $userdomain, $usersection) = split(/:/, $who);
735:
736:
737: # Toss the sequence up into a hash so that we have O(1) lookup time.
738: # on the items that come out of the user's list of resources.
739: #
740:
741: my %seq_hash = map {$_ => 1} @$seq;
742: my @output_seq;
743:
744: my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
745: my $navmap = Apache::lonnavmaps::navmap->new($username, $userdomain);
746: my $iterator = $navmap->getIterator($navmap->firstResource(),
747: $navmap->finishResource(),
748: {}, 1);
749: my %nonResourceItems = (
750: $iterator->BEGIN_MAP => 1,
751: $iterator->BEGIN_BRANCH => 1,
752: $iterator->END_BRANCH => 1,
753: $iterator->END_MAP => 1,
754: $iterator->FORWARD => 1,
755: $iterator->BACKWARD => 1
756:
757: ); # These items are not resources but appear in the midst of iteration.
758:
759: # Iterate on the resource..select the items that are randomly selected
760: # and that are in the seq_has. Presumably the iterator will take care
761: # of the random ordering part of the deal.
762: #
763: my $curres;
764: while ($curres = $iterator->next()) {
765: #
766: # Only process resources..that are not removed by randomout...
767: # and are selected for printint as well.
768: #
769:
770: if (! exists $nonResourceItems{$curres} && ! $curres->randomout()) {
771: my $symb = $curres->symb();
772: if (exists $seq_hash{$symb}) {
773: push(@output_seq, $symb);
774: }
775: }
776: }
777:
778:
779: return \@output_seq; # for now.
780:
781: }
782:
783:
784: # Fetch the contents of a resource, uninterpreted.
785: # This is used here to fetch a latex file to be included
786: # verbatim into the printout<
787: # NOTE: Ask Guy if there is a lonnet function similar to this?
788: #
789: # Parameters:
790: # URL of the file
791: #
792: sub fetch_raw_resource {
793: my ($url) = @_;
794:
795: my $filename = &Apache::lonnet::filelocation("", $url);
796: my $contents = &Apache::lonnet::getfile($filename);
797:
798: if ($contents == -1) {
799: return "File open failed for $filename"; # This will bomb the print.
800: }
801: return $contents;
802:
803:
804: }
805:
806: # Fetch the annotations associated with a URL and
807: # put a centered 'annotations:' title.
808: # This is all suppressed if the annotations are empty.
809: #
810: sub annotate {
811: my ($symb) = @_;
812:
813: my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
814:
815:
816: my $result = "";
817:
818: if (length($annotation_text) > 0) {
819: $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
820: $result .= "\n";
821: $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex.
822: $result .= "\n\n";
823: }
824: return $result;
825: }
826:
827: #
828: # Set a global document font size:
829: # This is done by replacing \begin{document}
830: # with \begin{document}{\some-font-directive
831: # and \end{document} with
832: # }\end{document
833: #
834: sub set_font_size {
835:
836: my ($text) = @_;
837:
838: # There appear to be cases where the font directive is empty.. in which
839: # case the first substituion would insert a spurious \ oh happy day.
840: # as this has been the cause of much mystery and hair pulling _sigh_
841:
842: if ($font_size ne '') {
843:
844: $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
845: }
846: $text =~ s/\\end{document}/}\\end{document}/;
847: return $text;
848:
849:
850: }
851:
852: # include_pdf - PDF files are included into the
853: # output as follows:
854: # - The PDF, if necessary, is replicated.
855: # - The PDF is added to the list of files to convert to postscript (along with the images).
856: # - The LaTeX is added to include the final converted postscript in the file as an included
857: # job. The assumption is that the includedpsheader.ps header will be included.
858: #
859: # Parameters:
860: # pdf_uri - URI of the PDF file to include.
861: #
862: # Returns:
863: # The LaTeX to include.
864: #
865: # Assumptions:
866: # The uri is actually a PDF file
867: # The postscript will have the includepsheader.ps included.
868: #
869: #
870: sub include_pdf {
871: my ($pdf_uri) = @_;
872:
873: # Where is the file? If not local we'll need to repcopy it:'
874:
875: my $file = &Apache::lonnet::filelocation('', $pdf_uri);
876: if (! -e $file) {
877: &Apache::lonnet::repcopy($file);
878: $file = &Apache::lonnet::filelocation('',$pdf_uri);
879: }
880:
881: # The file isn ow replicated locally.. or it did not exist in the first place
882: # (unlikely). If it did exist, add the pdf to the set of files/images that
883: # need tob e converted for this print job:
884:
885: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
886: $file =~ s{(.*)/res/}{$londocroot/res/};
887:
888: open(FILE,">>$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat");
889: print FILE ("$file\n");
890: close (FILE);
891:
892: # Construct the special to put out. To do this we need to get the
893: # resulting filename after conversion. The file will have the same name
894: # but will be in the user's spool directory with converted images.
895:
896: my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
897: my ( $base, $path, $ext) = &fileparse($file, '.pdf');
898: # my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
899: $base =~ s/ /\_/g;
900:
901:
902: my $output = &print_latex_header();
903: $output .= '\special{ps: _begin_job_ ('
904: .$base.'.pdf.eps'.
905: ')run _end_job_}';
906:
907: return $output;
908:
909:
910: }
911: ##
912: # Collect the various \select_language{language_name}
913: # latex tags to build a \usepackage[lang-list]{babel} which will
914: # appear just prior to the \begin{document} at the front of the concatenated
915: # set of resources:
916: # @param doc - The string of latex to search/replace.
917: # @return string
918: # @retval - the modified document stringt.
919: #
920: sub collect_languages {
921: my $doc = shift;
922: my %languages;
923: while ($doc =~ /\\selectlanguage{(\w+)}/mg) {
924: $languages{$1} = 1; # allows us to request each language exactly once.
925: }
926: my @lang_list = (keys(%languages)); # List of unique languages
927: if (scalar @lang_list) {
928: my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n";
929: $doc =~ s/\\begin{document}/$babel_header\\begin{document}/;
930: }
931: return $doc;
932: }
933: #-------------------------------------------------------------------
934:
935: #
936: # ssi_with_retries- Does the server side include of a resource.
937: # if the ssi call returns an error we'll retry it up to
938: # the number of times requested by the caller.
939: # If we still have a proble, no text is appended to the
940: # output and we set some global variables.
941: # to indicate to the caller an SSI error occurred.
942: # All of this is supposed to deal with the issues described
943: # in LonCAPA BZ 5631 see:
944: # http://bugs.lon-capa.org/show_bug.cgi?id=5631
945: # by informing the user that this happened.
946: #
947: # Parameters:
948: # resource - The resource to include. This is passed directly, without
949: # interpretation to lonnet::ssi.
950: # form - The form hash parameters that guide the interpretation of the resource
951: #
952: # retries - Number of retries allowed before giving up completely.
953: # Returns:
954: # On success, returns the rendered resource identified by the resource parameter.
955: # Side Effects:
956: # The following global variables can be set:
957: # ssi_error - If an unrecoverable error occurred this becomes true.
958: # It is up to the caller to initialize this to false
959: # if desired.
960: # ssi_last_error_resource - If an unrecoverable error occurred, this is the value
961: # of the resource that could not be rendered by the ssi
962: # call.
963: # ssi_last_error - The error string fetched from the ssi response
964: # in the event of an error.
965: #
966: sub ssi_with_retries {
967: my ($resource, $retries, %form) = @_;
968:
969: my $target = $form{'grade_target'};
970: my $aom = $form{'answer_output_mode'};
971:
972:
973:
974: my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
975: if (!$response->is_success) {
976: $ssi_error = 1;
977: $ssi_last_error_resource = $resource;
978: $ssi_last_error = $response->code . " " . $response->message;
979: $content='\section*{!!! An error occurred !!!}';
980: }
981:
982: return $content;
983:
984: }
985:
986: sub get_student_view_with_retries {
987: my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
988:
989: my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
990: if (!$response->is_success) {
991: $ssi_error = 1;
992: $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
993: $ssi_last_error = $response->code . " " . $response->message;
994: $content='\section*{!!! An error occurred !!!}';
995: }
996: return $content;
997:
998: }
999:
1000: #
1001: # printf_style_subst item format_string repl
1002: #
1003: # Does printf style substitution for a format string that
1004: # can have %[n]item in it.. wherever, %[n]item occurs,
1005: # rep is substituted in format_string. Note that
1006: # [n] is an optional integer length. If provided,
1007: # repl is truncated to at most [n] characters prior to
1008: # substitution.
1009: #
1010: sub printf_style_subst {
1011: my ($item, $format_string, $repl) = @_;
1012: my $result = "";
1013: while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1014: my $fmt = $1;
1015: my $size = $2;
1016: my $subst = $repl;
1017: if ($size ne "") {
1018: $subst = substr($subst, 0, $size);
1019:
1020: # Here's a nice edge case.. supose the end of the
1021: # substring is a \. In that case may have just
1022: # chopped off a TeX escape... in that case, we append
1023: # " " for the trailing character, and let the field
1024: # spill over a bit (sigh).
1025: # We don't just chop off the last character in order to deal
1026: # with one last pathology, and that would be if substr had
1027: # trimmed us to e.g. \\\
1028:
1029:
1030: if ($subst =~ /\\$/) {
1031: $subst .= " ";
1032: }
1033: }
1034: my $item_pos = pos($format_string);
1035: $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
1036: $format_string = substr($format_string, pos($format_string));
1037: }
1038:
1039: # Put the residual format string into the result:
1040:
1041: $result .= $format_string;
1042:
1043: return $result;
1044: }
1045:
1046:
1047: # Format a header according to a format.
1048: #
1049:
1050: # Substitutions:
1051: # %a - Assignment name.
1052: # %c - Course name.
1053: # %n - Student name.
1054: # %s - The section if it is supplied.
1055: #
1056: sub format_page_header {
1057: my ($width, $format, $assignment, $course, $student, $section) = @_;
1058:
1059:
1060:
1061: $width = &recalcto_mm($width); # Get width in mm.
1062: my $chars_per_line = int($width/1.6); # Character/textline.
1063:
1064: # Default format?
1065:
1066: if ($format eq '') {
1067: # For the default format, we may need to truncate
1068: # elements.. To do this we need to get the page width.
1069: # we assume that each character is about 2mm in width.
1070: # (correct for the header text size??). We ignore
1071: # any formatting (e.g. boldfacing in this).
1072: #
1073: # - Allow the student/course to be one line.
1074: # but only truncate the course.
1075: # - Allow the assignment to be 2 lines (wrapped).
1076: #
1077:
1078:
1079:
1080: my $name_length = int($chars_per_line *3 /4);
1081: my $sec_length = int($chars_per_line / 5);
1082:
1083: $format = "%$name_length".'n';
1084:
1085: if ($section) {
1086: $format .= ' - Sec: '."%$sec_length".'s';
1087: }
1088:
1089: $format .= '\\\\%c \\\\ %a';
1090:
1091:
1092: }
1093: # An open question is how to handle long user formatted page headers...
1094: # A possible future is to support e.g. %na so that the user can control
1095: # the truncation of the elements that can appear in the header.
1096: #
1097: $format = &printf_style_subst("a", $format, $assignment);
1098: $format = &printf_style_subst("c", $format, $course);
1099: $format = &printf_style_subst("n", $format, $student);
1100: $format = &printf_style_subst("s", $format, $section);
1101:
1102:
1103: # If the user put %'s in the format string, they must be escaped
1104: # to \% else LaTeX will think they are comments and terminate
1105: # the line.. which is bad!!!
1106:
1107: # If the user has role author, $course and $assignment are empty so
1108: # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
1109: if($format =~ /\\\\\s\\\\\s/) {
1110: #TODO find sensible caption for page header
1111: my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
1112: $format =~ s/\\\\\s\\\\\s/$testPrintout/;
1113: }
1114: #
1115: # We're going to trust LaTeX to break lines appropriately, but
1116: # we'll truncate anything that's more than 3 lines worth of
1117: # text. This is also assuming (which will probably end badly)
1118: # nobody's going to embed LaTeX control sequences in the title
1119: # header or rather that those control sequences won't get broken
1120: # by the stuff below.
1121: #
1122: my $total_length = 3*$chars_per_line;
1123: if (length($format) > $total_length) {
1124: $format = substr($format, 0, $total_length);
1125: }
1126:
1127:
1128: return $format;
1129:
1130: }
1131:
1132: #
1133: # Convert a numeric code to letters
1134: #
1135: sub num_to_letters {
1136: my ($num) = @_;
1137: my @nums= split('',$num);
1138: my @num_to_let=('A'..'Z');
1139: my $word;
1140: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1141: return $word;
1142: }
1143: # Convert a letter code to numeric.
1144: #
1145: sub letters_to_num {
1146: my ($letters) = @_;
1147: my @letters = split('', uc($letters));
1148: my %substitution;
1149: my $digit = 0;
1150: foreach my $letter ('A'..'J') {
1151: $substitution{$letter} = $digit;
1152: $digit++;
1153: }
1154: # The substitution is done as below to preserve leading
1155: # zeroes which are needed to keep the code size exact
1156: #
1157: my $result ="";
1158: foreach my $letter (@letters) {
1159: $result.=$substitution{$letter};
1160: }
1161: return $result;
1162: }
1163:
1164: # Determine if a code is a valid numeric code. Valid
1165: # numeric codes must be comprised entirely of digits and
1166: # have a correct number of digits.
1167: #
1168: # Parameters:
1169: # value - proposed code value.
1170: # num_digits - Number of digits required.
1171: #
1172: sub is_valid_numeric_code {
1173: my ($value, $num_digits) = @_;
1174: # Remove leading/trailing whitespace;
1175: $value =~ s/^\s*//g;
1176: $value =~ s/\s*$//g;
1177:
1178: # All digits?
1179: if ($value !~ /^[0-9]+$/) {
1180: return "Numeric code $value has invalid characters - must only be digits";
1181: }
1182: if (length($value) != $num_digits) {
1183: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
1184: }
1185: return undef;
1186: }
1187: # Determines if a code is a valid alhpa code. Alpha codes
1188: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
1189: # They also have a correct digit count.
1190: # Parameters:
1191: # value - Proposed code value.
1192: # num_letters - correct number of letters.
1193: # Note:
1194: # leading and trailing whitespace are ignored.
1195: #
1196: sub is_valid_alpha_code {
1197: my ($value, $num_letters) = @_;
1198:
1199: # strip leading and trailing spaces.
1200:
1201: $value =~ s/^\s*//g;
1202: $value =~ s/\s*$//g;
1203:
1204: # All alphas in the right range?
1205: if ($value !~ /^[A-J,a-j]+$/) {
1206: return "Invalid letter code $value must only contain A-J";
1207: }
1208: if (length($value) != $num_letters) {
1209: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
1210: }
1211: return undef;
1212: }
1213:
1214: # Determine if a code entered by the user in a helper is valid.
1215: # valid depends on the code type and the type of code selected.
1216: # The type of code selected can either be numeric or
1217: # Alphabetic. If alphabetic, the code, in fact is a simple
1218: # substitution cipher for the actual numeric code: 0->A, 1->B ...
1219: # We'll be nice and be case insensitive for alpha codes.
1220: # Parameters:
1221: # code_value - the value of the code the user typed in.
1222: # code_option - The code type selected from the set in the scantron format
1223: # table.
1224: # Returns:
1225: # undef - The code is valid.
1226: # other - An error message indicating what's wrong.
1227: #
1228: sub is_code_valid {
1229: my ($code_value, $code_option) = @_;
1230: my ($code_type, $code_length) = ('letter', 6); # defaults.
1231: my @lines = &Apache::grades::get_scantronformat_file();
1232: foreach my $line (@lines) {
1233: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
1234: if($name eq $code_option) {
1235: $code_length = $length;
1236: if($type eq 'number') {
1237: $code_type = 'number';
1238: }
1239: }
1240: }
1241: my $valid;
1242: if ($code_type eq 'number') {
1243: return &is_valid_numeric_code($code_value, $code_length);
1244: } else {
1245: return &is_valid_alpha_code($code_value, $code_length);
1246: }
1247:
1248: }
1249:
1250: # Compare two students by name. The students are in the form
1251: # returned by the helper:
1252: # user:domain:section:last, first:status
1253: # This is a helper function for the perl sort built-in therefore:
1254: # Implicit Inputs:
1255: # $a - The first element to compare (global)
1256: # $b - The second element to compare (global)
1257: # Returns:
1258: # -1 - $a < $b
1259: # 0 - $a == $b
1260: # +1 - $a > $b
1261: # Note that the initial comparison is done on the last names with the
1262: # first names only used to break the tie.
1263: #
1264: #
1265: sub compare_names {
1266: # First split the names up into the primary fields.
1267:
1268: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1269: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1270:
1271: # Now split the last name and first name of each n:
1272: #
1273:
1274: my ($l1,$f1) = split(/,/, $n1);
1275: my ($l2,$f2) = split(/,/, $n2);
1276:
1277: # We don't bother to remove the leading/trailing whitespace from the
1278: # firstname, unless the last names compare identical.
1279:
1280: if($l1 lt $l2) {
1281: return -1;
1282: }
1283: if($l1 gt $l2) {
1284: return 1;
1285: }
1286:
1287: # Break the tie on the first name, but there are leading (possibly trailing
1288: # whitespaces to get rid of first
1289: #
1290: $f1 =~ s/^\s+//; # Remove leading...
1291: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
1292:
1293: $f2 =~ s/^\s+//;
1294: $f2 =~ s/\s+$//; # And the same for first 2...
1295:
1296: if($f1 lt $f2) {
1297: return -1;
1298: }
1299: if($f1 gt $f2) {
1300: return 1;
1301: }
1302:
1303: # Must be the same name.
1304:
1305: return 0;
1306: }
1307:
1308: sub latex_header_footer_remove {
1309: my $text = shift;
1310: $text =~ s/\\end{document}//;
1311: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
1312: return $text;
1313: }
1314: #
1315: # If necessary, encapsulate text inside
1316: # a minipage env.
1317: # necessity is determined by the problem_split param.
1318: #
1319: sub encapsulate_minipage {
1320: my ($text) = @_;
1321: if (!($env{'form.problem.split'} =~ /yes/i)) {
1322: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
1323: }
1324: return $text;
1325: }
1326: #
1327: # The NUMBER_TO_PRINT and SPLIT_PDFS
1328: # variables interact, this sub looks at these two parameters
1329: # and comes up with a final value for NUMBER_TO_PRINT which can be:
1330: # all - if SPLIT_PDFS eq 'all'.
1331: # 1 - if SPLIT_PDFS eq 'oneper'
1332: # section - if SPLIT_PDFS eq 'sections'
1333: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
1334: #
1335: sub adjust_number_to_print {
1336: my $helper = shift;
1337:
1338: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
1339:
1340: if ($split_pdf eq 'all') {
1341: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
1342: } elsif ($split_pdf eq 'oneper') {
1343: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
1344: } elsif ($split_pdf eq 'sections') {
1345: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
1346: } elsif ($split_pdf eq 'usenumber') {
1347: # Unmodified.
1348: } else {
1349: # Error!!!!
1350:
1351: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1352:
1353: }
1354: }
1355:
1356:
1357: sub character_chart {
1358: my $result = shift;
1359: return &Apache::entities::replace_entities($result);
1360: }
1361:
1362: sub old_character_chart {
1363: my $result = shift;
1364: $result =~ s/&\#0?0?(7|9);//g;
1365: $result =~ s/&\#0?(10|13);//g;
1366: $result =~ s/&\#0?32;/ /g;
1367: $result =~ s/&\#0?33;/!/g;
1368: $result =~ s/&(\#0?34|quot);/\"/g;
1369: $result =~ s/&\#0?35;/\\\#/g;
1370: $result =~ s/&\#0?36;/\\\$/g;
1371: $result =~ s/&\#0?37;/\\%/g;
1372: $result =~ s/&(\#0?38|amp);/\\&/g;
1373: $result =~ s/&\#(0?39|146);/\'/g;
1374: $result =~ s/&\#0?40;/(/g;
1375: $result =~ s/&\#0?41;/)/g;
1376: $result =~ s/&\#0?42;/\*/g;
1377: $result =~ s/&\#0?43;/\+/g;
1378: $result =~ s/&\#(0?44|130);/,/g;
1379: $result =~ s/&\#0?45;/-/g;
1380: $result =~ s/&\#0?46;/\./g;
1381: $result =~ s/&\#0?47;/\//g;
1382: $result =~ s/&\#0?48;/0/g;
1383: $result =~ s/&\#0?49;/1/g;
1384: $result =~ s/&\#0?50;/2/g;
1385: $result =~ s/&\#0?51;/3/g;
1386: $result =~ s/&\#0?52;/4/g;
1387: $result =~ s/&\#0?53;/5/g;
1388: $result =~ s/&\#0?54;/6/g;
1389: $result =~ s/&\#0?55;/7/g;
1390: $result =~ s/&\#0?56;/8/g;
1391: $result =~ s/&\#0?57;/9/g;
1392: $result =~ s/&\#0?58;/:/g;
1393: $result =~ s/&\#0?59;/;/g;
1394: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1395: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
1396: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1397: $result =~ s/&\#0?63;/\?/g;
1398: $result =~ s/&\#0?65;/A/g;
1399: $result =~ s/&\#0?66;/B/g;
1400: $result =~ s/&\#0?67;/C/g;
1401: $result =~ s/&\#0?68;/D/g;
1402: $result =~ s/&\#0?69;/E/g;
1403: $result =~ s/&\#0?70;/F/g;
1404: $result =~ s/&\#0?71;/G/g;
1405: $result =~ s/&\#0?72;/H/g;
1406: $result =~ s/&\#0?73;/I/g;
1407: $result =~ s/&\#0?74;/J/g;
1408: $result =~ s/&\#0?75;/K/g;
1409: $result =~ s/&\#0?76;/L/g;
1410: $result =~ s/&\#0?77;/M/g;
1411: $result =~ s/&\#0?78;/N/g;
1412: $result =~ s/&\#0?79;/O/g;
1413: $result =~ s/&\#0?80;/P/g;
1414: $result =~ s/&\#0?81;/Q/g;
1415: $result =~ s/&\#0?82;/R/g;
1416: $result =~ s/&\#0?83;/S/g;
1417: $result =~ s/&\#0?84;/T/g;
1418: $result =~ s/&\#0?85;/U/g;
1419: $result =~ s/&\#0?86;/V/g;
1420: $result =~ s/&\#0?87;/W/g;
1421: $result =~ s/&\#0?88;/X/g;
1422: $result =~ s/&\#0?89;/Y/g;
1423: $result =~ s/&\#0?90;/Z/g;
1424: $result =~ s/&\#0?91;/[/g;
1425: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1426: $result =~ s/&\#0?93;/]/g;
1427: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1428: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
1429: $result =~ s/&\#(0?96|145);/\`/g;
1430: $result =~ s/&\#0?97;/a/g;
1431: $result =~ s/&\#0?98;/b/g;
1432: $result =~ s/&\#0?99;/c/g;
1433: $result =~ s/&\#100;/d/g;
1434: $result =~ s/&\#101;/e/g;
1435: $result =~ s/&\#102;/f/g;
1436: $result =~ s/&\#103;/g/g;
1437: $result =~ s/&\#104;/h/g;
1438: $result =~ s/&\#105;/i/g;
1439: $result =~ s/&\#106;/j/g;
1440: $result =~ s/&\#107;/k/g;
1441: $result =~ s/&\#108;/l/g;
1442: $result =~ s/&\#109;/m/g;
1443: $result =~ s/&\#110;/n/g;
1444: $result =~ s/&\#111;/o/g;
1445: $result =~ s/&\#112;/p/g;
1446: $result =~ s/&\#113;/q/g;
1447: $result =~ s/&\#114;/r/g;
1448: $result =~ s/&\#115;/s/g;
1449: $result =~ s/&\#116;/t/g;
1450: $result =~ s/&\#117;/u/g;
1451: $result =~ s/&\#118;/v/g;
1452: $result =~ s/&\#119;/w/g;
1453: $result =~ s/&\#120;/x/g;
1454: $result =~ s/&\#121;/y/g;
1455: $result =~ s/&\#122;/z/g;
1456: $result =~ s/&\#123;/\\{/g;
1457: $result =~ s/&\#124;/\|/g;
1458: $result =~ s/&\#125;/\\}/g;
1459: $result =~ s/&\#126;/\~/g;
1460: $result =~ s/&\#131;/\\textflorin /g;
1461: $result =~ s/&\#132;/\"/g;
1462: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
1463: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
1464: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1465: $result =~ s/&\#137;/\\textperthousand /g;
1466: $result =~ s/&\#140;/{\\OE}/g;
1467: $result =~ s/&\#147;/\`\`/g;
1468: $result =~ s/&\#148;/\'\'/g;
1469: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1470: $result =~ s/&(\#150|\#8211);/--/g;
1471: $result =~ s/&\#151;/---/g;
1472: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1473: $result =~ s/&\#153;/\\texttrademark /g;
1474: $result =~ s/&\#156;/\\oe/g;
1475: $result =~ s/&\#159;/\\\"Y/g;
1476: $result =~ s/&(\#160|nbsp);/~/g;
1477: $result =~ s/&(\#161|iexcl);/!\`/g;
1478: $result =~ s/&(\#162|cent);/\\textcent /g;
1479: $result =~ s/&(\#163|pound);/\\pounds /g;
1480: $result =~ s/&(\#164|curren);/\\textcurrency /g;
1481: $result =~ s/&(\#165|yen);/\\textyen /g;
1482: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
1483: $result =~ s/&(\#167|sect);/\\textsection /g;
1484: $result =~ s/&(\#168|uml);/\\"\{\} /g;
1485: $result =~ s/&(\#169|copy);/\\copyright /g;
1486: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1487: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1488: $result =~ s/&(\#173|shy);/ - /g;
1489: $result =~ s/&(\#174|reg);/\\textregistered /g;
1490: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
1491: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
1492: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
1493: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
1494: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1495: $result =~ s/&(\#180|acute);/\\'\{\} /g;
1496: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1497: $result =~ s/&(\#182|para);/\\P/g;
1498: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1499: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1500: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1501: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
1502: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
1503: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
1504: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
1505: $result =~ s/&(\#191|iquest);/?\`/g;
1506: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
1507: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
1508: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
1509: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
1510: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
1511: $result =~ s/&(\#197|Aring);/{\\AA}/g;
1512: $result =~ s/&(\#198|AElig);/{\\AE}/g;
1513: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
1514: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
1515: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
1516: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
1517: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
1518: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
1519: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
1520: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
1521: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
1522: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
1523: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
1524: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
1525: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
1526: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
1527: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
1528: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1529: $result =~ s/&(\#216|Oslash);/{\\O}/g;
1530: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
1531: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
1532: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
1533: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
1534: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1535: $result =~ s/&(\#223|szlig);/{\\ss}/g;
1536: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
1537: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
1538: $result =~ s/&(\#226|acirc);/\\^{a}/g;
1539: $result =~ s/&(\#227|atilde);/\\~{a}/g;
1540: $result =~ s/&(\#228|auml);/\\\"{a}/g;
1541: $result =~ s/&(\#229|aring);/{\\aa}/g;
1542: $result =~ s/&(\#230|aelig);/{\\ae}/g;
1543: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
1544: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
1545: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
1546: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
1547: $result =~ s/&(\#235|euml);/\\\"{e}/g;
1548: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
1549: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
1550: $result =~ s/&(\#238|icirc);/\\^{i}/g;
1551: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1552: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1553: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
1554: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
1555: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
1556: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
1557: $result =~ s/&(\#245|otilde);/\\~{o}/g;
1558: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1559: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1560: $result =~ s/&(\#248|oslash);/{\\o}/g;
1561: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
1562: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
1563: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
1564: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
1565: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
1566: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1567: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1568: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1569: #Greek Alphabet
1570: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
1571: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
1572: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
1573: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
1574: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
1575: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
1576: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
1577: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
1578: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
1579: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
1580: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
1581: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
1582: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
1583: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1584: $result =~ s/&(omicron|\#959);/o/g;
1585: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
1586: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
1587: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
1588: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
1589: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
1590: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
1591: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
1592: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
1593: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
1594: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
1595: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1596: $result =~ s/&(Alpha|\#913);/A/g;
1597: $result =~ s/&(Beta|\#914);/B/g;
1598: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
1599: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1600: $result =~ s/&(Epsilon|\#917);/E/g;
1601: $result =~ s/&(Zeta|\#918);/Z/g;
1602: $result =~ s/&(Eta|\#919);/H/g;
1603: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1604: $result =~ s/&(Iota|\#921);/I/g;
1605: $result =~ s/&(Kappa|\#922);/K/g;
1606: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1607: $result =~ s/&(Mu|\#924);/M/g;
1608: $result =~ s/&(Nu|\#925);/N/g;
1609: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1610: $result =~ s/&(Omicron|\#927);/O/g;
1611: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1612: $result =~ s/&(Rho|\#929);/P/g;
1613: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1614: $result =~ s/&(Tau|\#932);/T/g;
1615: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
1616: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1617: $result =~ s/&(Chi|\#935);/X/g;
1618: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
1619: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1620: #Arrows (extended HTML 4.01)
1621: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
1622: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
1623: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
1624: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
1625: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
1626: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
1627: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
1628: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
1629: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
1630: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1631: #Mathematical Operators (extended HTML 4.01)
1632: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
1633: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
1634: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
1635: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
1636: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
1637: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
1638: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
1639: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
1640: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
1641: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
1642: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1643: $result =~ s/–/\\ensuremath\{-\}/g;
1644: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
1645: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
1646: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
1647: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
1648: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
1649: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
1650: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
1651: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
1652: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
1653: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
1654: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
1655: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
1656: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
1657: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
1658: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
1659: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
1660: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
1661: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
1662: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
1663: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
1664: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
1665: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
1666: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
1667: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
1668: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
1669: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1670: #Geometric Shapes (extended HTML 4.01)
1671: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1672: #Miscellaneous Symbols (extended HTML 4.01)
1673: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
1674: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
1675: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
1676: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1677: # Chemically useful 'things' contributed by Hon Kie (bug 4652).
1678:
1679: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
1680: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
1681: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
1682: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
1683: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
1684: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
1685: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
1686: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
1687: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
1688: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
1689: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
1690: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
1691: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1692:
1693: # Left/right quotations:
1694:
1695: $result =~ s/&(ldquo|#8220);/\`\`/g;
1696: $result =~ s/&(rdquo|#8221);/\'\'/g;
1697:
1698:
1699:
1700: return $result;
1701: }
1702:
1703:
1704: #width, height, oddsidemargin, evensidemargin, topmargin
1705: my %page_formats=
1706: ('letter' => {
1707: 'book' => {
1708: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
1709: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1710: },
1711: 'album' => {
1712: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'],
1713: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1714: },
1715: },
1716: 'legal' => {
1717: 'book' => {
1718: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1719: '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1720: },
1721: 'album' => {
1722: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
1723: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1724: },
1725: },
1726: 'tabloid' => {
1727: 'book' => {
1728: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
1729: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
1730: },
1731: 'album' => {
1732: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
1733: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1734: },
1735: },
1736: 'executive' => {
1737: 'book' => {
1738: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
1739: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
1740: },
1741: 'album' => {
1742: '1' => [],
1743: '2' => []
1744: },
1745: },
1746: 'a2' => {
1747: 'book' => {
1748: '1' => [],
1749: '2' => []
1750: },
1751: 'album' => {
1752: '1' => [],
1753: '2' => []
1754: },
1755: },
1756: 'a3' => {
1757: 'book' => {
1758: '1' => [],
1759: '2' => []
1760: },
1761: 'album' => {
1762: '1' => [],
1763: '2' => []
1764: },
1765: },
1766: 'a4' => {
1767: 'book' => {
1768: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1769: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1770: },
1771: 'album' => {
1772: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1773: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1774: },
1775: },
1776: 'a5' => {
1777: 'book' => {
1778: '1' => [],
1779: '2' => []
1780: },
1781: 'album' => {
1782: '1' => [],
1783: '2' => []
1784: },
1785: },
1786: 'a6' => {
1787: 'book' => {
1788: '1' => [],
1789: '2' => []
1790: },
1791: 'album' => {
1792: '1' => [],
1793: '2' => []
1794: },
1795: },
1796: );
1797:
1798: sub page_format {
1799: #
1800: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1801: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1802: # "A2 [420x594 mm]", "A3 [297x420 mm]",
1803: # "A4 [210x297 mm]", "A5 [148x210 mm]",
1804: # "A6 [105x148 mm]"
1805: #
1806: my ($papersize,$layout,$numberofcolumns) = @_;
1807: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1808: }
1809:
1810:
1811: sub get_name {
1812: my ($uname,$udom)=@_;
1813: if (!defined($uname)) { $uname=$env{'user.name'}; }
1814: if (!defined($udom)) { $udom=$env{'user.domain'}; }
1815: my $plainname=&Apache::loncommon::plainname($uname,$udom);
1816: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1817: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1818: return $plainname;
1819: }
1820:
1821: sub get_course {
1822: my $courseidinfo;
1823: if (defined($env{'request.course.id'})) {
1824: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1825: my $sec = $env{'request.course.sec'};
1826:
1827: }
1828: return $courseidinfo;
1829: }
1830:
1831: sub page_format_transformation {
1832: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
1833: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1834:
1835: if ($selectionmade eq '4') {
1836: if ($choice eq 'all_problems') {
1837: $assignment=&mt('Problems from the Whole Course');
1838: } else {
1839: $assignment=&mt('Resources from the Whole Course');
1840: }
1841: } else {
1842: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
1843: }
1844: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1845:
1846:
1847: my $name = &get_name();
1848: my $courseidinfo = &get_course();
1849: my $header_text = $parmhash{'print_header_format'};
1850: $header_text = &format_page_header($textwidth, $header_text, $assignment,
1851: $courseidinfo, $name);
1852: my $topmargintoinsert = '';
1853: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1854: my $fancypagestatement='';
1855: if ($numberofcolumns eq '2') {
1856: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1857: } else {
1858: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1859: }
1860: if ($layout eq 'album') {
1861: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1862: } elsif ($layout eq 'book') {
1863: if ($choice ne 'All class print') {
1864: $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/;
1865: } else {
1866: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
1867: }
1868: if ($papersize eq 'a4') {
1869: my $papersize_text;
1870: if ($perm{'pav'}) {
1871: $papersize_text = '\\special{papersize=210mm,297mm}';
1872: } else {
1873: $papersize_text = '\special{papersize=210mm,297mm}';
1874: }
1875: $text =~ s/(\\begin{document})/$1$papersize_text/;
1876: }
1877: }
1878: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
1879: if ($indexlist eq 'yes') {
1880: $text=~s/(\\begin{document})/\\makeindex $1/;
1881: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
1882: }
1883: return $text;
1884: }
1885:
1886:
1887: sub page_cleanup {
1888: my $result = shift;
1889:
1890: $result =~ m/\\end{document}(\d*)$/;
1891: my $number_of_columns = $1;
1892: my $insert = '{';
1893: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1894: $insert .= '}';
1895: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1896: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
1897: return $result,$number_of_columns;
1898: }
1899:
1900:
1901: sub details_for_menu {
1902: my ($helper)=@_;
1903: my $postdata=$env{'form.postdata'};
1904: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
1905: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
1906: my $symbolic = &Apache::lonnet::symbread($postdata);
1907: return if ( $symbolic eq '');
1908:
1909: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1910: $map=&Apache::lonnet::clutter($map);
1911: my $name_of_sequence = &Apache::lonnet::gettitle($map);
1912: if ($name_of_sequence =~ /^\s*$/) {
1913: $map =~ m|([^/]+)$|;
1914: $name_of_sequence = $1;
1915: }
1916: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1917: if ($name_of_map =~ /^\s*$/) {
1918: $env{'request.course.uri'} =~ m|([^/]+)$|;
1919: $name_of_map = $1;
1920: }
1921: return ($name_of_resource,$name_of_sequence,$name_of_map);
1922: }
1923:
1924: sub copyright_line {
1925: 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 } ';
1926: }
1927: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1928:
1929: sub latex_corrections {
1930: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1931: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1932: my $copyright = ©right_line();
1933: if ($selectionmade eq '1' || $answer_mode eq 'only') {
1934: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1935: } else {
1936: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1937: }
1938: $result =~ s/\$number_of_columns/$number_of_columns/g;
1939: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
1940: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1941: #-- LaTeX corrections
1942: my $first_comment = index($result,'<!--',0);
1943: while ($first_comment != -1) {
1944: my $end_comment = index($result,'-->',$first_comment);
1945: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
1946: $first_comment = index($result,'<!--',$first_comment);
1947: }
1948: $result =~ s/^\s+$//gm; #remove empty lines
1949: #removes more than one empty space
1950: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1951: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
1952: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
1953: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1954: $result =~ s/\\\\\s+\[/ \[/g;
1955: #conversion of html characters to LaTeX equivalents
1956: if ($result =~ m/&(\w+|#\d+);/) {
1957: $result = &character_chart($result);
1958: }
1959: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
1960: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
1961: return $result;
1962: }
1963:
1964:
1965: sub index_table {
1966: my $currentURL = shift;
1967: my $insex_string='';
1968: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
1969: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
1970: return $insex_string;
1971: }
1972:
1973:
1974: sub IndexCreation {
1975: my ($texversion,$currentURL)=@_;
1976: my @key_words=split(/,/,&index_table($currentURL));
1977: my $chunk='';
1978: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
1979: if ($st>0) {
1980: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
1981: $chunk=substr($texversion,0,$st+1);
1982: substr($texversion,0,$st+1)=' ';
1983: }
1984: foreach my $key_word (@key_words) {
1985: if ($key_word=~/\S+/) {
1986: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
1987: }
1988: }
1989: if ($st>0) {substr($texversion,0,1)=$chunk;}
1990: return $texversion;
1991: }
1992:
1993: sub print_latex_header {
1994: my $mode=shift;
1995:
1996: return &Apache::londefdef::latex_header($mode);
1997: }
1998:
1999: sub path_to_problem {
2000: my ($urlp,$colwidth)=@_;
2001: $urlp=&Apache::lonnet::clutter($urlp);
2002:
2003: my $newurlp = '';
2004: $colwidth=~s/\s*mm\s*$//;
2005: #characters average about 2 mm in width
2006: if (length($urlp)*2 > $colwidth) {
2007: my @elements = split('/',$urlp);
2008: my $curlength=0;
2009: foreach my $element (@elements) {
2010: if ($element eq '') { next; }
2011: if ($curlength+(length($element)*2) > $colwidth) {
2012: $newurlp .= '|\vskip -1 mm \verb|';
2013: $curlength=length($element)*2;
2014: } else {
2015: $curlength+=length($element)*2;
2016: }
2017: $newurlp.='/'.$element;
2018: }
2019: } else {
2020: $newurlp=$urlp;
2021: }
2022: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
2023: }
2024:
2025: sub recalcto_mm {
2026: my $textwidth=shift;
2027: my $LaTeXwidth;
2028: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
2029: $LaTeXwidth = $1*10;
2030: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
2031: $LaTeXwidth = $1;
2032: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
2033: $LaTeXwidth = $1*25.4;
2034: }
2035: $LaTeXwidth.=' mm';
2036: return $LaTeXwidth;
2037: }
2038:
2039: sub get_textwidth {
2040: my ($helper,$LaTeXwidth)=@_;
2041: my $textwidth=$LaTeXwidth;
2042: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
2043: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
2044: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
2045: $helper->{'VARS'}->{'pagesize.widthunit'});
2046: }
2047: return $textwidth;
2048: }
2049:
2050:
2051: sub unsupported {
2052: my ($currentURL,$mode,$symb)=@_;
2053: if ($mode ne '') {$mode='\\'.$mode}
2054: my $result.= &print_latex_header($mode);
2055: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
2056: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
2057: my $title=&Apache::lonnet::gettitle($symb);
2058: $title = &Apache::lonxml::latex_special_symbols($title);
2059: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
2060: } else {
2061: $result.=$currentURL;
2062: }
2063: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2064: return $result;
2065: }
2066:
2067: #
2068: # Map from helper layout style to the book/album:
2069: #
2070: sub map_laystyle {
2071: my ($laystyle) = @_;
2072: if ($laystyle eq 'L') {
2073: $laystyle='album';
2074: } else {
2075: $laystyle='book';
2076: }
2077: return $laystyle;
2078: }
2079:
2080: sub print_page_in_course {
2081: my ($helper, $rparmhash, $currentURL, $resources) = @_;
2082:
2083: my %parmhash = %$rparmhash;
2084: my @page_resources = @$resources;
2085: my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
2086: my $symb = $helper->{'VARS'}->{'symb'};
2087:
2088:
2089: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2090:
2091:
2092: my @temporary_array=split /\|/,$format_from_helper;
2093: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2094: $laystyle = &map_laystyle($laystyle);
2095: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
2096: $numberofcolumns);
2097: my $LaTeXwidth=&recalcto_mm($textwidth);
2098:
2099:
2100: if ($mode ne '') {$mode='\\'.$mode}
2101: my $result = &print_latex_header($mode);
2102: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
2103: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
2104: my $title=&Apache::lonnet::gettitle($symb);
2105: $title = &Apache::lonxml::latex_special_symbols($title);
2106: } else {
2107: my $esc_currentURL= $currentURL;
2108: $esc_currentURL =~ s/_/\\_/g;
2109: $result.=$esc_currentURL;
2110: }
2111: $result .= '\\\\';
2112:
2113: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2114: &Apache::lonnet::appenv({'construct.style' =>
2115: $helper->{'VARS'}->{'style_file'}});
2116: } elsif ($env{'construct.style'}) {
2117: &Apache::lonnet::delenv('construct.style');
2118: }
2119:
2120: # First is the overall page description. This is then followed by the
2121: # components of the page. Each of which must be printed independently.
2122: my $the_page = shift(@page_resources);
2123:
2124:
2125: foreach my $resource (@page_resources) {
2126: my $resource_src = $resource->src(); # Essentially the URL of the resource.
2127: $result .= $resource->title() . '\\\\';
2128:
2129: # Recurse if a .page:
2130:
2131: if ($resource_src =~ /.page$/i) {
2132: my $navmap = Apache::lonnavmaps::navmap->new();
2133: my @page_resources = $navmap->retrieveResources($resource_src);
2134: $result .= &print_page_in_course($helper, $rparmhash,
2135: $resource_src, \@page_resources);
2136: }
2137: # these resources go through the XML transformer:
2138:
2139: elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2140:
2141: my $urlp = &Apache::lonnet::clutter($resource_src);
2142:
2143: my %form;
2144: my %moreenv;
2145:
2146: &Apache::lonxml::remember_problem_counter();
2147: $moreenv{'request.filename'}=$urlp;
2148: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2149:
2150: $form{'grade_target'} = 'tex';
2151: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2152: $form{'pdfFormFields'} = $pdfFormFields; #
2153: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2154:
2155: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2156: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2157: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2158: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2159: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2160: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2161: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2162: $form{'problem_split'}='yes';
2163: }
2164: my $rndseed = time;
2165: if ($helper->{'VARS'}->{'curseed'}) {
2166: $rndseed=$helper->{'VARS'}->{'curseed'};
2167: }
2168: $form{'rndseed'}=$rndseed;
2169: &Apache::lonnet::appenv(\%moreenv);
2170:
2171: &Apache::lonxml::clear_problem_counter();
2172:
2173: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
2174:
2175:
2176: # current document with answers.. no need to encap in minipage
2177: # since there's only one answer.
2178:
2179: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2180: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2181: my %answerform = %form;
2182:
2183:
2184: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2185: $answerform{'grade_target'}='answer';
2186: $answerform{'answer_output_mode'}='tex';
2187: $answerform{'rndseed'}=$rndseed;
2188: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2189: $answerform{'problemtype'}='exam';
2190: }
2191: $resources_printed .= $urlp.':';
2192: my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
2193:
2194: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2195: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2196: } else {
2197: $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2198: if ($helper->{'VARS'}->{'construction'} ne '1') {
2199: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2200: $title = &Apache::lonxml::latex_special_symbols($title);
2201: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2202: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2203: } else {
2204: $texversion.='\vskip 0 mm \noindent\textbf{'.
2205: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
2206: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2207: }
2208: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2209: }
2210:
2211:
2212:
2213:
2214:
2215: }
2216: # Print annotations.
2217:
2218:
2219: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2220: my $annotation .= &annotate($currentURL);
2221: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
2222: }
2223:
2224: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2225: $texversion=&IndexCreation($texversion,$currentURL);
2226: }
2227: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2228: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2229:
2230: }
2231: $texversion = &latex_header_footer_remove($texversion);
2232:
2233: # the first remaining line is a comment from londefdef the second
2234: # line seems to be an extraneous \vskip 1mm \\\\ :
2235: # (imperfect removal from header_footer_remove?
2236:
2237: $texversion =~ s/\\vskip 1mm \\\\\\\\//;
2238:
2239: $result .= $texversion;
2240: if ($currentURL=~m/\.page\s*$/) {
2241: ($result,$numberofcolumns) = &page_cleanup($result);
2242: }
2243: }
2244: }
2245:
2246: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2247: return $result;
2248: }
2249:
2250:
2251: #
2252: # List of recently generated print files
2253: #
2254: sub recently_generated {
2255: my ($prtspool) = @_;
2256: my $output;
2257: my $zip_result;
2258: my $pdf_result;
2259: opendir(DIR,$prtspool);
2260:
2261: my @files =
2262: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
2263: closedir(DIR);
2264:
2265: @files = sort {
2266: my ($actime) = (stat($prtspool.'/'.$a))[10];
2267: my ($bctime) = (stat($prtspool.'/'.$b))[10];
2268: return $bctime <=> $actime;
2269: } (@files);
2270:
2271: foreach my $filename (@files) {
2272: my ($ext) = ($filename =~ m/(pdf|zip)$/);
2273: my ($cdev,$cino,$cmode,$cnlink,
2274: $cuid,$cgid,$crdev,$csize,
2275: $catime,$cmtime,$cctime,
2276: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
2277: my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
2278: my $result=&Apache::loncommon::start_data_table_row()
2279: .'<td>'
2280: .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
2281: .'</td>'
2282: .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
2283: .'<td align="right">'.$csize.'</td>'
2284: .&Apache::loncommon::end_data_table_row();
2285: if ($ext eq 'pdf') { $pdf_result .= $result; }
2286: if ($ext eq 'zip') { $zip_result .= $result; }
2287: }
2288: if ($zip_result || $pdf_result) {
2289: $output ='<hr />';
2290: }
2291: if ($zip_result) {
2292: $output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
2293: .&Apache::loncommon::start_data_table()
2294: .&Apache::loncommon::start_data_table_header_row()
2295: .'<th>'.&mt('Download').'</th>'
2296: .'<th>'.&mt('Creation Date').'</th>'
2297: .'<th>'.&mt('File Size (Bytes)').'</th>'
2298: .&Apache::loncommon::end_data_table_header_row()
2299: .$zip_result
2300: .&Apache::loncommon::end_data_table();
2301: }
2302: if ($pdf_result) {
2303: $output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
2304: .&Apache::loncommon::start_data_table()
2305: .&Apache::loncommon::start_data_table_header_row()
2306: .'<th>'.&mt('Download').'</th>'
2307: .'<th>'.&mt('Creation Date').'</th>'
2308: .'<th>'.&mt('File Size (Bytes)').'</th>'
2309: .&Apache::loncommon::end_data_table_header_row()
2310: .$pdf_result
2311: .&Apache::loncommon::end_data_table();
2312: }
2313: return $output;
2314: }
2315:
2316: #
2317: # Retrieve the hash of page breaks.
2318: #
2319: # Inputs:
2320: # helper - reference to helper object.
2321: # Outputs
2322: # A reference to a page break hash.
2323: #
2324: #
2325: # use Data::Dumper;
2326: # sub dump_helper_vars {
2327: # my ($helper) = @_;
2328: # my $helpervars = Dumper($helper->{'VARS'});
2329: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
2330: #}
2331:
2332: sub get_page_breaks {
2333: my ($helper) = @_;
2334: my %page_breaks;
2335:
2336: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
2337: $page_breaks{$break} = 1;
2338: }
2339: return %page_breaks;
2340: }
2341: #
2342: # Returns text to insert for any extra vskip prior to the resource.
2343: # Parameters:
2344: # helper - Reference to the helper object driving the printout.
2345: # resource - Identifies the resource about to be printed.
2346: #
2347: # This is done as follows:
2348: # POSSIBLE_RESOURCES has the list of possible resources.
2349: # EXTRASPACE has the list of extra space values.
2350: # EXTRASPACE_UNITS is the set of resources for which the units are
2351: # mm. All others are 'in'.
2352: #
2353: # The resource is found in the POSSIBLE_RESOURCES to get the index
2354: # of the EXTRASPACE value.
2355: #
2356: # In order to speed this up for lengthy printouts, the first time,
2357: # POSSIBLE_RESOURCES is turned into a look up hash and
2358: # EXTRASPACE is turned into an array.
2359: #
2360:
2361:
2362: my %possible_resources;
2363: my %extraspace_mm;
2364: my @extraspace;
2365: my $skips_loaded = 0;
2366:
2367: # Function to load the skips hash and array
2368:
2369: sub load_skips {
2370:
2371: my ($helper) = @_;
2372:
2373: # If this is the first time, unrap the resources and extra spaces:
2374:
2375: if (!$skips_loaded) {
2376: @extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
2377: my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
2378: my $i = 0;
2379: foreach my $resource (@resource_list) {
2380: $possible_resources{$resource} = $i;
2381: $i++;
2382: }
2383: foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
2384: $extraspace_mm{$mm_resource} = 1;
2385: }
2386: $skips_loaded = 1;
2387: }
2388: }
2389:
2390: sub get_extra_vspaces {
2391: my ($helper, $resource) = @_;
2392:
2393: &load_skips($helper);
2394:
2395: # Lookup the resource in the possible resources hash.. that is the index
2396: # into the extraspace array that gives us either an empty string or
2397: # the number of mm to skip:
2398:
2399: my $index = $possible_resources{$resource};
2400: my $skip = $extraspace[$index];
2401:
2402: my $result = '';
2403: if ($skip ne '') {
2404: my $units = 'in';
2405: if (defined($extraspace_mm{$resource})) {
2406: $units = 'mm';
2407: }
2408: $result = '\vskip '.$skip.' '.$units;
2409: }
2410:
2411:
2412: return $result;
2413:
2414:
2415: }
2416:
2417: #
2418: # The resource chooser part of the helper needs more than just
2419: # the value of the extraspaces var to recover the value into a text
2420: # field option. This sub produces the required format for the saved var:
2421: # specifically
2422: # ||| separated fields of the form resourcename=value
2423: #
2424: # Parameters:
2425: # $helper - Refers to the helper we are configuring
2426: # Implicit input:
2427: # $helper->{'VARS'}->{'EXTRASPACE'} - the spaces helper var has the text field
2428: # value.
2429: # $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
2430: # $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} - has the list of resources. |||
2431: # separated of course.
2432: # Implicit outputs:
2433: # $env{'form.extraspace'}
2434: # $env{'form.extraspace_units'}
2435: #
2436: sub set_form_extraspace {
2437: my ($helper) = @_;
2438:
2439: # the most convenient way to do this is to drive from the skips arrays/hash.
2440: # may not be the fastest, but this is once per print request so it's not so
2441: # speed critical:
2442:
2443: &load_skips($helper);
2444:
2445: my $result = '';
2446:
2447: foreach my $resource (keys(%possible_resources)) {
2448: my $vskip = $extraspace[$possible_resources{$resource}];
2449: $result .= $resource .'=' . $vskip . '|||';
2450: }
2451:
2452: $env{'form.extraspace'} = $result;
2453: $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
2454: return $result;
2455:
2456: }
2457:
2458: # Output a sequence (recursively if neeed)
2459: # from construction space.
2460: # Parameters:
2461: # url = URL of the sequence to print.
2462: # helper - Reference to the helper hash.
2463: # form - Copy of the format hash.
2464: # LaTeXWidth
2465: # Returns:
2466: # Text to add to the printout.
2467: # NOTE if the first element of the outermost sequence
2468: # is itself a sequence, the outermost caller may need to
2469: # prefix the latex with the page headers stuff.
2470: #
2471: sub print_construction_sequence {
2472: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
2473:
2474: my $result;
2475: my $rndseed=time;
2476: if ($helper->{'VARS'}->{'curseed'}) {
2477: $rndseed=$helper->{'VARS'}->{'curseed'};
2478: }
2479: my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL));
2480:
2481: #
2482: # These make this all support recursing for subsequences.
2483: #
2484: my @order = @LONCAPA::map::order;
2485: my @resources = @LONCAPA::map::resources;
2486:
2487: for (my $member=0;$member<=$#order;$member++) {
2488: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
2489: my $urlp=$2;
2490: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2491: my $texversion='';
2492: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2493: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2494: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2495: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2496: $form{'rndseed'}=$rndseed;
2497: $resources_printed .=$urlp.':';
2498: $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2499: }
2500: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2501: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
2502: ($urlp=~/$LONCAPA::assess_page_re/)) {
2503: # Don't permanently modify %$form...
2504: my %answerform = %form;
2505: $answerform{'grade_target'}='answer';
2506: $answerform{'answer_output_mode'}='tex';
2507: $answerform{'rndseed'}=$rndseed;
2508: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2509: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
2510: $resources_printed .= $urlp.':';
2511: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2512: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2513: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2514: } else {
2515: # If necessary, encapsulate answer in minipage:
2516:
2517: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2518: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2519: $title = &Apache::lonxml::latex_special_symbols($title);
2520: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2521: $body.=&path_to_problem($urlp,$LaTeXwidth);
2522: $body.='\vskip 1 mm '.$answer.'\end{document}';
2523: $body = &encapsulate_minipage($body);
2524: $texversion.=$body;
2525: }
2526: }
2527: $texversion = &latex_header_footer_remove($texversion);
2528:
2529: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2530: $texversion=&IndexCreation($texversion,$urlp);
2531: }
2532: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2533: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
2534: }
2535: $result.=$texversion;
2536:
2537: } elsif ($urlp=~/\.(sequence|page)$/) {
2538:
2539: # header:
2540:
2541: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
2542:
2543: # IF sequence, recurse:
2544:
2545: if ($urlp =~ /\.sequence$/) {
2546: $result .= &print_construction_sequence($urlp,
2547: $helper, %form,
2548: $LaTeXwidth);
2549: }
2550: }
2551: elsif ($urlp =~ /\.pdf$/i) {
2552: my $texversion;
2553: if ($member != 0) {
2554: $texversion .= '\cleardoublepage';
2555: }
2556:
2557: $texversion .= &include_pdf($urlp);
2558: $texversion = &latex_header_footer_remove($texversion);
2559: if ($member != $#order) {
2560: $texversion .= '\\ \cleardoublepage';
2561: }
2562:
2563: $result .= $texversion;
2564: }
2565: }
2566: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
2567: return $result;
2568: }
2569:
2570: #
2571: # Top level for generating print output.
2572: #
2573: # May call print_resources if multiple resources will be printed.
2574: #
2575: # The main driver is $selectionmade which reflects the type of print out
2576: # requested:
2577: # Value Print type:
2578: # 1 Print resource that's being looked at.
2579: # 2 Print problems in a map or in a page.
2580: # 3 Print pages in a map or resources in a page.
2581: # 4 Print all problems or all resources.
2582: # 5 Print problems for seleted students.
2583: # 6 Print selected problems from a folder.
2584: # 7 Print print selected resources from some scope.
2585: # 8 Print resources for selected students.
2586: #
2587: #BZ 5209
2588: # 2 map_incomplete_problems_seq Print incomplete problems from the current
2589: # folder in student context.
2590: # 5 map_incomplete_problems_people_seq Print incomplete problems from the
2591: # current folder in privileged context.
2592: # 5 incomplete_problems_selpeople_course Print incomplete problems for
2593: # selected people from the entire course.
2594: #
2595: # Item 101 has much the same processing as 8,
2596: #
2597: # Differences: Item 101, 102 require per-student filtering of the resource
2598: # set so that only the incomplete resources are printed.
2599: # For item 100, filtering was done at the helper level.
2600:
2601: sub output_data {
2602: my ($r,$helper,$rparmhash) = @_;
2603: my %parmhash = %$rparmhash;
2604: $ssi_error = 0; # This will be set nonzero by failing ssi's.
2605: $resources_printed = '';
2606: $font_size = $helper->{'VARS'}->{'fontsize'};
2607: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
2608: my $do_postprocessing = 1;
2609: my $js = <<ENDPART;
2610: <script type="text/javascript">
2611: var editbrowser;
2612: function openbrowser(formname,elementname,only,omit) {
2613: var url = '/res/?';
2614: if (editbrowser == null) {
2615: url += 'launch=1&';
2616: }
2617: url += 'catalogmode=interactive&';
2618: url += 'mode=parmset&';
2619: url += 'form=' + formname + '&';
2620: if (only != null) {
2621: url += 'only=' + only + '&';
2622: }
2623: if (omit != null) {
2624: url += 'omit=' + omit + '&';
2625: }
2626: url += 'element=' + elementname + '';
2627: var title = 'Browser';
2628: var options = 'scrollbars=1,resizable=1,menubar=0';
2629: options += ',width=700,height=600';
2630: editbrowser = open(url,title,options,'1');
2631: editbrowser.focus();
2632: }
2633: </script>
2634: ENDPART
2635:
2636:
2637: # Breadcrumbs
2638: #FIXME: Choose better/different breadcrumbs?!? Links?
2639: my $brcrum = [{'href' => '',
2640: 'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
2641: {'href' => '',
2642: 'text' => 'Preparing Printout'}];
2643:
2644: my $start_page = &Apache::loncommon::start_page('Preparing Printout',
2645: $js,
2646: {'bread_crumbs' => $brcrum,});
2647: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
2648:
2649: $r->print($start_page."\n<p>\n$msg\n</p>\n");
2650:
2651: # fetch the pagebreaks and store them in the course environment
2652: # The page breaks will be pulled into the hash %page_breaks which is
2653: # indexed by symb and contains 1's for each break.
2654:
2655: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
2656: &set_form_extraspace($helper);
2657: $env{'form.lastprinttype'} = $print_type;
2658: &Apache::loncommon::store_course_settings('print',
2659: {'pagebreaks' => 'scalar',
2660: 'extraspace' => 'scalar',
2661: 'extraspace_units' => 'scalar',
2662: 'lastprinttype' => 'scalar'});
2663: my %page_breaks = &get_page_breaks($helper);
2664:
2665: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2666: my ($result,$selectionmade) = ('','');
2667: my $number_of_columns = 1; #used only for pages to determine the width of the cell
2668: my @temporary_array=split /\|/,$format_from_helper;
2669: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2670:
2671: $laystyle = &map_laystyle($laystyle);
2672: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
2673: my $assignment = $env{'form.assignment'};
2674: my $LaTeXwidth=&recalcto_mm($textwidth);
2675: my @print_array=();
2676: my @student_names=();
2677:
2678:
2679: # Common settings for the %form has:
2680: # In some cases these settings get overriddent by specific cases, but the
2681: # settings are common enough to make it worthwhile factoring them out
2682: # here.
2683: #
2684: my %form;
2685: $form{'grade_target'} = 'tex';
2686: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2687: $form{'pdfFormFields'} = $pdfFormFields;
2688:
2689: # If form.showallfoils is set, then request all foils be shown:
2690: # privilege will be enforced both by not allowing the
2691: # check box selecting this option to be presnt unless it's ok,
2692: # and by lonresponse's priv. check.
2693: # The if is here because lonresponse.pm only cares that
2694: # showallfoils is defined, not what the value is.
2695:
2696: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
2697: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2698: }
2699:
2700: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2701: &Apache::lonnet::appenv({'construct.style' =>
2702: $helper->{'VARS'}->{'style_file'}});
2703: } elsif ($env{'construct.style'}) {
2704: &Apache::lonnet::delenv('construct.style');
2705: }
2706:
2707: if ($print_type eq 'current_document') {
2708: #-- single document - problem, page, html, xml, ...
2709: my ($currentURL,$cleanURL);
2710:
2711: if ($helper->{'VARS'}->{'construction'} ne '1') {
2712: #prints published resource
2713: $currentURL=$helper->{'VARS'}->{'postdata'};
2714: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
2715: } else {
2716:
2717: #prints resource from the construction space
2718: $currentURL=$helper->{'VARS'}->{'filename'};
2719: $cleanURL=$currentURL;
2720: }
2721: $selectionmade = 1;
2722:
2723: if ($cleanURL!~m|^/adm/|
2724: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2725: my $rndseed=time;
2726: my $texversion='';
2727: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2728: my %moreenv;
2729: $moreenv{'request.filename'}=$cleanURL;
2730: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2731: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2732: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2733: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2734: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2735: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2736: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2737: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2738: $form{'problem_split'}='yes';
2739: }
2740: if ($helper->{'VARS'}->{'curseed'}) {
2741: $rndseed=$helper->{'VARS'}->{'curseed'};
2742: }
2743: $form{'rndseed'}=$rndseed;
2744: &Apache::lonnet::appenv(\%moreenv);
2745:
2746: &Apache::lonxml::clear_problem_counter();
2747:
2748: $resources_printed .= $currentURL.':';
2749: $texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2750:
2751: # Add annotations if required:
2752:
2753: &Apache::lonxml::clear_problem_counter();
2754:
2755: &Apache::lonnet::delenv('request.filename');
2756: }
2757: # current document with answers.. no need to encap in minipage
2758: # since there's only one answer.
2759:
2760: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2761: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2762:
2763: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2764: $form{'grade_target'}='answer';
2765: $form{'answer_output_mode'}='tex';
2766: $form{'rndseed'}=$rndseed;
2767: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2768: $form{'problemtype'}='exam';
2769: }
2770: $resources_printed .= $currentURL.':';
2771: my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2772:
2773:
2774: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2775: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2776: } else {
2777: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2778: if ($helper->{'VARS'}->{'construction'} ne '1') {
2779: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2780: $title = &Apache::lonxml::latex_special_symbols($title);
2781: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2782: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2783: } else {
2784: $texversion.='\vskip 0 mm \noindent\textbf{'.
2785: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
2786:
2787: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2788: }
2789: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2790: }
2791:
2792:
2793:
2794:
2795:
2796: }
2797: # Print annotations.
2798:
2799:
2800: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2801: my $annotation .= &annotate($currentURL);
2802: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
2803: }
2804:
2805:
2806: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2807: $texversion=&IndexCreation($texversion,$currentURL);
2808: }
2809: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2810: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2811:
2812: }
2813: $result .= $texversion;
2814: if ($currentURL=~m/\.page\s*$/) {
2815: ($result,$number_of_columns) = &page_cleanup($result);
2816: }
2817: } elsif ($cleanURL!~m|^/adm/|
2818: && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
2819: $result .= &print_construction_sequence($currentURL, $helper, %form,
2820: $LaTeXwidth);
2821: $result .= '\end{document}';
2822: if (!($result =~ /\\begin\{document\}/)) {
2823: $result = &print_latex_header() . $result;
2824: }
2825: # End construction space sequence.
2826: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
2827: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2828: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
2829: $resources_printed .= $currentURL.':';
2830: my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
2831: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2832: my $annotation = &annotate($currentURL);
2833: $texversion =~ s/(\\end{document})/$annotation$1/;
2834: }
2835: $result .= $texversion;
2836: } elsif ($cleanURL =~/\.tex$/) {
2837: # For this sort of print of a single LaTeX file,
2838: # We can just print the LaTeX file as it is uninterpreted in any way:
2839: #
2840:
2841: $result = &fetch_raw_resource($currentURL);
2842: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2843: my $annotation = &annotate($currentURL);
2844: $result =~ s/(\\end{document})/$annotation$1/;
2845: }
2846:
2847: $do_postprocessing = 0; # Don't massage the result.
2848:
2849: } elsif ($cleanURL =~ /\.pdf$/i) {
2850: $result .= &include_pdf($cleanURL);
2851: $result .= '\end{document}';
2852: } elsif ($cleanURL =~ /\.page$/i) { # Print page in non construction space contexts.
2853:
2854: # Determine the set of resources in the map of the page:
2855:
2856: my $navmap = Apache::lonnavmaps::navmap->new();
2857: my @page_resources = $navmap->retrieveResources($cleanURL);
2858: $result .= &print_page_in_course($helper, $rparmhash,
2859: $cleanURL, \@page_resources);
2860:
2861:
2862: } else {
2863: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
2864: $helper->{'VARS'}->{'symb'});
2865: }
2866: } elsif (($print_type eq 'map_problems') or
2867: ($print_type eq 'map_problems_in_page') or
2868: ($print_type eq 'map_resources_in_page') or
2869: ($print_type eq 'map_problems_pages') or
2870: ($print_type eq 'all_problems') or
2871: ($print_type eq 'all_resources') or # BUGBUG
2872: ($print_type eq 'select_sequences') or
2873: ($print_type eq 'map_incomplete_problems_seq')
2874: ) {
2875:
2876:
2877: #-- produce an output string
2878: if (($print_type eq 'map_problems') or
2879: ($print_type eq 'map_incomplete_problems_seq') or
2880: ($print_type eq 'map_problems_in_page') ) {
2881: $selectionmade = 2;
2882: } elsif (($print_type eq 'map_problems_pages') or
2883: ($print_type eq 'map_resources_in_page'))
2884: {
2885: $selectionmade = 3;
2886: } elsif (($print_type eq 'all_problems')
2887: ) {
2888: $selectionmade = 4;
2889: } elsif ($print_type eq 'all_resources') { #BUGBUG
2890: $selectionmade = 4;
2891: } elsif ($print_type eq 'select_sequences') {
2892: $selectionmade = 7;
2893: }
2894:
2895: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2896: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2897: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2898: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2899: $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2900: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2901: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
2902: $form{'problem_split'}='yes';
2903: }
2904: my $flag_latex_header_remove = 'NO';
2905: my $flag_page_in_sequence = 'NO';
2906: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
2907: my $prevassignment='';
2908:
2909: &Apache::lonxml::clear_problem_counter();
2910:
2911: my $pbreakresources = keys %page_breaks;
2912: for (my $i=0;$i<=$#master_seq;$i++) {
2913:
2914: &Apache::lonenc::reset_enc();
2915:
2916:
2917: # Note due to document structure, not allowed to put \newpage
2918: # prior to the first resource
2919:
2920: if (defined $page_breaks{$master_seq[$i]}) {
2921: if($i != 0) {
2922: $result.="\\newpage\n";
2923: }
2924: }
2925: $result .= &get_extra_vspaces($helper, $master_seq[$i]);
2926: my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
2927: $urlp=&Apache::lonnet::clutter($urlp);
2928: $form{'symb'}=$master_seq[$i];
2929:
2930: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
2931:
2932: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
2933: if ($i==0) {$prevassignment=$assignment;}
2934: my $texversion='';
2935: if ($urlp!~m|^/adm/|
2936: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
2937: $resources_printed .= $urlp.':';
2938: &Apache::lonxml::remember_problem_counter();
2939: if ($flag_latex_header_remove eq 'NO') {
2940: $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); # RF
2941: unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
2942: (($i==0) &&
2943: (($urlp=~/\.page$/) ||
2944: ($print_type eq 'map_problems_in_page') ||
2945: ($print_type eq 'map_resources_in_page')))) {
2946: $flag_latex_header_remove = 'YES';
2947: }
2948: }
2949: $texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2950: if ($urlp=~/\.page$/) {
2951: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
2952: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
2953: $texversion =~ s/\\end{document}\d*/\\end{document}/;
2954: $flag_page_in_sequence = 'YES';
2955: }
2956:
2957: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2958: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2959: # Don't permanently pervert the %form hash
2960: my %answerform = %form;
2961: $answerform{'grade_target'}='answer';
2962: $answerform{'answer_output_mode'}='tex';
2963: $resources_printed .= $urlp.':';
2964:
2965: &Apache::lonxml::restore_problem_counter();
2966: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2967: if ($urlp =~ /\.page$/) {
2968: $answer =~ s/\\end{document}(\d*)$//;
2969: }
2970: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2971: if ($urlp =~ /\.page$/) {
2972: my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
2973: my $lastprob = pop(@probs);
2974: $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
2975: $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
2976: } else {
2977: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2978: }
2979: } else {
2980: if ($urlp=~/$LONCAPA::assess_page_re/) {
2981: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2982: # $texversion =~ s/\\begin{document}//; # FIXME
2983: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
2984: $title = &Apache::lonxml::latex_special_symbols($title);
2985: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2986: $body .= &path_to_problem ($urlp,$LaTeXwidth);
2987: $body .='\vskip 1 mm '.$answer;
2988: $body = &encapsulate_minipage($body);
2989: $texversion .= $body;
2990: } else {
2991: $texversion='';
2992: }
2993: }
2994:
2995: }
2996: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2997: my $annotation .= &annotate($urlp);
2998: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
2999: }
3000:
3001: if ($flag_latex_header_remove ne 'NO') {
3002: $texversion = &latex_header_footer_remove($texversion);
3003: } else {
3004: $texversion =~ s/\\end{document}//;
3005: }
3006: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3007: $texversion=&IndexCreation($texversion,$urlp);
3008: }
3009: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
3010: my $name = &get_name();
3011: my $courseidinfo = &get_course();
3012: $prevassignment=$assignment;
3013: my $header_text = $parmhash{'print_header_format'};
3014: $header_text = &format_page_header($textwidth, $header_text,
3015: $assignment,
3016: $courseidinfo,
3017: $name);
3018:
3019: if ($numberofcolumns eq '1') {
3020: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
3021: } else {
3022: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
3023: }
3024: }
3025: $result .= $texversion;
3026: $flag_latex_header_remove = 'YES';
3027: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
3028: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3029: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
3030: $resources_printed .= $urlp.':';
3031: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
3032: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3033: my $annotation = &annotate($urlp);
3034: $texversion =~ s/(\\end{document)/$annotation$1/;
3035: }
3036:
3037: if ($flag_latex_header_remove ne 'NO') {
3038: $texversion = &latex_header_footer_remove($texversion);
3039: } else {
3040: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
3041: }
3042: $result .= $texversion;
3043: $flag_latex_header_remove = 'YES';
3044: } elsif ($urlp=~ /\.pdf$/i) {
3045: if ($i > 0) {
3046: $result .= '\cleardoublepage';
3047: }
3048: my $texfrompdf = &include_pdf($urlp);
3049: if ($flag_latex_header_remove ne 'NO') {
3050: $texfrompdf = &latex_header_footer_remove($texfrompdf);
3051: }
3052: $result .= $texfrompdf;
3053: if ($i != $#master_seq) {
3054: if ($numberofcolumns eq '1') {
3055: $result .= '\newpage';
3056: } else {
3057: # the \\'s seem to be needed to let LaTeX know there's something
3058: # on the page since LaTeX seems to not like to clear an empty page.
3059: #
3060: $result .= '\\ \cleardoublepage';
3061: }
3062: }
3063: $flag_latex_header_remove = 'YES';
3064:
3065: } else {
3066: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
3067: $master_seq[$i]);
3068: if ($flag_latex_header_remove ne 'NO') {
3069: $texversion = &latex_header_footer_remove($texversion);
3070: } else {
3071: $texversion =~ s/\\end{document}//;
3072: }
3073: $result .= $texversion;
3074: $flag_latex_header_remove = 'YES';
3075: }
3076: if (&Apache::loncommon::connection_aborted($r)) {
3077: last;
3078: }
3079: }
3080: &Apache::lonxml::clear_problem_counter();
3081: if ($flag_page_in_sequence eq 'YES') {
3082: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
3083: }
3084: $result .= '\end{document}';
3085: } elsif (($print_type eq 'problems_for_students') ||
3086: ($print_type eq 'problems_for_students_from_page') ||
3087: ($print_type eq 'all_problems_students') ||
3088: ($print_type eq 'resources_for_students') ||
3089: ($print_type eq 'incomplete_problems_selpeople_course') ||
3090: ($print_type eq 'map_incomplete_problems_people_seq')){
3091:
3092:
3093: #-- prints assignments for whole class or for selected students
3094: my $type;
3095: if (($print_type eq 'problems_for_students') ||
3096: ($print_type eq 'problems_for_students_from_page') ||
3097: ($print_type eq 'all_problems_students') ||
3098: ($print_type eq 'incomplete_problems_selpeople_course') ||
3099: ($print_type eq 'map_incomplete_problems_people_seq')) {
3100: $selectionmade=5;
3101: $type='problems';
3102: } elsif ($print_type eq 'resources_for_students') {
3103: $selectionmade=8;
3104: $type='resources';
3105: }
3106: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
3107: # The normal sort order is by section then by students within the
3108: # section. If the helper var student_sort is 1, then the user has elected
3109: # to override this and output the students by name.
3110: # Each element of the students array is of the form:
3111: # username:domain:section:last, first:status
3112: #
3113: # Note that student sort is not compatible with printing
3114: # 1 section per pdf...so that setting overrides.
3115: #
3116: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
3117: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
3118: @students = sort compare_names @students;
3119: }
3120: &adjust_number_to_print($helper);
3121:
3122: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
3123: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
3124: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
3125: }
3126: # If we are splitting on section boundaries, we need
3127: # to remember that in split_on_sections and
3128: # print all of the students in the list.
3129: #
3130: my $split_on_sections = 0;
3131: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
3132: $split_on_sections = 1;
3133: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
3134: }
3135: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3136:
3137: #loop over students
3138:
3139: my $flag_latex_header_remove = 'NO';
3140: my %moreenv;
3141: $moreenv{'instructor_comments'}='hide';
3142: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
3143: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
3144: $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
3145: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3146: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
3147: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
3148: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
3149: $moreenv{'problem_split'}='yes';
3150: }
3151: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1);
3152: my $student_counter=-1;
3153: my $i = 0;
3154: my $last_section = (split(/:/,$students[0]))[2];
3155: foreach my $person (@students) {
3156: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
3157: if (-e $duefile) {
3158: my $temp_file = Apache::File->new('>>'.$duefile);
3159: print $temp_file "1969\n";
3160: }
3161: $student_counter++;
3162: if ($split_on_sections) {
3163: my $this_section = (split(/:/,$person))[2];
3164: if ($this_section ne $last_section) {
3165: $i++;
3166: $last_section = $this_section;
3167: }
3168: } else {
3169: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
3170: }
3171: my $actual_seq = master_seq_to_person_seq($helper, \@master_seq, $person);
3172: my ($output,$fullname, $printed)=&print_resources($r,$helper,
3173: $person,$type,
3174: \%moreenv, $actual_seq,
3175: $flag_latex_header_remove,
3176: $LaTeXwidth);
3177: $resources_printed .= ":";
3178: $print_array[$i].=$output;
3179: $student_names[$i].=$person.':'.$fullname.'_END_';
3180: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
3181: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
3182: $flag_latex_header_remove = 'YES';
3183: if (&Apache::loncommon::connection_aborted($r)) { last; }
3184: }
3185: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3186: $result .= $print_array[0].' \end{document}';
3187: } elsif (($print_type eq 'problems_for_anon') ||
3188: ($print_type eq 'problems_for_anon_page') ||
3189: ($print_type eq 'resources_for_anon') ) {
3190: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
3191: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
3192: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
3193: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
3194: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
3195: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
3196: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
3197:
3198: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
3199: my @lines = &Apache::grades::get_scantronformat_file();
3200: my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
3201: foreach my $line (@lines) {
3202: chomp($line);
3203: my ($name,$type,$length,$bubbles_per_item) =
3204: (split(/:/,$line))[0,2,4,17];
3205: if ($name eq $code_option) {
3206: $code_length=$length;
3207: if ($type eq 'number') { $code_type = 'number'; }
3208: chomp($bubbles_per_item);
3209: if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
3210: $bubbles_per_row = $bubbles_per_item;
3211: }
3212: }
3213: }
3214: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
3215: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3216: $moreenv{'instructor_comments'}='hide';
3217: $moreenv{'bubbles_per_row'} = $bubbles_per_row;
3218: my $seed=time+($$<<16)+($$);
3219: my @allcodes;
3220: if ($old_name) {
3221: my %result=&Apache::lonnet::get('CODEs',
3222: [$old_name,"type\0$old_name"],
3223: $cdom,$cnum);
3224: $code_type=$result{"type\0$old_name"};
3225: @allcodes=split(',',$result{$old_name});
3226: $num_todo=scalar(@allcodes);
3227: } elsif ($selected_code) { # Selection value is always numeric.
3228: $num_todo = 1;
3229: @allcodes = ($selected_code);
3230: } elsif ($single_code) {
3231:
3232: $num_todo = 1; # Unconditionally one code to do.
3233: # If an alpha code have to convert to numbers so it can be
3234: # converted back to letters again :-)
3235: #
3236: if ($code_type ne 'number') {
3237: $single_code = &letters_to_num($single_code);
3238: }
3239: @allcodes = ($single_code);
3240: } else {
3241: my %allcodes;
3242: srand($seed);
3243: for (my $i=0;$i<$num_todo;$i++) {
3244: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
3245: $code_type);
3246: }
3247: if ($code_name) {
3248: &Apache::lonnet::put('CODEs',
3249: {
3250: $code_name =>join(',',keys(%allcodes)),
3251: "type\0$code_name" => $code_type
3252: },
3253: $cdom,$cnum);
3254: }
3255: @allcodes=keys(%allcodes);
3256: }
3257: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3258: my ($type) = split(/_/,$print_type);
3259: &adjust_number_to_print($helper);
3260: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
3261: if ($number_per_page eq '0' || $number_per_page eq 'all'
3262: || $number_per_page eq 'section') {
3263: $number_per_page=$num_todo > 0 ? $num_todo : 1;
3264: }
3265: my $flag_latex_header_remove = 'NO';
3266: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo);
3267: my $count=0;
3268: foreach my $code (sort(@allcodes)) {
3269: my $file_num=int($count/$number_per_page);
3270: if ($code_type eq 'number') {
3271: $moreenv{'CODE'}=$code;
3272: } else {
3273: $moreenv{'CODE'}=&num_to_letters($code);
3274: }
3275: my ($output,$fullname, $printed)=
3276: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
3277: \@master_seq,$flag_latex_header_remove,
3278: $LaTeXwidth);
3279: $resources_printed .= ":";
3280: $print_array[$file_num].=$output;
3281: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
3282: &mt('last assignment').' '.$fullname);
3283: $flag_latex_header_remove = 'YES';
3284: $count++;
3285: if (&Apache::loncommon::connection_aborted($r)) { last; }
3286: }
3287: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3288: $result .= $print_array[0].' \end{document}';
3289: } elsif ($print_type eq 'problems_from_directory') {
3290: #prints selected problems from the subdirectory
3291: $selectionmade = 6;
3292: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
3293: @list_of_files=sort @list_of_files;
3294: my $flag_latex_header_remove = 'NO';
3295: my $rndseed=time;
3296: if ($helper->{'VARS'}->{'curseed'}) {
3297: $rndseed=$helper->{'VARS'}->{'curseed'};
3298: }
3299: for (my $i=0;$i<=$#list_of_files;$i++) {
3300:
3301: &Apache::lonenc::reset_enc();
3302:
3303: my $urlp = $list_of_files[$i];
3304: $urlp=~s|//|/|;
3305: if ($urlp=~/\//) {
3306: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
3307: $form{'rndseed'}=$rndseed;
3308: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
3309: $resources_printed .= $urlp.':';
3310: my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
3311: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3312: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3313: # Don't permanently pervert %form:
3314: my %answerform = %form;
3315: $answerform{'grade_target'}='answer';
3316: $answerform{'answer_output_mode'}='tex';
3317: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3318: $answerform{'rndseed'}=$rndseed;
3319: $resources_printed .= $urlp.':';
3320: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
3321: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3322: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
3323: } else {
3324: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3325: if ($helper->{'VARS'}->{'construction'} ne '1') {
3326: $texversion.='\vskip 0 mm \noindent ';
3327: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3328: } else {
3329: $texversion.='\vskip 0 mm \noindent\textbf{'.
3330: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
3331: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3332: }
3333: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
3334: }
3335: }
3336: #this chunk is responsible for printing the path to problem
3337:
3338: my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
3339: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
3340: if ($flag_latex_header_remove ne 'NO') {
3341: $texversion = &latex_header_footer_remove($texversion);
3342: } else {
3343: $texversion =~ s/\\end{document}//;
3344: }
3345: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3346: $texversion=&IndexCreation($texversion,$urlp);
3347: }
3348: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
3349: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
3350:
3351: }
3352: $result .= $texversion;
3353: }
3354: $flag_latex_header_remove = 'YES';
3355: }
3356: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
3357: $result .= '\end{document}';
3358: }
3359: #-------------------------------------------------------- corrections for the different page formats
3360:
3361: # Only post process if that has not been turned off e.g. by a raw latex resource.
3362:
3363: if ($do_postprocessing) {
3364: $result = &page_format_transformation($papersize,
3365: $laystyle,$numberofcolumns,
3366: $print_type,$result,
3367: $helper->{VARS}->{'assignment'},
3368: $helper->{'VARS'}->{'TABLE_CONTENTS'},
3369: $helper->{'VARS'}->{'TABLE_INDEX'},
3370: $selectionmade);
3371: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
3372: $helper->{'VARS'}->{'ANSWER_TYPE'});
3373: #if ($numberofcolumns == 1) {
3374: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
3375: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
3376: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3377: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3378: #}
3379: }
3380:
3381: # Set URLback if this is a construction space print so we can provide
3382: # a link to the resource being edited.
3383: #
3384:
3385: my $URLback=''; #link to original document
3386: if ($helper->{'VARS'}->{'construction'} eq '1') {
3387: $URLback=$helper->{'VARS'}->{'filename'};
3388: }
3389: #
3390: # Final adjustment of the font size:
3391: #
3392:
3393: $result = set_font_size($result);
3394:
3395: # Insert any babel headers required.
3396:
3397: $result = &collect_languages($result);
3398:
3399:
3400: #-- writing .tex file in prtspool
3401: my $temp_file;
3402: my $identifier = &Apache::loncommon::get_cgi_id();
3403: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
3404: if (!($#print_array>0)) {
3405: unless ($temp_file = Apache::File->new('>'.$filename)) {
3406: $r->log_error("Couldn't open $filename for output $!");
3407: return SERVER_ERROR;
3408: }
3409: print $temp_file $result;
3410: my $begin=index($result,'\begin{document}',0);
3411: my $inc=substr($result,0,$begin+16);
3412: } else {
3413: my $begin=index($result,'\begin{document}',0);
3414: my $inc=substr($result,0,$begin+16);
3415: for (my $i=0;$i<=$#print_array;$i++) {
3416: if ($i==0) {
3417: $print_array[$i]=$result;
3418: } else {
3419: $print_array[$i].='\end{document}';
3420: $print_array[$i] =
3421: &latex_corrections($number_of_columns,$print_array[$i],
3422: $selectionmade,
3423: $helper->{'VARS'}->{'ANSWER_TYPE'});
3424:
3425: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
3426: substr($print_array[$i],0,$anobegin)='';
3427: $print_array[$i]=$inc.$print_array[$i];
3428: }
3429: my $temp_file;
3430: my $newfilename=$filename;
3431: my $num=$i+1;
3432: $newfilename =~s/\.tex$//;
3433: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
3434: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
3435: $r->log_error("Couldn't open $newfilename for output $!");
3436: return SERVER_ERROR;
3437: }
3438: print $temp_file $print_array[$i];
3439: }
3440: }
3441: my $student_names='';
3442: if ($#print_array>0) {
3443: for (my $i=0;$i<=$#print_array;$i++) {
3444: $student_names.=$student_names[$i].'_ENDPERSON_';
3445: }
3446: } else {
3447: if ($#student_names>-1) {
3448: $student_names=$student_names[0].'_ENDPERSON_';
3449: } else {
3450: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
3451: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
3452: $env{'request.course.sec'},$fullname).
3453: '_ENDPERSON_'.'_END_';
3454: }
3455: }
3456:
3457: # logic for now is too complex to trace if this has been defined
3458: # yet.
3459: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3460: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3461: &Apache::lonnet::appenv({'cgi.'.$identifier.'.file' => $filename,
3462: 'cgi.'.$identifier.'.layout' => $laystyle,
3463: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
3464: 'cgi.'.$identifier.'.paper' => $papersize,
3465: 'cgi.'.$identifier.'.selection' => $selectionmade,
3466: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
3467: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
3468: 'cgi.'.$identifier.'.role' => $perm{'pav'},
3469: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
3470: 'cgi.'.$identifier.'.studentnames' => $student_names,
3471: 'cgi.'.$identifier.'.backref' => $URLback,});
3472: &Apache::lonnet::appenv({"cgi.$identifier.user" => $env{'user.name'},
3473: "cgi.$identifier.domain" => $env{'user.domain'},
3474: "cgi.$identifier.courseid" => $cnum,
3475: "cgi.$identifier.coursedom" => $cdom,
3476: "cgi.$identifier.resources" => $resources_printed});
3477:
3478: my $end_page = &Apache::loncommon::end_page();
3479: my $continue_text = &mt('Continue');
3480: # If there's been an unrecoverable SSI error, report it to the user
3481: if ($ssi_error) {
3482: my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
3483: $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
3484: &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
3485: '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
3486: '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
3487: &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
3488: '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
3489: &mt('We apologize for the inconvenience.').'</p>'.
3490: '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
3491: } else {
3492: $r->print(<<FINALEND);
3493: <br />
3494: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
3495: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
3496: $end_page
3497: FINALEND
3498: } # endif ssi errors.
3499: }
3500:
3501:
3502: sub get_CODE {
3503: my ($all_codes,$num,$seed,$size,$type)=@_;
3504: my $max='1'.'0'x$size;
3505: my $newcode;
3506: while(1) {
3507: $newcode=sprintf("%0".$size."d",int(rand($max)));
3508: if (!exists($$all_codes{$newcode})) {
3509: $$all_codes{$newcode}=1;
3510: if ($type eq 'number' ) {
3511: return $newcode;
3512: } else {
3513: return &num_to_letters($newcode);
3514: }
3515: }
3516: }
3517: }
3518:
3519: sub print_resources {
3520: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
3521: $LaTeXwidth)=@_;
3522: my $current_output = '';
3523: my $printed = '';
3524: my ($username,$userdomain,$usersection) = split /:/,$person;
3525: my $fullname = &get_name($username,$userdomain);
3526: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
3527:
3528: #
3529: # Figure out if we need to filter the output by
3530: # the incomplete problems for that person
3531: #
3532: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
3533: my $print_incomplete = 0;
3534: if (($print_type eq 'map_incomplete_problems_people_seq') ||
3535: ($print_type eq 'incomplete_problems_selpeople_course')) {
3536: $print_incomplete = 1;
3537: }
3538: if ($person eq 'anonymous') {
3539: $namepostfix .=&mt('Name:')." ";
3540: $fullname = "CODE - ".$moreenv->{'CODE'};
3541: }
3542:
3543: # Fullname may have special latex characters that need \ prefixing:
3544: #
3545:
3546: my $i = 0;
3547: my $actually_printed = 0; # Count of resources printed.
3548: #goes through all resources, checks if they are available for
3549: #current student, and produces output
3550:
3551: &Apache::lonxml::clear_problem_counter();
3552: my %page_breaks = &get_page_breaks($helper);
3553: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
3554: #
3555: # end each student with a
3556: # Special that allows the post processor to even out the page
3557: # counts later. Nasty problem this... it would be really
3558: # nice to put the special in as a postscript comment
3559: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
3560: # The special gets passed the \ and dvips puts it in the output file
3561: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
3562: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
3563: #
3564:
3565: my $syllabus_first = 0;
3566: foreach my $curresline (@{$master_seq}) {
3567: if (defined $page_breaks{$curresline}) {
3568: if($i != 0) {
3569: $current_output.= "\\newpage\n";
3570: }
3571: }
3572: $current_output .= &get_extra_vspaces($helper, $curresline);
3573: $i++;
3574: if ( !($type eq 'problems' &&
3575: ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
3576: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
3577: if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
3578: next;
3579: }
3580: $actually_printed++; # we're going to print one.
3581: if (&Apache::lonnet::allowed('bre',$res_url)) {
3582: if ($res_url!~m|^ext/|
3583: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
3584: $printed .= $curresline.':';
3585: &Apache::lonxml::remember_problem_counter();
3586:
3587: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3588: if ($res_url =~ /\.page$/) {
3589: if ($remove_latex_header eq 'NO') {
3590: if (!($rendered =~ /\\begin\{document\}/)) {
3591: $rendered = &print_latex_header().$rendered;
3592: }
3593: }
3594: ;
3595: if ($remove_latex_header eq 'YES') {
3596: $rendered = &latex_header_footer_remove($rendered);
3597: } else {
3598: $rendered =~ s/\\end{document}\d*//;
3599: }
3600: }
3601: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3602: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3603: # Use a copy of the hash so we don't pervert it on future loop passes.
3604: my %answerenv = %{$moreenv};
3605: $answerenv{'answer_output_mode'}='tex';
3606:
3607:
3608: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3609:
3610: &Apache::lonxml::restore_problem_counter();
3611:
3612: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
3613:
3614: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3615: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
3616: } else {
3617:
3618:
3619: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3620: unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
3621: $header =~ s/\\begin{document}//; #<<<<<
3622: }
3623: my $title = &Apache::lonnet::gettitle($curresline);
3624: $title = &Apache::lonxml::latex_special_symbols($title);
3625: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
3626: $body .=&path_to_problem($res_url,$LaTeXwidth);
3627: $body .='\vskip 1 mm '.$ansrendered;
3628: $body = &encapsulate_minipage($body);
3629: $rendered = $header.$body;
3630: }
3631: }
3632: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3633: my $url = &Apache::lonnet::clutter($res_url);
3634: my $annotation = &annotate($url);
3635: $rendered =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
3636: }
3637: my $junk;
3638: if ($remove_latex_header eq 'YES') {
3639: $rendered = &latex_header_footer_remove($rendered);
3640: } else {
3641: $rendered =~ s/\\end{document}//;
3642: }
3643: $current_output .= $rendered;
3644: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
3645: if ($i == 1) {
3646: $syllabus_first = 1;
3647: }
3648: $printed .= $curresline.':';
3649: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3650: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3651: my $url = &Apache::lonnet::clutter($res_url);
3652: my $annotation = &annotate($url);
3653: $annotation =~ s/(\\end{document})/$annotation$1/;
3654: }
3655: if ($remove_latex_header eq 'YES') {
3656: $rendered = &latex_header_footer_remove($rendered);
3657: } else {
3658: $rendered =~ s/\\end{document}//;
3659: }
3660: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
3661: } elsif($res_url = ~/\.pdf$/) {
3662: my $url = &Apache::lonnet::clutter($res_url);
3663: my $rendered = &include_pdf($url);
3664: if ($remove_latex_header ne 'NO') {
3665: $rendered = &latex_header_footer_remove($rendered);
3666: }
3667: $current_output .= $rendered;
3668: } else {
3669: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
3670: if ($remove_latex_header ne 'NO') {
3671: $rendered = &latex_header_footer_remove($rendered);
3672: } else {
3673: $rendered =~ s/\\end{document}//;
3674: }
3675: $current_output .= $rendered;
3676: }
3677: }
3678: $remove_latex_header = 'YES';
3679: }
3680: if (&Apache::loncommon::connection_aborted($r)) { last; }
3681: }
3682: # If we are printing incomplete it's possible we don't have
3683: # anything to print. The print subsystem is not so good at handling
3684: # that so we're going to generate a stub that says there are no
3685: # incomplete resources for the person.
3686: #
3687:
3688: if ($actually_printed == 0) {
3689: $current_output = &encapsulate_minipage("\\vskip -10mm \nNo incomplete resources\n \\vskip 100 mm { }\n");
3690: if ($remove_latex_header eq "NO") {
3691: $current_output = &print_latex_header() . $current_output;
3692: } else {
3693: $current_output = &latex_header_footer_remove($current_output);
3694: }
3695: }
3696:
3697: if ($syllabus_first) {
3698: $current_output =~ s/\\\\ Last updated:/Last updated:/
3699: }
3700: my $courseidinfo = &get_course();
3701: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
3702: my $header_line =
3703: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3704: $currentassignment, $courseidinfo, $fullname, $usersection);
3705: my $header_start = ($columns_in_format == 1) ? '\lhead'
3706: : '\fancyhead[LO]';
3707: $header_line = $header_start.'{'.$header_line.'}';
3708: if ($current_output=~/\\documentclass/) {
3709: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
3710: } else {
3711: my $blankpages =
3712: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
3713:
3714: $current_output = '\strut\vspace*{-6 mm}\\newline'.
3715: ©right_line().' \newpage '.$blankpages.$end_of_student.
3716: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
3717: $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
3718: }
3719: #
3720: # Close the student bracketing.
3721: #
3722: return ($current_output,$fullname, $printed);
3723:
3724: }
3725:
3726: sub printing_blocked {
3727: my ($r,$blocktext) = @_;
3728: my $title = &mt('Preparing Printout');
3729: &Apache::lonhtmlcommon::clear_breadcrumbs();
3730: &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout',
3731: text=> $title});
3732: my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
3733: &Apache::loncommon::content_type($r,'text/html');
3734: &Apache::loncommon::no_cache($r);
3735: $r->send_http_header;
3736: $r->print(&Apache::loncommon::start_page('Preparing Printout').
3737: $breadcrumbs.
3738: $blocktext.
3739: &Apache::loncommon::end_page());
3740: return;
3741: }
3742:
3743: sub handler {
3744:
3745: my $r = shift;
3746:
3747: if ($env{'request.course.id'}) {
3748: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3749: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3750: my ($blocked,$blocktext) =
3751: &Apache::loncommon::blocking_status('printout',$cnum,$cdom);
3752: if ($blocked) {
3753: my $checkrole = "cm./$cdom/$cnum";
3754: if ($env{'request.course.sec'} ne '') {
3755: $checkrole .= "/$env{'request.course.sec'}";
3756: }
3757: unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
3758: ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
3759: &printing_blocked($r,$blocktext);
3760: return OK;
3761: }
3762: }
3763: }
3764:
3765: &init_perm();
3766:
3767: my $helper = printHelper($r);
3768: if (!ref($helper)) {
3769: return $helper;
3770: }
3771:
3772:
3773: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
3774:
3775:
3776:
3777:
3778: # If a figure conversion queue file exists for this user.domain
3779: # we delete it since it can only be bad (if it were good, printout.pl
3780: # would have deleted it the last time around.
3781:
3782: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
3783: if(-e $conversion_queuefile) {
3784: unlink $conversion_queuefile;
3785: }
3786:
3787:
3788: &output_data($r,$helper,\%parmhash);
3789: return OK;
3790: }
3791:
3792: use Apache::lonhelper;
3793:
3794: sub addMessage {
3795: my $text = shift;
3796: my $paramHash = Apache::lonhelper::getParamHash();
3797: $paramHash->{MESSAGE_TEXT} = $text;
3798: Apache::lonhelper::message->new();
3799: }
3800:
3801:
3802:
3803: sub init_perm {
3804: undef(%perm);
3805: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
3806: if (!$perm{'pav'}) {
3807: $perm{'pav'}=&Apache::lonnet::allowed('pav',
3808: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3809: }
3810: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
3811: if (!$perm{'pfo'}) {
3812: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
3813: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3814: }
3815: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
3816: if (!$perm{'vgr'}) {
3817: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
3818: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3819: }
3820: }
3821:
3822: sub get_randomly_ordered_warning {
3823: my ($helper,$map) = @_;
3824:
3825: my $message;
3826:
3827: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
3828: my $navmap = Apache::lonnavmaps::navmap->new();
3829: if (defined($navmap)) {
3830: my $res = $navmap->getResourceByUrl($map);
3831: if ($res) {
3832: my $func =
3833: sub { return ($_[0]->is_map() && $_[0]->randomorder); };
3834: my @matches = $navmap->retrieveResources($res, $func,1,1,1);
3835:
3836: }
3837: } else {
3838: $message = "Retrieval of information about ordering of resources failed.";
3839: return '<message type="warning">'.$message.'</message>';
3840: }
3841: return;
3842: }
3843:
3844: sub printHelper {
3845: my $r = shift;
3846:
3847: if ($r->header_only) {
3848: if ($env{'browser.mathml'}) {
3849: &Apache::loncommon::content_type($r,'text/xml');
3850: } else {
3851: &Apache::loncommon::content_type($r,'text/html');
3852: }
3853: $r->send_http_header;
3854: return OK;
3855: }
3856:
3857: # Send header, nocache
3858: if ($env{'browser.mathml'}) {
3859: &Apache::loncommon::content_type($r,'text/xml');
3860: } else {
3861: &Apache::loncommon::content_type($r,'text/html');
3862: }
3863: &Apache::loncommon::no_cache($r);
3864: $r->send_http_header;
3865: $r->rflush();
3866:
3867: # Unfortunately, this helper is so complicated we have to
3868: # write it by hand
3869:
3870: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
3871:
3872: my $helper = Apache::lonhelper::helper->new("Printing Helper");
3873: $helper->declareVar('symb');
3874: $helper->declareVar('postdata');
3875: $helper->declareVar('curseed');
3876: $helper->declareVar('probstatus');
3877: $helper->declareVar('filename');
3878: $helper->declareVar('construction');
3879: $helper->declareVar('assignment');
3880: $helper->declareVar('style_file');
3881: $helper->declareVar('student_sort');
3882: $helper->declareVar('FINISHPAGE');
3883: $helper->declareVar('PRINT_TYPE');
3884: $helper->declareVar("showallfoils");
3885: $helper->declareVar("STUDENTS");
3886: $helper->declareVar("EXTRASPACE");
3887:
3888:
3889:
3890:
3891: # The page breaks and extra spaces
3892: # can get loaded initially from the course environment:
3893: # But we only do this in the initial state so that they are allowed to change.
3894: #
3895:
3896:
3897: &Apache::loncommon::restore_course_settings('print',
3898: {'pagebreaks' => 'scalar',
3899: 'extraspace' => 'scalar',
3900: 'extraspace_units' => 'scalar',
3901: 'lastprinttype' => 'scalar'});
3902:
3903: # This will persistently load in the data we want from the
3904: # very first screen.
3905:
3906: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
3907: if (!defined ($env{"form.CURRENT_STATE"})) {
3908:
3909: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
3910: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
3911: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
3912: } else {
3913: my $state = $env{"form.CURRENT_STATE"};
3914: if ($state eq "START") {
3915: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
3916: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
3917: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
3918:
3919: }
3920: }
3921:
3922: }
3923:
3924: # Detect whether we're coming from construction space
3925: if ($env{'form.postdata'}=~m{^/priv}) {
3926: $helper->{VARS}->{'filename'} = $env{'form.postdata'};
3927: $helper->{VARS}->{'construction'} = 1;
3928: } else {
3929: if ($env{'form.postdata'}) {
3930: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
3931: if ( $helper->{VARS}->{'symb'} eq '') {
3932: $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
3933: }
3934: }
3935: if ($env{'form.symb'}) {
3936: $helper->{VARS}->{'symb'} = $env{'form.symb'};
3937: }
3938: if ($env{'form.url'}) {
3939: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
3940: }
3941:
3942: }
3943:
3944: if ($env{'form.symb'}) {
3945: $helper->{VARS}->{'symb'} = $env{'form.symb'};
3946: }
3947: if ($env{'form.url'}) {
3948: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
3949:
3950: }
3951: $helper->{VARS}->{'symb'}=
3952: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
3953: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
3954: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
3955:
3956:
3957: # Extract map
3958: my $symb = $helper->{VARS}->{'symb'};
3959: my ($map, $id, $url);
3960: my $subdir;
3961: my $is_published=0; # True when printing from resource space.
3962: my $res_printable = 1; # By default the current resource is printable.
3963: my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
3964: my $res_printstartdate;
3965: my $res_printenddate;
3966: my $map_open = 0;
3967: my $map_close = 0xffffffff;
3968: my $course_open = 0;
3969: my $course_close = 0xffffffff;
3970:
3971: # Get the resource name from construction space
3972: if ($helper->{VARS}->{'construction'}) {
3973: $resourceTitle = substr($helper->{VARS}->{'filename'},
3974: rindex($helper->{VARS}->{'filename'}, '/')+1);
3975: $subdir = substr($helper->{VARS}->{'filename'},
3976: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
3977: } else {
3978: # From course space:
3979:
3980: if ($symb ne '') {
3981: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
3982: $helper->{VARS}->{'postdata'} =
3983: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
3984: my $navmap = Apache::lonnavmaps::navmap->new();
3985: my $res = $navmap->getBySymb($symb);
3986: $res_printable = $res->resprintable() | $userCanPrint; #printability in course context
3987: ($res_printstartdate, $res_printenddate) = &get_print_dates($res);
3988: ($course_open, $course_close) = &course_print_dates($res);
3989: ($map_open, $map_close) = &map_print_dates($res);
3990:
3991: } else {
3992: # Resource space.
3993:
3994: $url = $helper->{VARS}->{'postdata'};
3995: $is_published=1; # From resource space.
3996: }
3997: $url = &Apache::lonnet::clutter($url);
3998: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
3999: my $postdata = $helper->{VARS}->{'postdata'};
4000: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
4001: }
4002: $subdir = &Apache::lonnet::filelocation("", $url);
4003:
4004:
4005: }
4006: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
4007: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
4008: }
4009:
4010: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4011: $helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
4012: }
4013:
4014: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
4015:
4016: Apache::lonhelper::registerHelperTags();
4017:
4018: # "Delete everything after the last slash."
4019: $subdir =~ s|/[^/]+$||;
4020:
4021: # What can be printed is a very dynamic decision based on
4022: # lots of factors. So we need to dynamically build this list.
4023: # To prevent security leaks, states are only added to the wizard
4024: # if they can be reached, which ensures manipulating the form input
4025: # won't allow anyone to reach states they shouldn't have permission
4026: # to reach.
4027:
4028: # printChoices is tracking the kind of printing the user can
4029: # do, and will be used in a choices construction later.
4030: # In the meantime we will be adding states and elements to
4031: # the helper by hand.
4032: my $printChoices = [];
4033: my $paramHash;
4034:
4035: # If there is a current resource and it is printable
4036: # Give that as a choice.
4037:
4038: if ($resourceTitle && $res_printable) {
4039: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
4040: }
4041:
4042: # Useful filter strings
4043:
4044: my $isPrintable = ' && $res->resprintable()';
4045:
4046: my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
4047: $isProblem .= $isPrintable unless $userCanPrint;
4048: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
4049: my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
4050: $isProblemOrMap .= $isPrintable unless $userCanPrint;
4051: my $isNotMap = '(!$res->is_sequence())';
4052: $isNotMap .= $isPrintable unless $userCanPrint;
4053: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
4054: my $isMap = '$res->is_map()';
4055: $isMap .= $isPrintable unless $userCanPrint;
4056: my $symbFilter = '$res->shown_symb() ';
4057: my $urlValue = '$res->link()';
4058:
4059: $helper->declareVar('SEQUENCE');
4060:
4061: # If we're in a sequence...
4062:
4063: my $start_new_option;
4064: if ($perm{'pav'}) {
4065: $start_new_option =
4066: "<option text='".&mt('Start new page<br />before selected').
4067: "' variable='FINISHPAGE' />".
4068: "<option text='".&mt('Extra space<br />before selected').
4069: "' variable='EXTRASPACE' type='text' />" .
4070: "<option " .
4071: "' variable='POSSIBLE_RESOURCES' type='hidden' />".
4072: "<option text='".&mt('Space units<br />check for mm').
4073: "' variable='EXTRASPACE_UNITS' type='checkbox' />"
4074: ;
4075:
4076:
4077: }
4078:
4079: # If not construction space user can print the components of a page:
4080:
4081: my $page_ispage;
4082: my $page_title;
4083: if (!$helper->{VARS}->{'construction'}) {
4084: my $varspostdata = $helper->{VARS}->{'postdata'};
4085: my $varsassignment = $helper->{VARS}->{'assignment'};
4086: my $page_navmap = Apache::lonnavmaps::navmap->new();
4087: if (defined($page_navmap)) {
4088: my @page_resources = $page_navmap->retrieveResources($url);
4089: if(defined($page_resources[0])) {
4090: $page_ispage = $page_resources[0]->is_page();
4091: $page_title = $page_resources[0]->title();
4092: my $resourcesymb = $page_resources[0]->symb();
4093: my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
4094: if ($page_ispage) {
4095: push @{$printChoices},
4096: [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4097: 'map_problems_in_page',
4098: 'CHOOSE_PROBLEMS_PAGE'];
4099: push @{$printChoices},
4100: [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4101: 'map_resources_in_page',
4102: 'CHOOSE_RESOURCES_PAGE'];
4103: }
4104: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
4105: 'Select Problem(s) to print',
4106: "multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
4107: 'RESOURCES',
4108: 'PAGESIZE',
4109: $url,
4110: $isProblem, '', $symbFilter,
4111: $start_new_option);
4112:
4113:
4114: $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
4115: 'Select Resource(s) to print',
4116: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4117: 'RESOURCES',
4118: 'PAGESIZE',
4119: $url,
4120: $isNotMap, '', $symbFilter,
4121: $start_new_option);
4122:
4123:
4124:
4125:
4126:
4127: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4128:
4129: }
4130: }
4131: }
4132:
4133: if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
4134: $helper->{VARS}->{'postdata'} &&
4135: $helper->{VARS}->{'assignment'}) {
4136:
4137: # BZ 5209 - Print incomplete problems from sequence:
4138: # the exact form of this depends on whether or not we are privileged or a mere
4139: # plebe of s student:
4140:
4141: my $printSelector = 'map_incomplete_problems_seq';
4142: my $nextState = 'CHOOSE_INCOMPLETE_SEQ';
4143: my $textSuffix = '';
4144:
4145: if ($userCanPrint) {
4146: $printSelector = 'map_incomplete_problems_people_seq';
4147: $nextState = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
4148: $textSuffix = ' for selected students';
4149: my $helperStates =
4150: &create_incomplete_folder_selstud_helper($helper, $map);
4151: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4152: } else {
4153: if (&printable($map_open, $map_close)) {
4154: my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student.
4155: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4156: } else {
4157: # TODO: Figure out how to break the news...this folder is not printable.
4158: }
4159: }
4160:
4161: if ($userCanPrint || &printable($map_open, $map_close)) {
4162: push(@{$printChoices},
4163: [&mt('Selected [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
4164: '<b>', '</b>',
4165: '<b><i>'. $sequenceTitle . '</b></i>'),
4166: $printSelector,
4167: $nextState]);
4168: }
4169: # Allow problems from sequence
4170: if ($userCanPrint || &printable($map_open, $map_close)) {
4171: push @{$printChoices},
4172: [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4173: 'map_problems',
4174: 'CHOOSE_PROBLEMS'];
4175: # Allow all resources from sequence
4176: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4177: 'map_problems_pages',
4178: 'CHOOSE_PROBLEMS_HTML'];
4179: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
4180: 'Select Problem(s) to print',
4181: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4182: 'RESOURCES',
4183: 'PAGESIZE',
4184: $map,
4185: ! $isProblem, '',
4186: $symbFilter,
4187: $start_new_option);
4188: $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
4189: 'Select Resource(s) to print',
4190: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4191: 'RESOURCES',
4192: 'PAGESIZE',
4193: $map,
4194: $isNotMap, '',
4195: $symbFilter,
4196: $start_new_option);
4197:
4198: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4199: } else {
4200: # TODO: Figure out how to tell them the folder is not printable.
4201: }
4202: }
4203: # If the user has pfo (print for others) allow them to print all
4204: # problems and resources in the entire course, optionally for selected students
4205: my $post_data = $helper->{VARS}->{'postdata'};
4206:
4207: if ($perm{'pfo'} && !$is_published &&
4208: ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
4209:
4210: # BZ 5209 - incomplete problems from entire course:
4211:
4212: push(@{$printChoices},
4213: [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
4214: 'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
4215: my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
4216:
4217: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4218:
4219: # Selected problems/resources from entire course:
4220:
4221: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
4222: push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
4223: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
4224: my $suffixXml = <<ALL_PROBLEMS;
4225: <state name="STUDENTS1" title="Select People">
4226: <message><b>Select sorting order of printout</b> </message>
4227: <choices variable='student_sort'>
4228: <choice computer='0'>Sort by section then student</choice>
4229: <choice computer='1'>Sort by students across sections.</choice>
4230: </choices>
4231: <message><br /><hr /><br /> </message>
4232: <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
4233: </state>
4234: ALL_PROBLEMS
4235: &Apache::lonxml::xmlparse($r, 'helper',
4236: &generate_resource_chooser('ALL_PROBLEMS',
4237: 'SelectProblem(s) to print',
4238: 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
4239: 'RESOURCES',
4240: 'PAGESIZE',
4241: '',
4242: $isProblemOrMap, $isNotMap,
4243: $symbFilter,
4244: $start_new_option) .
4245: &generate_resource_chooser('ALL_RESOURCES',
4246: 'Select Resource(s) to print',
4247: " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
4248: 'RESOURCES',
4249: 'PAGESIZE',
4250: '',
4251: $isNotMap,'',$symbFilter,
4252: $start_new_option) .
4253: &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
4254: 'Select Problem(s) to print',
4255: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
4256: 'RESOURCES',
4257: 'STUDENTS1',
4258: '',
4259: $isProblemOrMap,'' , $symbFilter,
4260: $start_new_option) .
4261: $suffixXml
4262: );
4263:
4264: if ($helper->{VARS}->{'assignment'}) {
4265:
4266: # If we were looking at a page, allow a selection of problems from the page
4267: # either for selected students or for coded assignments.
4268:
4269: if ($page_ispage) {
4270: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
4271: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4272: 'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
4273: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
4274: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4275: 'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
4276: }
4277: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
4278: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4279: 'problems_for_students', 'CHOOSE_STUDENTS'];
4280: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
4281: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4282: 'problems_for_anon', 'CHOOSE_ANON1'];
4283: }
4284:
4285: my $randomly_ordered_warning =
4286: &get_randomly_ordered_warning($helper, $map);
4287:
4288: # resource_selector will hold a few states that:
4289: # - Allow resources to be selected for printing.
4290: # - Determine pagination between assignments.
4291: # - Determine how many assignments should be bundled into a single PDF.
4292: # TODO:
4293: # Probably good to do things like separate this up into several vars, each
4294: # with one state, and use REGEXPs at inclusion time to set state names
4295: # and next states for better mix and match capability
4296: #
4297: my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
4298: 'Select resources to print',
4299: 'multichoice="1" addstatus="1" closeallpages="1"',
4300: 'RESOURCES',
4301: 'PRINT_FORMATTING',
4302: $map,
4303: $isProblem, '', $symbFilter,
4304: $start_new_option);
4305: $resource_selector .= &generate_format_selector($helper,
4306: 'How should results be printed?',
4307: 'PRINT_FORMATTING').
4308: &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
4309: 'Select Problem(s) to print',
4310: "multichoice='1' addstatus='1' closeallpages ='1'",
4311: 'RESOURCES',
4312: 'PRINT_FORMATTING',
4313: $url,
4314: $isProblem, '', $symbFilter,
4315: $start_new_option);
4316:
4317:
4318: # Generate student choosers.
4319:
4320:
4321:
4322: &Apache::lonxml::xmlparse($r, 'helper',
4323: &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
4324: 'student_sort',
4325: 'STUDENTS',
4326: 'CHOOSE_STUDENTS_PAGE'));
4327: &Apache::lonxml::xmlparse($r, 'helper',
4328: &generate_student_chooser('CHOOSE_STUDENTS',
4329: 'student_sort',
4330: 'STUDENTS',
4331: 'SELECT_PROBLEMS'));
4332: &Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
4333:
4334: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4335: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4336: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
4337: my $namechoice='<choice></choice>';
4338: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
4339: if ($name =~ /^error: 2 /) { next; }
4340: if ($name =~ /^type\0/) { next; }
4341: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
4342: }
4343:
4344:
4345: my %code_values;
4346: my %codes_to_print;
4347: foreach my $key (@names) {
4348: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
4349: foreach my $key (keys(%code_values)) {
4350: $codes_to_print{$key} = 1;
4351: }
4352: }
4353:
4354: my $code_selection;
4355: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
4356: my $choice = $code;
4357: if ($code =~ /^[A-Z]+$/) { # Alpha code
4358: $choice = &letters_to_num($code);
4359: }
4360: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
4361: }
4362: if (%codes_to_print) {
4363: $code_selection .='
4364: <message><b>Choose single CODE from list:</b></message>
4365: <message></td><td></message>
4366: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
4367: <choice></choice>
4368: <exec>
4369: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
4370: </exec>
4371: </dropdown>
4372: <message></td></tr><tr><td></message>
4373: '.$/;
4374:
4375: }
4376:
4377: my @lines = &Apache::grades::get_scantronformat_file();
4378: my $codechoice='';
4379: foreach my $line (@lines) {
4380: my ($name,$description,$code_type,$code_length)=
4381: (split(/:/,$line))[0,1,2,4];
4382: if ($code_length > 0 &&
4383: $code_type =~/^(letter|number|-1)/) {
4384: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
4385: }
4386: }
4387: if ($codechoice eq '') {
4388: $codechoice='<choice computer="default">Default</choice>';
4389: }
4390: my $anon1 = &generate_code_selector($helper,
4391: 'CHOOSE_ANON1',
4392: 'SELECT_PROBLEMS',
4393: $codechoice,
4394: $code_selection,
4395: $namechoice) . $resource_selector;
4396:
4397:
4398: &Apache::lonxml::xmlparse($r, 'helper',$anon1);
4399:
4400: my $anon_page = &generate_code_selector($helper,
4401: 'CHOOSE_ANON1_PAGE',
4402: 'SELECT_PROBLEMS_PAGE',
4403: $codechoice,
4404: $code_selection,
4405: $namechoice) .
4406: &generate_resource_chooser('SELECT_PROBLEMS_PAGE',
4407: 'Select Problem(s) to print',
4408: "multichoice='1' addstatus='1' closeallpages ='1'",
4409: 'RESOURCES',
4410: 'PRINT_FORMATTING',
4411: $url,
4412: $isProblem, '', $symbFilter,
4413: $start_new_option);
4414: &Apache::lonxml::xmlparse($r, 'helper', $anon_page);
4415:
4416:
4417: if ($helper->{VARS}->{'assignment'}) {
4418:
4419: # Assignment printing:
4420:
4421: 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'];
4422: 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'];
4423: }
4424:
4425:
4426: $resource_selector=<<RESOURCE_SELECTOR;
4427: <state name="SELECT_RESOURCES" title="Select Resources">
4428: $randomly_ordered_warning
4429: <nextstate>PRINT_FORMATTING</nextstate>
4430: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
4431: <resource variable="RESOURCES" multichoice="1" addstatus="1"
4432: closeallpages="1">
4433: <filterfunc>return $isNotMap;</filterfunc>
4434: <mapurl>$map</mapurl>
4435: <valuefunc>return $symbFilter;</valuefunc>
4436: $start_new_option
4437: </resource>
4438: </state>
4439: RESOURCE_SELECTOR
4440:
4441: $resource_selector .= &generate_format_selector($helper,
4442: 'Format of the print job',
4443: 'PRINT_FORMATTING');
4444: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
4445: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
4446: <choices variable='student_sort'>
4447: <choice computer='0'>Sort by section then student</choice>
4448: <choice computer='1'>Sort by students across sections.</choice>
4449: </choices>
4450: <message><br /><hr /><br /></message>
4451: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
4452:
4453: </state>
4454: $resource_selector
4455: CHOOSE_STUDENTS1
4456:
4457: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
4458: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
4459: <nextstate>SELECT_RESOURCES</nextstate>
4460: <message><h4>Fill out one of the forms below</h4></message>
4461: <message><br /><hr /> <br /></message>
4462: <message><h3>Generate new CODEd Assignments</h3></message>
4463: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
4464: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
4465: <validator>
4466: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
4467: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4468: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
4469: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4470: return "You need to specify the number of assignments to print";
4471: }
4472: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
4473: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
4474: return 'Specifying number of codes to print and a specific code is not compatible';
4475: }
4476: return undef;
4477: </validator>
4478: </string>
4479: <message></td></tr><tr><td></message>
4480: <message><b>Names to save the CODEs under for later:</b></message>
4481: <message></td><td></message>
4482: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
4483: <message></td></tr><tr><td></message>
4484: <message><b>Bubblesheet type:</b></message>
4485: <message></td><td></message>
4486: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
4487: $codechoice
4488: </dropdown>
4489: <message></td></tr><tr><td></table></message>
4490: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
4491: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
4492: <string variable="SINGLE_CODE" size="10">
4493: <validator>
4494: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
4495: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4496: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4497: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
4498: \$helper->{'VARS'}{'CODE_OPTION'});
4499: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
4500: return 'Specifying a code name is incompatible specifying number of codes.';
4501: } else {
4502: return undef; # Other forces control us.
4503: }
4504: </validator>
4505: </string>
4506: <message></td></tr><tr><td></message>
4507: $code_selection
4508: <message></td></tr></table></message>
4509: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
4510: <message><b>Select saved CODEs:</b></message>
4511: <message></td><td></message>
4512: <dropdown variable="REUSE_OLD_CODES">
4513: $namechoice
4514: </dropdown>
4515: <message></td></tr></table></message>
4516: </state>
4517: $resource_selector
4518: CHOOSE_ANON2
4519: }
4520:
4521: # FIXME: That RE should come from a library somewhere.
4522: if (($perm{'pav'}
4523: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
4524: && (defined($helper->{'VARS'}->{'construction'})
4525: ||
4526: (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
4527: &&
4528: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
4529: ))
4530: && $helper->{VARS}->{'assignment'} eq ""
4531: ) {
4532: my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
4533: 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'];
4534: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
4535: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
4536:
4537: <files variable="FILES" multichoice='1'>
4538: <nextstate>PAGESIZE</nextstate>
4539: <filechoice>return '$subdir';</filechoice>
4540: CHOOSE_FROM_SUBDIR
4541:
4542: # this is broken up because I really want interpolation above,
4543: # and I really DON'T want it below
4544: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
4545: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
4546: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
4547: </filefilter>
4548: </files>
4549: </state>
4550: CHOOSE_FROM_SUBDIR
4551: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4552: }
4553:
4554: # Allow the user to select any sequence in the course, feed it to
4555: # another resource selector for that sequence
4556: if (!$helper->{VARS}->{'construction'} && !$is_published) {
4557: push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
4558: 'select_sequences', 'CHOOSE_SEQUENCE'];
4559: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
4560: #Escape apostrophes and backslashes for Perl
4561: $escapedSequenceName =~ s/\\/\\\\/g;
4562: $escapedSequenceName =~ s/'/\\'/g;
4563: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
4564: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
4565: <message>Select the sequence to print resources from:</message>
4566: <resource variable="SEQUENCE">
4567: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
4568: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
4569: <valuefunc>return $urlValue;</valuefunc>
4570: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
4571: </choicefunc>
4572: </resource>
4573: </state>
4574: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
4575: <message>(mark desired resources then click "next" button) <br /></message>
4576: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
4577: closeallpages="1">
4578: <nextstate>PAGESIZE</nextstate>
4579: <filterfunc>return $isNotMap</filterfunc>
4580: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
4581: <valuefunc>return $symbFilter;</valuefunc>
4582: $start_new_option
4583: </resource>
4584: </state>
4585: CHOOSE_FROM_ANY_SEQUENCE
4586: }
4587:
4588: # Generate the first state, to select which resources get printed.
4589: Apache::lonhelper::state->new("START", "Select Printing Options:");
4590: if (!$res_printable) {
4591: $paramHash = Apache::lonhelper::getParamHash();
4592: $paramHash->{MESSAGE_TEXT} =
4593: &mt('<p><b>Printing for current resource is only possible between [_1] and [_1]</b></p>',
4594: $res_printstartdate, $res_printenddate);
4595: Apache::lonhelper::message->new();
4596: }
4597: $paramHash = Apache::lonhelper::getParamHash();
4598: $paramHash = Apache::lonhelper::getParamHash();
4599: $paramHash->{MESSAGE_TEXT} = "";
4600: Apache::lonhelper::message->new();
4601: $paramHash = Apache::lonhelper::getParamHash();
4602: $paramHash->{'variable'} = 'PRINT_TYPE';
4603: $paramHash->{CHOICES} = $printChoices;
4604: Apache::lonhelper::choices->new();
4605:
4606: my $startedTable = 0; # have we started an HTML table yet? (need
4607: # to close it later)
4608:
4609: if (($perm{'pav'} and $perm{'vgr'}) or
4610: ($helper->{VARS}->{'construction'} eq '1')) {
4611: &addMessage('<br />'
4612: .'<h3>'.&mt('Print Options').'</h3>'
4613: .&Apache::lonhtmlcommon::start_pick_box()
4614: .&Apache::lonhtmlcommon::row_title(
4615: '<label for="ANSWER_TYPE_forminput">'
4616: .&mt('Print Answers')
4617: .'</label>'
4618: )
4619: );
4620: $paramHash = Apache::lonhelper::getParamHash();
4621: $paramHash->{'variable'} = 'ANSWER_TYPE';
4622: $helper->declareVar('ANSWER_TYPE');
4623: $paramHash->{CHOICES} = [
4624: ['Without Answers', 'yes'],
4625: ['With Answers', 'no'],
4626: ['Only Answers', 'only']
4627: ];
4628: Apache::lonhelper::dropdown->new();
4629: &addMessage(&Apache::lonhtmlcommon::row_closure());
4630: $startedTable = 1;
4631:
4632: #
4633: # Select font size.
4634: #
4635:
4636: $helper->declareVar('fontsize');
4637: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
4638: my $xmlfrag = << "FONT_SELECTION";
4639:
4640:
4641: <dropdown variable='fontsize' multichoice='0', allowempty='0'>
4642: <defaultvalue>
4643: return 'normalsize';
4644: </defaultvalue>
4645: <choice computer='tiny'>Tiny</choice>
4646: <choice computer='sub/superscriptsize'>Script Size</choice>
4647: <choice computer='footnotesize'>Footnote Size</choice>
4648: <choice computer='small'>Small</choice>
4649: <choice computer='normalsize'>Normal (default)</choice>
4650: <choice computer='large'>larger than normal</choice>
4651: <choice computer='Large'>Even larger than normal</choice>
4652: <choice computer='LARGE'>Still larger than normal</choice>
4653: <choice computer='huge'>huge font size</choice>
4654: <choice computer='Huge'>Largest possible size</choice>
4655: </dropdown>
4656: FONT_SELECTION
4657: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4658: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4659: }
4660:
4661: if ($perm{'pav'}) {
4662: if (!$startedTable) {
4663: addMessage("<hr width='33%' /><table><tr><td align='right'>".
4664: '<label for="LATEX_TYPE_forminput">'.
4665: &mt('LaTeX mode').
4666: "</label>: </td><td>");
4667: $startedTable = 1;
4668: } else {
4669: &addMessage(&Apache::lonhtmlcommon::row_title(
4670: '<label for="LATEX_TYPE_forminput">'
4671: .&mt('LaTeX mode')
4672: .'</label>'
4673: )
4674: );
4675: }
4676: $paramHash = Apache::lonhelper::getParamHash();
4677: $paramHash->{'variable'} = 'LATEX_TYPE';
4678: $helper->declareVar('LATEX_TYPE');
4679: if ($helper->{VARS}->{'construction'} eq '1') {
4680: $paramHash->{CHOICES} = [
4681: ['standard LaTeX mode', 'standard'],
4682: ['LaTeX batchmode', 'batchmode'], ];
4683: } else {
4684: $paramHash->{CHOICES} = [
4685: ['LaTeX batchmode', 'batchmode'],
4686: ['standard LaTeX mode', 'standard'] ];
4687: }
4688: Apache::lonhelper::dropdown->new();
4689:
4690: &addMessage(&Apache::lonhtmlcommon::row_closure()
4691: .&Apache::lonhtmlcommon::row_title(
4692: '<label for="TABLE_CONTENTS_forminput">'
4693: .&mt('Print Table of Contents')
4694: .'</label>'
4695: )
4696: );
4697: $paramHash = Apache::lonhelper::getParamHash();
4698: $paramHash->{'variable'} = 'TABLE_CONTENTS';
4699: $helper->declareVar('TABLE_CONTENTS');
4700: $paramHash->{CHOICES} = [
4701: ['No', 'no'],
4702: ['Yes', 'yes'] ];
4703: Apache::lonhelper::dropdown->new();
4704: &addMessage(&Apache::lonhtmlcommon::row_closure());
4705:
4706: if (not $helper->{VARS}->{'construction'}) {
4707: &addMessage(&Apache::lonhtmlcommon::row_title(
4708: '<label for="TABLE_INDEX_forminput">'
4709: .&mt('Print Index')
4710: .'</label>'
4711: )
4712: );
4713: $paramHash = Apache::lonhelper::getParamHash();
4714: $paramHash->{'variable'} = 'TABLE_INDEX';
4715: $helper->declareVar('TABLE_INDEX');
4716: $paramHash->{CHOICES} = [
4717: ['No', 'no'],
4718: ['Yes', 'yes'] ];
4719: Apache::lonhelper::dropdown->new();
4720: &addMessage(&Apache::lonhtmlcommon::row_closure());
4721: &addMessage(&Apache::lonhtmlcommon::row_title(
4722: '<label for="PRINT_DISCUSSIONS_forminput">'
4723: .&mt('Print Discussions')
4724: .'</label>'
4725: )
4726: );
4727: $paramHash = Apache::lonhelper::getParamHash();
4728: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
4729: $helper->declareVar('PRINT_DISCUSSIONS');
4730: $paramHash->{CHOICES} = [
4731: ['No', 'no'],
4732: ['Yes', 'yes'] ];
4733: Apache::lonhelper::dropdown->new();
4734: &addMessage(&Apache::lonhtmlcommon::row_closure());
4735:
4736: # Prompt for printing annotations too.
4737:
4738: &addMessage(&Apache::lonhtmlcommon::row_title(
4739: '<label for="PRINT_ANNOTATIONS_forminput">'
4740: .&mt('Print Annotations')
4741: .'</label>'
4742: )
4743: );
4744: $paramHash = Apache::lonhelper::getParamHash();
4745: $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
4746: $helper->declareVar("PRINT_ANNOTATIONS");
4747: $paramHash->{CHOICES} = [
4748: ['No', 'no'],
4749: ['Yes', 'yes']];
4750: Apache::lonhelper::dropdown->new();
4751: &addMessage(&Apache::lonhtmlcommon::row_closure());
4752:
4753: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
4754: $paramHash = Apache::lonhelper::getParamHash();
4755: $paramHash->{'multichoice'} = "true";
4756: $paramHash->{'allowempty'} = "true";
4757: $paramHash->{'variable'} = "showallfoils";
4758: $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
4759: Apache::lonhelper::choices->new();
4760: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4761: }
4762:
4763: if ($helper->{'VARS'}->{'construction'}) {
4764: my $stylevalue='$Apache::lonnet::env{"construct.style"}';
4765: my $randseedtext=&mt("Use random seed");
4766: my $stylefiletext=&mt("Use style file");
4767: my $selectfiletext=&mt("Select style file");
4768:
4769: my $xmlfrag .= '<message>'
4770: .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
4771: .$randseedtext
4772: .'</label>'
4773: )
4774: .'</message>
4775: <string variable="curseed" size="15" maxlength="15">
4776: <defaultvalue>
4777: return '.$helper->{VARS}->{'curseed'}.';
4778: </defaultvalue>'
4779: .'</string>'
4780: .'<message>'
4781: .&Apache::lonhtmlcommon::row_closure()
4782: .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
4783: .$stylefiletext
4784: .'</label>'
4785: )
4786: .'</message>
4787: <string variable="style_file" size="40">
4788: <defaultvalue>
4789: return '.$stylevalue.';
4790: </defaultvalue>
4791: </string><message> '
4792: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
4793: .$selectfiletext.'</a>'
4794: .&Apache::lonhtmlcommon::row_closure()
4795: .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
4796: .'</message>
4797: <choices allowempty="1" multichoice="true" variable="showallfoils">
4798: <choice computer="1"> </choice>
4799: </choices>'
4800: .'<message>'
4801: .&Apache::lonhtmlcommon::row_closure()
4802: .'</message>';
4803: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4804:
4805:
4806: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
4807: #
4808: # Initial value from construction space:
4809: #
4810: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4811: $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value
4812: }
4813: $xmlfrag = << "PROBTYPE";
4814: <dropdown variable="probstatus" multichoice="0" allowempty="0">
4815: <defaultvalue>
4816: return "$helper->{VARS}->{'probstatus'}";
4817: </defaultvalue>
4818: <choice computer="problem">Homework Problem</choice>
4819: <choice computer="exam">Exam Problem</choice>
4820: <choice computer="survey">Survey question</choice>
4821: ,choice computer="anonsurvey"Anonymous survey question</choice>
4822: </dropdown>
4823: PROBTYPE
4824: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4825: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4826:
4827:
4828:
4829: }
4830: }
4831:
4832:
4833:
4834:
4835: if ($startedTable) {
4836: &addMessage(&Apache::lonhtmlcommon::end_pick_box());
4837: }
4838:
4839: Apache::lonprintout::page_format_state->new("FORMAT");
4840:
4841: # Generate the PAGESIZE state which will offer the user the margin
4842: # choices if they select one column
4843: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
4844: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
4845:
4846:
4847: $helper->process();
4848:
4849:
4850: # MANUAL BAILOUT CONDITION:
4851: # If we're in the "final" state, bailout and return to handler
4852: if ($helper->{STATE} eq 'FINAL') {
4853: return $helper;
4854: }
4855:
4856: my $footer;
4857: if ($helper->{STATE} eq 'START') {
4858: my $prtspool=$r->dir_config('lonPrtDir');
4859: $footer = &recently_generated($prtspool);
4860: }
4861: $r->print($helper->display($footer));
4862: &Apache::lonhelper::unregisterHelperTags();
4863:
4864: return OK;
4865: }
4866:
4867:
4868: 1;
4869:
4870: package Apache::lonprintout::page_format_state;
4871:
4872: =pod
4873:
4874: =head1 Helper element: page_format_state
4875:
4876: See lonhelper.pm documentation for discussion of the helper framework.
4877:
4878: Apache::lonprintout::page_format_state is an element that gives the
4879: user an opportunity to select the page layout they wish to print
4880: with: Number of columns, portrait/landscape, and paper size. If you
4881: want to change the paper size choices, change the @paperSize array
4882: contents in this package.
4883:
4884: page_format_state is always directly invoked in lonprintout.pm, so there
4885: is no tag interface. You actually pass parameters to the constructor.
4886:
4887: =over 4
4888:
4889: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
4890:
4891: =back
4892:
4893: =cut
4894:
4895: use Apache::lonhelper;
4896:
4897: no strict;
4898: @ISA = ("Apache::lonhelper::element");
4899: use strict;
4900: use Apache::lonlocal;
4901: use Apache::lonnet;
4902:
4903: my $maxColumns = 2;
4904: # it'd be nice if these all worked
4905: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
4906: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
4907: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
4908: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
4909: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
4910: "a4 [210x297 mm]");
4911:
4912: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
4913: # Paper type
4914:
4915: sub new {
4916: my $self = Apache::lonhelper::element->new();
4917:
4918: shift;
4919:
4920: $self->{'variable'} = shift;
4921: my $helper = Apache::lonhelper::getHelper();
4922: $helper->declareVar($self->{'variable'});
4923: bless($self);
4924: return $self;
4925: }
4926:
4927: sub render {
4928: my $self = shift;
4929: my $helper = Apache::lonhelper::getHelper();
4930: my $result = '';
4931: my $var = $self->{'variable'};
4932: my $PageLayout=&mt('Page layout');
4933: my $NumberOfColumns=&mt('Number of columns');
4934: my $PaperType=&mt('Paper type');
4935: my $landscape=&mt('Landscape');
4936: my $portrait=&mt('Portrait');
4937: my $pdfFormLabel=&mt('PDF-Formfields');
4938: my $with=&mt('with Formfields');
4939: my $without=&mt('without Formfields');
4940:
4941:
4942: $result.='<h3>'.&mt('Layout Options').'</h3>'
4943: .&Apache::loncommon::start_data_table()
4944: .&Apache::loncommon::start_data_table_header_row()
4945: .'<th>'.$PageLayout.'</th>'
4946: .'<th>'.$NumberOfColumns.'</th>'
4947: .'<th>'.$PaperType.'</th>'
4948: .'<th>'.$pdfFormLabel.'</th>'
4949: .&Apache::loncommon::end_data_table_header_row()
4950: .&Apache::loncommon::start_data_table_row()
4951: .'<td>'
4952: .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
4953: .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
4954: .'</td>';
4955:
4956: $result.='<td align="center">'
4957: .'<select name="'.${var}.'.cols">';
4958:
4959: my $i;
4960: for ($i = 1; $i <= $maxColumns; $i++) {
4961: if ($i == 2) {
4962: $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
4963: } else {
4964: $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
4965: }
4966: }
4967:
4968: $result .= "</select></td><td>\n";
4969: $result .= "<select name='${var}.paper'>\n";
4970:
4971: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
4972: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
4973: $DefaultPaperSize=~s/\s//g;
4974: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
4975: $i = 0;
4976: foreach (@paperSize) {
4977: $_=~/(\w+)/;
4978: my $papersize=$1;
4979: if ($paperSize[$i]=~/$DefaultPaperSize/) {
4980: $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
4981: } else {
4982: $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
4983: }
4984: $i++;
4985: }
4986: $result .= <<HTML;
4987: </select>
4988: </td>
4989: <td align='center'>
4990: <select name='${var}.pdfFormFields'>
4991: <option selected="selected" value="no">$without</option>
4992: <option value="yes">$with</option>
4993: </select>
4994: </td>
4995: HTML
4996: $result.=&Apache::loncommon::end_data_table_row()
4997: .&Apache::loncommon::end_data_table();
4998:
4999: return $result;
5000: }
5001:
5002: sub postprocess {
5003: my $self = shift;
5004:
5005: my $var = $self->{'variable'};
5006: my $helper = Apache::lonhelper->getHelper();
5007: $helper->{VARS}->{$var} =
5008: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
5009: $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
5010: return 1;
5011: }
5012:
5013: 1;
5014:
5015: package Apache::lonprintout::page_size_state;
5016:
5017: =pod
5018:
5019: =head1 Helper element: page_size_state
5020:
5021: See lonhelper.pm documentation for discussion of the helper framework.
5022:
5023: Apache::lonprintout::page_size_state is an element that gives the
5024: user the opportunity to further refine the page settings if they
5025: select a single-column page.
5026:
5027: page_size_state is always directly invoked in lonprintout.pm, so there
5028: is no tag interface. You actually pass parameters to the constructor.
5029:
5030: =over 4
5031:
5032: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
5033:
5034: =back
5035:
5036: =cut
5037:
5038: use Apache::lonhelper;
5039: use Apache::lonnet;
5040: no strict;
5041: @ISA = ("Apache::lonhelper::element");
5042: use strict;
5043:
5044:
5045:
5046: sub new {
5047: my $self = Apache::lonhelper::element->new();
5048:
5049: shift; # disturbs me (probably prevents subclassing) but works (drops
5050: # package descriptor)... - Jeremy
5051:
5052: $self->{'variable'} = shift;
5053: my $helper = Apache::lonhelper::getHelper();
5054: $helper->declareVar($self->{'variable'});
5055:
5056: # The variable name of the format element, so we can look into
5057: # $helper->{VARS} to figure out whether the columns are one or two
5058: $self->{'formatvar'} = shift;
5059:
5060:
5061: $self->{NEXTSTATE} = shift;
5062: bless($self);
5063:
5064: return $self;
5065: }
5066:
5067: sub render {
5068: my $self = shift;
5069: my $helper = Apache::lonhelper::getHelper();
5070: my $result = '';
5071: my $var = $self->{'variable'};
5072:
5073:
5074:
5075: if (defined $self->{ERROR_MSG}) {
5076: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
5077: }
5078:
5079: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5080:
5081: # Use format to get sensible defaults for the margins:
5082:
5083:
5084: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5085: ($papersize) = split(/ /, $papersize);
5086:
5087: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5088:
5089:
5090:
5091: my %size;
5092: ($size{'width_and_units'},
5093: $size{'height_and_units'},
5094: $size{'margin_and_units'})=
5095: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5096:
5097: foreach my $dimension ('width','height','margin') {
5098: ($size{$dimension},$size{$dimension.'_unit'}) =
5099: split(/ +/, $size{$dimension.'_and_units'},2);
5100:
5101: foreach my $unit ('cm','in') {
5102: $size{$dimension.'_options'} .= '<option ';
5103: if ($size{$dimension.'_unit'} eq $unit) {
5104: $size{$dimension.'_options'} .= 'selected="selected" ';
5105: }
5106: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
5107: }
5108: }
5109:
5110: # Adjust margin for LaTeX margin: .. requires units == cm or in.
5111:
5112: if ($size{'margin_unit'} eq 'in') {
5113: $size{'margin'} += 1;
5114: } else {
5115: $size{'margin'} += 2.54;
5116: }
5117: my %lt = &Apache::lonlocal::texthash(
5118: 'format' => 'How should each column be formatted?',
5119: 'width' => 'Width',
5120: 'height' => 'Height',
5121: 'margin' => 'Left Margin'
5122: );
5123:
5124: $result .= '<p>'.$lt{'format'}.'</p>'
5125: .&Apache::lonhtmlcommon::start_pick_box()
5126: .&Apache::lonhtmlcommon::row_title($lt{'width'})
5127: .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
5128: .'<select name="'.$var.'.widthunit">'
5129: .$size{'width_options'}
5130: .'</select>'
5131: .&Apache::lonhtmlcommon::row_closure()
5132: .&Apache::lonhtmlcommon::row_title($lt{'height'})
5133: .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
5134: .'<select name="'.$var.'.heightunit">'
5135: .$size{'height_options'}
5136: .'</select>'
5137: .&Apache::lonhtmlcommon::row_closure()
5138: .&Apache::lonhtmlcommon::row_title($lt{'margin'})
5139: .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
5140: .'<select name="'.$var.'.lmarginunit">'
5141: .$size{'margin_options'}
5142: .'</select>'
5143: .&Apache::lonhtmlcommon::row_closure(1)
5144: .&Apache::lonhtmlcommon::end_pick_box();
5145: # <p>Hint: Some instructors like to leave scratch space for the student by
5146: # making the width much smaller than the width of the page.</p>
5147:
5148: return $result;
5149: }
5150:
5151:
5152: sub preprocess {
5153: my $self = shift;
5154: my $helper = Apache::lonhelper::getHelper();
5155:
5156: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5157:
5158: # If the user does not have 'pav' privilege, set default widths and
5159: # on to the next state right away.
5160: #
5161: if (!$perm{'pav'}) {
5162: my $var = $self->{'variable'};
5163: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5164:
5165: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5166: ($papersize) = split(/ /, $papersize);
5167:
5168:
5169: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5170:
5171: # Figure out some good defaults for the print out and set them:
5172:
5173: my %size;
5174: ($size{'width'},
5175: $size{'height'},
5176: $size{'lmargin'})=
5177: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5178:
5179: foreach my $dim ('width', 'height', 'lmargin') {
5180: my ($value, $units) = split(/ /, $size{$dim});
5181:
5182: $helper->{VARS}->{"$var.".$dim} = $value;
5183: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
5184:
5185: }
5186:
5187:
5188: # Transition to the next state
5189:
5190: $helper->changeState($self->{NEXTSTATE});
5191: }
5192:
5193: return 1;
5194: }
5195:
5196: sub postprocess {
5197: my $self = shift;
5198:
5199: my $var = $self->{'variable'};
5200: my $helper = Apache::lonhelper->getHelper();
5201: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
5202: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
5203: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
5204: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
5205: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
5206: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
5207:
5208: my $error = '';
5209:
5210: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
5211: # by an optional period, followed by digits, ending the string
5212:
5213: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5214: $error .= "Invalid width; please type only a number.<br />\n";
5215: }
5216: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5217: $error .= "Invalid height; please type only a number.<br />\n";
5218: }
5219: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5220: $error .= "Invalid left margin; please type only a number.<br />\n";
5221: } else {
5222: # Adjust for LaTeX 1.0 inch margin:
5223:
5224: if ($env{"form.${var}.lmarginunit"} eq "in") {
5225: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
5226: } else {
5227: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
5228: }
5229: }
5230:
5231: if (!$error) {
5232: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
5233: return 1;
5234: } else {
5235: $self->{ERROR_MSG} = $error;
5236: return 0;
5237: }
5238: }
5239:
5240: __END__
5241:
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