1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.677 2022/06/11 14:20:41 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: # http://www.lon-capa.org/
26: #
27: #
28: package Apache::lonprintout;
29: use strict;
30: use Apache::Constants qw(:common :http);
31: use Apache::lonxml;
32: use Apache::lonnet;
33: use Apache::loncommon;
34: use Apache::inputtags;
35: use Apache::grades;
36: use Apache::edit;
37: use Apache::File();
38: use Apache::lonnavmaps;
39: use Apache::admannotations;
40: use Apache::lonenc;
41: use Apache::entities;
42: use Apache::londefdef;
43: # use Apache::structurelags; # for language management.
44:
45: use File::Basename;
46:
47: use HTTP::Response;
48: use LONCAPA::map();
49: use Apache::lonlocal;
50: use Carp;
51: use LONCAPA;
52:
53:
54: my %perm;
55: my %parmhash;
56: my $resources_printed;
57:
58: # Global variables that describe errors in ssi calls detected by ssi_with_retries.
59: #
60:
61: my $ssi_error; # True if there was an ssi error.
62: my $ssi_last_error_resource; # The resource URI that could not be fetched.
63: my $ssi_last_error; # The error text from the server. (e.g. 500 Server timed out).
64:
65: #
66: # Our ssi max retry count.
67: #
68:
69: my $ssi_retry_count = 5; # Some arbitrary value.
70:
71:
72: # Font size:
73:
74: my $font_size = 'normalsize'; # Default is normalsize...
75:
76: #---------------------------- Helper helpers. -------------------------
77:
78: ##
79: # Filter function to determine if a resource is a printable sequence.
80: #
81: # @param $res -Resource to check.
82: #
83: # @return 1 - printable and a resource
84: # 0 - either notm a sequence or not printable.
85: #
86: sub printable_sequence {
87: my $res = shift;
88:
89: # Non-sequences are not listed:
90:
91: if (!$res->is_sequence()) {
92: return 0;
93: }
94:
95: # Person with pav or pfo can always print:
96:
97: if ($perm{'pav'} || $perm{'pfo'}) {
98: return 1;
99: }
100:
101: if ($res->is_sequence()) {
102: my $symb = $res->symb();
103: my $navmap = $res->{NAV_MAP};
104:
105: # Find the first resource in the map:
106:
107: my $iterator = $navmap->getIterator($res, undef, undef, 1, 1);
108: my $first = $iterator->next();
109:
110: while (1) {
111: if ($first == $iterator->END_ITERATOR) { last; }
112: if (ref($first) && ! $first->is_sequence()) {last; }
113: $first = $iterator->next();
114: }
115:
116:
117: # Might be an empty map:
118:
119: if (!ref($first)) {
120: return 0;
121: }
122: my $partsref = $first->parts();
123: my @parts = @$partsref;
124: my ($open, $close) = $navmap->map_printdates($first, $parts[0]);
125: return &printable($open, $close);
126: }
127: return 0;
128: }
129:
130: # BZ5209:
131: # Create the states needed to run the helper for incomplete problems from
132: # the current folder for selected students.
133: # This includes:
134: # - A resource selector limited to problems (incompleteness must be
135: # calculated on a student per student basis.
136: # - A student selector.
137: # - Tie in to the FORMAT of the print job.
138: #
139: # States:
140: # CHOOSE_INCOMPLETE_PEOPLE_SEQ - Resource selection.
141: # CHOOSE_STUDENTS_INCOMPLETE - Student selection.
142: # CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection
143: # Parameters:
144: # helper - the helper which already contains info about the current folder we can
145: # purloin.
146: # url - Top url of the sequence
147: # Return:
148: # XML that can be parsed by the helper to drive the state machine.
149: #
150: sub create_incomplete_folder_selstud_helper {
151: my ($helper, $map) = @_;
152:
153:
154: my $symbFilter = '$res->shown_symb()';
155: my $selFilter = '$res->is_problem()';
156:
157:
158: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ',
159: 'Select problem(s) to print',
160: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1"',
161: 'RESOURCES',
162: 'CHOOSE_STUDENTS_INCOMPLETE',
163: $map,
164: $selFilter,
165: '',
166: $symbFilter,
167: '');
168:
169: my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE',
170: 'student_sort',
171: 'STUDENTS',
172: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT');
173:
174: my $format_chooser = &generate_format_selector($helper,
175: 'Format of the print job',
176: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
177:
178: return $resource_chooser . $student_chooser . $format_chooser;
179: }
180:
181:
182: # BZ 5209
183: # Create the states needed to run the helper for incomplete problems from
184: # the current folder for selected students.
185: # This includes:
186: # - A resource selector limited to problems. (incompleteness must be calculated
187: # on a student per student basis.
188: # - A student selector.
189: # - Tie in to format for the print job.
190: # States:
191: # INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector.
192: # INCOMPLETE_PROBLEMS_COURSE_STUDENTS - Student selector.
193: # INCOMPLETE_PROBLEMS_COURSE_FORMAT - Format selection.
194: #
195: # Parameters:
196: # helper - Helper we are creating states for.
197: # Returns:
198: # Text that can be parsed by the helper.
199: #
200:
201: sub create_incomplete_course_helper {
202: my $helper = shift;
203:
204: my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
205: my $symbfilter = '$res->shown_symb()';
206:
207: my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES',
208: 'Select problem(s) to print',
209: 'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1" modallink="1"',
210: 'RESOURCES',
211: 'INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
212: '',
213: $filter,
214: '',
215: $symbfilter,
216: '');
217:
218: my $people_chooser = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
219: 'student_sort',
220: 'STUDENTS',
221: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT');
222:
223: my $format = &generate_format_selector($helper,
224: 'Format of the print job',
225: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
226:
227: return $resource_chooser . $people_chooser . $format;
228:
229:
230: }
231:
232: # BZ5209
233: # Creates the states needed to run the print helper for a student
234: # that wants to print his incomplete problems from the current folder.
235: # Parameters:
236: # $helper - helper we are generating states for.
237: # $map - The map for which the student wants incomplete problems.
238: # Returns:
239: # XML that defines the helper states being created.
240: #
241: # States:
242: # CHOOSE_INCOMPLETE_SEQ - Resource selector.
243: #
244: sub create_incomplete_folder_helper {
245: my ($helper, $map) = @_;
246:
247: my $filter = '$res->is_problem()';
248: $filter .= ' && $res->resprintable() ';
249: $filter .= ' && $res->is_incomplete() ';
250:
251: my $symfilter = '$res->shown_symb()';
252:
253: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ',
254: 'Select problem(s) to print',
255: 'multichoice="1", toponly ="1", addstatus="1", closeallpages="1" modallink="1"',
256: 'RESOURCES',
257: 'PAGESIZE',
258: $map,
259: $filter, '',
260: $symfilter,
261: '');
262:
263: return $resource_chooser;
264: }
265:
266:
267: # Returns the text neded for a student chooser.
268: # that text must still be parsed by the helper xml parser.
269: # Parameters:
270: # this_state - State name of the chooser.
271: # sort_choice - variable to hold the sorting choice.
272: # variable - Name of variable to hold students.
273: # next_state - State after chooser.
274:
275:
276: sub generate_student_chooser {
277: my ($this_state,
278: $sort_choice,
279: $variable,
280: $next_state) = @_;
281: my $result = <<CHOOSE_STUDENTS;
282: <state name="$this_state" title="Select Students and Resources">
283: <message><b>Select sorting order of printout</b> </message>
284:
285: <choices variable="$sort_choice">
286: <choice computer='0'>Sort by section then student</choice>
287: <choice computer='1'>Sort by students across sections.</choice>
288: </choices>
289:
290: <message><br /><hr /><br /> </message>
291: <student multichoice='1'
292: variable="$variable"
293: nextstate="$next_state"
294: coursepersonnel="1" />
295: </state>
296:
297: CHOOSE_STUDENTS
298:
299: return $result;
300: }
301:
302: # Generate the text needed for a resource chooser given the top level of
303: # the sequence/page
304: #
305: # Parameters:
306: # this_state - State name of the chooser.
307: # prompt_text - Text to use to prompt user.
308: # resource_options - Resource tag options e.g.
309: # "multichoice='1', toponly='1', addstatus='1',
310: # modallink='1'"
311: # that control the selection and appearance of the
312: # resource selector.
313: # variable - Name of the variable to hold the choice
314: # next_state - Name of the next state the helper should transition
315: # to
316: # top_url - Top level URL within which to make the selector.
317: # If empty the top level sequence is shown.
318: # filter - How to filter the resources.
319: # value_func - <valuefunc> function.
320: # choice_func - If not empty generates a <choicefunc> with this function.
321: # start_new_option
322: # - Fragment appended after valuefunc.
323: #
324: #
325: sub generate_resource_chooser {
326: my ($this_state,
327: $prompt_text,
328: $resource_options,
329: $variable,
330: $next_state,
331: $top_url,
332: $filter,
333: $choice_func,
334: $value_func,
335: $start_new_option) = @_;
336:
337: my $result = <<CHOOSE_RESOURCES;
338: <state name="$this_state" title="$prompt_text">
339: <resource variable="$variable" $resource_options
340: closeallpages="1">
341: <nextstate>$next_state</nextstate>
342: <filterfunc>return $filter;</filterfunc>
343: CHOOSE_RESOURCES
344: if ($choice_func ne '') {
345: $result .= "<choicefunc>return $choice_func;</choicefunc>";
346: }
347: if ($top_url ne '') {
348: $result .= "<mapurl>$top_url</mapurl>";
349: }
350: $result .= <<CHOOSE_RESOURCES;
351: <valuefunc>return $value_func;</valuefunc>
352: $start_new_option
353: </resource>
354: </state>
355: CHOOSE_RESOURCES
356: return $result;
357: }
358: #
359: # Generate the helper XML for a code choice helper dialog:
360: #
361: # Paramters:
362: # $helper - Reference to the helper.
363: # $state - Name of the state for the chooser.
364: # $next_state - Name fo the state to follow the chooser.
365: # $bubble_types - Populates the bubble sheet type dropt down.
366: # $code_selections - Provides set of code choices that have been used
367: # $saved_codes - Provides the list of saved codes.
368: #
369: # Returns;
370: # The Xml of the code chooser.
371: #
372: sub generate_code_selector {
373: my ($helper,
374: $state,
375: $next_state,
376: $bubble_types,
377: $code_selections,
378: $saved_codes) = @_; # Unpack the parameters.
379:
380: my $result = <<CHOOSE_ANON1;
381: <state name="$state" title="Specify CODEd Assignments">
382: <nextstate>$next_state</nextstate>
383: <message><h4>Fill out one of the forms below</h4></message>
384: <message><br /><hr /> <br /></message>
385: <message><h3>Generate new CODEd Assignments</h3></message>
386: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
387: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
388: <validator>
389: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
390: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
391: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
392: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
393:
394: return "You need to specify the number of assignments to print";
395: }
396: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
397: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
398: return 'Specifying number of codes to print and a specific code is not compatible';
399: }
400: return undef;
401: </validator>
402: </string>
403: <message></td></tr><tr><td></message>
404: <message><b>Names to save the CODEs under for later:</b></message>
405: <message></td><td></message>
406: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
407: <message></td></tr><tr><td></message>
408: <message><b>Bubblesheet type:</b></message>
409: <message></td><td></message>
410: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
411: $bubble_types
412: </dropdown>
413: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
414: <message></td></tr><tr><td></table></message>
415: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
416: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
417: <string variable="SINGLE_CODE" size="10">
418: <validator>
419: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
420: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
421: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
422: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
423: \$helper->{'VARS'}{'CODE_OPTION'});
424: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
425: return 'Specifying a code name is incompatible with specifying number of codes.';
426: } else {
427: return undef; # Other forces control us.
428: }
429: </validator>
430: </string>
431: <message></td></tr><tr><td></message>
432: $code_selections
433: <message></td></tr></table></message>
434: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
435: <message><b>Select saved CODEs:</b></message>
436: <message></td><td></message>
437: <dropdown variable="REUSE_OLD_CODES">
438: $saved_codes
439: </dropdown>
440: <message></td></tr></table></message>
441: </state>
442: CHOOSE_ANON1
443:
444: return $result;
445: }
446:
447: # Returns the XML for choosing how assignments are to be formatted
448: # that text must still be parsed by the helper xml parser.
449: # Parameters: 3 (required)
450:
451: # helper - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
452: # to check if splitting PDFs by section can be offered.
453: # title - Title for the current state.
454: # this_state - State name of the chooser.
455:
456: sub generate_format_selector {
457: my ($helper,$title,$this_state) = @_;
458: my $secpdfoption;
459: unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
460: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
461: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
462: $secpdfoption = '<choice computer="sections">Each PDF contains exactly one section</choice>';
463: }
464: return <<RESOURCE_SELECTOR;
465: <state name="$this_state" title="$title">
466: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
467: <choices variable="EMPTY_PAGES">
468: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
469: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
470: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
471: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
472: </choices>
473: <nextstate>PAGESIZE</nextstate>
474: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
475: <choices variable="SPLIT_PDFS">
476: <choice computer="all">All assignments in a single PDF file</choice>
477: $secpdfoption
478: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
479: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
480: Specify the number of assignments per PDF:</choice>
481: </choices>
482: </state>
483: RESOURCE_SELECTOR
484: }
485:
486: #-----------------------------------------------------------------------
487:
488: # Computes an open and close date from a list of open/close dates for a resource's
489: # parts.
490: #
491: # @param \@opens - reference to an array of open dates.
492: # @param \@closes - reference to an array of close dates.
493: #
494: # @return ($open, $close)
495: #
496: # @note If open/close dates are not defined they will be returned as undef
497: # @note It is possible for there to be no overlap in which case -1,-1
498: # will be returned.
499: # @note The algorithm used is to take the latest open date and the earliest end date.
500: #
501: sub compute_open_window {
502: my ($opensref, $closesref) = @_;
503:
504: my @opens = @$opensref;
505: my @closes = @$closesref;
506:
507: # latest open date:
508: my $latest_open;
509:
510: foreach my $open (@opens) {
511: if (!defined($latest_open) || ($open > $latest_open)) {
512: $latest_open = $open;
513: }
514: }
515: # Earliest close:
516:
517: my $earliest_close;
518: foreach my $close (@closes) {
519: if (!defined($earliest_close) || ($close < $earliest_close)) {
520: $earliest_close = $close;
521: }
522: }
523:
524: # If no overlap...both are -1 as promised.
525:
526: if (($earliest_close ne '') && ($latest_open ne '')
527: && ($earliest_close < $latest_open)) {
528: $latest_open = -1;
529: $earliest_close = -1;
530: }
531:
532: return ($latest_open, $earliest_close);
533:
534: }
535:
536: ##
537: # Determines if 'now' is within the set of printable dates.
538: #
539: # @param $open_date - Starting date/timestamp.
540: # @param $close_date - Ending date/timestamp.
541: #
542: # @return 0 - Not open.
543: # @return 1 - open.
544: #
545: sub printable {
546: my ($open_date, $close_date) = @_;
547:
548:
549: my $now = time();
550:
551: # Have to do a bit of fancy footwork around undefined open/close dates:
552:
553: if ($open_date && ($open_date > $now)) {
554: return 0;
555: }
556:
557: if ($close_date && ($close_date < $now)) {
558: return 0;
559: }
560:
561: return 1;
562:
563: }
564:
565: ##
566: # Returns the innermost print start/print end dates for a resource.
567: # This is done by looking at the start/end dates for its parts and choosing
568: # the intersection of those dates.
569: #
570: # @param res - lonnvamaps::resource object that represents the resource.
571: #
572: # @return (opendate, closedate)
573: #
574: # @note If open/close dates are not defined they will be returned as undef
575: # @note It is possible for there to be no overlap in which case -1,-1
576: # will be returned.
577: # @note The algorithm used is to take the latest open date and the earliest end date.
578: # For consistency with &printable() in lonnavmaps.pm determination of start
579: # date for printing checks printstartdate param first, then, if not set,
580: # opendate param, then, if not set, contentopen param.
581:
582: sub get_print_dates {
583: my $res = shift;
584: my $partsref = $res->parts();
585: my @parts;
586: if (ref($partsref) eq 'ARRAY') {
587: @parts = @{$partsref};
588: }
589: my $open_date;
590: my $close_date;
591: my @open_dates;
592: my @close_dates;
593:
594:
595: if (@parts) {
596: foreach my $part (@parts) {
597: my $partopen = $res->parmval('printstartdate', $part);
598: my $partclose = $res->parmval('printenddate', $part);
599: if (!$partopen) {
600: $partopen = $res->parmval('opendate',$part);
601: }
602: if (!$partopen) {
603: $partopen = $res->parmval('contentopen',$part);
604: }
605: if ($partopen) {
606: push(@open_dates, $partopen);
607: }
608: if ($partclose) {
609: push(@close_dates, $partclose);
610: }
611: push(@open_dates, $partopen);
612: push(@close_dates, $partclose);
613: }
614: }
615:
616: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
617:
618: return ($open_date, $close_date);
619: }
620:
621: ##
622: # Get the dates for which a course says a resource can be printed. This is like
623: # get_print_dates but namvaps::course_print_dates are gotten...and not converted
624: # to times either.
625: #
626: # @param $res - Reference to a resource has from lonnvampas::resource.
627: #
628: # @return (opendate, closedate)
629: #
630: sub course_print_dates {
631: my $res = shift;
632: my $partsref = $res->parts();
633: my @parts = @$partsref;
634: my $open_date;
635: my $close_date;
636: my @open_dates;
637: my @close_dates;
638: my $navmap = $res->{NAV_MAP}; # Slightly OO dirty.
639:
640: # Don't bother looping over undefined or empty parts arraY;
641:
642: if (@parts) {
643: foreach my $part (@parts) {
644: my ($partopen, $partclose) = $navmap->course_printdates($res, $part);
645: push(@open_dates, $partopen);
646: push(@close_dates, $partclose);
647: }
648: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
649: }
650: return ($open_date, $close_date);
651: }
652: ##
653: # Same as above but for the enclosing map:
654: #
655: sub map_print_dates {
656: my $res = shift;
657: my $partsref = $res->parts();
658: my @parts = @$partsref;
659: my $open_date;
660: my $close_date;
661: my @open_dates;
662: my @close_dates;
663: my $navmap = $res->{NAV_MAP}; # slightly OO dirty.
664:
665:
666: # Don't bother looping over undefined or empty parts arraY;
667:
668: if (@parts) {
669: foreach my $part (@parts) {
670: my ($partopen, $partclose) = $navmap->map_printdates($res, $part);
671: push(@open_dates, $partopen);
672: push(@close_dates, $partclose);
673: }
674: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
675: }
676: return ($open_date, $close_date);
677: }
678:
679: # Determine if a resource is incomplete given the map:
680: # Parameters:
681: # $username - Name of user for whom we are checking.
682: # $domain - Domain of user we are checking.
683: # $map - map name.
684: # Returns:
685: # 0 - map is not incomplete.
686: # 1 - map is incomplete.
687: #
688: sub incomplete {
689: my ($username, $domain, $map) = @_;
690:
691:
692: my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
693:
694:
695: if (defined($navmap)) {
696: my $res = $navmap->getResourceByUrl($map);
697: my $result = $res->is_incomplete();
698: return $result;
699: } else {
700: return 1;
701: }
702: }
703: #
704: # When printing for students, the resources and order of the
705: # resources may need to be altered if there are folders with
706: # random selectiopn or random ordering (or both) enabled.
707: # This sub computes the set of resources to print for a student
708: # modified both by random ordering and selection and filtered
709: # to only those that are in the original set selected to be printed.
710: #
711: # Parameters:
712: # $map - The URL of the folder being printed.
713: # Used to determine which startResource and finishResource
714: # to use when using the navmap's getIterator method.
715: # $seq - The original set of resources to print.
716: # (really an array of resource names (array of symb's).
717: # $who - Student/domain for whome the sequence will be generated.
718: # $code - CODE being printed when printing Problems/Resources
719: # from folder for CODEd assignments
720: # $nohidemap - If true, parameter in map for hiddenresource will be
721: # ignored. The user calling the routine should have
722: # both the pav and vgr privileges if this is set to true).
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 ($map, $seq, $who, $code, $nohidemap) = @_;
732:
733:
734: my ($username, $userdomain, $usersection) = split(/:/, $who);
735:
736: # Toss the sequence up into a hash so that we have O(1) lookup time.
737: # on the items that come out of the user's list of resources.
738: #
739:
740: my %seq_hash = map {$_ => 1} @$seq;
741: my @output_seq;
742:
743: my $unhidden;
744: if ($nohidemap) {
745: $unhidden = &Apache::lonnet::clutter($map);
746: }
747:
748: my $navmap = Apache::lonnavmaps::navmap->new($username, $userdomain,
749: $code, $unhidden);
750: my ($start,$finish);
751:
752: if ($map) {
753: my $mapres = $navmap->getResourceByUrl($map);
754: if ($mapres->is_map()) {
755: $start = $mapres->map_start();
756: $finish = $mapres->map_finish();
757: }
758: }
759: unless ($start && $finish) {
760: $start = $navmap->firstResource();
761: $finish = $navmap->finishResource();
762: }
763:
764: my $iterator = $navmap->getIterator($start,$finish,{},1);
765:
766: # Iterate on the resource..select the items that are randomly selected
767: # and that are in the seq_has. Presumably the iterator will take care
768: # of the random ordering part of the deal.
769: #
770: my $curres;
771: while ($curres = $iterator->next()) {
772: #
773: # Only process resources..that are not removed by randomout...
774: # and are selected for printint as well.
775: #
776: if (ref($curres) && ! $curres->randomout()) {
777: my $currsymb = $curres->symb();
778: if (exists($seq_hash{$currsymb})) {
779: push(@output_seq, $currsymb);
780: }
781: }
782: }
783:
784: return \@output_seq; # for now.
785:
786: }
787:
788:
789: # Fetch the contents of a resource, uninterpreted.
790: # This is used here to fetch a latex file to be included
791: # verbatim into the printout<
792: # NOTE: Ask Guy if there is a lonnet function similar to this?
793: #
794: # Parameters:
795: # URL of the file
796: #
797: sub fetch_raw_resource {
798: my ($url) = @_;
799:
800: my $filename = &Apache::lonnet::filelocation("", $url);
801: my $contents = &Apache::lonnet::getfile($filename);
802:
803: if ($contents == -1) {
804: return "File open failed for $filename"; # This will bomb the print.
805: }
806: return $contents;
807:
808:
809: }
810:
811: # Fetch the annotations associated with a URL and
812: # put a centered 'annotations:' title.
813: # This is all suppressed if the annotations are empty.
814: #
815: sub annotate {
816: my ($symb) = @_;
817:
818: my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
819:
820:
821: my $result = "";
822:
823: if (length($annotation_text) > 0) {
824: $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
825: $result .= "\n";
826: $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex.
827: $result .= "\n\n";
828: }
829: return $result;
830: }
831:
832: #
833: # Set a global document font size:
834: # This is done by replacing \begin{document}
835: # with \begin{document}{\some-font-directive
836: # and \end{document} with
837: # }\end{document
838: #
839: sub set_font_size {
840:
841: my ($text) = @_;
842:
843: # There appear to be cases where the font directive is empty.. in which
844: # case the first substituion would insert a spurious \ oh happy day.
845: # as this has been the cause of much mystery and hair pulling _sigh_
846:
847: if ($font_size ne '') {
848:
849: $text =~ s/\\begin\{document}/\\begin{document}{\\$font_size/;
850: $text =~ s/\\end\{document}/}\\end{document}/;
851:
852: }
853: return $text;
854:
855:
856: }
857:
858: # include_pdf - PDF files are included into the
859: # output as follows:
860: # - The PDF, if necessary, is replicated.
861: # - The PDF is added to the list of files to convert to postscript (along with the images).
862: # - The LaTeX is added to include the final converted postscript in the file as an included
863: # job. The assumption is that the includedpsheader.ps header will be included.
864: #
865: # Parameters:
866: # pdf_uri - URI of the PDF file to include.
867: #
868: # Returns:
869: # The LaTeX to include.
870: #
871: # Assumptions:
872: # The uri is actually a PDF file
873: # The postscript will have the includepsheader.ps included.
874: #
875: #
876: sub include_pdf {
877: my ($pdf_uri) = @_;
878:
879: # Where is the file? If not local we'll need to repcopy it:'
880:
881: my $file = &Apache::lonnet::filelocation('', $pdf_uri);
882: if (! -e $file) {
883: &Apache::lonnet::repcopy($file);
884: $file = &Apache::lonnet::filelocation('',$pdf_uri);
885: }
886:
887: # The file isn ow replicated locally.. or it did not exist in the first place
888: # (unlikely). If it did exist, add the pdf to the set of files/images that
889: # need tob e converted for this print job:
890:
891: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
892: $file =~ s{(.*)/res/}{$londocroot/res/};
893:
894: open(FILE,">>","$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat");
895: print FILE ("$file\n");
896: close (FILE);
897:
898: # Construct the special to put out. To do this we need to get the
899: # resulting filename after conversion. The file will have the same name
900: # but will be in the user's spool directory with converted images.
901:
902: my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
903: my ( $base, $path, $ext) = &fileparse($file, '.pdf');
904: # my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
905: $base =~ s/ /\_/g;
906:
907:
908: my $output = &print_latex_header();
909: $output .= '\special{ps: _begin_job_ ('
910: .$base.'.pdf.eps'.
911: ')run _end_job_}';
912:
913: return $output;
914:
915:
916: }
917: ##
918: # Collect the various \select_language{language_name}
919: # latex tags to build a \usepackage[lang-list]{babel} which will
920: # appear just prior to the \begin{document} at the front of the concatenated
921: # set of resources:
922: # @param doc - The string of latex to search/replace.
923: # @return string
924: # @retval - the modified document stringt.
925: #
926: sub collect_languages {
927: my $doc = shift;
928: my %languages;
929: while ($doc =~ /\\selectlanguage\{(\w+)}/mg) {
930: $languages{$1} = 1; # allows us to request each language exactly once.
931: }
932: my @lang_list = (keys(%languages)); # List of unique languages
933: if (scalar @lang_list) {
934: my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n";
935: $doc =~ s/\\begin\{document}/$babel_header\\begin{document}/;
936: }
937: return $doc;
938: }
939: #-------------------------------------------------------------------
940:
941: #
942: # ssi_with_retries- Does the server side include of a resource.
943: # if the ssi call returns an error we'll retry it up to
944: # the number of times requested by the caller.
945: # If we still have a proble, no text is appended to the
946: # output and we set some global variables.
947: # to indicate to the caller an SSI error occurred.
948: # All of this is supposed to deal with the issues described
949: # in LonCAPA BZ 5631 see:
950: # http://bugs.lon-capa.org/show_bug.cgi?id=5631
951: # by informing the user that this happened.
952: #
953: # Parameters:
954: # resource - The resource to include. This is passed directly, without
955: # interpretation to lonnet::ssi.
956: # form - The form hash parameters that guide the interpretation of the resource
957: #
958: # retries - Number of retries allowed before giving up completely.
959: # Returns:
960: # On success, returns the rendered resource identified by the resource parameter.
961: # Side Effects:
962: # The following global variables can be set:
963: # ssi_error - If an unrecoverable error occurred this becomes true.
964: # It is up to the caller to initialize this to false
965: # if desired.
966: # ssi_last_error_resource - If an unrecoverable error occurred, this is the value
967: # of the resource that could not be rendered by the ssi
968: # call.
969: # ssi_last_error - The error string fetched from the ssi response
970: # in the event of an error.
971: #
972: sub ssi_with_retries {
973: my ($resource, $retries, %form) = @_;
974:
975: my $target = $form{'grade_target'};
976: my $aom = $form{'answer_output_mode'};
977:
978:
979:
980: my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
981: if (!$response->is_success) {
982: $ssi_error = 1;
983: $ssi_last_error_resource = $resource;
984: $ssi_last_error = $response->code . " " . $response->message;
985: $content='\section*{!!! An error occurred !!!}';
986: }
987:
988: return $content;
989:
990: }
991:
992: sub get_student_view_with_retries {
993: my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
994:
995: my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
996: if (!$response->is_success) {
997: $ssi_error = 1;
998: $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
999: $ssi_last_error = $response->code . " " . $response->message;
1000: $content='\section*{!!! An error occurred !!!}';
1001: }
1002: return $content;
1003:
1004: }
1005:
1006: #
1007: # printf_style_subst item format_string repl
1008: #
1009: # Does printf style substitution for a format string that
1010: # can have %[n]item in it.. wherever, %[n]item occurs,
1011: # rep is substituted in format_string. Note that
1012: # [n] is an optional integer length. If provided,
1013: # repl is truncated to at most [n] characters prior to
1014: # substitution.
1015: #
1016: sub printf_style_subst {
1017: my ($item, $format_string, $repl) = @_;
1018: my $result = "";
1019: while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1020: my $fmt = $1;
1021: my $size = $2;
1022: my $subst = $repl;
1023: if ($size ne "") {
1024: $subst = substr($subst, 0, $size);
1025:
1026: # Here's a nice edge case.. supose the end of the
1027: # substring is a \. In that case may have just
1028: # chopped off a TeX escape... in that case, we append
1029: # " " for the trailing character, and let the field
1030: # spill over a bit (sigh).
1031: # We don't just chop off the last character in order to deal
1032: # with one last pathology, and that would be if substr had
1033: # trimmed us to e.g. \\\
1034:
1035:
1036: if ($subst =~ /\\$/) {
1037: $subst .= " ";
1038: }
1039: }
1040: my $item_pos = pos($format_string);
1041: $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
1042: $format_string = substr($format_string, pos($format_string));
1043: }
1044:
1045: # Put the residual format string into the result:
1046:
1047: $result .= $format_string;
1048:
1049: return $result;
1050: }
1051:
1052:
1053: # Format a header according to a format.
1054: #
1055:
1056: # Substitutions:
1057: # %a - Assignment name.
1058: # %c - Course name.
1059: # %n - Student name.
1060: # %s - The section if it is supplied.
1061: #
1062: sub format_page_header {
1063: my ($width, $format, $assignment, $course, $student, $section) = @_;
1064:
1065:
1066:
1067: $width = &recalcto_mm($width); # Get width in mm.
1068: my $chars_per_line = int($width/1.6); # Character/textline.
1069:
1070: # Default format?
1071:
1072: if ($format eq '') {
1073: # For the default format, we may need to truncate
1074: # elements.. To do this we need to get the page width.
1075: # we assume that each character is about 2mm in width.
1076: # (correct for the header text size??). We ignore
1077: # any formatting (e.g. boldfacing in this).
1078: #
1079: # - Allow the student/course to be one line.
1080: # but only truncate the course.
1081: # - Allow the assignment to be 2 lines (wrapped).
1082: #
1083:
1084:
1085:
1086: my $name_length = int($chars_per_line *3 /4);
1087: my $sec_length = int($chars_per_line / 5);
1088:
1089: $format = "%$name_length".'n';
1090:
1091: if ($section) {
1092: $format .= ' - Sec: '."%$sec_length".'s';
1093: }
1094:
1095: $format .= '\\\\%c \\\\ %a';
1096:
1097:
1098: }
1099: # An open question is how to handle long user formatted page headers...
1100: # A possible future is to support e.g. %na so that the user can control
1101: # the truncation of the elements that can appear in the header.
1102: #
1103: $format = &printf_style_subst("a", $format, $assignment);
1104: $format = &printf_style_subst("c", $format, $course);
1105: $format = &printf_style_subst("n", $format, $student);
1106: $format = &printf_style_subst("s", $format, $section);
1107:
1108:
1109: # If the user put %'s in the format string, they must be escaped
1110: # to \% else LaTeX will think they are comments and terminate
1111: # the line.. which is bad!!!
1112:
1113: # If the user has role author, $course and $assignment are empty so
1114: # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
1115: if($format =~ /\\\\\s\\\\\s/) {
1116: #TODO find sensible caption for page header
1117: my $testPrintout = '\\\\'.&mt('Authoring Space').' \\\\'.&mt('Test-Printout ');
1118: $format =~ s/\\\\\s\\\\\s/$testPrintout/;
1119: }
1120: #
1121: # We're going to trust LaTeX to break lines appropriately, but
1122: # we'll truncate anything that's more than 3 lines worth of
1123: # text. This is also assuming (which will probably end badly)
1124: # nobody's going to embed LaTeX control sequences in the title
1125: # header or rather that those control sequences won't get broken
1126: # by the stuff below.
1127: #
1128: my $total_length = 3*$chars_per_line;
1129: if (length($format) > $total_length) {
1130: $format = substr($format, 0, $total_length);
1131: }
1132:
1133:
1134: return $format;
1135:
1136: }
1137:
1138: #
1139: # Convert a numeric code to letters
1140: #
1141: sub num_to_letters {
1142: my ($num) = @_;
1143: my @nums= split('',$num);
1144: my @num_to_let=('A'..'Z');
1145: my $word;
1146: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1147: return $word;
1148: }
1149: # Convert a letter code to numeric.
1150: #
1151: sub letters_to_num {
1152: my ($letters) = @_;
1153: my @letters = split('', uc($letters));
1154: my %substitution;
1155: my $digit = 0;
1156: foreach my $letter ('A'..'J') {
1157: $substitution{$letter} = $digit;
1158: $digit++;
1159: }
1160: # The substitution is done as below to preserve leading
1161: # zeroes which are needed to keep the code size exact
1162: #
1163: my $result ="";
1164: foreach my $letter (@letters) {
1165: $result.=$substitution{$letter};
1166: }
1167: return $result;
1168: }
1169:
1170: # Determine if a code is a valid numeric code. Valid
1171: # numeric codes must be comprised entirely of digits and
1172: # have a correct number of digits.
1173: #
1174: # Parameters:
1175: # value - proposed code value.
1176: # num_digits - Number of digits required.
1177: #
1178: sub is_valid_numeric_code {
1179: my ($value, $num_digits) = @_;
1180: # Remove leading/trailing whitespace;
1181: $value =~ s/^\s*//g;
1182: $value =~ s/\s*$//g;
1183:
1184: # All digits?
1185: if ($value !~ /^[0-9]+$/) {
1186: return "Numeric code $value has invalid characters - must only be digits";
1187: }
1188: if (length($value) != $num_digits) {
1189: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
1190: }
1191: return undef;
1192: }
1193: # Determines if a code is a valid alhpa code. Alpha codes
1194: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
1195: # They also have a correct digit count.
1196: # Parameters:
1197: # value - Proposed code value.
1198: # num_letters - correct number of letters.
1199: # Note:
1200: # leading and trailing whitespace are ignored.
1201: #
1202: sub is_valid_alpha_code {
1203: my ($value, $num_letters) = @_;
1204:
1205: # strip leading and trailing spaces.
1206:
1207: $value =~ s/^\s*//g;
1208: $value =~ s/\s*$//g;
1209:
1210: # All alphas in the right range?
1211: if ($value !~ /^[A-J,a-j]+$/) {
1212: return "Invalid letter code $value must only contain A-J";
1213: }
1214: if (length($value) != $num_letters) {
1215: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
1216: }
1217: return undef;
1218: }
1219:
1220: # Determine if a code entered by the user in a helper is valid.
1221: # valid depends on the code type and the type of code selected.
1222: # The type of code selected can either be numeric or
1223: # Alphabetic. If alphabetic, the code, in fact is a simple
1224: # substitution cipher for the actual numeric code: 0->A, 1->B ...
1225: # We'll be nice and be case insensitive for alpha codes.
1226: # Parameters:
1227: # code_value - the value of the code the user typed in.
1228: # code_option - The code type selected from the set in the scantron format
1229: # table.
1230: # Returns:
1231: # undef - The code is valid.
1232: # other - An error message indicating what's wrong.
1233: #
1234: sub is_code_valid {
1235: my ($code_value, $code_option) = @_;
1236: my ($code_type, $code_length) = ('letter', 6); # defaults.
1237: my @lines = &Apache::lonnet::get_scantronformat_file();
1238: foreach my $line (@lines) {
1239: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
1240: if($name eq $code_option) {
1241: $code_length = $length;
1242: if($type eq 'number') {
1243: $code_type = 'number';
1244: }
1245: }
1246: }
1247: my $valid;
1248: if ($code_type eq 'number') {
1249: return &is_valid_numeric_code($code_value, $code_length);
1250: } else {
1251: return &is_valid_alpha_code($code_value, $code_length);
1252: }
1253:
1254: }
1255: #
1256: # Compare two students by section (Used to sort by section).
1257: #
1258: # Implicit inputs,
1259: # $a - The first one
1260: # $b - The second one.
1261: #
1262: # Returns:
1263: # a-section cmp b-section
1264: #
1265: sub compare_sections {
1266: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1267: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1268:
1269: return $s1 cmp $s2;
1270: }
1271:
1272: # Compare two students by name. The students are in the form
1273: # returned by the helper:
1274: # user:domain:section:last, first:status
1275: # This is a helper function for the perl sort built-in therefore:
1276: # Implicit Inputs:
1277: # $a - The first element to compare (global)
1278: # $b - The second element to compare (global)
1279: # Returns:
1280: # -1 - $a < $b
1281: # 0 - $a == $b
1282: # +1 - $a > $b
1283: # Note that the initial comparison is done on the last names with the
1284: # first names only used to break the tie.
1285: #
1286: #
1287: sub compare_names {
1288: # First split the names up into the primary fields.
1289:
1290: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1291: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1292:
1293: # Now split the last name and first name of each n:
1294: #
1295:
1296: my ($l1,$f1) = split(/,/, $n1);
1297: my ($l2,$f2) = split(/,/, $n2);
1298:
1299: # We don't bother to remove the leading/trailing whitespace from the
1300: # firstname, unless the last names compare identical.
1301:
1302: if($l1 lt $l2) {
1303: return -1;
1304: }
1305: if($l1 gt $l2) {
1306: return 1;
1307: }
1308:
1309: # Break the tie on the first name, but there are leading (possibly trailing
1310: # whitespaces to get rid of first
1311: #
1312: $f1 =~ s/^\s+//; # Remove leading...
1313: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
1314:
1315: $f2 =~ s/^\s+//;
1316: $f2 =~ s/\s+$//; # And the same for first 2...
1317:
1318: if($f1 lt $f2) {
1319: return -1;
1320: }
1321: if($f1 gt $f2) {
1322: return 1;
1323: }
1324:
1325: # Must be the same name.
1326:
1327: return 0;
1328: }
1329:
1330: sub latex_header_footer_remove {
1331: my $text = shift;
1332: $text =~ s/\\end\{document}//;
1333: $text =~ s/\\documentclass([^&]*)\\begin\{document}//;
1334: return $text;
1335: }
1336: #
1337: # If necessary, encapsulate text inside
1338: # a minipage env.
1339: # necessity is determined by the problem_split param.
1340: #
1341: sub encapsulate_minipage {
1342: my ($text,$problem_split) = @_;
1343: if (!($problem_split =~ /yes/i)) {
1344: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
1345: }
1346: return $text;
1347: }
1348: #
1349: # The NUMBER_TO_PRINT and SPLIT_PDFS
1350: # variables interact, this sub looks at these two parameters
1351: # and comes up with a final value for NUMBER_TO_PRINT which can be:
1352: # all - if SPLIT_PDFS eq 'all'.
1353: # 1 - if SPLIT_PDFS eq 'oneper'
1354: # section - if SPLIT_PDFS eq 'sections'
1355: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
1356: #
1357: sub adjust_number_to_print {
1358: my $helper = shift;
1359:
1360: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
1361:
1362: if ($split_pdf eq 'all') {
1363: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
1364: } elsif ($split_pdf eq 'oneper') {
1365: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
1366: } elsif ($split_pdf eq 'sections') {
1367: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
1368: } elsif ($split_pdf eq 'usenumber') {
1369: # Unmodified.
1370: } else {
1371: # Error!!!!
1372:
1373: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1374:
1375: }
1376: }
1377:
1378:
1379: sub character_chart {
1380: my $result = shift;
1381: return &Apache::entities::replace_entities($result);
1382: }
1383:
1384: sub old_character_chart {
1385: my $result = shift;
1386: $result =~ s/&\#0?0?(7|9);//g;
1387: $result =~ s/&\#0?(10|13);//g;
1388: $result =~ s/&\#0?32;/ /g;
1389: $result =~ s/&\#0?33;/!/g;
1390: $result =~ s/&(\#0?34|quot);/\"/g;
1391: $result =~ s/&\#0?35;/\\\#/g;
1392: $result =~ s/&\#0?36;/\\\$/g;
1393: $result =~ s/&\#0?37;/\\%/g;
1394: $result =~ s/&(\#0?38|amp);/\\&/g;
1395: $result =~ s/&\#(0?39|146);/\'/g;
1396: $result =~ s/&\#0?40;/(/g;
1397: $result =~ s/&\#0?41;/)/g;
1398: $result =~ s/&\#0?42;/\*/g;
1399: $result =~ s/&\#0?43;/\+/g;
1400: $result =~ s/&\#(0?44|130);/,/g;
1401: $result =~ s/&\#0?45;/-/g;
1402: $result =~ s/&\#0?46;/\./g;
1403: $result =~ s/&\#0?47;/\//g;
1404: $result =~ s/&\#0?48;/0/g;
1405: $result =~ s/&\#0?49;/1/g;
1406: $result =~ s/&\#0?50;/2/g;
1407: $result =~ s/&\#0?51;/3/g;
1408: $result =~ s/&\#0?52;/4/g;
1409: $result =~ s/&\#0?53;/5/g;
1410: $result =~ s/&\#0?54;/6/g;
1411: $result =~ s/&\#0?55;/7/g;
1412: $result =~ s/&\#0?56;/8/g;
1413: $result =~ s/&\#0?57;/9/g;
1414: $result =~ s/&\#0?58;/:/g;
1415: $result =~ s/&\#0?59;/;/g;
1416: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1417: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
1418: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1419: $result =~ s/&\#0?63;/\?/g;
1420: $result =~ s/&\#0?65;/A/g;
1421: $result =~ s/&\#0?66;/B/g;
1422: $result =~ s/&\#0?67;/C/g;
1423: $result =~ s/&\#0?68;/D/g;
1424: $result =~ s/&\#0?69;/E/g;
1425: $result =~ s/&\#0?70;/F/g;
1426: $result =~ s/&\#0?71;/G/g;
1427: $result =~ s/&\#0?72;/H/g;
1428: $result =~ s/&\#0?73;/I/g;
1429: $result =~ s/&\#0?74;/J/g;
1430: $result =~ s/&\#0?75;/K/g;
1431: $result =~ s/&\#0?76;/L/g;
1432: $result =~ s/&\#0?77;/M/g;
1433: $result =~ s/&\#0?78;/N/g;
1434: $result =~ s/&\#0?79;/O/g;
1435: $result =~ s/&\#0?80;/P/g;
1436: $result =~ s/&\#0?81;/Q/g;
1437: $result =~ s/&\#0?82;/R/g;
1438: $result =~ s/&\#0?83;/S/g;
1439: $result =~ s/&\#0?84;/T/g;
1440: $result =~ s/&\#0?85;/U/g;
1441: $result =~ s/&\#0?86;/V/g;
1442: $result =~ s/&\#0?87;/W/g;
1443: $result =~ s/&\#0?88;/X/g;
1444: $result =~ s/&\#0?89;/Y/g;
1445: $result =~ s/&\#0?90;/Z/g;
1446: $result =~ s/&\#0?91;/[/g;
1447: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1448: $result =~ s/&\#0?93;/]/g;
1449: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1450: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
1451: $result =~ s/&\#(0?96|145);/\`/g;
1452: $result =~ s/&\#0?97;/a/g;
1453: $result =~ s/&\#0?98;/b/g;
1454: $result =~ s/&\#0?99;/c/g;
1455: $result =~ s/&\#100;/d/g;
1456: $result =~ s/&\#101;/e/g;
1457: $result =~ s/&\#102;/f/g;
1458: $result =~ s/&\#103;/g/g;
1459: $result =~ s/&\#104;/h/g;
1460: $result =~ s/&\#105;/i/g;
1461: $result =~ s/&\#106;/j/g;
1462: $result =~ s/&\#107;/k/g;
1463: $result =~ s/&\#108;/l/g;
1464: $result =~ s/&\#109;/m/g;
1465: $result =~ s/&\#110;/n/g;
1466: $result =~ s/&\#111;/o/g;
1467: $result =~ s/&\#112;/p/g;
1468: $result =~ s/&\#113;/q/g;
1469: $result =~ s/&\#114;/r/g;
1470: $result =~ s/&\#115;/s/g;
1471: $result =~ s/&\#116;/t/g;
1472: $result =~ s/&\#117;/u/g;
1473: $result =~ s/&\#118;/v/g;
1474: $result =~ s/&\#119;/w/g;
1475: $result =~ s/&\#120;/x/g;
1476: $result =~ s/&\#121;/y/g;
1477: $result =~ s/&\#122;/z/g;
1478: $result =~ s/&\#123;/\\{/g;
1479: $result =~ s/&\#124;/\|/g;
1480: $result =~ s/&\#125;/\\}/g;
1481: $result =~ s/&\#126;/\~/g;
1482: $result =~ s/&\#131;/\\textflorin /g;
1483: $result =~ s/&\#132;/\"/g;
1484: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
1485: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
1486: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1487: $result =~ s/&\#137;/\\textperthousand /g;
1488: $result =~ s/&\#140;/{\\OE}/g;
1489: $result =~ s/&\#147;/\`\`/g;
1490: $result =~ s/&\#148;/\'\'/g;
1491: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1492: $result =~ s/&(\#150|\#8211);/--/g;
1493: $result =~ s/&\#151;/---/g;
1494: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1495: $result =~ s/&\#153;/\\texttrademark /g;
1496: $result =~ s/&\#156;/\\oe/g;
1497: $result =~ s/&\#159;/\\\"Y/g;
1498: $result =~ s/&(\#160|nbsp);/~/g;
1499: $result =~ s/&(\#161|iexcl);/!\`/g;
1500: $result =~ s/&(\#162|cent);/\\textcent /g;
1501: $result =~ s/&(\#163|pound);/\\pounds /g;
1502: $result =~ s/&(\#164|curren);/\\textcurrency /g;
1503: $result =~ s/&(\#165|yen);/\\textyen /g;
1504: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
1505: $result =~ s/&(\#167|sect);/\\textsection /g;
1506: $result =~ s/&(\#168|uml);/\\"\{\} /g;
1507: $result =~ s/&(\#169|copy);/\\copyright /g;
1508: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1509: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1510: $result =~ s/&(\#173|shy);/ - /g;
1511: $result =~ s/&(\#174|reg);/\\textregistered /g;
1512: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
1513: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
1514: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
1515: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
1516: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1517: $result =~ s/&(\#180|acute);/\\'\{\} /g;
1518: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1519: $result =~ s/&(\#182|para);/\\P/g;
1520: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1521: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1522: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1523: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
1524: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
1525: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
1526: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
1527: $result =~ s/&(\#191|iquest);/?\`/g;
1528: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
1529: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
1530: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
1531: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
1532: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
1533: $result =~ s/&(\#197|Aring);/{\\AA}/g;
1534: $result =~ s/&(\#198|AElig);/{\\AE}/g;
1535: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
1536: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
1537: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
1538: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
1539: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
1540: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
1541: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
1542: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
1543: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
1544: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
1545: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
1546: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
1547: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
1548: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
1549: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
1550: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1551: $result =~ s/&(\#216|Oslash);/{\\O}/g;
1552: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
1553: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
1554: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
1555: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
1556: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1557: $result =~ s/&(\#223|szlig);/{\\ss}/g;
1558: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
1559: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
1560: $result =~ s/&(\#226|acirc);/\\^{a}/g;
1561: $result =~ s/&(\#227|atilde);/\\~{a}/g;
1562: $result =~ s/&(\#228|auml);/\\\"{a}/g;
1563: $result =~ s/&(\#229|aring);/{\\aa}/g;
1564: $result =~ s/&(\#230|aelig);/{\\ae}/g;
1565: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
1566: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
1567: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
1568: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
1569: $result =~ s/&(\#235|euml);/\\\"{e}/g;
1570: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
1571: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
1572: $result =~ s/&(\#238|icirc);/\\^{i}/g;
1573: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1574: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1575: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
1576: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
1577: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
1578: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
1579: $result =~ s/&(\#245|otilde);/\\~{o}/g;
1580: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1581: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1582: $result =~ s/&(\#248|oslash);/{\\o}/g;
1583: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
1584: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
1585: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
1586: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
1587: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
1588: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1589: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1590: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1591: #Greek Alphabet
1592: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
1593: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
1594: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
1595: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
1596: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
1597: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
1598: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
1599: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
1600: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
1601: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
1602: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
1603: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
1604: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
1605: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1606: $result =~ s/&(omicron|\#959);/o/g;
1607: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
1608: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
1609: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
1610: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
1611: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
1612: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
1613: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
1614: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
1615: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
1616: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
1617: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1618: $result =~ s/&(Alpha|\#913);/A/g;
1619: $result =~ s/&(Beta|\#914);/B/g;
1620: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
1621: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1622: $result =~ s/&(Epsilon|\#917);/E/g;
1623: $result =~ s/&(Zeta|\#918);/Z/g;
1624: $result =~ s/&(Eta|\#919);/H/g;
1625: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1626: $result =~ s/&(Iota|\#921);/I/g;
1627: $result =~ s/&(Kappa|\#922);/K/g;
1628: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1629: $result =~ s/&(Mu|\#924);/M/g;
1630: $result =~ s/&(Nu|\#925);/N/g;
1631: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1632: $result =~ s/&(Omicron|\#927);/O/g;
1633: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1634: $result =~ s/&(Rho|\#929);/P/g;
1635: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1636: $result =~ s/&(Tau|\#932);/T/g;
1637: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
1638: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1639: $result =~ s/&(Chi|\#935);/X/g;
1640: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
1641: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1642: #Arrows (extended HTML 4.01)
1643: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
1644: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
1645: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
1646: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
1647: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
1648: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
1649: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
1650: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
1651: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
1652: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1653: #Mathematical Operators (extended HTML 4.01)
1654: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
1655: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
1656: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
1657: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
1658: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
1659: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
1660: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
1661: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
1662: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
1663: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
1664: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1665: $result =~ s/–/\\ensuremath\{-\}/g;
1666: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
1667: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
1668: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
1669: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
1670: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
1671: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
1672: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
1673: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
1674: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
1675: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
1676: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
1677: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
1678: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
1679: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
1680: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
1681: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
1682: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
1683: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
1684: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
1685: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
1686: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
1687: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
1688: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
1689: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
1690: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
1691: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1692: #Geometric Shapes (extended HTML 4.01)
1693: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1694: #Miscellaneous Symbols (extended HTML 4.01)
1695: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
1696: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
1697: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
1698: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1699: # Chemically useful 'things' contributed by Hon Kie (bug 4652).
1700:
1701: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
1702: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
1703: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
1704: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
1705: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
1706: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
1707: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
1708: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
1709: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
1710: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
1711: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
1712: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
1713: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1714:
1715: # Left/right quotations:
1716:
1717: $result =~ s/&(ldquo|#8220);/\`\`/g;
1718: $result =~ s/&(rdquo|#8221);/\'\'/g;
1719:
1720:
1721:
1722: return $result;
1723: }
1724:
1725:
1726: #width, height, oddsidemargin, evensidemargin, topmargin
1727: my %page_formats=
1728: ('letter' => {
1729: 'book' => {
1730: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
1731: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1732: },
1733: 'album' => {
1734: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'],
1735: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1736: },
1737: },
1738: 'legal' => {
1739: 'book' => {
1740: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1741: '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1742: },
1743: 'album' => {
1744: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
1745: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1746: },
1747: },
1748: 'tabloid' => {
1749: 'book' => {
1750: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
1751: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
1752: },
1753: 'album' => {
1754: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
1755: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1756: },
1757: },
1758: 'executive' => {
1759: 'book' => {
1760: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
1761: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
1762: },
1763: 'album' => {
1764: '1' => [],
1765: '2' => []
1766: },
1767: },
1768: 'a2' => {
1769: 'book' => {
1770: '1' => [],
1771: '2' => []
1772: },
1773: 'album' => {
1774: '1' => [],
1775: '2' => []
1776: },
1777: },
1778: 'a3' => {
1779: 'book' => {
1780: '1' => [],
1781: '2' => []
1782: },
1783: 'album' => {
1784: '1' => [],
1785: '2' => []
1786: },
1787: },
1788: 'a4' => {
1789: 'book' => {
1790: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1791: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1792: },
1793: 'album' => {
1794: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1795: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1796: },
1797: },
1798: 'a5' => {
1799: 'book' => {
1800: '1' => [],
1801: '2' => []
1802: },
1803: 'album' => {
1804: '1' => [],
1805: '2' => []
1806: },
1807: },
1808: 'a6' => {
1809: 'book' => {
1810: '1' => [],
1811: '2' => []
1812: },
1813: 'album' => {
1814: '1' => [],
1815: '2' => []
1816: },
1817: },
1818: );
1819:
1820: sub page_format {
1821: #
1822: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1823: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1824: # "A2 [420x594 mm]", "A3 [297x420 mm]",
1825: # "A4 [210x297 mm]", "A5 [148x210 mm]",
1826: # "A6 [105x148 mm]"
1827: #
1828: my ($papersize,$layout,$numberofcolumns) = @_;
1829: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1830: }
1831:
1832:
1833: sub get_name {
1834: my ($uname,$udom)=@_;
1835: if (!defined($uname)) { $uname=$env{'user.name'}; }
1836: if (!defined($udom)) { $udom=$env{'user.domain'}; }
1837: my $plainname=&Apache::loncommon::plainname($uname,$udom);
1838: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1839: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1840: return $plainname;
1841: }
1842:
1843: sub get_course {
1844: my $courseidinfo;
1845: if (defined($env{'request.course.id'})) {
1846: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1847: my $sec = $env{'request.course.sec'};
1848:
1849: }
1850: return $courseidinfo;
1851: }
1852:
1853: sub page_format_transformation {
1854: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
1855: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1856:
1857: if ($selectionmade eq '4') {
1858: if ($choice eq 'all_problems') {
1859: $assignment=&mt('Problems from the Whole Course');
1860: } else {
1861: $assignment=&mt('Resources from the Whole Course');
1862: }
1863: } else {
1864: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
1865: }
1866: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1867:
1868:
1869: my $name = &get_name();
1870: my $courseidinfo = &get_course();
1871: my $header_text = $parmhash{'print_header_format'};
1872: $header_text = &format_page_header($textwidth, $header_text, $assignment,
1873: $courseidinfo, $name);
1874: my $topmargintoinsert = '';
1875: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1876: my $fancypagestatement='';
1877: if ($numberofcolumns eq '2') {
1878: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1879: } else {
1880: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1881: }
1882: if ($layout eq 'album') {
1883: $text =~ s/\\begin\{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1884: } elsif ($layout eq 'book') {
1885: if ($choice ne 'All class print') {
1886: $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/;
1887: } else {
1888: $text =~ s/\\pagestyle\{fancy}\\rhead\{}\\chead\{}\s*\\begin\{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
1889: }
1890: if ($papersize eq 'a4') {
1891: my $papersize_text;
1892: if ($perm{'pav'}) {
1893: $papersize_text = '\\special{papersize=210mm,297mm}';
1894: } else {
1895: $papersize_text = '\special{papersize=210mm,297mm}';
1896: }
1897: $text =~ s/(\\begin\{document})/$1$papersize_text/;
1898: }
1899: }
1900: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
1901: if ($indexlist eq 'yes') {
1902: $text=~s/(\\begin\{document})/\\makeindex $1/;
1903: $text=~s/(\\end\{document})/\\strut\\\\\\strut\\printindex $1/;
1904: }
1905: return $text;
1906: }
1907:
1908:
1909: sub page_cleanup {
1910: my $result = shift;
1911:
1912: $result =~ m/\\end\{document}(\d*)$/;
1913: my $number_of_columns = $1;
1914: my $insert = '{';
1915: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1916: $insert .= '}';
1917: $result =~ s/(\\begin\{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1918: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
1919: return $result,$number_of_columns;
1920: }
1921:
1922:
1923: sub details_for_menu {
1924: my ($helper)=@_;
1925: my $postdata=$env{'form.postdata'};
1926: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
1927: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
1928: my $symbolic = &Apache::lonnet::symbread($postdata);
1929: return if ( $symbolic eq '');
1930:
1931: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1932: $map=&Apache::lonnet::clutter($map);
1933: my $name_of_sequence = &Apache::lonnet::gettitle($map);
1934: if ($name_of_sequence =~ /^\s*$/) {
1935: $map =~ m|([^/]+)$|;
1936: $name_of_sequence = $1;
1937: }
1938: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1939: if ($name_of_map =~ /^\s*$/) {
1940: $env{'request.course.uri'} =~ m|([^/]+)$|;
1941: $name_of_map = $1;
1942: }
1943: return ($name_of_resource,$name_of_sequence,$name_of_map);
1944: }
1945:
1946: sub copyright_line {
1947: 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 } ';
1948: }
1949: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1950:
1951: sub latex_corrections {
1952: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1953: # $result =~ s/\\includegraphics\{/\\includegraphics\[width=\\minipagewidth\]{/g;
1954: my $copyright = ©right_line();
1955: if ($selectionmade eq '1' || $answer_mode eq 'only') {
1956: $result =~ s/(\\end\{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1957: } else {
1958: $result =~ s/(\\end\{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1959: }
1960: $result =~ s/\$number_of_columns/$number_of_columns/g;
1961: $result =~ s/(\\end\{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]\{\\hrulefill})/$2$1/g;
1962: $result =~ s/(\\end\{longtable}\s*)\\strut\\newline/$1/g;
1963: #-- LaTeX corrections
1964: my $first_comment = index($result,'<!--',0);
1965: while ($first_comment != -1) {
1966: my $end_comment = index($result,'-->',$first_comment);
1967: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
1968: $first_comment = index($result,'<!--',$first_comment);
1969: }
1970: $result =~ s/^\s+$//gm; #remove empty lines
1971: #removes more than one empty space
1972: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1973: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
1974: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
1975: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1976: $result =~ s/\\\\\s+\[/ \[/g;
1977: #conversion of html characters to LaTeX equivalents
1978: if ($result =~ m/&(\w+|#\d+);/) {
1979: $result = &character_chart($result);
1980: }
1981: $result =~ s/(\\end\{tabular})\s*\\vskip 0 mm/$1/g;
1982: $result =~ s/(\\begin\{enumerate})\s*\\noindent/$1/g;
1983: return $result;
1984: }
1985:
1986:
1987: sub index_table {
1988: my $currentURL = shift;
1989: my $insex_string='';
1990: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
1991: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
1992: return $insex_string;
1993: }
1994:
1995:
1996: sub IndexCreation {
1997: my ($texversion,$currentURL)=@_;
1998: my @key_words=split(/,/,&index_table($currentURL));
1999: my $chunk='';
2000: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
2001: if ($st>0) {
2002: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
2003: $chunk=substr($texversion,0,$st+1);
2004: substr($texversion,0,$st+1)=' ';
2005: }
2006: foreach my $key_word (@key_words) {
2007: if ($key_word=~/\S+/) {
2008: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
2009: }
2010: }
2011: if ($st>0) {substr($texversion,0,1)=$chunk;}
2012: return $texversion;
2013: }
2014:
2015: sub print_latex_header {
2016: my $mode=shift;
2017:
2018: return &Apache::londefdef::latex_header($mode);
2019: }
2020:
2021: sub path_to_problem {
2022: my ($urlp,$colwidth)=@_;
2023: $urlp=&Apache::lonnet::clutter($urlp);
2024:
2025: my $newurlp = '';
2026: $colwidth=~s/\s*mm\s*$//;
2027: #characters average about 2 mm in width
2028: if (length($urlp)*2 > $colwidth) {
2029: my @elements = split('/',$urlp);
2030: my $curlength=0;
2031: foreach my $element (@elements) {
2032: if ($element eq '') { next; }
2033: if ($curlength+(length($element)*2) > $colwidth) {
2034: $newurlp .= '|\vskip -1 mm \verb|';
2035: $curlength=length($element)*2;
2036: } else {
2037: $curlength+=length($element)*2;
2038: }
2039: $newurlp.='/'.$element;
2040: }
2041: } else {
2042: $newurlp=$urlp;
2043: }
2044: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
2045: }
2046:
2047: sub recalcto_mm {
2048: my $textwidth=shift;
2049: my $LaTeXwidth;
2050: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
2051: $LaTeXwidth = $1*10;
2052: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
2053: $LaTeXwidth = $1;
2054: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
2055: $LaTeXwidth = $1*25.4;
2056: }
2057: $LaTeXwidth.=' mm';
2058: return $LaTeXwidth;
2059: }
2060:
2061: sub get_textwidth {
2062: my ($helper,$LaTeXwidth)=@_;
2063: my $textwidth=$LaTeXwidth;
2064: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
2065: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
2066: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
2067: $helper->{'VARS'}->{'pagesize.widthunit'});
2068: }
2069: return $textwidth;
2070: }
2071:
2072:
2073: sub unsupported {
2074: my ($currentURL,$mode,$symb)=@_;
2075: my $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
2076: my $shown = $currentURL;
2077: if (($cleanURL ne $currentURL) || ($symb =~ m{/^enc/})) {
2078: $shown = &mt('URL not shown (encrypted)');
2079: }
2080: if ($mode ne '') {$mode='\\'.$mode}
2081: my $result = &print_latex_header($mode);
2082: if ($cleanURL=~m|^(/adm/wrapper)?/ext/|) {
2083: $cleanURL=~s|^(/adm/wrapper)?/ext/|http://|;
2084: $cleanURL=~s|^http://https://|https://|;
2085: if ($shown eq $currentURL) {
2086: $shown = &Apache::lonxml::latex_special_symbols($cleanURL);
2087: }
2088: my $title=&Apache::lonnet::gettitle($symb);
2089: $title = &Apache::lonxml::latex_special_symbols($title);
2090: $result.=' \strut \\\\ \textit{'.$title.'} \strut \\\\ '.$shown.' ';
2091: } else {
2092: if ($shown eq $currentURL) {
2093: $result.=&Apache::lonxml::latex_special_symbols($currentURL);
2094: } else {
2095: $result.=$shown;
2096: }
2097: }
2098: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2099: return $result;
2100: }
2101:
2102: #
2103: # Map from helper layout style to the book/album:
2104: #
2105: sub map_laystyle {
2106: my ($laystyle) = @_;
2107: if ($laystyle eq 'L') {
2108: $laystyle='album';
2109: } else {
2110: $laystyle='book';
2111: }
2112: return $laystyle;
2113: }
2114:
2115: sub print_page_in_course {
2116: my ($helper, $rparmhash, $currentURL, $resources) = @_;
2117:
2118: my %parmhash = %$rparmhash;
2119: my @page_resources = @$resources;
2120: my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
2121: my $symb = $helper->{'VARS'}->{'symb'};
2122:
2123:
2124: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2125:
2126:
2127: my @temporary_array=split /\|/,$format_from_helper;
2128: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2129: $laystyle = &map_laystyle($laystyle);
2130: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
2131: $numberofcolumns);
2132: my $LaTeXwidth=&recalcto_mm($textwidth);
2133:
2134: if ($mode ne '') {$mode='\\'.$mode}
2135: my $result = &print_latex_header($mode);
2136:
2137: my $title=&Apache::lonnet::gettitle($currentURL);
2138: $title = &Apache::lonxml::latex_special_symbols($title);
2139: $result .= '\noindent\textit{'.$title.'}\\\\';
2140:
2141: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2142: &Apache::lonnet::appenv({'construct.style' =>
2143: $helper->{'VARS'}->{'style_file'}});
2144: } elsif ($env{'construct.style'}) {
2145: &Apache::lonnet::delenv('construct.style');
2146: }
2147:
2148: # First is the overall page description. This is then followed by the
2149: # components of the page. Each of which must be printed independently.
2150: my $the_page = shift(@page_resources);
2151:
2152:
2153: foreach my $resource (@page_resources) {
2154: my $resource_src = $resource->src(); # Essentially the URL of the resource.
2155: my $current_url = $resource->link();
2156:
2157: # Recurse if a .page:
2158:
2159: if ($resource_src =~ /.page$/i) {
2160: my $navmap = Apache::lonnavmaps::navmap->new();
2161: my @page_resources = $navmap->retrieveResources($resource_src);
2162: $result .= &print_page_in_course($helper, $rparmhash,
2163: $resource_src, \@page_resources);
2164: } elsif ($resource->ext()) {
2165: $result.=&latex_header_footer_remove(&unsupported($current_url,$mode,$resource->symb));
2166: } elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2167: # these resources go through the XML transformer:
2168: $result .= &Apache::lonxml::latex_special_symbols($resource->title()) . '\\\\';
2169:
2170: my $urlp = &Apache::lonnet::clutter($resource_src);
2171:
2172: my %form;
2173: my %moreenv;
2174:
2175: &Apache::lonxml::remember_problem_counter();
2176: $moreenv{'request.filename'}=$urlp;
2177: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2178:
2179: $form{'grade_target'} = 'tex';
2180: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2181: $form{'pdfFormFields'} = $pdfFormFields; #
2182: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2183:
2184: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2185: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2186: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2187: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2188: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2189: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2190: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2191: $form{'problem_split'}='yes';
2192: }
2193: my $rndseed = time;
2194: if ($helper->{'VARS'}->{'curseed'}) {
2195: $rndseed=$helper->{'VARS'}->{'curseed'};
2196: }
2197: $form{'rndseed'}=$rndseed;
2198: &Apache::lonnet::appenv(\%moreenv);
2199:
2200: &Apache::lonxml::clear_problem_counter();
2201:
2202: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
2203:
2204:
2205: # current document with answers.. no need to encap in minipage
2206: # since there's only one answer.
2207:
2208: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2209: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2210: my %answerform = %form;
2211:
2212:
2213: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2214: $answerform{'grade_target'}='answer';
2215: $answerform{'answer_output_mode'}='tex';
2216: $answerform{'rndseed'}=$rndseed;
2217: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2218: $answerform{'problemtype'}='exam';
2219: }
2220: $resources_printed .= $urlp.':';
2221: my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
2222:
2223: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2224: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
2225: } else {
2226: $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2227: if ($helper->{'VARS'}->{'construction'} ne '1') {
2228: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2229: $title = &Apache::lonxml::latex_special_symbols($title);
2230: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2231: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2232: } else {
2233: $texversion.='\vskip 0 mm \noindent\textbf{'.
2234: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
2235: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2236: }
2237: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2238: }
2239:
2240:
2241:
2242:
2243:
2244: }
2245: # Print annotations.
2246:
2247:
2248: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2249: my $annotation .= &annotate($currentURL);
2250: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
2251: }
2252:
2253: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2254: $texversion=&IndexCreation($texversion,$currentURL);
2255: }
2256: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2257: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2258:
2259: }
2260: $texversion = &latex_header_footer_remove($texversion);
2261:
2262: # the first remaining line is a comment from londefdef the second
2263: # line seems to be an extraneous \vskip 1mm \\\\ :
2264: # (imperfect removal from header_footer_remove?
2265:
2266: $texversion =~ s/\\vskip 1mm \\\\\\\\//;
2267:
2268: $result .= $texversion;
2269: if ($currentURL=~m/\.page\s*$/) {
2270: ($result,$numberofcolumns) = &page_cleanup($result);
2271: }
2272: }
2273: }
2274:
2275: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2276: return $result;
2277: }
2278:
2279:
2280: #
2281: # List of recently generated print files
2282: #
2283: sub recently_generated {
2284: my ($prtspool) = @_;
2285: my $output;
2286: my $zip_result;
2287: my $pdf_result;
2288: opendir(DIR,$prtspool);
2289:
2290: my @files =
2291: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
2292: closedir(DIR);
2293:
2294: @files = sort {
2295: my ($actime) = (stat($prtspool.'/'.$a))[10];
2296: my ($bctime) = (stat($prtspool.'/'.$b))[10];
2297: return $bctime <=> $actime;
2298: } (@files);
2299:
2300: foreach my $filename (@files) {
2301: my ($ext) = ($filename =~ m/(pdf|zip)$/);
2302: my ($cdev,$cino,$cmode,$cnlink,
2303: $cuid,$cgid,$crdev,$csize,
2304: $catime,$cmtime,$cctime,
2305: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
2306: my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
2307: my $result=&Apache::loncommon::start_data_table_row()
2308: .'<td>'
2309: .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
2310: .'</td>'
2311: .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
2312: .'<td align="right">'.$csize.'</td>'
2313: .&Apache::loncommon::end_data_table_row();
2314: if ($ext eq 'pdf') { $pdf_result .= $result; }
2315: if ($ext eq 'zip') { $zip_result .= $result; }
2316: }
2317: if ($zip_result || $pdf_result) {
2318: $output ='<hr />';
2319: }
2320: if ($zip_result) {
2321: $output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
2322: .&Apache::loncommon::start_data_table()
2323: .&Apache::loncommon::start_data_table_header_row()
2324: .'<th>'.&mt('Download').'</th>'
2325: .'<th>'.&mt('Creation Date').'</th>'
2326: .'<th>'.&mt('File Size (Bytes)').'</th>'
2327: .&Apache::loncommon::end_data_table_header_row()
2328: .$zip_result
2329: .&Apache::loncommon::end_data_table();
2330: }
2331: if ($pdf_result) {
2332: $output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
2333: .&Apache::loncommon::start_data_table()
2334: .&Apache::loncommon::start_data_table_header_row()
2335: .'<th>'.&mt('Download').'</th>'
2336: .'<th>'.&mt('Creation Date').'</th>'
2337: .'<th>'.&mt('File Size (Bytes)').'</th>'
2338: .&Apache::loncommon::end_data_table_header_row()
2339: .$pdf_result
2340: .&Apache::loncommon::end_data_table();
2341: }
2342: return $output;
2343: }
2344:
2345: #
2346: # Retrieve the hash of page breaks.
2347: #
2348: # Inputs:
2349: # helper - reference to helper object.
2350: # Outputs
2351: # A reference to a page break hash.
2352: #
2353: #
2354: # use Data::Dumper;
2355: # sub dump_helper_vars {
2356: # my ($helper) = @_;
2357: # my $helpervars = Dumper($helper->{'VARS'});
2358: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
2359: #}
2360:
2361: sub get_page_breaks {
2362: my ($helper) = @_;
2363: my %page_breaks;
2364:
2365: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
2366: $page_breaks{$break} = 1;
2367: }
2368: return %page_breaks;
2369: }
2370: #
2371: # Returns text to insert for any extra vskip prior to the resource.
2372: # Parameters:
2373: # helper - Reference to the helper object driving the printout.
2374: # resource - Identifies the resource about to be printed.
2375: #
2376: # This is done as follows:
2377: # POSSIBLE_RESOURCES has the list of possible resources.
2378: # EXTRASPACE has the list of extra space values.
2379: # EXTRASPACE_UNITS is the set of resources for which the units are
2380: # mm. All others are 'in'.
2381: #
2382: # The resource is found in the POSSIBLE_RESOURCES to get the index
2383: # of the EXTRASPACE value.
2384: #
2385: # In order to speed this up for lengthy printouts, the first time,
2386: # POSSIBLE_RESOURCES is turned into a look up hash and
2387: # EXTRASPACE is turned into an array.
2388: #
2389:
2390:
2391: my %possible_resources;
2392: my %extraspace_mm;
2393: my @extraspace;
2394: my $skips_loaded = 0;
2395:
2396: # Function to load the skips hash and array
2397:
2398: sub load_skips {
2399:
2400: my ($helper) = @_;
2401:
2402: # If this is the first time, unrap the resources and extra spaces:
2403:
2404: if (!$skips_loaded) {
2405: @extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
2406: my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
2407: my $i = 0;
2408: foreach my $resource (@resource_list) {
2409: $possible_resources{$resource} = $i;
2410: $i++;
2411: }
2412: foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
2413: $extraspace_mm{$mm_resource} = 1;
2414: }
2415: $skips_loaded = 1;
2416: }
2417: }
2418:
2419: sub get_extra_vspaces {
2420: my ($helper, $resource) = @_;
2421:
2422: &load_skips($helper);
2423:
2424: # Lookup the resource in the possible resources hash.. that is the index
2425: # into the extraspace array that gives us either an empty string or
2426: # the number of mm to skip:
2427:
2428: my $index = $possible_resources{$resource};
2429: my $skip = $extraspace[$index];
2430:
2431: my $result = '';
2432: if ($skip ne '') {
2433: my $units = 'in';
2434: if (defined($extraspace_mm{$resource})) {
2435: $units = 'mm';
2436: }
2437: $result = '\vskip '.$skip.' '.$units;
2438: }
2439:
2440:
2441: return $result;
2442:
2443:
2444: }
2445:
2446: #
2447: # The resource chooser part of the helper needs more than just
2448: # the value of the extraspaces var to recover the value into a text
2449: # field option. This sub produces the required format for the saved var:
2450: # specifically
2451: # ||| separated fields of the form resourcename=value
2452: #
2453: # Parameters:
2454: # $helper - Refers to the helper we are configuring
2455: # Implicit input:
2456: # $helper->{'VARS'}->{'EXTRASPACE'} - the spaces helper var has the text field
2457: # value.
2458: # $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
2459: # $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} - has the list of resources. |||
2460: # separated of course.
2461: # Implicit outputs:
2462: # $env{'form.extraspace'}
2463: # $env{'form.extraspace_units'}
2464: #
2465: sub set_form_extraspace {
2466: my ($helper) = @_;
2467:
2468: # the most convenient way to do this is to drive from the skips arrays/hash.
2469: # may not be the fastest, but this is once per print request so it's not so
2470: # speed critical:
2471:
2472: &load_skips($helper);
2473:
2474: my $result = '';
2475:
2476: foreach my $resource (keys(%possible_resources)) {
2477: my $vskip = $extraspace[$possible_resources{$resource}];
2478: $result .= $resource .'=' . $vskip . '|||';
2479: }
2480:
2481: $env{'form.extraspace'} = $result;
2482: $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
2483: return $result;
2484:
2485: }
2486:
2487: # Output a sequence (recursively if neeed)
2488: # from construction space.
2489: # Parameters:
2490: # url = URL of the sequence to print.
2491: # helper - Reference to the helper hash.
2492: # form - Copy of the format hash.
2493: # LaTeXWidth
2494: # Returns:
2495: # Text to add to the printout.
2496: # NOTE if the first element of the outermost sequence
2497: # is itself a sequence, the outermost caller may need to
2498: # prefix the latex with the page headers stuff.
2499: #
2500: sub print_construction_sequence {
2501: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
2502:
2503: my $result;
2504: my $rndseed=time;
2505: if ($helper->{'VARS'}->{'curseed'}) {
2506: $rndseed=$helper->{'VARS'}->{'curseed'};
2507: }
2508: my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL));
2509:
2510: #
2511: # These make this all support recursing for subsequences.
2512: #
2513: my @order = @LONCAPA::map::order;
2514: my @resources = @LONCAPA::map::resources;
2515:
2516: for (my $member=0;$member<=$#order;$member++) {
2517: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
2518: my $urlp=$2;
2519: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2520: my $texversion='';
2521: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2522: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2523: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2524: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2525: $form{'rndseed'}=$rndseed;
2526: $resources_printed .=$urlp.':';
2527: $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2528: }
2529: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2530: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
2531: ($urlp=~/$LONCAPA::assess_page_re/)) {
2532: # Don't permanently modify %$form...
2533: my %answerform = %form;
2534: $answerform{'grade_target'}='answer';
2535: $answerform{'answer_output_mode'}='tex';
2536: $answerform{'rndseed'}=$rndseed;
2537: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2538: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
2539: $resources_printed .= $urlp.':';
2540: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2541: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2542: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
2543: } else {
2544: # If necessary, encapsulate answer in minipage:
2545:
2546: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2547: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2548: $title = &Apache::lonxml::latex_special_symbols($title);
2549: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2550: $body.=&path_to_problem($urlp,$LaTeXwidth);
2551: $body.='\vskip 1 mm '.$answer.'\end{document}';
2552: $body = &encapsulate_minipage($body,$answerform{'problem_split'});
2553: $texversion.=$body;
2554: }
2555: }
2556: $texversion = &latex_header_footer_remove($texversion);
2557:
2558: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2559: $texversion=&IndexCreation($texversion,$urlp);
2560: }
2561: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2562: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
2563: }
2564: $result.=$texversion;
2565:
2566: } elsif ($urlp=~/\.(sequence|page)$/) {
2567:
2568: # header:
2569:
2570: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
2571:
2572: # IF sequence, recurse:
2573:
2574: if ($urlp =~ /\.sequence$/) {
2575: $result .= &print_construction_sequence($urlp,
2576: $helper, %form,
2577: $LaTeXwidth);
2578: }
2579: }
2580: elsif ($urlp =~ /\.pdf$/i) {
2581: my $texversion;
2582: if ($member != 0) {
2583: $texversion .= '\cleardoublepage';
2584: }
2585:
2586: $texversion .= &include_pdf($urlp);
2587: $texversion = &latex_header_footer_remove($texversion);
2588: if ($member != $#order) {
2589: $texversion .= '\\ \cleardoublepage';
2590: }
2591:
2592: $result .= $texversion;
2593: }
2594: }
2595: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin\{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
2596: return $result;
2597: }
2598:
2599: #
2600: # Top level for generating print output.
2601: #
2602: # May call print_resources if multiple resources will be printed.
2603: #
2604: # The main driver is $selectionmade which reflects the type of print out
2605: # requested:
2606: # Value Print type:
2607: # 1 Print resource that's being looked at.
2608: # 2 Print problems in a map or in a page.
2609: # 3 Print pages in a map or resources in a page.
2610: # 4 Print all problems or all resources.
2611: # 5 Print problems for seleted students.
2612: # 6 Print selected problems from a folder.
2613: # 7 Print print selected resources from some scope.
2614: # 8 Print resources for selected students.
2615: #
2616: #BZ 5209
2617: # 2 map_incomplete_problems_seq Print incomplete problems from the current
2618: # folder in student context.
2619: # 5 map_incomplete_problems_people_seq Print incomplete problems from the
2620: # current folder in privileged context.
2621: # 5 incomplete_problems_selpeople_course Print incomplete problems for
2622: # selected people from the entire course.
2623: #
2624: # Item 101 has much the same processing as 8,
2625: #
2626: # Differences: Item 101, 102 require per-student filtering of the resource
2627: # set so that only the incomplete resources are printed.
2628: # For item 100, filtering was done at the helper level.
2629:
2630: sub output_data {
2631:
2632: my ($r,$helper,$rparmhash) = @_;
2633: my %parmhash = %$rparmhash;
2634: $ssi_error = 0; # This will be set nonzero by failing ssi's.
2635: $resources_printed = '';
2636: $font_size = $helper->{'VARS'}->{'fontsize'};
2637: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
2638: my $do_postprocessing = 1;
2639: my $js = <<ENDPART;
2640: <script type="text/javascript">
2641: var editbrowser;
2642: function openbrowser(formname,elementname,only,omit) {
2643: var url = '/res/?';
2644: if (editbrowser == null) {
2645: url += 'launch=1&';
2646: }
2647: url += 'catalogmode=interactive&';
2648: url += 'mode=parmset&';
2649: url += 'form=' + formname + '&';
2650: if (only != null) {
2651: url += 'only=' + only + '&';
2652: }
2653: if (omit != null) {
2654: url += 'omit=' + omit + '&';
2655: }
2656: url += 'element=' + elementname + '';
2657: var title = 'Browser';
2658: var options = 'scrollbars=1,resizable=1,menubar=0';
2659: options += ',width=700,height=600';
2660: editbrowser = open(url,title,options,'1');
2661: editbrowser.focus();
2662: }
2663: </script>
2664: ENDPART
2665:
2666:
2667: # Breadcrumbs
2668: #FIXME: Choose better/different breadcrumbs?!? Links?
2669: my $brcrum = [{'href' => '',
2670: 'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
2671: {'href' => '',
2672: 'text' => 'Preparing Printout'}];
2673:
2674: my $start_page = &Apache::loncommon::start_page('Preparing Printout',
2675: $js,
2676: {'bread_crumbs' => $brcrum,});
2677: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
2678:
2679: $r->print($start_page."\n<p>\n$msg\n</p>\n");
2680:
2681: # fetch the pagebreaks and store them in the course environment
2682: # The page breaks will be pulled into the hash %page_breaks which is
2683: # indexed by symb and contains 1's for each break.
2684:
2685: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
2686: &set_form_extraspace($helper);
2687: $env{'form.lastprinttype'} = $print_type;
2688: &Apache::loncommon::store_course_settings('print',
2689: {'pagebreaks' => 'scalar',
2690: 'extraspace' => 'scalar',
2691: 'extraspace_units' => 'scalar',
2692: 'lastprinttype' => 'scalar'});
2693: my %page_breaks = &get_page_breaks($helper);
2694:
2695: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2696: my ($result,$selectionmade) = ('','');
2697: my $number_of_columns = 1; #used only for pages to determine the width of the cell
2698: my @temporary_array=split /\|/,$format_from_helper;
2699: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2700:
2701: $laystyle = &map_laystyle($laystyle);
2702: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
2703: my $assignment = $env{'form.assignment'};
2704: my $LaTeXwidth=&recalcto_mm($textwidth);
2705: my @print_array=();
2706: my @student_names=();
2707:
2708:
2709: # Common settings for the %form has:
2710: # In some cases these settings get overriddent by specific cases, but the
2711: # settings are common enough to make it worthwhile factoring them out
2712: # here.
2713: #
2714: my %form;
2715: $form{'grade_target'} = 'tex';
2716: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2717: $form{'pdfFormFields'} = $pdfFormFields;
2718:
2719: # If form.showallfoils is set, then request all foils be shown:
2720: # privilege will be enforced both by not allowing the
2721: # check box selecting this option to be presnt unless it's ok,
2722: # and by lonresponse's priv. check.
2723: # The if is here because lonresponse.pm only cares that
2724: # showallfoils is defined, not what the value is.
2725:
2726: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
2727: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2728: }
2729:
2730: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2731: &Apache::lonnet::appenv({'construct.style' =>
2732: $helper->{'VARS'}->{'style_file'}});
2733: } elsif ($env{'construct.style'}) {
2734: &Apache::lonnet::delenv('construct.style');
2735: }
2736:
2737: if ($print_type eq 'current_document') {
2738: #-- single document - problem, page, html, xml, ...
2739: my ($currentURL,$cleanURL);
2740:
2741: if ($helper->{'VARS'}->{'construction'} ne '1') {
2742: #prints published resource
2743: $currentURL=$helper->{'VARS'}->{'postdata'};
2744: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
2745: } else {
2746:
2747: #prints resource from the construction space
2748: $currentURL=$helper->{'VARS'}->{'filename'};
2749: $cleanURL=$currentURL;
2750: }
2751: $selectionmade = 1;
2752:
2753: if ($cleanURL!~m|^/adm/|
2754: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2755: my $rndseed=time;
2756: my $texversion='';
2757: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2758: my %moreenv;
2759: $moreenv{'request.filename'}=$cleanURL;
2760: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2761: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2762: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2763: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2764: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2765: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2766: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2767: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2768: $form{'problem_split'}='yes';
2769: }
2770: if ($helper->{'VARS'}->{'curseed'}) {
2771: $rndseed=$helper->{'VARS'}->{'curseed'};
2772: }
2773: $form{'rndseed'}=$rndseed;
2774: &Apache::lonnet::appenv(\%moreenv);
2775:
2776: &Apache::lonxml::clear_problem_counter();
2777:
2778: $resources_printed .= $currentURL.':';
2779: $texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2780:
2781: # Add annotations if required:
2782:
2783: &Apache::lonxml::clear_problem_counter();
2784:
2785: &Apache::lonnet::delenv('request.filename');
2786: }
2787: # current document with answers.. no need to encap in minipage
2788: # since there's only one answer.
2789:
2790: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2791: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2792:
2793: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2794: $form{'grade_target'}='answer';
2795: $form{'answer_output_mode'}='tex';
2796: $form{'rndseed'}=$rndseed;
2797: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2798: $form{'problemtype'}='exam';
2799: }
2800: $resources_printed .= $currentURL.':';
2801: my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2802:
2803:
2804: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2805: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
2806: } else {
2807: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2808: if ($helper->{'VARS'}->{'construction'} ne '1') {
2809: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2810: $title = &Apache::lonxml::latex_special_symbols($title);
2811: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2812: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2813: } else {
2814: $texversion.='\vskip 0 mm \noindent\textbf{'.
2815: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
2816:
2817: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2818: }
2819: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2820: }
2821:
2822:
2823:
2824:
2825:
2826: }
2827: # Print annotations.
2828:
2829:
2830: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2831: my $annotation .= &annotate($currentURL);
2832: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
2833: }
2834:
2835:
2836: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2837: $texversion=&IndexCreation($texversion,$currentURL);
2838: }
2839: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2840: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2841:
2842: }
2843: $result .= $texversion;
2844: if ($currentURL=~m/\.page\s*$/) {
2845: ($result,$number_of_columns) = &page_cleanup($result);
2846: }
2847: } elsif ($cleanURL!~m|^/adm/|
2848: && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
2849: $result .= &print_construction_sequence($currentURL, $helper, %form,
2850: $LaTeXwidth);
2851: $result .= '\end{document}';
2852: if (!($result =~ /\\begin\{document\}/)) {
2853: $result = &print_latex_header() . $result;
2854: }
2855: # End construction space sequence.
2856: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) {
2857: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2858: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
2859: if ($currentURL=~/\/ext\.tool$/) {$currentURL=~s/^\/adm\/wrapper//;}
2860: $resources_printed .= $currentURL.':';
2861: my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
2862: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2863: my $annotation = &annotate($currentURL);
2864: $texversion =~ s/(\\end\{document})/$annotation$1/;
2865: }
2866: $result .= $texversion;
2867: } elsif ($cleanURL =~/\.tex$/) {
2868: # For this sort of print of a single LaTeX file,
2869: # We can just print the LaTeX file as it is uninterpreted in any way:
2870: #
2871:
2872: $result = &fetch_raw_resource($currentURL);
2873: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2874: my $annotation = &annotate($currentURL);
2875: $result =~ s/(\\end\{document})/$annotation$1/;
2876: }
2877:
2878: $do_postprocessing = 0; # Don't massage the result.
2879:
2880: } elsif ($cleanURL =~ /\.pdf$/i) {
2881: $result .= &include_pdf($cleanURL);
2882: $result .= '\end{document}';
2883: } elsif ($cleanURL =~ /\.page$/i) { # Print page in non construction space contexts.
2884:
2885: # Determine the set of resources in the map of the page:
2886:
2887: my $navmap = Apache::lonnavmaps::navmap->new();
2888: my @page_resources = $navmap->retrieveResources($cleanURL);
2889: $result .= &print_page_in_course($helper, $rparmhash,
2890: $cleanURL, \@page_resources);
2891:
2892:
2893: } else {
2894: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
2895: $helper->{'VARS'}->{'symb'});
2896: }
2897: } elsif (($print_type eq 'map_problems') or
2898: ($print_type eq 'map_problems_in_page') or
2899: ($print_type eq 'map_resources_in_page') or
2900: ($print_type eq 'map_problems_pages') or
2901: ($print_type eq 'all_problems') or
2902: ($print_type eq 'all_resources') or # BUGBUG
2903: ($print_type eq 'select_sequences') or
2904: ($print_type eq 'map_incomplete_problems_seq')
2905: ) {
2906:
2907: #-- produce an output string
2908: if (($print_type eq 'map_problems') or
2909: ($print_type eq 'map_incomplete_problems_seq') or
2910: ($print_type eq 'map_problems_in_page') ) {
2911: $selectionmade = 2;
2912: } elsif (($print_type eq 'map_problems_pages') or
2913: ($print_type eq 'map_resources_in_page'))
2914: {
2915: $selectionmade = 3;
2916: } elsif (($print_type eq 'all_problems')
2917: ) {
2918: $selectionmade = 4;
2919: } elsif ($print_type eq 'all_resources') { #BUGBUG
2920: $selectionmade = 4;
2921: } elsif ($print_type eq 'select_sequences') {
2922: $selectionmade = 7;
2923: }
2924:
2925: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2926: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2927: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2928: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2929: $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2930: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2931: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
2932: $form{'problem_split'}='yes';
2933: }
2934: my $flag_latex_header_remove = 'NO';
2935: my $flag_page_in_sequence = 'NO';
2936: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
2937: my $prevassignment='';
2938:
2939: &Apache::lonxml::clear_problem_counter();
2940:
2941: for (my $i=0;$i<=$#master_seq;$i++) {
2942:
2943: &Apache::lonenc::reset_enc();
2944:
2945: # Note due to document structure, not allowed to put \newpage
2946: # prior to the first resource
2947:
2948: if (defined $page_breaks{$master_seq[$i]}) {
2949: if($i != 0) {
2950: $result.="\\newpage\n";
2951: }
2952: }
2953: $result .= &get_extra_vspaces($helper, $master_seq[$i]);
2954: my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
2955: $urlp=&Apache::lonnet::clutter($urlp);
2956: $form{'symb'}=$master_seq[$i];
2957:
2958: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
2959:
2960: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
2961: if ($i==0) {$prevassignment=$assignment;}
2962: my $texversion='';
2963: if ($urlp!~m|^/adm/|
2964: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
2965: my $extension = $1;
2966: $resources_printed .= $urlp.':';
2967: &Apache::lonxml::remember_problem_counter();
2968: if ($flag_latex_header_remove eq 'NO') {
2969: $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); # RF
2970: unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
2971: (($i==0) &&
2972: (($urlp=~/\.page$/) ||
2973: ($print_type eq 'map_problems_in_page') ||
2974: (($print_type eq 'map_resources_in_page') && ($extension !~ /^x?html?$/))))) {
2975: $flag_latex_header_remove = 'YES';
2976: }
2977: }
2978: $texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2979: if ($urlp=~/\.page$/) {
2980: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
2981: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
2982: $texversion =~ s/\\end\{document}\d*/\\end{document}/;
2983: $flag_page_in_sequence = 'YES';
2984: }
2985:
2986: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2987: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2988: # Don't permanently pervert the %form hash
2989: my %answerform = %form;
2990: $answerform{'grade_target'}='answer';
2991: $answerform{'answer_output_mode'}='tex';
2992: $resources_printed .= $urlp.':';
2993:
2994: &Apache::lonxml::restore_problem_counter();
2995: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2996: if ($urlp =~ /\.page$/) {
2997: $answer =~ s/\\end\{document}(\d*)$//;
2998: }
2999: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3000: if ($urlp =~ /\.page$/) {
3001: my @probs = split(/\\keephidden\{ENDOFPROBLEM}/,$texversion);
3002: my $lastprob = pop(@probs);
3003: $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
3004: $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
3005: } else {
3006: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
3007: }
3008: } else {
3009: if ($urlp=~/$LONCAPA::assess_page_re/) {
3010: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3011: # $texversion =~ s/\\begin\{document}//; # FIXME
3012: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
3013: $title = &Apache::lonxml::latex_special_symbols($title);
3014: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
3015: $body .= &path_to_problem ($urlp,$LaTeXwidth);
3016: $body .='\vskip 1 mm '.$answer;
3017: $body = &encapsulate_minipage($body,$answerform{'problem_split'});
3018: $texversion .= $body;
3019: } else {
3020: $texversion='';
3021: }
3022: }
3023:
3024: }
3025: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3026: my $annotation .= &annotate($urlp);
3027: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
3028: }
3029:
3030: if ($flag_latex_header_remove ne 'NO') {
3031: $texversion = &latex_header_footer_remove($texversion);
3032: } else {
3033: $texversion =~ s/\\end\{document}//;
3034: }
3035: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3036: $texversion=&IndexCreation($texversion,$urlp);
3037: }
3038: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
3039: my $name = &get_name();
3040: my $courseidinfo = &get_course();
3041: $prevassignment=$assignment;
3042: my $header_text = $parmhash{'print_header_format'};
3043: $header_text = &format_page_header($textwidth, $header_text,
3044: $assignment,
3045: $courseidinfo,
3046: $name);
3047: if ($numberofcolumns eq '1') {
3048: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
3049: } else {
3050: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
3051: }
3052: }
3053: $result .= $texversion;
3054: $flag_latex_header_remove = 'YES';
3055: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) {
3056: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3057: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
3058: if ($urlp=~/\/ext\.tool$/) {$urlp=~s/^\/adm\/wrapper//;}
3059: $resources_printed .= $urlp.':';
3060: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
3061: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3062: my $annotation = &annotate($urlp);
3063: $texversion =~ s/(\\end\{document)/$annotation$1/;
3064: }
3065:
3066: if ($flag_latex_header_remove ne 'NO') {
3067: $texversion = &latex_header_footer_remove($texversion);
3068: } else {
3069: $texversion =~ s/\\end\{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
3070: }
3071: $result .= $texversion;
3072: $flag_latex_header_remove = 'YES';
3073: } elsif ($urlp=~ /\.pdf$/i) {
3074: if ($i > 0) {
3075: $result .= '\cleardoublepage';
3076: }
3077: my $texfrompdf = &include_pdf($urlp);
3078: if ($flag_latex_header_remove ne 'NO') {
3079: $texfrompdf = &latex_header_footer_remove($texfrompdf);
3080: }
3081: $result .= $texfrompdf;
3082: if ($i != $#master_seq) {
3083: if ($numberofcolumns eq '1') {
3084: $result .= '\newpage';
3085: } else {
3086: # the \\'s seem to be needed to let LaTeX know there's something
3087: # on the page since LaTeX seems to not like to clear an empty page.
3088: #
3089: $result .= '\\ \cleardoublepage';
3090: }
3091: }
3092: $flag_latex_header_remove = 'YES';
3093:
3094: } else {
3095: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
3096: $master_seq[$i]);
3097: if ($flag_latex_header_remove ne 'NO') {
3098: $texversion = &latex_header_footer_remove($texversion);
3099: } else {
3100: $texversion =~ s/\\end\{document}//;
3101: }
3102: $result .= $texversion;
3103: $flag_latex_header_remove = 'YES';
3104: }
3105: if (&Apache::loncommon::connection_aborted($r)) {
3106: last;
3107: }
3108: }
3109: &Apache::lonxml::clear_problem_counter();
3110: if ($flag_page_in_sequence eq 'YES') {
3111: $result =~ s/\\usepackage\{calc}/\\usepackage{calc}\\usepackage{longtable}/;
3112: }
3113: $result .= '\end{document}';
3114: } elsif (($print_type eq 'problems_for_students') ||
3115: ($print_type eq 'problems_for_students_from_page') ||
3116: ($print_type eq 'all_problems_students') ||
3117: ($print_type eq 'resources_for_students') ||
3118: ($print_type eq 'incomplete_problems_selpeople_course') ||
3119: ($print_type eq 'map_incomplete_problems_people_seq')){
3120:
3121:
3122: #-- prints assignments for whole class or for selected students
3123: my $type;
3124: if (($print_type eq 'problems_for_students') ||
3125: ($print_type eq 'problems_for_students_from_page') ||
3126: ($print_type eq 'all_problems_students') ||
3127: ($print_type eq 'incomplete_problems_selpeople_course') ||
3128: ($print_type eq 'map_incomplete_problems_people_seq')) {
3129: $selectionmade=5;
3130: $type='problems';
3131: } elsif ($print_type eq 'resources_for_students') {
3132: $selectionmade=8;
3133: $type='resources';
3134: }
3135: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
3136: # The normal sort order is by section then by students within the
3137: # section. If the helper var student_sort is 1, then the user has elected
3138: # to override this and output the students by name.
3139: # Each element of the students array is of the form:
3140: # username:domain:section:last, first:status
3141: #
3142: # Note that student sort is not compatible with printing
3143: # 1 section per pdf...so that setting overrides.
3144: #
3145: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
3146: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
3147: @students = sort compare_names @students;
3148: } else {
3149: @students = sort compare_sections @students;
3150: }
3151: &adjust_number_to_print($helper);
3152:
3153: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
3154: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
3155: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
3156: }
3157: # If we are splitting on section boundaries, we need
3158: # to remember that in split_on_sections and
3159: # print all of the students in the list.
3160: #
3161: my $split_on_sections = 0;
3162: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
3163: $split_on_sections = 1;
3164: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
3165: }
3166: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3167:
3168: my $map;
3169: if ($helper->{VARS}->{'symb'}) {
3170: ($map, my $id, my $resource) =
3171: &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
3172: }
3173:
3174: #loop over students
3175:
3176: my $flag_latex_header_remove = 'NO';
3177: my %moreenv;
3178: $moreenv{'instructor_comments'}='hide';
3179: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
3180: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
3181: $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
3182: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3183: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
3184: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
3185: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
3186: $moreenv{'problem_split'}='yes';
3187: }
3188: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1);
3189: my $student_counter=-1;
3190: my $i = 0;
3191: my $last_section = (split(/:/,$students[0]))[2];
3192: my $nohidemap;
3193: if ($perm{'pav'} && $perm{'vgr'}) {
3194: $nohidemap = 1;
3195: }
3196: foreach my $person (@students) {
3197: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
3198: if (-e $duefile) {
3199: my $temp_file = Apache::File->new('>>'.$duefile);
3200: print $temp_file "1969\n";
3201: }
3202: $student_counter++;
3203: if ($split_on_sections) {
3204: my $this_section = (split(/:/,$person))[2];
3205: if ($this_section ne $last_section) {
3206: $i++;
3207: $last_section = $this_section;
3208: }
3209: } else {
3210: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
3211: }
3212: my $actual_seq = master_seq_to_person_seq($map, \@master_seq,
3213: $person, undef, $nohidemap);
3214: my ($output,$fullname, $printed)=&print_resources($r,$helper,
3215: $person,$type,
3216: \%moreenv, $actual_seq,
3217: $flag_latex_header_remove,
3218: $LaTeXwidth);
3219: $resources_printed .= ":";
3220: $print_array[$i].=$output;
3221: $student_names[$i].=$person.':'.$fullname.'_END_';
3222: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
3223: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
3224: $flag_latex_header_remove = 'YES';
3225: if (&Apache::loncommon::connection_aborted($r)) { last; }
3226: }
3227: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3228: $result .= $print_array[0].' \end{document}';
3229: } elsif (($print_type eq 'problems_for_anon') ||
3230: ($print_type eq 'problems_for_anon_page') ||
3231: ($print_type eq 'resources_for_anon') ) {
3232: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
3233: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
3234: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
3235: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
3236: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
3237: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
3238: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
3239: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
3240: my @lines = &Apache::lonnet::get_scantronformat_file();
3241: my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
3242: foreach my $line (@lines) {
3243: my ($name,$type,$length,$bubbles_per_item) =
3244: (split(/:/,$line))[0,2,4,17];
3245: if ($name eq $code_option) {
3246: $code_length=$length;
3247: if ($type eq 'number') { $code_type = 'number'; }
3248: chomp($bubbles_per_item);
3249: if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
3250: $bubbles_per_row = $bubbles_per_item;
3251: }
3252: }
3253: }
3254: my $map;
3255: if ($helper->{VARS}{'symb'}) {
3256: ($map, my $id, my $resource) =
3257: &Apache::lonnet::decode_symb($helper->{VARS}{'symb'});
3258: }
3259: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
3260: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3261: $moreenv{'instructor_comments'}='hide';
3262: $moreenv{'bubbles_per_row'} = $bubbles_per_row;
3263: my $seed=time+($$<<16)+($$);
3264: my @allcodes;
3265: if ($old_name) {
3266: my %result=&Apache::lonnet::get('CODEs',
3267: [$old_name,"type\0$old_name"],
3268: $cdom,$cnum);
3269: $code_type=$result{"type\0$old_name"};
3270: @allcodes=split(',',$result{$old_name});
3271: $num_todo=scalar(@allcodes);
3272: } elsif ($selected_code) { # Selection value is always numeric.
3273: $num_todo = 1;
3274: @allcodes = ($selected_code);
3275: } elsif ($single_code) {
3276:
3277: $num_todo = 1; # Unconditionally one code to do.
3278: # If an alpha code have to convert to numbers so it can be
3279: # converted back to letters again :-)
3280: #
3281: if ($code_type ne 'number') {
3282: $single_code = &letters_to_num($single_code);
3283: }
3284: @allcodes = ($single_code);
3285: } else {
3286: my %allcodes;
3287: srand($seed);
3288: for (my $i=0;$i<$num_todo;$i++) {
3289: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
3290: $code_type);
3291: }
3292: $code_name =~ s/^\s+//;
3293: $code_name =~ s/\s+$//;
3294: if ($code_name) {
3295: &Apache::lonnet::put('CODEs',
3296: {
3297: $code_name =>join(',',keys(%allcodes)),
3298: "type\0$code_name" => $code_type
3299: },
3300: $cdom,$cnum);
3301: }
3302: @allcodes=keys(%allcodes);
3303: }
3304: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3305: my ($type) = split(/_/,$print_type);
3306: &adjust_number_to_print($helper);
3307: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
3308: if ($number_per_page eq '0' || $number_per_page eq 'all'
3309: || $number_per_page eq 'section') {
3310: $number_per_page=$num_todo > 0 ? $num_todo : 1;
3311: }
3312: my $flag_latex_header_remove = 'NO';
3313: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo);
3314: my $count=0;
3315: my $nohidemap;
3316: if ($perm{'pav'} && $perm{'vgr'}) {
3317: $nohidemap = 1;
3318: }
3319: foreach my $code (sort(@allcodes)) {
3320: my $file_num=int($count/$number_per_page);
3321: if ($code_type eq 'number') {
3322: $moreenv{'CODE'}=$code;
3323: } else {
3324: $moreenv{'CODE'}=&num_to_letters($code);
3325: }
3326: $env{'form.CODE'} = $moreenv{'CODE'};
3327: my $actual_seq = master_seq_to_person_seq($map, \@master_seq,
3328: undef,
3329: $moreenv{'CODE'}, $nohidemap);
3330: delete($env{'form.CODE'});
3331: my ($output,$fullname, $printed)=
3332: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
3333: $actual_seq,$flag_latex_header_remove,
3334: $LaTeXwidth);
3335: $resources_printed .= ":";
3336: $print_array[$file_num].=$output;
3337: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
3338: &mt('last assignment').' '.$fullname);
3339: $flag_latex_header_remove = 'YES';
3340: $count++;
3341: if (&Apache::loncommon::connection_aborted($r)) { last; }
3342: }
3343: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3344: $result .= $print_array[0].' \end{document}';
3345: } elsif ($print_type eq 'problems_from_directory') {
3346: #prints selected problems from the subdirectory
3347: $selectionmade = 6;
3348: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
3349: @list_of_files=sort @list_of_files;
3350: my $flag_latex_header_remove = 'NO';
3351: my $rndseed=time;
3352: if ($helper->{'VARS'}->{'curseed'}) {
3353: $rndseed=$helper->{'VARS'}->{'curseed'};
3354: }
3355: for (my $i=0;$i<=$#list_of_files;$i++) {
3356:
3357: &Apache::lonenc::reset_enc();
3358:
3359: my $urlp = $list_of_files[$i];
3360: $urlp=~s|//|/|;
3361: if ($urlp=~/\//) {
3362: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
3363: $form{'rndseed'}=$rndseed;
3364: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
3365: $resources_printed .= $urlp.':';
3366: my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
3367: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3368: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3369: # Don't permanently pervert %form:
3370: my %answerform = %form;
3371: $answerform{'grade_target'}='answer';
3372: $answerform{'answer_output_mode'}='tex';
3373: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3374: $answerform{'rndseed'}=$rndseed;
3375: $resources_printed .= $urlp.':';
3376: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
3377: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3378: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
3379: } else {
3380: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3381: if ($helper->{'VARS'}->{'construction'} ne '1') {
3382: $texversion.='\vskip 0 mm \noindent ';
3383: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3384: } else {
3385: $texversion.='\vskip 0 mm \noindent\textbf{'.
3386: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
3387: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3388: }
3389: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
3390: }
3391: }
3392: #this chunk is responsible for printing the path to problem
3393:
3394: my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
3395: $texversion =~ s/(\\begin\{minipage}\{\\textwidth})/$1 $newurlp/;
3396: if ($flag_latex_header_remove ne 'NO') {
3397: $texversion = &latex_header_footer_remove($texversion);
3398: } else {
3399: $texversion =~ s/\\end\{document}//;
3400: }
3401: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3402: $texversion=&IndexCreation($texversion,$urlp);
3403: }
3404: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
3405: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
3406:
3407: }
3408: $result .= $texversion;
3409: }
3410: $flag_latex_header_remove = 'YES';
3411: }
3412: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
3413: $result .= '\end{document}';
3414: }
3415: #-------------------------------------------------------- corrections for the different page formats
3416:
3417: # Only post process if that has not been turned off e.g. by a raw latex resource.
3418:
3419: if ($do_postprocessing) {
3420: $result = &page_format_transformation($papersize,
3421: $laystyle,$numberofcolumns,
3422: $print_type,$result,
3423: $helper->{VARS}->{'assignment'},
3424: $helper->{'VARS'}->{'TABLE_CONTENTS'},
3425: $helper->{'VARS'}->{'TABLE_INDEX'},
3426: $selectionmade);
3427: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
3428: $helper->{'VARS'}->{'ANSWER_TYPE'});
3429: #if ($numberofcolumns == 1) {
3430: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
3431: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
3432: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3433: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3434: #}
3435: }
3436:
3437: # Set URLback so we can provide a link back to the resource and to change options.
3438: # (Since the browser back button does not currently work with https,
3439: # the back link is useful even when there is an easy-to-miss LON-CAPA back button.)
3440:
3441: my $URLback=''; #link to original document
3442: if ($helper->{'VARS'}->{'construction'} eq '1') {
3443: $URLback=$helper->{'VARS'}->{'filename'};
3444: } elsif ($helper->{VARS}{'symb'}) {
3445: my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}{'symb'});
3446: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
3447: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
3448: my ($anchor,$usehttp,$plainurl);
3449: $url = &Apache::lonnet::clutter($url);
3450: $plainurl = $url;
3451: if (($ENV{'SERVER_PORT'} == 443) && ($env{'request.course.id'}) &&
3452: (($url =~ m{^\Q/public/$cdom/$cnum/syllabus\E($|\?)}) ||
3453: ($url =~ m{^\Q/adm/wrapper/ext/\E(?!https:)}))) {
3454: unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl())) {
3455: $usehttp = 1;
3456: }
3457: }
3458: if ($env{'request.enc'}) {
3459: $url = &Apache::lonenc::encrypted($url);
3460: }
3461: if ($url ne '') {
3462: my $symb = $helper->{VARS}{'symb'};
3463: if ($url =~ m{^\Q/adm/wrapper/ext/\E}) {
3464: my $link = $url;
3465: ($link,$anchor) = ($url =~ /^([^\#]+)(?:|(\#[^\#]+))$/);
3466: if ($anchor) {
3467: ($symb) = ($helper->{VARS}{'symb'} =~ /^([^\#]+)/);
3468: }
3469: $url = $link;
3470: }
3471: $URLback = $url;
3472: if ($usehttp) {
3473: $URLback .= (($URLback =~ /\?/) ? '&':'?').'usehttp=1';
3474: }
3475: unless ($plainurl =~ /\.page$/) {
3476: $URLback .= (($URLback =~ /\?/) ? '&':'?').'symb='.&escape($symb.$anchor);
3477: }
3478: }
3479: }
3480: #
3481: # Final adjustment of the font size:
3482: #
3483:
3484: $result = set_font_size($result);
3485:
3486: # Insert any babel headers required.
3487:
3488: $result = &collect_languages($result);
3489:
3490:
3491: #-- writing .tex file in prtspool
3492: my $temp_file;
3493: my $identifier = &Apache::loncommon::get_cgi_id();
3494: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
3495: if (!($#print_array>0)) {
3496: unless ($temp_file = Apache::File->new('>'.$filename)) {
3497: $r->log_error("Couldn't open $filename for output $!");
3498: return SERVER_ERROR;
3499: }
3500: print $temp_file $result;
3501: my $begin=index($result,'\begin{document}',0);
3502: my $inc=substr($result,0,$begin+16);
3503: } else {
3504: my $begin=index($result,'\begin{document}',0);
3505: my $inc=substr($result,0,$begin+16);
3506: for (my $i=0;$i<=$#print_array;$i++) {
3507: if ($i==0) {
3508: $print_array[$i]=$result;
3509: } else {
3510: $print_array[$i].='\end{document}';
3511: $print_array[$i] =
3512: &latex_corrections($number_of_columns,$print_array[$i],
3513: $selectionmade,
3514: $helper->{'VARS'}->{'ANSWER_TYPE'});
3515:
3516: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
3517: substr($print_array[$i],0,$anobegin)='';
3518: $print_array[$i]=$inc.$print_array[$i];
3519: }
3520: my $temp_file;
3521: my $newfilename=$filename;
3522: my $num=$i+1;
3523: $newfilename =~s/\.tex$//;
3524: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
3525: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
3526: $r->log_error("Couldn't open $newfilename for output $!");
3527: return SERVER_ERROR;
3528: }
3529: print $temp_file $print_array[$i];
3530: }
3531: }
3532: my $student_names='';
3533: if ($#print_array>0) {
3534: for (my $i=0;$i<=$#print_array;$i++) {
3535: $student_names.=$student_names[$i].'_ENDPERSON_';
3536: }
3537: } else {
3538: if ($#student_names>-1) {
3539: $student_names=$student_names[0].'_ENDPERSON_';
3540: } else {
3541: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
3542: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
3543: $env{'request.course.sec'},$fullname).
3544: '_ENDPERSON_'.'_END_';
3545: }
3546: }
3547:
3548: # logic for now is too complex to trace if this has been defined
3549: # yet.
3550: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3551: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3552: &Apache::lonnet::appenv({'cgi.'.$identifier.'.file' => $filename,
3553: 'cgi.'.$identifier.'.layout' => $laystyle,
3554: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
3555: 'cgi.'.$identifier.'.paper' => $papersize,
3556: 'cgi.'.$identifier.'.selection' => $selectionmade,
3557: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
3558: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
3559: 'cgi.'.$identifier.'.role' => $perm{'pav'},
3560: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
3561: 'cgi.'.$identifier.'.studentnames' => $student_names,
3562: 'cgi.'.$identifier.'.backref' => &escape($URLback),});
3563: &Apache::lonnet::appenv({"cgi.$identifier.user" => $env{'user.name'},
3564: "cgi.$identifier.domain" => $env{'user.domain'},
3565: "cgi.$identifier.courseid" => $cnum,
3566: "cgi.$identifier.coursedom" => $cdom,
3567: "cgi.$identifier.resources" => $resources_printed});
3568:
3569: my $end_page = &Apache::loncommon::end_page();
3570: my $continue_text = &mt('Continue');
3571: # If there's been an unrecoverable SSI error, report it to the user
3572: if ($ssi_error) {
3573: my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
3574: $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
3575: &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
3576: '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
3577: '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
3578: &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
3579: '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
3580: &mt('We apologize for the inconvenience.').'</p>'.
3581: '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
3582: } else {
3583: $r->print(<<FINALEND);
3584: <br />
3585: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
3586: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
3587: $end_page
3588: FINALEND
3589: } # endif ssi errors.
3590: }
3591:
3592:
3593: sub get_CODE {
3594: my ($all_codes,$num,$seed,$size,$type)=@_;
3595: my $max='1'.'0'x$size;
3596: my $newcode;
3597: while(1) {
3598: $newcode=sprintf("%0".$size."d",int(rand($max)));
3599: if (!exists($$all_codes{$newcode})) {
3600: $$all_codes{$newcode}=1;
3601: if ($type eq 'number' ) {
3602: return $newcode;
3603: } else {
3604: return &num_to_letters($newcode);
3605: }
3606: }
3607: }
3608: }
3609:
3610: sub print_resources {
3611: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
3612: $LaTeXwidth)=@_;
3613: my $current_output = '';
3614: my $printed = '';
3615: my ($username,$userdomain,$usersection) = split /:/,$person;
3616: my $fullname = &get_name($username,$userdomain);
3617: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
3618:
3619:
3620: #
3621: # Figure out if we need to filter the output by
3622: # the incomplete problems for that person
3623: #
3624: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
3625: my $print_incomplete = 0;
3626: if (($print_type eq 'map_incomplete_problems_people_seq') ||
3627: ($print_type eq 'incomplete_problems_selpeople_course')) {
3628: $print_incomplete = 1;
3629: }
3630: if ($person eq 'anonymous') {
3631: $namepostfix .=&mt('Name:')." ";
3632: $fullname = "CODE - ".$moreenv->{'CODE'};
3633: }
3634:
3635: # Fullname may have special latex characters that need \ prefixing:
3636: #
3637:
3638: my $i = 0;
3639: my $actually_printed = 0; # Count of resources printed.
3640: #goes through all resources, checks if they are available for
3641: #current student, and produces output
3642:
3643: &Apache::lonxml::clear_problem_counter();
3644: my %page_breaks = &get_page_breaks($helper);
3645: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
3646: #
3647: # end each student with a
3648: # Special that allows the post processor to even out the page
3649: # counts later. Nasty problem this... it would be really
3650: # nice to put the special in as a postscript comment
3651: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
3652: # The special gets passed the \ and dvips puts it in the output file
3653: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
3654: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
3655: #
3656:
3657: my $syllabus_first = 0;
3658: my $current_assignment = "";
3659: my $assignment;
3660: my $courseidinfo = &get_course();
3661: my $possprint = scalar(@{$master_seq});
3662:
3663: foreach my $curresline (@{$master_seq}) {
3664: if (defined $page_breaks{$curresline}) {
3665: if($i != 0) {
3666: $current_output.= "\\newpage\n";
3667: }
3668: }
3669: $current_output .= &get_extra_vspaces($helper, $curresline);
3670: $i++;
3671: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
3672:
3673: # See if we need to emit a new header:
3674:
3675: if ( !($type eq 'problems' &&
3676: ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
3677: if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
3678: next;
3679: }
3680: $actually_printed++; # we're going to print one.
3681:
3682: if (&Apache::lonnet::allowed('bre',$res_url)) {
3683: if ($res_url!~m|^ext/|
3684: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
3685: $printed .= $curresline.':';
3686: &Apache::lonxml::remember_problem_counter();
3687:
3688: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3689: if ($res_url =~ /\.page$/) {
3690: if ($remove_latex_header eq 'NO') {
3691: if (!($rendered =~ /\\begin\{document\}/)) {
3692: $rendered = &print_latex_header().$rendered;
3693: }
3694: }
3695: ;
3696: if ($remove_latex_header eq 'YES') {
3697: $rendered = &latex_header_footer_remove($rendered);
3698: } else {
3699: $rendered =~ s/\\end\{document}\d*//;
3700: }
3701: }
3702: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3703: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3704: # Use a copy of the hash so we don't pervert it on future loop passes.
3705: my %answerenv = %{$moreenv};
3706: $answerenv{'answer_output_mode'}='tex';
3707:
3708:
3709: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3710:
3711: &Apache::lonxml::restore_problem_counter();
3712:
3713: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
3714:
3715: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3716: $rendered=~s/(\\keephidden\{ENDOFPROBLEM})/$ansrendered$1/;
3717: } else {
3718:
3719:
3720: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3721: unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
3722: $header =~ s/\\begin\{document}//; #<<<<<
3723: }
3724: my $title = &Apache::lonnet::gettitle($curresline);
3725: $title = &Apache::lonxml::latex_special_symbols($title);
3726: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
3727: $body .=&path_to_problem($res_url,$LaTeXwidth);
3728: $body .='\vskip 1 mm '.$ansrendered;
3729: $body = &encapsulate_minipage($body,$answerenv{'problem_split'});
3730: $rendered = $header.$body;
3731: }
3732: }
3733: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3734: my $url = &Apache::lonnet::clutter($res_url);
3735: my $annotation = &annotate($url);
3736: $rendered =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
3737: }
3738: my $junk;
3739: if ($remove_latex_header eq 'YES') {
3740: $rendered = &latex_header_footer_remove($rendered);
3741: } else {
3742: $rendered =~ s/\\end\{document}//;
3743: }
3744: $current_output .= $rendered;
3745: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) {
3746: if ($i == 1) {
3747: $syllabus_first = 1;
3748: }
3749: $printed .= $curresline.':';
3750: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3751: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3752: my $url = &Apache::lonnet::clutter($res_url);
3753: my $annotation = &annotate($url);
3754: $annotation =~ s/(\\end\{document})/$annotation$1/;
3755: }
3756: if ($remove_latex_header eq 'YES') {
3757: $rendered = &latex_header_footer_remove($rendered);
3758: } else {
3759: $rendered =~ s/\\end\{document}//;
3760: }
3761: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
3762: } elsif($res_url = ~/\.pdf$/) {
3763: my $url = &Apache::lonnet::clutter($res_url);
3764: my $rendered = &include_pdf($url);
3765: if ($remove_latex_header ne 'NO') {
3766: $rendered = &latex_header_footer_remove($rendered);
3767: }
3768: $current_output .= $rendered;
3769: } else {
3770: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
3771: if ($remove_latex_header ne 'NO') {
3772: $rendered = &latex_header_footer_remove($rendered);
3773: } else {
3774: $rendered =~ s/\\end\{document}//;
3775: }
3776: $current_output .= $rendered;
3777: }
3778: }
3779: $remove_latex_header = 'YES';
3780: }
3781: $assignment = &Apache::lonxml::latex_special_symbols(
3782: &Apache::lonnet::gettitle($map), 'header');
3783: if (($assignment ne $current_assignment) && ($assignment ne "")) {
3784: my $header_line = &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3785: $assignment, $courseidinfo,
3786: $fullname, $usersection);
3787: my $header_start = ($columns_in_format == 1) ? '\lhead'
3788: : '\fancyhead[LO]';
3789: $header_line = $header_start.'{'.$header_line.'}';
3790: $current_output = $current_output . $header_line;
3791: $current_assignment = $assignment;
3792: }
3793:
3794: if (&Apache::loncommon::connection_aborted($r)) { last; }
3795: }
3796: # If we are printing incomplete it's possible we don't have
3797: # anything to print. The print subsystem is not so good at handling
3798: # that so we're going to generate a stub that says there are no
3799: # incomplete resources for the person.
3800: #
3801:
3802: if ($actually_printed == 0) {
3803: my $message = &mt('No resources to print');
3804: if (!$possprint) {
3805: if ($perm{'pav'} || $perm{'pfo'}) {
3806: $message = &mt('There are no unhidden resources to print.')."\n\n".
3807: &mt('The most likely reason is one of the following: ')."\n".
3808: '\begin{itemize}'."\n".
3809: '\item '.&mt("The 'Resource hidden from students' parameter is set for the folder being printed.")."\n".
3810: '\item '.&mt("'Hidden' is checked in the Course Editor individually for each resource in the folder being printed.")."\n".
3811: '\end{itemize}'."\n\n".
3812: &mt("Note: to print a bubblesheet exam which you want to hide from students, ".
3813: "use the Course Editor to check the 'Hidden' checkbox for the exam folder itself.")."\n";
3814: }
3815: } elsif ($print_incomplete) {
3816: $message = &mt('No incomplete resources');
3817: }
3818: if ($message) {
3819: $current_output = &encapsulate_minipage("\\vskip -10mm \n$message\n \\vskip 100 mm { }\n",$moreenv->{'problem_split'});
3820: }
3821: if ($remove_latex_header eq "NO") {
3822: $current_output = &print_latex_header() . $current_output;
3823: } else {
3824: $current_output = &latex_header_footer_remove($current_output);
3825: }
3826: }
3827:
3828: if ($syllabus_first) {
3829: $current_output =~ s/\\\\ Last updated:/Last updated:/
3830: }
3831: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
3832: my $header_line =
3833: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3834: $currentassignment, $courseidinfo, $fullname, $usersection);
3835: my $header_start = ($columns_in_format == 1) ? '\lhead' : '\fancyhead[LO]';
3836: my $newheader = $header_start.'{'.$header_line.'}';
3837: if ($current_output=~/\\documentclass/) {
3838: $current_output =~ s/\\begin\{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$newheader$namepostfix}\\vskip 5 mm /;
3839:
3840: } else {
3841: my $blankpages =
3842: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
3843:
3844: $current_output = '\strut\vspace*{-6 mm}\\newline'.
3845: ©right_line().' \newpage '.$blankpages.$end_of_student.
3846: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
3847: $newheader.$namepostfix. '} \vskip 5 mm '.$current_output;
3848:
3849: }
3850: #
3851: # Close the student bracketing.
3852: #
3853: return ($current_output,$fullname, $printed);
3854:
3855: }
3856:
3857: sub printing_blocked {
3858: my ($r,$blocktext) = @_;
3859: my $title = &mt('Preparing Printout');
3860: &Apache::lonhtmlcommon::clear_breadcrumbs();
3861: &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout',
3862: text=> $title});
3863: my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
3864: &Apache::loncommon::content_type($r,'text/html');
3865: &Apache::loncommon::no_cache($r);
3866: $r->send_http_header;
3867: $r->print(&Apache::loncommon::start_page('Preparing Printout').
3868: $breadcrumbs.
3869: $blocktext.
3870: &Apache::loncommon::end_page());
3871: return;
3872: }
3873:
3874: sub handler {
3875:
3876: my $r = shift;
3877:
3878: if ($env{'request.course.id'}) {
3879: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3880: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3881: my $clientip = &Apache::lonnet::get_requestor_ip($r);
3882: my ($blocked,$blocktext) =
3883: &Apache::loncommon::blocking_status('printout',$clientip,$cnum,$cdom);
3884: if ($blocked) {
3885: my $checkrole = "cm./$cdom/$cnum";
3886: if ($env{'request.course.sec'} ne '') {
3887: $checkrole .= "/$env{'request.course.sec'}";
3888: }
3889: unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
3890: ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
3891: &printing_blocked($r,$blocktext);
3892: return OK;
3893: }
3894: }
3895: }
3896:
3897: &init_perm();
3898: my $helper = printHelper($r);
3899: if (!ref($helper)) {
3900: return $helper;
3901: }
3902:
3903:
3904: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
3905:
3906:
3907:
3908:
3909: # If a figure conversion queue file exists for this user.domain
3910: # we delete it since it can only be bad (if it were good, printout.pl
3911: # would have deleted it the last time around.
3912:
3913: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
3914: if(-e $conversion_queuefile) {
3915: unlink $conversion_queuefile;
3916: }
3917:
3918:
3919: &output_data($r,$helper,\%parmhash);
3920: return OK;
3921: }
3922:
3923: use Apache::lonhelper;
3924:
3925: sub addMessage {
3926: my $text = shift;
3927: my $paramHash = Apache::lonhelper::getParamHash();
3928: $paramHash->{MESSAGE_TEXT} = $text;
3929: Apache::lonhelper::message->new();
3930: }
3931:
3932:
3933:
3934: sub init_perm {
3935: undef(%perm);
3936: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
3937: if (!$perm{'pav'}) {
3938: $perm{'pav'}=&Apache::lonnet::allowed('pav',
3939: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3940: }
3941: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
3942: if (!$perm{'pfo'}) {
3943: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
3944: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3945: }
3946: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
3947: if (!$perm{'vgr'}) {
3948: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
3949: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3950: }
3951: }
3952:
3953: sub get_randomly_ordered_warning {
3954: my ($helper,$map) = @_;
3955:
3956: my $message;
3957:
3958: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
3959: my $navmap = Apache::lonnavmaps::navmap->new();
3960: if (defined($navmap)) {
3961: my $res = $navmap->getResourceByUrl($map);
3962: if ($res) {
3963: my $func =
3964: sub { return ($_[0]->is_map() && $_[0]->randomorder); };
3965: my @matches = $navmap->retrieveResources($res, $func,1,1,1);
3966:
3967: }
3968: } else {
3969: $message = "Retrieval of information about ordering of resources failed.";
3970: return '<message type="warning">'.$message.'</message>';
3971: }
3972: return;
3973: }
3974:
3975: sub printHelper {
3976: my $r = shift;
3977:
3978: if ($r->header_only) {
3979: if ($env{'browser.mathml'}) {
3980: &Apache::loncommon::content_type($r,'text/xml');
3981: } else {
3982: &Apache::loncommon::content_type($r,'text/html');
3983: }
3984: $r->send_http_header;
3985: return OK;
3986: }
3987:
3988: # Send header, nocache
3989: if ($env{'browser.mathml'}) {
3990: &Apache::loncommon::content_type($r,'text/xml');
3991: } else {
3992: &Apache::loncommon::content_type($r,'text/html');
3993: }
3994: &Apache::loncommon::no_cache($r);
3995: $r->send_http_header;
3996: $r->rflush();
3997:
3998: # Unfortunately, this helper is so complicated we have to
3999: # write it by hand
4000:
4001: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
4002:
4003: my $helper = Apache::lonhelper::helper->new("Printing Helper");
4004: $helper->declareVar('symb');
4005: $helper->declareVar('postdata');
4006: $helper->declareVar('curseed');
4007: $helper->declareVar('probstatus');
4008: $helper->declareVar('filename');
4009: $helper->declareVar('construction');
4010: $helper->declareVar('assignment');
4011: $helper->declareVar('style_file');
4012: $helper->declareVar('student_sort');
4013: $helper->declareVar('FINISHPAGE');
4014: $helper->declareVar('PRINT_TYPE');
4015: $helper->declareVar("showallfoils");
4016: $helper->declareVar("STUDENTS");
4017: $helper->declareVar("EXTRASPACE");
4018:
4019:
4020:
4021:
4022: # The page breaks and extra spaces
4023: # can get loaded initially from the course environment:
4024: # But we only do this in the initial state so that they are allowed to change.
4025: #
4026:
4027:
4028: &Apache::loncommon::restore_course_settings('print',
4029: {'pagebreaks' => 'scalar',
4030: 'extraspace' => 'scalar',
4031: 'extraspace_units' => 'scalar',
4032: 'lastprinttype' => 'scalar'});
4033:
4034: # This will persistently load in the data we want from the
4035: # very first screen.
4036:
4037: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
4038: if (!defined ($env{"form.CURRENT_STATE"})) {
4039:
4040: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
4041: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
4042: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
4043: } else {
4044: my $state = $env{"form.CURRENT_STATE"};
4045: if ($state eq "START") {
4046: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
4047: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
4048: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
4049:
4050: }
4051: }
4052:
4053: }
4054:
4055: # Detect whether we're coming from construction space
4056: if ($env{'form.postdata'}=~m{^/priv}) {
4057: $helper->{VARS}->{'filename'} = $env{'form.postdata'};
4058: $helper->{VARS}->{'construction'} = 1;
4059: } else {
4060: if ($env{'form.postdata'}) {
4061: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
4062: if ( $helper->{VARS}->{'symb'} eq '') {
4063: $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
4064: }
4065: }
4066: if ($env{'form.symb'}) {
4067: $helper->{VARS}->{'symb'} = $env{'form.symb'};
4068: }
4069: if ($env{'form.url'}) {
4070: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
4071: }
4072:
4073: }
4074:
4075: if ($env{'form.symb'}) {
4076: $helper->{VARS}->{'symb'} = $env{'form.symb'};
4077: }
4078: if ($env{'form.url'}) {
4079: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
4080: }
4081: if ($helper->{VARS}->{'symb'} ne '') {
4082: $helper->{VARS}->{'symb'}=
4083: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
4084: }
4085: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
4086: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
4087:
4088:
4089: # Extract map
4090: my $symb = $helper->{VARS}->{'symb'};
4091: my ($map, $id, $url);
4092: my $subdir;
4093: my $is_published=0; # True when printing from resource space.
4094: my $res_printable = 1; # By default the current resource is printable.
4095: my $res_error;
4096: my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
4097: my $res_printstartdate;
4098: my $res_printenddate;
4099: my $map_open = 0;
4100: my $map_close = 0xffffffff;
4101: my $course_open = 0;
4102: my $course_close = 0xffffffff;
4103:
4104: # Get the resource name from construction space
4105: if ($helper->{VARS}->{'construction'}) {
4106: $resourceTitle = substr($helper->{VARS}->{'filename'},
4107: rindex($helper->{VARS}->{'filename'}, '/')+1);
4108: $subdir = substr($helper->{VARS}->{'filename'},
4109: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
4110: } else {
4111: # From course space:
4112:
4113: if ($symb ne '') {
4114: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
4115: $helper->{VARS}->{'postdata'} =
4116: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
4117: if (!$userCanPrint) {
4118: my $navmap = Apache::lonnavmaps::navmap->new();
4119: if (ref($navmap)) {
4120: my $res = $navmap->getBySymb($symb);
4121: if (ref($res)) {
4122: $res_printable = $res->resprintable(); #printability in course context
4123: ($res_printstartdate, $res_printenddate) = &get_print_dates($res);
4124: ($course_open, $course_close) = &course_print_dates($res);
4125: ($map_open, $map_close) = &map_print_dates($res);
4126: } else {
4127: $res_error = 1;
4128: }
4129: } else {
4130: $res_error = 1;
4131: }
4132: }
4133: } else {
4134: # Resource space.
4135:
4136: $url = $helper->{VARS}->{'postdata'};
4137: $is_published=1; # From resource space.
4138: }
4139: $url = &Apache::lonnet::clutter($url);
4140: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
4141: my $postdata = $helper->{VARS}->{'postdata'};
4142: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
4143: }
4144: $subdir = &Apache::lonnet::filelocation("", $url);
4145:
4146:
4147: }
4148: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
4149: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
4150: }
4151:
4152: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4153: $helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
4154: }
4155:
4156: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
4157:
4158: Apache::lonhelper::registerHelperTags();
4159:
4160: # "Delete everything after the last slash."
4161: $subdir =~ s|/[^/]+$||;
4162:
4163: # What can be printed is a very dynamic decision based on
4164: # lots of factors. So we need to dynamically build this list.
4165: # To prevent security leaks, states are only added to the wizard
4166: # if they can be reached, which ensures manipulating the form input
4167: # won't allow anyone to reach states they shouldn't have permission
4168: # to reach.
4169:
4170: # printChoices is tracking the kind of printing the user can
4171: # do, and will be used in a choices construction later.
4172: # In the meantime we will be adding states and elements to
4173: # the helper by hand.
4174: my $printChoices = [];
4175: my $paramHash;
4176:
4177: # If there is a current resource and it is printable
4178: # Give that as a choice.
4179:
4180: if ($resourceTitle && $res_printable) {
4181: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
4182: }
4183:
4184: # Useful filter strings
4185:
4186: my $isPrintable = ' && $res->resprintable()';
4187:
4188: my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
4189: $isProblem .= $isPrintable unless $userCanPrint;
4190: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
4191: my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
4192: $isProblemOrMap .= $isPrintable unless $userCanPrint;
4193: my $isNotMap = '(!$res->is_sequence())';
4194: $isNotMap .= $isPrintable unless $userCanPrint;
4195: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
4196: my $isMap = '$res->is_map()';
4197: $isMap .= $isPrintable unless $userCanPrint;
4198: my $symbFilter = '$res->shown_symb() ';
4199: my $urlValue = '$res->link()';
4200:
4201: $helper->declareVar('SEQUENCE');
4202:
4203: # If we're in a sequence...
4204:
4205: my $start_new_option;
4206: if ($perm{'pav'}) {
4207: $start_new_option =
4208: "<option text='".&mt('Start new page[_1]before selected','<br />').
4209: "' variable='FINISHPAGE' />".
4210: "<option text='".&mt('Extra space[_1]before selected','<br />').
4211: "' variable='EXTRASPACE' type='text' />" .
4212: "<option " .
4213: "' variable='POSSIBLE_RESOURCES' type='hidden' />".
4214: "<option text='".&mt('Space units[_1]check for mm','<br />').
4215: "' variable='EXTRASPACE_UNITS' type='checkbox' />"
4216: ;
4217:
4218:
4219: }
4220:
4221: # If not construction space user can print the components of a page:
4222:
4223: my $page_ispage;
4224: my $page_title;
4225: if (!$helper->{VARS}->{'construction'}) {
4226: my $varspostdata = $helper->{VARS}->{'postdata'};
4227: my $varsassignment = $helper->{VARS}->{'assignment'};
4228: my $page_navmap = Apache::lonnavmaps::navmap->new();
4229: if (defined($page_navmap)) {
4230: my @page_resources = $page_navmap->retrieveResources($url);
4231: if(defined($page_resources[0])) {
4232: $page_ispage = $page_resources[0]->is_page();
4233: $page_title = $page_resources[0]->title();
4234: my $resourcesymb = $page_resources[0]->symb();
4235: my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
4236: if ($page_ispage) {
4237: push @{$printChoices},
4238: [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4239: 'map_problems_in_page',
4240: 'CHOOSE_PROBLEMS_PAGE'];
4241: push @{$printChoices},
4242: [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4243: 'map_resources_in_page',
4244: 'CHOOSE_RESOURCES_PAGE'];
4245: }
4246: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
4247: 'Select Problem(s) to print',
4248: "multichoice='1' toponly='1' addstatus='1' closeallpages='1' modallink='1'",
4249: 'RESOURCES',
4250: 'PAGESIZE',
4251: $url,
4252: $isProblem, '', $symbFilter,
4253: $start_new_option);
4254:
4255:
4256: $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
4257: 'Select Resource(s) to print',
4258: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1"',
4259: 'RESOURCES',
4260: 'PAGESIZE',
4261: $url,
4262: $isNotMap, '', $symbFilter,
4263: $start_new_option);
4264:
4265:
4266:
4267:
4268:
4269: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4270:
4271: }
4272: }
4273: }
4274:
4275: if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
4276: $helper->{VARS}->{'postdata'} &&
4277: $helper->{VARS}->{'assignment'}) {
4278:
4279: # BZ 5209 - Print incomplete problems from sequence:
4280: # the exact form of this depends on whether or not we are privileged or a mere
4281: # plebe of s student:
4282:
4283: my $printSelector = 'map_incomplete_problems_seq';
4284: my $nextState = 'CHOOSE_INCOMPLETE_SEQ';
4285: my $textSuffix = '';
4286:
4287: if ($userCanPrint) {
4288: $printSelector = 'map_incomplete_problems_people_seq';
4289: $nextState = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
4290: $textSuffix = ' for selected students';
4291: my $helperStates =
4292: &create_incomplete_folder_selstud_helper($helper, $map);
4293: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4294: } else {
4295: if (&printable($map_open, $map_close)) {
4296: my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student.
4297: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4298: } else {
4299: # TODO: Figure out how to break the news...this folder is not printable.
4300: }
4301: }
4302:
4303: if ($userCanPrint || &printable($map_open, $map_close)) {
4304: push(@{$printChoices},
4305: [&mt('Selected [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
4306: '<b>', '</b>',
4307: '<b><i>'. $sequenceTitle . '</b></i>'),
4308: $printSelector,
4309: $nextState]);
4310: }
4311: # Allow problems from sequence
4312: if ($userCanPrint || &printable($map_open, $map_close)) {
4313: push @{$printChoices},
4314: [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4315: 'map_problems',
4316: 'CHOOSE_PROBLEMS'];
4317: # Allow all resources from sequence
4318: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4319: 'map_problems_pages',
4320: 'CHOOSE_PROBLEMS_HTML'];
4321: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
4322: 'Select Problem(s) to print',
4323: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1"',
4324: 'RESOURCES',
4325: 'PAGESIZE',
4326: $map,
4327: $isProblem, '',
4328: $symbFilter,
4329: $start_new_option);
4330: $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
4331: 'Select Resource(s) to print',
4332: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1"',
4333: 'RESOURCES',
4334: 'PAGESIZE',
4335: $map,
4336: $isNotMap, '',
4337: $symbFilter,
4338: $start_new_option);
4339:
4340: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4341: } else {
4342: # TODO: Figure out how to tell them the folder is not printable.
4343: }
4344: }
4345: # If the user has pfo (print for others) allow them to print all
4346: # problems and resources in the entire course, optionally for selected students
4347: my $post_data = $helper->{VARS}->{'postdata'};
4348:
4349: if ($perm{'pfo'} && !$is_published &&
4350: ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
4351:
4352: # BZ 5209 - incomplete problems from entire course:
4353:
4354: push(@{$printChoices},
4355: [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
4356: 'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
4357: my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
4358:
4359: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4360:
4361: # Selected problems/resources from entire course:
4362:
4363: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
4364: push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
4365: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
4366: my $suffixXml = <<ALL_PROBLEMS;
4367: <state name="STUDENTS1" title="Select People">
4368: <message><b>Select sorting order of printout</b> </message>
4369: <choices variable='student_sort'>
4370: <choice computer='0'>Sort by section then student</choice>
4371: <choice computer='1'>Sort by students across sections.</choice>
4372: </choices>
4373: <message><br /><hr /><br /> </message>
4374: <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
4375: </state>
4376: ALL_PROBLEMS
4377: &Apache::lonxml::xmlparse($r, 'helper',
4378: &generate_resource_chooser('ALL_PROBLEMS',
4379: 'Select Problem(s) to print',
4380: 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1" modallink="1"',
4381: 'RESOURCES',
4382: 'PAGESIZE',
4383: '',
4384: $isProblemOrMap, $isNotMap,
4385: $symbFilter,
4386: $start_new_option) .
4387: &generate_resource_chooser('ALL_RESOURCES',
4388: 'Select Resource(s) to print',
4389: " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1' modallink='1'",
4390: 'RESOURCES',
4391: 'PAGESIZE',
4392: '',
4393: $isNotMap,'',$symbFilter,
4394: $start_new_option) .
4395: &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
4396: 'Select Problem(s) to print',
4397: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1" modallink="1"',
4398: 'RESOURCES',
4399: 'STUDENTS1',
4400: '',
4401: $isProblemOrMap,'' , $symbFilter,
4402: $start_new_option) .
4403: $suffixXml
4404: );
4405:
4406: if ($helper->{VARS}->{'assignment'}) {
4407:
4408: # If we were looking at a page, allow a selection of problems from the page
4409: # either for selected students or for coded assignments.
4410:
4411: if ($page_ispage) {
4412: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
4413: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4414: 'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
4415: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
4416: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4417: 'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
4418: }
4419: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
4420: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4421: 'problems_for_students', 'CHOOSE_STUDENTS'];
4422: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
4423: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4424: 'problems_for_anon', 'CHOOSE_ANON1'];
4425: }
4426:
4427: my $randomly_ordered_warning =
4428: &get_randomly_ordered_warning($helper, $map);
4429:
4430: # resource_selector will hold a few states that:
4431: # - Allow resources to be selected for printing.
4432: # - Determine pagination between assignments.
4433: # - Determine how many assignments should be bundled into a single PDF.
4434: # TODO:
4435: # Probably good to do things like separate this up into several vars, each
4436: # with one state, and use REGEXPs at inclusion time to set state names
4437: # and next states for better mix and match capability
4438: #
4439: my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
4440: 'Select resources to print',
4441: 'multichoice="1" addstatus="1" closeallpages="1" modallink="1"',
4442: 'RESOURCES',
4443: 'PRINT_FORMATTING',
4444: $map,
4445: $isProblem, '', $symbFilter,
4446: $start_new_option);
4447: $resource_selector .= &generate_format_selector($helper,
4448: 'How should results be printed?',
4449: 'PRINT_FORMATTING').
4450: &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
4451: 'Select Problem(s) to print',
4452: "multichoice='1' addstatus='1' closeallpages ='1' modallink='1'",
4453: 'RESOURCES',
4454: 'PRINT_FORMATTING',
4455: $url,
4456: $isProblem, '', $symbFilter,
4457: $start_new_option);
4458:
4459:
4460: # Generate student choosers.
4461:
4462:
4463:
4464: &Apache::lonxml::xmlparse($r, 'helper',
4465: &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
4466: 'student_sort',
4467: 'STUDENTS',
4468: 'CHOOSE_STUDENTS_PAGE'));
4469: &Apache::lonxml::xmlparse($r, 'helper',
4470: &generate_student_chooser('CHOOSE_STUDENTS',
4471: 'student_sort',
4472: 'STUDENTS',
4473: 'SELECT_PROBLEMS'));
4474: &Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
4475:
4476: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4477: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4478: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
4479: my $namechoice='<choice></choice>';
4480: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
4481: if ($name =~ /^error: 2 /) { next; }
4482: if ($name =~ /^type\0/) { next; }
4483: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
4484: }
4485:
4486:
4487: my %code_values;
4488: my %codes_to_print;
4489: foreach my $key (@names) {
4490: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
4491: foreach my $key (keys(%code_values)) {
4492: $codes_to_print{$key} = 1;
4493: }
4494: }
4495:
4496: my $code_selection;
4497: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
4498: my $choice = $code;
4499: if ($code =~ /^[A-Z]+$/) { # Alpha code
4500: $choice = &letters_to_num($code);
4501: }
4502: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
4503: }
4504: if (%codes_to_print) {
4505: $code_selection .='
4506: <message><b>Choose single CODE from list:</b></message>
4507: <message></td><td></message>
4508: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
4509: <choice></choice>
4510: <exec>
4511: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
4512: </exec>
4513: </dropdown>
4514: <message></td></tr><tr><td></message>
4515: '.$/;
4516:
4517: }
4518:
4519: my @lines = &Apache::lonnet::get_scantronformat_file();
4520: my $codechoice='';
4521: foreach my $line (@lines) {
4522: next if (($line =~ /^\#/) || ($line eq ''));
4523: my ($name,$description,$code_type,$code_length)=
4524: (split(/:/,$line))[0,1,2,4];
4525: if ($code_length > 0 &&
4526: $code_type =~/^(letter|number|-1)/) {
4527: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
4528: }
4529: }
4530: if ($codechoice eq '') {
4531: $codechoice='<choice computer="default">Default</choice>';
4532: }
4533: my $anon1 = &generate_code_selector($helper,
4534: 'CHOOSE_ANON1',
4535: 'SELECT_PROBLEMS',
4536: $codechoice,
4537: $code_selection,
4538: $namechoice) . $resource_selector;
4539:
4540:
4541: &Apache::lonxml::xmlparse($r, 'helper',$anon1);
4542:
4543: my $anon_page = &generate_code_selector($helper,
4544: 'CHOOSE_ANON1_PAGE',
4545: 'SELECT_PROBLEMS_PAGE',
4546: $codechoice,
4547: $code_selection,
4548: $namechoice) .
4549: &generate_resource_chooser('SELECT_PROBLEMS_PAGE',
4550: 'Select Problem(s) to print',
4551: "multichoice='1' addstatus='1' closeallpages ='1' modallink='1'",
4552: 'RESOURCES',
4553: 'PRINT_FORMATTING',
4554: $url,
4555: $isProblem, '', $symbFilter,
4556: $start_new_option);
4557: &Apache::lonxml::xmlparse($r, 'helper', $anon_page);
4558:
4559:
4560: if ($helper->{VARS}->{'assignment'}) {
4561:
4562: # Assignment printing:
4563:
4564: 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'];
4565: 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'];
4566: }
4567:
4568:
4569: $resource_selector=<<RESOURCE_SELECTOR;
4570: <state name="SELECT_RESOURCES" title="Select Resources">
4571: $randomly_ordered_warning
4572: <nextstate>PRINT_FORMATTING</nextstate>
4573: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
4574: <resource variable="RESOURCES" multichoice="1" addstatus="1"
4575: closeallpages="1" modallink="1">
4576: <filterfunc>return $isNotMap;</filterfunc>
4577: <mapurl>$map</mapurl>
4578: <valuefunc>return $symbFilter;</valuefunc>
4579: $start_new_option
4580: </resource>
4581: </state>
4582: RESOURCE_SELECTOR
4583:
4584: $resource_selector .= &generate_format_selector($helper,
4585: 'Format of the print job',
4586: 'PRINT_FORMATTING');
4587: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
4588: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
4589: <choices variable='student_sort'>
4590: <choice computer='0'>Sort by section then student</choice>
4591: <choice computer='1'>Sort by students across sections.</choice>
4592: </choices>
4593: <message><br /><hr /><br /></message>
4594: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
4595:
4596: </state>
4597: $resource_selector
4598: CHOOSE_STUDENTS1
4599:
4600: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
4601: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
4602: <nextstate>SELECT_RESOURCES</nextstate>
4603: <message><h4>Fill out one of the forms below</h4></message>
4604: <message><br /><hr /> <br /></message>
4605: <message><h3>Generate new CODEd Assignments</h3></message>
4606: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
4607: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
4608: <validator>
4609: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
4610: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4611: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
4612: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4613: return "You need to specify the number of assignments to print";
4614: }
4615: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
4616: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
4617: return 'Specifying number of codes to print and a specific code is not compatible';
4618: }
4619: return undef;
4620: </validator>
4621: </string>
4622: <message></td></tr><tr><td></message>
4623: <message><b>Names to save the CODEs under for later:</b></message>
4624: <message></td><td></message>
4625: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
4626: <message></td></tr><tr><td></message>
4627: <message><b>Bubblesheet type:</b></message>
4628: <message></td><td></message>
4629: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
4630: $codechoice
4631: </dropdown>
4632: <message></td></tr><tr><td></table></message>
4633: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
4634: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
4635: <string variable="SINGLE_CODE" size="10">
4636: <validator>
4637: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
4638: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4639: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4640: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
4641: \$helper->{'VARS'}{'CODE_OPTION'});
4642: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
4643: return 'Specifying a code name is incompatible specifying number of codes.';
4644: } else {
4645: return undef; # Other forces control us.
4646: }
4647: </validator>
4648: </string>
4649: <message></td></tr><tr><td></message>
4650: $code_selection
4651: <message></td></tr></table></message>
4652: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
4653: <message><b>Select saved CODEs:</b></message>
4654: <message></td><td></message>
4655: <dropdown variable="REUSE_OLD_CODES">
4656: $namechoice
4657: </dropdown>
4658: <message></td></tr></table></message>
4659: </state>
4660: $resource_selector
4661: CHOOSE_ANON2
4662: }
4663:
4664: # FIXME: That RE should come from a library somewhere.
4665: if (($perm{'pav'}
4666: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
4667: && (defined($helper->{'VARS'}->{'construction'})
4668: ||
4669: (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
4670: &&
4671: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
4672: ))
4673: && $helper->{VARS}->{'assignment'} eq ""
4674: ) {
4675: my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
4676: 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'];
4677: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
4678: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
4679:
4680: <files variable="FILES" multichoice='1'>
4681: <nextstate>PAGESIZE</nextstate>
4682: <filechoice>return '$subdir';</filechoice>
4683: CHOOSE_FROM_SUBDIR
4684:
4685: # this is broken up because I really want interpolation above,
4686: # and I really DON'T want it below
4687: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
4688: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
4689: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
4690: </filefilter>
4691: </files>
4692: </state>
4693: CHOOSE_FROM_SUBDIR
4694: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4695: }
4696:
4697: # Allow the user to select any sequence in the course, feed it to
4698: # another resource selector for that sequence
4699: if (!$helper->{VARS}->{'construction'} && !$is_published) {
4700: push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
4701: 'select_sequences', 'CHOOSE_SEQUENCE'];
4702: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
4703: #Escape apostrophes and backslashes for Perl
4704: $escapedSequenceName =~ s/\\/\\\\/g;
4705: $escapedSequenceName =~ s/'/\\'/g;
4706: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
4707: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
4708: <message>Select the sequence to print resources from:</message>
4709: <resource variable="SEQUENCE">
4710: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
4711: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
4712: <valuefunc>return $urlValue;</valuefunc>
4713: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
4714: </choicefunc>
4715: </resource>
4716: </state>
4717: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
4718: <message>(mark desired resources then click "next" button) <br /></message>
4719: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
4720: closeallpages="1" modallink="1">
4721: <nextstate>PAGESIZE</nextstate>
4722: <filterfunc>return $isNotMap</filterfunc>
4723: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
4724: <valuefunc>return $symbFilter;</valuefunc>
4725: $start_new_option
4726: </resource>
4727: </state>
4728: CHOOSE_FROM_ANY_SEQUENCE
4729: }
4730:
4731: my $numchoices = 0;
4732: if (ref($printChoices) eq 'ARRAY') {
4733: $numchoices = @{$printChoices};
4734: }
4735: # Early out if nothing to print
4736: if (!$numchoices) {
4737: $r->print(&Apache::loncommon::start_page('Printing Helper').
4738: '<h2>'.&mt('Unable to determine print context').'</h2>'.
4739: '<p>'.&mt('Please display a resource, and then click the "Print" button/icon').'</p>');
4740: my $prtspool=$r->dir_config('lonPrtDir');
4741: my $footer = &recently_generated($prtspool);
4742: $r->print($footer.&Apache::loncommon::end_page());
4743: return OK;
4744: }
4745:
4746: # Generate the first state, to select which resources get printed.
4747: Apache::lonhelper::state->new("START", "Select Printing Options:");
4748: if (!$res_printable) {
4749: my $noprintmsg;
4750: if ($res_error) {
4751: $noprintmsg = &mt('Print availability for current resource could not be determined');
4752: } else {
4753: my $now = time;
4754: my $shownprintstart = &Apache::lonlocal::locallocaltime($res_printstartdate);
4755: my $shownprintend = &Apache::lonlocal::locallocaltime($res_printenddate);
4756: if (($res_printenddate) && ($res_printenddate < $now)) {
4757: $noprintmsg = &mt('Printing for current resource no longer available (ended: [_1])',
4758: $shownprintend);
4759: } else {
4760: if (($res_printstartdate) && ($res_printstartdate > $now)) {
4761: if (($res_printenddate) && ($res_printenddate > $now) && ($res_printenddate > $res_printstartdate)) {
4762: $noprintmsg = &mt('Printing for current resource is only possible between [_1] and [_2]',
4763: $shownprintstart,$shownprintend);
4764: } elsif (!$res_printenddate) {
4765: $noprintmsg = &mt('Printing for current resource will only be possible starting [_1]',
4766: $shownprintstart);
4767: } else {
4768: $noprintmsg = &mt('Printing for current resource is unavailable');
4769: }
4770: }
4771: }
4772: }
4773:
4774: if ($noprintmsg) {
4775: $paramHash = Apache::lonhelper::getParamHash();
4776: $paramHash->{MESSAGE_TEXT} =
4777: '<p class="LC_info">'.$noprintmsg.'</p>';
4778: Apache::lonhelper::message->new();
4779: }
4780: }
4781: $paramHash = Apache::lonhelper::getParamHash();
4782: $paramHash = Apache::lonhelper::getParamHash();
4783: $paramHash->{MESSAGE_TEXT} = "";
4784: Apache::lonhelper::message->new();
4785: $paramHash = Apache::lonhelper::getParamHash();
4786: $paramHash->{'variable'} = 'PRINT_TYPE';
4787: $paramHash->{CHOICES} = $printChoices;
4788: Apache::lonhelper::choices->new();
4789:
4790: my $startedTable = 0; # have we started an HTML table yet? (need
4791: # to close it later)
4792:
4793: if (($perm{'pav'} and $perm{'vgr'}) or
4794: ($helper->{VARS}->{'construction'} eq '1')) {
4795: &addMessage('<br />'
4796: .'<h3>'.&mt('Print Options').'</h3>'
4797: .&Apache::lonhtmlcommon::start_pick_box()
4798: .&Apache::lonhtmlcommon::row_title(
4799: '<label for="ANSWER_TYPE_forminput">'
4800: .&mt('Print Answers')
4801: .'</label>'
4802: )
4803: );
4804: $paramHash = Apache::lonhelper::getParamHash();
4805: $paramHash->{'variable'} = 'ANSWER_TYPE';
4806: $helper->declareVar('ANSWER_TYPE');
4807: $paramHash->{CHOICES} = [
4808: ['Without Answers', 'yes'],
4809: ['With Answers', 'no'],
4810: ['Only Answers', 'only']
4811: ];
4812: Apache::lonhelper::dropdown->new();
4813: &addMessage(&Apache::lonhtmlcommon::row_closure());
4814: $startedTable = 1;
4815:
4816: #
4817: # Select font size.
4818: #
4819:
4820: $helper->declareVar('fontsize');
4821: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
4822: my $xmlfrag = << "FONT_SELECTION";
4823:
4824:
4825: <dropdown variable='fontsize' multichoice='0' allowempty='0'>
4826: <defaultvalue>
4827: return 'normalsize';
4828: </defaultvalue>
4829: <choice computer='tiny'>Tiny</choice>
4830: <choice computer='sub/superscriptsize'>Script Size</choice>
4831: <choice computer='footnotesize'>Footnote Size</choice>
4832: <choice computer='small'>Small</choice>
4833: <choice computer='normalsize'>Normal (default)</choice>
4834: <choice computer='large'>larger than normal</choice>
4835: <choice computer='Large'>Even larger than normal</choice>
4836: <choice computer='LARGE'>Still larger than normal</choice>
4837: <choice computer='huge'>huge font size</choice>
4838: <choice computer='Huge'>Largest possible size</choice>
4839: </dropdown>
4840: FONT_SELECTION
4841: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4842: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4843: }
4844:
4845: if ($perm{'pav'}) {
4846: if (!$startedTable) {
4847: addMessage("<hr width='33%' /><table><tr><td align='right'>".
4848: '<label for="LATEX_TYPE_forminput">'.
4849: &mt('LaTeX mode').
4850: "</label>: </td><td>");
4851: $startedTable = 1;
4852: } else {
4853: &addMessage(&Apache::lonhtmlcommon::row_title(
4854: '<label for="LATEX_TYPE_forminput">'
4855: .&mt('LaTeX mode')
4856: .'</label>'
4857: )
4858: );
4859: }
4860: $paramHash = Apache::lonhelper::getParamHash();
4861: $paramHash->{'variable'} = 'LATEX_TYPE';
4862: $helper->declareVar('LATEX_TYPE');
4863: if ($helper->{VARS}->{'construction'} eq '1') {
4864: $paramHash->{CHOICES} = [
4865: ['standard LaTeX mode', 'standard'],
4866: ['LaTeX batchmode', 'batchmode'], ];
4867: } else {
4868: $paramHash->{CHOICES} = [
4869: ['LaTeX batchmode', 'batchmode'],
4870: ['standard LaTeX mode', 'standard'] ];
4871: }
4872: Apache::lonhelper::dropdown->new();
4873:
4874: &addMessage(&Apache::lonhtmlcommon::row_closure()
4875: .&Apache::lonhtmlcommon::row_title(
4876: '<label for="TABLE_CONTENTS_forminput">'
4877: .&mt('Print Table of Contents')
4878: .'</label>'
4879: )
4880: );
4881: $paramHash = Apache::lonhelper::getParamHash();
4882: $paramHash->{'variable'} = 'TABLE_CONTENTS';
4883: $helper->declareVar('TABLE_CONTENTS');
4884: $paramHash->{CHOICES} = [
4885: ['No', 'no'],
4886: ['Yes', 'yes'] ];
4887: Apache::lonhelper::dropdown->new();
4888: &addMessage(&Apache::lonhtmlcommon::row_closure());
4889:
4890: if (not $helper->{VARS}->{'construction'}) {
4891: &addMessage(&Apache::lonhtmlcommon::row_title(
4892: '<label for="TABLE_INDEX_forminput">'
4893: .&mt('Print Index')
4894: .'</label>'
4895: )
4896: );
4897: $paramHash = Apache::lonhelper::getParamHash();
4898: $paramHash->{'variable'} = 'TABLE_INDEX';
4899: $helper->declareVar('TABLE_INDEX');
4900: $paramHash->{CHOICES} = [
4901: ['No', 'no'],
4902: ['Yes', 'yes'] ];
4903: Apache::lonhelper::dropdown->new();
4904: &addMessage(&Apache::lonhtmlcommon::row_closure());
4905: &addMessage(&Apache::lonhtmlcommon::row_title(
4906: '<label for="PRINT_DISCUSSIONS_forminput">'
4907: .&mt('Print Discussions')
4908: .'</label>'
4909: )
4910: );
4911: $paramHash = Apache::lonhelper::getParamHash();
4912: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
4913: $helper->declareVar('PRINT_DISCUSSIONS');
4914: $paramHash->{CHOICES} = [
4915: ['No', 'no'],
4916: ['Yes', 'yes'] ];
4917: Apache::lonhelper::dropdown->new();
4918: &addMessage(&Apache::lonhtmlcommon::row_closure());
4919:
4920: # Prompt for printing annotations too.
4921:
4922: &addMessage(&Apache::lonhtmlcommon::row_title(
4923: '<label for="PRINT_ANNOTATIONS_forminput">'
4924: .&mt('Print Annotations')
4925: .'</label>'
4926: )
4927: );
4928: $paramHash = Apache::lonhelper::getParamHash();
4929: $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
4930: $helper->declareVar("PRINT_ANNOTATIONS");
4931: $paramHash->{CHOICES} = [
4932: ['No', 'no'],
4933: ['Yes', 'yes']];
4934: Apache::lonhelper::dropdown->new();
4935: &addMessage(&Apache::lonhtmlcommon::row_closure());
4936:
4937: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
4938: $paramHash = Apache::lonhelper::getParamHash();
4939: $paramHash->{'multichoice'} = "true";
4940: $paramHash->{'allowempty'} = "true";
4941: $paramHash->{'variable'} = "showallfoils";
4942: $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
4943: Apache::lonhelper::choices->new();
4944: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4945: }
4946:
4947: if ($helper->{'VARS'}->{'construction'}) {
4948: my $stylevalue='$Apache::lonnet::env{"construct.style"}';
4949: my $randseedtext=&mt("Use random seed");
4950: my $stylefiletext=&mt("Use style file");
4951: my $selectfiletext=&mt("Select style file");
4952:
4953: my $xmlfrag .= '<message>'
4954: .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
4955: .$randseedtext
4956: .'</label>'
4957: )
4958: .'</message>
4959: <string variable="curseed" size="15" maxlength="15">
4960: <defaultvalue>
4961: return '.$helper->{VARS}->{'curseed'}.';
4962: </defaultvalue>'
4963: .'</string>'
4964: .'<message>'
4965: .&Apache::lonhtmlcommon::row_closure()
4966: .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
4967: .$stylefiletext
4968: .'</label>'
4969: )
4970: .'</message>
4971: <string variable="style_file" size="40">
4972: <defaultvalue>
4973: return '.$stylevalue.';
4974: </defaultvalue>
4975: </string><message> '
4976: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
4977: .$selectfiletext.'</a>'
4978: .&Apache::lonhtmlcommon::row_closure()
4979: .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
4980: .'</message>
4981: <choices allowempty="1" multichoice="true" variable="showallfoils">
4982: <choice computer="1"> </choice>
4983: </choices>'
4984: .'<message>'
4985: .&Apache::lonhtmlcommon::row_closure()
4986: .'</message>';
4987: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4988:
4989:
4990: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
4991: #
4992: # Initial value from construction space:
4993: #
4994: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4995: $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value
4996: }
4997: $xmlfrag = << "PROBTYPE";
4998: <dropdown variable="probstatus" multichoice="0" allowempty="0">
4999: <defaultvalue>
5000: return "$helper->{VARS}->{'probstatus'}";
5001: </defaultvalue>
5002: <choice computer="problem">Homework Problem</choice>
5003: <choice computer="exam">Bubblesheet Exam Problem</choice>
5004: <choice computer="survey">Survey question</choice>
5005: ,choice computer="anonsurvey"Anonymous survey question</choice>
5006: </dropdown>
5007: PROBTYPE
5008: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
5009: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
5010:
5011:
5012:
5013: }
5014: }
5015:
5016:
5017:
5018:
5019: if ($startedTable) {
5020: &addMessage(&Apache::lonhtmlcommon::end_pick_box());
5021: }
5022:
5023: Apache::lonprintout::page_format_state->new("FORMAT");
5024:
5025: # Generate the PAGESIZE state which will offer the user the margin
5026: # choices if they select one column
5027: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
5028: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
5029:
5030:
5031: $helper->process();
5032:
5033:
5034: # MANUAL BAILOUT CONDITION:
5035: # If we're in the "final" state, bailout and return to handler
5036: if ($helper->{STATE} eq 'FINAL') {
5037: return $helper;
5038: }
5039:
5040: my $footer;
5041: if ($helper->{STATE} eq 'START') {
5042: my $prtspool=$r->dir_config('lonPrtDir');
5043: $footer = &recently_generated($prtspool);
5044: }
5045: $r->print($helper->display($footer));
5046: &Apache::lonhelper::unregisterHelperTags();
5047:
5048: return OK;
5049: }
5050:
5051:
5052: 1;
5053:
5054: package Apache::lonprintout::page_format_state;
5055:
5056: =pod
5057:
5058: =head1 Helper element: page_format_state
5059:
5060: See lonhelper.pm documentation for discussion of the helper framework.
5061:
5062: Apache::lonprintout::page_format_state is an element that gives the
5063: user an opportunity to select the page layout they wish to print
5064: with: Number of columns, portrait/landscape, and paper size. If you
5065: want to change the paper size choices, change the @paperSize array
5066: contents in this package.
5067:
5068: page_format_state is always directly invoked in lonprintout.pm, so there
5069: is no tag interface. You actually pass parameters to the constructor.
5070:
5071: =over 4
5072:
5073: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
5074:
5075: =back
5076:
5077: =cut
5078:
5079: use Apache::lonhelper;
5080:
5081: no strict;
5082: @ISA = ("Apache::lonhelper::element");
5083: use strict;
5084: use Apache::lonlocal;
5085: use Apache::lonnet;
5086:
5087: my $maxColumns = 2;
5088: # it'd be nice if these all worked
5089: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
5090: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
5091: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
5092: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
5093: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
5094: "a4 [210x297 mm]");
5095:
5096: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
5097: # Paper type
5098:
5099: sub new {
5100: my $self = Apache::lonhelper::element->new();
5101:
5102: shift;
5103:
5104: $self->{'variable'} = shift;
5105: my $helper = Apache::lonhelper::getHelper();
5106: $helper->declareVar($self->{'variable'});
5107: bless($self);
5108: return $self;
5109: }
5110:
5111: sub render {
5112: my $self = shift;
5113: my $helper = Apache::lonhelper::getHelper();
5114: my $result = '';
5115: my $var = $self->{'variable'};
5116: my $PageLayout=&mt('Page layout');
5117: my $NumberOfColumns=&mt('Number of columns');
5118: my $PaperType=&mt('Paper type');
5119: my $landscape=&mt('Landscape');
5120: my $portrait=&mt('Portrait');
5121: my $pdfFormLabel=&mt('PDF Form Fields');
5122: my $with=&mt('with Form Fields');
5123: my $without=&mt('without Form Fields');
5124:
5125:
5126: $result.='<h3>'.&mt('Layout Options').'</h3>'
5127: .&Apache::loncommon::start_data_table()
5128: .&Apache::loncommon::start_data_table_header_row()
5129: .'<th>'.$PageLayout.'</th>'
5130: .'<th>'.$NumberOfColumns.'</th>'
5131: .'<th>'.$PaperType.'</th>'
5132: .'<th>'.$pdfFormLabel.'</th>'
5133: .&Apache::loncommon::end_data_table_header_row()
5134: .&Apache::loncommon::start_data_table_row()
5135: .'<td>'
5136: .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
5137: .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
5138: .'</td>';
5139:
5140: $result.='<td align="center">'
5141: .'<select name="'.${var}.'.cols">';
5142:
5143: my $i;
5144: for ($i = 1; $i <= $maxColumns; $i++) {
5145: if ($i == 2) {
5146: $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
5147: } else {
5148: $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
5149: }
5150: }
5151:
5152: $result .= "</select></td><td>\n";
5153: $result .= "<select name='${var}.paper'>\n";
5154:
5155: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
5156: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
5157: $DefaultPaperSize=~s/\s//g;
5158: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
5159: $i = 0;
5160: foreach (@paperSize) {
5161: $_=~/(\w+)/;
5162: my $papersize=$1;
5163: if ($paperSize[$i]=~/$DefaultPaperSize/) {
5164: $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
5165: } else {
5166: $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
5167: }
5168: $i++;
5169: }
5170: $result .= <<HTML;
5171: </select>
5172: </td>
5173: <td align='center'>
5174: <select name='${var}.pdfFormFields'>
5175: <option selected="selected" value="no">$without</option>
5176: <option value="yes">$with</option>
5177: </select>
5178: </td>
5179: HTML
5180: $result.=&Apache::loncommon::end_data_table_row()
5181: .&Apache::loncommon::end_data_table();
5182:
5183: return $result;
5184: }
5185:
5186: sub postprocess {
5187: my $self = shift;
5188:
5189: my $var = $self->{'variable'};
5190: my $helper = Apache::lonhelper->getHelper();
5191: $helper->{VARS}->{$var} =
5192: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
5193: $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
5194: return 1;
5195: }
5196:
5197: 1;
5198:
5199: package Apache::lonprintout::page_size_state;
5200:
5201: =pod
5202:
5203: =head1 Helper element: page_size_state
5204:
5205: See lonhelper.pm documentation for discussion of the helper framework.
5206:
5207: Apache::lonprintout::page_size_state is an element that gives the
5208: user the opportunity to further refine the page settings if they
5209: select a single-column page.
5210:
5211: page_size_state is always directly invoked in lonprintout.pm, so there
5212: is no tag interface. You actually pass parameters to the constructor.
5213:
5214: =over 4
5215:
5216: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
5217:
5218: =back
5219:
5220: =cut
5221:
5222: use Apache::lonhelper;
5223: use Apache::lonnet;
5224: no strict;
5225: @ISA = ("Apache::lonhelper::element");
5226: use strict;
5227:
5228:
5229:
5230: sub new {
5231: my $self = Apache::lonhelper::element->new();
5232:
5233: shift; # disturbs me (probably prevents subclassing) but works (drops
5234: # package descriptor)... - Jeremy
5235:
5236: $self->{'variable'} = shift;
5237: my $helper = Apache::lonhelper::getHelper();
5238: $helper->declareVar($self->{'variable'});
5239:
5240: # The variable name of the format element, so we can look into
5241: # $helper->{VARS} to figure out whether the columns are one or two
5242: $self->{'formatvar'} = shift;
5243:
5244:
5245: $self->{NEXTSTATE} = shift;
5246: bless($self);
5247:
5248: return $self;
5249: }
5250:
5251: sub render {
5252: my $self = shift;
5253: my $helper = Apache::lonhelper::getHelper();
5254: my $result = '';
5255: my $var = $self->{'variable'};
5256:
5257:
5258:
5259: if (defined $self->{ERROR_MSG}) {
5260: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
5261: }
5262:
5263: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5264:
5265: # Use format to get sensible defaults for the margins:
5266:
5267:
5268: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5269: ($papersize) = split(/ /, $papersize);
5270:
5271: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5272:
5273:
5274:
5275: my %size;
5276: ($size{'width_and_units'},
5277: $size{'height_and_units'},
5278: $size{'margin_and_units'})=
5279: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5280:
5281: foreach my $dimension ('width','height','margin') {
5282: ($size{$dimension},$size{$dimension.'_unit'}) =
5283: split(/ +/, $size{$dimension.'_and_units'},2);
5284:
5285: foreach my $unit ('cm','in') {
5286: $size{$dimension.'_options'} .= '<option ';
5287: if ($size{$dimension.'_unit'} eq $unit) {
5288: $size{$dimension.'_options'} .= 'selected="selected" ';
5289: }
5290: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
5291: }
5292: }
5293:
5294: # Adjust margin for LaTeX margin: .. requires units == cm or in.
5295:
5296: if ($size{'margin_unit'} eq 'in') {
5297: $size{'margin'} += 1;
5298: } else {
5299: $size{'margin'} += 2.54;
5300: }
5301: my %lt = &Apache::lonlocal::texthash(
5302: 'format' => 'How should each column be formatted?',
5303: 'width' => 'Width',
5304: 'height' => 'Height',
5305: 'margin' => 'Left Margin'
5306: );
5307:
5308: $result .= '<p>'.$lt{'format'}.'</p>'
5309: .&Apache::lonhtmlcommon::start_pick_box()
5310: .&Apache::lonhtmlcommon::row_title($lt{'width'})
5311: .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
5312: .'<select name="'.$var.'.widthunit">'
5313: .$size{'width_options'}
5314: .'</select>'
5315: .&Apache::lonhtmlcommon::row_closure()
5316: .&Apache::lonhtmlcommon::row_title($lt{'height'})
5317: .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
5318: .'<select name="'.$var.'.heightunit">'
5319: .$size{'height_options'}
5320: .'</select>'
5321: .&Apache::lonhtmlcommon::row_closure()
5322: .&Apache::lonhtmlcommon::row_title($lt{'margin'})
5323: .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
5324: .'<select name="'.$var.'.lmarginunit">'
5325: .$size{'margin_options'}
5326: .'</select>'
5327: .&Apache::lonhtmlcommon::row_closure(1)
5328: .&Apache::lonhtmlcommon::end_pick_box();
5329: # <p>Hint: Some instructors like to leave scratch space for the student by
5330: # making the width much smaller than the width of the page.</p>
5331:
5332: return $result;
5333: }
5334:
5335:
5336: sub preprocess {
5337: my $self = shift;
5338: my $helper = Apache::lonhelper::getHelper();
5339:
5340: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5341:
5342: # If the user does not have 'pav' privilege, set default widths and
5343: # on to the next state right away.
5344: #
5345: if (!$perm{'pav'}) {
5346: my $var = $self->{'variable'};
5347: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5348:
5349: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5350: ($papersize) = split(/ /, $papersize);
5351:
5352:
5353: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5354:
5355: # Figure out some good defaults for the print out and set them:
5356:
5357: my %size;
5358: ($size{'width'},
5359: $size{'height'},
5360: $size{'lmargin'})=
5361: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5362:
5363: foreach my $dim ('width', 'height', 'lmargin') {
5364: my ($value, $units) = split(/ /, $size{$dim});
5365:
5366: $helper->{VARS}->{"$var.".$dim} = $value;
5367: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
5368:
5369: }
5370:
5371:
5372: # Transition to the next state
5373:
5374: $helper->changeState($self->{NEXTSTATE});
5375: }
5376:
5377: return 1;
5378: }
5379:
5380: sub postprocess {
5381: my $self = shift;
5382:
5383: my $var = $self->{'variable'};
5384: my $helper = Apache::lonhelper->getHelper();
5385: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
5386: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
5387: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
5388: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
5389: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
5390: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
5391:
5392: my $error = '';
5393:
5394: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
5395: # by an optional period, followed by digits, ending the string
5396:
5397: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5398: $error .= "Invalid width; please type only a number.<br />\n";
5399: }
5400: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5401: $error .= "Invalid height; please type only a number.<br />\n";
5402: }
5403: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5404: $error .= "Invalid left margin; please type only a number.<br />\n";
5405: } else {
5406: # Adjust for LaTeX 1.0 inch margin:
5407:
5408: if ($env{"form.${var}.lmarginunit"} eq "in") {
5409: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
5410: } else {
5411: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
5412: }
5413: }
5414:
5415: if (!$error) {
5416: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
5417: return 1;
5418: } else {
5419: $self->{ERROR_MSG} = $error;
5420: return 0;
5421: }
5422: }
5423:
5424: __END__
5425:
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