1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.627.2.3 2013/01/04 01:27:31 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: # http://www.lon-capa.org/
26: #
27: #
28: package Apache::lonprintout;
29: use strict;
30: use POSIX;
31: use Apache::Constants qw(:common :http);
32: use Apache::lonxml;
33: use Apache::lonnet;
34: use Apache::loncommon;
35: use Apache::inputtags;
36: use Apache::grades;
37: use Apache::edit;
38: use Apache::File();
39: use Apache::lonnavmaps;
40: use Apache::admannotations;
41: use Apache::lonenc;
42: use Apache::entities;
43: use Apache::londefdef;
44: # use Apache::structurelags; # for language management.
45:
46: use File::Basename;
47:
48: use HTTP::Response;
49: use LONCAPA::map();
50: use POSIX qw(ctime);
51: use Apache::lonlocal;
52: use Carp;
53: use LONCAPA;
54:
55:
56: my %perm;
57: my %parmhash;
58: my $resources_printed;
59:
60: # Global variables that describe errors in ssi calls detected by ssi_with_retries.
61: #
62:
63: my $ssi_error; # True if there was an ssi error.
64: my $ssi_last_error_resource; # The resource URI that could not be fetched.
65: my $ssi_last_error; # The error text from the server. (e.g. 500 Server timed out).
66:
67: #
68: # Our ssi max retry count.
69: #
70:
71: my $ssi_retry_count = 5; # Some arbitrary value.
72:
73:
74: # Font size:
75:
76: my $font_size = 'normalsize'; # Default is normalsize...
77:
78: #---------------------------- Helper helpers. -------------------------
79:
80: ##
81: # Filter function to determine if a resource is a printable sequence.
82: #
83: # @param $res -Resource to check.
84: #
85: # @return 1 - printable and a resource
86: # 0 - either notm a sequence or not printable.
87: #
88: sub printable_sequence {
89: my $res = shift;
90:
91: # Non-sequences are not listed:
92:
93: if (!$res->is_sequence()) {
94: return 0;
95: }
96:
97: # Person with pav or pfo can always print:
98:
99: if ($perm{'pav'} || $perm{'pfo'}) {
100: return 1;
101: }
102:
103: if ($res->is_sequence()) {
104: my $symb = $res->symb();
105: my $navmap = $res->{NAV_MAP};
106:
107: # Find the first resource in the map:
108:
109: my $iterator = $navmap->getIterator($res, undef, undef, 1, 1);
110: my $first = $iterator->next();
111:
112: while (1) {
113: if ($first == $iterator->END_ITERATOR) { last; }
114: if (ref($first) && ! $first->is_sequence()) {last; }
115: $first = $iterator->next();
116: }
117:
118:
119: # Might be an empty map:
120:
121: if (!ref($first)) {
122: return 0;
123: }
124: my $partsref = $first->parts();
125: my @parts = @$partsref;
126: my ($open, $close) = $navmap->map_printdates($first, $parts[0]);
127: return &printable($open, $close);
128: }
129: return 0;
130: }
131:
132: # BZ5209:
133: # Create the states needed to run the helper for incomplete problems from
134: # the current folder for selected students.
135: # This includes:
136: # - A resource selector limited to problems (incompleteness must be
137: # calculated on a student per student basis.
138: # - A student selector.
139: # - Tie in to the FORMAT of the print job.
140: #
141: # States:
142: # CHOOSE_INCOMPLETE_PEOPLE_SEQ - Resource selection.
143: # CHOOSE_STUDENTS_INCOMPLETE - Student selection.
144: # CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection
145: # Parameters:
146: # helper - the helper which already contains info about the current folder we can
147: # purloin.
148: # url - Top url of the sequence
149: # Return:
150: # XML that can be parsed by the helper to drive the state machine.
151: #
152: sub create_incomplete_folder_selstud_helper {
153: my ($helper, $map) = @_;
154:
155:
156: my $symbFilter = '$res->shown_symb()';
157: my $selFilter = '$res->is_problem()';
158:
159:
160: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ',
161: 'Select problem(s) to print',
162: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
163: 'RESOURCES',
164: 'CHOOSE_STUDENTS_INCOMPLETE',
165: $map,
166: $selFilter,
167: '',
168: $symbFilter,
169: '');
170:
171: my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE',
172: 'student_sort',
173: 'STUDENTS',
174: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT');
175:
176: my $format_chooser = &generate_format_selector($helper,
177: 'Format of the print job',
178: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
179:
180: return $resource_chooser . $student_chooser . $format_chooser;
181: }
182:
183:
184: # BZ 5209
185: # Create the states needed to run the helper for incomplete problems from
186: # the current folder for selected students.
187: # This includes:
188: # - A resource selector limited to problems. (incompleteness must be calculated
189: # on a student per student basis.
190: # - A student selector.
191: # - Tie in to format for the print job.
192: # States:
193: # INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector.
194: # INCOMPLETE_PROBLEMS_COURSE_STUDENTS - Student selector.
195: # INCOMPLETE_PROBLEMS_COURSE_FORMAT - Format selection.
196: #
197: # Parameters:
198: # helper - Helper we are creating states for.
199: # Returns:
200: # Text that can be parsed by the helper.
201: #
202:
203: sub create_incomplete_course_helper {
204: my $helper = shift;
205:
206: my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
207: my $symbfilter = '$res->shown_symb()';
208:
209: my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES',
210: 'Select problem(s) to print',
211: 'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1"',
212: 'RESOURCES',
213: 'INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
214: '',
215: $filter,
216: '',
217: $symbfilter,
218: '');
219:
220: my $people_chooser = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
221: 'student_sort',
222: 'STUDENTS',
223: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT');
224:
225: my $format = &generate_format_selector($helper,
226: 'Format of the print job',
227: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
228:
229: return $resource_chooser . $people_chooser . $format;
230:
231:
232: }
233:
234: # BZ5209
235: # Creates the states needed to run the print helper for a student
236: # that wants to print his incomplete problems from the current folder.
237: # Parameters:
238: # $helper - helper we are generating states for.
239: # $map - The map for which the student wants incomplete problems.
240: # Returns:
241: # XML that defines the helper states being created.
242: #
243: # States:
244: # CHOOSE_INCOMPLETE_SEQ - Resource selector.
245: #
246: sub create_incomplete_folder_helper {
247: my ($helper, $map) = @_;
248:
249: my $filter = '$res->is_problem()';
250: $filter .= ' && $res->resprintable() ';
251: $filter .= ' && $res->is_incomplete() ';
252:
253: my $symfilter = '$res->shown_symb()';
254:
255: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ',
256: 'Select problem(s) to print',
257: 'multichoice="1", toponly ="1", addstatus="1", closeallpages="1"',
258: 'RESOURCES',
259: 'PAGESIZE',
260: $map,
261: $filter, '',
262: $symfilter,
263: '');
264:
265: return $resource_chooser;
266: }
267:
268:
269: # Returns the text neded for a student chooser.
270: # that text must still be parsed by the helper xml parser.
271: # Parameters:
272: # this_state - State name of the chooser.
273: # sort_choice - variable to hold the sorting choice.
274: # variable - Name of variable to hold students.
275: # next_state - State after chooser.
276:
277:
278: sub generate_student_chooser {
279: my ($this_state,
280: $sort_choice,
281: $variable,
282: $next_state) = @_;
283: my $result = <<CHOOSE_STUDENTS;
284: <state name="$this_state" title="Select Students and Resources">
285: <message><b>Select sorting order of printout</b> </message>
286:
287: <choices variable="$sort_choice">
288: <choice computer='0'>Sort by section then student</choice>
289: <choice computer='1'>Sort by students across sections.</choice>
290: </choices>
291:
292: <message><br /><hr /><br /> </message>
293: <student multichoice='1'
294: variable="$variable"
295: nextstate="$next_state"
296: coursepersonnel="1" />
297: </state>
298:
299: CHOOSE_STUDENTS
300:
301: return $result;
302: }
303:
304: # Generate the text needed for a resource chooser given the top level of
305: # the sequence/page
306: #
307: # Parameters:
308: # this_state - State name of the chooser.
309: # prompt_text - Text to use to prompt user.
310: # resource_options - Resource tag options e.g.
311: # "multichoice='1', toponly='1', addstatus='1'"
312: # that control the selection and appearance of the
313: # resource selector.
314: # variable - Name of the variable to hold the choice
315: # next_state - Name of the next state the helper should transition
316: # to
317: # top_url - Top level URL within which to make the selector.
318: # If empty the top level sequence is shown.
319: # filter - How to filter the resources.
320: # value_func - <valuefunc> function.
321: # choice_func - If not empty generates a <choicefunc> with this function.
322: # start_new_option
323: # - Fragment appended after valuefunc.
324: #
325: #
326: sub generate_resource_chooser {
327: my ($this_state,
328: $prompt_text,
329: $resource_options,
330: $variable,
331: $next_state,
332: $top_url,
333: $filter,
334: $choice_func,
335: $value_func,
336: $start_new_option) = @_;
337:
338: my $result = <<CHOOSE_RESOURCES;
339: <state name="$this_state" title="$prompt_text">
340: <resource variable="$variable" $resource_options
341: closeallpages="1">
342: <nextstate>$next_state</nextstate>
343: <filterfunc>return $filter;</filterfunc>
344: CHOOSE_RESOURCES
345: if ($choice_func ne '') {
346: $result .= "<choicefunc>return $choice_func;</choicefunc>";
347: }
348: if ($top_url ne '') {
349: $result .= "<mapurl>$top_url</mapurl>";
350: }
351: $result .= <<CHOOSE_RESOURCES;
352: <valuefunc>return $value_func;</valuefunc>
353: $start_new_option
354: </resource>
355: </state>
356: CHOOSE_RESOURCES
357: return $result;
358: }
359: #
360: # Generate the helper XML for a code choice helper dialog:
361: #
362: # Paramters:
363: # $helper - Reference to the helper.
364: # $state - Name of the state for the chooser.
365: # $next_state - Name fo the state to follow the chooser.
366: # $bubble_types - Populates the bubble sheet type dropt down.
367: # $code_selections - Provides set of code choices that have been used
368: # $saved_codes - Provides the list of saved codes.
369: #
370: # Returns;
371: # The Xml of the code chooser.
372: #
373: sub generate_code_selector {
374: my ($helper,
375: $state,
376: $next_state,
377: $bubble_types,
378: $code_selections,
379: $saved_codes) = @_; # Unpack the parameters.
380:
381: my $result = <<CHOOSE_ANON1;
382: <state name="$state" title="Specify CODEd Assignments">
383: <nextstate>$next_state</nextstate>
384: <message><h4>Fill out one of the forms below</h4></message>
385: <message><br /><hr /> <br /></message>
386: <message><h3>Generate new CODEd Assignments</h3></message>
387: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
388: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
389: <validator>
390: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
391: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
392: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
393: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
394:
395: return "You need to specify the number of assignments to print";
396: }
397: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
398: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
399: return 'Specifying number of codes to print and a specific code is not compatible';
400: }
401: return undef;
402: </validator>
403: </string>
404: <message></td></tr><tr><td></message>
405: <message><b>Names to save the CODEs under for later:</b></message>
406: <message></td><td></message>
407: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
408: <message></td></tr><tr><td></message>
409: <message><b>Bubblesheet type:</b></message>
410: <message></td><td></message>
411: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
412: $bubble_types
413: </dropdown>
414: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
415: <message></td></tr><tr><td></table></message>
416: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
417: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
418: <string variable="SINGLE_CODE" size="10">
419: <validator>
420: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
421: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
422: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
423: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
424: \$helper->{'VARS'}{'CODE_OPTION'});
425: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
426: return 'Specifying a code name is incompatible with specifying number of codes.';
427: } else {
428: return undef; # Other forces control us.
429: }
430: </validator>
431: </string>
432: <message></td></tr><tr><td></message>
433: $code_selections
434: <message></td></tr></table></message>
435: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
436: <message><b>Select saved CODEs:</b></message>
437: <message></td><td></message>
438: <dropdown variable="REUSE_OLD_CODES">
439: $saved_codes
440: </dropdown>
441: <message></td></tr></table></message>
442: </state>
443: CHOOSE_ANON1
444:
445: return $result;
446: }
447:
448: # Returns the XML for choosing how assignments are to be formatted
449: # that text must still be parsed by the helper xml parser.
450: # Parameters: 3 (required)
451:
452: # helper - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
453: # to check if splitting PDFs by section can be offered.
454: # title - Title for the current state.
455: # this_state - State name of the chooser.
456:
457: sub generate_format_selector {
458: my ($helper,$title,$this_state) = @_;
459: my $secpdfoption;
460: unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
461: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
462: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
463: $secpdfoption = '<choice computer="sections">Each PDF contains exactly one section</choice>';
464: }
465: return <<RESOURCE_SELECTOR;
466: <state name="$this_state" title="$title">
467: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
468: <choices variable="EMPTY_PAGES">
469: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
470: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
471: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
472: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
473: </choices>
474: <nextstate>PAGESIZE</nextstate>
475: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
476: <choices variable="SPLIT_PDFS">
477: <choice computer="all">All assignments in a single PDF file</choice>
478: $secpdfoption
479: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
480: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
481: Specify the number of assignments per PDF:</choice>
482: </choices>
483: </state>
484: RESOURCE_SELECTOR
485: }
486:
487: #-----------------------------------------------------------------------
488:
489: # Computes an open and close date from a list of open/close dates for a resource's
490: # parts.
491: #
492: # @param \@opens - reference to an array of open dates.
493: # @param \@closes - reference to an array of close dates.
494: #
495: # @return ($open, $close)
496: #
497: # @note If open/close dates are not defined they will be retunred as undef
498: # @note It is possible for there to be no overlap in which case -1,-1
499: # will be returned.
500: # @note The algorithm used is to take the latest open date and the earliest end date.
501: #
502: sub compute_open_window {
503: my ($opensref, $closesref) = @_;
504:
505: my @opens = @$opensref;
506: my @closes = @$closesref;
507:
508: # latest open date:
509: my $latest_open;
510:
511: foreach my $open (@opens) {
512: if (!defined($latest_open) || ($open > $latest_open)) {
513: $latest_open = $open;
514: }
515: }
516: # Earliest close:
517:
518: my $earliest_close;
519: foreach my $close (@closes) {
520: if (!defined($earliest_close) || ($close < $earliest_close)) {
521: $earliest_close = $close;
522: }
523: }
524:
525: # If no overlap...both are -1 as promised.
526:
527: if (defined($earliest_close) && defined($latest_open)
528: && ($earliest_close < $latest_open)) {
529: $latest_open = -1;
530: $earliest_close = -1;
531: }
532:
533: return ($latest_open, $earliest_close);
534:
535: }
536:
537: ##
538: # Determines if 'now' is within the set of printable dates.
539: #
540: # @param $open_date - Starting date/timestamp.
541: # @param $close_date - Ending date/timestamp.
542: #
543: # @return 0 - Not open.
544: # @return 1 - open.
545: #
546: sub printable {
547: my ($open_date, $close_date) = @_;
548:
549:
550: my $now = time();
551:
552: # Have to do a bit of fancy footwork around undefined open/close dates:
553:
554: if ($open_date && ($open_date > $now)) {
555: return 0;
556: }
557:
558: if ($close_date && ($close_date < $now)) {
559: return 0;
560: }
561:
562: return 1;
563:
564: }
565:
566: ##
567: # Returns the innermost print start/print end dates for a resource.
568: # This is done by looking at the start/end dates for its parts and choosing
569: # the intersection of those dates.
570: #
571: # @param res - lonnvamaps::resource object that represents the resource.
572: #
573: # @return (opendate, closedate)
574: #
575: # @note If open/close dates are not defined they will be retunred as undef
576: # @note It is possible for there to be no overlap in which case -1,-1
577: # will be returned.
578: # @note The algorithm used is to take the latest open date and the earliest end date.
579: #
580:
581: sub get_print_dates {
582: my $res = shift;
583: my $partsref = $res->parts();
584: my @parts;
585: if (ref($partsref) eq 'ARRAY') {
586: @parts = @{$partsref};
587: }
588: my $open_date;
589: my $close_date;
590: my @open_dates;
591: my @close_dates;
592:
593:
594: if (@parts) {
595: foreach my $part (@parts) {
596: my $partopen = $res->parmval('printstartdate', $part);
597: my $partclose = $res->parmval('printenddate', $part);
598:
599: push(@open_dates, $partopen);
600: push(@close_dates, $partclose);
601: }
602: }
603:
604: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
605:
606: if ($open_date) {
607: $open_date = POSIX::strftime('%D', localtime($open_date));
608: }
609: if ($close_date) {
610: $close_date = POSIX::strftime('%D', localtime($close_date));
611: }
612:
613: return ($open_date, $close_date);
614: }
615:
616: ##
617: # Get the dates for which a course says a resource can be printed. This is like
618: # get_print_dates but namvaps::course_print_dates are gotten...and not converted
619: # to times either.
620: #
621: # @param $res - Reference to a resource has from lonnvampas::resource.
622: #
623: # @return (opendate, closedate)
624: #
625: sub course_print_dates {
626: my $res = shift;
627: my $partsref = $res->parts();
628: my @parts = @$partsref;
629: my $open_date;
630: my $close_date;
631: my @open_dates;
632: my @close_dates;
633: my $navmap = $res->{NAV_MAP}; # Slightly OO dirty.
634:
635: # Don't bother looping over undefined or empty parts arraY;
636:
637: if (@parts) {
638: foreach my $part (@parts) {
639: my ($partopen, $partclose) = $navmap->course_printdates($res, $part);
640: push(@open_dates, $partopen);
641: push(@close_dates, $partclose);
642: }
643: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
644: }
645: return ($open_date, $close_date);
646: }
647: ##
648: # Same as above but for the enclosing map:
649: #
650: sub map_print_dates {
651: my $res = shift;
652: my $partsref = $res->parts();
653: my @parts = @$partsref;
654: my $open_date;
655: my $close_date;
656: my @open_dates;
657: my @close_dates;
658: my $navmap = $res->{NAV_MAP}; # slightly OO dirty.
659:
660:
661: # Don't bother looping over undefined or empty parts arraY;
662:
663: if (@parts) {
664: foreach my $part (@parts) {
665: my ($partopen, $partclose) = $navmap->map_printdates($res, $part);
666: push(@open_dates, $partopen);
667: push(@close_dates, $partclose);
668: }
669: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
670: }
671: return ($open_date, $close_date);
672: }
673:
674: # Determine if a resource is incomplete given the map:
675: # Parameters:
676: # $username - Name of user for whom we are checking.
677: # $domain - Domain of user we are checking.
678: # $map - map name.
679: # Returns:
680: # 0 - map is not incomplete.
681: # 1 - map is incomplete.
682: #
683: sub incomplete {
684: my ($username, $domain, $map) = @_;
685:
686:
687: my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
688:
689:
690: if (defined($navmap)) {
691: my $res = $navmap->getResourceByUrl($map);
692: my $result = $res->is_incomplete();
693: return $result;
694: } else {
695: return 1;
696: }
697: }
698: #
699: # When printing for students, the resoures and order of the
700: # resources may need to be altered if there are folders with
701: # random selectiopn or random ordering (or both) enabled.
702: # This sub computes the set of resources to print for a student
703: # modified both by random ordering and selection and filtered
704: # to only those that are in the original set selcted to be printed.
705: #
706: # Parameters:
707: # $map - The URL of the folder being printed.
708: # Used to determine which startResource and finishResource
709: # to use when using the navmap's getIterator method.
710: # $seq - The original set of resources to print.
711: # (really an array of resource names (array of symb's).
712: # $who - Student/domain for whome the sequence will be generated.
713: # $code - CODE being printed when printing Problems/Resources
714: # from folder for CODEd assignments
715: #
716: # Implicit inputs:
717: # $
718: # Returns:
719: # reference to an array of resources that can be passed to
720: # print_resources.
721: #
722: sub master_seq_to_person_seq {
723: my ($map, $seq, $who, $code) = @_;
724:
725:
726: my ($username, $userdomain, $usersection) = split(/:/, $who);
727:
728: # Toss the sequence up into a hash so that we have O(1) lookup time.
729: # on the items that come out of the user's list of resources.
730: #
731:
732: my %seq_hash = map {$_ => 1} @$seq;
733: my @output_seq;
734:
735: my $navmap = Apache::lonnavmaps::navmap->new($username, $userdomain,
736: $code);
737: my ($start,$finish);
738:
739: if ($map) {
740: my $mapres = $navmap->getResourceByUrl($map);
741: if ($mapres->is_map()) {
742: $start = $mapres->map_start();
743: $finish = $mapres->map_finish();
744: }
745: }
746: unless ($start && $finish) {
747: $start = $navmap->firstResource();
748: $finish = $navmap->finishResource();
749: }
750:
751: my $iterator = $navmap->getIterator($start,$finish,{},1);
752:
753: # Iterate on the resource..select the items that are randomly selected
754: # and that are in the seq_has. Presumably the iterator will take care
755: # of the random ordering part of the deal.
756: #
757: my $curres;
758: while ($curres = $iterator->next()) {
759: #
760: # Only process resources..that are not removed by randomout...
761: # and are selected for printint as well.
762: #
763:
764: if (ref($curres) && ! $curres->randomout()) {
765: my $currsymb = $curres->symb();
766: if (exists($seq_hash{$currsymb})) {
767: push(@output_seq, $currsymb);
768: }
769: }
770: }
771:
772: return \@output_seq; # for now.
773:
774: }
775:
776:
777: # Fetch the contents of a resource, uninterpreted.
778: # This is used here to fetch a latex file to be included
779: # verbatim into the printout<
780: # NOTE: Ask Guy if there is a lonnet function similar to this?
781: #
782: # Parameters:
783: # URL of the file
784: #
785: sub fetch_raw_resource {
786: my ($url) = @_;
787:
788: my $filename = &Apache::lonnet::filelocation("", $url);
789: my $contents = &Apache::lonnet::getfile($filename);
790:
791: if ($contents == -1) {
792: return "File open failed for $filename"; # This will bomb the print.
793: }
794: return $contents;
795:
796:
797: }
798:
799: # Fetch the annotations associated with a URL and
800: # put a centered 'annotations:' title.
801: # This is all suppressed if the annotations are empty.
802: #
803: sub annotate {
804: my ($symb) = @_;
805:
806: my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
807:
808:
809: my $result = "";
810:
811: if (length($annotation_text) > 0) {
812: $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
813: $result .= "\n";
814: $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex.
815: $result .= "\n\n";
816: }
817: return $result;
818: }
819:
820: #
821: # Set a global document font size:
822: # This is done by replacing \begin{document}
823: # with \begin{document}{\some-font-directive
824: # and \end{document} with
825: # }\end{document
826: #
827: sub set_font_size {
828:
829: my ($text) = @_;
830:
831: # There appear to be cases where the font directive is empty.. in which
832: # case the first substituion would insert a spurious \ oh happy day.
833: # as this has been the cause of much mystery and hair pulling _sigh_
834:
835: if ($font_size ne '') {
836:
837: $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
838: }
839: $text =~ s/\\end{document}/}\\end{document}/;
840: return $text;
841:
842:
843: }
844:
845: # include_pdf - PDF files are included into the
846: # output as follows:
847: # - The PDF, if necessary, is replicated.
848: # - The PDF is added to the list of files to convert to postscript (along with the images).
849: # - The LaTeX is added to include the final converted postscript in the file as an included
850: # job. The assumption is that the includedpsheader.ps header will be included.
851: #
852: # Parameters:
853: # pdf_uri - URI of the PDF file to include.
854: #
855: # Returns:
856: # The LaTeX to include.
857: #
858: # Assumptions:
859: # The uri is actually a PDF file
860: # The postscript will have the includepsheader.ps included.
861: #
862: #
863: sub include_pdf {
864: my ($pdf_uri) = @_;
865:
866: # Where is the file? If not local we'll need to repcopy it:'
867:
868: my $file = &Apache::lonnet::filelocation('', $pdf_uri);
869: if (! -e $file) {
870: &Apache::lonnet::repcopy($file);
871: $file = &Apache::lonnet::filelocation('',$pdf_uri);
872: }
873:
874: # The file isn ow replicated locally.. or it did not exist in the first place
875: # (unlikely). If it did exist, add the pdf to the set of files/images that
876: # need tob e converted for this print job:
877:
878: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
879: $file =~ s{(.*)/res/}{$londocroot/res/};
880:
881: open(FILE,">>$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat");
882: print FILE ("$file\n");
883: close (FILE);
884:
885: # Construct the special to put out. To do this we need to get the
886: # resulting filename after conversion. The file will have the same name
887: # but will be in the user's spool directory with converted images.
888:
889: my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
890: my ( $base, $path, $ext) = &fileparse($file, '.pdf');
891: # my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
892: $base =~ s/ /\_/g;
893:
894:
895: my $output = &print_latex_header();
896: $output .= '\special{ps: _begin_job_ ('
897: .$base.'.pdf.eps'.
898: ')run _end_job_}';
899:
900: return $output;
901:
902:
903: }
904: ##
905: # Collect the various \select_language{language_name}
906: # latex tags to build a \usepackage[lang-list]{babel} which will
907: # appear just prior to the \begin{document} at the front of the concatenated
908: # set of resources:
909: # @param doc - The string of latex to search/replace.
910: # @return string
911: # @retval - the modified document stringt.
912: #
913: sub collect_languages {
914: my $doc = shift;
915: my %languages;
916: while ($doc =~ /\\selectlanguage{(\w+)}/mg) {
917: $languages{$1} = 1; # allows us to request each language exactly once.
918: }
919: my @lang_list = (keys(%languages)); # List of unique languages
920: if (scalar @lang_list) {
921: my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n";
922: $doc =~ s/\\begin{document}/$babel_header\\begin{document}/;
923: }
924: return $doc;
925: }
926: #-------------------------------------------------------------------
927:
928: #
929: # ssi_with_retries- Does the server side include of a resource.
930: # if the ssi call returns an error we'll retry it up to
931: # the number of times requested by the caller.
932: # If we still have a proble, no text is appended to the
933: # output and we set some global variables.
934: # to indicate to the caller an SSI error occurred.
935: # All of this is supposed to deal with the issues described
936: # in LonCAPA BZ 5631 see:
937: # http://bugs.lon-capa.org/show_bug.cgi?id=5631
938: # by informing the user that this happened.
939: #
940: # Parameters:
941: # resource - The resource to include. This is passed directly, without
942: # interpretation to lonnet::ssi.
943: # form - The form hash parameters that guide the interpretation of the resource
944: #
945: # retries - Number of retries allowed before giving up completely.
946: # Returns:
947: # On success, returns the rendered resource identified by the resource parameter.
948: # Side Effects:
949: # The following global variables can be set:
950: # ssi_error - If an unrecoverable error occurred this becomes true.
951: # It is up to the caller to initialize this to false
952: # if desired.
953: # ssi_last_error_resource - If an unrecoverable error occurred, this is the value
954: # of the resource that could not be rendered by the ssi
955: # call.
956: # ssi_last_error - The error string fetched from the ssi response
957: # in the event of an error.
958: #
959: sub ssi_with_retries {
960: my ($resource, $retries, %form) = @_;
961:
962: my $target = $form{'grade_target'};
963: my $aom = $form{'answer_output_mode'};
964:
965:
966:
967: my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
968: if (!$response->is_success) {
969: $ssi_error = 1;
970: $ssi_last_error_resource = $resource;
971: $ssi_last_error = $response->code . " " . $response->message;
972: $content='\section*{!!! An error occurred !!!}';
973: }
974:
975: return $content;
976:
977: }
978:
979: sub get_student_view_with_retries {
980: my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
981:
982: my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
983: if (!$response->is_success) {
984: $ssi_error = 1;
985: $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
986: $ssi_last_error = $response->code . " " . $response->message;
987: $content='\section*{!!! An error occurred !!!}';
988: }
989: return $content;
990:
991: }
992:
993: #
994: # printf_style_subst item format_string repl
995: #
996: # Does printf style substitution for a format string that
997: # can have %[n]item in it.. wherever, %[n]item occurs,
998: # rep is substituted in format_string. Note that
999: # [n] is an optional integer length. If provided,
1000: # repl is truncated to at most [n] characters prior to
1001: # substitution.
1002: #
1003: sub printf_style_subst {
1004: my ($item, $format_string, $repl) = @_;
1005: my $result = "";
1006: while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1007: my $fmt = $1;
1008: my $size = $2;
1009: my $subst = $repl;
1010: if ($size ne "") {
1011: $subst = substr($subst, 0, $size);
1012:
1013: # Here's a nice edge case.. supose the end of the
1014: # substring is a \. In that case may have just
1015: # chopped off a TeX escape... in that case, we append
1016: # " " for the trailing character, and let the field
1017: # spill over a bit (sigh).
1018: # We don't just chop off the last character in order to deal
1019: # with one last pathology, and that would be if substr had
1020: # trimmed us to e.g. \\\
1021:
1022:
1023: if ($subst =~ /\\$/) {
1024: $subst .= " ";
1025: }
1026: }
1027: my $item_pos = pos($format_string);
1028: $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
1029: $format_string = substr($format_string, pos($format_string));
1030: }
1031:
1032: # Put the residual format string into the result:
1033:
1034: $result .= $format_string;
1035:
1036: return $result;
1037: }
1038:
1039:
1040: # Format a header according to a format.
1041: #
1042:
1043: # Substitutions:
1044: # %a - Assignment name.
1045: # %c - Course name.
1046: # %n - Student name.
1047: # %s - The section if it is supplied.
1048: #
1049: sub format_page_header {
1050: my ($width, $format, $assignment, $course, $student) = @_;
1051:
1052:
1053:
1054: $width = &recalcto_mm($width); # Get width in mm.
1055: my $chars_per_line = int($width/2); # Character/textline.
1056:
1057: # Default format?
1058:
1059: if ($format eq '') {
1060: # For the default format, we may need to truncate
1061: # elements.. To do this we need to get the page width.
1062: # we assume that each character is about 2mm in width.
1063: # (correct for the header text size??). We ignore
1064: # any formatting (e.g. boldfacing in this).
1065: #
1066: # - Allow the student/course to be one line.
1067: # but only truncate the course.
1068: # - Allow the assignment to be 2 lines (wrapped).
1069: #
1070:
1071: my $firstline = "$student $course";
1072: if (length($firstline) > $chars_per_line) {
1073: my $lastchar = $chars_per_line - length($student) - 1;
1074: if ($lastchar > 0) {
1075: $course = substr($course, 0, $lastchar);
1076: } else { # Nothing left of course:
1077: $course = '';
1078: }
1079: }
1080: if (length($assignment) > $chars_per_line) {
1081: $assignment = substr($assignment, 0, $chars_per_line);
1082: }
1083:
1084: $format = "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
1085:
1086: } else {
1087: # An open question is how to handle long user formatted page headers...
1088: # A possible future is to support e.g. %na so that the user can control
1089: # the truncation of the elements that can appear in the header.
1090: #
1091: $format = &printf_style_subst("a", $format, $assignment);
1092: $format = &printf_style_subst("c", $format, $course);
1093: $format = &printf_style_subst("n", $format, $student);
1094:
1095: # If the user put %'s in the format string, they must be escaped
1096: # to \% else LaTeX will think they are comments and terminate
1097: # the line.. which is bad!!!
1098:
1099: }
1100:
1101: return $format;
1102:
1103:
1104: # If the user has role author, $course and $assignment are empty so
1105: # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
1106: if($format =~ /\\\\\s\\\\\s/) {
1107: #TODO find sensible caption for page header
1108: my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
1109: $format =~ s/\\\\\s\\\\\s/$testPrintout/;
1110: }
1111: #
1112: # We're going to trust LaTeX to break lines appropriately, but
1113: # we'll truncate anything that's more than 3 lines worth of
1114: # text. This is also assuming (which will probably end badly)
1115: # nobody's going to embed LaTeX control sequences in the title
1116: # header or rather that those control sequences won't get broken
1117: # by the stuff below.
1118: #
1119: my $total_length = 3*$chars_per_line;
1120: if (length($format) > $total_length) {
1121: $format = substr($format, 0, $total_length);
1122: }
1123:
1124:
1125: return $format;
1126:
1127: }
1128:
1129: #
1130: # Convert a numeric code to letters
1131: #
1132: sub num_to_letters {
1133: my ($num) = @_;
1134: my @nums= split('',$num);
1135: my @num_to_let=('A'..'Z');
1136: my $word;
1137: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1138: return $word;
1139: }
1140: # Convert a letter code to numeric.
1141: #
1142: sub letters_to_num {
1143: my ($letters) = @_;
1144: my @letters = split('', uc($letters));
1145: my %substitution;
1146: my $digit = 0;
1147: foreach my $letter ('A'..'J') {
1148: $substitution{$letter} = $digit;
1149: $digit++;
1150: }
1151: # The substitution is done as below to preserve leading
1152: # zeroes which are needed to keep the code size exact
1153: #
1154: my $result ="";
1155: foreach my $letter (@letters) {
1156: $result.=$substitution{$letter};
1157: }
1158: return $result;
1159: }
1160:
1161: # Determine if a code is a valid numeric code. Valid
1162: # numeric codes must be comprised entirely of digits and
1163: # have a correct number of digits.
1164: #
1165: # Parameters:
1166: # value - proposed code value.
1167: # num_digits - Number of digits required.
1168: #
1169: sub is_valid_numeric_code {
1170: my ($value, $num_digits) = @_;
1171: # Remove leading/trailing whitespace;
1172: $value =~ s/^\s*//g;
1173: $value =~ s/\s*$//g;
1174:
1175: # All digits?
1176: if ($value !~ /^[0-9]+$/) {
1177: return "Numeric code $value has invalid characters - must only be digits";
1178: }
1179: if (length($value) != $num_digits) {
1180: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
1181: }
1182: return undef;
1183: }
1184: # Determines if a code is a valid alhpa code. Alpha codes
1185: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
1186: # They also have a correct digit count.
1187: # Parameters:
1188: # value - Proposed code value.
1189: # num_letters - correct number of letters.
1190: # Note:
1191: # leading and trailing whitespace are ignored.
1192: #
1193: sub is_valid_alpha_code {
1194: my ($value, $num_letters) = @_;
1195:
1196: # strip leading and trailing spaces.
1197:
1198: $value =~ s/^\s*//g;
1199: $value =~ s/\s*$//g;
1200:
1201: # All alphas in the right range?
1202: if ($value !~ /^[A-J,a-j]+$/) {
1203: return "Invalid letter code $value must only contain A-J";
1204: }
1205: if (length($value) != $num_letters) {
1206: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
1207: }
1208: return undef;
1209: }
1210:
1211: # Determine if a code entered by the user in a helper is valid.
1212: # valid depends on the code type and the type of code selected.
1213: # The type of code selected can either be numeric or
1214: # Alphabetic. If alphabetic, the code, in fact is a simple
1215: # substitution cipher for the actual numeric code: 0->A, 1->B ...
1216: # We'll be nice and be case insensitive for alpha codes.
1217: # Parameters:
1218: # code_value - the value of the code the user typed in.
1219: # code_option - The code type selected from the set in the scantron format
1220: # table.
1221: # Returns:
1222: # undef - The code is valid.
1223: # other - An error message indicating what's wrong.
1224: #
1225: sub is_code_valid {
1226: my ($code_value, $code_option) = @_;
1227: my ($code_type, $code_length) = ('letter', 6); # defaults.
1228: my @lines = &Apache::grades::get_scantronformat_file();
1229: foreach my $line (@lines) {
1230: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
1231: if($name eq $code_option) {
1232: $code_length = $length;
1233: if($type eq 'number') {
1234: $code_type = 'number';
1235: }
1236: }
1237: }
1238: my $valid;
1239: if ($code_type eq 'number') {
1240: return &is_valid_numeric_code($code_value, $code_length);
1241: } else {
1242: return &is_valid_alpha_code($code_value, $code_length);
1243: }
1244:
1245: }
1246: #
1247: # Compare two students by section (Used to sort by section).
1248: #
1249: # Implicit inputs,
1250: # $a - The first one
1251: # $b - The second one.
1252: #
1253: # Returns:
1254: # a-section cmp b-section
1255: #
1256: sub compare_sections {
1257: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1258: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1259:
1260: return $s1 cmp $s2;
1261: }
1262:
1263: # Compare two students by name. The students are in the form
1264: # returned by the helper:
1265: # user:domain:section:last, first:status
1266: # This is a helper function for the perl sort built-in therefore:
1267: # Implicit Inputs:
1268: # $a - The first element to compare (global)
1269: # $b - The second element to compare (global)
1270: # Returns:
1271: # -1 - $a < $b
1272: # 0 - $a == $b
1273: # +1 - $a > $b
1274: # Note that the initial comparison is done on the last names with the
1275: # first names only used to break the tie.
1276: #
1277: #
1278: sub compare_names {
1279: # First split the names up into the primary fields.
1280:
1281: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1282: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1283:
1284: # Now split the last name and first name of each n:
1285: #
1286:
1287: my ($l1,$f1) = split(/,/, $n1);
1288: my ($l2,$f2) = split(/,/, $n2);
1289:
1290: # We don't bother to remove the leading/trailing whitespace from the
1291: # firstname, unless the last names compare identical.
1292:
1293: if($l1 lt $l2) {
1294: return -1;
1295: }
1296: if($l1 gt $l2) {
1297: return 1;
1298: }
1299:
1300: # Break the tie on the first name, but there are leading (possibly trailing
1301: # whitespaces to get rid of first
1302: #
1303: $f1 =~ s/^\s+//; # Remove leading...
1304: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
1305:
1306: $f2 =~ s/^\s+//;
1307: $f2 =~ s/\s+$//; # And the same for first 2...
1308:
1309: if($f1 lt $f2) {
1310: return -1;
1311: }
1312: if($f1 gt $f2) {
1313: return 1;
1314: }
1315:
1316: # Must be the same name.
1317:
1318: return 0;
1319: }
1320:
1321: sub latex_header_footer_remove {
1322: my $text = shift;
1323: $text =~ s/\\end{document}//;
1324: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
1325: return $text;
1326: }
1327: #
1328: # If necessary, encapsulate text inside
1329: # a minipage env.
1330: # necessity is determined by the problem_split param.
1331: #
1332: sub encapsulate_minipage {
1333: my ($text) = @_;
1334: if (!($env{'form.problem.split'} =~ /yes/i)) {
1335: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
1336: }
1337: return $text;
1338: }
1339: #
1340: # The NUMBER_TO_PRINT and SPLIT_PDFS
1341: # variables interact, this sub looks at these two parameters
1342: # and comes up with a final value for NUMBER_TO_PRINT which can be:
1343: # all - if SPLIT_PDFS eq 'all'.
1344: # 1 - if SPLIT_PDFS eq 'oneper'
1345: # section - if SPLIT_PDFS eq 'sections'
1346: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
1347: #
1348: sub adjust_number_to_print {
1349: my $helper = shift;
1350:
1351: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
1352:
1353: if ($split_pdf eq 'all') {
1354: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
1355: } elsif ($split_pdf eq 'oneper') {
1356: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
1357: } elsif ($split_pdf eq 'sections') {
1358: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
1359: } elsif ($split_pdf eq 'usenumber') {
1360: # Unmodified.
1361: } else {
1362: # Error!!!!
1363:
1364: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1365:
1366: }
1367: }
1368:
1369:
1370: sub character_chart {
1371: my $result = shift;
1372: return &Apache::entities::replace_entities($result);
1373: }
1374:
1375: sub old_character_chart {
1376: my $result = shift;
1377: $result =~ s/&\#0?0?(7|9);//g;
1378: $result =~ s/&\#0?(10|13);//g;
1379: $result =~ s/&\#0?32;/ /g;
1380: $result =~ s/&\#0?33;/!/g;
1381: $result =~ s/&(\#0?34|quot);/\"/g;
1382: $result =~ s/&\#0?35;/\\\#/g;
1383: $result =~ s/&\#0?36;/\\\$/g;
1384: $result =~ s/&\#0?37;/\\%/g;
1385: $result =~ s/&(\#0?38|amp);/\\&/g;
1386: $result =~ s/&\#(0?39|146);/\'/g;
1387: $result =~ s/&\#0?40;/(/g;
1388: $result =~ s/&\#0?41;/)/g;
1389: $result =~ s/&\#0?42;/\*/g;
1390: $result =~ s/&\#0?43;/\+/g;
1391: $result =~ s/&\#(0?44|130);/,/g;
1392: $result =~ s/&\#0?45;/-/g;
1393: $result =~ s/&\#0?46;/\./g;
1394: $result =~ s/&\#0?47;/\//g;
1395: $result =~ s/&\#0?48;/0/g;
1396: $result =~ s/&\#0?49;/1/g;
1397: $result =~ s/&\#0?50;/2/g;
1398: $result =~ s/&\#0?51;/3/g;
1399: $result =~ s/&\#0?52;/4/g;
1400: $result =~ s/&\#0?53;/5/g;
1401: $result =~ s/&\#0?54;/6/g;
1402: $result =~ s/&\#0?55;/7/g;
1403: $result =~ s/&\#0?56;/8/g;
1404: $result =~ s/&\#0?57;/9/g;
1405: $result =~ s/&\#0?58;/:/g;
1406: $result =~ s/&\#0?59;/;/g;
1407: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1408: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
1409: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1410: $result =~ s/&\#0?63;/\?/g;
1411: $result =~ s/&\#0?65;/A/g;
1412: $result =~ s/&\#0?66;/B/g;
1413: $result =~ s/&\#0?67;/C/g;
1414: $result =~ s/&\#0?68;/D/g;
1415: $result =~ s/&\#0?69;/E/g;
1416: $result =~ s/&\#0?70;/F/g;
1417: $result =~ s/&\#0?71;/G/g;
1418: $result =~ s/&\#0?72;/H/g;
1419: $result =~ s/&\#0?73;/I/g;
1420: $result =~ s/&\#0?74;/J/g;
1421: $result =~ s/&\#0?75;/K/g;
1422: $result =~ s/&\#0?76;/L/g;
1423: $result =~ s/&\#0?77;/M/g;
1424: $result =~ s/&\#0?78;/N/g;
1425: $result =~ s/&\#0?79;/O/g;
1426: $result =~ s/&\#0?80;/P/g;
1427: $result =~ s/&\#0?81;/Q/g;
1428: $result =~ s/&\#0?82;/R/g;
1429: $result =~ s/&\#0?83;/S/g;
1430: $result =~ s/&\#0?84;/T/g;
1431: $result =~ s/&\#0?85;/U/g;
1432: $result =~ s/&\#0?86;/V/g;
1433: $result =~ s/&\#0?87;/W/g;
1434: $result =~ s/&\#0?88;/X/g;
1435: $result =~ s/&\#0?89;/Y/g;
1436: $result =~ s/&\#0?90;/Z/g;
1437: $result =~ s/&\#0?91;/[/g;
1438: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1439: $result =~ s/&\#0?93;/]/g;
1440: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1441: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
1442: $result =~ s/&\#(0?96|145);/\`/g;
1443: $result =~ s/&\#0?97;/a/g;
1444: $result =~ s/&\#0?98;/b/g;
1445: $result =~ s/&\#0?99;/c/g;
1446: $result =~ s/&\#100;/d/g;
1447: $result =~ s/&\#101;/e/g;
1448: $result =~ s/&\#102;/f/g;
1449: $result =~ s/&\#103;/g/g;
1450: $result =~ s/&\#104;/h/g;
1451: $result =~ s/&\#105;/i/g;
1452: $result =~ s/&\#106;/j/g;
1453: $result =~ s/&\#107;/k/g;
1454: $result =~ s/&\#108;/l/g;
1455: $result =~ s/&\#109;/m/g;
1456: $result =~ s/&\#110;/n/g;
1457: $result =~ s/&\#111;/o/g;
1458: $result =~ s/&\#112;/p/g;
1459: $result =~ s/&\#113;/q/g;
1460: $result =~ s/&\#114;/r/g;
1461: $result =~ s/&\#115;/s/g;
1462: $result =~ s/&\#116;/t/g;
1463: $result =~ s/&\#117;/u/g;
1464: $result =~ s/&\#118;/v/g;
1465: $result =~ s/&\#119;/w/g;
1466: $result =~ s/&\#120;/x/g;
1467: $result =~ s/&\#121;/y/g;
1468: $result =~ s/&\#122;/z/g;
1469: $result =~ s/&\#123;/\\{/g;
1470: $result =~ s/&\#124;/\|/g;
1471: $result =~ s/&\#125;/\\}/g;
1472: $result =~ s/&\#126;/\~/g;
1473: $result =~ s/&\#131;/\\textflorin /g;
1474: $result =~ s/&\#132;/\"/g;
1475: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
1476: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
1477: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1478: $result =~ s/&\#137;/\\textperthousand /g;
1479: $result =~ s/&\#140;/{\\OE}/g;
1480: $result =~ s/&\#147;/\`\`/g;
1481: $result =~ s/&\#148;/\'\'/g;
1482: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1483: $result =~ s/&(\#150|\#8211);/--/g;
1484: $result =~ s/&\#151;/---/g;
1485: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1486: $result =~ s/&\#153;/\\texttrademark /g;
1487: $result =~ s/&\#156;/\\oe/g;
1488: $result =~ s/&\#159;/\\\"Y/g;
1489: $result =~ s/&(\#160|nbsp);/~/g;
1490: $result =~ s/&(\#161|iexcl);/!\`/g;
1491: $result =~ s/&(\#162|cent);/\\textcent /g;
1492: $result =~ s/&(\#163|pound);/\\pounds /g;
1493: $result =~ s/&(\#164|curren);/\\textcurrency /g;
1494: $result =~ s/&(\#165|yen);/\\textyen /g;
1495: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
1496: $result =~ s/&(\#167|sect);/\\textsection /g;
1497: $result =~ s/&(\#168|uml);/\\"\{\} /g;
1498: $result =~ s/&(\#169|copy);/\\copyright /g;
1499: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1500: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1501: $result =~ s/&(\#173|shy);/ - /g;
1502: $result =~ s/&(\#174|reg);/\\textregistered /g;
1503: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
1504: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
1505: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
1506: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
1507: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1508: $result =~ s/&(\#180|acute);/\\'\{\} /g;
1509: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1510: $result =~ s/&(\#182|para);/\\P/g;
1511: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1512: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1513: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1514: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
1515: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
1516: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
1517: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
1518: $result =~ s/&(\#191|iquest);/?\`/g;
1519: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
1520: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
1521: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
1522: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
1523: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
1524: $result =~ s/&(\#197|Aring);/{\\AA}/g;
1525: $result =~ s/&(\#198|AElig);/{\\AE}/g;
1526: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
1527: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
1528: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
1529: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
1530: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
1531: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
1532: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
1533: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
1534: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
1535: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
1536: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
1537: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
1538: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
1539: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
1540: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
1541: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1542: $result =~ s/&(\#216|Oslash);/{\\O}/g;
1543: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
1544: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
1545: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
1546: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
1547: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1548: $result =~ s/&(\#223|szlig);/{\\ss}/g;
1549: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
1550: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
1551: $result =~ s/&(\#226|acirc);/\\^{a}/g;
1552: $result =~ s/&(\#227|atilde);/\\~{a}/g;
1553: $result =~ s/&(\#228|auml);/\\\"{a}/g;
1554: $result =~ s/&(\#229|aring);/{\\aa}/g;
1555: $result =~ s/&(\#230|aelig);/{\\ae}/g;
1556: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
1557: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
1558: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
1559: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
1560: $result =~ s/&(\#235|euml);/\\\"{e}/g;
1561: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
1562: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
1563: $result =~ s/&(\#238|icirc);/\\^{i}/g;
1564: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1565: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1566: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
1567: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
1568: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
1569: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
1570: $result =~ s/&(\#245|otilde);/\\~{o}/g;
1571: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1572: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1573: $result =~ s/&(\#248|oslash);/{\\o}/g;
1574: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
1575: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
1576: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
1577: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
1578: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
1579: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1580: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1581: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1582: #Greek Alphabet
1583: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
1584: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
1585: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
1586: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
1587: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
1588: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
1589: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
1590: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
1591: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
1592: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
1593: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
1594: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
1595: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
1596: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1597: $result =~ s/&(omicron|\#959);/o/g;
1598: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
1599: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
1600: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
1601: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
1602: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
1603: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
1604: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
1605: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
1606: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
1607: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
1608: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1609: $result =~ s/&(Alpha|\#913);/A/g;
1610: $result =~ s/&(Beta|\#914);/B/g;
1611: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
1612: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1613: $result =~ s/&(Epsilon|\#917);/E/g;
1614: $result =~ s/&(Zeta|\#918);/Z/g;
1615: $result =~ s/&(Eta|\#919);/H/g;
1616: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1617: $result =~ s/&(Iota|\#921);/I/g;
1618: $result =~ s/&(Kappa|\#922);/K/g;
1619: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1620: $result =~ s/&(Mu|\#924);/M/g;
1621: $result =~ s/&(Nu|\#925);/N/g;
1622: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1623: $result =~ s/&(Omicron|\#927);/O/g;
1624: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1625: $result =~ s/&(Rho|\#929);/P/g;
1626: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1627: $result =~ s/&(Tau|\#932);/T/g;
1628: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
1629: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1630: $result =~ s/&(Chi|\#935);/X/g;
1631: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
1632: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1633: #Arrows (extended HTML 4.01)
1634: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
1635: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
1636: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
1637: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
1638: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
1639: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
1640: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
1641: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
1642: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
1643: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1644: #Mathematical Operators (extended HTML 4.01)
1645: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
1646: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
1647: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
1648: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
1649: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
1650: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
1651: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
1652: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
1653: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
1654: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
1655: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1656: $result =~ s/–/\\ensuremath\{-\}/g;
1657: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
1658: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
1659: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
1660: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
1661: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
1662: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
1663: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
1664: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
1665: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
1666: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
1667: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
1668: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
1669: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
1670: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
1671: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
1672: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
1673: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
1674: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
1675: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
1676: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
1677: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
1678: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
1679: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
1680: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
1681: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
1682: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1683: #Geometric Shapes (extended HTML 4.01)
1684: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1685: #Miscellaneous Symbols (extended HTML 4.01)
1686: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
1687: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
1688: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
1689: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1690: # Chemically useful 'things' contributed by Hon Kie (bug 4652).
1691:
1692: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
1693: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
1694: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
1695: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
1696: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
1697: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
1698: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
1699: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
1700: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
1701: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
1702: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
1703: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
1704: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1705:
1706: # Left/right quotations:
1707:
1708: $result =~ s/&(ldquo|#8220);/\`\`/g;
1709: $result =~ s/&(rdquo|#8221);/\'\'/g;
1710:
1711:
1712:
1713: return $result;
1714: }
1715:
1716:
1717: #width, height, oddsidemargin, evensidemargin, topmargin
1718: my %page_formats=
1719: ('letter' => {
1720: 'book' => {
1721: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
1722: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1723: },
1724: 'album' => {
1725: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'],
1726: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1727: },
1728: },
1729: 'legal' => {
1730: 'book' => {
1731: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1732: '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1733: },
1734: 'album' => {
1735: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
1736: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1737: },
1738: },
1739: 'tabloid' => {
1740: 'book' => {
1741: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
1742: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
1743: },
1744: 'album' => {
1745: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
1746: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1747: },
1748: },
1749: 'executive' => {
1750: 'book' => {
1751: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
1752: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
1753: },
1754: 'album' => {
1755: '1' => [],
1756: '2' => []
1757: },
1758: },
1759: 'a2' => {
1760: 'book' => {
1761: '1' => [],
1762: '2' => []
1763: },
1764: 'album' => {
1765: '1' => [],
1766: '2' => []
1767: },
1768: },
1769: 'a3' => {
1770: 'book' => {
1771: '1' => [],
1772: '2' => []
1773: },
1774: 'album' => {
1775: '1' => [],
1776: '2' => []
1777: },
1778: },
1779: 'a4' => {
1780: 'book' => {
1781: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1782: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1783: },
1784: 'album' => {
1785: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1786: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1787: },
1788: },
1789: 'a5' => {
1790: 'book' => {
1791: '1' => [],
1792: '2' => []
1793: },
1794: 'album' => {
1795: '1' => [],
1796: '2' => []
1797: },
1798: },
1799: 'a6' => {
1800: 'book' => {
1801: '1' => [],
1802: '2' => []
1803: },
1804: 'album' => {
1805: '1' => [],
1806: '2' => []
1807: },
1808: },
1809: );
1810:
1811: sub page_format {
1812: #
1813: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1814: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1815: # "A2 [420x594 mm]", "A3 [297x420 mm]",
1816: # "A4 [210x297 mm]", "A5 [148x210 mm]",
1817: # "A6 [105x148 mm]"
1818: #
1819: my ($papersize,$layout,$numberofcolumns) = @_;
1820: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1821: }
1822:
1823:
1824: sub get_name {
1825: my ($uname,$udom)=@_;
1826: if (!defined($uname)) { $uname=$env{'user.name'}; }
1827: if (!defined($udom)) { $udom=$env{'user.domain'}; }
1828: my $plainname=&Apache::loncommon::plainname($uname,$udom);
1829: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1830: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1831: return $plainname;
1832: }
1833:
1834: sub get_course {
1835: my $courseidinfo;
1836: if (defined($env{'request.course.id'})) {
1837: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1838: }
1839: return $courseidinfo;
1840: }
1841:
1842: sub page_format_transformation {
1843: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
1844: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1845:
1846: if ($selectionmade eq '4') {
1847: if ($choice eq 'all_problems') {
1848: $assignment=&mt('Problems from the Whole Course');
1849: } else {
1850: $assignment=&mt('Resources from the Whole Course');
1851: }
1852: } else {
1853: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
1854: }
1855: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1856:
1857:
1858: my $name = &get_name();
1859: my $courseidinfo = &get_course();
1860: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1861: my $header_text = $parmhash{'print_header_format'};
1862: $header_text = &format_page_header($textwidth, $header_text, $assignment,
1863: $courseidinfo, $name);
1864: my $topmargintoinsert = '';
1865: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1866: my $fancypagestatement='';
1867: if ($numberofcolumns eq '2') {
1868: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1869: } else {
1870: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1871: }
1872: if ($layout eq 'album') {
1873: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1874: } elsif ($layout eq 'book') {
1875: if ($choice ne 'All class print') {
1876: $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/;
1877: } else {
1878: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
1879: }
1880: if ($papersize eq 'a4') {
1881: my $papersize_text;
1882: if ($perm{'pav'}) {
1883: $papersize_text = '\\special{papersize=210mm,297mm}';
1884: } else {
1885: $papersize_text = '\special{papersize=210mm,297mm}';
1886: }
1887: $text =~ s/(\\begin{document})/$1$papersize_text/;
1888: }
1889: }
1890: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
1891: if ($indexlist eq 'yes') {
1892: $text=~s/(\\begin{document})/\\makeindex $1/;
1893: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
1894: }
1895: return $text;
1896: }
1897:
1898:
1899: sub page_cleanup {
1900: my $result = shift;
1901:
1902: $result =~ m/\\end{document}(\d*)$/;
1903: my $number_of_columns = $1;
1904: my $insert = '{';
1905: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1906: $insert .= '}';
1907: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1908: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
1909: return $result,$number_of_columns;
1910: }
1911:
1912:
1913: sub details_for_menu {
1914: my ($helper)=@_;
1915: my $postdata=$env{'form.postdata'};
1916: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
1917: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
1918: my $symbolic = &Apache::lonnet::symbread($postdata);
1919: return if ( $symbolic eq '');
1920:
1921: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1922: $map=&Apache::lonnet::clutter($map);
1923: my $name_of_sequence = &Apache::lonnet::gettitle($map);
1924: if ($name_of_sequence =~ /^\s*$/) {
1925: $map =~ m|([^/]+)$|;
1926: $name_of_sequence = $1;
1927: }
1928: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1929: if ($name_of_map =~ /^\s*$/) {
1930: $env{'request.course.uri'} =~ m|([^/]+)$|;
1931: $name_of_map = $1;
1932: }
1933: return ($name_of_resource,$name_of_sequence,$name_of_map);
1934: }
1935:
1936: sub copyright_line {
1937: 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 } ';
1938: }
1939: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1940:
1941: sub latex_corrections {
1942: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1943: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1944: my $copyright = ©right_line();
1945: if ($selectionmade eq '1' || $answer_mode eq 'only') {
1946: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1947: } else {
1948: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1949: }
1950: $result =~ s/\$number_of_columns/$number_of_columns/g;
1951: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
1952: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1953: #-- LaTeX corrections
1954: my $first_comment = index($result,'<!--',0);
1955: while ($first_comment != -1) {
1956: my $end_comment = index($result,'-->',$first_comment);
1957: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
1958: $first_comment = index($result,'<!--',$first_comment);
1959: }
1960: $result =~ s/^\s+$//gm; #remove empty lines
1961: #removes more than one empty space
1962: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1963: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
1964: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
1965: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1966: $result =~ s/\\\\\s+\[/ \[/g;
1967: #conversion of html characters to LaTeX equivalents
1968: if ($result =~ m/&(\w+|#\d+);/) {
1969: $result = &character_chart($result);
1970: }
1971: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
1972: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
1973: return $result;
1974: }
1975:
1976:
1977: sub index_table {
1978: my $currentURL = shift;
1979: my $insex_string='';
1980: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
1981: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
1982: return $insex_string;
1983: }
1984:
1985:
1986: sub IndexCreation {
1987: my ($texversion,$currentURL)=@_;
1988: my @key_words=split(/,/,&index_table($currentURL));
1989: my $chunk='';
1990: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
1991: if ($st>0) {
1992: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
1993: $chunk=substr($texversion,0,$st+1);
1994: substr($texversion,0,$st+1)=' ';
1995: }
1996: foreach my $key_word (@key_words) {
1997: if ($key_word=~/\S+/) {
1998: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
1999: }
2000: }
2001: if ($st>0) {substr($texversion,0,1)=$chunk;}
2002: return $texversion;
2003: }
2004:
2005: sub print_latex_header {
2006: my $mode=shift;
2007:
2008: return &Apache::londefdef::latex_header($mode);
2009: }
2010:
2011: sub path_to_problem {
2012: my ($urlp,$colwidth)=@_;
2013: $urlp=&Apache::lonnet::clutter($urlp);
2014:
2015: my $newurlp = '';
2016: $colwidth=~s/\s*mm\s*$//;
2017: #characters average about 2 mm in width
2018: if (length($urlp)*2 > $colwidth) {
2019: my @elements = split('/',$urlp);
2020: my $curlength=0;
2021: foreach my $element (@elements) {
2022: if ($element eq '') { next; }
2023: if ($curlength+(length($element)*2) > $colwidth) {
2024: $newurlp .= '|\vskip -1 mm \verb|';
2025: $curlength=length($element)*2;
2026: } else {
2027: $curlength+=length($element)*2;
2028: }
2029: $newurlp.='/'.$element;
2030: }
2031: } else {
2032: $newurlp=$urlp;
2033: }
2034: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
2035: }
2036:
2037: sub recalcto_mm {
2038: my $textwidth=shift;
2039: my $LaTeXwidth;
2040: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
2041: $LaTeXwidth = $1*10;
2042: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
2043: $LaTeXwidth = $1;
2044: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
2045: $LaTeXwidth = $1*25.4;
2046: }
2047: $LaTeXwidth.=' mm';
2048: return $LaTeXwidth;
2049: }
2050:
2051: sub get_textwidth {
2052: my ($helper,$LaTeXwidth)=@_;
2053: my $textwidth=$LaTeXwidth;
2054: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
2055: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
2056: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
2057: $helper->{'VARS'}->{'pagesize.widthunit'});
2058: }
2059: return $textwidth;
2060: }
2061:
2062:
2063: sub unsupported {
2064: my ($currentURL,$mode,$symb)=@_;
2065: if ($mode ne '') {$mode='\\'.$mode}
2066: my $result.= &print_latex_header($mode);
2067: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
2068: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
2069: $currentURL=~s|^http://https://|https://|;
2070: my $title=&Apache::lonnet::gettitle($symb);
2071: $title = &Apache::lonxml::latex_special_symbols($title);
2072: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
2073: } else {
2074: $result.=$currentURL;
2075: }
2076: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2077: return $result;
2078: }
2079:
2080: #
2081: # Map from helper layout style to the book/album:
2082: #
2083: sub map_laystyle {
2084: my ($laystyle) = @_;
2085: if ($laystyle eq 'L') {
2086: $laystyle='album';
2087: } else {
2088: $laystyle='book';
2089: }
2090: return $laystyle;
2091: }
2092:
2093: sub print_page_in_course {
2094: my ($helper, $rparmhash, $currentURL, $resources) = @_;
2095:
2096: my %parmhash = %$rparmhash;
2097: my @page_resources = @$resources;
2098: my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
2099: my $symb = $helper->{'VARS'}->{'symb'};
2100:
2101:
2102: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2103:
2104:
2105: my @temporary_array=split /\|/,$format_from_helper;
2106: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2107: $laystyle = &map_laystyle($laystyle);
2108: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
2109: $numberofcolumns);
2110: my $LaTeXwidth=&recalcto_mm($textwidth);
2111:
2112:
2113: if ($mode ne '') {$mode='\\'.$mode}
2114: my $result = &print_latex_header($mode);
2115: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
2116: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
2117: my $title=&Apache::lonnet::gettitle($symb);
2118: $title = &Apache::lonxml::latex_special_symbols($title);
2119: } else {
2120: my $esc_currentURL= $currentURL;
2121: $esc_currentURL =~ s/_/\\_/g;
2122: $result.=$esc_currentURL;
2123: }
2124: $result .= '\\\\';
2125:
2126: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2127: &Apache::lonnet::appenv({'construct.style' =>
2128: $helper->{'VARS'}->{'style_file'}});
2129: } elsif ($env{'construct.style'}) {
2130: &Apache::lonnet::delenv('construct.style');
2131: }
2132:
2133: # First is the overall page description. This is then followed by the
2134: # components of the page. Each of which must be printed independently.
2135: my $the_page = shift(@page_resources);
2136:
2137:
2138: foreach my $resource (@page_resources) {
2139: my $resource_src = $resource->src(); # Essentially the URL of the resource.
2140: $result .= $resource->title() . '\\\\';
2141:
2142: # Recurse if a .page:
2143:
2144: if ($resource_src =~ /.page$/i) {
2145: my $navmap = Apache::lonnavmaps::navmap->new();
2146: my @page_resources = $navmap->retrieveResources($resource_src);
2147: $result .= &print_page_in_course($helper, $rparmhash,
2148: $resource_src, \@page_resources);
2149: } elsif ($resource->ext()) {
2150: $result .= &unsupported($currentURL,$mode,$symb);
2151: }
2152: # these resources go through the XML transformer:
2153:
2154: elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2155:
2156: my $urlp = &Apache::lonnet::clutter($resource_src);
2157:
2158: my %form;
2159: my %moreenv;
2160:
2161: &Apache::lonxml::remember_problem_counter();
2162: $moreenv{'request.filename'}=$urlp;
2163: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2164:
2165: $form{'grade_target'} = 'tex';
2166: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2167: $form{'pdfFormFields'} = 'no'; #
2168: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2169:
2170: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2171: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2172: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2173: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2174: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2175: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2176: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2177: $form{'problem_split'}='yes';
2178: }
2179: my $rndseed = time;
2180: if ($helper->{'VARS'}->{'curseed'}) {
2181: $rndseed=$helper->{'VARS'}->{'curseed'};
2182: }
2183: $form{'rndseed'}=$rndseed;
2184: &Apache::lonnet::appenv(\%moreenv);
2185:
2186: &Apache::lonxml::clear_problem_counter();
2187:
2188: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
2189:
2190:
2191: # current document with answers.. no need to encap in minipage
2192: # since there's only one answer.
2193:
2194: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2195: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2196: my %answerform = %form;
2197:
2198:
2199: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2200: $answerform{'grade_target'}='answer';
2201: $answerform{'answer_output_mode'}='tex';
2202: $answerform{'rndseed'}=$rndseed;
2203: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2204: $answerform{'problemtype'}='exam';
2205: }
2206: $resources_printed .= $urlp.':';
2207: my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
2208:
2209: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2210: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2211: } else {
2212: $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2213: if ($helper->{'VARS'}->{'construction'} ne '1') {
2214: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2215: $title = &Apache::lonxml::latex_special_symbols($title);
2216: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2217: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2218: } else {
2219: $texversion.='\vskip 0 mm \noindent\textbf{'.
2220: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
2221: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2222: }
2223: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2224: }
2225:
2226:
2227:
2228:
2229:
2230: }
2231: # Print annotations.
2232:
2233:
2234: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2235: my $annotation .= &annotate($currentURL);
2236: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
2237: }
2238:
2239: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2240: $texversion=&IndexCreation($texversion,$currentURL);
2241: }
2242: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2243: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2244:
2245: }
2246: $texversion = &latex_header_footer_remove($texversion);
2247:
2248: # the first remaining line is a comment from londefdef the second
2249: # line seems to be an extraneous \vskip 1mm \\\\ :
2250: # (imperfect removal from header_footer_remove?
2251:
2252: $texversion =~ s/\\vskip 1mm \\\\\\\\//;
2253:
2254: $result .= $texversion;
2255: if ($currentURL=~m/\.page\s*$/) {
2256: ($result,$numberofcolumns) = &page_cleanup($result);
2257: }
2258: }
2259: }
2260:
2261: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2262: return $result;
2263: }
2264:
2265:
2266: #
2267: # List of recently generated print files
2268: #
2269: sub recently_generated {
2270: my ($prtspool) = @_;
2271: my $output;
2272: my $zip_result;
2273: my $pdf_result;
2274: opendir(DIR,$prtspool);
2275:
2276: my @files =
2277: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
2278: closedir(DIR);
2279:
2280: @files = sort {
2281: my ($actime) = (stat($prtspool.'/'.$a))[10];
2282: my ($bctime) = (stat($prtspool.'/'.$b))[10];
2283: return $bctime <=> $actime;
2284: } (@files);
2285:
2286: foreach my $filename (@files) {
2287: my ($ext) = ($filename =~ m/(pdf|zip)$/);
2288: my ($cdev,$cino,$cmode,$cnlink,
2289: $cuid,$cgid,$crdev,$csize,
2290: $catime,$cmtime,$cctime,
2291: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
2292: my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
2293: my $result=&Apache::loncommon::start_data_table_row()
2294: .'<td>'
2295: .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
2296: .'</td>'
2297: .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
2298: .'<td align="right">'.$csize.'</td>'
2299: .&Apache::loncommon::end_data_table_row();
2300: if ($ext eq 'pdf') { $pdf_result .= $result; }
2301: if ($ext eq 'zip') { $zip_result .= $result; }
2302: }
2303: if ($zip_result || $pdf_result) {
2304: $output ='<hr />';
2305: }
2306: if ($zip_result) {
2307: $output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
2308: .&Apache::loncommon::start_data_table()
2309: .&Apache::loncommon::start_data_table_header_row()
2310: .'<th>'.&mt('Download').'</th>'
2311: .'<th>'.&mt('Creation Date').'</th>'
2312: .'<th>'.&mt('File Size (Bytes)').'</th>'
2313: .&Apache::loncommon::end_data_table_header_row()
2314: .$zip_result
2315: .&Apache::loncommon::end_data_table();
2316: }
2317: if ($pdf_result) {
2318: $output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
2319: .&Apache::loncommon::start_data_table()
2320: .&Apache::loncommon::start_data_table_header_row()
2321: .'<th>'.&mt('Download').'</th>'
2322: .'<th>'.&mt('Creation Date').'</th>'
2323: .'<th>'.&mt('File Size (Bytes)').'</th>'
2324: .&Apache::loncommon::end_data_table_header_row()
2325: .$pdf_result
2326: .&Apache::loncommon::end_data_table();
2327: }
2328: return $output;
2329: }
2330:
2331: #
2332: # Retrieve the hash of page breaks.
2333: #
2334: # Inputs:
2335: # helper - reference to helper object.
2336: # Outputs
2337: # A reference to a page break hash.
2338: #
2339: #
2340: # use Data::Dumper;
2341: # sub dump_helper_vars {
2342: # my ($helper) = @_;
2343: # my $helpervars = Dumper($helper->{'VARS'});
2344: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
2345: #}
2346:
2347: sub get_page_breaks {
2348: my ($helper) = @_;
2349: my %page_breaks;
2350:
2351: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
2352: $page_breaks{$break} = 1;
2353: }
2354: return %page_breaks;
2355: }
2356: #
2357: # Returns text to insert for any extra vskip prior to the resource.
2358: # Parameters:
2359: # helper - Reference to the helper object driving the printout.
2360: # resource - Identifies the resource about to be printed.
2361: #
2362: # This is done as follows:
2363: # POSSIBLE_RESOURCES has the list of possible resources.
2364: # EXTRASPACE has the list of extra space values.
2365: # EXTRASPACE_UNITS is the set of resources for which the units are
2366: # mm. All others are 'in'.
2367: #
2368: # The resource is found in the POSSIBLE_RESOURCES to get the index
2369: # of the EXTRASPACE value.
2370: #
2371: # In order to speed this up for lengthy printouts, the first time,
2372: # POSSIBLE_RESOURCES is turned into a look up hash and
2373: # EXTRASPACE is turned into an array.
2374: #
2375:
2376:
2377: my %possible_resources;
2378: my %extraspace_mm;
2379: my @extraspace;
2380: my $skips_loaded = 0;
2381:
2382: # Function to load the skips hash and array
2383:
2384: sub load_skips {
2385:
2386: my ($helper) = @_;
2387:
2388: # If this is the first time, unrap the resources and extra spaces:
2389:
2390: if (!$skips_loaded) {
2391: @extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
2392: my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
2393: my $i = 0;
2394: foreach my $resource (@resource_list) {
2395: $possible_resources{$resource} = $i;
2396: $i++;
2397: }
2398: foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
2399: $extraspace_mm{$mm_resource} = 1;
2400: }
2401: $skips_loaded = 1;
2402: }
2403: }
2404:
2405: sub get_extra_vspaces {
2406: my ($helper, $resource) = @_;
2407:
2408: &load_skips($helper);
2409:
2410: # Lookup the resource in the possible resources hash.. that is the index
2411: # into the extraspace array that gives us either an empty string or
2412: # the number of mm to skip:
2413:
2414: my $index = $possible_resources{$resource};
2415: my $skip = $extraspace[$index];
2416:
2417: my $result = '';
2418: if ($skip ne '') {
2419: my $units = 'in';
2420: if (defined($extraspace_mm{$resource})) {
2421: $units = 'mm';
2422: }
2423: $result = '\vskip '.$skip.' '.$units;
2424: }
2425:
2426:
2427: return $result;
2428:
2429:
2430: }
2431:
2432: #
2433: # The resource chooser part of the helper needs more than just
2434: # the value of the extraspaces var to recover the value into a text
2435: # field option. This sub produces the required format for the saved var:
2436: # specifically
2437: # ||| separated fields of the form resourcename=value
2438: #
2439: # Parameters:
2440: # $helper - Refers to the helper we are configuring
2441: # Implicit input:
2442: # $helper->{'VARS'}->{'EXTRASPACE'} - the spaces helper var has the text field
2443: # value.
2444: # $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
2445: # $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} - has the list of resources. |||
2446: # separated of course.
2447: # Implicit outputs:
2448: # $env{'form.extraspace'}
2449: # $env{'form.extraspace_units'}
2450: #
2451: sub set_form_extraspace {
2452: my ($helper) = @_;
2453:
2454: # the most convenient way to do this is to drive from the skips arrays/hash.
2455: # may not be the fastest, but this is once per print request so it's not so
2456: # speed critical:
2457:
2458: &load_skips($helper);
2459:
2460: my $result = '';
2461:
2462: foreach my $resource (keys(%possible_resources)) {
2463: my $vskip = $extraspace[$possible_resources{$resource}];
2464: $result .= $resource .'=' . $vskip . '|||';
2465: }
2466:
2467: $env{'form.extraspace'} = $result;
2468: $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
2469: return $result;
2470:
2471: }
2472:
2473: # Output a sequence (recursively if neeed)
2474: # from construction space.
2475: # Parameters:
2476: # url = URL of the sequence to print.
2477: # helper - Reference to the helper hash.
2478: # form - Copy of the format hash.
2479: # LaTeXWidth
2480: # Returns:
2481: # Text to add to the printout.
2482: # NOTE if the first element of the outermost sequence
2483: # is itself a sequence, the outermost caller may need to
2484: # prefix the latex with the page headers stuff.
2485: #
2486: sub print_construction_sequence {
2487: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
2488:
2489: my $result;
2490: my $rndseed=time;
2491: if ($helper->{'VARS'}->{'curseed'}) {
2492: $rndseed=$helper->{'VARS'}->{'curseed'};
2493: }
2494: my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL));
2495:
2496: #
2497: # These make this all support recursing for subsequences.
2498: #
2499: my @order = @LONCAPA::map::order;
2500: my @resources = @LONCAPA::map::resources;
2501:
2502: for (my $member=0;$member<=$#order;$member++) {
2503: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
2504: my $urlp=$2;
2505: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2506: my $texversion='';
2507: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2508: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2509: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2510: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2511: $form{'rndseed'}=$rndseed;
2512: $resources_printed .=$urlp.':';
2513: $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2514: }
2515: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2516: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
2517: ($urlp=~/$LONCAPA::assess_page_re/)) {
2518: # Don't permanently modify %$form...
2519: my %answerform = %form;
2520: $answerform{'grade_target'}='answer';
2521: $answerform{'answer_output_mode'}='tex';
2522: $answerform{'rndseed'}=$rndseed;
2523: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2524: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
2525: $resources_printed .= $urlp.':';
2526: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2527: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2528: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2529: } else {
2530: # If necessary, encapsulate answer in minipage:
2531:
2532: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2533: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2534: $title = &Apache::lonxml::latex_special_symbols($title);
2535: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2536: $body.=&path_to_problem($urlp,$LaTeXwidth);
2537: $body.='\vskip 1 mm '.$answer.'\end{document}';
2538: $body = &encapsulate_minipage($body);
2539: $texversion.=$body;
2540: }
2541: }
2542: $texversion = &latex_header_footer_remove($texversion);
2543:
2544: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2545: $texversion=&IndexCreation($texversion,$urlp);
2546: }
2547: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2548: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
2549: }
2550: $result.=$texversion;
2551:
2552: } elsif ($urlp=~/\.(sequence|page)$/) {
2553:
2554: # header:
2555:
2556: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
2557:
2558: # IF sequence, recurse:
2559:
2560: if ($urlp =~ /\.sequence$/) {
2561: $result .= &print_construction_sequence($urlp,
2562: $helper, %form,
2563: $LaTeXwidth);
2564: }
2565: }
2566: elsif ($urlp =~ /\.pdf$/i) {
2567: my $texversion;
2568: if ($member != 0) {
2569: $texversion .= '\cleardoublepage';
2570: }
2571:
2572: $texversion .= &include_pdf($urlp);
2573: $texversion = &latex_header_footer_remove($texversion);
2574: if ($member != $#order) {
2575: $texversion .= '\\ \cleardoublepage';
2576: }
2577:
2578: $result .= $texversion;
2579: }
2580: }
2581: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
2582: return $result;
2583: }
2584:
2585: #
2586: # Top level for generating print output.
2587: #
2588: # May call print_resources if multiple resources will be printed.
2589: #
2590: # The main driver is $selectionmade which reflects the type of print out
2591: # requested:
2592: # Value Print type:
2593: # 1 Print resource that's being looked at.
2594: # 2 Print problems in a map or in a page.
2595: # 3 Print pages in a map or resources in a page.
2596: # 4 Print all problems or all resources.
2597: # 5 Print problems for seleted students.
2598: # 6 Print selected problems from a folder.
2599: # 7 Print print selected resources from some scope.
2600: # 8 Print resources for selected students.
2601: #
2602: #BZ 5209
2603: # 2 map_incomplete_problems_seq Print incomplete problems from the current
2604: # folder in student context.
2605: # 5 map_incomplete_problems_people_seq Print incomplete problems from the
2606: # current folder in privileged context.
2607: # 5 incomplete_problems_selpeople_course Print incomplete problems for
2608: # selected people from the entire course.
2609: #
2610: # Item 101 has much the same processing as 8,
2611: #
2612: # Differences: Item 101, 102 require per-student filtering of the resource
2613: # set so that only the incomplete resources are printed.
2614: # For item 100, filtering was done at the helper level.
2615:
2616: sub output_data {
2617:
2618: my ($r,$helper,$rparmhash) = @_;
2619: my %parmhash = %$rparmhash;
2620: $ssi_error = 0; # This will be set nonzero by failing ssi's.
2621: $resources_printed = '';
2622: $font_size = $helper->{'VARS'}->{'fontsize'};
2623: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
2624: my $do_postprocessing = 1;
2625: my $js = <<ENDPART;
2626: <script type="text/javascript">
2627: var editbrowser;
2628: function openbrowser(formname,elementname,only,omit) {
2629: var url = '/res/?';
2630: if (editbrowser == null) {
2631: url += 'launch=1&';
2632: }
2633: url += 'catalogmode=interactive&';
2634: url += 'mode=parmset&';
2635: url += 'form=' + formname + '&';
2636: if (only != null) {
2637: url += 'only=' + only + '&';
2638: }
2639: if (omit != null) {
2640: url += 'omit=' + omit + '&';
2641: }
2642: url += 'element=' + elementname + '';
2643: var title = 'Browser';
2644: var options = 'scrollbars=1,resizable=1,menubar=0';
2645: options += ',width=700,height=600';
2646: editbrowser = open(url,title,options,'1');
2647: editbrowser.focus();
2648: }
2649: </script>
2650: ENDPART
2651:
2652:
2653: # Breadcrumbs
2654: #FIXME: Choose better/different breadcrumbs?!? Links?
2655: my $brcrum = [{'href' => '',
2656: 'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
2657: {'href' => '',
2658: 'text' => 'Preparing Printout'}];
2659:
2660: my $start_page = &Apache::loncommon::start_page('Preparing Printout',
2661: $js,
2662: {'bread_crumbs' => $brcrum,});
2663: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
2664:
2665: $r->print($start_page."\n<p>\n$msg\n</p>\n");
2666:
2667: # fetch the pagebreaks and store them in the course environment
2668: # The page breaks will be pulled into the hash %page_breaks which is
2669: # indexed by symb and contains 1's for each break.
2670:
2671: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
2672: &set_form_extraspace($helper);
2673: $env{'form.lastprinttype'} = $print_type;
2674: &Apache::loncommon::store_course_settings('print',
2675: {'pagebreaks' => 'scalar',
2676: 'extraspace' => 'scalar',
2677: 'extraspace_units' => 'scalar',
2678: 'lastprinttype' => 'scalar'});
2679: my %page_breaks = &get_page_breaks($helper);
2680:
2681: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2682: my ($result,$selectionmade) = ('','');
2683: my $number_of_columns = 1; #used only for pages to determine the width of the cell
2684: my @temporary_array=split /\|/,$format_from_helper;
2685: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2686:
2687: $laystyle = &map_laystyle($laystyle);
2688: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
2689: my $assignment = $env{'form.assignment'};
2690: my $LaTeXwidth=&recalcto_mm($textwidth);
2691: my @print_array=();
2692: my @student_names=();
2693:
2694:
2695: # Common settings for the %form has:
2696: # In some cases these settings get overriddent by specific cases, but the
2697: # settings are common enough to make it worthwhile factoring them out
2698: # here.
2699: #
2700: my %form;
2701: $form{'grade_target'} = 'tex';
2702: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2703: $form{'pdfFormFields'} = 'no';
2704:
2705: # If form.showallfoils is set, then request all foils be shown:
2706: # privilege will be enforced both by not allowing the
2707: # check box selecting this option to be presnt unless it's ok,
2708: # and by lonresponse's priv. check.
2709: # The if is here because lonresponse.pm only cares that
2710: # showallfoils is defined, not what the value is.
2711:
2712: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
2713: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2714: }
2715:
2716: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2717: &Apache::lonnet::appenv({'construct.style' =>
2718: $helper->{'VARS'}->{'style_file'}});
2719: } elsif ($env{'construct.style'}) {
2720: &Apache::lonnet::delenv('construct.style');
2721: }
2722:
2723: if ($print_type eq 'current_document') {
2724: #-- single document - problem, page, html, xml, ...
2725: my ($currentURL,$cleanURL);
2726:
2727: if ($helper->{'VARS'}->{'construction'} ne '1') {
2728: #prints published resource
2729: $currentURL=$helper->{'VARS'}->{'postdata'};
2730: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
2731: } else {
2732:
2733: #prints resource from the construction space
2734: $currentURL=$helper->{'VARS'}->{'filename'};
2735: $cleanURL=$currentURL;
2736: }
2737: $selectionmade = 1;
2738:
2739: if ($cleanURL!~m|^/adm/|
2740: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2741: my $rndseed=time;
2742: my $texversion='';
2743: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2744: my %moreenv;
2745: $moreenv{'request.filename'}=$cleanURL;
2746: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2747: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2748: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2749: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2750: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2751: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2752: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2753: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2754: $form{'problem_split'}='yes';
2755: }
2756: if ($helper->{'VARS'}->{'curseed'}) {
2757: $rndseed=$helper->{'VARS'}->{'curseed'};
2758: }
2759: $form{'rndseed'}=$rndseed;
2760: &Apache::lonnet::appenv(\%moreenv);
2761:
2762: &Apache::lonxml::clear_problem_counter();
2763:
2764: $resources_printed .= $currentURL.':';
2765: $texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2766:
2767: # Add annotations if required:
2768:
2769: &Apache::lonxml::clear_problem_counter();
2770:
2771: &Apache::lonnet::delenv('request.filename');
2772: }
2773: # current document with answers.. no need to encap in minipage
2774: # since there's only one answer.
2775:
2776: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2777: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2778:
2779: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2780: $form{'grade_target'}='answer';
2781: $form{'answer_output_mode'}='tex';
2782: $form{'rndseed'}=$rndseed;
2783: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2784: $form{'problemtype'}='exam';
2785: }
2786: $resources_printed .= $currentURL.':';
2787: my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2788:
2789:
2790: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2791: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2792: } else {
2793: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2794: if ($helper->{'VARS'}->{'construction'} ne '1') {
2795: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2796: $title = &Apache::lonxml::latex_special_symbols($title);
2797: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2798: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2799: } else {
2800: $texversion.='\vskip 0 mm \noindent\textbf{'.
2801: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
2802:
2803: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2804: }
2805: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2806: }
2807:
2808:
2809:
2810:
2811:
2812: }
2813: # Print annotations.
2814:
2815:
2816: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2817: my $annotation .= &annotate($currentURL);
2818: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
2819: }
2820:
2821:
2822: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2823: $texversion=&IndexCreation($texversion,$currentURL);
2824: }
2825: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2826: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2827:
2828: }
2829: $result .= $texversion;
2830: if ($currentURL=~m/\.page\s*$/) {
2831: ($result,$number_of_columns) = &page_cleanup($result);
2832: }
2833: } elsif ($cleanURL!~m|^/adm/|
2834: && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
2835: $result .= &print_construction_sequence($currentURL, $helper, %form,
2836: $LaTeXwidth);
2837: $result .= '\end{document}';
2838: if (!($result =~ /\\begin\{document\}/)) {
2839: $result = &print_latex_header() . $result;
2840: }
2841: # End construction space sequence.
2842: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
2843: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2844: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
2845: $resources_printed .= $currentURL.':';
2846: my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
2847: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2848: my $annotation = &annotate($currentURL);
2849: $texversion =~ s/(\\end{document})/$annotation$1/;
2850: }
2851: $result .= $texversion;
2852: } elsif ($cleanURL =~/\.tex$/) {
2853: # For this sort of print of a single LaTeX file,
2854: # We can just print the LaTeX file as it is uninterpreted in any way:
2855: #
2856:
2857: $result = &fetch_raw_resource($currentURL);
2858: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2859: my $annotation = &annotate($currentURL);
2860: $result =~ s/(\\end{document})/$annotation$1/;
2861: }
2862:
2863: $do_postprocessing = 0; # Don't massage the result.
2864:
2865: } elsif ($cleanURL =~ /\.pdf$/i) {
2866: $result .= &include_pdf($cleanURL);
2867: $result .= '\end{document}';
2868: } elsif ($cleanURL =~ /\.page$/i) { # Print page in non construction space contexts.
2869:
2870: # Determine the set of resources in the map of the page:
2871:
2872: my $navmap = Apache::lonnavmaps::navmap->new();
2873: my @page_resources = $navmap->retrieveResources($cleanURL);
2874: $result .= &print_page_in_course($helper, $rparmhash,
2875: $cleanURL, \@page_resources);
2876:
2877:
2878: } else {
2879: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
2880: $helper->{'VARS'}->{'symb'});
2881: }
2882: } elsif (($print_type eq 'map_problems') or
2883: ($print_type eq 'map_problems_in_page') or
2884: ($print_type eq 'map_resources_in_page') or
2885: ($print_type eq 'map_problems_pages') or
2886: ($print_type eq 'all_problems') or
2887: ($print_type eq 'all_resources') or # BUGBUG
2888: ($print_type eq 'select_sequences') or
2889: ($print_type eq 'map_incomplete_problems_seq')
2890: ) {
2891:
2892: #-- produce an output string
2893: if (($print_type eq 'map_problems') or
2894: ($print_type eq 'map_incomplete_problems_seq') or
2895: ($print_type eq 'map_problems_in_page') ) {
2896: $selectionmade = 2;
2897: } elsif (($print_type eq 'map_problems_pages') or
2898: ($print_type eq 'map_resources_in_page'))
2899: {
2900: $selectionmade = 3;
2901: } elsif (($print_type eq 'all_problems')
2902: ) {
2903: $selectionmade = 4;
2904: } elsif ($print_type eq 'all_resources') { #BUGBUG
2905: $selectionmade = 4;
2906: } elsif ($print_type eq 'select_sequences') {
2907: $selectionmade = 7;
2908: }
2909:
2910: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2911: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2912: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2913: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2914: $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2915: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2916: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
2917: $form{'problem_split'}='yes';
2918: }
2919: my $flag_latex_header_remove = 'NO';
2920: my $flag_page_in_sequence = 'NO';
2921: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
2922: my $prevassignment='';
2923:
2924: &Apache::lonxml::clear_problem_counter();
2925:
2926: my $pbreakresources = keys %page_breaks;
2927: for (my $i=0;$i<=$#master_seq;$i++) {
2928:
2929: &Apache::lonenc::reset_enc();
2930:
2931:
2932: # Note due to document structure, not allowed to put \newpage
2933: # prior to the first resource
2934:
2935: if (defined $page_breaks{$master_seq[$i]}) {
2936: if($i != 0) {
2937: $result.="\\newpage\n";
2938: }
2939: }
2940: $result .= &get_extra_vspaces($helper, $master_seq[$i]);
2941: my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
2942: $urlp=&Apache::lonnet::clutter($urlp);
2943: $form{'symb'}=$master_seq[$i];
2944:
2945: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
2946:
2947: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
2948: if ($i==0) {$prevassignment=$assignment;}
2949: my $texversion='';
2950: if ($urlp!~m|^/adm/|
2951: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
2952: $resources_printed .= $urlp.':';
2953: &Apache::lonxml::remember_problem_counter();
2954: if ($flag_latex_header_remove eq 'NO') {
2955: $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); # RF
2956: unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
2957: (($i==0) &&
2958: (($urlp=~/\.page$/) ||
2959: ($print_type eq 'map_problems_in_page') ||
2960: ($print_type eq 'map_resources_in_page')))) {
2961: $flag_latex_header_remove = 'YES';
2962: }
2963: }
2964: $texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2965: if ($urlp=~/\.page$/) {
2966: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
2967: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
2968: $texversion =~ s/\\end{document}\d*/\\end{document}/;
2969: $flag_page_in_sequence = 'YES';
2970: }
2971:
2972: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2973: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2974: # Don't permanently pervert the %form hash
2975: my %answerform = %form;
2976: $answerform{'grade_target'}='answer';
2977: $answerform{'answer_output_mode'}='tex';
2978: $resources_printed .= $urlp.':';
2979:
2980: &Apache::lonxml::restore_problem_counter();
2981: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2982: if ($urlp =~ /\.page$/) {
2983: $answer =~ s/\\end{document}(\d*)$//;
2984: }
2985: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2986: if ($urlp =~ /\.page$/) {
2987: my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
2988: my $lastprob = pop(@probs);
2989: $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
2990: $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
2991: } else {
2992: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2993: }
2994: } else {
2995: if ($urlp=~/$LONCAPA::assess_page_re/) {
2996: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2997: # $texversion =~ s/\\begin{document}//; # FIXME
2998: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
2999: $title = &Apache::lonxml::latex_special_symbols($title);
3000: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
3001: $body .= &path_to_problem ($urlp,$LaTeXwidth);
3002: $body .='\vskip 1 mm '.$answer;
3003: $body = &encapsulate_minipage($body);
3004: $texversion .= $body;
3005: } else {
3006: $texversion='';
3007: }
3008: }
3009:
3010: }
3011: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3012: my $annotation .= &annotate($urlp);
3013: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
3014: }
3015:
3016: if ($flag_latex_header_remove ne 'NO') {
3017: $texversion = &latex_header_footer_remove($texversion);
3018: } else {
3019: $texversion =~ s/\\end{document}//;
3020: }
3021: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3022: $texversion=&IndexCreation($texversion,$urlp);
3023: }
3024: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
3025: my $name = &get_name();
3026: my $courseidinfo = &get_course();
3027: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
3028: $prevassignment=$assignment;
3029: my $header_text = $parmhash{'print_header_format'};
3030: $header_text = &format_page_header($textwidth, $header_text,
3031: $assignment,
3032: $courseidinfo,
3033: $name);
3034: if ($numberofcolumns eq '1') {
3035: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
3036: } else {
3037: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
3038: }
3039: }
3040: $result .= $texversion;
3041: $flag_latex_header_remove = 'YES';
3042: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
3043: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3044: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
3045: $resources_printed .= $urlp.':';
3046: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
3047: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3048: my $annotation = &annotate($urlp);
3049: $texversion =~ s/(\\end{document)/$annotation$1/;
3050: }
3051:
3052: if ($flag_latex_header_remove ne 'NO') {
3053: $texversion = &latex_header_footer_remove($texversion);
3054: } else {
3055: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
3056: }
3057: $result .= $texversion;
3058: $flag_latex_header_remove = 'YES';
3059: } elsif ($urlp=~ /\.pdf$/i) {
3060: if ($i > 0) {
3061: $result .= '\cleardoublepage';
3062: }
3063: my $texfrompdf = &include_pdf($urlp);
3064: if ($flag_latex_header_remove ne 'NO') {
3065: $texfrompdf = &latex_header_footer_remove($texfrompdf);
3066: }
3067: $result .= $texfrompdf;
3068: if ($i != $#master_seq) {
3069: if ($numberofcolumns eq '1') {
3070: $result .= '\newpage';
3071: } else {
3072: # the \\'s seem to be needed to let LaTeX know there's something
3073: # on the page since LaTeX seems to not like to clear an empty page.
3074: #
3075: $result .= '\\ \cleardoublepage';
3076: }
3077: }
3078: $flag_latex_header_remove = 'YES';
3079:
3080: } else {
3081: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
3082: $master_seq[$i]);
3083: if ($flag_latex_header_remove ne 'NO') {
3084: $texversion = &latex_header_footer_remove($texversion);
3085: } else {
3086: $texversion =~ s/\\end{document}//;
3087: }
3088: $result .= $texversion;
3089: $flag_latex_header_remove = 'YES';
3090: }
3091: if (&Apache::loncommon::connection_aborted($r)) {
3092: last;
3093: }
3094: }
3095: &Apache::lonxml::clear_problem_counter();
3096: if ($flag_page_in_sequence eq 'YES') {
3097: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
3098: }
3099: $result .= '\end{document}';
3100: } elsif (($print_type eq 'problems_for_students') ||
3101: ($print_type eq 'problems_for_students_from_page') ||
3102: ($print_type eq 'all_problems_students') ||
3103: ($print_type eq 'resources_for_students') ||
3104: ($print_type eq 'incomplete_problems_selpeople_course') ||
3105: ($print_type eq 'map_incomplete_problems_people_seq')){
3106:
3107:
3108: #-- prints assignments for whole class or for selected students
3109: my $type;
3110: if (($print_type eq 'problems_for_students') ||
3111: ($print_type eq 'problems_for_students_from_page') ||
3112: ($print_type eq 'all_problems_students') ||
3113: ($print_type eq 'incomplete_problems_selpeople_course') ||
3114: ($print_type eq 'map_incomplete_problems_people_seq')) {
3115: $selectionmade=5;
3116: $type='problems';
3117: } elsif ($print_type eq 'resources_for_students') {
3118: $selectionmade=8;
3119: $type='resources';
3120: }
3121: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
3122: # The normal sort order is by section then by students within the
3123: # section. If the helper var student_sort is 1, then the user has elected
3124: # to override this and output the students by name.
3125: # Each element of the students array is of the form:
3126: # username:domain:section:last, first:status
3127: #
3128: # Note that student sort is not compatible with printing
3129: # 1 section per pdf...so that setting overrides.
3130: #
3131: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
3132: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
3133: @students = sort compare_names @students;
3134: } else {
3135: @students = sort compare_sections @students;
3136: }
3137: &adjust_number_to_print($helper);
3138:
3139: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
3140: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
3141: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
3142: }
3143: # If we are splitting on section boundaries, we need
3144: # to remember that in split_on_sections and
3145: # print all of the students in the list.
3146: #
3147: my $split_on_sections = 0;
3148: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
3149: $split_on_sections = 1;
3150: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
3151: }
3152: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3153:
3154: my $map;
3155: if ($helper->{VARS}->{'symb'}) {
3156: ($map, my $id, my $resource) =
3157: &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
3158: }
3159:
3160: #loop over students
3161:
3162: my $flag_latex_header_remove = 'NO';
3163: my %moreenv;
3164: $moreenv{'instructor_comments'}='hide';
3165: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
3166: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
3167: $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
3168: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3169: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
3170: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
3171: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
3172: $moreenv{'problem_split'}='yes';
3173: }
3174: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1);
3175: my $student_counter=-1;
3176: my $i = 0;
3177: my $last_section = (split(/:/,$students[0]))[2];
3178: foreach my $person (@students) {
3179: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
3180: if (-e $duefile) {
3181: my $temp_file = Apache::File->new('>>'.$duefile);
3182: print $temp_file "1969\n";
3183: }
3184: $student_counter++;
3185: if ($split_on_sections) {
3186: my $this_section = (split(/:/,$person))[2];
3187: if ($this_section ne $last_section) {
3188: $i++;
3189: $last_section = $this_section;
3190: }
3191: } else {
3192: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
3193: }
3194: my $actual_seq = master_seq_to_person_seq($map, \@master_seq,
3195: $person);
3196: my ($output,$fullname, $printed)=&print_resources($r,$helper,
3197: $person,$type,
3198: \%moreenv, $actual_seq,
3199: $flag_latex_header_remove,
3200: $LaTeXwidth);
3201: $resources_printed .= ":";
3202: $print_array[$i].=$output;
3203: $student_names[$i].=$person.':'.$fullname.'_END_';
3204: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
3205: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
3206: $flag_latex_header_remove = 'YES';
3207: if (&Apache::loncommon::connection_aborted($r)) { last; }
3208: }
3209: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3210: $result .= $print_array[0].' \end{document}';
3211: } elsif (($print_type eq 'problems_for_anon') ||
3212: ($print_type eq 'problems_for_anon_page') ||
3213: ($print_type eq 'resources_for_anon') ) {
3214: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
3215: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
3216: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
3217: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
3218: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
3219: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
3220: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
3221: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
3222: my @lines = &Apache::grades::get_scantronformat_file();
3223: my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
3224: foreach my $line (@lines) {
3225: chomp($line);
3226: my ($name,$type,$length,$bubbles_per_item) =
3227: (split(/:/,$line))[0,2,4,17];
3228: if ($name eq $code_option) {
3229: $code_length=$length;
3230: if ($type eq 'number') { $code_type = 'number'; }
3231: chomp($bubbles_per_item);
3232: if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
3233: $bubbles_per_row = $bubbles_per_item;
3234: }
3235: }
3236: }
3237: my ($randomorder,$randompick,$map);
3238: if ($helper->{VARS}{'symb'}) {
3239: ($map, my $id, my $resource) =
3240: &Apache::lonnet::decode_symb($helper->{VARS}{'symb'});
3241: my $navmap = Apache::lonnavmaps::navmap->new();
3242: if (defined($navmap)) {
3243: if ($map) {
3244: my $mapres = $navmap->getResourceByUrl($map);
3245: $randomorder = $mapres->randomorder();
3246: $randompick = $mapres->randompick();
3247: }
3248: }
3249: }
3250: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
3251: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3252: $moreenv{'instructor_comments'}='hide';
3253: $moreenv{'bubbles_per_row'} = $bubbles_per_row;
3254: my $seed=time+($$<<16)+($$);
3255: my @allcodes;
3256: if ($old_name) {
3257: my %result=&Apache::lonnet::get('CODEs',
3258: [$old_name,"type\0$old_name"],
3259: $cdom,$cnum);
3260: $code_type=$result{"type\0$old_name"};
3261: @allcodes=split(',',$result{$old_name});
3262: $num_todo=scalar(@allcodes);
3263: } elsif ($selected_code) { # Selection value is always numeric.
3264: $num_todo = 1;
3265: @allcodes = ($selected_code);
3266: } elsif ($single_code) {
3267:
3268: $num_todo = 1; # Unconditionally one code to do.
3269: # If an alpha code have to convert to numbers so it can be
3270: # converted back to letters again :-)
3271: #
3272: if ($code_type ne 'number') {
3273: $single_code = &letters_to_num($single_code);
3274: }
3275: @allcodes = ($single_code);
3276: } else {
3277: my %allcodes;
3278: srand($seed);
3279: for (my $i=0;$i<$num_todo;$i++) {
3280: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
3281: $code_type);
3282: }
3283: if ($code_name) {
3284: &Apache::lonnet::put('CODEs',
3285: {
3286: $code_name =>join(',',keys(%allcodes)),
3287: "type\0$code_name" => $code_type
3288: },
3289: $cdom,$cnum);
3290: }
3291: @allcodes=keys(%allcodes);
3292: }
3293: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3294: my ($type) = split(/_/,$print_type);
3295: &adjust_number_to_print($helper);
3296: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
3297: if ($number_per_page eq '0' || $number_per_page eq 'all'
3298: || $number_per_page eq 'section') {
3299: $number_per_page=$num_todo > 0 ? $num_todo : 1;
3300: }
3301: my $flag_latex_header_remove = 'NO';
3302: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo);
3303: my $count=0;
3304: foreach my $code (sort(@allcodes)) {
3305: my $file_num=int($count/$number_per_page);
3306: if ($code_type eq 'number') {
3307: $moreenv{'CODE'}=$code;
3308: } else {
3309: $moreenv{'CODE'}=&num_to_letters($code);
3310: }
3311: my $actual_seq = \@master_seq;
3312: if ($randomorder) {
3313: $env{'form.CODE'} = $moreenv{'CODE'};
3314: $actual_seq = master_seq_to_person_seq($map, \@master_seq,
3315: undef,
3316: $moreenv{'CODE'});
3317: delete($env{'form.CODE'});
3318: }
3319: my ($output,$fullname, $printed)=
3320: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
3321: $actual_seq,$flag_latex_header_remove,
3322: $LaTeXwidth);
3323: $resources_printed .= ":";
3324: $print_array[$file_num].=$output;
3325: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
3326: &mt('last assignment').' '.$fullname);
3327: $flag_latex_header_remove = 'YES';
3328: $count++;
3329: if (&Apache::loncommon::connection_aborted($r)) { last; }
3330: }
3331: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3332: $result .= $print_array[0].' \end{document}';
3333: } elsif ($print_type eq 'problems_from_directory') {
3334: #prints selected problems from the subdirectory
3335: $selectionmade = 6;
3336: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
3337: @list_of_files=sort @list_of_files;
3338: my $flag_latex_header_remove = 'NO';
3339: my $rndseed=time;
3340: if ($helper->{'VARS'}->{'curseed'}) {
3341: $rndseed=$helper->{'VARS'}->{'curseed'};
3342: }
3343: for (my $i=0;$i<=$#list_of_files;$i++) {
3344:
3345: &Apache::lonenc::reset_enc();
3346:
3347: my $urlp = $list_of_files[$i];
3348: $urlp=~s|//|/|;
3349: if ($urlp=~/\//) {
3350: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
3351: $form{'rndseed'}=$rndseed;
3352: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
3353: $resources_printed .= $urlp.':';
3354: my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
3355: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3356: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3357: # Don't permanently pervert %form:
3358: my %answerform = %form;
3359: $answerform{'grade_target'}='answer';
3360: $answerform{'answer_output_mode'}='tex';
3361: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3362: $answerform{'rndseed'}=$rndseed;
3363: $resources_printed .= $urlp.':';
3364: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
3365: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3366: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
3367: } else {
3368: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3369: if ($helper->{'VARS'}->{'construction'} ne '1') {
3370: $texversion.='\vskip 0 mm \noindent ';
3371: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3372: } else {
3373: $texversion.='\vskip 0 mm \noindent\textbf{'.
3374: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
3375: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3376: }
3377: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
3378: }
3379: }
3380: #this chunk is responsible for printing the path to problem
3381:
3382: my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
3383: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
3384: if ($flag_latex_header_remove ne 'NO') {
3385: $texversion = &latex_header_footer_remove($texversion);
3386: } else {
3387: $texversion =~ s/\\end{document}//;
3388: }
3389: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3390: $texversion=&IndexCreation($texversion,$urlp);
3391: }
3392: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
3393: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
3394:
3395: }
3396: $result .= $texversion;
3397: }
3398: $flag_latex_header_remove = 'YES';
3399: }
3400: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
3401: $result .= '\end{document}';
3402: }
3403: #-------------------------------------------------------- corrections for the different page formats
3404:
3405: # Only post process if that has not been turned off e.g. by a raw latex resource.
3406:
3407: if ($do_postprocessing) {
3408: $result = &page_format_transformation($papersize,
3409: $laystyle,$numberofcolumns,
3410: $print_type,$result,
3411: $helper->{VARS}->{'assignment'},
3412: $helper->{'VARS'}->{'TABLE_CONTENTS'},
3413: $helper->{'VARS'}->{'TABLE_INDEX'},
3414: $selectionmade);
3415: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
3416: $helper->{'VARS'}->{'ANSWER_TYPE'});
3417: #if ($numberofcolumns == 1) {
3418: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
3419: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
3420: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3421: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3422: #}
3423: }
3424:
3425: # Set URLback if this is a construction space print so we can provide
3426: # a link to the resource being edited.
3427: #
3428:
3429: my $URLback=''; #link to original document
3430: if ($helper->{'VARS'}->{'construction'} eq '1') {
3431: $URLback=$helper->{'VARS'}->{'filename'};
3432: }
3433: #
3434: # Final adjustment of the font size:
3435: #
3436:
3437: $result = set_font_size($result);
3438:
3439: # Insert any babel headers required.
3440:
3441: $result = &collect_languages($result);
3442:
3443:
3444: #-- writing .tex file in prtspool
3445: my $temp_file;
3446: my $identifier = &Apache::loncommon::get_cgi_id();
3447: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
3448: if (!($#print_array>0)) {
3449: unless ($temp_file = Apache::File->new('>'.$filename)) {
3450: $r->log_error("Couldn't open $filename for output $!");
3451: return SERVER_ERROR;
3452: }
3453: print $temp_file $result;
3454: my $begin=index($result,'\begin{document}',0);
3455: my $inc=substr($result,0,$begin+16);
3456: } else {
3457: my $begin=index($result,'\begin{document}',0);
3458: my $inc=substr($result,0,$begin+16);
3459: for (my $i=0;$i<=$#print_array;$i++) {
3460: if ($i==0) {
3461: $print_array[$i]=$result;
3462: } else {
3463: $print_array[$i].='\end{document}';
3464: $print_array[$i] =
3465: &latex_corrections($number_of_columns,$print_array[$i],
3466: $selectionmade,
3467: $helper->{'VARS'}->{'ANSWER_TYPE'});
3468:
3469: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
3470: substr($print_array[$i],0,$anobegin)='';
3471: $print_array[$i]=$inc.$print_array[$i];
3472: }
3473: my $temp_file;
3474: my $newfilename=$filename;
3475: my $num=$i+1;
3476: $newfilename =~s/\.tex$//;
3477: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
3478: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
3479: $r->log_error("Couldn't open $newfilename for output $!");
3480: return SERVER_ERROR;
3481: }
3482: print $temp_file $print_array[$i];
3483: }
3484: }
3485: my $student_names='';
3486: if ($#print_array>0) {
3487: for (my $i=0;$i<=$#print_array;$i++) {
3488: $student_names.=$student_names[$i].'_ENDPERSON_';
3489: }
3490: } else {
3491: if ($#student_names>-1) {
3492: $student_names=$student_names[0].'_ENDPERSON_';
3493: } else {
3494: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
3495: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
3496: $env{'request.course.sec'},$fullname).
3497: '_ENDPERSON_'.'_END_';
3498: }
3499: }
3500:
3501: # logic for now is too complex to trace if this has been defined
3502: # yet.
3503: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3504: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3505: &Apache::lonnet::appenv({'cgi.'.$identifier.'.file' => $filename,
3506: 'cgi.'.$identifier.'.layout' => $laystyle,
3507: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
3508: 'cgi.'.$identifier.'.paper' => $papersize,
3509: 'cgi.'.$identifier.'.selection' => $selectionmade,
3510: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
3511: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
3512: 'cgi.'.$identifier.'.role' => $perm{'pav'},
3513: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
3514: 'cgi.'.$identifier.'.studentnames' => $student_names,
3515: 'cgi.'.$identifier.'.backref' => $URLback,});
3516: &Apache::lonnet::appenv({"cgi.$identifier.user" => $env{'user.name'},
3517: "cgi.$identifier.domain" => $env{'user.domain'},
3518: "cgi.$identifier.courseid" => $cnum,
3519: "cgi.$identifier.coursedom" => $cdom,
3520: "cgi.$identifier.resources" => $resources_printed});
3521:
3522: my $end_page = &Apache::loncommon::end_page();
3523: my $continue_text = &mt('Continue');
3524: # If there's been an unrecoverable SSI error, report it to the user
3525: if ($ssi_error) {
3526: my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
3527: $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
3528: &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
3529: '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
3530: '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
3531: &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
3532: '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
3533: &mt('We apologize for the inconvenience.').'</p>'.
3534: '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
3535: } else {
3536: $r->print(<<FINALEND);
3537: <br />
3538: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
3539: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
3540: $end_page
3541: FINALEND
3542: } # endif ssi errors.
3543: }
3544:
3545:
3546: sub get_CODE {
3547: my ($all_codes,$num,$seed,$size,$type)=@_;
3548: my $max='1'.'0'x$size;
3549: my $newcode;
3550: while(1) {
3551: $newcode=sprintf("%0".$size."d",int(rand($max)));
3552: if (!exists($$all_codes{$newcode})) {
3553: $$all_codes{$newcode}=1;
3554: if ($type eq 'number' ) {
3555: return $newcode;
3556: } else {
3557: return &num_to_letters($newcode);
3558: }
3559: }
3560: }
3561: }
3562:
3563: sub print_resources {
3564: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
3565: $LaTeXwidth)=@_;
3566: my $current_output = '';
3567: my $printed = '';
3568: my ($username,$userdomain,$usersection) = split /:/,$person;
3569: my $fullname = &get_name($username,$userdomain);
3570: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
3571:
3572:
3573: #
3574: # Figure out if we need to filter the output by
3575: # the incomplete problems for that person
3576: #
3577: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
3578: my $print_incomplete = 0;
3579: if (($print_type eq 'map_incomplete_problems_people_seq') ||
3580: ($print_type eq 'incomplete_problems_selpeople_course')) {
3581: $print_incomplete = 1;
3582: }
3583: if ($person eq 'anonymous') {
3584: $namepostfix .=&mt('Name:')." ";
3585: $fullname = "CODE - ".$moreenv->{'CODE'};
3586: }
3587:
3588: # Fullname may have special latex characters that need \ prefixing:
3589: #
3590:
3591: my $i = 0;
3592: my $actually_printed = 0; # Count of resources printed.
3593: #goes through all resources, checks if they are available for
3594: #current student, and produces output
3595:
3596: &Apache::lonxml::clear_problem_counter();
3597: my %page_breaks = &get_page_breaks($helper);
3598: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
3599: #
3600: # end each student with a
3601: # Special that allows the post processor to even out the page
3602: # counts later. Nasty problem this... it would be really
3603: # nice to put the special in as a postscript comment
3604: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
3605: # The special gets passed the \ and dvips puts it in the output file
3606: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
3607: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
3608: #
3609:
3610: my $syllabus_first = 0;
3611: my $current_assignment = "";
3612: my $assignment;
3613: my $courseidinfo = &get_course();
3614: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
3615: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
3616:
3617: foreach my $curresline (@{$master_seq}) {
3618: if (defined $page_breaks{$curresline}) {
3619: if($i != 0) {
3620: $current_output.= "\\newpage\n";
3621: }
3622: }
3623: $current_output .= &get_extra_vspaces($helper, $curresline);
3624: $i++;
3625: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
3626:
3627: # See if we need to emit a new header:
3628:
3629: if ( !($type eq 'problems' &&
3630: ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
3631: if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
3632: next;
3633: }
3634: $actually_printed++; # we're going to print one.
3635: if (&Apache::lonnet::allowed('bre',$res_url)) {
3636: if ($res_url!~m|^ext/|
3637: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
3638: $printed .= $curresline.':';
3639: &Apache::lonxml::remember_problem_counter();
3640:
3641: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3642: if ($res_url =~ /\.page$/) {
3643: if ($remove_latex_header eq 'NO') {
3644: if (!($rendered =~ /\\begin\{document\}/)) {
3645: $rendered = &print_latex_header().$rendered;
3646: }
3647: }
3648: ;
3649: if ($remove_latex_header eq 'YES') {
3650: $rendered = &latex_header_footer_remove($rendered);
3651: } else {
3652: $rendered =~ s/\\end{document}\d*//;
3653: }
3654: }
3655: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3656: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3657: # Use a copy of the hash so we don't pervert it on future loop passes.
3658: my %answerenv = %{$moreenv};
3659: $answerenv{'answer_output_mode'}='tex';
3660:
3661:
3662: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3663:
3664: &Apache::lonxml::restore_problem_counter();
3665:
3666: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
3667:
3668: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3669: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
3670: } else {
3671:
3672:
3673: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3674: unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
3675: $header =~ s/\\begin{document}//; #<<<<<
3676: }
3677: my $title = &Apache::lonnet::gettitle($curresline);
3678: $title = &Apache::lonxml::latex_special_symbols($title);
3679: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
3680: $body .=&path_to_problem($res_url,$LaTeXwidth);
3681: $body .='\vskip 1 mm '.$ansrendered;
3682: $body = &encapsulate_minipage($body);
3683: $rendered = $header.$body;
3684: }
3685: }
3686: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3687: my $url = &Apache::lonnet::clutter($res_url);
3688: my $annotation = &annotate($url);
3689: $rendered =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
3690: }
3691: my $junk;
3692: if ($remove_latex_header eq 'YES') {
3693: $rendered = &latex_header_footer_remove($rendered);
3694: } else {
3695: $rendered =~ s/\\end{document}//;
3696: }
3697: $current_output .= $rendered;
3698: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
3699: if ($i == 1) {
3700: $syllabus_first = 1;
3701: }
3702: $printed .= $curresline.':';
3703: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3704: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3705: my $url = &Apache::lonnet::clutter($res_url);
3706: my $annotation = &annotate($url);
3707: $annotation =~ s/(\\end{document})/$annotation$1/;
3708: }
3709: if ($remove_latex_header eq 'YES') {
3710: $rendered = &latex_header_footer_remove($rendered);
3711: } else {
3712: $rendered =~ s/\\end{document}//;
3713: }
3714: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
3715: } elsif($res_url = ~/\.pdf$/) {
3716: my $url = &Apache::lonnet::clutter($res_url);
3717: my $rendered = &include_pdf($url);
3718: if ($remove_latex_header ne 'NO') {
3719: $rendered = &latex_header_footer_remove($rendered);
3720: }
3721: $current_output .= $rendered;
3722: } else {
3723: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
3724: if ($remove_latex_header ne 'NO') {
3725: $rendered = &latex_header_footer_remove($rendered);
3726: } else {
3727: $rendered =~ s/\\end{document}//;
3728: }
3729: $current_output .= $rendered;
3730: }
3731: }
3732: $remove_latex_header = 'YES';
3733: }
3734: $assignment = &Apache::lonxml::latex_special_symbols(
3735: &Apache::lonnet::gettitle($map), 'header');
3736: if (($assignment ne $current_assignment) && ($assignment ne "")) {
3737: my $header_line = &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3738: $assignment, $courseidinfo,
3739: $fullname);
3740: my $header_start = ($columns_in_format == 1) ? '\lhead'
3741: : '\fancyhead[LO]';
3742: $header_line = $header_start.'{'.$header_line.'}';
3743: $current_output = $current_output . $header_line;
3744: $current_assignment = $assignment;
3745: }
3746:
3747: if (&Apache::loncommon::connection_aborted($r)) { last; }
3748: }
3749: # If we are printing incomplete it's possible we don't have
3750: # anything to print. The print subsystem is not so good at handling
3751: # that so we're going to generate a stub that says there are no
3752: # incomplete resources for the person.
3753: #
3754:
3755: if ($actually_printed == 0) {
3756: $current_output = &encapsulate_minipage("\\vskip -10mm \nNo incomplete resources\n \\vskip 100 mm { }\n");
3757: if ($remove_latex_header eq "NO") {
3758: $current_output = &print_latex_header() . $current_output;
3759: } else {
3760: $current_output = &latex_header_footer_remove($current_output);
3761: }
3762: }
3763:
3764: if ($syllabus_first) {
3765: $current_output =~ s/\\\\ Last updated:/Last updated:/
3766: }
3767: if (0) {
3768: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
3769: my $header_line =
3770: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3771: $currentassignment, $courseidinfo, $fullname);
3772: my $header_start = ($columns_in_format == 1) ? '\lhead'
3773: : '\fancyhead[LO]';
3774: $header_line = $header_start.'{'.$header_line.'}';
3775: }
3776: if ($current_output=~/\\documentclass/) {
3777: # $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
3778: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$namepostfix}\\vskip 5 mm /;
3779:
3780: } else {
3781: my $blankpages =
3782: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
3783:
3784: # $current_output = '\strut\vspace*{-6 mm}\\newline'.
3785: # ©right_line().' \newpage '.$blankpages.$end_of_student.
3786: # '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
3787: # $header_line.$namepostfix. '} \vskip 5 mm '.$current_output;
3788: $current_output = '\strut\vspace*{-6 mm}\\newline'.
3789: ©right_line().' \newpage '.$blankpages.$end_of_student.
3790: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'
3791: .$namepostfix. '} \vskip 5 mm '.$current_output;
3792:
3793: }
3794: #
3795: # Close the student bracketing.
3796: #
3797: return ($current_output,$fullname, $printed);
3798:
3799: }
3800:
3801: sub printing_blocked {
3802: my ($r,$blocktext) = @_;
3803: my $title = &mt('Preparing Printout');
3804: &Apache::lonhtmlcommon::clear_breadcrumbs();
3805: &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout',
3806: text=> $title});
3807: my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
3808: &Apache::loncommon::content_type($r,'text/html');
3809: &Apache::loncommon::no_cache($r);
3810: $r->send_http_header;
3811: $r->print(&Apache::loncommon::start_page('Preparing Printout').
3812: $breadcrumbs.
3813: $blocktext.
3814: &Apache::loncommon::end_page());
3815: return;
3816: }
3817:
3818: sub handler {
3819:
3820: my $r = shift;
3821:
3822: if ($env{'request.course.id'}) {
3823: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3824: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3825: my ($blocked,$blocktext) =
3826: &Apache::loncommon::blocking_status('printout',$cnum,$cdom);
3827: if ($blocked) {
3828: my $checkrole = "cm./$cdom/$cnum";
3829: if ($env{'request.course.sec'} ne '') {
3830: $checkrole .= "/$env{'request.course.sec'}";
3831: }
3832: unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
3833: ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
3834: &printing_blocked($r,$blocktext);
3835: return OK;
3836: }
3837: }
3838: }
3839:
3840: &init_perm();
3841: my $helper = printHelper($r);
3842: if (!ref($helper)) {
3843: return $helper;
3844: }
3845:
3846:
3847: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
3848:
3849:
3850:
3851:
3852: # If a figure conversion queue file exists for this user.domain
3853: # we delete it since it can only be bad (if it were good, printout.pl
3854: # would have deleted it the last time around.
3855:
3856: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
3857: if(-e $conversion_queuefile) {
3858: unlink $conversion_queuefile;
3859: }
3860:
3861:
3862: &output_data($r,$helper,\%parmhash);
3863: return OK;
3864: }
3865:
3866: use Apache::lonhelper;
3867:
3868: sub addMessage {
3869: my $text = shift;
3870: my $paramHash = Apache::lonhelper::getParamHash();
3871: $paramHash->{MESSAGE_TEXT} = $text;
3872: Apache::lonhelper::message->new();
3873: }
3874:
3875:
3876:
3877: sub init_perm {
3878: undef(%perm);
3879: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
3880: if (!$perm{'pav'}) {
3881: $perm{'pav'}=&Apache::lonnet::allowed('pav',
3882: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3883: }
3884: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
3885: if (!$perm{'pfo'}) {
3886: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
3887: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3888: }
3889: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
3890: if (!$perm{'vgr'}) {
3891: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
3892: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3893: }
3894: }
3895:
3896: sub get_randomly_ordered_warning {
3897: my ($helper,$map) = @_;
3898:
3899: my $message;
3900:
3901: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
3902: my $navmap = Apache::lonnavmaps::navmap->new();
3903: if (defined($navmap)) {
3904: my $res = $navmap->getResourceByUrl($map);
3905: if ($res) {
3906: my $func =
3907: sub { return ($_[0]->is_map() && $_[0]->randomorder); };
3908: my @matches = $navmap->retrieveResources($res, $func,1,1,1);
3909:
3910: }
3911: } else {
3912: $message = "Retrieval of information about ordering of resources failed.";
3913: return '<message type="warning">'.$message.'</message>';
3914: }
3915: return;
3916: }
3917:
3918: sub printHelper {
3919: my $r = shift;
3920:
3921: if ($r->header_only) {
3922: if ($env{'browser.mathml'}) {
3923: &Apache::loncommon::content_type($r,'text/xml');
3924: } else {
3925: &Apache::loncommon::content_type($r,'text/html');
3926: }
3927: $r->send_http_header;
3928: return OK;
3929: }
3930:
3931: # Send header, nocache
3932: if ($env{'browser.mathml'}) {
3933: &Apache::loncommon::content_type($r,'text/xml');
3934: } else {
3935: &Apache::loncommon::content_type($r,'text/html');
3936: }
3937: &Apache::loncommon::no_cache($r);
3938: $r->send_http_header;
3939: $r->rflush();
3940:
3941: # Unfortunately, this helper is so complicated we have to
3942: # write it by hand
3943:
3944: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
3945:
3946: my $helper = Apache::lonhelper::helper->new("Printing Helper");
3947: $helper->declareVar('symb');
3948: $helper->declareVar('postdata');
3949: $helper->declareVar('curseed');
3950: $helper->declareVar('probstatus');
3951: $helper->declareVar('filename');
3952: $helper->declareVar('construction');
3953: $helper->declareVar('assignment');
3954: $helper->declareVar('style_file');
3955: $helper->declareVar('student_sort');
3956: $helper->declareVar('FINISHPAGE');
3957: $helper->declareVar('PRINT_TYPE');
3958: $helper->declareVar("showallfoils");
3959: $helper->declareVar("STUDENTS");
3960: $helper->declareVar("EXTRASPACE");
3961:
3962:
3963:
3964:
3965: # The page breaks and extra spaces
3966: # can get loaded initially from the course environment:
3967: # But we only do this in the initial state so that they are allowed to change.
3968: #
3969:
3970:
3971: &Apache::loncommon::restore_course_settings('print',
3972: {'pagebreaks' => 'scalar',
3973: 'extraspace' => 'scalar',
3974: 'extraspace_units' => 'scalar',
3975: 'lastprinttype' => 'scalar'});
3976:
3977: # This will persistently load in the data we want from the
3978: # very first screen.
3979:
3980: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
3981: if (!defined ($env{"form.CURRENT_STATE"})) {
3982:
3983: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
3984: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
3985: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
3986: } else {
3987: my $state = $env{"form.CURRENT_STATE"};
3988: if ($state eq "START") {
3989: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
3990: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
3991: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
3992:
3993: }
3994: }
3995:
3996: }
3997:
3998: # Detect whether we're coming from construction space
3999: if ($env{'form.postdata'}=~m{^/priv}) {
4000: $helper->{VARS}->{'filename'} = $env{'form.postdata'};
4001: $helper->{VARS}->{'construction'} = 1;
4002: } else {
4003: if ($env{'form.postdata'}) {
4004: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
4005: if ( $helper->{VARS}->{'symb'} eq '') {
4006: $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
4007: }
4008: }
4009: if ($env{'form.symb'}) {
4010: $helper->{VARS}->{'symb'} = $env{'form.symb'};
4011: }
4012: if ($env{'form.url'}) {
4013: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
4014: }
4015:
4016: }
4017:
4018: if ($env{'form.symb'}) {
4019: $helper->{VARS}->{'symb'} = $env{'form.symb'};
4020: }
4021: if ($env{'form.url'}) {
4022: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
4023:
4024: }
4025: $helper->{VARS}->{'symb'}=
4026: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
4027: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
4028: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
4029:
4030:
4031: # Extract map
4032: my $symb = $helper->{VARS}->{'symb'};
4033: my ($map, $id, $url);
4034: my $subdir;
4035: my $is_published=0; # True when printing from resource space.
4036: my $res_printable = 1; # By default the current resource is printable.
4037: my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
4038: my $res_printstartdate;
4039: my $res_printenddate;
4040: my $map_open = 0;
4041: my $map_close = 0xffffffff;
4042: my $course_open = 0;
4043: my $course_close = 0xffffffff;
4044:
4045: # Get the resource name from construction space
4046: if ($helper->{VARS}->{'construction'}) {
4047: $resourceTitle = substr($helper->{VARS}->{'filename'},
4048: rindex($helper->{VARS}->{'filename'}, '/')+1);
4049: $subdir = substr($helper->{VARS}->{'filename'},
4050: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
4051: } else {
4052: # From course space:
4053:
4054: if ($symb ne '') {
4055: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
4056: $helper->{VARS}->{'postdata'} =
4057: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
4058: my $navmap = Apache::lonnavmaps::navmap->new();
4059: my $res = $navmap->getBySymb($symb);
4060: $res_printable = $res->resprintable() | $userCanPrint; #printability in course context
4061: ($res_printstartdate, $res_printenddate) = &get_print_dates($res);
4062: ($course_open, $course_close) = &course_print_dates($res);
4063: ($map_open, $map_close) = &map_print_dates($res);
4064:
4065: } else {
4066: # Resource space.
4067:
4068: $url = $helper->{VARS}->{'postdata'};
4069: $is_published=1; # From resource space.
4070: }
4071: $url = &Apache::lonnet::clutter($url);
4072: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
4073: my $postdata = $helper->{VARS}->{'postdata'};
4074: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
4075: }
4076: $subdir = &Apache::lonnet::filelocation("", $url);
4077:
4078:
4079: }
4080: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
4081: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
4082: }
4083:
4084: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4085: $helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
4086: }
4087:
4088: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
4089:
4090: Apache::lonhelper::registerHelperTags();
4091:
4092: # "Delete everything after the last slash."
4093: $subdir =~ s|/[^/]+$||;
4094:
4095: # What can be printed is a very dynamic decision based on
4096: # lots of factors. So we need to dynamically build this list.
4097: # To prevent security leaks, states are only added to the wizard
4098: # if they can be reached, which ensures manipulating the form input
4099: # won't allow anyone to reach states they shouldn't have permission
4100: # to reach.
4101:
4102: # printChoices is tracking the kind of printing the user can
4103: # do, and will be used in a choices construction later.
4104: # In the meantime we will be adding states and elements to
4105: # the helper by hand.
4106: my $printChoices = [];
4107: my $paramHash;
4108:
4109: # If there is a current resource and it is printable
4110: # Give that as a choice.
4111:
4112: if ($resourceTitle && $res_printable) {
4113: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
4114: }
4115:
4116: # Useful filter strings
4117:
4118: my $isPrintable = ' && $res->resprintable()';
4119:
4120: my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
4121: $isProblem .= $isPrintable unless $userCanPrint;
4122: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
4123: my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
4124: $isProblemOrMap .= $isPrintable unless $userCanPrint;
4125: my $isNotMap = '(!$res->is_sequence())';
4126: $isNotMap .= $isPrintable unless $userCanPrint;
4127: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
4128: my $isMap = '$res->is_map()';
4129: $isMap .= $isPrintable unless $userCanPrint;
4130: my $symbFilter = '$res->shown_symb() ';
4131: my $urlValue = '$res->link()';
4132:
4133: $helper->declareVar('SEQUENCE');
4134:
4135: # If we're in a sequence...
4136:
4137: my $start_new_option;
4138: if ($perm{'pav'}) {
4139: $start_new_option =
4140: "<option text='".&mt('Start new page<br />before selected').
4141: "' variable='FINISHPAGE' />".
4142: "<option text='".&mt('Extra space<br />before selected').
4143: "' variable='EXTRASPACE' type='text' />" .
4144: "<option " .
4145: "' variable='POSSIBLE_RESOURCES' type='hidden' />".
4146: "<option text='".&mt('Space units<br />check for mm').
4147: "' variable='EXTRASPACE_UNITS' type='checkbox' />"
4148: ;
4149:
4150:
4151: }
4152:
4153: # If not construction space user can print the components of a page:
4154:
4155: my $page_ispage;
4156: my $page_title;
4157: if (!$helper->{VARS}->{'construction'}) {
4158: my $varspostdata = $helper->{VARS}->{'postdata'};
4159: my $varsassignment = $helper->{VARS}->{'assignment'};
4160: my $page_navmap = Apache::lonnavmaps::navmap->new();
4161: if (defined($page_navmap)) {
4162: my @page_resources = $page_navmap->retrieveResources($url);
4163: if(defined($page_resources[0])) {
4164: $page_ispage = $page_resources[0]->is_page();
4165: $page_title = $page_resources[0]->title();
4166: my $resourcesymb = $page_resources[0]->symb();
4167: my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
4168: if ($page_ispage) {
4169: push @{$printChoices},
4170: [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4171: 'map_problems_in_page',
4172: 'CHOOSE_PROBLEMS_PAGE'];
4173: push @{$printChoices},
4174: [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4175: 'map_resources_in_page',
4176: 'CHOOSE_RESOURCES_PAGE'];
4177: }
4178: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
4179: 'Select Problem(s) to print',
4180: "multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
4181: 'RESOURCES',
4182: 'PAGESIZE',
4183: $url,
4184: $isProblem, '', $symbFilter,
4185: $start_new_option);
4186:
4187:
4188: $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
4189: 'Select Resource(s) to print',
4190: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4191: 'RESOURCES',
4192: 'PAGESIZE',
4193: $url,
4194: $isNotMap, '', $symbFilter,
4195: $start_new_option);
4196:
4197:
4198:
4199:
4200:
4201: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4202:
4203: }
4204: }
4205: }
4206:
4207: if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
4208: $helper->{VARS}->{'postdata'} &&
4209: $helper->{VARS}->{'assignment'}) {
4210:
4211: # BZ 5209 - Print incomplete problems from sequence:
4212: # the exact form of this depends on whether or not we are privileged or a mere
4213: # plebe of s student:
4214:
4215: my $printSelector = 'map_incomplete_problems_seq';
4216: my $nextState = 'CHOOSE_INCOMPLETE_SEQ';
4217: my $textSuffix = '';
4218:
4219: if ($userCanPrint) {
4220: $printSelector = 'map_incomplete_problems_people_seq';
4221: $nextState = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
4222: $textSuffix = ' for selected students';
4223: my $helperStates =
4224: &create_incomplete_folder_selstud_helper($helper, $map);
4225: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4226: } else {
4227: if (&printable($map_open, $map_close)) {
4228: my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student.
4229: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4230: } else {
4231: # TODO: Figure out how to break the news...this folder is not printable.
4232: }
4233: }
4234:
4235: if ($userCanPrint || &printable($map_open, $map_close)) {
4236: push(@{$printChoices},
4237: [&mt('Selected [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
4238: '<b>', '</b>',
4239: '<b><i>'. $sequenceTitle . '</b></i>'),
4240: $printSelector,
4241: $nextState]);
4242: }
4243: # Allow problems from sequence
4244: if ($userCanPrint || &printable($map_open, $map_close)) {
4245: push @{$printChoices},
4246: [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4247: 'map_problems',
4248: 'CHOOSE_PROBLEMS'];
4249: # Allow all resources from sequence
4250: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4251: 'map_problems_pages',
4252: 'CHOOSE_PROBLEMS_HTML'];
4253: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
4254: 'Select Problem(s) to print',
4255: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4256: 'RESOURCES',
4257: 'PAGESIZE',
4258: $map,
4259: $isProblem, '',
4260: $symbFilter,
4261: $start_new_option);
4262: $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
4263: 'Select Resource(s) to print',
4264: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4265: 'RESOURCES',
4266: 'PAGESIZE',
4267: $map,
4268: $isNotMap, '',
4269: $symbFilter,
4270: $start_new_option);
4271:
4272: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4273: } else {
4274: # TODO: Figure out how to tell them the folder is not printable.
4275: }
4276: }
4277: # If the user has pfo (print for others) allow them to print all
4278: # problems and resources in the entire course, optionally for selected students
4279: my $post_data = $helper->{VARS}->{'postdata'};
4280:
4281: if ($perm{'pfo'} && !$is_published &&
4282: ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
4283:
4284: # BZ 5209 - incomplete problems from entire course:
4285:
4286: push(@{$printChoices},
4287: [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
4288: 'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
4289: my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
4290:
4291: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4292:
4293: # Selected problems/resources from entire course:
4294:
4295: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
4296: push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
4297: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
4298: my $suffixXml = <<ALL_PROBLEMS;
4299: <state name="STUDENTS1" title="Select People">
4300: <message><b>Select sorting order of printout</b> </message>
4301: <choices variable='student_sort'>
4302: <choice computer='0'>Sort by section then student</choice>
4303: <choice computer='1'>Sort by students across sections.</choice>
4304: </choices>
4305: <message><br /><hr /><br /> </message>
4306: <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
4307: </state>
4308: ALL_PROBLEMS
4309: &Apache::lonxml::xmlparse($r, 'helper',
4310: &generate_resource_chooser('ALL_PROBLEMS',
4311: 'SelectProblem(s) to print',
4312: 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
4313: 'RESOURCES',
4314: 'PAGESIZE',
4315: '',
4316: $isProblemOrMap, $isNotMap,
4317: $symbFilter,
4318: $start_new_option) .
4319: &generate_resource_chooser('ALL_RESOURCES',
4320: 'Select Resource(s) to print',
4321: " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
4322: 'RESOURCES',
4323: 'PAGESIZE',
4324: '',
4325: $isNotMap,'',$symbFilter,
4326: $start_new_option) .
4327: &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
4328: 'Select Problem(s) to print',
4329: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
4330: 'RESOURCES',
4331: 'STUDENTS1',
4332: '',
4333: $isProblemOrMap,'' , $symbFilter,
4334: $start_new_option) .
4335: $suffixXml
4336: );
4337:
4338: if ($helper->{VARS}->{'assignment'}) {
4339:
4340: # If we were looking at a page, allow a selection of problems from the page
4341: # either for selected students or for coded assignments.
4342:
4343: if ($page_ispage) {
4344: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
4345: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4346: 'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
4347: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
4348: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4349: 'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
4350: }
4351: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
4352: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4353: 'problems_for_students', 'CHOOSE_STUDENTS'];
4354: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
4355: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4356: 'problems_for_anon', 'CHOOSE_ANON1'];
4357: }
4358:
4359: my $randomly_ordered_warning =
4360: &get_randomly_ordered_warning($helper, $map);
4361:
4362: # resource_selector will hold a few states that:
4363: # - Allow resources to be selected for printing.
4364: # - Determine pagination between assignments.
4365: # - Determine how many assignments should be bundled into a single PDF.
4366: # TODO:
4367: # Probably good to do things like separate this up into several vars, each
4368: # with one state, and use REGEXPs at inclusion time to set state names
4369: # and next states for better mix and match capability
4370: #
4371: my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
4372: 'Select resources to print',
4373: 'multichoice="1" addstatus="1" closeallpages="1"',
4374: 'RESOURCES',
4375: 'PRINT_FORMATTING',
4376: $map,
4377: $isProblem, '', $symbFilter,
4378: $start_new_option);
4379: $resource_selector .= &generate_format_selector($helper,
4380: 'How should results be printed?',
4381: 'PRINT_FORMATTING').
4382: &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
4383: 'Select Problem(s) to print',
4384: "multichoice='1' addstatus='1' closeallpages ='1'",
4385: 'RESOURCES',
4386: 'PRINT_FORMATTING',
4387: $url,
4388: $isProblem, '', $symbFilter,
4389: $start_new_option);
4390:
4391:
4392: # Generate student choosers.
4393:
4394:
4395:
4396: &Apache::lonxml::xmlparse($r, 'helper',
4397: &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
4398: 'student_sort',
4399: 'STUDENTS',
4400: 'CHOOSE_STUDENTS_PAGE'));
4401: &Apache::lonxml::xmlparse($r, 'helper',
4402: &generate_student_chooser('CHOOSE_STUDENTS',
4403: 'student_sort',
4404: 'STUDENTS',
4405: 'SELECT_PROBLEMS'));
4406: &Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
4407:
4408: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4409: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4410: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
4411: my $namechoice='<choice></choice>';
4412: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
4413: if ($name =~ /^error: 2 /) { next; }
4414: if ($name =~ /^type\0/) { next; }
4415: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
4416: }
4417:
4418:
4419: my %code_values;
4420: my %codes_to_print;
4421: foreach my $key (@names) {
4422: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
4423: foreach my $key (keys(%code_values)) {
4424: $codes_to_print{$key} = 1;
4425: }
4426: }
4427:
4428: my $code_selection;
4429: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
4430: my $choice = $code;
4431: if ($code =~ /^[A-Z]+$/) { # Alpha code
4432: $choice = &letters_to_num($code);
4433: }
4434: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
4435: }
4436: if (%codes_to_print) {
4437: $code_selection .='
4438: <message><b>Choose single CODE from list:</b></message>
4439: <message></td><td></message>
4440: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
4441: <choice></choice>
4442: <exec>
4443: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
4444: </exec>
4445: </dropdown>
4446: <message></td></tr><tr><td></message>
4447: '.$/;
4448:
4449: }
4450:
4451: my @lines = &Apache::grades::get_scantronformat_file();
4452: my $codechoice='';
4453: foreach my $line (@lines) {
4454: my ($name,$description,$code_type,$code_length)=
4455: (split(/:/,$line))[0,1,2,4];
4456: if ($code_length > 0 &&
4457: $code_type =~/^(letter|number|-1)/) {
4458: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
4459: }
4460: }
4461: if ($codechoice eq '') {
4462: $codechoice='<choice computer="default">Default</choice>';
4463: }
4464: my $anon1 = &generate_code_selector($helper,
4465: 'CHOOSE_ANON1',
4466: 'SELECT_PROBLEMS',
4467: $codechoice,
4468: $code_selection,
4469: $namechoice) . $resource_selector;
4470:
4471:
4472: &Apache::lonxml::xmlparse($r, 'helper',$anon1);
4473:
4474: my $anon_page = &generate_code_selector($helper,
4475: 'CHOOSE_ANON1_PAGE',
4476: 'SELECT_PROBLEMS_PAGE',
4477: $codechoice,
4478: $code_selection,
4479: $namechoice) .
4480: &generate_resource_chooser('SELECT_PROBLEMS_PAGE',
4481: 'Select Problem(s) to print',
4482: "multichoice='1' addstatus='1' closeallpages ='1'",
4483: 'RESOURCES',
4484: 'PRINT_FORMATTING',
4485: $url,
4486: $isProblem, '', $symbFilter,
4487: $start_new_option);
4488: &Apache::lonxml::xmlparse($r, 'helper', $anon_page);
4489:
4490:
4491: if ($helper->{VARS}->{'assignment'}) {
4492:
4493: # Assignment printing:
4494:
4495: 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'];
4496: 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'];
4497: }
4498:
4499:
4500: $resource_selector=<<RESOURCE_SELECTOR;
4501: <state name="SELECT_RESOURCES" title="Select Resources">
4502: $randomly_ordered_warning
4503: <nextstate>PRINT_FORMATTING</nextstate>
4504: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
4505: <resource variable="RESOURCES" multichoice="1" addstatus="1"
4506: closeallpages="1">
4507: <filterfunc>return $isNotMap;</filterfunc>
4508: <mapurl>$map</mapurl>
4509: <valuefunc>return $symbFilter;</valuefunc>
4510: $start_new_option
4511: </resource>
4512: </state>
4513: RESOURCE_SELECTOR
4514:
4515: $resource_selector .= &generate_format_selector($helper,
4516: 'Format of the print job',
4517: 'PRINT_FORMATTING');
4518: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
4519: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
4520: <choices variable='student_sort'>
4521: <choice computer='0'>Sort by section then student</choice>
4522: <choice computer='1'>Sort by students across sections.</choice>
4523: </choices>
4524: <message><br /><hr /><br /></message>
4525: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
4526:
4527: </state>
4528: $resource_selector
4529: CHOOSE_STUDENTS1
4530:
4531: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
4532: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
4533: <nextstate>SELECT_RESOURCES</nextstate>
4534: <message><h4>Fill out one of the forms below</h4></message>
4535: <message><br /><hr /> <br /></message>
4536: <message><h3>Generate new CODEd Assignments</h3></message>
4537: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
4538: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
4539: <validator>
4540: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
4541: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4542: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
4543: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4544: return "You need to specify the number of assignments to print";
4545: }
4546: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
4547: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
4548: return 'Specifying number of codes to print and a specific code is not compatible';
4549: }
4550: return undef;
4551: </validator>
4552: </string>
4553: <message></td></tr><tr><td></message>
4554: <message><b>Names to save the CODEs under for later:</b></message>
4555: <message></td><td></message>
4556: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
4557: <message></td></tr><tr><td></message>
4558: <message><b>Bubblesheet type:</b></message>
4559: <message></td><td></message>
4560: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
4561: $codechoice
4562: </dropdown>
4563: <message></td></tr><tr><td></table></message>
4564: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
4565: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
4566: <string variable="SINGLE_CODE" size="10">
4567: <validator>
4568: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
4569: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4570: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4571: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
4572: \$helper->{'VARS'}{'CODE_OPTION'});
4573: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
4574: return 'Specifying a code name is incompatible specifying number of codes.';
4575: } else {
4576: return undef; # Other forces control us.
4577: }
4578: </validator>
4579: </string>
4580: <message></td></tr><tr><td></message>
4581: $code_selection
4582: <message></td></tr></table></message>
4583: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
4584: <message><b>Select saved CODEs:</b></message>
4585: <message></td><td></message>
4586: <dropdown variable="REUSE_OLD_CODES">
4587: $namechoice
4588: </dropdown>
4589: <message></td></tr></table></message>
4590: </state>
4591: $resource_selector
4592: CHOOSE_ANON2
4593: }
4594:
4595: # FIXME: That RE should come from a library somewhere.
4596: if (($perm{'pav'}
4597: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
4598: && (defined($helper->{'VARS'}->{'construction'})
4599: ||
4600: (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
4601: &&
4602: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
4603: ))
4604: && $helper->{VARS}->{'assignment'} eq ""
4605: ) {
4606: my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
4607: 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'];
4608: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
4609: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
4610:
4611: <files variable="FILES" multichoice='1'>
4612: <nextstate>PAGESIZE</nextstate>
4613: <filechoice>return '$subdir';</filechoice>
4614: CHOOSE_FROM_SUBDIR
4615:
4616: # this is broken up because I really want interpolation above,
4617: # and I really DON'T want it below
4618: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
4619: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
4620: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
4621: </filefilter>
4622: </files>
4623: </state>
4624: CHOOSE_FROM_SUBDIR
4625: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4626: }
4627:
4628: # Allow the user to select any sequence in the course, feed it to
4629: # another resource selector for that sequence
4630: if (!$helper->{VARS}->{'construction'} && !$is_published) {
4631: push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
4632: 'select_sequences', 'CHOOSE_SEQUENCE'];
4633: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
4634: #Escape apostrophes and backslashes for Perl
4635: $escapedSequenceName =~ s/\\/\\\\/g;
4636: $escapedSequenceName =~ s/'/\\'/g;
4637: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
4638: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
4639: <message>Select the sequence to print resources from:</message>
4640: <resource variable="SEQUENCE">
4641: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
4642: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
4643: <valuefunc>return $urlValue;</valuefunc>
4644: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
4645: </choicefunc>
4646: </resource>
4647: </state>
4648: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
4649: <message>(mark desired resources then click "next" button) <br /></message>
4650: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
4651: closeallpages="1">
4652: <nextstate>PAGESIZE</nextstate>
4653: <filterfunc>return $isNotMap</filterfunc>
4654: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
4655: <valuefunc>return $symbFilter;</valuefunc>
4656: $start_new_option
4657: </resource>
4658: </state>
4659: CHOOSE_FROM_ANY_SEQUENCE
4660: }
4661:
4662: # Generate the first state, to select which resources get printed.
4663: Apache::lonhelper::state->new("START", "Select Printing Options:");
4664: if (!$res_printable) {
4665: $paramHash = Apache::lonhelper::getParamHash();
4666: $paramHash->{MESSAGE_TEXT} =
4667: &mt('[_1]Printing for current resource is only possible between [_2] and [_3]',
4668: '<p><b>',$res_printstartdate, $res_printenddate.'</b></p>');
4669: Apache::lonhelper::message->new();
4670: }
4671: $paramHash = Apache::lonhelper::getParamHash();
4672: $paramHash = Apache::lonhelper::getParamHash();
4673: $paramHash->{MESSAGE_TEXT} = "";
4674: Apache::lonhelper::message->new();
4675: $paramHash = Apache::lonhelper::getParamHash();
4676: $paramHash->{'variable'} = 'PRINT_TYPE';
4677: $paramHash->{CHOICES} = $printChoices;
4678: Apache::lonhelper::choices->new();
4679:
4680: my $startedTable = 0; # have we started an HTML table yet? (need
4681: # to close it later)
4682:
4683: if (($perm{'pav'} and $perm{'vgr'}) or
4684: ($helper->{VARS}->{'construction'} eq '1')) {
4685: &addMessage('<br />'
4686: .'<h3>'.&mt('Print Options').'</h3>'
4687: .&Apache::lonhtmlcommon::start_pick_box()
4688: .&Apache::lonhtmlcommon::row_title(
4689: '<label for="ANSWER_TYPE_forminput">'
4690: .&mt('Print Answers')
4691: .'</label>'
4692: )
4693: );
4694: $paramHash = Apache::lonhelper::getParamHash();
4695: $paramHash->{'variable'} = 'ANSWER_TYPE';
4696: $helper->declareVar('ANSWER_TYPE');
4697: $paramHash->{CHOICES} = [
4698: ['Without Answers', 'yes'],
4699: ['With Answers', 'no'],
4700: ['Only Answers', 'only']
4701: ];
4702: Apache::lonhelper::dropdown->new();
4703: &addMessage(&Apache::lonhtmlcommon::row_closure());
4704: $startedTable = 1;
4705:
4706: #
4707: # Select font size.
4708: #
4709:
4710: $helper->declareVar('fontsize');
4711: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
4712: my $xmlfrag = << "FONT_SELECTION";
4713:
4714:
4715: <dropdown variable='fontsize' multichoice='0', allowempty='0'>
4716: <defaultvalue>
4717: return 'normalsize';
4718: </defaultvalue>
4719: <choice computer='tiny'>Tiny</choice>
4720: <choice computer='sub/superscriptsize'>Script Size</choice>
4721: <choice computer='footnotesize'>Footnote Size</choice>
4722: <choice computer='small'>Small</choice>
4723: <choice computer='normalsize'>Normal (default)</choice>
4724: <choice computer='large'>larger than normal</choice>
4725: <choice computer='Large'>Even larger than normal</choice>
4726: <choice computer='LARGE'>Still larger than normal</choice>
4727: <choice computer='huge'>huge font size</choice>
4728: <choice computer='Huge'>Largest possible size</choice>
4729: </dropdown>
4730: FONT_SELECTION
4731: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4732: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4733: }
4734:
4735: if ($perm{'pav'}) {
4736: if (!$startedTable) {
4737: addMessage("<hr width='33%' /><table><tr><td align='right'>".
4738: '<label for="LATEX_TYPE_forminput">'.
4739: &mt('LaTeX mode').
4740: "</label>: </td><td>");
4741: $startedTable = 1;
4742: } else {
4743: &addMessage(&Apache::lonhtmlcommon::row_title(
4744: '<label for="LATEX_TYPE_forminput">'
4745: .&mt('LaTeX mode')
4746: .'</label>'
4747: )
4748: );
4749: }
4750: $paramHash = Apache::lonhelper::getParamHash();
4751: $paramHash->{'variable'} = 'LATEX_TYPE';
4752: $helper->declareVar('LATEX_TYPE');
4753: if ($helper->{VARS}->{'construction'} eq '1') {
4754: $paramHash->{CHOICES} = [
4755: ['standard LaTeX mode', 'standard'],
4756: ['LaTeX batchmode', 'batchmode'], ];
4757: } else {
4758: $paramHash->{CHOICES} = [
4759: ['LaTeX batchmode', 'batchmode'],
4760: ['standard LaTeX mode', 'standard'] ];
4761: }
4762: Apache::lonhelper::dropdown->new();
4763:
4764: &addMessage(&Apache::lonhtmlcommon::row_closure()
4765: .&Apache::lonhtmlcommon::row_title(
4766: '<label for="TABLE_CONTENTS_forminput">'
4767: .&mt('Print Table of Contents')
4768: .'</label>'
4769: )
4770: );
4771: $paramHash = Apache::lonhelper::getParamHash();
4772: $paramHash->{'variable'} = 'TABLE_CONTENTS';
4773: $helper->declareVar('TABLE_CONTENTS');
4774: $paramHash->{CHOICES} = [
4775: ['No', 'no'],
4776: ['Yes', 'yes'] ];
4777: Apache::lonhelper::dropdown->new();
4778: &addMessage(&Apache::lonhtmlcommon::row_closure());
4779:
4780: if (not $helper->{VARS}->{'construction'}) {
4781: &addMessage(&Apache::lonhtmlcommon::row_title(
4782: '<label for="TABLE_INDEX_forminput">'
4783: .&mt('Print Index')
4784: .'</label>'
4785: )
4786: );
4787: $paramHash = Apache::lonhelper::getParamHash();
4788: $paramHash->{'variable'} = 'TABLE_INDEX';
4789: $helper->declareVar('TABLE_INDEX');
4790: $paramHash->{CHOICES} = [
4791: ['No', 'no'],
4792: ['Yes', 'yes'] ];
4793: Apache::lonhelper::dropdown->new();
4794: &addMessage(&Apache::lonhtmlcommon::row_closure());
4795: &addMessage(&Apache::lonhtmlcommon::row_title(
4796: '<label for="PRINT_DISCUSSIONS_forminput">'
4797: .&mt('Print Discussions')
4798: .'</label>'
4799: )
4800: );
4801: $paramHash = Apache::lonhelper::getParamHash();
4802: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
4803: $helper->declareVar('PRINT_DISCUSSIONS');
4804: $paramHash->{CHOICES} = [
4805: ['No', 'no'],
4806: ['Yes', 'yes'] ];
4807: Apache::lonhelper::dropdown->new();
4808: &addMessage(&Apache::lonhtmlcommon::row_closure());
4809:
4810: # Prompt for printing annotations too.
4811:
4812: &addMessage(&Apache::lonhtmlcommon::row_title(
4813: '<label for="PRINT_ANNOTATIONS_forminput">'
4814: .&mt('Print Annotations')
4815: .'</label>'
4816: )
4817: );
4818: $paramHash = Apache::lonhelper::getParamHash();
4819: $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
4820: $helper->declareVar("PRINT_ANNOTATIONS");
4821: $paramHash->{CHOICES} = [
4822: ['No', 'no'],
4823: ['Yes', 'yes']];
4824: Apache::lonhelper::dropdown->new();
4825: &addMessage(&Apache::lonhtmlcommon::row_closure());
4826:
4827: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
4828: $paramHash = Apache::lonhelper::getParamHash();
4829: $paramHash->{'multichoice'} = "true";
4830: $paramHash->{'allowempty'} = "true";
4831: $paramHash->{'variable'} = "showallfoils";
4832: $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
4833: Apache::lonhelper::choices->new();
4834: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4835: }
4836:
4837: if ($helper->{'VARS'}->{'construction'}) {
4838: my $stylevalue='$Apache::lonnet::env{"construct.style"}';
4839: my $randseedtext=&mt("Use random seed");
4840: my $stylefiletext=&mt("Use style file");
4841: my $selectfiletext=&mt("Select style file");
4842:
4843: my $xmlfrag .= '<message>'
4844: .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
4845: .$randseedtext
4846: .'</label>'
4847: )
4848: .'</message>
4849: <string variable="curseed" size="15" maxlength="15">
4850: <defaultvalue>
4851: return '.$helper->{VARS}->{'curseed'}.';
4852: </defaultvalue>'
4853: .'</string>'
4854: .'<message>'
4855: .&Apache::lonhtmlcommon::row_closure()
4856: .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
4857: .$stylefiletext
4858: .'</label>'
4859: )
4860: .'</message>
4861: <string variable="style_file" size="40">
4862: <defaultvalue>
4863: return '.$stylevalue.';
4864: </defaultvalue>
4865: </string><message> '
4866: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
4867: .$selectfiletext.'</a>'
4868: .&Apache::lonhtmlcommon::row_closure()
4869: .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
4870: .'</message>
4871: <choices allowempty="1" multichoice="true" variable="showallfoils">
4872: <choice computer="1"> </choice>
4873: </choices>'
4874: .'<message>'
4875: .&Apache::lonhtmlcommon::row_closure()
4876: .'</message>';
4877: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4878:
4879:
4880: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
4881: #
4882: # Initial value from construction space:
4883: #
4884: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4885: $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value
4886: }
4887: $xmlfrag = << "PROBTYPE";
4888: <dropdown variable="probstatus" multichoice="0" allowempty="0">
4889: <defaultvalue>
4890: return "$helper->{VARS}->{'probstatus'}";
4891: </defaultvalue>
4892: <choice computer="problem">Homework Problem</choice>
4893: <choice computer="exam">Exam Problem</choice>
4894: <choice computer="survey">Survey question</choice>
4895: ,choice computer="anonsurvey"Anonymous survey question</choice>
4896: </dropdown>
4897: PROBTYPE
4898: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4899: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4900:
4901:
4902:
4903: }
4904: }
4905:
4906:
4907:
4908:
4909: if ($startedTable) {
4910: &addMessage(&Apache::lonhtmlcommon::end_pick_box());
4911: }
4912:
4913: Apache::lonprintout::page_format_state->new("FORMAT");
4914:
4915: # Generate the PAGESIZE state which will offer the user the margin
4916: # choices if they select one column
4917: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
4918: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
4919:
4920:
4921: $helper->process();
4922:
4923:
4924: # MANUAL BAILOUT CONDITION:
4925: # If we're in the "final" state, bailout and return to handler
4926: if ($helper->{STATE} eq 'FINAL') {
4927: return $helper;
4928: }
4929:
4930: my $footer;
4931: if ($helper->{STATE} eq 'START') {
4932: my $prtspool=$r->dir_config('lonPrtDir');
4933: $footer = &recently_generated($prtspool);
4934: }
4935: $r->print($helper->display($footer));
4936: &Apache::lonhelper::unregisterHelperTags();
4937:
4938: return OK;
4939: }
4940:
4941:
4942: 1;
4943:
4944: package Apache::lonprintout::page_format_state;
4945:
4946: =pod
4947:
4948: =head1 Helper element: page_format_state
4949:
4950: See lonhelper.pm documentation for discussion of the helper framework.
4951:
4952: Apache::lonprintout::page_format_state is an element that gives the
4953: user an opportunity to select the page layout they wish to print
4954: with: Number of columns, portrait/landscape, and paper size. If you
4955: want to change the paper size choices, change the @paperSize array
4956: contents in this package.
4957:
4958: page_format_state is always directly invoked in lonprintout.pm, so there
4959: is no tag interface. You actually pass parameters to the constructor.
4960:
4961: =over 4
4962:
4963: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
4964:
4965: =back
4966:
4967: =cut
4968:
4969: use Apache::lonhelper;
4970:
4971: no strict;
4972: @ISA = ("Apache::lonhelper::element");
4973: use strict;
4974: use Apache::lonlocal;
4975: use Apache::lonnet;
4976:
4977: my $maxColumns = 2;
4978: # it'd be nice if these all worked
4979: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
4980: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
4981: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
4982: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
4983: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
4984: "a4 [210x297 mm]");
4985:
4986: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
4987: # Paper type
4988:
4989: sub new {
4990: my $self = Apache::lonhelper::element->new();
4991:
4992: shift;
4993:
4994: $self->{'variable'} = shift;
4995: my $helper = Apache::lonhelper::getHelper();
4996: $helper->declareVar($self->{'variable'});
4997: bless($self);
4998: return $self;
4999: }
5000:
5001: sub render {
5002: my $self = shift;
5003: my $helper = Apache::lonhelper::getHelper();
5004: my $result = '';
5005: my $var = $self->{'variable'};
5006: my $PageLayout=&mt('Page layout');
5007: my $NumberOfColumns=&mt('Number of columns');
5008: my $PaperType=&mt('Paper type');
5009: my $landscape=&mt('Landscape');
5010: my $portrait=&mt('Portrait');
5011:
5012:
5013: $result.='<h3>'.&mt('Layout Options').'</h3>'
5014: .&Apache::loncommon::start_data_table()
5015: .&Apache::loncommon::start_data_table_header_row()
5016: .'<th>'.$PageLayout.'</th>'
5017: .'<th>'.$NumberOfColumns.'</th>'
5018: .'<th>'.$PaperType.'</th>'
5019: .&Apache::loncommon::end_data_table_header_row()
5020: .&Apache::loncommon::start_data_table_row()
5021: .'<td>'
5022: .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
5023: .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
5024: .'</td>';
5025:
5026: $result.='<td align="center">'
5027: .'<select name="'.${var}.'.cols">';
5028:
5029: my $i;
5030: for ($i = 1; $i <= $maxColumns; $i++) {
5031: if ($i == 2) {
5032: $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
5033: } else {
5034: $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
5035: }
5036: }
5037:
5038: $result .= "</select></td><td>\n";
5039: $result .= "<select name='${var}.paper'>\n";
5040:
5041: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
5042: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
5043: $DefaultPaperSize=~s/\s//g;
5044: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
5045: $i = 0;
5046: foreach (@paperSize) {
5047: $_=~/(\w+)/;
5048: my $papersize=$1;
5049: if ($paperSize[$i]=~/$DefaultPaperSize/) {
5050: $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
5051: } else {
5052: $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
5053: }
5054: $i++;
5055: }
5056: $result .= <<HTML;
5057: </select>
5058: </td>
5059: HTML
5060: $result.=&Apache::loncommon::end_data_table_row()
5061: .&Apache::loncommon::end_data_table();
5062:
5063: return $result;
5064: }
5065:
5066: sub postprocess {
5067: my $self = shift;
5068:
5069: my $var = $self->{'variable'};
5070: my $helper = Apache::lonhelper->getHelper();
5071: $helper->{VARS}->{$var} =
5072: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
5073: $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
5074: return 1;
5075: }
5076:
5077: 1;
5078:
5079: package Apache::lonprintout::page_size_state;
5080:
5081: =pod
5082:
5083: =head1 Helper element: page_size_state
5084:
5085: See lonhelper.pm documentation for discussion of the helper framework.
5086:
5087: Apache::lonprintout::page_size_state is an element that gives the
5088: user the opportunity to further refine the page settings if they
5089: select a single-column page.
5090:
5091: page_size_state is always directly invoked in lonprintout.pm, so there
5092: is no tag interface. You actually pass parameters to the constructor.
5093:
5094: =over 4
5095:
5096: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
5097:
5098: =back
5099:
5100: =cut
5101:
5102: use Apache::lonhelper;
5103: use Apache::lonnet;
5104: no strict;
5105: @ISA = ("Apache::lonhelper::element");
5106: use strict;
5107:
5108:
5109:
5110: sub new {
5111: my $self = Apache::lonhelper::element->new();
5112:
5113: shift; # disturbs me (probably prevents subclassing) but works (drops
5114: # package descriptor)... - Jeremy
5115:
5116: $self->{'variable'} = shift;
5117: my $helper = Apache::lonhelper::getHelper();
5118: $helper->declareVar($self->{'variable'});
5119:
5120: # The variable name of the format element, so we can look into
5121: # $helper->{VARS} to figure out whether the columns are one or two
5122: $self->{'formatvar'} = shift;
5123:
5124:
5125: $self->{NEXTSTATE} = shift;
5126: bless($self);
5127:
5128: return $self;
5129: }
5130:
5131: sub render {
5132: my $self = shift;
5133: my $helper = Apache::lonhelper::getHelper();
5134: my $result = '';
5135: my $var = $self->{'variable'};
5136:
5137:
5138:
5139: if (defined $self->{ERROR_MSG}) {
5140: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
5141: }
5142:
5143: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5144:
5145: # Use format to get sensible defaults for the margins:
5146:
5147:
5148: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5149: ($papersize) = split(/ /, $papersize);
5150:
5151: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5152:
5153:
5154:
5155: my %size;
5156: ($size{'width_and_units'},
5157: $size{'height_and_units'},
5158: $size{'margin_and_units'})=
5159: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5160:
5161: foreach my $dimension ('width','height','margin') {
5162: ($size{$dimension},$size{$dimension.'_unit'}) =
5163: split(/ +/, $size{$dimension.'_and_units'},2);
5164:
5165: foreach my $unit ('cm','in') {
5166: $size{$dimension.'_options'} .= '<option ';
5167: if ($size{$dimension.'_unit'} eq $unit) {
5168: $size{$dimension.'_options'} .= 'selected="selected" ';
5169: }
5170: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
5171: }
5172: }
5173:
5174: # Adjust margin for LaTeX margin: .. requires units == cm or in.
5175:
5176: if ($size{'margin_unit'} eq 'in') {
5177: $size{'margin'} += 1;
5178: } else {
5179: $size{'margin'} += 2.54;
5180: }
5181: my %lt = &Apache::lonlocal::texthash(
5182: 'format' => 'How should each column be formatted?',
5183: 'width' => 'Width',
5184: 'height' => 'Height',
5185: 'margin' => 'Left Margin'
5186: );
5187:
5188: $result .= '<p>'.$lt{'format'}.'</p>'
5189: .&Apache::lonhtmlcommon::start_pick_box()
5190: .&Apache::lonhtmlcommon::row_title($lt{'width'})
5191: .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
5192: .'<select name="'.$var.'.widthunit">'
5193: .$size{'width_options'}
5194: .'</select>'
5195: .&Apache::lonhtmlcommon::row_closure()
5196: .&Apache::lonhtmlcommon::row_title($lt{'height'})
5197: .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
5198: .'<select name="'.$var.'.heightunit">'
5199: .$size{'height_options'}
5200: .'</select>'
5201: .&Apache::lonhtmlcommon::row_closure()
5202: .&Apache::lonhtmlcommon::row_title($lt{'margin'})
5203: .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
5204: .'<select name="'.$var.'.lmarginunit">'
5205: .$size{'margin_options'}
5206: .'</select>'
5207: .&Apache::lonhtmlcommon::row_closure(1)
5208: .&Apache::lonhtmlcommon::end_pick_box();
5209: # <p>Hint: Some instructors like to leave scratch space for the student by
5210: # making the width much smaller than the width of the page.</p>
5211:
5212: return $result;
5213: }
5214:
5215:
5216: sub preprocess {
5217: my $self = shift;
5218: my $helper = Apache::lonhelper::getHelper();
5219:
5220: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5221:
5222: # If the user does not have 'pav' privilege, set default widths and
5223: # on to the next state right away.
5224: #
5225: if (!$perm{'pav'}) {
5226: my $var = $self->{'variable'};
5227: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5228:
5229: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5230: ($papersize) = split(/ /, $papersize);
5231:
5232:
5233: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5234:
5235: # Figure out some good defaults for the print out and set them:
5236:
5237: my %size;
5238: ($size{'width'},
5239: $size{'height'},
5240: $size{'lmargin'})=
5241: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5242:
5243: foreach my $dim ('width', 'height', 'lmargin') {
5244: my ($value, $units) = split(/ /, $size{$dim});
5245:
5246: $helper->{VARS}->{"$var.".$dim} = $value;
5247: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
5248:
5249: }
5250:
5251:
5252: # Transition to the next state
5253:
5254: $helper->changeState($self->{NEXTSTATE});
5255: }
5256:
5257: return 1;
5258: }
5259:
5260: sub postprocess {
5261: my $self = shift;
5262:
5263: my $var = $self->{'variable'};
5264: my $helper = Apache::lonhelper->getHelper();
5265: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
5266: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
5267: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
5268: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
5269: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
5270: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
5271:
5272: my $error = '';
5273:
5274: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
5275: # by an optional period, followed by digits, ending the string
5276:
5277: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5278: $error .= "Invalid width; please type only a number.<br />\n";
5279: }
5280: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5281: $error .= "Invalid height; please type only a number.<br />\n";
5282: }
5283: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5284: $error .= "Invalid left margin; please type only a number.<br />\n";
5285: } else {
5286: # Adjust for LaTeX 1.0 inch margin:
5287:
5288: if ($env{"form.${var}.lmarginunit"} eq "in") {
5289: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
5290: } else {
5291: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
5292: }
5293: }
5294:
5295: if (!$error) {
5296: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
5297: return 1;
5298: } else {
5299: $self->{ERROR_MSG} = $error;
5300: return 0;
5301: }
5302: }
5303:
5304: __END__
5305:
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