1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.627 2012/12/17 14:16:06 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: # http://www.lon-capa.org/
26: #
27: #
28: package Apache::lonprintout;
29: use strict;
30: use POSIX;
31: use Apache::Constants qw(:common :http);
32: use Apache::lonxml;
33: use Apache::lonnet;
34: use Apache::loncommon;
35: use Apache::inputtags;
36: use Apache::grades;
37: use Apache::edit;
38: use Apache::File();
39: use Apache::lonnavmaps;
40: use Apache::admannotations;
41: use Apache::lonenc;
42: use Apache::entities;
43: use Apache::londefdef;
44: # use Apache::structurelags; # for language management.
45:
46: use File::Basename;
47:
48: use HTTP::Response;
49: use LONCAPA::map();
50: use POSIX qw(ctime);
51: use Apache::lonlocal;
52: use Carp;
53: use LONCAPA;
54:
55:
56: my %perm;
57: my %parmhash;
58: my $resources_printed;
59:
60: # Global variables that describe errors in ssi calls detected by ssi_with_retries.
61: #
62:
63: my $ssi_error; # True if there was an ssi error.
64: my $ssi_last_error_resource; # The resource URI that could not be fetched.
65: my $ssi_last_error; # The error text from the server. (e.g. 500 Server timed out).
66:
67: #
68: # Our ssi max retry count.
69: #
70:
71: my $ssi_retry_count = 5; # Some arbitrary value.
72:
73:
74: # Font size:
75:
76: my $font_size = 'normalsize'; # Default is normalsize...
77:
78: #---------------------------- Helper helpers. -------------------------
79:
80: ##
81: # Filter function to determine if a resource is a printable sequence.
82: #
83: # @param $res -Resource to check.
84: #
85: # @return 1 - printable and a resource
86: # 0 - either notm a sequence or not printable.
87: #
88: sub printable_sequence {
89: my $res = shift;
90:
91: # Non-sequences are not listed:
92:
93: if (!$res->is_sequence()) {
94: return 0;
95: }
96:
97: # Person with pav or pfo can always print:
98:
99: if ($perm{'pav'} || $perm{'pfo'}) {
100: return 1;
101: }
102:
103: if ($res->is_sequence()) {
104: my $symb = $res->symb();
105: my $navmap = $res->{NAV_MAP};
106:
107: # Find the first resource in the map:
108:
109: my $iterator = $navmap->getIterator($res, undef, undef, 1, 1);
110: my $first = $iterator->next();
111:
112: while (1) {
113: if ($first == $iterator->END_ITERATOR) { last; }
114: if (ref($first) && ! $first->is_sequence()) {last; }
115: $first = $iterator->next();
116: }
117:
118:
119: # Might be an empty map:
120:
121: if (!ref($first)) {
122: return 0;
123: }
124: my $partsref = $first->parts();
125: my @parts = @$partsref;
126: my ($open, $close) = $navmap->map_printdates($first, $parts[0]);
127: return &printable($open, $close);
128: }
129: return 0;
130: }
131:
132: # BZ5209:
133: # Create the states needed to run the helper for incomplete problems from
134: # the current folder for selected students.
135: # This includes:
136: # - A resource selector limited to problems (incompleteness must be
137: # calculated on a student per student basis.
138: # - A student selector.
139: # - Tie in to the FORMAT of the print job.
140: #
141: # States:
142: # CHOOSE_INCOMPLETE_PEOPLE_SEQ - Resource selection.
143: # CHOOSE_STUDENTS_INCOMPLETE - Student selection.
144: # CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection
145: # Parameters:
146: # helper - the helper which already contains info about the current folder we can
147: # purloin.
148: # url - Top url of the sequence
149: # Return:
150: # XML that can be parsed by the helper to drive the state machine.
151: #
152: sub create_incomplete_folder_selstud_helper($helper)
153: {
154: my ($helper, $map) = @_;
155:
156:
157: my $symbFilter = '$res->shown_symb()';
158: my $selFilter = '$res->is_problem()';
159:
160:
161: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ',
162: 'Select problem(s) to print',
163: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
164: 'RESOURCES',
165: 'CHOOSE_STUDENTS_INCOMPLETE',
166: $map,
167: $selFilter,
168: '',
169: $symbFilter,
170: '');
171:
172: my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE',
173: 'student_sort',
174: 'STUDENTS',
175: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT');
176:
177: my $format_chooser = &generate_format_selector($helper,
178: 'Format of the print job',
179: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
180:
181: return $resource_chooser . $student_chooser . $format_chooser;
182: }
183:
184:
185: # BZ 5209
186: # Create the states needed to run the helper for incomplete problems from
187: # the current folder for selected students.
188: # This includes:
189: # - A resource selector limited to problems. (incompleteness must be calculated
190: # on a student per student basis.
191: # - A student selector.
192: # - Tie in to format for the print job.
193: # States:
194: # INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector.
195: # INCOMPLETE_PROBLEMS_COURSE_STUDENTS - Student selector.
196: # INCOMPLETE_PROBLEMS_COURSE_FORMAT - Format selection.
197: #
198: # Parameters:
199: # helper - Helper we are creating states for.
200: # Returns:
201: # Text that can be parsed by the helper.
202: #
203:
204: sub create_incomplete_course_helper {
205: my $helper = shift;
206:
207: my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
208: my $symbfilter = '$res->shown_symb()';
209:
210: my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES',
211: 'Select problem(s) to print',
212: 'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1"',
213: 'RESOURCES',
214: 'INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
215: '',
216: $filter,
217: '',
218: $symbfilter,
219: '');
220:
221: my $people_chooser = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
222: 'student_sort',
223: 'STUDENTS',
224: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT');
225:
226: my $format = &generate_format_selector($helper,
227: 'Format of the print job',
228: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
229:
230: return $resource_chooser . $people_chooser . $format;
231:
232:
233: }
234:
235: # BZ5209
236: # Creates the states needed to run the print helper for a student
237: # that wants to print his incomplete problems from the current folder.
238: # Parameters:
239: # $helper - helper we are generating states for.
240: # $map - The map for which the student wants incomplete problems.
241: # Returns:
242: # XML that defines the helper states being created.
243: #
244: # States:
245: # CHOOSE_INCOMPLETE_SEQ - Resource selector.
246: #
247: sub create_incomplete_folder_helper {
248: my ($helper, $map) = @_;
249:
250: my $filter = '$res->is_problem()';
251: $filter .= ' && $res->resprintable() ';
252: $filter .= ' && $res->is_incomplete() ';
253:
254: my $symfilter = '$res->shown_symb()';
255:
256: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ',
257: 'Select problem(s) to print',
258: 'multichoice="1", toponly ="1", addstatus="1", closeallpages="1"',
259: 'RESOURCES',
260: 'PAGESIZE',
261: $map,
262: $filter, '',
263: $symfilter,
264: '');
265:
266: return $resource_chooser;
267: }
268:
269:
270: # Returns the text neded for a student chooser.
271: # that text must still be parsed by the helper xml parser.
272: # Parameters:
273: # this_state - State name of the chooser.
274: # sort_choice - variable to hold the sorting choice.
275: # variable - Name of variable to hold students.
276: # next_state - State after chooser.
277:
278:
279: sub generate_student_chooser {
280: my ($this_state,
281: $sort_choice,
282: $variable,
283: $next_state) = @_;
284: my $result = <<CHOOSE_STUDENTS;
285: <state name="$this_state" title="Select Students and Resources">
286: <message><b>Select sorting order of printout</b> </message>
287:
288: <choices variable="$sort_choice">
289: <choice computer='0'>Sort by section then student</choice>
290: <choice computer='1'>Sort by students across sections.</choice>
291: </choices>
292:
293: <message><br /><hr /><br /> </message>
294: <student multichoice='1'
295: variable="$variable"
296: nextstate="$next_state"
297: coursepersonnel="1" />
298: </state>
299:
300: CHOOSE_STUDENTS
301:
302: return $result;
303: }
304:
305: # Generate the text needed for a resource chooser given the top level of
306: # the sequence/page
307: #
308: # Parameters:
309: # this_state - State name of the chooser.
310: # prompt_text - Text to use to prompt user.
311: # resource_options - Resource tag options e.g.
312: # "multichoice='1', toponly='1', addstatus='1'"
313: # that control the selection and appearance of the
314: # resource selector.
315: # variable - Name of the variable to hold the choice
316: # next_state - Name of the next state the helper should transition
317: # to
318: # top_url - Top level URL within which to make the selector.
319: # If empty the top level sequence is shown.
320: # filter - How to filter the resources.
321: # value_func - <valuefunc> function.
322: # choice_func - If not empty generates a <choicefunc> with this function.
323: # start_new_option
324: # - Fragment appended after valuefunc.
325: #
326: #
327: sub generate_resource_chooser {
328: my ($this_state,
329: $prompt_text,
330: $resource_options,
331: $variable,
332: $next_state,
333: $top_url,
334: $filter,
335: $choice_func,
336: $value_func,
337: $start_new_option) = @_;
338:
339: my $result = <<CHOOSE_RESOURCES;
340: <state name="$this_state" title="$prompt_text">
341: <resource variable="$variable" $resource_options
342: closeallpages="1">
343: <nextstate>$next_state</nextstate>
344: <filterfunc>return $filter;</filterfunc>
345: CHOOSE_RESOURCES
346: if ($choice_func ne '') {
347: $result .= "<choicefunc>return $choice_func;</choicefunc>";
348: }
349: if ($top_url ne '') {
350: $result .= "<mapurl>$top_url</mapurl>";
351: }
352: $result .= <<CHOOSE_RESOURCES;
353: <valuefunc>return $value_func;</valuefunc>
354: $start_new_option
355: </resource>
356: </state>
357: CHOOSE_RESOURCES
358: return $result;
359: }
360: #
361: # Generate the helper XML for a code choice helper dialog:
362: #
363: # Paramters:
364: # $helper - Reference to the helper.
365: # $state - Name of the state for the chooser.
366: # $next_state - Name fo the state to follow the chooser.
367: # $bubble_types - Populates the bubble sheet type dropt down.
368: # $code_selections - Provides set of code choices that have been used
369: # $saved_codes - Provides the list of saved codes.
370: #
371: # Returns;
372: # The Xml of the code chooser.
373: #
374: sub generate_code_selector {
375: my ($helper,
376: $state,
377: $next_state,
378: $bubble_types,
379: $code_selections,
380: $saved_codes) = @_; # Unpack the parameters.
381:
382: my $result = <<CHOOSE_ANON1;
383: <state name="$state" title="Specify CODEd Assignments">
384: <nextstate>$next_state</nextstate>
385: <message><h4>Fill out one of the forms below</h4></message>
386: <message><br /><hr /> <br /></message>
387: <message><h3>Generate new CODEd Assignments</h3></message>
388: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
389: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
390: <validator>
391: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
392: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
393: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
394: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
395:
396: return "You need to specify the number of assignments to print";
397: }
398: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
399: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
400: return 'Specifying number of codes to print and a specific code is not compatible';
401: }
402: return undef;
403: </validator>
404: </string>
405: <message></td></tr><tr><td></message>
406: <message><b>Names to save the CODEs under for later:</b></message>
407: <message></td><td></message>
408: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
409: <message></td></tr><tr><td></message>
410: <message><b>Bubblesheet type:</b></message>
411: <message></td><td></message>
412: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
413: $bubble_types
414: </dropdown>
415: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
416: <message></td></tr><tr><td></table></message>
417: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
418: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
419: <string variable="SINGLE_CODE" size="10">
420: <validator>
421: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
422: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
423: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
424: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
425: \$helper->{'VARS'}{'CODE_OPTION'});
426: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
427: return 'Specifying a code name is incompatible with specifying number of codes.';
428: } else {
429: return undef; # Other forces control us.
430: }
431: </validator>
432: </string>
433: <message></td></tr><tr><td></message>
434: $code_selections
435: <message></td></tr></table></message>
436: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
437: <message><b>Select saved CODEs:</b></message>
438: <message></td><td></message>
439: <dropdown variable="REUSE_OLD_CODES">
440: $saved_codes
441: </dropdown>
442: <message></td></tr></table></message>
443: </state>
444: CHOOSE_ANON1
445:
446: return $result;
447: }
448:
449: # Returns the XML for choosing how assignments are to be formatted
450: # that text must still be parsed by the helper xml parser.
451: # Parameters: 3 (required)
452:
453: # helper - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
454: # to check if splitting PDFs by section can be offered.
455: # title - Title for the current state.
456: # this_state - State name of the chooser.
457:
458: sub generate_format_selector {
459: my ($helper,$title,$this_state) = @_;
460: my $secpdfoption;
461: unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
462: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
463: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
464: $secpdfoption = '<choice computer="sections">Each PDF contains exactly one section</choice>';
465: }
466: return <<RESOURCE_SELECTOR;
467: <state name="$this_state" title="$title">
468: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
469: <choices variable="EMPTY_PAGES">
470: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
471: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
472: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
473: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
474: </choices>
475: <nextstate>PAGESIZE</nextstate>
476: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
477: <choices variable="SPLIT_PDFS">
478: <choice computer="all">All assignments in a single PDF file</choice>
479: $secpdfoption
480: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
481: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
482: Specify the number of assignments per PDF:</choice>
483: </choices>
484: </state>
485: RESOURCE_SELECTOR
486: }
487:
488: #-----------------------------------------------------------------------
489:
490: # Computes an open and close date from a list of open/close dates for a resource's
491: # parts.
492: #
493: # @param \@opens - reference to an array of open dates.
494: # @param \@closes - reference to an array of close dates.
495: #
496: # @return ($open, $close)
497: #
498: # @note If open/close dates are not defined they will be retunred as undef
499: # @note It is possible for there to be no overlap in which case -1,-1
500: # will be returned.
501: # @note The algorithm used is to take the latest open date and the earliest end date.
502: #
503: sub compute_open_window {
504: my ($opensref, $closesref) = @_;
505:
506: my @opens = @$opensref;
507: my @closes = @$closesref;
508:
509: # latest open date:
510: my $latest_open;
511:
512: foreach my $open (@opens) {
513: if (!defined($latest_open) || ($open > $latest_open)) {
514: $latest_open = $open;
515: }
516: }
517: # Earliest close:
518:
519: my $earliest_close;
520: foreach my $close (@closes) {
521: if (!defined($earliest_close) || ($close < $earliest_close)) {
522: $earliest_close = $close;
523: }
524: }
525:
526: # If no overlap...both are -1 as promised.
527:
528: if (defined($earliest_close) && defined($latest_open)
529: && ($earliest_close < $latest_open)) {
530: $latest_open = -1;
531: $earliest_close = -1;
532: }
533:
534: return ($latest_open, $earliest_close);
535:
536: }
537:
538: ##
539: # Determines if 'now' is within the set of printable dates.
540: #
541: # @param $open_date - Starting date/timestamp.
542: # @param $close_date - Ending date/timestamp.
543: #
544: # @return 0 - Not open.
545: # @return 1 - open.
546: #
547: sub printable {
548: my ($open_date, $close_date) = @_;
549:
550:
551: my $now = time();
552:
553: # Have to do a bit of fancy footwork around undefined open/close dates:
554:
555: if ($open_date && ($open_date > $now)) {
556: return 0;
557: }
558:
559: if ($close_date && ($close_date < $now)) {
560: return 0;
561: }
562:
563: return 1;
564:
565: }
566:
567: ##
568: # Returns the innermost print start/print end dates for a resource.
569: # This is done by looking at the start/end dates for its parts and choosing
570: # the intersection of those dates.
571: #
572: # @param res - lonnvamaps::resource object that represents the resource.
573: #
574: # @return (opendate, closedate)
575: #
576: # @note If open/close dates are not defined they will be retunred as undef
577: # @note It is possible for there to be no overlap in which case -1,-1
578: # will be returned.
579: # @note The algorithm used is to take the latest open date and the earliest end date.
580: #
581:
582: sub get_print_dates {
583: my $res = shift;
584: my $partsref = $res->parts();
585: my @parts;
586: if (ref($partsref) eq 'ARRAY') {
587: @parts = @{$partsref};
588: }
589: my $open_date;
590: my $close_date;
591: my @open_dates;
592: my @close_dates;
593:
594:
595: if (@parts) {
596: foreach my $part (@parts) {
597: my $partopen = $res->parmval('printstartdate', $part);
598: my $partclose = $res->parmval('printenddate', $part);
599:
600: push(@open_dates, $partopen);
601: push(@close_dates, $partclose);
602: }
603: }
604:
605: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
606:
607: if ($open_date) {
608: $open_date = POSIX::strftime('%D', localtime($open_date));
609: }
610: if ($close_date) {
611: $close_date = POSIX::strftime('%D', localtime($close_date));
612: }
613:
614: return ($open_date, $close_date);
615: }
616:
617: ##
618: # Get the dates for which a course says a resource can be printed. This is like
619: # get_print_dates but namvaps::course_print_dates are gotten...and not converted
620: # to times either.
621: #
622: # @param $res - Reference to a resource has from lonnvampas::resource.
623: #
624: # @return (opendate, closedate)
625: #
626: sub course_print_dates {
627: my $res = shift;
628: my $partsref = $res->parts();
629: my @parts = @$partsref;
630: my $open_date;
631: my $close_date;
632: my @open_dates;
633: my @close_dates;
634: my $navmap = $res->{NAV_MAP}; # Slightly OO dirty.
635:
636: # Don't bother looping over undefined or empty parts arraY;
637:
638: if (@parts) {
639: foreach my $part (@parts) {
640: my ($partopen, $partclose) = $navmap->course_printdates($res, $part);
641: push(@open_dates, $partopen);
642: push(@close_dates, $partclose);
643: }
644: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
645: }
646: return ($open_date, $close_date);
647: }
648: ##
649: # Same as above but for the enclosing map:
650: #
651: sub map_print_dates {
652: my $res = shift;
653: my $partsref = $res->parts();
654: my @parts = @$partsref;
655: my $open_date;
656: my $close_date;
657: my @open_dates;
658: my @close_dates;
659: my $navmap = $res->{NAV_MAP}; # slightly OO dirty.
660:
661:
662: # Don't bother looping over undefined or empty parts arraY;
663:
664: if (@parts) {
665: foreach my $part (@parts) {
666: my ($partopen, $partclose) = $navmap->map_printdates($res, $part);
667: push(@open_dates, $partopen);
668: push(@close_dates, $partclose);
669: }
670: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
671: }
672: return ($open_date, $close_date);
673: }
674:
675: # Determine if a resource is incomplete given the map:
676: # Parameters:
677: # $username - Name of user for whom we are checking.
678: # $domain - Domain of user we are checking.
679: # $map - map name.
680: # Returns:
681: # 0 - map is not incomplete.
682: # 1 - map is incomplete.
683: #
684: sub incomplete {
685: my ($username, $domain, $map) = @_;
686:
687:
688: my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
689:
690:
691: if (defined($navmap)) {
692: my $res = $navmap->getResourceByUrl($map);
693: my $result = $res->is_incomplete();
694: return $result;
695: } else {
696: return 1;
697: }
698: }
699: #
700: # When printing for students, the resoures and order of the
701: # resources may need to be altered if there are folders with
702: # random selectiopn or random ordering (or both) enabled.
703: # This sub computes the set of resources to print for a student
704: # modified both by random ordering and selection and filtered
705: # to only those that are in the original set selcted to be printed.
706: #
707: # Parameters:
708: # $map - The URL of the folder being printed.
709: # Used to determine which startResource and finishResource
710: # to use when using the navmap's getIterator method.
711: # $seq - The original set of resources to print.
712: # (really an array of resource names (array of symb's).
713: # $who - Student/domain for whome the sequence will be generated.
714: # $code - CODE being printed when printing Problems/Resources
715: # from folder for CODEd assignments
716: #
717: # Implicit inputs:
718: # $
719: # Returns:
720: # reference to an array of resources that can be passed to
721: # print_resources.
722: #
723: sub master_seq_to_person_seq {
724: my ($map, $seq, $who, $code) = @_;
725:
726:
727: my ($username, $userdomain, $usersection) = split(/:/, $who);
728:
729: # Toss the sequence up into a hash so that we have O(1) lookup time.
730: # on the items that come out of the user's list of resources.
731: #
732:
733: my %seq_hash = map {$_ => 1} @$seq;
734: my @output_seq;
735:
736: my $navmap = Apache::lonnavmaps::navmap->new($username, $userdomain,
737: $code);
738: my ($start,$finish);
739:
740: if ($map) {
741: my $mapres = $navmap->getResourceByUrl($map);
742: if ($mapres->is_map()) {
743: $start = $mapres->map_start();
744: $finish = $mapres->map_finish();
745: }
746: }
747: unless ($start && $finish) {
748: $start = $navmap->firstResource();
749: $finish = $navmap->finishResource();
750: }
751:
752: my $iterator = $navmap->getIterator($start,$finish,{},1);
753:
754: # Iterate on the resource..select the items that are randomly selected
755: # and that are in the seq_has. Presumably the iterator will take care
756: # of the random ordering part of the deal.
757: #
758: my $curres;
759: while ($curres = $iterator->next()) {
760: #
761: # Only process resources..that are not removed by randomout...
762: # and are selected for printint as well.
763: #
764:
765: if (ref($curres) && ! $curres->randomout()) {
766: my $currsymb = $curres->symb();
767: if (exists($seq_hash{$currsymb})) {
768: push(@output_seq, $currsymb);
769: }
770: }
771: }
772:
773: return \@output_seq; # for now.
774:
775: }
776:
777:
778: # Fetch the contents of a resource, uninterpreted.
779: # This is used here to fetch a latex file to be included
780: # verbatim into the printout<
781: # NOTE: Ask Guy if there is a lonnet function similar to this?
782: #
783: # Parameters:
784: # URL of the file
785: #
786: sub fetch_raw_resource {
787: my ($url) = @_;
788:
789: my $filename = &Apache::lonnet::filelocation("", $url);
790: my $contents = &Apache::lonnet::getfile($filename);
791:
792: if ($contents == -1) {
793: return "File open failed for $filename"; # This will bomb the print.
794: }
795: return $contents;
796:
797:
798: }
799:
800: # Fetch the annotations associated with a URL and
801: # put a centered 'annotations:' title.
802: # This is all suppressed if the annotations are empty.
803: #
804: sub annotate {
805: my ($symb) = @_;
806:
807: my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
808:
809:
810: my $result = "";
811:
812: if (length($annotation_text) > 0) {
813: $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
814: $result .= "\n";
815: $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex.
816: $result .= "\n\n";
817: }
818: return $result;
819: }
820:
821: #
822: # Set a global document font size:
823: # This is done by replacing \begin{document}
824: # with \begin{document}{\some-font-directive
825: # and \end{document} with
826: # }\end{document
827: #
828: sub set_font_size {
829:
830: my ($text) = @_;
831:
832: # There appear to be cases where the font directive is empty.. in which
833: # case the first substituion would insert a spurious \ oh happy day.
834: # as this has been the cause of much mystery and hair pulling _sigh_
835:
836: if ($font_size ne '') {
837:
838: $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
839: }
840: $text =~ s/\\end{document}/}\\end{document}/;
841: return $text;
842:
843:
844: }
845:
846: # include_pdf - PDF files are included into the
847: # output as follows:
848: # - The PDF, if necessary, is replicated.
849: # - The PDF is added to the list of files to convert to postscript (along with the images).
850: # - The LaTeX is added to include the final converted postscript in the file as an included
851: # job. The assumption is that the includedpsheader.ps header will be included.
852: #
853: # Parameters:
854: # pdf_uri - URI of the PDF file to include.
855: #
856: # Returns:
857: # The LaTeX to include.
858: #
859: # Assumptions:
860: # The uri is actually a PDF file
861: # The postscript will have the includepsheader.ps included.
862: #
863: #
864: sub include_pdf {
865: my ($pdf_uri) = @_;
866:
867: # Where is the file? If not local we'll need to repcopy it:'
868:
869: my $file = &Apache::lonnet::filelocation('', $pdf_uri);
870: if (! -e $file) {
871: &Apache::lonnet::repcopy($file);
872: $file = &Apache::lonnet::filelocation('',$pdf_uri);
873: }
874:
875: # The file isn ow replicated locally.. or it did not exist in the first place
876: # (unlikely). If it did exist, add the pdf to the set of files/images that
877: # need tob e converted for this print job:
878:
879: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
880: $file =~ s{(.*)/res/}{$londocroot/res/};
881:
882: open(FILE,">>$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat");
883: print FILE ("$file\n");
884: close (FILE);
885:
886: # Construct the special to put out. To do this we need to get the
887: # resulting filename after conversion. The file will have the same name
888: # but will be in the user's spool directory with converted images.
889:
890: my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
891: my ( $base, $path, $ext) = &fileparse($file, '.pdf');
892: # my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
893: $base =~ s/ /\_/g;
894:
895:
896: my $output = &print_latex_header();
897: $output .= '\special{ps: _begin_job_ ('
898: .$base.'.pdf.eps'.
899: ')run _end_job_}';
900:
901: return $output;
902:
903:
904: }
905: ##
906: # Collect the various \select_language{language_name}
907: # latex tags to build a \usepackage[lang-list]{babel} which will
908: # appear just prior to the \begin{document} at the front of the concatenated
909: # set of resources:
910: # @param doc - The string of latex to search/replace.
911: # @return string
912: # @retval - the modified document stringt.
913: #
914: sub collect_languages {
915: my $doc = shift;
916: my %languages;
917: while ($doc =~ /\\selectlanguage{(\w+)}/mg) {
918: $languages{$1} = 1; # allows us to request each language exactly once.
919: }
920: my @lang_list = (keys(%languages)); # List of unique languages
921: if (scalar @lang_list) {
922: my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n";
923: $doc =~ s/\\begin{document}/$babel_header\\begin{document}/;
924: }
925: return $doc;
926: }
927: #-------------------------------------------------------------------
928:
929: #
930: # ssi_with_retries- Does the server side include of a resource.
931: # if the ssi call returns an error we'll retry it up to
932: # the number of times requested by the caller.
933: # If we still have a proble, no text is appended to the
934: # output and we set some global variables.
935: # to indicate to the caller an SSI error occurred.
936: # All of this is supposed to deal with the issues described
937: # in LonCAPA BZ 5631 see:
938: # http://bugs.lon-capa.org/show_bug.cgi?id=5631
939: # by informing the user that this happened.
940: #
941: # Parameters:
942: # resource - The resource to include. This is passed directly, without
943: # interpretation to lonnet::ssi.
944: # form - The form hash parameters that guide the interpretation of the resource
945: #
946: # retries - Number of retries allowed before giving up completely.
947: # Returns:
948: # On success, returns the rendered resource identified by the resource parameter.
949: # Side Effects:
950: # The following global variables can be set:
951: # ssi_error - If an unrecoverable error occurred this becomes true.
952: # It is up to the caller to initialize this to false
953: # if desired.
954: # ssi_last_error_resource - If an unrecoverable error occurred, this is the value
955: # of the resource that could not be rendered by the ssi
956: # call.
957: # ssi_last_error - The error string fetched from the ssi response
958: # in the event of an error.
959: #
960: sub ssi_with_retries {
961: my ($resource, $retries, %form) = @_;
962:
963: my $target = $form{'grade_target'};
964: my $aom = $form{'answer_output_mode'};
965:
966:
967:
968: my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
969: if (!$response->is_success) {
970: $ssi_error = 1;
971: $ssi_last_error_resource = $resource;
972: $ssi_last_error = $response->code . " " . $response->message;
973: $content='\section*{!!! An error occurred !!!}';
974: }
975:
976: return $content;
977:
978: }
979:
980: sub get_student_view_with_retries {
981: my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
982:
983: my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
984: if (!$response->is_success) {
985: $ssi_error = 1;
986: $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
987: $ssi_last_error = $response->code . " " . $response->message;
988: $content='\section*{!!! An error occurred !!!}';
989: }
990: return $content;
991:
992: }
993:
994: #
995: # printf_style_subst item format_string repl
996: #
997: # Does printf style substitution for a format string that
998: # can have %[n]item in it.. wherever, %[n]item occurs,
999: # rep is substituted in format_string. Note that
1000: # [n] is an optional integer length. If provided,
1001: # repl is truncated to at most [n] characters prior to
1002: # substitution.
1003: #
1004: sub printf_style_subst {
1005: my ($item, $format_string, $repl) = @_;
1006: my $result = "";
1007: while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1008: my $fmt = $1;
1009: my $size = $2;
1010: my $subst = $repl;
1011: if ($size ne "") {
1012: $subst = substr($subst, 0, $size);
1013:
1014: # Here's a nice edge case.. supose the end of the
1015: # substring is a \. In that case may have just
1016: # chopped off a TeX escape... in that case, we append
1017: # " " for the trailing character, and let the field
1018: # spill over a bit (sigh).
1019: # We don't just chop off the last character in order to deal
1020: # with one last pathology, and that would be if substr had
1021: # trimmed us to e.g. \\\
1022:
1023:
1024: if ($subst =~ /\\$/) {
1025: $subst .= " ";
1026: }
1027: }
1028: my $item_pos = pos($format_string);
1029: $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
1030: $format_string = substr($format_string, pos($format_string));
1031: }
1032:
1033: # Put the residual format string into the result:
1034:
1035: $result .= $format_string;
1036:
1037: return $result;
1038: }
1039:
1040:
1041: # Format a header according to a format.
1042: #
1043:
1044: # Substitutions:
1045: # %a - Assignment name.
1046: # %c - Course name.
1047: # %n - Student name.
1048: # %s - The section if it is supplied.
1049: #
1050: sub format_page_header {
1051: my ($width, $format, $assignment, $course, $student, $section) = @_;
1052:
1053:
1054:
1055: $width = &recalcto_mm($width); # Get width in mm.
1056: my $chars_per_line = int($width/1.6); # Character/textline.
1057:
1058: # Default format?
1059:
1060: if ($format eq '') {
1061: # For the default format, we may need to truncate
1062: # elements.. To do this we need to get the page width.
1063: # we assume that each character is about 2mm in width.
1064: # (correct for the header text size??). We ignore
1065: # any formatting (e.g. boldfacing in this).
1066: #
1067: # - Allow the student/course to be one line.
1068: # but only truncate the course.
1069: # - Allow the assignment to be 2 lines (wrapped).
1070: #
1071:
1072:
1073:
1074: my $name_length = int($chars_per_line *3 /4);
1075: my $sec_length = int($chars_per_line / 5);
1076:
1077: $format = "%$name_length".'n';
1078:
1079: if ($section) {
1080: $format .= ' - Sec: '."%$sec_length".'s';
1081: }
1082:
1083: $format .= '\\\\%c \\\\ %a';
1084:
1085:
1086: }
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: $format = &printf_style_subst("s", $format, $section);
1095:
1096:
1097: # If the user put %'s in the format string, they must be escaped
1098: # to \% else LaTeX will think they are comments and terminate
1099: # the line.. which is bad!!!
1100:
1101: # If the user has role author, $course and $assignment are empty so
1102: # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
1103: if($format =~ /\\\\\s\\\\\s/) {
1104: #TODO find sensible caption for page header
1105: my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
1106: $format =~ s/\\\\\s\\\\\s/$testPrintout/;
1107: }
1108: #
1109: # We're going to trust LaTeX to break lines appropriately, but
1110: # we'll truncate anything that's more than 3 lines worth of
1111: # text. This is also assuming (which will probably end badly)
1112: # nobody's going to embed LaTeX control sequences in the title
1113: # header or rather that those control sequences won't get broken
1114: # by the stuff below.
1115: #
1116: my $total_length = 3*$chars_per_line;
1117: if (length($format) > $total_length) {
1118: $format = substr($format, 0, $total_length);
1119: }
1120:
1121:
1122: return $format;
1123:
1124: }
1125:
1126: #
1127: # Convert a numeric code to letters
1128: #
1129: sub num_to_letters {
1130: my ($num) = @_;
1131: my @nums= split('',$num);
1132: my @num_to_let=('A'..'Z');
1133: my $word;
1134: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1135: return $word;
1136: }
1137: # Convert a letter code to numeric.
1138: #
1139: sub letters_to_num {
1140: my ($letters) = @_;
1141: my @letters = split('', uc($letters));
1142: my %substitution;
1143: my $digit = 0;
1144: foreach my $letter ('A'..'J') {
1145: $substitution{$letter} = $digit;
1146: $digit++;
1147: }
1148: # The substitution is done as below to preserve leading
1149: # zeroes which are needed to keep the code size exact
1150: #
1151: my $result ="";
1152: foreach my $letter (@letters) {
1153: $result.=$substitution{$letter};
1154: }
1155: return $result;
1156: }
1157:
1158: # Determine if a code is a valid numeric code. Valid
1159: # numeric codes must be comprised entirely of digits and
1160: # have a correct number of digits.
1161: #
1162: # Parameters:
1163: # value - proposed code value.
1164: # num_digits - Number of digits required.
1165: #
1166: sub is_valid_numeric_code {
1167: my ($value, $num_digits) = @_;
1168: # Remove leading/trailing whitespace;
1169: $value =~ s/^\s*//g;
1170: $value =~ s/\s*$//g;
1171:
1172: # All digits?
1173: if ($value !~ /^[0-9]+$/) {
1174: return "Numeric code $value has invalid characters - must only be digits";
1175: }
1176: if (length($value) != $num_digits) {
1177: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
1178: }
1179: return undef;
1180: }
1181: # Determines if a code is a valid alhpa code. Alpha codes
1182: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
1183: # They also have a correct digit count.
1184: # Parameters:
1185: # value - Proposed code value.
1186: # num_letters - correct number of letters.
1187: # Note:
1188: # leading and trailing whitespace are ignored.
1189: #
1190: sub is_valid_alpha_code {
1191: my ($value, $num_letters) = @_;
1192:
1193: # strip leading and trailing spaces.
1194:
1195: $value =~ s/^\s*//g;
1196: $value =~ s/\s*$//g;
1197:
1198: # All alphas in the right range?
1199: if ($value !~ /^[A-J,a-j]+$/) {
1200: return "Invalid letter code $value must only contain A-J";
1201: }
1202: if (length($value) != $num_letters) {
1203: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
1204: }
1205: return undef;
1206: }
1207:
1208: # Determine if a code entered by the user in a helper is valid.
1209: # valid depends on the code type and the type of code selected.
1210: # The type of code selected can either be numeric or
1211: # Alphabetic. If alphabetic, the code, in fact is a simple
1212: # substitution cipher for the actual numeric code: 0->A, 1->B ...
1213: # We'll be nice and be case insensitive for alpha codes.
1214: # Parameters:
1215: # code_value - the value of the code the user typed in.
1216: # code_option - The code type selected from the set in the scantron format
1217: # table.
1218: # Returns:
1219: # undef - The code is valid.
1220: # other - An error message indicating what's wrong.
1221: #
1222: sub is_code_valid {
1223: my ($code_value, $code_option) = @_;
1224: my ($code_type, $code_length) = ('letter', 6); # defaults.
1225: my @lines = &Apache::grades::get_scantronformat_file();
1226: foreach my $line (@lines) {
1227: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
1228: if($name eq $code_option) {
1229: $code_length = $length;
1230: if($type eq 'number') {
1231: $code_type = 'number';
1232: }
1233: }
1234: }
1235: my $valid;
1236: if ($code_type eq 'number') {
1237: return &is_valid_numeric_code($code_value, $code_length);
1238: } else {
1239: return &is_valid_alpha_code($code_value, $code_length);
1240: }
1241:
1242: }
1243: #
1244: # Compare two students by section (Used to sort by section).
1245: #
1246: # Implicit inputs,
1247: # $a - The first one
1248: # $b - The second one.
1249: #
1250: # Returns:
1251: # a-section cmp b-section
1252: #
1253: sub compare_sections {
1254: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1255: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1256:
1257: return $s1 cmp $s2;
1258: }
1259:
1260: # Compare two students by name. The students are in the form
1261: # returned by the helper:
1262: # user:domain:section:last, first:status
1263: # This is a helper function for the perl sort built-in therefore:
1264: # Implicit Inputs:
1265: # $a - The first element to compare (global)
1266: # $b - The second element to compare (global)
1267: # Returns:
1268: # -1 - $a < $b
1269: # 0 - $a == $b
1270: # +1 - $a > $b
1271: # Note that the initial comparison is done on the last names with the
1272: # first names only used to break the tie.
1273: #
1274: #
1275: sub compare_names {
1276: # First split the names up into the primary fields.
1277:
1278: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1279: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1280:
1281: # Now split the last name and first name of each n:
1282: #
1283:
1284: my ($l1,$f1) = split(/,/, $n1);
1285: my ($l2,$f2) = split(/,/, $n2);
1286:
1287: # We don't bother to remove the leading/trailing whitespace from the
1288: # firstname, unless the last names compare identical.
1289:
1290: if($l1 lt $l2) {
1291: return -1;
1292: }
1293: if($l1 gt $l2) {
1294: return 1;
1295: }
1296:
1297: # Break the tie on the first name, but there are leading (possibly trailing
1298: # whitespaces to get rid of first
1299: #
1300: $f1 =~ s/^\s+//; # Remove leading...
1301: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
1302:
1303: $f2 =~ s/^\s+//;
1304: $f2 =~ s/\s+$//; # And the same for first 2...
1305:
1306: if($f1 lt $f2) {
1307: return -1;
1308: }
1309: if($f1 gt $f2) {
1310: return 1;
1311: }
1312:
1313: # Must be the same name.
1314:
1315: return 0;
1316: }
1317:
1318: sub latex_header_footer_remove {
1319: my $text = shift;
1320: $text =~ s/\\end{document}//;
1321: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
1322: return $text;
1323: }
1324: #
1325: # If necessary, encapsulate text inside
1326: # a minipage env.
1327: # necessity is determined by the problem_split param.
1328: #
1329: sub encapsulate_minipage {
1330: my ($text) = @_;
1331: if (!($env{'form.problem.split'} =~ /yes/i)) {
1332: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
1333: }
1334: return $text;
1335: }
1336: #
1337: # The NUMBER_TO_PRINT and SPLIT_PDFS
1338: # variables interact, this sub looks at these two parameters
1339: # and comes up with a final value for NUMBER_TO_PRINT which can be:
1340: # all - if SPLIT_PDFS eq 'all'.
1341: # 1 - if SPLIT_PDFS eq 'oneper'
1342: # section - if SPLIT_PDFS eq 'sections'
1343: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
1344: #
1345: sub adjust_number_to_print {
1346: my $helper = shift;
1347:
1348: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
1349:
1350: if ($split_pdf eq 'all') {
1351: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
1352: } elsif ($split_pdf eq 'oneper') {
1353: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
1354: } elsif ($split_pdf eq 'sections') {
1355: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
1356: } elsif ($split_pdf eq 'usenumber') {
1357: # Unmodified.
1358: } else {
1359: # Error!!!!
1360:
1361: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1362:
1363: }
1364: }
1365:
1366:
1367: sub character_chart {
1368: my $result = shift;
1369: return &Apache::entities::replace_entities($result);
1370: }
1371:
1372: sub old_character_chart {
1373: my $result = shift;
1374: $result =~ s/&\#0?0?(7|9);//g;
1375: $result =~ s/&\#0?(10|13);//g;
1376: $result =~ s/&\#0?32;/ /g;
1377: $result =~ s/&\#0?33;/!/g;
1378: $result =~ s/&(\#0?34|quot);/\"/g;
1379: $result =~ s/&\#0?35;/\\\#/g;
1380: $result =~ s/&\#0?36;/\\\$/g;
1381: $result =~ s/&\#0?37;/\\%/g;
1382: $result =~ s/&(\#0?38|amp);/\\&/g;
1383: $result =~ s/&\#(0?39|146);/\'/g;
1384: $result =~ s/&\#0?40;/(/g;
1385: $result =~ s/&\#0?41;/)/g;
1386: $result =~ s/&\#0?42;/\*/g;
1387: $result =~ s/&\#0?43;/\+/g;
1388: $result =~ s/&\#(0?44|130);/,/g;
1389: $result =~ s/&\#0?45;/-/g;
1390: $result =~ s/&\#0?46;/\./g;
1391: $result =~ s/&\#0?47;/\//g;
1392: $result =~ s/&\#0?48;/0/g;
1393: $result =~ s/&\#0?49;/1/g;
1394: $result =~ s/&\#0?50;/2/g;
1395: $result =~ s/&\#0?51;/3/g;
1396: $result =~ s/&\#0?52;/4/g;
1397: $result =~ s/&\#0?53;/5/g;
1398: $result =~ s/&\#0?54;/6/g;
1399: $result =~ s/&\#0?55;/7/g;
1400: $result =~ s/&\#0?56;/8/g;
1401: $result =~ s/&\#0?57;/9/g;
1402: $result =~ s/&\#0?58;/:/g;
1403: $result =~ s/&\#0?59;/;/g;
1404: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1405: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
1406: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1407: $result =~ s/&\#0?63;/\?/g;
1408: $result =~ s/&\#0?65;/A/g;
1409: $result =~ s/&\#0?66;/B/g;
1410: $result =~ s/&\#0?67;/C/g;
1411: $result =~ s/&\#0?68;/D/g;
1412: $result =~ s/&\#0?69;/E/g;
1413: $result =~ s/&\#0?70;/F/g;
1414: $result =~ s/&\#0?71;/G/g;
1415: $result =~ s/&\#0?72;/H/g;
1416: $result =~ s/&\#0?73;/I/g;
1417: $result =~ s/&\#0?74;/J/g;
1418: $result =~ s/&\#0?75;/K/g;
1419: $result =~ s/&\#0?76;/L/g;
1420: $result =~ s/&\#0?77;/M/g;
1421: $result =~ s/&\#0?78;/N/g;
1422: $result =~ s/&\#0?79;/O/g;
1423: $result =~ s/&\#0?80;/P/g;
1424: $result =~ s/&\#0?81;/Q/g;
1425: $result =~ s/&\#0?82;/R/g;
1426: $result =~ s/&\#0?83;/S/g;
1427: $result =~ s/&\#0?84;/T/g;
1428: $result =~ s/&\#0?85;/U/g;
1429: $result =~ s/&\#0?86;/V/g;
1430: $result =~ s/&\#0?87;/W/g;
1431: $result =~ s/&\#0?88;/X/g;
1432: $result =~ s/&\#0?89;/Y/g;
1433: $result =~ s/&\#0?90;/Z/g;
1434: $result =~ s/&\#0?91;/[/g;
1435: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1436: $result =~ s/&\#0?93;/]/g;
1437: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1438: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
1439: $result =~ s/&\#(0?96|145);/\`/g;
1440: $result =~ s/&\#0?97;/a/g;
1441: $result =~ s/&\#0?98;/b/g;
1442: $result =~ s/&\#0?99;/c/g;
1443: $result =~ s/&\#100;/d/g;
1444: $result =~ s/&\#101;/e/g;
1445: $result =~ s/&\#102;/f/g;
1446: $result =~ s/&\#103;/g/g;
1447: $result =~ s/&\#104;/h/g;
1448: $result =~ s/&\#105;/i/g;
1449: $result =~ s/&\#106;/j/g;
1450: $result =~ s/&\#107;/k/g;
1451: $result =~ s/&\#108;/l/g;
1452: $result =~ s/&\#109;/m/g;
1453: $result =~ s/&\#110;/n/g;
1454: $result =~ s/&\#111;/o/g;
1455: $result =~ s/&\#112;/p/g;
1456: $result =~ s/&\#113;/q/g;
1457: $result =~ s/&\#114;/r/g;
1458: $result =~ s/&\#115;/s/g;
1459: $result =~ s/&\#116;/t/g;
1460: $result =~ s/&\#117;/u/g;
1461: $result =~ s/&\#118;/v/g;
1462: $result =~ s/&\#119;/w/g;
1463: $result =~ s/&\#120;/x/g;
1464: $result =~ s/&\#121;/y/g;
1465: $result =~ s/&\#122;/z/g;
1466: $result =~ s/&\#123;/\\{/g;
1467: $result =~ s/&\#124;/\|/g;
1468: $result =~ s/&\#125;/\\}/g;
1469: $result =~ s/&\#126;/\~/g;
1470: $result =~ s/&\#131;/\\textflorin /g;
1471: $result =~ s/&\#132;/\"/g;
1472: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
1473: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
1474: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1475: $result =~ s/&\#137;/\\textperthousand /g;
1476: $result =~ s/&\#140;/{\\OE}/g;
1477: $result =~ s/&\#147;/\`\`/g;
1478: $result =~ s/&\#148;/\'\'/g;
1479: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1480: $result =~ s/&(\#150|\#8211);/--/g;
1481: $result =~ s/&\#151;/---/g;
1482: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1483: $result =~ s/&\#153;/\\texttrademark /g;
1484: $result =~ s/&\#156;/\\oe/g;
1485: $result =~ s/&\#159;/\\\"Y/g;
1486: $result =~ s/&(\#160|nbsp);/~/g;
1487: $result =~ s/&(\#161|iexcl);/!\`/g;
1488: $result =~ s/&(\#162|cent);/\\textcent /g;
1489: $result =~ s/&(\#163|pound);/\\pounds /g;
1490: $result =~ s/&(\#164|curren);/\\textcurrency /g;
1491: $result =~ s/&(\#165|yen);/\\textyen /g;
1492: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
1493: $result =~ s/&(\#167|sect);/\\textsection /g;
1494: $result =~ s/&(\#168|uml);/\\"\{\} /g;
1495: $result =~ s/&(\#169|copy);/\\copyright /g;
1496: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1497: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1498: $result =~ s/&(\#173|shy);/ - /g;
1499: $result =~ s/&(\#174|reg);/\\textregistered /g;
1500: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
1501: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
1502: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
1503: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
1504: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1505: $result =~ s/&(\#180|acute);/\\'\{\} /g;
1506: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1507: $result =~ s/&(\#182|para);/\\P/g;
1508: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1509: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1510: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1511: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
1512: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
1513: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
1514: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
1515: $result =~ s/&(\#191|iquest);/?\`/g;
1516: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
1517: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
1518: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
1519: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
1520: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
1521: $result =~ s/&(\#197|Aring);/{\\AA}/g;
1522: $result =~ s/&(\#198|AElig);/{\\AE}/g;
1523: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
1524: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
1525: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
1526: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
1527: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
1528: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
1529: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
1530: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
1531: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
1532: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
1533: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
1534: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
1535: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
1536: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
1537: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
1538: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1539: $result =~ s/&(\#216|Oslash);/{\\O}/g;
1540: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
1541: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
1542: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
1543: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
1544: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1545: $result =~ s/&(\#223|szlig);/{\\ss}/g;
1546: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
1547: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
1548: $result =~ s/&(\#226|acirc);/\\^{a}/g;
1549: $result =~ s/&(\#227|atilde);/\\~{a}/g;
1550: $result =~ s/&(\#228|auml);/\\\"{a}/g;
1551: $result =~ s/&(\#229|aring);/{\\aa}/g;
1552: $result =~ s/&(\#230|aelig);/{\\ae}/g;
1553: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
1554: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
1555: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
1556: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
1557: $result =~ s/&(\#235|euml);/\\\"{e}/g;
1558: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
1559: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
1560: $result =~ s/&(\#238|icirc);/\\^{i}/g;
1561: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1562: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1563: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
1564: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
1565: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
1566: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
1567: $result =~ s/&(\#245|otilde);/\\~{o}/g;
1568: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1569: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1570: $result =~ s/&(\#248|oslash);/{\\o}/g;
1571: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
1572: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
1573: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
1574: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
1575: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
1576: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1577: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1578: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1579: #Greek Alphabet
1580: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
1581: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
1582: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
1583: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
1584: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
1585: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
1586: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
1587: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
1588: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
1589: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
1590: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
1591: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
1592: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
1593: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1594: $result =~ s/&(omicron|\#959);/o/g;
1595: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
1596: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
1597: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
1598: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
1599: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
1600: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
1601: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
1602: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
1603: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
1604: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
1605: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1606: $result =~ s/&(Alpha|\#913);/A/g;
1607: $result =~ s/&(Beta|\#914);/B/g;
1608: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
1609: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1610: $result =~ s/&(Epsilon|\#917);/E/g;
1611: $result =~ s/&(Zeta|\#918);/Z/g;
1612: $result =~ s/&(Eta|\#919);/H/g;
1613: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1614: $result =~ s/&(Iota|\#921);/I/g;
1615: $result =~ s/&(Kappa|\#922);/K/g;
1616: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1617: $result =~ s/&(Mu|\#924);/M/g;
1618: $result =~ s/&(Nu|\#925);/N/g;
1619: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1620: $result =~ s/&(Omicron|\#927);/O/g;
1621: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1622: $result =~ s/&(Rho|\#929);/P/g;
1623: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1624: $result =~ s/&(Tau|\#932);/T/g;
1625: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
1626: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1627: $result =~ s/&(Chi|\#935);/X/g;
1628: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
1629: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1630: #Arrows (extended HTML 4.01)
1631: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
1632: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
1633: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
1634: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
1635: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
1636: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
1637: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
1638: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
1639: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
1640: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1641: #Mathematical Operators (extended HTML 4.01)
1642: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
1643: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
1644: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
1645: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
1646: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
1647: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
1648: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
1649: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
1650: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
1651: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
1652: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1653: $result =~ s/–/\\ensuremath\{-\}/g;
1654: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
1655: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
1656: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
1657: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
1658: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
1659: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
1660: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
1661: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
1662: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
1663: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
1664: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
1665: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
1666: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
1667: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
1668: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
1669: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
1670: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
1671: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
1672: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
1673: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
1674: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
1675: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
1676: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
1677: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
1678: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
1679: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1680: #Geometric Shapes (extended HTML 4.01)
1681: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1682: #Miscellaneous Symbols (extended HTML 4.01)
1683: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
1684: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
1685: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
1686: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1687: # Chemically useful 'things' contributed by Hon Kie (bug 4652).
1688:
1689: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
1690: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
1691: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
1692: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
1693: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
1694: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
1695: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
1696: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
1697: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
1698: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
1699: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
1700: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
1701: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1702:
1703: # Left/right quotations:
1704:
1705: $result =~ s/&(ldquo|#8220);/\`\`/g;
1706: $result =~ s/&(rdquo|#8221);/\'\'/g;
1707:
1708:
1709:
1710: return $result;
1711: }
1712:
1713:
1714: #width, height, oddsidemargin, evensidemargin, topmargin
1715: my %page_formats=
1716: ('letter' => {
1717: 'book' => {
1718: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
1719: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1720: },
1721: 'album' => {
1722: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'],
1723: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1724: },
1725: },
1726: 'legal' => {
1727: 'book' => {
1728: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1729: '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1730: },
1731: 'album' => {
1732: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
1733: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1734: },
1735: },
1736: 'tabloid' => {
1737: 'book' => {
1738: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
1739: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
1740: },
1741: 'album' => {
1742: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
1743: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1744: },
1745: },
1746: 'executive' => {
1747: 'book' => {
1748: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
1749: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
1750: },
1751: 'album' => {
1752: '1' => [],
1753: '2' => []
1754: },
1755: },
1756: 'a2' => {
1757: 'book' => {
1758: '1' => [],
1759: '2' => []
1760: },
1761: 'album' => {
1762: '1' => [],
1763: '2' => []
1764: },
1765: },
1766: 'a3' => {
1767: 'book' => {
1768: '1' => [],
1769: '2' => []
1770: },
1771: 'album' => {
1772: '1' => [],
1773: '2' => []
1774: },
1775: },
1776: 'a4' => {
1777: 'book' => {
1778: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1779: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1780: },
1781: 'album' => {
1782: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1783: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1784: },
1785: },
1786: 'a5' => {
1787: 'book' => {
1788: '1' => [],
1789: '2' => []
1790: },
1791: 'album' => {
1792: '1' => [],
1793: '2' => []
1794: },
1795: },
1796: 'a6' => {
1797: 'book' => {
1798: '1' => [],
1799: '2' => []
1800: },
1801: 'album' => {
1802: '1' => [],
1803: '2' => []
1804: },
1805: },
1806: );
1807:
1808: sub page_format {
1809: #
1810: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1811: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1812: # "A2 [420x594 mm]", "A3 [297x420 mm]",
1813: # "A4 [210x297 mm]", "A5 [148x210 mm]",
1814: # "A6 [105x148 mm]"
1815: #
1816: my ($papersize,$layout,$numberofcolumns) = @_;
1817: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1818: }
1819:
1820:
1821: sub get_name {
1822: my ($uname,$udom)=@_;
1823: if (!defined($uname)) { $uname=$env{'user.name'}; }
1824: if (!defined($udom)) { $udom=$env{'user.domain'}; }
1825: my $plainname=&Apache::loncommon::plainname($uname,$udom);
1826: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1827: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1828: return $plainname;
1829: }
1830:
1831: sub get_course {
1832: my $courseidinfo;
1833: if (defined($env{'request.course.id'})) {
1834: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1835: my $sec = $env{'request.course.sec'};
1836:
1837: }
1838: return $courseidinfo;
1839: }
1840:
1841: sub page_format_transformation {
1842: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
1843: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1844:
1845: if ($selectionmade eq '4') {
1846: if ($choice eq 'all_problems') {
1847: $assignment=&mt('Problems from the Whole Course');
1848: } else {
1849: $assignment=&mt('Resources from the Whole Course');
1850: }
1851: } else {
1852: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
1853: }
1854: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1855:
1856:
1857: my $name = &get_name();
1858: my $courseidinfo = &get_course();
1859: my $header_text = $parmhash{'print_header_format'};
1860: $header_text = &format_page_header($textwidth, $header_text, $assignment,
1861: $courseidinfo, $name);
1862: my $topmargintoinsert = '';
1863: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1864: my $fancypagestatement='';
1865: if ($numberofcolumns eq '2') {
1866: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1867: } else {
1868: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1869: }
1870: if ($layout eq 'album') {
1871: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1872: } elsif ($layout eq 'book') {
1873: if ($choice ne 'All class print') {
1874: $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/;
1875: } else {
1876: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
1877: }
1878: if ($papersize eq 'a4') {
1879: my $papersize_text;
1880: if ($perm{'pav'}) {
1881: $papersize_text = '\\special{papersize=210mm,297mm}';
1882: } else {
1883: $papersize_text = '\special{papersize=210mm,297mm}';
1884: }
1885: $text =~ s/(\\begin{document})/$1$papersize_text/;
1886: }
1887: }
1888: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
1889: if ($indexlist eq 'yes') {
1890: $text=~s/(\\begin{document})/\\makeindex $1/;
1891: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
1892: }
1893: return $text;
1894: }
1895:
1896:
1897: sub page_cleanup {
1898: my $result = shift;
1899:
1900: $result =~ m/\\end{document}(\d*)$/;
1901: my $number_of_columns = $1;
1902: my $insert = '{';
1903: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1904: $insert .= '}';
1905: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1906: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
1907: return $result,$number_of_columns;
1908: }
1909:
1910:
1911: sub details_for_menu {
1912: my ($helper)=@_;
1913: my $postdata=$env{'form.postdata'};
1914: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
1915: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
1916: my $symbolic = &Apache::lonnet::symbread($postdata);
1917: return if ( $symbolic eq '');
1918:
1919: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1920: $map=&Apache::lonnet::clutter($map);
1921: my $name_of_sequence = &Apache::lonnet::gettitle($map);
1922: if ($name_of_sequence =~ /^\s*$/) {
1923: $map =~ m|([^/]+)$|;
1924: $name_of_sequence = $1;
1925: }
1926: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1927: if ($name_of_map =~ /^\s*$/) {
1928: $env{'request.course.uri'} =~ m|([^/]+)$|;
1929: $name_of_map = $1;
1930: }
1931: return ($name_of_resource,$name_of_sequence,$name_of_map);
1932: }
1933:
1934: sub copyright_line {
1935: 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 } ';
1936: }
1937: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1938:
1939: sub latex_corrections {
1940: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1941: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1942: my $copyright = ©right_line();
1943: if ($selectionmade eq '1' || $answer_mode eq 'only') {
1944: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1945: } else {
1946: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1947: }
1948: $result =~ s/\$number_of_columns/$number_of_columns/g;
1949: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
1950: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1951: #-- LaTeX corrections
1952: my $first_comment = index($result,'<!--',0);
1953: while ($first_comment != -1) {
1954: my $end_comment = index($result,'-->',$first_comment);
1955: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
1956: $first_comment = index($result,'<!--',$first_comment);
1957: }
1958: $result =~ s/^\s+$//gm; #remove empty lines
1959: #removes more than one empty space
1960: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1961: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
1962: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
1963: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1964: $result =~ s/\\\\\s+\[/ \[/g;
1965: #conversion of html characters to LaTeX equivalents
1966: if ($result =~ m/&(\w+|#\d+);/) {
1967: $result = &character_chart($result);
1968: }
1969: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
1970: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
1971: return $result;
1972: }
1973:
1974:
1975: sub index_table {
1976: my $currentURL = shift;
1977: my $insex_string='';
1978: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
1979: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
1980: return $insex_string;
1981: }
1982:
1983:
1984: sub IndexCreation {
1985: my ($texversion,$currentURL)=@_;
1986: my @key_words=split(/,/,&index_table($currentURL));
1987: my $chunk='';
1988: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
1989: if ($st>0) {
1990: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
1991: $chunk=substr($texversion,0,$st+1);
1992: substr($texversion,0,$st+1)=' ';
1993: }
1994: foreach my $key_word (@key_words) {
1995: if ($key_word=~/\S+/) {
1996: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
1997: }
1998: }
1999: if ($st>0) {substr($texversion,0,1)=$chunk;}
2000: return $texversion;
2001: }
2002:
2003: sub print_latex_header {
2004: my $mode=shift;
2005:
2006: return &Apache::londefdef::latex_header($mode);
2007: }
2008:
2009: sub path_to_problem {
2010: my ($urlp,$colwidth)=@_;
2011: $urlp=&Apache::lonnet::clutter($urlp);
2012:
2013: my $newurlp = '';
2014: $colwidth=~s/\s*mm\s*$//;
2015: #characters average about 2 mm in width
2016: if (length($urlp)*2 > $colwidth) {
2017: my @elements = split('/',$urlp);
2018: my $curlength=0;
2019: foreach my $element (@elements) {
2020: if ($element eq '') { next; }
2021: if ($curlength+(length($element)*2) > $colwidth) {
2022: $newurlp .= '|\vskip -1 mm \verb|';
2023: $curlength=length($element)*2;
2024: } else {
2025: $curlength+=length($element)*2;
2026: }
2027: $newurlp.='/'.$element;
2028: }
2029: } else {
2030: $newurlp=$urlp;
2031: }
2032: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
2033: }
2034:
2035: sub recalcto_mm {
2036: my $textwidth=shift;
2037: my $LaTeXwidth;
2038: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
2039: $LaTeXwidth = $1*10;
2040: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
2041: $LaTeXwidth = $1;
2042: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
2043: $LaTeXwidth = $1*25.4;
2044: }
2045: $LaTeXwidth.=' mm';
2046: return $LaTeXwidth;
2047: }
2048:
2049: sub get_textwidth {
2050: my ($helper,$LaTeXwidth)=@_;
2051: my $textwidth=$LaTeXwidth;
2052: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
2053: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
2054: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
2055: $helper->{'VARS'}->{'pagesize.widthunit'});
2056: }
2057: return $textwidth;
2058: }
2059:
2060:
2061: sub unsupported {
2062: my ($currentURL,$mode,$symb)=@_;
2063: if ($mode ne '') {$mode='\\'.$mode}
2064: my $result.= &print_latex_header($mode);
2065: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
2066: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
2067: $currentURL=~s|^http://https://|https://|;
2068: my $title=&Apache::lonnet::gettitle($symb);
2069: $title = &Apache::lonxml::latex_special_symbols($title);
2070: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
2071: } else {
2072: $result.=$currentURL;
2073: }
2074: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2075: return $result;
2076: }
2077:
2078: #
2079: # Map from helper layout style to the book/album:
2080: #
2081: sub map_laystyle {
2082: my ($laystyle) = @_;
2083: if ($laystyle eq 'L') {
2084: $laystyle='album';
2085: } else {
2086: $laystyle='book';
2087: }
2088: return $laystyle;
2089: }
2090:
2091: sub print_page_in_course {
2092: my ($helper, $rparmhash, $currentURL, $resources) = @_;
2093:
2094: my %parmhash = %$rparmhash;
2095: my @page_resources = @$resources;
2096: my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
2097: my $symb = $helper->{'VARS'}->{'symb'};
2098:
2099:
2100: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2101:
2102:
2103: my @temporary_array=split /\|/,$format_from_helper;
2104: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2105: $laystyle = &map_laystyle($laystyle);
2106: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
2107: $numberofcolumns);
2108: my $LaTeXwidth=&recalcto_mm($textwidth);
2109:
2110:
2111: if ($mode ne '') {$mode='\\'.$mode}
2112: my $result = &print_latex_header($mode);
2113: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
2114: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
2115: my $title=&Apache::lonnet::gettitle($symb);
2116: $title = &Apache::lonxml::latex_special_symbols($title);
2117: } else {
2118: my $esc_currentURL= $currentURL;
2119: $esc_currentURL =~ s/_/\\_/g;
2120: $result.=$esc_currentURL;
2121: }
2122: $result .= '\\\\';
2123:
2124: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2125: &Apache::lonnet::appenv({'construct.style' =>
2126: $helper->{'VARS'}->{'style_file'}});
2127: } elsif ($env{'construct.style'}) {
2128: &Apache::lonnet::delenv('construct.style');
2129: }
2130:
2131: # First is the overall page description. This is then followed by the
2132: # components of the page. Each of which must be printed independently.
2133: my $the_page = shift(@page_resources);
2134:
2135:
2136: foreach my $resource (@page_resources) {
2137: my $resource_src = $resource->src(); # Essentially the URL of the resource.
2138: $result .= $resource->title() . '\\\\';
2139:
2140: # Recurse if a .page:
2141:
2142: if ($resource_src =~ /.page$/i) {
2143: my $navmap = Apache::lonnavmaps::navmap->new();
2144: my @page_resources = $navmap->retrieveResources($resource_src);
2145: $result .= &print_page_in_course($helper, $rparmhash,
2146: $resource_src, \@page_resources);
2147: } elsif ($resource->ext()) {
2148: $result .= &unsupported($currentURL,$mode,$symb);
2149: }
2150: # these resources go through the XML transformer:
2151:
2152: elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2153:
2154: my $urlp = &Apache::lonnet::clutter($resource_src);
2155:
2156: my %form;
2157: my %moreenv;
2158:
2159: &Apache::lonxml::remember_problem_counter();
2160: $moreenv{'request.filename'}=$urlp;
2161: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2162:
2163: $form{'grade_target'} = 'tex';
2164: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2165: $form{'pdfFormFields'} = $pdfFormFields; #
2166: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2167:
2168: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2169: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2170: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2171: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2172: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2173: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2174: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2175: $form{'problem_split'}='yes';
2176: }
2177: my $rndseed = time;
2178: if ($helper->{'VARS'}->{'curseed'}) {
2179: $rndseed=$helper->{'VARS'}->{'curseed'};
2180: }
2181: $form{'rndseed'}=$rndseed;
2182: &Apache::lonnet::appenv(\%moreenv);
2183:
2184: &Apache::lonxml::clear_problem_counter();
2185:
2186: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
2187:
2188:
2189: # current document with answers.. no need to encap in minipage
2190: # since there's only one answer.
2191:
2192: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2193: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2194: my %answerform = %form;
2195:
2196:
2197: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2198: $answerform{'grade_target'}='answer';
2199: $answerform{'answer_output_mode'}='tex';
2200: $answerform{'rndseed'}=$rndseed;
2201: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2202: $answerform{'problemtype'}='exam';
2203: }
2204: $resources_printed .= $urlp.':';
2205: my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
2206:
2207: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2208: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2209: } else {
2210: $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2211: if ($helper->{'VARS'}->{'construction'} ne '1') {
2212: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2213: $title = &Apache::lonxml::latex_special_symbols($title);
2214: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2215: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2216: } else {
2217: $texversion.='\vskip 0 mm \noindent\textbf{'.
2218: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
2219: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2220: }
2221: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2222: }
2223:
2224:
2225:
2226:
2227:
2228: }
2229: # Print annotations.
2230:
2231:
2232: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2233: my $annotation .= &annotate($currentURL);
2234: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
2235: }
2236:
2237: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2238: $texversion=&IndexCreation($texversion,$currentURL);
2239: }
2240: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2241: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2242:
2243: }
2244: $texversion = &latex_header_footer_remove($texversion);
2245:
2246: # the first remaining line is a comment from londefdef the second
2247: # line seems to be an extraneous \vskip 1mm \\\\ :
2248: # (imperfect removal from header_footer_remove?
2249:
2250: $texversion =~ s/\\vskip 1mm \\\\\\\\//;
2251:
2252: $result .= $texversion;
2253: if ($currentURL=~m/\.page\s*$/) {
2254: ($result,$numberofcolumns) = &page_cleanup($result);
2255: }
2256: }
2257: }
2258:
2259: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2260: return $result;
2261: }
2262:
2263:
2264: #
2265: # List of recently generated print files
2266: #
2267: sub recently_generated {
2268: my ($prtspool) = @_;
2269: my $output;
2270: my $zip_result;
2271: my $pdf_result;
2272: opendir(DIR,$prtspool);
2273:
2274: my @files =
2275: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
2276: closedir(DIR);
2277:
2278: @files = sort {
2279: my ($actime) = (stat($prtspool.'/'.$a))[10];
2280: my ($bctime) = (stat($prtspool.'/'.$b))[10];
2281: return $bctime <=> $actime;
2282: } (@files);
2283:
2284: foreach my $filename (@files) {
2285: my ($ext) = ($filename =~ m/(pdf|zip)$/);
2286: my ($cdev,$cino,$cmode,$cnlink,
2287: $cuid,$cgid,$crdev,$csize,
2288: $catime,$cmtime,$cctime,
2289: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
2290: my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
2291: my $result=&Apache::loncommon::start_data_table_row()
2292: .'<td>'
2293: .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
2294: .'</td>'
2295: .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
2296: .'<td align="right">'.$csize.'</td>'
2297: .&Apache::loncommon::end_data_table_row();
2298: if ($ext eq 'pdf') { $pdf_result .= $result; }
2299: if ($ext eq 'zip') { $zip_result .= $result; }
2300: }
2301: if ($zip_result || $pdf_result) {
2302: $output ='<hr />';
2303: }
2304: if ($zip_result) {
2305: $output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
2306: .&Apache::loncommon::start_data_table()
2307: .&Apache::loncommon::start_data_table_header_row()
2308: .'<th>'.&mt('Download').'</th>'
2309: .'<th>'.&mt('Creation Date').'</th>'
2310: .'<th>'.&mt('File Size (Bytes)').'</th>'
2311: .&Apache::loncommon::end_data_table_header_row()
2312: .$zip_result
2313: .&Apache::loncommon::end_data_table();
2314: }
2315: if ($pdf_result) {
2316: $output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
2317: .&Apache::loncommon::start_data_table()
2318: .&Apache::loncommon::start_data_table_header_row()
2319: .'<th>'.&mt('Download').'</th>'
2320: .'<th>'.&mt('Creation Date').'</th>'
2321: .'<th>'.&mt('File Size (Bytes)').'</th>'
2322: .&Apache::loncommon::end_data_table_header_row()
2323: .$pdf_result
2324: .&Apache::loncommon::end_data_table();
2325: }
2326: return $output;
2327: }
2328:
2329: #
2330: # Retrieve the hash of page breaks.
2331: #
2332: # Inputs:
2333: # helper - reference to helper object.
2334: # Outputs
2335: # A reference to a page break hash.
2336: #
2337: #
2338: # use Data::Dumper;
2339: # sub dump_helper_vars {
2340: # my ($helper) = @_;
2341: # my $helpervars = Dumper($helper->{'VARS'});
2342: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
2343: #}
2344:
2345: sub get_page_breaks {
2346: my ($helper) = @_;
2347: my %page_breaks;
2348:
2349: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
2350: $page_breaks{$break} = 1;
2351: }
2352: return %page_breaks;
2353: }
2354: #
2355: # Returns text to insert for any extra vskip prior to the resource.
2356: # Parameters:
2357: # helper - Reference to the helper object driving the printout.
2358: # resource - Identifies the resource about to be printed.
2359: #
2360: # This is done as follows:
2361: # POSSIBLE_RESOURCES has the list of possible resources.
2362: # EXTRASPACE has the list of extra space values.
2363: # EXTRASPACE_UNITS is the set of resources for which the units are
2364: # mm. All others are 'in'.
2365: #
2366: # The resource is found in the POSSIBLE_RESOURCES to get the index
2367: # of the EXTRASPACE value.
2368: #
2369: # In order to speed this up for lengthy printouts, the first time,
2370: # POSSIBLE_RESOURCES is turned into a look up hash and
2371: # EXTRASPACE is turned into an array.
2372: #
2373:
2374:
2375: my %possible_resources;
2376: my %extraspace_mm;
2377: my @extraspace;
2378: my $skips_loaded = 0;
2379:
2380: # Function to load the skips hash and array
2381:
2382: sub load_skips {
2383:
2384: my ($helper) = @_;
2385:
2386: # If this is the first time, unrap the resources and extra spaces:
2387:
2388: if (!$skips_loaded) {
2389: @extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
2390: my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
2391: my $i = 0;
2392: foreach my $resource (@resource_list) {
2393: $possible_resources{$resource} = $i;
2394: $i++;
2395: }
2396: foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
2397: $extraspace_mm{$mm_resource} = 1;
2398: }
2399: $skips_loaded = 1;
2400: }
2401: }
2402:
2403: sub get_extra_vspaces {
2404: my ($helper, $resource) = @_;
2405:
2406: &load_skips($helper);
2407:
2408: # Lookup the resource in the possible resources hash.. that is the index
2409: # into the extraspace array that gives us either an empty string or
2410: # the number of mm to skip:
2411:
2412: my $index = $possible_resources{$resource};
2413: my $skip = $extraspace[$index];
2414:
2415: my $result = '';
2416: if ($skip ne '') {
2417: my $units = 'in';
2418: if (defined($extraspace_mm{$resource})) {
2419: $units = 'mm';
2420: }
2421: $result = '\vskip '.$skip.' '.$units;
2422: }
2423:
2424:
2425: return $result;
2426:
2427:
2428: }
2429:
2430: #
2431: # The resource chooser part of the helper needs more than just
2432: # the value of the extraspaces var to recover the value into a text
2433: # field option. This sub produces the required format for the saved var:
2434: # specifically
2435: # ||| separated fields of the form resourcename=value
2436: #
2437: # Parameters:
2438: # $helper - Refers to the helper we are configuring
2439: # Implicit input:
2440: # $helper->{'VARS'}->{'EXTRASPACE'} - the spaces helper var has the text field
2441: # value.
2442: # $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
2443: # $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} - has the list of resources. |||
2444: # separated of course.
2445: # Implicit outputs:
2446: # $env{'form.extraspace'}
2447: # $env{'form.extraspace_units'}
2448: #
2449: sub set_form_extraspace {
2450: my ($helper) = @_;
2451:
2452: # the most convenient way to do this is to drive from the skips arrays/hash.
2453: # may not be the fastest, but this is once per print request so it's not so
2454: # speed critical:
2455:
2456: &load_skips($helper);
2457:
2458: my $result = '';
2459:
2460: foreach my $resource (keys(%possible_resources)) {
2461: my $vskip = $extraspace[$possible_resources{$resource}];
2462: $result .= $resource .'=' . $vskip . '|||';
2463: }
2464:
2465: $env{'form.extraspace'} = $result;
2466: $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
2467: return $result;
2468:
2469: }
2470:
2471: # Output a sequence (recursively if neeed)
2472: # from construction space.
2473: # Parameters:
2474: # url = URL of the sequence to print.
2475: # helper - Reference to the helper hash.
2476: # form - Copy of the format hash.
2477: # LaTeXWidth
2478: # Returns:
2479: # Text to add to the printout.
2480: # NOTE if the first element of the outermost sequence
2481: # is itself a sequence, the outermost caller may need to
2482: # prefix the latex with the page headers stuff.
2483: #
2484: sub print_construction_sequence {
2485: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
2486:
2487: my $result;
2488: my $rndseed=time;
2489: if ($helper->{'VARS'}->{'curseed'}) {
2490: $rndseed=$helper->{'VARS'}->{'curseed'};
2491: }
2492: my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL));
2493:
2494: #
2495: # These make this all support recursing for subsequences.
2496: #
2497: my @order = @LONCAPA::map::order;
2498: my @resources = @LONCAPA::map::resources;
2499:
2500: for (my $member=0;$member<=$#order;$member++) {
2501: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
2502: my $urlp=$2;
2503: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2504: my $texversion='';
2505: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2506: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2507: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2508: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2509: $form{'rndseed'}=$rndseed;
2510: $resources_printed .=$urlp.':';
2511: $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2512: }
2513: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2514: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
2515: ($urlp=~/$LONCAPA::assess_page_re/)) {
2516: # Don't permanently modify %$form...
2517: my %answerform = %form;
2518: $answerform{'grade_target'}='answer';
2519: $answerform{'answer_output_mode'}='tex';
2520: $answerform{'rndseed'}=$rndseed;
2521: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2522: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
2523: $resources_printed .= $urlp.':';
2524: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2525: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2526: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2527: } else {
2528: # If necessary, encapsulate answer in minipage:
2529:
2530: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2531: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2532: $title = &Apache::lonxml::latex_special_symbols($title);
2533: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2534: $body.=&path_to_problem($urlp,$LaTeXwidth);
2535: $body.='\vskip 1 mm '.$answer.'\end{document}';
2536: $body = &encapsulate_minipage($body);
2537: $texversion.=$body;
2538: }
2539: }
2540: $texversion = &latex_header_footer_remove($texversion);
2541:
2542: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2543: $texversion=&IndexCreation($texversion,$urlp);
2544: }
2545: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2546: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
2547: }
2548: $result.=$texversion;
2549:
2550: } elsif ($urlp=~/\.(sequence|page)$/) {
2551:
2552: # header:
2553:
2554: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
2555:
2556: # IF sequence, recurse:
2557:
2558: if ($urlp =~ /\.sequence$/) {
2559: $result .= &print_construction_sequence($urlp,
2560: $helper, %form,
2561: $LaTeXwidth);
2562: }
2563: }
2564: elsif ($urlp =~ /\.pdf$/i) {
2565: my $texversion;
2566: if ($member != 0) {
2567: $texversion .= '\cleardoublepage';
2568: }
2569:
2570: $texversion .= &include_pdf($urlp);
2571: $texversion = &latex_header_footer_remove($texversion);
2572: if ($member != $#order) {
2573: $texversion .= '\\ \cleardoublepage';
2574: }
2575:
2576: $result .= $texversion;
2577: }
2578: }
2579: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
2580: return $result;
2581: }
2582:
2583: #
2584: # Top level for generating print output.
2585: #
2586: # May call print_resources if multiple resources will be printed.
2587: #
2588: # The main driver is $selectionmade which reflects the type of print out
2589: # requested:
2590: # Value Print type:
2591: # 1 Print resource that's being looked at.
2592: # 2 Print problems in a map or in a page.
2593: # 3 Print pages in a map or resources in a page.
2594: # 4 Print all problems or all resources.
2595: # 5 Print problems for seleted students.
2596: # 6 Print selected problems from a folder.
2597: # 7 Print print selected resources from some scope.
2598: # 8 Print resources for selected students.
2599: #
2600: #BZ 5209
2601: # 2 map_incomplete_problems_seq Print incomplete problems from the current
2602: # folder in student context.
2603: # 5 map_incomplete_problems_people_seq Print incomplete problems from the
2604: # current folder in privileged context.
2605: # 5 incomplete_problems_selpeople_course Print incomplete problems for
2606: # selected people from the entire course.
2607: #
2608: # Item 101 has much the same processing as 8,
2609: #
2610: # Differences: Item 101, 102 require per-student filtering of the resource
2611: # set so that only the incomplete resources are printed.
2612: # For item 100, filtering was done at the helper level.
2613:
2614: sub output_data {
2615:
2616: my ($r,$helper,$rparmhash) = @_;
2617: my %parmhash = %$rparmhash;
2618: $ssi_error = 0; # This will be set nonzero by failing ssi's.
2619: $resources_printed = '';
2620: $font_size = $helper->{'VARS'}->{'fontsize'};
2621: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
2622: my $do_postprocessing = 1;
2623: my $js = <<ENDPART;
2624: <script type="text/javascript">
2625: var editbrowser;
2626: function openbrowser(formname,elementname,only,omit) {
2627: var url = '/res/?';
2628: if (editbrowser == null) {
2629: url += 'launch=1&';
2630: }
2631: url += 'catalogmode=interactive&';
2632: url += 'mode=parmset&';
2633: url += 'form=' + formname + '&';
2634: if (only != null) {
2635: url += 'only=' + only + '&';
2636: }
2637: if (omit != null) {
2638: url += 'omit=' + omit + '&';
2639: }
2640: url += 'element=' + elementname + '';
2641: var title = 'Browser';
2642: var options = 'scrollbars=1,resizable=1,menubar=0';
2643: options += ',width=700,height=600';
2644: editbrowser = open(url,title,options,'1');
2645: editbrowser.focus();
2646: }
2647: </script>
2648: ENDPART
2649:
2650:
2651: # Breadcrumbs
2652: #FIXME: Choose better/different breadcrumbs?!? Links?
2653: my $brcrum = [{'href' => '',
2654: 'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
2655: {'href' => '',
2656: 'text' => 'Preparing Printout'}];
2657:
2658: my $start_page = &Apache::loncommon::start_page('Preparing Printout',
2659: $js,
2660: {'bread_crumbs' => $brcrum,});
2661: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
2662:
2663: $r->print($start_page."\n<p>\n$msg\n</p>\n");
2664:
2665: # fetch the pagebreaks and store them in the course environment
2666: # The page breaks will be pulled into the hash %page_breaks which is
2667: # indexed by symb and contains 1's for each break.
2668:
2669: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
2670: &set_form_extraspace($helper);
2671: $env{'form.lastprinttype'} = $print_type;
2672: &Apache::loncommon::store_course_settings('print',
2673: {'pagebreaks' => 'scalar',
2674: 'extraspace' => 'scalar',
2675: 'extraspace_units' => 'scalar',
2676: 'lastprinttype' => 'scalar'});
2677: my %page_breaks = &get_page_breaks($helper);
2678:
2679: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2680: my ($result,$selectionmade) = ('','');
2681: my $number_of_columns = 1; #used only for pages to determine the width of the cell
2682: my @temporary_array=split /\|/,$format_from_helper;
2683: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2684:
2685: $laystyle = &map_laystyle($laystyle);
2686: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
2687: my $assignment = $env{'form.assignment'};
2688: my $LaTeXwidth=&recalcto_mm($textwidth);
2689: my @print_array=();
2690: my @student_names=();
2691:
2692:
2693: # Common settings for the %form has:
2694: # In some cases these settings get overriddent by specific cases, but the
2695: # settings are common enough to make it worthwhile factoring them out
2696: # here.
2697: #
2698: my %form;
2699: $form{'grade_target'} = 'tex';
2700: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2701: $form{'pdfFormFields'} = $pdfFormFields;
2702:
2703: # If form.showallfoils is set, then request all foils be shown:
2704: # privilege will be enforced both by not allowing the
2705: # check box selecting this option to be presnt unless it's ok,
2706: # and by lonresponse's priv. check.
2707: # The if is here because lonresponse.pm only cares that
2708: # showallfoils is defined, not what the value is.
2709:
2710: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
2711: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2712: }
2713:
2714: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2715: &Apache::lonnet::appenv({'construct.style' =>
2716: $helper->{'VARS'}->{'style_file'}});
2717: } elsif ($env{'construct.style'}) {
2718: &Apache::lonnet::delenv('construct.style');
2719: }
2720:
2721: if ($print_type eq 'current_document') {
2722: #-- single document - problem, page, html, xml, ...
2723: my ($currentURL,$cleanURL);
2724:
2725: if ($helper->{'VARS'}->{'construction'} ne '1') {
2726: #prints published resource
2727: $currentURL=$helper->{'VARS'}->{'postdata'};
2728: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
2729: } else {
2730:
2731: #prints resource from the construction space
2732: $currentURL=$helper->{'VARS'}->{'filename'};
2733: $cleanURL=$currentURL;
2734: }
2735: $selectionmade = 1;
2736:
2737: if ($cleanURL!~m|^/adm/|
2738: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2739: my $rndseed=time;
2740: my $texversion='';
2741: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2742: my %moreenv;
2743: $moreenv{'request.filename'}=$cleanURL;
2744: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2745: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2746: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2747: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2748: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2749: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2750: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2751: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2752: $form{'problem_split'}='yes';
2753: }
2754: if ($helper->{'VARS'}->{'curseed'}) {
2755: $rndseed=$helper->{'VARS'}->{'curseed'};
2756: }
2757: $form{'rndseed'}=$rndseed;
2758: &Apache::lonnet::appenv(\%moreenv);
2759:
2760: &Apache::lonxml::clear_problem_counter();
2761:
2762: $resources_printed .= $currentURL.':';
2763: $texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2764:
2765: # Add annotations if required:
2766:
2767: &Apache::lonxml::clear_problem_counter();
2768:
2769: &Apache::lonnet::delenv('request.filename');
2770: }
2771: # current document with answers.. no need to encap in minipage
2772: # since there's only one answer.
2773:
2774: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2775: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2776:
2777: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2778: $form{'grade_target'}='answer';
2779: $form{'answer_output_mode'}='tex';
2780: $form{'rndseed'}=$rndseed;
2781: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2782: $form{'problemtype'}='exam';
2783: }
2784: $resources_printed .= $currentURL.':';
2785: my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2786:
2787:
2788: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2789: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2790: } else {
2791: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2792: if ($helper->{'VARS'}->{'construction'} ne '1') {
2793: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2794: $title = &Apache::lonxml::latex_special_symbols($title);
2795: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2796: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2797: } else {
2798: $texversion.='\vskip 0 mm \noindent\textbf{'.
2799: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
2800:
2801: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2802: }
2803: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2804: }
2805:
2806:
2807:
2808:
2809:
2810: }
2811: # Print annotations.
2812:
2813:
2814: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2815: my $annotation .= &annotate($currentURL);
2816: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
2817: }
2818:
2819:
2820: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2821: $texversion=&IndexCreation($texversion,$currentURL);
2822: }
2823: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2824: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2825:
2826: }
2827: $result .= $texversion;
2828: if ($currentURL=~m/\.page\s*$/) {
2829: ($result,$number_of_columns) = &page_cleanup($result);
2830: }
2831: } elsif ($cleanURL!~m|^/adm/|
2832: && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
2833: $result .= &print_construction_sequence($currentURL, $helper, %form,
2834: $LaTeXwidth);
2835: $result .= '\end{document}';
2836: if (!($result =~ /\\begin\{document\}/)) {
2837: $result = &print_latex_header() . $result;
2838: }
2839: # End construction space sequence.
2840: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
2841: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2842: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
2843: $resources_printed .= $currentURL.':';
2844: my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
2845: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2846: my $annotation = &annotate($currentURL);
2847: $texversion =~ s/(\\end{document})/$annotation$1/;
2848: }
2849: $result .= $texversion;
2850: } elsif ($cleanURL =~/\.tex$/) {
2851: # For this sort of print of a single LaTeX file,
2852: # We can just print the LaTeX file as it is uninterpreted in any way:
2853: #
2854:
2855: $result = &fetch_raw_resource($currentURL);
2856: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2857: my $annotation = &annotate($currentURL);
2858: $result =~ s/(\\end{document})/$annotation$1/;
2859: }
2860:
2861: $do_postprocessing = 0; # Don't massage the result.
2862:
2863: } elsif ($cleanURL =~ /\.pdf$/i) {
2864: $result .= &include_pdf($cleanURL);
2865: $result .= '\end{document}';
2866: } elsif ($cleanURL =~ /\.page$/i) { # Print page in non construction space contexts.
2867:
2868: # Determine the set of resources in the map of the page:
2869:
2870: my $navmap = Apache::lonnavmaps::navmap->new();
2871: my @page_resources = $navmap->retrieveResources($cleanURL);
2872: $result .= &print_page_in_course($helper, $rparmhash,
2873: $cleanURL, \@page_resources);
2874:
2875:
2876: } else {
2877: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
2878: $helper->{'VARS'}->{'symb'});
2879: }
2880: } elsif (($print_type eq 'map_problems') or
2881: ($print_type eq 'map_problems_in_page') or
2882: ($print_type eq 'map_resources_in_page') or
2883: ($print_type eq 'map_problems_pages') or
2884: ($print_type eq 'all_problems') or
2885: ($print_type eq 'all_resources') or # BUGBUG
2886: ($print_type eq 'select_sequences') or
2887: ($print_type eq 'map_incomplete_problems_seq')
2888: ) {
2889:
2890: #-- produce an output string
2891: if (($print_type eq 'map_problems') or
2892: ($print_type eq 'map_incomplete_problems_seq') or
2893: ($print_type eq 'map_problems_in_page') ) {
2894: $selectionmade = 2;
2895: } elsif (($print_type eq 'map_problems_pages') or
2896: ($print_type eq 'map_resources_in_page'))
2897: {
2898: $selectionmade = 3;
2899: } elsif (($print_type eq 'all_problems')
2900: ) {
2901: $selectionmade = 4;
2902: } elsif ($print_type eq 'all_resources') { #BUGBUG
2903: $selectionmade = 4;
2904: } elsif ($print_type eq 'select_sequences') {
2905: $selectionmade = 7;
2906: }
2907:
2908: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2909: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2910: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2911: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2912: $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2913: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2914: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
2915: $form{'problem_split'}='yes';
2916: }
2917: my $flag_latex_header_remove = 'NO';
2918: my $flag_page_in_sequence = 'NO';
2919: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
2920: my $prevassignment='';
2921:
2922: &Apache::lonxml::clear_problem_counter();
2923:
2924: my $pbreakresources = keys %page_breaks;
2925: for (my $i=0;$i<=$#master_seq;$i++) {
2926:
2927: &Apache::lonenc::reset_enc();
2928:
2929:
2930: # Note due to document structure, not allowed to put \newpage
2931: # prior to the first resource
2932:
2933: if (defined $page_breaks{$master_seq[$i]}) {
2934: if($i != 0) {
2935: $result.="\\newpage\n";
2936: }
2937: }
2938: $result .= &get_extra_vspaces($helper, $master_seq[$i]);
2939: my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
2940: $urlp=&Apache::lonnet::clutter($urlp);
2941: $form{'symb'}=$master_seq[$i];
2942:
2943: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
2944:
2945: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
2946: if ($i==0) {$prevassignment=$assignment;}
2947: my $texversion='';
2948: if ($urlp!~m|^/adm/|
2949: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
2950: $resources_printed .= $urlp.':';
2951: &Apache::lonxml::remember_problem_counter();
2952: if ($flag_latex_header_remove eq 'NO') {
2953: $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); # RF
2954: unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
2955: (($i==0) &&
2956: (($urlp=~/\.page$/) ||
2957: ($print_type eq 'map_problems_in_page') ||
2958: ($print_type eq 'map_resources_in_page')))) {
2959: $flag_latex_header_remove = 'YES';
2960: }
2961: }
2962: $texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2963: if ($urlp=~/\.page$/) {
2964: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
2965: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
2966: $texversion =~ s/\\end{document}\d*/\\end{document}/;
2967: $flag_page_in_sequence = 'YES';
2968: }
2969:
2970: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2971: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2972: # Don't permanently pervert the %form hash
2973: my %answerform = %form;
2974: $answerform{'grade_target'}='answer';
2975: $answerform{'answer_output_mode'}='tex';
2976: $resources_printed .= $urlp.':';
2977:
2978: &Apache::lonxml::restore_problem_counter();
2979: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2980: if ($urlp =~ /\.page$/) {
2981: $answer =~ s/\\end{document}(\d*)$//;
2982: }
2983: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2984: if ($urlp =~ /\.page$/) {
2985: my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
2986: my $lastprob = pop(@probs);
2987: $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
2988: $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
2989: } else {
2990: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
2991: }
2992: } else {
2993: if ($urlp=~/$LONCAPA::assess_page_re/) {
2994: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2995: # $texversion =~ s/\\begin{document}//; # FIXME
2996: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
2997: $title = &Apache::lonxml::latex_special_symbols($title);
2998: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2999: $body .= &path_to_problem ($urlp,$LaTeXwidth);
3000: $body .='\vskip 1 mm '.$answer;
3001: $body = &encapsulate_minipage($body);
3002: $texversion .= $body;
3003: } else {
3004: $texversion='';
3005: }
3006: }
3007:
3008: }
3009: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3010: my $annotation .= &annotate($urlp);
3011: $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
3012: }
3013:
3014: if ($flag_latex_header_remove ne 'NO') {
3015: $texversion = &latex_header_footer_remove($texversion);
3016: } else {
3017: $texversion =~ s/\\end{document}//;
3018: }
3019: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3020: $texversion=&IndexCreation($texversion,$urlp);
3021: }
3022: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
3023: my $name = &get_name();
3024: my $courseidinfo = &get_course();
3025: $prevassignment=$assignment;
3026: my $header_text = $parmhash{'print_header_format'};
3027: $header_text = &format_page_header($textwidth, $header_text,
3028: $assignment,
3029: $courseidinfo,
3030: $name);
3031: if ($numberofcolumns eq '1') {
3032: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
3033: } else {
3034: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
3035: }
3036: }
3037: $result .= $texversion;
3038: $flag_latex_header_remove = 'YES';
3039: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
3040: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3041: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
3042: $resources_printed .= $urlp.':';
3043: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
3044: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3045: my $annotation = &annotate($urlp);
3046: $texversion =~ s/(\\end{document)/$annotation$1/;
3047: }
3048:
3049: if ($flag_latex_header_remove ne 'NO') {
3050: $texversion = &latex_header_footer_remove($texversion);
3051: } else {
3052: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
3053: }
3054: $result .= $texversion;
3055: $flag_latex_header_remove = 'YES';
3056: } elsif ($urlp=~ /\.pdf$/i) {
3057: if ($i > 0) {
3058: $result .= '\cleardoublepage';
3059: }
3060: my $texfrompdf = &include_pdf($urlp);
3061: if ($flag_latex_header_remove ne 'NO') {
3062: $texfrompdf = &latex_header_footer_remove($texfrompdf);
3063: }
3064: $result .= $texfrompdf;
3065: if ($i != $#master_seq) {
3066: if ($numberofcolumns eq '1') {
3067: $result .= '\newpage';
3068: } else {
3069: # the \\'s seem to be needed to let LaTeX know there's something
3070: # on the page since LaTeX seems to not like to clear an empty page.
3071: #
3072: $result .= '\\ \cleardoublepage';
3073: }
3074: }
3075: $flag_latex_header_remove = 'YES';
3076:
3077: } else {
3078: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
3079: $master_seq[$i]);
3080: if ($flag_latex_header_remove ne 'NO') {
3081: $texversion = &latex_header_footer_remove($texversion);
3082: } else {
3083: $texversion =~ s/\\end{document}//;
3084: }
3085: $result .= $texversion;
3086: $flag_latex_header_remove = 'YES';
3087: }
3088: if (&Apache::loncommon::connection_aborted($r)) {
3089: last;
3090: }
3091: }
3092: &Apache::lonxml::clear_problem_counter();
3093: if ($flag_page_in_sequence eq 'YES') {
3094: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
3095: }
3096: $result .= '\end{document}';
3097: } elsif (($print_type eq 'problems_for_students') ||
3098: ($print_type eq 'problems_for_students_from_page') ||
3099: ($print_type eq 'all_problems_students') ||
3100: ($print_type eq 'resources_for_students') ||
3101: ($print_type eq 'incomplete_problems_selpeople_course') ||
3102: ($print_type eq 'map_incomplete_problems_people_seq')){
3103:
3104:
3105: #-- prints assignments for whole class or for selected students
3106: my $type;
3107: if (($print_type eq 'problems_for_students') ||
3108: ($print_type eq 'problems_for_students_from_page') ||
3109: ($print_type eq 'all_problems_students') ||
3110: ($print_type eq 'incomplete_problems_selpeople_course') ||
3111: ($print_type eq 'map_incomplete_problems_people_seq')) {
3112: $selectionmade=5;
3113: $type='problems';
3114: } elsif ($print_type eq 'resources_for_students') {
3115: $selectionmade=8;
3116: $type='resources';
3117: }
3118: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
3119: # The normal sort order is by section then by students within the
3120: # section. If the helper var student_sort is 1, then the user has elected
3121: # to override this and output the students by name.
3122: # Each element of the students array is of the form:
3123: # username:domain:section:last, first:status
3124: #
3125: # Note that student sort is not compatible with printing
3126: # 1 section per pdf...so that setting overrides.
3127: #
3128: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
3129: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
3130: @students = sort compare_names @students;
3131: } else {
3132: @students = sort compare_sections @students;
3133: }
3134: &adjust_number_to_print($helper);
3135:
3136: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
3137: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
3138: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
3139: }
3140: # If we are splitting on section boundaries, we need
3141: # to remember that in split_on_sections and
3142: # print all of the students in the list.
3143: #
3144: my $split_on_sections = 0;
3145: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
3146: $split_on_sections = 1;
3147: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
3148: }
3149: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3150:
3151: my $map;
3152: if ($helper->{VARS}->{'symb'}) {
3153: ($map, my $id, my $resource) =
3154: &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
3155: }
3156:
3157: #loop over students
3158:
3159: my $flag_latex_header_remove = 'NO';
3160: my %moreenv;
3161: $moreenv{'instructor_comments'}='hide';
3162: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
3163: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
3164: $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
3165: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3166: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
3167: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
3168: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
3169: $moreenv{'problem_split'}='yes';
3170: }
3171: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1);
3172: my $student_counter=-1;
3173: my $i = 0;
3174: my $last_section = (split(/:/,$students[0]))[2];
3175: foreach my $person (@students) {
3176: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
3177: if (-e $duefile) {
3178: my $temp_file = Apache::File->new('>>'.$duefile);
3179: print $temp_file "1969\n";
3180: }
3181: $student_counter++;
3182: if ($split_on_sections) {
3183: my $this_section = (split(/:/,$person))[2];
3184: if ($this_section ne $last_section) {
3185: $i++;
3186: $last_section = $this_section;
3187: }
3188: } else {
3189: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
3190: }
3191: my $actual_seq = master_seq_to_person_seq($map, \@master_seq,
3192: $person);
3193: my ($output,$fullname, $printed)=&print_resources($r,$helper,
3194: $person,$type,
3195: \%moreenv, $actual_seq,
3196: $flag_latex_header_remove,
3197: $LaTeXwidth);
3198: $resources_printed .= ":";
3199: $print_array[$i].=$output;
3200: $student_names[$i].=$person.':'.$fullname.'_END_';
3201: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
3202: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
3203: $flag_latex_header_remove = 'YES';
3204: if (&Apache::loncommon::connection_aborted($r)) { last; }
3205: }
3206: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3207: $result .= $print_array[0].' \end{document}';
3208: } elsif (($print_type eq 'problems_for_anon') ||
3209: ($print_type eq 'problems_for_anon_page') ||
3210: ($print_type eq 'resources_for_anon') ) {
3211: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
3212: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
3213: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
3214: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
3215: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
3216: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
3217: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
3218: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
3219: my @lines = &Apache::grades::get_scantronformat_file();
3220: my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
3221: foreach my $line (@lines) {
3222: chomp($line);
3223: my ($name,$type,$length,$bubbles_per_item) =
3224: (split(/:/,$line))[0,2,4,17];
3225: if ($name eq $code_option) {
3226: $code_length=$length;
3227: if ($type eq 'number') { $code_type = 'number'; }
3228: chomp($bubbles_per_item);
3229: if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
3230: $bubbles_per_row = $bubbles_per_item;
3231: }
3232: }
3233: }
3234: my ($randomorder,$randompick,$map);
3235: if ($helper->{VARS}{'symb'}) {
3236: ($map, my $id, my $resource) =
3237: &Apache::lonnet::decode_symb($helper->{VARS}{'symb'});
3238: my $navmap = Apache::lonnavmaps::navmap->new();
3239: if (defined($navmap)) {
3240: if ($map) {
3241: my $mapres = $navmap->getResourceByUrl($map);
3242: $randomorder = $mapres->randomorder();
3243: $randompick = $mapres->randompick();
3244: }
3245: }
3246: }
3247: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
3248: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3249: $moreenv{'instructor_comments'}='hide';
3250: $moreenv{'bubbles_per_row'} = $bubbles_per_row;
3251: my $seed=time+($$<<16)+($$);
3252: my @allcodes;
3253: if ($old_name) {
3254: my %result=&Apache::lonnet::get('CODEs',
3255: [$old_name,"type\0$old_name"],
3256: $cdom,$cnum);
3257: $code_type=$result{"type\0$old_name"};
3258: @allcodes=split(',',$result{$old_name});
3259: $num_todo=scalar(@allcodes);
3260: } elsif ($selected_code) { # Selection value is always numeric.
3261: $num_todo = 1;
3262: @allcodes = ($selected_code);
3263: } elsif ($single_code) {
3264:
3265: $num_todo = 1; # Unconditionally one code to do.
3266: # If an alpha code have to convert to numbers so it can be
3267: # converted back to letters again :-)
3268: #
3269: if ($code_type ne 'number') {
3270: $single_code = &letters_to_num($single_code);
3271: }
3272: @allcodes = ($single_code);
3273: } else {
3274: my %allcodes;
3275: srand($seed);
3276: for (my $i=0;$i<$num_todo;$i++) {
3277: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
3278: $code_type);
3279: }
3280: if ($code_name) {
3281: &Apache::lonnet::put('CODEs',
3282: {
3283: $code_name =>join(',',keys(%allcodes)),
3284: "type\0$code_name" => $code_type
3285: },
3286: $cdom,$cnum);
3287: }
3288: @allcodes=keys(%allcodes);
3289: }
3290: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3291: my ($type) = split(/_/,$print_type);
3292: &adjust_number_to_print($helper);
3293: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
3294: if ($number_per_page eq '0' || $number_per_page eq 'all'
3295: || $number_per_page eq 'section') {
3296: $number_per_page=$num_todo > 0 ? $num_todo : 1;
3297: }
3298: my $flag_latex_header_remove = 'NO';
3299: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo);
3300: my $count=0;
3301: foreach my $code (sort(@allcodes)) {
3302: my $file_num=int($count/$number_per_page);
3303: if ($code_type eq 'number') {
3304: $moreenv{'CODE'}=$code;
3305: } else {
3306: $moreenv{'CODE'}=&num_to_letters($code);
3307: }
3308: my $actual_seq = \@master_seq;
3309: if ($randomorder) {
3310: $env{'form.CODE'} = $moreenv{'CODE'};
3311: $actual_seq = master_seq_to_person_seq($map, \@master_seq,
3312: undef,
3313: $moreenv{'CODE'});
3314: delete($env{'form.CODE'});
3315: }
3316: my ($output,$fullname, $printed)=
3317: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
3318: $actual_seq,$flag_latex_header_remove,
3319: $LaTeXwidth);
3320: $resources_printed .= ":";
3321: $print_array[$file_num].=$output;
3322: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
3323: &mt('last assignment').' '.$fullname);
3324: $flag_latex_header_remove = 'YES';
3325: $count++;
3326: if (&Apache::loncommon::connection_aborted($r)) { last; }
3327: }
3328: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3329: $result .= $print_array[0].' \end{document}';
3330: } elsif ($print_type eq 'problems_from_directory') {
3331: #prints selected problems from the subdirectory
3332: $selectionmade = 6;
3333: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
3334: @list_of_files=sort @list_of_files;
3335: my $flag_latex_header_remove = 'NO';
3336: my $rndseed=time;
3337: if ($helper->{'VARS'}->{'curseed'}) {
3338: $rndseed=$helper->{'VARS'}->{'curseed'};
3339: }
3340: for (my $i=0;$i<=$#list_of_files;$i++) {
3341:
3342: &Apache::lonenc::reset_enc();
3343:
3344: my $urlp = $list_of_files[$i];
3345: $urlp=~s|//|/|;
3346: if ($urlp=~/\//) {
3347: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
3348: $form{'rndseed'}=$rndseed;
3349: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
3350: $resources_printed .= $urlp.':';
3351: my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
3352: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3353: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3354: # Don't permanently pervert %form:
3355: my %answerform = %form;
3356: $answerform{'grade_target'}='answer';
3357: $answerform{'answer_output_mode'}='tex';
3358: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3359: $answerform{'rndseed'}=$rndseed;
3360: $resources_printed .= $urlp.':';
3361: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
3362: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3363: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
3364: } else {
3365: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3366: if ($helper->{'VARS'}->{'construction'} ne '1') {
3367: $texversion.='\vskip 0 mm \noindent ';
3368: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3369: } else {
3370: $texversion.='\vskip 0 mm \noindent\textbf{'.
3371: &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
3372: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3373: }
3374: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
3375: }
3376: }
3377: #this chunk is responsible for printing the path to problem
3378:
3379: my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
3380: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
3381: if ($flag_latex_header_remove ne 'NO') {
3382: $texversion = &latex_header_footer_remove($texversion);
3383: } else {
3384: $texversion =~ s/\\end{document}//;
3385: }
3386: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3387: $texversion=&IndexCreation($texversion,$urlp);
3388: }
3389: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
3390: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
3391:
3392: }
3393: $result .= $texversion;
3394: }
3395: $flag_latex_header_remove = 'YES';
3396: }
3397: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
3398: $result .= '\end{document}';
3399: }
3400: #-------------------------------------------------------- corrections for the different page formats
3401:
3402: # Only post process if that has not been turned off e.g. by a raw latex resource.
3403:
3404: if ($do_postprocessing) {
3405: $result = &page_format_transformation($papersize,
3406: $laystyle,$numberofcolumns,
3407: $print_type,$result,
3408: $helper->{VARS}->{'assignment'},
3409: $helper->{'VARS'}->{'TABLE_CONTENTS'},
3410: $helper->{'VARS'}->{'TABLE_INDEX'},
3411: $selectionmade);
3412: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
3413: $helper->{'VARS'}->{'ANSWER_TYPE'});
3414: #if ($numberofcolumns == 1) {
3415: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
3416: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
3417: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3418: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3419: #}
3420: }
3421:
3422: # Set URLback if this is a construction space print so we can provide
3423: # a link to the resource being edited.
3424: #
3425:
3426: my $URLback=''; #link to original document
3427: if ($helper->{'VARS'}->{'construction'} eq '1') {
3428: $URLback=$helper->{'VARS'}->{'filename'};
3429: }
3430: #
3431: # Final adjustment of the font size:
3432: #
3433:
3434: $result = set_font_size($result);
3435:
3436: # Insert any babel headers required.
3437:
3438: $result = &collect_languages($result);
3439:
3440:
3441: #-- writing .tex file in prtspool
3442: my $temp_file;
3443: my $identifier = &Apache::loncommon::get_cgi_id();
3444: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
3445: if (!($#print_array>0)) {
3446: unless ($temp_file = Apache::File->new('>'.$filename)) {
3447: $r->log_error("Couldn't open $filename for output $!");
3448: return SERVER_ERROR;
3449: }
3450: print $temp_file $result;
3451: my $begin=index($result,'\begin{document}',0);
3452: my $inc=substr($result,0,$begin+16);
3453: } else {
3454: my $begin=index($result,'\begin{document}',0);
3455: my $inc=substr($result,0,$begin+16);
3456: for (my $i=0;$i<=$#print_array;$i++) {
3457: if ($i==0) {
3458: $print_array[$i]=$result;
3459: } else {
3460: $print_array[$i].='\end{document}';
3461: $print_array[$i] =
3462: &latex_corrections($number_of_columns,$print_array[$i],
3463: $selectionmade,
3464: $helper->{'VARS'}->{'ANSWER_TYPE'});
3465:
3466: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
3467: substr($print_array[$i],0,$anobegin)='';
3468: $print_array[$i]=$inc.$print_array[$i];
3469: }
3470: my $temp_file;
3471: my $newfilename=$filename;
3472: my $num=$i+1;
3473: $newfilename =~s/\.tex$//;
3474: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
3475: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
3476: $r->log_error("Couldn't open $newfilename for output $!");
3477: return SERVER_ERROR;
3478: }
3479: print $temp_file $print_array[$i];
3480: }
3481: }
3482: my $student_names='';
3483: if ($#print_array>0) {
3484: for (my $i=0;$i<=$#print_array;$i++) {
3485: $student_names.=$student_names[$i].'_ENDPERSON_';
3486: }
3487: } else {
3488: if ($#student_names>-1) {
3489: $student_names=$student_names[0].'_ENDPERSON_';
3490: } else {
3491: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
3492: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
3493: $env{'request.course.sec'},$fullname).
3494: '_ENDPERSON_'.'_END_';
3495: }
3496: }
3497:
3498: # logic for now is too complex to trace if this has been defined
3499: # yet.
3500: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3501: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3502: &Apache::lonnet::appenv({'cgi.'.$identifier.'.file' => $filename,
3503: 'cgi.'.$identifier.'.layout' => $laystyle,
3504: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
3505: 'cgi.'.$identifier.'.paper' => $papersize,
3506: 'cgi.'.$identifier.'.selection' => $selectionmade,
3507: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
3508: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
3509: 'cgi.'.$identifier.'.role' => $perm{'pav'},
3510: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
3511: 'cgi.'.$identifier.'.studentnames' => $student_names,
3512: 'cgi.'.$identifier.'.backref' => $URLback,});
3513: &Apache::lonnet::appenv({"cgi.$identifier.user" => $env{'user.name'},
3514: "cgi.$identifier.domain" => $env{'user.domain'},
3515: "cgi.$identifier.courseid" => $cnum,
3516: "cgi.$identifier.coursedom" => $cdom,
3517: "cgi.$identifier.resources" => $resources_printed});
3518:
3519: my $end_page = &Apache::loncommon::end_page();
3520: my $continue_text = &mt('Continue');
3521: # If there's been an unrecoverable SSI error, report it to the user
3522: if ($ssi_error) {
3523: my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
3524: $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
3525: &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
3526: '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
3527: '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
3528: &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
3529: '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
3530: &mt('We apologize for the inconvenience.').'</p>'.
3531: '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
3532: } else {
3533: $r->print(<<FINALEND);
3534: <br />
3535: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
3536: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
3537: $end_page
3538: FINALEND
3539: } # endif ssi errors.
3540: }
3541:
3542:
3543: sub get_CODE {
3544: my ($all_codes,$num,$seed,$size,$type)=@_;
3545: my $max='1'.'0'x$size;
3546: my $newcode;
3547: while(1) {
3548: $newcode=sprintf("%0".$size."d",int(rand($max)));
3549: if (!exists($$all_codes{$newcode})) {
3550: $$all_codes{$newcode}=1;
3551: if ($type eq 'number' ) {
3552: return $newcode;
3553: } else {
3554: return &num_to_letters($newcode);
3555: }
3556: }
3557: }
3558: }
3559:
3560: sub print_resources {
3561: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
3562: $LaTeXwidth)=@_;
3563: my $current_output = '';
3564: my $printed = '';
3565: my ($username,$userdomain,$usersection) = split /:/,$person;
3566: my $fullname = &get_name($username,$userdomain);
3567: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
3568:
3569:
3570: #
3571: # Figure out if we need to filter the output by
3572: # the incomplete problems for that person
3573: #
3574: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
3575: my $print_incomplete = 0;
3576: if (($print_type eq 'map_incomplete_problems_people_seq') ||
3577: ($print_type eq 'incomplete_problems_selpeople_course')) {
3578: $print_incomplete = 1;
3579: }
3580: if ($person eq 'anonymous') {
3581: $namepostfix .=&mt('Name:')." ";
3582: $fullname = "CODE - ".$moreenv->{'CODE'};
3583: }
3584:
3585: # Fullname may have special latex characters that need \ prefixing:
3586: #
3587:
3588: my $i = 0;
3589: my $actually_printed = 0; # Count of resources printed.
3590: #goes through all resources, checks if they are available for
3591: #current student, and produces output
3592:
3593: &Apache::lonxml::clear_problem_counter();
3594: my %page_breaks = &get_page_breaks($helper);
3595: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
3596: #
3597: # end each student with a
3598: # Special that allows the post processor to even out the page
3599: # counts later. Nasty problem this... it would be really
3600: # nice to put the special in as a postscript comment
3601: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
3602: # The special gets passed the \ and dvips puts it in the output file
3603: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
3604: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
3605: #
3606:
3607: my $syllabus_first = 0;
3608: my $current_assignment = "";
3609: my $assignment;
3610: my $courseidinfo = &get_course();
3611:
3612: foreach my $curresline (@{$master_seq}) {
3613: if (defined $page_breaks{$curresline}) {
3614: if($i != 0) {
3615: $current_output.= "\\newpage\n";
3616: }
3617: }
3618: $current_output .= &get_extra_vspaces($helper, $curresline);
3619: $i++;
3620: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
3621:
3622: # See if we need to emit a new header:
3623:
3624: if ( !($type eq 'problems' &&
3625: ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
3626: if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
3627: next;
3628: }
3629: $actually_printed++; # we're going to print one.
3630: if (&Apache::lonnet::allowed('bre',$res_url)) {
3631: if ($res_url!~m|^ext/|
3632: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
3633: $printed .= $curresline.':';
3634: &Apache::lonxml::remember_problem_counter();
3635:
3636: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3637: if ($res_url =~ /\.page$/) {
3638: if ($remove_latex_header eq 'NO') {
3639: if (!($rendered =~ /\\begin\{document\}/)) {
3640: $rendered = &print_latex_header().$rendered;
3641: }
3642: }
3643: ;
3644: if ($remove_latex_header eq 'YES') {
3645: $rendered = &latex_header_footer_remove($rendered);
3646: } else {
3647: $rendered =~ s/\\end{document}\d*//;
3648: }
3649: }
3650: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3651: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3652: # Use a copy of the hash so we don't pervert it on future loop passes.
3653: my %answerenv = %{$moreenv};
3654: $answerenv{'answer_output_mode'}='tex';
3655:
3656:
3657: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3658:
3659: &Apache::lonxml::restore_problem_counter();
3660:
3661: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
3662:
3663: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3664: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
3665: } else {
3666:
3667:
3668: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3669: unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
3670: $header =~ s/\\begin{document}//; #<<<<<
3671: }
3672: my $title = &Apache::lonnet::gettitle($curresline);
3673: $title = &Apache::lonxml::latex_special_symbols($title);
3674: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
3675: $body .=&path_to_problem($res_url,$LaTeXwidth);
3676: $body .='\vskip 1 mm '.$ansrendered;
3677: $body = &encapsulate_minipage($body);
3678: $rendered = $header.$body;
3679: }
3680: }
3681: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3682: my $url = &Apache::lonnet::clutter($res_url);
3683: my $annotation = &annotate($url);
3684: $rendered =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
3685: }
3686: my $junk;
3687: if ($remove_latex_header eq 'YES') {
3688: $rendered = &latex_header_footer_remove($rendered);
3689: } else {
3690: $rendered =~ s/\\end{document}//;
3691: }
3692: $current_output .= $rendered;
3693: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
3694: if ($i == 1) {
3695: $syllabus_first = 1;
3696: }
3697: $printed .= $curresline.':';
3698: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3699: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3700: my $url = &Apache::lonnet::clutter($res_url);
3701: my $annotation = &annotate($url);
3702: $annotation =~ s/(\\end{document})/$annotation$1/;
3703: }
3704: if ($remove_latex_header eq 'YES') {
3705: $rendered = &latex_header_footer_remove($rendered);
3706: } else {
3707: $rendered =~ s/\\end{document}//;
3708: }
3709: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
3710: } elsif($res_url = ~/\.pdf$/) {
3711: my $url = &Apache::lonnet::clutter($res_url);
3712: my $rendered = &include_pdf($url);
3713: if ($remove_latex_header ne 'NO') {
3714: $rendered = &latex_header_footer_remove($rendered);
3715: }
3716: $current_output .= $rendered;
3717: } else {
3718: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
3719: if ($remove_latex_header ne 'NO') {
3720: $rendered = &latex_header_footer_remove($rendered);
3721: } else {
3722: $rendered =~ s/\\end{document}//;
3723: }
3724: $current_output .= $rendered;
3725: }
3726: }
3727: $remove_latex_header = 'YES';
3728: }
3729: $assignment = &Apache::lonxml::latex_special_symbols(
3730: &Apache::lonnet::gettitle($map), 'header');
3731: if (($assignment ne $current_assignment) && ($assignment ne "")) {
3732: my $header_line = &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3733: $assignment, $courseidinfo,
3734: $fullname, $usersection);
3735: my $header_start = ($columns_in_format == 1) ? '\lhead'
3736: : '\fancyhead[LO]';
3737: $header_line = $header_start.'{'.$header_line.'}';
3738: $current_output = $current_output . $header_line;
3739: $current_assignment = $assignment;
3740: }
3741:
3742: if (&Apache::loncommon::connection_aborted($r)) { last; }
3743: }
3744: # If we are printing incomplete it's possible we don't have
3745: # anything to print. The print subsystem is not so good at handling
3746: # that so we're going to generate a stub that says there are no
3747: # incomplete resources for the person.
3748: #
3749:
3750: if ($actually_printed == 0) {
3751: $current_output = &encapsulate_minipage("\\vskip -10mm \nNo incomplete resources\n \\vskip 100 mm { }\n");
3752: if ($remove_latex_header eq "NO") {
3753: $current_output = &print_latex_header() . $current_output;
3754: } else {
3755: $current_output = &latex_header_footer_remove($current_output);
3756: }
3757: }
3758:
3759: if ($syllabus_first) {
3760: $current_output =~ s/\\\\ Last updated:/Last updated:/
3761: }
3762: if (0) {
3763: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
3764: my $header_line =
3765: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3766: $currentassignment, $courseidinfo, $fullname, $usersection);
3767: my $header_start = ($columns_in_format == 1) ? '\lhead'
3768: : '\fancyhead[LO]';
3769: $header_line = $header_start.'{'.$header_line.'}';
3770: }
3771: if ($current_output=~/\\documentclass/) {
3772: # $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
3773: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$namepostfix}\\vskip 5 mm /;
3774:
3775: } else {
3776: my $blankpages =
3777: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
3778:
3779: # $current_output = '\strut\vspace*{-6 mm}\\newline'.
3780: # ©right_line().' \newpage '.$blankpages.$end_of_student.
3781: # '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
3782: # $header_line.$namepostfix. '} \vskip 5 mm '.$current_output;
3783: $current_output = '\strut\vspace*{-6 mm}\\newline'.
3784: ©right_line().' \newpage '.$blankpages.$end_of_student.
3785: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'
3786: .$namepostfix. '} \vskip 5 mm '.$current_output;
3787:
3788: }
3789: #
3790: # Close the student bracketing.
3791: #
3792: return ($current_output,$fullname, $printed);
3793:
3794: }
3795:
3796: sub printing_blocked {
3797: my ($r,$blocktext) = @_;
3798: my $title = &mt('Preparing Printout');
3799: &Apache::lonhtmlcommon::clear_breadcrumbs();
3800: &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout',
3801: text=> $title});
3802: my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
3803: &Apache::loncommon::content_type($r,'text/html');
3804: &Apache::loncommon::no_cache($r);
3805: $r->send_http_header;
3806: $r->print(&Apache::loncommon::start_page('Preparing Printout').
3807: $breadcrumbs.
3808: $blocktext.
3809: &Apache::loncommon::end_page());
3810: return;
3811: }
3812:
3813: sub handler {
3814:
3815: my $r = shift;
3816:
3817: if ($env{'request.course.id'}) {
3818: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3819: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3820: my ($blocked,$blocktext) =
3821: &Apache::loncommon::blocking_status('printout',$cnum,$cdom);
3822: if ($blocked) {
3823: my $checkrole = "cm./$cdom/$cnum";
3824: if ($env{'request.course.sec'} ne '') {
3825: $checkrole .= "/$env{'request.course.sec'}";
3826: }
3827: unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
3828: ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
3829: &printing_blocked($r,$blocktext);
3830: return OK;
3831: }
3832: }
3833: }
3834:
3835: &init_perm();
3836: my $helper = printHelper($r);
3837: if (!ref($helper)) {
3838: return $helper;
3839: }
3840:
3841:
3842: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
3843:
3844:
3845:
3846:
3847: # If a figure conversion queue file exists for this user.domain
3848: # we delete it since it can only be bad (if it were good, printout.pl
3849: # would have deleted it the last time around.
3850:
3851: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
3852: if(-e $conversion_queuefile) {
3853: unlink $conversion_queuefile;
3854: }
3855:
3856:
3857: &output_data($r,$helper,\%parmhash);
3858: return OK;
3859: }
3860:
3861: use Apache::lonhelper;
3862:
3863: sub addMessage {
3864: my $text = shift;
3865: my $paramHash = Apache::lonhelper::getParamHash();
3866: $paramHash->{MESSAGE_TEXT} = $text;
3867: Apache::lonhelper::message->new();
3868: }
3869:
3870:
3871:
3872: sub init_perm {
3873: undef(%perm);
3874: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
3875: if (!$perm{'pav'}) {
3876: $perm{'pav'}=&Apache::lonnet::allowed('pav',
3877: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3878: }
3879: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
3880: if (!$perm{'pfo'}) {
3881: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
3882: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3883: }
3884: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
3885: if (!$perm{'vgr'}) {
3886: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
3887: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3888: }
3889: }
3890:
3891: sub get_randomly_ordered_warning {
3892: my ($helper,$map) = @_;
3893:
3894: my $message;
3895:
3896: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
3897: my $navmap = Apache::lonnavmaps::navmap->new();
3898: if (defined($navmap)) {
3899: my $res = $navmap->getResourceByUrl($map);
3900: if ($res) {
3901: my $func =
3902: sub { return ($_[0]->is_map() && $_[0]->randomorder); };
3903: my @matches = $navmap->retrieveResources($res, $func,1,1,1);
3904:
3905: }
3906: } else {
3907: $message = "Retrieval of information about ordering of resources failed.";
3908: return '<message type="warning">'.$message.'</message>';
3909: }
3910: return;
3911: }
3912:
3913: sub printHelper {
3914: my $r = shift;
3915:
3916: if ($r->header_only) {
3917: if ($env{'browser.mathml'}) {
3918: &Apache::loncommon::content_type($r,'text/xml');
3919: } else {
3920: &Apache::loncommon::content_type($r,'text/html');
3921: }
3922: $r->send_http_header;
3923: return OK;
3924: }
3925:
3926: # Send header, nocache
3927: if ($env{'browser.mathml'}) {
3928: &Apache::loncommon::content_type($r,'text/xml');
3929: } else {
3930: &Apache::loncommon::content_type($r,'text/html');
3931: }
3932: &Apache::loncommon::no_cache($r);
3933: $r->send_http_header;
3934: $r->rflush();
3935:
3936: # Unfortunately, this helper is so complicated we have to
3937: # write it by hand
3938:
3939: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
3940:
3941: my $helper = Apache::lonhelper::helper->new("Printing Helper");
3942: $helper->declareVar('symb');
3943: $helper->declareVar('postdata');
3944: $helper->declareVar('curseed');
3945: $helper->declareVar('probstatus');
3946: $helper->declareVar('filename');
3947: $helper->declareVar('construction');
3948: $helper->declareVar('assignment');
3949: $helper->declareVar('style_file');
3950: $helper->declareVar('student_sort');
3951: $helper->declareVar('FINISHPAGE');
3952: $helper->declareVar('PRINT_TYPE');
3953: $helper->declareVar("showallfoils");
3954: $helper->declareVar("STUDENTS");
3955: $helper->declareVar("EXTRASPACE");
3956:
3957:
3958:
3959:
3960: # The page breaks and extra spaces
3961: # can get loaded initially from the course environment:
3962: # But we only do this in the initial state so that they are allowed to change.
3963: #
3964:
3965:
3966: &Apache::loncommon::restore_course_settings('print',
3967: {'pagebreaks' => 'scalar',
3968: 'extraspace' => 'scalar',
3969: 'extraspace_units' => 'scalar',
3970: 'lastprinttype' => 'scalar'});
3971:
3972: # This will persistently load in the data we want from the
3973: # very first screen.
3974:
3975: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
3976: if (!defined ($env{"form.CURRENT_STATE"})) {
3977:
3978: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
3979: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
3980: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
3981: } else {
3982: my $state = $env{"form.CURRENT_STATE"};
3983: if ($state eq "START") {
3984: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
3985: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
3986: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
3987:
3988: }
3989: }
3990:
3991: }
3992:
3993: # Detect whether we're coming from construction space
3994: if ($env{'form.postdata'}=~m{^/priv}) {
3995: $helper->{VARS}->{'filename'} = $env{'form.postdata'};
3996: $helper->{VARS}->{'construction'} = 1;
3997: } else {
3998: if ($env{'form.postdata'}) {
3999: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
4000: if ( $helper->{VARS}->{'symb'} eq '') {
4001: $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
4002: }
4003: }
4004: if ($env{'form.symb'}) {
4005: $helper->{VARS}->{'symb'} = $env{'form.symb'};
4006: }
4007: if ($env{'form.url'}) {
4008: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
4009: }
4010:
4011: }
4012:
4013: if ($env{'form.symb'}) {
4014: $helper->{VARS}->{'symb'} = $env{'form.symb'};
4015: }
4016: if ($env{'form.url'}) {
4017: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
4018:
4019: }
4020: $helper->{VARS}->{'symb'}=
4021: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
4022: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
4023: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
4024:
4025:
4026: # Extract map
4027: my $symb = $helper->{VARS}->{'symb'};
4028: my ($map, $id, $url);
4029: my $subdir;
4030: my $is_published=0; # True when printing from resource space.
4031: my $res_printable = 1; # By default the current resource is printable.
4032: my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
4033: my $res_printstartdate;
4034: my $res_printenddate;
4035: my $map_open = 0;
4036: my $map_close = 0xffffffff;
4037: my $course_open = 0;
4038: my $course_close = 0xffffffff;
4039:
4040: # Get the resource name from construction space
4041: if ($helper->{VARS}->{'construction'}) {
4042: $resourceTitle = substr($helper->{VARS}->{'filename'},
4043: rindex($helper->{VARS}->{'filename'}, '/')+1);
4044: $subdir = substr($helper->{VARS}->{'filename'},
4045: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
4046: } else {
4047: # From course space:
4048:
4049: if ($symb ne '') {
4050: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
4051: $helper->{VARS}->{'postdata'} =
4052: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
4053: my $navmap = Apache::lonnavmaps::navmap->new();
4054: my $res = $navmap->getBySymb($symb);
4055: $res_printable = $res->resprintable() | $userCanPrint; #printability in course context
4056: ($res_printstartdate, $res_printenddate) = &get_print_dates($res);
4057: ($course_open, $course_close) = &course_print_dates($res);
4058: ($map_open, $map_close) = &map_print_dates($res);
4059:
4060: } else {
4061: # Resource space.
4062:
4063: $url = $helper->{VARS}->{'postdata'};
4064: $is_published=1; # From resource space.
4065: }
4066: $url = &Apache::lonnet::clutter($url);
4067: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
4068: my $postdata = $helper->{VARS}->{'postdata'};
4069: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
4070: }
4071: $subdir = &Apache::lonnet::filelocation("", $url);
4072:
4073:
4074: }
4075: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
4076: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
4077: }
4078:
4079: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4080: $helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
4081: }
4082:
4083: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
4084:
4085: Apache::lonhelper::registerHelperTags();
4086:
4087: # "Delete everything after the last slash."
4088: $subdir =~ s|/[^/]+$||;
4089:
4090: # What can be printed is a very dynamic decision based on
4091: # lots of factors. So we need to dynamically build this list.
4092: # To prevent security leaks, states are only added to the wizard
4093: # if they can be reached, which ensures manipulating the form input
4094: # won't allow anyone to reach states they shouldn't have permission
4095: # to reach.
4096:
4097: # printChoices is tracking the kind of printing the user can
4098: # do, and will be used in a choices construction later.
4099: # In the meantime we will be adding states and elements to
4100: # the helper by hand.
4101: my $printChoices = [];
4102: my $paramHash;
4103:
4104: # If there is a current resource and it is printable
4105: # Give that as a choice.
4106:
4107: if ($resourceTitle && $res_printable) {
4108: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
4109: }
4110:
4111: # Useful filter strings
4112:
4113: my $isPrintable = ' && $res->resprintable()';
4114:
4115: my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
4116: $isProblem .= $isPrintable unless $userCanPrint;
4117: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
4118: my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
4119: $isProblemOrMap .= $isPrintable unless $userCanPrint;
4120: my $isNotMap = '(!$res->is_sequence())';
4121: $isNotMap .= $isPrintable unless $userCanPrint;
4122: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
4123: my $isMap = '$res->is_map()';
4124: $isMap .= $isPrintable unless $userCanPrint;
4125: my $symbFilter = '$res->shown_symb() ';
4126: my $urlValue = '$res->link()';
4127:
4128: $helper->declareVar('SEQUENCE');
4129:
4130: # If we're in a sequence...
4131:
4132: my $start_new_option;
4133: if ($perm{'pav'}) {
4134: $start_new_option =
4135: "<option text='".&mt('Start new page<br />before selected').
4136: "' variable='FINISHPAGE' />".
4137: "<option text='".&mt('Extra space<br />before selected').
4138: "' variable='EXTRASPACE' type='text' />" .
4139: "<option " .
4140: "' variable='POSSIBLE_RESOURCES' type='hidden' />".
4141: "<option text='".&mt('Space units<br />check for mm').
4142: "' variable='EXTRASPACE_UNITS' type='checkbox' />"
4143: ;
4144:
4145:
4146: }
4147:
4148: # If not construction space user can print the components of a page:
4149:
4150: my $page_ispage;
4151: my $page_title;
4152: if (!$helper->{VARS}->{'construction'}) {
4153: my $varspostdata = $helper->{VARS}->{'postdata'};
4154: my $varsassignment = $helper->{VARS}->{'assignment'};
4155: my $page_navmap = Apache::lonnavmaps::navmap->new();
4156: if (defined($page_navmap)) {
4157: my @page_resources = $page_navmap->retrieveResources($url);
4158: if(defined($page_resources[0])) {
4159: $page_ispage = $page_resources[0]->is_page();
4160: $page_title = $page_resources[0]->title();
4161: my $resourcesymb = $page_resources[0]->symb();
4162: my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
4163: if ($page_ispage) {
4164: push @{$printChoices},
4165: [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4166: 'map_problems_in_page',
4167: 'CHOOSE_PROBLEMS_PAGE'];
4168: push @{$printChoices},
4169: [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4170: 'map_resources_in_page',
4171: 'CHOOSE_RESOURCES_PAGE'];
4172: }
4173: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
4174: 'Select Problem(s) to print',
4175: "multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
4176: 'RESOURCES',
4177: 'PAGESIZE',
4178: $url,
4179: $isProblem, '', $symbFilter,
4180: $start_new_option);
4181:
4182:
4183: $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
4184: 'Select Resource(s) to print',
4185: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4186: 'RESOURCES',
4187: 'PAGESIZE',
4188: $url,
4189: $isNotMap, '', $symbFilter,
4190: $start_new_option);
4191:
4192:
4193:
4194:
4195:
4196: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4197:
4198: }
4199: }
4200: }
4201:
4202: if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
4203: $helper->{VARS}->{'postdata'} &&
4204: $helper->{VARS}->{'assignment'}) {
4205:
4206: # BZ 5209 - Print incomplete problems from sequence:
4207: # the exact form of this depends on whether or not we are privileged or a mere
4208: # plebe of s student:
4209:
4210: my $printSelector = 'map_incomplete_problems_seq';
4211: my $nextState = 'CHOOSE_INCOMPLETE_SEQ';
4212: my $textSuffix = '';
4213:
4214: if ($userCanPrint) {
4215: $printSelector = 'map_incomplete_problems_people_seq';
4216: $nextState = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
4217: $textSuffix = ' for selected students';
4218: my $helperStates =
4219: &create_incomplete_folder_selstud_helper($helper, $map);
4220: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4221: } else {
4222: if (&printable($map_open, $map_close)) {
4223: my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student.
4224: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4225: } else {
4226: # TODO: Figure out how to break the news...this folder is not printable.
4227: }
4228: }
4229:
4230: if ($userCanPrint || &printable($map_open, $map_close)) {
4231: push(@{$printChoices},
4232: [&mt('Selected [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
4233: '<b>', '</b>',
4234: '<b><i>'. $sequenceTitle . '</b></i>'),
4235: $printSelector,
4236: $nextState]);
4237: }
4238: # Allow problems from sequence
4239: if ($userCanPrint || &printable($map_open, $map_close)) {
4240: push @{$printChoices},
4241: [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4242: 'map_problems',
4243: 'CHOOSE_PROBLEMS'];
4244: # Allow all resources from sequence
4245: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4246: 'map_problems_pages',
4247: 'CHOOSE_PROBLEMS_HTML'];
4248: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
4249: 'Select Problem(s) to print',
4250: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4251: 'RESOURCES',
4252: 'PAGESIZE',
4253: $map,
4254: $isProblem, '',
4255: $symbFilter,
4256: $start_new_option);
4257: $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
4258: 'Select Resource(s) to print',
4259: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4260: 'RESOURCES',
4261: 'PAGESIZE',
4262: $map,
4263: $isNotMap, '',
4264: $symbFilter,
4265: $start_new_option);
4266:
4267: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4268: } else {
4269: # TODO: Figure out how to tell them the folder is not printable.
4270: }
4271: }
4272: # If the user has pfo (print for others) allow them to print all
4273: # problems and resources in the entire course, optionally for selected students
4274: my $post_data = $helper->{VARS}->{'postdata'};
4275:
4276: if ($perm{'pfo'} && !$is_published &&
4277: ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
4278:
4279: # BZ 5209 - incomplete problems from entire course:
4280:
4281: push(@{$printChoices},
4282: [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
4283: 'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
4284: my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
4285:
4286: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4287:
4288: # Selected problems/resources from entire course:
4289:
4290: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
4291: push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
4292: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
4293: my $suffixXml = <<ALL_PROBLEMS;
4294: <state name="STUDENTS1" title="Select People">
4295: <message><b>Select sorting order of printout</b> </message>
4296: <choices variable='student_sort'>
4297: <choice computer='0'>Sort by section then student</choice>
4298: <choice computer='1'>Sort by students across sections.</choice>
4299: </choices>
4300: <message><br /><hr /><br /> </message>
4301: <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
4302: </state>
4303: ALL_PROBLEMS
4304: &Apache::lonxml::xmlparse($r, 'helper',
4305: &generate_resource_chooser('ALL_PROBLEMS',
4306: 'SelectProblem(s) to print',
4307: 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
4308: 'RESOURCES',
4309: 'PAGESIZE',
4310: '',
4311: $isProblemOrMap, $isNotMap,
4312: $symbFilter,
4313: $start_new_option) .
4314: &generate_resource_chooser('ALL_RESOURCES',
4315: 'Select Resource(s) to print',
4316: " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
4317: 'RESOURCES',
4318: 'PAGESIZE',
4319: '',
4320: $isNotMap,'',$symbFilter,
4321: $start_new_option) .
4322: &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
4323: 'Select Problem(s) to print',
4324: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
4325: 'RESOURCES',
4326: 'STUDENTS1',
4327: '',
4328: $isProblemOrMap,'' , $symbFilter,
4329: $start_new_option) .
4330: $suffixXml
4331: );
4332:
4333: if ($helper->{VARS}->{'assignment'}) {
4334:
4335: # If we were looking at a page, allow a selection of problems from the page
4336: # either for selected students or for coded assignments.
4337:
4338: if ($page_ispage) {
4339: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
4340: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4341: 'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
4342: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
4343: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4344: 'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
4345: }
4346: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
4347: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4348: 'problems_for_students', 'CHOOSE_STUDENTS'];
4349: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
4350: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4351: 'problems_for_anon', 'CHOOSE_ANON1'];
4352: }
4353:
4354: my $randomly_ordered_warning =
4355: &get_randomly_ordered_warning($helper, $map);
4356:
4357: # resource_selector will hold a few states that:
4358: # - Allow resources to be selected for printing.
4359: # - Determine pagination between assignments.
4360: # - Determine how many assignments should be bundled into a single PDF.
4361: # TODO:
4362: # Probably good to do things like separate this up into several vars, each
4363: # with one state, and use REGEXPs at inclusion time to set state names
4364: # and next states for better mix and match capability
4365: #
4366: my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
4367: 'Select resources to print',
4368: 'multichoice="1" addstatus="1" closeallpages="1"',
4369: 'RESOURCES',
4370: 'PRINT_FORMATTING',
4371: $map,
4372: $isProblem, '', $symbFilter,
4373: $start_new_option);
4374: $resource_selector .= &generate_format_selector($helper,
4375: 'How should results be printed?',
4376: 'PRINT_FORMATTING').
4377: &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
4378: 'Select Problem(s) to print',
4379: "multichoice='1' addstatus='1' closeallpages ='1'",
4380: 'RESOURCES',
4381: 'PRINT_FORMATTING',
4382: $url,
4383: $isProblem, '', $symbFilter,
4384: $start_new_option);
4385:
4386:
4387: # Generate student choosers.
4388:
4389:
4390:
4391: &Apache::lonxml::xmlparse($r, 'helper',
4392: &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
4393: 'student_sort',
4394: 'STUDENTS',
4395: 'CHOOSE_STUDENTS_PAGE'));
4396: &Apache::lonxml::xmlparse($r, 'helper',
4397: &generate_student_chooser('CHOOSE_STUDENTS',
4398: 'student_sort',
4399: 'STUDENTS',
4400: 'SELECT_PROBLEMS'));
4401: &Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
4402:
4403: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4404: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4405: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
4406: my $namechoice='<choice></choice>';
4407: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
4408: if ($name =~ /^error: 2 /) { next; }
4409: if ($name =~ /^type\0/) { next; }
4410: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
4411: }
4412:
4413:
4414: my %code_values;
4415: my %codes_to_print;
4416: foreach my $key (@names) {
4417: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
4418: foreach my $key (keys(%code_values)) {
4419: $codes_to_print{$key} = 1;
4420: }
4421: }
4422:
4423: my $code_selection;
4424: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
4425: my $choice = $code;
4426: if ($code =~ /^[A-Z]+$/) { # Alpha code
4427: $choice = &letters_to_num($code);
4428: }
4429: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
4430: }
4431: if (%codes_to_print) {
4432: $code_selection .='
4433: <message><b>Choose single CODE from list:</b></message>
4434: <message></td><td></message>
4435: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
4436: <choice></choice>
4437: <exec>
4438: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
4439: </exec>
4440: </dropdown>
4441: <message></td></tr><tr><td></message>
4442: '.$/;
4443:
4444: }
4445:
4446: my @lines = &Apache::grades::get_scantronformat_file();
4447: my $codechoice='';
4448: foreach my $line (@lines) {
4449: my ($name,$description,$code_type,$code_length)=
4450: (split(/:/,$line))[0,1,2,4];
4451: if ($code_length > 0 &&
4452: $code_type =~/^(letter|number|-1)/) {
4453: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
4454: }
4455: }
4456: if ($codechoice eq '') {
4457: $codechoice='<choice computer="default">Default</choice>';
4458: }
4459: my $anon1 = &generate_code_selector($helper,
4460: 'CHOOSE_ANON1',
4461: 'SELECT_PROBLEMS',
4462: $codechoice,
4463: $code_selection,
4464: $namechoice) . $resource_selector;
4465:
4466:
4467: &Apache::lonxml::xmlparse($r, 'helper',$anon1);
4468:
4469: my $anon_page = &generate_code_selector($helper,
4470: 'CHOOSE_ANON1_PAGE',
4471: 'SELECT_PROBLEMS_PAGE',
4472: $codechoice,
4473: $code_selection,
4474: $namechoice) .
4475: &generate_resource_chooser('SELECT_PROBLEMS_PAGE',
4476: 'Select Problem(s) to print',
4477: "multichoice='1' addstatus='1' closeallpages ='1'",
4478: 'RESOURCES',
4479: 'PRINT_FORMATTING',
4480: $url,
4481: $isProblem, '', $symbFilter,
4482: $start_new_option);
4483: &Apache::lonxml::xmlparse($r, 'helper', $anon_page);
4484:
4485:
4486: if ($helper->{VARS}->{'assignment'}) {
4487:
4488: # Assignment printing:
4489:
4490: 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'];
4491: 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'];
4492: }
4493:
4494:
4495: $resource_selector=<<RESOURCE_SELECTOR;
4496: <state name="SELECT_RESOURCES" title="Select Resources">
4497: $randomly_ordered_warning
4498: <nextstate>PRINT_FORMATTING</nextstate>
4499: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
4500: <resource variable="RESOURCES" multichoice="1" addstatus="1"
4501: closeallpages="1">
4502: <filterfunc>return $isNotMap;</filterfunc>
4503: <mapurl>$map</mapurl>
4504: <valuefunc>return $symbFilter;</valuefunc>
4505: $start_new_option
4506: </resource>
4507: </state>
4508: RESOURCE_SELECTOR
4509:
4510: $resource_selector .= &generate_format_selector($helper,
4511: 'Format of the print job',
4512: 'PRINT_FORMATTING');
4513: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
4514: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
4515: <choices variable='student_sort'>
4516: <choice computer='0'>Sort by section then student</choice>
4517: <choice computer='1'>Sort by students across sections.</choice>
4518: </choices>
4519: <message><br /><hr /><br /></message>
4520: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
4521:
4522: </state>
4523: $resource_selector
4524: CHOOSE_STUDENTS1
4525:
4526: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
4527: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
4528: <nextstate>SELECT_RESOURCES</nextstate>
4529: <message><h4>Fill out one of the forms below</h4></message>
4530: <message><br /><hr /> <br /></message>
4531: <message><h3>Generate new CODEd Assignments</h3></message>
4532: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
4533: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
4534: <validator>
4535: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
4536: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4537: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
4538: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4539: return "You need to specify the number of assignments to print";
4540: }
4541: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
4542: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
4543: return 'Specifying number of codes to print and a specific code is not compatible';
4544: }
4545: return undef;
4546: </validator>
4547: </string>
4548: <message></td></tr><tr><td></message>
4549: <message><b>Names to save the CODEs under for later:</b></message>
4550: <message></td><td></message>
4551: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
4552: <message></td></tr><tr><td></message>
4553: <message><b>Bubblesheet type:</b></message>
4554: <message></td><td></message>
4555: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
4556: $codechoice
4557: </dropdown>
4558: <message></td></tr><tr><td></table></message>
4559: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
4560: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
4561: <string variable="SINGLE_CODE" size="10">
4562: <validator>
4563: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
4564: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4565: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4566: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
4567: \$helper->{'VARS'}{'CODE_OPTION'});
4568: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
4569: return 'Specifying a code name is incompatible specifying number of codes.';
4570: } else {
4571: return undef; # Other forces control us.
4572: }
4573: </validator>
4574: </string>
4575: <message></td></tr><tr><td></message>
4576: $code_selection
4577: <message></td></tr></table></message>
4578: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
4579: <message><b>Select saved CODEs:</b></message>
4580: <message></td><td></message>
4581: <dropdown variable="REUSE_OLD_CODES">
4582: $namechoice
4583: </dropdown>
4584: <message></td></tr></table></message>
4585: </state>
4586: $resource_selector
4587: CHOOSE_ANON2
4588: }
4589:
4590: # FIXME: That RE should come from a library somewhere.
4591: if (($perm{'pav'}
4592: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
4593: && (defined($helper->{'VARS'}->{'construction'})
4594: ||
4595: (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
4596: &&
4597: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
4598: ))
4599: && $helper->{VARS}->{'assignment'} eq ""
4600: ) {
4601: my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
4602: 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'];
4603: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
4604: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
4605:
4606: <files variable="FILES" multichoice='1'>
4607: <nextstate>PAGESIZE</nextstate>
4608: <filechoice>return '$subdir';</filechoice>
4609: CHOOSE_FROM_SUBDIR
4610:
4611: # this is broken up because I really want interpolation above,
4612: # and I really DON'T want it below
4613: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
4614: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
4615: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
4616: </filefilter>
4617: </files>
4618: </state>
4619: CHOOSE_FROM_SUBDIR
4620: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4621: }
4622:
4623: # Allow the user to select any sequence in the course, feed it to
4624: # another resource selector for that sequence
4625: if (!$helper->{VARS}->{'construction'} && !$is_published) {
4626: push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
4627: 'select_sequences', 'CHOOSE_SEQUENCE'];
4628: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
4629: #Escape apostrophes and backslashes for Perl
4630: $escapedSequenceName =~ s/\\/\\\\/g;
4631: $escapedSequenceName =~ s/'/\\'/g;
4632: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
4633: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
4634: <message>Select the sequence to print resources from:</message>
4635: <resource variable="SEQUENCE">
4636: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
4637: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
4638: <valuefunc>return $urlValue;</valuefunc>
4639: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
4640: </choicefunc>
4641: </resource>
4642: </state>
4643: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
4644: <message>(mark desired resources then click "next" button) <br /></message>
4645: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
4646: closeallpages="1">
4647: <nextstate>PAGESIZE</nextstate>
4648: <filterfunc>return $isNotMap</filterfunc>
4649: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
4650: <valuefunc>return $symbFilter;</valuefunc>
4651: $start_new_option
4652: </resource>
4653: </state>
4654: CHOOSE_FROM_ANY_SEQUENCE
4655: }
4656:
4657: # Generate the first state, to select which resources get printed.
4658: Apache::lonhelper::state->new("START", "Select Printing Options:");
4659: if (!$res_printable) {
4660: $paramHash = Apache::lonhelper::getParamHash();
4661: $paramHash->{MESSAGE_TEXT} =
4662: &mt('[_1]Printing for current resource is only possible between [_2] and [_3]',
4663: '<p><b>',$res_printstartdate, $res_printenddate.'</b></p>');
4664: Apache::lonhelper::message->new();
4665: }
4666: $paramHash = Apache::lonhelper::getParamHash();
4667: $paramHash = Apache::lonhelper::getParamHash();
4668: $paramHash->{MESSAGE_TEXT} = "";
4669: Apache::lonhelper::message->new();
4670: $paramHash = Apache::lonhelper::getParamHash();
4671: $paramHash->{'variable'} = 'PRINT_TYPE';
4672: $paramHash->{CHOICES} = $printChoices;
4673: Apache::lonhelper::choices->new();
4674:
4675: my $startedTable = 0; # have we started an HTML table yet? (need
4676: # to close it later)
4677:
4678: if (($perm{'pav'} and $perm{'vgr'}) or
4679: ($helper->{VARS}->{'construction'} eq '1')) {
4680: &addMessage('<br />'
4681: .'<h3>'.&mt('Print Options').'</h3>'
4682: .&Apache::lonhtmlcommon::start_pick_box()
4683: .&Apache::lonhtmlcommon::row_title(
4684: '<label for="ANSWER_TYPE_forminput">'
4685: .&mt('Print Answers')
4686: .'</label>'
4687: )
4688: );
4689: $paramHash = Apache::lonhelper::getParamHash();
4690: $paramHash->{'variable'} = 'ANSWER_TYPE';
4691: $helper->declareVar('ANSWER_TYPE');
4692: $paramHash->{CHOICES} = [
4693: ['Without Answers', 'yes'],
4694: ['With Answers', 'no'],
4695: ['Only Answers', 'only']
4696: ];
4697: Apache::lonhelper::dropdown->new();
4698: &addMessage(&Apache::lonhtmlcommon::row_closure());
4699: $startedTable = 1;
4700:
4701: #
4702: # Select font size.
4703: #
4704:
4705: $helper->declareVar('fontsize');
4706: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
4707: my $xmlfrag = << "FONT_SELECTION";
4708:
4709:
4710: <dropdown variable='fontsize' multichoice='0', allowempty='0'>
4711: <defaultvalue>
4712: return 'normalsize';
4713: </defaultvalue>
4714: <choice computer='tiny'>Tiny</choice>
4715: <choice computer='sub/superscriptsize'>Script Size</choice>
4716: <choice computer='footnotesize'>Footnote Size</choice>
4717: <choice computer='small'>Small</choice>
4718: <choice computer='normalsize'>Normal (default)</choice>
4719: <choice computer='large'>larger than normal</choice>
4720: <choice computer='Large'>Even larger than normal</choice>
4721: <choice computer='LARGE'>Still larger than normal</choice>
4722: <choice computer='huge'>huge font size</choice>
4723: <choice computer='Huge'>Largest possible size</choice>
4724: </dropdown>
4725: FONT_SELECTION
4726: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4727: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4728: }
4729:
4730: if ($perm{'pav'}) {
4731: if (!$startedTable) {
4732: addMessage("<hr width='33%' /><table><tr><td align='right'>".
4733: '<label for="LATEX_TYPE_forminput">'.
4734: &mt('LaTeX mode').
4735: "</label>: </td><td>");
4736: $startedTable = 1;
4737: } else {
4738: &addMessage(&Apache::lonhtmlcommon::row_title(
4739: '<label for="LATEX_TYPE_forminput">'
4740: .&mt('LaTeX mode')
4741: .'</label>'
4742: )
4743: );
4744: }
4745: $paramHash = Apache::lonhelper::getParamHash();
4746: $paramHash->{'variable'} = 'LATEX_TYPE';
4747: $helper->declareVar('LATEX_TYPE');
4748: if ($helper->{VARS}->{'construction'} eq '1') {
4749: $paramHash->{CHOICES} = [
4750: ['standard LaTeX mode', 'standard'],
4751: ['LaTeX batchmode', 'batchmode'], ];
4752: } else {
4753: $paramHash->{CHOICES} = [
4754: ['LaTeX batchmode', 'batchmode'],
4755: ['standard LaTeX mode', 'standard'] ];
4756: }
4757: Apache::lonhelper::dropdown->new();
4758:
4759: &addMessage(&Apache::lonhtmlcommon::row_closure()
4760: .&Apache::lonhtmlcommon::row_title(
4761: '<label for="TABLE_CONTENTS_forminput">'
4762: .&mt('Print Table of Contents')
4763: .'</label>'
4764: )
4765: );
4766: $paramHash = Apache::lonhelper::getParamHash();
4767: $paramHash->{'variable'} = 'TABLE_CONTENTS';
4768: $helper->declareVar('TABLE_CONTENTS');
4769: $paramHash->{CHOICES} = [
4770: ['No', 'no'],
4771: ['Yes', 'yes'] ];
4772: Apache::lonhelper::dropdown->new();
4773: &addMessage(&Apache::lonhtmlcommon::row_closure());
4774:
4775: if (not $helper->{VARS}->{'construction'}) {
4776: &addMessage(&Apache::lonhtmlcommon::row_title(
4777: '<label for="TABLE_INDEX_forminput">'
4778: .&mt('Print Index')
4779: .'</label>'
4780: )
4781: );
4782: $paramHash = Apache::lonhelper::getParamHash();
4783: $paramHash->{'variable'} = 'TABLE_INDEX';
4784: $helper->declareVar('TABLE_INDEX');
4785: $paramHash->{CHOICES} = [
4786: ['No', 'no'],
4787: ['Yes', 'yes'] ];
4788: Apache::lonhelper::dropdown->new();
4789: &addMessage(&Apache::lonhtmlcommon::row_closure());
4790: &addMessage(&Apache::lonhtmlcommon::row_title(
4791: '<label for="PRINT_DISCUSSIONS_forminput">'
4792: .&mt('Print Discussions')
4793: .'</label>'
4794: )
4795: );
4796: $paramHash = Apache::lonhelper::getParamHash();
4797: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
4798: $helper->declareVar('PRINT_DISCUSSIONS');
4799: $paramHash->{CHOICES} = [
4800: ['No', 'no'],
4801: ['Yes', 'yes'] ];
4802: Apache::lonhelper::dropdown->new();
4803: &addMessage(&Apache::lonhtmlcommon::row_closure());
4804:
4805: # Prompt for printing annotations too.
4806:
4807: &addMessage(&Apache::lonhtmlcommon::row_title(
4808: '<label for="PRINT_ANNOTATIONS_forminput">'
4809: .&mt('Print Annotations')
4810: .'</label>'
4811: )
4812: );
4813: $paramHash = Apache::lonhelper::getParamHash();
4814: $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
4815: $helper->declareVar("PRINT_ANNOTATIONS");
4816: $paramHash->{CHOICES} = [
4817: ['No', 'no'],
4818: ['Yes', 'yes']];
4819: Apache::lonhelper::dropdown->new();
4820: &addMessage(&Apache::lonhtmlcommon::row_closure());
4821:
4822: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
4823: $paramHash = Apache::lonhelper::getParamHash();
4824: $paramHash->{'multichoice'} = "true";
4825: $paramHash->{'allowempty'} = "true";
4826: $paramHash->{'variable'} = "showallfoils";
4827: $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
4828: Apache::lonhelper::choices->new();
4829: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4830: }
4831:
4832: if ($helper->{'VARS'}->{'construction'}) {
4833: my $stylevalue='$Apache::lonnet::env{"construct.style"}';
4834: my $randseedtext=&mt("Use random seed");
4835: my $stylefiletext=&mt("Use style file");
4836: my $selectfiletext=&mt("Select style file");
4837:
4838: my $xmlfrag .= '<message>'
4839: .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
4840: .$randseedtext
4841: .'</label>'
4842: )
4843: .'</message>
4844: <string variable="curseed" size="15" maxlength="15">
4845: <defaultvalue>
4846: return '.$helper->{VARS}->{'curseed'}.';
4847: </defaultvalue>'
4848: .'</string>'
4849: .'<message>'
4850: .&Apache::lonhtmlcommon::row_closure()
4851: .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
4852: .$stylefiletext
4853: .'</label>'
4854: )
4855: .'</message>
4856: <string variable="style_file" size="40">
4857: <defaultvalue>
4858: return '.$stylevalue.';
4859: </defaultvalue>
4860: </string><message> '
4861: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
4862: .$selectfiletext.'</a>'
4863: .&Apache::lonhtmlcommon::row_closure()
4864: .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
4865: .'</message>
4866: <choices allowempty="1" multichoice="true" variable="showallfoils">
4867: <choice computer="1"> </choice>
4868: </choices>'
4869: .'<message>'
4870: .&Apache::lonhtmlcommon::row_closure()
4871: .'</message>';
4872: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4873:
4874:
4875: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
4876: #
4877: # Initial value from construction space:
4878: #
4879: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4880: $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value
4881: }
4882: $xmlfrag = << "PROBTYPE";
4883: <dropdown variable="probstatus" multichoice="0" allowempty="0">
4884: <defaultvalue>
4885: return "$helper->{VARS}->{'probstatus'}";
4886: </defaultvalue>
4887: <choice computer="problem">Homework Problem</choice>
4888: <choice computer="exam">Exam Problem</choice>
4889: <choice computer="survey">Survey question</choice>
4890: ,choice computer="anonsurvey"Anonymous survey question</choice>
4891: </dropdown>
4892: PROBTYPE
4893: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4894: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4895:
4896:
4897:
4898: }
4899: }
4900:
4901:
4902:
4903:
4904: if ($startedTable) {
4905: &addMessage(&Apache::lonhtmlcommon::end_pick_box());
4906: }
4907:
4908: Apache::lonprintout::page_format_state->new("FORMAT");
4909:
4910: # Generate the PAGESIZE state which will offer the user the margin
4911: # choices if they select one column
4912: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
4913: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
4914:
4915:
4916: $helper->process();
4917:
4918:
4919: # MANUAL BAILOUT CONDITION:
4920: # If we're in the "final" state, bailout and return to handler
4921: if ($helper->{STATE} eq 'FINAL') {
4922: return $helper;
4923: }
4924:
4925: my $footer;
4926: if ($helper->{STATE} eq 'START') {
4927: my $prtspool=$r->dir_config('lonPrtDir');
4928: $footer = &recently_generated($prtspool);
4929: }
4930: $r->print($helper->display($footer));
4931: &Apache::lonhelper::unregisterHelperTags();
4932:
4933: return OK;
4934: }
4935:
4936:
4937: 1;
4938:
4939: package Apache::lonprintout::page_format_state;
4940:
4941: =pod
4942:
4943: =head1 Helper element: page_format_state
4944:
4945: See lonhelper.pm documentation for discussion of the helper framework.
4946:
4947: Apache::lonprintout::page_format_state is an element that gives the
4948: user an opportunity to select the page layout they wish to print
4949: with: Number of columns, portrait/landscape, and paper size. If you
4950: want to change the paper size choices, change the @paperSize array
4951: contents in this package.
4952:
4953: page_format_state is always directly invoked in lonprintout.pm, so there
4954: is no tag interface. You actually pass parameters to the constructor.
4955:
4956: =over 4
4957:
4958: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
4959:
4960: =back
4961:
4962: =cut
4963:
4964: use Apache::lonhelper;
4965:
4966: no strict;
4967: @ISA = ("Apache::lonhelper::element");
4968: use strict;
4969: use Apache::lonlocal;
4970: use Apache::lonnet;
4971:
4972: my $maxColumns = 2;
4973: # it'd be nice if these all worked
4974: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
4975: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
4976: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
4977: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
4978: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
4979: "a4 [210x297 mm]");
4980:
4981: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
4982: # Paper type
4983:
4984: sub new {
4985: my $self = Apache::lonhelper::element->new();
4986:
4987: shift;
4988:
4989: $self->{'variable'} = shift;
4990: my $helper = Apache::lonhelper::getHelper();
4991: $helper->declareVar($self->{'variable'});
4992: bless($self);
4993: return $self;
4994: }
4995:
4996: sub render {
4997: my $self = shift;
4998: my $helper = Apache::lonhelper::getHelper();
4999: my $result = '';
5000: my $var = $self->{'variable'};
5001: my $PageLayout=&mt('Page layout');
5002: my $NumberOfColumns=&mt('Number of columns');
5003: my $PaperType=&mt('Paper type');
5004: my $landscape=&mt('Landscape');
5005: my $portrait=&mt('Portrait');
5006: my $pdfFormLabel=&mt('PDF-Formfields');
5007: my $with=&mt('with Formfields');
5008: my $without=&mt('without Formfields');
5009:
5010:
5011: $result.='<h3>'.&mt('Layout Options').'</h3>'
5012: .&Apache::loncommon::start_data_table()
5013: .&Apache::loncommon::start_data_table_header_row()
5014: .'<th>'.$PageLayout.'</th>'
5015: .'<th>'.$NumberOfColumns.'</th>'
5016: .'<th>'.$PaperType.'</th>'
5017: .'<th>'.$pdfFormLabel.'</th>'
5018: .&Apache::loncommon::end_data_table_header_row()
5019: .&Apache::loncommon::start_data_table_row()
5020: .'<td>'
5021: .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
5022: .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
5023: .'</td>';
5024:
5025: $result.='<td align="center">'
5026: .'<select name="'.${var}.'.cols">';
5027:
5028: my $i;
5029: for ($i = 1; $i <= $maxColumns; $i++) {
5030: if ($i == 2) {
5031: $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
5032: } else {
5033: $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
5034: }
5035: }
5036:
5037: $result .= "</select></td><td>\n";
5038: $result .= "<select name='${var}.paper'>\n";
5039:
5040: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
5041: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
5042: $DefaultPaperSize=~s/\s//g;
5043: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
5044: $i = 0;
5045: foreach (@paperSize) {
5046: $_=~/(\w+)/;
5047: my $papersize=$1;
5048: if ($paperSize[$i]=~/$DefaultPaperSize/) {
5049: $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
5050: } else {
5051: $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
5052: }
5053: $i++;
5054: }
5055: $result .= <<HTML;
5056: </select>
5057: </td>
5058: <td align='center'>
5059: <select name='${var}.pdfFormFields'>
5060: <option selected="selected" value="no">$without</option>
5061: <option value="yes">$with</option>
5062: </select>
5063: </td>
5064: HTML
5065: $result.=&Apache::loncommon::end_data_table_row()
5066: .&Apache::loncommon::end_data_table();
5067:
5068: return $result;
5069: }
5070:
5071: sub postprocess {
5072: my $self = shift;
5073:
5074: my $var = $self->{'variable'};
5075: my $helper = Apache::lonhelper->getHelper();
5076: $helper->{VARS}->{$var} =
5077: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
5078: $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
5079: return 1;
5080: }
5081:
5082: 1;
5083:
5084: package Apache::lonprintout::page_size_state;
5085:
5086: =pod
5087:
5088: =head1 Helper element: page_size_state
5089:
5090: See lonhelper.pm documentation for discussion of the helper framework.
5091:
5092: Apache::lonprintout::page_size_state is an element that gives the
5093: user the opportunity to further refine the page settings if they
5094: select a single-column page.
5095:
5096: page_size_state is always directly invoked in lonprintout.pm, so there
5097: is no tag interface. You actually pass parameters to the constructor.
5098:
5099: =over 4
5100:
5101: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
5102:
5103: =back
5104:
5105: =cut
5106:
5107: use Apache::lonhelper;
5108: use Apache::lonnet;
5109: no strict;
5110: @ISA = ("Apache::lonhelper::element");
5111: use strict;
5112:
5113:
5114:
5115: sub new {
5116: my $self = Apache::lonhelper::element->new();
5117:
5118: shift; # disturbs me (probably prevents subclassing) but works (drops
5119: # package descriptor)... - Jeremy
5120:
5121: $self->{'variable'} = shift;
5122: my $helper = Apache::lonhelper::getHelper();
5123: $helper->declareVar($self->{'variable'});
5124:
5125: # The variable name of the format element, so we can look into
5126: # $helper->{VARS} to figure out whether the columns are one or two
5127: $self->{'formatvar'} = shift;
5128:
5129:
5130: $self->{NEXTSTATE} = shift;
5131: bless($self);
5132:
5133: return $self;
5134: }
5135:
5136: sub render {
5137: my $self = shift;
5138: my $helper = Apache::lonhelper::getHelper();
5139: my $result = '';
5140: my $var = $self->{'variable'};
5141:
5142:
5143:
5144: if (defined $self->{ERROR_MSG}) {
5145: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
5146: }
5147:
5148: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5149:
5150: # Use format to get sensible defaults for the margins:
5151:
5152:
5153: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5154: ($papersize) = split(/ /, $papersize);
5155:
5156: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5157:
5158:
5159:
5160: my %size;
5161: ($size{'width_and_units'},
5162: $size{'height_and_units'},
5163: $size{'margin_and_units'})=
5164: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5165:
5166: foreach my $dimension ('width','height','margin') {
5167: ($size{$dimension},$size{$dimension.'_unit'}) =
5168: split(/ +/, $size{$dimension.'_and_units'},2);
5169:
5170: foreach my $unit ('cm','in') {
5171: $size{$dimension.'_options'} .= '<option ';
5172: if ($size{$dimension.'_unit'} eq $unit) {
5173: $size{$dimension.'_options'} .= 'selected="selected" ';
5174: }
5175: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
5176: }
5177: }
5178:
5179: # Adjust margin for LaTeX margin: .. requires units == cm or in.
5180:
5181: if ($size{'margin_unit'} eq 'in') {
5182: $size{'margin'} += 1;
5183: } else {
5184: $size{'margin'} += 2.54;
5185: }
5186: my %lt = &Apache::lonlocal::texthash(
5187: 'format' => 'How should each column be formatted?',
5188: 'width' => 'Width',
5189: 'height' => 'Height',
5190: 'margin' => 'Left Margin'
5191: );
5192:
5193: $result .= '<p>'.$lt{'format'}.'</p>'
5194: .&Apache::lonhtmlcommon::start_pick_box()
5195: .&Apache::lonhtmlcommon::row_title($lt{'width'})
5196: .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
5197: .'<select name="'.$var.'.widthunit">'
5198: .$size{'width_options'}
5199: .'</select>'
5200: .&Apache::lonhtmlcommon::row_closure()
5201: .&Apache::lonhtmlcommon::row_title($lt{'height'})
5202: .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
5203: .'<select name="'.$var.'.heightunit">'
5204: .$size{'height_options'}
5205: .'</select>'
5206: .&Apache::lonhtmlcommon::row_closure()
5207: .&Apache::lonhtmlcommon::row_title($lt{'margin'})
5208: .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
5209: .'<select name="'.$var.'.lmarginunit">'
5210: .$size{'margin_options'}
5211: .'</select>'
5212: .&Apache::lonhtmlcommon::row_closure(1)
5213: .&Apache::lonhtmlcommon::end_pick_box();
5214: # <p>Hint: Some instructors like to leave scratch space for the student by
5215: # making the width much smaller than the width of the page.</p>
5216:
5217: return $result;
5218: }
5219:
5220:
5221: sub preprocess {
5222: my $self = shift;
5223: my $helper = Apache::lonhelper::getHelper();
5224:
5225: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5226:
5227: # If the user does not have 'pav' privilege, set default widths and
5228: # on to the next state right away.
5229: #
5230: if (!$perm{'pav'}) {
5231: my $var = $self->{'variable'};
5232: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5233:
5234: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5235: ($papersize) = split(/ /, $papersize);
5236:
5237:
5238: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5239:
5240: # Figure out some good defaults for the print out and set them:
5241:
5242: my %size;
5243: ($size{'width'},
5244: $size{'height'},
5245: $size{'lmargin'})=
5246: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5247:
5248: foreach my $dim ('width', 'height', 'lmargin') {
5249: my ($value, $units) = split(/ /, $size{$dim});
5250:
5251: $helper->{VARS}->{"$var.".$dim} = $value;
5252: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
5253:
5254: }
5255:
5256:
5257: # Transition to the next state
5258:
5259: $helper->changeState($self->{NEXTSTATE});
5260: }
5261:
5262: return 1;
5263: }
5264:
5265: sub postprocess {
5266: my $self = shift;
5267:
5268: my $var = $self->{'variable'};
5269: my $helper = Apache::lonhelper->getHelper();
5270: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
5271: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
5272: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
5273: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
5274: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
5275: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
5276:
5277: my $error = '';
5278:
5279: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
5280: # by an optional period, followed by digits, ending the string
5281:
5282: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5283: $error .= "Invalid width; please type only a number.<br />\n";
5284: }
5285: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5286: $error .= "Invalid height; please type only a number.<br />\n";
5287: }
5288: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5289: $error .= "Invalid left margin; please type only a number.<br />\n";
5290: } else {
5291: # Adjust for LaTeX 1.0 inch margin:
5292:
5293: if ($env{"form.${var}.lmarginunit"} eq "in") {
5294: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
5295: } else {
5296: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
5297: }
5298: }
5299:
5300: if (!$error) {
5301: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
5302: return 1;
5303: } else {
5304: $self->{ERROR_MSG} = $error;
5305: return 0;
5306: }
5307: }
5308:
5309: __END__
5310:
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