1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.627.2.23.2.1 2019/02/05 19:03:38 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: # http://www.lon-capa.org/
26: #
27: #
28: package Apache::lonprintout;
29: use strict;
30: use Apache::Constants qw(:common :http);
31: use Apache::lonxml;
32: use Apache::lonnet;
33: use Apache::loncommon;
34: use Apache::inputtags;
35: use Apache::grades;
36: use Apache::edit;
37: use Apache::File();
38: use Apache::lonnavmaps;
39: use Apache::admannotations;
40: use Apache::lonenc;
41: use Apache::entities;
42: use Apache::londefdef;
43: # use Apache::structurelags; # for language management.
44:
45: use File::Basename;
46:
47: use HTTP::Response;
48: use LONCAPA::map();
49: use Apache::lonlocal;
50: use Carp;
51: use LONCAPA;
52:
53:
54: my %perm;
55: my %parmhash;
56: my $resources_printed;
57:
58: # Global variables that describe errors in ssi calls detected by ssi_with_retries.
59: #
60:
61: my $ssi_error; # True if there was an ssi error.
62: my $ssi_last_error_resource; # The resource URI that could not be fetched.
63: my $ssi_last_error; # The error text from the server. (e.g. 500 Server timed out).
64:
65: #
66: # Our ssi max retry count.
67: #
68:
69: my $ssi_retry_count = 5; # Some arbitrary value.
70:
71:
72: # Font size:
73:
74: my $font_size = 'normalsize'; # Default is normalsize...
75:
76: #---------------------------- Helper helpers. -------------------------
77:
78: ##
79: # Filter function to determine if a resource is a printable sequence.
80: #
81: # @param $res -Resource to check.
82: #
83: # @return 1 - printable and a resource
84: # 0 - either notm a sequence or not printable.
85: #
86: sub printable_sequence {
87: my $res = shift;
88:
89: # Non-sequences are not listed:
90:
91: if (!$res->is_sequence()) {
92: return 0;
93: }
94:
95: # Person with pav or pfo can always print:
96:
97: if ($perm{'pav'} || $perm{'pfo'}) {
98: return 1;
99: }
100:
101: if ($res->is_sequence()) {
102: my $symb = $res->symb();
103: my $navmap = $res->{NAV_MAP};
104:
105: # Find the first resource in the map:
106:
107: my $iterator = $navmap->getIterator($res, undef, undef, 1, 1);
108: my $first = $iterator->next();
109:
110: while (1) {
111: if ($first == $iterator->END_ITERATOR) { last; }
112: if (ref($first) && ! $first->is_sequence()) {last; }
113: $first = $iterator->next();
114: }
115:
116:
117: # Might be an empty map:
118:
119: if (!ref($first)) {
120: return 0;
121: }
122: my $partsref = $first->parts();
123: my @parts = @$partsref;
124: my ($open, $close) = $navmap->map_printdates($first, $parts[0]);
125: return &printable($open, $close);
126: }
127: return 0;
128: }
129:
130: # BZ5209:
131: # Create the states needed to run the helper for incomplete problems from
132: # the current folder for selected students.
133: # This includes:
134: # - A resource selector limited to problems (incompleteness must be
135: # calculated on a student per student basis.
136: # - A student selector.
137: # - Tie in to the FORMAT of the print job.
138: #
139: # States:
140: # CHOOSE_INCOMPLETE_PEOPLE_SEQ - Resource selection.
141: # CHOOSE_STUDENTS_INCOMPLETE - Student selection.
142: # CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection
143: # Parameters:
144: # helper - the helper which already contains info about the current folder we can
145: # purloin.
146: # url - Top url of the sequence
147: # Return:
148: # XML that can be parsed by the helper to drive the state machine.
149: #
150: sub create_incomplete_folder_selstud_helper {
151: my ($helper, $map) = @_;
152:
153:
154: my $symbFilter = '$res->shown_symb()';
155: my $selFilter = '$res->is_problem()';
156:
157:
158: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ',
159: 'Select problem(s) to print',
160: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
161: 'RESOURCES',
162: 'CHOOSE_STUDENTS_INCOMPLETE',
163: $map,
164: $selFilter,
165: '',
166: $symbFilter,
167: '');
168:
169: my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE',
170: 'student_sort',
171: 'STUDENTS',
172: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT');
173:
174: my $format_chooser = &generate_format_selector($helper,
175: 'Format of the print job',
176: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
177:
178: return $resource_chooser . $student_chooser . $format_chooser;
179: }
180:
181:
182: # BZ 5209
183: # Create the states needed to run the helper for incomplete problems from
184: # the current folder for selected students.
185: # This includes:
186: # - A resource selector limited to problems. (incompleteness must be calculated
187: # on a student per student basis.
188: # - A student selector.
189: # - Tie in to format for the print job.
190: # States:
191: # INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector.
192: # INCOMPLETE_PROBLEMS_COURSE_STUDENTS - Student selector.
193: # INCOMPLETE_PROBLEMS_COURSE_FORMAT - Format selection.
194: #
195: # Parameters:
196: # helper - Helper we are creating states for.
197: # Returns:
198: # Text that can be parsed by the helper.
199: #
200:
201: sub create_incomplete_course_helper {
202: my $helper = shift;
203:
204: my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
205: my $symbfilter = '$res->shown_symb()';
206:
207: my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES',
208: 'Select problem(s) to print',
209: 'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1"',
210: 'RESOURCES',
211: 'INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
212: '',
213: $filter,
214: '',
215: $symbfilter,
216: '');
217:
218: my $people_chooser = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
219: 'student_sort',
220: 'STUDENTS',
221: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT');
222:
223: my $format = &generate_format_selector($helper,
224: 'Format of the print job',
225: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
226:
227: return $resource_chooser . $people_chooser . $format;
228:
229:
230: }
231:
232: # BZ5209
233: # Creates the states needed to run the print helper for a student
234: # that wants to print his incomplete problems from the current folder.
235: # Parameters:
236: # $helper - helper we are generating states for.
237: # $map - The map for which the student wants incomplete problems.
238: # Returns:
239: # XML that defines the helper states being created.
240: #
241: # States:
242: # CHOOSE_INCOMPLETE_SEQ - Resource selector.
243: #
244: sub create_incomplete_folder_helper {
245: my ($helper, $map) = @_;
246:
247: my $filter = '$res->is_problem()';
248: $filter .= ' && $res->resprintable() ';
249: $filter .= ' && $res->is_incomplete() ';
250:
251: my $symfilter = '$res->shown_symb()';
252:
253: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ',
254: 'Select problem(s) to print',
255: 'multichoice="1", toponly ="1", addstatus="1", closeallpages="1"',
256: 'RESOURCES',
257: 'PAGESIZE',
258: $map,
259: $filter, '',
260: $symfilter,
261: '');
262:
263: return $resource_chooser;
264: }
265:
266:
267: # Returns the text neded for a student chooser.
268: # that text must still be parsed by the helper xml parser.
269: # Parameters:
270: # this_state - State name of the chooser.
271: # sort_choice - variable to hold the sorting choice.
272: # variable - Name of variable to hold students.
273: # next_state - State after chooser.
274:
275:
276: sub generate_student_chooser {
277: my ($this_state,
278: $sort_choice,
279: $variable,
280: $next_state) = @_;
281: my $result = <<CHOOSE_STUDENTS;
282: <state name="$this_state" title="Select Students and Resources">
283: <message><b>Select sorting order of printout</b> </message>
284:
285: <choices variable="$sort_choice">
286: <choice computer='0'>Sort by section then student</choice>
287: <choice computer='1'>Sort by students across sections.</choice>
288: </choices>
289:
290: <message><br /><hr /><br /> </message>
291: <student multichoice='1'
292: variable="$variable"
293: nextstate="$next_state"
294: coursepersonnel="1" />
295: </state>
296:
297: CHOOSE_STUDENTS
298:
299: return $result;
300: }
301:
302: # Generate the text needed for a resource chooser given the top level of
303: # the sequence/page
304: #
305: # Parameters:
306: # this_state - State name of the chooser.
307: # prompt_text - Text to use to prompt user.
308: # resource_options - Resource tag options e.g.
309: # "multichoice='1', toponly='1', addstatus='1'"
310: # that control the selection and appearance of the
311: # resource selector.
312: # variable - Name of the variable to hold the choice
313: # next_state - Name of the next state the helper should transition
314: # to
315: # top_url - Top level URL within which to make the selector.
316: # If empty the top level sequence is shown.
317: # filter - How to filter the resources.
318: # value_func - <valuefunc> function.
319: # choice_func - If not empty generates a <choicefunc> with this function.
320: # start_new_option
321: # - Fragment appended after valuefunc.
322: #
323: #
324: sub generate_resource_chooser {
325: my ($this_state,
326: $prompt_text,
327: $resource_options,
328: $variable,
329: $next_state,
330: $top_url,
331: $filter,
332: $choice_func,
333: $value_func,
334: $start_new_option) = @_;
335:
336: my $result = <<CHOOSE_RESOURCES;
337: <state name="$this_state" title="$prompt_text">
338: <resource variable="$variable" $resource_options
339: closeallpages="1">
340: <nextstate>$next_state</nextstate>
341: <filterfunc>return $filter;</filterfunc>
342: CHOOSE_RESOURCES
343: if ($choice_func ne '') {
344: $result .= "<choicefunc>return $choice_func;</choicefunc>";
345: }
346: if ($top_url ne '') {
347: $result .= "<mapurl>$top_url</mapurl>";
348: }
349: $result .= <<CHOOSE_RESOURCES;
350: <valuefunc>return $value_func;</valuefunc>
351: $start_new_option
352: </resource>
353: </state>
354: CHOOSE_RESOURCES
355: return $result;
356: }
357: #
358: # Generate the helper XML for a code choice helper dialog:
359: #
360: # Paramters:
361: # $helper - Reference to the helper.
362: # $state - Name of the state for the chooser.
363: # $next_state - Name fo the state to follow the chooser.
364: # $bubble_types - Populates the bubble sheet type dropt down.
365: # $code_selections - Provides set of code choices that have been used
366: # $saved_codes - Provides the list of saved codes.
367: #
368: # Returns;
369: # The Xml of the code chooser.
370: #
371: sub generate_code_selector {
372: my ($helper,
373: $state,
374: $next_state,
375: $bubble_types,
376: $code_selections,
377: $saved_codes) = @_; # Unpack the parameters.
378:
379: my $result = <<CHOOSE_ANON1;
380: <state name="$state" title="Specify CODEd Assignments">
381: <nextstate>$next_state</nextstate>
382: <message><h4>Fill out one of the forms below</h4></message>
383: <message><br /><hr /> <br /></message>
384: <message><h3>Generate new CODEd Assignments</h3></message>
385: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
386: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
387: <validator>
388: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
389: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
390: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
391: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
392:
393: return "You need to specify the number of assignments to print";
394: }
395: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
396: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
397: return 'Specifying number of codes to print and a specific code is not compatible';
398: }
399: return undef;
400: </validator>
401: </string>
402: <message></td></tr><tr><td></message>
403: <message><b>Names to save the CODEs under for later:</b></message>
404: <message></td><td></message>
405: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
406: <message></td></tr><tr><td></message>
407: <message><b>Bubblesheet type:</b></message>
408: <message></td><td></message>
409: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
410: $bubble_types
411: </dropdown>
412: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
413: <message></td></tr><tr><td></table></message>
414: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
415: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
416: <string variable="SINGLE_CODE" size="10">
417: <validator>
418: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
419: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
420: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
421: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
422: \$helper->{'VARS'}{'CODE_OPTION'});
423: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
424: return 'Specifying a code name is incompatible with specifying number of codes.';
425: } else {
426: return undef; # Other forces control us.
427: }
428: </validator>
429: </string>
430: <message></td></tr><tr><td></message>
431: $code_selections
432: <message></td></tr></table></message>
433: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
434: <message><b>Select saved CODEs:</b></message>
435: <message></td><td></message>
436: <dropdown variable="REUSE_OLD_CODES">
437: $saved_codes
438: </dropdown>
439: <message></td></tr></table></message>
440: </state>
441: CHOOSE_ANON1
442:
443: return $result;
444: }
445:
446: # Returns the XML for choosing how assignments are to be formatted
447: # that text must still be parsed by the helper xml parser.
448: # Parameters: 3 (required)
449:
450: # helper - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
451: # to check if splitting PDFs by section can be offered.
452: # title - Title for the current state.
453: # this_state - State name of the chooser.
454:
455: sub generate_format_selector {
456: my ($helper,$title,$this_state) = @_;
457: my $secpdfoption;
458: unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
459: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
460: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
461: $secpdfoption = '<choice computer="sections">Each PDF contains exactly one section</choice>';
462: }
463: return <<RESOURCE_SELECTOR;
464: <state name="$this_state" title="$title">
465: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
466: <choices variable="EMPTY_PAGES">
467: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
468: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
469: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
470: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
471: </choices>
472: <nextstate>PAGESIZE</nextstate>
473: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
474: <choices variable="SPLIT_PDFS">
475: <choice computer="all">All assignments in a single PDF file</choice>
476: $secpdfoption
477: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
478: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
479: Specify the number of assignments per PDF:</choice>
480: </choices>
481: </state>
482: RESOURCE_SELECTOR
483: }
484:
485: #-----------------------------------------------------------------------
486:
487: # Computes an open and close date from a list of open/close dates for a resource's
488: # parts.
489: #
490: # @param \@opens - reference to an array of open dates.
491: # @param \@closes - reference to an array of close dates.
492: #
493: # @return ($open, $close)
494: #
495: # @note If open/close dates are not defined they will be returned as undef
496: # @note It is possible for there to be no overlap in which case -1,-1
497: # will be returned.
498: # @note The algorithm used is to take the latest open date and the earliest end date.
499: #
500: sub compute_open_window {
501: my ($opensref, $closesref) = @_;
502:
503: my @opens = @$opensref;
504: my @closes = @$closesref;
505:
506: # latest open date:
507: my $latest_open;
508:
509: foreach my $open (@opens) {
510: if (!defined($latest_open) || ($open > $latest_open)) {
511: $latest_open = $open;
512: }
513: }
514: # Earliest close:
515:
516: my $earliest_close;
517: foreach my $close (@closes) {
518: if (!defined($earliest_close) || ($close < $earliest_close)) {
519: $earliest_close = $close;
520: }
521: }
522:
523: # If no overlap...both are -1 as promised.
524:
525: if (($earliest_close ne '') && ($latest_open ne '')
526: && ($earliest_close < $latest_open)) {
527: $latest_open = -1;
528: $earliest_close = -1;
529: }
530:
531: return ($latest_open, $earliest_close);
532:
533: }
534:
535: ##
536: # Determines if 'now' is within the set of printable dates.
537: #
538: # @param $open_date - Starting date/timestamp.
539: # @param $close_date - Ending date/timestamp.
540: #
541: # @return 0 - Not open.
542: # @return 1 - open.
543: #
544: sub printable {
545: my ($open_date, $close_date) = @_;
546:
547:
548: my $now = time();
549:
550: # Have to do a bit of fancy footwork around undefined open/close dates:
551:
552: if ($open_date && ($open_date > $now)) {
553: return 0;
554: }
555:
556: if ($close_date && ($close_date < $now)) {
557: return 0;
558: }
559:
560: return 1;
561:
562: }
563:
564: ##
565: # Returns the innermost print start/print end dates for a resource.
566: # This is done by looking at the start/end dates for its parts and choosing
567: # the intersection of those dates.
568: #
569: # @param res - lonnvamaps::resource object that represents the resource.
570: #
571: # @return (opendate, closedate)
572: #
573: # @note If open/close dates are not defined they will be returned as undef
574: # @note It is possible for there to be no overlap in which case -1,-1
575: # will be returned.
576: # @note The algorithm used is to take the latest open date and the earliest end date.
577: # For consistency with &printable() in lonnavmaps.pm determination of start
578: # date for printing checks printstartdate param first, then, if not set,
579: # opendate param, then, if not set, contentopen param.
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', $part);
599: if (!$partopen) {
600: $partopen = $res->parmval('opendate',$part);
601: }
602: if (!$partopen) {
603: $partopen = $res->parmval('contentopen',$part);
604: }
605: if ($partopen) {
606: push(@open_dates, $partopen);
607: }
608: if ($partclose) {
609: push(@close_dates, $partclose);
610: }
611: push(@open_dates, $partopen);
612: push(@close_dates, $partclose);
613: }
614: }
615:
616: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
617:
618: return ($open_date, $close_date);
619: }
620:
621: ##
622: # Get the dates for which a course says a resource can be printed. This is like
623: # get_print_dates but namvaps::course_print_dates are gotten...and not converted
624: # to times either.
625: #
626: # @param $res - Reference to a resource has from lonnvampas::resource.
627: #
628: # @return (opendate, closedate)
629: #
630: sub course_print_dates {
631: my $res = shift;
632: my $partsref = $res->parts();
633: my @parts = @$partsref;
634: my $open_date;
635: my $close_date;
636: my @open_dates;
637: my @close_dates;
638: my $navmap = $res->{NAV_MAP}; # Slightly OO dirty.
639:
640: # Don't bother looping over undefined or empty parts arraY;
641:
642: if (@parts) {
643: foreach my $part (@parts) {
644: my ($partopen, $partclose) = $navmap->course_printdates($res, $part);
645: push(@open_dates, $partopen);
646: push(@close_dates, $partclose);
647: }
648: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
649: }
650: return ($open_date, $close_date);
651: }
652: ##
653: # Same as above but for the enclosing map:
654: #
655: sub map_print_dates {
656: my $res = shift;
657: my $partsref = $res->parts();
658: my @parts = @$partsref;
659: my $open_date;
660: my $close_date;
661: my @open_dates;
662: my @close_dates;
663: my $navmap = $res->{NAV_MAP}; # slightly OO dirty.
664:
665:
666: # Don't bother looping over undefined or empty parts arraY;
667:
668: if (@parts) {
669: foreach my $part (@parts) {
670: my ($partopen, $partclose) = $navmap->map_printdates($res, $part);
671: push(@open_dates, $partopen);
672: push(@close_dates, $partclose);
673: }
674: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
675: }
676: return ($open_date, $close_date);
677: }
678:
679: # Determine if a resource is incomplete given the map:
680: # Parameters:
681: # $username - Name of user for whom we are checking.
682: # $domain - Domain of user we are checking.
683: # $map - map name.
684: # Returns:
685: # 0 - map is not incomplete.
686: # 1 - map is incomplete.
687: #
688: sub incomplete {
689: my ($username, $domain, $map) = @_;
690:
691:
692: my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
693:
694:
695: if (defined($navmap)) {
696: my $res = $navmap->getResourceByUrl($map);
697: my $result = $res->is_incomplete();
698: return $result;
699: } else {
700: return 1;
701: }
702: }
703: #
704: # When printing for students, the resources and order of the
705: # resources may need to be altered if there are folders with
706: # random selectiopn or random ordering (or both) enabled.
707: # This sub computes the set of resources to print for a student
708: # modified both by random ordering and selection and filtered
709: # to only those that are in the original set selected to be printed.
710: #
711: # Parameters:
712: # $map - The URL of the folder being printed.
713: # Used to determine which startResource and finishResource
714: # to use when using the navmap's getIterator method.
715: # $seq - The original set of resources to print.
716: # (really an array of resource names (array of symb's).
717: # $who - Student/domain for whome the sequence will be generated.
718: # $code - CODE being printed when printing Problems/Resources
719: # from folder for CODEd assignments
720: # $nohidemap - If true, parameter in map for hiddenresource will be
721: # ignored. The user calling the routine should have
722: # both the pav and vgr privileges if this is set to true).
723: #
724: # Implicit inputs:
725: # $
726: # Returns:
727: # reference to an array of resources that can be passed to
728: # print_resources.
729: #
730: sub master_seq_to_person_seq {
731: my ($map, $seq, $who, $code, $nohidemap) = @_;
732:
733:
734: my ($username, $userdomain, $usersection) = split(/:/, $who);
735:
736: # Toss the sequence up into a hash so that we have O(1) lookup time.
737: # on the items that come out of the user's list of resources.
738: #
739:
740: my %seq_hash = map {$_ => 1} @$seq;
741: my @output_seq;
742:
743: my $unhidden;
744: if ($nohidemap) {
745: $unhidden = &Apache::lonnet::clutter($map);
746: }
747:
748: my $navmap = Apache::lonnavmaps::navmap->new($username, $userdomain,
749: $code,$unhidden);
750: my ($start,$finish);
751:
752: if ($map) {
753: my $mapres = $navmap->getResourceByUrl($map);
754: if ($mapres->is_map()) {
755: $start = $mapres->map_start();
756: $finish = $mapres->map_finish();
757: }
758: }
759: unless ($start && $finish) {
760: $start = $navmap->firstResource();
761: $finish = $navmap->finishResource();
762: }
763:
764: my $iterator = $navmap->getIterator($start,$finish,{},1);
765:
766: # Iterate on the resource..select the items that are randomly selected
767: # and that are in the seq_has. Presumably the iterator will take care
768: # of the random ordering part of the deal.
769: my $curres;
770: while ($curres = $iterator->next()) {
771: #
772: # Only process resources..that are not removed by randomout...
773: # and are selected for printint as well.
774: #
775:
776: if (ref($curres) && ! $curres->randomout()) {
777: my $currsymb = $curres->symb();
778: if (exists($seq_hash{$currsymb})) {
779: push(@output_seq, $currsymb);
780: }
781: }
782: }
783:
784: return \@output_seq; # for now.
785:
786: }
787:
788:
789: # Fetch the contents of a resource, uninterpreted.
790: # This is used here to fetch a latex file to be included
791: # verbatim into the printout<
792: # NOTE: Ask Guy if there is a lonnet function similar to this?
793: #
794: # Parameters:
795: # URL of the file
796: #
797: sub fetch_raw_resource {
798: my ($url) = @_;
799:
800: my $filename = &Apache::lonnet::filelocation("", $url);
801: my $contents = &Apache::lonnet::getfile($filename);
802:
803: if ($contents == -1) {
804: return "File open failed for $filename"; # This will bomb the print.
805: }
806: return $contents;
807:
808:
809: }
810:
811: # Fetch the annotations associated with a URL and
812: # put a centered 'annotations:' title.
813: # This is all suppressed if the annotations are empty.
814: #
815: sub annotate {
816: my ($symb) = @_;
817:
818: my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
819:
820:
821: my $result = "";
822:
823: if (length($annotation_text) > 0) {
824: $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
825: $result .= "\n";
826: $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex.
827: $result .= "\n\n";
828: }
829: return $result;
830: }
831:
832: #
833: # Set a global document font size:
834: # This is done by replacing \begin{document}
835: # with \begin{document}{\some-font-directive
836: # and \end{document} with
837: # }\end{document
838: #
839: sub set_font_size {
840:
841: my ($text) = @_;
842:
843: # There appear to be cases where the font directive is empty.. in which
844: # case the first substituion would insert a spurious \ oh happy day.
845: # as this has been the cause of much mystery and hair pulling _sigh_
846:
847: if ($font_size ne '') {
848:
849: $text =~ s/\\begin\{document}/\\begin{document}{\\$font_size/;
850: }
851: $text =~ s/\\end\{document}/}\\end{document}/;
852: return $text;
853:
854:
855: }
856:
857: # include_pdf - PDF files are included into the
858: # output as follows:
859: # - The PDF, if necessary, is replicated.
860: # - The PDF is added to the list of files to convert to postscript (along with the images).
861: # - The LaTeX is added to include the final converted postscript in the file as an included
862: # job. The assumption is that the includedpsheader.ps header will be included.
863: #
864: # Parameters:
865: # pdf_uri - URI of the PDF file to include.
866: #
867: # Returns:
868: # The LaTeX to include.
869: #
870: # Assumptions:
871: # The uri is actually a PDF file
872: # The postscript will have the includepsheader.ps included.
873: #
874: #
875: sub include_pdf {
876: my ($pdf_uri) = @_;
877:
878: # Where is the file? If not local we'll need to repcopy it:'
879:
880: my $file = &Apache::lonnet::filelocation('', $pdf_uri);
881: if (! -e $file) {
882: &Apache::lonnet::repcopy($file);
883: $file = &Apache::lonnet::filelocation('',$pdf_uri);
884: }
885:
886: # The file isn ow replicated locally.. or it did not exist in the first place
887: # (unlikely). If it did exist, add the pdf to the set of files/images that
888: # need tob e converted for this print job:
889:
890: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
891: $file =~ s{(.*)/res/}{$londocroot/res/};
892:
893: open(FILE,">>","$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat");
894: print FILE ("$file\n");
895: close (FILE);
896:
897: # Construct the special to put out. To do this we need to get the
898: # resulting filename after conversion. The file will have the same name
899: # but will be in the user's spool directory with converted images.
900:
901: my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
902: my ( $base, $path, $ext) = &fileparse($file, '.pdf');
903: # my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
904: $base =~ s/ /\_/g;
905:
906:
907: my $output = &print_latex_header();
908: $output .= '\special{ps: _begin_job_ ('
909: .$base.'.pdf.eps'.
910: ')run _end_job_}';
911:
912: return $output;
913:
914:
915: }
916: ##
917: # Collect the various \select_language{language_name}
918: # latex tags to build a \usepackage[lang-list]{babel} which will
919: # appear just prior to the \begin{document} at the front of the concatenated
920: # set of resources:
921: # @param doc - The string of latex to search/replace.
922: # @return string
923: # @retval - the modified document stringt.
924: #
925: sub collect_languages {
926: my $doc = shift;
927: my %languages;
928: while ($doc =~ /\\selectlanguage\{(\w+)}/mg) {
929: $languages{$1} = 1; # allows us to request each language exactly once.
930: }
931: my @lang_list = (keys(%languages)); # List of unique languages
932: if (scalar @lang_list) {
933: my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n";
934: $doc =~ s/\\begin\{document}/$babel_header\\begin{document}/;
935: }
936: return $doc;
937: }
938: #-------------------------------------------------------------------
939:
940: #
941: # ssi_with_retries- Does the server side include of a resource.
942: # if the ssi call returns an error we'll retry it up to
943: # the number of times requested by the caller.
944: # If we still have a proble, no text is appended to the
945: # output and we set some global variables.
946: # to indicate to the caller an SSI error occurred.
947: # All of this is supposed to deal with the issues described
948: # in LonCAPA BZ 5631 see:
949: # http://bugs.lon-capa.org/show_bug.cgi?id=5631
950: # by informing the user that this happened.
951: #
952: # Parameters:
953: # resource - The resource to include. This is passed directly, without
954: # interpretation to lonnet::ssi.
955: # form - The form hash parameters that guide the interpretation of the resource
956: #
957: # retries - Number of retries allowed before giving up completely.
958: # Returns:
959: # On success, returns the rendered resource identified by the resource parameter.
960: # Side Effects:
961: # The following global variables can be set:
962: # ssi_error - If an unrecoverable error occurred this becomes true.
963: # It is up to the caller to initialize this to false
964: # if desired.
965: # ssi_last_error_resource - If an unrecoverable error occurred, this is the value
966: # of the resource that could not be rendered by the ssi
967: # call.
968: # ssi_last_error - The error string fetched from the ssi response
969: # in the event of an error.
970: #
971: sub ssi_with_retries {
972: my ($resource, $retries, %form) = @_;
973:
974: my $target = $form{'grade_target'};
975: my $aom = $form{'answer_output_mode'};
976:
977:
978:
979: my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
980: if (!$response->is_success) {
981: $ssi_error = 1;
982: $ssi_last_error_resource = $resource;
983: $ssi_last_error = $response->code . " " . $response->message;
984: $content='\section*{!!! An error occurred !!!}';
985: }
986:
987: return $content;
988:
989: }
990:
991: sub get_student_view_with_retries {
992: my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
993:
994: my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
995: if (!$response->is_success) {
996: $ssi_error = 1;
997: $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
998: $ssi_last_error = $response->code . " " . $response->message;
999: $content='\section*{!!! An error occurred !!!}';
1000: }
1001: return $content;
1002:
1003: }
1004:
1005: #
1006: # printf_style_subst item format_string repl
1007: #
1008: # Does printf style substitution for a format string that
1009: # can have %[n]item in it.. wherever, %[n]item occurs,
1010: # rep is substituted in format_string. Note that
1011: # [n] is an optional integer length. If provided,
1012: # repl is truncated to at most [n] characters prior to
1013: # substitution.
1014: #
1015: sub printf_style_subst {
1016: my ($item, $format_string, $repl) = @_;
1017: my $result = "";
1018: while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1019: my $fmt = $1;
1020: my $size = $2;
1021: my $subst = $repl;
1022: if ($size ne "") {
1023: $subst = substr($subst, 0, $size);
1024:
1025: # Here's a nice edge case.. supose the end of the
1026: # substring is a \. In that case may have just
1027: # chopped off a TeX escape... in that case, we append
1028: # " " for the trailing character, and let the field
1029: # spill over a bit (sigh).
1030: # We don't just chop off the last character in order to deal
1031: # with one last pathology, and that would be if substr had
1032: # trimmed us to e.g. \\\
1033:
1034:
1035: if ($subst =~ /\\$/) {
1036: $subst .= " ";
1037: }
1038: }
1039: my $item_pos = pos($format_string);
1040: $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
1041: $format_string = substr($format_string, pos($format_string));
1042: }
1043:
1044: # Put the residual format string into the result:
1045:
1046: $result .= $format_string;
1047:
1048: return $result;
1049: }
1050:
1051:
1052: # Format a header according to a format.
1053: #
1054:
1055: # Substitutions:
1056: # %a - Assignment name.
1057: # %c - Course name.
1058: # %n - Student name.
1059: # %s - The section if it is supplied.
1060: #
1061: sub format_page_header {
1062: my ($width, $format, $assignment, $course, $student) = @_;
1063:
1064:
1065:
1066: $width = &recalcto_mm($width); # Get width in mm.
1067: my $chars_per_line = int($width/2); # Character/textline.
1068:
1069: # Default format?
1070:
1071: if ($format eq '') {
1072: # For the default format, we may need to truncate
1073: # elements.. To do this we need to get the page width.
1074: # we assume that each character is about 2mm in width.
1075: # (correct for the header text size??). We ignore
1076: # any formatting (e.g. boldfacing in this).
1077: #
1078: # - Allow the student/course to be one line.
1079: # but only truncate the course.
1080: # - Allow the assignment to be 2 lines (wrapped).
1081: #
1082:
1083: my $firstline = "$student $course";
1084: if (length($firstline) > $chars_per_line) {
1085: my $lastchar = $chars_per_line - length($student) - 1;
1086: if ($lastchar > 0) {
1087: $course = substr($course, 0, $lastchar);
1088: } else { # Nothing left of course:
1089: $course = '';
1090: }
1091: }
1092: if (length($assignment) > $chars_per_line) {
1093: $assignment = substr($assignment, 0, $chars_per_line);
1094: }
1095:
1096: $format = "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
1097:
1098: } else {
1099: # An open question is how to handle long user formatted page headers...
1100: # A possible future is to support e.g. %na so that the user can control
1101: # the truncation of the elements that can appear in the header.
1102: #
1103: $format = &printf_style_subst("a", $format, $assignment);
1104: $format = &printf_style_subst("c", $format, $course);
1105: $format = &printf_style_subst("n", $format, $student);
1106:
1107: # If the user put %'s in the format string, they must be escaped
1108: # to \% else LaTeX will think they are comments and terminate
1109: # the line.. which is bad!!!
1110:
1111: }
1112:
1113: return $format;
1114:
1115:
1116: # If the user has role author, $course and $assignment are empty so
1117: # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
1118: if($format =~ /\\\\\s\\\\\s/) {
1119: #TODO find sensible caption for page header
1120: my $testPrintout = '\\\\'.&mt('Authoring Space').' \\\\'.&mt('Test-Printout ');
1121: $format =~ s/\\\\\s\\\\\s/$testPrintout/;
1122: }
1123: #
1124: # We're going to trust LaTeX to break lines appropriately, but
1125: # we'll truncate anything that's more than 3 lines worth of
1126: # text. This is also assuming (which will probably end badly)
1127: # nobody's going to embed LaTeX control sequences in the title
1128: # header or rather that those control sequences won't get broken
1129: # by the stuff below.
1130: #
1131: my $total_length = 3*$chars_per_line;
1132: if (length($format) > $total_length) {
1133: $format = substr($format, 0, $total_length);
1134: }
1135:
1136:
1137: return $format;
1138:
1139: }
1140:
1141: #
1142: # Convert a numeric code to letters
1143: #
1144: sub num_to_letters {
1145: my ($num) = @_;
1146: my @nums= split('',$num);
1147: my @num_to_let=('A'..'Z');
1148: my $word;
1149: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1150: return $word;
1151: }
1152: # Convert a letter code to numeric.
1153: #
1154: sub letters_to_num {
1155: my ($letters) = @_;
1156: my @letters = split('', uc($letters));
1157: my %substitution;
1158: my $digit = 0;
1159: foreach my $letter ('A'..'J') {
1160: $substitution{$letter} = $digit;
1161: $digit++;
1162: }
1163: # The substitution is done as below to preserve leading
1164: # zeroes which are needed to keep the code size exact
1165: #
1166: my $result ="";
1167: foreach my $letter (@letters) {
1168: $result.=$substitution{$letter};
1169: }
1170: return $result;
1171: }
1172:
1173: # Determine if a code is a valid numeric code. Valid
1174: # numeric codes must be comprised entirely of digits and
1175: # have a correct number of digits.
1176: #
1177: # Parameters:
1178: # value - proposed code value.
1179: # num_digits - Number of digits required.
1180: #
1181: sub is_valid_numeric_code {
1182: my ($value, $num_digits) = @_;
1183: # Remove leading/trailing whitespace;
1184: $value =~ s/^\s*//g;
1185: $value =~ s/\s*$//g;
1186:
1187: # All digits?
1188: if ($value !~ /^[0-9]+$/) {
1189: return "Numeric code $value has invalid characters - must only be digits";
1190: }
1191: if (length($value) != $num_digits) {
1192: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
1193: }
1194: return undef;
1195: }
1196: # Determines if a code is a valid alhpa code. Alpha codes
1197: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
1198: # They also have a correct digit count.
1199: # Parameters:
1200: # value - Proposed code value.
1201: # num_letters - correct number of letters.
1202: # Note:
1203: # leading and trailing whitespace are ignored.
1204: #
1205: sub is_valid_alpha_code {
1206: my ($value, $num_letters) = @_;
1207:
1208: # strip leading and trailing spaces.
1209:
1210: $value =~ s/^\s*//g;
1211: $value =~ s/\s*$//g;
1212:
1213: # All alphas in the right range?
1214: if ($value !~ /^[A-J,a-j]+$/) {
1215: return "Invalid letter code $value must only contain A-J";
1216: }
1217: if (length($value) != $num_letters) {
1218: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
1219: }
1220: return undef;
1221: }
1222:
1223: # Determine if a code entered by the user in a helper is valid.
1224: # valid depends on the code type and the type of code selected.
1225: # The type of code selected can either be numeric or
1226: # Alphabetic. If alphabetic, the code, in fact is a simple
1227: # substitution cipher for the actual numeric code: 0->A, 1->B ...
1228: # We'll be nice and be case insensitive for alpha codes.
1229: # Parameters:
1230: # code_value - the value of the code the user typed in.
1231: # code_option - The code type selected from the set in the scantron format
1232: # table.
1233: # Returns:
1234: # undef - The code is valid.
1235: # other - An error message indicating what's wrong.
1236: #
1237: sub is_code_valid {
1238: my ($code_value, $code_option) = @_;
1239: my ($code_type, $code_length) = ('letter', 6); # defaults.
1240: my @lines = &Apache::lonnet::get_scantronformat_file();
1241: foreach my $line (@lines) {
1242: next if (($line =~ /^\#/) || ($line eq ''));
1243: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
1244: if($name eq $code_option) {
1245: $code_length = $length;
1246: if($type eq 'number') {
1247: $code_type = 'number';
1248: }
1249: }
1250: }
1251: my $valid;
1252: if ($code_type eq 'number') {
1253: return &is_valid_numeric_code($code_value, $code_length);
1254: } else {
1255: return &is_valid_alpha_code($code_value, $code_length);
1256: }
1257:
1258: }
1259: #
1260: # Compare two students by section (Used to sort by section).
1261: #
1262: # Implicit inputs,
1263: # $a - The first one
1264: # $b - The second one.
1265: #
1266: # Returns:
1267: # a-section cmp b-section
1268: #
1269: sub compare_sections {
1270: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1271: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1272:
1273: return $s1 cmp $s2;
1274: }
1275:
1276: # Compare two students by name. The students are in the form
1277: # returned by the helper:
1278: # user:domain:section:last, first:status
1279: # This is a helper function for the perl sort built-in therefore:
1280: # Implicit Inputs:
1281: # $a - The first element to compare (global)
1282: # $b - The second element to compare (global)
1283: # Returns:
1284: # -1 - $a < $b
1285: # 0 - $a == $b
1286: # +1 - $a > $b
1287: # Note that the initial comparison is done on the last names with the
1288: # first names only used to break the tie.
1289: #
1290: #
1291: sub compare_names {
1292: # First split the names up into the primary fields.
1293:
1294: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1295: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1296:
1297: # Now split the last name and first name of each n:
1298: #
1299:
1300: my ($l1,$f1) = split(/,/, $n1);
1301: my ($l2,$f2) = split(/,/, $n2);
1302:
1303: # We don't bother to remove the leading/trailing whitespace from the
1304: # firstname, unless the last names compare identical.
1305:
1306: if($l1 lt $l2) {
1307: return -1;
1308: }
1309: if($l1 gt $l2) {
1310: return 1;
1311: }
1312:
1313: # Break the tie on the first name, but there are leading (possibly trailing
1314: # whitespaces to get rid of first
1315: #
1316: $f1 =~ s/^\s+//; # Remove leading...
1317: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
1318:
1319: $f2 =~ s/^\s+//;
1320: $f2 =~ s/\s+$//; # And the same for first 2...
1321:
1322: if($f1 lt $f2) {
1323: return -1;
1324: }
1325: if($f1 gt $f2) {
1326: return 1;
1327: }
1328:
1329: # Must be the same name.
1330:
1331: return 0;
1332: }
1333:
1334: sub latex_header_footer_remove {
1335: my $text = shift;
1336: $text =~ s/\\end\{document}//;
1337: $text =~ s/\\documentclass([^&]*)\\begin\{document}//;
1338: return $text;
1339: }
1340: #
1341: # If necessary, encapsulate text inside
1342: # a minipage env.
1343: # necessity is determined by the problem_split param.
1344: #
1345: sub encapsulate_minipage {
1346: my ($text) = @_;
1347: if (!($env{'form.problem.split'} =~ /yes/i)) {
1348: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
1349: }
1350: return $text;
1351: }
1352: #
1353: # The NUMBER_TO_PRINT and SPLIT_PDFS
1354: # variables interact, this sub looks at these two parameters
1355: # and comes up with a final value for NUMBER_TO_PRINT which can be:
1356: # all - if SPLIT_PDFS eq 'all'.
1357: # 1 - if SPLIT_PDFS eq 'oneper'
1358: # section - if SPLIT_PDFS eq 'sections'
1359: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
1360: #
1361: sub adjust_number_to_print {
1362: my $helper = shift;
1363:
1364: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
1365:
1366: if ($split_pdf eq 'all') {
1367: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
1368: } elsif ($split_pdf eq 'oneper') {
1369: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
1370: } elsif ($split_pdf eq 'sections') {
1371: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
1372: } elsif ($split_pdf eq 'usenumber') {
1373: # Unmodified.
1374: } else {
1375: # Error!!!!
1376:
1377: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1378:
1379: }
1380: }
1381:
1382:
1383: sub character_chart {
1384: my $result = shift;
1385: return &Apache::entities::replace_entities($result);
1386: }
1387:
1388: sub old_character_chart {
1389: my $result = shift;
1390: $result =~ s/&\#0?0?(7|9);//g;
1391: $result =~ s/&\#0?(10|13);//g;
1392: $result =~ s/&\#0?32;/ /g;
1393: $result =~ s/&\#0?33;/!/g;
1394: $result =~ s/&(\#0?34|quot);/\"/g;
1395: $result =~ s/&\#0?35;/\\\#/g;
1396: $result =~ s/&\#0?36;/\\\$/g;
1397: $result =~ s/&\#0?37;/\\%/g;
1398: $result =~ s/&(\#0?38|amp);/\\&/g;
1399: $result =~ s/&\#(0?39|146);/\'/g;
1400: $result =~ s/&\#0?40;/(/g;
1401: $result =~ s/&\#0?41;/)/g;
1402: $result =~ s/&\#0?42;/\*/g;
1403: $result =~ s/&\#0?43;/\+/g;
1404: $result =~ s/&\#(0?44|130);/,/g;
1405: $result =~ s/&\#0?45;/-/g;
1406: $result =~ s/&\#0?46;/\./g;
1407: $result =~ s/&\#0?47;/\//g;
1408: $result =~ s/&\#0?48;/0/g;
1409: $result =~ s/&\#0?49;/1/g;
1410: $result =~ s/&\#0?50;/2/g;
1411: $result =~ s/&\#0?51;/3/g;
1412: $result =~ s/&\#0?52;/4/g;
1413: $result =~ s/&\#0?53;/5/g;
1414: $result =~ s/&\#0?54;/6/g;
1415: $result =~ s/&\#0?55;/7/g;
1416: $result =~ s/&\#0?56;/8/g;
1417: $result =~ s/&\#0?57;/9/g;
1418: $result =~ s/&\#0?58;/:/g;
1419: $result =~ s/&\#0?59;/;/g;
1420: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1421: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
1422: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1423: $result =~ s/&\#0?63;/\?/g;
1424: $result =~ s/&\#0?65;/A/g;
1425: $result =~ s/&\#0?66;/B/g;
1426: $result =~ s/&\#0?67;/C/g;
1427: $result =~ s/&\#0?68;/D/g;
1428: $result =~ s/&\#0?69;/E/g;
1429: $result =~ s/&\#0?70;/F/g;
1430: $result =~ s/&\#0?71;/G/g;
1431: $result =~ s/&\#0?72;/H/g;
1432: $result =~ s/&\#0?73;/I/g;
1433: $result =~ s/&\#0?74;/J/g;
1434: $result =~ s/&\#0?75;/K/g;
1435: $result =~ s/&\#0?76;/L/g;
1436: $result =~ s/&\#0?77;/M/g;
1437: $result =~ s/&\#0?78;/N/g;
1438: $result =~ s/&\#0?79;/O/g;
1439: $result =~ s/&\#0?80;/P/g;
1440: $result =~ s/&\#0?81;/Q/g;
1441: $result =~ s/&\#0?82;/R/g;
1442: $result =~ s/&\#0?83;/S/g;
1443: $result =~ s/&\#0?84;/T/g;
1444: $result =~ s/&\#0?85;/U/g;
1445: $result =~ s/&\#0?86;/V/g;
1446: $result =~ s/&\#0?87;/W/g;
1447: $result =~ s/&\#0?88;/X/g;
1448: $result =~ s/&\#0?89;/Y/g;
1449: $result =~ s/&\#0?90;/Z/g;
1450: $result =~ s/&\#0?91;/[/g;
1451: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1452: $result =~ s/&\#0?93;/]/g;
1453: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1454: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
1455: $result =~ s/&\#(0?96|145);/\`/g;
1456: $result =~ s/&\#0?97;/a/g;
1457: $result =~ s/&\#0?98;/b/g;
1458: $result =~ s/&\#0?99;/c/g;
1459: $result =~ s/&\#100;/d/g;
1460: $result =~ s/&\#101;/e/g;
1461: $result =~ s/&\#102;/f/g;
1462: $result =~ s/&\#103;/g/g;
1463: $result =~ s/&\#104;/h/g;
1464: $result =~ s/&\#105;/i/g;
1465: $result =~ s/&\#106;/j/g;
1466: $result =~ s/&\#107;/k/g;
1467: $result =~ s/&\#108;/l/g;
1468: $result =~ s/&\#109;/m/g;
1469: $result =~ s/&\#110;/n/g;
1470: $result =~ s/&\#111;/o/g;
1471: $result =~ s/&\#112;/p/g;
1472: $result =~ s/&\#113;/q/g;
1473: $result =~ s/&\#114;/r/g;
1474: $result =~ s/&\#115;/s/g;
1475: $result =~ s/&\#116;/t/g;
1476: $result =~ s/&\#117;/u/g;
1477: $result =~ s/&\#118;/v/g;
1478: $result =~ s/&\#119;/w/g;
1479: $result =~ s/&\#120;/x/g;
1480: $result =~ s/&\#121;/y/g;
1481: $result =~ s/&\#122;/z/g;
1482: $result =~ s/&\#123;/\\{/g;
1483: $result =~ s/&\#124;/\|/g;
1484: $result =~ s/&\#125;/\\}/g;
1485: $result =~ s/&\#126;/\~/g;
1486: $result =~ s/&\#131;/\\textflorin /g;
1487: $result =~ s/&\#132;/\"/g;
1488: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
1489: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
1490: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1491: $result =~ s/&\#137;/\\textperthousand /g;
1492: $result =~ s/&\#140;/{\\OE}/g;
1493: $result =~ s/&\#147;/\`\`/g;
1494: $result =~ s/&\#148;/\'\'/g;
1495: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1496: $result =~ s/&(\#150|\#8211);/--/g;
1497: $result =~ s/&\#151;/---/g;
1498: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1499: $result =~ s/&\#153;/\\texttrademark /g;
1500: $result =~ s/&\#156;/\\oe/g;
1501: $result =~ s/&\#159;/\\\"Y/g;
1502: $result =~ s/&(\#160|nbsp);/~/g;
1503: $result =~ s/&(\#161|iexcl);/!\`/g;
1504: $result =~ s/&(\#162|cent);/\\textcent /g;
1505: $result =~ s/&(\#163|pound);/\\pounds /g;
1506: $result =~ s/&(\#164|curren);/\\textcurrency /g;
1507: $result =~ s/&(\#165|yen);/\\textyen /g;
1508: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
1509: $result =~ s/&(\#167|sect);/\\textsection /g;
1510: $result =~ s/&(\#168|uml);/\\"\{\} /g;
1511: $result =~ s/&(\#169|copy);/\\copyright /g;
1512: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1513: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1514: $result =~ s/&(\#173|shy);/ - /g;
1515: $result =~ s/&(\#174|reg);/\\textregistered /g;
1516: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
1517: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
1518: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
1519: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
1520: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1521: $result =~ s/&(\#180|acute);/\\'\{\} /g;
1522: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1523: $result =~ s/&(\#182|para);/\\P/g;
1524: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1525: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1526: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1527: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
1528: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
1529: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
1530: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
1531: $result =~ s/&(\#191|iquest);/?\`/g;
1532: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
1533: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
1534: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
1535: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
1536: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
1537: $result =~ s/&(\#197|Aring);/{\\AA}/g;
1538: $result =~ s/&(\#198|AElig);/{\\AE}/g;
1539: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
1540: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
1541: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
1542: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
1543: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
1544: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
1545: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
1546: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
1547: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
1548: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
1549: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
1550: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
1551: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
1552: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
1553: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
1554: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1555: $result =~ s/&(\#216|Oslash);/{\\O}/g;
1556: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
1557: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
1558: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
1559: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
1560: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1561: $result =~ s/&(\#223|szlig);/{\\ss}/g;
1562: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
1563: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
1564: $result =~ s/&(\#226|acirc);/\\^{a}/g;
1565: $result =~ s/&(\#227|atilde);/\\~{a}/g;
1566: $result =~ s/&(\#228|auml);/\\\"{a}/g;
1567: $result =~ s/&(\#229|aring);/{\\aa}/g;
1568: $result =~ s/&(\#230|aelig);/{\\ae}/g;
1569: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
1570: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
1571: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
1572: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
1573: $result =~ s/&(\#235|euml);/\\\"{e}/g;
1574: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
1575: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
1576: $result =~ s/&(\#238|icirc);/\\^{i}/g;
1577: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1578: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1579: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
1580: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
1581: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
1582: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
1583: $result =~ s/&(\#245|otilde);/\\~{o}/g;
1584: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1585: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1586: $result =~ s/&(\#248|oslash);/{\\o}/g;
1587: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
1588: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
1589: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
1590: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
1591: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
1592: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1593: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1594: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1595: #Greek Alphabet
1596: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
1597: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
1598: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
1599: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
1600: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
1601: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
1602: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
1603: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
1604: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
1605: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
1606: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
1607: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
1608: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
1609: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1610: $result =~ s/&(omicron|\#959);/o/g;
1611: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
1612: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
1613: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
1614: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
1615: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
1616: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
1617: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
1618: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
1619: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
1620: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
1621: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1622: $result =~ s/&(Alpha|\#913);/A/g;
1623: $result =~ s/&(Beta|\#914);/B/g;
1624: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
1625: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1626: $result =~ s/&(Epsilon|\#917);/E/g;
1627: $result =~ s/&(Zeta|\#918);/Z/g;
1628: $result =~ s/&(Eta|\#919);/H/g;
1629: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1630: $result =~ s/&(Iota|\#921);/I/g;
1631: $result =~ s/&(Kappa|\#922);/K/g;
1632: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1633: $result =~ s/&(Mu|\#924);/M/g;
1634: $result =~ s/&(Nu|\#925);/N/g;
1635: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1636: $result =~ s/&(Omicron|\#927);/O/g;
1637: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1638: $result =~ s/&(Rho|\#929);/P/g;
1639: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1640: $result =~ s/&(Tau|\#932);/T/g;
1641: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
1642: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1643: $result =~ s/&(Chi|\#935);/X/g;
1644: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
1645: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1646: #Arrows (extended HTML 4.01)
1647: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
1648: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
1649: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
1650: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
1651: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
1652: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
1653: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
1654: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
1655: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
1656: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1657: #Mathematical Operators (extended HTML 4.01)
1658: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
1659: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
1660: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
1661: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
1662: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
1663: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
1664: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
1665: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
1666: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
1667: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
1668: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1669: $result =~ s/–/\\ensuremath\{-\}/g;
1670: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
1671: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
1672: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
1673: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
1674: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
1675: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
1676: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
1677: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
1678: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
1679: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
1680: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
1681: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
1682: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
1683: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
1684: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
1685: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
1686: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
1687: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
1688: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
1689: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
1690: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
1691: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
1692: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
1693: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
1694: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
1695: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1696: #Geometric Shapes (extended HTML 4.01)
1697: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1698: #Miscellaneous Symbols (extended HTML 4.01)
1699: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
1700: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
1701: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
1702: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1703: # Chemically useful 'things' contributed by Hon Kie (bug 4652).
1704:
1705: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
1706: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
1707: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
1708: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
1709: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
1710: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
1711: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
1712: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
1713: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
1714: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
1715: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
1716: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
1717: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1718:
1719: # Left/right quotations:
1720:
1721: $result =~ s/&(ldquo|#8220);/\`\`/g;
1722: $result =~ s/&(rdquo|#8221);/\'\'/g;
1723:
1724:
1725:
1726: return $result;
1727: }
1728:
1729:
1730: #width, height, oddsidemargin, evensidemargin, topmargin
1731: my %page_formats=
1732: ('letter' => {
1733: 'book' => {
1734: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
1735: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1736: },
1737: 'album' => {
1738: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'],
1739: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1740: },
1741: },
1742: 'legal' => {
1743: 'book' => {
1744: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1745: '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1746: },
1747: 'album' => {
1748: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
1749: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1750: },
1751: },
1752: 'tabloid' => {
1753: 'book' => {
1754: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
1755: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
1756: },
1757: 'album' => {
1758: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
1759: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1760: },
1761: },
1762: 'executive' => {
1763: 'book' => {
1764: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
1765: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
1766: },
1767: 'album' => {
1768: '1' => [],
1769: '2' => []
1770: },
1771: },
1772: 'a2' => {
1773: 'book' => {
1774: '1' => [],
1775: '2' => []
1776: },
1777: 'album' => {
1778: '1' => [],
1779: '2' => []
1780: },
1781: },
1782: 'a3' => {
1783: 'book' => {
1784: '1' => [],
1785: '2' => []
1786: },
1787: 'album' => {
1788: '1' => [],
1789: '2' => []
1790: },
1791: },
1792: 'a4' => {
1793: 'book' => {
1794: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1795: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1796: },
1797: 'album' => {
1798: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1799: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1800: },
1801: },
1802: 'a5' => {
1803: 'book' => {
1804: '1' => [],
1805: '2' => []
1806: },
1807: 'album' => {
1808: '1' => [],
1809: '2' => []
1810: },
1811: },
1812: 'a6' => {
1813: 'book' => {
1814: '1' => [],
1815: '2' => []
1816: },
1817: 'album' => {
1818: '1' => [],
1819: '2' => []
1820: },
1821: },
1822: );
1823:
1824: sub page_format {
1825: #
1826: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1827: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1828: # "A2 [420x594 mm]", "A3 [297x420 mm]",
1829: # "A4 [210x297 mm]", "A5 [148x210 mm]",
1830: # "A6 [105x148 mm]"
1831: #
1832: my ($papersize,$layout,$numberofcolumns) = @_;
1833: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1834: }
1835:
1836:
1837: sub get_name {
1838: my ($uname,$udom)=@_;
1839: if (!defined($uname)) { $uname=$env{'user.name'}; }
1840: if (!defined($udom)) { $udom=$env{'user.domain'}; }
1841: my $plainname=&Apache::loncommon::plainname($uname,$udom);
1842: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1843: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1844: return $plainname;
1845: }
1846:
1847: sub get_course {
1848: my $courseidinfo;
1849: if (defined($env{'request.course.id'})) {
1850: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1851: }
1852: return $courseidinfo;
1853: }
1854:
1855: sub page_format_transformation {
1856: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
1857: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1858:
1859: if ($selectionmade eq '4') {
1860: if ($choice eq 'all_problems') {
1861: $assignment=&mt('Problems from the Whole Course');
1862: } else {
1863: $assignment=&mt('Resources from the Whole Course');
1864: }
1865: } else {
1866: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
1867: }
1868: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1869:
1870:
1871: my $name = &get_name();
1872: my $courseidinfo = &get_course();
1873: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1874: my $header_text = $parmhash{'print_header_format'};
1875: $header_text = &format_page_header($textwidth, $header_text, $assignment,
1876: $courseidinfo, $name);
1877: my $topmargintoinsert = '';
1878: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1879: my $fancypagestatement='';
1880: if ($numberofcolumns eq '2') {
1881: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1882: } else {
1883: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1884: }
1885: if ($layout eq 'album') {
1886: $text =~ s/\\begin\{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1887: } elsif ($layout eq 'book') {
1888: if ($choice ne 'All class print') {
1889: $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/;
1890: } else {
1891: $text =~ s/\\pagestyle\{fancy}\\rhead\{}\\chead\{}\s*\\begin\{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
1892: }
1893: if ($papersize eq 'a4') {
1894: my $papersize_text;
1895: if ($perm{'pav'}) {
1896: $papersize_text = '\\special{papersize=210mm,297mm}';
1897: } else {
1898: $papersize_text = '\special{papersize=210mm,297mm}';
1899: }
1900: $text =~ s/(\\begin\{document})/$1$papersize_text/;
1901: }
1902: }
1903: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
1904: if ($indexlist eq 'yes') {
1905: $text=~s/(\\begin\{document})/\\makeindex $1/;
1906: $text=~s/(\\end\{document})/\\strut\\\\\\strut\\printindex $1/;
1907: }
1908: return $text;
1909: }
1910:
1911:
1912: sub page_cleanup {
1913: my $result = shift;
1914:
1915: $result =~ m/\\end\{document}(\d*)$/;
1916: my $number_of_columns = $1;
1917: my $insert = '{';
1918: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1919: $insert .= '}';
1920: $result =~ s/(\\begin\{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1921: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
1922: return $result,$number_of_columns;
1923: }
1924:
1925:
1926: sub details_for_menu {
1927: my ($helper)=@_;
1928: my $postdata=$env{'form.postdata'};
1929: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
1930: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
1931: my $symbolic = &Apache::lonnet::symbread($postdata);
1932: return if ( $symbolic eq '');
1933:
1934: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1935: $map=&Apache::lonnet::clutter($map);
1936: my $name_of_sequence = &Apache::lonnet::gettitle($map);
1937: if ($name_of_sequence =~ /^\s*$/) {
1938: $map =~ m|([^/]+)$|;
1939: $name_of_sequence = $1;
1940: }
1941: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1942: if ($name_of_map =~ /^\s*$/) {
1943: $env{'request.course.uri'} =~ m|([^/]+)$|;
1944: $name_of_map = $1;
1945: }
1946: return ($name_of_resource,$name_of_sequence,$name_of_map);
1947: }
1948:
1949: sub copyright_line {
1950: 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 } ';
1951: }
1952: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1953:
1954: sub latex_corrections {
1955: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1956: # $result =~ s/\\includegraphics\{/\\includegraphics\[width=\\minipagewidth\]{/g;
1957: my $copyright = ©right_line();
1958: if ($selectionmade eq '1' || $answer_mode eq 'only') {
1959: $result =~ s/(\\end\{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1960: } else {
1961: $result =~ s/(\\end\{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1962: }
1963: $result =~ s/\$number_of_columns/$number_of_columns/g;
1964: $result =~ s/(\\end\{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]\{\\hrulefill})/$2$1/g;
1965: $result =~ s/(\\end\{longtable}\s*)\\strut\\newline/$1/g;
1966: #-- LaTeX corrections
1967: my $first_comment = index($result,'<!--',0);
1968: while ($first_comment != -1) {
1969: my $end_comment = index($result,'-->',$first_comment);
1970: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
1971: $first_comment = index($result,'<!--',$first_comment);
1972: }
1973: $result =~ s/^\s+$//gm; #remove empty lines
1974: #removes more than one empty space
1975: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1976: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
1977: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
1978: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1979: $result =~ s/\\\\\s+\[/ \[/g;
1980: #conversion of html characters to LaTeX equivalents
1981: if ($result =~ m/&(\w+|#\d+);/) {
1982: $result = &character_chart($result);
1983: }
1984: $result =~ s/(\\end\{tabular})\s*\\vskip 0 mm/$1/g;
1985: $result =~ s/(\\begin\{enumerate})\s*\\noindent/$1/g;
1986: return $result;
1987: }
1988:
1989:
1990: sub index_table {
1991: my $currentURL = shift;
1992: my $insex_string='';
1993: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
1994: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
1995: return $insex_string;
1996: }
1997:
1998:
1999: sub IndexCreation {
2000: my ($texversion,$currentURL)=@_;
2001: my @key_words=split(/,/,&index_table($currentURL));
2002: my $chunk='';
2003: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
2004: if ($st>0) {
2005: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
2006: $chunk=substr($texversion,0,$st+1);
2007: substr($texversion,0,$st+1)=' ';
2008: }
2009: foreach my $key_word (@key_words) {
2010: if ($key_word=~/\S+/) {
2011: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
2012: }
2013: }
2014: if ($st>0) {substr($texversion,0,1)=$chunk;}
2015: return $texversion;
2016: }
2017:
2018: sub print_latex_header {
2019: my $mode=shift;
2020:
2021: return &Apache::londefdef::latex_header($mode);
2022: }
2023:
2024: sub path_to_problem {
2025: my ($urlp,$colwidth)=@_;
2026: $urlp=&Apache::lonnet::clutter($urlp);
2027:
2028: my $newurlp = '';
2029: $colwidth=~s/\s*mm\s*$//;
2030: #characters average about 2 mm in width
2031: if (length($urlp)*2 > $colwidth) {
2032: my @elements = split('/',$urlp);
2033: my $curlength=0;
2034: foreach my $element (@elements) {
2035: if ($element eq '') { next; }
2036: if ($curlength+(length($element)*2) > $colwidth) {
2037: $newurlp .= '|\vskip -1 mm \verb|';
2038: $curlength=length($element)*2;
2039: } else {
2040: $curlength+=length($element)*2;
2041: }
2042: $newurlp.='/'.$element;
2043: }
2044: } else {
2045: $newurlp=$urlp;
2046: }
2047: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
2048: }
2049:
2050: sub recalcto_mm {
2051: my $textwidth=shift;
2052: my $LaTeXwidth;
2053: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
2054: $LaTeXwidth = $1*10;
2055: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
2056: $LaTeXwidth = $1;
2057: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
2058: $LaTeXwidth = $1*25.4;
2059: }
2060: $LaTeXwidth.=' mm';
2061: return $LaTeXwidth;
2062: }
2063:
2064: sub get_textwidth {
2065: my ($helper,$LaTeXwidth)=@_;
2066: my $textwidth=$LaTeXwidth;
2067: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
2068: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
2069: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
2070: $helper->{'VARS'}->{'pagesize.widthunit'});
2071: }
2072: return $textwidth;
2073: }
2074:
2075:
2076: sub unsupported {
2077: my ($currentURL,$mode,$symb)=@_;
2078: if ($mode ne '') {$mode='\\'.$mode}
2079: my $result.= &print_latex_header($mode);
2080: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
2081: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
2082: $currentURL=~s|^http://https://|https://|;
2083: my $title=&Apache::lonnet::gettitle($symb);
2084: $title = &Apache::lonxml::latex_special_symbols($title);
2085: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
2086: } else {
2087: $result.=$currentURL;
2088: }
2089: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2090: return $result;
2091: }
2092:
2093: #
2094: # Map from helper layout style to the book/album:
2095: #
2096: sub map_laystyle {
2097: my ($laystyle) = @_;
2098: if ($laystyle eq 'L') {
2099: $laystyle='album';
2100: } else {
2101: $laystyle='book';
2102: }
2103: return $laystyle;
2104: }
2105:
2106: sub print_page_in_course {
2107: my ($helper, $rparmhash, $currentURL, $resources) = @_;
2108:
2109: my %parmhash = %$rparmhash;
2110: my @page_resources = @$resources;
2111: my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
2112: my $symb = $helper->{'VARS'}->{'symb'};
2113:
2114:
2115: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2116:
2117:
2118: my @temporary_array=split /\|/,$format_from_helper;
2119: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2120: $laystyle = &map_laystyle($laystyle);
2121: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
2122: $numberofcolumns);
2123: my $LaTeXwidth=&recalcto_mm($textwidth);
2124:
2125:
2126: if ($mode ne '') {$mode='\\'.$mode}
2127: my $result = &print_latex_header($mode);
2128: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
2129: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
2130: my $title=&Apache::lonnet::gettitle($symb);
2131: $title = &Apache::lonxml::latex_special_symbols($title);
2132: } else {
2133: my $esc_currentURL= $currentURL;
2134: $esc_currentURL =~ s/_/\\_/g;
2135: $result.=$esc_currentURL;
2136: }
2137: $result .= '\\\\';
2138:
2139: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2140: &Apache::lonnet::appenv({'construct.style' =>
2141: $helper->{'VARS'}->{'style_file'}});
2142: } elsif ($env{'construct.style'}) {
2143: &Apache::lonnet::delenv('construct.style');
2144: }
2145:
2146: # First is the overall page description. This is then followed by the
2147: # components of the page. Each of which must be printed independently.
2148: my $the_page = shift(@page_resources);
2149:
2150:
2151: foreach my $resource (@page_resources) {
2152: my $resource_src = $resource->src(); # Essentially the URL of the resource.
2153: $result .= $resource->title() . '\\\\';
2154:
2155: # Recurse if a .page:
2156:
2157: if ($resource_src =~ /.page$/i) {
2158: my $navmap = Apache::lonnavmaps::navmap->new();
2159: my @page_resources = $navmap->retrieveResources($resource_src);
2160: $result .= &print_page_in_course($helper, $rparmhash,
2161: $resource_src, \@page_resources);
2162: } elsif ($resource->ext()) {
2163: $result .= &unsupported($currentURL,$mode,$symb);
2164: }
2165: # these resources go through the XML transformer:
2166:
2167: elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2168:
2169: my $urlp = &Apache::lonnet::clutter($resource_src);
2170:
2171: my %form;
2172: my %moreenv;
2173:
2174: &Apache::lonxml::remember_problem_counter();
2175: $moreenv{'request.filename'}=$urlp;
2176: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2177:
2178: $form{'grade_target'} = 'tex';
2179: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2180: $form{'pdfFormFields'} = 'no'; #
2181: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2182:
2183: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2184: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2185: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2186: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2187: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2188: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2189: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2190: $form{'problem_split'}='yes';
2191: }
2192: my $rndseed = time;
2193: if ($helper->{'VARS'}->{'curseed'}) {
2194: $rndseed=$helper->{'VARS'}->{'curseed'};
2195: }
2196: $form{'rndseed'}=$rndseed;
2197: &Apache::lonnet::appenv(\%moreenv);
2198:
2199: &Apache::lonxml::clear_problem_counter();
2200:
2201: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
2202:
2203:
2204: # current document with answers.. no need to encap in minipage
2205: # since there's only one answer.
2206:
2207: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2208: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2209: my %answerform = %form;
2210:
2211:
2212: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2213: $answerform{'grade_target'}='answer';
2214: $answerform{'answer_output_mode'}='tex';
2215: $answerform{'rndseed'}=$rndseed;
2216: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2217: $answerform{'problemtype'}='exam';
2218: }
2219: $resources_printed .= $urlp.':';
2220: my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
2221:
2222: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2223: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
2224: } else {
2225: $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2226: if ($helper->{'VARS'}->{'construction'} ne '1') {
2227: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2228: $title = &Apache::lonxml::latex_special_symbols($title);
2229: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2230: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2231: } else {
2232: $texversion.='\vskip 0 mm \noindent\textbf{'.
2233: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
2234: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2235: }
2236: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2237: }
2238:
2239:
2240:
2241:
2242:
2243: }
2244: # Print annotations.
2245:
2246:
2247: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2248: my $annotation .= &annotate($currentURL);
2249: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
2250: }
2251:
2252: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2253: $texversion=&IndexCreation($texversion,$currentURL);
2254: }
2255: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2256: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2257:
2258: }
2259: $texversion = &latex_header_footer_remove($texversion);
2260:
2261: # the first remaining line is a comment from londefdef the second
2262: # line seems to be an extraneous \vskip 1mm \\\\ :
2263: # (imperfect removal from header_footer_remove?
2264:
2265: $texversion =~ s/\\vskip 1mm \\\\\\\\//;
2266:
2267: $result .= $texversion;
2268: if ($currentURL=~m/\.page\s*$/) {
2269: ($result,$numberofcolumns) = &page_cleanup($result);
2270: }
2271: }
2272: }
2273:
2274: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2275: return $result;
2276: }
2277:
2278:
2279: #
2280: # List of recently generated print files
2281: #
2282: sub recently_generated {
2283: my ($prtspool) = @_;
2284: my $output;
2285: my $zip_result;
2286: my $pdf_result;
2287: opendir(DIR,$prtspool);
2288:
2289: my @files =
2290: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
2291: closedir(DIR);
2292:
2293: @files = sort {
2294: my ($actime) = (stat($prtspool.'/'.$a))[10];
2295: my ($bctime) = (stat($prtspool.'/'.$b))[10];
2296: return $bctime <=> $actime;
2297: } (@files);
2298:
2299: foreach my $filename (@files) {
2300: my ($ext) = ($filename =~ m/(pdf|zip)$/);
2301: my ($cdev,$cino,$cmode,$cnlink,
2302: $cuid,$cgid,$crdev,$csize,
2303: $catime,$cmtime,$cctime,
2304: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
2305: my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
2306: my $result=&Apache::loncommon::start_data_table_row()
2307: .'<td>'
2308: .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
2309: .'</td>'
2310: .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
2311: .'<td align="right">'.$csize.'</td>'
2312: .&Apache::loncommon::end_data_table_row();
2313: if ($ext eq 'pdf') { $pdf_result .= $result; }
2314: if ($ext eq 'zip') { $zip_result .= $result; }
2315: }
2316: if ($zip_result || $pdf_result) {
2317: $output ='<hr />';
2318: }
2319: if ($zip_result) {
2320: $output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
2321: .&Apache::loncommon::start_data_table()
2322: .&Apache::loncommon::start_data_table_header_row()
2323: .'<th>'.&mt('Download').'</th>'
2324: .'<th>'.&mt('Creation Date').'</th>'
2325: .'<th>'.&mt('File Size (Bytes)').'</th>'
2326: .&Apache::loncommon::end_data_table_header_row()
2327: .$zip_result
2328: .&Apache::loncommon::end_data_table();
2329: }
2330: if ($pdf_result) {
2331: $output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
2332: .&Apache::loncommon::start_data_table()
2333: .&Apache::loncommon::start_data_table_header_row()
2334: .'<th>'.&mt('Download').'</th>'
2335: .'<th>'.&mt('Creation Date').'</th>'
2336: .'<th>'.&mt('File Size (Bytes)').'</th>'
2337: .&Apache::loncommon::end_data_table_header_row()
2338: .$pdf_result
2339: .&Apache::loncommon::end_data_table();
2340: }
2341: return $output;
2342: }
2343:
2344: #
2345: # Retrieve the hash of page breaks.
2346: #
2347: # Inputs:
2348: # helper - reference to helper object.
2349: # Outputs
2350: # A reference to a page break hash.
2351: #
2352: #
2353: # use Data::Dumper;
2354: # sub dump_helper_vars {
2355: # my ($helper) = @_;
2356: # my $helpervars = Dumper($helper->{'VARS'});
2357: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
2358: #}
2359:
2360: sub get_page_breaks {
2361: my ($helper) = @_;
2362: my %page_breaks;
2363:
2364: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
2365: $page_breaks{$break} = 1;
2366: }
2367: return %page_breaks;
2368: }
2369: #
2370: # Returns text to insert for any extra vskip prior to the resource.
2371: # Parameters:
2372: # helper - Reference to the helper object driving the printout.
2373: # resource - Identifies the resource about to be printed.
2374: #
2375: # This is done as follows:
2376: # POSSIBLE_RESOURCES has the list of possible resources.
2377: # EXTRASPACE has the list of extra space values.
2378: # EXTRASPACE_UNITS is the set of resources for which the units are
2379: # mm. All others are 'in'.
2380: #
2381: # The resource is found in the POSSIBLE_RESOURCES to get the index
2382: # of the EXTRASPACE value.
2383: #
2384: # In order to speed this up for lengthy printouts, the first time,
2385: # POSSIBLE_RESOURCES is turned into a look up hash and
2386: # EXTRASPACE is turned into an array.
2387: #
2388:
2389:
2390: my %possible_resources;
2391: my %extraspace_mm;
2392: my @extraspace;
2393: my $skips_loaded = 0;
2394:
2395: # Function to load the skips hash and array
2396:
2397: sub load_skips {
2398:
2399: my ($helper) = @_;
2400:
2401: # If this is the first time, unrap the resources and extra spaces:
2402:
2403: if (!$skips_loaded) {
2404: @extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
2405: my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
2406: my $i = 0;
2407: foreach my $resource (@resource_list) {
2408: $possible_resources{$resource} = $i;
2409: $i++;
2410: }
2411: foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
2412: $extraspace_mm{$mm_resource} = 1;
2413: }
2414: $skips_loaded = 1;
2415: }
2416: }
2417:
2418: sub get_extra_vspaces {
2419: my ($helper, $resource) = @_;
2420:
2421: &load_skips($helper);
2422:
2423: # Lookup the resource in the possible resources hash.. that is the index
2424: # into the extraspace array that gives us either an empty string or
2425: # the number of mm to skip:
2426:
2427: my $index = $possible_resources{$resource};
2428: my $skip = $extraspace[$index];
2429:
2430: my $result = '';
2431: if ($skip ne '') {
2432: my $units = 'in';
2433: if (defined($extraspace_mm{$resource})) {
2434: $units = 'mm';
2435: }
2436: $result = '\vskip '.$skip.' '.$units;
2437: }
2438:
2439:
2440: return $result;
2441:
2442:
2443: }
2444:
2445: #
2446: # The resource chooser part of the helper needs more than just
2447: # the value of the extraspaces var to recover the value into a text
2448: # field option. This sub produces the required format for the saved var:
2449: # specifically
2450: # ||| separated fields of the form resourcename=value
2451: #
2452: # Parameters:
2453: # $helper - Refers to the helper we are configuring
2454: # Implicit input:
2455: # $helper->{'VARS'}->{'EXTRASPACE'} - the spaces helper var has the text field
2456: # value.
2457: # $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
2458: # $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} - has the list of resources. |||
2459: # separated of course.
2460: # Implicit outputs:
2461: # $env{'form.extraspace'}
2462: # $env{'form.extraspace_units'}
2463: #
2464: sub set_form_extraspace {
2465: my ($helper) = @_;
2466:
2467: # the most convenient way to do this is to drive from the skips arrays/hash.
2468: # may not be the fastest, but this is once per print request so it's not so
2469: # speed critical:
2470:
2471: &load_skips($helper);
2472:
2473: my $result = '';
2474:
2475: foreach my $resource (keys(%possible_resources)) {
2476: my $vskip = $extraspace[$possible_resources{$resource}];
2477: $result .= $resource .'=' . $vskip . '|||';
2478: }
2479:
2480: $env{'form.extraspace'} = $result;
2481: $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
2482: return $result;
2483:
2484: }
2485:
2486: # Output a sequence (recursively if neeed)
2487: # from construction space.
2488: # Parameters:
2489: # url = URL of the sequence to print.
2490: # helper - Reference to the helper hash.
2491: # form - Copy of the format hash.
2492: # LaTeXWidth
2493: # Returns:
2494: # Text to add to the printout.
2495: # NOTE if the first element of the outermost sequence
2496: # is itself a sequence, the outermost caller may need to
2497: # prefix the latex with the page headers stuff.
2498: #
2499: sub print_construction_sequence {
2500: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
2501:
2502: my $result;
2503: my $rndseed=time;
2504: if ($helper->{'VARS'}->{'curseed'}) {
2505: $rndseed=$helper->{'VARS'}->{'curseed'};
2506: }
2507: my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL));
2508:
2509: #
2510: # These make this all support recursing for subsequences.
2511: #
2512: my @order = @LONCAPA::map::order;
2513: my @resources = @LONCAPA::map::resources;
2514:
2515: for (my $member=0;$member<=$#order;$member++) {
2516: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
2517: my $urlp=$2;
2518: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2519: my $texversion='';
2520: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2521: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2522: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2523: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2524: $form{'rndseed'}=$rndseed;
2525: $resources_printed .=$urlp.':';
2526: $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2527: }
2528: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2529: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
2530: ($urlp=~/$LONCAPA::assess_page_re/)) {
2531: # Don't permanently modify %$form...
2532: my %answerform = %form;
2533: $answerform{'grade_target'}='answer';
2534: $answerform{'answer_output_mode'}='tex';
2535: $answerform{'rndseed'}=$rndseed;
2536: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2537: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
2538: $resources_printed .= $urlp.':';
2539: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2540: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2541: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
2542: } else {
2543: # If necessary, encapsulate answer in minipage:
2544:
2545: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2546: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2547: $title = &Apache::lonxml::latex_special_symbols($title);
2548: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2549: $body.=&path_to_problem($urlp,$LaTeXwidth);
2550: $body.='\vskip 1 mm '.$answer.'\end{document}';
2551: $body = &encapsulate_minipage($body);
2552: $texversion.=$body;
2553: }
2554: }
2555: $texversion = &latex_header_footer_remove($texversion);
2556:
2557: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2558: $texversion=&IndexCreation($texversion,$urlp);
2559: }
2560: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2561: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
2562: }
2563: $result.=$texversion;
2564:
2565: } elsif ($urlp=~/\.(sequence|page)$/) {
2566:
2567: # header:
2568:
2569: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
2570:
2571: # IF sequence, recurse:
2572:
2573: if ($urlp =~ /\.sequence$/) {
2574: $result .= &print_construction_sequence($urlp,
2575: $helper, %form,
2576: $LaTeXwidth);
2577: }
2578: }
2579: elsif ($urlp =~ /\.pdf$/i) {
2580: my $texversion;
2581: if ($member != 0) {
2582: $texversion .= '\cleardoublepage';
2583: }
2584:
2585: $texversion .= &include_pdf($urlp);
2586: $texversion = &latex_header_footer_remove($texversion);
2587: if ($member != $#order) {
2588: $texversion .= '\\ \cleardoublepage';
2589: }
2590:
2591: $result .= $texversion;
2592: }
2593: }
2594: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin\{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
2595: return $result;
2596: }
2597:
2598: #
2599: # Top level for generating print output.
2600: #
2601: # May call print_resources if multiple resources will be printed.
2602: #
2603: # The main driver is $selectionmade which reflects the type of print out
2604: # requested:
2605: # Value Print type:
2606: # 1 Print resource that's being looked at.
2607: # 2 Print problems in a map or in a page.
2608: # 3 Print pages in a map or resources in a page.
2609: # 4 Print all problems or all resources.
2610: # 5 Print problems for seleted students.
2611: # 6 Print selected problems from a folder.
2612: # 7 Print print selected resources from some scope.
2613: # 8 Print resources for selected students.
2614: #
2615: #BZ 5209
2616: # 2 map_incomplete_problems_seq Print incomplete problems from the current
2617: # folder in student context.
2618: # 5 map_incomplete_problems_people_seq Print incomplete problems from the
2619: # current folder in privileged context.
2620: # 5 incomplete_problems_selpeople_course Print incomplete problems for
2621: # selected people from the entire course.
2622: #
2623: # Item 101 has much the same processing as 8,
2624: #
2625: # Differences: Item 101, 102 require per-student filtering of the resource
2626: # set so that only the incomplete resources are printed.
2627: # For item 100, filtering was done at the helper level.
2628:
2629: sub output_data {
2630:
2631: my ($r,$helper,$rparmhash) = @_;
2632: my %parmhash = %$rparmhash;
2633: $ssi_error = 0; # This will be set nonzero by failing ssi's.
2634: $resources_printed = '';
2635: $font_size = $helper->{'VARS'}->{'fontsize'};
2636: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
2637: my $do_postprocessing = 1;
2638: my $js = <<ENDPART;
2639: <script type="text/javascript">
2640: var editbrowser;
2641: function openbrowser(formname,elementname,only,omit) {
2642: var url = '/res/?';
2643: if (editbrowser == null) {
2644: url += 'launch=1&';
2645: }
2646: url += 'catalogmode=interactive&';
2647: url += 'mode=parmset&';
2648: url += 'form=' + formname + '&';
2649: if (only != null) {
2650: url += 'only=' + only + '&';
2651: }
2652: if (omit != null) {
2653: url += 'omit=' + omit + '&';
2654: }
2655: url += 'element=' + elementname + '';
2656: var title = 'Browser';
2657: var options = 'scrollbars=1,resizable=1,menubar=0';
2658: options += ',width=700,height=600';
2659: editbrowser = open(url,title,options,'1');
2660: editbrowser.focus();
2661: }
2662: </script>
2663: ENDPART
2664:
2665:
2666: # Breadcrumbs
2667: #FIXME: Choose better/different breadcrumbs?!? Links?
2668: my $brcrum = [{'href' => '',
2669: 'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
2670: {'href' => '',
2671: 'text' => 'Preparing Printout'}];
2672:
2673: my $start_page = &Apache::loncommon::start_page('Preparing Printout',
2674: $js,
2675: {'bread_crumbs' => $brcrum,});
2676: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
2677:
2678: $r->print($start_page."\n<p>\n$msg\n</p>\n");
2679:
2680: # fetch the pagebreaks and store them in the course environment
2681: # The page breaks will be pulled into the hash %page_breaks which is
2682: # indexed by symb and contains 1's for each break.
2683:
2684: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
2685: &set_form_extraspace($helper);
2686: $env{'form.lastprinttype'} = $print_type;
2687: &Apache::loncommon::store_course_settings('print',
2688: {'pagebreaks' => 'scalar',
2689: 'extraspace' => 'scalar',
2690: 'extraspace_units' => 'scalar',
2691: 'lastprinttype' => 'scalar'});
2692: my %page_breaks = &get_page_breaks($helper);
2693:
2694: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2695: my ($result,$selectionmade) = ('','');
2696: my $number_of_columns = 1; #used only for pages to determine the width of the cell
2697: my @temporary_array=split /\|/,$format_from_helper;
2698: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2699:
2700: $laystyle = &map_laystyle($laystyle);
2701: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
2702: my $assignment = $env{'form.assignment'};
2703: my $LaTeXwidth=&recalcto_mm($textwidth);
2704: my @print_array=();
2705: my @student_names=();
2706:
2707:
2708: # Common settings for the %form has:
2709: # In some cases these settings get overriddent by specific cases, but the
2710: # settings are common enough to make it worthwhile factoring them out
2711: # here.
2712: #
2713: my %form;
2714: $form{'grade_target'} = 'tex';
2715: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2716: $form{'pdfFormFields'} = 'no';
2717:
2718: # If form.showallfoils is set, then request all foils be shown:
2719: # privilege will be enforced both by not allowing the
2720: # check box selecting this option to be presnt unless it's ok,
2721: # and by lonresponse's priv. check.
2722: # The if is here because lonresponse.pm only cares that
2723: # showallfoils is defined, not what the value is.
2724:
2725: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
2726: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2727: }
2728:
2729: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2730: &Apache::lonnet::appenv({'construct.style' =>
2731: $helper->{'VARS'}->{'style_file'}});
2732: } elsif ($env{'construct.style'}) {
2733: &Apache::lonnet::delenv('construct.style');
2734: }
2735:
2736: if ($print_type eq 'current_document') {
2737: #-- single document - problem, page, html, xml, ...
2738: my ($currentURL,$cleanURL);
2739:
2740: if ($helper->{'VARS'}->{'construction'} ne '1') {
2741: #prints published resource
2742: $currentURL=$helper->{'VARS'}->{'postdata'};
2743: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
2744: } else {
2745:
2746: #prints resource from the construction space
2747: $currentURL=$helper->{'VARS'}->{'filename'};
2748: $cleanURL=$currentURL;
2749: }
2750: $selectionmade = 1;
2751:
2752: if ($cleanURL!~m|^/adm/|
2753: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2754: my $rndseed=time;
2755: my $texversion='';
2756: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2757: my %moreenv;
2758: $moreenv{'request.filename'}=$cleanURL;
2759: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2760: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2761: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2762: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2763: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2764: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2765: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2766: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2767: $form{'problem_split'}='yes';
2768: }
2769: if ($helper->{'VARS'}->{'curseed'}) {
2770: $rndseed=$helper->{'VARS'}->{'curseed'};
2771: }
2772: $form{'rndseed'}=$rndseed;
2773: &Apache::lonnet::appenv(\%moreenv);
2774:
2775: &Apache::lonxml::clear_problem_counter();
2776:
2777: $resources_printed .= $currentURL.':';
2778: $texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2779:
2780: # Add annotations if required:
2781:
2782: &Apache::lonxml::clear_problem_counter();
2783:
2784: &Apache::lonnet::delenv('request.filename');
2785: }
2786: # current document with answers.. no need to encap in minipage
2787: # since there's only one answer.
2788:
2789: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2790: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2791:
2792: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2793: $form{'grade_target'}='answer';
2794: $form{'answer_output_mode'}='tex';
2795: $form{'rndseed'}=$rndseed;
2796: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2797: $form{'problemtype'}='exam';
2798: }
2799: $resources_printed .= $currentURL.':';
2800: my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2801:
2802:
2803: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2804: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
2805: } else {
2806: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2807: if ($helper->{'VARS'}->{'construction'} ne '1') {
2808: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2809: $title = &Apache::lonxml::latex_special_symbols($title);
2810: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2811: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2812: } else {
2813: $texversion.='\vskip 0 mm \noindent\textbf{'.
2814: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
2815:
2816: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2817: }
2818: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2819: }
2820:
2821:
2822:
2823:
2824:
2825: }
2826: # Print annotations.
2827:
2828:
2829: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2830: my $annotation .= &annotate($currentURL);
2831: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
2832: }
2833:
2834:
2835: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2836: $texversion=&IndexCreation($texversion,$currentURL);
2837: }
2838: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2839: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2840:
2841: }
2842: $result .= $texversion;
2843: if ($currentURL=~m/\.page\s*$/) {
2844: ($result,$number_of_columns) = &page_cleanup($result);
2845: }
2846: } elsif ($cleanURL!~m|^/adm/|
2847: && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
2848: $result .= &print_construction_sequence($currentURL, $helper, %form,
2849: $LaTeXwidth);
2850: $result .= '\end{document}';
2851: if (!($result =~ /\\begin\{document\}/)) {
2852: $result = &print_latex_header() . $result;
2853: }
2854: # End construction space sequence.
2855: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
2856: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2857: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
2858: $resources_printed .= $currentURL.':';
2859: my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
2860: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2861: my $annotation = &annotate($currentURL);
2862: $texversion =~ s/(\\end\{document})/$annotation$1/;
2863: }
2864: $result .= $texversion;
2865: } elsif ($cleanURL =~/\.tex$/) {
2866: # For this sort of print of a single LaTeX file,
2867: # We can just print the LaTeX file as it is uninterpreted in any way:
2868: #
2869:
2870: $result = &fetch_raw_resource($currentURL);
2871: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2872: my $annotation = &annotate($currentURL);
2873: $result =~ s/(\\end\{document})/$annotation$1/;
2874: }
2875:
2876: $do_postprocessing = 0; # Don't massage the result.
2877:
2878: } elsif ($cleanURL =~ /\.pdf$/i) {
2879: $result .= &include_pdf($cleanURL);
2880: $result .= '\end{document}';
2881: } elsif ($cleanURL =~ /\.page$/i) { # Print page in non construction space contexts.
2882:
2883: # Determine the set of resources in the map of the page:
2884:
2885: my $navmap = Apache::lonnavmaps::navmap->new();
2886: my @page_resources = $navmap->retrieveResources($cleanURL);
2887: $result .= &print_page_in_course($helper, $rparmhash,
2888: $cleanURL, \@page_resources);
2889:
2890:
2891: } else {
2892: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
2893: $helper->{'VARS'}->{'symb'});
2894: }
2895: } elsif (($print_type eq 'map_problems') or
2896: ($print_type eq 'map_problems_in_page') or
2897: ($print_type eq 'map_resources_in_page') or
2898: ($print_type eq 'map_problems_pages') or
2899: ($print_type eq 'all_problems') or
2900: ($print_type eq 'all_resources') or # BUGBUG
2901: ($print_type eq 'select_sequences') or
2902: ($print_type eq 'map_incomplete_problems_seq')
2903: ) {
2904:
2905: #-- produce an output string
2906: if (($print_type eq 'map_problems') or
2907: ($print_type eq 'map_incomplete_problems_seq') or
2908: ($print_type eq 'map_problems_in_page') ) {
2909: $selectionmade = 2;
2910: } elsif (($print_type eq 'map_problems_pages') or
2911: ($print_type eq 'map_resources_in_page'))
2912: {
2913: $selectionmade = 3;
2914: } elsif (($print_type eq 'all_problems')
2915: ) {
2916: $selectionmade = 4;
2917: } elsif ($print_type eq 'all_resources') { #BUGBUG
2918: $selectionmade = 4;
2919: } elsif ($print_type eq 'select_sequences') {
2920: $selectionmade = 7;
2921: }
2922:
2923: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2924: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2925: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2926: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2927: $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2928: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2929: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
2930: $form{'problem_split'}='yes';
2931: }
2932: my $flag_latex_header_remove = 'NO';
2933: my $flag_page_in_sequence = 'NO';
2934: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
2935: my $prevassignment='';
2936:
2937: &Apache::lonxml::clear_problem_counter();
2938:
2939: for (my $i=0;$i<=$#master_seq;$i++) {
2940:
2941: &Apache::lonenc::reset_enc();
2942:
2943:
2944: # Note due to document structure, not allowed to put \newpage
2945: # prior to the first resource
2946:
2947: if (defined $page_breaks{$master_seq[$i]}) {
2948: if($i != 0) {
2949: $result.="\\newpage\n";
2950: }
2951: }
2952: $result .= &get_extra_vspaces($helper, $master_seq[$i]);
2953: my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
2954: $urlp=&Apache::lonnet::clutter($urlp);
2955: $form{'symb'}=$master_seq[$i];
2956:
2957: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
2958:
2959: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
2960: if ($i==0) {$prevassignment=$assignment;}
2961: my $texversion='';
2962: if ($urlp!~m|^/adm/|
2963: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
2964: my $extension = $1;
2965: $resources_printed .= $urlp.':';
2966: &Apache::lonxml::remember_problem_counter();
2967: if ($flag_latex_header_remove eq 'NO') {
2968: $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); # RF
2969: unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
2970: (($i==0) &&
2971: (($urlp=~/\.page$/) ||
2972: ($print_type eq 'map_problems_in_page') ||
2973: (($print_type eq 'map_resources_in_page') && ($extension !~ /^x?html?$/))))) {
2974: $flag_latex_header_remove = 'YES';
2975: }
2976: }
2977: $texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2978: if ($urlp=~/\.page$/) {
2979: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
2980: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
2981: $texversion =~ s/\\end\{document}\d*/\\end{document}/;
2982: $flag_page_in_sequence = 'YES';
2983: }
2984:
2985: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2986: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2987: # Don't permanently pervert the %form hash
2988: my %answerform = %form;
2989: $answerform{'grade_target'}='answer';
2990: $answerform{'answer_output_mode'}='tex';
2991: $resources_printed .= $urlp.':';
2992:
2993: &Apache::lonxml::restore_problem_counter();
2994: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2995: if ($urlp =~ /\.page$/) {
2996: $answer =~ s/\\end\{document}(\d*)$//;
2997: }
2998: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2999: if ($urlp =~ /\.page$/) {
3000: my @probs = split(/\\keephidden\{ENDOFPROBLEM}/,$texversion);
3001: my $lastprob = pop(@probs);
3002: $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
3003: $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
3004: } else {
3005: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
3006: }
3007: } else {
3008: if ($urlp=~/$LONCAPA::assess_page_re/) {
3009: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3010: # $texversion =~ s/\\begin\{document}//; # FIXME
3011: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
3012: $title = &Apache::lonxml::latex_special_symbols($title);
3013: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
3014: $body .= &path_to_problem ($urlp,$LaTeXwidth);
3015: $body .='\vskip 1 mm '.$answer;
3016: $body = &encapsulate_minipage($body);
3017: $texversion .= $body;
3018: } else {
3019: $texversion='';
3020: }
3021: }
3022:
3023: }
3024: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3025: my $annotation .= &annotate($urlp);
3026: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
3027: }
3028:
3029: if ($flag_latex_header_remove ne 'NO') {
3030: $texversion = &latex_header_footer_remove($texversion);
3031: } else {
3032: $texversion =~ s/\\end\{document}//;
3033: }
3034: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3035: $texversion=&IndexCreation($texversion,$urlp);
3036: }
3037: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
3038: my $name = &get_name();
3039: my $courseidinfo = &get_course();
3040: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
3041: $prevassignment=$assignment;
3042: my $header_text = $parmhash{'print_header_format'};
3043: $header_text = &format_page_header($textwidth, $header_text,
3044: $assignment,
3045: $courseidinfo,
3046: $name);
3047: if ($numberofcolumns eq '1') {
3048: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
3049: } else {
3050: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
3051: }
3052: }
3053: $result .= $texversion;
3054: $flag_latex_header_remove = 'YES';
3055: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
3056: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3057: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
3058: $resources_printed .= $urlp.':';
3059: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
3060: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3061: my $annotation = &annotate($urlp);
3062: $texversion =~ s/(\\end\{document)/$annotation$1/;
3063: }
3064:
3065: if ($flag_latex_header_remove ne 'NO') {
3066: $texversion = &latex_header_footer_remove($texversion);
3067: } else {
3068: $texversion =~ s/\\end\{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
3069: }
3070: $result .= $texversion;
3071: $flag_latex_header_remove = 'YES';
3072: } elsif ($urlp=~ /\.pdf$/i) {
3073: if ($i > 0) {
3074: $result .= '\cleardoublepage';
3075: }
3076: my $texfrompdf = &include_pdf($urlp);
3077: if ($flag_latex_header_remove ne 'NO') {
3078: $texfrompdf = &latex_header_footer_remove($texfrompdf);
3079: }
3080: $result .= $texfrompdf;
3081: if ($i != $#master_seq) {
3082: if ($numberofcolumns eq '1') {
3083: $result .= '\newpage';
3084: } else {
3085: # the \\'s seem to be needed to let LaTeX know there's something
3086: # on the page since LaTeX seems to not like to clear an empty page.
3087: #
3088: $result .= '\\ \cleardoublepage';
3089: }
3090: }
3091: $flag_latex_header_remove = 'YES';
3092:
3093: } else {
3094: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
3095: $master_seq[$i]);
3096: if ($flag_latex_header_remove ne 'NO') {
3097: $texversion = &latex_header_footer_remove($texversion);
3098: } else {
3099: $texversion =~ s/\\end\{document}//;
3100: }
3101: $result .= $texversion;
3102: $flag_latex_header_remove = 'YES';
3103: }
3104: if (&Apache::loncommon::connection_aborted($r)) {
3105: last;
3106: }
3107: }
3108: &Apache::lonxml::clear_problem_counter();
3109: if ($flag_page_in_sequence eq 'YES') {
3110: $result =~ s/\\usepackage\{calc}/\\usepackage{calc}\\usepackage{longtable}/;
3111: }
3112: $result .= '\end{document}';
3113: } elsif (($print_type eq 'problems_for_students') ||
3114: ($print_type eq 'problems_for_students_from_page') ||
3115: ($print_type eq 'all_problems_students') ||
3116: ($print_type eq 'resources_for_students') ||
3117: ($print_type eq 'incomplete_problems_selpeople_course') ||
3118: ($print_type eq 'map_incomplete_problems_people_seq')){
3119:
3120:
3121: #-- prints assignments for whole class or for selected students
3122: my $type;
3123: if (($print_type eq 'problems_for_students') ||
3124: ($print_type eq 'problems_for_students_from_page') ||
3125: ($print_type eq 'all_problems_students') ||
3126: ($print_type eq 'incomplete_problems_selpeople_course') ||
3127: ($print_type eq 'map_incomplete_problems_people_seq')) {
3128: $selectionmade=5;
3129: $type='problems';
3130: } elsif ($print_type eq 'resources_for_students') {
3131: $selectionmade=8;
3132: $type='resources';
3133: }
3134: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
3135: # The normal sort order is by section then by students within the
3136: # section. If the helper var student_sort is 1, then the user has elected
3137: # to override this and output the students by name.
3138: # Each element of the students array is of the form:
3139: # username:domain:section:last, first:status
3140: #
3141: # Note that student sort is not compatible with printing
3142: # 1 section per pdf...so that setting overrides.
3143: #
3144: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
3145: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
3146: @students = sort compare_names @students;
3147: } else {
3148: @students = sort compare_sections @students;
3149: }
3150: &adjust_number_to_print($helper);
3151:
3152: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
3153: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
3154: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
3155: }
3156: # If we are splitting on section boundaries, we need
3157: # to remember that in split_on_sections and
3158: # print all of the students in the list.
3159: #
3160: my $split_on_sections = 0;
3161: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
3162: $split_on_sections = 1;
3163: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
3164: }
3165: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3166:
3167: my $map;
3168: if ($helper->{VARS}->{'symb'}) {
3169: ($map, my $id, my $resource) =
3170: &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
3171: }
3172:
3173: #loop over students
3174:
3175: my $flag_latex_header_remove = 'NO';
3176: my %moreenv;
3177: $moreenv{'instructor_comments'}='hide';
3178: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
3179: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
3180: $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
3181: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3182: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
3183: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
3184: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
3185: $moreenv{'problem_split'}='yes';
3186: }
3187: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1);
3188: my $student_counter=-1;
3189: my $i = 0;
3190: my $last_section = (split(/:/,$students[0]))[2];
3191: my $nohidemap;
3192: if ($perm{'pav'} && $perm{'vgr'}) {
3193: $nohidemap = 1;
3194: }
3195: foreach my $person (@students) {
3196: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
3197: if (-e $duefile) {
3198: my $temp_file = Apache::File->new('>>'.$duefile);
3199: print $temp_file "1969\n";
3200: }
3201: $student_counter++;
3202: if ($split_on_sections) {
3203: my $this_section = (split(/:/,$person))[2];
3204: if ($this_section ne $last_section) {
3205: $i++;
3206: $last_section = $this_section;
3207: }
3208: } else {
3209: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
3210: }
3211: my $actual_seq = master_seq_to_person_seq($map, \@master_seq,
3212: $person, undef, $nohidemap);
3213: my ($output,$fullname, $printed)=&print_resources($r,$helper,
3214: $person,$type,
3215: \%moreenv, $actual_seq,
3216: $flag_latex_header_remove,
3217: $LaTeXwidth);
3218: $resources_printed .= ":";
3219: $print_array[$i].=$output;
3220: $student_names[$i].=$person.':'.$fullname.'_END_';
3221: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
3222: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
3223: $flag_latex_header_remove = 'YES';
3224: if (&Apache::loncommon::connection_aborted($r)) { last; }
3225: }
3226: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3227: $result .= $print_array[0].' \end{document}';
3228: } elsif (($print_type eq 'problems_for_anon') ||
3229: ($print_type eq 'problems_for_anon_page') ||
3230: ($print_type eq 'resources_for_anon') ) {
3231: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
3232: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
3233: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
3234: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
3235: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
3236: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
3237: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
3238: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
3239: my @lines = &Apache::lonnet::get_scantronformat_file();
3240: my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
3241: foreach my $line (@lines) {
3242: chomp($line);
3243: my ($name,$type,$length,$bubbles_per_item) =
3244: (split(/:/,$line))[0,2,4,17];
3245: if ($name eq $code_option) {
3246: $code_length=$length;
3247: if ($type eq 'number') { $code_type = 'number'; }
3248: chomp($bubbles_per_item);
3249: if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
3250: $bubbles_per_row = $bubbles_per_item;
3251: }
3252: }
3253: }
3254: my ($randomorder,$randompick,$map);
3255: if ($helper->{VARS}{'symb'}) {
3256: ($map, my $id, my $resource) =
3257: &Apache::lonnet::decode_symb($helper->{VARS}{'symb'});
3258: my $navmap = Apache::lonnavmaps::navmap->new();
3259: if (defined($navmap)) {
3260: if ($map) {
3261: my $mapres = $navmap->getResourceByUrl($map);
3262: $randomorder = $mapres->randomorder();
3263: $randompick = $mapres->randompick();
3264: }
3265: }
3266: }
3267: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
3268: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3269: $moreenv{'instructor_comments'}='hide';
3270: $moreenv{'bubbles_per_row'} = $bubbles_per_row;
3271: my $seed=time+($$<<16)+($$);
3272: my @allcodes;
3273: if ($old_name) {
3274: my %result=&Apache::lonnet::get('CODEs',
3275: [$old_name,"type\0$old_name"],
3276: $cdom,$cnum);
3277: $code_type=$result{"type\0$old_name"};
3278: @allcodes=split(',',$result{$old_name});
3279: $num_todo=scalar(@allcodes);
3280: } elsif ($selected_code) { # Selection value is always numeric.
3281: $num_todo = 1;
3282: @allcodes = ($selected_code);
3283: } elsif ($single_code) {
3284:
3285: $num_todo = 1; # Unconditionally one code to do.
3286: # If an alpha code have to convert to numbers so it can be
3287: # converted back to letters again :-)
3288: #
3289: if ($code_type ne 'number') {
3290: $single_code = &letters_to_num($single_code);
3291: }
3292: @allcodes = ($single_code);
3293: } else {
3294: my %allcodes;
3295: srand($seed);
3296: for (my $i=0;$i<$num_todo;$i++) {
3297: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
3298: $code_type);
3299: }
3300: $code_name =~ s/^\s+//;
3301: $code_name =~ s/\s+$//;
3302: if ($code_name) {
3303: &Apache::lonnet::put('CODEs',
3304: {
3305: $code_name =>join(',',keys(%allcodes)),
3306: "type\0$code_name" => $code_type
3307: },
3308: $cdom,$cnum);
3309: }
3310: @allcodes=keys(%allcodes);
3311: }
3312: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3313: my ($type) = split(/_/,$print_type);
3314: &adjust_number_to_print($helper);
3315: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
3316: if ($number_per_page eq '0' || $number_per_page eq 'all'
3317: || $number_per_page eq 'section') {
3318: $number_per_page=$num_todo > 0 ? $num_todo : 1;
3319: }
3320: my $flag_latex_header_remove = 'NO';
3321: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo);
3322: my $count=0;
3323: my $nohidemap;
3324: if ($perm{'pav'} && $perm{'vgr'}) {
3325: $nohidemap = 1;
3326: }
3327: foreach my $code (sort(@allcodes)) {
3328: my $file_num=int($count/$number_per_page);
3329: if ($code_type eq 'number') {
3330: $moreenv{'CODE'}=$code;
3331: } else {
3332: $moreenv{'CODE'}=&num_to_letters($code);
3333: }
3334: my $actual_seq = \@master_seq;
3335: if ($randomorder || $randompick) {
3336: $env{'form.CODE'} = $moreenv{'CODE'};
3337: $actual_seq = master_seq_to_person_seq($map, \@master_seq,
3338: undef,
3339: $moreenv{'CODE'}, $nohidemap);
3340: delete($env{'form.CODE'});
3341: }
3342: my ($output,$fullname, $printed)=
3343: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
3344: $actual_seq,$flag_latex_header_remove,
3345: $LaTeXwidth);
3346: $resources_printed .= ":";
3347: $print_array[$file_num].=$output;
3348: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
3349: &mt('last assignment').' '.$fullname);
3350: $flag_latex_header_remove = 'YES';
3351: $count++;
3352: if (&Apache::loncommon::connection_aborted($r)) { last; }
3353: }
3354: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3355: $result .= $print_array[0].' \end{document}';
3356: } elsif ($print_type eq 'problems_from_directory') {
3357: #prints selected problems from the subdirectory
3358: $selectionmade = 6;
3359: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
3360: @list_of_files=sort @list_of_files;
3361: my $flag_latex_header_remove = 'NO';
3362: my $rndseed=time;
3363: if ($helper->{'VARS'}->{'curseed'}) {
3364: $rndseed=$helper->{'VARS'}->{'curseed'};
3365: }
3366: for (my $i=0;$i<=$#list_of_files;$i++) {
3367:
3368: &Apache::lonenc::reset_enc();
3369:
3370: my $urlp = $list_of_files[$i];
3371: $urlp=~s|//|/|;
3372: if ($urlp=~/\//) {
3373: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
3374: $form{'rndseed'}=$rndseed;
3375: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
3376: $resources_printed .= $urlp.':';
3377: my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
3378: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3379: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3380: # Don't permanently pervert %form:
3381: my %answerform = %form;
3382: $answerform{'grade_target'}='answer';
3383: $answerform{'answer_output_mode'}='tex';
3384: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3385: $answerform{'rndseed'}=$rndseed;
3386: $resources_printed .= $urlp.':';
3387: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
3388: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3389: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
3390: } else {
3391: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3392: if ($helper->{'VARS'}->{'construction'} ne '1') {
3393: $texversion.='\vskip 0 mm \noindent ';
3394: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3395: } else {
3396: $texversion.='\vskip 0 mm \noindent\textbf{'.
3397: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
3398: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3399: }
3400: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
3401: }
3402: }
3403: #this chunk is responsible for printing the path to problem
3404:
3405: my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
3406: $texversion =~ s/(\\begin\{minipage}\{\\textwidth})/$1 $newurlp/;
3407: if ($flag_latex_header_remove ne 'NO') {
3408: $texversion = &latex_header_footer_remove($texversion);
3409: } else {
3410: $texversion =~ s/\\end\{document}//;
3411: }
3412: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3413: $texversion=&IndexCreation($texversion,$urlp);
3414: }
3415: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
3416: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
3417:
3418: }
3419: $result .= $texversion;
3420: }
3421: $flag_latex_header_remove = 'YES';
3422: }
3423: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
3424: $result .= '\end{document}';
3425: }
3426: #-------------------------------------------------------- corrections for the different page formats
3427:
3428: # Only post process if that has not been turned off e.g. by a raw latex resource.
3429:
3430: if ($do_postprocessing) {
3431: $result = &page_format_transformation($papersize,
3432: $laystyle,$numberofcolumns,
3433: $print_type,$result,
3434: $helper->{VARS}->{'assignment'},
3435: $helper->{'VARS'}->{'TABLE_CONTENTS'},
3436: $helper->{'VARS'}->{'TABLE_INDEX'},
3437: $selectionmade);
3438: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
3439: $helper->{'VARS'}->{'ANSWER_TYPE'});
3440: #if ($numberofcolumns == 1) {
3441: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
3442: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
3443: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3444: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3445: #}
3446: }
3447:
3448: # Set URLback so we can provide a link back to the resource and to change options.
3449: # (Since the browser back button does not currently work with https,
3450: # the back link is useful even when there is an easy-to-miss LON-CAPA back button.)
3451:
3452: my $URLback=''; #link to original document
3453: if ($helper->{'VARS'}->{'construction'} eq '1') {
3454: $URLback=$helper->{'VARS'}->{'filename'};
3455: } elsif ($helper->{VARS}{'symb'}) {
3456: my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}{'symb'});
3457: $url = &Apache::lonnet::clutter($url);
3458: if ($env{'request.enc'}) {
3459: $url = &Apache::lonenc::encrypted($url);
3460: }
3461: if ($url ne '') {
3462: $URLback = $url.(($url =~ /\?/) ? '&':'?').'symb='.$helper->{VARS}{'symb'};
3463: }
3464: }
3465: #
3466: # Final adjustment of the font size:
3467: #
3468:
3469: $result = set_font_size($result);
3470:
3471: # Insert any babel headers required.
3472:
3473: $result = &collect_languages($result);
3474:
3475:
3476: #-- writing .tex file in prtspool
3477: my $temp_file;
3478: my $identifier = &Apache::loncommon::get_cgi_id();
3479: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
3480: if (!($#print_array>0)) {
3481: unless ($temp_file = Apache::File->new('>'.$filename)) {
3482: $r->log_error("Couldn't open $filename for output $!");
3483: return SERVER_ERROR;
3484: }
3485: print $temp_file $result;
3486: my $begin=index($result,'\begin{document}',0);
3487: my $inc=substr($result,0,$begin+16);
3488: } else {
3489: my $begin=index($result,'\begin{document}',0);
3490: my $inc=substr($result,0,$begin+16);
3491: for (my $i=0;$i<=$#print_array;$i++) {
3492: if ($i==0) {
3493: $print_array[$i]=$result;
3494: } else {
3495: $print_array[$i].='\end{document}';
3496: $print_array[$i] =
3497: &latex_corrections($number_of_columns,$print_array[$i],
3498: $selectionmade,
3499: $helper->{'VARS'}->{'ANSWER_TYPE'});
3500:
3501: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
3502: substr($print_array[$i],0,$anobegin)='';
3503: $print_array[$i]=$inc.$print_array[$i];
3504: }
3505: my $temp_file;
3506: my $newfilename=$filename;
3507: my $num=$i+1;
3508: $newfilename =~s/\.tex$//;
3509: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
3510: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
3511: $r->log_error("Couldn't open $newfilename for output $!");
3512: return SERVER_ERROR;
3513: }
3514: print $temp_file $print_array[$i];
3515: }
3516: }
3517: my $student_names='';
3518: if ($#print_array>0) {
3519: for (my $i=0;$i<=$#print_array;$i++) {
3520: $student_names.=$student_names[$i].'_ENDPERSON_';
3521: }
3522: } else {
3523: if ($#student_names>-1) {
3524: $student_names=$student_names[0].'_ENDPERSON_';
3525: } else {
3526: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
3527: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
3528: $env{'request.course.sec'},$fullname).
3529: '_ENDPERSON_'.'_END_';
3530: }
3531: }
3532:
3533: # logic for now is too complex to trace if this has been defined
3534: # yet.
3535: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3536: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3537: &Apache::lonnet::appenv({'cgi.'.$identifier.'.file' => $filename,
3538: 'cgi.'.$identifier.'.layout' => $laystyle,
3539: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
3540: 'cgi.'.$identifier.'.paper' => $papersize,
3541: 'cgi.'.$identifier.'.selection' => $selectionmade,
3542: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
3543: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
3544: 'cgi.'.$identifier.'.role' => $perm{'pav'},
3545: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
3546: 'cgi.'.$identifier.'.studentnames' => $student_names,
3547: 'cgi.'.$identifier.'.backref' => &escape($URLback),});
3548: &Apache::lonnet::appenv({"cgi.$identifier.user" => $env{'user.name'},
3549: "cgi.$identifier.domain" => $env{'user.domain'},
3550: "cgi.$identifier.courseid" => $cnum,
3551: "cgi.$identifier.coursedom" => $cdom,
3552: "cgi.$identifier.resources" => $resources_printed});
3553:
3554: my $end_page = &Apache::loncommon::end_page();
3555: my $continue_text = &mt('Continue');
3556: # If there's been an unrecoverable SSI error, report it to the user
3557: if ($ssi_error) {
3558: my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
3559: $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
3560: &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
3561: '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
3562: '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
3563: &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
3564: '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
3565: &mt('We apologize for the inconvenience.').'</p>'.
3566: '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
3567: } else {
3568: $r->print(<<FINALEND);
3569: <br />
3570: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
3571: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
3572: $end_page
3573: FINALEND
3574: } # endif ssi errors.
3575: }
3576:
3577:
3578: sub get_CODE {
3579: my ($all_codes,$num,$seed,$size,$type)=@_;
3580: my $max='1'.'0'x$size;
3581: my $newcode;
3582: while(1) {
3583: $newcode=sprintf("%0".$size."d",int(rand($max)));
3584: if (!exists($$all_codes{$newcode})) {
3585: $$all_codes{$newcode}=1;
3586: if ($type eq 'number' ) {
3587: return $newcode;
3588: } else {
3589: return &num_to_letters($newcode);
3590: }
3591: }
3592: }
3593: }
3594:
3595: sub print_resources {
3596: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
3597: $LaTeXwidth)=@_;
3598: my $current_output = '';
3599: my $printed = '';
3600: my ($username,$userdomain,$usersection) = split /:/,$person;
3601: my $fullname = &get_name($username,$userdomain);
3602: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
3603:
3604:
3605: #
3606: # Figure out if we need to filter the output by
3607: # the incomplete problems for that person
3608: #
3609: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
3610: my $print_incomplete = 0;
3611: if (($print_type eq 'map_incomplete_problems_people_seq') ||
3612: ($print_type eq 'incomplete_problems_selpeople_course')) {
3613: $print_incomplete = 1;
3614: }
3615: if ($person eq 'anonymous') {
3616: $namepostfix .=&mt('Name:')." ";
3617: $fullname = "CODE - ".$moreenv->{'CODE'};
3618: }
3619:
3620: # Fullname may have special latex characters that need \ prefixing:
3621: #
3622:
3623: my $i = 0;
3624: my $actually_printed = 0; # Count of resources printed.
3625: #goes through all resources, checks if they are available for
3626: #current student, and produces output
3627:
3628: &Apache::lonxml::clear_problem_counter();
3629: my %page_breaks = &get_page_breaks($helper);
3630: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
3631: #
3632: # end each student with a
3633: # Special that allows the post processor to even out the page
3634: # counts later. Nasty problem this... it would be really
3635: # nice to put the special in as a postscript comment
3636: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
3637: # The special gets passed the \ and dvips puts it in the output file
3638: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
3639: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
3640: #
3641:
3642: my $syllabus_first = 0;
3643: my $current_assignment = "";
3644: my $assignment;
3645: my $courseidinfo = &get_course();
3646: my $possprint = scalar(@{$master_seq});
3647: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
3648: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
3649:
3650: foreach my $curresline (@{$master_seq}) {
3651: if (defined $page_breaks{$curresline}) {
3652: if($i != 0) {
3653: $current_output.= "\\newpage\n";
3654: }
3655: }
3656: $current_output .= &get_extra_vspaces($helper, $curresline);
3657: $i++;
3658: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
3659:
3660: # See if we need to emit a new header:
3661:
3662: if ( !($type eq 'problems' &&
3663: ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
3664: if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
3665: next;
3666: }
3667: $actually_printed++; # we're going to print one.
3668:
3669: if (&Apache::lonnet::allowed('bre',$res_url)) {
3670: if ($res_url!~m|^ext/|
3671: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
3672: $printed .= $curresline.':';
3673: &Apache::lonxml::remember_problem_counter();
3674:
3675: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3676: if ($res_url =~ /\.page$/) {
3677: if ($remove_latex_header eq 'NO') {
3678: if (!($rendered =~ /\\begin\{document\}/)) {
3679: $rendered = &print_latex_header().$rendered;
3680: }
3681: }
3682: ;
3683: if ($remove_latex_header eq 'YES') {
3684: $rendered = &latex_header_footer_remove($rendered);
3685: } else {
3686: $rendered =~ s/\\end\{document}\d*//;
3687: }
3688: }
3689: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3690: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3691: # Use a copy of the hash so we don't pervert it on future loop passes.
3692: my %answerenv = %{$moreenv};
3693: $answerenv{'answer_output_mode'}='tex';
3694:
3695:
3696: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3697:
3698: &Apache::lonxml::restore_problem_counter();
3699:
3700: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
3701:
3702: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3703: $rendered=~s/(\\keephidden\{ENDOFPROBLEM})/$ansrendered$1/;
3704: } else {
3705:
3706:
3707: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3708: unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
3709: $header =~ s/\\begin\{document}//; #<<<<<
3710: }
3711: my $title = &Apache::lonnet::gettitle($curresline);
3712: $title = &Apache::lonxml::latex_special_symbols($title);
3713: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
3714: $body .=&path_to_problem($res_url,$LaTeXwidth);
3715: $body .='\vskip 1 mm '.$ansrendered;
3716: $body = &encapsulate_minipage($body);
3717: $rendered = $header.$body;
3718: }
3719: }
3720: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3721: my $url = &Apache::lonnet::clutter($res_url);
3722: my $annotation = &annotate($url);
3723: $rendered =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
3724: }
3725: my $junk;
3726: if ($remove_latex_header eq 'YES') {
3727: $rendered = &latex_header_footer_remove($rendered);
3728: } else {
3729: $rendered =~ s/\\end\{document}//;
3730: }
3731: $current_output .= $rendered;
3732: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
3733: if ($i == 1) {
3734: $syllabus_first = 1;
3735: }
3736: $printed .= $curresline.':';
3737: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3738: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3739: my $url = &Apache::lonnet::clutter($res_url);
3740: my $annotation = &annotate($url);
3741: $annotation =~ s/(\\end\{document})/$annotation$1/;
3742: }
3743: if ($remove_latex_header eq 'YES') {
3744: $rendered = &latex_header_footer_remove($rendered);
3745: } else {
3746: $rendered =~ s/\\end\{document}//;
3747: }
3748: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
3749: } elsif($res_url = ~/\.pdf$/) {
3750: my $url = &Apache::lonnet::clutter($res_url);
3751: my $rendered = &include_pdf($url);
3752: if ($remove_latex_header ne 'NO') {
3753: $rendered = &latex_header_footer_remove($rendered);
3754: }
3755: $current_output .= $rendered;
3756: } else {
3757: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
3758: if ($remove_latex_header ne 'NO') {
3759: $rendered = &latex_header_footer_remove($rendered);
3760: } else {
3761: $rendered =~ s/\\end\{document}//;
3762: }
3763: $current_output .= $rendered;
3764: }
3765: }
3766: $remove_latex_header = 'YES';
3767: }
3768: $assignment = &Apache::lonxml::latex_special_symbols(
3769: &Apache::lonnet::gettitle($map), 'header');
3770: if (($assignment ne $current_assignment) && ($assignment ne "")) {
3771: my $header_line = &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3772: $assignment, $courseidinfo,
3773: $fullname);
3774: my $header_start = ($columns_in_format == 1) ? '\lhead'
3775: : '\fancyhead[LO]';
3776: $header_line = $header_start.'{'.$header_line.'}';
3777: $current_output = $current_output . $header_line;
3778: $current_assignment = $assignment;
3779: }
3780:
3781: if (&Apache::loncommon::connection_aborted($r)) { last; }
3782: }
3783: # If we are printing incomplete it's possible we don't have
3784: # anything to print. The print subsystem is not so good at handling
3785: # that so we're going to generate a stub that says there are no
3786: # incomplete resources for the person.
3787: #
3788:
3789: if ($actually_printed == 0) {
3790: my $message = &mt('No resources to print');
3791: if (!$possprint) {
3792: if ($perm{'pav'} || $perm{'pfo'}) {
3793: $message = &mt('There are no unhidden resources to print.')."\n\n".
3794: &mt('The most likely reason is one of the following: ')."\n".
3795: '\begin{itemize}'."\n".
3796: '\item '.&mt("The 'Resource hidden from students' parameter is set for the folder being printed.")."\n".
3797: '\item '.&mt("'Hidden' is checked in the Course Editor individually for each resource in the folder being printed.")."\n".
3798: '\end{itemize}'."\n\n".
3799: &mt("Note: to print a bubblesheet exam which you want to hide from students, ".
3800: "use the Course Editor to check the 'Hidden' checkbox for the exam folder itself.")."\n";
3801: }
3802: } elsif ($print_incomplete) {
3803: $message = &mt('No incomplete resources');
3804: }
3805: if ($message) {
3806: $current_output = &encapsulate_minipage("\\vskip -10mm \n$message\n \\vskip 100 mm { }\n");
3807: }
3808: if ($remove_latex_header eq "NO") {
3809: $current_output = &print_latex_header() . $current_output;
3810: } else {
3811: $current_output = &latex_header_footer_remove($current_output);
3812: }
3813: }
3814:
3815: if ($syllabus_first) {
3816: $current_output =~ s/\\\\ Last updated:/Last updated:/
3817: }
3818: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
3819: my $header_line =
3820: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3821: $currentassignment, $courseidinfo, $fullname);
3822: my $header_start = ($columns_in_format == 1) ? '\lhead' : '\fancyhead[LO]';
3823: my $newheader = $header_start.'{'.$header_line.'}';
3824:
3825: if ($current_output=~/\\documentclass/) {
3826: $current_output =~ s/\\begin\{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$newheader$namepostfix}\\vskip 5 mm /;
3827: } else {
3828: my $blankpages =
3829: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
3830:
3831: $current_output = '\strut\vspace*{-6 mm}\\newline'.
3832: ©right_line().' \newpage '.$blankpages.$end_of_student.
3833: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
3834: $newheader.$namepostfix. '} \vskip 5 mm '.$current_output;
3835: }
3836: #
3837: # Close the student bracketing.
3838: #
3839: return ($current_output,$fullname, $printed);
3840:
3841: }
3842:
3843: sub printing_blocked {
3844: my ($r,$blocktext) = @_;
3845: my $title = &mt('Preparing Printout');
3846: &Apache::lonhtmlcommon::clear_breadcrumbs();
3847: &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout',
3848: text=> $title});
3849: my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
3850: &Apache::loncommon::content_type($r,'text/html');
3851: &Apache::loncommon::no_cache($r);
3852: $r->send_http_header;
3853: $r->print(&Apache::loncommon::start_page('Preparing Printout').
3854: $breadcrumbs.
3855: $blocktext.
3856: &Apache::loncommon::end_page());
3857: return;
3858: }
3859:
3860: sub handler {
3861:
3862: my $r = shift;
3863:
3864: if ($env{'request.course.id'}) {
3865: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3866: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3867: my ($blocked,$blocktext) =
3868: &Apache::loncommon::blocking_status('printout',$cnum,$cdom);
3869: if ($blocked) {
3870: my $checkrole = "cm./$cdom/$cnum";
3871: if ($env{'request.course.sec'} ne '') {
3872: $checkrole .= "/$env{'request.course.sec'}";
3873: }
3874: unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
3875: ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
3876: &printing_blocked($r,$blocktext);
3877: return OK;
3878: }
3879: }
3880: }
3881:
3882: &init_perm();
3883: my $helper = printHelper($r);
3884: if (!ref($helper)) {
3885: return $helper;
3886: }
3887:
3888:
3889: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
3890:
3891:
3892:
3893:
3894: # If a figure conversion queue file exists for this user.domain
3895: # we delete it since it can only be bad (if it were good, printout.pl
3896: # would have deleted it the last time around.
3897:
3898: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
3899: if(-e $conversion_queuefile) {
3900: unlink $conversion_queuefile;
3901: }
3902:
3903:
3904: &output_data($r,$helper,\%parmhash);
3905: return OK;
3906: }
3907:
3908: use Apache::lonhelper;
3909:
3910: sub addMessage {
3911: my $text = shift;
3912: my $paramHash = Apache::lonhelper::getParamHash();
3913: $paramHash->{MESSAGE_TEXT} = $text;
3914: Apache::lonhelper::message->new();
3915: }
3916:
3917:
3918:
3919: sub init_perm {
3920: undef(%perm);
3921: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
3922: if (!$perm{'pav'}) {
3923: $perm{'pav'}=&Apache::lonnet::allowed('pav',
3924: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3925: }
3926: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
3927: if (!$perm{'pfo'}) {
3928: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
3929: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3930: }
3931: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
3932: if (!$perm{'vgr'}) {
3933: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
3934: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3935: }
3936: }
3937:
3938: sub get_randomly_ordered_warning {
3939: my ($helper,$map) = @_;
3940:
3941: my $message;
3942:
3943: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
3944: my $navmap = Apache::lonnavmaps::navmap->new();
3945: if (defined($navmap)) {
3946: my $res = $navmap->getResourceByUrl($map);
3947: if ($res) {
3948: my $func =
3949: sub { return ($_[0]->is_map() && $_[0]->randomorder); };
3950: my @matches = $navmap->retrieveResources($res, $func,1,1,1);
3951:
3952: }
3953: } else {
3954: $message = "Retrieval of information about ordering of resources failed.";
3955: return '<message type="warning">'.$message.'</message>';
3956: }
3957: return;
3958: }
3959:
3960: sub printHelper {
3961: my $r = shift;
3962:
3963: if ($r->header_only) {
3964: if ($env{'browser.mathml'}) {
3965: &Apache::loncommon::content_type($r,'text/xml');
3966: } else {
3967: &Apache::loncommon::content_type($r,'text/html');
3968: }
3969: $r->send_http_header;
3970: return OK;
3971: }
3972:
3973: # Send header, nocache
3974: if ($env{'browser.mathml'}) {
3975: &Apache::loncommon::content_type($r,'text/xml');
3976: } else {
3977: &Apache::loncommon::content_type($r,'text/html');
3978: }
3979: &Apache::loncommon::no_cache($r);
3980: $r->send_http_header;
3981: $r->rflush();
3982:
3983: # Unfortunately, this helper is so complicated we have to
3984: # write it by hand
3985:
3986: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
3987:
3988: my $helper = Apache::lonhelper::helper->new("Printing Helper");
3989: $helper->declareVar('symb');
3990: $helper->declareVar('postdata');
3991: $helper->declareVar('curseed');
3992: $helper->declareVar('probstatus');
3993: $helper->declareVar('filename');
3994: $helper->declareVar('construction');
3995: $helper->declareVar('assignment');
3996: $helper->declareVar('style_file');
3997: $helper->declareVar('student_sort');
3998: $helper->declareVar('FINISHPAGE');
3999: $helper->declareVar('PRINT_TYPE');
4000: $helper->declareVar("showallfoils");
4001: $helper->declareVar("STUDENTS");
4002: $helper->declareVar("EXTRASPACE");
4003:
4004:
4005:
4006:
4007: # The page breaks and extra spaces
4008: # can get loaded initially from the course environment:
4009: # But we only do this in the initial state so that they are allowed to change.
4010: #
4011:
4012:
4013: &Apache::loncommon::restore_course_settings('print',
4014: {'pagebreaks' => 'scalar',
4015: 'extraspace' => 'scalar',
4016: 'extraspace_units' => 'scalar',
4017: 'lastprinttype' => 'scalar'});
4018:
4019: # This will persistently load in the data we want from the
4020: # very first screen.
4021:
4022: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
4023: if (!defined ($env{"form.CURRENT_STATE"})) {
4024:
4025: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
4026: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
4027: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
4028: } else {
4029: my $state = $env{"form.CURRENT_STATE"};
4030: if ($state eq "START") {
4031: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
4032: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
4033: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
4034:
4035: }
4036: }
4037:
4038: }
4039:
4040: # Detect whether we're coming from construction space
4041: if ($env{'form.postdata'}=~m{^/priv}) {
4042: $helper->{VARS}->{'filename'} = $env{'form.postdata'};
4043: $helper->{VARS}->{'construction'} = 1;
4044: } else {
4045: if ($env{'form.postdata'}) {
4046: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
4047: if ( $helper->{VARS}->{'symb'} eq '') {
4048: $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
4049: }
4050: }
4051: if ($env{'form.symb'}) {
4052: $helper->{VARS}->{'symb'} = $env{'form.symb'};
4053: }
4054: if ($env{'form.url'}) {
4055: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
4056: }
4057:
4058: }
4059:
4060: if ($env{'form.symb'}) {
4061: $helper->{VARS}->{'symb'} = $env{'form.symb'};
4062: }
4063: if ($env{'form.url'}) {
4064: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
4065: }
4066: if ($helper->{VARS}->{'symb'} ne '') {
4067: $helper->{VARS}->{'symb'}=
4068: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
4069: }
4070: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
4071: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
4072:
4073:
4074: # Extract map
4075: my $symb = $helper->{VARS}->{'symb'};
4076: my ($map, $id, $url);
4077: my $subdir;
4078: my $is_published=0; # True when printing from resource space.
4079: my $res_printable = 1; # By default the current resource is printable.
4080: my $res_error;
4081: my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
4082: my $res_printstartdate;
4083: my $res_printenddate;
4084: my $map_open = 0;
4085: my $map_close = 0xffffffff;
4086: my $course_open = 0;
4087: my $course_close = 0xffffffff;
4088:
4089: # Get the resource name from construction space
4090: if ($helper->{VARS}->{'construction'}) {
4091: $resourceTitle = substr($helper->{VARS}->{'filename'},
4092: rindex($helper->{VARS}->{'filename'}, '/')+1);
4093: $subdir = substr($helper->{VARS}->{'filename'},
4094: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
4095: } else {
4096: # From course space:
4097:
4098: if ($symb ne '') {
4099: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
4100: $helper->{VARS}->{'postdata'} =
4101: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
4102: if (!$userCanPrint) {
4103: my $navmap = Apache::lonnavmaps::navmap->new();
4104: if (ref($navmap)) {
4105: my $res = $navmap->getBySymb($symb);
4106: if (ref($res)) {
4107: $res_printable = $res->resprintable(); #printability in course context
4108: ($res_printstartdate, $res_printenddate) = &get_print_dates($res);
4109: ($course_open, $course_close) = &course_print_dates($res);
4110: ($map_open, $map_close) = &map_print_dates($res);
4111: } else {
4112: $res_error = 1;
4113: }
4114: } else {
4115: $res_error = 1;
4116: }
4117: }
4118: } else {
4119: # Resource space.
4120:
4121: $url = $helper->{VARS}->{'postdata'};
4122: $is_published=1; # From resource space.
4123: }
4124: $url = &Apache::lonnet::clutter($url);
4125: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
4126: my $postdata = $helper->{VARS}->{'postdata'};
4127: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
4128: }
4129: $subdir = &Apache::lonnet::filelocation("", $url);
4130:
4131:
4132: }
4133: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
4134: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
4135: }
4136:
4137: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4138: $helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
4139: }
4140:
4141: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
4142:
4143: Apache::lonhelper::registerHelperTags();
4144:
4145: # "Delete everything after the last slash."
4146: $subdir =~ s|/[^/]+$||;
4147:
4148: # What can be printed is a very dynamic decision based on
4149: # lots of factors. So we need to dynamically build this list.
4150: # To prevent security leaks, states are only added to the wizard
4151: # if they can be reached, which ensures manipulating the form input
4152: # won't allow anyone to reach states they shouldn't have permission
4153: # to reach.
4154:
4155: # printChoices is tracking the kind of printing the user can
4156: # do, and will be used in a choices construction later.
4157: # In the meantime we will be adding states and elements to
4158: # the helper by hand.
4159: my $printChoices = [];
4160: my $paramHash;
4161:
4162: # If there is a current resource and it is printable
4163: # Give that as a choice.
4164:
4165: if ($resourceTitle && $res_printable) {
4166: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
4167: }
4168:
4169: # Useful filter strings
4170:
4171: my $isPrintable = ' && $res->resprintable()';
4172:
4173: my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
4174: $isProblem .= $isPrintable unless $userCanPrint;
4175: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
4176: my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
4177: $isProblemOrMap .= $isPrintable unless $userCanPrint;
4178: my $isNotMap = '(!$res->is_sequence())';
4179: $isNotMap .= $isPrintable unless $userCanPrint;
4180: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
4181: my $isMap = '$res->is_map()';
4182: $isMap .= $isPrintable unless $userCanPrint;
4183: my $symbFilter = '$res->shown_symb() ';
4184: my $urlValue = '$res->link()';
4185:
4186: $helper->declareVar('SEQUENCE');
4187:
4188: # If we're in a sequence...
4189:
4190: my $start_new_option;
4191: if ($perm{'pav'}) {
4192: $start_new_option =
4193: "<option text='".&mt('Start new page[_1]before selected','<br />').
4194: "' variable='FINISHPAGE' />".
4195: "<option text='".&mt('Extra space[_1]before selected','<br />').
4196: "' variable='EXTRASPACE' type='text' />" .
4197: "<option " .
4198: "' variable='POSSIBLE_RESOURCES' type='hidden' />".
4199: "<option text='".&mt('Space units[_1]check for mm','<br />').
4200: "' variable='EXTRASPACE_UNITS' type='checkbox' />"
4201: ;
4202:
4203:
4204: }
4205:
4206: # If not construction space user can print the components of a page:
4207:
4208: my $page_ispage;
4209: my $page_title;
4210: if (!$helper->{VARS}->{'construction'}) {
4211: my $varspostdata = $helper->{VARS}->{'postdata'};
4212: my $varsassignment = $helper->{VARS}->{'assignment'};
4213: my $page_navmap = Apache::lonnavmaps::navmap->new();
4214: if (defined($page_navmap)) {
4215: my @page_resources = $page_navmap->retrieveResources($url);
4216: if(defined($page_resources[0])) {
4217: $page_ispage = $page_resources[0]->is_page();
4218: $page_title = $page_resources[0]->title();
4219: my $resourcesymb = $page_resources[0]->symb();
4220: my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
4221: if ($page_ispage) {
4222: push @{$printChoices},
4223: [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4224: 'map_problems_in_page',
4225: 'CHOOSE_PROBLEMS_PAGE'];
4226: push @{$printChoices},
4227: [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4228: 'map_resources_in_page',
4229: 'CHOOSE_RESOURCES_PAGE'];
4230: }
4231: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
4232: 'Select Problem(s) to print',
4233: "multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
4234: 'RESOURCES',
4235: 'PAGESIZE',
4236: $url,
4237: $isProblem, '', $symbFilter,
4238: $start_new_option);
4239:
4240:
4241: $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
4242: 'Select Resource(s) to print',
4243: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4244: 'RESOURCES',
4245: 'PAGESIZE',
4246: $url,
4247: $isNotMap, '', $symbFilter,
4248: $start_new_option);
4249:
4250:
4251:
4252:
4253:
4254: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4255:
4256: }
4257: }
4258: }
4259:
4260: if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
4261: $helper->{VARS}->{'postdata'} &&
4262: $helper->{VARS}->{'assignment'}) {
4263:
4264: # BZ 5209 - Print incomplete problems from sequence:
4265: # the exact form of this depends on whether or not we are privileged or a mere
4266: # plebe of s student:
4267:
4268: my $printSelector = 'map_incomplete_problems_seq';
4269: my $nextState = 'CHOOSE_INCOMPLETE_SEQ';
4270: my $textSuffix = '';
4271:
4272: if ($userCanPrint) {
4273: $printSelector = 'map_incomplete_problems_people_seq';
4274: $nextState = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
4275: $textSuffix = ' for selected students';
4276: my $helperStates =
4277: &create_incomplete_folder_selstud_helper($helper, $map);
4278: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4279: } else {
4280: if (&printable($map_open, $map_close)) {
4281: my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student.
4282: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4283: } else {
4284: # TODO: Figure out how to break the news...this folder is not printable.
4285: }
4286: }
4287:
4288: if ($userCanPrint || &printable($map_open, $map_close)) {
4289: push(@{$printChoices},
4290: [&mt('Selected [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
4291: '<b>', '</b>',
4292: '<b><i>'. $sequenceTitle . '</b></i>'),
4293: $printSelector,
4294: $nextState]);
4295: }
4296: # Allow problems from sequence
4297: if ($userCanPrint || &printable($map_open, $map_close)) {
4298: push @{$printChoices},
4299: [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4300: 'map_problems',
4301: 'CHOOSE_PROBLEMS'];
4302: # Allow all resources from sequence
4303: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4304: 'map_problems_pages',
4305: 'CHOOSE_PROBLEMS_HTML'];
4306: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
4307: 'Select Problem(s) to print',
4308: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4309: 'RESOURCES',
4310: 'PAGESIZE',
4311: $map,
4312: $isProblem, '',
4313: $symbFilter,
4314: $start_new_option);
4315: $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
4316: 'Select Resource(s) to print',
4317: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
4318: 'RESOURCES',
4319: 'PAGESIZE',
4320: $map,
4321: $isNotMap, '',
4322: $symbFilter,
4323: $start_new_option);
4324:
4325: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4326: } else {
4327: # TODO: Figure out how to tell them the folder is not printable.
4328: }
4329: }
4330: # If the user has pfo (print for others) allow them to print all
4331: # problems and resources in the entire course, optionally for selected students
4332: my $post_data = $helper->{VARS}->{'postdata'};
4333:
4334: if ($perm{'pfo'} && !$is_published &&
4335: ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
4336:
4337: # BZ 5209 - incomplete problems from entire course:
4338:
4339: push(@{$printChoices},
4340: [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
4341: 'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
4342: my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
4343:
4344: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4345:
4346: # Selected problems/resources from entire course:
4347:
4348: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
4349: push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
4350: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
4351: my $suffixXml = <<ALL_PROBLEMS;
4352: <state name="STUDENTS1" title="Select People">
4353: <message><b>Select sorting order of printout</b> </message>
4354: <choices variable='student_sort'>
4355: <choice computer='0'>Sort by section then student</choice>
4356: <choice computer='1'>Sort by students across sections.</choice>
4357: </choices>
4358: <message><br /><hr /><br /> </message>
4359: <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
4360: </state>
4361: ALL_PROBLEMS
4362: &Apache::lonxml::xmlparse($r, 'helper',
4363: &generate_resource_chooser('ALL_PROBLEMS',
4364: 'Select Problem(s) to print',
4365: 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
4366: 'RESOURCES',
4367: 'PAGESIZE',
4368: '',
4369: $isProblemOrMap, $isNotMap,
4370: $symbFilter,
4371: $start_new_option) .
4372: &generate_resource_chooser('ALL_RESOURCES',
4373: 'Select Resource(s) to print',
4374: " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
4375: 'RESOURCES',
4376: 'PAGESIZE',
4377: '',
4378: $isNotMap,'',$symbFilter,
4379: $start_new_option) .
4380: &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
4381: 'Select Problem(s) to print',
4382: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
4383: 'RESOURCES',
4384: 'STUDENTS1',
4385: '',
4386: $isProblemOrMap,'' , $symbFilter,
4387: $start_new_option) .
4388: $suffixXml
4389: );
4390:
4391: if ($helper->{VARS}->{'assignment'}) {
4392:
4393: # If we were looking at a page, allow a selection of problems from the page
4394: # either for selected students or for coded assignments.
4395:
4396: if ($page_ispage) {
4397: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
4398: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4399: 'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
4400: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
4401: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4402: 'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
4403: }
4404: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
4405: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4406: 'problems_for_students', 'CHOOSE_STUDENTS'];
4407: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
4408: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4409: 'problems_for_anon', 'CHOOSE_ANON1'];
4410: }
4411:
4412: my $randomly_ordered_warning =
4413: &get_randomly_ordered_warning($helper, $map);
4414:
4415: # resource_selector will hold a few states that:
4416: # - Allow resources to be selected for printing.
4417: # - Determine pagination between assignments.
4418: # - Determine how many assignments should be bundled into a single PDF.
4419: # TODO:
4420: # Probably good to do things like separate this up into several vars, each
4421: # with one state, and use REGEXPs at inclusion time to set state names
4422: # and next states for better mix and match capability
4423: #
4424: my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
4425: 'Select resources to print',
4426: 'multichoice="1" addstatus="1" closeallpages="1"',
4427: 'RESOURCES',
4428: 'PRINT_FORMATTING',
4429: $map,
4430: $isProblem, '', $symbFilter,
4431: $start_new_option);
4432: $resource_selector .= &generate_format_selector($helper,
4433: 'How should results be printed?',
4434: 'PRINT_FORMATTING').
4435: &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
4436: 'Select Problem(s) to print',
4437: "multichoice='1' addstatus='1' closeallpages ='1'",
4438: 'RESOURCES',
4439: 'PRINT_FORMATTING',
4440: $url,
4441: $isProblem, '', $symbFilter,
4442: $start_new_option);
4443:
4444:
4445: # Generate student choosers.
4446:
4447:
4448:
4449: &Apache::lonxml::xmlparse($r, 'helper',
4450: &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
4451: 'student_sort',
4452: 'STUDENTS',
4453: 'CHOOSE_STUDENTS_PAGE'));
4454: &Apache::lonxml::xmlparse($r, 'helper',
4455: &generate_student_chooser('CHOOSE_STUDENTS',
4456: 'student_sort',
4457: 'STUDENTS',
4458: 'SELECT_PROBLEMS'));
4459: &Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
4460:
4461: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4462: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4463: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
4464: my $namechoice='<choice></choice>';
4465: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
4466: if ($name =~ /^error: 2 /) { next; }
4467: if ($name =~ /^type\0/) { next; }
4468: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
4469: }
4470:
4471:
4472: my %code_values;
4473: my %codes_to_print;
4474: foreach my $key (@names) {
4475: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
4476: foreach my $key (keys(%code_values)) {
4477: $codes_to_print{$key} = 1;
4478: }
4479: }
4480:
4481: my $code_selection;
4482: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
4483: my $choice = $code;
4484: if ($code =~ /^[A-Z]+$/) { # Alpha code
4485: $choice = &letters_to_num($code);
4486: }
4487: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
4488: }
4489: if (%codes_to_print) {
4490: $code_selection .='
4491: <message><b>Choose single CODE from list:</b></message>
4492: <message></td><td></message>
4493: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
4494: <choice></choice>
4495: <exec>
4496: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
4497: </exec>
4498: </dropdown>
4499: <message></td></tr><tr><td></message>
4500: '.$/;
4501:
4502: }
4503:
4504: my @lines = &Apache::lonnet::get_scantronformat_file();
4505: my $codechoice='';
4506: foreach my $line (@lines) {
4507: my ($name,$description,$code_type,$code_length)=
4508: (split(/:/,$line))[0,1,2,4];
4509: if ($code_length > 0 &&
4510: $code_type =~/^(letter|number|-1)/) {
4511: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
4512: }
4513: }
4514: if ($codechoice eq '') {
4515: $codechoice='<choice computer="default">Default</choice>';
4516: }
4517: my $anon1 = &generate_code_selector($helper,
4518: 'CHOOSE_ANON1',
4519: 'SELECT_PROBLEMS',
4520: $codechoice,
4521: $code_selection,
4522: $namechoice) . $resource_selector;
4523:
4524:
4525: &Apache::lonxml::xmlparse($r, 'helper',$anon1);
4526:
4527: my $anon_page = &generate_code_selector($helper,
4528: 'CHOOSE_ANON1_PAGE',
4529: 'SELECT_PROBLEMS_PAGE',
4530: $codechoice,
4531: $code_selection,
4532: $namechoice) .
4533: &generate_resource_chooser('SELECT_PROBLEMS_PAGE',
4534: 'Select Problem(s) to print',
4535: "multichoice='1' addstatus='1' closeallpages ='1'",
4536: 'RESOURCES',
4537: 'PRINT_FORMATTING',
4538: $url,
4539: $isProblem, '', $symbFilter,
4540: $start_new_option);
4541: &Apache::lonxml::xmlparse($r, 'helper', $anon_page);
4542:
4543:
4544: if ($helper->{VARS}->{'assignment'}) {
4545:
4546: # Assignment printing:
4547:
4548: 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'];
4549: 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'];
4550: }
4551:
4552:
4553: $resource_selector=<<RESOURCE_SELECTOR;
4554: <state name="SELECT_RESOURCES" title="Select Resources">
4555: $randomly_ordered_warning
4556: <nextstate>PRINT_FORMATTING</nextstate>
4557: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
4558: <resource variable="RESOURCES" multichoice="1" addstatus="1"
4559: closeallpages="1">
4560: <filterfunc>return $isNotMap;</filterfunc>
4561: <mapurl>$map</mapurl>
4562: <valuefunc>return $symbFilter;</valuefunc>
4563: $start_new_option
4564: </resource>
4565: </state>
4566: RESOURCE_SELECTOR
4567:
4568: $resource_selector .= &generate_format_selector($helper,
4569: 'Format of the print job',
4570: 'PRINT_FORMATTING');
4571: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
4572: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
4573: <choices variable='student_sort'>
4574: <choice computer='0'>Sort by section then student</choice>
4575: <choice computer='1'>Sort by students across sections.</choice>
4576: </choices>
4577: <message><br /><hr /><br /></message>
4578: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
4579:
4580: </state>
4581: $resource_selector
4582: CHOOSE_STUDENTS1
4583:
4584: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
4585: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
4586: <nextstate>SELECT_RESOURCES</nextstate>
4587: <message><h4>Fill out one of the forms below</h4></message>
4588: <message><br /><hr /> <br /></message>
4589: <message><h3>Generate new CODEd Assignments</h3></message>
4590: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
4591: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
4592: <validator>
4593: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
4594: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4595: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
4596: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4597: return "You need to specify the number of assignments to print";
4598: }
4599: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
4600: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
4601: return 'Specifying number of codes to print and a specific code is not compatible';
4602: }
4603: return undef;
4604: </validator>
4605: </string>
4606: <message></td></tr><tr><td></message>
4607: <message><b>Names to save the CODEs under for later:</b></message>
4608: <message></td><td></message>
4609: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
4610: <message></td></tr><tr><td></message>
4611: <message><b>Bubblesheet type:</b></message>
4612: <message></td><td></message>
4613: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
4614: $codechoice
4615: </dropdown>
4616: <message></td></tr><tr><td></table></message>
4617: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
4618: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
4619: <string variable="SINGLE_CODE" size="10">
4620: <validator>
4621: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
4622: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4623: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4624: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
4625: \$helper->{'VARS'}{'CODE_OPTION'});
4626: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
4627: return 'Specifying a code name is incompatible specifying number of codes.';
4628: } else {
4629: return undef; # Other forces control us.
4630: }
4631: </validator>
4632: </string>
4633: <message></td></tr><tr><td></message>
4634: $code_selection
4635: <message></td></tr></table></message>
4636: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
4637: <message><b>Select saved CODEs:</b></message>
4638: <message></td><td></message>
4639: <dropdown variable="REUSE_OLD_CODES">
4640: $namechoice
4641: </dropdown>
4642: <message></td></tr></table></message>
4643: </state>
4644: $resource_selector
4645: CHOOSE_ANON2
4646: }
4647:
4648: # FIXME: That RE should come from a library somewhere.
4649: if (($perm{'pav'}
4650: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
4651: && (defined($helper->{'VARS'}->{'construction'})
4652: ||
4653: (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
4654: &&
4655: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
4656: ))
4657: && $helper->{VARS}->{'assignment'} eq ""
4658: ) {
4659: my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
4660: 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'];
4661: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
4662: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
4663:
4664: <files variable="FILES" multichoice='1'>
4665: <nextstate>PAGESIZE</nextstate>
4666: <filechoice>return '$subdir';</filechoice>
4667: CHOOSE_FROM_SUBDIR
4668:
4669: # this is broken up because I really want interpolation above,
4670: # and I really DON'T want it below
4671: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
4672: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
4673: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
4674: </filefilter>
4675: </files>
4676: </state>
4677: CHOOSE_FROM_SUBDIR
4678: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4679: }
4680:
4681: # Allow the user to select any sequence in the course, feed it to
4682: # another resource selector for that sequence
4683: if (!$helper->{VARS}->{'construction'} && !$is_published) {
4684: push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
4685: 'select_sequences', 'CHOOSE_SEQUENCE'];
4686: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
4687: #Escape apostrophes and backslashes for Perl
4688: $escapedSequenceName =~ s/\\/\\\\/g;
4689: $escapedSequenceName =~ s/'/\\'/g;
4690: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
4691: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
4692: <message>Select the sequence to print resources from:</message>
4693: <resource variable="SEQUENCE">
4694: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
4695: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
4696: <valuefunc>return $urlValue;</valuefunc>
4697: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
4698: </choicefunc>
4699: </resource>
4700: </state>
4701: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
4702: <message>(mark desired resources then click "next" button) <br /></message>
4703: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
4704: closeallpages="1">
4705: <nextstate>PAGESIZE</nextstate>
4706: <filterfunc>return $isNotMap</filterfunc>
4707: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
4708: <valuefunc>return $symbFilter;</valuefunc>
4709: $start_new_option
4710: </resource>
4711: </state>
4712: CHOOSE_FROM_ANY_SEQUENCE
4713: }
4714:
4715: my $numchoices = 0;
4716: if (ref($printChoices) eq 'ARRAY') {
4717: $numchoices = @{$printChoices};
4718: }
4719: # Early out if nothing to print
4720: if (!$numchoices) {
4721: $r->print(&Apache::loncommon::start_page('Printing Helper').
4722: '<h2>'.&mt('Unable to determine print context').'</h2>'.
4723: '<p>'.&mt('Please display a resource, and then click the "Print" button/icon').'</p>');
4724: my $prtspool=$r->dir_config('lonPrtDir');
4725: my $footer = &recently_generated($prtspool);
4726: $r->print($footer.&Apache::loncommon::end_page());
4727: return OK;
4728: }
4729:
4730: # Generate the first state, to select which resources get printed.
4731: Apache::lonhelper::state->new("START", "Select Printing Options:");
4732: if (!$res_printable) {
4733: my $noprintmsg;
4734: if ($res_error) {
4735: $noprintmsg = &mt('Print availability for current resource could not be determined');
4736: } else {
4737: my $now = time;
4738: my $shownprintstart = &Apache::lonlocal::locallocaltime($res_printstartdate);
4739: my $shownprintend = &Apache::lonlocal::locallocaltime($res_printenddate);
4740: if (($res_printenddate) && ($res_printenddate < $now)) {
4741: $noprintmsg = &mt('Printing for current resource no longer available (ended: [_1])',
4742: $shownprintend);
4743: } else {
4744: if (($res_printstartdate) && ($res_printstartdate > $now)) {
4745: if (($res_printenddate) && ($res_printenddate > $now) && ($res_printenddate > $res_printstartdate)) {
4746: $noprintmsg = &mt('Printing for current resource is only possible between [_1] and [_2]',
4747: $shownprintstart,$shownprintend);
4748: } elsif (!$res_printenddate) {
4749: $noprintmsg = &mt('Printing for current resource will only be possible starting [_1]',
4750: $shownprintstart);
4751: } else {
4752: $noprintmsg = &mt('Printing for current resource is unavailable');
4753: }
4754: }
4755: }
4756: }
4757:
4758: if ($noprintmsg) {
4759: $paramHash = Apache::lonhelper::getParamHash();
4760: $paramHash->{MESSAGE_TEXT} =
4761: '<p class="LC_info">'.$noprintmsg.'</p>';
4762: Apache::lonhelper::message->new();
4763: }
4764: }
4765: $paramHash = Apache::lonhelper::getParamHash();
4766: $paramHash = Apache::lonhelper::getParamHash();
4767: $paramHash->{MESSAGE_TEXT} = "";
4768: Apache::lonhelper::message->new();
4769: $paramHash = Apache::lonhelper::getParamHash();
4770: $paramHash->{'variable'} = 'PRINT_TYPE';
4771: $paramHash->{CHOICES} = $printChoices;
4772: Apache::lonhelper::choices->new();
4773:
4774: my $startedTable = 0; # have we started an HTML table yet? (need
4775: # to close it later)
4776:
4777: if (($perm{'pav'} and $perm{'vgr'}) or
4778: ($helper->{VARS}->{'construction'} eq '1')) {
4779: &addMessage('<br />'
4780: .'<h3>'.&mt('Print Options').'</h3>'
4781: .&Apache::lonhtmlcommon::start_pick_box()
4782: .&Apache::lonhtmlcommon::row_title(
4783: '<label for="ANSWER_TYPE_forminput">'
4784: .&mt('Print Answers')
4785: .'</label>'
4786: )
4787: );
4788: $paramHash = Apache::lonhelper::getParamHash();
4789: $paramHash->{'variable'} = 'ANSWER_TYPE';
4790: $helper->declareVar('ANSWER_TYPE');
4791: $paramHash->{CHOICES} = [
4792: ['Without Answers', 'yes'],
4793: ['With Answers', 'no'],
4794: ['Only Answers', 'only']
4795: ];
4796: Apache::lonhelper::dropdown->new();
4797: &addMessage(&Apache::lonhtmlcommon::row_closure());
4798: $startedTable = 1;
4799:
4800: #
4801: # Select font size.
4802: #
4803:
4804: $helper->declareVar('fontsize');
4805: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
4806: my $xmlfrag = << "FONT_SELECTION";
4807:
4808:
4809: <dropdown variable='fontsize' multichoice='0', allowempty='0'>
4810: <defaultvalue>
4811: return 'normalsize';
4812: </defaultvalue>
4813: <choice computer='tiny'>Tiny</choice>
4814: <choice computer='sub/superscriptsize'>Script Size</choice>
4815: <choice computer='footnotesize'>Footnote Size</choice>
4816: <choice computer='small'>Small</choice>
4817: <choice computer='normalsize'>Normal (default)</choice>
4818: <choice computer='large'>larger than normal</choice>
4819: <choice computer='Large'>Even larger than normal</choice>
4820: <choice computer='LARGE'>Still larger than normal</choice>
4821: <choice computer='huge'>huge font size</choice>
4822: <choice computer='Huge'>Largest possible size</choice>
4823: </dropdown>
4824: FONT_SELECTION
4825: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4826: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4827: }
4828:
4829: if ($perm{'pav'}) {
4830: if (!$startedTable) {
4831: addMessage("<hr width='33%' /><table><tr><td align='right'>".
4832: '<label for="LATEX_TYPE_forminput">'.
4833: &mt('LaTeX mode').
4834: "</label>: </td><td>");
4835: $startedTable = 1;
4836: } else {
4837: &addMessage(&Apache::lonhtmlcommon::row_title(
4838: '<label for="LATEX_TYPE_forminput">'
4839: .&mt('LaTeX mode')
4840: .'</label>'
4841: )
4842: );
4843: }
4844: $paramHash = Apache::lonhelper::getParamHash();
4845: $paramHash->{'variable'} = 'LATEX_TYPE';
4846: $helper->declareVar('LATEX_TYPE');
4847: if ($helper->{VARS}->{'construction'} eq '1') {
4848: $paramHash->{CHOICES} = [
4849: ['standard LaTeX mode', 'standard'],
4850: ['LaTeX batchmode', 'batchmode'], ];
4851: } else {
4852: $paramHash->{CHOICES} = [
4853: ['LaTeX batchmode', 'batchmode'],
4854: ['standard LaTeX mode', 'standard'] ];
4855: }
4856: Apache::lonhelper::dropdown->new();
4857:
4858: &addMessage(&Apache::lonhtmlcommon::row_closure()
4859: .&Apache::lonhtmlcommon::row_title(
4860: '<label for="TABLE_CONTENTS_forminput">'
4861: .&mt('Print Table of Contents')
4862: .'</label>'
4863: )
4864: );
4865: $paramHash = Apache::lonhelper::getParamHash();
4866: $paramHash->{'variable'} = 'TABLE_CONTENTS';
4867: $helper->declareVar('TABLE_CONTENTS');
4868: $paramHash->{CHOICES} = [
4869: ['No', 'no'],
4870: ['Yes', 'yes'] ];
4871: Apache::lonhelper::dropdown->new();
4872: &addMessage(&Apache::lonhtmlcommon::row_closure());
4873:
4874: if (not $helper->{VARS}->{'construction'}) {
4875: &addMessage(&Apache::lonhtmlcommon::row_title(
4876: '<label for="TABLE_INDEX_forminput">'
4877: .&mt('Print Index')
4878: .'</label>'
4879: )
4880: );
4881: $paramHash = Apache::lonhelper::getParamHash();
4882: $paramHash->{'variable'} = 'TABLE_INDEX';
4883: $helper->declareVar('TABLE_INDEX');
4884: $paramHash->{CHOICES} = [
4885: ['No', 'no'],
4886: ['Yes', 'yes'] ];
4887: Apache::lonhelper::dropdown->new();
4888: &addMessage(&Apache::lonhtmlcommon::row_closure());
4889: &addMessage(&Apache::lonhtmlcommon::row_title(
4890: '<label for="PRINT_DISCUSSIONS_forminput">'
4891: .&mt('Print Discussions')
4892: .'</label>'
4893: )
4894: );
4895: $paramHash = Apache::lonhelper::getParamHash();
4896: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
4897: $helper->declareVar('PRINT_DISCUSSIONS');
4898: $paramHash->{CHOICES} = [
4899: ['No', 'no'],
4900: ['Yes', 'yes'] ];
4901: Apache::lonhelper::dropdown->new();
4902: &addMessage(&Apache::lonhtmlcommon::row_closure());
4903:
4904: # Prompt for printing annotations too.
4905:
4906: &addMessage(&Apache::lonhtmlcommon::row_title(
4907: '<label for="PRINT_ANNOTATIONS_forminput">'
4908: .&mt('Print Annotations')
4909: .'</label>'
4910: )
4911: );
4912: $paramHash = Apache::lonhelper::getParamHash();
4913: $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
4914: $helper->declareVar("PRINT_ANNOTATIONS");
4915: $paramHash->{CHOICES} = [
4916: ['No', 'no'],
4917: ['Yes', 'yes']];
4918: Apache::lonhelper::dropdown->new();
4919: &addMessage(&Apache::lonhtmlcommon::row_closure());
4920:
4921: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
4922: $paramHash = Apache::lonhelper::getParamHash();
4923: $paramHash->{'multichoice'} = "true";
4924: $paramHash->{'allowempty'} = "true";
4925: $paramHash->{'variable'} = "showallfoils";
4926: $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
4927: Apache::lonhelper::choices->new();
4928: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4929: }
4930:
4931: if ($helper->{'VARS'}->{'construction'}) {
4932: my $stylevalue='$Apache::lonnet::env{"construct.style"}';
4933: my $randseedtext=&mt("Use random seed");
4934: my $stylefiletext=&mt("Use style file");
4935: my $selectfiletext=&mt("Select style file");
4936:
4937: my $xmlfrag .= '<message>'
4938: .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
4939: .$randseedtext
4940: .'</label>'
4941: )
4942: .'</message>
4943: <string variable="curseed" size="15" maxlength="15">
4944: <defaultvalue>
4945: return '.$helper->{VARS}->{'curseed'}.';
4946: </defaultvalue>'
4947: .'</string>'
4948: .'<message>'
4949: .&Apache::lonhtmlcommon::row_closure()
4950: .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
4951: .$stylefiletext
4952: .'</label>'
4953: )
4954: .'</message>
4955: <string variable="style_file" size="40">
4956: <defaultvalue>
4957: return '.$stylevalue.';
4958: </defaultvalue>
4959: </string><message> '
4960: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
4961: .$selectfiletext.'</a>'
4962: .&Apache::lonhtmlcommon::row_closure()
4963: .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
4964: .'</message>
4965: <choices allowempty="1" multichoice="true" variable="showallfoils">
4966: <choice computer="1"> </choice>
4967: </choices>'
4968: .'<message>'
4969: .&Apache::lonhtmlcommon::row_closure()
4970: .'</message>';
4971: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4972:
4973:
4974: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
4975: #
4976: # Initial value from construction space:
4977: #
4978: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4979: $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value
4980: }
4981: $xmlfrag = << "PROBTYPE";
4982: <dropdown variable="probstatus" multichoice="0" allowempty="0">
4983: <defaultvalue>
4984: return "$helper->{VARS}->{'probstatus'}";
4985: </defaultvalue>
4986: <choice computer="problem">Homework Problem</choice>
4987: <choice computer="exam">Exam Problem</choice>
4988: <choice computer="survey">Survey question</choice>
4989: ,choice computer="anonsurvey"Anonymous survey question</choice>
4990: </dropdown>
4991: PROBTYPE
4992: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4993: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4994:
4995:
4996:
4997: }
4998: }
4999:
5000:
5001:
5002:
5003: if ($startedTable) {
5004: &addMessage(&Apache::lonhtmlcommon::end_pick_box());
5005: }
5006:
5007: Apache::lonprintout::page_format_state->new("FORMAT");
5008:
5009: # Generate the PAGESIZE state which will offer the user the margin
5010: # choices if they select one column
5011: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
5012: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
5013:
5014:
5015: $helper->process();
5016:
5017:
5018: # MANUAL BAILOUT CONDITION:
5019: # If we're in the "final" state, bailout and return to handler
5020: if ($helper->{STATE} eq 'FINAL') {
5021: return $helper;
5022: }
5023:
5024: my $footer;
5025: if ($helper->{STATE} eq 'START') {
5026: my $prtspool=$r->dir_config('lonPrtDir');
5027: $footer = &recently_generated($prtspool);
5028: }
5029: $r->print($helper->display($footer));
5030: &Apache::lonhelper::unregisterHelperTags();
5031:
5032: return OK;
5033: }
5034:
5035:
5036: 1;
5037:
5038: package Apache::lonprintout::page_format_state;
5039:
5040: =pod
5041:
5042: =head1 Helper element: page_format_state
5043:
5044: See lonhelper.pm documentation for discussion of the helper framework.
5045:
5046: Apache::lonprintout::page_format_state is an element that gives the
5047: user an opportunity to select the page layout they wish to print
5048: with: Number of columns, portrait/landscape, and paper size. If you
5049: want to change the paper size choices, change the @paperSize array
5050: contents in this package.
5051:
5052: page_format_state is always directly invoked in lonprintout.pm, so there
5053: is no tag interface. You actually pass parameters to the constructor.
5054:
5055: =over 4
5056:
5057: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
5058:
5059: =back
5060:
5061: =cut
5062:
5063: use Apache::lonhelper;
5064:
5065: no strict;
5066: @ISA = ("Apache::lonhelper::element");
5067: use strict;
5068: use Apache::lonlocal;
5069: use Apache::lonnet;
5070:
5071: my $maxColumns = 2;
5072: # it'd be nice if these all worked
5073: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
5074: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
5075: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
5076: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
5077: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
5078: "a4 [210x297 mm]");
5079:
5080: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
5081: # Paper type
5082:
5083: sub new {
5084: my $self = Apache::lonhelper::element->new();
5085:
5086: shift;
5087:
5088: $self->{'variable'} = shift;
5089: my $helper = Apache::lonhelper::getHelper();
5090: $helper->declareVar($self->{'variable'});
5091: bless($self);
5092: return $self;
5093: }
5094:
5095: sub render {
5096: my $self = shift;
5097: my $helper = Apache::lonhelper::getHelper();
5098: my $result = '';
5099: my $var = $self->{'variable'};
5100: my $PageLayout=&mt('Page layout');
5101: my $NumberOfColumns=&mt('Number of columns');
5102: my $PaperType=&mt('Paper type');
5103: my $landscape=&mt('Landscape');
5104: my $portrait=&mt('Portrait');
5105:
5106:
5107: $result.='<h3>'.&mt('Layout Options').'</h3>'
5108: .&Apache::loncommon::start_data_table()
5109: .&Apache::loncommon::start_data_table_header_row()
5110: .'<th>'.$PageLayout.'</th>'
5111: .'<th>'.$NumberOfColumns.'</th>'
5112: .'<th>'.$PaperType.'</th>'
5113: .&Apache::loncommon::end_data_table_header_row()
5114: .&Apache::loncommon::start_data_table_row()
5115: .'<td>'
5116: .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
5117: .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
5118: .'</td>';
5119:
5120: $result.='<td align="center">'
5121: .'<select name="'.${var}.'.cols">';
5122:
5123: my $i;
5124: for ($i = 1; $i <= $maxColumns; $i++) {
5125: if ($i == 2) {
5126: $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
5127: } else {
5128: $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
5129: }
5130: }
5131:
5132: $result .= "</select></td><td>\n";
5133: $result .= "<select name='${var}.paper'>\n";
5134:
5135: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
5136: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
5137: $DefaultPaperSize=~s/\s//g;
5138: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
5139: $i = 0;
5140: foreach (@paperSize) {
5141: $_=~/(\w+)/;
5142: my $papersize=$1;
5143: if ($paperSize[$i]=~/$DefaultPaperSize/) {
5144: $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
5145: } else {
5146: $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
5147: }
5148: $i++;
5149: }
5150: $result .= <<HTML;
5151: </select>
5152: </td>
5153: HTML
5154: $result.=&Apache::loncommon::end_data_table_row()
5155: .&Apache::loncommon::end_data_table();
5156:
5157: return $result;
5158: }
5159:
5160: sub postprocess {
5161: my $self = shift;
5162:
5163: my $var = $self->{'variable'};
5164: my $helper = Apache::lonhelper->getHelper();
5165: $helper->{VARS}->{$var} =
5166: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
5167: $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
5168: return 1;
5169: }
5170:
5171: 1;
5172:
5173: package Apache::lonprintout::page_size_state;
5174:
5175: =pod
5176:
5177: =head1 Helper element: page_size_state
5178:
5179: See lonhelper.pm documentation for discussion of the helper framework.
5180:
5181: Apache::lonprintout::page_size_state is an element that gives the
5182: user the opportunity to further refine the page settings if they
5183: select a single-column page.
5184:
5185: page_size_state is always directly invoked in lonprintout.pm, so there
5186: is no tag interface. You actually pass parameters to the constructor.
5187:
5188: =over 4
5189:
5190: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
5191:
5192: =back
5193:
5194: =cut
5195:
5196: use Apache::lonhelper;
5197: use Apache::lonnet;
5198: no strict;
5199: @ISA = ("Apache::lonhelper::element");
5200: use strict;
5201:
5202:
5203:
5204: sub new {
5205: my $self = Apache::lonhelper::element->new();
5206:
5207: shift; # disturbs me (probably prevents subclassing) but works (drops
5208: # package descriptor)... - Jeremy
5209:
5210: $self->{'variable'} = shift;
5211: my $helper = Apache::lonhelper::getHelper();
5212: $helper->declareVar($self->{'variable'});
5213:
5214: # The variable name of the format element, so we can look into
5215: # $helper->{VARS} to figure out whether the columns are one or two
5216: $self->{'formatvar'} = shift;
5217:
5218:
5219: $self->{NEXTSTATE} = shift;
5220: bless($self);
5221:
5222: return $self;
5223: }
5224:
5225: sub render {
5226: my $self = shift;
5227: my $helper = Apache::lonhelper::getHelper();
5228: my $result = '';
5229: my $var = $self->{'variable'};
5230:
5231:
5232:
5233: if (defined $self->{ERROR_MSG}) {
5234: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
5235: }
5236:
5237: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5238:
5239: # Use format to get sensible defaults for the margins:
5240:
5241:
5242: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5243: ($papersize) = split(/ /, $papersize);
5244:
5245: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5246:
5247:
5248:
5249: my %size;
5250: ($size{'width_and_units'},
5251: $size{'height_and_units'},
5252: $size{'margin_and_units'})=
5253: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5254:
5255: foreach my $dimension ('width','height','margin') {
5256: ($size{$dimension},$size{$dimension.'_unit'}) =
5257: split(/ +/, $size{$dimension.'_and_units'},2);
5258:
5259: foreach my $unit ('cm','in') {
5260: $size{$dimension.'_options'} .= '<option ';
5261: if ($size{$dimension.'_unit'} eq $unit) {
5262: $size{$dimension.'_options'} .= 'selected="selected" ';
5263: }
5264: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
5265: }
5266: }
5267:
5268: # Adjust margin for LaTeX margin: .. requires units == cm or in.
5269:
5270: if ($size{'margin_unit'} eq 'in') {
5271: $size{'margin'} += 1;
5272: } else {
5273: $size{'margin'} += 2.54;
5274: }
5275: my %lt = &Apache::lonlocal::texthash(
5276: 'format' => 'How should each column be formatted?',
5277: 'width' => 'Width',
5278: 'height' => 'Height',
5279: 'margin' => 'Left Margin'
5280: );
5281:
5282: $result .= '<p>'.$lt{'format'}.'</p>'
5283: .&Apache::lonhtmlcommon::start_pick_box()
5284: .&Apache::lonhtmlcommon::row_title($lt{'width'})
5285: .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
5286: .'<select name="'.$var.'.widthunit">'
5287: .$size{'width_options'}
5288: .'</select>'
5289: .&Apache::lonhtmlcommon::row_closure()
5290: .&Apache::lonhtmlcommon::row_title($lt{'height'})
5291: .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
5292: .'<select name="'.$var.'.heightunit">'
5293: .$size{'height_options'}
5294: .'</select>'
5295: .&Apache::lonhtmlcommon::row_closure()
5296: .&Apache::lonhtmlcommon::row_title($lt{'margin'})
5297: .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
5298: .'<select name="'.$var.'.lmarginunit">'
5299: .$size{'margin_options'}
5300: .'</select>'
5301: .&Apache::lonhtmlcommon::row_closure(1)
5302: .&Apache::lonhtmlcommon::end_pick_box();
5303: # <p>Hint: Some instructors like to leave scratch space for the student by
5304: # making the width much smaller than the width of the page.</p>
5305:
5306: return $result;
5307: }
5308:
5309:
5310: sub preprocess {
5311: my $self = shift;
5312: my $helper = Apache::lonhelper::getHelper();
5313:
5314: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5315:
5316: # If the user does not have 'pav' privilege, set default widths and
5317: # on to the next state right away.
5318: #
5319: if (!$perm{'pav'}) {
5320: my $var = $self->{'variable'};
5321: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5322:
5323: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5324: ($papersize) = split(/ /, $papersize);
5325:
5326:
5327: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5328:
5329: # Figure out some good defaults for the print out and set them:
5330:
5331: my %size;
5332: ($size{'width'},
5333: $size{'height'},
5334: $size{'lmargin'})=
5335: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5336:
5337: foreach my $dim ('width', 'height', 'lmargin') {
5338: my ($value, $units) = split(/ /, $size{$dim});
5339:
5340: $helper->{VARS}->{"$var.".$dim} = $value;
5341: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
5342:
5343: }
5344:
5345:
5346: # Transition to the next state
5347:
5348: $helper->changeState($self->{NEXTSTATE});
5349: }
5350:
5351: return 1;
5352: }
5353:
5354: sub postprocess {
5355: my $self = shift;
5356:
5357: my $var = $self->{'variable'};
5358: my $helper = Apache::lonhelper->getHelper();
5359: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
5360: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
5361: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
5362: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
5363: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
5364: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
5365:
5366: my $error = '';
5367:
5368: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
5369: # by an optional period, followed by digits, ending the string
5370:
5371: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5372: $error .= "Invalid width; please type only a number.<br />\n";
5373: }
5374: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5375: $error .= "Invalid height; please type only a number.<br />\n";
5376: }
5377: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5378: $error .= "Invalid left margin; please type only a number.<br />\n";
5379: } else {
5380: # Adjust for LaTeX 1.0 inch margin:
5381:
5382: if ($env{"form.${var}.lmarginunit"} eq "in") {
5383: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
5384: } else {
5385: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
5386: }
5387: }
5388:
5389: if (!$error) {
5390: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
5391: return 1;
5392: } else {
5393: $self->{ERROR_MSG} = $error;
5394: return 0;
5395: }
5396: }
5397:
5398: __END__
5399:
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