1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.664 2018/10/03 17:57:56 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: # http://www.lon-capa.org/
26: #
27: #
28: package Apache::lonprintout;
29: use strict;
30: use Apache::Constants qw(:common :http);
31: use Apache::lonxml;
32: use Apache::lonnet;
33: use Apache::loncommon;
34: use Apache::inputtags;
35: use Apache::grades;
36: use Apache::edit;
37: use Apache::File();
38: use Apache::lonnavmaps;
39: use Apache::admannotations;
40: use Apache::lonenc;
41: use Apache::entities;
42: use Apache::londefdef;
43: # use Apache::structurelags; # for language management.
44:
45: use File::Basename;
46:
47: use HTTP::Response;
48: use LONCAPA::map();
49: use Apache::lonlocal;
50: use Carp;
51: use LONCAPA;
52:
53:
54: my %perm;
55: my %parmhash;
56: my $resources_printed;
57:
58: # Global variables that describe errors in ssi calls detected by ssi_with_retries.
59: #
60:
61: my $ssi_error; # True if there was an ssi error.
62: my $ssi_last_error_resource; # The resource URI that could not be fetched.
63: my $ssi_last_error; # The error text from the server. (e.g. 500 Server timed out).
64:
65: #
66: # Our ssi max retry count.
67: #
68:
69: my $ssi_retry_count = 5; # Some arbitrary value.
70:
71:
72: # Font size:
73:
74: my $font_size = 'normalsize'; # Default is normalsize...
75:
76: #---------------------------- Helper helpers. -------------------------
77:
78: ##
79: # Filter function to determine if a resource is a printable sequence.
80: #
81: # @param $res -Resource to check.
82: #
83: # @return 1 - printable and a resource
84: # 0 - either notm a sequence or not printable.
85: #
86: sub printable_sequence {
87: my $res = shift;
88:
89: # Non-sequences are not listed:
90:
91: if (!$res->is_sequence()) {
92: return 0;
93: }
94:
95: # Person with pav or pfo can always print:
96:
97: if ($perm{'pav'} || $perm{'pfo'}) {
98: return 1;
99: }
100:
101: if ($res->is_sequence()) {
102: my $symb = $res->symb();
103: my $navmap = $res->{NAV_MAP};
104:
105: # Find the first resource in the map:
106:
107: my $iterator = $navmap->getIterator($res, undef, undef, 1, 1);
108: my $first = $iterator->next();
109:
110: while (1) {
111: if ($first == $iterator->END_ITERATOR) { last; }
112: if (ref($first) && ! $first->is_sequence()) {last; }
113: $first = $iterator->next();
114: }
115:
116:
117: # Might be an empty map:
118:
119: if (!ref($first)) {
120: return 0;
121: }
122: my $partsref = $first->parts();
123: my @parts = @$partsref;
124: my ($open, $close) = $navmap->map_printdates($first, $parts[0]);
125: return &printable($open, $close);
126: }
127: return 0;
128: }
129:
130: # BZ5209:
131: # Create the states needed to run the helper for incomplete problems from
132: # the current folder for selected students.
133: # This includes:
134: # - A resource selector limited to problems (incompleteness must be
135: # calculated on a student per student basis.
136: # - A student selector.
137: # - Tie in to the FORMAT of the print job.
138: #
139: # States:
140: # CHOOSE_INCOMPLETE_PEOPLE_SEQ - Resource selection.
141: # CHOOSE_STUDENTS_INCOMPLETE - Student selection.
142: # CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection
143: # Parameters:
144: # helper - the helper which already contains info about the current folder we can
145: # purloin.
146: # url - Top url of the sequence
147: # Return:
148: # XML that can be parsed by the helper to drive the state machine.
149: #
150: sub create_incomplete_folder_selstud_helper {
151: my ($helper, $map) = @_;
152:
153:
154: my $symbFilter = '$res->shown_symb()';
155: my $selFilter = '$res->is_problem()';
156:
157:
158: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ',
159: 'Select problem(s) to print',
160: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1"',
161: 'RESOURCES',
162: 'CHOOSE_STUDENTS_INCOMPLETE',
163: $map,
164: $selFilter,
165: '',
166: $symbFilter,
167: '');
168:
169: my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE',
170: 'student_sort',
171: 'STUDENTS',
172: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT');
173:
174: my $format_chooser = &generate_format_selector($helper,
175: 'Format of the print job',
176: 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
177:
178: return $resource_chooser . $student_chooser . $format_chooser;
179: }
180:
181:
182: # BZ 5209
183: # Create the states needed to run the helper for incomplete problems from
184: # the current folder for selected students.
185: # This includes:
186: # - A resource selector limited to problems. (incompleteness must be calculated
187: # on a student per student basis.
188: # - A student selector.
189: # - Tie in to format for the print job.
190: # States:
191: # INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector.
192: # INCOMPLETE_PROBLEMS_COURSE_STUDENTS - Student selector.
193: # INCOMPLETE_PROBLEMS_COURSE_FORMAT - Format selection.
194: #
195: # Parameters:
196: # helper - Helper we are creating states for.
197: # Returns:
198: # Text that can be parsed by the helper.
199: #
200:
201: sub create_incomplete_course_helper {
202: my $helper = shift;
203:
204: my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
205: my $symbfilter = '$res->shown_symb()';
206:
207: my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES',
208: 'Select problem(s) to print',
209: 'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1" modallink="1"',
210: 'RESOURCES',
211: 'INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
212: '',
213: $filter,
214: '',
215: $symbfilter,
216: '');
217:
218: my $people_chooser = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
219: 'student_sort',
220: 'STUDENTS',
221: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT');
222:
223: my $format = &generate_format_selector($helper,
224: 'Format of the print job',
225: 'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
226:
227: return $resource_chooser . $people_chooser . $format;
228:
229:
230: }
231:
232: # BZ5209
233: # Creates the states needed to run the print helper for a student
234: # that wants to print his incomplete problems from the current folder.
235: # Parameters:
236: # $helper - helper we are generating states for.
237: # $map - The map for which the student wants incomplete problems.
238: # Returns:
239: # XML that defines the helper states being created.
240: #
241: # States:
242: # CHOOSE_INCOMPLETE_SEQ - Resource selector.
243: #
244: sub create_incomplete_folder_helper {
245: my ($helper, $map) = @_;
246:
247: my $filter = '$res->is_problem()';
248: $filter .= ' && $res->resprintable() ';
249: $filter .= ' && $res->is_incomplete() ';
250:
251: my $symfilter = '$res->shown_symb()';
252:
253: my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ',
254: 'Select problem(s) to print',
255: 'multichoice="1", toponly ="1", addstatus="1", closeallpages="1" modallink="1"',
256: 'RESOURCES',
257: 'PAGESIZE',
258: $map,
259: $filter, '',
260: $symfilter,
261: '');
262:
263: return $resource_chooser;
264: }
265:
266:
267: # Returns the text neded for a student chooser.
268: # that text must still be parsed by the helper xml parser.
269: # Parameters:
270: # this_state - State name of the chooser.
271: # sort_choice - variable to hold the sorting choice.
272: # variable - Name of variable to hold students.
273: # next_state - State after chooser.
274:
275:
276: sub generate_student_chooser {
277: my ($this_state,
278: $sort_choice,
279: $variable,
280: $next_state) = @_;
281: my $result = <<CHOOSE_STUDENTS;
282: <state name="$this_state" title="Select Students and Resources">
283: <message><b>Select sorting order of printout</b> </message>
284:
285: <choices variable="$sort_choice">
286: <choice computer='0'>Sort by section then student</choice>
287: <choice computer='1'>Sort by students across sections.</choice>
288: </choices>
289:
290: <message><br /><hr /><br /> </message>
291: <student multichoice='1'
292: variable="$variable"
293: nextstate="$next_state"
294: coursepersonnel="1" />
295: </state>
296:
297: CHOOSE_STUDENTS
298:
299: return $result;
300: }
301:
302: # Generate the text needed for a resource chooser given the top level of
303: # the sequence/page
304: #
305: # Parameters:
306: # this_state - State name of the chooser.
307: # prompt_text - Text to use to prompt user.
308: # resource_options - Resource tag options e.g.
309: # "multichoice='1', toponly='1', addstatus='1',
310: # modallink='1'"
311: # that control the selection and appearance of the
312: # resource selector.
313: # variable - Name of the variable to hold the choice
314: # next_state - Name of the next state the helper should transition
315: # to
316: # top_url - Top level URL within which to make the selector.
317: # If empty the top level sequence is shown.
318: # filter - How to filter the resources.
319: # value_func - <valuefunc> function.
320: # choice_func - If not empty generates a <choicefunc> with this function.
321: # start_new_option
322: # - Fragment appended after valuefunc.
323: #
324: #
325: sub generate_resource_chooser {
326: my ($this_state,
327: $prompt_text,
328: $resource_options,
329: $variable,
330: $next_state,
331: $top_url,
332: $filter,
333: $choice_func,
334: $value_func,
335: $start_new_option) = @_;
336:
337: my $result = <<CHOOSE_RESOURCES;
338: <state name="$this_state" title="$prompt_text">
339: <resource variable="$variable" $resource_options
340: closeallpages="1">
341: <nextstate>$next_state</nextstate>
342: <filterfunc>return $filter;</filterfunc>
343: CHOOSE_RESOURCES
344: if ($choice_func ne '') {
345: $result .= "<choicefunc>return $choice_func;</choicefunc>";
346: }
347: if ($top_url ne '') {
348: $result .= "<mapurl>$top_url</mapurl>";
349: }
350: $result .= <<CHOOSE_RESOURCES;
351: <valuefunc>return $value_func;</valuefunc>
352: $start_new_option
353: </resource>
354: </state>
355: CHOOSE_RESOURCES
356: return $result;
357: }
358: #
359: # Generate the helper XML for a code choice helper dialog:
360: #
361: # Paramters:
362: # $helper - Reference to the helper.
363: # $state - Name of the state for the chooser.
364: # $next_state - Name fo the state to follow the chooser.
365: # $bubble_types - Populates the bubble sheet type dropt down.
366: # $code_selections - Provides set of code choices that have been used
367: # $saved_codes - Provides the list of saved codes.
368: #
369: # Returns;
370: # The Xml of the code chooser.
371: #
372: sub generate_code_selector {
373: my ($helper,
374: $state,
375: $next_state,
376: $bubble_types,
377: $code_selections,
378: $saved_codes) = @_; # Unpack the parameters.
379:
380: my $result = <<CHOOSE_ANON1;
381: <state name="$state" title="Specify CODEd Assignments">
382: <nextstate>$next_state</nextstate>
383: <message><h4>Fill out one of the forms below</h4></message>
384: <message><br /><hr /> <br /></message>
385: <message><h3>Generate new CODEd Assignments</h3></message>
386: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
387: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
388: <validator>
389: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
390: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
391: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
392: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
393:
394: return "You need to specify the number of assignments to print";
395: }
396: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
397: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
398: return 'Specifying number of codes to print and a specific code is not compatible';
399: }
400: return undef;
401: </validator>
402: </string>
403: <message></td></tr><tr><td></message>
404: <message><b>Names to save the CODEs under for later:</b></message>
405: <message></td><td></message>
406: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
407: <message></td></tr><tr><td></message>
408: <message><b>Bubblesheet type:</b></message>
409: <message></td><td></message>
410: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
411: $bubble_types
412: </dropdown>
413: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
414: <message></td></tr><tr><td></table></message>
415: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
416: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
417: <string variable="SINGLE_CODE" size="10">
418: <validator>
419: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
420: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
421: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
422: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
423: \$helper->{'VARS'}{'CODE_OPTION'});
424: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
425: return 'Specifying a code name is incompatible with specifying number of codes.';
426: } else {
427: return undef; # Other forces control us.
428: }
429: </validator>
430: </string>
431: <message></td></tr><tr><td></message>
432: $code_selections
433: <message></td></tr></table></message>
434: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
435: <message><b>Select saved CODEs:</b></message>
436: <message></td><td></message>
437: <dropdown variable="REUSE_OLD_CODES">
438: $saved_codes
439: </dropdown>
440: <message></td></tr></table></message>
441: </state>
442: CHOOSE_ANON1
443:
444: return $result;
445: }
446:
447: # Returns the XML for choosing how assignments are to be formatted
448: # that text must still be parsed by the helper xml parser.
449: # Parameters: 3 (required)
450:
451: # helper - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
452: # to check if splitting PDFs by section can be offered.
453: # title - Title for the current state.
454: # this_state - State name of the chooser.
455:
456: sub generate_format_selector {
457: my ($helper,$title,$this_state) = @_;
458: my $secpdfoption;
459: unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
460: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
461: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
462: $secpdfoption = '<choice computer="sections">Each PDF contains exactly one section</choice>';
463: }
464: return <<RESOURCE_SELECTOR;
465: <state name="$this_state" title="$title">
466: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
467: <choices variable="EMPTY_PAGES">
468: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
469: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
470: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
471: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
472: </choices>
473: <nextstate>PAGESIZE</nextstate>
474: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
475: <choices variable="SPLIT_PDFS">
476: <choice computer="all">All assignments in a single PDF file</choice>
477: $secpdfoption
478: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
479: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
480: Specify the number of assignments per PDF:</choice>
481: </choices>
482: </state>
483: RESOURCE_SELECTOR
484: }
485:
486: #-----------------------------------------------------------------------
487:
488: # Computes an open and close date from a list of open/close dates for a resource's
489: # parts.
490: #
491: # @param \@opens - reference to an array of open dates.
492: # @param \@closes - reference to an array of close dates.
493: #
494: # @return ($open, $close)
495: #
496: # @note If open/close dates are not defined they will be returned as undef
497: # @note It is possible for there to be no overlap in which case -1,-1
498: # will be returned.
499: # @note The algorithm used is to take the latest open date and the earliest end date.
500: #
501: sub compute_open_window {
502: my ($opensref, $closesref) = @_;
503:
504: my @opens = @$opensref;
505: my @closes = @$closesref;
506:
507: # latest open date:
508: my $latest_open;
509:
510: foreach my $open (@opens) {
511: if (!defined($latest_open) || ($open > $latest_open)) {
512: $latest_open = $open;
513: }
514: }
515: # Earliest close:
516:
517: my $earliest_close;
518: foreach my $close (@closes) {
519: if (!defined($earliest_close) || ($close < $earliest_close)) {
520: $earliest_close = $close;
521: }
522: }
523:
524: # If no overlap...both are -1 as promised.
525:
526: if (($earliest_close ne '') && ($latest_open ne '')
527: && ($earliest_close < $latest_open)) {
528: $latest_open = -1;
529: $earliest_close = -1;
530: }
531:
532: return ($latest_open, $earliest_close);
533:
534: }
535:
536: ##
537: # Determines if 'now' is within the set of printable dates.
538: #
539: # @param $open_date - Starting date/timestamp.
540: # @param $close_date - Ending date/timestamp.
541: #
542: # @return 0 - Not open.
543: # @return 1 - open.
544: #
545: sub printable {
546: my ($open_date, $close_date) = @_;
547:
548:
549: my $now = time();
550:
551: # Have to do a bit of fancy footwork around undefined open/close dates:
552:
553: if ($open_date && ($open_date > $now)) {
554: return 0;
555: }
556:
557: if ($close_date && ($close_date < $now)) {
558: return 0;
559: }
560:
561: return 1;
562:
563: }
564:
565: ##
566: # Returns the innermost print start/print end dates for a resource.
567: # This is done by looking at the start/end dates for its parts and choosing
568: # the intersection of those dates.
569: #
570: # @param res - lonnvamaps::resource object that represents the resource.
571: #
572: # @return (opendate, closedate)
573: #
574: # @note If open/close dates are not defined they will be returned as undef
575: # @note It is possible for there to be no overlap in which case -1,-1
576: # will be returned.
577: # @note The algorithm used is to take the latest open date and the earliest end date.
578: # For consistency with &printable() in lonnavmaps.pm determination of start
579: # date for printing checks printstartdate param first, then, if not set,
580: # opendate param, then, if not set, contentopen param.
581:
582: sub get_print_dates {
583: my $res = shift;
584: my $partsref = $res->parts();
585: my @parts;
586: if (ref($partsref) eq 'ARRAY') {
587: @parts = @{$partsref};
588: }
589: my $open_date;
590: my $close_date;
591: my @open_dates;
592: my @close_dates;
593:
594:
595: if (@parts) {
596: foreach my $part (@parts) {
597: my $partopen = $res->parmval('printstartdate', $part);
598: my $partclose = $res->parmval('printenddate', $part);
599: if (!$partopen) {
600: $partopen = $res->parmval('opendate',$part);
601: }
602: if (!$partopen) {
603: $partopen = $res->parmval('contentopen',$part);
604: }
605: if ($partopen) {
606: push(@open_dates, $partopen);
607: }
608: if ($partclose) {
609: push(@close_dates, $partclose);
610: }
611: push(@open_dates, $partopen);
612: push(@close_dates, $partclose);
613: }
614: }
615:
616: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
617:
618: return ($open_date, $close_date);
619: }
620:
621: ##
622: # Get the dates for which a course says a resource can be printed. This is like
623: # get_print_dates but namvaps::course_print_dates are gotten...and not converted
624: # to times either.
625: #
626: # @param $res - Reference to a resource has from lonnvampas::resource.
627: #
628: # @return (opendate, closedate)
629: #
630: sub course_print_dates {
631: my $res = shift;
632: my $partsref = $res->parts();
633: my @parts = @$partsref;
634: my $open_date;
635: my $close_date;
636: my @open_dates;
637: my @close_dates;
638: my $navmap = $res->{NAV_MAP}; # Slightly OO dirty.
639:
640: # Don't bother looping over undefined or empty parts arraY;
641:
642: if (@parts) {
643: foreach my $part (@parts) {
644: my ($partopen, $partclose) = $navmap->course_printdates($res, $part);
645: push(@open_dates, $partopen);
646: push(@close_dates, $partclose);
647: }
648: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
649: }
650: return ($open_date, $close_date);
651: }
652: ##
653: # Same as above but for the enclosing map:
654: #
655: sub map_print_dates {
656: my $res = shift;
657: my $partsref = $res->parts();
658: my @parts = @$partsref;
659: my $open_date;
660: my $close_date;
661: my @open_dates;
662: my @close_dates;
663: my $navmap = $res->{NAV_MAP}; # slightly OO dirty.
664:
665:
666: # Don't bother looping over undefined or empty parts arraY;
667:
668: if (@parts) {
669: foreach my $part (@parts) {
670: my ($partopen, $partclose) = $navmap->map_printdates($res, $part);
671: push(@open_dates, $partopen);
672: push(@close_dates, $partclose);
673: }
674: ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
675: }
676: return ($open_date, $close_date);
677: }
678:
679: # Determine if a resource is incomplete given the map:
680: # Parameters:
681: # $username - Name of user for whom we are checking.
682: # $domain - Domain of user we are checking.
683: # $map - map name.
684: # Returns:
685: # 0 - map is not incomplete.
686: # 1 - map is incomplete.
687: #
688: sub incomplete {
689: my ($username, $domain, $map) = @_;
690:
691:
692: my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
693:
694:
695: if (defined($navmap)) {
696: my $res = $navmap->getResourceByUrl($map);
697: my $result = $res->is_incomplete();
698: return $result;
699: } else {
700: return 1;
701: }
702: }
703: #
704: # When printing for students, the resources and order of the
705: # resources may need to be altered if there are folders with
706: # random selectiopn or random ordering (or both) enabled.
707: # This sub computes the set of resources to print for a student
708: # modified both by random ordering and selection and filtered
709: # to only those that are in the original set selected to be printed.
710: #
711: # Parameters:
712: # $map - The URL of the folder being printed.
713: # Used to determine which startResource and finishResource
714: # to use when using the navmap's getIterator method.
715: # $seq - The original set of resources to print.
716: # (really an array of resource names (array of symb's).
717: # $who - Student/domain for whome the sequence will be generated.
718: # $code - CODE being printed when printing Problems/Resources
719: # from folder for CODEd assignments
720: # $nohidemap - If true, parameter in map for hiddenresource will be
721: # ignored. The user calling the routine should have
722: # both the pav and vgr privileges if this is set to true).
723: #
724: # Implicit inputs:
725: # $
726: # Returns:
727: # reference to an array of resources that can be passed to
728: # print_resources.
729: #
730: sub master_seq_to_person_seq {
731: my ($map, $seq, $who, $code, $nohidemap) = @_;
732:
733:
734: my ($username, $userdomain, $usersection) = split(/:/, $who);
735:
736: # Toss the sequence up into a hash so that we have O(1) lookup time.
737: # on the items that come out of the user's list of resources.
738: #
739:
740: my %seq_hash = map {$_ => 1} @$seq;
741: my @output_seq;
742:
743: my $unhidden;
744: if ($nohidemap) {
745: $unhidden = &Apache::lonnet::clutter($map);
746: }
747:
748: my $navmap = Apache::lonnavmaps::navmap->new($username, $userdomain,
749: $code, $unhidden);
750: my ($start,$finish);
751:
752: if ($map) {
753: my $mapres = $navmap->getResourceByUrl($map);
754: if ($mapres->is_map()) {
755: $start = $mapres->map_start();
756: $finish = $mapres->map_finish();
757: }
758: }
759: unless ($start && $finish) {
760: $start = $navmap->firstResource();
761: $finish = $navmap->finishResource();
762: }
763:
764: my $iterator = $navmap->getIterator($start,$finish,{},1);
765:
766: # Iterate on the resource..select the items that are randomly selected
767: # and that are in the seq_has. Presumably the iterator will take care
768: # of the random ordering part of the deal.
769: #
770: my $curres;
771: while ($curres = $iterator->next()) {
772: #
773: # Only process resources..that are not removed by randomout...
774: # and are selected for printint as well.
775: #
776: if (ref($curres) && ! $curres->randomout()) {
777: my $currsymb = $curres->symb();
778: if (exists($seq_hash{$currsymb})) {
779: push(@output_seq, $currsymb);
780: }
781: }
782: }
783:
784: return \@output_seq; # for now.
785:
786: }
787:
788:
789: # Fetch the contents of a resource, uninterpreted.
790: # This is used here to fetch a latex file to be included
791: # verbatim into the printout<
792: # NOTE: Ask Guy if there is a lonnet function similar to this?
793: #
794: # Parameters:
795: # URL of the file
796: #
797: sub fetch_raw_resource {
798: my ($url) = @_;
799:
800: my $filename = &Apache::lonnet::filelocation("", $url);
801: my $contents = &Apache::lonnet::getfile($filename);
802:
803: if ($contents == -1) {
804: return "File open failed for $filename"; # This will bomb the print.
805: }
806: return $contents;
807:
808:
809: }
810:
811: # Fetch the annotations associated with a URL and
812: # put a centered 'annotations:' title.
813: # This is all suppressed if the annotations are empty.
814: #
815: sub annotate {
816: my ($symb) = @_;
817:
818: my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
819:
820:
821: my $result = "";
822:
823: if (length($annotation_text) > 0) {
824: $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
825: $result .= "\n";
826: $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex.
827: $result .= "\n\n";
828: }
829: return $result;
830: }
831:
832: #
833: # Set a global document font size:
834: # This is done by replacing \begin{document}
835: # with \begin{document}{\some-font-directive
836: # and \end{document} with
837: # }\end{document
838: #
839: sub set_font_size {
840:
841: my ($text) = @_;
842:
843: # There appear to be cases where the font directive is empty.. in which
844: # case the first substituion would insert a spurious \ oh happy day.
845: # as this has been the cause of much mystery and hair pulling _sigh_
846:
847: if ($font_size ne '') {
848:
849: $text =~ s/\\begin\{document}/\\begin{document}{\\$font_size/;
850: }
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, $section) = @_;
1063:
1064:
1065:
1066: $width = &recalcto_mm($width); # Get width in mm.
1067: my $chars_per_line = int($width/1.6); # 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:
1084:
1085: my $name_length = int($chars_per_line *3 /4);
1086: my $sec_length = int($chars_per_line / 5);
1087:
1088: $format = "%$name_length".'n';
1089:
1090: if ($section) {
1091: $format .= ' - Sec: '."%$sec_length".'s';
1092: }
1093:
1094: $format .= '\\\\%c \\\\ %a';
1095:
1096:
1097: }
1098: # An open question is how to handle long user formatted page headers...
1099: # A possible future is to support e.g. %na so that the user can control
1100: # the truncation of the elements that can appear in the header.
1101: #
1102: $format = &printf_style_subst("a", $format, $assignment);
1103: $format = &printf_style_subst("c", $format, $course);
1104: $format = &printf_style_subst("n", $format, $student);
1105: $format = &printf_style_subst("s", $format, $section);
1106:
1107:
1108: # If the user put %'s in the format string, they must be escaped
1109: # to \% else LaTeX will think they are comments and terminate
1110: # the line.. which is bad!!!
1111:
1112: # If the user has role author, $course and $assignment are empty so
1113: # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
1114: if($format =~ /\\\\\s\\\\\s/) {
1115: #TODO find sensible caption for page header
1116: my $testPrintout = '\\\\'.&mt('Authoring Space').' \\\\'.&mt('Test-Printout ');
1117: $format =~ s/\\\\\s\\\\\s/$testPrintout/;
1118: }
1119: #
1120: # We're going to trust LaTeX to break lines appropriately, but
1121: # we'll truncate anything that's more than 3 lines worth of
1122: # text. This is also assuming (which will probably end badly)
1123: # nobody's going to embed LaTeX control sequences in the title
1124: # header or rather that those control sequences won't get broken
1125: # by the stuff below.
1126: #
1127: my $total_length = 3*$chars_per_line;
1128: if (length($format) > $total_length) {
1129: $format = substr($format, 0, $total_length);
1130: }
1131:
1132:
1133: return $format;
1134:
1135: }
1136:
1137: #
1138: # Convert a numeric code to letters
1139: #
1140: sub num_to_letters {
1141: my ($num) = @_;
1142: my @nums= split('',$num);
1143: my @num_to_let=('A'..'Z');
1144: my $word;
1145: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1146: return $word;
1147: }
1148: # Convert a letter code to numeric.
1149: #
1150: sub letters_to_num {
1151: my ($letters) = @_;
1152: my @letters = split('', uc($letters));
1153: my %substitution;
1154: my $digit = 0;
1155: foreach my $letter ('A'..'J') {
1156: $substitution{$letter} = $digit;
1157: $digit++;
1158: }
1159: # The substitution is done as below to preserve leading
1160: # zeroes which are needed to keep the code size exact
1161: #
1162: my $result ="";
1163: foreach my $letter (@letters) {
1164: $result.=$substitution{$letter};
1165: }
1166: return $result;
1167: }
1168:
1169: # Determine if a code is a valid numeric code. Valid
1170: # numeric codes must be comprised entirely of digits and
1171: # have a correct number of digits.
1172: #
1173: # Parameters:
1174: # value - proposed code value.
1175: # num_digits - Number of digits required.
1176: #
1177: sub is_valid_numeric_code {
1178: my ($value, $num_digits) = @_;
1179: # Remove leading/trailing whitespace;
1180: $value =~ s/^\s*//g;
1181: $value =~ s/\s*$//g;
1182:
1183: # All digits?
1184: if ($value !~ /^[0-9]+$/) {
1185: return "Numeric code $value has invalid characters - must only be digits";
1186: }
1187: if (length($value) != $num_digits) {
1188: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
1189: }
1190: return undef;
1191: }
1192: # Determines if a code is a valid alhpa code. Alpha codes
1193: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
1194: # They also have a correct digit count.
1195: # Parameters:
1196: # value - Proposed code value.
1197: # num_letters - correct number of letters.
1198: # Note:
1199: # leading and trailing whitespace are ignored.
1200: #
1201: sub is_valid_alpha_code {
1202: my ($value, $num_letters) = @_;
1203:
1204: # strip leading and trailing spaces.
1205:
1206: $value =~ s/^\s*//g;
1207: $value =~ s/\s*$//g;
1208:
1209: # All alphas in the right range?
1210: if ($value !~ /^[A-J,a-j]+$/) {
1211: return "Invalid letter code $value must only contain A-J";
1212: }
1213: if (length($value) != $num_letters) {
1214: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
1215: }
1216: return undef;
1217: }
1218:
1219: # Determine if a code entered by the user in a helper is valid.
1220: # valid depends on the code type and the type of code selected.
1221: # The type of code selected can either be numeric or
1222: # Alphabetic. If alphabetic, the code, in fact is a simple
1223: # substitution cipher for the actual numeric code: 0->A, 1->B ...
1224: # We'll be nice and be case insensitive for alpha codes.
1225: # Parameters:
1226: # code_value - the value of the code the user typed in.
1227: # code_option - The code type selected from the set in the scantron format
1228: # table.
1229: # Returns:
1230: # undef - The code is valid.
1231: # other - An error message indicating what's wrong.
1232: #
1233: sub is_code_valid {
1234: my ($code_value, $code_option) = @_;
1235: my ($code_type, $code_length) = ('letter', 6); # defaults.
1236: my @lines = &Apache::grades::get_scantronformat_file();
1237: foreach my $line (@lines) {
1238: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
1239: if($name eq $code_option) {
1240: $code_length = $length;
1241: if($type eq 'number') {
1242: $code_type = 'number';
1243: }
1244: }
1245: }
1246: my $valid;
1247: if ($code_type eq 'number') {
1248: return &is_valid_numeric_code($code_value, $code_length);
1249: } else {
1250: return &is_valid_alpha_code($code_value, $code_length);
1251: }
1252:
1253: }
1254: #
1255: # Compare two students by section (Used to sort by section).
1256: #
1257: # Implicit inputs,
1258: # $a - The first one
1259: # $b - The second one.
1260: #
1261: # Returns:
1262: # a-section cmp b-section
1263: #
1264: sub compare_sections {
1265: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1266: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1267:
1268: return $s1 cmp $s2;
1269: }
1270:
1271: # Compare two students by name. The students are in the form
1272: # returned by the helper:
1273: # user:domain:section:last, first:status
1274: # This is a helper function for the perl sort built-in therefore:
1275: # Implicit Inputs:
1276: # $a - The first element to compare (global)
1277: # $b - The second element to compare (global)
1278: # Returns:
1279: # -1 - $a < $b
1280: # 0 - $a == $b
1281: # +1 - $a > $b
1282: # Note that the initial comparison is done on the last names with the
1283: # first names only used to break the tie.
1284: #
1285: #
1286: sub compare_names {
1287: # First split the names up into the primary fields.
1288:
1289: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
1290: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
1291:
1292: # Now split the last name and first name of each n:
1293: #
1294:
1295: my ($l1,$f1) = split(/,/, $n1);
1296: my ($l2,$f2) = split(/,/, $n2);
1297:
1298: # We don't bother to remove the leading/trailing whitespace from the
1299: # firstname, unless the last names compare identical.
1300:
1301: if($l1 lt $l2) {
1302: return -1;
1303: }
1304: if($l1 gt $l2) {
1305: return 1;
1306: }
1307:
1308: # Break the tie on the first name, but there are leading (possibly trailing
1309: # whitespaces to get rid of first
1310: #
1311: $f1 =~ s/^\s+//; # Remove leading...
1312: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
1313:
1314: $f2 =~ s/^\s+//;
1315: $f2 =~ s/\s+$//; # And the same for first 2...
1316:
1317: if($f1 lt $f2) {
1318: return -1;
1319: }
1320: if($f1 gt $f2) {
1321: return 1;
1322: }
1323:
1324: # Must be the same name.
1325:
1326: return 0;
1327: }
1328:
1329: sub latex_header_footer_remove {
1330: my $text = shift;
1331: $text =~ s/\\end\{document}//;
1332: $text =~ s/\\documentclass([^&]*)\\begin\{document}//;
1333: return $text;
1334: }
1335: #
1336: # If necessary, encapsulate text inside
1337: # a minipage env.
1338: # necessity is determined by the problem_split param.
1339: #
1340: sub encapsulate_minipage {
1341: my ($text) = @_;
1342: if (!($env{'form.problem.split'} =~ /yes/i)) {
1343: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
1344: }
1345: return $text;
1346: }
1347: #
1348: # The NUMBER_TO_PRINT and SPLIT_PDFS
1349: # variables interact, this sub looks at these two parameters
1350: # and comes up with a final value for NUMBER_TO_PRINT which can be:
1351: # all - if SPLIT_PDFS eq 'all'.
1352: # 1 - if SPLIT_PDFS eq 'oneper'
1353: # section - if SPLIT_PDFS eq 'sections'
1354: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
1355: #
1356: sub adjust_number_to_print {
1357: my $helper = shift;
1358:
1359: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
1360:
1361: if ($split_pdf eq 'all') {
1362: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
1363: } elsif ($split_pdf eq 'oneper') {
1364: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
1365: } elsif ($split_pdf eq 'sections') {
1366: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
1367: } elsif ($split_pdf eq 'usenumber') {
1368: # Unmodified.
1369: } else {
1370: # Error!!!!
1371:
1372: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1373:
1374: }
1375: }
1376:
1377:
1378: sub character_chart {
1379: my $result = shift;
1380: return &Apache::entities::replace_entities($result);
1381: }
1382:
1383: sub old_character_chart {
1384: my $result = shift;
1385: $result =~ s/&\#0?0?(7|9);//g;
1386: $result =~ s/&\#0?(10|13);//g;
1387: $result =~ s/&\#0?32;/ /g;
1388: $result =~ s/&\#0?33;/!/g;
1389: $result =~ s/&(\#0?34|quot);/\"/g;
1390: $result =~ s/&\#0?35;/\\\#/g;
1391: $result =~ s/&\#0?36;/\\\$/g;
1392: $result =~ s/&\#0?37;/\\%/g;
1393: $result =~ s/&(\#0?38|amp);/\\&/g;
1394: $result =~ s/&\#(0?39|146);/\'/g;
1395: $result =~ s/&\#0?40;/(/g;
1396: $result =~ s/&\#0?41;/)/g;
1397: $result =~ s/&\#0?42;/\*/g;
1398: $result =~ s/&\#0?43;/\+/g;
1399: $result =~ s/&\#(0?44|130);/,/g;
1400: $result =~ s/&\#0?45;/-/g;
1401: $result =~ s/&\#0?46;/\./g;
1402: $result =~ s/&\#0?47;/\//g;
1403: $result =~ s/&\#0?48;/0/g;
1404: $result =~ s/&\#0?49;/1/g;
1405: $result =~ s/&\#0?50;/2/g;
1406: $result =~ s/&\#0?51;/3/g;
1407: $result =~ s/&\#0?52;/4/g;
1408: $result =~ s/&\#0?53;/5/g;
1409: $result =~ s/&\#0?54;/6/g;
1410: $result =~ s/&\#0?55;/7/g;
1411: $result =~ s/&\#0?56;/8/g;
1412: $result =~ s/&\#0?57;/9/g;
1413: $result =~ s/&\#0?58;/:/g;
1414: $result =~ s/&\#0?59;/;/g;
1415: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1416: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
1417: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1418: $result =~ s/&\#0?63;/\?/g;
1419: $result =~ s/&\#0?65;/A/g;
1420: $result =~ s/&\#0?66;/B/g;
1421: $result =~ s/&\#0?67;/C/g;
1422: $result =~ s/&\#0?68;/D/g;
1423: $result =~ s/&\#0?69;/E/g;
1424: $result =~ s/&\#0?70;/F/g;
1425: $result =~ s/&\#0?71;/G/g;
1426: $result =~ s/&\#0?72;/H/g;
1427: $result =~ s/&\#0?73;/I/g;
1428: $result =~ s/&\#0?74;/J/g;
1429: $result =~ s/&\#0?75;/K/g;
1430: $result =~ s/&\#0?76;/L/g;
1431: $result =~ s/&\#0?77;/M/g;
1432: $result =~ s/&\#0?78;/N/g;
1433: $result =~ s/&\#0?79;/O/g;
1434: $result =~ s/&\#0?80;/P/g;
1435: $result =~ s/&\#0?81;/Q/g;
1436: $result =~ s/&\#0?82;/R/g;
1437: $result =~ s/&\#0?83;/S/g;
1438: $result =~ s/&\#0?84;/T/g;
1439: $result =~ s/&\#0?85;/U/g;
1440: $result =~ s/&\#0?86;/V/g;
1441: $result =~ s/&\#0?87;/W/g;
1442: $result =~ s/&\#0?88;/X/g;
1443: $result =~ s/&\#0?89;/Y/g;
1444: $result =~ s/&\#0?90;/Z/g;
1445: $result =~ s/&\#0?91;/[/g;
1446: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1447: $result =~ s/&\#0?93;/]/g;
1448: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1449: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
1450: $result =~ s/&\#(0?96|145);/\`/g;
1451: $result =~ s/&\#0?97;/a/g;
1452: $result =~ s/&\#0?98;/b/g;
1453: $result =~ s/&\#0?99;/c/g;
1454: $result =~ s/&\#100;/d/g;
1455: $result =~ s/&\#101;/e/g;
1456: $result =~ s/&\#102;/f/g;
1457: $result =~ s/&\#103;/g/g;
1458: $result =~ s/&\#104;/h/g;
1459: $result =~ s/&\#105;/i/g;
1460: $result =~ s/&\#106;/j/g;
1461: $result =~ s/&\#107;/k/g;
1462: $result =~ s/&\#108;/l/g;
1463: $result =~ s/&\#109;/m/g;
1464: $result =~ s/&\#110;/n/g;
1465: $result =~ s/&\#111;/o/g;
1466: $result =~ s/&\#112;/p/g;
1467: $result =~ s/&\#113;/q/g;
1468: $result =~ s/&\#114;/r/g;
1469: $result =~ s/&\#115;/s/g;
1470: $result =~ s/&\#116;/t/g;
1471: $result =~ s/&\#117;/u/g;
1472: $result =~ s/&\#118;/v/g;
1473: $result =~ s/&\#119;/w/g;
1474: $result =~ s/&\#120;/x/g;
1475: $result =~ s/&\#121;/y/g;
1476: $result =~ s/&\#122;/z/g;
1477: $result =~ s/&\#123;/\\{/g;
1478: $result =~ s/&\#124;/\|/g;
1479: $result =~ s/&\#125;/\\}/g;
1480: $result =~ s/&\#126;/\~/g;
1481: $result =~ s/&\#131;/\\textflorin /g;
1482: $result =~ s/&\#132;/\"/g;
1483: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
1484: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
1485: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1486: $result =~ s/&\#137;/\\textperthousand /g;
1487: $result =~ s/&\#140;/{\\OE}/g;
1488: $result =~ s/&\#147;/\`\`/g;
1489: $result =~ s/&\#148;/\'\'/g;
1490: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1491: $result =~ s/&(\#150|\#8211);/--/g;
1492: $result =~ s/&\#151;/---/g;
1493: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1494: $result =~ s/&\#153;/\\texttrademark /g;
1495: $result =~ s/&\#156;/\\oe/g;
1496: $result =~ s/&\#159;/\\\"Y/g;
1497: $result =~ s/&(\#160|nbsp);/~/g;
1498: $result =~ s/&(\#161|iexcl);/!\`/g;
1499: $result =~ s/&(\#162|cent);/\\textcent /g;
1500: $result =~ s/&(\#163|pound);/\\pounds /g;
1501: $result =~ s/&(\#164|curren);/\\textcurrency /g;
1502: $result =~ s/&(\#165|yen);/\\textyen /g;
1503: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
1504: $result =~ s/&(\#167|sect);/\\textsection /g;
1505: $result =~ s/&(\#168|uml);/\\"\{\} /g;
1506: $result =~ s/&(\#169|copy);/\\copyright /g;
1507: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1508: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1509: $result =~ s/&(\#173|shy);/ - /g;
1510: $result =~ s/&(\#174|reg);/\\textregistered /g;
1511: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
1512: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
1513: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
1514: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
1515: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1516: $result =~ s/&(\#180|acute);/\\'\{\} /g;
1517: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1518: $result =~ s/&(\#182|para);/\\P/g;
1519: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1520: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1521: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1522: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
1523: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
1524: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
1525: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
1526: $result =~ s/&(\#191|iquest);/?\`/g;
1527: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
1528: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
1529: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
1530: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
1531: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
1532: $result =~ s/&(\#197|Aring);/{\\AA}/g;
1533: $result =~ s/&(\#198|AElig);/{\\AE}/g;
1534: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
1535: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
1536: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
1537: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
1538: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
1539: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
1540: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
1541: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
1542: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
1543: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
1544: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
1545: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
1546: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
1547: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
1548: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
1549: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1550: $result =~ s/&(\#216|Oslash);/{\\O}/g;
1551: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
1552: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
1553: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
1554: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
1555: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1556: $result =~ s/&(\#223|szlig);/{\\ss}/g;
1557: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
1558: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
1559: $result =~ s/&(\#226|acirc);/\\^{a}/g;
1560: $result =~ s/&(\#227|atilde);/\\~{a}/g;
1561: $result =~ s/&(\#228|auml);/\\\"{a}/g;
1562: $result =~ s/&(\#229|aring);/{\\aa}/g;
1563: $result =~ s/&(\#230|aelig);/{\\ae}/g;
1564: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
1565: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
1566: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
1567: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
1568: $result =~ s/&(\#235|euml);/\\\"{e}/g;
1569: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
1570: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
1571: $result =~ s/&(\#238|icirc);/\\^{i}/g;
1572: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1573: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1574: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
1575: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
1576: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
1577: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
1578: $result =~ s/&(\#245|otilde);/\\~{o}/g;
1579: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1580: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1581: $result =~ s/&(\#248|oslash);/{\\o}/g;
1582: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
1583: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
1584: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
1585: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
1586: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
1587: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1588: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1589: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1590: #Greek Alphabet
1591: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
1592: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
1593: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
1594: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
1595: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
1596: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
1597: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
1598: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
1599: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
1600: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
1601: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
1602: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
1603: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
1604: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1605: $result =~ s/&(omicron|\#959);/o/g;
1606: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
1607: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
1608: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
1609: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
1610: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
1611: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
1612: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
1613: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
1614: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
1615: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
1616: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1617: $result =~ s/&(Alpha|\#913);/A/g;
1618: $result =~ s/&(Beta|\#914);/B/g;
1619: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
1620: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1621: $result =~ s/&(Epsilon|\#917);/E/g;
1622: $result =~ s/&(Zeta|\#918);/Z/g;
1623: $result =~ s/&(Eta|\#919);/H/g;
1624: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1625: $result =~ s/&(Iota|\#921);/I/g;
1626: $result =~ s/&(Kappa|\#922);/K/g;
1627: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1628: $result =~ s/&(Mu|\#924);/M/g;
1629: $result =~ s/&(Nu|\#925);/N/g;
1630: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1631: $result =~ s/&(Omicron|\#927);/O/g;
1632: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1633: $result =~ s/&(Rho|\#929);/P/g;
1634: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1635: $result =~ s/&(Tau|\#932);/T/g;
1636: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
1637: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1638: $result =~ s/&(Chi|\#935);/X/g;
1639: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
1640: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1641: #Arrows (extended HTML 4.01)
1642: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
1643: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
1644: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
1645: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
1646: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
1647: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
1648: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
1649: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
1650: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
1651: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1652: #Mathematical Operators (extended HTML 4.01)
1653: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
1654: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
1655: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
1656: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
1657: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
1658: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
1659: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
1660: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
1661: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
1662: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
1663: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1664: $result =~ s/–/\\ensuremath\{-\}/g;
1665: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
1666: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
1667: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
1668: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
1669: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
1670: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
1671: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
1672: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
1673: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
1674: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
1675: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
1676: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
1677: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
1678: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
1679: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
1680: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
1681: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
1682: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
1683: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
1684: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
1685: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
1686: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
1687: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
1688: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
1689: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
1690: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1691: #Geometric Shapes (extended HTML 4.01)
1692: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1693: #Miscellaneous Symbols (extended HTML 4.01)
1694: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
1695: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
1696: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
1697: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1698: # Chemically useful 'things' contributed by Hon Kie (bug 4652).
1699:
1700: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
1701: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
1702: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
1703: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
1704: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
1705: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
1706: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
1707: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
1708: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
1709: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
1710: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
1711: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
1712: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1713:
1714: # Left/right quotations:
1715:
1716: $result =~ s/&(ldquo|#8220);/\`\`/g;
1717: $result =~ s/&(rdquo|#8221);/\'\'/g;
1718:
1719:
1720:
1721: return $result;
1722: }
1723:
1724:
1725: #width, height, oddsidemargin, evensidemargin, topmargin
1726: my %page_formats=
1727: ('letter' => {
1728: 'book' => {
1729: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
1730: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1731: },
1732: 'album' => {
1733: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'],
1734: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1735: },
1736: },
1737: 'legal' => {
1738: 'book' => {
1739: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1740: '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1741: },
1742: 'album' => {
1743: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
1744: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1745: },
1746: },
1747: 'tabloid' => {
1748: 'book' => {
1749: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
1750: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
1751: },
1752: 'album' => {
1753: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
1754: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1755: },
1756: },
1757: 'executive' => {
1758: 'book' => {
1759: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
1760: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
1761: },
1762: 'album' => {
1763: '1' => [],
1764: '2' => []
1765: },
1766: },
1767: 'a2' => {
1768: 'book' => {
1769: '1' => [],
1770: '2' => []
1771: },
1772: 'album' => {
1773: '1' => [],
1774: '2' => []
1775: },
1776: },
1777: 'a3' => {
1778: 'book' => {
1779: '1' => [],
1780: '2' => []
1781: },
1782: 'album' => {
1783: '1' => [],
1784: '2' => []
1785: },
1786: },
1787: 'a4' => {
1788: 'book' => {
1789: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1790: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1791: },
1792: 'album' => {
1793: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1794: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1795: },
1796: },
1797: 'a5' => {
1798: 'book' => {
1799: '1' => [],
1800: '2' => []
1801: },
1802: 'album' => {
1803: '1' => [],
1804: '2' => []
1805: },
1806: },
1807: 'a6' => {
1808: 'book' => {
1809: '1' => [],
1810: '2' => []
1811: },
1812: 'album' => {
1813: '1' => [],
1814: '2' => []
1815: },
1816: },
1817: );
1818:
1819: sub page_format {
1820: #
1821: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1822: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1823: # "A2 [420x594 mm]", "A3 [297x420 mm]",
1824: # "A4 [210x297 mm]", "A5 [148x210 mm]",
1825: # "A6 [105x148 mm]"
1826: #
1827: my ($papersize,$layout,$numberofcolumns) = @_;
1828: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1829: }
1830:
1831:
1832: sub get_name {
1833: my ($uname,$udom)=@_;
1834: if (!defined($uname)) { $uname=$env{'user.name'}; }
1835: if (!defined($udom)) { $udom=$env{'user.domain'}; }
1836: my $plainname=&Apache::loncommon::plainname($uname,$udom);
1837: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1838: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1839: return $plainname;
1840: }
1841:
1842: sub get_course {
1843: my $courseidinfo;
1844: if (defined($env{'request.course.id'})) {
1845: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1846: my $sec = $env{'request.course.sec'};
1847:
1848: }
1849: return $courseidinfo;
1850: }
1851:
1852: sub page_format_transformation {
1853: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
1854: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1855:
1856: if ($selectionmade eq '4') {
1857: if ($choice eq 'all_problems') {
1858: $assignment=&mt('Problems from the Whole Course');
1859: } else {
1860: $assignment=&mt('Resources from the Whole Course');
1861: }
1862: } else {
1863: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
1864: }
1865: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1866:
1867:
1868: my $name = &get_name();
1869: my $courseidinfo = &get_course();
1870: my $header_text = $parmhash{'print_header_format'};
1871: $header_text = &format_page_header($textwidth, $header_text, $assignment,
1872: $courseidinfo, $name);
1873: my $topmargintoinsert = '';
1874: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1875: my $fancypagestatement='';
1876: if ($numberofcolumns eq '2') {
1877: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1878: } else {
1879: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1880: }
1881: if ($layout eq 'album') {
1882: $text =~ s/\\begin\{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1883: } elsif ($layout eq 'book') {
1884: if ($choice ne 'All class print') {
1885: $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/;
1886: } else {
1887: $text =~ s/\\pagestyle\{fancy}\\rhead\{}\\chead\{}\s*\\begin\{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
1888: }
1889: if ($papersize eq 'a4') {
1890: my $papersize_text;
1891: if ($perm{'pav'}) {
1892: $papersize_text = '\\special{papersize=210mm,297mm}';
1893: } else {
1894: $papersize_text = '\special{papersize=210mm,297mm}';
1895: }
1896: $text =~ s/(\\begin\{document})/$1$papersize_text/;
1897: }
1898: }
1899: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
1900: if ($indexlist eq 'yes') {
1901: $text=~s/(\\begin\{document})/\\makeindex $1/;
1902: $text=~s/(\\end\{document})/\\strut\\\\\\strut\\printindex $1/;
1903: }
1904: return $text;
1905: }
1906:
1907:
1908: sub page_cleanup {
1909: my $result = shift;
1910:
1911: $result =~ m/\\end\{document}(\d*)$/;
1912: my $number_of_columns = $1;
1913: my $insert = '{';
1914: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1915: $insert .= '}';
1916: $result =~ s/(\\begin\{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1917: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
1918: return $result,$number_of_columns;
1919: }
1920:
1921:
1922: sub details_for_menu {
1923: my ($helper)=@_;
1924: my $postdata=$env{'form.postdata'};
1925: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
1926: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
1927: my $symbolic = &Apache::lonnet::symbread($postdata);
1928: return if ( $symbolic eq '');
1929:
1930: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1931: $map=&Apache::lonnet::clutter($map);
1932: my $name_of_sequence = &Apache::lonnet::gettitle($map);
1933: if ($name_of_sequence =~ /^\s*$/) {
1934: $map =~ m|([^/]+)$|;
1935: $name_of_sequence = $1;
1936: }
1937: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1938: if ($name_of_map =~ /^\s*$/) {
1939: $env{'request.course.uri'} =~ m|([^/]+)$|;
1940: $name_of_map = $1;
1941: }
1942: return ($name_of_resource,$name_of_sequence,$name_of_map);
1943: }
1944:
1945: sub copyright_line {
1946: 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 } ';
1947: }
1948: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1949:
1950: sub latex_corrections {
1951: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1952: # $result =~ s/\\includegraphics\{/\\includegraphics\[width=\\minipagewidth\]{/g;
1953: my $copyright = ©right_line();
1954: if ($selectionmade eq '1' || $answer_mode eq 'only') {
1955: $result =~ s/(\\end\{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1956: } else {
1957: $result =~ s/(\\end\{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1958: }
1959: $result =~ s/\$number_of_columns/$number_of_columns/g;
1960: $result =~ s/(\\end\{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]\{\\hrulefill})/$2$1/g;
1961: $result =~ s/(\\end\{longtable}\s*)\\strut\\newline/$1/g;
1962: #-- LaTeX corrections
1963: my $first_comment = index($result,'<!--',0);
1964: while ($first_comment != -1) {
1965: my $end_comment = index($result,'-->',$first_comment);
1966: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
1967: $first_comment = index($result,'<!--',$first_comment);
1968: }
1969: $result =~ s/^\s+$//gm; #remove empty lines
1970: #removes more than one empty space
1971: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1972: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
1973: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
1974: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1975: $result =~ s/\\\\\s+\[/ \[/g;
1976: #conversion of html characters to LaTeX equivalents
1977: if ($result =~ m/&(\w+|#\d+);/) {
1978: $result = &character_chart($result);
1979: }
1980: $result =~ s/(\\end\{tabular})\s*\\vskip 0 mm/$1/g;
1981: $result =~ s/(\\begin\{enumerate})\s*\\noindent/$1/g;
1982: return $result;
1983: }
1984:
1985:
1986: sub index_table {
1987: my $currentURL = shift;
1988: my $insex_string='';
1989: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
1990: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
1991: return $insex_string;
1992: }
1993:
1994:
1995: sub IndexCreation {
1996: my ($texversion,$currentURL)=@_;
1997: my @key_words=split(/,/,&index_table($currentURL));
1998: my $chunk='';
1999: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
2000: if ($st>0) {
2001: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
2002: $chunk=substr($texversion,0,$st+1);
2003: substr($texversion,0,$st+1)=' ';
2004: }
2005: foreach my $key_word (@key_words) {
2006: if ($key_word=~/\S+/) {
2007: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
2008: }
2009: }
2010: if ($st>0) {substr($texversion,0,1)=$chunk;}
2011: return $texversion;
2012: }
2013:
2014: sub print_latex_header {
2015: my $mode=shift;
2016:
2017: return &Apache::londefdef::latex_header($mode);
2018: }
2019:
2020: sub path_to_problem {
2021: my ($urlp,$colwidth)=@_;
2022: $urlp=&Apache::lonnet::clutter($urlp);
2023:
2024: my $newurlp = '';
2025: $colwidth=~s/\s*mm\s*$//;
2026: #characters average about 2 mm in width
2027: if (length($urlp)*2 > $colwidth) {
2028: my @elements = split('/',$urlp);
2029: my $curlength=0;
2030: foreach my $element (@elements) {
2031: if ($element eq '') { next; }
2032: if ($curlength+(length($element)*2) > $colwidth) {
2033: $newurlp .= '|\vskip -1 mm \verb|';
2034: $curlength=length($element)*2;
2035: } else {
2036: $curlength+=length($element)*2;
2037: }
2038: $newurlp.='/'.$element;
2039: }
2040: } else {
2041: $newurlp=$urlp;
2042: }
2043: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
2044: }
2045:
2046: sub recalcto_mm {
2047: my $textwidth=shift;
2048: my $LaTeXwidth;
2049: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
2050: $LaTeXwidth = $1*10;
2051: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
2052: $LaTeXwidth = $1;
2053: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
2054: $LaTeXwidth = $1*25.4;
2055: }
2056: $LaTeXwidth.=' mm';
2057: return $LaTeXwidth;
2058: }
2059:
2060: sub get_textwidth {
2061: my ($helper,$LaTeXwidth)=@_;
2062: my $textwidth=$LaTeXwidth;
2063: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
2064: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
2065: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
2066: $helper->{'VARS'}->{'pagesize.widthunit'});
2067: }
2068: return $textwidth;
2069: }
2070:
2071:
2072: sub unsupported {
2073: my ($currentURL,$mode,$symb)=@_;
2074: if ($mode ne '') {$mode='\\'.$mode}
2075: my $result.= &print_latex_header($mode);
2076: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
2077: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
2078: $currentURL=~s|^http://https://|https://|;
2079: my $title=&Apache::lonnet::gettitle($symb);
2080: $title = &Apache::lonxml::latex_special_symbols($title);
2081: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
2082: } else {
2083: $result.=$currentURL;
2084: }
2085: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2086: return $result;
2087: }
2088:
2089: #
2090: # Map from helper layout style to the book/album:
2091: #
2092: sub map_laystyle {
2093: my ($laystyle) = @_;
2094: if ($laystyle eq 'L') {
2095: $laystyle='album';
2096: } else {
2097: $laystyle='book';
2098: }
2099: return $laystyle;
2100: }
2101:
2102: sub print_page_in_course {
2103: my ($helper, $rparmhash, $currentURL, $resources) = @_;
2104:
2105: my %parmhash = %$rparmhash;
2106: my @page_resources = @$resources;
2107: my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
2108: my $symb = $helper->{'VARS'}->{'symb'};
2109:
2110:
2111: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2112:
2113:
2114: my @temporary_array=split /\|/,$format_from_helper;
2115: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2116: $laystyle = &map_laystyle($laystyle);
2117: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
2118: $numberofcolumns);
2119: my $LaTeXwidth=&recalcto_mm($textwidth);
2120:
2121:
2122: if ($mode ne '') {$mode='\\'.$mode}
2123: my $result = &print_latex_header($mode);
2124: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
2125: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
2126: my $title=&Apache::lonnet::gettitle($symb);
2127: $title = &Apache::lonxml::latex_special_symbols($title);
2128: } else {
2129: my $esc_currentURL= $currentURL;
2130: $esc_currentURL =~ s/_/\\_/g;
2131: $result.=$esc_currentURL;
2132: }
2133: $result .= '\\\\';
2134:
2135: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2136: &Apache::lonnet::appenv({'construct.style' =>
2137: $helper->{'VARS'}->{'style_file'}});
2138: } elsif ($env{'construct.style'}) {
2139: &Apache::lonnet::delenv('construct.style');
2140: }
2141:
2142: # First is the overall page description. This is then followed by the
2143: # components of the page. Each of which must be printed independently.
2144: my $the_page = shift(@page_resources);
2145:
2146:
2147: foreach my $resource (@page_resources) {
2148: my $resource_src = $resource->src(); # Essentially the URL of the resource.
2149: $result .= $resource->title() . '\\\\';
2150:
2151: # Recurse if a .page:
2152:
2153: if ($resource_src =~ /.page$/i) {
2154: my $navmap = Apache::lonnavmaps::navmap->new();
2155: my @page_resources = $navmap->retrieveResources($resource_src);
2156: $result .= &print_page_in_course($helper, $rparmhash,
2157: $resource_src, \@page_resources);
2158: } elsif ($resource->ext()) {
2159: $result .= &unsupported($currentURL,$mode,$symb);
2160: }
2161: # these resources go through the XML transformer:
2162:
2163: elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2164:
2165: my $urlp = &Apache::lonnet::clutter($resource_src);
2166:
2167: my %form;
2168: my %moreenv;
2169:
2170: &Apache::lonxml::remember_problem_counter();
2171: $moreenv{'request.filename'}=$urlp;
2172: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2173:
2174: $form{'grade_target'} = 'tex';
2175: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2176: $form{'pdfFormFields'} = $pdfFormFields; #
2177: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2178:
2179: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2180: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2181: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2182: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2183: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2184: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2185: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2186: $form{'problem_split'}='yes';
2187: }
2188: my $rndseed = time;
2189: if ($helper->{'VARS'}->{'curseed'}) {
2190: $rndseed=$helper->{'VARS'}->{'curseed'};
2191: }
2192: $form{'rndseed'}=$rndseed;
2193: &Apache::lonnet::appenv(\%moreenv);
2194:
2195: &Apache::lonxml::clear_problem_counter();
2196:
2197: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
2198:
2199:
2200: # current document with answers.. no need to encap in minipage
2201: # since there's only one answer.
2202:
2203: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2204: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2205: my %answerform = %form;
2206:
2207:
2208: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2209: $answerform{'grade_target'}='answer';
2210: $answerform{'answer_output_mode'}='tex';
2211: $answerform{'rndseed'}=$rndseed;
2212: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2213: $answerform{'problemtype'}='exam';
2214: }
2215: $resources_printed .= $urlp.':';
2216: my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
2217:
2218: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2219: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
2220: } else {
2221: $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2222: if ($helper->{'VARS'}->{'construction'} ne '1') {
2223: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2224: $title = &Apache::lonxml::latex_special_symbols($title);
2225: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2226: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2227: } else {
2228: $texversion.='\vskip 0 mm \noindent\textbf{'.
2229: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
2230: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
2231: }
2232: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2233: }
2234:
2235:
2236:
2237:
2238:
2239: }
2240: # Print annotations.
2241:
2242:
2243: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2244: my $annotation .= &annotate($currentURL);
2245: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
2246: }
2247:
2248: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2249: $texversion=&IndexCreation($texversion,$currentURL);
2250: }
2251: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2252: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2253:
2254: }
2255: $texversion = &latex_header_footer_remove($texversion);
2256:
2257: # the first remaining line is a comment from londefdef the second
2258: # line seems to be an extraneous \vskip 1mm \\\\ :
2259: # (imperfect removal from header_footer_remove?
2260:
2261: $texversion =~ s/\\vskip 1mm \\\\\\\\//;
2262:
2263: $result .= $texversion;
2264: if ($currentURL=~m/\.page\s*$/) {
2265: ($result,$numberofcolumns) = &page_cleanup($result);
2266: }
2267: }
2268: }
2269:
2270: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
2271: return $result;
2272: }
2273:
2274:
2275: #
2276: # List of recently generated print files
2277: #
2278: sub recently_generated {
2279: my ($prtspool) = @_;
2280: my $output;
2281: my $zip_result;
2282: my $pdf_result;
2283: opendir(DIR,$prtspool);
2284:
2285: my @files =
2286: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
2287: closedir(DIR);
2288:
2289: @files = sort {
2290: my ($actime) = (stat($prtspool.'/'.$a))[10];
2291: my ($bctime) = (stat($prtspool.'/'.$b))[10];
2292: return $bctime <=> $actime;
2293: } (@files);
2294:
2295: foreach my $filename (@files) {
2296: my ($ext) = ($filename =~ m/(pdf|zip)$/);
2297: my ($cdev,$cino,$cmode,$cnlink,
2298: $cuid,$cgid,$crdev,$csize,
2299: $catime,$cmtime,$cctime,
2300: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
2301: my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
2302: my $result=&Apache::loncommon::start_data_table_row()
2303: .'<td>'
2304: .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
2305: .'</td>'
2306: .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
2307: .'<td align="right">'.$csize.'</td>'
2308: .&Apache::loncommon::end_data_table_row();
2309: if ($ext eq 'pdf') { $pdf_result .= $result; }
2310: if ($ext eq 'zip') { $zip_result .= $result; }
2311: }
2312: if ($zip_result || $pdf_result) {
2313: $output ='<hr />';
2314: }
2315: if ($zip_result) {
2316: $output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
2317: .&Apache::loncommon::start_data_table()
2318: .&Apache::loncommon::start_data_table_header_row()
2319: .'<th>'.&mt('Download').'</th>'
2320: .'<th>'.&mt('Creation Date').'</th>'
2321: .'<th>'.&mt('File Size (Bytes)').'</th>'
2322: .&Apache::loncommon::end_data_table_header_row()
2323: .$zip_result
2324: .&Apache::loncommon::end_data_table();
2325: }
2326: if ($pdf_result) {
2327: $output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
2328: .&Apache::loncommon::start_data_table()
2329: .&Apache::loncommon::start_data_table_header_row()
2330: .'<th>'.&mt('Download').'</th>'
2331: .'<th>'.&mt('Creation Date').'</th>'
2332: .'<th>'.&mt('File Size (Bytes)').'</th>'
2333: .&Apache::loncommon::end_data_table_header_row()
2334: .$pdf_result
2335: .&Apache::loncommon::end_data_table();
2336: }
2337: return $output;
2338: }
2339:
2340: #
2341: # Retrieve the hash of page breaks.
2342: #
2343: # Inputs:
2344: # helper - reference to helper object.
2345: # Outputs
2346: # A reference to a page break hash.
2347: #
2348: #
2349: # use Data::Dumper;
2350: # sub dump_helper_vars {
2351: # my ($helper) = @_;
2352: # my $helpervars = Dumper($helper->{'VARS'});
2353: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
2354: #}
2355:
2356: sub get_page_breaks {
2357: my ($helper) = @_;
2358: my %page_breaks;
2359:
2360: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
2361: $page_breaks{$break} = 1;
2362: }
2363: return %page_breaks;
2364: }
2365: #
2366: # Returns text to insert for any extra vskip prior to the resource.
2367: # Parameters:
2368: # helper - Reference to the helper object driving the printout.
2369: # resource - Identifies the resource about to be printed.
2370: #
2371: # This is done as follows:
2372: # POSSIBLE_RESOURCES has the list of possible resources.
2373: # EXTRASPACE has the list of extra space values.
2374: # EXTRASPACE_UNITS is the set of resources for which the units are
2375: # mm. All others are 'in'.
2376: #
2377: # The resource is found in the POSSIBLE_RESOURCES to get the index
2378: # of the EXTRASPACE value.
2379: #
2380: # In order to speed this up for lengthy printouts, the first time,
2381: # POSSIBLE_RESOURCES is turned into a look up hash and
2382: # EXTRASPACE is turned into an array.
2383: #
2384:
2385:
2386: my %possible_resources;
2387: my %extraspace_mm;
2388: my @extraspace;
2389: my $skips_loaded = 0;
2390:
2391: # Function to load the skips hash and array
2392:
2393: sub load_skips {
2394:
2395: my ($helper) = @_;
2396:
2397: # If this is the first time, unrap the resources and extra spaces:
2398:
2399: if (!$skips_loaded) {
2400: @extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
2401: my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
2402: my $i = 0;
2403: foreach my $resource (@resource_list) {
2404: $possible_resources{$resource} = $i;
2405: $i++;
2406: }
2407: foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
2408: $extraspace_mm{$mm_resource} = 1;
2409: }
2410: $skips_loaded = 1;
2411: }
2412: }
2413:
2414: sub get_extra_vspaces {
2415: my ($helper, $resource) = @_;
2416:
2417: &load_skips($helper);
2418:
2419: # Lookup the resource in the possible resources hash.. that is the index
2420: # into the extraspace array that gives us either an empty string or
2421: # the number of mm to skip:
2422:
2423: my $index = $possible_resources{$resource};
2424: my $skip = $extraspace[$index];
2425:
2426: my $result = '';
2427: if ($skip ne '') {
2428: my $units = 'in';
2429: if (defined($extraspace_mm{$resource})) {
2430: $units = 'mm';
2431: }
2432: $result = '\vskip '.$skip.' '.$units;
2433: }
2434:
2435:
2436: return $result;
2437:
2438:
2439: }
2440:
2441: #
2442: # The resource chooser part of the helper needs more than just
2443: # the value of the extraspaces var to recover the value into a text
2444: # field option. This sub produces the required format for the saved var:
2445: # specifically
2446: # ||| separated fields of the form resourcename=value
2447: #
2448: # Parameters:
2449: # $helper - Refers to the helper we are configuring
2450: # Implicit input:
2451: # $helper->{'VARS'}->{'EXTRASPACE'} - the spaces helper var has the text field
2452: # value.
2453: # $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
2454: # $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} - has the list of resources. |||
2455: # separated of course.
2456: # Implicit outputs:
2457: # $env{'form.extraspace'}
2458: # $env{'form.extraspace_units'}
2459: #
2460: sub set_form_extraspace {
2461: my ($helper) = @_;
2462:
2463: # the most convenient way to do this is to drive from the skips arrays/hash.
2464: # may not be the fastest, but this is once per print request so it's not so
2465: # speed critical:
2466:
2467: &load_skips($helper);
2468:
2469: my $result = '';
2470:
2471: foreach my $resource (keys(%possible_resources)) {
2472: my $vskip = $extraspace[$possible_resources{$resource}];
2473: $result .= $resource .'=' . $vskip . '|||';
2474: }
2475:
2476: $env{'form.extraspace'} = $result;
2477: $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
2478: return $result;
2479:
2480: }
2481:
2482: # Output a sequence (recursively if neeed)
2483: # from construction space.
2484: # Parameters:
2485: # url = URL of the sequence to print.
2486: # helper - Reference to the helper hash.
2487: # form - Copy of the format hash.
2488: # LaTeXWidth
2489: # Returns:
2490: # Text to add to the printout.
2491: # NOTE if the first element of the outermost sequence
2492: # is itself a sequence, the outermost caller may need to
2493: # prefix the latex with the page headers stuff.
2494: #
2495: sub print_construction_sequence {
2496: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
2497:
2498: my $result;
2499: my $rndseed=time;
2500: if ($helper->{'VARS'}->{'curseed'}) {
2501: $rndseed=$helper->{'VARS'}->{'curseed'};
2502: }
2503: my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL));
2504:
2505: #
2506: # These make this all support recursing for subsequences.
2507: #
2508: my @order = @LONCAPA::map::order;
2509: my @resources = @LONCAPA::map::resources;
2510:
2511: for (my $member=0;$member<=$#order;$member++) {
2512: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
2513: my $urlp=$2;
2514: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2515: my $texversion='';
2516: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2517: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2518: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2519: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2520: $form{'rndseed'}=$rndseed;
2521: $resources_printed .=$urlp.':';
2522: $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2523: }
2524: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2525: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
2526: ($urlp=~/$LONCAPA::assess_page_re/)) {
2527: # Don't permanently modify %$form...
2528: my %answerform = %form;
2529: $answerform{'grade_target'}='answer';
2530: $answerform{'answer_output_mode'}='tex';
2531: $answerform{'rndseed'}=$rndseed;
2532: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
2533: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
2534: $resources_printed .= $urlp.':';
2535: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2536: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2537: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
2538: } else {
2539: # If necessary, encapsulate answer in minipage:
2540:
2541: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2542: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2543: $title = &Apache::lonxml::latex_special_symbols($title);
2544: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2545: $body.=&path_to_problem($urlp,$LaTeXwidth);
2546: $body.='\vskip 1 mm '.$answer.'\end{document}';
2547: $body = &encapsulate_minipage($body);
2548: $texversion.=$body;
2549: }
2550: }
2551: $texversion = &latex_header_footer_remove($texversion);
2552:
2553: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2554: $texversion=&IndexCreation($texversion,$urlp);
2555: }
2556: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2557: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
2558: }
2559: $result.=$texversion;
2560:
2561: } elsif ($urlp=~/\.(sequence|page)$/) {
2562:
2563: # header:
2564:
2565: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
2566:
2567: # IF sequence, recurse:
2568:
2569: if ($urlp =~ /\.sequence$/) {
2570: $result .= &print_construction_sequence($urlp,
2571: $helper, %form,
2572: $LaTeXwidth);
2573: }
2574: }
2575: elsif ($urlp =~ /\.pdf$/i) {
2576: my $texversion;
2577: if ($member != 0) {
2578: $texversion .= '\cleardoublepage';
2579: }
2580:
2581: $texversion .= &include_pdf($urlp);
2582: $texversion = &latex_header_footer_remove($texversion);
2583: if ($member != $#order) {
2584: $texversion .= '\\ \cleardoublepage';
2585: }
2586:
2587: $result .= $texversion;
2588: }
2589: }
2590: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin\{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
2591: return $result;
2592: }
2593:
2594: #
2595: # Top level for generating print output.
2596: #
2597: # May call print_resources if multiple resources will be printed.
2598: #
2599: # The main driver is $selectionmade which reflects the type of print out
2600: # requested:
2601: # Value Print type:
2602: # 1 Print resource that's being looked at.
2603: # 2 Print problems in a map or in a page.
2604: # 3 Print pages in a map or resources in a page.
2605: # 4 Print all problems or all resources.
2606: # 5 Print problems for seleted students.
2607: # 6 Print selected problems from a folder.
2608: # 7 Print print selected resources from some scope.
2609: # 8 Print resources for selected students.
2610: #
2611: #BZ 5209
2612: # 2 map_incomplete_problems_seq Print incomplete problems from the current
2613: # folder in student context.
2614: # 5 map_incomplete_problems_people_seq Print incomplete problems from the
2615: # current folder in privileged context.
2616: # 5 incomplete_problems_selpeople_course Print incomplete problems for
2617: # selected people from the entire course.
2618: #
2619: # Item 101 has much the same processing as 8,
2620: #
2621: # Differences: Item 101, 102 require per-student filtering of the resource
2622: # set so that only the incomplete resources are printed.
2623: # For item 100, filtering was done at the helper level.
2624:
2625: sub output_data {
2626:
2627: my ($r,$helper,$rparmhash) = @_;
2628: my %parmhash = %$rparmhash;
2629: $ssi_error = 0; # This will be set nonzero by failing ssi's.
2630: $resources_printed = '';
2631: $font_size = $helper->{'VARS'}->{'fontsize'};
2632: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
2633: my $do_postprocessing = 1;
2634: my $js = <<ENDPART;
2635: <script type="text/javascript">
2636: var editbrowser;
2637: function openbrowser(formname,elementname,only,omit) {
2638: var url = '/res/?';
2639: if (editbrowser == null) {
2640: url += 'launch=1&';
2641: }
2642: url += 'catalogmode=interactive&';
2643: url += 'mode=parmset&';
2644: url += 'form=' + formname + '&';
2645: if (only != null) {
2646: url += 'only=' + only + '&';
2647: }
2648: if (omit != null) {
2649: url += 'omit=' + omit + '&';
2650: }
2651: url += 'element=' + elementname + '';
2652: var title = 'Browser';
2653: var options = 'scrollbars=1,resizable=1,menubar=0';
2654: options += ',width=700,height=600';
2655: editbrowser = open(url,title,options,'1');
2656: editbrowser.focus();
2657: }
2658: </script>
2659: ENDPART
2660:
2661:
2662: # Breadcrumbs
2663: #FIXME: Choose better/different breadcrumbs?!? Links?
2664: my $brcrum = [{'href' => '',
2665: 'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
2666: {'href' => '',
2667: 'text' => 'Preparing Printout'}];
2668:
2669: my $start_page = &Apache::loncommon::start_page('Preparing Printout',
2670: $js,
2671: {'bread_crumbs' => $brcrum,});
2672: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
2673:
2674: $r->print($start_page."\n<p>\n$msg\n</p>\n");
2675:
2676: # fetch the pagebreaks and store them in the course environment
2677: # The page breaks will be pulled into the hash %page_breaks which is
2678: # indexed by symb and contains 1's for each break.
2679:
2680: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
2681: &set_form_extraspace($helper);
2682: $env{'form.lastprinttype'} = $print_type;
2683: &Apache::loncommon::store_course_settings('print',
2684: {'pagebreaks' => 'scalar',
2685: 'extraspace' => 'scalar',
2686: 'extraspace_units' => 'scalar',
2687: 'lastprinttype' => 'scalar'});
2688: my %page_breaks = &get_page_breaks($helper);
2689:
2690: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
2691: my ($result,$selectionmade) = ('','');
2692: my $number_of_columns = 1; #used only for pages to determine the width of the cell
2693: my @temporary_array=split /\|/,$format_from_helper;
2694: my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
2695:
2696: $laystyle = &map_laystyle($laystyle);
2697: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
2698: my $assignment = $env{'form.assignment'};
2699: my $LaTeXwidth=&recalcto_mm($textwidth);
2700: my @print_array=();
2701: my @student_names=();
2702:
2703:
2704: # Common settings for the %form has:
2705: # In some cases these settings get overriddent by specific cases, but the
2706: # settings are common enough to make it worthwhile factoring them out
2707: # here.
2708: #
2709: my %form;
2710: $form{'grade_target'} = 'tex';
2711: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
2712: $form{'pdfFormFields'} = $pdfFormFields;
2713:
2714: # If form.showallfoils is set, then request all foils be shown:
2715: # privilege will be enforced both by not allowing the
2716: # check box selecting this option to be presnt unless it's ok,
2717: # and by lonresponse's priv. check.
2718: # The if is here because lonresponse.pm only cares that
2719: # showallfoils is defined, not what the value is.
2720:
2721: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
2722: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
2723: }
2724:
2725: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
2726: &Apache::lonnet::appenv({'construct.style' =>
2727: $helper->{'VARS'}->{'style_file'}});
2728: } elsif ($env{'construct.style'}) {
2729: &Apache::lonnet::delenv('construct.style');
2730: }
2731:
2732: if ($print_type eq 'current_document') {
2733: #-- single document - problem, page, html, xml, ...
2734: my ($currentURL,$cleanURL);
2735:
2736: if ($helper->{'VARS'}->{'construction'} ne '1') {
2737: #prints published resource
2738: $currentURL=$helper->{'VARS'}->{'postdata'};
2739: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
2740: } else {
2741:
2742: #prints resource from the construction space
2743: $currentURL=$helper->{'VARS'}->{'filename'};
2744: $cleanURL=$currentURL;
2745: }
2746: $selectionmade = 1;
2747:
2748: if ($cleanURL!~m|^/adm/|
2749: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
2750: my $rndseed=time;
2751: my $texversion='';
2752: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
2753: my %moreenv;
2754: $moreenv{'request.filename'}=$cleanURL;
2755: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
2756: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2757: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2758: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2759: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2760: $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2761: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2762: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
2763: $form{'problem_split'}='yes';
2764: }
2765: if ($helper->{'VARS'}->{'curseed'}) {
2766: $rndseed=$helper->{'VARS'}->{'curseed'};
2767: }
2768: $form{'rndseed'}=$rndseed;
2769: &Apache::lonnet::appenv(\%moreenv);
2770:
2771: &Apache::lonxml::clear_problem_counter();
2772:
2773: $resources_printed .= $currentURL.':';
2774: $texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2775:
2776: # Add annotations if required:
2777:
2778: &Apache::lonxml::clear_problem_counter();
2779:
2780: &Apache::lonnet::delenv('request.filename');
2781: }
2782: # current document with answers.. no need to encap in minipage
2783: # since there's only one answer.
2784:
2785: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2786: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2787:
2788: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2789: $form{'grade_target'}='answer';
2790: $form{'answer_output_mode'}='tex';
2791: $form{'rndseed'}=$rndseed;
2792: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
2793: $form{'problemtype'}='exam';
2794: }
2795: $resources_printed .= $currentURL.':';
2796: my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
2797:
2798:
2799: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2800: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
2801: } else {
2802: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2803: if ($helper->{'VARS'}->{'construction'} ne '1') {
2804: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
2805: $title = &Apache::lonxml::latex_special_symbols($title);
2806: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2807: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2808: } else {
2809: $texversion.='\vskip 0 mm \noindent\textbf{'.
2810: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
2811:
2812: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
2813: }
2814: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
2815: }
2816:
2817:
2818:
2819:
2820:
2821: }
2822: # Print annotations.
2823:
2824:
2825: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2826: my $annotation .= &annotate($currentURL);
2827: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
2828: }
2829:
2830:
2831: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
2832: $texversion=&IndexCreation($texversion,$currentURL);
2833: }
2834: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
2835: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
2836:
2837: }
2838: $result .= $texversion;
2839: if ($currentURL=~m/\.page\s*$/) {
2840: ($result,$number_of_columns) = &page_cleanup($result);
2841: }
2842: } elsif ($cleanURL!~m|^/adm/|
2843: && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
2844: $result .= &print_construction_sequence($currentURL, $helper, %form,
2845: $LaTeXwidth);
2846: $result .= '\end{document}';
2847: if (!($result =~ /\\begin\{document\}/)) {
2848: $result = &print_latex_header() . $result;
2849: }
2850: # End construction space sequence.
2851: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) {
2852: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2853: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
2854: if ($currentURL=~/\/ext\.tool$/) {$currentURL=~s/^\/adm\/wrapper//;}
2855: $resources_printed .= $currentURL.':';
2856: my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
2857: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2858: my $annotation = &annotate($currentURL);
2859: $texversion =~ s/(\\end\{document})/$annotation$1/;
2860: }
2861: $result .= $texversion;
2862: } elsif ($cleanURL =~/\.tex$/) {
2863: # For this sort of print of a single LaTeX file,
2864: # We can just print the LaTeX file as it is uninterpreted in any way:
2865: #
2866:
2867: $result = &fetch_raw_resource($currentURL);
2868: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
2869: my $annotation = &annotate($currentURL);
2870: $result =~ s/(\\end\{document})/$annotation$1/;
2871: }
2872:
2873: $do_postprocessing = 0; # Don't massage the result.
2874:
2875: } elsif ($cleanURL =~ /\.pdf$/i) {
2876: $result .= &include_pdf($cleanURL);
2877: $result .= '\end{document}';
2878: } elsif ($cleanURL =~ /\.page$/i) { # Print page in non construction space contexts.
2879:
2880: # Determine the set of resources in the map of the page:
2881:
2882: my $navmap = Apache::lonnavmaps::navmap->new();
2883: my @page_resources = $navmap->retrieveResources($cleanURL);
2884: $result .= &print_page_in_course($helper, $rparmhash,
2885: $cleanURL, \@page_resources);
2886:
2887:
2888: } else {
2889: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
2890: $helper->{'VARS'}->{'symb'});
2891: }
2892: } elsif (($print_type eq 'map_problems') or
2893: ($print_type eq 'map_problems_in_page') or
2894: ($print_type eq 'map_resources_in_page') or
2895: ($print_type eq 'map_problems_pages') or
2896: ($print_type eq 'all_problems') or
2897: ($print_type eq 'all_resources') or # BUGBUG
2898: ($print_type eq 'select_sequences') or
2899: ($print_type eq 'map_incomplete_problems_seq')
2900: ) {
2901:
2902: #-- produce an output string
2903: if (($print_type eq 'map_problems') or
2904: ($print_type eq 'map_incomplete_problems_seq') or
2905: ($print_type eq 'map_problems_in_page') ) {
2906: $selectionmade = 2;
2907: } elsif (($print_type eq 'map_problems_pages') or
2908: ($print_type eq 'map_resources_in_page'))
2909: {
2910: $selectionmade = 3;
2911: } elsif (($print_type eq 'all_problems')
2912: ) {
2913: $selectionmade = 4;
2914: } elsif ($print_type eq 'all_resources') { #BUGBUG
2915: $selectionmade = 4;
2916: } elsif ($print_type eq 'select_sequences') {
2917: $selectionmade = 7;
2918: }
2919:
2920: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
2921: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
2922: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2923: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
2924: $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
2925: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
2926: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
2927: $form{'problem_split'}='yes';
2928: }
2929: my $flag_latex_header_remove = 'NO';
2930: my $flag_page_in_sequence = 'NO';
2931: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
2932: my $prevassignment='';
2933:
2934: &Apache::lonxml::clear_problem_counter();
2935:
2936: for (my $i=0;$i<=$#master_seq;$i++) {
2937:
2938: &Apache::lonenc::reset_enc();
2939:
2940:
2941: # Note due to document structure, not allowed to put \newpage
2942: # prior to the first resource
2943:
2944: if (defined $page_breaks{$master_seq[$i]}) {
2945: if($i != 0) {
2946: $result.="\\newpage\n";
2947: }
2948: }
2949: $result .= &get_extra_vspaces($helper, $master_seq[$i]);
2950: my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
2951: $urlp=&Apache::lonnet::clutter($urlp);
2952: $form{'symb'}=$master_seq[$i];
2953:
2954: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
2955:
2956: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
2957: if ($i==0) {$prevassignment=$assignment;}
2958: my $texversion='';
2959: if ($urlp!~m|^/adm/|
2960: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
2961: my $extension = $1;
2962: $resources_printed .= $urlp.':';
2963: &Apache::lonxml::remember_problem_counter();
2964: if ($flag_latex_header_remove eq 'NO') {
2965: $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); # RF
2966: unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
2967: (($i==0) &&
2968: (($urlp=~/\.page$/) ||
2969: ($print_type eq 'map_problems_in_page') ||
2970: (($print_type eq 'map_resources_in_page') && ($extension !~ /^x?html?$/))))) {
2971: $flag_latex_header_remove = 'YES';
2972: }
2973: }
2974: $texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
2975: if ($urlp=~/\.page$/) {
2976: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
2977: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
2978: $texversion =~ s/\\end\{document}\d*/\\end{document}/;
2979: $flag_page_in_sequence = 'YES';
2980: }
2981:
2982: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2983: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2984: # Don't permanently pervert the %form hash
2985: my %answerform = %form;
2986: $answerform{'grade_target'}='answer';
2987: $answerform{'answer_output_mode'}='tex';
2988: $resources_printed .= $urlp.':';
2989:
2990: &Apache::lonxml::restore_problem_counter();
2991: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
2992: if ($urlp =~ /\.page$/) {
2993: $answer =~ s/\\end\{document}(\d*)$//;
2994: }
2995: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2996: if ($urlp =~ /\.page$/) {
2997: my @probs = split(/\\keephidden\{ENDOFPROBLEM}/,$texversion);
2998: my $lastprob = pop(@probs);
2999: $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
3000: $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
3001: } else {
3002: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
3003: }
3004: } else {
3005: if ($urlp=~/$LONCAPA::assess_page_re/) {
3006: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3007: # $texversion =~ s/\\begin\{document}//; # FIXME
3008: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
3009: $title = &Apache::lonxml::latex_special_symbols($title);
3010: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
3011: $body .= &path_to_problem ($urlp,$LaTeXwidth);
3012: $body .='\vskip 1 mm '.$answer;
3013: $body = &encapsulate_minipage($body);
3014: $texversion .= $body;
3015: } else {
3016: $texversion='';
3017: }
3018: }
3019:
3020: }
3021: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3022: my $annotation .= &annotate($urlp);
3023: $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
3024: }
3025:
3026: if ($flag_latex_header_remove ne 'NO') {
3027: $texversion = &latex_header_footer_remove($texversion);
3028: } else {
3029: $texversion =~ s/\\end\{document}//;
3030: }
3031: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3032: $texversion=&IndexCreation($texversion,$urlp);
3033: }
3034: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
3035: my $name = &get_name();
3036: my $courseidinfo = &get_course();
3037: $prevassignment=$assignment;
3038: my $header_text = $parmhash{'print_header_format'};
3039: $header_text = &format_page_header($textwidth, $header_text,
3040: $assignment,
3041: $courseidinfo,
3042: $name);
3043: if ($numberofcolumns eq '1') {
3044: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
3045: } else {
3046: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
3047: }
3048: }
3049: $result .= $texversion;
3050: $flag_latex_header_remove = 'YES';
3051: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) {
3052: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3053: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
3054: if ($urlp=~/\/ext\.tool$/) {$urlp=~s/^\/adm\/wrapper//;}
3055: $resources_printed .= $urlp.':';
3056: my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
3057: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3058: my $annotation = &annotate($urlp);
3059: $texversion =~ s/(\\end\{document)/$annotation$1/;
3060: }
3061:
3062: if ($flag_latex_header_remove ne 'NO') {
3063: $texversion = &latex_header_footer_remove($texversion);
3064: } else {
3065: $texversion =~ s/\\end\{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
3066: }
3067: $result .= $texversion;
3068: $flag_latex_header_remove = 'YES';
3069: } elsif ($urlp=~ /\.pdf$/i) {
3070: if ($i > 0) {
3071: $result .= '\cleardoublepage';
3072: }
3073: my $texfrompdf = &include_pdf($urlp);
3074: if ($flag_latex_header_remove ne 'NO') {
3075: $texfrompdf = &latex_header_footer_remove($texfrompdf);
3076: }
3077: $result .= $texfrompdf;
3078: if ($i != $#master_seq) {
3079: if ($numberofcolumns eq '1') {
3080: $result .= '\newpage';
3081: } else {
3082: # the \\'s seem to be needed to let LaTeX know there's something
3083: # on the page since LaTeX seems to not like to clear an empty page.
3084: #
3085: $result .= '\\ \cleardoublepage';
3086: }
3087: }
3088: $flag_latex_header_remove = 'YES';
3089:
3090: } else {
3091: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
3092: $master_seq[$i]);
3093: if ($flag_latex_header_remove ne 'NO') {
3094: $texversion = &latex_header_footer_remove($texversion);
3095: } else {
3096: $texversion =~ s/\\end\{document}//;
3097: }
3098: $result .= $texversion;
3099: $flag_latex_header_remove = 'YES';
3100: }
3101: if (&Apache::loncommon::connection_aborted($r)) {
3102: last;
3103: }
3104: }
3105: &Apache::lonxml::clear_problem_counter();
3106: if ($flag_page_in_sequence eq 'YES') {
3107: $result =~ s/\\usepackage\{calc}/\\usepackage{calc}\\usepackage{longtable}/;
3108: }
3109: $result .= '\end{document}';
3110: } elsif (($print_type eq 'problems_for_students') ||
3111: ($print_type eq 'problems_for_students_from_page') ||
3112: ($print_type eq 'all_problems_students') ||
3113: ($print_type eq 'resources_for_students') ||
3114: ($print_type eq 'incomplete_problems_selpeople_course') ||
3115: ($print_type eq 'map_incomplete_problems_people_seq')){
3116:
3117:
3118: #-- prints assignments for whole class or for selected students
3119: my $type;
3120: if (($print_type eq 'problems_for_students') ||
3121: ($print_type eq 'problems_for_students_from_page') ||
3122: ($print_type eq 'all_problems_students') ||
3123: ($print_type eq 'incomplete_problems_selpeople_course') ||
3124: ($print_type eq 'map_incomplete_problems_people_seq')) {
3125: $selectionmade=5;
3126: $type='problems';
3127: } elsif ($print_type eq 'resources_for_students') {
3128: $selectionmade=8;
3129: $type='resources';
3130: }
3131: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
3132: # The normal sort order is by section then by students within the
3133: # section. If the helper var student_sort is 1, then the user has elected
3134: # to override this and output the students by name.
3135: # Each element of the students array is of the form:
3136: # username:domain:section:last, first:status
3137: #
3138: # Note that student sort is not compatible with printing
3139: # 1 section per pdf...so that setting overrides.
3140: #
3141: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
3142: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
3143: @students = sort compare_names @students;
3144: } else {
3145: @students = sort compare_sections @students;
3146: }
3147: &adjust_number_to_print($helper);
3148:
3149: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
3150: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
3151: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
3152: }
3153: # If we are splitting on section boundaries, we need
3154: # to remember that in split_on_sections and
3155: # print all of the students in the list.
3156: #
3157: my $split_on_sections = 0;
3158: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
3159: $split_on_sections = 1;
3160: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
3161: }
3162: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3163:
3164: my $map;
3165: if ($helper->{VARS}->{'symb'}) {
3166: ($map, my $id, my $resource) =
3167: &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
3168: }
3169:
3170: #loop over students
3171:
3172: my $flag_latex_header_remove = 'NO';
3173: my %moreenv;
3174: $moreenv{'instructor_comments'}='hide';
3175: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
3176: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
3177: $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
3178: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3179: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
3180: if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
3181: ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
3182: $moreenv{'problem_split'}='yes';
3183: }
3184: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1);
3185: my $student_counter=-1;
3186: my $i = 0;
3187: my $last_section = (split(/:/,$students[0]))[2];
3188: my $nohidemap;
3189: if ($perm{'pav'} && $perm{'vgr'}) {
3190: $nohidemap = 1;
3191: }
3192: foreach my $person (@students) {
3193: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
3194: if (-e $duefile) {
3195: my $temp_file = Apache::File->new('>>'.$duefile);
3196: print $temp_file "1969\n";
3197: }
3198: $student_counter++;
3199: if ($split_on_sections) {
3200: my $this_section = (split(/:/,$person))[2];
3201: if ($this_section ne $last_section) {
3202: $i++;
3203: $last_section = $this_section;
3204: }
3205: } else {
3206: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
3207: }
3208: my $actual_seq = master_seq_to_person_seq($map, \@master_seq,
3209: $person, undef, $nohidemap);
3210: my ($output,$fullname, $printed)=&print_resources($r,$helper,
3211: $person,$type,
3212: \%moreenv, $actual_seq,
3213: $flag_latex_header_remove,
3214: $LaTeXwidth);
3215: $resources_printed .= ":";
3216: $print_array[$i].=$output;
3217: $student_names[$i].=$person.':'.$fullname.'_END_';
3218: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
3219: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
3220: $flag_latex_header_remove = 'YES';
3221: if (&Apache::loncommon::connection_aborted($r)) { last; }
3222: }
3223: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3224: $result .= $print_array[0].' \end{document}';
3225: } elsif (($print_type eq 'problems_for_anon') ||
3226: ($print_type eq 'problems_for_anon_page') ||
3227: ($print_type eq 'resources_for_anon') ) {
3228: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
3229: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
3230: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
3231: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
3232: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
3233: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
3234: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
3235: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
3236: my @lines = &Apache::grades::get_scantronformat_file();
3237: my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
3238: foreach my $line (@lines) {
3239: chomp($line);
3240: my ($name,$type,$length,$bubbles_per_item) =
3241: (split(/:/,$line))[0,2,4,17];
3242: if ($name eq $code_option) {
3243: $code_length=$length;
3244: if ($type eq 'number') { $code_type = 'number'; }
3245: chomp($bubbles_per_item);
3246: if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
3247: $bubbles_per_row = $bubbles_per_item;
3248: }
3249: }
3250: }
3251: my ($randomorder,$randompick,$map);
3252: if ($helper->{VARS}{'symb'}) {
3253: ($map, my $id, my $resource) =
3254: &Apache::lonnet::decode_symb($helper->{VARS}{'symb'});
3255: my $navmap = Apache::lonnavmaps::navmap->new();
3256: if (defined($navmap)) {
3257: if ($map) {
3258: my $mapres = $navmap->getResourceByUrl($map);
3259: $randomorder = $mapres->randomorder();
3260: $randompick = $mapres->randompick();
3261: }
3262: }
3263: }
3264: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
3265: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
3266: $moreenv{'instructor_comments'}='hide';
3267: $moreenv{'bubbles_per_row'} = $bubbles_per_row;
3268: my $seed=time+($$<<16)+($$);
3269: my @allcodes;
3270: if ($old_name) {
3271: my %result=&Apache::lonnet::get('CODEs',
3272: [$old_name,"type\0$old_name"],
3273: $cdom,$cnum);
3274: $code_type=$result{"type\0$old_name"};
3275: @allcodes=split(',',$result{$old_name});
3276: $num_todo=scalar(@allcodes);
3277: } elsif ($selected_code) { # Selection value is always numeric.
3278: $num_todo = 1;
3279: @allcodes = ($selected_code);
3280: } elsif ($single_code) {
3281:
3282: $num_todo = 1; # Unconditionally one code to do.
3283: # If an alpha code have to convert to numbers so it can be
3284: # converted back to letters again :-)
3285: #
3286: if ($code_type ne 'number') {
3287: $single_code = &letters_to_num($single_code);
3288: }
3289: @allcodes = ($single_code);
3290: } else {
3291: my %allcodes;
3292: srand($seed);
3293: for (my $i=0;$i<$num_todo;$i++) {
3294: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
3295: $code_type);
3296: }
3297: $code_name =~ s/^\s+//;
3298: $code_name =~ s/\s+$//;
3299: if ($code_name) {
3300: &Apache::lonnet::put('CODEs',
3301: {
3302: $code_name =>join(',',keys(%allcodes)),
3303: "type\0$code_name" => $code_type
3304: },
3305: $cdom,$cnum);
3306: }
3307: @allcodes=keys(%allcodes);
3308: }
3309: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
3310: my ($type) = split(/_/,$print_type);
3311: &adjust_number_to_print($helper);
3312: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
3313: if ($number_per_page eq '0' || $number_per_page eq 'all'
3314: || $number_per_page eq 'section') {
3315: $number_per_page=$num_todo > 0 ? $num_todo : 1;
3316: }
3317: my $flag_latex_header_remove = 'NO';
3318: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo);
3319: my $count=0;
3320: my $nohidemap;
3321: if ($perm{'pav'} && $perm{'vgr'}) {
3322: $nohidemap = 1;
3323: }
3324: foreach my $code (sort(@allcodes)) {
3325: my $file_num=int($count/$number_per_page);
3326: if ($code_type eq 'number') {
3327: $moreenv{'CODE'}=$code;
3328: } else {
3329: $moreenv{'CODE'}=&num_to_letters($code);
3330: }
3331: my $actual_seq = \@master_seq;
3332: if ($randomorder || $randompick) {
3333: $env{'form.CODE'} = $moreenv{'CODE'};
3334: $actual_seq = master_seq_to_person_seq($map, \@master_seq,
3335: undef,
3336: $moreenv{'CODE'}, $nohidemap);
3337: delete($env{'form.CODE'});
3338: }
3339: my ($output,$fullname, $printed)=
3340: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
3341: $actual_seq,$flag_latex_header_remove,
3342: $LaTeXwidth);
3343: $resources_printed .= ":";
3344: $print_array[$file_num].=$output;
3345: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
3346: &mt('last assignment').' '.$fullname);
3347: $flag_latex_header_remove = 'YES';
3348: $count++;
3349: if (&Apache::loncommon::connection_aborted($r)) { last; }
3350: }
3351: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
3352: $result .= $print_array[0].' \end{document}';
3353: } elsif ($print_type eq 'problems_from_directory') {
3354: #prints selected problems from the subdirectory
3355: $selectionmade = 6;
3356: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
3357: @list_of_files=sort @list_of_files;
3358: my $flag_latex_header_remove = 'NO';
3359: my $rndseed=time;
3360: if ($helper->{'VARS'}->{'curseed'}) {
3361: $rndseed=$helper->{'VARS'}->{'curseed'};
3362: }
3363: for (my $i=0;$i<=$#list_of_files;$i++) {
3364:
3365: &Apache::lonenc::reset_enc();
3366:
3367: my $urlp = $list_of_files[$i];
3368: $urlp=~s|//|/|;
3369: if ($urlp=~/\//) {
3370: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
3371: $form{'rndseed'}=$rndseed;
3372: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
3373: $resources_printed .= $urlp.':';
3374: my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
3375: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3376: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3377: # Don't permanently pervert %form:
3378: my %answerform = %form;
3379: $answerform{'grade_target'}='answer';
3380: $answerform{'answer_output_mode'}='tex';
3381: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3382: $answerform{'rndseed'}=$rndseed;
3383: $resources_printed .= $urlp.':';
3384: my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
3385: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3386: $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
3387: } else {
3388: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3389: if ($helper->{'VARS'}->{'construction'} ne '1') {
3390: $texversion.='\vskip 0 mm \noindent ';
3391: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3392: } else {
3393: $texversion.='\vskip 0 mm \noindent\textbf{'.
3394: &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
3395: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
3396: }
3397: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
3398: }
3399: }
3400: #this chunk is responsible for printing the path to problem
3401:
3402: my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
3403: $texversion =~ s/(\\begin\{minipage}\{\\textwidth})/$1 $newurlp/;
3404: if ($flag_latex_header_remove ne 'NO') {
3405: $texversion = &latex_header_footer_remove($texversion);
3406: } else {
3407: $texversion =~ s/\\end\{document}//;
3408: }
3409: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
3410: $texversion=&IndexCreation($texversion,$urlp);
3411: }
3412: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
3413: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
3414:
3415: }
3416: $result .= $texversion;
3417: }
3418: $flag_latex_header_remove = 'YES';
3419: }
3420: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
3421: $result .= '\end{document}';
3422: }
3423: #-------------------------------------------------------- corrections for the different page formats
3424:
3425: # Only post process if that has not been turned off e.g. by a raw latex resource.
3426:
3427: if ($do_postprocessing) {
3428: $result = &page_format_transformation($papersize,
3429: $laystyle,$numberofcolumns,
3430: $print_type,$result,
3431: $helper->{VARS}->{'assignment'},
3432: $helper->{'VARS'}->{'TABLE_CONTENTS'},
3433: $helper->{'VARS'}->{'TABLE_INDEX'},
3434: $selectionmade);
3435: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
3436: $helper->{'VARS'}->{'ANSWER_TYPE'});
3437: #if ($numberofcolumns == 1) {
3438: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
3439: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
3440: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3441: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
3442: #}
3443: }
3444:
3445: # Set URLback so we can provide a link back to the resource and to change options.
3446: # (Since the browser back button does not currently work with https,
3447: # the back link is useful even when there is an easy-to-miss LON-CAPA back button.)
3448:
3449: my $URLback=''; #link to original document
3450: if ($helper->{'VARS'}->{'construction'} eq '1') {
3451: $URLback=$helper->{'VARS'}->{'filename'};
3452: } elsif ($helper->{VARS}{'symb'}) {
3453: my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}{'symb'});
3454: $url = &Apache::lonnet::clutter($url);
3455: if ($env{'request.enc'}) {
3456: $url = &Apache::lonenc::encrypted($url);
3457: }
3458: if ($url ne '') {
3459: $URLback = $url.(($url =~ /\?/) ? '&':'?').'symb='.$helper->{VARS}{'symb'};
3460: }
3461: }
3462: #
3463: # Final adjustment of the font size:
3464: #
3465:
3466: $result = set_font_size($result);
3467:
3468: # Insert any babel headers required.
3469:
3470: $result = &collect_languages($result);
3471:
3472:
3473: #-- writing .tex file in prtspool
3474: my $temp_file;
3475: my $identifier = &Apache::loncommon::get_cgi_id();
3476: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
3477: if (!($#print_array>0)) {
3478: unless ($temp_file = Apache::File->new('>'.$filename)) {
3479: $r->log_error("Couldn't open $filename for output $!");
3480: return SERVER_ERROR;
3481: }
3482: print $temp_file $result;
3483: my $begin=index($result,'\begin{document}',0);
3484: my $inc=substr($result,0,$begin+16);
3485: } else {
3486: my $begin=index($result,'\begin{document}',0);
3487: my $inc=substr($result,0,$begin+16);
3488: for (my $i=0;$i<=$#print_array;$i++) {
3489: if ($i==0) {
3490: $print_array[$i]=$result;
3491: } else {
3492: $print_array[$i].='\end{document}';
3493: $print_array[$i] =
3494: &latex_corrections($number_of_columns,$print_array[$i],
3495: $selectionmade,
3496: $helper->{'VARS'}->{'ANSWER_TYPE'});
3497:
3498: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
3499: substr($print_array[$i],0,$anobegin)='';
3500: $print_array[$i]=$inc.$print_array[$i];
3501: }
3502: my $temp_file;
3503: my $newfilename=$filename;
3504: my $num=$i+1;
3505: $newfilename =~s/\.tex$//;
3506: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
3507: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
3508: $r->log_error("Couldn't open $newfilename for output $!");
3509: return SERVER_ERROR;
3510: }
3511: print $temp_file $print_array[$i];
3512: }
3513: }
3514: my $student_names='';
3515: if ($#print_array>0) {
3516: for (my $i=0;$i<=$#print_array;$i++) {
3517: $student_names.=$student_names[$i].'_ENDPERSON_';
3518: }
3519: } else {
3520: if ($#student_names>-1) {
3521: $student_names=$student_names[0].'_ENDPERSON_';
3522: } else {
3523: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
3524: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
3525: $env{'request.course.sec'},$fullname).
3526: '_ENDPERSON_'.'_END_';
3527: }
3528: }
3529:
3530: # logic for now is too complex to trace if this has been defined
3531: # yet.
3532: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3533: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3534: &Apache::lonnet::appenv({'cgi.'.$identifier.'.file' => $filename,
3535: 'cgi.'.$identifier.'.layout' => $laystyle,
3536: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
3537: 'cgi.'.$identifier.'.paper' => $papersize,
3538: 'cgi.'.$identifier.'.selection' => $selectionmade,
3539: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
3540: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
3541: 'cgi.'.$identifier.'.role' => $perm{'pav'},
3542: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
3543: 'cgi.'.$identifier.'.studentnames' => $student_names,
3544: 'cgi.'.$identifier.'.backref' => &escape($URLback),});
3545: &Apache::lonnet::appenv({"cgi.$identifier.user" => $env{'user.name'},
3546: "cgi.$identifier.domain" => $env{'user.domain'},
3547: "cgi.$identifier.courseid" => $cnum,
3548: "cgi.$identifier.coursedom" => $cdom,
3549: "cgi.$identifier.resources" => $resources_printed});
3550:
3551: my $end_page = &Apache::loncommon::end_page();
3552: my $continue_text = &mt('Continue');
3553: # If there's been an unrecoverable SSI error, report it to the user
3554: if ($ssi_error) {
3555: my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
3556: $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
3557: &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
3558: '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
3559: '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
3560: &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
3561: '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
3562: &mt('We apologize for the inconvenience.').'</p>'.
3563: '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
3564: } else {
3565: $r->print(<<FINALEND);
3566: <br />
3567: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
3568: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
3569: $end_page
3570: FINALEND
3571: } # endif ssi errors.
3572: }
3573:
3574:
3575: sub get_CODE {
3576: my ($all_codes,$num,$seed,$size,$type)=@_;
3577: my $max='1'.'0'x$size;
3578: my $newcode;
3579: while(1) {
3580: $newcode=sprintf("%0".$size."d",int(rand($max)));
3581: if (!exists($$all_codes{$newcode})) {
3582: $$all_codes{$newcode}=1;
3583: if ($type eq 'number' ) {
3584: return $newcode;
3585: } else {
3586: return &num_to_letters($newcode);
3587: }
3588: }
3589: }
3590: }
3591:
3592: sub print_resources {
3593: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
3594: $LaTeXwidth)=@_;
3595: my $current_output = '';
3596: my $printed = '';
3597: my ($username,$userdomain,$usersection) = split /:/,$person;
3598: my $fullname = &get_name($username,$userdomain);
3599: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
3600:
3601:
3602: #
3603: # Figure out if we need to filter the output by
3604: # the incomplete problems for that person
3605: #
3606: my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
3607: my $print_incomplete = 0;
3608: if (($print_type eq 'map_incomplete_problems_people_seq') ||
3609: ($print_type eq 'incomplete_problems_selpeople_course')) {
3610: $print_incomplete = 1;
3611: }
3612: if ($person eq 'anonymous') {
3613: $namepostfix .=&mt('Name:')." ";
3614: $fullname = "CODE - ".$moreenv->{'CODE'};
3615: }
3616:
3617: # Fullname may have special latex characters that need \ prefixing:
3618: #
3619:
3620: my $i = 0;
3621: my $actually_printed = 0; # Count of resources printed.
3622: #goes through all resources, checks if they are available for
3623: #current student, and produces output
3624:
3625: &Apache::lonxml::clear_problem_counter();
3626: my %page_breaks = &get_page_breaks($helper);
3627: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
3628: #
3629: # end each student with a
3630: # Special that allows the post processor to even out the page
3631: # counts later. Nasty problem this... it would be really
3632: # nice to put the special in as a postscript comment
3633: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
3634: # The special gets passed the \ and dvips puts it in the output file
3635: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
3636: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
3637: #
3638:
3639: my $syllabus_first = 0;
3640: my $current_assignment = "";
3641: my $assignment;
3642: my $courseidinfo = &get_course();
3643: my $possprint = scalar(@{$master_seq});
3644:
3645: foreach my $curresline (@{$master_seq}) {
3646: if (defined $page_breaks{$curresline}) {
3647: if($i != 0) {
3648: $current_output.= "\\newpage\n";
3649: }
3650: }
3651: $current_output .= &get_extra_vspaces($helper, $curresline);
3652: $i++;
3653: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
3654:
3655: # See if we need to emit a new header:
3656:
3657: if ( !($type eq 'problems' &&
3658: ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
3659: if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
3660: next;
3661: }
3662: $actually_printed++; # we're going to print one.
3663:
3664: if (&Apache::lonnet::allowed('bre',$res_url)) {
3665: if ($res_url!~m|^ext/|
3666: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
3667: $printed .= $curresline.':';
3668: &Apache::lonxml::remember_problem_counter();
3669:
3670: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3671: if ($res_url =~ /\.page$/) {
3672: if ($remove_latex_header eq 'NO') {
3673: if (!($rendered =~ /\\begin\{document\}/)) {
3674: $rendered = &print_latex_header().$rendered;
3675: }
3676: }
3677: ;
3678: if ($remove_latex_header eq 'YES') {
3679: $rendered = &latex_header_footer_remove($rendered);
3680: } else {
3681: $rendered =~ s/\\end\{document}\d*//;
3682: }
3683: }
3684: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
3685: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
3686: # Use a copy of the hash so we don't pervert it on future loop passes.
3687: my %answerenv = %{$moreenv};
3688: $answerenv{'answer_output_mode'}='tex';
3689:
3690:
3691: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
3692:
3693: &Apache::lonxml::restore_problem_counter();
3694:
3695: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
3696:
3697: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
3698: $rendered=~s/(\\keephidden\{ENDOFPROBLEM})/$ansrendered$1/;
3699: } else {
3700:
3701:
3702: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
3703: unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
3704: $header =~ s/\\begin\{document}//; #<<<<<
3705: }
3706: my $title = &Apache::lonnet::gettitle($curresline);
3707: $title = &Apache::lonxml::latex_special_symbols($title);
3708: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
3709: $body .=&path_to_problem($res_url,$LaTeXwidth);
3710: $body .='\vskip 1 mm '.$ansrendered;
3711: $body = &encapsulate_minipage($body);
3712: $rendered = $header.$body;
3713: }
3714: }
3715: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3716: my $url = &Apache::lonnet::clutter($res_url);
3717: my $annotation = &annotate($url);
3718: $rendered =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
3719: }
3720: my $junk;
3721: if ($remove_latex_header eq 'YES') {
3722: $rendered = &latex_header_footer_remove($rendered);
3723: } else {
3724: $rendered =~ s/\\end\{document}//;
3725: }
3726: $current_output .= $rendered;
3727: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) {
3728: if ($i == 1) {
3729: $syllabus_first = 1;
3730: }
3731: $printed .= $curresline.':';
3732: my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
3733: if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
3734: my $url = &Apache::lonnet::clutter($res_url);
3735: my $annotation = &annotate($url);
3736: $annotation =~ s/(\\end\{document})/$annotation$1/;
3737: }
3738: if ($remove_latex_header eq 'YES') {
3739: $rendered = &latex_header_footer_remove($rendered);
3740: } else {
3741: $rendered =~ s/\\end\{document}//;
3742: }
3743: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
3744: } elsif($res_url = ~/\.pdf$/) {
3745: my $url = &Apache::lonnet::clutter($res_url);
3746: my $rendered = &include_pdf($url);
3747: if ($remove_latex_header ne 'NO') {
3748: $rendered = &latex_header_footer_remove($rendered);
3749: }
3750: $current_output .= $rendered;
3751: } else {
3752: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
3753: if ($remove_latex_header ne 'NO') {
3754: $rendered = &latex_header_footer_remove($rendered);
3755: } else {
3756: $rendered =~ s/\\end\{document}//;
3757: }
3758: $current_output .= $rendered;
3759: }
3760: }
3761: $remove_latex_header = 'YES';
3762: }
3763: $assignment = &Apache::lonxml::latex_special_symbols(
3764: &Apache::lonnet::gettitle($map), 'header');
3765: if (($assignment ne $current_assignment) && ($assignment ne "")) {
3766: my $header_line = &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3767: $assignment, $courseidinfo,
3768: $fullname, $usersection);
3769: my $header_start = ($columns_in_format == 1) ? '\lhead'
3770: : '\fancyhead[LO]';
3771: $header_line = $header_start.'{'.$header_line.'}';
3772: $current_output = $current_output . $header_line;
3773: $current_assignment = $assignment;
3774: }
3775:
3776: if (&Apache::loncommon::connection_aborted($r)) { last; }
3777: }
3778: # If we are printing incomplete it's possible we don't have
3779: # anything to print. The print subsystem is not so good at handling
3780: # that so we're going to generate a stub that says there are no
3781: # incomplete resources for the person.
3782: #
3783:
3784: if ($actually_printed == 0) {
3785: my $message = &mt('No resources to print');
3786: if (!$possprint) {
3787: if ($perm{'pav'} || $perm{'pfo'}) {
3788: $message = &mt('There are no unhidden resources to print.')."\n\n".
3789: &mt('The most likely reason is one of the following: ')."\n".
3790: '\begin{itemize}'."\n".
3791: '\item '.&mt("The 'Resource hidden from students' parameter is set for the folder being printed.")."\n".
3792: '\item '.&mt("'Hidden' is checked in the Course Editor individually for each resource in the folder being printed.")."\n".
3793: '\end{itemize}'."\n\n".
3794: &mt("Note: to print a bubblesheet exam which you want to hide from students, ".
3795: "use the Course Editor to check the 'Hidden' checkbox for the exam folder itself.")."\n";
3796: }
3797: } elsif ($print_incomplete) {
3798: $message = &mt('No incomplete resources');
3799: }
3800: if ($message) {
3801: $current_output = &encapsulate_minipage("\\vskip -10mm \n$message\n \\vskip 100 mm { }\n");
3802: }
3803: if ($remove_latex_header eq "NO") {
3804: $current_output = &print_latex_header() . $current_output;
3805: } else {
3806: $current_output = &latex_header_footer_remove($current_output);
3807: }
3808: }
3809:
3810: if ($syllabus_first) {
3811: $current_output =~ s/\\\\ Last updated:/Last updated:/
3812: }
3813: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
3814: my $header_line =
3815: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
3816: $currentassignment, $courseidinfo, $fullname, $usersection);
3817: my $header_start = ($columns_in_format == 1) ? '\lhead' : '\fancyhead[LO]';
3818: my $newheader = $header_start.'{'.$header_line.'}';
3819: if ($current_output=~/\\documentclass/) {
3820: $current_output =~ s/\\begin\{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$newheader$namepostfix}\\vskip 5 mm /;
3821:
3822: } else {
3823: my $blankpages =
3824: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
3825:
3826: $current_output = '\strut\vspace*{-6 mm}\\newline'.
3827: ©right_line().' \newpage '.$blankpages.$end_of_student.
3828: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
3829: $newheader.$namepostfix. '} \vskip 5 mm '.$current_output;
3830:
3831: }
3832: #
3833: # Close the student bracketing.
3834: #
3835: return ($current_output,$fullname, $printed);
3836:
3837: }
3838:
3839: sub printing_blocked {
3840: my ($r,$blocktext) = @_;
3841: my $title = &mt('Preparing Printout');
3842: &Apache::lonhtmlcommon::clear_breadcrumbs();
3843: &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout',
3844: text=> $title});
3845: my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
3846: &Apache::loncommon::content_type($r,'text/html');
3847: &Apache::loncommon::no_cache($r);
3848: $r->send_http_header;
3849: $r->print(&Apache::loncommon::start_page('Preparing Printout').
3850: $breadcrumbs.
3851: $blocktext.
3852: &Apache::loncommon::end_page());
3853: return;
3854: }
3855:
3856: sub handler {
3857:
3858: my $r = shift;
3859:
3860: if ($env{'request.course.id'}) {
3861: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3862: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3863: my ($blocked,$blocktext) =
3864: &Apache::loncommon::blocking_status('printout',$cnum,$cdom);
3865: if ($blocked) {
3866: my $checkrole = "cm./$cdom/$cnum";
3867: if ($env{'request.course.sec'} ne '') {
3868: $checkrole .= "/$env{'request.course.sec'}";
3869: }
3870: unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
3871: ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
3872: &printing_blocked($r,$blocktext);
3873: return OK;
3874: }
3875: }
3876: }
3877:
3878: &init_perm();
3879: my $helper = printHelper($r);
3880: if (!ref($helper)) {
3881: return $helper;
3882: }
3883:
3884:
3885: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
3886:
3887:
3888:
3889:
3890: # If a figure conversion queue file exists for this user.domain
3891: # we delete it since it can only be bad (if it were good, printout.pl
3892: # would have deleted it the last time around.
3893:
3894: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
3895: if(-e $conversion_queuefile) {
3896: unlink $conversion_queuefile;
3897: }
3898:
3899:
3900: &output_data($r,$helper,\%parmhash);
3901: return OK;
3902: }
3903:
3904: use Apache::lonhelper;
3905:
3906: sub addMessage {
3907: my $text = shift;
3908: my $paramHash = Apache::lonhelper::getParamHash();
3909: $paramHash->{MESSAGE_TEXT} = $text;
3910: Apache::lonhelper::message->new();
3911: }
3912:
3913:
3914:
3915: sub init_perm {
3916: undef(%perm);
3917: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
3918: if (!$perm{'pav'}) {
3919: $perm{'pav'}=&Apache::lonnet::allowed('pav',
3920: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3921: }
3922: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
3923: if (!$perm{'pfo'}) {
3924: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
3925: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3926: }
3927: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
3928: if (!$perm{'vgr'}) {
3929: $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
3930: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
3931: }
3932: }
3933:
3934: sub get_randomly_ordered_warning {
3935: my ($helper,$map) = @_;
3936:
3937: my $message;
3938:
3939: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
3940: my $navmap = Apache::lonnavmaps::navmap->new();
3941: if (defined($navmap)) {
3942: my $res = $navmap->getResourceByUrl($map);
3943: if ($res) {
3944: my $func =
3945: sub { return ($_[0]->is_map() && $_[0]->randomorder); };
3946: my @matches = $navmap->retrieveResources($res, $func,1,1,1);
3947:
3948: }
3949: } else {
3950: $message = "Retrieval of information about ordering of resources failed.";
3951: return '<message type="warning">'.$message.'</message>';
3952: }
3953: return;
3954: }
3955:
3956: sub printHelper {
3957: my $r = shift;
3958:
3959: if ($r->header_only) {
3960: if ($env{'browser.mathml'}) {
3961: &Apache::loncommon::content_type($r,'text/xml');
3962: } else {
3963: &Apache::loncommon::content_type($r,'text/html');
3964: }
3965: $r->send_http_header;
3966: return OK;
3967: }
3968:
3969: # Send header, nocache
3970: if ($env{'browser.mathml'}) {
3971: &Apache::loncommon::content_type($r,'text/xml');
3972: } else {
3973: &Apache::loncommon::content_type($r,'text/html');
3974: }
3975: &Apache::loncommon::no_cache($r);
3976: $r->send_http_header;
3977: $r->rflush();
3978:
3979: # Unfortunately, this helper is so complicated we have to
3980: # write it by hand
3981:
3982: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
3983:
3984: my $helper = Apache::lonhelper::helper->new("Printing Helper");
3985: $helper->declareVar('symb');
3986: $helper->declareVar('postdata');
3987: $helper->declareVar('curseed');
3988: $helper->declareVar('probstatus');
3989: $helper->declareVar('filename');
3990: $helper->declareVar('construction');
3991: $helper->declareVar('assignment');
3992: $helper->declareVar('style_file');
3993: $helper->declareVar('student_sort');
3994: $helper->declareVar('FINISHPAGE');
3995: $helper->declareVar('PRINT_TYPE');
3996: $helper->declareVar("showallfoils");
3997: $helper->declareVar("STUDENTS");
3998: $helper->declareVar("EXTRASPACE");
3999:
4000:
4001:
4002:
4003: # The page breaks and extra spaces
4004: # can get loaded initially from the course environment:
4005: # But we only do this in the initial state so that they are allowed to change.
4006: #
4007:
4008:
4009: &Apache::loncommon::restore_course_settings('print',
4010: {'pagebreaks' => 'scalar',
4011: 'extraspace' => 'scalar',
4012: 'extraspace_units' => 'scalar',
4013: 'lastprinttype' => 'scalar'});
4014:
4015: # This will persistently load in the data we want from the
4016: # very first screen.
4017:
4018: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
4019: if (!defined ($env{"form.CURRENT_STATE"})) {
4020:
4021: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
4022: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
4023: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
4024: } else {
4025: my $state = $env{"form.CURRENT_STATE"};
4026: if ($state eq "START") {
4027: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
4028: $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
4029: $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
4030:
4031: }
4032: }
4033:
4034: }
4035:
4036: # Detect whether we're coming from construction space
4037: if ($env{'form.postdata'}=~m{^/priv}) {
4038: $helper->{VARS}->{'filename'} = $env{'form.postdata'};
4039: $helper->{VARS}->{'construction'} = 1;
4040: } else {
4041: if ($env{'form.postdata'}) {
4042: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
4043: if ( $helper->{VARS}->{'symb'} eq '') {
4044: $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
4045: }
4046: }
4047: if ($env{'form.symb'}) {
4048: $helper->{VARS}->{'symb'} = $env{'form.symb'};
4049: }
4050: if ($env{'form.url'}) {
4051: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
4052: }
4053:
4054: }
4055:
4056: if ($env{'form.symb'}) {
4057: $helper->{VARS}->{'symb'} = $env{'form.symb'};
4058: }
4059: if ($env{'form.url'}) {
4060: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
4061:
4062: }
4063: $helper->{VARS}->{'symb'}=
4064: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
4065: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
4066: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
4067:
4068:
4069: # Extract map
4070: my $symb = $helper->{VARS}->{'symb'};
4071: my ($map, $id, $url);
4072: my $subdir;
4073: my $is_published=0; # True when printing from resource space.
4074: my $res_printable = 1; # By default the current resource is printable.
4075: my $res_error;
4076: my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
4077: my $res_printstartdate;
4078: my $res_printenddate;
4079: my $map_open = 0;
4080: my $map_close = 0xffffffff;
4081: my $course_open = 0;
4082: my $course_close = 0xffffffff;
4083:
4084: # Get the resource name from construction space
4085: if ($helper->{VARS}->{'construction'}) {
4086: $resourceTitle = substr($helper->{VARS}->{'filename'},
4087: rindex($helper->{VARS}->{'filename'}, '/')+1);
4088: $subdir = substr($helper->{VARS}->{'filename'},
4089: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
4090: } else {
4091: # From course space:
4092:
4093: if ($symb ne '') {
4094: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
4095: $helper->{VARS}->{'postdata'} =
4096: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
4097: if (!$userCanPrint) {
4098: my $navmap = Apache::lonnavmaps::navmap->new();
4099: if (ref($navmap)) {
4100: my $res = $navmap->getBySymb($symb);
4101: if (ref($res)) {
4102: $res_printable = $res->resprintable(); #printability in course context
4103: ($res_printstartdate, $res_printenddate) = &get_print_dates($res);
4104: ($course_open, $course_close) = &course_print_dates($res);
4105: ($map_open, $map_close) = &map_print_dates($res);
4106: } else {
4107: $res_error = 1;
4108: }
4109: } else {
4110: $res_error = 1;
4111: }
4112: }
4113: } else {
4114: # Resource space.
4115:
4116: $url = $helper->{VARS}->{'postdata'};
4117: $is_published=1; # From resource space.
4118: }
4119: $url = &Apache::lonnet::clutter($url);
4120: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
4121: my $postdata = $helper->{VARS}->{'postdata'};
4122: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
4123: }
4124: $subdir = &Apache::lonnet::filelocation("", $url);
4125:
4126:
4127: }
4128: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
4129: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
4130: }
4131:
4132: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4133: $helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
4134: }
4135:
4136: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
4137:
4138: Apache::lonhelper::registerHelperTags();
4139:
4140: # "Delete everything after the last slash."
4141: $subdir =~ s|/[^/]+$||;
4142:
4143: # What can be printed is a very dynamic decision based on
4144: # lots of factors. So we need to dynamically build this list.
4145: # To prevent security leaks, states are only added to the wizard
4146: # if they can be reached, which ensures manipulating the form input
4147: # won't allow anyone to reach states they shouldn't have permission
4148: # to reach.
4149:
4150: # printChoices is tracking the kind of printing the user can
4151: # do, and will be used in a choices construction later.
4152: # In the meantime we will be adding states and elements to
4153: # the helper by hand.
4154: my $printChoices = [];
4155: my $paramHash;
4156:
4157: # If there is a current resource and it is printable
4158: # Give that as a choice.
4159:
4160: if ($resourceTitle && $res_printable) {
4161: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
4162: }
4163:
4164: # Useful filter strings
4165:
4166: my $isPrintable = ' && $res->resprintable()';
4167:
4168: my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
4169: $isProblem .= $isPrintable unless $userCanPrint;
4170: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
4171: my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
4172: $isProblemOrMap .= $isPrintable unless $userCanPrint;
4173: my $isNotMap = '(!$res->is_sequence())';
4174: $isNotMap .= $isPrintable unless $userCanPrint;
4175: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
4176: my $isMap = '$res->is_map()';
4177: $isMap .= $isPrintable unless $userCanPrint;
4178: my $symbFilter = '$res->shown_symb() ';
4179: my $urlValue = '$res->link()';
4180:
4181: $helper->declareVar('SEQUENCE');
4182:
4183: # If we're in a sequence...
4184:
4185: my $start_new_option;
4186: if ($perm{'pav'}) {
4187: $start_new_option =
4188: "<option text='".&mt('Start new page[_1]before selected','<br />').
4189: "' variable='FINISHPAGE' />".
4190: "<option text='".&mt('Extra space[_1]before selected','<br />').
4191: "' variable='EXTRASPACE' type='text' />" .
4192: "<option " .
4193: "' variable='POSSIBLE_RESOURCES' type='hidden' />".
4194: "<option text='".&mt('Space units[_1]check for mm','<br />').
4195: "' variable='EXTRASPACE_UNITS' type='checkbox' />"
4196: ;
4197:
4198:
4199: }
4200:
4201: # If not construction space user can print the components of a page:
4202:
4203: my $page_ispage;
4204: my $page_title;
4205: if (!$helper->{VARS}->{'construction'}) {
4206: my $varspostdata = $helper->{VARS}->{'postdata'};
4207: my $varsassignment = $helper->{VARS}->{'assignment'};
4208: my $page_navmap = Apache::lonnavmaps::navmap->new();
4209: if (defined($page_navmap)) {
4210: my @page_resources = $page_navmap->retrieveResources($url);
4211: if(defined($page_resources[0])) {
4212: $page_ispage = $page_resources[0]->is_page();
4213: $page_title = $page_resources[0]->title();
4214: my $resourcesymb = $page_resources[0]->symb();
4215: my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
4216: if ($page_ispage) {
4217: push @{$printChoices},
4218: [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4219: 'map_problems_in_page',
4220: 'CHOOSE_PROBLEMS_PAGE'];
4221: push @{$printChoices},
4222: [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
4223: 'map_resources_in_page',
4224: 'CHOOSE_RESOURCES_PAGE'];
4225: }
4226: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
4227: 'Select Problem(s) to print',
4228: "multichoice='1' toponly='1' addstatus='1' closeallpages='1' modallink='1'",
4229: 'RESOURCES',
4230: 'PAGESIZE',
4231: $url,
4232: $isProblem, '', $symbFilter,
4233: $start_new_option);
4234:
4235:
4236: $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
4237: 'Select Resource(s) to print',
4238: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1"',
4239: 'RESOURCES',
4240: 'PAGESIZE',
4241: $url,
4242: $isNotMap, '', $symbFilter,
4243: $start_new_option);
4244:
4245:
4246:
4247:
4248:
4249: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4250:
4251: }
4252: }
4253: }
4254:
4255: if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
4256: $helper->{VARS}->{'postdata'} &&
4257: $helper->{VARS}->{'assignment'}) {
4258:
4259: # BZ 5209 - Print incomplete problems from sequence:
4260: # the exact form of this depends on whether or not we are privileged or a mere
4261: # plebe of s student:
4262:
4263: my $printSelector = 'map_incomplete_problems_seq';
4264: my $nextState = 'CHOOSE_INCOMPLETE_SEQ';
4265: my $textSuffix = '';
4266:
4267: if ($userCanPrint) {
4268: $printSelector = 'map_incomplete_problems_people_seq';
4269: $nextState = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
4270: $textSuffix = ' for selected students';
4271: my $helperStates =
4272: &create_incomplete_folder_selstud_helper($helper, $map);
4273: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4274: } else {
4275: if (&printable($map_open, $map_close)) {
4276: my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student.
4277: &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
4278: } else {
4279: # TODO: Figure out how to break the news...this folder is not printable.
4280: }
4281: }
4282:
4283: if ($userCanPrint || &printable($map_open, $map_close)) {
4284: push(@{$printChoices},
4285: [&mt('Selected [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
4286: '<b>', '</b>',
4287: '<b><i>'. $sequenceTitle . '</b></i>'),
4288: $printSelector,
4289: $nextState]);
4290: }
4291: # Allow problems from sequence
4292: if ($userCanPrint || &printable($map_open, $map_close)) {
4293: push @{$printChoices},
4294: [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4295: 'map_problems',
4296: 'CHOOSE_PROBLEMS'];
4297: # Allow all resources from sequence
4298: push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'),
4299: 'map_problems_pages',
4300: 'CHOOSE_PROBLEMS_HTML'];
4301: my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
4302: 'Select Problem(s) to print',
4303: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1"',
4304: 'RESOURCES',
4305: 'PAGESIZE',
4306: $map,
4307: $isProblem, '',
4308: $symbFilter,
4309: $start_new_option);
4310: $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
4311: 'Select Resource(s) to print',
4312: 'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1"',
4313: 'RESOURCES',
4314: 'PAGESIZE',
4315: $map,
4316: $isNotMap, '',
4317: $symbFilter,
4318: $start_new_option);
4319:
4320: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4321: } else {
4322: # TODO: Figure out how to tell them the folder is not printable.
4323: }
4324: }
4325: # If the user has pfo (print for others) allow them to print all
4326: # problems and resources in the entire course, optionally for selected students
4327: my $post_data = $helper->{VARS}->{'postdata'};
4328:
4329: if ($perm{'pfo'} && !$is_published &&
4330: ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
4331:
4332: # BZ 5209 - incomplete problems from entire course:
4333:
4334: push(@{$printChoices},
4335: [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
4336: 'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
4337: my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
4338:
4339: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
4340:
4341: # Selected problems/resources from entire course:
4342:
4343: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
4344: push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
4345: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
4346: my $suffixXml = <<ALL_PROBLEMS;
4347: <state name="STUDENTS1" title="Select People">
4348: <message><b>Select sorting order of printout</b> </message>
4349: <choices variable='student_sort'>
4350: <choice computer='0'>Sort by section then student</choice>
4351: <choice computer='1'>Sort by students across sections.</choice>
4352: </choices>
4353: <message><br /><hr /><br /> </message>
4354: <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
4355: </state>
4356: ALL_PROBLEMS
4357: &Apache::lonxml::xmlparse($r, 'helper',
4358: &generate_resource_chooser('ALL_PROBLEMS',
4359: 'Select Problem(s) to print',
4360: 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1" modallink="1"',
4361: 'RESOURCES',
4362: 'PAGESIZE',
4363: '',
4364: $isProblemOrMap, $isNotMap,
4365: $symbFilter,
4366: $start_new_option) .
4367: &generate_resource_chooser('ALL_RESOURCES',
4368: 'Select Resource(s) to print',
4369: " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1' modallink='1'",
4370: 'RESOURCES',
4371: 'PAGESIZE',
4372: '',
4373: $isNotMap,'',$symbFilter,
4374: $start_new_option) .
4375: &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
4376: 'Select Problem(s) to print',
4377: 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1" modallink="1"',
4378: 'RESOURCES',
4379: 'STUDENTS1',
4380: '',
4381: $isProblemOrMap,'' , $symbFilter,
4382: $start_new_option) .
4383: $suffixXml
4384: );
4385:
4386: if ($helper->{VARS}->{'assignment'}) {
4387:
4388: # If we were looking at a page, allow a selection of problems from the page
4389: # either for selected students or for coded assignments.
4390:
4391: if ($page_ispage) {
4392: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
4393: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4394: 'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
4395: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
4396: '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
4397: 'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
4398: }
4399: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
4400: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4401: 'problems_for_students', 'CHOOSE_STUDENTS'];
4402: push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
4403: '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
4404: 'problems_for_anon', 'CHOOSE_ANON1'];
4405: }
4406:
4407: my $randomly_ordered_warning =
4408: &get_randomly_ordered_warning($helper, $map);
4409:
4410: # resource_selector will hold a few states that:
4411: # - Allow resources to be selected for printing.
4412: # - Determine pagination between assignments.
4413: # - Determine how many assignments should be bundled into a single PDF.
4414: # TODO:
4415: # Probably good to do things like separate this up into several vars, each
4416: # with one state, and use REGEXPs at inclusion time to set state names
4417: # and next states for better mix and match capability
4418: #
4419: my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
4420: 'Select resources to print',
4421: 'multichoice="1" addstatus="1" closeallpages="1" modallink="1"',
4422: 'RESOURCES',
4423: 'PRINT_FORMATTING',
4424: $map,
4425: $isProblem, '', $symbFilter,
4426: $start_new_option);
4427: $resource_selector .= &generate_format_selector($helper,
4428: 'How should results be printed?',
4429: 'PRINT_FORMATTING').
4430: &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
4431: 'Select Problem(s) to print',
4432: "multichoice='1' addstatus='1' closeallpages ='1' modallink='1'",
4433: 'RESOURCES',
4434: 'PRINT_FORMATTING',
4435: $url,
4436: $isProblem, '', $symbFilter,
4437: $start_new_option);
4438:
4439:
4440: # Generate student choosers.
4441:
4442:
4443:
4444: &Apache::lonxml::xmlparse($r, 'helper',
4445: &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
4446: 'student_sort',
4447: 'STUDENTS',
4448: 'CHOOSE_STUDENTS_PAGE'));
4449: &Apache::lonxml::xmlparse($r, 'helper',
4450: &generate_student_chooser('CHOOSE_STUDENTS',
4451: 'student_sort',
4452: 'STUDENTS',
4453: 'SELECT_PROBLEMS'));
4454: &Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
4455:
4456: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4457: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4458: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
4459: my $namechoice='<choice></choice>';
4460: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
4461: if ($name =~ /^error: 2 /) { next; }
4462: if ($name =~ /^type\0/) { next; }
4463: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
4464: }
4465:
4466:
4467: my %code_values;
4468: my %codes_to_print;
4469: foreach my $key (@names) {
4470: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
4471: foreach my $key (keys(%code_values)) {
4472: $codes_to_print{$key} = 1;
4473: }
4474: }
4475:
4476: my $code_selection;
4477: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
4478: my $choice = $code;
4479: if ($code =~ /^[A-Z]+$/) { # Alpha code
4480: $choice = &letters_to_num($code);
4481: }
4482: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
4483: }
4484: if (%codes_to_print) {
4485: $code_selection .='
4486: <message><b>Choose single CODE from list:</b></message>
4487: <message></td><td></message>
4488: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
4489: <choice></choice>
4490: <exec>
4491: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
4492: </exec>
4493: </dropdown>
4494: <message></td></tr><tr><td></message>
4495: '.$/;
4496:
4497: }
4498:
4499: my @lines = &Apache::grades::get_scantronformat_file();
4500: my $codechoice='';
4501: foreach my $line (@lines) {
4502: next if (($line =~ /^\#/) || ($line eq ''));
4503: my ($name,$description,$code_type,$code_length)=
4504: (split(/:/,$line))[0,1,2,4];
4505: if ($code_length > 0 &&
4506: $code_type =~/^(letter|number|-1)/) {
4507: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
4508: }
4509: }
4510: if ($codechoice eq '') {
4511: $codechoice='<choice computer="default">Default</choice>';
4512: }
4513: my $anon1 = &generate_code_selector($helper,
4514: 'CHOOSE_ANON1',
4515: 'SELECT_PROBLEMS',
4516: $codechoice,
4517: $code_selection,
4518: $namechoice) . $resource_selector;
4519:
4520:
4521: &Apache::lonxml::xmlparse($r, 'helper',$anon1);
4522:
4523: my $anon_page = &generate_code_selector($helper,
4524: 'CHOOSE_ANON1_PAGE',
4525: 'SELECT_PROBLEMS_PAGE',
4526: $codechoice,
4527: $code_selection,
4528: $namechoice) .
4529: &generate_resource_chooser('SELECT_PROBLEMS_PAGE',
4530: 'Select Problem(s) to print',
4531: "multichoice='1' addstatus='1' closeallpages ='1' modallink='1'",
4532: 'RESOURCES',
4533: 'PRINT_FORMATTING',
4534: $url,
4535: $isProblem, '', $symbFilter,
4536: $start_new_option);
4537: &Apache::lonxml::xmlparse($r, 'helper', $anon_page);
4538:
4539:
4540: if ($helper->{VARS}->{'assignment'}) {
4541:
4542: # Assignment printing:
4543:
4544: 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'];
4545: 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'];
4546: }
4547:
4548:
4549: $resource_selector=<<RESOURCE_SELECTOR;
4550: <state name="SELECT_RESOURCES" title="Select Resources">
4551: $randomly_ordered_warning
4552: <nextstate>PRINT_FORMATTING</nextstate>
4553: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
4554: <resource variable="RESOURCES" multichoice="1" addstatus="1"
4555: closeallpages="1" modallink="1">
4556: <filterfunc>return $isNotMap;</filterfunc>
4557: <mapurl>$map</mapurl>
4558: <valuefunc>return $symbFilter;</valuefunc>
4559: $start_new_option
4560: </resource>
4561: </state>
4562: RESOURCE_SELECTOR
4563:
4564: $resource_selector .= &generate_format_selector($helper,
4565: 'Format of the print job',
4566: 'PRINT_FORMATTING');
4567: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
4568: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
4569: <choices variable='student_sort'>
4570: <choice computer='0'>Sort by section then student</choice>
4571: <choice computer='1'>Sort by students across sections.</choice>
4572: </choices>
4573: <message><br /><hr /><br /></message>
4574: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
4575:
4576: </state>
4577: $resource_selector
4578: CHOOSE_STUDENTS1
4579:
4580: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
4581: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
4582: <nextstate>SELECT_RESOURCES</nextstate>
4583: <message><h4>Fill out one of the forms below</h4></message>
4584: <message><br /><hr /> <br /></message>
4585: <message><h3>Generate new CODEd Assignments</h3></message>
4586: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
4587: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5" noproceed="1">
4588: <validator>
4589: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
4590: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4591: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
4592: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4593: return "You need to specify the number of assignments to print";
4594: }
4595: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1) &&
4596: (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
4597: return 'Specifying number of codes to print and a specific code is not compatible';
4598: }
4599: return undef;
4600: </validator>
4601: </string>
4602: <message></td></tr><tr><td></message>
4603: <message><b>Names to save the CODEs under for later:</b></message>
4604: <message></td><td></message>
4605: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
4606: <message></td></tr><tr><td></message>
4607: <message><b>Bubblesheet type:</b></message>
4608: <message></td><td></message>
4609: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
4610: $codechoice
4611: </dropdown>
4612: <message></td></tr><tr><td></table></message>
4613: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
4614: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
4615: <string variable="SINGLE_CODE" size="10">
4616: <validator>
4617: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
4618: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
4619: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
4620: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
4621: \$helper->{'VARS'}{'CODE_OPTION'});
4622: } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
4623: return 'Specifying a code name is incompatible specifying number of codes.';
4624: } else {
4625: return undef; # Other forces control us.
4626: }
4627: </validator>
4628: </string>
4629: <message></td></tr><tr><td></message>
4630: $code_selection
4631: <message></td></tr></table></message>
4632: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
4633: <message><b>Select saved CODEs:</b></message>
4634: <message></td><td></message>
4635: <dropdown variable="REUSE_OLD_CODES">
4636: $namechoice
4637: </dropdown>
4638: <message></td></tr></table></message>
4639: </state>
4640: $resource_selector
4641: CHOOSE_ANON2
4642: }
4643:
4644: # FIXME: That RE should come from a library somewhere.
4645: if (($perm{'pav'}
4646: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
4647: && (defined($helper->{'VARS'}->{'construction'})
4648: ||
4649: (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
4650: &&
4651: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
4652: ))
4653: && $helper->{VARS}->{'assignment'} eq ""
4654: ) {
4655: my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
4656: 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'];
4657: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
4658: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
4659:
4660: <files variable="FILES" multichoice='1'>
4661: <nextstate>PAGESIZE</nextstate>
4662: <filechoice>return '$subdir';</filechoice>
4663: CHOOSE_FROM_SUBDIR
4664:
4665: # this is broken up because I really want interpolation above,
4666: # and I really DON'T want it below
4667: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
4668: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
4669: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
4670: </filefilter>
4671: </files>
4672: </state>
4673: CHOOSE_FROM_SUBDIR
4674: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4675: }
4676:
4677: # Allow the user to select any sequence in the course, feed it to
4678: # another resource selector for that sequence
4679: if (!$helper->{VARS}->{'construction'} && !$is_published) {
4680: push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
4681: 'select_sequences', 'CHOOSE_SEQUENCE'];
4682: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
4683: #Escape apostrophes and backslashes for Perl
4684: $escapedSequenceName =~ s/\\/\\\\/g;
4685: $escapedSequenceName =~ s/'/\\'/g;
4686: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
4687: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
4688: <message>Select the sequence to print resources from:</message>
4689: <resource variable="SEQUENCE">
4690: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
4691: <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
4692: <valuefunc>return $urlValue;</valuefunc>
4693: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
4694: </choicefunc>
4695: </resource>
4696: </state>
4697: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
4698: <message>(mark desired resources then click "next" button) <br /></message>
4699: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
4700: closeallpages="1" modallink="1">
4701: <nextstate>PAGESIZE</nextstate>
4702: <filterfunc>return $isNotMap</filterfunc>
4703: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
4704: <valuefunc>return $symbFilter;</valuefunc>
4705: $start_new_option
4706: </resource>
4707: </state>
4708: CHOOSE_FROM_ANY_SEQUENCE
4709: }
4710:
4711: my $numchoices = 0;
4712: if (ref($printChoices) eq 'ARRAY') {
4713: $numchoices = @{$printChoices};
4714: }
4715: # Early out if nothing to print
4716: if (!$numchoices) {
4717: $r->print(&Apache::loncommon::start_page('Printing Helper').
4718: '<h2>'.&mt('Unable to determine print context').'</h2>'.
4719: '<p>'.&mt('Please display a resource, and then click the "Print" button/icon').'</p>');
4720: my $prtspool=$r->dir_config('lonPrtDir');
4721: my $footer = &recently_generated($prtspool);
4722: $r->print($footer.&Apache::loncommon::end_page());
4723: return OK;
4724: }
4725:
4726: # Generate the first state, to select which resources get printed.
4727: Apache::lonhelper::state->new("START", "Select Printing Options:");
4728: if (!$res_printable) {
4729: my $noprintmsg;
4730: if ($res_error) {
4731: $noprintmsg = &mt('Print availability for current resource could not be determined');
4732: } else {
4733: my $now = time;
4734: my $shownprintstart = &Apache::lonlocal::locallocaltime($res_printstartdate);
4735: my $shownprintend = &Apache::lonlocal::locallocaltime($res_printenddate);
4736: if (($res_printenddate) && ($res_printenddate < $now)) {
4737: $noprintmsg = &mt('Printing for current resource no longer available (ended: [_1])',
4738: $shownprintend);
4739: } else {
4740: if (($res_printstartdate) && ($res_printstartdate > $now)) {
4741: if (($res_printenddate) && ($res_printenddate > $now) && ($res_printenddate > $res_printstartdate)) {
4742: $noprintmsg = &mt('Printing for current resource is only possible between [_1] and [_2]',
4743: $shownprintstart,$shownprintend);
4744: } elsif (!$res_printenddate) {
4745: $noprintmsg = &mt('Printing for current resource will only be possible starting [_1]',
4746: $shownprintstart);
4747: } else {
4748: $noprintmsg = &mt('Printing for current resource is unavailable');
4749: }
4750: }
4751: }
4752: }
4753:
4754: if ($noprintmsg) {
4755: $paramHash = Apache::lonhelper::getParamHash();
4756: $paramHash->{MESSAGE_TEXT} =
4757: '<p class="LC_info">'.$noprintmsg.'</p>';
4758: Apache::lonhelper::message->new();
4759: }
4760: }
4761: $paramHash = Apache::lonhelper::getParamHash();
4762: $paramHash = Apache::lonhelper::getParamHash();
4763: $paramHash->{MESSAGE_TEXT} = "";
4764: Apache::lonhelper::message->new();
4765: $paramHash = Apache::lonhelper::getParamHash();
4766: $paramHash->{'variable'} = 'PRINT_TYPE';
4767: $paramHash->{CHOICES} = $printChoices;
4768: Apache::lonhelper::choices->new();
4769:
4770: my $startedTable = 0; # have we started an HTML table yet? (need
4771: # to close it later)
4772:
4773: if (($perm{'pav'} and $perm{'vgr'}) or
4774: ($helper->{VARS}->{'construction'} eq '1')) {
4775: &addMessage('<br />'
4776: .'<h3>'.&mt('Print Options').'</h3>'
4777: .&Apache::lonhtmlcommon::start_pick_box()
4778: .&Apache::lonhtmlcommon::row_title(
4779: '<label for="ANSWER_TYPE_forminput">'
4780: .&mt('Print Answers')
4781: .'</label>'
4782: )
4783: );
4784: $paramHash = Apache::lonhelper::getParamHash();
4785: $paramHash->{'variable'} = 'ANSWER_TYPE';
4786: $helper->declareVar('ANSWER_TYPE');
4787: $paramHash->{CHOICES} = [
4788: ['Without Answers', 'yes'],
4789: ['With Answers', 'no'],
4790: ['Only Answers', 'only']
4791: ];
4792: Apache::lonhelper::dropdown->new();
4793: &addMessage(&Apache::lonhtmlcommon::row_closure());
4794: $startedTable = 1;
4795:
4796: #
4797: # Select font size.
4798: #
4799:
4800: $helper->declareVar('fontsize');
4801: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
4802: my $xmlfrag = << "FONT_SELECTION";
4803:
4804:
4805: <dropdown variable='fontsize' multichoice='0', allowempty='0'>
4806: <defaultvalue>
4807: return 'normalsize';
4808: </defaultvalue>
4809: <choice computer='tiny'>Tiny</choice>
4810: <choice computer='sub/superscriptsize'>Script Size</choice>
4811: <choice computer='footnotesize'>Footnote Size</choice>
4812: <choice computer='small'>Small</choice>
4813: <choice computer='normalsize'>Normal (default)</choice>
4814: <choice computer='large'>larger than normal</choice>
4815: <choice computer='Large'>Even larger than normal</choice>
4816: <choice computer='LARGE'>Still larger than normal</choice>
4817: <choice computer='huge'>huge font size</choice>
4818: <choice computer='Huge'>Largest possible size</choice>
4819: </dropdown>
4820: FONT_SELECTION
4821: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4822: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4823: }
4824:
4825: if ($perm{'pav'}) {
4826: if (!$startedTable) {
4827: addMessage("<hr width='33%' /><table><tr><td align='right'>".
4828: '<label for="LATEX_TYPE_forminput">'.
4829: &mt('LaTeX mode').
4830: "</label>: </td><td>");
4831: $startedTable = 1;
4832: } else {
4833: &addMessage(&Apache::lonhtmlcommon::row_title(
4834: '<label for="LATEX_TYPE_forminput">'
4835: .&mt('LaTeX mode')
4836: .'</label>'
4837: )
4838: );
4839: }
4840: $paramHash = Apache::lonhelper::getParamHash();
4841: $paramHash->{'variable'} = 'LATEX_TYPE';
4842: $helper->declareVar('LATEX_TYPE');
4843: if ($helper->{VARS}->{'construction'} eq '1') {
4844: $paramHash->{CHOICES} = [
4845: ['standard LaTeX mode', 'standard'],
4846: ['LaTeX batchmode', 'batchmode'], ];
4847: } else {
4848: $paramHash->{CHOICES} = [
4849: ['LaTeX batchmode', 'batchmode'],
4850: ['standard LaTeX mode', 'standard'] ];
4851: }
4852: Apache::lonhelper::dropdown->new();
4853:
4854: &addMessage(&Apache::lonhtmlcommon::row_closure()
4855: .&Apache::lonhtmlcommon::row_title(
4856: '<label for="TABLE_CONTENTS_forminput">'
4857: .&mt('Print Table of Contents')
4858: .'</label>'
4859: )
4860: );
4861: $paramHash = Apache::lonhelper::getParamHash();
4862: $paramHash->{'variable'} = 'TABLE_CONTENTS';
4863: $helper->declareVar('TABLE_CONTENTS');
4864: $paramHash->{CHOICES} = [
4865: ['No', 'no'],
4866: ['Yes', 'yes'] ];
4867: Apache::lonhelper::dropdown->new();
4868: &addMessage(&Apache::lonhtmlcommon::row_closure());
4869:
4870: if (not $helper->{VARS}->{'construction'}) {
4871: &addMessage(&Apache::lonhtmlcommon::row_title(
4872: '<label for="TABLE_INDEX_forminput">'
4873: .&mt('Print Index')
4874: .'</label>'
4875: )
4876: );
4877: $paramHash = Apache::lonhelper::getParamHash();
4878: $paramHash->{'variable'} = 'TABLE_INDEX';
4879: $helper->declareVar('TABLE_INDEX');
4880: $paramHash->{CHOICES} = [
4881: ['No', 'no'],
4882: ['Yes', 'yes'] ];
4883: Apache::lonhelper::dropdown->new();
4884: &addMessage(&Apache::lonhtmlcommon::row_closure());
4885: &addMessage(&Apache::lonhtmlcommon::row_title(
4886: '<label for="PRINT_DISCUSSIONS_forminput">'
4887: .&mt('Print Discussions')
4888: .'</label>'
4889: )
4890: );
4891: $paramHash = Apache::lonhelper::getParamHash();
4892: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
4893: $helper->declareVar('PRINT_DISCUSSIONS');
4894: $paramHash->{CHOICES} = [
4895: ['No', 'no'],
4896: ['Yes', 'yes'] ];
4897: Apache::lonhelper::dropdown->new();
4898: &addMessage(&Apache::lonhtmlcommon::row_closure());
4899:
4900: # Prompt for printing annotations too.
4901:
4902: &addMessage(&Apache::lonhtmlcommon::row_title(
4903: '<label for="PRINT_ANNOTATIONS_forminput">'
4904: .&mt('Print Annotations')
4905: .'</label>'
4906: )
4907: );
4908: $paramHash = Apache::lonhelper::getParamHash();
4909: $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
4910: $helper->declareVar("PRINT_ANNOTATIONS");
4911: $paramHash->{CHOICES} = [
4912: ['No', 'no'],
4913: ['Yes', 'yes']];
4914: Apache::lonhelper::dropdown->new();
4915: &addMessage(&Apache::lonhtmlcommon::row_closure());
4916:
4917: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
4918: $paramHash = Apache::lonhelper::getParamHash();
4919: $paramHash->{'multichoice'} = "true";
4920: $paramHash->{'allowempty'} = "true";
4921: $paramHash->{'variable'} = "showallfoils";
4922: $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
4923: Apache::lonhelper::choices->new();
4924: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4925: }
4926:
4927: if ($helper->{'VARS'}->{'construction'}) {
4928: my $stylevalue='$Apache::lonnet::env{"construct.style"}';
4929: my $randseedtext=&mt("Use random seed");
4930: my $stylefiletext=&mt("Use style file");
4931: my $selectfiletext=&mt("Select style file");
4932:
4933: my $xmlfrag .= '<message>'
4934: .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
4935: .$randseedtext
4936: .'</label>'
4937: )
4938: .'</message>
4939: <string variable="curseed" size="15" maxlength="15">
4940: <defaultvalue>
4941: return '.$helper->{VARS}->{'curseed'}.';
4942: </defaultvalue>'
4943: .'</string>'
4944: .'<message>'
4945: .&Apache::lonhtmlcommon::row_closure()
4946: .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
4947: .$stylefiletext
4948: .'</label>'
4949: )
4950: .'</message>
4951: <string variable="style_file" size="40">
4952: <defaultvalue>
4953: return '.$stylevalue.';
4954: </defaultvalue>
4955: </string><message> '
4956: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
4957: .$selectfiletext.'</a>'
4958: .&Apache::lonhtmlcommon::row_closure()
4959: .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
4960: .'</message>
4961: <choices allowempty="1" multichoice="true" variable="showallfoils">
4962: <choice computer="1"> </choice>
4963: </choices>'
4964: .'<message>'
4965: .&Apache::lonhtmlcommon::row_closure()
4966: .'</message>';
4967: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4968:
4969:
4970: &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
4971: #
4972: # Initial value from construction space:
4973: #
4974: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
4975: $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value
4976: }
4977: $xmlfrag = << "PROBTYPE";
4978: <dropdown variable="probstatus" multichoice="0" allowempty="0">
4979: <defaultvalue>
4980: return "$helper->{VARS}->{'probstatus'}";
4981: </defaultvalue>
4982: <choice computer="problem">Homework Problem</choice>
4983: <choice computer="exam">Bubblesheet Exam Problem</choice>
4984: <choice computer="survey">Survey question</choice>
4985: ,choice computer="anonsurvey"Anonymous survey question</choice>
4986: </dropdown>
4987: PROBTYPE
4988: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
4989: &addMessage(&Apache::lonhtmlcommon::row_closure(1));
4990:
4991:
4992:
4993: }
4994: }
4995:
4996:
4997:
4998:
4999: if ($startedTable) {
5000: &addMessage(&Apache::lonhtmlcommon::end_pick_box());
5001: }
5002:
5003: Apache::lonprintout::page_format_state->new("FORMAT");
5004:
5005: # Generate the PAGESIZE state which will offer the user the margin
5006: # choices if they select one column
5007: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
5008: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
5009:
5010:
5011: $helper->process();
5012:
5013:
5014: # MANUAL BAILOUT CONDITION:
5015: # If we're in the "final" state, bailout and return to handler
5016: if ($helper->{STATE} eq 'FINAL') {
5017: return $helper;
5018: }
5019:
5020: my $footer;
5021: if ($helper->{STATE} eq 'START') {
5022: my $prtspool=$r->dir_config('lonPrtDir');
5023: $footer = &recently_generated($prtspool);
5024: }
5025: $r->print($helper->display($footer));
5026: &Apache::lonhelper::unregisterHelperTags();
5027:
5028: return OK;
5029: }
5030:
5031:
5032: 1;
5033:
5034: package Apache::lonprintout::page_format_state;
5035:
5036: =pod
5037:
5038: =head1 Helper element: page_format_state
5039:
5040: See lonhelper.pm documentation for discussion of the helper framework.
5041:
5042: Apache::lonprintout::page_format_state is an element that gives the
5043: user an opportunity to select the page layout they wish to print
5044: with: Number of columns, portrait/landscape, and paper size. If you
5045: want to change the paper size choices, change the @paperSize array
5046: contents in this package.
5047:
5048: page_format_state is always directly invoked in lonprintout.pm, so there
5049: is no tag interface. You actually pass parameters to the constructor.
5050:
5051: =over 4
5052:
5053: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
5054:
5055: =back
5056:
5057: =cut
5058:
5059: use Apache::lonhelper;
5060:
5061: no strict;
5062: @ISA = ("Apache::lonhelper::element");
5063: use strict;
5064: use Apache::lonlocal;
5065: use Apache::lonnet;
5066:
5067: my $maxColumns = 2;
5068: # it'd be nice if these all worked
5069: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
5070: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
5071: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
5072: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
5073: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
5074: "a4 [210x297 mm]");
5075:
5076: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
5077: # Paper type
5078:
5079: sub new {
5080: my $self = Apache::lonhelper::element->new();
5081:
5082: shift;
5083:
5084: $self->{'variable'} = shift;
5085: my $helper = Apache::lonhelper::getHelper();
5086: $helper->declareVar($self->{'variable'});
5087: bless($self);
5088: return $self;
5089: }
5090:
5091: sub render {
5092: my $self = shift;
5093: my $helper = Apache::lonhelper::getHelper();
5094: my $result = '';
5095: my $var = $self->{'variable'};
5096: my $PageLayout=&mt('Page layout');
5097: my $NumberOfColumns=&mt('Number of columns');
5098: my $PaperType=&mt('Paper type');
5099: my $landscape=&mt('Landscape');
5100: my $portrait=&mt('Portrait');
5101: my $pdfFormLabel=&mt('PDF Form Fields');
5102: my $with=&mt('with Form Fields');
5103: my $without=&mt('without Form Fields');
5104:
5105:
5106: $result.='<h3>'.&mt('Layout Options').'</h3>'
5107: .&Apache::loncommon::start_data_table()
5108: .&Apache::loncommon::start_data_table_header_row()
5109: .'<th>'.$PageLayout.'</th>'
5110: .'<th>'.$NumberOfColumns.'</th>'
5111: .'<th>'.$PaperType.'</th>'
5112: .'<th>'.$pdfFormLabel.'</th>'
5113: .&Apache::loncommon::end_data_table_header_row()
5114: .&Apache::loncommon::start_data_table_row()
5115: .'<td>'
5116: .'<label><input type="radio" name="'.${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: $result .= <<HTML;
5151: </select>
5152: </td>
5153: <td align='center'>
5154: <select name='${var}.pdfFormFields'>
5155: <option selected="selected" value="no">$without</option>
5156: <option value="yes">$with</option>
5157: </select>
5158: </td>
5159: HTML
5160: $result.=&Apache::loncommon::end_data_table_row()
5161: .&Apache::loncommon::end_data_table();
5162:
5163: return $result;
5164: }
5165:
5166: sub postprocess {
5167: my $self = shift;
5168:
5169: my $var = $self->{'variable'};
5170: my $helper = Apache::lonhelper->getHelper();
5171: $helper->{VARS}->{$var} =
5172: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
5173: $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
5174: return 1;
5175: }
5176:
5177: 1;
5178:
5179: package Apache::lonprintout::page_size_state;
5180:
5181: =pod
5182:
5183: =head1 Helper element: page_size_state
5184:
5185: See lonhelper.pm documentation for discussion of the helper framework.
5186:
5187: Apache::lonprintout::page_size_state is an element that gives the
5188: user the opportunity to further refine the page settings if they
5189: select a single-column page.
5190:
5191: page_size_state is always directly invoked in lonprintout.pm, so there
5192: is no tag interface. You actually pass parameters to the constructor.
5193:
5194: =over 4
5195:
5196: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
5197:
5198: =back
5199:
5200: =cut
5201:
5202: use Apache::lonhelper;
5203: use Apache::lonnet;
5204: no strict;
5205: @ISA = ("Apache::lonhelper::element");
5206: use strict;
5207:
5208:
5209:
5210: sub new {
5211: my $self = Apache::lonhelper::element->new();
5212:
5213: shift; # disturbs me (probably prevents subclassing) but works (drops
5214: # package descriptor)... - Jeremy
5215:
5216: $self->{'variable'} = shift;
5217: my $helper = Apache::lonhelper::getHelper();
5218: $helper->declareVar($self->{'variable'});
5219:
5220: # The variable name of the format element, so we can look into
5221: # $helper->{VARS} to figure out whether the columns are one or two
5222: $self->{'formatvar'} = shift;
5223:
5224:
5225: $self->{NEXTSTATE} = shift;
5226: bless($self);
5227:
5228: return $self;
5229: }
5230:
5231: sub render {
5232: my $self = shift;
5233: my $helper = Apache::lonhelper::getHelper();
5234: my $result = '';
5235: my $var = $self->{'variable'};
5236:
5237:
5238:
5239: if (defined $self->{ERROR_MSG}) {
5240: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
5241: }
5242:
5243: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5244:
5245: # Use format to get sensible defaults for the margins:
5246:
5247:
5248: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5249: ($papersize) = split(/ /, $papersize);
5250:
5251: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5252:
5253:
5254:
5255: my %size;
5256: ($size{'width_and_units'},
5257: $size{'height_and_units'},
5258: $size{'margin_and_units'})=
5259: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5260:
5261: foreach my $dimension ('width','height','margin') {
5262: ($size{$dimension},$size{$dimension.'_unit'}) =
5263: split(/ +/, $size{$dimension.'_and_units'},2);
5264:
5265: foreach my $unit ('cm','in') {
5266: $size{$dimension.'_options'} .= '<option ';
5267: if ($size{$dimension.'_unit'} eq $unit) {
5268: $size{$dimension.'_options'} .= 'selected="selected" ';
5269: }
5270: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
5271: }
5272: }
5273:
5274: # Adjust margin for LaTeX margin: .. requires units == cm or in.
5275:
5276: if ($size{'margin_unit'} eq 'in') {
5277: $size{'margin'} += 1;
5278: } else {
5279: $size{'margin'} += 2.54;
5280: }
5281: my %lt = &Apache::lonlocal::texthash(
5282: 'format' => 'How should each column be formatted?',
5283: 'width' => 'Width',
5284: 'height' => 'Height',
5285: 'margin' => 'Left Margin'
5286: );
5287:
5288: $result .= '<p>'.$lt{'format'}.'</p>'
5289: .&Apache::lonhtmlcommon::start_pick_box()
5290: .&Apache::lonhtmlcommon::row_title($lt{'width'})
5291: .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
5292: .'<select name="'.$var.'.widthunit">'
5293: .$size{'width_options'}
5294: .'</select>'
5295: .&Apache::lonhtmlcommon::row_closure()
5296: .&Apache::lonhtmlcommon::row_title($lt{'height'})
5297: .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
5298: .'<select name="'.$var.'.heightunit">'
5299: .$size{'height_options'}
5300: .'</select>'
5301: .&Apache::lonhtmlcommon::row_closure()
5302: .&Apache::lonhtmlcommon::row_title($lt{'margin'})
5303: .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
5304: .'<select name="'.$var.'.lmarginunit">'
5305: .$size{'margin_options'}
5306: .'</select>'
5307: .&Apache::lonhtmlcommon::row_closure(1)
5308: .&Apache::lonhtmlcommon::end_pick_box();
5309: # <p>Hint: Some instructors like to leave scratch space for the student by
5310: # making the width much smaller than the width of the page.</p>
5311:
5312: return $result;
5313: }
5314:
5315:
5316: sub preprocess {
5317: my $self = shift;
5318: my $helper = Apache::lonhelper::getHelper();
5319:
5320: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5321:
5322: # If the user does not have 'pav' privilege, set default widths and
5323: # on to the next state right away.
5324: #
5325: if (!$perm{'pav'}) {
5326: my $var = $self->{'variable'};
5327: my $format = $helper->{VARS}->{$self->{'formatvar'}};
5328:
5329: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
5330: ($papersize) = split(/ /, $papersize);
5331:
5332:
5333: $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
5334:
5335: # Figure out some good defaults for the print out and set them:
5336:
5337: my %size;
5338: ($size{'width'},
5339: $size{'height'},
5340: $size{'lmargin'})=
5341: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
5342:
5343: foreach my $dim ('width', 'height', 'lmargin') {
5344: my ($value, $units) = split(/ /, $size{$dim});
5345:
5346: $helper->{VARS}->{"$var.".$dim} = $value;
5347: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
5348:
5349: }
5350:
5351:
5352: # Transition to the next state
5353:
5354: $helper->changeState($self->{NEXTSTATE});
5355: }
5356:
5357: return 1;
5358: }
5359:
5360: sub postprocess {
5361: my $self = shift;
5362:
5363: my $var = $self->{'variable'};
5364: my $helper = Apache::lonhelper->getHelper();
5365: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
5366: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
5367: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
5368: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
5369: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
5370: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
5371:
5372: my $error = '';
5373:
5374: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
5375: # by an optional period, followed by digits, ending the string
5376:
5377: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5378: $error .= "Invalid width; please type only a number.<br />\n";
5379: }
5380: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5381: $error .= "Invalid height; please type only a number.<br />\n";
5382: }
5383: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
5384: $error .= "Invalid left margin; please type only a number.<br />\n";
5385: } else {
5386: # Adjust for LaTeX 1.0 inch margin:
5387:
5388: if ($env{"form.${var}.lmarginunit"} eq "in") {
5389: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
5390: } else {
5391: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
5392: }
5393: }
5394:
5395: if (!$error) {
5396: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
5397: return 1;
5398: } else {
5399: $self->{ERROR_MSG} = $error;
5400: return 0;
5401: }
5402: }
5403:
5404: __END__
5405:
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