Annotation of loncom/homework/structuretags.pm, revision 1.512.2.24.2.15
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.512.2.24.2. 5(raebur 4:4): # $Id: structuretags.pm,v 1.512.2.24.2.14 2024/03/01 17:05:45 raeburn Exp $
1.74 albertel 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: #
26: # http://www.lon-capa.org/
27: #
1.254 www 28: ###
1.54 www 29:
1.435 jms 30: =pod
31:
32: =head1 NAME
33:
34: Apache::structuretags
35:
36: =head1 SYNOPSIS
37:
38:
39: This is part of the LearningOnline Network with CAPA project
40: described at http://www.lon-capa.org.
41:
42:
43: =head1 NOTABLE SUBROUTINES
44:
45: =over
46:
47: =item
48:
49: =back
50:
51: =cut
52:
1.133 sakharuk 53:
1.1 albertel 54: package Apache::structuretags;
55:
56: use strict;
57: use Apache::lonnet;
1.101 sakharuk 58: use Apache::File();
1.147 www 59: use Apache::lonmenu;
1.210 albertel 60: use Apache::lonlocal;
1.231 sakharuk 61: use Apache::lonxml;
1.434 foxr 62: use Apache::londefdef;
1.338 albertel 63: use Apache::lonenc();
1.500 foxr 64: use Apache::loncommon();
1.512.2.24.2. (raeburn 65:): use Apache::lonnavmaps;
1.267 albertel 66: use Time::HiRes qw( gettimeofday tv_interval );
1.512.2.24 raeburn 67: use HTML::Entities();
1.356 www 68: use lib '/home/httpd/lib/perl/';
69: use LONCAPA;
70:
1.78 harris41 71: BEGIN {
1.512.2.24.2. 5(raebur 72:4): &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','print','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startpartmarker','startouttext','endpartmarker','endouttext','simpleeditbutton','definetag'));
1.10 albertel 73: }
74:
1.500 foxr 75:
76: #---------------------------------------------------------------------------------
77: #
78: # This section of code deals with hyphenation management.
79: # We must do three things:
80: # - keep track fo the desired languages to alter the header.
81: # - provide hyphenation selection as needed by each language that appears in the
82: # text.
83: # - Provide the header text needed to make available the desired hyphenations.
84: #
85: #
86:
87: # Hash whose keys are the languages encountered in the document/resource.
88: #
89:
90: my %languages_required;
91: ##
92: # Given a language selection as input returns a chunk of LaTeX that
93: # selects the required hyphenator.
94: #
95: # @param language - the language being selected.
96: # @return string
97: # @retval The LaTeX needed to select the hyphenation appropriate to the language.
98: #
99: sub select_hyphenation {
100: my $language = shift;
101:
102: $language = &Apache::loncommon::latexlanguage($language); # Translate -> latex language.
103:
104: # If there is no latex language there's not much we can do:
105:
106: if ($language) {
107: &require_language($language);
108: my $babel_hyphenation = "\\selectlanguage{$language}";
109:
110: return $babel_hyphenation;
111: } else {
112: return '';
113: }
114: }
115: ##
116: # Selects hyphenation based on the current problem metadata.
117: # This requires that
118: # - There is a language metadata item set for the problem.
119: # - The language has a latex/babel hyphenation.
120: #
121: # @note: Uses &Apache::lonxml::request to locate the Uri associated with
122: # this problem.
123: # @return string (possibly empty).
124: # @retval If not empty an appropriate \selectlanguage{} directive.
125: #
126: sub select_metadata_hyphenation {
127: my $uri = $Apache::lonxml::request->uri;
128: my $language = &Apache::lonnet::metadata($uri, 'language');
129: my $latex_language = &Apache::loncommon::latexhyphenation($language);
130: if ($latex_language) {
131: return '\selectlanguage{'.$latex_language."}\n";
132: }
133: return ''; # no latex hyphenation or no lang metadata.
134: }
135:
136:
137: ##
138: # Clears the set of languages required by the document being rendered.
139: #
140: sub clear_required_languages {
141: %languages_required = ();
142: }
143: ##
144: # Allows an external client of this module to register a need for a language:
145: #
146: # @param LaTeX language required:
147: #
148: sub require_language {
149: my $language = shift;
150: $languages_required{$language} = 1;
151: }
152:
153: ##
154: # Provides the header for babel that indicates the languages
155: # the document requires.
156: # @return string
157: # @retval \usepackage[lang1,lang2...]{babel}
158: # @retval '' if there are no languages_required.
159: sub languages_header {
160: my $header ='';
161: my @languages = (keys(%languages_required));
162:
163: # Only generate the header if there are languages:
164:
165: if (scalar @languages) {
166: my $language_list = join(',', (@languages));
167: $header = '\usepackage['.$language_list."]{babel}\n";
168: }
169: return $header;
170: }
171:
172: #----------------------------------------------------------------------------------
173:
1.10 albertel 174: sub start_web {
1.326 albertel 175: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.383 albertel 176: if ($target ne 'edit' && $target ne 'modified') {
177: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
178: if ($target eq 'web' || $target eq 'webgrade') {
179: return $bodytext;
180: }
181: } elsif ($target eq "edit" ) {
182: my $bodytext =
183: &Apache::lonxml::get_all_text_unbalanced("/web",$parser);
184: my $result = &Apache::edit::tag_start($target,$token);
185: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
186: return $result;
187: } elsif ( $target eq "modified" ) {
188: return $token->[4].&Apache::edit::modifiedfield("/web",$parser);
1.159 albertel 189: }
190: return '';
1.10 albertel 191: }
192:
193: sub end_web {
1.44 ng 194: return '';
1.10 albertel 195: }
196:
1.512.2.24.2. 5(raebur 197:4): sub start_print {
198:4): my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
199:4): if ($target ne 'edit' && $target ne 'modified') {
200:4): if ($target ne 'tex') {
201:4): my $skip = &Apache::lonxml::get_all_text("/print",$parser,$style);
202:4): &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
203:4): }
204:4): } elsif ($target eq "edit") {
205:4): my $bodytext = &Apache::lonxml::get_all_text_unbalanced("/print",$parser);
206:4): my $result = &Apache::edit::tag_start($target,$token);
207:4): $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
208:4): return $result;
209:4): } elsif ($target eq "modified") {
210:4): return $token->[4].&Apache::edit::modifiedfield("/print",$parser);
211:4): }
212:4): return '';
213:4): }
214:4):
215:4): sub end_print {
216:4): return '';
217:4): }
218:4):
1.10 albertel 219: sub start_tex {
1.326 albertel 220: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.198 sakharuk 221: my $result='';
1.383 albertel 222: if ($target ne 'edit' && $target ne 'modified') {
223: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
224: if ($target eq 'tex') {
1.434 foxr 225:
226: # If inside a table, occurrences of \\ must be removed;
227: # else the table blows up.
228:
229: if (&Apache::londefdef::is_inside_of($tagstack, "table")) {
230: $bodytext =~ s/\\\\//g;
231: }
1.432 foxr 232: return $bodytext.'{}';
1.383 albertel 233: }
234: } elsif ($target eq "edit" ) {
235: my $bodytext =
236: &Apache::lonxml::get_all_text_unbalanced("/tex",$parser);
237: my $result = &Apache::edit::tag_start($target,$token);
238: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
239: return $result;
240: } elsif ( $target eq "modified" ) {
241: return $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
1.159 albertel 242: }
1.198 sakharuk 243: return $result;;
1.10 albertel 244: }
245:
246: sub end_tex {
1.44 ng 247: return '';
1.9 albertel 248: }
249:
1.400 albertel 250: sub homework_js {
1.512.2.9 raeburn 251: my ($postsubmit,$timeout);
252: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
253: my $crstype;
254: if (&Apache::loncommon::course_type() eq 'Community') {
255: $crstype = 'community';
256: } else {
257: if ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) {
258: $crstype = 'official';
259: } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.textbook'}) {
260: $crstype = 'textbook';
261: } else {
262: $crstype = 'unofficial';
263: }
264: }
265: $postsubmit = $env{'course.'.$env{'request.course.id'}.'.internal.postsubmit'};
266: if ($postsubmit eq '') {
267: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
268: $postsubmit = $domdefs{'postsubmit'};
269: unless ($postsubmit eq 'off') {
270: $timeout = $domdefs{$crstype.'postsubtimeout'};
271: }
272: } elsif ($postsubmit eq '0') {
273: $postsubmit = 'off';
274: } elsif ($postsubmit eq '1') {
275: $postsubmit = 'on';
276: $timeout = $env{'course.'.$env{'request.course.id'}.'.internal.postsubtimeout'};
277: if ($timeout eq '') {
278: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
279: $timeout = $domdefs{$crstype.'postsubtimeout'};
280: }
281: }
282: if ($timeout eq '') {
283: $timeout = 60;
284: }
285: } else {
286: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'request.role.domain'});
287: $postsubmit = $domdefs{'postsubmit'};
288: unless ($postsubmit eq 'off') {
289: $timeout = 60;
290: }
291: }
292: my $jstimeout = 0;
293: if ($timeout) {
294: $jstimeout = 1000 * $timeout;
295: }
1.400 albertel 296: return &Apache::loncommon::resize_textarea_js().
1.512.2.11 raeburn 297: &Apache::loncommon::colorfuleditor_js().
1.512.2.24.2. (raeburn 298:): &Apache::lonxml::setmode_javascript().
1.512.2.9 raeburn 299: <<"JS";
1.400 albertel 300: <script type="text/javascript">
1.483 raeburn 301: // <![CDATA[
1.494 raeburn 302: function setSubmittedPart (part,prefix) {
303: if (typeof(prefix) == 'undefined') {
304: this.document.lonhomework.submitted.value="part_"+part;
305: } else {
306: for (var i=0;i<this.document.lonhomework.elements.length;i++) {
307: if (this.document.lonhomework.elements[i].name == prefix+'submitted') {
308: this.document.lonhomework.elements[i].value="part_"+part;
309: }
310: }
311: }
1.400 albertel 312: }
313:
1.512.2.9 raeburn 314: function disableAutoComplete (id) {
315: var field = document.getElementById(id);
316: if (field != null && field != undefined){
317: if ('autocomplete' in field) {
318: field.autocomplete = "off";
319: } else {
320: field.setAttribute("autocomplete", "off");
321: }
322: }
323: }
324:
1.400 albertel 325: function image_response_click (which, e) {
326: init_geometry();
327: if (!e) { e = window.event; } //IE
328: var input_element = document.lonhomework.elements[which];
1.401 albertel 329: var token_element = document.lonhomework.elements[which+'_token'];
1.400 albertel 330: var token = token_element.value;
1.401 albertel 331: var img_element = document.getElementById(which+'_imageresponse');
1.400 albertel 332: var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
333: var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
334: var click = x+':'+y;
335: input_element.value = click;
1.485 raeburn 336: img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
1.400 albertel 337: }
1.512.2.9 raeburn 338:
339: var submithandled = 0;
340: var keypresshandled = 0;
341: var postsubmit = '$postsubmit';
342:
343: \$(document).ready(function(){
344: if (postsubmit != 'off') {
345: \$(document).keypress(function(event){
346: var keycode = (event.keyCode ? event.keyCode : event.which);
347: if ((keycode == '13') && (keypresshandled == 0)) {
348: if ( \$( document.activeElement ).hasClass("LC_textline") ) {
349: keypresshandled = 1;
350: var idsArray = \$( document.activeElement ).attr("id").split(/HWVAL_/);
351: if (idsArray.length) {
352: event.preventDefault();
353: var itemsArray = idsArray[1].split(/_/);
354: var buttonId = idsArray[0]+'submit_'+itemsArray[0];
355: \$("#"+buttonId).trigger("click");
356: }
357: }
358: }
359: });
360:
361: \$(document).delegate('form :submit', 'click', function( event ) {
362: if ( \$( this ).hasClass( "LC_hwk_submit" ) ) {
363: var buttonId = this.id;
364: var timeout = $jstimeout;
365: if (submithandled == 0) {
366: submithandled = 1;
367: \$( "#msg_"+buttonId ).css({"display": "inline","background-color": "#87cefa",
368: "color": "black","padding": "2px"}) ;
1.512.2.18 raeburn 369: if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
1.512.2.9 raeburn 370: if (buttonId != "all_submit") {
371: \$( ".LC_status_"+buttonId ).hide();
1.512.2.18 raeburn 372: }
373: if (( "#"+buttonId+"_pressed" ).length) {
374: \$( "#"+buttonId+"_pressed" ).val( "1" );
1.512.2.9 raeburn 375: }
376: } else {
377: \$( ".LC_status_"+buttonId ).hide();
378: }
379: \$(this.form).submit();
380: \$( ".LC_hwk_submit" ).prop( "disabled", true);
381: \$( ".LC_textline" ).prop( "readonly", "readonly");
382: event.preventDefault();
383:
384: if (timeout > 0) {
385: setTimeout(function(){
386: \$( "#msg_"+buttonId ).css({"display": "none"});
1.512.2.18 raeburn 387: if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
388: if (( "#"+buttonId+"_pressed" ).length) {
389: \$( "#"+buttonId+"_pressed" ).val( "" );
1.512.2.9 raeburn 390: }
391: }
392: \$( ".LC_hwk_submit" ).prop( "disabled", false);
393: \$( ".LC_textline" ).prop( "readonly", false);
394: submithandled = 0;
395: keypresshandled = 0;
396: }, timeout);
397: }
398: return true;
399: }
400: }
401: });
402: }
403: });
404:
1.483 raeburn 405: // ]]>
1.400 albertel 406: </script>
407: JS
408: }
409:
1.48 albertel 410: sub page_start {
1.345 albertel 411: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
412: $extra_head)=@_;
1.159 albertel 413: my %found;
1.207 albertel 414: foreach my $taginside (@$tagstack) {
1.159 albertel 415: foreach my $taglookedfor ('html','body','form') {
416: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
417: }
418: }
419:
1.343 albertel 420: if ($target eq 'tex') {
421: return
422: &Apache::londefdef::start_html($target,$token,$tagstack,
423: $parstack,$parser,$safeeval);
424: }
425:
1.474 raeburn 426: $extra_head .= &homework_js().
427: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
428: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1.512.2.12 raeburn 429: my %textarea_args;
430: if (($env{'request.state'} ne 'construct') ||
1.512.2.24.2. 3(raebur 431:4): (&Apache::loncommon::nocodemirror())) {
1.512.2.12 raeburn 432: %textarea_args = (
1.474 raeburn 433: dragmath => 'math',
434: );
1.512.2.12 raeburn 435: }
1.474 raeburn 436: $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
1.425 raeburn 437: }
1.478 raeburn 438: my $is_task = ($env{'request.uri'} =~ /\.task$/);
1.512.2.9 raeburn 439: my ($needs_upload,$partlist);
1.495 raeburn 440: my ($symb)= &Apache::lonnet::whichuser();
441: my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
1.478 raeburn 442: if ($is_task) {
1.495 raeburn 443: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
1.493 raeburn 444: } else {
445: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.uploadedfiletypes") ne '') {
1.495 raeburn 446: unless ($env{'request.state'} eq 'construct') {
447: my $navmap = Apache::lonnavmaps::navmap->new();
448: if (ref($navmap)) {
449: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 450: my $is_page;
451: if (ref($mapres)) {
452: $is_page = $mapres->is_page();
453: }
454: unless ($is_page) {
1.495 raeburn 455: $needs_upload = 1;
456: }
1.512.2.9 raeburn 457: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
458: my $res = $navmap->getBySymb($symb);
459: if (ref($res)) {
460: $partlist = $res->parts();
461: }
462: }
1.495 raeburn 463: }
464: }
1.493 raeburn 465: } else {
466: unless ($env{'request.state'} eq 'construct') {
467: my $navmap = Apache::lonnavmaps::navmap->new();
468: if (ref($navmap)) {
1.495 raeburn 469: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 470: my $is_page;
471: if (ref($mapres)) {
472: $is_page = $mapres->is_page();
473: }
1.512.2.9 raeburn 474: if ($is_page) {
475: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
476: my $res = $navmap->getBySymb($symb);
477: if (ref($res)) {
478: $partlist = $res->parts();
479: }
480: }
481: } else {
1.495 raeburn 482: my $res = $navmap->getBySymb($symb);
483: if (ref($res)) {
1.512.2.9 raeburn 484: $partlist = $res->parts();
1.495 raeburn 485: if (ref($partlist) eq 'ARRAY') {
486: foreach my $part (@{$partlist}) {
487: my @types = $res->responseType($part);
488: my @ids = $res->responseIds($part);
489: for (my $i=0; $i < scalar(@ids); $i++) {
490: if ($types[$i] eq 'essay') {
491: my $partid = $part.'_'.$ids[$i];
492: if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
493: $needs_upload = 1;
494: last;
495: }
1.493 raeburn 496: }
497: }
498: }
1.495 raeburn 499: }
500: }
1.493 raeburn 501: }
502: }
503: }
504: }
1.495 raeburn 505: if ($needs_upload) {
1.512.2.17 raeburn 506: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js().
507: '<script type="text/javascript" '.
508: 'src="/res/adm/includes/file_upload.js"></script>';
1.495 raeburn 509: }
1.478 raeburn 510: }
1.425 raeburn 511:
1.344 albertel 512: my %body_args;
513: if (defined($found{'html'})) {
514: $body_args{'skip_phases'}{'head'}=1;
515: } else {
1.343 albertel 516:
1.345 albertel 517: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 518:
1.379 albertel 519: $extra_head .= &Apache::londefdef::generate_css_links();
520:
1.384 albertel 521: if ($env{'request.state'} eq 'construct') {
1.343 albertel 522: $extra_head.=&Apache::edit::js_change_detection().
523: "<script type=\"text/javascript\">\n".
524: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
525: &Apache::loncommon::browser_and_searcher_javascript().
526: "\n</script>\n";
1.512.2.9 raeburn 527: if ($target eq 'edit') {
528: $extra_head .= &Apache::edit::js_update_linknum();
529: }
1.343 albertel 530: }
1.159 albertel 531: }
1.343 albertel 532:
1.446 bisitz 533: my $pageheader = '';
1.344 albertel 534: if (defined($found{'body'})) {
535: $body_args{'skip_phases'}{'body'}=1;
536: } elsif (!defined($found{'body'})
537: && $env{'request.state'} eq 'construct') {
1.343 albertel 538: if ($target eq 'web' || $target eq 'edit') {
1.512.2.24.2. 4(raebur 539:4): unless ($env{'form.inhibitmenu'} eq 'yes') {
540:4): # Breadcrumbs for Authoring Space
541:4): &Apache::lonhtmlcommon::clear_breadcrumbs();
542:4): &Apache::lonhtmlcommon::add_breadcrumb({
543:4): 'text' => 'Authoring Space',
544:4): 'href' => &Apache::loncommon::authorspace($env{'request.uri'}),
545:4): });
546:4): # breadcrumbs (and tools) will be created
547:4): # in start_page->bodytag->innerregister
1.460 droeschl 548:
1.450 bisitz 549: # FIXME Where are we?
1.512.2.24.2. 4(raebur 550:4): # &Apache::lonhtmlcommon::add_breadcrumb({
551:4): # 'text' => 'Problem Editing', # 'Problem Testing'
552:4): # 'href' => '',
553:4): # });
554:4): $pageheader = &Apache::loncommon::head_subbox(
555:4): &Apache::loncommon::CSTR_pageheader());
556:4): }
557:4): }
1.272 albertel 558: } elsif (!defined($found{'body'})) {
1.343 albertel 559: my %add_entries;
1.159 albertel 560: my $background=&Apache::lonxml::get_param('background',$parstack,
561: $safeeval);
1.343 albertel 562: if ($background ne '' ) {
563: $add_entries{'background'} = $background;
564: }
1.344 albertel 565:
1.290 albertel 566: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
567: $safeeval);
1.446 bisitz 568: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
1.344 albertel 569:
1.446 bisitz 570: $body_args{'bgcolor'} = $bgcolor;
571: # $body_args{'no_title'} = 1;
572: $body_args{'force_register'} = 1;
573: $body_args{'add_entries'} = \%add_entries;
1.466 droeschl 574: if ( $env{'request.state'} eq 'construct') {
1.446 bisitz 575: $body_args{'only_body'} = 1;
1.512.2.7 raeburn 576: } elsif ($target eq 'web') {
577: $body_args{'print_suppress'} = 1;
1.446 bisitz 578: }
1.344 albertel 579: }
1.365 albertel 580: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 581: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
582: \%body_args);
1.446 bisitz 583: $page_start .= $pageheader;
1.462 raeburn 584: if (!defined($found{'body'})
585: && $env{'request.state'} ne 'construct'
586: && ($target eq 'web' || $target eq 'webgrade')) {
587:
588: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
589: if ($symb eq '' && !$publicuser) {
590: $page_start .= '<p class="LC_info">'
591: .&mt('Browsing resource, all submissions are temporary.')
592: .'</p>';
1.457 bisitz 593: }
1.344 albertel 594: }
595:
1.409 albertel 596: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 597: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 598: }
599: my $form_tag_start;
600: if (!defined($found{'form'})) {
1.337 albertel 601: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.465 raeburn 602: my $uri = &Apache::loncommon::inhibit_menu_check(
1.455 droeschl 603: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.464 raeburn 604: $uri = &HTML::Entities::encode($uri,'<>&"');
1.327 albertel 605: $form_tag_start.=$uri.'" ';
606: if ($target eq 'edit') {
607: $form_tag_start.=&Apache::edit::form_change_detection();
608: }
1.493 raeburn 609: my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
610: my ($path,$multiresp) =
611: &Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom);
1.512.2.24.2. (raeburn 612:): if ($env{'request.user_in_effect'}) {
613:): $form_tag_start .= ' onsubmit="preventDefault();"';
614:): } elsif (($is_task) || ($needs_upload)) {
1.495 raeburn 615: $form_tag_start .= ' onsubmit="return file_submission_check(this,'."'$path','$multiresp'".');"';
1.478 raeburn 616: }
1.368 albertel 617: $form_tag_start.='>'."\n";
1.355 albertel 618:
619: if ($symb =~ /\S/) {
620: $symb=
621: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
622: $form_tag_start.=
1.368 albertel 623: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 624: }
1.159 albertel 625: }
1.512.2.9 raeburn 626: return ($page_start,$form_tag_start,$partlist);
1.105 albertel 627: }
628:
1.141 matthew 629: #use Time::HiRes();
1.105 albertel 630: sub get_resource_name {
1.159 albertel 631: my ($parstack,$safeeval)=@_;
1.388 foxr 632: my $name;
1.204 albertel 633: if (defined($Apache::lonhomework::name)) {
1.388 foxr 634: $name = $Apache::lonhomework::name;
635: } else {
636: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 637: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 638: if ($name eq '') {
639: $name=&Apache::lonnet::EXT('resource.title');
640: if ($name eq 'con_lost') { $name = ''; }
641: }
642: if ($name!~/\S+/) {
643: $name=$env{'request.uri'};
644: $name=~s-.*/([^/]+)$-$1-;
645: }
646: # The name has had html tags escaped:
647:
648: $name=~s/</</gs;
649: $name=~s/>/>/gs;
650:
651: $Apache::lonhomework::name=$name;
1.204 albertel 652: }
1.159 albertel 653: return $name;
1.105 albertel 654: }
655:
656: sub setup_rndseed {
1.512.2.9 raeburn 657: my ($safeeval,$target,$probpartlist)=@_;
1.367 albertel 658: my ($symb)=&Apache::lonnet::whichuser();
1.512.2.19 raeburn 659: my ($questiontype,$set_safespace,$rndseed,$numtries,$reqtries);
1.479 raeburn 660: if ($target eq 'analyze') {
661: $questiontype = $env{'form.grade_questiontype'};
662: }
663: unless (defined($questiontype)) {
664: $questiontype = $Apache::lonhomework::type;
665: }
1.512.2.19 raeburn 666: if ($Apache::lonhomework::type eq 'randomizetry') {
667: my $partfortries = $Apache::inputtags::part;
1.512.2.22 raeburn 668: #
669: # Where question type is "randomizetry" for a problem containing
670: # a single part (and unless type is explicitly set to not be
671: # "randomizetry" for that part), the number of tries used to
672: # determine randomization will be for that part, and randomization
673: # from calls to &random() in a perl script block before the part tag,
674: # will change based on the number of tries, and value of the
675: # "randomizeontries" parameter in effect for the single part.
676: #
1.512.2.19 raeburn 677: if (ref($probpartlist) eq 'ARRAY') {
1.512.2.22 raeburn 678: if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $partfortries)) {
679: if (&Apache::lonnet::EXT('resource.'.$probpartlist->[0].'.type') eq 'randomizetry') {
1.512.2.21 raeburn 680: $partfortries = $probpartlist->[0];
681: } else {
682: $partfortries = '';
683: }
1.512.2.19 raeburn 684: }
685: }
1.512.2.21 raeburn 686: if ($partfortries ne '') {
687: $numtries = $Apache::lonhomework::history{"resource.$partfortries.tries"};
688: $reqtries = &Apache::lonnet::EXT("resource.$partfortries.randomizeontries");
689: }
1.512.2.19 raeburn 690: }
1.512.2.24.2. (raeburn 691:): if (($env{'request.state'} eq "construct")
1.512.2.14 raeburn 692: || ($symb eq '')
693: || ($Apache::lonhomework::type eq 'practice')
1.512.2.24.2. (raeburn 694:): || ($Apache::lonhomework::history{'resource.CODE'})
1.512.2.14 raeburn 695: || (($env{'form.code_for_randomlist'}) && ($target eq 'analyze'))) {
1.316 www 696: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 697: ['rndseed']);
1.284 albertel 698: $rndseed=$env{'form.rndseed'};
1.159 albertel 699: if (!$rndseed) {
1.162 albertel 700: $rndseed=$Apache::lonhomework::history{'rndseed'};
701: if (!$rndseed) {
702: $rndseed=time;
703: }
1.512.2.14 raeburn 704: unless ($env{'form.code_for_randomlist'}) {
705: $env{'form.rndseed'}=$rndseed;
706: }
1.162 albertel 707: }
1.512.2.20 raeburn 708: if ((($env{'request.state'} eq "construct") || ($symb eq '')) &&
1.479 raeburn 709: ($Apache::lonhomework::type eq 'randomizetry')) {
1.512.2.19 raeburn 710: if ($numtries) {
711: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
712: my $inc = int($numtries/$reqtries);
713: $rndseed += $inc;
714: } else {
715: $rndseed += $numtries;
716: }
1.479 raeburn 717: }
1.480 raeburn 718: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.479 raeburn 719: }
1.512.2.24.2. 3(raebur 720:4): if ( ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 721: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 722: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 723: srand(time);
724: $rndseed=int(rand(2100000000));
1.284 albertel 725: $env{'form.rndseed'}=$rndseed;
726: delete($env{'form.resetdata'});
727: delete($env{'form.newrandomization'});
1.159 albertel 728: }
1.488 www 729: $rndseed=~s/\,/\:/g;
730: $rndseed=~s/[^\w\d\:\-]//g;
1.489 www 731: if (defined($rndseed)) {
732: my ($c1,$c2)=split(/\:/,$rndseed);
733: unless ($c2) { $c2=0; }
734: unless (($c1==int($c1)) && ($c2==int($c2))) {
735: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
736: }
1.187 albertel 737: }
1.512.2.14 raeburn 738: if (($env{'form.code_for_randomlist'}) && ($target eq 'analyze')) {
739: $env{'form.CODE'} = $env{'form.code_for_randomlist'};
740: $rndseed=&Apache::lonnet::rndseed();
741: undef($env{'form.CODE'});
742: } elsif ($Apache::lonhomework::history{'resource.CODE'}) {
1.247 albertel 743: $rndseed=&Apache::lonnet::rndseed();
744: }
1.479 raeburn 745: $set_safespace = 1;
746: } elsif ($questiontype eq 'randomizetry') {
747: if ($target eq 'analyze') {
748: if (defined($env{'form.grade_rndseed'})) {
749: $rndseed = $env{'form.grade_rndseed'};
750: }
751: }
752: unless (($target eq 'analyze') && (defined($rndseed))) {
753: $rndseed=&Apache::lonnet::rndseed();
1.512.2.19 raeburn 754: my $curr_try = $numtries;
1.479 raeburn 755: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
756: $curr_try ++;
757: }
758: if ($rndseed =~/^(\d+)[,:](\d+)$/) {
759: $rndseed = $1;
760: }
761: if ($curr_try) {
762: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
763: my $inc = int(($curr_try-1)/$reqtries);
764: $rndseed += $inc;
765: } else {
766: $rndseed += $curr_try;
767: }
768: }
769: }
770: $set_safespace = 1;
1.512.2.9 raeburn 771: if ($target eq 'grade') {
772: $Apache::lonhomework::rawrndseed = $rndseed;
773: }
1.479 raeburn 774: }
775: if ($set_safespace) {
776: if ($safeeval) {
777: &Apache::lonxml::debug("Setting rndseed to $rndseed");
778: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
779: }
780: }
781: unless (($env{'request.state'} eq "construct") || ($symb eq '')) {
782: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.159 albertel 783: }
784: return $rndseed;
1.105 albertel 785: }
786:
1.268 albertel 787: sub remember_problem_state {
788: return '
1.284 albertel 789: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
790: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
791: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 792: }
793:
1.487 www 794: sub problem_edit_action_button {
795: my ($name,$action,$accesskey,$text,$flag)=@_;
796: my $actionscript="setmode(this.form,'$action')";
797: return "\n<input type='button' name='$name' accesskey='$accesskey' value='".&mt($text)."'".
798: ($flag?&Apache::edit::submit_ask_anyway($actionscript):&Apache::edit::submit_dont_ask($actionscript))." />";
799: }
800:
1.423 www 801: sub problem_edit_buttons {
1.487 www 802: my ($mode)=@_;
1.512.2.24.2. 3(raebur 803:4): my %editors = &Apache::loncommon::permitted_editors();
1.512.2.11 raeburn 804: # Buttons that save
805: my $result = '<div style="float:right">';
806: if ($mode eq 'editxml') {
1.512.2.24.2. 3(raebur 807:4): if ($editors{'xml'}) {
808:4): $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
809:4): }
1.512.2.11 raeburn 810: $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
811: } else {
1.512.2.24.2. 3(raebur 812:4): if ($editors{'edit'}) {
813:4): $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
814:4): }
1.512.2.11 raeburn 815: $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
816: }
817: $result.="\n</div>\n";
1.487 www 818: # Buttons that do not save
1.512.2.11 raeburn 819: $result .= '<div>'.
1.487 www 820: &problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
821: if ($mode eq 'editxml') {
1.512.2.24.2. 3(raebur 822:4): if ($editors{'edit'}) {
823:4): $result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
824:4): }
825:4): if ($editors{'daxe'}) {
826:4): $result.=&problem_edit_action_button('subdaxe','daxe','w','Edit with Daxe',1);
827:4): }
1.487 www 828: $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
1.512.2.24.2. 3(raebur 829:4): if (&Apache::loncommon::nocodemirror()) {
1.512.2.11 raeburn 830: $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
831: }
1.487 www 832: } else {
1.512.2.24.2. 3(raebur 833:4): if ($editors{'xml'}) {
834:4): $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
835:4): }
836:4): if ($editors{'daxe'}) {
837:4): $result.=&problem_edit_action_button('subdaxe','daxe','w','Edit with Daxe',1);
838:4): }
1.487 www 839: $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
840: }
841: $result.="\n</div>";
842: return $result;
1.423 www 843: }
844:
845: sub problem_edit_header {
1.512.2.11 raeburn 846: my ($mode)=@_;
847: my $return = '<input type="hidden" name="submitted" value="edit" />'.
1.487 www 848: &remember_problem_state('edit').'
1.512.2.11 raeburn 849: <div class="LC_edit_problem_header">
850: <div class="LC_edit_problem_header_title">
851: '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
1.512.2.24.2. 3(raebur 852:4): </div><div class="LC_edit_actionbar" id="actionbar">'.
853:4): '<input type="hidden" name="problemmode" value="saveedit" />'.
854:4): &problem_edit_buttons();
1.512.2.11 raeburn 855:
856: $return .= '</div></div>' . &Apache::lonxml::message_location();
857: $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />
858: <script type="text/javascript" src="/adm/codemirror/codemirror-compressed-colorful.js"></script>';
859:
860: $return .= '<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
861: <script type="text/javascript">
862: // unless internet explorer
863: if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode || document.compatMode))){
864: $(document).ready(
865: function() {
866: $(\'.LC_edit_actionbar\').scrollToFixed(
867: {
868: fixed: function(){
869: //$(this).find(\'.LC_edit_actionbar\').css(\'height\', \'31px\');
870: $(this).find(\'.LC_edit_actionbar\');
871: }
872: }
873: );
874: }
875: );
876: }
877: </script>
878: <table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
879: return $return;
1.105 albertel 880: }
881:
1.512.2.11 raeburn 882:
1.105 albertel 883: sub problem_edit_footer {
1.512.2.11 raeburn 884: my $resource = $env{'request.ambiguous'};
1.412 albertel 885: return '</td></tr></table><br />
886: <div class="LC_edit_problem_footer">
1.453 bisitz 887: <hr />'.
1.423 www 888: &problem_edit_buttons().'
1.459 bisitz 889: <hr style="clear:both;" />
1.512.2.11 raeburn 890: <script type="text/javascript">
891: restoreState("'.$resource.'");
892: restoreScrollPosition("'.$resource.'");
893: </script>
1.412 albertel 894: </div>
895: '.
1.342 albertel 896: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 897: }
898:
1.235 albertel 899: sub option {
900: my ($value,$name) = @_;
901: my $result ="<option value='".$value."' ";
1.284 albertel 902: if ($env{'form.'.$name} eq $value) {
1.235 albertel 903: $result.=" selected='on' ";
904: }
905: $result.='>';
906: return $result;
907: }
908:
1.105 albertel 909: sub problem_web_to_edit_header {
1.159 albertel 910: my ($rndseed)=@_;
1.512.2.24.2. 3(raebur 911:4): my %editors = &Apache::loncommon::permitted_editors();
1.406 albertel 912: my $result .= '<div class="LC_edit_problem_header">';
913:
914: if (!$Apache::lonhomework::parsing_a_task) {
915: $result .=
916: '<div class="LC_edit_problem_header_title">'.
917: &mt('Problem Testing').
918: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
919: '</div>';
920: } else {
921: $result .=
922: '<div class="LC_edit_problem_header_title">'.
923: &mt('Task Testing').
924: '</div>';
925: }
926:
1.315 albertel 927: my $show_all_foils_text =
928: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 929: &mt('Show All Instances')
930: : &mt('Show All Foils');
1.315 albertel 931:
1.452 bisitz 932: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
933: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 934: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 935: $show_all.= ' /> '.$show_all_foils_text
936: .'</label></span>';
1.406 albertel 937:
938:
1.384 albertel 939:
1.406 albertel 940: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 941: if (!$Apache::lonhomework::parsing_a_task) {
942: $result.="
1.406 albertel 943: <div class='LC_edit_problem_header_row1'>
944: <span class=\"LC_nobreak\">
1.405 albertel 945: ".&mt("Problem Status:")."
1.235 albertel 946: <select name='problemstate'>
1.270 albertel 947: <option value=''></option>
1.235 albertel 948: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
949: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
950: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
951: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
952: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
953: </select>
1.406 albertel 954: </span>
955: <span class=\"LC_nobreak\">
1.405 albertel 956: ".&mt("Problem Type:")."
1.235 albertel 957: <select name='problemtype'>
1.270 albertel 958: <option value=''></option>
1.512.2.1 raeburn 959: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
1.428 raeburn 960: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 961: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 962: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
963: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
964: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 965: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.479 raeburn 966: ".&option('randomizetry' ,'problemtype').&mt("New Randomization Each Try")."</option>
1.235 albertel 967: </select>
1.406 albertel 968: </span>
969: $show_all
970: </div>
971: <div class='LC_edit_problem_header_row2'>
972: <span class=\"LC_nobreak\">
1.405 albertel 973: ".&mt("Feedback Mode:")."
1.235 albertel 974: <select name='problemstatus'>
975: <option value=''></option>
1.242 albertel 976: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.512.2.6 raeburn 977: ".&option('no', 'problemstatus').&mt("Don't Show Incorrect/Correct Feedback")."</option>
1.405 albertel 978: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 979: </select>
1.406 albertel 980: </span>
981: ";
982:
1.376 albertel 983: } elsif ($Apache::lonhomework::parsing_a_task) {
984: $result.="
1.406 albertel 985: <div class='LC_edit_problem_header_row1'>
986: <span class=\"LC_nobreak\">
1.405 albertel 987: ".&mt("Problem Status:")."
1.376 albertel 988: <select name='problemstate'>
989: <option value=''></option>
990: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
991: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
992: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
993: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
994: </select>
1.406 albertel 995: </span>
996: $show_all
997: ";
998: }
999: $result.='
1000: <span class="LC_nobreak">
1001: '.&mt('Apply style file: ').'
1002: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
1003: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
1004: </span>
1.422 www 1005: </div>
1006: <div class="LC_edit_problem_header_row1">'.
1007: &Apache::lonxml::renderingoptions().'
1.406 albertel 1008: </div>
1009: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
1010: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
1.512.2.24.2. 3(raebur 1011:4): <button type="submit" name="resetdata" accesskey="r" value="reset_submissions">
1012:4): '.&mt('Reset Submissions').'</button>
1.406 albertel 1013: </div>
1.453 bisitz 1014: <hr />
1.406 albertel 1015: <div class="LC_edit_problem_header_randomize_row">
1016: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
1017: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 1018: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 1019: $rndseed.'"
1020: onchange="javascript:document.lonhomework.changerandseed.click()" />';
1021:
1022: if (!$Apache::lonhomework::parsing_a_task) {
1023: my $numtoanalyze=$env{'form.numtoanalyze'};
1024: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 1025: $result .= '<span class="LC_nobreak">'.
1026: &mt('[_1] for [_2] versions.',
1.416 raeburn 1027: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 1028: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
1029: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 1030: $numtoanalyze.'" size="5" />').
1031: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
1032: '</span>';
1033:
1.313 albertel 1034: }
1.406 albertel 1035:
1036: $result.='
1037: </div>
1.453 bisitz 1038: <hr />
1.447 bisitz 1039: <div>';
1.416 raeburn 1040: $result.='<input type="hidden" name="problemmode" value="view" />';
1.512.2.24.2. 3(raebur 1041:4): if ($editors{'edit'}) {
1042:4): $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
1043:4): 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
1044:4): }
1045:4): if ($editors{'xml'}) {
1046:4): $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
1047:4): 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1048:4): }
1049:4): if (($editors{'daxe'}) &&
1050:4): ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9)) {
1051:4): my $uri = $env{'request.uri'};
1052:4): my $daxeurl = '/daxepage'.$uri;
1053:4): $result .= '<input type="button" accesskey="w" value="'.&mt('Edit with Daxe').'" '.
1054:4): 'onclick="javascript:setmode(this.form,'."'daxe'".')" />';
1055:4): }
1.408 albertel 1056: $result.='
1057: </div>
1.453 bisitz 1058: <hr />
1.409 albertel 1059: '.&Apache::lonxml::message_location().'
1.406 albertel 1060: </div>';
1.159 albertel 1061: return $result;
1.48 albertel 1062: }
1063:
1.65 albertel 1064: sub initialize_storage {
1.357 albertel 1065: my ($given_symb) = @_;
1.353 albertel 1066: undef(%Apache::lonhomework::results);
1067: undef(%Apache::lonhomework::history);
1.357 albertel 1068: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1069: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 1070:
1071: # anonymous users (CODEd exams) have no data
1072: if ($name eq 'anonymous'
1073: && !defined($domain)) {
1074: return;
1075: }
1076:
1.333 albertel 1077: if ($env{'request.state'} eq 'construct'
1078: || $symb eq ''
1079: || $Apache::lonhomework::type eq 'practice') {
1080:
1081: my $namespace = $symb || $env{'request.uri'};
1.512.2.24.2. 3(raebur 1082:4): if ($env{'form.resetdata'} eq 'reset_submissions' ||
1083:4): ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 1084: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 1085: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1086: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
1087: &Apache::lonxml::debug("Attempt reset");
1088: }
1.159 albertel 1089: %Apache::lonhomework::history=
1.333 albertel 1090: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.512.2.9 raeburn 1091: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1092: &Apache::lonxml::debug("Return message of $temp");
1093: } else {
1094: %Apache::lonhomework::history=
1095: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1096: }
1.353 albertel 1097:
1.159 albertel 1098: #ignore error conditions
1.512.2.9 raeburn 1099: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1100: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 1101: }
1102:
1.435 jms 1103: =pod
1104:
1105: =item finalize_storage()
1106:
1.512.2.9 raeburn 1107: Stores away the result hash to a student's environment;
1108: checks form.grade_ for specific values, otherwise stores
1109: to the running user's environment.
1110:
1111: &check_correctness_changes() is called in two circumstances
1112: in which the results hash is to be stored permanently, for
1113: grading triggered by a student's submission, where feedback on
1114: correctness is to be provided to the student.
1115:
1116: 1. Immediately prior to storing the results hash
1117:
1118: To handle the case where a student's submission (and award) were
1119: stored after history was retrieved in &initialize_storage(), e.g.,
1120: if a student submitted answers in quick succession (e.g., from
1121: multiple tabs). &Apache::inputtags::hidealldata() is called for
1122: any parts with out-of-order storage (i.e., correct then incorrect,
1123: where awarded >= 1 when correct).
1124:
1125: 2. Immediately after storing the results hash
1126:
1127: To handle the case where lond on the student's homeserver returns
1128: delay:N -- where N is the number of transactions between the last
1129: retrieved in &initialize_storage() and the last stored immediately
1130: before permanent storage of the current transaction via
1131: lond::store_handler(). &Apache::grades::makehidden() is called
1132: for any parts with out-of-order storage (i.e., correct then incorrect,
1133: where awarded >= 1 when correct).
1134:
1.512.2.24.2. (raeburn 1135:): Will call &store_aggregates() to increment totals for attempts,
1.512.2.9 raeburn 1136: students, and corrects, if running user has student role.
1.512.2.24.2. (raeburn 1137:):
1.435 jms 1138: =cut
1139:
1140:
1.65 albertel 1141: sub finalize_storage {
1.357 albertel 1142: my ($given_symb) = @_;
1.159 albertel 1143: my $result;
1.289 albertel 1144: if (%Apache::lonhomework::results) {
1.323 albertel 1145: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
1146: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 1147: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1148: &Apache::lonnet::whichuser($given_symb);
1.512.2.24.2. (raeburn 1149:): my ($passback,$pbscope,$pbmap,$pbsymb,$pbtype,$crsdef,$ltinum,
1150:): $ltiref,$total,$possible,$dopassback);
1.333 albertel 1151: if ($env{'request.state'} eq 'construct'
1152: || $symb eq ''
1153: || $Apache::lonhomework::type eq 'practice') {
1154: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 1155: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 1156: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 1157: $namespace,'',$domain,$name);
1.159 albertel 1158: &Apache::lonxml::debug('Construct Store return message:'.$result);
1159: } else {
1.512.2.24.2. (raeburn 1160:): my ($laststore,$checkedparts,@parts,%postcorrect,%record);
1.512.2.9 raeburn 1161: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1162: (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
1163: (!defined($env{'form.grade_courseid'}))) {
1.512.2.24.2. (raeburn 1164:): if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) {
1165:): my ($map)=&Apache::lonnet::decode_symb($symb);
1166:): $map = &Apache::lonnet::clutter($map);
1167:): if ($env{'request.lti.login'}) {
1168:): ($passback,$pbscope,$pbmap,$pbsymb,$ltinum,$ltiref) =
1169:): &needs_lti_passback($courseid,$symb,$map);
1170:): } elsif ($env{'request.deeplink.login'}) {
1171:): ($passback,$pbscope,$pbmap,$pbsymb,$crsdef,$ltinum,$ltiref) =
1172:): &needs_linkprot_passback($courseid,$symb,$map);
1173:): }
1174:): }
1.512.2.9 raeburn 1175: if ($Apache::lonhomework::history{'version'}) {
1176: $laststore = $Apache::lonhomework::history{'version'}.'='.
1177: $Apache::lonhomework::history{'timestamp'};
1178: } else {
1179: $laststore = '0=0';
1180: }
1.512.2.24.2. (raeburn 1181:): %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1.512.2.9 raeburn 1182: if ($record{'version'}) {
1183: my ($newversion,$oldversion,$oldtimestamp);
1184: if ($Apache::lonhomework::history{'version'}) {
1185: $oldversion = $Apache::lonhomework::history{'version'};
1186: $oldtimestamp = $Apache::lonhomework::history{'timestamp'};
1187: } else {
1188: $oldversion = 0;
1189: $oldtimestamp = 0;
1190: }
1191: if ($record{'version'} > $oldversion) {
1192: if ($record{'timestamp'} >= $oldtimestamp) {
1193: $laststore = $record{'version'}.'='.$record{'timestamp'};
1194: $newversion = $record{'version'} + 1;
1195: $checkedparts = 1;
1196: foreach my $key (keys(%Apache::lonhomework::results)) {
1197: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1198: my $part = $1;
1199: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1200: push(@parts,$part);
1201: }
1202: }
1203: }
1204: if (@parts) {
1205: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1206: \%record,\@parts,$newversion,
1207: $oldversion);
1208: if (@parts_to_hide) {
1209: foreach my $part (@parts_to_hide) {
1210: $postcorrect{$part} = 1;
1211: &Apache::inputtags::hidealldata($part);
1212: }
1213: }
1214: }
1215: }
1216: }
1217: }
1218: }
1.159 albertel 1219: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
1.512.2.9 raeburn 1220: $symb,$courseid,$domain,$name,$laststore);
1221: if ($result =~ /^delay\:(\d+)$/) {
1222: my $numtrans = $1;
1223: my ($oldversion) = split(/=/,$laststore);
1224: if ($numtrans) {
1225: my $newversion = $oldversion + 1 + $numtrans;
1226: my @possparts;
1227: if ($checkedparts) {
1228: foreach my $part (@parts) {
1229: unless ($postcorrect{$part}) {
1230: push(@possparts,$part);
1231: }
1232: }
1233: } else {
1234: foreach my $key (keys(%Apache::lonhomework::results)) {
1235: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1236: my $part = $1;
1237: unless ($postcorrect{$part}) {
1238: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1239: push(@possparts,$part);
1240: }
1241: }
1242: }
1243: }
1244: }
1245: if (@possparts) {
1246: my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1247: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1248: \%newrecord,\@possparts,$newversion,
1249: $oldversion);
1250: if (@parts_to_hide) {
1251: my $partslist = join(',',@parts_to_hide);
1252: &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1);
1253: }
1254: }
1255: }
1256: }
1.512.2.24.2. (raeburn 1257:): if ($passback) {
1258:): foreach my $key (keys(%Apache::lonhomework::results)) {
1259:): if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1260:): my $part = $1;
1261:): if ((($Apache::lonhomework::results{$key} =~ /^correct_/) ||
1262:): ($Apache::lonhomework::results{$key} eq 'incorrect_attempted')) &&
1263:): ($Apache::lonhomework::results{"resource.$part.tries"})) {
1264:): $dopassback = 1;
1265:): last;
1266:): }
1267:): }
1268:): }
1269:): }
1270:): if (($dopassback) && ($pbscope eq 'resource') && ($pbsymb eq $symb)) {
1271:): $total = 0;
1272:): $possible = 0;
1273:): my $navmap = Apache::lonnavmaps::navmap->new();
1274:): if (ref($navmap)) {
1275:): my $res = $navmap->getBySymb($symb);
1276:): if (ref($res)) {
1277:): my $partlist = $res->parts();
1278:): if (ref($partlist) eq 'ARRAY') {
1279:): foreach my $part (@{$partlist}) {
1280:): unless (exists($Apache::lonhomework::results{"resource.$part.solved"})) {
1281:): next if ($Apache::lonhomework::record{"resource.$part.solved"} =~/^excused/);
1282:): my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1283:): $possible += $weight;
1284:): if (($record{'version'}) && (exists($record{"resource.$part.awarded"}))) {
1285:): my $awarded = $record{"resource.$part.awarded"};
1286:): if ($awarded) {
1287:): $total += $weight * $awarded;
1288:): }
1289:): }
1290:): }
1291:): }
1292:): }
1293:): }
1294:): }
1295:): foreach my $key (keys(%Apache::lonhomework::results)) {
1296:): if ($key =~ /^resource\.([^\.]+)\.awarded$/) {
1297:): my $part = $1;
1298:): my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1299:): $possible += $weight;
1300:): my $awarded = $Apache::lonhomework::results{$key};
1301:): if ($awarded) {
1302:): $total += $weight * $awarded;
1303:): }
1304:): }
1305:): }
1306:): }
1.159 albertel 1307: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1308: &store_aggregates($symb,$courseid);
1.512.2.24.2. (raeburn 1309:): if ($dopassback) {
1310:): my $scoreformat = 'decimal';
1311:): if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) {
1312:): if (ref($ltiref) eq 'HASH') {
1313:): if ($ltiref->{'scoreformat'} =~ /^(decimal|ratio|percentage)$/) {
1314:): $scoreformat = $1;
1315:): }
1316:): }
1317:): }
1318:): my ($pbid,$pburl,$pbtype);
1319:): if ($env{'request.lti.login'}) {
1320:): $pbid = $env{'request.lti.passbackid'};
1321:): $pburl = $env{'request.lti.passbackurl'};
1322:): $pbtype = 'lti';
1323:): } elsif ($env{'request.deeplink.login'}) {
1324:): $pbid = $env{'request.linkprotpbid'};
1325:): $pburl = $env{'request.linkprotpburl'};
1326:): $pbtype = 'linkprot';
1327:): }
1328:): my $ltigrade = {
1329:): 'ltinum' => $ltinum,
1330:): 'lti' => $ltiref,
1331:): 'crsdef' => $crsdef,
1332:): 'cid' => $courseid,
1333:): 'uname' => $env{'user.name'},
1334:): 'udom' => $env{'user.domain'},
1335:): 'pbid' => $pbid,
1336:): 'pburl' => $pburl,
1337:): 'pbtype' => $pbtype,
1338:): 'scope' => $pbscope,
1339:): 'pbmap' => $pbmap,
1340:): 'pbsymb' => $pbsymb,
1341:): 'format' => $scoreformat,
1342:): };
1343:): if ($pbscope eq 'resource') {
1344:): $ltigrade->{'total'} = $total;
1345:): $ltigrade->{'possible'} = $possible;
1346:): }
1347:): push(@Apache::lonhomework::ltipassback,$ltigrade);
1348:): }
1.159 albertel 1349: }
1.323 albertel 1350: } else {
1351: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1352: }
1.159 albertel 1353: return $result;
1.65 albertel 1354: }
1355:
1.512.2.24.2. (raeburn 1356:): sub needs_lti_passback {
1357:): my ($courseid,$symb,$map) = @_;
1358:): if (($env{'request.lti.passbackid'}) && ($env{'request.lti.passbackurl'})) {
1359:): if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1360:): my ($cdom,$cnum) = ($1,$2);
1361:): my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider');
1362:): if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') {
1363:): if ($lti{$env{'request.lti.login'}}{'passback'}) {
1364:): my $itemnum = $env{'request.lti.login'};
1365:): my ($ltiscope,$ltiuri,$ltisymb) =
1366:): &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
1367:): $cdom,$cnum,1);
1368:): my ($passback,$ltimap);
1369:): if ($ltiscope eq 'resource') {
1370:): if ($ltisymb eq $symb) {
1371:): $passback = 1;
1372:): }
1373:): } elsif ($ltiscope eq 'map') {
1374:): if ($ltiuri eq $map) {
1375:): $passback = 1;
1376:): $ltimap = $map;
1377:): }
1378:): } elsif ($ltiscope eq 'course') {
1379:): if (($env{'request.lti.uri'} eq "/$cdom/$cnum") || ($env{'request.lti.uri'} eq '')) {
1380:): $passback = 1;
1381:): }
1382:): }
1383:): return ($passback,$ltiscope,$ltimap,$ltisymb,$itemnum,$lti{$itemnum});
1384:): }
1385:): }
1386:): }
1387:): }
1388:): return;
1389:): }
1390:):
1391:): sub needs_linkprot_passback {
1392:): my ($courseid,$symb,$map) = @_;
1393:): if (($env{'request.linkprotpbid'}) && ($env{'request.linkprotpburl'})) {
1394:): if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1395:): my ($cdom,$cnum) = ($1,$2);
1396:): my ($deeplink_symb,$deeplink_map,$deeplink,$passback);
1397:): $deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom);
1398:): if ($deeplink_symb) {
1399:): if ($deeplink_symb =~ /\.(page|sequence)$/) {
1400:): $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[2]);
1401:): my $navmap = Apache::lonnavmaps::navmap->new();
1402:): if (ref($navmap)) {
1403:): $deeplink = $navmap->get_mapparam(undef,$deeplink_map,'0.deeplink');
1404:): }
1405:): } else {
1406:): $deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$deeplink_symb);
1407:): $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[0]);
1408:): }
1409:): if (($deeplink ne '') && ($env{'request.linkprot'} ne '')) {
1410:): my ($itemid,$tinyurl) = split(/:/,$env{'request.linkprot'});
1411:): if ($itemid =~ /^(\d+)(c|d)$/) {
1412:): my ($itemnum,$itemtype) = ($1,$2);
1413:): my ($crsdef,$lti_in_use);
1414:): if ($itemtype eq 'c') {
1415:): $crsdef = 1;
1416:): my %crslti = &Apache::lonnet::get_course_lti($cnum,$cdom,'provider');
1417:): $lti_in_use = $crslti{$itemnum};
1418:): } else {
1419:): my %domlti = &Apache::lonnet::get_domain_lti($cdom,'linkprot');
1420:): $lti_in_use = $domlti{$itemnum};
1421:): }
1422:): my ($state,$others,$listed,$scope,$protect,$display,$target,$exit) = split(/,/,$deeplink);
1423:): my ($passback,$pbscope);
1424:): if ($scope eq 'res') {
1425:): if ($deeplink_symb eq $symb) {
1426:): $passback = 1;
1427:): $pbscope = 'resource';
1428:): }
1429:): } elsif ($scope eq 'map') {
1430:): if (&Apache::lonnet::clutter($deeplink_map) eq $map) {
1431:): $passback = 1;
1432:): $pbscope = 'nonrec';
1433:): }
1434:): } elsif ($scope eq 'rec') {
1435:): if (&Apache::lonnet::clutter($deeplink_map) eq $map) {
1436:): $passback = 1;
1437:): $pbscope = 'map';
1438:): } else {
1439:): my @recurseup = &Apache::lonnet::get_map_hierarchy($map,$env{'request.course.id'});
1440:): if (grep(/^\Q$deeplink_map\E$/,@recurseup)) {
1441:): $passback = 1;
1442:): $pbscope = 'map';
1443:): }
1444:): }
1445:): }
1446:): return ($passback,$pbscope,$deeplink_map,$deeplink_symb,$crsdef,$itemnum,$lti_in_use);
1447:): }
1448:): }
1449:): }
1450:): }
1451:): }
1452:): }
1453:):
1.435 jms 1454: =pod
1455:
1.512.2.9 raeburn 1456: =item check_correctness_changes()
1457:
1458: For all parts for which current results contain a solved status
1459: of "incorrect_attempted", check if there was a transaction in which
1460: solved was set to "correct_by_student" in the time since the last
1461: transaction (retrieved when &initialize_storage() was called i.e.,
1462: when &start_problem() was called), unless:
1463: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1464: (b) problemstatus is set to no or no_feedback_ever
1465: If such a transaction exists, and did not occur after "reset status"
1466: by a user with grading privileges, then the current transaction is an
1467: example of an out-of-order transaction (i.e., incorrect occurring after
1468: correct). Accordingly, the current transaction should be hidden.
1469:
1470: =cut
1471:
1472:
1473: sub check_correctness_changes {
1474: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1475: my @parts_to_hide;
1476: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1477: return @parts_to_hide;
1478: }
1479: if (@{$parts}) {
1480: my $usec;
1481: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1482: ($env{'request.course.id'} eq $courseid)) {
1483: $usec = $env{'request.course.sec'};
1484: } else {
1485: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1486: }
1487: foreach my $id (@{$parts}) {
1488: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1489: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1490: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1491: my $reset;
1492: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1493: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1494: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1495: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1496: $reset = 1;
1497: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1498: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1499: unless ($reset) {
1500: push(@parts_to_hide,$id);
1501: last;
1502: }
1503: }
1504: }
1505: }
1506: }
1507: return @parts_to_hide;
1508: }
1509:
1510: =pod
1511:
1.435 jms 1512: item store_aggregates()
1513:
1514: Sends hash of values to be incremented in nohist_resourcetracker.db
1515: for the course. Increments total number of attempts, unique students
1516: and corrects for each part for an instance of a problem, as appropriate.
1517:
1518: =cut
1519:
1.285 raeburn 1520: sub store_aggregates {
1521: my ($symb,$courseid) = @_;
1.479 raeburn 1522: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1523: my @parts;
1.288 albertel 1524: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1525: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1526: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1527: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1528: push(@parts, $1);
1.285 raeburn 1529: }
1530: }
1.286 albertel 1531: foreach my $part (@parts) {
1.470 raeburn 1532: if ($env{'request.role'} =~/^st/) {
1533: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1534: eq 'APPROX_ANS' ||
1535: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1536: eq 'EXACT_ANS') {
1537: $aggregate{$symb."\0".$part."\0correct"} = 1;
1538: }
1539: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1540: $aggregate{$symb."\0".$part."\0users"} = 1;
1541: } else {
1542: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1543: if ($last_reset) {
1544: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1545: $aggregate{$symb."\0".$part."\0users"} = 1;
1546: }
1547: }
1548: }
1549: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1550: }
1.470 raeburn 1551: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1552: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1553: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1554: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1555: $randtrycounter{$symb."\0".$part} = 1;
1556: } else {
1557: $anoncounter{$symb."\0".$part} = 1;
1558: }
1.470 raeburn 1559: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}};
1560: if ($needsrelease) {
1561: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1562: if ($curr_required eq '') {
1.471 raeburn 1563: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1564: } else {
1565: my ($currmajor,$currminor) = split(/\./,$curr_required);
1566: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1567: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1568: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1569: }
1.292 raeburn 1570: }
1571: }
1.285 raeburn 1572: }
1573: }
1.512.2.9 raeburn 1574: if (keys(%aggregate) > 0) {
1.289 albertel 1575: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1576: $cdomain,$cname);
1577: }
1.472 raeburn 1578: if (keys(%anoncounter) > 0) {
1.481 raeburn 1579: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1580: $cdomain,$cname);
1.472 raeburn 1581: }
1.479 raeburn 1582: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1583: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1584: $cdomain,$cname);
1.479 raeburn 1585: }
1.292 raeburn 1586: }
1.289 albertel 1587:
1.512.2.24.2. 0(raebur 1588:4): sub access_status_msg {
1589:4): my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_;
1590:4): my $msg;
1591:4): if ($target eq 'web') {
1592:4): if ($status eq 'UNAVAILABLE') {
1593:4): $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1594:4): } elsif ($status eq 'NOT_IN_A_SLOT') {
1595:4): $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1596:4): } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1597:4): ($status eq 'NOTRESERVABLE')) {
1598:4): $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1599:4): } elsif ($status ne 'NOT_YET_VIEWED') {
1600:4): $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1601:4): }
1602:4): if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1603:4): $msg.=&mt('The problem ').$accessmsg;
1604:4): } elsif ($status eq 'UNCHECKEDOUT') {
1605:4): $msg.=&checkout_msg();
1606:4): } elsif ($status eq 'NOT_YET_VIEWED') {
1607:4): $msg.=&firstaccess_msg($accessmsg,$symb);
1608:4): } elsif ($status eq 'NOT_IN_A_SLOT') {
1609:4): $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1610:4): } elsif ($status eq 'RESERVABLE') {
1611:4): $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1612:4): &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1613:4): '<br />'.
1614:4): &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1615:4): } elsif ($status eq 'RESERVABLE_LATER') {
1616:4): $msg.=&mt('Window to make a reservation will open [_1].',
1617:4): &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1618:4): } elsif ($status eq 'NOTRESERVABLE') {
1619:4): $msg.=&mt('Not available to make a reservation.');
1620:4): }
1621:4): $msg.='<br />';
1622:4): } elsif ($target eq 'tex') {
1623:4): my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1624:4): : '\begin{minipage}{\textwidth}';
1625:4):
1626:4): $msg ='\noindent \vskip 1 mm '.
1627:4): $startminipage.'\vskip 0 mm';
1628:4): if ($status eq 'UNAVAILABLE') {
2(raebur 1629:4): $msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.');
1630:4): } elsif ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1631:4): $msg.=&mt('Problem is not open to be viewed. It')." $accessmsg";
0(raebur 1632:4): } else {
2(raebur 1633:4): $msg.=&mt('Problem is not open to be viewed.');
0(raebur 1634:4): }
2(raebur 1635:4): $msg .= " \\vskip 0 mm ";
0(raebur 1636:4): }
1637:4): return $msg;
1638:4): }
1639:4):
1640:4): sub checkin_prompt {
1641:4): my ($target,$slot_name,$slot,$type) = @_;
1642:4): my $result;
1643:4): if ($target eq 'web') {
1644:4): $result = &Apache::bridgetask::proctor_validation_screen($slot);
1645:4): } elsif ($target eq 'grade') {
1646:4): if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) {
1647:4): $result = &mt('An error occurred during check-in');
1648:4): }
1649:4): }
1650:4): return $result;
1651:4): }
1652:4):
1653:4): sub selfcheckin_resource {
1654:4): my ($resource_due,$slot_name,$slot,$symb) = @_;
1655:4): if ($slot_name ne '') {
1656:4): my $checked_in =
1657:4): $Apache::lonhomework::history{'resource.0.checkedin'};
1658:4): if ($checked_in eq '') {
1659:4): # unproctored slot access, self checkin
1660:4): my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1661:4): $slot_name);
1662:4): if ($check =~ /^error: /) {
1663:4): &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name");
1664:4): } else {
1665:4): $checked_in = $Apache::lonhomework::results{"resource.0.checkedin"};
1666:4): }
1667:4): }
1668:4): if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1669:4): if ($slot->{'starttime'} < time()) {
1670:4): if (!$resource_due) {
1671:4): $resource_due = $slot->{'endtime'};
1672:4): } elsif ($slot->{'endtime'} < $resource_due) {
1673:4): $resource_due = $slot->{'endtime'};
1674:4): }
1675:4): }
1676:4): }
1677:4): }
1678:4): return $resource_due;
1679:4): }
1680:4):
1.65 albertel 1681: sub checkout_msg {
1.211 albertel 1682: my %lt=&Apache::lonlocal::texthash(
1683: 'resource'=>'The resource needs to be checked out',
1684: 'id_expln'=>'As a resource gets checked out, a unique timestamped ID is given to it, and a permanent record is left in the system.',
1685: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.512.2.1 raeburn 1686: 'checkout'=>'Check out Exam for Viewing',
1687: 'checkout?'=>'Check out Exam?');
1.352 albertel 1688: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1689: return (<<ENDCHECKOUT);
1.211 albertel 1690: <h2>$lt{'resource'}</h2>
1691: <p>$lt{'id_expln'}</p>
1.449 bisitz 1692: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1693: <form name="checkout" method="post" action="$uri">
1.91 albertel 1694: <input type="hidden" name="doescheckout" value="yes" />
1.512.2.4 raeburn 1695: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1696: </form>
1697: ENDCHECKOUT
1698: }
1699:
1.252 albertel 1700: sub firstaccess_msg {
1.253 albertel 1701: my ($time,$symb)=@_;
1.414 albertel 1702: my $result;
1703: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1704: if ($interval[1] eq 'map') {
1705: my ($map)=&Apache::lonnet::decode_symb($symb);
1706: my $foldertitle=&Apache::lonnet::gettitle($map);
1707:
1708: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1709: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1710: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1711: ,$foldertitle,$time)."</p>";
1.414 albertel 1712: } elsif ($interval[1] eq 'course') {
1713: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1714: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1715: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1716: ,$course,$time)."</p>";
1.414 albertel 1717: } else {
1718: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1719: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1720: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1721: ,$title,$time)."</p>";
1.414 albertel 1722: }
1.352 albertel 1723: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1724: my $buttontext = &mt('Show Resource');
1725: my $timertext = &mt('Start Timer?');
1.512.2.24 raeburn 1726: my $shownsymb = &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb),'\'"<>&');
1.414 albertel 1727: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1728: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1729: <input type="hidden" name="markaccess" value="yes" />
1.512.2.24 raeburn 1730: <input type="hidden" name="symb" value="$shownsymb" />
1.512.2.4 raeburn 1731: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1732: </form>
1733: ENDCHECKOUT
1.414 albertel 1734: return $result;
1.252 albertel 1735: }
1736:
1.204 albertel 1737: sub init_problem_globals {
1738: my ($type)=@_;
1739: #initialize globals
1.308 foxr 1740: # For problems, we start out in part 0 (outside a <part> tag).
1741: # and part 0 is used to describe the main body of the <problem>
1742: #
1.204 albertel 1743: if ($type eq 'problem') {
1744: $Apache::inputtags::part='0';
1745: @Apache::inputtags::partlist=('0');
1.405 albertel 1746: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1747: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1748:
1.266 albertel 1749: } elsif ($type eq 'library') {
1.204 albertel 1750: $Apache::inputtags::part='';
1751: @Apache::inputtags::partlist=();
1.405 albertel 1752: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1753: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1754:
1.304 albertel 1755: } elsif ($type eq 'Task') {
1756: $Apache::inputtags::part='0';
1757: @Apache::inputtags::partlist=('0');
1.405 albertel 1758: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1759: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1760: }
1.477 www 1761: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1762: @Apache::inputtags::responselist = ();
1763: @Apache::inputtags::importlist = ();
1764: @Apache::inputtags::previous=();
1765: @Apache::inputtags::previous_version=();
1.512.2.10 raeburn 1766: $Apache::inputtags::leniency='';
1.204 albertel 1767: $Apache::structuretags::printanswer='No';
1768: @Apache::structuretags::whileconds=();
1769: @Apache::structuretags::whilebody=();
1770: @Apache::structuretags::whileline=();
1771: $Apache::lonhomework::scantronmode=0;
1.512.2.21 raeburn 1772: $Apache::lonhomework::randomizetrypart=0;
1.204 albertel 1773: undef($Apache::lonhomework::name);
1.358 albertel 1774: undef($Apache::lonhomework::default_type);
1775: undef($Apache::lonhomework::type);
1.204 albertel 1776: }
1777:
1778: sub reset_problem_globals {
1779: my ($type)=@_;
1780: undef(%Apache::lonhomework::history);
1781: undef(%Apache::lonhomework::results);
1782: undef($Apache::inputtags::part);
1.512.2.10 raeburn 1783: undef($Apache::inputtags::leniency);
1.498 raeburn 1784: if ($type eq 'Task') {
1785: undef($Apache::inputtags::slot_name);
1.512.2.9 raeburn 1786: } elsif ($type eq 'problem') {
1787: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1788: }
1.208 albertel 1789: #don't undef this, lonhomework.pm takes care of this, we use this to
1790: #detect if we try to do 2 problems in one file
1791: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1792: undef($Apache::lonhomework::name);
1.358 albertel 1793: undef($Apache::lonhomework::default_type);
1794: undef($Apache::lonhomework::type);
1795: undef($Apache::lonhomework::scantronmode);
1.512.2.21 raeburn 1796: undef($Apache::inputtags::randomizetrypart);
1.358 albertel 1797: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1798: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1799: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1800: }
1801:
1.241 albertel 1802: sub set_problem_state {
1.240 albertel 1803: my ($part)=@_;
1.284 albertel 1804: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1805: $Apache::lonhomework::history{"resource.$part.solved"}=
1806: 'correct_by_student';
1807: }
1808: }
1809:
1.241 albertel 1810: sub get_problem_status {
1811: my ($part)=@_;
1.267 albertel 1812: my $problem_status;
1.284 albertel 1813: if ($env{'request.state'} eq 'construct' &&
1814: defined($env{'form.problemstatus'})) {
1815: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1816: } else {
1817: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1818: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1819: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1820: }
1821: return $problem_status;
1822: }
1823:
1.9 albertel 1824: sub start_problem {
1.326 albertel 1825: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1826:
1.311 foxr 1827: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1828: if (!$Apache::lonxml::metamode) {
1829: &Apache::lonxml::startredirection();
1830: }
1.311 foxr 1831:
1.308 foxr 1832: # Problems don't nest and we don't allow more than one <problem> in
1833: # a .problem file.
1834: #
1.184 albertel 1835: if ( $Apache::inputtags::part ne '' ||
1836: $Apache::lonhomework::parsing_a_problem) {
1837: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1838: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1839: return '';
1840: }
1.184 albertel 1841:
1842: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1843: &init_problem_globals('problem');
1.166 albertel 1844:
1.284 albertel 1845: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1846: $Apache::lonhomework::scantronmode=1;
1847: }
1.161 albertel 1848:
1.159 albertel 1849: if ($target ne 'analyze') {
1.415 raeburn 1850: my $type = &Apache::lonnet::EXT('resource.0.type');
1851: $Apache::lonhomework::type=$type;
1.284 albertel 1852: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1853: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1854: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1855: }
1.332 albertel 1856: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1857: }
1.164 albertel 1858: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1859: my $uri=$env{'request.uri'};
1.159 albertel 1860: if ($uri=~/\.(\w+)$/) {
1861: $Apache::lonhomework::type=$1;
1862: &Apache::lonxml::debug("Using type of $1");
1863: } else {
1864: $Apache::lonhomework::type='problem';
1865: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1866: }
1.87 albertel 1867: }
1.301 albertel 1868: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1869:
1.363 albertel 1870: &initialize_storage();
1.389 albertel 1871: if ($target ne 'analyze'
1872: && $env{'request.state'} eq 'construct') {
1873: &set_problem_state('0');
1874: }
1875:
1.366 albertel 1876: if ($target eq 'web') {
1877: &Apache::lonxml::debug(" grading history ");
1878: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1879: }
1.363 albertel 1880:
1.159 albertel 1881: #added vars to the scripting enviroment
1.213 albertel 1882: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1883: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1884: &Apache::run::run($expression,$safeeval);
1.159 albertel 1885: my $status;
1886: my $accessmsg;
1.508 raeburn 1887: my $resource_due;
1.159 albertel 1888:
1.343 albertel 1889: my $name= &get_resource_name($parstack,$safeeval);
1.512.2.16 raeburn 1890: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres);
1.506 raeburn 1891:
1892: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1893: $target eq 'tex') {
1894: if ($env{'form.markaccess'}) {
1895: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.512.2.24.2. (raeburn 1896:): my ($timelimit) = ($interval[0] =~ /^(\d+)/);
1897:): my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit);
1.512.2.16 raeburn 1898: unless (($is_set eq 'ok') || ($is_set eq 'already_set')) {
1899: $firstaccres = $is_set;
1900: }
1.506 raeburn 1901: }
1902: }
1903:
1.354 albertel 1904: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1905: || $target eq 'edit') {
1.512.2.9 raeburn 1906: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1907: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1908: $name);
1.512.2.24.2. (raeburn 1909:): } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
1910:): ($target eq 'answer')) {
1.512.2.9 raeburn 1911: my ($symb)= &Apache::lonnet::whichuser();
1.512.2.22 raeburn 1912: if ($symb ne '') {
1913: my $navmap = Apache::lonnavmaps::navmap->new();
1914: if (ref($navmap)) {
1915: my $res = $navmap->getBySymb($symb);
1916: if (ref($res)) {
1917: $probpartlist = $res->parts();
1918: }
1.512.2.9 raeburn 1919: }
1920: }
1.350 albertel 1921: }
1922:
1.512.2.24.2. (raeburn 1923:): if (($target eq 'web') && ($env{'request.user_in_effect'})) {
1924:): &Apache::lonxml::get_all_text("/problem",$parser,$style);
1925:): return $result;
1926:): }
1927:):
1928:): if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1929:): $target eq 'tex') {
1930:):
1931:): my ($symb)= &Apache::lonnet::whichuser();
1932:): ($status,$accessmsg,$slot_name,$slot) =
1933:): &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
1934:): push (@Apache::inputtags::status,$status);
1935:): }
1936:):
1.284 albertel 1937: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1938:
1.479 raeburn 1939: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1940: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1941: $target eq 'tex') {
1.479 raeburn 1942:
1.512.2.22 raeburn 1943: my ($symb) = &Apache::lonnet::whichuser();
1.159 albertel 1944: #handle rand seed in construction space
1.512.2.22 raeburn 1945: if (($env{'request.state'} eq 'construct') || ($symb eq '')) {
1946: my $partorder=&Apache::lonnet::metadata($env{'request.uri'},'partorder');
1947: if ($partorder ne '') {
1948: @{$probpartlist} = split(/,/,$partorder);
1949: }
1950: }
1.512.2.9 raeburn 1951: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1952: if (($target eq 'grade') && &Apache::response::submitted()) {
1953: if ($Apache::lonhomework::type eq 'randomizetry') {
1954: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1955: } else {
1956: my @parts;
1957: if (ref($probpartlist) eq 'ARRAY') {
1958: @parts = @{$probpartlist};
1959: }
1960: unless (@parts) {
1961: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1962: }
1963: }
1964: }
1.479 raeburn 1965:
1.333 albertel 1966: if ($env{'request.state'} ne "construct" &&
1967: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.512.2.20 raeburn 1968: my $rndseedval = $rndseed;
1969: if (($symb eq '') && ($Apache::lonhomework::type eq 'randomizetry')) {
1970: $rndseedval = $env{'form.rndseed'};
1971: }
1.162 albertel 1972: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.512.2.20 raeburn 1973: $rndseedval.'" />'.
1.512.2.24.2. 3(raebur 1974:4): '<button type="submit" name="resetdata"
1975:4): value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1976: if (exists($env{'form.username'})) {
1977: $form_tag_start.=
1.164 albertel 1978: '<input type="hidden" name="username"
1.284 albertel 1979: value="'.$env{'form.username'}.'" />';
1.334 albertel 1980: }
1.462 raeburn 1981: if ($env{'request.role.adv'}) {
1982: $form_tag_start.= ' <label class="LC_nobreak">'
1983: .'<input type="checkbox" name="showallfoils"';
1984: if (defined($env{'form.showallfoils'})) {
1985: $form_tag_start.=' checked="checked"';
1986: }
1987: $form_tag_start.= ' /> '
1988: .&mt('Show All Foils')
1989: .'</label>';
1990: }
1.417 www 1991: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1992: $form_tag_start.=&practice_problem_header();
1.417 www 1993: }
1.462 raeburn 1994: $form_tag_start.='<hr />';
1.512.2.20 raeburn 1995: }
1996: if (($env{'request.state'} ne "construct") &&
1997: ($Apache::lonhomework::type eq 'randomizetry') &&
1998: ($status eq 'CAN_ANSWER')) {
1.512.2.21 raeburn 1999: my @parts;
2000: if (ref($probpartlist) eq 'ARRAY') {
2001: @parts = @{$probpartlist};
2002: }
2003: unless (@parts) {
2004: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2005: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2006: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries,$symb);
2007: }
1.479 raeburn 2008: }
1.324 albertel 2009:
1.159 albertel 2010: my $expression='$external::datestatus="'.$status.'";';
2011: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
2012: &Apache::run::run($expression,$safeeval);
2013: &Apache::lonxml::debug("Got $status");
1.324 albertel 2014:
1.159 albertel 2015: if (( $status eq 'CLOSED' ) ||
2016: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2017: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 2018: ( $status eq 'BANNED') ||
1.216 albertel 2019: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 2020: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 2021: ( $status eq 'NOTRESERVABLE') ||
2022: ( $status eq 'RESERVABLE') ||
2023: ( $status eq 'RESERVABLE_LATER') ||
1.216 albertel 2024: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 2025: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2026: $style);
1.512.2.24.2. 0(raebur 2027:4): if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
2028:4): $result .= '<p class="LC_error">'.
2029:4): &mt('A problem occurred when trying to start the timer.').'</p>';
2030:4): }
1(raebur 2031:4): $result .= &access_status_msg('problem',$status,$symb,$target,'',$accessmsg);
1.324 albertel 2032: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 2033: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2034: $style);
1.512.2.24.2. 0(raebur 2035:4): $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 2036: } elsif ($target eq 'web') {
1.508 raeburn 2037: if ($status eq 'CAN_ANSWER') {
2038: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
2039: if ($slot_name ne '') {
1.512.2.24.2. 0(raebur 2040:4): $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
2041:4): $env{'request.symb'});
1.508 raeburn 2042: }
2043: if ($resource_due) {
2044: my $time_left = $resource_due - time();
2045: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
2046: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
2047: }
2048: }
2049: }
1.368 albertel 2050: $result.="\n $form_tag_start \t".
1.227 albertel 2051: '<input type="hidden" name="submitted" value="yes" />';
2052: # create a page header and exit
1.284 albertel 2053: if ($env{'request.state'} eq "construct") {
1.512.2.24.2. 4(raebur 2054:4): if ($env{'form.inhibitmenu'} eq 'yes') {
2055:4): # error messages can be useful in any case
2056:4): $result.= &Apache::lonxml::message_location();
2057:4): } else {
2058:4): $result.= &problem_web_to_edit_header($env{'form.rndseed'});
2059:4): }
1.428 raeburn 2060: if ($Apache::lonhomework::type eq 'practice') {
1.512.2.24.2. 3(raebur 2061:4): $result.= '<button type="submit" name="resetdata" '.
2062:4): 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
1.428 raeburn 2063: &practice_problem_header().'<hr />';
1.512.2.19 raeburn 2064: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
2065: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2066: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2067: $result.=&randomizetry_problem_header($problemstatus,$reqtries);
1.428 raeburn 2068: }
1.227 albertel 2069: }
2070: # if we are viewing someone else preserve that info
1.284 albertel 2071: if (defined $env{'form.grade_symb'}) {
1.227 albertel 2072: foreach my $field ('symb','courseid','domain','username') {
2073: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 2074: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 2075: }
1.479 raeburn 2076: foreach my $field ('trial','questiontype') {
2077: if ($env{"form.grade_$field"} ne '') {
2078: $result .= '<input type="hidden" name="grade_'.$field.
2079: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
2080: }
2081: }
1.159 albertel 2082: }
1.490 raeburn 2083: if ($env{'form.grade_imsexport'}) {
2084: $result = '';
2085: }
1.159 albertel 2086: } elsif ($target eq 'tex') {
1.319 foxr 2087: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 2088: $result .= &select_metadata_hyphenation();
1.99 sakharuk 2089: }
1.159 albertel 2090: } elsif ($target eq 'edit') {
1.343 albertel 2091: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 2092: $Apache::lonxml::warnings_error_header=
2093: &mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";
1.159 albertel 2094: my $temp=&Apache::edit::insertlist($target,$token);
2095: $result.=$temp;
2096: } elsif ($target eq 'modified') {
2097: $result=$token->[4];
2098: } else {
2099: # page_start returned a starting result, delete it if we don't need it
2100: $result = '';
1.99 sakharuk 2101: }
1.159 albertel 2102: return $result;
1.9 albertel 2103: }
2104:
2105: sub end_problem {
1.159 albertel 2106: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 2107: my $result;
1.310 foxr 2108:
1.321 albertel 2109: if (!$Apache::lonxml::metamode) {
2110: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 2111: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2112: }
1.319 foxr 2113:
2114: if ($target eq 'tex') {
1.321 albertel 2115: # Figure out the front matter and replace the
2116: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
2117: # this in end_problem because whether or not we display due
2118: # dates depends on whether due dates have already been
2119: # displayed in the problem parts.
2120:
1.319 foxr 2121: my $frontmatter = '';
2122: my $startminipage = '';
2123: if (not $env{'form.problem_split'}=~/yes/) {
2124: $startminipage = '\begin{minipage}{\textwidth}';
2125: }
2126: my $id = $Apache::inputtags::part;
2127: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
2128: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.512.2.9 raeburn 2129: my @packages = split(/,/,$packages);
1.319 foxr 2130: my $allow_print_points = 0;
2131: foreach my $partial_key (@packages) {
2132: if ($partial_key=~m/^part_0$/) {
2133: $allow_print_points=1;
2134: }
2135: }
2136: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2137: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
2138: if (lc($env{'course.'.$env{'request.course.id'}.
2139: '.disableexampointprint'}) eq 'yes') {
2140: $allow_print_points=0;
2141: }
2142: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 2143: my $begin_doc=' \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$env{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent ';
1.500 foxr 2144: &clear_required_languages();
1.319 foxr 2145: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
2146: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
2147:
2148: # Figure out what the due date is and if we need to print
2149: # it in the problem header. We have been logging the
2150: # last due date written to file.
2151:
2152: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2153: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2154: my $duedate_text = &mt('Due date: [_1]'
2155: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2156: my $temp_file;
2157: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2158:
2159: # Figure out what the last printed due date is or set it
2160: # to the epoch if no duedates have been printed.
2161:
2162: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2163: if (-e $filename) {
2164: $temp_file = Apache::File->new($filename);
2165: my @due_file = <$temp_file>;
2166: $due_file_content = $due_file[$#due_file];
2167: chomp $due_file_content;
2168: }
2169:
2170: # We display the due date iff it is not the same as the last
2171: # duedate in problem header ($due_file_content), and
2172: # none of our parts displayed a duedate.
2173: #
2174: my $parts_with_displayduedate;
2175: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2176: $parts_with_displayduedate =
2177: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2178: } else {
2179: $parts_with_displayduedate = 0;
2180: }
2181: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2182: $temp_file = Apache::File->new('>'.$filename);
2183: print $temp_file "$duetime\n";
2184: if (not $env{'request.symb'} =~ m/\.page_/) {
2185: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2186: $frontmatter .= $begin_doc.
1.448 bisitz 2187: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2188: } else {
2189: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2190: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2191: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2192: }
1.319 foxr 2193: }
2194: } else {
1.448 bisitz 2195: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2196: }
2197: } else {
2198: if (not $env{'request.symb'} =~ m/\.page_/) {
2199: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2200: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2201: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2202: }
1.319 foxr 2203: } else {
1.381 albertel 2204: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2205: }
2206: }
2207: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1.512.2.24.2. (raeburn 2208:): } elsif ($target eq 'web') {
2209:): if ($env{'request.user_in_effect'}) {
2210:): &reset_problem_globals('problem');
2211:): $result .= &Apache::lonhtmlcommon::set_compute_end_time();
2212:): return $result;
2213:): }
1.319 foxr 2214: }
2215:
1.159 albertel 2216: my $status=$Apache::inputtags::status['-1'];
2217: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2218: $target eq 'tex') {
1.249 albertel 2219: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2220: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2221: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2222: &Apache::inputtags::grade;
1.324 albertel 2223: } elsif ($status eq 'NEEDS_CHECKIN') {
2224: # no need to grade, and don't want to hide data
1.249 albertel 2225: } else {
2226: # move any submission data to .hidden
2227: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2228: }
1.159 albertel 2229: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2230: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2231: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2232: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2233: # if part is zero, no <part>s existed, so we need show the current
2234: # grading status
2235: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2236: $result.= $gradestatus;
2237: }
2238: if (
1.284 albertel 2239: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2240: ($target eq 'answer') || ($target eq 'tex')
2241: ) {
1.490 raeburn 2242: if (($target ne 'tex') &&
2243: ($env{'form.answer_output_mode'} ne 'tex') &&
2244: (!$env{'form.grade_imsexport'})) {
1.254 www 2245: $result.="</form>";
1.159 albertel 2246: }
2247: if ($target eq 'web') {
1.507 raeburn 2248: #
2249: # Closing </body></html> not added by end_page().
2250: # Added separately at end of this routine, after added
2251: # <script></script> so document will be valid xhtml.
2252: #
2253: $result.= &Apache::loncommon::end_page({'discussion' => 1,
2254: 'notbody' => 1});
1.159 albertel 2255: } elsif ($target eq 'tex') {
1.178 sakharuk 2256: my $endminipage = '';
1.284 albertel 2257: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2258: $endminipage = '\end{minipage}';
2259: }
1.284 albertel 2260: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2261: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2262: } else {
1.262 sakharuk 2263: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2264: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2265: $result .= $endminipage.'\end{document} ';
2266: } else {
1.382 albertel 2267: $result .= $endminipage;
1.262 sakharuk 2268: }
1.159 albertel 2269: }
2270: }
2271: }
1.476 www 2272: if ($target eq 'web') {
1.512.2.21 raeburn 2273: $result.=&Apache::functionplotresponse::init_script();
2274: if ($Apache::lonhomework::default_type eq 'randomizetry') {
2275: my ($symb) = &Apache::lonnet::whichuser();
2276: if ((($env{'request.state'} eq 'construct') || ($symb eq '')) &&
2277: ($status eq 'CAN_ANSWER')) {
2278: unless (@Apache::inputtags::partlist > 1) {
2279: $result.= <<"ENDJS";
2280: <script type="text/javascript">
2281: // <![CDATA[
2282: \$(document).ready(function() {
2283: \$('#LC_randomizetry_header').css('display','block');
2284: });
2285: // ]]>
2286: </script>
2287: ENDJS
2288: }
2289: }
2290: }
1.476 www 2291: }
1.159 albertel 2292: if ($target eq 'grade') {
2293: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2294: &finalize_storage();
2295: }
1.284 albertel 2296: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2297: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2298: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2299: # normally we get it from above, but in CSTR
1.172 albertel 2300: # we always show answer mode too.
1.159 albertel 2301: }
2302: } elsif ($target eq 'meta') {
2303: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2304: @Apache::inputtags::response=();
1.159 albertel 2305: $result=&Apache::response::mandatory_part_meta;
2306: }
1.215 albertel 2307: $result.=&Apache::response::meta_part_order();
1.258 albertel 2308: $result.=&Apache::response::meta_response_order();
1.159 albertel 2309: } elsif ($target eq 'edit') {
2310: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2311: $result .= &problem_edit_footer();
1.320 albertel 2312: } elsif ($target eq 'modified') {
2313: $result .= $token->[2];
1.159 albertel 2314: }
1.155 albertel 2315:
1.284 albertel 2316: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2317: &Apache::inputtags::check_for_duplicate_ids();
2318: }
1.204 albertel 2319:
2320: &reset_problem_globals('problem');
1.159 albertel 2321:
1.502 foxr 2322: #
2323: # This shouild be just above the return so that the
2324: # time put in the javascript is as late as possible in the
2325: # computation:
2326: #
2327: if ($target eq 'web') {
1.512.2.24.2. (raeburn 2328:): $result .= &Apache::lonhtmlcommon::dash_to_minus_js().
2329:): &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2330: #
2331: # Closing tags delayed so any <script></script> tags
2332: # not in head can appear inside body, for valid xhtml.
2333: #
2334: $result .= "</body>\n</html>";
1.502 foxr 2335: }
1.159 albertel 2336: return $result;
1.48 albertel 2337: }
2338:
1.108 albertel 2339:
1.48 albertel 2340: sub start_library {
1.159 albertel 2341: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2342: my ($result,$form_tag_start);
1.371 albertel 2343: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2344: &init_problem_globals('library');
2345: $Apache::lonhomework::type='problem';
2346: }
1.159 albertel 2347: if ($target eq 'edit') {
1.343 albertel 2348: ($result,$form_tag_start)=
2349: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2350: 'Edit');
2351: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2352: my $temp=&Apache::edit::insertlist($target,$token);
2353: $result.=$temp;
2354: } elsif ($target eq 'modified') {
2355: $result=$token->[4];
1.340 albertel 2356: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2357: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2358: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2359: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2360: ($result,$form_tag_start)=
2361: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2362: $name);
1.479 raeburn 2363: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2364: $result.=" \n $form_tag_start".
1.159 albertel 2365: '<input type="hidden" name="submitted" value="yes" />';
2366: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2367: if ($Apache::lonhomework::type eq 'practice') {
1.512.2.24.2. 3(raebur 2368:4): $result.= '<button type="submit" name="resetdata" '.
2369:4): 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
1.428 raeburn 2370: &practice_problem_header().'<hr />';
2371: }
1.159 albertel 2372: }
2373: return $result;
1.48 albertel 2374: }
2375:
2376: sub end_library {
1.159 albertel 2377: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2378: my $result='';
2379: if ($target eq 'edit') {
2380: $result=&problem_edit_footer();
1.371 albertel 2381: } elsif ($target eq 'web'
2382: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2383: && $env{'request.state'} eq "construct") {
1.349 albertel 2384: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.512.2.15 raeburn 2385: } elsif ($target eq 'meta') {
2386: $result.=&Apache::response::meta_response_order();
1.159 albertel 2387: }
1.371 albertel 2388: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2389: &reset_problem_globals('library');
2390: }
1.159 albertel 2391: return $result;
1.197 www 2392: }
2393:
2394: sub start_definetag {
1.326 albertel 2395: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2396:
2397: my $result;
2398:
2399: my $name = $token->[2]->{'name'};
1.326 albertel 2400: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2401: if ($target eq 'web') {
2402: if ($name=~/^\//) {
2403: $result=
2404: '<br /><table class="LC_sty_end"><tr><th>'.
2405: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2406: } else {
2407: $result=
2408: '<br /><table class="LC_sty_begin"><tr><th>'.
2409: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2410: }
2411: $skip = &HTML::Entities::encode($skip, '<>&"');
2412: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2413: }
2414: return $result;
2415: }
2416:
2417: sub end_definetag {
2418: return '';
1.1 albertel 2419: }
2420:
2421: sub start_block {
1.201 albertel 2422: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2423:
2424: my $result;
1.1 albertel 2425:
1.339 albertel 2426: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2427: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2428: my $code = $token->[2]->{'condition'};
1.385 albertel 2429: if (defined($code) && $code ne '') {
1.137 albertel 2430: if (!$Apache::lonxml::default_homework_loaded) {
2431: &Apache::lonxml::default_homework_load($safeeval);
2432: }
1.131 albertel 2433: $result = &Apache::run::run($code,$safeeval);
2434: &Apache::lonxml::debug("block :$code: returned :$result:");
2435: } else {
2436: $result='1';
2437: }
2438: if ( ! $result ) {
1.201 albertel 2439: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2440: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2441: }
2442: $result='';
2443: } elsif ($target eq 'edit') {
2444: $result .=&Apache::edit::tag_start($target,$token);
2445: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2446: $token,40);
2447: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2448: } elsif ($target eq 'modified') {
2449: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2450: $safeeval,'condition');
2451: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2452: }
1.131 albertel 2453: return $result;
1.1 albertel 2454: }
2455:
2456: sub end_block {
1.167 www 2457: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2458: my $result;
2459: if ($target eq "edit") {
2460: $result.= &Apache::edit::tag_end($target,$token,'');
2461: }
2462: return $result;
2463: }
1.500 foxr 2464: #
2465: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2466: # ...
2467: # </languageblock>
2468: #
2469: # This declares the intent to provide content that can be rendered in the
2470: # set of languages in the include specificatino but not in the exclude
2471: # specification. If a currently preferred language is in the include list
2472: # the content in the <languageblock>...</languageblock> is rendered
2473: # If the currently preferred language is in the exclude list,
2474: # the content in the <languageblock>..></languageblock is not rendered.
2475: #
2476: # Pathalogical case handling:
2477: # - Include specified, without the preferred language but exclude specified
2478: # also without the preferred langauge results in rendering the block.
2479: # - Exclude specified without include and excluden not containing a
2480: # preferred language renders the block.
2481: # - Include and exclude both specifying the preferred language does not
2482: # render the block.
2483: # - If neither include/exclude is specified, the block gets rendered.
2484: #
2485: # This tag has no effect when target is in {edit, modified}
2486: #
1.167 www 2487: sub start_languageblock {
1.201 albertel 2488: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2489:
1.500 foxr 2490: my $result = '';
1.167 www 2491:
1.339 albertel 2492: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2493: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2494: my $include = $token->[2]->{'include'};
2495: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2496: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2497:
2498: # This should not even happen, since we should at least have the server language
2499:
2500: if (!$preferred_languages[0]) {
2501: $preferred_languages[0]='en';
2502: }
2503:
2504: # Now loop over all languages in order of preference
2505:
2506: my $render;
1.398 www 2507: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2508:
2509: # If neither include/nor exlude is present the block is going
2510: # to get rendered.
2511:
1.399 www 2512: my $found=0;
1.500 foxr 2513: $render=1;
2514:
2515: # If include is specified, don't render the block
2516: # unless the preferred language is included in the set.
2517:
1.398 www 2518: if ($include) {
1.500 foxr 2519: $render=0;
1.398 www 2520: foreach my $included_language (split(/\,/,$include)) {
2521: if ($included_language eq $preferred_language) {
1.500 foxr 2522: $render=1;
1.399 www 2523: $found=1;
1.500 foxr 2524: last; # Only need to find the first.
1.398 www 2525: }
2526: }
2527: }
1.500 foxr 2528: # Do we have an exclude argument?
2529: # If so, and one of the languages matches a preferred language
2530: # inhibit rendering the block. Note that in the pathalogical case the
2531: # author has specified a preferred language in both the include and exclude
2532: # attribte exclude is preferred.
2533:
1.398 www 2534: if ($exclude) {
1.500 foxr 2535: $render=1;
1.398 www 2536: foreach my $excluded_language (split(/\,/,$exclude)) {
2537: if ($excluded_language eq $preferred_language) {
1.500 foxr 2538: $render=0;
1.399 www 2539: $found=1;
1.500 foxr 2540: last; # Only need to find the first.
1.398 www 2541: }
2542: }
2543: }
1.500 foxr 2544: if ($found) {
2545: last; # Done on any match of include or exclude.
2546: }
1.398 www 2547: }
1.500 foxr 2548: # If $render not true skip the entire block until </languageblock>
2549: #
2550:
2551: if ( ! $render ) {
1.201 albertel 2552: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2553: $style);
2554: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2555: }
1.500 foxr 2556: # If $render is true, we've not skipped the contents of the <languageglock>
2557: # and the normal loncapa processing flow will render it as a matter of course.
2558:
1.167 www 2559: } elsif ($target eq 'edit') {
2560: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2561: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2562: $token,40);
1.211 albertel 2563: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2564: $token,40);
2565: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2566: } elsif ($target eq 'modified') {
2567: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2568: $safeeval,'include',
2569: 'exclude');
1.167 www 2570: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2571: }
2572: return $result;
2573: }
2574:
2575: sub end_languageblock {
1.170 www 2576: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2577: my $result;
1.201 albertel 2578: if ($target eq "edit") {
1.170 www 2579: $result.= &Apache::edit::tag_end($target,$token,'');
2580: }
2581: return $result;
2582: }
1.500 foxr 2583: # languagblock specific tags:
2584: {
2585: # For chunks of a resource that has translations, this hash contains
2586: # the translations available indexed by language name.
2587: #
2588:
2589: my %available_texts;
1.170 www 2590:
1.500 foxr 2591: # <translated> starts a block of a resource that has multiple translations.
2592: # See the <lang> tag as well.
2593: # When </translated> is encountered if there is a translation for the
2594: # currently preferred language, that is rendered inthe web/tex/webgrade
2595: # targets. Otherwise, the default text is rendered.
2596: #
2597: # Note that <lang> is only registered for the duration of the
2598: # <translated>...</translated> block
2599: #
2600: # Pathalogical case handling:
2601: # - If there is no <lang> that specifies a 'default' and there is no
2602: # translation that matches a preferred language, nothing is rendered.
2603: # - Nested <translated>...</translated> might be linguistically supported by
2604: # XML due to the stack nature of tag registration(?) however the rendered
2605: # output will be incorrect because there is only one %available_texts
2606: # has and end_translated clears it.
2607: # - Material outside of a <lang>...</lang> block within the
2608: # <translated>...<translated> block won't render either e.g.:
2609: # <translated>
2610: # The following will be in your preferred langauge:
2611: # <lang which='en'>
2612: # This section in english
2613: # </lang>
2614: # <lang which='sgeiso'>
2615: # Hier es ist auf Deutsch.
2616: # </lang>
2617: # <lang which='sfriso'>
2618: # En Francais
2619: # </lang>
2620: # </translated>
2621: #
2622: # The introductory text prior to the first <lang> tag is not rendered.
2623: #
1.397 albertel 2624: sub start_translated {
2625: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2626: &Apache::lonxml::register('Apache::structuretags',('lang'));
2627: undef(%available_texts);
2628: }
2629:
2630: sub end_translated {
2631: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2632: my $result;
2633: #show the translation on viewable targets
2634: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2635: # or non-viewable targets, if it's embedded in something that
2636: # wants the output
2637: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2638: && &Apache::lonxml::in_redirection() ) ) {
2639: my @possibilities = keys(%available_texts);
2640: my $which =
2641: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2642: if ($target eq 'tex') {
2643: $result = &select_hyphenation($which);
2644: }
2645: $result .= $available_texts{$which};
2646: if ($target eq 'tex') {
2647: $result .= &select_metadata_hyphenation(); # Restore original language.
2648: }
1.397 albertel 2649: }
2650: undef(%available_texts);
2651: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2652: return $result;
2653: }
2654:
1.500 foxr 2655: # <lang [which='language-name'] [other='lang1,lang2...']>
2656: # Specifies that the block contained within it is a translation
2657: # for a specific language specified by the 'which' attribute. The
2658: # 'other' attribute can be used by itself or in conjunction with
2659: # which to specify this tag _may_ be used as a translation for some
2660: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2661: # specifying that the block provides a translation for US (primary)
2662: # Canadian, Australian and UK Englush.
2663: #
2664: # Comment: this seems a bit silly why not just support a list of languages
2665: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2666: #
2667: # Effect:
2668: # The material within the <lang>..</lang> block is stored in the
2669: # specified set of $available_texts hash entries, the appropriate one
2670: # is selected at </translated> time.
2671: #
2672: # Pathalogical case handling:
2673: # If a language occurs multiple times within a <translated> block,
2674: # only the last one is rendered e.g.:
2675: #
2676: # <translated>
2677: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2678: # Red green color blindness is quite common affecting about 7.8% of
2679: # the male population, but onloy about .65% of the female population.
2680: # </lang>
2681: # Red green colour blindness is quite common affecting about 7.8% of
2682: # the male population, but onloy about .65% of the female population.
2683: # <lang which='seniso', other='senisoCA,senisoAU'>
2684: # </translated>
2685: #
2686: # renders the correct spelling of color (colour) for people who have specified
2687: # a preferred language that is one of the British Commonwealth languages
2688: # even though those are also listed as valid selections for the US english
2689: # <lang> block.
2690: #
1.397 albertel 2691: sub start_lang {
2692: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2693: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2694: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2695: &Apache::lonxml::startredirection();
2696: }
2697: return '';
2698: }
2699:
2700: sub end_lang {
2701: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2702: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2703: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2704: my $result = &Apache::lonxml::endredirection();
2705: my $which = &Apache::lonxml::get_param('which',$parstack,
2706: $safeeval);
1.431 raeburn 2707: if ($which=~/\w/) {
2708: $available_texts{$which} = $result;
2709: }
2710: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2711: $safeeval);
2712: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2713: if ($language=~/\w/) {
2714: $available_texts{$language} = $result;
2715: }
1.427 bisitz 2716: }
2717:
1.397 albertel 2718: }
2719: return '';
2720: }
1.500 foxr 2721: } # end langauge block specific tags.
2722:
1.397 albertel 2723:
1.170 www 2724: sub start_instructorcomment {
1.201 albertel 2725: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2726:
2727: my $result;
2728:
1.339 albertel 2729: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2730: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2731: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2732: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2733: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2734: $parser,$style);
1.170 www 2735: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2736: }
2737: $result='';
2738: } elsif ($target eq 'edit') {
2739: $result .=&Apache::edit::tag_start($target,$token);
2740: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2741: }
2742: return $result;
2743: }
2744:
2745: sub end_instructorcomment {
1.159 albertel 2746: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2747: my $result;
2748: if ($target eq "edit") {
2749: $result.= &Apache::edit::tag_end($target,$token,'');
2750: }
2751: return $result;
1.4 tsai 2752: }
2753:
2754: sub start_while {
1.326 albertel 2755: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2756:
1.160 albertel 2757: my $result;
1.339 albertel 2758: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2759: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2760: my $code = $token->[2]->{'condition'};
1.4 tsai 2761:
1.160 albertel 2762: push( @Apache::structuretags::whileconds, $code);
2763: if (!$Apache::lonxml::default_homework_loaded) {
2764: &Apache::lonxml::default_homework_load($safeeval);
2765: }
2766: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2767: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2768: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2769: push( @Apache::structuretags::whileline, $token->[5]);
2770: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2771: if ( $result ) {
2772: &Apache::lonxml::newparser($parser,\$bodytext);
2773: }
2774: } elsif ($target eq 'edit') {
2775: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2776: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2777: $token,40);
2778: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2779: } elsif ($target eq 'modified') {
2780: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2781: $safeeval,'condition');
2782: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2783: }
1.160 albertel 2784: return $result;
1.4 tsai 2785: }
2786:
2787: sub end_while {
1.159 albertel 2788: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2789: my $result;
2790:
1.339 albertel 2791: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2792: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2793: my $code = pop(@Apache::structuretags::whileconds);
2794: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2795: my $line = pop(@Apache::structuretags::whileline);
2796: my $return = &Apache::run::run($code,$safeeval);
2797: my $starttime=time;
2798: my $error=0;
2799: while ($return) {
2800: if (time-$starttime >
2801: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2802: $return = 0; $error=1; next;
1.161 albertel 2803: }
2804: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2805: if ($target eq 'grade' || $target eq 'answer' ||
2806: $target eq 'analyze') {
2807: # grade/answer/analyze should produce no output but if we
2808: # are redirecting, the redirecter should know what to do
2809: # with the output
2810: if (!$Apache::lonxml::redirection) { undef($result); }
2811: }
1.161 albertel 2812: $return = &Apache::run::run($code,$safeeval);
2813: }
1.512.2.5 raeburn 2814: if ($error) {
2815: &Apache::lonxml::error(
2816: '<pre>'
2817: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2818: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2819: .&mt('This occurred while running <while> on line [_1].',
2820: $line)
2821: .'</pre>');
2822: }
1.160 albertel 2823: } elsif ($target eq "edit") {
2824: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2825: }
1.160 albertel 2826: return $result;
1.1 albertel 2827: }
1.6 tsai 2828:
1.160 albertel 2829: # <randomlist show="1">
1.6 tsai 2830: # <tag1>..</tag1>
2831: # <tag2>..</tag2>
2832: # <tag3>..</tag3>
1.160 albertel 2833: # ...
1.6 tsai 2834: # </randomlist>
2835: sub start_randomlist {
1.326 albertel 2836: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2837: my $result;
1.339 albertel 2838: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2839: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2840: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2841: my $b_parser= HTML::LCParser->new(\$body);
2842: $b_parser->xml_mode(1);
2843: $b_parser->marked_sections(1);
1.159 albertel 2844: my $b_tok;
2845: my @randomlist;
2846: my $list_item;
2847: while($b_tok = $b_parser->get_token() ) {
2848: if($b_tok->[0] eq 'S') { # start tag
2849: # get content of the tag until matching end tag
2850: # get all text upto the matching tag
2851: # and push the content into @randomlist
2852: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2853: $b_parser);
2854: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2855: push(@randomlist,$list_item);
2856: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2857: # $list_item</b>";
2858: }
2859: if($b_tok->[0] eq 'T') { # text
2860: # what to do with text in between tags?
2861: # print "<b>TEXT $b_tok->[1]</b><br />";
2862: }
2863: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2864: # print "<b>END-TAG $b_tok->[1]</b><br />";
2865: # }
2866: }
1.303 albertel 2867: if (@randomlist) {
2868: my @idx_arr = (0 .. $#randomlist);
1.512.2.14 raeburn 2869: if ($env{'form.code_for_randomlist'}) {
2870: &Apache::structuretags::shuffle(\@idx_arr,$target);
2871: undef($env{'form.code_for_randomlist'});
2872: } else {
2873: &Apache::structuretags::shuffle(\@idx_arr);
2874: }
1.303 albertel 2875: my $bodytext = '';
2876: my $show=$#randomlist;
2877: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2878: $showarg--;
2879: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2880: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2881: my @currlist;
2882: my $part = $Apache::inputtags::part;
2883: if ($part ne '') {
2884: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2885: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2886: if (!(grep(/^\Q$part\E$/,@currlist))) {
2887: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2888: }
2889: } else {
2890: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2891: }
2892: }
2893: }
1.512.2.9 raeburn 2894: for my $i (0 .. $show) {
2895: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2896: }
2897: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2898: }
2899: } elsif ($target eq 'edit' ) {
2900: $result .=&Apache::edit::tag_start($target,$token);
2901: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2902: $token,5);
2903: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2904: } elsif ($target eq 'modified' ) {
2905: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2906: $safeeval,'show');
2907: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2908: }
2909: return $result;
1.7 tsai 2910: }
2911:
2912: sub shuffle {
1.512.2.14 raeburn 2913: my ($a,$target) = @_;
1.7 tsai 2914: my $i;
1.303 albertel 2915: if (ref($a) eq 'ARRAY' && @$a) {
1.512.2.14 raeburn 2916: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2917: for($i=@$a;--$i;) {
2918: my $j=int(&Math::Random::random_uniform() * ($i+1));
2919: next if $i == $j;
2920: @$a[$i,$j] = @$a[$j,$i];
2921: }
1.251 albertel 2922: &Apache::response::poprandomnumber();
1.7 tsai 2923: }
1.6 tsai 2924: }
2925:
2926: sub end_randomlist {
1.159 albertel 2927: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2928: my $result;
2929: if ($target eq 'edit' ) {
2930: $result=&Apache::edit::tag_end($target,$token,
2931: 'End Randomly Parsed Block');
2932: }
2933: return $result;
1.6 tsai 2934: }
2935:
1.283 albertel 2936: sub ordered_show_check {
2937: my $last_part=$Apache::inputtags::partlist[-2];
2938: my $in_order=
2939: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2940: my $in_order_show=1;
2941: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2942: $in_order_show=&Apache::response::check_status($last_part);
2943: }
2944: return $in_order_show;
2945: }
2946:
1.469 www 2947:
2948: sub start_startpartmarker {
2949: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2950: my $result='';
2951: if ($target eq 'edit') {
2952: $result=&Apache::edit::tag_start($target,$token);
2953: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2954: $result.=&Apache::edit::end_table();
2955:
2956: }
2957: return $result;
2958: }
2959:
2960: sub end_startpartmarker {
2961: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2962: my @result;
2963: if ($target eq 'edit') { $result[1]='no'; }
2964: return @result;
2965: }
2966:
2967: sub start_endpartmarker {
2968: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2969: my $result='';
2970: if ($target eq 'edit') {
2971: $result=&Apache::edit::tag_start($target,$token);
2972: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
2973: $result.=&Apache::edit::end_table();
2974:
2975: }
2976: return $result;
2977: }
2978:
2979: sub end_endpartmarker {
2980: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2981: my @result;
2982: if ($target eq 'edit') { $result[1]='no'; }
2983: return @result;
2984: }
2985:
2986:
2987:
2988:
2989:
1.11 albertel 2990: sub start_part {
1.326 albertel 2991: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 2992: if (!$Apache::lonxml::metamode) {
2993: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
2994: # duedates.
2995: }
1.159 albertel 2996: my $result='';
1.386 albertel 2997: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 2998: $Apache::inputtags::part=$id;
1.177 albertel 2999: push(@Apache::inputtags::partlist,$id);
1.512.2.10 raeburn 3000: $Apache::inputtags::leniency='';
1.177 albertel 3001: @Apache::inputtags::response=();
1.159 albertel 3002: @Apache::inputtags::previous=();
3003: @Apache::inputtags::previous_version=();
1.405 albertel 3004: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 3005: &Apache::response::reset_params();
3006:
1.159 albertel 3007: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 3008: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
3009: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.512.2.9 raeburn 3010: if ($Apache::lonhomework::type eq 'randomizetry') {
3011: my $rndseed=&setup_rndseed($safeeval,$target);
3012: if (($target eq 'grade') && &Apache::response::submitted()) {
3013: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
3014: }
3015: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
3016: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
3017: }
1.283 albertel 3018: my $in_order_show=&ordered_show_check();
1.214 albertel 3019: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 3020: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 3021: &Apache::run::run($expression,$safeeval);
1.159 albertel 3022:
3023: if ($target eq 'meta') {
1.224 www 3024: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
3025: return &Apache::response::mandatory_part_meta.
3026: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 3027: } elsif ($target eq 'web' || $target eq 'grade' ||
3028: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 3029: if ($hidden || !$in_order_show) {
1.326 albertel 3030: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 3031: } else {
3032: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
3033: push (@Apache::inputtags::status,$status);
3034: my $expression='$external::datestatus="'.$status.'";';
3035: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
3036: &Apache::run::run($expression,$safeeval);
1.284 albertel 3037: if ($env{'request.state'} eq 'construct') {
1.241 albertel 3038: &set_problem_state($Apache::inputtags::part);
1.240 albertel 3039: }
1.216 albertel 3040: if (( $status eq 'CLOSED' ) ||
3041: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 3042: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 3043: ( $status eq 'BANNED') ||
3044: ( $status eq 'UNAVAILABLE') ||
3045: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 3046: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
3047: $style);
1.159 albertel 3048: if ( $target eq "web" ) {
1.211 albertel 3049: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 3050: } elsif ( $target eq 'tex' ) {
1.284 albertel 3051: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 3052: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 3053: } else {
1.211 albertel 3054: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 3055: }
1.159 albertel 3056: }
3057: } else {
3058: if ($target eq 'tex') {
1.284 albertel 3059: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 3060: if ($$tagstack[-2] eq 'td') {
1.388 foxr 3061: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 3062: } else {
3063: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
3064: }
1.195 sakharuk 3065: }
1.159 albertel 3066: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 3067: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.512.2.9 raeburn 3068: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 3069: my $allow_print_points = 0;
3070: foreach my $partial_key (@allkeys) {
1.230 albertel 3071: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 3072: if ($1 ne '0') {$allow_print_points=1;}
3073: }
3074: }
1.275 albertel 3075: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
3076: if (defined($maxtries) && $maxtries < 0) {
3077: $allow_print_points=0;
3078: }
1.302 albertel 3079: if (lc($env{'course.'.$env{'request.course.id'}.
3080: '.disableexampointprint'}) eq 'yes') {
3081: $allow_print_points=0;
3082: }
1.463 foxr 3083: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 3084: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 3085:
3086: }
1.233 www 3087: } elsif ($target eq 'web') {
1.479 raeburn 3088: if ($status eq 'CAN_ANSWER') {
3089: my $problemstatus = &get_problem_status($Apache::inputtags::part);
3090: my $num = scalar(@Apache::inputtags::partlist)-1;
1.512.2.21 raeburn 3091: if ((($Apache::lonhomework::default_type eq 'randomizetry') ||
3092: ($Apache::lonhomework::randomizetrypart)) &&
3093: ($Apache::lonhomework::type ne 'randomizetry')) {
3094: $result .= &randomizetry_part_header($problemstatus,'none',$num);
3095: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
3096: $Apache::lonhomework::randomizetrypart = 1;
3097: my $reqtries = &Apache::lonnet::EXT("resource.$id.randomizeontries");
1.479 raeburn 3098: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
3099: }
3100: }
1.475 raeburn 3101: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 3102: }
3103: }
3104: }
3105: } elsif ($target eq 'edit') {
3106: $result.=&Apache::edit::tag_start($target,$token);
3107: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
3108: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 3109: ' '.
3110: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 3111: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
3112: } elsif ($target eq 'modified') {
3113: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 3114: $safeeval,'id','display');
1.159 albertel 3115: if ($constructtag) {
1.225 albertel 3116: #limiting ids to only letters numbers, and space
1.224 www 3117: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 3118: $result = &Apache::edit::rebuild_tag($token);
3119: }
3120: }
3121: return $result;
1.11 albertel 3122: }
3123:
3124: sub end_part {
1.159 albertel 3125: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3126: &Apache::lonxml::debug("in end_part $target ");
3127: my $status=$Apache::inputtags::status['-1'];
3128: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 3129: my $in_order_show=&ordered_show_check();
1.321 albertel 3130: my $result;
3131: if (!$Apache::lonxml::metamode) {
3132: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 3133: $Apache::lonxml::post_evaluate=0;
1.321 albertel 3134: }
1.312 albertel 3135: if ($target eq 'grade') {
1.249 albertel 3136: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 3137: !$hidden && $in_order_show) {
1.311 foxr 3138: $result.=&Apache::inputtags::grade;
1.249 albertel 3139: } else {
3140: # move any submission data to .hidden
3141: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3142: }
1.283 albertel 3143: } elsif (($target eq 'web' || $target eq 'tex') &&
3144: !$hidden && $in_order_show) {
1.159 albertel 3145: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3146: $target);
1.490 raeburn 3147: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3148: ($env{'form.grade_imsexport'})) {
1.212 albertel 3149: $gradestatus='';
3150: }
1.311 foxr 3151: $result.=$gradestatus;
1.512.2.24.2. (raeburn 3152:): if ($$tagstack[-2] eq 'td' and $target eq 'tex') {
3153:): if (not $env{'form.problem_split'}=~/yes/) {
3154:): $result.='\end{minipage}';
3155:): }
3156:): }
1.181 albertel 3157: } elsif ($target eq 'edit') {
1.311 foxr 3158: $result.=&Apache::edit::end_table();
1.322 albertel 3159: } elsif ($target eq 'modified') {
3160: $result .= $token->[2];
1.159 albertel 3161: }
3162: pop @Apache::inputtags::status;
3163: $Apache::inputtags::part='';
1.512.2.10 raeburn 3164: $Apache::inputtags::leniency='';
1.295 albertel 3165: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3166: return $result;
1.11 albertel 3167: }
1.1 albertel 3168:
1.25 albertel 3169: sub start_preduedate {
1.326 albertel 3170: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3171: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3172: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3173: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3174: if (!$Apache::lonhomework::scantronmode &&
3175: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3176: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3177: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3178: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3179: }
1.24 albertel 3180: }
1.159 albertel 3181: return '';
1.24 albertel 3182: }
3183:
1.25 albertel 3184: sub end_preduedate {
1.159 albertel 3185: return '';
1.24 albertel 3186: }
3187:
1.369 foxr 3188: # In all the modes where <postanswerdate> text is
3189: # displayable, all we do is eat up the text between the start/stop
3190: # tags if the conditions are not right to display it.
1.25 albertel 3191: sub start_postanswerdate {
1.326 albertel 3192: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3193: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3194: &Apache::lonnet::allowed('pav',
3195: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3196: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3197: $target eq 'tex' ) {
1.300 albertel 3198: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3199: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3200: (($target eq 'tex') && !$pav)) {
1.326 albertel 3201: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3202: }
3203: }
3204: return '';
1.24 albertel 3205: }
3206:
1.25 albertel 3207: sub end_postanswerdate {
1.159 albertel 3208: return '';
1.24 albertel 3209: }
3210:
1.25 albertel 3211: sub start_notsolved {
1.326 albertel 3212: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3213: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3214: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3215: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3216: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3217: if ($gradestatus =~ /^correct/ &&
3218: &Apache::response::show_answer()) {
1.159 albertel 3219: &Apache::lonxml::debug("skipping");
1.326 albertel 3220: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3221: }
1.24 albertel 3222: }
1.159 albertel 3223: return '';
1.24 albertel 3224: }
3225:
1.25 albertel 3226: sub end_notsolved {
1.159 albertel 3227: return '';
1.24 albertel 3228: }
3229:
3230: sub start_solved {
1.326 albertel 3231: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3232: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3233: $target eq 'tex') {
3234: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3235: if ($gradestatus !~ /^correct/ ||
3236: !&Apache::response::show_answer()) {
1.326 albertel 3237: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3238: }
1.24 albertel 3239: }
1.159 albertel 3240: return '';
1.24 albertel 3241: }
3242:
3243: sub end_solved {
1.248 albertel 3244: return '';
3245: }
3246:
3247: sub start_problemtype {
1.326 albertel 3248: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3249: my $result;
1.339 albertel 3250: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3251: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3252: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3253: if (!defined($mode)) { $mode='show'; }
3254: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3255: my $found=0;
3256: foreach my $type (split(',',$for)) {
3257: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3258: }
3259: if ($mode eq 'show' && !$found) {
1.326 albertel 3260: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3261: }
3262: if ($mode eq 'hide' && $found) {
1.326 albertel 3263: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3264: }
3265: } elsif ($target eq 'edit') {
3266: $result .=&Apache::edit::tag_start($target,$token);
3267: $result.=&Apache::edit::select_arg('Mode:','mode',
3268: [['show','Show'],
3269: ['hide','Hide']]
3270: ,$token);
3271: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.512.2.2 raeburn 3272: [ ['exam','Exam/Quiz Problem'],
1.248 albertel 3273: ['survey','Survey'],
1.465 raeburn 3274: ['surveycred','Survey (with credit)'],
3275: ['anonsurvey','Anonymous Survey'],
3276: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3277: ['problem','Homework Problem'],
1.479 raeburn 3278: ['practice','Practice Problem'],
3279: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3280: ,$token);
3281: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3282: } elsif ($target eq 'modified') {
3283: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3284: $safeeval,'mode','for');
3285: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3286: }
3287: return $result;
3288: }
3289:
3290: sub end_problemtype {
1.159 albertel 3291: return '';
1.24 albertel 3292: }
1.34 albertel 3293:
3294: sub start_startouttext {
1.159 albertel 3295: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3296: my @result=(''.'');
3297: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3298:
3299: my $nesting =
3300: &Apache::lonxml::set_state('outtext',
3301: &Apache::lonxml::get_state('outtext')+1);
3302: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3303: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3304: }
1.159 albertel 3305: return (@result);
1.34 albertel 3306: }
1.159 albertel 3307:
1.34 albertel 3308: sub end_startouttext {
1.326 albertel 3309: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3310: my $result='';
3311: my $text='';
3312: if ($target eq 'edit') {
1.424 foxr 3313: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3314: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.512.2.11 raeburn 3315: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3316: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3317: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3318: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3319: .'</span></td>'
1.512.2.12 raeburn 3320: .'<td><span id="math_'.$areaid.'">';
1.512.2.24.2. 3(raebur 3321:4): if (&Apache::loncommon::nocodemirror()) {
1.512.2.12 raeburn 3322: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3323: } else {
3324: $result.=' ';
3325: }
3326: $result.='</span></td>'
1.474 raeburn 3327: .'<td>'
3328: .&Apache::edit::insertlist($target,$token)
3329: .'</td>'
1.512.2.5 raeburn 3330: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3331: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3332: &Apache::edit::end_row().
1.362 albertel 3333: &Apache::edit::start_spanning_row()."\n".
1.255 www 3334: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3335: }
3336: if ($target eq 'modified') {
1.219 albertel 3337: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3338: }
3339: if ($target eq 'tex') {
3340: $result .= '\noindent ';
3341: }
3342: return $result;
1.34 albertel 3343: }
1.159 albertel 3344:
1.34 albertel 3345: sub start_endouttext {
1.159 albertel 3346: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3347: my $result='';
3348: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3349: if ($target eq "modified") {
3350: $result='<endouttext />'.
1.377 albertel 3351: &Apache::edit::handle_insertafter('startouttext');
3352: }
1.404 albertel 3353:
3354: my $nesting =
3355: &Apache::lonxml::set_state('outtext',
3356: &Apache::lonxml::get_state('outtext')-1);
3357: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3358: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3359: &Apache::lonxml::set_state('outtext', 0);
3360: }
1.159 albertel 3361: return $result;
1.34 albertel 3362: }
1.159 albertel 3363:
1.34 albertel 3364: sub end_endouttext {
1.159 albertel 3365: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3366: my @result=('','');
3367: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3368: return (@result);
1.34 albertel 3369: }
1.159 albertel 3370:
1.45 albertel 3371: sub delete_startouttext {
1.326 albertel 3372: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3373: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3374: my $text=$$parser['-1']->get_text("/endouttext");
3375: my $ntoken=$$parser['-1']->get_token();
3376: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3377: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3378: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3379: # they did the last time round
3380: &Apache::lonxml::increasedepth($ntoken);
3381: &Apache::lonxml::decreasedepth($ntoken);
3382: return 1;
1.193 www 3383: }
3384:
3385: sub start_simpleeditbutton {
3386: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3387: my $result='';
1.284 albertel 3388: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3389: ($target eq 'web') &&
1.330 albertel 3390: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3391: my $url=$env{'request.noversionuri'};
1.193 www 3392: $url=~s/\?.*$//;
1.367 albertel 3393: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3394: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3395: # $result='<p class="LC_warning">'
3396: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3397: # .&Apache::loncommon::help_open_topic('Caching')
3398: # .'</p>';
1.486 www 3399: $result.=&Apache::loncommon::head_subbox(
3400: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3401: .&Apache::lonhtmlcommon::add_item_funclist(
3402: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3403: .&mt('Edit').'</a>')
1.486 www 3404: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3405:
1.193 www 3406: }
3407: return $result;
3408: }
3409:
3410: sub end_simpleeditbutton {
3411: return '';
1.45 albertel 3412: }
1.34 albertel 3413:
1.428 raeburn 3414: sub practice_problem_header {
3415: return '<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
3416: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3417: '</span>';
3418: }
3419:
1.479 raeburn 3420: sub randomizetry_problem_header {
1.512.2.21 raeburn 3421: my ($problemstatus,$reqtries,$symb) = @_;
1.479 raeburn 3422: my ($header,$text);
3423: if ($reqtries > 1) {
3424: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3425: if (($problemstatus eq 'no') ||
3426: ($problemstatus eq 'no_feedback_ever')) {
3427: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3428: } else {
3429: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3430: }
3431: } else {
3432: $header = &mt('New Problem Variation Each Try');
3433: if (($problemstatus eq 'no') ||
3434: ($problemstatus eq 'no_feedback_ever')) {
3435: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3436:
3437: } else {
3438: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3439: }
3440: }
1.512.2.21 raeburn 3441: if (($env{'request.state'} eq "construct") || ($symb eq '')) {
3442: return '<div class="LC_info" id="LC_randomizetry_header" style="display:none">'.
3443: '<h3>'.$header.'</h3><span class="LC_info">'.$text.'</span><hr /></div>';
3444: } else {
3445: return '<h3 class="LC_info">'.$header.'</h3>'.
3446: '<span class="LC_info">'.$text.'</span><hr />';
3447: }
1.479 raeburn 3448: }
3449:
3450: sub randomizetry_part_header {
3451: my ($problemstatus,$reqtries,$num) = @_;
3452: my ($header,$text);
3453: if ($reqtries eq 'none') {
3454: $header = &mt('No Question Variation');
1.512.2.23 raeburn 3455: $text = &mt('For this question there will be no new variation after a try.');
1.479 raeburn 3456: } elsif ($reqtries > 1) {
3457: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3458: if (($problemstatus eq 'no') ||
3459: ($problemstatus eq 'no_feedback_ever')) {
3460: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3461: } else {
3462: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3463: }
3464: } else {
3465: $header = &mt('New Question Variation For Each Try');
3466: if (($problemstatus eq 'no') ||
3467: ($problemstatus eq 'no_feedback_ever')) {
3468: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3469: } else {
3470: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3471: }
3472: }
3473: my $output;
3474: if ($num > 1) {
3475: $output .= '<hr />';
3476: }
3477: $output .= '<span class="LC_info"><h4>'.$header.'</h4></span>'.
3478: '<span class="LC_info">'.$text.'</span><br /><br />';
3479: return $output;
3480: }
3481:
1.1 albertel 3482: 1;
3483: __END__
1.435 jms 3484:
3485: =pod
3486:
3487: =back
3488:
3489: =cut
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