Annotation of loncom/homework/structuretags.pm, revision 1.461.2.1
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.461.2.1! raeburn 4: # $Id: structuretags.pm,v 1.461 2009/12/06 21:18:24 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();
1.267 albertel 64: use Time::HiRes qw( gettimeofday tv_interval );
1.356 www 65: use lib '/home/httpd/lib/perl/';
66: use LONCAPA;
67:
1.78 harris41 68: BEGIN {
1.397 albertel 69: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));
1.10 albertel 70: }
71:
72: sub start_web {
1.326 albertel 73: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.383 albertel 74: if ($target ne 'edit' && $target ne 'modified') {
75: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
76: if ($target eq 'web' || $target eq 'webgrade') {
77: return $bodytext;
78: }
79: } elsif ($target eq "edit" ) {
80: my $bodytext =
81: &Apache::lonxml::get_all_text_unbalanced("/web",$parser);
82: my $result = &Apache::edit::tag_start($target,$token);
83: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
84: return $result;
85: } elsif ( $target eq "modified" ) {
86: return $token->[4].&Apache::edit::modifiedfield("/web",$parser);
1.159 albertel 87: }
88: return '';
1.10 albertel 89: }
90:
91: sub end_web {
1.44 ng 92: return '';
1.10 albertel 93: }
94:
95: sub start_tex {
1.326 albertel 96: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.198 sakharuk 97: my $result='';
1.383 albertel 98: if ($target ne 'edit' && $target ne 'modified') {
99: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
100: if ($target eq 'tex') {
1.434 foxr 101:
102: # If inside a table, occurrences of \\ must be removed;
103: # else the table blows up.
104:
105: if (&Apache::londefdef::is_inside_of($tagstack, "table")) {
106: $bodytext =~ s/\\\\//g;
107: }
1.432 foxr 108: return $bodytext.'{}';
1.383 albertel 109: }
110: } elsif ($target eq "edit" ) {
111: my $bodytext =
112: &Apache::lonxml::get_all_text_unbalanced("/tex",$parser);
113: my $result = &Apache::edit::tag_start($target,$token);
114: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
115: return $result;
116: } elsif ( $target eq "modified" ) {
117: return $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
1.159 albertel 118: }
1.198 sakharuk 119: return $result;;
1.10 albertel 120: }
121:
122: sub end_tex {
1.44 ng 123: return '';
1.9 albertel 124: }
125:
1.400 albertel 126: sub homework_js {
127: return &Apache::loncommon::resize_textarea_js().
1.416 raeburn 128: &setmode_javascript().
1.400 albertel 129: <<'JS';
130: <script type="text/javascript">
131: function setSubmittedPart (part) {
132: this.document.lonhomework.submitted.value="part_"+part;
133: }
134:
135: function image_response_click (which, e) {
136: init_geometry();
137: if (!e) { e = window.event; } //IE
138: var input_element = document.lonhomework.elements[which];
1.401 albertel 139: var token_element = document.lonhomework.elements[which+'_token'];
1.400 albertel 140: var token = token_element.value;
1.401 albertel 141: var img_element = document.getElementById(which+'_imageresponse');
1.400 albertel 142: var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
143: var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
144: var click = x+':'+y;
145: input_element.value = click;
146: img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
147: }
1.416 raeburn 148:
1.400 albertel 149: </script>
150: JS
151: }
152:
1.416 raeburn 153: sub setmode_javascript {
154: return <<"ENDSCRIPT";
155: <script type="text/javascript">
156: function setmode(form,probmode) {
157: form.problemmode.value = probmode;
158: form.submit();
159: }
160: </script>
161: ENDSCRIPT
162: }
163:
1.48 albertel 164: sub page_start {
1.345 albertel 165: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
166: $extra_head)=@_;
1.159 albertel 167: my %found;
1.207 albertel 168: foreach my $taginside (@$tagstack) {
1.159 albertel 169: foreach my $taglookedfor ('html','body','form') {
170: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
171: }
172: }
173:
1.343 albertel 174: if ($target eq 'tex') {
175: return
176: &Apache::londefdef::start_html($target,$token,$tagstack,
177: $parstack,$parser,$safeeval);
178: }
179:
1.400 albertel 180: $extra_head .= &homework_js();
1.374 albertel 181:
1.434 foxr 182: if ($env{'environment.wysiwygeditor'} eq 'on') {
183: $extra_head .= &Apache::lonhtmlcommon::dragmath_js("FCKEditMathPopup");
184: } else {
185: $extra_head .= &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
1.425 raeburn 186: }
187:
1.344 albertel 188: my %body_args;
189: if (defined($found{'html'})) {
190: $body_args{'skip_phases'}{'head'}=1;
191: } else {
1.343 albertel 192:
1.345 albertel 193: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 194:
1.379 albertel 195: $extra_head .= &Apache::londefdef::generate_css_links();
196:
1.384 albertel 197: if ($env{'request.state'} eq 'construct') {
1.343 albertel 198: $extra_head.=&Apache::edit::js_change_detection().
199: "<script type=\"text/javascript\">\n".
200: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
201: &Apache::loncommon::browser_and_searcher_javascript().
202: "\n</script>\n";
203: }
1.159 albertel 204: }
1.343 albertel 205:
1.446 bisitz 206: my $pageheader = '';
1.344 albertel 207: if (defined($found{'body'})) {
208: $body_args{'skip_phases'}{'body'}=1;
209: } elsif (!defined($found{'body'})
210: && $env{'request.state'} eq 'construct') {
1.343 albertel 211: if ($target eq 'web' || $target eq 'edit') {
1.402 albertel 212: if ($env{'environment.remote'} ne 'off') {
213: $body_args{'only_body'} = 1;
214: }
1.450 bisitz 215: # Breadcrumbs for Construction Space
216: &Apache::lonhtmlcommon::clear_breadcrumbs();
217: &Apache::lonhtmlcommon::add_breadcrumb({
218: 'text' => 'Construction Space',
219: 'href' => &Apache::loncommon::authorspace(),
220: });
1.460 droeschl 221: # breadcrumbs (and tools) will be created
222: # in start_page->bodytag->innerregister
223:
1.450 bisitz 224: # FIXME Where are we?
225: # &Apache::lonhtmlcommon::add_breadcrumb({
226: # 'text' => 'Problem Editing', # 'Problem Testing'
227: # 'href' => '',
228: # });
1.460 droeschl 229: $pageheader =&Apache::loncommon::head_subbox(
1.446 bisitz 230: &Apache::loncommon::CSTR_pageheader());
1.297 albertel 231: }
1.272 albertel 232: } elsif (!defined($found{'body'})) {
1.343 albertel 233: my %add_entries;
1.159 albertel 234: my $background=&Apache::lonxml::get_param('background',$parstack,
235: $safeeval);
1.343 albertel 236: if ($background ne '' ) {
237: $add_entries{'background'} = $background;
238: }
1.344 albertel 239:
1.290 albertel 240: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
241: $safeeval);
1.446 bisitz 242: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
1.344 albertel 243:
1.446 bisitz 244: $body_args{'bgcolor'} = $bgcolor;
245: # $body_args{'no_title'} = 1;
246: $body_args{'force_register'} = 1;
247: $body_args{'add_entries'} = \%add_entries;
248: if ($env{'environment.remote'} eq 'off'
249: && $env{'request.state'} eq 'construct') {
250: $body_args{'only_body'} = 1;
251: }
1.344 albertel 252: }
1.365 albertel 253: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 254: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
255: \%body_args);
1.446 bisitz 256: $page_start .= $pageheader;
1.461 raeburn 257:
258: unless ($env{'request.gcicontext'} eq 'buildtest') {
259: if (!defined($found{'body'})
260: && $env{'request.state'} ne 'construct'
261: && ($target eq 'web' || $target eq 'webgrade')) {
262:
263: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
264: if ($symb eq '' && !$publicuser) {
265: $page_start .= '<p class="LC_info">'
266: .&mt('Browsing resource, all submissions are temporary.')
267: .'</p>';
268: }
1.457 bisitz 269: }
1.344 albertel 270: }
271:
1.409 albertel 272: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 273: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 274: }
1.344 albertel 275:
1.159 albertel 276: my $form_tag_start;
277: if (!defined($found{'form'})) {
1.337 albertel 278: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.455 droeschl 279: my $uri = Apache::loncommon::inhibit_menu_check(
280: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.327 albertel 281: $form_tag_start.=$uri.'" ';
282: if ($target eq 'edit') {
283: $form_tag_start.=&Apache::edit::form_change_detection();
284: }
1.368 albertel 285: $form_tag_start.='>'."\n";
1.355 albertel 286:
287: my $symb=&Apache::lonnet::symbread();
288: if ($symb =~ /\S/) {
289: $symb=
290: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
291: $form_tag_start.=
1.368 albertel 292: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 293: }
1.159 albertel 294: }
1.343 albertel 295: return ($page_start,$form_tag_start);
1.105 albertel 296: }
297:
1.141 matthew 298: #use Time::HiRes();
1.105 albertel 299: sub get_resource_name {
1.159 albertel 300: my ($parstack,$safeeval)=@_;
1.388 foxr 301: my $name;
1.204 albertel 302: if (defined($Apache::lonhomework::name)) {
1.388 foxr 303: $name = $Apache::lonhomework::name;
304: } else {
305: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 306: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 307: if ($name eq '') {
308: $name=&Apache::lonnet::EXT('resource.title');
309: if ($name eq 'con_lost') { $name = ''; }
310: }
311: if ($name!~/\S+/) {
312: $name=$env{'request.uri'};
313: $name=~s-.*/([^/]+)$-$1-;
314: }
315: # The name has had html tags escaped:
316:
317: $name=~s/</</gs;
318: $name=~s/>/>/gs;
319:
320: $Apache::lonhomework::name=$name;
1.204 albertel 321: }
1.159 albertel 322: return $name;
1.105 albertel 323: }
324:
325: sub setup_rndseed {
1.159 albertel 326: my ($safeeval)=@_;
327: my $rndseed;
1.367 albertel 328: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 329: if ($env{'request.state'} eq "construct"
330: || $symb eq ''
331: || $Apache::lonhomework::type eq 'practice'
332: || $Apache::lonhomework::history{'resource.CODE'}) {
1.316 www 333: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 334: ['rndseed']);
1.284 albertel 335: $rndseed=$env{'form.rndseed'};
1.159 albertel 336: if (!$rndseed) {
1.162 albertel 337: $rndseed=$Apache::lonhomework::history{'rndseed'};
338: if (!$rndseed) {
339: $rndseed=time;
340: }
1.284 albertel 341: $env{'form.rndseed'}=$rndseed;
1.162 albertel 342: }
1.374 albertel 343: if ( ($env{'form.resetdata'} eq &mt('New Problem Variation')
344: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 345: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 346: srand(time);
347: $rndseed=int(rand(2100000000));
1.284 albertel 348: $env{'form.rndseed'}=$rndseed;
349: delete($env{'form.resetdata'});
350: delete($env{'form.newrandomization'});
1.159 albertel 351: }
1.187 albertel 352: if (defined($rndseed) && $rndseed ne int($rndseed)) {
1.307 albertel 353: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
1.187 albertel 354: }
1.247 albertel 355: if ($Apache::lonhomework::history{'resource.CODE'}) {
356: $rndseed=&Apache::lonnet::rndseed();
357: }
1.221 albertel 358: if ($safeeval) {
359: &Apache::lonxml::debug("Setting rndseed to $rndseed");
1.250 albertel 360: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.221 albertel 361: }
1.159 albertel 362: }
363: return $rndseed;
1.105 albertel 364: }
365:
1.268 albertel 366: sub remember_problem_state {
367: return '
1.284 albertel 368: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
369: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
370: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 371: }
372:
1.423 www 373: sub problem_edit_buttons {
374: return '
1.408 albertel 375: <div class="LC_edit_problem_discards">
1.416 raeburn 376: <input type="button" name="submitmode" accesskey="d" value="'.&mt('Discard Edits and View').'" '.
1.423 www 377: ' onclick="javscript:setmode(this.form,'."'discard'".')" />
1.416 raeburn 378: <input '.&Apache::edit::submit_ask_anyway('setmode(this.form,'."'editxml'".')').' type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" />
1.407 albertel 379: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />
1.408 albertel 380: </div>
381: <div class="LC_edit_problem_saves">
1.416 raeburn 382: <input type="submit" name="submitbutton" accesskey="s" value="'.&mt('Save and Edit').'" />
383: <input type="submit" name="submitbutton" accesskey="v" value="'.&mt('Save and View').'" />
1.423 www 384: </div>';
385: }
386:
387: sub problem_edit_header {
388: return '<input type="hidden" name="submitted" value="edit" /><input type="hidden" name="problemmode" value="edit" />'.
389: &Apache::structuretags::remember_problem_state().'
390: <div class="LC_edit_problem_header">
391: <div class="LC_edit_problem_header_title">
392: '.&mt('Problem Editing').&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
393: </div>'.
394: &problem_edit_buttons().'
1.459 bisitz 395: <hr style="clear:both;" />
1.409 albertel 396: '.&Apache::lonxml::message_location().'
1.408 albertel 397: </div>
398: '.
1.458 bisitz 399: '<table border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
1.105 albertel 400: }
401:
402: sub problem_edit_footer {
1.412 albertel 403: return '</td></tr></table><br />
404: <div class="LC_edit_problem_footer">
1.453 bisitz 405: <hr />'.
1.423 www 406: &problem_edit_buttons().'
1.459 bisitz 407: <hr style="clear:both;" />
1.412 albertel 408: </div>
409: '.
410:
1.348 albertel 411: &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields()).
1.342 albertel 412: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 413: }
414:
1.235 albertel 415: sub option {
416: my ($value,$name) = @_;
417: my $result ="<option value='".$value."' ";
1.284 albertel 418: if ($env{'form.'.$name} eq $value) {
1.235 albertel 419: $result.=" selected='on' ";
420: }
421: $result.='>';
422: return $result;
423: }
424:
1.105 albertel 425: sub problem_web_to_edit_header {
1.159 albertel 426: my ($rndseed)=@_;
1.406 albertel 427: my $result .= '<div class="LC_edit_problem_header">';
428:
429: if (!$Apache::lonhomework::parsing_a_task) {
430: $result .=
431: '<div class="LC_edit_problem_header_title">'.
432: &mt('Problem Testing').
433: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
434: '</div>';
435: } else {
436: $result .=
437: '<div class="LC_edit_problem_header_title">'.
438: &mt('Task Testing').
439: '</div>';
440: }
441:
1.315 albertel 442: my $show_all_foils_text =
443: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 444: &mt('Show All Instances')
445: : &mt('Show All Foils');
1.315 albertel 446:
1.452 bisitz 447: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
448: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 449: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 450: $show_all.= ' /> '.$show_all_foils_text
451: .'</label></span>';
1.406 albertel 452:
453:
1.384 albertel 454:
1.406 albertel 455: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 456: if (!$Apache::lonhomework::parsing_a_task) {
457: $result.="
1.406 albertel 458: <div class='LC_edit_problem_header_row1'>
459: <span class=\"LC_nobreak\">
1.405 albertel 460: ".&mt("Problem Status:")."
1.235 albertel 461: <select name='problemstate'>
1.270 albertel 462: <option value=''></option>
1.235 albertel 463: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
464: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
465: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
466: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
467: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
468: </select>
1.406 albertel 469: </span>
470: <span class=\"LC_nobreak\">
1.405 albertel 471: ".&mt("Problem Type:")."
1.235 albertel 472: <select name='problemtype'>
1.270 albertel 473: <option value=''></option>
1.242 albertel 474: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
1.428 raeburn 475: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 476: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.428 raeburn 477: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.235 albertel 478: </select>
1.406 albertel 479: </span>
480: $show_all
481: </div>
482: <div class='LC_edit_problem_header_row2'>
483: <span class=\"LC_nobreak\">
1.405 albertel 484: ".&mt("Feedback Mode:")."
1.235 albertel 485: <select name='problemstatus'>
486: <option value=''></option>
1.242 albertel 487: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.405 albertel 488: ".&option('no', 'problemstatus').&mt("Don't Show Incorect/Correct Feedback")."</option>
489: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 490: </select>
1.406 albertel 491: </span>
492: ";
493:
1.376 albertel 494: } elsif ($Apache::lonhomework::parsing_a_task) {
495: $result.="
1.406 albertel 496: <div class='LC_edit_problem_header_row1'>
497: <span class=\"LC_nobreak\">
1.405 albertel 498: ".&mt("Problem Status:")."
1.376 albertel 499: <select name='problemstate'>
500: <option value=''></option>
501: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
502: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
503: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
504: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
505: </select>
1.406 albertel 506: </span>
507: $show_all
508: ";
509: }
510: $result.='
511: <span class="LC_nobreak">
512: '.&mt('Apply style file: ').'
513: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
514: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
515: </span>
1.422 www 516: </div>
517: <div class="LC_edit_problem_header_row1">'.
518: &Apache::lonxml::renderingoptions().'
1.406 albertel 519: </div>
520: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
521: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
522: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
523: </div>
1.453 bisitz 524: <hr />
1.406 albertel 525: <div class="LC_edit_problem_header_randomize_row">
526: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
527: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
528: <input type="text" name="rndseed" size="10" value="'.
529: $rndseed.'"
530: onchange="javascript:document.lonhomework.changerandseed.click()" />';
531:
532: if (!$Apache::lonhomework::parsing_a_task) {
533: my $numtoanalyze=$env{'form.numtoanalyze'};
534: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 535: $result .= '<span class="LC_nobreak">'.
536: &mt('[_1] for [_2] versions.',
1.416 raeburn 537: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 538: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
539: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 540: $numtoanalyze.'" size="5" />').
541: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
542: '</span>';
543:
1.313 albertel 544: }
1.406 albertel 545:
546: $result.='
547: </div>
1.453 bisitz 548: <hr />
1.447 bisitz 549: <div>';
1.416 raeburn 550: $result.='<input type="hidden" name="problemmode" value="view" />';
551: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
552: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
553: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
554: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.408 albertel 555: $result.='
556: </div>
1.453 bisitz 557: <hr />
1.409 albertel 558: '.&Apache::lonxml::message_location().'
1.406 albertel 559: </div>';
1.159 albertel 560: return $result;
1.48 albertel 561: }
562:
1.65 albertel 563: sub initialize_storage {
1.357 albertel 564: my ($given_symb) = @_;
1.353 albertel 565: undef(%Apache::lonhomework::results);
566: undef(%Apache::lonhomework::history);
1.357 albertel 567: my ($symb,$courseid,$domain,$name) =
1.367 albertel 568: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 569:
570: # anonymous users (CODEd exams) have no data
571: if ($name eq 'anonymous'
572: && !defined($domain)) {
573: return;
574: }
575:
1.333 albertel 576: if ($env{'request.state'} eq 'construct'
577: || $symb eq ''
578: || $Apache::lonhomework::type eq 'practice') {
579:
580: my $namespace = $symb || $env{'request.uri'};
581: if ($env{'form.resetdata'} eq &mt('Reset Submissions') ||
1.374 albertel 582: ($env{'form.resetdata'} eq &mt('New Problem Variation')
583: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 584: $env{'form.newrandomization'} eq &mt('New Randomization')) {
585: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
586: &Apache::lonxml::debug("Attempt reset");
587: }
1.159 albertel 588: %Apache::lonhomework::history=
1.333 albertel 589: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.159 albertel 590: my ($temp)=keys %Apache::lonhomework::history ;
591: &Apache::lonxml::debug("Return message of $temp");
592: } else {
593: %Apache::lonhomework::history=
594: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
595: }
1.353 albertel 596:
1.159 albertel 597: #ignore error conditions
1.67 albertel 598: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 599: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 600: }
601:
1.435 jms 602: =pod
603:
604: =item finalize_storage()
605:
606: Stores away the result has to a student's environment
607: checks form.grade_ for specific values, other wises stores
608: to the running users environment
609: Will increment totals for attempts, students, and corrects
610: if running user has student role.
611:
612: =cut
613:
614:
1.65 albertel 615: sub finalize_storage {
1.357 albertel 616: my ($given_symb) = @_;
1.159 albertel 617: my $result;
1.289 albertel 618: if (%Apache::lonhomework::results) {
1.323 albertel 619: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
620: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 621: my ($symb,$courseid,$domain,$name) =
1.367 albertel 622: &Apache::lonnet::whichuser($given_symb);
1.333 albertel 623: if ($env{'request.state'} eq 'construct'
624: || $symb eq ''
625: || $Apache::lonhomework::type eq 'practice') {
626: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 627: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 628: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 629: $namespace,'',$domain,$name);
1.159 albertel 630: &Apache::lonxml::debug('Construct Store return message:'.$result);
631: } else {
632: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
633: $symb,$courseid,$domain,$name);
634: &Apache::lonxml::debug('Store return message:'.$result);
1.285 raeburn 635: if ($env{'request.role'} =~/^st/) {
636: &store_aggregates($symb,$courseid);
637: }
1.159 albertel 638: }
1.323 albertel 639: } else {
640: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 641: }
1.159 albertel 642: return $result;
1.65 albertel 643: }
644:
1.435 jms 645: =pod
646:
647: item store_aggregates()
648:
649: Sends hash of values to be incremented in nohist_resourcetracker.db
650: for the course. Increments total number of attempts, unique students
651: and corrects for each part for an instance of a problem, as appropriate.
652:
653: =cut
654:
1.285 raeburn 655: sub store_aggregates {
656: my ($symb,$courseid) = @_;
1.461.2.1! raeburn 657: my (%aggregate,%subtracker);
! 658: my $tracksub;
! 659: if ($symb =~ m{^uploaded/gcitest/$LONCAPA::match_courseid/default_1261144274.sequence___\d+___gci/gci/}) {
! 660: $tracksub = 1;
! 661: }
1.286 albertel 662: my @parts;
1.288 albertel 663: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
664: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 665: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 666: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 667: push(@parts, $1);
1.285 raeburn 668: }
669: }
1.286 albertel 670: foreach my $part (@parts) {
671: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
672: eq 'APPROX_ANS' ||
673: $Apache::lonhomework::results{'resource.'.$part.'.award'}
674: eq 'EXACT_ANS') {
1.287 albertel 675: $aggregate{$symb."\0".$part."\0correct"} = 1;
1.461.2.1! raeburn 676: if ($tracksub) {
! 677: $subtracker{$env{'user.name'}.':'.$env{'user.domain'}."\0correct"} ++;
! 678: }
1.285 raeburn 679: }
1.286 albertel 680: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1.287 albertel 681: $aggregate{$symb."\0".$part."\0users"} = 1;
1.292 raeburn 682: } else {
1.293 albertel 683: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1.292 raeburn 684: if ($last_reset) {
1.293 albertel 685: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1.292 raeburn 686: $aggregate{$symb."\0".$part."\0users"} = 1;
687: }
688: }
1.285 raeburn 689: }
1.287 albertel 690: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.461.2.1! raeburn 691: if ($tracksub) {
! 692: if ($Apache::lonhomework::type eq 'survey') {
! 693: $subtracker{$env{'user.name'}.':'.$env{'user.domain'}."\0surveysubs"} ++;
! 694: } else {
! 695: $subtracker{$env{'user.name'}.':'.$env{'user.domain'}."\0attempts"} ++;
! 696: }
! 697: }
1.285 raeburn 698: }
1.292 raeburn 699: if (keys (%aggregate) > 0) {
1.289 albertel 700: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 701: $cdomain,$cname);
702: }
1.461.2.1! raeburn 703: if (keys(%subtracker) > 0) {
! 704: &Apache::lonnet::cinc('nohist_submissiontracker',\%subtracker,
! 705: $cdomain,$cname);
! 706: }
1.292 raeburn 707: }
1.289 albertel 708:
1.65 albertel 709: sub checkout_msg {
1.211 albertel 710: my %lt=&Apache::lonlocal::texthash(
711: 'resource'=>'The resource needs to be checked out',
712: '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.',
713: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
714: 'checkout'=>'Check out Exam for Viewing',
715: 'checkout?'=>'Check out Exam?');
1.352 albertel 716: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 717: return (<<ENDCHECKOUT);
1.211 albertel 718: <h2>$lt{'resource'}</h2>
719: <p>$lt{'id_expln'}</p>
1.449 bisitz 720: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 721: <form name="checkout" method="post" action="$uri">
1.91 albertel 722: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 723: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 724: </form>
725: ENDCHECKOUT
726: }
727:
1.252 albertel 728: sub firstaccess_msg {
1.253 albertel 729: my ($time,$symb)=@_;
1.414 albertel 730: my $result;
731: my @interval=&Apache::lonnet::EXT("resource.0.interval");
732: if ($interval[1] eq 'map') {
733: my ($map)=&Apache::lonnet::decode_symb($symb);
734: my $foldertitle=&Apache::lonnet::gettitle($map);
735:
736: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.418 bisitz 737: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
738: .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
739: ,$foldertitle,$time)."</h2>";
1.414 albertel 740: } elsif ($interval[1] eq 'course') {
741: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.418 bisitz 742: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
743: .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
744: ,$course,$time)."</h2>";
1.414 albertel 745: } else {
746: my $title=&Apache::lonnet::gettitle($symb);
1.418 bisitz 747: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.'
748: .' Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
749: ,$title,$time)."</h2>";
1.414 albertel 750: }
1.352 albertel 751: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 752: my $buttontext = &mt('Show Resource');
753: my $timertext = &mt('Start Timer?');
1.414 albertel 754: $result .= (<<ENDCHECKOUT);
1.444 bisitz 755: <form name="markaccess" method="post" action="$uri">
1.252 albertel 756: <input type="hidden" name="markaccess" value="yes" />
1.418 bisitz 757: <input type="button" name="accessbutton" value="$buttontext" onClick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 758: </form>
759: ENDCHECKOUT
1.414 albertel 760: return $result;
1.252 albertel 761: }
762:
1.204 albertel 763: sub init_problem_globals {
764: my ($type)=@_;
765: #initialize globals
1.308 foxr 766: # For problems, we start out in part 0 (outside a <part> tag).
767: # and part 0 is used to describe the main body of the <problem>
768: #
1.204 albertel 769: if ($type eq 'problem') {
770: $Apache::inputtags::part='0';
771: @Apache::inputtags::partlist=('0');
1.405 albertel 772: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 773: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 774:
1.266 albertel 775: } elsif ($type eq 'library') {
1.204 albertel 776: $Apache::inputtags::part='';
777: @Apache::inputtags::partlist=();
1.405 albertel 778: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 779: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 780:
1.304 albertel 781: } elsif ($type eq 'Task') {
782: $Apache::inputtags::part='0';
783: @Apache::inputtags::partlist=('0');
1.405 albertel 784: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 785: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 786: }
787: @Apache::inputtags::responselist = ();
788: @Apache::inputtags::importlist = ();
789: @Apache::inputtags::previous=();
790: @Apache::inputtags::previous_version=();
791: $Apache::structuretags::printanswer='No';
792: @Apache::structuretags::whileconds=();
793: @Apache::structuretags::whilebody=();
794: @Apache::structuretags::whileline=();
795: $Apache::lonhomework::scantronmode=0;
796: undef($Apache::lonhomework::name);
1.358 albertel 797: undef($Apache::lonhomework::default_type);
798: undef($Apache::lonhomework::type);
1.204 albertel 799: }
800:
801: sub reset_problem_globals {
802: my ($type)=@_;
803: undef(%Apache::lonhomework::history);
804: undef(%Apache::lonhomework::results);
805: undef($Apache::inputtags::part);
1.208 albertel 806: #don't undef this, lonhomework.pm takes care of this, we use this to
807: #detect if we try to do 2 problems in one file
808: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 809: undef($Apache::lonhomework::name);
1.358 albertel 810: undef($Apache::lonhomework::default_type);
811: undef($Apache::lonhomework::type);
812: undef($Apache::lonhomework::scantronmode);
813: undef($Apache::lonhomework::ignore_response_errors);
1.405 albertel 814: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 815: }
816:
1.241 albertel 817: sub set_problem_state {
1.240 albertel 818: my ($part)=@_;
1.284 albertel 819: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 820: $Apache::lonhomework::history{"resource.$part.solved"}=
821: 'correct_by_student';
822: }
823: }
824:
1.241 albertel 825: sub get_problem_status {
826: my ($part)=@_;
1.267 albertel 827: my $problem_status;
1.284 albertel 828: if ($env{'request.state'} eq 'construct' &&
829: defined($env{'form.problemstatus'})) {
830: $problem_status=$env{'form.problemstatus'};
1.267 albertel 831: } else {
832: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
833: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 834: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 835: }
836: return $problem_status;
837: }
838:
1.9 albertel 839: sub start_problem {
1.326 albertel 840: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 841:
1.311 foxr 842: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 843: if (!$Apache::lonxml::metamode) {
844: &Apache::lonxml::startredirection();
845: }
1.311 foxr 846:
1.308 foxr 847: # Problems don't nest and we don't allow more than one <problem> in
848: # a .problem file.
849: #
1.184 albertel 850: if ( $Apache::inputtags::part ne '' ||
851: $Apache::lonhomework::parsing_a_problem) {
852: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 853: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 854: return '';
855: }
1.184 albertel 856:
857: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 858: &init_problem_globals('problem');
1.166 albertel 859:
1.284 albertel 860: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 861: $Apache::lonhomework::scantronmode=1;
862: }
1.161 albertel 863:
1.159 albertel 864: if ($target ne 'analyze') {
1.415 raeburn 865: my $type = &Apache::lonnet::EXT('resource.0.type');
866: $Apache::lonhomework::type=$type;
1.284 albertel 867: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 868: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 869: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 870: }
1.332 albertel 871: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 872: }
1.164 albertel 873: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 874: my $uri=$env{'request.uri'};
1.159 albertel 875: if ($uri=~/\.(\w+)$/) {
876: $Apache::lonhomework::type=$1;
877: &Apache::lonxml::debug("Using type of $1");
878: } else {
879: $Apache::lonhomework::type='problem';
880: &Apache::lonxml::debug("Using default type, problem, :$uri:");
881: }
1.87 albertel 882: }
1.301 albertel 883: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 884:
1.363 albertel 885: &initialize_storage();
1.389 albertel 886: if ($target ne 'analyze'
887: && $env{'request.state'} eq 'construct') {
888: &set_problem_state('0');
889: }
890:
1.366 albertel 891: if ($target eq 'web') {
892: &Apache::lonxml::debug(" grading history ");
893: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
894: }
1.363 albertel 895:
1.159 albertel 896: #added vars to the scripting enviroment
1.213 albertel 897: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 898: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 899: &Apache::run::run($expression,$safeeval);
1.159 albertel 900: my $status;
901: my $accessmsg;
902:
1.343 albertel 903: my $name= &get_resource_name($parstack,$safeeval);
1.350 albertel 904: my ($result,$form_tag_start);
1.354 albertel 905: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
906: || $target eq 'edit') {
1.350 albertel 907: ($result,$form_tag_start) =
908: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
909: $name);
910: }
911:
1.284 albertel 912: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 913:
914: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
915: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
916: $target eq 'tex') {
917: #handle exam checkout
918: if ($Apache::lonhomework::type eq 'exam') {
919: my $token=
920: $Apache::lonhomework::history{"resource.0.outtoken"};
1.284 albertel 921: if (($env{'form.doescheckout'}) && (!$token)) {
1.159 albertel 922: $token=&Apache::lonxml::maketoken();
923: $Apache::lonhomework::history{"resource.0.outtoken"}=
924: $token;
925: }
1.343 albertel 926: $result.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 927: }
1.284 albertel 928: if ($env{'form.markaccess'}) {
1.414 albertel 929: my @interval=&Apache::lonnet::EXT("resource.0.interval");
930: &Apache::lonnet::set_first_access($interval[1]);
1.252 albertel 931: }
1.159 albertel 932: #handle rand seed in construction space
933: my $rndseed=&setup_rndseed($safeeval);
1.367 albertel 934: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 935: if ($env{'request.state'} ne "construct" &&
936: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 937: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.461 raeburn 938: $rndseed.'" />';
939: unless ($env{'request.gcicontext'} eq 'buildtest') {
940: $form_tag_start .= '<input type="submit" name="resetdata"'.
941: ' value="'.&mt('New Problem Variation').'" />';
942: }
1.334 albertel 943: if (exists($env{'form.username'})) {
944: $form_tag_start.=
1.164 albertel 945: '<input type="hidden" name="username"
1.284 albertel 946: value="'.$env{'form.username'}.'" />';
1.334 albertel 947: }
1.461 raeburn 948: unless ($env{'request.gcicontext'} eq 'buildtest') {
949: if ($env{'request.role.adv'}) {
950: $form_tag_start.= ' <label class="LC_nobreak">'
951: .'<input type="checkbox" name="showallfoils"';
952: if (defined($env{'form.showallfoils'})) {
953: $form_tag_start.=' checked="checked"';
954: }
955: $form_tag_start.= ' /> '
956: .&mt('Show All Foils')
957: .'</label>';
958: }
959: }
1.417 www 960: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 961: $form_tag_start.=&practice_problem_header();
1.417 www 962: }
1.461 raeburn 963: unless ($env{'request.gcicontext'} eq 'buildtest') {
964: $form_tag_start.='<hr />';
965: }
1.162 albertel 966: }
1.324 albertel 967:
968: ($status,$accessmsg,my $slot_name,my $slot) =
969: &Apache::lonhomework::check_slot_access('0','problem');
1.159 albertel 970: push (@Apache::inputtags::status,$status);
1.324 albertel 971:
1.159 albertel 972: my $expression='$external::datestatus="'.$status.'";';
973: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
974: &Apache::run::run($expression,$safeeval);
975: &Apache::lonxml::debug("Got $status");
1.324 albertel 976:
1.159 albertel 977: if (( $status eq 'CLOSED' ) ||
978: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 979: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 980: ( $status eq 'BANNED') ||
1.216 albertel 981: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 982: ( $status eq 'NOT_IN_A_SLOT') ||
1.216 albertel 983: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 984: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
985: $style);
1.159 albertel 986: if ( $target eq "web" ) {
1.343 albertel 987: my $msg;
1.159 albertel 988: if ($status eq 'UNAVAILABLE') {
1.245 albertel 989: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.441 raeburn 990: } elsif ($status eq 'NOT_IN_A_SLOT') {
991: $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.253 albertel 992: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 993: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 994: }
1.216 albertel 995: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 996: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 997: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 998: $msg.=&checkout_msg();
1.252 albertel 999: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 1000: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 1001: } elsif ($status eq 'NOT_IN_A_SLOT') {
1.441 raeburn 1002: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1.159 albertel 1003: }
1004: $result.=$msg.'<br />';
1005: } elsif ($target eq 'tex') {
1.332 albertel 1006: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1007: : '\begin{minipage}{\textwidth}';
1.443 foxr 1008: $result.='\noindent \vskip 1 mm '.
1.332 albertel 1009: $startminipage.'\vskip 0 mm';
1.159 albertel 1010: if ($status eq 'UNAVAILABLE') {
1.211 albertel 1011: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 1012: } else {
1.211 albertel 1013: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 1014: }
1015: }
1.324 albertel 1016: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1017: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1018: $style);
1.324 albertel 1019: if ($target eq 'web') {
1.375 albertel 1020: $result .=
1021: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 1022: } elsif ($target eq 'grade') {
1023: &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
1024: 'problem');
1025: }
1.159 albertel 1026: } elsif ($target eq 'web') {
1.360 albertel 1027: if ($status eq 'CAN_ANSWER'
1028: && $slot_name ne ''
1029: && $Apache::lonhomework::history{'resource.0.checkedin'} eq '') {
1030: # unproctored slot access, self checkin
1031: &Apache::bridgetask::check_in('problem',undef,undef,
1032: $slot_name);
1033: }
1.368 albertel 1034: $result.="\n $form_tag_start \t".
1.227 albertel 1035: '<input type="hidden" name="submitted" value="yes" />';
1036: # create a page header and exit
1.284 albertel 1037: if ($env{'request.state'} eq "construct") {
1038: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.428 raeburn 1039: if ($Apache::lonhomework::type eq 'practice') {
1040: $result.= '<input type="submit" name="resetdata" '.
1041: 'value="'.&mt('New Problem Variation').'" />'.
1042: &practice_problem_header().'<hr />';
1043: }
1.227 albertel 1044: }
1045: # if we are viewing someone else preserve that info
1.284 albertel 1046: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1047: foreach my $field ('symb','courseid','domain','username') {
1048: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1049: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1050: }
1051: }
1052: } elsif ($target eq 'tex') {
1.319 foxr 1053: $result .= 'INSERTTEXFRONTMATTERHERE';
1054:
1.99 sakharuk 1055: }
1.159 albertel 1056: } elsif ($target eq 'edit') {
1.343 albertel 1057: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1058: $Apache::lonxml::warnings_error_header=
1059: &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 1060: my $temp=&Apache::edit::insertlist($target,$token);
1061: $result.=$temp;
1062: } elsif ($target eq 'modified') {
1063: $result=$token->[4];
1064: } else {
1065: # page_start returned a starting result, delete it if we don't need it
1066: $result = '';
1.99 sakharuk 1067: }
1.159 albertel 1068: return $result;
1.9 albertel 1069: }
1070:
1071: sub end_problem {
1.159 albertel 1072: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 1073: my $result;
1.310 foxr 1074:
1.321 albertel 1075: if (!$Apache::lonxml::metamode) {
1076: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 1077: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1078: }
1.319 foxr 1079:
1080: if ($target eq 'tex') {
1.321 albertel 1081: # Figure out the front matter and replace the
1082: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1083: # this in end_problem because whether or not we display due
1084: # dates depends on whether due dates have already been
1085: # displayed in the problem parts.
1086:
1.319 foxr 1087: my $frontmatter = '';
1088: my $startminipage = '';
1089: if (not $env{'form.problem_split'}=~/yes/) {
1090: $startminipage = '\begin{minipage}{\textwidth}';
1091: }
1092: my $id = $Apache::inputtags::part;
1093: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1094: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1095: my @packages = split /,/,$packages;
1096: my $allow_print_points = 0;
1097: foreach my $partial_key (@packages) {
1098: if ($partial_key=~m/^part_0$/) {
1099: $allow_print_points=1;
1100: }
1101: }
1102: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1103: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1104: if (lc($env{'course.'.$env{'request.course.id'}.
1105: '.disableexampointprint'}) eq 'yes') {
1106: $allow_print_points=0;
1107: }
1108: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 1109: my $begin_doc=' \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$env{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent ';
1.319 foxr 1110: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1111: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1112:
1113: # Figure out what the due date is and if we need to print
1114: # it in the problem header. We have been logging the
1115: # last due date written to file.
1116:
1117: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1118: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 1119: my $duedate_text = &mt('Due date: [_1]'
1120: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 1121: my $temp_file;
1122: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1123:
1124: # Figure out what the last printed due date is or set it
1125: # to the epoch if no duedates have been printed.
1126:
1127: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1128: if (-e $filename) {
1129: $temp_file = Apache::File->new($filename);
1130: my @due_file = <$temp_file>;
1131: $due_file_content = $due_file[$#due_file];
1132: chomp $due_file_content;
1133: }
1134:
1135: # We display the due date iff it is not the same as the last
1136: # duedate in problem header ($due_file_content), and
1137: # none of our parts displayed a duedate.
1138: #
1139: my $parts_with_displayduedate;
1140: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1141: $parts_with_displayduedate =
1142: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1143: } else {
1144: $parts_with_displayduedate = 0;
1145: }
1146: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1147: $temp_file = Apache::File->new('>'.$filename);
1148: print $temp_file "$duetime\n";
1149: if (not $env{'request.symb'} =~ m/\.page_/) {
1150: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1151: $frontmatter .= $begin_doc.
1.448 bisitz 1152: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 1153: } else {
1154: $frontmatter.= $begin_doc.$toc_line;
1155: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1156: }
1157: } else {
1.448 bisitz 1158: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 1159: }
1160: } else {
1161: if (not $env{'request.symb'} =~ m/\.page_/) {
1162: $frontmatter .= $begin_doc.$toc_line;
1163: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1164: } else {
1.381 albertel 1165: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1166: }
1167: }
1168: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1169: }
1170:
1.159 albertel 1171: my $status=$Apache::inputtags::status['-1'];
1172: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1173: $target eq 'tex') {
1.249 albertel 1174: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1175: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1176: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1177: &Apache::inputtags::grade;
1.324 albertel 1178: } elsif ($status eq 'NEEDS_CHECKIN') {
1179: # no need to grade, and don't want to hide data
1.249 albertel 1180: } else {
1181: # move any submission data to .hidden
1182: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1183: }
1.159 albertel 1184: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1185: $Apache::inputtags::part eq '0' &&
1.252 albertel 1186: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 1187: # if part is zero, no <part>s existed, so we need show the current
1188: # grading status
1189: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1190: $result.= $gradestatus;
1191: }
1192: if (
1.284 albertel 1193: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1194: ($target eq 'answer') || ($target eq 'tex')
1195: ) {
1.227 albertel 1196: if ($target ne 'tex' &&
1.284 albertel 1197: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 1198: $result.="</form>";
1.348 albertel 1199: $result.= &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields());
1.159 albertel 1200: }
1201: if ($target eq 'web') {
1.346 albertel 1202: $result.= &Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1203: } elsif ($target eq 'tex') {
1.178 sakharuk 1204: my $endminipage = '';
1.284 albertel 1205: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1206: $endminipage = '\end{minipage}';
1207: }
1.284 albertel 1208: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1209: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1210: } else {
1.262 sakharuk 1211: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1212: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1213: $result .= $endminipage.'\end{document} ';
1214: } else {
1.382 albertel 1215: $result .= $endminipage;
1.262 sakharuk 1216: }
1.159 albertel 1217: }
1218: }
1219: }
1220: if ($target eq 'grade') {
1221: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1222: &finalize_storage();
1223: }
1.284 albertel 1224: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
1225: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 1226: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 1227: # normally we get it from above, but in CSTR
1.172 albertel 1228: # we always show answer mode too.
1.159 albertel 1229: }
1230: } elsif ($target eq 'meta') {
1231: if ($Apache::inputtags::part eq '0') {
1.179 albertel 1232: @Apache::inputtags::response=();
1.159 albertel 1233: $result=&Apache::response::mandatory_part_meta;
1234: }
1.215 albertel 1235: $result.=&Apache::response::meta_part_order();
1.258 albertel 1236: $result.=&Apache::response::meta_response_order();
1.159 albertel 1237: } elsif ($target eq 'edit') {
1238: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 1239: $result .= &problem_edit_footer();
1.320 albertel 1240: } elsif ($target eq 'modified') {
1241: $result .= $token->[2];
1.159 albertel 1242: }
1.155 albertel 1243:
1.284 albertel 1244: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 1245: &Apache::inputtags::check_for_duplicate_ids();
1246: }
1.204 albertel 1247:
1248: &reset_problem_globals('problem');
1.159 albertel 1249:
1250: return $result;
1.48 albertel 1251: }
1252:
1.108 albertel 1253:
1.48 albertel 1254: sub start_library {
1.159 albertel 1255: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 1256: my ($result,$form_tag_start);
1.371 albertel 1257: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 1258: &init_problem_globals('library');
1259: $Apache::lonhomework::type='problem';
1260: }
1.159 albertel 1261: if ($target eq 'edit') {
1.343 albertel 1262: ($result,$form_tag_start)=
1263: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1264: 'Edit');
1265: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 1266: my $temp=&Apache::edit::insertlist($target,$token);
1267: $result.=$temp;
1268: } elsif ($target eq 'modified') {
1269: $result=$token->[4];
1.340 albertel 1270: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 1271: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 1272: && $env{'request.state'} eq "construct" ) {
1.159 albertel 1273: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 1274: ($result,$form_tag_start)=
1275: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1276: $name);
1.159 albertel 1277: my $rndseed=&setup_rndseed($safeeval);
1.343 albertel 1278: $result.=" \n $form_tag_start".
1.159 albertel 1279: '<input type="hidden" name="submitted" value="yes" />';
1280: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 1281: if ($Apache::lonhomework::type eq 'practice') {
1282: $result.= '<input type="submit" name="resetdata" '.
1283: 'value="'.&mt('New Problem Variation').'" />'.
1284: &practice_problem_header().'<hr />';
1285: }
1.159 albertel 1286: }
1287: return $result;
1.48 albertel 1288: }
1289:
1290: sub end_library {
1.159 albertel 1291: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1292: my $result='';
1293: if ($target eq 'edit') {
1294: $result=&problem_edit_footer();
1.371 albertel 1295: } elsif ($target eq 'web'
1296: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1297: && $env{'request.state'} eq "construct") {
1.349 albertel 1298: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1299: }
1.371 albertel 1300: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1301: &reset_problem_globals('library');
1302: }
1.159 albertel 1303: return $result;
1.197 www 1304: }
1305:
1306: sub start_definetag {
1.326 albertel 1307: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 1308:
1309: my $result;
1310:
1311: my $name = $token->[2]->{'name'};
1.326 albertel 1312: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 1313: if ($target eq 'web') {
1314: if ($name=~/^\//) {
1315: $result=
1316: '<br /><table class="LC_sty_end"><tr><th>'.
1317: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1318: } else {
1319: $result=
1320: '<br /><table class="LC_sty_begin"><tr><th>'.
1321: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1322: }
1323: $skip = &HTML::Entities::encode($skip, '<>&"');
1324: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 1325: }
1326: return $result;
1327: }
1328:
1329: sub end_definetag {
1330: return '';
1.1 albertel 1331: }
1332:
1333: sub start_block {
1.201 albertel 1334: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 1335:
1336: my $result;
1.1 albertel 1337:
1.339 albertel 1338: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1339: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 1340: my $code = $token->[2]->{'condition'};
1.385 albertel 1341: if (defined($code) && $code ne '') {
1.137 albertel 1342: if (!$Apache::lonxml::default_homework_loaded) {
1343: &Apache::lonxml::default_homework_load($safeeval);
1344: }
1.131 albertel 1345: $result = &Apache::run::run($code,$safeeval);
1346: &Apache::lonxml::debug("block :$code: returned :$result:");
1347: } else {
1348: $result='1';
1349: }
1350: if ( ! $result ) {
1.201 albertel 1351: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 1352: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1353: }
1354: $result='';
1355: } elsif ($target eq 'edit') {
1356: $result .=&Apache::edit::tag_start($target,$token);
1357: $result .=&Apache::edit::text_arg('Test Condition:','condition',
1358: $token,40);
1359: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1360: } elsif ($target eq 'modified') {
1361: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1362: $safeeval,'condition');
1363: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 1364: }
1.131 albertel 1365: return $result;
1.1 albertel 1366: }
1367:
1368: sub end_block {
1.167 www 1369: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1370: my $result;
1371: if ($target eq "edit") {
1372: $result.= &Apache::edit::tag_end($target,$token,'');
1373: }
1374: return $result;
1375: }
1376:
1377: sub start_languageblock {
1.201 albertel 1378: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 1379:
1380: my $result;
1381:
1.339 albertel 1382: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1383: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 1384: my $include = $token->[2]->{'include'};
1385: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 1386: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.394 www 1387: # This should not even happen, since we should at least have the server language
1.398 www 1388: if (!$preferred_languages[0]) { $preferred_languages[0]='en'; }
1389: # Now loop over all languages in order of preference
1390: foreach my $preferred_language (@preferred_languages) {
1.394 www 1391: # If the languageblock has no arguments, show the contents
1.399 www 1392: $result=1;
1393: my $found=0;
1.394 www 1394: # Do we have an include argument?
1.398 www 1395: if ($include) {
1.394 www 1396: # If include is specified, by default, don't render the block
1.399 www 1397: $result=0;
1.398 www 1398: foreach my $included_language (split(/\,/,$include)) {
1.394 www 1399: # ... but if my preferred language is included, render it
1.398 www 1400: if ($included_language eq $preferred_language) {
1.399 www 1401: $result=1;
1402: $found=1;
1.398 www 1403: }
1404: }
1405: }
1.394 www 1406: # Do we have an exclude argument?
1.398 www 1407: if ($exclude) {
1.399 www 1408: $result=1;
1.398 www 1409: foreach my $excluded_language (split(/\,/,$exclude)) {
1410: if ($excluded_language eq $preferred_language) {
1.399 www 1411: $result=0;
1412: $found=1;
1.398 www 1413: }
1414: }
1415: }
1.399 www 1416: if ($found) { last; }
1.398 www 1417: }
1.201 albertel 1418: if ( ! $result ) {
1419: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
1420: $style);
1421: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1422: }
1423: $result='';
1.167 www 1424: } elsif ($target eq 'edit') {
1425: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1426: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 1427: $token,40);
1.211 albertel 1428: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 1429: $token,40);
1430: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1431: } elsif ($target eq 'modified') {
1432: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 1433: $safeeval,'include',
1434: 'exclude');
1.167 www 1435: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1436: }
1437: return $result;
1438: }
1439:
1440: sub end_languageblock {
1.170 www 1441: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1442: my $result;
1.201 albertel 1443: if ($target eq "edit") {
1.170 www 1444: $result.= &Apache::edit::tag_end($target,$token,'');
1445: }
1446: return $result;
1447: }
1448:
1.397 albertel 1449: {
1450: my %available_texts;
1451: sub start_translated {
1452: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1453: &Apache::lonxml::register('Apache::structuretags',('lang'));
1454: undef(%available_texts);
1455: }
1456:
1457: sub end_translated {
1458: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1459: my $result;
1460: #show the translation on viewable targets
1461: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
1462: # or non-viewable targets, if it's embedded in something that
1463: # wants the output
1464: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
1465: && &Apache::lonxml::in_redirection() ) ) {
1466: my @possibilities = keys(%available_texts);
1467: my $which =
1468: &Apache::loncommon::languages(\@possibilities) || 'default';
1469: $result = $available_texts{$which};
1470: }
1471: undef(%available_texts);
1472: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
1473: return $result;
1474: }
1475:
1476:
1477: sub start_lang {
1478: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1479: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1480: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1481: &Apache::lonxml::startredirection();
1482: }
1483: return '';
1484: }
1485:
1486: sub end_lang {
1487: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1488: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1489: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1490: my $result = &Apache::lonxml::endredirection();
1491: my $which = &Apache::lonxml::get_param('which',$parstack,
1492: $safeeval);
1.431 raeburn 1493: if ($which=~/\w/) {
1494: $available_texts{$which} = $result;
1495: }
1496: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
1497: $safeeval);
1498: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
1499: if ($language=~/\w/) {
1500: $available_texts{$language} = $result;
1501: }
1.427 bisitz 1502: }
1503:
1.397 albertel 1504: }
1505: return '';
1506: }
1507: }
1508:
1.170 www 1509: sub start_instructorcomment {
1.201 albertel 1510: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 1511:
1512: my $result;
1513:
1.339 albertel 1514: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1515: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.284 albertel 1516: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
1517: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 1518: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
1519: $parser,$style);
1.170 www 1520: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1521: }
1522: $result='';
1523: } elsif ($target eq 'edit') {
1524: $result .=&Apache::edit::tag_start($target,$token);
1525: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1526: }
1527: return $result;
1528: }
1529:
1530: sub end_instructorcomment {
1.159 albertel 1531: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1532: my $result;
1533: if ($target eq "edit") {
1534: $result.= &Apache::edit::tag_end($target,$token,'');
1535: }
1536: return $result;
1.4 tsai 1537: }
1538:
1539: sub start_while {
1.326 albertel 1540: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1541:
1.160 albertel 1542: my $result;
1.339 albertel 1543: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1544: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1545: my $code = $token->[2]->{'condition'};
1.4 tsai 1546:
1.160 albertel 1547: push( @Apache::structuretags::whileconds, $code);
1548: if (!$Apache::lonxml::default_homework_loaded) {
1549: &Apache::lonxml::default_homework_load($safeeval);
1550: }
1551: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 1552: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 1553: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 1554: push( @Apache::structuretags::whileline, $token->[5]);
1555: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 1556: if ( $result ) {
1557: &Apache::lonxml::newparser($parser,\$bodytext);
1558: }
1559: } elsif ($target eq 'edit') {
1560: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1561: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 1562: $token,40);
1563: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1564: } elsif ($target eq 'modified') {
1565: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1566: $safeeval,'condition');
1567: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 1568: }
1.160 albertel 1569: return $result;
1.4 tsai 1570: }
1571:
1572: sub end_while {
1.159 albertel 1573: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1574: my $result;
1575:
1.339 albertel 1576: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1577: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1578: my $code = pop(@Apache::structuretags::whileconds);
1579: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1580: my $line = pop(@Apache::structuretags::whileline);
1581: my $return = &Apache::run::run($code,$safeeval);
1582: my $starttime=time;
1583: my $error=0;
1584: while ($return) {
1585: if (time-$starttime >
1586: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 1587: $return = 0; $error=1; next;
1.161 albertel 1588: }
1589: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 1590: if ($target eq 'grade' || $target eq 'answer' ||
1591: $target eq 'analyze') {
1592: # grade/answer/analyze should produce no output but if we
1593: # are redirecting, the redirecter should know what to do
1594: # with the output
1595: if (!$Apache::lonxml::redirection) { undef($result); }
1596: }
1.161 albertel 1597: $return = &Apache::run::run($code,$safeeval);
1598: }
1599: if ($error) {
1.430 bisitz 1600: &Apache::lonxml::error('<pre>'.&mt('Code ran too long. It ran for more than').' '.$Apache::lonnet::perlvar{'lonScriptTimeout'}.' '.&mt('seconds occurred while running <while> on line').' '.$line.'</pre>');
1.160 albertel 1601: }
1602: } elsif ($target eq "edit") {
1603: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1604: }
1.160 albertel 1605: return $result;
1.1 albertel 1606: }
1.6 tsai 1607:
1.160 albertel 1608: # <randomlist show="1">
1.6 tsai 1609: # <tag1>..</tag1>
1610: # <tag2>..</tag2>
1611: # <tag3>..</tag3>
1.160 albertel 1612: # ...
1.6 tsai 1613: # </randomlist>
1614: sub start_randomlist {
1.326 albertel 1615: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1616: my $result;
1.339 albertel 1617: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1618: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 1619: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 1620: my $b_parser= HTML::LCParser->new(\$body);
1621: $b_parser->xml_mode(1);
1622: $b_parser->marked_sections(1);
1.159 albertel 1623: my $b_tok;
1624: my @randomlist;
1625: my $list_item;
1626: while($b_tok = $b_parser->get_token() ) {
1627: if($b_tok->[0] eq 'S') { # start tag
1628: # get content of the tag until matching end tag
1629: # get all text upto the matching tag
1630: # and push the content into @randomlist
1631: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1632: $b_parser);
1633: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1634: push(@randomlist,$list_item);
1635: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1636: # $list_item</b>";
1637: }
1638: if($b_tok->[0] eq 'T') { # text
1639: # what to do with text in between tags?
1640: # print "<b>TEXT $b_tok->[1]</b><br />";
1641: }
1642: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1643: # print "<b>END-TAG $b_tok->[1]</b><br />";
1644: # }
1645: }
1.303 albertel 1646: if (@randomlist) {
1647: my @idx_arr = (0 .. $#randomlist);
1648: &Apache::structuretags::shuffle(\@idx_arr);
1649: my $bodytext = '';
1650: my $show=$#randomlist;
1651: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1652: $showarg--;
1653: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 1654: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
1655: my @currlist;
1656: my $part = $Apache::inputtags::part;
1657: if ($part ne '') {
1658: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
1659: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
1660: if (!(grep(/^\Q$part\E$/,@currlist))) {
1661: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
1662: }
1663: } else {
1664: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
1665: }
1666: }
1667: }
1.303 albertel 1668: for(0 .. $show) {
1669: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1670: }
1671: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 1672: }
1673: } elsif ($target eq 'edit' ) {
1674: $result .=&Apache::edit::tag_start($target,$token);
1675: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1676: $token,5);
1677: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1678: } elsif ($target eq 'modified' ) {
1679: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1680: $safeeval,'show');
1681: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1682: }
1683: return $result;
1.7 tsai 1684: }
1685:
1686: sub shuffle {
1687: my $a=shift;
1688: my $i;
1.303 albertel 1689: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 1690: &Apache::response::pushrandomnumber();
1.159 albertel 1691: for($i=@$a;--$i;) {
1692: my $j=int(&Math::Random::random_uniform() * ($i+1));
1693: next if $i == $j;
1694: @$a[$i,$j] = @$a[$j,$i];
1695: }
1.251 albertel 1696: &Apache::response::poprandomnumber();
1.7 tsai 1697: }
1.6 tsai 1698: }
1699:
1700: sub end_randomlist {
1.159 albertel 1701: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1702: my $result;
1703: if ($target eq 'edit' ) {
1704: $result=&Apache::edit::tag_end($target,$token,
1705: 'End Randomly Parsed Block');
1706: }
1707: return $result;
1.6 tsai 1708: }
1709:
1.283 albertel 1710: sub ordered_show_check {
1711: my $last_part=$Apache::inputtags::partlist[-2];
1712: my $in_order=
1713: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1714: my $in_order_show=1;
1715: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1716: $in_order_show=&Apache::response::check_status($last_part);
1717: }
1718: return $in_order_show;
1719: }
1720:
1.11 albertel 1721: sub start_part {
1.326 albertel 1722: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 1723: if (!$Apache::lonxml::metamode) {
1724: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
1725: # duedates.
1726: }
1.159 albertel 1727: my $result='';
1.386 albertel 1728: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 1729: $Apache::inputtags::part=$id;
1.177 albertel 1730: push(@Apache::inputtags::partlist,$id);
1731: @Apache::inputtags::response=();
1.159 albertel 1732: @Apache::inputtags::previous=();
1733: @Apache::inputtags::previous_version=();
1.405 albertel 1734: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 1735: &Apache::response::reset_params();
1736:
1.159 albertel 1737: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1738: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1739: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1740: my $in_order_show=&ordered_show_check();
1.214 albertel 1741: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1742: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1743: &Apache::run::run($expression,$safeeval);
1.159 albertel 1744:
1745: if ($target eq 'meta') {
1.224 www 1746: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1747: return &Apache::response::mandatory_part_meta.
1748: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1749: } elsif ($target eq 'web' || $target eq 'grade' ||
1750: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1751: if ($hidden || !$in_order_show) {
1.326 albertel 1752: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 1753: } else {
1754: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1755: push (@Apache::inputtags::status,$status);
1756: my $expression='$external::datestatus="'.$status.'";';
1757: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1758: &Apache::run::run($expression,$safeeval);
1.284 albertel 1759: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1760: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1761: }
1.216 albertel 1762: if (( $status eq 'CLOSED' ) ||
1763: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1764: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1765: ( $status eq 'BANNED') ||
1766: ( $status eq 'UNAVAILABLE') ||
1767: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 1768: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
1769: $style);
1.159 albertel 1770: if ( $target eq "web" ) {
1.211 albertel 1771: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1772: } elsif ( $target eq 'tex' ) {
1.284 albertel 1773: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1774: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1775: } else {
1.211 albertel 1776: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1777: }
1.159 albertel 1778: }
1779: } else {
1780: if ($target eq 'tex') {
1.284 albertel 1781: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1782: if ($$tagstack[-2] eq 'td') {
1.388 foxr 1783: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 1784: } else {
1785: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1786: }
1.195 sakharuk 1787: }
1.159 albertel 1788: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1789: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1790: my @allkeys = split /,/,$allkeys;
1791: my $allow_print_points = 0;
1792: foreach my $partial_key (@allkeys) {
1.230 albertel 1793: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1794: if ($1 ne '0') {$allow_print_points=1;}
1795: }
1796: }
1.275 albertel 1797: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1798: if (defined($maxtries) && $maxtries < 0) {
1799: $allow_print_points=0;
1800: }
1.302 albertel 1801: if (lc($env{'course.'.$env{'request.course.id'}.
1802: '.disableexampointprint'}) eq 'yes') {
1803: $allow_print_points=0;
1804: }
1.222 sakharuk 1805: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1806: } elsif ($target eq 'web') {
1.356 www 1807: $result.='<a name="'.&escape($Apache::inputtags::part).'" />';
1.159 albertel 1808: }
1809: }
1810: }
1811: } elsif ($target eq 'edit') {
1812: $result.=&Apache::edit::tag_start($target,$token);
1813: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1814: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1815: ' '.
1816: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1817: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1818: } elsif ($target eq 'modified') {
1819: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1820: $safeeval,'id','display');
1.159 albertel 1821: if ($constructtag) {
1.225 albertel 1822: #limiting ids to only letters numbers, and space
1.224 www 1823: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1824: $result = &Apache::edit::rebuild_tag($token);
1825: }
1826: }
1827: return $result;
1.11 albertel 1828: }
1829:
1830: sub end_part {
1.159 albertel 1831: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1832: &Apache::lonxml::debug("in end_part $target ");
1833: my $status=$Apache::inputtags::status['-1'];
1834: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1835: my $in_order_show=&ordered_show_check();
1.321 albertel 1836: my $result;
1837: if (!$Apache::lonxml::metamode) {
1838: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 1839: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1840: }
1.312 albertel 1841: if ($target eq 'grade') {
1.249 albertel 1842: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1843: !$hidden && $in_order_show) {
1.311 foxr 1844: $result.=&Apache::inputtags::grade;
1.249 albertel 1845: } else {
1846: # move any submission data to .hidden
1847: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1848: }
1.283 albertel 1849: } elsif (($target eq 'web' || $target eq 'tex') &&
1850: !$hidden && $in_order_show) {
1.159 albertel 1851: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1852: $target);
1.212 albertel 1853: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1854: $gradestatus='';
1855: }
1.311 foxr 1856: $result.=$gradestatus;
1.265 sakharuk 1857: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1858: } elsif ($target eq 'edit') {
1.311 foxr 1859: $result.=&Apache::edit::end_table();
1.322 albertel 1860: } elsif ($target eq 'modified') {
1861: $result .= $token->[2];
1.159 albertel 1862: }
1863: pop @Apache::inputtags::status;
1864: $Apache::inputtags::part='';
1.295 albertel 1865: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 1866: return $result;
1.11 albertel 1867: }
1.1 albertel 1868:
1.25 albertel 1869: sub start_preduedate {
1.326 albertel 1870: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 1871: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1872: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 1873: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 1874: if (!$Apache::lonhomework::scantronmode &&
1875: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1876: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1877: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 1878: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 1879: }
1.24 albertel 1880: }
1.159 albertel 1881: return '';
1.24 albertel 1882: }
1883:
1.25 albertel 1884: sub end_preduedate {
1.159 albertel 1885: return '';
1.24 albertel 1886: }
1887:
1.369 foxr 1888: # In all the modes where <postanswerdate> text is
1889: # displayable, all we do is eat up the text between the start/stop
1890: # tags if the conditions are not right to display it.
1.25 albertel 1891: sub start_postanswerdate {
1.326 albertel 1892: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 1893: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
1894: &Apache::lonnet::allowed('pav',
1895: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 1896: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 1897: $target eq 'tex' ) {
1.300 albertel 1898: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 1899: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
1900: (($target eq 'tex') && !$pav)) {
1.326 albertel 1901: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 1902: }
1903: }
1904: return '';
1.24 albertel 1905: }
1906:
1.25 albertel 1907: sub end_postanswerdate {
1.159 albertel 1908: return '';
1.24 albertel 1909: }
1910:
1.25 albertel 1911: sub start_notsolved {
1.326 albertel 1912: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1913: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 1914: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 1915: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1916: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1917: if ($gradestatus =~ /^correct/ &&
1918: &Apache::response::show_answer()) {
1.159 albertel 1919: &Apache::lonxml::debug("skipping");
1.326 albertel 1920: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 1921: }
1.24 albertel 1922: }
1.159 albertel 1923: return '';
1.24 albertel 1924: }
1925:
1.25 albertel 1926: sub end_notsolved {
1.159 albertel 1927: return '';
1.24 albertel 1928: }
1929:
1930: sub start_solved {
1.326 albertel 1931: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1932: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1933: $target eq 'tex') {
1934: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1935: if ($gradestatus !~ /^correct/ ||
1936: !&Apache::response::show_answer()) {
1.326 albertel 1937: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 1938: }
1.24 albertel 1939: }
1.159 albertel 1940: return '';
1.24 albertel 1941: }
1942:
1943: sub end_solved {
1.248 albertel 1944: return '';
1945: }
1946:
1947: sub start_problemtype {
1.326 albertel 1948: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 1949: my $result;
1.339 albertel 1950: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1951: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 1952: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1953: if (!defined($mode)) { $mode='show'; }
1954: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1955: my $found=0;
1956: foreach my $type (split(',',$for)) {
1957: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1958: }
1959: if ($mode eq 'show' && !$found) {
1.326 albertel 1960: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1961: }
1962: if ($mode eq 'hide' && $found) {
1.326 albertel 1963: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1964: }
1965: } elsif ($target eq 'edit') {
1966: $result .=&Apache::edit::tag_start($target,$token);
1967: $result.=&Apache::edit::select_arg('Mode:','mode',
1968: [['show','Show'],
1969: ['hide','Hide']]
1970: ,$token);
1971: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1972: [ ['exam','Exam/Quiz Problem'],
1973: ['survey','Survey'],
1.428 raeburn 1974: ['problem','Homework Problem'],
1975: ['practice','Practice Problem'] ]
1.248 albertel 1976: ,$token);
1977: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1978: } elsif ($target eq 'modified') {
1979: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1980: $safeeval,'mode','for');
1981: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1982: }
1983: return $result;
1984: }
1985:
1986: sub end_problemtype {
1.159 albertel 1987: return '';
1.24 albertel 1988: }
1.34 albertel 1989:
1990: sub start_startouttext {
1.159 albertel 1991: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1992: my @result=(''.'');
1993: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 1994:
1995: my $nesting =
1996: &Apache::lonxml::set_state('outtext',
1997: &Apache::lonxml::get_state('outtext')+1);
1998: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
1999: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
2000: }
1.159 albertel 2001: return (@result);
1.34 albertel 2002: }
1.159 albertel 2003:
1.34 albertel 2004: sub end_startouttext {
1.326 albertel 2005: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2006: my $result='';
2007: my $text='';
2008: if ($target eq 'edit') {
1.424 foxr 2009: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 2010: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.437 raeburn 2011: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>"
1.438 bisitz 2012: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 2013: .&Apache::edit::deletelist($target,$token)
2014: .'</span></td>';
1.425 raeburn 2015: unless ($env{'environment.wysiwygeditor'} eq 'on') {
1.434 foxr 2016: $result .= '<td align="left">'
2017: .&Apache::lonhtmlcommon::dragmath_button($areaid,1)
2018: .'</td>'
2019: .'<td>'
2020: .&Apache::edit::insertlist($target,$token)
2021: .'</td>';
2022: }
1.425 raeburn 2023: $result.='<td align="right" valign="top">' .
1.434 foxr 2024: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 2025: &Apache::edit::end_row().
1.362 albertel 2026: &Apache::edit::start_spanning_row()."\n".
1.255 www 2027: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 2028: }
2029: if ($target eq 'modified') {
1.219 albertel 2030: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 2031: }
2032: if ($target eq 'tex') {
2033: $result .= '\noindent ';
2034: }
2035: return $result;
1.34 albertel 2036: }
1.159 albertel 2037:
1.34 albertel 2038: sub start_endouttext {
1.159 albertel 2039: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2040: my $result='';
2041: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
2042: if ($target eq "modified") {
2043: $result='<endouttext />'.
1.377 albertel 2044: &Apache::edit::handle_insertafter('startouttext');
2045: }
1.404 albertel 2046:
2047: my $nesting =
2048: &Apache::lonxml::set_state('outtext',
2049: &Apache::lonxml::get_state('outtext')-1);
2050: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
2051: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
2052: &Apache::lonxml::set_state('outtext', 0);
2053: }
1.159 albertel 2054: return $result;
1.34 albertel 2055: }
1.159 albertel 2056:
1.34 albertel 2057: sub end_endouttext {
1.159 albertel 2058: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2059: my @result=('','');
2060: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
2061: return (@result);
1.34 albertel 2062: }
1.159 albertel 2063:
1.45 albertel 2064: sub delete_startouttext {
1.326 albertel 2065: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2066: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 2067: my $text=$$parser['-1']->get_text("/endouttext");
2068: my $ntoken=$$parser['-1']->get_token();
2069: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
2070: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
2071: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
2072: # they did the last time round
2073: &Apache::lonxml::increasedepth($ntoken);
2074: &Apache::lonxml::decreasedepth($ntoken);
2075: return 1;
1.193 www 2076: }
2077:
2078: sub start_simpleeditbutton {
2079: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2080: my $result='';
1.284 albertel 2081: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 2082: ($target eq 'web') &&
1.330 albertel 2083: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 2084: my $url=$env{'request.noversionuri'};
1.193 www 2085: $url=~s/\?.*$//;
1.367 albertel 2086: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 2087: # Warning makes more sense and is more important on edit screen
1.442 bisitz 2088: # $result='<p class="LC_warning">'
2089: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
2090: # .&Apache::loncommon::help_open_topic('Caching')
2091: # .'</p>';
1.451 bisitz 2092: $result.=&Apache::lonhtmlcommon::start_funclist()
2093: .&Apache::lonhtmlcommon::add_item_funclist(
2094: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
2095: .&mt('Edit').'</a>')
2096: .&Apache::lonhtmlcommon::end_funclist();
1.442 bisitz 2097:
1.193 www 2098: }
2099: return $result;
2100: }
2101:
2102: sub end_simpleeditbutton {
2103: return '';
1.45 albertel 2104: }
1.34 albertel 2105:
1.428 raeburn 2106: sub practice_problem_header {
2107: return '<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
2108: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
2109: '</span>';
2110: }
2111:
1.1 albertel 2112: 1;
2113: __END__
1.435 jms 2114:
2115: =pod
2116:
2117: =back
2118:
2119: =cut
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to structuretags.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework