Annotation of loncom/homework/structuretags.pm, revision 1.465.2.3
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.465.2.3! raeburn 4: # $Id: structuretags.pm,v 1.465.2.2 2010/08/16 17:51:02 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 {
1.465.2.2 raeburn 69: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startpartmarker','startouttext','endpartmarker','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 .= $pageheader;
1.462 raeburn 257: if (!defined($found{'body'})
258: && $env{'request.state'} ne 'construct'
259: && ($target eq 'web' || $target eq 'webgrade')) {
260:
261: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
262: if ($symb eq '' && !$publicuser) {
263: $page_start .= '<p class="LC_info">'
264: .&mt('Browsing resource, all submissions are temporary.')
265: .'</p>';
1.457 bisitz 266: }
1.344 albertel 267: }
268:
1.409 albertel 269: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 270: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 271: }
1.344 albertel 272:
1.159 albertel 273: my $form_tag_start;
274: if (!defined($found{'form'})) {
1.337 albertel 275: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.465 raeburn 276: my $uri = &Apache::loncommon::inhibit_menu_check(
1.455 droeschl 277: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.464 raeburn 278: $uri = &HTML::Entities::encode($uri,'<>&"');
1.327 albertel 279: $form_tag_start.=$uri.'" ';
280: if ($target eq 'edit') {
281: $form_tag_start.=&Apache::edit::form_change_detection();
282: }
1.368 albertel 283: $form_tag_start.='>'."\n";
1.355 albertel 284:
285: my $symb=&Apache::lonnet::symbread();
286: if ($symb =~ /\S/) {
287: $symb=
288: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
289: $form_tag_start.=
1.368 albertel 290: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 291: }
1.159 albertel 292: }
1.343 albertel 293: return ($page_start,$form_tag_start);
1.105 albertel 294: }
295:
1.141 matthew 296: #use Time::HiRes();
1.105 albertel 297: sub get_resource_name {
1.159 albertel 298: my ($parstack,$safeeval)=@_;
1.388 foxr 299: my $name;
1.204 albertel 300: if (defined($Apache::lonhomework::name)) {
1.388 foxr 301: $name = $Apache::lonhomework::name;
302: } else {
303: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 304: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 305: if ($name eq '') {
306: $name=&Apache::lonnet::EXT('resource.title');
307: if ($name eq 'con_lost') { $name = ''; }
308: }
309: if ($name!~/\S+/) {
310: $name=$env{'request.uri'};
311: $name=~s-.*/([^/]+)$-$1-;
312: }
313: # The name has had html tags escaped:
314:
315: $name=~s/</</gs;
316: $name=~s/>/>/gs;
317:
318: $Apache::lonhomework::name=$name;
1.204 albertel 319: }
1.159 albertel 320: return $name;
1.105 albertel 321: }
322:
323: sub setup_rndseed {
1.159 albertel 324: my ($safeeval)=@_;
325: my $rndseed;
1.367 albertel 326: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 327: if ($env{'request.state'} eq "construct"
328: || $symb eq ''
329: || $Apache::lonhomework::type eq 'practice'
330: || $Apache::lonhomework::history{'resource.CODE'}) {
1.316 www 331: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 332: ['rndseed']);
1.284 albertel 333: $rndseed=$env{'form.rndseed'};
1.159 albertel 334: if (!$rndseed) {
1.162 albertel 335: $rndseed=$Apache::lonhomework::history{'rndseed'};
336: if (!$rndseed) {
337: $rndseed=time;
338: }
1.284 albertel 339: $env{'form.rndseed'}=$rndseed;
1.162 albertel 340: }
1.374 albertel 341: if ( ($env{'form.resetdata'} eq &mt('New Problem Variation')
342: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 343: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 344: srand(time);
345: $rndseed=int(rand(2100000000));
1.284 albertel 346: $env{'form.rndseed'}=$rndseed;
347: delete($env{'form.resetdata'});
348: delete($env{'form.newrandomization'});
1.159 albertel 349: }
1.187 albertel 350: if (defined($rndseed) && $rndseed ne int($rndseed)) {
1.307 albertel 351: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
1.187 albertel 352: }
1.247 albertel 353: if ($Apache::lonhomework::history{'resource.CODE'}) {
354: $rndseed=&Apache::lonnet::rndseed();
355: }
1.221 albertel 356: if ($safeeval) {
357: &Apache::lonxml::debug("Setting rndseed to $rndseed");
1.250 albertel 358: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.221 albertel 359: }
1.159 albertel 360: }
361: return $rndseed;
1.105 albertel 362: }
363:
1.268 albertel 364: sub remember_problem_state {
365: return '
1.284 albertel 366: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
367: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
368: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 369: }
370:
1.423 www 371: sub problem_edit_buttons {
372: return '
1.408 albertel 373: <div class="LC_edit_problem_discards">
1.416 raeburn 374: <input type="button" name="submitmode" accesskey="d" value="'.&mt('Discard Edits and View').'" '.
1.423 www 375: ' onclick="javscript:setmode(this.form,'."'discard'".')" />
1.416 raeburn 376: <input '.&Apache::edit::submit_ask_anyway('setmode(this.form,'."'editxml'".')').' type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" />
1.407 albertel 377: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />
1.408 albertel 378: </div>
379: <div class="LC_edit_problem_saves">
1.416 raeburn 380: <input type="submit" name="submitbutton" accesskey="s" value="'.&mt('Save and Edit').'" />
381: <input type="submit" name="submitbutton" accesskey="v" value="'.&mt('Save and View').'" />
1.423 www 382: </div>';
383: }
384:
385: sub problem_edit_header {
386: return '<input type="hidden" name="submitted" value="edit" /><input type="hidden" name="problemmode" value="edit" />'.
387: &Apache::structuretags::remember_problem_state().'
388: <div class="LC_edit_problem_header">
389: <div class="LC_edit_problem_header_title">
390: '.&mt('Problem Editing').&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
391: </div>'.
392: &problem_edit_buttons().'
1.459 bisitz 393: <hr style="clear:both;" />
1.409 albertel 394: '.&Apache::lonxml::message_location().'
1.408 albertel 395: </div>
396: '.
1.458 bisitz 397: '<table border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
1.105 albertel 398: }
399:
400: sub problem_edit_footer {
1.412 albertel 401: return '</td></tr></table><br />
402: <div class="LC_edit_problem_footer">
1.453 bisitz 403: <hr />'.
1.423 www 404: &problem_edit_buttons().'
1.459 bisitz 405: <hr style="clear:both;" />
1.412 albertel 406: </div>
407: '.
408:
1.348 albertel 409: &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields()).
1.342 albertel 410: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 411: }
412:
1.235 albertel 413: sub option {
414: my ($value,$name) = @_;
415: my $result ="<option value='".$value."' ";
1.284 albertel 416: if ($env{'form.'.$name} eq $value) {
1.235 albertel 417: $result.=" selected='on' ";
418: }
419: $result.='>';
420: return $result;
421: }
422:
1.105 albertel 423: sub problem_web_to_edit_header {
1.159 albertel 424: my ($rndseed)=@_;
1.406 albertel 425: my $result .= '<div class="LC_edit_problem_header">';
426:
427: if (!$Apache::lonhomework::parsing_a_task) {
428: $result .=
429: '<div class="LC_edit_problem_header_title">'.
430: &mt('Problem Testing').
431: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
432: '</div>';
433: } else {
434: $result .=
435: '<div class="LC_edit_problem_header_title">'.
436: &mt('Task Testing').
437: '</div>';
438: }
439:
1.315 albertel 440: my $show_all_foils_text =
441: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 442: &mt('Show All Instances')
443: : &mt('Show All Foils');
1.315 albertel 444:
1.452 bisitz 445: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
446: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 447: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 448: $show_all.= ' /> '.$show_all_foils_text
449: .'</label></span>';
1.406 albertel 450:
451:
1.384 albertel 452:
1.406 albertel 453: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 454: if (!$Apache::lonhomework::parsing_a_task) {
455: $result.="
1.406 albertel 456: <div class='LC_edit_problem_header_row1'>
457: <span class=\"LC_nobreak\">
1.405 albertel 458: ".&mt("Problem Status:")."
1.235 albertel 459: <select name='problemstate'>
1.270 albertel 460: <option value=''></option>
1.235 albertel 461: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
462: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
463: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
464: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
465: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
466: </select>
1.406 albertel 467: </span>
468: <span class=\"LC_nobreak\">
1.405 albertel 469: ".&mt("Problem Type:")."
1.235 albertel 470: <select name='problemtype'>
1.270 albertel 471: <option value=''></option>
1.242 albertel 472: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
1.428 raeburn 473: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 474: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 475: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
476: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
477: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 478: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.235 albertel 479: </select>
1.406 albertel 480: </span>
481: $show_all
482: </div>
483: <div class='LC_edit_problem_header_row2'>
484: <span class=\"LC_nobreak\">
1.405 albertel 485: ".&mt("Feedback Mode:")."
1.235 albertel 486: <select name='problemstatus'>
487: <option value=''></option>
1.242 albertel 488: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.405 albertel 489: ".&option('no', 'problemstatus').&mt("Don't Show Incorect/Correct Feedback")."</option>
490: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 491: </select>
1.406 albertel 492: </span>
493: ";
494:
1.376 albertel 495: } elsif ($Apache::lonhomework::parsing_a_task) {
496: $result.="
1.406 albertel 497: <div class='LC_edit_problem_header_row1'>
498: <span class=\"LC_nobreak\">
1.405 albertel 499: ".&mt("Problem Status:")."
1.376 albertel 500: <select name='problemstate'>
501: <option value=''></option>
502: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
503: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
504: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
505: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
506: </select>
1.406 albertel 507: </span>
508: $show_all
509: ";
510: }
511: $result.='
512: <span class="LC_nobreak">
513: '.&mt('Apply style file: ').'
514: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
515: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
516: </span>
1.422 www 517: </div>
518: <div class="LC_edit_problem_header_row1">'.
519: &Apache::lonxml::renderingoptions().'
1.406 albertel 520: </div>
521: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
522: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
523: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
524: </div>
1.453 bisitz 525: <hr />
1.406 albertel 526: <div class="LC_edit_problem_header_randomize_row">
527: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
528: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
529: <input type="text" name="rndseed" size="10" value="'.
530: $rndseed.'"
531: onchange="javascript:document.lonhomework.changerandseed.click()" />';
532:
533: if (!$Apache::lonhomework::parsing_a_task) {
534: my $numtoanalyze=$env{'form.numtoanalyze'};
535: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 536: $result .= '<span class="LC_nobreak">'.
537: &mt('[_1] for [_2] versions.',
1.416 raeburn 538: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 539: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
540: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 541: $numtoanalyze.'" size="5" />').
542: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
543: '</span>';
544:
1.313 albertel 545: }
1.406 albertel 546:
547: $result.='
548: </div>
1.453 bisitz 549: <hr />
1.447 bisitz 550: <div>';
1.416 raeburn 551: $result.='<input type="hidden" name="problemmode" value="view" />';
552: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
553: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
554: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
555: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.408 albertel 556: $result.='
557: </div>
1.453 bisitz 558: <hr />
1.409 albertel 559: '.&Apache::lonxml::message_location().'
1.406 albertel 560: </div>';
1.159 albertel 561: return $result;
1.48 albertel 562: }
563:
1.65 albertel 564: sub initialize_storage {
1.357 albertel 565: my ($given_symb) = @_;
1.353 albertel 566: undef(%Apache::lonhomework::results);
567: undef(%Apache::lonhomework::history);
1.357 albertel 568: my ($symb,$courseid,$domain,$name) =
1.367 albertel 569: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 570:
571: # anonymous users (CODEd exams) have no data
572: if ($name eq 'anonymous'
573: && !defined($domain)) {
574: return;
575: }
576:
1.333 albertel 577: if ($env{'request.state'} eq 'construct'
578: || $symb eq ''
579: || $Apache::lonhomework::type eq 'practice') {
580:
581: my $namespace = $symb || $env{'request.uri'};
582: if ($env{'form.resetdata'} eq &mt('Reset Submissions') ||
1.374 albertel 583: ($env{'form.resetdata'} eq &mt('New Problem Variation')
584: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 585: $env{'form.newrandomization'} eq &mt('New Randomization')) {
586: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
587: &Apache::lonxml::debug("Attempt reset");
588: }
1.159 albertel 589: %Apache::lonhomework::history=
1.333 albertel 590: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.159 albertel 591: my ($temp)=keys %Apache::lonhomework::history ;
592: &Apache::lonxml::debug("Return message of $temp");
593: } else {
594: %Apache::lonhomework::history=
595: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
596: }
1.353 albertel 597:
1.159 albertel 598: #ignore error conditions
1.67 albertel 599: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 600: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 601: }
602:
1.435 jms 603: =pod
604:
605: =item finalize_storage()
606:
607: Stores away the result has to a student's environment
608: checks form.grade_ for specific values, other wises stores
609: to the running users environment
610: Will increment totals for attempts, students, and corrects
611: if running user has student role.
612:
613: =cut
614:
615:
1.65 albertel 616: sub finalize_storage {
1.357 albertel 617: my ($given_symb) = @_;
1.159 albertel 618: my $result;
1.289 albertel 619: if (%Apache::lonhomework::results) {
1.323 albertel 620: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
621: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 622: my ($symb,$courseid,$domain,$name) =
1.367 albertel 623: &Apache::lonnet::whichuser($given_symb);
1.333 albertel 624: if ($env{'request.state'} eq 'construct'
625: || $symb eq ''
626: || $Apache::lonhomework::type eq 'practice') {
627: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 628: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 629: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 630: $namespace,'',$domain,$name);
1.159 albertel 631: &Apache::lonxml::debug('Construct Store return message:'.$result);
632: } else {
633: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
634: $symb,$courseid,$domain,$name);
635: &Apache::lonxml::debug('Store return message:'.$result);
1.465.2.3! raeburn 636: &store_aggregates($symb,$courseid);
1.159 albertel 637: }
1.323 albertel 638: } else {
639: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 640: }
1.159 albertel 641: return $result;
1.65 albertel 642: }
643:
1.435 jms 644: =pod
645:
646: item store_aggregates()
647:
648: Sends hash of values to be incremented in nohist_resourcetracker.db
649: for the course. Increments total number of attempts, unique students
650: and corrects for each part for an instance of a problem, as appropriate.
651:
652: =cut
653:
1.285 raeburn 654: sub store_aggregates {
655: my ($symb,$courseid) = @_;
1.465.2.3! raeburn 656: my (%aggregate,%anoncounter);
1.286 albertel 657: my @parts;
1.288 albertel 658: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
659: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 660: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 661: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 662: push(@parts, $1);
1.285 raeburn 663: }
664: }
1.286 albertel 665: foreach my $part (@parts) {
1.465.2.3! raeburn 666: if ($env{'request.role'} =~/^st/) {
! 667: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
! 668: eq 'APPROX_ANS' ||
! 669: $Apache::lonhomework::results{'resource.'.$part.'.award'}
! 670: eq 'EXACT_ANS') {
! 671: $aggregate{$symb."\0".$part."\0correct"} = 1;
! 672: }
! 673: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
! 674: $aggregate{$symb."\0".$part."\0users"} = 1;
! 675: } else {
! 676: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
! 677: if ($last_reset) {
! 678: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
! 679: $aggregate{$symb."\0".$part."\0users"} = 1;
! 680: }
! 681: }
! 682: }
! 683: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 684: }
1.465.2.3! raeburn 685: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
! 686: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred')) {
! 687: $anoncounter{$symb."\0".$part} = 1;
! 688: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}};
! 689: if ($needsrelease) {
! 690: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
! 691: if ($curr_required eq '') {
! 692: &Apache::lonnet::update_released_required($needsrelease);
! 693: } else {
! 694: my ($currmajor,$currminor) = split(/\./,$curr_required);
! 695: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
! 696: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
! 697: &Apache::lonnet::update_released_required($needsrelease);
! 698: }
1.292 raeburn 699: }
700: }
1.285 raeburn 701: }
702: }
1.292 raeburn 703: if (keys (%aggregate) > 0) {
1.289 albertel 704: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 705: $cdomain,$cname);
706: }
1.465.2.3! raeburn 707: if (keys(%anoncounter) > 0) {
! 708: &Apache::lonnet::cinc('nohist_anonsurveys',\%anoncounter,
! 709: $cdomain,$cname);
! 710: }
1.292 raeburn 711: }
1.289 albertel 712:
1.65 albertel 713: sub checkout_msg {
1.211 albertel 714: my %lt=&Apache::lonlocal::texthash(
715: 'resource'=>'The resource needs to be checked out',
716: '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.',
717: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
718: 'checkout'=>'Check out Exam for Viewing',
719: 'checkout?'=>'Check out Exam?');
1.352 albertel 720: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 721: return (<<ENDCHECKOUT);
1.211 albertel 722: <h2>$lt{'resource'}</h2>
723: <p>$lt{'id_expln'}</p>
1.449 bisitz 724: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 725: <form name="checkout" method="post" action="$uri">
1.91 albertel 726: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 727: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 728: </form>
729: ENDCHECKOUT
730: }
731:
1.252 albertel 732: sub firstaccess_msg {
1.253 albertel 733: my ($time,$symb)=@_;
1.414 albertel 734: my $result;
735: my @interval=&Apache::lonnet::EXT("resource.0.interval");
736: if ($interval[1] eq 'map') {
737: my ($map)=&Apache::lonnet::decode_symb($symb);
738: my $foldertitle=&Apache::lonnet::gettitle($map);
739:
740: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.418 bisitz 741: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
742: .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
743: ,$foldertitle,$time)."</h2>";
1.414 albertel 744: } elsif ($interval[1] eq 'course') {
745: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.418 bisitz 746: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
747: .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
748: ,$course,$time)."</h2>";
1.414 albertel 749: } else {
750: my $title=&Apache::lonnet::gettitle($symb);
1.418 bisitz 751: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.'
752: .' Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
753: ,$title,$time)."</h2>";
1.414 albertel 754: }
1.352 albertel 755: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 756: my $buttontext = &mt('Show Resource');
757: my $timertext = &mt('Start Timer?');
1.414 albertel 758: $result .= (<<ENDCHECKOUT);
1.444 bisitz 759: <form name="markaccess" method="post" action="$uri">
1.252 albertel 760: <input type="hidden" name="markaccess" value="yes" />
1.418 bisitz 761: <input type="button" name="accessbutton" value="$buttontext" onClick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 762: </form>
763: ENDCHECKOUT
1.414 albertel 764: return $result;
1.252 albertel 765: }
766:
1.204 albertel 767: sub init_problem_globals {
768: my ($type)=@_;
769: #initialize globals
1.308 foxr 770: # For problems, we start out in part 0 (outside a <part> tag).
771: # and part 0 is used to describe the main body of the <problem>
772: #
1.204 albertel 773: if ($type eq 'problem') {
774: $Apache::inputtags::part='0';
775: @Apache::inputtags::partlist=('0');
1.405 albertel 776: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 777: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 778:
1.266 albertel 779: } elsif ($type eq 'library') {
1.204 albertel 780: $Apache::inputtags::part='';
781: @Apache::inputtags::partlist=();
1.405 albertel 782: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 783: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 784:
1.304 albertel 785: } elsif ($type eq 'Task') {
786: $Apache::inputtags::part='0';
787: @Apache::inputtags::partlist=('0');
1.405 albertel 788: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 789: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 790: }
791: @Apache::inputtags::responselist = ();
792: @Apache::inputtags::importlist = ();
793: @Apache::inputtags::previous=();
794: @Apache::inputtags::previous_version=();
795: $Apache::structuretags::printanswer='No';
796: @Apache::structuretags::whileconds=();
797: @Apache::structuretags::whilebody=();
798: @Apache::structuretags::whileline=();
799: $Apache::lonhomework::scantronmode=0;
800: undef($Apache::lonhomework::name);
1.358 albertel 801: undef($Apache::lonhomework::default_type);
802: undef($Apache::lonhomework::type);
1.204 albertel 803: }
804:
805: sub reset_problem_globals {
806: my ($type)=@_;
807: undef(%Apache::lonhomework::history);
808: undef(%Apache::lonhomework::results);
809: undef($Apache::inputtags::part);
1.208 albertel 810: #don't undef this, lonhomework.pm takes care of this, we use this to
811: #detect if we try to do 2 problems in one file
812: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 813: undef($Apache::lonhomework::name);
1.358 albertel 814: undef($Apache::lonhomework::default_type);
815: undef($Apache::lonhomework::type);
816: undef($Apache::lonhomework::scantronmode);
817: undef($Apache::lonhomework::ignore_response_errors);
1.405 albertel 818: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 819: }
820:
1.241 albertel 821: sub set_problem_state {
1.240 albertel 822: my ($part)=@_;
1.284 albertel 823: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 824: $Apache::lonhomework::history{"resource.$part.solved"}=
825: 'correct_by_student';
826: }
827: }
828:
1.241 albertel 829: sub get_problem_status {
830: my ($part)=@_;
1.267 albertel 831: my $problem_status;
1.284 albertel 832: if ($env{'request.state'} eq 'construct' &&
833: defined($env{'form.problemstatus'})) {
834: $problem_status=$env{'form.problemstatus'};
1.267 albertel 835: } else {
836: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
837: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 838: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 839: }
840: return $problem_status;
841: }
842:
1.9 albertel 843: sub start_problem {
1.326 albertel 844: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 845:
1.311 foxr 846: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 847: if (!$Apache::lonxml::metamode) {
848: &Apache::lonxml::startredirection();
849: }
1.311 foxr 850:
1.308 foxr 851: # Problems don't nest and we don't allow more than one <problem> in
852: # a .problem file.
853: #
1.184 albertel 854: if ( $Apache::inputtags::part ne '' ||
855: $Apache::lonhomework::parsing_a_problem) {
856: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 857: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 858: return '';
859: }
1.184 albertel 860:
861: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 862: &init_problem_globals('problem');
1.166 albertel 863:
1.284 albertel 864: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 865: $Apache::lonhomework::scantronmode=1;
866: }
1.161 albertel 867:
1.159 albertel 868: if ($target ne 'analyze') {
1.415 raeburn 869: my $type = &Apache::lonnet::EXT('resource.0.type');
870: $Apache::lonhomework::type=$type;
1.284 albertel 871: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 872: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 873: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 874: }
1.332 albertel 875: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 876: }
1.164 albertel 877: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 878: my $uri=$env{'request.uri'};
1.159 albertel 879: if ($uri=~/\.(\w+)$/) {
880: $Apache::lonhomework::type=$1;
881: &Apache::lonxml::debug("Using type of $1");
882: } else {
883: $Apache::lonhomework::type='problem';
884: &Apache::lonxml::debug("Using default type, problem, :$uri:");
885: }
1.87 albertel 886: }
1.301 albertel 887: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 888:
1.363 albertel 889: &initialize_storage();
1.389 albertel 890: if ($target ne 'analyze'
891: && $env{'request.state'} eq 'construct') {
892: &set_problem_state('0');
893: }
894:
1.366 albertel 895: if ($target eq 'web') {
896: &Apache::lonxml::debug(" grading history ");
897: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
898: }
1.363 albertel 899:
1.159 albertel 900: #added vars to the scripting enviroment
1.213 albertel 901: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 902: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 903: &Apache::run::run($expression,$safeeval);
1.159 albertel 904: my $status;
905: my $accessmsg;
906:
1.343 albertel 907: my $name= &get_resource_name($parstack,$safeeval);
1.350 albertel 908: my ($result,$form_tag_start);
1.354 albertel 909: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
910: || $target eq 'edit') {
1.350 albertel 911: ($result,$form_tag_start) =
912: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
913: $name);
914: }
915:
1.284 albertel 916: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 917:
918: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
919: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
920: $target eq 'tex') {
921: #handle exam checkout
922: if ($Apache::lonhomework::type eq 'exam') {
923: my $token=
924: $Apache::lonhomework::history{"resource.0.outtoken"};
1.284 albertel 925: if (($env{'form.doescheckout'}) && (!$token)) {
1.159 albertel 926: $token=&Apache::lonxml::maketoken();
927: $Apache::lonhomework::history{"resource.0.outtoken"}=
928: $token;
929: }
1.343 albertel 930: $result.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 931: }
1.284 albertel 932: if ($env{'form.markaccess'}) {
1.414 albertel 933: my @interval=&Apache::lonnet::EXT("resource.0.interval");
934: &Apache::lonnet::set_first_access($interval[1]);
1.252 albertel 935: }
1.159 albertel 936: #handle rand seed in construction space
937: my $rndseed=&setup_rndseed($safeeval);
1.367 albertel 938: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 939: if ($env{'request.state'} ne "construct" &&
940: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 941: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.462 raeburn 942: $rndseed.'" />'.
943: '<input type="submit" name="resetdata"
944: value="'.&mt('New Problem Variation').'" />';
1.334 albertel 945: if (exists($env{'form.username'})) {
946: $form_tag_start.=
1.164 albertel 947: '<input type="hidden" name="username"
1.284 albertel 948: value="'.$env{'form.username'}.'" />';
1.334 albertel 949: }
1.462 raeburn 950: if ($env{'request.role.adv'}) {
951: $form_tag_start.= ' <label class="LC_nobreak">'
952: .'<input type="checkbox" name="showallfoils"';
953: if (defined($env{'form.showallfoils'})) {
954: $form_tag_start.=' checked="checked"';
955: }
956: $form_tag_start.= ' /> '
957: .&mt('Show All Foils')
958: .'</label>';
959: }
1.417 www 960: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 961: $form_tag_start.=&practice_problem_header();
1.417 www 962: }
1.462 raeburn 963: $form_tag_start.='<hr />';
1.162 albertel 964: }
1.324 albertel 965:
966: ($status,$accessmsg,my $slot_name,my $slot) =
967: &Apache::lonhomework::check_slot_access('0','problem');
1.159 albertel 968: push (@Apache::inputtags::status,$status);
1.324 albertel 969:
1.159 albertel 970: my $expression='$external::datestatus="'.$status.'";';
971: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
972: &Apache::run::run($expression,$safeeval);
973: &Apache::lonxml::debug("Got $status");
1.324 albertel 974:
1.159 albertel 975: if (( $status eq 'CLOSED' ) ||
976: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 977: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 978: ( $status eq 'BANNED') ||
1.216 albertel 979: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 980: ( $status eq 'NOT_IN_A_SLOT') ||
1.216 albertel 981: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 982: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
983: $style);
1.159 albertel 984: if ( $target eq "web" ) {
1.343 albertel 985: my $msg;
1.159 albertel 986: if ($status eq 'UNAVAILABLE') {
1.245 albertel 987: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.441 raeburn 988: } elsif ($status eq 'NOT_IN_A_SLOT') {
989: $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.253 albertel 990: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 991: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 992: }
1.216 albertel 993: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 994: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 995: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 996: $msg.=&checkout_msg();
1.252 albertel 997: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 998: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 999: } elsif ($status eq 'NOT_IN_A_SLOT') {
1.441 raeburn 1000: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1.159 albertel 1001: }
1002: $result.=$msg.'<br />';
1003: } elsif ($target eq 'tex') {
1.332 albertel 1004: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1005: : '\begin{minipage}{\textwidth}';
1.443 foxr 1006: $result.='\noindent \vskip 1 mm '.
1.332 albertel 1007: $startminipage.'\vskip 0 mm';
1.159 albertel 1008: if ($status eq 'UNAVAILABLE') {
1.211 albertel 1009: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 1010: } else {
1.211 albertel 1011: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 1012: }
1013: }
1.324 albertel 1014: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1015: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1016: $style);
1.324 albertel 1017: if ($target eq 'web') {
1.375 albertel 1018: $result .=
1019: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 1020: } elsif ($target eq 'grade') {
1021: &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
1022: 'problem');
1023: }
1.159 albertel 1024: } elsif ($target eq 'web') {
1.360 albertel 1025: if ($status eq 'CAN_ANSWER'
1026: && $slot_name ne ''
1027: && $Apache::lonhomework::history{'resource.0.checkedin'} eq '') {
1028: # unproctored slot access, self checkin
1029: &Apache::bridgetask::check_in('problem',undef,undef,
1030: $slot_name);
1031: }
1.368 albertel 1032: $result.="\n $form_tag_start \t".
1.227 albertel 1033: '<input type="hidden" name="submitted" value="yes" />';
1034: # create a page header and exit
1.284 albertel 1035: if ($env{'request.state'} eq "construct") {
1036: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.428 raeburn 1037: if ($Apache::lonhomework::type eq 'practice') {
1038: $result.= '<input type="submit" name="resetdata" '.
1039: 'value="'.&mt('New Problem Variation').'" />'.
1040: &practice_problem_header().'<hr />';
1041: }
1.227 albertel 1042: }
1043: # if we are viewing someone else preserve that info
1.284 albertel 1044: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1045: foreach my $field ('symb','courseid','domain','username') {
1046: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1047: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1048: }
1049: }
1050: } elsif ($target eq 'tex') {
1.319 foxr 1051: $result .= 'INSERTTEXFRONTMATTERHERE';
1052:
1.99 sakharuk 1053: }
1.159 albertel 1054: } elsif ($target eq 'edit') {
1.343 albertel 1055: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1056: $Apache::lonxml::warnings_error_header=
1057: &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 1058: my $temp=&Apache::edit::insertlist($target,$token);
1059: $result.=$temp;
1060: } elsif ($target eq 'modified') {
1061: $result=$token->[4];
1062: } else {
1063: # page_start returned a starting result, delete it if we don't need it
1064: $result = '';
1.99 sakharuk 1065: }
1.159 albertel 1066: return $result;
1.9 albertel 1067: }
1068:
1069: sub end_problem {
1.159 albertel 1070: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 1071: my $result;
1.310 foxr 1072:
1.321 albertel 1073: if (!$Apache::lonxml::metamode) {
1074: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 1075: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1076: }
1.319 foxr 1077:
1078: if ($target eq 'tex') {
1.321 albertel 1079: # Figure out the front matter and replace the
1080: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1081: # this in end_problem because whether or not we display due
1082: # dates depends on whether due dates have already been
1083: # displayed in the problem parts.
1084:
1.319 foxr 1085: my $frontmatter = '';
1086: my $startminipage = '';
1087: if (not $env{'form.problem_split'}=~/yes/) {
1088: $startminipage = '\begin{minipage}{\textwidth}';
1089: }
1090: my $id = $Apache::inputtags::part;
1091: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1092: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1093: my @packages = split /,/,$packages;
1094: my $allow_print_points = 0;
1095: foreach my $partial_key (@packages) {
1096: if ($partial_key=~m/^part_0$/) {
1097: $allow_print_points=1;
1098: }
1099: }
1100: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1101: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1102: if (lc($env{'course.'.$env{'request.course.id'}.
1103: '.disableexampointprint'}) eq 'yes') {
1104: $allow_print_points=0;
1105: }
1106: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 1107: 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 1108: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1109: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1110:
1111: # Figure out what the due date is and if we need to print
1112: # it in the problem header. We have been logging the
1113: # last due date written to file.
1114:
1115: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1116: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 1117: my $duedate_text = &mt('Due date: [_1]'
1118: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 1119: my $temp_file;
1120: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1121:
1122: # Figure out what the last printed due date is or set it
1123: # to the epoch if no duedates have been printed.
1124:
1125: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1126: if (-e $filename) {
1127: $temp_file = Apache::File->new($filename);
1128: my @due_file = <$temp_file>;
1129: $due_file_content = $due_file[$#due_file];
1130: chomp $due_file_content;
1131: }
1132:
1133: # We display the due date iff it is not the same as the last
1134: # duedate in problem header ($due_file_content), and
1135: # none of our parts displayed a duedate.
1136: #
1137: my $parts_with_displayduedate;
1138: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1139: $parts_with_displayduedate =
1140: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1141: } else {
1142: $parts_with_displayduedate = 0;
1143: }
1144: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1145: $temp_file = Apache::File->new('>'.$filename);
1146: print $temp_file "$duetime\n";
1147: if (not $env{'request.symb'} =~ m/\.page_/) {
1148: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1149: $frontmatter .= $begin_doc.
1.448 bisitz 1150: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 1151: } else {
1152: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 1153: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1154: $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';
1155: }
1.319 foxr 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;
1.463 foxr 1163: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1164: $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';
1165: }
1.319 foxr 1166: } else {
1.381 albertel 1167: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1168: }
1169: }
1170: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1171: }
1172:
1.159 albertel 1173: my $status=$Apache::inputtags::status['-1'];
1174: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1175: $target eq 'tex') {
1.249 albertel 1176: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1177: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1178: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1179: &Apache::inputtags::grade;
1.324 albertel 1180: } elsif ($status eq 'NEEDS_CHECKIN') {
1181: # no need to grade, and don't want to hide data
1.249 albertel 1182: } else {
1183: # move any submission data to .hidden
1184: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1185: }
1.159 albertel 1186: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1187: $Apache::inputtags::part eq '0' &&
1.252 albertel 1188: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 1189: # if part is zero, no <part>s existed, so we need show the current
1190: # grading status
1191: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1192: $result.= $gradestatus;
1193: }
1194: if (
1.284 albertel 1195: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1196: ($target eq 'answer') || ($target eq 'tex')
1197: ) {
1.227 albertel 1198: if ($target ne 'tex' &&
1.284 albertel 1199: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 1200: $result.="</form>";
1.348 albertel 1201: $result.= &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields());
1.159 albertel 1202: }
1203: if ($target eq 'web') {
1.346 albertel 1204: $result.= &Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1205: } elsif ($target eq 'tex') {
1.178 sakharuk 1206: my $endminipage = '';
1.284 albertel 1207: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1208: $endminipage = '\end{minipage}';
1209: }
1.284 albertel 1210: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1211: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1212: } else {
1.262 sakharuk 1213: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1214: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1215: $result .= $endminipage.'\end{document} ';
1216: } else {
1.382 albertel 1217: $result .= $endminipage;
1.262 sakharuk 1218: }
1.159 albertel 1219: }
1220: }
1221: }
1222: if ($target eq 'grade') {
1223: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1224: &finalize_storage();
1225: }
1.284 albertel 1226: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
1227: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 1228: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 1229: # normally we get it from above, but in CSTR
1.172 albertel 1230: # we always show answer mode too.
1.159 albertel 1231: }
1232: } elsif ($target eq 'meta') {
1233: if ($Apache::inputtags::part eq '0') {
1.179 albertel 1234: @Apache::inputtags::response=();
1.159 albertel 1235: $result=&Apache::response::mandatory_part_meta;
1236: }
1.215 albertel 1237: $result.=&Apache::response::meta_part_order();
1.258 albertel 1238: $result.=&Apache::response::meta_response_order();
1.159 albertel 1239: } elsif ($target eq 'edit') {
1240: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 1241: $result .= &problem_edit_footer();
1.320 albertel 1242: } elsif ($target eq 'modified') {
1243: $result .= $token->[2];
1.159 albertel 1244: }
1.155 albertel 1245:
1.284 albertel 1246: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 1247: &Apache::inputtags::check_for_duplicate_ids();
1248: }
1.204 albertel 1249:
1250: &reset_problem_globals('problem');
1.159 albertel 1251:
1252: return $result;
1.48 albertel 1253: }
1254:
1.108 albertel 1255:
1.48 albertel 1256: sub start_library {
1.159 albertel 1257: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 1258: my ($result,$form_tag_start);
1.371 albertel 1259: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 1260: &init_problem_globals('library');
1261: $Apache::lonhomework::type='problem';
1262: }
1.159 albertel 1263: if ($target eq 'edit') {
1.343 albertel 1264: ($result,$form_tag_start)=
1265: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1266: 'Edit');
1267: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 1268: my $temp=&Apache::edit::insertlist($target,$token);
1269: $result.=$temp;
1270: } elsif ($target eq 'modified') {
1271: $result=$token->[4];
1.340 albertel 1272: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 1273: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 1274: && $env{'request.state'} eq "construct" ) {
1.159 albertel 1275: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 1276: ($result,$form_tag_start)=
1277: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1278: $name);
1.159 albertel 1279: my $rndseed=&setup_rndseed($safeeval);
1.343 albertel 1280: $result.=" \n $form_tag_start".
1.159 albertel 1281: '<input type="hidden" name="submitted" value="yes" />';
1282: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 1283: if ($Apache::lonhomework::type eq 'practice') {
1284: $result.= '<input type="submit" name="resetdata" '.
1285: 'value="'.&mt('New Problem Variation').'" />'.
1286: &practice_problem_header().'<hr />';
1287: }
1.159 albertel 1288: }
1289: return $result;
1.48 albertel 1290: }
1291:
1292: sub end_library {
1.159 albertel 1293: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1294: my $result='';
1295: if ($target eq 'edit') {
1296: $result=&problem_edit_footer();
1.371 albertel 1297: } elsif ($target eq 'web'
1298: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1299: && $env{'request.state'} eq "construct") {
1.349 albertel 1300: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1301: }
1.371 albertel 1302: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1303: &reset_problem_globals('library');
1304: }
1.159 albertel 1305: return $result;
1.197 www 1306: }
1307:
1308: sub start_definetag {
1.326 albertel 1309: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 1310:
1311: my $result;
1312:
1313: my $name = $token->[2]->{'name'};
1.326 albertel 1314: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 1315: if ($target eq 'web') {
1316: if ($name=~/^\//) {
1317: $result=
1318: '<br /><table class="LC_sty_end"><tr><th>'.
1319: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1320: } else {
1321: $result=
1322: '<br /><table class="LC_sty_begin"><tr><th>'.
1323: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1324: }
1325: $skip = &HTML::Entities::encode($skip, '<>&"');
1326: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 1327: }
1328: return $result;
1329: }
1330:
1331: sub end_definetag {
1332: return '';
1.1 albertel 1333: }
1334:
1335: sub start_block {
1.201 albertel 1336: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 1337:
1338: my $result;
1.1 albertel 1339:
1.339 albertel 1340: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1341: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 1342: my $code = $token->[2]->{'condition'};
1.385 albertel 1343: if (defined($code) && $code ne '') {
1.137 albertel 1344: if (!$Apache::lonxml::default_homework_loaded) {
1345: &Apache::lonxml::default_homework_load($safeeval);
1346: }
1.131 albertel 1347: $result = &Apache::run::run($code,$safeeval);
1348: &Apache::lonxml::debug("block :$code: returned :$result:");
1349: } else {
1350: $result='1';
1351: }
1352: if ( ! $result ) {
1.201 albertel 1353: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 1354: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1355: }
1356: $result='';
1357: } elsif ($target eq 'edit') {
1358: $result .=&Apache::edit::tag_start($target,$token);
1359: $result .=&Apache::edit::text_arg('Test Condition:','condition',
1360: $token,40);
1361: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1362: } elsif ($target eq 'modified') {
1363: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1364: $safeeval,'condition');
1365: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 1366: }
1.131 albertel 1367: return $result;
1.1 albertel 1368: }
1369:
1370: sub end_block {
1.167 www 1371: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1372: my $result;
1373: if ($target eq "edit") {
1374: $result.= &Apache::edit::tag_end($target,$token,'');
1375: }
1376: return $result;
1377: }
1378:
1379: sub start_languageblock {
1.201 albertel 1380: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 1381:
1382: my $result;
1383:
1.339 albertel 1384: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1385: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 1386: my $include = $token->[2]->{'include'};
1387: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 1388: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.394 www 1389: # This should not even happen, since we should at least have the server language
1.398 www 1390: if (!$preferred_languages[0]) { $preferred_languages[0]='en'; }
1391: # Now loop over all languages in order of preference
1392: foreach my $preferred_language (@preferred_languages) {
1.394 www 1393: # If the languageblock has no arguments, show the contents
1.399 www 1394: $result=1;
1395: my $found=0;
1.394 www 1396: # Do we have an include argument?
1.398 www 1397: if ($include) {
1.394 www 1398: # If include is specified, by default, don't render the block
1.399 www 1399: $result=0;
1.398 www 1400: foreach my $included_language (split(/\,/,$include)) {
1.394 www 1401: # ... but if my preferred language is included, render it
1.398 www 1402: if ($included_language eq $preferred_language) {
1.399 www 1403: $result=1;
1404: $found=1;
1.398 www 1405: }
1406: }
1407: }
1.394 www 1408: # Do we have an exclude argument?
1.398 www 1409: if ($exclude) {
1.399 www 1410: $result=1;
1.398 www 1411: foreach my $excluded_language (split(/\,/,$exclude)) {
1412: if ($excluded_language eq $preferred_language) {
1.399 www 1413: $result=0;
1414: $found=1;
1.398 www 1415: }
1416: }
1417: }
1.399 www 1418: if ($found) { last; }
1.398 www 1419: }
1.201 albertel 1420: if ( ! $result ) {
1421: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
1422: $style);
1423: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1424: }
1425: $result='';
1.167 www 1426: } elsif ($target eq 'edit') {
1427: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1428: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 1429: $token,40);
1.211 albertel 1430: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 1431: $token,40);
1432: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1433: } elsif ($target eq 'modified') {
1434: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 1435: $safeeval,'include',
1436: 'exclude');
1.167 www 1437: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1438: }
1439: return $result;
1440: }
1441:
1442: sub end_languageblock {
1.170 www 1443: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1444: my $result;
1.201 albertel 1445: if ($target eq "edit") {
1.170 www 1446: $result.= &Apache::edit::tag_end($target,$token,'');
1447: }
1448: return $result;
1449: }
1450:
1.397 albertel 1451: {
1452: my %available_texts;
1453: sub start_translated {
1454: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1455: &Apache::lonxml::register('Apache::structuretags',('lang'));
1456: undef(%available_texts);
1457: }
1458:
1459: sub end_translated {
1460: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1461: my $result;
1462: #show the translation on viewable targets
1463: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
1464: # or non-viewable targets, if it's embedded in something that
1465: # wants the output
1466: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
1467: && &Apache::lonxml::in_redirection() ) ) {
1468: my @possibilities = keys(%available_texts);
1469: my $which =
1470: &Apache::loncommon::languages(\@possibilities) || 'default';
1471: $result = $available_texts{$which};
1472: }
1473: undef(%available_texts);
1474: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
1475: return $result;
1476: }
1477:
1478:
1479: sub start_lang {
1480: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1481: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1482: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1483: &Apache::lonxml::startredirection();
1484: }
1485: return '';
1486: }
1487:
1488: sub end_lang {
1489: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1490: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1491: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1492: my $result = &Apache::lonxml::endredirection();
1493: my $which = &Apache::lonxml::get_param('which',$parstack,
1494: $safeeval);
1.431 raeburn 1495: if ($which=~/\w/) {
1496: $available_texts{$which} = $result;
1497: }
1498: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
1499: $safeeval);
1500: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
1501: if ($language=~/\w/) {
1502: $available_texts{$language} = $result;
1503: }
1.427 bisitz 1504: }
1505:
1.397 albertel 1506: }
1507: return '';
1508: }
1509: }
1510:
1.170 www 1511: sub start_instructorcomment {
1.201 albertel 1512: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 1513:
1514: my $result;
1515:
1.339 albertel 1516: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1517: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.465.2.1 raeburn 1518: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 1519: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 1520: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
1521: $parser,$style);
1.170 www 1522: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1523: }
1524: $result='';
1525: } elsif ($target eq 'edit') {
1526: $result .=&Apache::edit::tag_start($target,$token);
1527: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1528: }
1529: return $result;
1530: }
1531:
1532: sub end_instructorcomment {
1.159 albertel 1533: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1534: my $result;
1535: if ($target eq "edit") {
1536: $result.= &Apache::edit::tag_end($target,$token,'');
1537: }
1538: return $result;
1.4 tsai 1539: }
1540:
1541: sub start_while {
1.326 albertel 1542: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1543:
1.160 albertel 1544: my $result;
1.339 albertel 1545: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1546: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1547: my $code = $token->[2]->{'condition'};
1.4 tsai 1548:
1.160 albertel 1549: push( @Apache::structuretags::whileconds, $code);
1550: if (!$Apache::lonxml::default_homework_loaded) {
1551: &Apache::lonxml::default_homework_load($safeeval);
1552: }
1553: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 1554: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 1555: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 1556: push( @Apache::structuretags::whileline, $token->[5]);
1557: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 1558: if ( $result ) {
1559: &Apache::lonxml::newparser($parser,\$bodytext);
1560: }
1561: } elsif ($target eq 'edit') {
1562: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1563: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 1564: $token,40);
1565: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1566: } elsif ($target eq 'modified') {
1567: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1568: $safeeval,'condition');
1569: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 1570: }
1.160 albertel 1571: return $result;
1.4 tsai 1572: }
1573:
1574: sub end_while {
1.159 albertel 1575: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1576: my $result;
1577:
1.339 albertel 1578: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1579: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1580: my $code = pop(@Apache::structuretags::whileconds);
1581: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1582: my $line = pop(@Apache::structuretags::whileline);
1583: my $return = &Apache::run::run($code,$safeeval);
1584: my $starttime=time;
1585: my $error=0;
1586: while ($return) {
1587: if (time-$starttime >
1588: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 1589: $return = 0; $error=1; next;
1.161 albertel 1590: }
1591: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 1592: if ($target eq 'grade' || $target eq 'answer' ||
1593: $target eq 'analyze') {
1594: # grade/answer/analyze should produce no output but if we
1595: # are redirecting, the redirecter should know what to do
1596: # with the output
1597: if (!$Apache::lonxml::redirection) { undef($result); }
1598: }
1.161 albertel 1599: $return = &Apache::run::run($code,$safeeval);
1600: }
1601: if ($error) {
1.430 bisitz 1602: &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 1603: }
1604: } elsif ($target eq "edit") {
1605: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1606: }
1.160 albertel 1607: return $result;
1.1 albertel 1608: }
1.6 tsai 1609:
1.160 albertel 1610: # <randomlist show="1">
1.6 tsai 1611: # <tag1>..</tag1>
1612: # <tag2>..</tag2>
1613: # <tag3>..</tag3>
1.160 albertel 1614: # ...
1.6 tsai 1615: # </randomlist>
1616: sub start_randomlist {
1.326 albertel 1617: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1618: my $result;
1.339 albertel 1619: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1620: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 1621: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 1622: my $b_parser= HTML::LCParser->new(\$body);
1623: $b_parser->xml_mode(1);
1624: $b_parser->marked_sections(1);
1.159 albertel 1625: my $b_tok;
1626: my @randomlist;
1627: my $list_item;
1628: while($b_tok = $b_parser->get_token() ) {
1629: if($b_tok->[0] eq 'S') { # start tag
1630: # get content of the tag until matching end tag
1631: # get all text upto the matching tag
1632: # and push the content into @randomlist
1633: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1634: $b_parser);
1635: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1636: push(@randomlist,$list_item);
1637: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1638: # $list_item</b>";
1639: }
1640: if($b_tok->[0] eq 'T') { # text
1641: # what to do with text in between tags?
1642: # print "<b>TEXT $b_tok->[1]</b><br />";
1643: }
1644: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1645: # print "<b>END-TAG $b_tok->[1]</b><br />";
1646: # }
1647: }
1.303 albertel 1648: if (@randomlist) {
1649: my @idx_arr = (0 .. $#randomlist);
1650: &Apache::structuretags::shuffle(\@idx_arr);
1651: my $bodytext = '';
1652: my $show=$#randomlist;
1653: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1654: $showarg--;
1655: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 1656: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
1657: my @currlist;
1658: my $part = $Apache::inputtags::part;
1659: if ($part ne '') {
1660: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
1661: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
1662: if (!(grep(/^\Q$part\E$/,@currlist))) {
1663: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
1664: }
1665: } else {
1666: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
1667: }
1668: }
1669: }
1.303 albertel 1670: for(0 .. $show) {
1671: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1672: }
1673: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 1674: }
1675: } elsif ($target eq 'edit' ) {
1676: $result .=&Apache::edit::tag_start($target,$token);
1677: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1678: $token,5);
1679: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1680: } elsif ($target eq 'modified' ) {
1681: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1682: $safeeval,'show');
1683: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1684: }
1685: return $result;
1.7 tsai 1686: }
1687:
1688: sub shuffle {
1689: my $a=shift;
1690: my $i;
1.303 albertel 1691: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 1692: &Apache::response::pushrandomnumber();
1.159 albertel 1693: for($i=@$a;--$i;) {
1694: my $j=int(&Math::Random::random_uniform() * ($i+1));
1695: next if $i == $j;
1696: @$a[$i,$j] = @$a[$j,$i];
1697: }
1.251 albertel 1698: &Apache::response::poprandomnumber();
1.7 tsai 1699: }
1.6 tsai 1700: }
1701:
1702: sub end_randomlist {
1.159 albertel 1703: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1704: my $result;
1705: if ($target eq 'edit' ) {
1706: $result=&Apache::edit::tag_end($target,$token,
1707: 'End Randomly Parsed Block');
1708: }
1709: return $result;
1.6 tsai 1710: }
1711:
1.283 albertel 1712: sub ordered_show_check {
1713: my $last_part=$Apache::inputtags::partlist[-2];
1714: my $in_order=
1715: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1716: my $in_order_show=1;
1717: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1718: $in_order_show=&Apache::response::check_status($last_part);
1719: }
1720: return $in_order_show;
1721: }
1722:
1.465.2.2 raeburn 1723: sub start_startpartmarker {
1724: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1725: my $result='';
1726: if ($target eq 'edit') {
1727: $result=&Apache::edit::tag_start($target,$token);
1728: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
1729: $result.=&Apache::edit::end_table();
1730:
1731: }
1732: return $result;
1733: }
1734:
1735: sub end_startpartmarker {
1736: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1737: my @result;
1738: if ($target eq 'edit') { $result[1]='no'; }
1739: return @result;
1740: }
1741:
1742: sub start_endpartmarker {
1743: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1744: my $result='';
1745: if ($target eq 'edit') {
1746: $result=&Apache::edit::tag_start($target,$token);
1747: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
1748: $result.=&Apache::edit::end_table();
1749:
1750: }
1751: return $result;
1752: }
1753:
1754: sub end_endpartmarker {
1755: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1756: my @result;
1757: if ($target eq 'edit') { $result[1]='no'; }
1758: return @result;
1759: }
1760:
1.11 albertel 1761: sub start_part {
1.326 albertel 1762: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 1763: if (!$Apache::lonxml::metamode) {
1764: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
1765: # duedates.
1766: }
1.159 albertel 1767: my $result='';
1.386 albertel 1768: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 1769: $Apache::inputtags::part=$id;
1.177 albertel 1770: push(@Apache::inputtags::partlist,$id);
1771: @Apache::inputtags::response=();
1.159 albertel 1772: @Apache::inputtags::previous=();
1773: @Apache::inputtags::previous_version=();
1.405 albertel 1774: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 1775: &Apache::response::reset_params();
1776:
1.159 albertel 1777: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1778: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1779: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1780: my $in_order_show=&ordered_show_check();
1.214 albertel 1781: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1782: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1783: &Apache::run::run($expression,$safeeval);
1.159 albertel 1784:
1785: if ($target eq 'meta') {
1.224 www 1786: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1787: return &Apache::response::mandatory_part_meta.
1788: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1789: } elsif ($target eq 'web' || $target eq 'grade' ||
1790: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1791: if ($hidden || !$in_order_show) {
1.326 albertel 1792: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 1793: } else {
1794: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1795: push (@Apache::inputtags::status,$status);
1796: my $expression='$external::datestatus="'.$status.'";';
1797: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1798: &Apache::run::run($expression,$safeeval);
1.284 albertel 1799: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1800: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1801: }
1.216 albertel 1802: if (( $status eq 'CLOSED' ) ||
1803: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1804: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1805: ( $status eq 'BANNED') ||
1806: ( $status eq 'UNAVAILABLE') ||
1807: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 1808: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
1809: $style);
1.159 albertel 1810: if ( $target eq "web" ) {
1.211 albertel 1811: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1812: } elsif ( $target eq 'tex' ) {
1.284 albertel 1813: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1814: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1815: } else {
1.211 albertel 1816: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1817: }
1.159 albertel 1818: }
1819: } else {
1820: if ($target eq 'tex') {
1.284 albertel 1821: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1822: if ($$tagstack[-2] eq 'td') {
1.388 foxr 1823: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 1824: } else {
1825: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1826: }
1.195 sakharuk 1827: }
1.159 albertel 1828: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1829: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1830: my @allkeys = split /,/,$allkeys;
1831: my $allow_print_points = 0;
1832: foreach my $partial_key (@allkeys) {
1.230 albertel 1833: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1834: if ($1 ne '0') {$allow_print_points=1;}
1835: }
1836: }
1.275 albertel 1837: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1838: if (defined($maxtries) && $maxtries < 0) {
1839: $allow_print_points=0;
1840: }
1.302 albertel 1841: if (lc($env{'course.'.$env{'request.course.id'}.
1842: '.disableexampointprint'}) eq 'yes') {
1843: $allow_print_points=0;
1844: }
1.463 foxr 1845: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1846: $result .= '\vskip 10mm\fbox{\textit{'.$weight.' pt}}';
1847:
1848: }
1.233 www 1849: } elsif ($target eq 'web') {
1.356 www 1850: $result.='<a name="'.&escape($Apache::inputtags::part).'" />';
1.159 albertel 1851: }
1852: }
1853: }
1854: } elsif ($target eq 'edit') {
1855: $result.=&Apache::edit::tag_start($target,$token);
1856: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1857: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1858: ' '.
1859: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1860: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1861: } elsif ($target eq 'modified') {
1862: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1863: $safeeval,'id','display');
1.159 albertel 1864: if ($constructtag) {
1.225 albertel 1865: #limiting ids to only letters numbers, and space
1.224 www 1866: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1867: $result = &Apache::edit::rebuild_tag($token);
1868: }
1869: }
1870: return $result;
1.11 albertel 1871: }
1872:
1873: sub end_part {
1.159 albertel 1874: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1875: &Apache::lonxml::debug("in end_part $target ");
1876: my $status=$Apache::inputtags::status['-1'];
1877: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1878: my $in_order_show=&ordered_show_check();
1.321 albertel 1879: my $result;
1880: if (!$Apache::lonxml::metamode) {
1881: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 1882: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1883: }
1.312 albertel 1884: if ($target eq 'grade') {
1.249 albertel 1885: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1886: !$hidden && $in_order_show) {
1.311 foxr 1887: $result.=&Apache::inputtags::grade;
1.249 albertel 1888: } else {
1889: # move any submission data to .hidden
1890: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1891: }
1.283 albertel 1892: } elsif (($target eq 'web' || $target eq 'tex') &&
1893: !$hidden && $in_order_show) {
1.159 albertel 1894: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1895: $target);
1.212 albertel 1896: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1897: $gradestatus='';
1898: }
1.311 foxr 1899: $result.=$gradestatus;
1.265 sakharuk 1900: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1901: } elsif ($target eq 'edit') {
1.311 foxr 1902: $result.=&Apache::edit::end_table();
1.322 albertel 1903: } elsif ($target eq 'modified') {
1904: $result .= $token->[2];
1.159 albertel 1905: }
1906: pop @Apache::inputtags::status;
1907: $Apache::inputtags::part='';
1.295 albertel 1908: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 1909: return $result;
1.11 albertel 1910: }
1.1 albertel 1911:
1.25 albertel 1912: sub start_preduedate {
1.326 albertel 1913: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 1914: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1915: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 1916: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 1917: if (!$Apache::lonhomework::scantronmode &&
1918: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1919: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1920: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 1921: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 1922: }
1.24 albertel 1923: }
1.159 albertel 1924: return '';
1.24 albertel 1925: }
1926:
1.25 albertel 1927: sub end_preduedate {
1.159 albertel 1928: return '';
1.24 albertel 1929: }
1930:
1.369 foxr 1931: # In all the modes where <postanswerdate> text is
1932: # displayable, all we do is eat up the text between the start/stop
1933: # tags if the conditions are not right to display it.
1.25 albertel 1934: sub start_postanswerdate {
1.326 albertel 1935: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 1936: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
1937: &Apache::lonnet::allowed('pav',
1938: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 1939: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 1940: $target eq 'tex' ) {
1.300 albertel 1941: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 1942: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
1943: (($target eq 'tex') && !$pav)) {
1.326 albertel 1944: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 1945: }
1946: }
1947: return '';
1.24 albertel 1948: }
1949:
1.25 albertel 1950: sub end_postanswerdate {
1.159 albertel 1951: return '';
1.24 albertel 1952: }
1953:
1.25 albertel 1954: sub start_notsolved {
1.326 albertel 1955: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1956: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 1957: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 1958: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1959: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1960: if ($gradestatus =~ /^correct/ &&
1961: &Apache::response::show_answer()) {
1.159 albertel 1962: &Apache::lonxml::debug("skipping");
1.326 albertel 1963: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 1964: }
1.24 albertel 1965: }
1.159 albertel 1966: return '';
1.24 albertel 1967: }
1968:
1.25 albertel 1969: sub end_notsolved {
1.159 albertel 1970: return '';
1.24 albertel 1971: }
1972:
1973: sub start_solved {
1.326 albertel 1974: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1975: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1976: $target eq 'tex') {
1977: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1978: if ($gradestatus !~ /^correct/ ||
1979: !&Apache::response::show_answer()) {
1.326 albertel 1980: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 1981: }
1.24 albertel 1982: }
1.159 albertel 1983: return '';
1.24 albertel 1984: }
1985:
1986: sub end_solved {
1.248 albertel 1987: return '';
1988: }
1989:
1990: sub start_problemtype {
1.326 albertel 1991: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 1992: my $result;
1.339 albertel 1993: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1994: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 1995: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1996: if (!defined($mode)) { $mode='show'; }
1997: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1998: my $found=0;
1999: foreach my $type (split(',',$for)) {
2000: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
2001: }
2002: if ($mode eq 'show' && !$found) {
1.326 albertel 2003: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 2004: }
2005: if ($mode eq 'hide' && $found) {
1.326 albertel 2006: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 2007: }
2008: } elsif ($target eq 'edit') {
2009: $result .=&Apache::edit::tag_start($target,$token);
2010: $result.=&Apache::edit::select_arg('Mode:','mode',
2011: [['show','Show'],
2012: ['hide','Hide']]
2013: ,$token);
2014: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
2015: [ ['exam','Exam/Quiz Problem'],
2016: ['survey','Survey'],
1.465 raeburn 2017: ['surveycred','Survey (with credit)'],
2018: ['anonsurvey','Anonymous Survey'],
2019: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 2020: ['problem','Homework Problem'],
2021: ['practice','Practice Problem'] ]
1.248 albertel 2022: ,$token);
2023: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2024: } elsif ($target eq 'modified') {
2025: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2026: $safeeval,'mode','for');
2027: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2028: }
2029: return $result;
2030: }
2031:
2032: sub end_problemtype {
1.159 albertel 2033: return '';
1.24 albertel 2034: }
1.34 albertel 2035:
2036: sub start_startouttext {
1.159 albertel 2037: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2038: my @result=(''.'');
2039: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 2040:
2041: my $nesting =
2042: &Apache::lonxml::set_state('outtext',
2043: &Apache::lonxml::get_state('outtext')+1);
2044: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
2045: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
2046: }
1.159 albertel 2047: return (@result);
1.34 albertel 2048: }
1.159 albertel 2049:
1.34 albertel 2050: sub end_startouttext {
1.326 albertel 2051: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2052: my $result='';
2053: my $text='';
2054: if ($target eq 'edit') {
1.424 foxr 2055: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 2056: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.437 raeburn 2057: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>"
1.438 bisitz 2058: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 2059: .&Apache::edit::deletelist($target,$token)
2060: .'</span></td>';
1.425 raeburn 2061: unless ($env{'environment.wysiwygeditor'} eq 'on') {
1.434 foxr 2062: $result .= '<td align="left">'
2063: .&Apache::lonhtmlcommon::dragmath_button($areaid,1)
2064: .'</td>'
2065: .'<td>'
2066: .&Apache::edit::insertlist($target,$token)
2067: .'</td>';
2068: }
1.425 raeburn 2069: $result.='<td align="right" valign="top">' .
1.434 foxr 2070: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 2071: &Apache::edit::end_row().
1.362 albertel 2072: &Apache::edit::start_spanning_row()."\n".
1.255 www 2073: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 2074: }
2075: if ($target eq 'modified') {
1.219 albertel 2076: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 2077: }
2078: if ($target eq 'tex') {
2079: $result .= '\noindent ';
2080: }
2081: return $result;
1.34 albertel 2082: }
1.159 albertel 2083:
1.34 albertel 2084: sub start_endouttext {
1.159 albertel 2085: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2086: my $result='';
2087: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
2088: if ($target eq "modified") {
2089: $result='<endouttext />'.
1.377 albertel 2090: &Apache::edit::handle_insertafter('startouttext');
2091: }
1.404 albertel 2092:
2093: my $nesting =
2094: &Apache::lonxml::set_state('outtext',
2095: &Apache::lonxml::get_state('outtext')-1);
2096: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
2097: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
2098: &Apache::lonxml::set_state('outtext', 0);
2099: }
1.159 albertel 2100: return $result;
1.34 albertel 2101: }
1.159 albertel 2102:
1.34 albertel 2103: sub end_endouttext {
1.159 albertel 2104: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2105: my @result=('','');
2106: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
2107: return (@result);
1.34 albertel 2108: }
1.159 albertel 2109:
1.45 albertel 2110: sub delete_startouttext {
1.326 albertel 2111: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2112: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 2113: my $text=$$parser['-1']->get_text("/endouttext");
2114: my $ntoken=$$parser['-1']->get_token();
2115: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
2116: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
2117: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
2118: # they did the last time round
2119: &Apache::lonxml::increasedepth($ntoken);
2120: &Apache::lonxml::decreasedepth($ntoken);
2121: return 1;
1.193 www 2122: }
2123:
2124: sub start_simpleeditbutton {
2125: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2126: my $result='';
1.284 albertel 2127: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 2128: ($target eq 'web') &&
1.330 albertel 2129: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 2130: my $url=$env{'request.noversionuri'};
1.193 www 2131: $url=~s/\?.*$//;
1.367 albertel 2132: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 2133: # Warning makes more sense and is more important on edit screen
1.442 bisitz 2134: # $result='<p class="LC_warning">'
2135: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
2136: # .&Apache::loncommon::help_open_topic('Caching')
2137: # .'</p>';
1.451 bisitz 2138: $result.=&Apache::lonhtmlcommon::start_funclist()
2139: .&Apache::lonhtmlcommon::add_item_funclist(
2140: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
2141: .&mt('Edit').'</a>')
2142: .&Apache::lonhtmlcommon::end_funclist();
1.442 bisitz 2143:
1.193 www 2144: }
2145: return $result;
2146: }
2147:
2148: sub end_simpleeditbutton {
2149: return '';
1.45 albertel 2150: }
1.34 albertel 2151:
1.428 raeburn 2152: sub practice_problem_header {
2153: return '<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
2154: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
2155: '</span>';
2156: }
2157:
1.1 albertel 2158: 1;
2159: __END__
1.435 jms 2160:
2161: =pod
2162:
2163: =back
2164:
2165: =cut
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