Annotation of loncom/homework/structuretags.pm, revision 1.470
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.470 ! raeburn 4: # $Id: structuretags.pm,v 1.469 2010/06/05 19:36:57 www 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 {
1.469 www 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') {
1.450 bisitz 212: # Breadcrumbs for Construction Space
213: &Apache::lonhtmlcommon::clear_breadcrumbs();
214: &Apache::lonhtmlcommon::add_breadcrumb({
215: 'text' => 'Construction Space',
216: 'href' => &Apache::loncommon::authorspace(),
217: });
1.460 droeschl 218: # breadcrumbs (and tools) will be created
219: # in start_page->bodytag->innerregister
220:
1.450 bisitz 221: # FIXME Where are we?
222: # &Apache::lonhtmlcommon::add_breadcrumb({
223: # 'text' => 'Problem Editing', # 'Problem Testing'
224: # 'href' => '',
225: # });
1.460 droeschl 226: $pageheader =&Apache::loncommon::head_subbox(
1.446 bisitz 227: &Apache::loncommon::CSTR_pageheader());
1.297 albertel 228: }
1.272 albertel 229: } elsif (!defined($found{'body'})) {
1.343 albertel 230: my %add_entries;
1.159 albertel 231: my $background=&Apache::lonxml::get_param('background',$parstack,
232: $safeeval);
1.343 albertel 233: if ($background ne '' ) {
234: $add_entries{'background'} = $background;
235: }
1.344 albertel 236:
1.290 albertel 237: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
238: $safeeval);
1.446 bisitz 239: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
1.344 albertel 240:
1.446 bisitz 241: $body_args{'bgcolor'} = $bgcolor;
242: # $body_args{'no_title'} = 1;
243: $body_args{'force_register'} = 1;
244: $body_args{'add_entries'} = \%add_entries;
1.466 droeschl 245: if ( $env{'request.state'} eq 'construct') {
1.446 bisitz 246: $body_args{'only_body'} = 1;
247: }
1.344 albertel 248: }
1.365 albertel 249: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 250: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
251: \%body_args);
1.446 bisitz 252: $page_start .= $pageheader;
1.462 raeburn 253: if (!defined($found{'body'})
254: && $env{'request.state'} ne 'construct'
255: && ($target eq 'web' || $target eq 'webgrade')) {
256:
257: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
258: if ($symb eq '' && !$publicuser) {
259: $page_start .= '<p class="LC_info">'
260: .&mt('Browsing resource, all submissions are temporary.')
261: .'</p>';
1.457 bisitz 262: }
1.344 albertel 263: }
264:
1.409 albertel 265: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 266: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 267: }
1.344 albertel 268:
1.159 albertel 269: my $form_tag_start;
270: if (!defined($found{'form'})) {
1.337 albertel 271: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.465 raeburn 272: my $uri = &Apache::loncommon::inhibit_menu_check(
1.455 droeschl 273: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.464 raeburn 274: $uri = &HTML::Entities::encode($uri,'<>&"');
1.327 albertel 275: $form_tag_start.=$uri.'" ';
276: if ($target eq 'edit') {
277: $form_tag_start.=&Apache::edit::form_change_detection();
278: }
1.368 albertel 279: $form_tag_start.='>'."\n";
1.355 albertel 280:
281: my $symb=&Apache::lonnet::symbread();
282: if ($symb =~ /\S/) {
283: $symb=
284: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
285: $form_tag_start.=
1.368 albertel 286: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 287: }
1.159 albertel 288: }
1.343 albertel 289: return ($page_start,$form_tag_start);
1.105 albertel 290: }
291:
1.141 matthew 292: #use Time::HiRes();
1.105 albertel 293: sub get_resource_name {
1.159 albertel 294: my ($parstack,$safeeval)=@_;
1.388 foxr 295: my $name;
1.204 albertel 296: if (defined($Apache::lonhomework::name)) {
1.388 foxr 297: $name = $Apache::lonhomework::name;
298: } else {
299: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 300: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 301: if ($name eq '') {
302: $name=&Apache::lonnet::EXT('resource.title');
303: if ($name eq 'con_lost') { $name = ''; }
304: }
305: if ($name!~/\S+/) {
306: $name=$env{'request.uri'};
307: $name=~s-.*/([^/]+)$-$1-;
308: }
309: # The name has had html tags escaped:
310:
311: $name=~s/</</gs;
312: $name=~s/>/>/gs;
313:
314: $Apache::lonhomework::name=$name;
1.204 albertel 315: }
1.159 albertel 316: return $name;
1.105 albertel 317: }
318:
319: sub setup_rndseed {
1.159 albertel 320: my ($safeeval)=@_;
321: my $rndseed;
1.367 albertel 322: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 323: if ($env{'request.state'} eq "construct"
324: || $symb eq ''
325: || $Apache::lonhomework::type eq 'practice'
326: || $Apache::lonhomework::history{'resource.CODE'}) {
1.316 www 327: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 328: ['rndseed']);
1.284 albertel 329: $rndseed=$env{'form.rndseed'};
1.159 albertel 330: if (!$rndseed) {
1.162 albertel 331: $rndseed=$Apache::lonhomework::history{'rndseed'};
332: if (!$rndseed) {
333: $rndseed=time;
334: }
1.284 albertel 335: $env{'form.rndseed'}=$rndseed;
1.162 albertel 336: }
1.374 albertel 337: if ( ($env{'form.resetdata'} eq &mt('New Problem Variation')
338: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 339: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 340: srand(time);
341: $rndseed=int(rand(2100000000));
1.284 albertel 342: $env{'form.rndseed'}=$rndseed;
343: delete($env{'form.resetdata'});
344: delete($env{'form.newrandomization'});
1.159 albertel 345: }
1.187 albertel 346: if (defined($rndseed) && $rndseed ne int($rndseed)) {
1.307 albertel 347: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
1.187 albertel 348: }
1.247 albertel 349: if ($Apache::lonhomework::history{'resource.CODE'}) {
350: $rndseed=&Apache::lonnet::rndseed();
351: }
1.221 albertel 352: if ($safeeval) {
353: &Apache::lonxml::debug("Setting rndseed to $rndseed");
1.250 albertel 354: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.221 albertel 355: }
1.159 albertel 356: }
357: return $rndseed;
1.105 albertel 358: }
359:
1.268 albertel 360: sub remember_problem_state {
361: return '
1.284 albertel 362: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
363: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
364: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 365: }
366:
1.423 www 367: sub problem_edit_buttons {
368: return '
1.408 albertel 369: <div class="LC_edit_problem_discards">
1.416 raeburn 370: <input type="button" name="submitmode" accesskey="d" value="'.&mt('Discard Edits and View').'" '.
1.423 www 371: ' onclick="javscript:setmode(this.form,'."'discard'".')" />
1.416 raeburn 372: <input '.&Apache::edit::submit_ask_anyway('setmode(this.form,'."'editxml'".')').' type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" />
1.407 albertel 373: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />
1.408 albertel 374: </div>
375: <div class="LC_edit_problem_saves">
1.416 raeburn 376: <input type="submit" name="submitbutton" accesskey="s" value="'.&mt('Save and Edit').'" />
377: <input type="submit" name="submitbutton" accesskey="v" value="'.&mt('Save and View').'" />
1.423 www 378: </div>';
379: }
380:
381: sub problem_edit_header {
382: return '<input type="hidden" name="submitted" value="edit" /><input type="hidden" name="problemmode" value="edit" />'.
383: &Apache::structuretags::remember_problem_state().'
384: <div class="LC_edit_problem_header">
385: <div class="LC_edit_problem_header_title">
386: '.&mt('Problem Editing').&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
387: </div>'.
388: &problem_edit_buttons().'
1.459 bisitz 389: <hr style="clear:both;" />
1.409 albertel 390: '.&Apache::lonxml::message_location().'
1.408 albertel 391: </div>
392: '.
1.458 bisitz 393: '<table border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
1.105 albertel 394: }
395:
396: sub problem_edit_footer {
1.412 albertel 397: return '</td></tr></table><br />
398: <div class="LC_edit_problem_footer">
1.453 bisitz 399: <hr />'.
1.423 www 400: &problem_edit_buttons().'
1.459 bisitz 401: <hr style="clear:both;" />
1.412 albertel 402: </div>
403: '.
404:
1.348 albertel 405: &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields()).
1.342 albertel 406: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 407: }
408:
1.235 albertel 409: sub option {
410: my ($value,$name) = @_;
411: my $result ="<option value='".$value."' ";
1.284 albertel 412: if ($env{'form.'.$name} eq $value) {
1.235 albertel 413: $result.=" selected='on' ";
414: }
415: $result.='>';
416: return $result;
417: }
418:
1.105 albertel 419: sub problem_web_to_edit_header {
1.159 albertel 420: my ($rndseed)=@_;
1.406 albertel 421: my $result .= '<div class="LC_edit_problem_header">';
422:
423: if (!$Apache::lonhomework::parsing_a_task) {
424: $result .=
425: '<div class="LC_edit_problem_header_title">'.
426: &mt('Problem Testing').
427: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
428: '</div>';
429: } else {
430: $result .=
431: '<div class="LC_edit_problem_header_title">'.
432: &mt('Task Testing').
433: '</div>';
434: }
435:
1.315 albertel 436: my $show_all_foils_text =
437: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 438: &mt('Show All Instances')
439: : &mt('Show All Foils');
1.315 albertel 440:
1.452 bisitz 441: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
442: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 443: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 444: $show_all.= ' /> '.$show_all_foils_text
445: .'</label></span>';
1.406 albertel 446:
447:
1.384 albertel 448:
1.406 albertel 449: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 450: if (!$Apache::lonhomework::parsing_a_task) {
451: $result.="
1.406 albertel 452: <div class='LC_edit_problem_header_row1'>
453: <span class=\"LC_nobreak\">
1.405 albertel 454: ".&mt("Problem Status:")."
1.235 albertel 455: <select name='problemstate'>
1.270 albertel 456: <option value=''></option>
1.235 albertel 457: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
458: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
459: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
460: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
461: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
462: </select>
1.406 albertel 463: </span>
464: <span class=\"LC_nobreak\">
1.405 albertel 465: ".&mt("Problem Type:")."
1.235 albertel 466: <select name='problemtype'>
1.270 albertel 467: <option value=''></option>
1.242 albertel 468: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
1.428 raeburn 469: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 470: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 471: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
472: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
473: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 474: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.235 albertel 475: </select>
1.406 albertel 476: </span>
477: $show_all
478: </div>
479: <div class='LC_edit_problem_header_row2'>
480: <span class=\"LC_nobreak\">
1.405 albertel 481: ".&mt("Feedback Mode:")."
1.235 albertel 482: <select name='problemstatus'>
483: <option value=''></option>
1.242 albertel 484: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.405 albertel 485: ".&option('no', 'problemstatus').&mt("Don't Show Incorect/Correct Feedback")."</option>
486: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 487: </select>
1.406 albertel 488: </span>
489: ";
490:
1.376 albertel 491: } elsif ($Apache::lonhomework::parsing_a_task) {
492: $result.="
1.406 albertel 493: <div class='LC_edit_problem_header_row1'>
494: <span class=\"LC_nobreak\">
1.405 albertel 495: ".&mt("Problem Status:")."
1.376 albertel 496: <select name='problemstate'>
497: <option value=''></option>
498: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
499: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
500: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
501: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
502: </select>
1.406 albertel 503: </span>
504: $show_all
505: ";
506: }
507: $result.='
508: <span class="LC_nobreak">
509: '.&mt('Apply style file: ').'
510: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
511: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
512: </span>
1.422 www 513: </div>
514: <div class="LC_edit_problem_header_row1">'.
515: &Apache::lonxml::renderingoptions().'
1.406 albertel 516: </div>
517: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
518: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
519: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
520: </div>
1.453 bisitz 521: <hr />
1.406 albertel 522: <div class="LC_edit_problem_header_randomize_row">
523: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
524: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
525: <input type="text" name="rndseed" size="10" value="'.
526: $rndseed.'"
527: onchange="javascript:document.lonhomework.changerandseed.click()" />';
528:
529: if (!$Apache::lonhomework::parsing_a_task) {
530: my $numtoanalyze=$env{'form.numtoanalyze'};
531: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 532: $result .= '<span class="LC_nobreak">'.
533: &mt('[_1] for [_2] versions.',
1.416 raeburn 534: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 535: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
536: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 537: $numtoanalyze.'" size="5" />').
538: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
539: '</span>';
540:
1.313 albertel 541: }
1.406 albertel 542:
543: $result.='
544: </div>
1.453 bisitz 545: <hr />
1.447 bisitz 546: <div>';
1.416 raeburn 547: $result.='<input type="hidden" name="problemmode" value="view" />';
548: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
549: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
550: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
551: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.408 albertel 552: $result.='
553: </div>
1.453 bisitz 554: <hr />
1.409 albertel 555: '.&Apache::lonxml::message_location().'
1.406 albertel 556: </div>';
1.159 albertel 557: return $result;
1.48 albertel 558: }
559:
1.65 albertel 560: sub initialize_storage {
1.357 albertel 561: my ($given_symb) = @_;
1.353 albertel 562: undef(%Apache::lonhomework::results);
563: undef(%Apache::lonhomework::history);
1.357 albertel 564: my ($symb,$courseid,$domain,$name) =
1.367 albertel 565: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 566:
567: # anonymous users (CODEd exams) have no data
568: if ($name eq 'anonymous'
569: && !defined($domain)) {
570: return;
571: }
572:
1.333 albertel 573: if ($env{'request.state'} eq 'construct'
574: || $symb eq ''
575: || $Apache::lonhomework::type eq 'practice') {
576:
577: my $namespace = $symb || $env{'request.uri'};
578: if ($env{'form.resetdata'} eq &mt('Reset Submissions') ||
1.374 albertel 579: ($env{'form.resetdata'} eq &mt('New Problem Variation')
580: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 581: $env{'form.newrandomization'} eq &mt('New Randomization')) {
582: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
583: &Apache::lonxml::debug("Attempt reset");
584: }
1.159 albertel 585: %Apache::lonhomework::history=
1.333 albertel 586: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.159 albertel 587: my ($temp)=keys %Apache::lonhomework::history ;
588: &Apache::lonxml::debug("Return message of $temp");
589: } else {
590: %Apache::lonhomework::history=
591: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
592: }
1.353 albertel 593:
1.159 albertel 594: #ignore error conditions
1.67 albertel 595: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 596: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 597: }
598:
1.435 jms 599: =pod
600:
601: =item finalize_storage()
602:
603: Stores away the result has to a student's environment
604: checks form.grade_ for specific values, other wises stores
605: to the running users environment
606: Will increment totals for attempts, students, and corrects
607: if running user has student role.
608:
609: =cut
610:
611:
1.65 albertel 612: sub finalize_storage {
1.357 albertel 613: my ($given_symb) = @_;
1.159 albertel 614: my $result;
1.289 albertel 615: if (%Apache::lonhomework::results) {
1.323 albertel 616: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
617: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 618: my ($symb,$courseid,$domain,$name) =
1.367 albertel 619: &Apache::lonnet::whichuser($given_symb);
1.333 albertel 620: if ($env{'request.state'} eq 'construct'
621: || $symb eq ''
622: || $Apache::lonhomework::type eq 'practice') {
623: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 624: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 625: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 626: $namespace,'',$domain,$name);
1.159 albertel 627: &Apache::lonxml::debug('Construct Store return message:'.$result);
628: } else {
629: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
630: $symb,$courseid,$domain,$name);
631: &Apache::lonxml::debug('Store return message:'.$result);
1.470 ! raeburn 632: &store_aggregates($symb,$courseid);
1.159 albertel 633: }
1.323 albertel 634: } else {
635: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 636: }
1.159 albertel 637: return $result;
1.65 albertel 638: }
639:
1.435 jms 640: =pod
641:
642: item store_aggregates()
643:
644: Sends hash of values to be incremented in nohist_resourcetracker.db
645: for the course. Increments total number of attempts, unique students
646: and corrects for each part for an instance of a problem, as appropriate.
647:
648: =cut
649:
1.285 raeburn 650: sub store_aggregates {
651: my ($symb,$courseid) = @_;
1.286 albertel 652: my %aggregate;
653: my @parts;
1.288 albertel 654: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
655: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 656: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 657: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 658: push(@parts, $1);
1.285 raeburn 659: }
660: }
1.286 albertel 661: foreach my $part (@parts) {
1.470 ! raeburn 662: if ($env{'request.role'} =~/^st/) {
! 663: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
! 664: eq 'APPROX_ANS' ||
! 665: $Apache::lonhomework::results{'resource.'.$part.'.award'}
! 666: eq 'EXACT_ANS') {
! 667: $aggregate{$symb."\0".$part."\0correct"} = 1;
! 668: }
! 669: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
! 670: $aggregate{$symb."\0".$part."\0users"} = 1;
! 671: } else {
! 672: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
! 673: if ($last_reset) {
! 674: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
! 675: $aggregate{$symb."\0".$part."\0users"} = 1;
! 676: }
! 677: }
! 678: }
! 679: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 680: }
1.470 ! raeburn 681: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
! 682: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred')) {
! 683: $aggregate{$symb."\0".$part."\0anonymous"} = 1;
! 684: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}};
! 685: if ($needsrelease) {
! 686: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
! 687: if ($curr_required eq '') {
! 688: &update_courseenv($needsrelease,$cdomain,$cname);
! 689: } else {
! 690: my ($currmajor,$currminor) = split(/\./,$curr_required);
! 691: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
! 692: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
! 693: &update_courseenv($needsrelease,$cdomain,$cname);
! 694: }
1.292 raeburn 695: }
696: }
1.285 raeburn 697: }
698: }
1.292 raeburn 699: if (keys (%aggregate) > 0) {
1.289 albertel 700: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 701: $cdomain,$cname);
702: }
703: }
1.289 albertel 704:
1.470 ! raeburn 705: sub update_courseenv {
! 706: my ($needsrelease,$cdom,$cnum) = @_;
! 707: my $chome = $env{'course.'.$env{'request.course.id'}.'.home'};
! 708: my %needshash = (
! 709: 'internal.releaserequired' => $needsrelease,
! 710: );
! 711: my $putresult = &put('environment',\%needshash,$cdom,$cnum);
! 712: if ($putresult eq 'ok') {
! 713: &appenv({'course.'.$env{'request.course.id'}.'.internal.releaserequired' => $needsrelease});
! 714: my %crsinfo =
! 715: &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
! 716: if (ref($crsinfo{$env{'request.course.id'}}) eq 'HASH') {
! 717: $crsinfo{$env{'request.course.id'}}{'releaserequired'} = $needsrelease;
! 718: }
! 719: &Apache::lonnet::courseidput($cdom,\%crsinfo,$chome,'notime');
! 720: }
! 721: }
! 722:
1.65 albertel 723: sub checkout_msg {
1.211 albertel 724: my %lt=&Apache::lonlocal::texthash(
725: 'resource'=>'The resource needs to be checked out',
726: '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.',
727: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
728: 'checkout'=>'Check out Exam for Viewing',
729: 'checkout?'=>'Check out Exam?');
1.352 albertel 730: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 731: return (<<ENDCHECKOUT);
1.211 albertel 732: <h2>$lt{'resource'}</h2>
733: <p>$lt{'id_expln'}</p>
1.449 bisitz 734: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 735: <form name="checkout" method="post" action="$uri">
1.91 albertel 736: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 737: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 738: </form>
739: ENDCHECKOUT
740: }
741:
1.252 albertel 742: sub firstaccess_msg {
1.253 albertel 743: my ($time,$symb)=@_;
1.414 albertel 744: my $result;
745: my @interval=&Apache::lonnet::EXT("resource.0.interval");
746: if ($interval[1] eq 'map') {
747: my ($map)=&Apache::lonnet::decode_symb($symb);
748: my $foldertitle=&Apache::lonnet::gettitle($map);
749:
750: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.418 bisitz 751: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
752: .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
753: ,$foldertitle,$time)."</h2>";
1.414 albertel 754: } elsif ($interval[1] eq 'course') {
755: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.418 bisitz 756: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
757: .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
758: ,$course,$time)."</h2>";
1.414 albertel 759: } else {
760: my $title=&Apache::lonnet::gettitle($symb);
1.418 bisitz 761: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.'
762: .' Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
763: ,$title,$time)."</h2>";
1.414 albertel 764: }
1.352 albertel 765: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 766: my $buttontext = &mt('Show Resource');
767: my $timertext = &mt('Start Timer?');
1.414 albertel 768: $result .= (<<ENDCHECKOUT);
1.444 bisitz 769: <form name="markaccess" method="post" action="$uri">
1.252 albertel 770: <input type="hidden" name="markaccess" value="yes" />
1.418 bisitz 771: <input type="button" name="accessbutton" value="$buttontext" onClick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 772: </form>
773: ENDCHECKOUT
1.414 albertel 774: return $result;
1.252 albertel 775: }
776:
1.204 albertel 777: sub init_problem_globals {
778: my ($type)=@_;
779: #initialize globals
1.308 foxr 780: # For problems, we start out in part 0 (outside a <part> tag).
781: # and part 0 is used to describe the main body of the <problem>
782: #
1.204 albertel 783: if ($type eq 'problem') {
784: $Apache::inputtags::part='0';
785: @Apache::inputtags::partlist=('0');
1.405 albertel 786: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 787: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 788:
1.266 albertel 789: } elsif ($type eq 'library') {
1.204 albertel 790: $Apache::inputtags::part='';
791: @Apache::inputtags::partlist=();
1.405 albertel 792: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 793: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 794:
1.304 albertel 795: } elsif ($type eq 'Task') {
796: $Apache::inputtags::part='0';
797: @Apache::inputtags::partlist=('0');
1.405 albertel 798: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 799: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 800: }
801: @Apache::inputtags::responselist = ();
802: @Apache::inputtags::importlist = ();
803: @Apache::inputtags::previous=();
804: @Apache::inputtags::previous_version=();
805: $Apache::structuretags::printanswer='No';
806: @Apache::structuretags::whileconds=();
807: @Apache::structuretags::whilebody=();
808: @Apache::structuretags::whileline=();
809: $Apache::lonhomework::scantronmode=0;
810: undef($Apache::lonhomework::name);
1.358 albertel 811: undef($Apache::lonhomework::default_type);
812: undef($Apache::lonhomework::type);
1.204 albertel 813: }
814:
815: sub reset_problem_globals {
816: my ($type)=@_;
817: undef(%Apache::lonhomework::history);
818: undef(%Apache::lonhomework::results);
819: undef($Apache::inputtags::part);
1.208 albertel 820: #don't undef this, lonhomework.pm takes care of this, we use this to
821: #detect if we try to do 2 problems in one file
822: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 823: undef($Apache::lonhomework::name);
1.358 albertel 824: undef($Apache::lonhomework::default_type);
825: undef($Apache::lonhomework::type);
826: undef($Apache::lonhomework::scantronmode);
827: undef($Apache::lonhomework::ignore_response_errors);
1.405 albertel 828: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 829: }
830:
1.241 albertel 831: sub set_problem_state {
1.240 albertel 832: my ($part)=@_;
1.284 albertel 833: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 834: $Apache::lonhomework::history{"resource.$part.solved"}=
835: 'correct_by_student';
836: }
837: }
838:
1.241 albertel 839: sub get_problem_status {
840: my ($part)=@_;
1.267 albertel 841: my $problem_status;
1.284 albertel 842: if ($env{'request.state'} eq 'construct' &&
843: defined($env{'form.problemstatus'})) {
844: $problem_status=$env{'form.problemstatus'};
1.267 albertel 845: } else {
846: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
847: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 848: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 849: }
850: return $problem_status;
851: }
852:
1.9 albertel 853: sub start_problem {
1.326 albertel 854: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 855:
1.311 foxr 856: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 857: if (!$Apache::lonxml::metamode) {
858: &Apache::lonxml::startredirection();
859: }
1.311 foxr 860:
1.308 foxr 861: # Problems don't nest and we don't allow more than one <problem> in
862: # a .problem file.
863: #
1.184 albertel 864: if ( $Apache::inputtags::part ne '' ||
865: $Apache::lonhomework::parsing_a_problem) {
866: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 867: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 868: return '';
869: }
1.184 albertel 870:
871: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 872: &init_problem_globals('problem');
1.166 albertel 873:
1.284 albertel 874: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 875: $Apache::lonhomework::scantronmode=1;
876: }
1.161 albertel 877:
1.159 albertel 878: if ($target ne 'analyze') {
1.415 raeburn 879: my $type = &Apache::lonnet::EXT('resource.0.type');
880: $Apache::lonhomework::type=$type;
1.284 albertel 881: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 882: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 883: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 884: }
1.332 albertel 885: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 886: }
1.164 albertel 887: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 888: my $uri=$env{'request.uri'};
1.159 albertel 889: if ($uri=~/\.(\w+)$/) {
890: $Apache::lonhomework::type=$1;
891: &Apache::lonxml::debug("Using type of $1");
892: } else {
893: $Apache::lonhomework::type='problem';
894: &Apache::lonxml::debug("Using default type, problem, :$uri:");
895: }
1.87 albertel 896: }
1.301 albertel 897: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 898:
1.363 albertel 899: &initialize_storage();
1.389 albertel 900: if ($target ne 'analyze'
901: && $env{'request.state'} eq 'construct') {
902: &set_problem_state('0');
903: }
904:
1.366 albertel 905: if ($target eq 'web') {
906: &Apache::lonxml::debug(" grading history ");
907: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
908: }
1.363 albertel 909:
1.159 albertel 910: #added vars to the scripting enviroment
1.213 albertel 911: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 912: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 913: &Apache::run::run($expression,$safeeval);
1.159 albertel 914: my $status;
915: my $accessmsg;
916:
1.343 albertel 917: my $name= &get_resource_name($parstack,$safeeval);
1.350 albertel 918: my ($result,$form_tag_start);
1.354 albertel 919: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
920: || $target eq 'edit') {
1.350 albertel 921: ($result,$form_tag_start) =
922: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
923: $name);
924: }
925:
1.284 albertel 926: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 927:
928: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
929: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
930: $target eq 'tex') {
1.284 albertel 931: if ($env{'form.markaccess'}) {
1.414 albertel 932: my @interval=&Apache::lonnet::EXT("resource.0.interval");
933: &Apache::lonnet::set_first_access($interval[1]);
1.252 albertel 934: }
1.159 albertel 935: #handle rand seed in construction space
936: my $rndseed=&setup_rndseed($safeeval);
1.367 albertel 937: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 938: if ($env{'request.state'} ne "construct" &&
939: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 940: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.462 raeburn 941: $rndseed.'" />'.
942: '<input type="submit" name="resetdata"
943: value="'.&mt('New Problem Variation').'" />';
1.334 albertel 944: if (exists($env{'form.username'})) {
945: $form_tag_start.=
1.164 albertel 946: '<input type="hidden" name="username"
1.284 albertel 947: value="'.$env{'form.username'}.'" />';
1.334 albertel 948: }
1.462 raeburn 949: if ($env{'request.role.adv'}) {
950: $form_tag_start.= ' <label class="LC_nobreak">'
951: .'<input type="checkbox" name="showallfoils"';
952: if (defined($env{'form.showallfoils'})) {
953: $form_tag_start.=' checked="checked"';
954: }
955: $form_tag_start.= ' /> '
956: .&mt('Show All Foils')
957: .'</label>';
958: }
1.417 www 959: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 960: $form_tag_start.=&practice_problem_header();
1.417 www 961: }
1.462 raeburn 962: $form_tag_start.='<hr />';
1.162 albertel 963: }
1.324 albertel 964:
965: ($status,$accessmsg,my $slot_name,my $slot) =
966: &Apache::lonhomework::check_slot_access('0','problem');
1.159 albertel 967: push (@Apache::inputtags::status,$status);
1.324 albertel 968:
1.159 albertel 969: my $expression='$external::datestatus="'.$status.'";';
970: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
971: &Apache::run::run($expression,$safeeval);
972: &Apache::lonxml::debug("Got $status");
1.324 albertel 973:
1.159 albertel 974: if (( $status eq 'CLOSED' ) ||
975: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 976: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 977: ( $status eq 'BANNED') ||
1.216 albertel 978: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 979: ( $status eq 'NOT_IN_A_SLOT') ||
1.216 albertel 980: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 981: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
982: $style);
1.159 albertel 983: if ( $target eq "web" ) {
1.343 albertel 984: my $msg;
1.159 albertel 985: if ($status eq 'UNAVAILABLE') {
1.245 albertel 986: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.441 raeburn 987: } elsif ($status eq 'NOT_IN_A_SLOT') {
988: $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
1.253 albertel 989: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 990: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 991: }
1.216 albertel 992: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 993: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 994: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 995: $msg.=&checkout_msg();
1.252 albertel 996: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 997: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 998: } elsif ($status eq 'NOT_IN_A_SLOT') {
1.441 raeburn 999: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1.159 albertel 1000: }
1001: $result.=$msg.'<br />';
1002: } elsif ($target eq 'tex') {
1.332 albertel 1003: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1004: : '\begin{minipage}{\textwidth}';
1.443 foxr 1005: $result.='\noindent \vskip 1 mm '.
1.332 albertel 1006: $startminipage.'\vskip 0 mm';
1.159 albertel 1007: if ($status eq 'UNAVAILABLE') {
1.211 albertel 1008: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 1009: } else {
1.211 albertel 1010: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 1011: }
1012: }
1.324 albertel 1013: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1014: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1015: $style);
1.324 albertel 1016: if ($target eq 'web') {
1.375 albertel 1017: $result .=
1018: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 1019: } elsif ($target eq 'grade') {
1020: &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
1021: 'problem');
1022: }
1.159 albertel 1023: } elsif ($target eq 'web') {
1.360 albertel 1024: if ($status eq 'CAN_ANSWER'
1025: && $slot_name ne ''
1026: && $Apache::lonhomework::history{'resource.0.checkedin'} eq '') {
1027: # unproctored slot access, self checkin
1028: &Apache::bridgetask::check_in('problem',undef,undef,
1029: $slot_name);
1030: }
1.368 albertel 1031: $result.="\n $form_tag_start \t".
1.227 albertel 1032: '<input type="hidden" name="submitted" value="yes" />';
1033: # create a page header and exit
1.284 albertel 1034: if ($env{'request.state'} eq "construct") {
1035: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.428 raeburn 1036: if ($Apache::lonhomework::type eq 'practice') {
1037: $result.= '<input type="submit" name="resetdata" '.
1038: 'value="'.&mt('New Problem Variation').'" />'.
1039: &practice_problem_header().'<hr />';
1040: }
1.227 albertel 1041: }
1042: # if we are viewing someone else preserve that info
1.284 albertel 1043: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1044: foreach my $field ('symb','courseid','domain','username') {
1045: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1046: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1047: }
1048: }
1049: } elsif ($target eq 'tex') {
1.319 foxr 1050: $result .= 'INSERTTEXFRONTMATTERHERE';
1051:
1.99 sakharuk 1052: }
1.159 albertel 1053: } elsif ($target eq 'edit') {
1.343 albertel 1054: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1055: $Apache::lonxml::warnings_error_header=
1056: &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 1057: my $temp=&Apache::edit::insertlist($target,$token);
1058: $result.=$temp;
1059: } elsif ($target eq 'modified') {
1060: $result=$token->[4];
1061: } else {
1062: # page_start returned a starting result, delete it if we don't need it
1063: $result = '';
1.99 sakharuk 1064: }
1.159 albertel 1065: return $result;
1.9 albertel 1066: }
1067:
1068: sub end_problem {
1.159 albertel 1069: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 1070: my $result;
1.310 foxr 1071:
1.321 albertel 1072: if (!$Apache::lonxml::metamode) {
1073: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 1074: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1075: }
1.319 foxr 1076:
1077: if ($target eq 'tex') {
1.321 albertel 1078: # Figure out the front matter and replace the
1079: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1080: # this in end_problem because whether or not we display due
1081: # dates depends on whether due dates have already been
1082: # displayed in the problem parts.
1083:
1.319 foxr 1084: my $frontmatter = '';
1085: my $startminipage = '';
1086: if (not $env{'form.problem_split'}=~/yes/) {
1087: $startminipage = '\begin{minipage}{\textwidth}';
1088: }
1089: my $id = $Apache::inputtags::part;
1090: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1091: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1092: my @packages = split /,/,$packages;
1093: my $allow_print_points = 0;
1094: foreach my $partial_key (@packages) {
1095: if ($partial_key=~m/^part_0$/) {
1096: $allow_print_points=1;
1097: }
1098: }
1099: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1100: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1101: if (lc($env{'course.'.$env{'request.course.id'}.
1102: '.disableexampointprint'}) eq 'yes') {
1103: $allow_print_points=0;
1104: }
1105: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 1106: 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 1107: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1108: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1109:
1110: # Figure out what the due date is and if we need to print
1111: # it in the problem header. We have been logging the
1112: # last due date written to file.
1113:
1114: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1115: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 1116: my $duedate_text = &mt('Due date: [_1]'
1117: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 1118: my $temp_file;
1119: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1120:
1121: # Figure out what the last printed due date is or set it
1122: # to the epoch if no duedates have been printed.
1123:
1124: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1125: if (-e $filename) {
1126: $temp_file = Apache::File->new($filename);
1127: my @due_file = <$temp_file>;
1128: $due_file_content = $due_file[$#due_file];
1129: chomp $due_file_content;
1130: }
1131:
1132: # We display the due date iff it is not the same as the last
1133: # duedate in problem header ($due_file_content), and
1134: # none of our parts displayed a duedate.
1135: #
1136: my $parts_with_displayduedate;
1137: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1138: $parts_with_displayduedate =
1139: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1140: } else {
1141: $parts_with_displayduedate = 0;
1142: }
1143: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1144: $temp_file = Apache::File->new('>'.$filename);
1145: print $temp_file "$duetime\n";
1146: if (not $env{'request.symb'} =~ m/\.page_/) {
1147: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1148: $frontmatter .= $begin_doc.
1.448 bisitz 1149: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 1150: } else {
1151: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 1152: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1153: $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';
1154: }
1.319 foxr 1155: }
1156: } else {
1.448 bisitz 1157: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 1158: }
1159: } else {
1160: if (not $env{'request.symb'} =~ m/\.page_/) {
1161: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 1162: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1163: $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';
1164: }
1.319 foxr 1165: } else {
1.381 albertel 1166: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1167: }
1168: }
1169: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1170: }
1171:
1.159 albertel 1172: my $status=$Apache::inputtags::status['-1'];
1173: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1174: $target eq 'tex') {
1.249 albertel 1175: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1176: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1177: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1178: &Apache::inputtags::grade;
1.324 albertel 1179: } elsif ($status eq 'NEEDS_CHECKIN') {
1180: # no need to grade, and don't want to hide data
1.249 albertel 1181: } else {
1182: # move any submission data to .hidden
1183: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1184: }
1.159 albertel 1185: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1186: $Apache::inputtags::part eq '0' &&
1.252 albertel 1187: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 1188: # if part is zero, no <part>s existed, so we need show the current
1189: # grading status
1190: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1191: $result.= $gradestatus;
1192: }
1193: if (
1.284 albertel 1194: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1195: ($target eq 'answer') || ($target eq 'tex')
1196: ) {
1.227 albertel 1197: if ($target ne 'tex' &&
1.284 albertel 1198: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 1199: $result.="</form>";
1.348 albertel 1200: $result.= &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields());
1.159 albertel 1201: }
1202: if ($target eq 'web') {
1.346 albertel 1203: $result.= &Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1204: } elsif ($target eq 'tex') {
1.178 sakharuk 1205: my $endminipage = '';
1.284 albertel 1206: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1207: $endminipage = '\end{minipage}';
1208: }
1.284 albertel 1209: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1210: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1211: } else {
1.262 sakharuk 1212: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1213: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1214: $result .= $endminipage.'\end{document} ';
1215: } else {
1.382 albertel 1216: $result .= $endminipage;
1.262 sakharuk 1217: }
1.159 albertel 1218: }
1219: }
1220: }
1221: if ($target eq 'grade') {
1222: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1223: &finalize_storage();
1224: }
1.284 albertel 1225: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
1226: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 1227: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 1228: # normally we get it from above, but in CSTR
1.172 albertel 1229: # we always show answer mode too.
1.159 albertel 1230: }
1231: } elsif ($target eq 'meta') {
1232: if ($Apache::inputtags::part eq '0') {
1.179 albertel 1233: @Apache::inputtags::response=();
1.159 albertel 1234: $result=&Apache::response::mandatory_part_meta;
1235: }
1.215 albertel 1236: $result.=&Apache::response::meta_part_order();
1.258 albertel 1237: $result.=&Apache::response::meta_response_order();
1.159 albertel 1238: } elsif ($target eq 'edit') {
1239: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 1240: $result .= &problem_edit_footer();
1.320 albertel 1241: } elsif ($target eq 'modified') {
1242: $result .= $token->[2];
1.159 albertel 1243: }
1.155 albertel 1244:
1.284 albertel 1245: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 1246: &Apache::inputtags::check_for_duplicate_ids();
1247: }
1.204 albertel 1248:
1249: &reset_problem_globals('problem');
1.159 albertel 1250:
1251: return $result;
1.48 albertel 1252: }
1253:
1.108 albertel 1254:
1.48 albertel 1255: sub start_library {
1.159 albertel 1256: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 1257: my ($result,$form_tag_start);
1.371 albertel 1258: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 1259: &init_problem_globals('library');
1260: $Apache::lonhomework::type='problem';
1261: }
1.159 albertel 1262: if ($target eq 'edit') {
1.343 albertel 1263: ($result,$form_tag_start)=
1264: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1265: 'Edit');
1266: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 1267: my $temp=&Apache::edit::insertlist($target,$token);
1268: $result.=$temp;
1269: } elsif ($target eq 'modified') {
1270: $result=$token->[4];
1.340 albertel 1271: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 1272: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 1273: && $env{'request.state'} eq "construct" ) {
1.159 albertel 1274: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 1275: ($result,$form_tag_start)=
1276: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1277: $name);
1.159 albertel 1278: my $rndseed=&setup_rndseed($safeeval);
1.343 albertel 1279: $result.=" \n $form_tag_start".
1.159 albertel 1280: '<input type="hidden" name="submitted" value="yes" />';
1281: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 1282: if ($Apache::lonhomework::type eq 'practice') {
1283: $result.= '<input type="submit" name="resetdata" '.
1284: 'value="'.&mt('New Problem Variation').'" />'.
1285: &practice_problem_header().'<hr />';
1286: }
1.159 albertel 1287: }
1288: return $result;
1.48 albertel 1289: }
1290:
1291: sub end_library {
1.159 albertel 1292: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1293: my $result='';
1294: if ($target eq 'edit') {
1295: $result=&problem_edit_footer();
1.371 albertel 1296: } elsif ($target eq 'web'
1297: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1298: && $env{'request.state'} eq "construct") {
1.349 albertel 1299: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1300: }
1.371 albertel 1301: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1302: &reset_problem_globals('library');
1303: }
1.159 albertel 1304: return $result;
1.197 www 1305: }
1306:
1307: sub start_definetag {
1.326 albertel 1308: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 1309:
1310: my $result;
1311:
1312: my $name = $token->[2]->{'name'};
1.326 albertel 1313: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 1314: if ($target eq 'web') {
1315: if ($name=~/^\//) {
1316: $result=
1317: '<br /><table class="LC_sty_end"><tr><th>'.
1318: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1319: } else {
1320: $result=
1321: '<br /><table class="LC_sty_begin"><tr><th>'.
1322: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1323: }
1324: $skip = &HTML::Entities::encode($skip, '<>&"');
1325: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 1326: }
1327: return $result;
1328: }
1329:
1330: sub end_definetag {
1331: return '';
1.1 albertel 1332: }
1333:
1334: sub start_block {
1.201 albertel 1335: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 1336:
1337: my $result;
1.1 albertel 1338:
1.339 albertel 1339: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1340: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 1341: my $code = $token->[2]->{'condition'};
1.385 albertel 1342: if (defined($code) && $code ne '') {
1.137 albertel 1343: if (!$Apache::lonxml::default_homework_loaded) {
1344: &Apache::lonxml::default_homework_load($safeeval);
1345: }
1.131 albertel 1346: $result = &Apache::run::run($code,$safeeval);
1347: &Apache::lonxml::debug("block :$code: returned :$result:");
1348: } else {
1349: $result='1';
1350: }
1351: if ( ! $result ) {
1.201 albertel 1352: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 1353: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1354: }
1355: $result='';
1356: } elsif ($target eq 'edit') {
1357: $result .=&Apache::edit::tag_start($target,$token);
1358: $result .=&Apache::edit::text_arg('Test Condition:','condition',
1359: $token,40);
1360: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1361: } elsif ($target eq 'modified') {
1362: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1363: $safeeval,'condition');
1364: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 1365: }
1.131 albertel 1366: return $result;
1.1 albertel 1367: }
1368:
1369: sub end_block {
1.167 www 1370: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1371: my $result;
1372: if ($target eq "edit") {
1373: $result.= &Apache::edit::tag_end($target,$token,'');
1374: }
1375: return $result;
1376: }
1377:
1378: sub start_languageblock {
1.201 albertel 1379: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 1380:
1381: my $result;
1382:
1.339 albertel 1383: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1384: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 1385: my $include = $token->[2]->{'include'};
1386: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 1387: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.394 www 1388: # This should not even happen, since we should at least have the server language
1.398 www 1389: if (!$preferred_languages[0]) { $preferred_languages[0]='en'; }
1390: # Now loop over all languages in order of preference
1391: foreach my $preferred_language (@preferred_languages) {
1.394 www 1392: # If the languageblock has no arguments, show the contents
1.399 www 1393: $result=1;
1394: my $found=0;
1.394 www 1395: # Do we have an include argument?
1.398 www 1396: if ($include) {
1.394 www 1397: # If include is specified, by default, don't render the block
1.399 www 1398: $result=0;
1.398 www 1399: foreach my $included_language (split(/\,/,$include)) {
1.394 www 1400: # ... but if my preferred language is included, render it
1.398 www 1401: if ($included_language eq $preferred_language) {
1.399 www 1402: $result=1;
1403: $found=1;
1.398 www 1404: }
1405: }
1406: }
1.394 www 1407: # Do we have an exclude argument?
1.398 www 1408: if ($exclude) {
1.399 www 1409: $result=1;
1.398 www 1410: foreach my $excluded_language (split(/\,/,$exclude)) {
1411: if ($excluded_language eq $preferred_language) {
1.399 www 1412: $result=0;
1413: $found=1;
1.398 www 1414: }
1415: }
1416: }
1.399 www 1417: if ($found) { last; }
1.398 www 1418: }
1.201 albertel 1419: if ( ! $result ) {
1420: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
1421: $style);
1422: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1423: }
1424: $result='';
1.167 www 1425: } elsif ($target eq 'edit') {
1426: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1427: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 1428: $token,40);
1.211 albertel 1429: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 1430: $token,40);
1431: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1432: } elsif ($target eq 'modified') {
1433: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 1434: $safeeval,'include',
1435: 'exclude');
1.167 www 1436: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1437: }
1438: return $result;
1439: }
1440:
1441: sub end_languageblock {
1.170 www 1442: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1443: my $result;
1.201 albertel 1444: if ($target eq "edit") {
1.170 www 1445: $result.= &Apache::edit::tag_end($target,$token,'');
1446: }
1447: return $result;
1448: }
1449:
1.397 albertel 1450: {
1451: my %available_texts;
1452: sub start_translated {
1453: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1454: &Apache::lonxml::register('Apache::structuretags',('lang'));
1455: undef(%available_texts);
1456: }
1457:
1458: sub end_translated {
1459: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1460: my $result;
1461: #show the translation on viewable targets
1462: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
1463: # or non-viewable targets, if it's embedded in something that
1464: # wants the output
1465: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
1466: && &Apache::lonxml::in_redirection() ) ) {
1467: my @possibilities = keys(%available_texts);
1468: my $which =
1469: &Apache::loncommon::languages(\@possibilities) || 'default';
1470: $result = $available_texts{$which};
1471: }
1472: undef(%available_texts);
1473: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
1474: return $result;
1475: }
1476:
1477:
1478: sub start_lang {
1479: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1480: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1481: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1482: &Apache::lonxml::startredirection();
1483: }
1484: return '';
1485: }
1486:
1487: sub end_lang {
1488: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1489: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1490: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1491: my $result = &Apache::lonxml::endredirection();
1492: my $which = &Apache::lonxml::get_param('which',$parstack,
1493: $safeeval);
1.431 raeburn 1494: if ($which=~/\w/) {
1495: $available_texts{$which} = $result;
1496: }
1497: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
1498: $safeeval);
1499: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
1500: if ($language=~/\w/) {
1501: $available_texts{$language} = $result;
1502: }
1.427 bisitz 1503: }
1504:
1.397 albertel 1505: }
1506: return '';
1507: }
1508: }
1509:
1.170 www 1510: sub start_instructorcomment {
1.201 albertel 1511: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 1512:
1513: my $result;
1514:
1.339 albertel 1515: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1516: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 1517: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 1518: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 1519: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
1520: $parser,$style);
1.170 www 1521: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1522: }
1523: $result='';
1524: } elsif ($target eq 'edit') {
1525: $result .=&Apache::edit::tag_start($target,$token);
1526: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1527: }
1528: return $result;
1529: }
1530:
1531: sub end_instructorcomment {
1.159 albertel 1532: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1533: my $result;
1534: if ($target eq "edit") {
1535: $result.= &Apache::edit::tag_end($target,$token,'');
1536: }
1537: return $result;
1.4 tsai 1538: }
1539:
1540: sub start_while {
1.326 albertel 1541: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1542:
1.160 albertel 1543: my $result;
1.339 albertel 1544: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1545: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1546: my $code = $token->[2]->{'condition'};
1.4 tsai 1547:
1.160 albertel 1548: push( @Apache::structuretags::whileconds, $code);
1549: if (!$Apache::lonxml::default_homework_loaded) {
1550: &Apache::lonxml::default_homework_load($safeeval);
1551: }
1552: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 1553: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 1554: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 1555: push( @Apache::structuretags::whileline, $token->[5]);
1556: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 1557: if ( $result ) {
1558: &Apache::lonxml::newparser($parser,\$bodytext);
1559: }
1560: } elsif ($target eq 'edit') {
1561: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1562: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 1563: $token,40);
1564: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1565: } elsif ($target eq 'modified') {
1566: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1567: $safeeval,'condition');
1568: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 1569: }
1.160 albertel 1570: return $result;
1.4 tsai 1571: }
1572:
1573: sub end_while {
1.159 albertel 1574: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1575: my $result;
1576:
1.339 albertel 1577: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1578: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1579: my $code = pop(@Apache::structuretags::whileconds);
1580: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1581: my $line = pop(@Apache::structuretags::whileline);
1582: my $return = &Apache::run::run($code,$safeeval);
1583: my $starttime=time;
1584: my $error=0;
1585: while ($return) {
1586: if (time-$starttime >
1587: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 1588: $return = 0; $error=1; next;
1.161 albertel 1589: }
1590: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 1591: if ($target eq 'grade' || $target eq 'answer' ||
1592: $target eq 'analyze') {
1593: # grade/answer/analyze should produce no output but if we
1594: # are redirecting, the redirecter should know what to do
1595: # with the output
1596: if (!$Apache::lonxml::redirection) { undef($result); }
1597: }
1.161 albertel 1598: $return = &Apache::run::run($code,$safeeval);
1599: }
1600: if ($error) {
1.430 bisitz 1601: &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 1602: }
1603: } elsif ($target eq "edit") {
1604: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1605: }
1.160 albertel 1606: return $result;
1.1 albertel 1607: }
1.6 tsai 1608:
1.160 albertel 1609: # <randomlist show="1">
1.6 tsai 1610: # <tag1>..</tag1>
1611: # <tag2>..</tag2>
1612: # <tag3>..</tag3>
1.160 albertel 1613: # ...
1.6 tsai 1614: # </randomlist>
1615: sub start_randomlist {
1.326 albertel 1616: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1617: my $result;
1.339 albertel 1618: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1619: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 1620: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 1621: my $b_parser= HTML::LCParser->new(\$body);
1622: $b_parser->xml_mode(1);
1623: $b_parser->marked_sections(1);
1.159 albertel 1624: my $b_tok;
1625: my @randomlist;
1626: my $list_item;
1627: while($b_tok = $b_parser->get_token() ) {
1628: if($b_tok->[0] eq 'S') { # start tag
1629: # get content of the tag until matching end tag
1630: # get all text upto the matching tag
1631: # and push the content into @randomlist
1632: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1633: $b_parser);
1634: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1635: push(@randomlist,$list_item);
1636: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1637: # $list_item</b>";
1638: }
1639: if($b_tok->[0] eq 'T') { # text
1640: # what to do with text in between tags?
1641: # print "<b>TEXT $b_tok->[1]</b><br />";
1642: }
1643: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1644: # print "<b>END-TAG $b_tok->[1]</b><br />";
1645: # }
1646: }
1.303 albertel 1647: if (@randomlist) {
1648: my @idx_arr = (0 .. $#randomlist);
1649: &Apache::structuretags::shuffle(\@idx_arr);
1650: my $bodytext = '';
1651: my $show=$#randomlist;
1652: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1653: $showarg--;
1654: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 1655: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
1656: my @currlist;
1657: my $part = $Apache::inputtags::part;
1658: if ($part ne '') {
1659: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
1660: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
1661: if (!(grep(/^\Q$part\E$/,@currlist))) {
1662: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
1663: }
1664: } else {
1665: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
1666: }
1667: }
1668: }
1.303 albertel 1669: for(0 .. $show) {
1670: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1671: }
1672: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 1673: }
1674: } elsif ($target eq 'edit' ) {
1675: $result .=&Apache::edit::tag_start($target,$token);
1676: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1677: $token,5);
1678: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1679: } elsif ($target eq 'modified' ) {
1680: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1681: $safeeval,'show');
1682: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1683: }
1684: return $result;
1.7 tsai 1685: }
1686:
1687: sub shuffle {
1688: my $a=shift;
1689: my $i;
1.303 albertel 1690: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 1691: &Apache::response::pushrandomnumber();
1.159 albertel 1692: for($i=@$a;--$i;) {
1693: my $j=int(&Math::Random::random_uniform() * ($i+1));
1694: next if $i == $j;
1695: @$a[$i,$j] = @$a[$j,$i];
1696: }
1.251 albertel 1697: &Apache::response::poprandomnumber();
1.7 tsai 1698: }
1.6 tsai 1699: }
1700:
1701: sub end_randomlist {
1.159 albertel 1702: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1703: my $result;
1704: if ($target eq 'edit' ) {
1705: $result=&Apache::edit::tag_end($target,$token,
1706: 'End Randomly Parsed Block');
1707: }
1708: return $result;
1.6 tsai 1709: }
1710:
1.283 albertel 1711: sub ordered_show_check {
1712: my $last_part=$Apache::inputtags::partlist[-2];
1713: my $in_order=
1714: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1715: my $in_order_show=1;
1716: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1717: $in_order_show=&Apache::response::check_status($last_part);
1718: }
1719: return $in_order_show;
1720: }
1721:
1.469 www 1722:
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:
1761:
1762:
1763:
1764:
1.11 albertel 1765: sub start_part {
1.326 albertel 1766: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 1767: if (!$Apache::lonxml::metamode) {
1768: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
1769: # duedates.
1770: }
1.159 albertel 1771: my $result='';
1.386 albertel 1772: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 1773: $Apache::inputtags::part=$id;
1.177 albertel 1774: push(@Apache::inputtags::partlist,$id);
1775: @Apache::inputtags::response=();
1.159 albertel 1776: @Apache::inputtags::previous=();
1777: @Apache::inputtags::previous_version=();
1.405 albertel 1778: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 1779: &Apache::response::reset_params();
1780:
1.159 albertel 1781: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1782: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1783: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1784: my $in_order_show=&ordered_show_check();
1.214 albertel 1785: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1786: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1787: &Apache::run::run($expression,$safeeval);
1.159 albertel 1788:
1789: if ($target eq 'meta') {
1.224 www 1790: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1791: return &Apache::response::mandatory_part_meta.
1792: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1793: } elsif ($target eq 'web' || $target eq 'grade' ||
1794: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1795: if ($hidden || !$in_order_show) {
1.326 albertel 1796: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 1797: } else {
1798: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1799: push (@Apache::inputtags::status,$status);
1800: my $expression='$external::datestatus="'.$status.'";';
1801: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1802: &Apache::run::run($expression,$safeeval);
1.284 albertel 1803: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1804: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1805: }
1.216 albertel 1806: if (( $status eq 'CLOSED' ) ||
1807: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1808: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1809: ( $status eq 'BANNED') ||
1810: ( $status eq 'UNAVAILABLE') ||
1811: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 1812: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
1813: $style);
1.159 albertel 1814: if ( $target eq "web" ) {
1.211 albertel 1815: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1816: } elsif ( $target eq 'tex' ) {
1.284 albertel 1817: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1818: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1819: } else {
1.211 albertel 1820: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1821: }
1.159 albertel 1822: }
1823: } else {
1824: if ($target eq 'tex') {
1.284 albertel 1825: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1826: if ($$tagstack[-2] eq 'td') {
1.388 foxr 1827: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 1828: } else {
1829: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1830: }
1.195 sakharuk 1831: }
1.159 albertel 1832: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1833: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1834: my @allkeys = split /,/,$allkeys;
1835: my $allow_print_points = 0;
1836: foreach my $partial_key (@allkeys) {
1.230 albertel 1837: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1838: if ($1 ne '0') {$allow_print_points=1;}
1839: }
1840: }
1.275 albertel 1841: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1842: if (defined($maxtries) && $maxtries < 0) {
1843: $allow_print_points=0;
1844: }
1.302 albertel 1845: if (lc($env{'course.'.$env{'request.course.id'}.
1846: '.disableexampointprint'}) eq 'yes') {
1847: $allow_print_points=0;
1848: }
1.463 foxr 1849: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1850: $result .= '\vskip 10mm\fbox{\textit{'.$weight.' pt}}';
1851:
1852: }
1.233 www 1853: } elsif ($target eq 'web') {
1.356 www 1854: $result.='<a name="'.&escape($Apache::inputtags::part).'" />';
1.159 albertel 1855: }
1856: }
1857: }
1858: } elsif ($target eq 'edit') {
1859: $result.=&Apache::edit::tag_start($target,$token);
1860: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1861: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1862: ' '.
1863: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1864: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1865: } elsif ($target eq 'modified') {
1866: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1867: $safeeval,'id','display');
1.159 albertel 1868: if ($constructtag) {
1.225 albertel 1869: #limiting ids to only letters numbers, and space
1.224 www 1870: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1871: $result = &Apache::edit::rebuild_tag($token);
1872: }
1873: }
1874: return $result;
1.11 albertel 1875: }
1876:
1877: sub end_part {
1.159 albertel 1878: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1879: &Apache::lonxml::debug("in end_part $target ");
1880: my $status=$Apache::inputtags::status['-1'];
1881: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1882: my $in_order_show=&ordered_show_check();
1.321 albertel 1883: my $result;
1884: if (!$Apache::lonxml::metamode) {
1885: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 1886: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1887: }
1.312 albertel 1888: if ($target eq 'grade') {
1.249 albertel 1889: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1890: !$hidden && $in_order_show) {
1.311 foxr 1891: $result.=&Apache::inputtags::grade;
1.249 albertel 1892: } else {
1893: # move any submission data to .hidden
1894: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1895: }
1.283 albertel 1896: } elsif (($target eq 'web' || $target eq 'tex') &&
1897: !$hidden && $in_order_show) {
1.159 albertel 1898: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1899: $target);
1.212 albertel 1900: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1901: $gradestatus='';
1902: }
1.311 foxr 1903: $result.=$gradestatus;
1.265 sakharuk 1904: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1905: } elsif ($target eq 'edit') {
1.311 foxr 1906: $result.=&Apache::edit::end_table();
1.322 albertel 1907: } elsif ($target eq 'modified') {
1908: $result .= $token->[2];
1.159 albertel 1909: }
1910: pop @Apache::inputtags::status;
1911: $Apache::inputtags::part='';
1.295 albertel 1912: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 1913: return $result;
1.11 albertel 1914: }
1.1 albertel 1915:
1.25 albertel 1916: sub start_preduedate {
1.326 albertel 1917: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 1918: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1919: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 1920: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 1921: if (!$Apache::lonhomework::scantronmode &&
1922: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1923: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1924: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 1925: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 1926: }
1.24 albertel 1927: }
1.159 albertel 1928: return '';
1.24 albertel 1929: }
1930:
1.25 albertel 1931: sub end_preduedate {
1.159 albertel 1932: return '';
1.24 albertel 1933: }
1934:
1.369 foxr 1935: # In all the modes where <postanswerdate> text is
1936: # displayable, all we do is eat up the text between the start/stop
1937: # tags if the conditions are not right to display it.
1.25 albertel 1938: sub start_postanswerdate {
1.326 albertel 1939: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 1940: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
1941: &Apache::lonnet::allowed('pav',
1942: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 1943: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 1944: $target eq 'tex' ) {
1.300 albertel 1945: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 1946: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
1947: (($target eq 'tex') && !$pav)) {
1.326 albertel 1948: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 1949: }
1950: }
1951: return '';
1.24 albertel 1952: }
1953:
1.25 albertel 1954: sub end_postanswerdate {
1.159 albertel 1955: return '';
1.24 albertel 1956: }
1957:
1.25 albertel 1958: sub start_notsolved {
1.326 albertel 1959: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1960: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 1961: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 1962: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1963: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1964: if ($gradestatus =~ /^correct/ &&
1965: &Apache::response::show_answer()) {
1.159 albertel 1966: &Apache::lonxml::debug("skipping");
1.326 albertel 1967: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 1968: }
1.24 albertel 1969: }
1.159 albertel 1970: return '';
1.24 albertel 1971: }
1972:
1.25 albertel 1973: sub end_notsolved {
1.159 albertel 1974: return '';
1.24 albertel 1975: }
1976:
1977: sub start_solved {
1.326 albertel 1978: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1979: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1980: $target eq 'tex') {
1981: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1982: if ($gradestatus !~ /^correct/ ||
1983: !&Apache::response::show_answer()) {
1.326 albertel 1984: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 1985: }
1.24 albertel 1986: }
1.159 albertel 1987: return '';
1.24 albertel 1988: }
1989:
1990: sub end_solved {
1.248 albertel 1991: return '';
1992: }
1993:
1994: sub start_problemtype {
1.326 albertel 1995: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 1996: my $result;
1.339 albertel 1997: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1998: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 1999: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
2000: if (!defined($mode)) { $mode='show'; }
2001: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
2002: my $found=0;
2003: foreach my $type (split(',',$for)) {
2004: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
2005: }
2006: if ($mode eq 'show' && !$found) {
1.326 albertel 2007: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 2008: }
2009: if ($mode eq 'hide' && $found) {
1.326 albertel 2010: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 2011: }
2012: } elsif ($target eq 'edit') {
2013: $result .=&Apache::edit::tag_start($target,$token);
2014: $result.=&Apache::edit::select_arg('Mode:','mode',
2015: [['show','Show'],
2016: ['hide','Hide']]
2017: ,$token);
2018: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
2019: [ ['exam','Exam/Quiz Problem'],
2020: ['survey','Survey'],
1.465 raeburn 2021: ['surveycred','Survey (with credit)'],
2022: ['anonsurvey','Anonymous Survey'],
2023: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 2024: ['problem','Homework Problem'],
2025: ['practice','Practice Problem'] ]
1.248 albertel 2026: ,$token);
2027: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2028: } elsif ($target eq 'modified') {
2029: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2030: $safeeval,'mode','for');
2031: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2032: }
2033: return $result;
2034: }
2035:
2036: sub end_problemtype {
1.159 albertel 2037: return '';
1.24 albertel 2038: }
1.34 albertel 2039:
2040: sub start_startouttext {
1.159 albertel 2041: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2042: my @result=(''.'');
2043: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 2044:
2045: my $nesting =
2046: &Apache::lonxml::set_state('outtext',
2047: &Apache::lonxml::get_state('outtext')+1);
2048: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
2049: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
2050: }
1.159 albertel 2051: return (@result);
1.34 albertel 2052: }
1.159 albertel 2053:
1.34 albertel 2054: sub end_startouttext {
1.326 albertel 2055: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2056: my $result='';
2057: my $text='';
2058: if ($target eq 'edit') {
1.424 foxr 2059: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 2060: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.437 raeburn 2061: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>"
1.438 bisitz 2062: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 2063: .&Apache::edit::deletelist($target,$token)
2064: .'</span></td>';
1.425 raeburn 2065: unless ($env{'environment.wysiwygeditor'} eq 'on') {
1.434 foxr 2066: $result .= '<td align="left">'
2067: .&Apache::lonhtmlcommon::dragmath_button($areaid,1)
2068: .'</td>'
2069: .'<td>'
2070: .&Apache::edit::insertlist($target,$token)
2071: .'</td>';
2072: }
1.425 raeburn 2073: $result.='<td align="right" valign="top">' .
1.434 foxr 2074: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 2075: &Apache::edit::end_row().
1.362 albertel 2076: &Apache::edit::start_spanning_row()."\n".
1.255 www 2077: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 2078: }
2079: if ($target eq 'modified') {
1.219 albertel 2080: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 2081: }
2082: if ($target eq 'tex') {
2083: $result .= '\noindent ';
2084: }
2085: return $result;
1.34 albertel 2086: }
1.159 albertel 2087:
1.34 albertel 2088: sub start_endouttext {
1.159 albertel 2089: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2090: my $result='';
2091: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
2092: if ($target eq "modified") {
2093: $result='<endouttext />'.
1.377 albertel 2094: &Apache::edit::handle_insertafter('startouttext');
2095: }
1.404 albertel 2096:
2097: my $nesting =
2098: &Apache::lonxml::set_state('outtext',
2099: &Apache::lonxml::get_state('outtext')-1);
2100: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
2101: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
2102: &Apache::lonxml::set_state('outtext', 0);
2103: }
1.159 albertel 2104: return $result;
1.34 albertel 2105: }
1.159 albertel 2106:
1.34 albertel 2107: sub end_endouttext {
1.159 albertel 2108: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2109: my @result=('','');
2110: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
2111: return (@result);
1.34 albertel 2112: }
1.159 albertel 2113:
1.45 albertel 2114: sub delete_startouttext {
1.326 albertel 2115: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2116: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 2117: my $text=$$parser['-1']->get_text("/endouttext");
2118: my $ntoken=$$parser['-1']->get_token();
2119: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
2120: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
2121: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
2122: # they did the last time round
2123: &Apache::lonxml::increasedepth($ntoken);
2124: &Apache::lonxml::decreasedepth($ntoken);
2125: return 1;
1.193 www 2126: }
2127:
2128: sub start_simpleeditbutton {
2129: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2130: my $result='';
1.284 albertel 2131: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 2132: ($target eq 'web') &&
1.330 albertel 2133: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 2134: my $url=$env{'request.noversionuri'};
1.193 www 2135: $url=~s/\?.*$//;
1.367 albertel 2136: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 2137: # Warning makes more sense and is more important on edit screen
1.442 bisitz 2138: # $result='<p class="LC_warning">'
2139: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
2140: # .&Apache::loncommon::help_open_topic('Caching')
2141: # .'</p>';
1.451 bisitz 2142: $result.=&Apache::lonhtmlcommon::start_funclist()
2143: .&Apache::lonhtmlcommon::add_item_funclist(
2144: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
2145: .&mt('Edit').'</a>')
2146: .&Apache::lonhtmlcommon::end_funclist();
1.442 bisitz 2147:
1.193 www 2148: }
2149: return $result;
2150: }
2151:
2152: sub end_simpleeditbutton {
2153: return '';
1.45 albertel 2154: }
1.34 albertel 2155:
1.428 raeburn 2156: sub practice_problem_header {
2157: return '<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
2158: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
2159: '</span>';
2160: }
2161:
1.1 albertel 2162: 1;
2163: __END__
1.435 jms 2164:
2165: =pod
2166:
2167: =back
2168:
2169: =cut
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to structuretags.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework