Annotation of loncom/homework/structuretags.pm, revision 1.415
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.415 ! raeburn 4: # $Id: structuretags.pm,v 1.414 2007/11/20 17:53:22 albertel 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:
1.133 sakharuk 30:
1.1 albertel 31: package Apache::structuretags;
32:
33: use strict;
34: use Apache::lonnet;
1.101 sakharuk 35: use Apache::File();
1.147 www 36: use Apache::lonmenu;
1.210 albertel 37: use Apache::lonlocal;
1.231 sakharuk 38: use Apache::lonxml;
1.338 albertel 39: use Apache::lonenc();
1.267 albertel 40: use Time::HiRes qw( gettimeofday tv_interval );
1.356 www 41: use lib '/home/httpd/lib/perl/';
42: use LONCAPA;
43:
1.78 harris41 44: BEGIN {
1.397 albertel 45: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));
1.10 albertel 46: }
47:
48: sub start_web {
1.326 albertel 49: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.383 albertel 50: if ($target ne 'edit' && $target ne 'modified') {
51: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
52: if ($target eq 'web' || $target eq 'webgrade') {
53: return $bodytext;
54: }
55: } elsif ($target eq "edit" ) {
56: my $bodytext =
57: &Apache::lonxml::get_all_text_unbalanced("/web",$parser);
58: my $result = &Apache::edit::tag_start($target,$token);
59: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
60: return $result;
61: } elsif ( $target eq "modified" ) {
62: return $token->[4].&Apache::edit::modifiedfield("/web",$parser);
1.159 albertel 63: }
64: return '';
1.10 albertel 65: }
66:
67: sub end_web {
1.44 ng 68: return '';
1.10 albertel 69: }
70:
71: sub start_tex {
1.326 albertel 72: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.198 sakharuk 73: my $result='';
1.383 albertel 74: if ($target ne 'edit' && $target ne 'modified') {
75: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
76: if ($target eq 'tex') {
77: return $bodytext.' ';
78: }
79: } elsif ($target eq "edit" ) {
80: my $bodytext =
81: &Apache::lonxml::get_all_text_unbalanced("/tex",$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 $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
1.159 albertel 87: }
1.198 sakharuk 88: return $result;;
1.10 albertel 89: }
90:
91: sub end_tex {
1.44 ng 92: return '';
1.9 albertel 93: }
94:
1.400 albertel 95: sub homework_js {
96: return &Apache::loncommon::resize_textarea_js().
97: <<'JS';
98: <script type="text/javascript">
99: function setSubmittedPart (part) {
100: this.document.lonhomework.submitted.value="part_"+part;
101: }
102:
103: function image_response_click (which, e) {
104: init_geometry();
105: if (!e) { e = window.event; } //IE
106: var input_element = document.lonhomework.elements[which];
1.401 albertel 107: var token_element = document.lonhomework.elements[which+'_token'];
1.400 albertel 108: var token = token_element.value;
1.401 albertel 109: var img_element = document.getElementById(which+'_imageresponse');
1.400 albertel 110: var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
111: var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
112: var click = x+':'+y;
113: input_element.value = click;
114: img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
115: }
116: </script>
117: JS
118: }
119:
1.48 albertel 120: sub page_start {
1.345 albertel 121: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
122: $extra_head)=@_;
1.159 albertel 123: my %found;
1.207 albertel 124: foreach my $taginside (@$tagstack) {
1.159 albertel 125: foreach my $taglookedfor ('html','body','form') {
126: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
127: }
128: }
129:
1.343 albertel 130: if ($target eq 'tex') {
131: return
132: &Apache::londefdef::start_html($target,$token,$tagstack,
133: $parstack,$parser,$safeeval);
134: }
135:
1.400 albertel 136: $extra_head .= &homework_js();
1.374 albertel 137:
1.344 albertel 138: my %body_args;
139: if (defined($found{'html'})) {
140: $body_args{'skip_phases'}{'head'}=1;
141: } else {
1.343 albertel 142:
1.345 albertel 143: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 144:
1.379 albertel 145: $extra_head .= &Apache::londefdef::generate_css_links();
146:
1.384 albertel 147: if ($env{'request.state'} eq 'construct') {
1.343 albertel 148: $extra_head.=&Apache::edit::js_change_detection().
149: "<script type=\"text/javascript\">\n".
150: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
151: &Apache::loncommon::browser_and_searcher_javascript().
152: "\n</script>\n";
153: }
1.159 albertel 154: }
1.343 albertel 155:
1.344 albertel 156: if (defined($found{'body'})) {
157: $body_args{'skip_phases'}{'body'}=1;
158: } elsif (!defined($found{'body'})
159: && $env{'request.state'} eq 'construct') {
1.343 albertel 160: if ($target eq 'web' || $target eq 'edit') {
1.402 albertel 161: if ($env{'environment.remote'} ne 'off') {
162: $body_args{'only_body'} = 1;
163: }
1.297 albertel 164: }
1.272 albertel 165: } elsif (!defined($found{'body'})) {
1.343 albertel 166: my %add_entries;
1.159 albertel 167: my $background=&Apache::lonxml::get_param('background',$parstack,
168: $safeeval);
1.343 albertel 169: if ($background ne '' ) {
170: $add_entries{'background'} = $background;
171: }
1.344 albertel 172:
1.290 albertel 173: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
174: $safeeval);
1.344 albertel 175: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
176:
177: $body_args{'bgcolor'} = $bgcolor;
178: $body_args{'no_title'} = 1;
179: $body_args{'force_register'} = 1;
180: $body_args{'add_entries'} = \%add_entries;
1.391 albertel 181: if ($env{'environment.remote'} eq 'off'
182: && $env{'request.state'} eq 'construct') {
183: $body_args{'only_body'} = 1;
184: }
1.344 albertel 185: }
1.365 albertel 186: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 187: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
188: \%body_args);
189:
190: if (!defined($found{'body'})
191: && $env{'request.state'} ne 'construct'
192: && ($target eq 'web' || $target eq 'webgrade')) {
193:
1.367 albertel 194: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
1.344 albertel 195: if ($symb eq '' && !$publicuser) {
196: my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
197: $help=&mt("Browsing resource, all submissions are temporary.")."<br />";
198: $page_start .= $help;
1.159 albertel 199: }
1.344 albertel 200: }
201:
1.409 albertel 202: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 203: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 204: }
1.344 albertel 205:
1.159 albertel 206: my $form_tag_start;
207: if (!defined($found{'form'})) {
1.337 albertel 208: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.338 albertel 209: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.327 albertel 210: $form_tag_start.=$uri.'" ';
211: if ($target eq 'edit') {
212: $form_tag_start.=&Apache::edit::form_change_detection();
213: }
1.368 albertel 214: $form_tag_start.='>'."\n";
1.355 albertel 215:
216: my $symb=&Apache::lonnet::symbread();
217: if ($symb =~ /\S/) {
218: $symb=
219: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
220: $form_tag_start.=
1.368 albertel 221: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 222: }
1.159 albertel 223: }
1.343 albertel 224: return ($page_start,$form_tag_start);
1.105 albertel 225: }
226:
1.141 matthew 227: #use Time::HiRes();
1.105 albertel 228: sub get_resource_name {
1.159 albertel 229: my ($parstack,$safeeval)=@_;
1.388 foxr 230: my $name;
1.204 albertel 231: if (defined($Apache::lonhomework::name)) {
1.388 foxr 232: $name = $Apache::lonhomework::name;
233: } else {
234: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 235: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 236: if ($name eq '') {
237: $name=&Apache::lonnet::EXT('resource.title');
238: if ($name eq 'con_lost') { $name = ''; }
239: }
240: if ($name!~/\S+/) {
241: $name=$env{'request.uri'};
242: $name=~s-.*/([^/]+)$-$1-;
243: }
244: # The name has had html tags escaped:
245:
246: $name=~s/</</gs;
247: $name=~s/>/>/gs;
248:
249: $Apache::lonhomework::name=$name;
1.204 albertel 250: }
1.159 albertel 251: return $name;
1.105 albertel 252: }
253:
254: sub setup_rndseed {
1.159 albertel 255: my ($safeeval)=@_;
256: my $rndseed;
1.367 albertel 257: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 258: if ($env{'request.state'} eq "construct"
259: || $symb eq ''
260: || $Apache::lonhomework::type eq 'practice'
261: || $Apache::lonhomework::history{'resource.CODE'}) {
1.316 www 262: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 263: ['rndseed']);
1.284 albertel 264: $rndseed=$env{'form.rndseed'};
1.159 albertel 265: if (!$rndseed) {
1.162 albertel 266: $rndseed=$Apache::lonhomework::history{'rndseed'};
267: if (!$rndseed) {
268: $rndseed=time;
269: }
1.284 albertel 270: $env{'form.rndseed'}=$rndseed;
1.162 albertel 271: }
1.374 albertel 272: if ( ($env{'form.resetdata'} eq &mt('New Problem Variation')
273: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 274: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 275: srand(time);
276: $rndseed=int(rand(2100000000));
1.284 albertel 277: $env{'form.rndseed'}=$rndseed;
278: delete($env{'form.resetdata'});
279: delete($env{'form.newrandomization'});
1.159 albertel 280: }
1.187 albertel 281: if (defined($rndseed) && $rndseed ne int($rndseed)) {
1.307 albertel 282: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
1.187 albertel 283: }
1.247 albertel 284: if ($Apache::lonhomework::history{'resource.CODE'}) {
285: $rndseed=&Apache::lonnet::rndseed();
286: }
1.221 albertel 287: if ($safeeval) {
288: &Apache::lonxml::debug("Setting rndseed to $rndseed");
1.250 albertel 289: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.221 albertel 290: }
1.159 albertel 291: }
292: return $rndseed;
1.105 albertel 293: }
294:
1.268 albertel 295: sub remember_problem_state {
296: return '
1.284 albertel 297: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
298: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
299: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 300: }
301:
1.105 albertel 302: sub problem_edit_header {
1.268 albertel 303: return '<input type="hidden" name="submitted" value="edit" />'.
304: &Apache::structuretags::remember_problem_state().'
1.408 albertel 305: <div class="LC_edit_problem_header">
306: <div class="LC_edit_problem_header_title">
307: '.&mt('Problem Editing').&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
308: </div>
309: <div class="LC_edit_problem_discards">
1.210 albertel 310: <input type="hidden" name="problemmode" value="'.&mt('Edit').'" />
1.243 matthew 311: <input type="submit" name="problemmode" accesskey="d" value="'.&mt('Discard Edits and View').'" />
1.328 albertel 312: <input '.&Apache::edit::submit_ask_anyway().' type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
1.407 albertel 313: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />
1.408 albertel 314: </div>
315: <div class="LC_edit_problem_saves">
316: <input type="submit" name="submit" accesskey="s" value="'.&mt('Save and Edit').'" />
317: <input type="submit" name="submit" accesskey="v" value="'.&mt('Save and View').'" />
318: </div>
319: <hr class="LC_edit_problem_divide" />
1.409 albertel 320: '.&Apache::lonxml::message_location().'
1.408 albertel 321: </div>
322: '.
1.282 albertel 323: '<table border="0" width="100%"><tr><td bgcolor="#DDDDDD">';
1.105 albertel 324: }
325:
326: sub problem_edit_footer {
1.412 albertel 327: return '</td></tr></table><br />
328: <div class="LC_edit_problem_footer">
329: <hr class="LC_edit_problem_divide" />
330: <div class="LC_edit_problem_discards">
331: <input type="submit" name="problemmode" accesskey="d" value="'.&mt('Discard Edits and View').'" />
332: <input '.&Apache::edit::submit_ask_anyway().' type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
333: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />
334: </div>
335: <div class="LC_edit_problem_saves">
336: <input type="submit" name="submit" value="'.&mt('Save and Edit').'" />
337: <input type="submit" name="submit" value="'.&mt('Save and View').'" />
338: </div>
339: <hr class="LC_edit_problem_divide" />
340: </div>
341: '.
342:
1.348 albertel 343: &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields()).
1.342 albertel 344: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 345: }
346:
1.235 albertel 347: sub option {
348: my ($value,$name) = @_;
349: my $result ="<option value='".$value."' ";
1.284 albertel 350: if ($env{'form.'.$name} eq $value) {
1.235 albertel 351: $result.=" selected='on' ";
352: }
353: $result.='>';
354: return $result;
355: }
356:
1.105 albertel 357: sub problem_web_to_edit_header {
1.159 albertel 358: my ($rndseed)=@_;
1.406 albertel 359: my $result .= '<div class="LC_edit_problem_header">';
360:
361: if (!$Apache::lonhomework::parsing_a_task) {
362: $result .=
363: '<div class="LC_edit_problem_header_title">'.
364: &mt('Problem Testing').
365: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
366: '</div>';
367: } else {
368: $result .=
369: '<div class="LC_edit_problem_header_title">'.
370: &mt('Task Testing').
371: '</div>';
372: }
373:
1.315 albertel 374: my $show_all_foils_text =
375: ($Apache::lonhomework::parsing_a_task) ?
376: &mt(' Show All Instances')
377: : &mt(' Show All Foils');
378:
1.406 albertel 379: my $show_all= '<span class="LC_nobreak"><label><input type="checkbox" name="showallfoils" ';
380: if (defined($env{'form.showallfoils'})) { $show_all.='checked="checked"'; }
381: $show_all.= ' />'.$show_all_foils_text.'</label></span>';
382:
383:
1.384 albertel 384:
1.406 albertel 385: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 386: if (!$Apache::lonhomework::parsing_a_task) {
387: $result.="
1.406 albertel 388: <div class='LC_edit_problem_header_row1'>
389: <span class=\"LC_nobreak\">
1.405 albertel 390: ".&mt("Problem Status:")."
1.235 albertel 391: <select name='problemstate'>
1.270 albertel 392: <option value=''></option>
1.235 albertel 393: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
394: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
395: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
396: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
397: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
398: </select>
1.406 albertel 399: </span>
400: <span class=\"LC_nobreak\">
1.405 albertel 401: ".&mt("Problem Type:")."
1.235 albertel 402: <select name='problemtype'>
1.270 albertel 403: <option value=''></option>
1.242 albertel 404: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
405: ".&option('problem','problemtype').&mt("Homework problem")."</option>
406: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.235 albertel 407: </select>
1.406 albertel 408: </span>
409: $show_all
410: </div>
411: <div class='LC_edit_problem_header_row2'>
412: <span class=\"LC_nobreak\">
1.405 albertel 413: ".&mt("Feedback Mode:")."
1.235 albertel 414: <select name='problemstatus'>
415: <option value=''></option>
1.242 albertel 416: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.405 albertel 417: ".&option('no', 'problemstatus').&mt("Don't Show Incorect/Correct Feedback")."</option>
418: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 419: </select>
1.406 albertel 420: </span>
421: ";
422:
1.376 albertel 423: } elsif ($Apache::lonhomework::parsing_a_task) {
424: $result.="
1.406 albertel 425: <div class='LC_edit_problem_header_row1'>
426: <span class=\"LC_nobreak\">
1.405 albertel 427: ".&mt("Problem Status:")."
1.376 albertel 428: <select name='problemstate'>
429: <option value=''></option>
430: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
431: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
432: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
433: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
434: </select>
1.406 albertel 435: </span>
436: $show_all
437: ";
438: }
439:
440: $result.='
441: <span class="LC_nobreak">
442: '.&mt('Apply style file: ').'
443: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
444: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
445: </span>
446: </div>
447: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
448: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
449: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
450: </div>
451: <hr class="LC_edit_problem_divide" />
452: <div class="LC_edit_problem_header_randomize_row">
453: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
454: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
455: <input type="text" name="rndseed" size="10" value="'.
456: $rndseed.'"
457: onchange="javascript:document.lonhomework.changerandseed.click()" />';
458:
459: if (!$Apache::lonhomework::parsing_a_task) {
460: my $numtoanalyze=$env{'form.numtoanalyze'};
461: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 462: $result .= '<span class="LC_nobreak">'.
463: &mt('[_1] for [_2] versions.',
464: '<input type="submit" name="problemmode" value='.&mt('"Calculate answers').'" />',
465: '<input type="text" name="numtoanalyze" value="'.
466: $numtoanalyze.'" size="5" />').
467: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
468: '</span>';
469:
1.313 albertel 470: }
1.406 albertel 471:
472: $result.='
473: </div>
1.408 albertel 474: <div class="LC_edit_problem_header_edit_row">';
475: $result.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />';
476: $result .= '<input type="submit" name="problemmode" accesskey="e" value="'.&mt('Edit').'" />';
477: $result .= '<input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />';
478: $result.='
479: </div>
1.409 albertel 480: '.&Apache::lonxml::message_location().'
1.406 albertel 481: </div>';
1.159 albertel 482: return $result;
1.48 albertel 483: }
484:
1.65 albertel 485: sub initialize_storage {
1.357 albertel 486: my ($given_symb) = @_;
1.353 albertel 487: undef(%Apache::lonhomework::results);
488: undef(%Apache::lonhomework::history);
1.357 albertel 489: my ($symb,$courseid,$domain,$name) =
1.367 albertel 490: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 491:
492: # anonymous users (CODEd exams) have no data
493: if ($name eq 'anonymous'
494: && !defined($domain)) {
495: return;
496: }
497:
1.333 albertel 498: if ($env{'request.state'} eq 'construct'
499: || $symb eq ''
500: || $Apache::lonhomework::type eq 'practice') {
501:
502: my $namespace = $symb || $env{'request.uri'};
503: if ($env{'form.resetdata'} eq &mt('Reset Submissions') ||
1.374 albertel 504: ($env{'form.resetdata'} eq &mt('New Problem Variation')
505: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 506: $env{'form.newrandomization'} eq &mt('New Randomization')) {
507: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
508: &Apache::lonxml::debug("Attempt reset");
509: }
1.159 albertel 510: %Apache::lonhomework::history=
1.333 albertel 511: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.159 albertel 512: my ($temp)=keys %Apache::lonhomework::history ;
513: &Apache::lonxml::debug("Return message of $temp");
514: } else {
515: %Apache::lonhomework::history=
516: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
517: }
1.353 albertel 518:
1.159 albertel 519: #ignore error conditions
1.67 albertel 520: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 521: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 522: }
523:
524: # -------------------------------------------------------------finalize_storage
525: # Stores away the result has to a student's environment
526: # checks form.grade_ for specific values, other wises stores
527: # to the running users environment
1.285 raeburn 528: # Will increment totals for attempts, students, and corrects
529: # if running user has student role.
1.65 albertel 530: sub finalize_storage {
1.357 albertel 531: my ($given_symb) = @_;
1.159 albertel 532: my $result;
1.289 albertel 533: if (%Apache::lonhomework::results) {
1.323 albertel 534: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
535: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 536: my ($symb,$courseid,$domain,$name) =
1.367 albertel 537: &Apache::lonnet::whichuser($given_symb);
1.333 albertel 538: if ($env{'request.state'} eq 'construct'
539: || $symb eq ''
540: || $Apache::lonhomework::type eq 'practice') {
541: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 542: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 543: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 544: $namespace,'',$domain,$name);
1.159 albertel 545: &Apache::lonxml::debug('Construct Store return message:'.$result);
546: } else {
547: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
548: $symb,$courseid,$domain,$name);
549: &Apache::lonxml::debug('Store return message:'.$result);
1.285 raeburn 550: if ($env{'request.role'} =~/^st/) {
551: &store_aggregates($symb,$courseid);
552: }
1.159 albertel 553: }
1.323 albertel 554: } else {
555: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 556: }
1.159 albertel 557: return $result;
1.65 albertel 558: }
559:
1.285 raeburn 560: # -------------------------------------------------------------store_aggregates
561: # Sends hash of values to be incremented in nohist_resourcetracker.db
562: # for the course. Increments total number of attempts, unique students
563: # and corrects for each part for an instance of a problem, as appropriate.
564: sub store_aggregates {
565: my ($symb,$courseid) = @_;
1.286 albertel 566: my %aggregate;
567: my @parts;
1.288 albertel 568: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
569: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 570: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 571: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 572: push(@parts, $1);
1.285 raeburn 573: }
574: }
1.286 albertel 575: foreach my $part (@parts) {
576: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
577: eq 'APPROX_ANS' ||
578: $Apache::lonhomework::results{'resource.'.$part.'.award'}
579: eq 'EXACT_ANS') {
1.287 albertel 580: $aggregate{$symb."\0".$part."\0correct"} = 1;
1.285 raeburn 581: }
1.286 albertel 582: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1.287 albertel 583: $aggregate{$symb."\0".$part."\0users"} = 1;
1.292 raeburn 584: } else {
1.293 albertel 585: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1.292 raeburn 586: if ($last_reset) {
1.293 albertel 587: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1.292 raeburn 588: $aggregate{$symb."\0".$part."\0users"} = 1;
589: }
590: }
1.285 raeburn 591: }
1.287 albertel 592: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 593: }
1.292 raeburn 594: if (keys (%aggregate) > 0) {
1.289 albertel 595: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 596: $cdomain,$cname);
597: }
598: }
1.289 albertel 599:
1.65 albertel 600: sub checkout_msg {
1.211 albertel 601: my %lt=&Apache::lonlocal::texthash(
602: 'resource'=>'The resource needs to be checked out',
603: '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.',
604: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
605: 'checkout'=>'Check out Exam for Viewing',
606: 'checkout?'=>'Check out Exam?');
1.352 albertel 607: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 608: return (<<ENDCHECKOUT);
1.211 albertel 609: <h2>$lt{'resource'}</h2>
610: <p>$lt{'id_expln'}</p>
611: <font color="red">
612: <p>$lt{'warning'}</p>
1.91 albertel 613: </font>
1.352 albertel 614: <form name="checkout" method="POST" action="$uri">
1.91 albertel 615: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 616: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 617: </form>
618: ENDCHECKOUT
619: }
620:
1.252 albertel 621: sub firstaccess_msg {
1.253 albertel 622: my ($time,$symb)=@_;
1.414 albertel 623: my $result;
624: my @interval=&Apache::lonnet::EXT("resource.0.interval");
625: if ($interval[1] eq 'map') {
626: my ($map)=&Apache::lonnet::decode_symb($symb);
627: my $foldertitle=&Apache::lonnet::gettitle($map);
628:
629: &Apache::lonxml::debug("map is $map title is $foldertitle");
630: $result .= (<<ENDCHECKOUT);
631: <h2>The resources in "$foldertitle" are open for a limited time. Once you click the 'Show Resource' button below you have $time to complete all resources "$foldertitle".</h2>
632: ENDCHECKOUT
633: } elsif ($interval[1] eq 'course') {
634: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
635: $result .= (<<ENDCHECKOUT);
636: <h2>The resources in "$course" are open for a limited time. Once you click the 'Show Resource' button below you have $time to complete all resources in "$course".</h2>
637: ENDCHECKOUT
638: } else {
639: my $title=&Apache::lonnet::gettitle($symb);
640: $result .= (<<ENDCHECKOUT);
641: <h2>This resource "$title" is open for a limited time. Once you click the 'Show Resource' button below you have $time to complete this resource "$title".</h2>
642: ENDCHECKOUT
643:
644: }
1.352 albertel 645: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.414 albertel 646: $result .= (<<ENDCHECKOUT);
1.352 albertel 647: <form name="markaccess" method="POST" action="$uri">
1.252 albertel 648: <input type="hidden" name="markaccess" value="yes" />
649: <input type="button" name="accessbutton" value="Show Resource" onClick="javascript:if (confirm('Start Timer?')) { document.markaccess.submit(); }" />
650: </form>
651: ENDCHECKOUT
1.414 albertel 652: return $result;
1.252 albertel 653: }
654:
1.204 albertel 655: sub init_problem_globals {
656: my ($type)=@_;
657: #initialize globals
1.308 foxr 658: # For problems, we start out in part 0 (outside a <part> tag).
659: # and part 0 is used to describe the main body of the <problem>
660: #
1.204 albertel 661: if ($type eq 'problem') {
662: $Apache::inputtags::part='0';
663: @Apache::inputtags::partlist=('0');
1.405 albertel 664: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 665: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 666:
1.266 albertel 667: } elsif ($type eq 'library') {
1.204 albertel 668: $Apache::inputtags::part='';
669: @Apache::inputtags::partlist=();
1.405 albertel 670: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 671: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 672:
1.304 albertel 673: } elsif ($type eq 'Task') {
674: $Apache::inputtags::part='0';
675: @Apache::inputtags::partlist=('0');
1.405 albertel 676: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 677: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 678: }
679: @Apache::inputtags::responselist = ();
680: @Apache::inputtags::importlist = ();
681: @Apache::inputtags::previous=();
682: @Apache::inputtags::previous_version=();
683: $Apache::structuretags::printanswer='No';
684: @Apache::structuretags::whileconds=();
685: @Apache::structuretags::whilebody=();
686: @Apache::structuretags::whileline=();
687: $Apache::lonhomework::scantronmode=0;
688: undef($Apache::lonhomework::name);
1.358 albertel 689: undef($Apache::lonhomework::default_type);
690: undef($Apache::lonhomework::type);
1.204 albertel 691: }
692:
693: sub reset_problem_globals {
694: my ($type)=@_;
695: undef(%Apache::lonhomework::history);
696: undef(%Apache::lonhomework::results);
697: undef($Apache::inputtags::part);
1.208 albertel 698: #don't undef this, lonhomework.pm takes care of this, we use this to
699: #detect if we try to do 2 problems in one file
700: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 701: undef($Apache::lonhomework::name);
1.358 albertel 702: undef($Apache::lonhomework::default_type);
703: undef($Apache::lonhomework::type);
704: undef($Apache::lonhomework::scantronmode);
705: undef($Apache::lonhomework::ignore_response_errors);
1.405 albertel 706: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 707: }
708:
1.241 albertel 709: sub set_problem_state {
1.240 albertel 710: my ($part)=@_;
1.284 albertel 711: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 712: $Apache::lonhomework::history{"resource.$part.solved"}=
713: 'correct_by_student';
714: }
715: }
716:
1.241 albertel 717: sub get_problem_status {
718: my ($part)=@_;
1.267 albertel 719: my $problem_status;
1.284 albertel 720: if ($env{'request.state'} eq 'construct' &&
721: defined($env{'form.problemstatus'})) {
722: $problem_status=$env{'form.problemstatus'};
1.267 albertel 723: } else {
724: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
725: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 726: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 727: }
728: return $problem_status;
729: }
730:
1.9 albertel 731: sub start_problem {
1.326 albertel 732: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 733:
1.311 foxr 734: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 735: if (!$Apache::lonxml::metamode) {
736: &Apache::lonxml::startredirection();
737: }
1.311 foxr 738:
1.308 foxr 739: # Problems don't nest and we don't allow more than one <problem> in
740: # a .problem file.
741: #
1.184 albertel 742: if ( $Apache::inputtags::part ne '' ||
743: $Apache::lonhomework::parsing_a_problem) {
744: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 745: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 746: return '';
747: }
1.184 albertel 748:
749: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 750: &init_problem_globals('problem');
1.166 albertel 751:
1.284 albertel 752: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 753: $Apache::lonhomework::scantronmode=1;
754: }
1.161 albertel 755:
1.159 albertel 756: if ($target ne 'analyze') {
1.415 ! raeburn 757: my $type = &Apache::lonnet::EXT('resource.0.type');
! 758: $Apache::lonhomework::type=$type;
1.284 albertel 759: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 760: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 761: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 762: }
1.332 albertel 763: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 764: }
1.164 albertel 765: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 766: my $uri=$env{'request.uri'};
1.159 albertel 767: if ($uri=~/\.(\w+)$/) {
768: $Apache::lonhomework::type=$1;
769: &Apache::lonxml::debug("Using type of $1");
770: } else {
771: $Apache::lonhomework::type='problem';
772: &Apache::lonxml::debug("Using default type, problem, :$uri:");
773: }
1.87 albertel 774: }
1.301 albertel 775: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 776:
1.363 albertel 777: &initialize_storage();
1.389 albertel 778: if ($target ne 'analyze'
779: && $env{'request.state'} eq 'construct') {
780: &set_problem_state('0');
781: }
782:
1.366 albertel 783: if ($target eq 'web') {
784: &Apache::lonxml::debug(" grading history ");
785: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
786: }
1.363 albertel 787:
1.159 albertel 788: #added vars to the scripting enviroment
1.213 albertel 789: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 790: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 791: &Apache::run::run($expression,$safeeval);
1.159 albertel 792: my $status;
793: my $accessmsg;
794:
1.343 albertel 795: my $name= &get_resource_name($parstack,$safeeval);
1.350 albertel 796: my ($result,$form_tag_start);
1.354 albertel 797: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
798: || $target eq 'edit') {
1.350 albertel 799: ($result,$form_tag_start) =
800: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
801: $name);
802: }
803:
1.284 albertel 804: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 805:
806: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
807: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
808: $target eq 'tex') {
809: #handle exam checkout
810: if ($Apache::lonhomework::type eq 'exam') {
811: my $token=
812: $Apache::lonhomework::history{"resource.0.outtoken"};
1.284 albertel 813: if (($env{'form.doescheckout'}) && (!$token)) {
1.159 albertel 814: $token=&Apache::lonxml::maketoken();
815: $Apache::lonhomework::history{"resource.0.outtoken"}=
816: $token;
817: }
1.343 albertel 818: $result.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 819: }
1.284 albertel 820: if ($env{'form.markaccess'}) {
1.414 albertel 821: my @interval=&Apache::lonnet::EXT("resource.0.interval");
822: &Apache::lonnet::set_first_access($interval[1]);
1.252 albertel 823: }
1.159 albertel 824: #handle rand seed in construction space
825: my $rndseed=&setup_rndseed($safeeval);
1.367 albertel 826: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 827: if ($env{'request.state'} ne "construct" &&
828: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 829: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
830: $rndseed.'" />'.
831: '<input type="submit" name="resetdata"
1.334 albertel 832: value="'.&mt('New Problem Variation').'" />';
833: if (exists($env{'form.username'})) {
834: $form_tag_start.=
1.164 albertel 835: '<input type="hidden" name="username"
1.284 albertel 836: value="'.$env{'form.username'}.'" />';
1.334 albertel 837: }
1.333 albertel 838: if ($env{'request.role.adv'}) {
1.267 albertel 839: $form_tag_start.=
1.300 albertel 840: ' <label><input type="checkbox" name="showallfoils" ';
1.284 albertel 841: if (defined($env{'form.showallfoils'})) {
1.267 albertel 842: $form_tag_start.='checked="on"';
843: }
1.300 albertel 844: $form_tag_start.= ' />'.&mt(' Show All Foils').
845: '</label>';
1.267 albertel 846: }
847: $form_tag_start.='<hr />';
1.162 albertel 848: }
1.324 albertel 849:
850: ($status,$accessmsg,my $slot_name,my $slot) =
851: &Apache::lonhomework::check_slot_access('0','problem');
1.159 albertel 852: push (@Apache::inputtags::status,$status);
1.324 albertel 853:
1.159 albertel 854: my $expression='$external::datestatus="'.$status.'";';
855: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
856: &Apache::run::run($expression,$safeeval);
857: &Apache::lonxml::debug("Got $status");
1.324 albertel 858:
1.159 albertel 859: if (( $status eq 'CLOSED' ) ||
860: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 861: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 862: ( $status eq 'BANNED') ||
1.216 albertel 863: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 864: ( $status eq 'NOT_IN_A_SLOT') ||
1.216 albertel 865: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 866: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
867: $style);
1.159 albertel 868: if ( $target eq "web" ) {
1.343 albertel 869: my $msg;
1.159 albertel 870: if ($status eq 'UNAVAILABLE') {
1.245 albertel 871: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.253 albertel 872: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 873: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 874: }
1.216 albertel 875: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 876: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 877: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 878: $msg.=&checkout_msg();
1.252 albertel 879: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 880: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 881: } elsif ($status eq 'NOT_IN_A_SLOT') {
882: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work.");
1.159 albertel 883: }
884: $result.=$msg.'<br />';
885: } elsif ($target eq 'tex') {
1.332 albertel 886: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
887: : '\begin{minipage}{\textwidth}';
888: $result.='\begin{document}\noindent \vskip 1 mm '.
889: $startminipage.'\vskip 0 mm';
1.159 albertel 890: if ($status eq 'UNAVAILABLE') {
1.211 albertel 891: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 892: } else {
1.211 albertel 893: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 894: }
895: }
1.324 albertel 896: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 897: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
898: $style);
1.324 albertel 899: if ($target eq 'web') {
1.375 albertel 900: $result .=
901: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 902: } elsif ($target eq 'grade') {
903: &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
904: 'problem');
905: }
1.159 albertel 906: } elsif ($target eq 'web') {
1.360 albertel 907: if ($status eq 'CAN_ANSWER'
908: && $slot_name ne ''
909: && $Apache::lonhomework::history{'resource.0.checkedin'} eq '') {
910: # unproctored slot access, self checkin
911: &Apache::bridgetask::check_in('problem',undef,undef,
912: $slot_name);
913: }
1.368 albertel 914: $result.="\n $form_tag_start \t".
1.227 albertel 915: '<input type="hidden" name="submitted" value="yes" />';
916: # create a page header and exit
1.284 albertel 917: if ($env{'request.state'} eq "construct") {
918: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.227 albertel 919: }
920: # if we are viewing someone else preserve that info
1.284 albertel 921: if (defined $env{'form.grade_symb'}) {
1.227 albertel 922: foreach my $field ('symb','courseid','domain','username') {
923: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 924: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 925: }
926: }
927: } elsif ($target eq 'tex') {
1.319 foxr 928: $result .= 'INSERTTEXFRONTMATTERHERE';
929:
1.99 sakharuk 930: }
1.159 albertel 931: } elsif ($target eq 'edit') {
1.343 albertel 932: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 933: $Apache::lonxml::warnings_error_header=
934: &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 935: my $temp=&Apache::edit::insertlist($target,$token);
936: $result.=$temp;
937: } elsif ($target eq 'modified') {
938: $result=$token->[4];
939: } else {
940: # page_start returned a starting result, delete it if we don't need it
941: $result = '';
1.99 sakharuk 942: }
1.159 albertel 943: return $result;
1.9 albertel 944: }
945:
946: sub end_problem {
1.159 albertel 947: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 948: my $result;
1.310 foxr 949:
1.321 albertel 950: if (!$Apache::lonxml::metamode) {
951: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 952: $Apache::lonxml::post_evaluate=0;
1.321 albertel 953: }
1.319 foxr 954:
955: if ($target eq 'tex') {
1.321 albertel 956: # Figure out the front matter and replace the
957: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
958: # this in end_problem because whether or not we display due
959: # dates depends on whether due dates have already been
960: # displayed in the problem parts.
961:
1.319 foxr 962: my $frontmatter = '';
963: my $startminipage = '';
964: if (not $env{'form.problem_split'}=~/yes/) {
965: $startminipage = '\begin{minipage}{\textwidth}';
966: }
967: my $id = $Apache::inputtags::part;
968: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
969: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
970: my @packages = split /,/,$packages;
971: my $allow_print_points = 0;
972: foreach my $partial_key (@packages) {
973: if ($partial_key=~m/^part_0$/) {
974: $allow_print_points=1;
975: }
976: }
977: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
978: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
979: if (lc($env{'course.'.$env{'request.course.id'}.
980: '.disableexampointprint'}) eq 'yes') {
981: $allow_print_points=0;
982: }
983: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
984: my $begin_doc='\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$env{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent ';
985: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
986: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
987:
988: # Figure out what the due date is and if we need to print
989: # it in the problem header. We have been logging the
990: # last due date written to file.
991:
992: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
993: my $duedate = POSIX::strftime("%c",localtime($duetime));
994: my $temp_file;
995: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
996:
997: # Figure out what the last printed due date is or set it
998: # to the epoch if no duedates have been printed.
999:
1000: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1001: if (-e $filename) {
1002: $temp_file = Apache::File->new($filename);
1003: my @due_file = <$temp_file>;
1004: $due_file_content = $due_file[$#due_file];
1005: chomp $due_file_content;
1006: }
1007:
1008: # We display the due date iff it is not the same as the last
1009: # duedate in problem header ($due_file_content), and
1010: # none of our parts displayed a duedate.
1011: #
1012: my $parts_with_displayduedate;
1013: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1014: $parts_with_displayduedate =
1015: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1016: } else {
1017: $parts_with_displayduedate = 0;
1018: }
1019: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1020: $temp_file = Apache::File->new('>'.$filename);
1021: print $temp_file "$duetime\n";
1022: if (not $env{'request.symb'} =~ m/\.page_/) {
1023: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1024: $frontmatter .= $begin_doc.
1025: '\textit{Due date: '.$duedate.'} '.$toc_line;
1026: } else {
1027: $frontmatter.= $begin_doc.$toc_line;
1028: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1029: }
1030: } else {
1.381 albertel 1031: $frontmatter .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\'.$startminipage;
1.319 foxr 1032: }
1033: } else {
1034: if (not $env{'request.symb'} =~ m/\.page_/) {
1035: $frontmatter .= $begin_doc.$toc_line;
1036: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1037: } else {
1.381 albertel 1038: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1039: }
1040: }
1041: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1042: }
1043:
1.159 albertel 1044: my $status=$Apache::inputtags::status['-1'];
1045: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1046: $target eq 'tex') {
1.249 albertel 1047: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1048: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1049: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1050: &Apache::inputtags::grade;
1.324 albertel 1051: } elsif ($status eq 'NEEDS_CHECKIN') {
1052: # no need to grade, and don't want to hide data
1.249 albertel 1053: } else {
1054: # move any submission data to .hidden
1055: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1056: }
1.159 albertel 1057: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1058: $Apache::inputtags::part eq '0' &&
1.252 albertel 1059: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 1060: # if part is zero, no <part>s existed, so we need show the current
1061: # grading status
1062: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1063: $result.= $gradestatus;
1064: }
1065: if (
1.284 albertel 1066: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1067: ($target eq 'answer') || ($target eq 'tex')
1068: ) {
1.227 albertel 1069: if ($target ne 'tex' &&
1.284 albertel 1070: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 1071: $result.="</form>";
1.348 albertel 1072: $result.= &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields());
1.159 albertel 1073: }
1074: if ($target eq 'web') {
1.346 albertel 1075: $result.= &Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1076: } elsif ($target eq 'tex') {
1.178 sakharuk 1077: my $endminipage = '';
1.284 albertel 1078: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1079: $endminipage = '\end{minipage}';
1080: }
1.284 albertel 1081: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1082: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1083: } else {
1.262 sakharuk 1084: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1085: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1086: $result .= $endminipage.'\end{document} ';
1087: } else {
1.382 albertel 1088: $result .= $endminipage;
1.262 sakharuk 1089: }
1.159 albertel 1090: }
1091: }
1092: }
1093: if ($target eq 'grade') {
1094: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1095: &finalize_storage();
1096: }
1.284 albertel 1097: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
1098: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 1099: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 1100: # normally we get it from above, but in CSTR
1.172 albertel 1101: # we always show answer mode too.
1.159 albertel 1102: }
1103: } elsif ($target eq 'meta') {
1104: if ($Apache::inputtags::part eq '0') {
1.179 albertel 1105: @Apache::inputtags::response=();
1.159 albertel 1106: $result=&Apache::response::mandatory_part_meta;
1107: }
1.215 albertel 1108: $result.=&Apache::response::meta_part_order();
1.258 albertel 1109: $result.=&Apache::response::meta_response_order();
1.159 albertel 1110: } elsif ($target eq 'edit') {
1111: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 1112: $result .= &problem_edit_footer();
1.320 albertel 1113: } elsif ($target eq 'modified') {
1114: $result .= $token->[2];
1.159 albertel 1115: }
1.155 albertel 1116:
1.284 albertel 1117: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 1118: &Apache::inputtags::check_for_duplicate_ids();
1119: }
1.204 albertel 1120:
1121: &reset_problem_globals('problem');
1.159 albertel 1122:
1123: return $result;
1.48 albertel 1124: }
1125:
1.108 albertel 1126:
1.48 albertel 1127: sub start_library {
1.159 albertel 1128: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 1129: my ($result,$form_tag_start);
1.371 albertel 1130: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 1131: &init_problem_globals('library');
1132: $Apache::lonhomework::type='problem';
1133: }
1.159 albertel 1134: if ($target eq 'edit') {
1.343 albertel 1135: ($result,$form_tag_start)=
1136: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1137: 'Edit');
1138: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 1139: my $temp=&Apache::edit::insertlist($target,$token);
1140: $result.=$temp;
1141: } elsif ($target eq 'modified') {
1142: $result=$token->[4];
1.340 albertel 1143: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 1144: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 1145: && $env{'request.state'} eq "construct" ) {
1.159 albertel 1146: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 1147: ($result,$form_tag_start)=
1148: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1149: $name);
1.159 albertel 1150: my $rndseed=&setup_rndseed($safeeval);
1.343 albertel 1151: $result.=" \n $form_tag_start".
1.159 albertel 1152: '<input type="hidden" name="submitted" value="yes" />';
1153: $result.=&problem_web_to_edit_header($rndseed);
1154: }
1155: return $result;
1.48 albertel 1156: }
1157:
1158: sub end_library {
1.159 albertel 1159: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1160: my $result='';
1161: if ($target eq 'edit') {
1162: $result=&problem_edit_footer();
1.371 albertel 1163: } elsif ($target eq 'web'
1164: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1165: && $env{'request.state'} eq "construct") {
1.349 albertel 1166: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1167: }
1.371 albertel 1168: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1169: &reset_problem_globals('library');
1170: }
1.159 albertel 1171: return $result;
1.197 www 1172: }
1173:
1174: sub start_definetag {
1.326 albertel 1175: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 1176:
1177: my $result;
1178:
1179: my $name = $token->[2]->{'name'};
1.326 albertel 1180: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 1181: if ($target eq 'web') {
1182: if ($name=~/^\//) {
1183: $result=
1184: '<br /><table class="LC_sty_end"><tr><th>'.
1185: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1186: } else {
1187: $result=
1188: '<br /><table class="LC_sty_begin"><tr><th>'.
1189: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1190: }
1191: $skip = &HTML::Entities::encode($skip, '<>&"');
1192: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 1193: }
1194: return $result;
1195: }
1196:
1197: sub end_definetag {
1198: return '';
1.1 albertel 1199: }
1200:
1201: sub start_block {
1.201 albertel 1202: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 1203:
1204: my $result;
1.1 albertel 1205:
1.339 albertel 1206: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1207: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 1208: my $code = $token->[2]->{'condition'};
1.385 albertel 1209: if (defined($code) && $code ne '') {
1.137 albertel 1210: if (!$Apache::lonxml::default_homework_loaded) {
1211: &Apache::lonxml::default_homework_load($safeeval);
1212: }
1.131 albertel 1213: $result = &Apache::run::run($code,$safeeval);
1214: &Apache::lonxml::debug("block :$code: returned :$result:");
1215: } else {
1216: $result='1';
1217: }
1218: if ( ! $result ) {
1.201 albertel 1219: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 1220: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1221: }
1222: $result='';
1223: } elsif ($target eq 'edit') {
1224: $result .=&Apache::edit::tag_start($target,$token);
1225: $result .=&Apache::edit::text_arg('Test Condition:','condition',
1226: $token,40);
1227: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1228: } elsif ($target eq 'modified') {
1229: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1230: $safeeval,'condition');
1231: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 1232: }
1.131 albertel 1233: return $result;
1.1 albertel 1234: }
1235:
1236: sub end_block {
1.167 www 1237: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1238: my $result;
1239: if ($target eq "edit") {
1240: $result.= &Apache::edit::tag_end($target,$token,'');
1241: }
1242: return $result;
1243: }
1244:
1245: sub start_languageblock {
1.201 albertel 1246: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 1247:
1248: my $result;
1249:
1.339 albertel 1250: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1251: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 1252: my $include = $token->[2]->{'include'};
1253: my $exclude = $token->[2]->{'exclude'};
1.398 www 1254: my @preferred_languages=&Apache::loncommon::preferred_languages();
1.394 www 1255: # This should not even happen, since we should at least have the server language
1.398 www 1256: if (!$preferred_languages[0]) { $preferred_languages[0]='en'; }
1257: # Now loop over all languages in order of preference
1258: foreach my $preferred_language (@preferred_languages) {
1.394 www 1259: # If the languageblock has no arguments, show the contents
1.399 www 1260: $result=1;
1261: my $found=0;
1.394 www 1262: # Do we have an include argument?
1.398 www 1263: if ($include) {
1.394 www 1264: # If include is specified, by default, don't render the block
1.399 www 1265: $result=0;
1.398 www 1266: foreach my $included_language (split(/\,/,$include)) {
1.394 www 1267: # ... but if my preferred language is included, render it
1.398 www 1268: if ($included_language eq $preferred_language) {
1.399 www 1269: $result=1;
1270: $found=1;
1.398 www 1271: }
1272: }
1273: }
1.394 www 1274: # Do we have an exclude argument?
1.398 www 1275: if ($exclude) {
1.399 www 1276: $result=1;
1.398 www 1277: foreach my $excluded_language (split(/\,/,$exclude)) {
1278: if ($excluded_language eq $preferred_language) {
1.399 www 1279: $result=0;
1280: $found=1;
1.398 www 1281: }
1282: }
1283: }
1.399 www 1284: if ($found) { last; }
1.398 www 1285: }
1.201 albertel 1286: if ( ! $result ) {
1287: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
1288: $style);
1289: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1290: }
1291: $result='';
1.167 www 1292: } elsif ($target eq 'edit') {
1293: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1294: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 1295: $token,40);
1.211 albertel 1296: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 1297: $token,40);
1298: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1299: } elsif ($target eq 'modified') {
1300: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 1301: $safeeval,'include',
1302: 'exclude');
1.167 www 1303: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1304: }
1305: return $result;
1306: }
1307:
1308: sub end_languageblock {
1.170 www 1309: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1310: my $result;
1.201 albertel 1311: if ($target eq "edit") {
1.170 www 1312: $result.= &Apache::edit::tag_end($target,$token,'');
1313: }
1314: return $result;
1315: }
1316:
1.397 albertel 1317: {
1318: my %available_texts;
1319: sub start_translated {
1320: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1321: &Apache::lonxml::register('Apache::structuretags',('lang'));
1322: undef(%available_texts);
1323: }
1324:
1325: sub end_translated {
1326: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1327: my $result;
1328: #show the translation on viewable targets
1329: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
1330: # or non-viewable targets, if it's embedded in something that
1331: # wants the output
1332: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
1333: && &Apache::lonxml::in_redirection() ) ) {
1334: my @possibilities = keys(%available_texts);
1335: my $which =
1336: &Apache::loncommon::languages(\@possibilities) || 'default';
1337: $result = $available_texts{$which};
1338: }
1339: undef(%available_texts);
1340: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
1341: return $result;
1342: }
1343:
1344:
1345: sub start_lang {
1346: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1347: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1348: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1349: &Apache::lonxml::startredirection();
1350: }
1351: return '';
1352: }
1353:
1354: sub end_lang {
1355: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1356: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1357: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1358: my $result = &Apache::lonxml::endredirection();
1359: my $which = &Apache::lonxml::get_param('which',$parstack,
1360: $safeeval);
1361: $available_texts{$which} = $result;
1362: }
1363: return '';
1364: }
1365: }
1366:
1.170 www 1367: sub start_instructorcomment {
1.201 albertel 1368: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 1369:
1370: my $result;
1371:
1.339 albertel 1372: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1373: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.284 albertel 1374: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
1375: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 1376: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
1377: $parser,$style);
1.170 www 1378: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1379: }
1380: $result='';
1381: } elsif ($target eq 'edit') {
1382: $result .=&Apache::edit::tag_start($target,$token);
1383: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1384: }
1385: return $result;
1386: }
1387:
1388: sub end_instructorcomment {
1.159 albertel 1389: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1390: my $result;
1391: if ($target eq "edit") {
1392: $result.= &Apache::edit::tag_end($target,$token,'');
1393: }
1394: return $result;
1.4 tsai 1395: }
1396:
1397: sub start_while {
1.326 albertel 1398: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1399:
1.160 albertel 1400: my $result;
1.339 albertel 1401: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1402: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1403: my $code = $token->[2]->{'condition'};
1.4 tsai 1404:
1.160 albertel 1405: push( @Apache::structuretags::whileconds, $code);
1406: if (!$Apache::lonxml::default_homework_loaded) {
1407: &Apache::lonxml::default_homework_load($safeeval);
1408: }
1409: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 1410: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 1411: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 1412: push( @Apache::structuretags::whileline, $token->[5]);
1413: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 1414: if ( $result ) {
1415: &Apache::lonxml::newparser($parser,\$bodytext);
1416: }
1417: } elsif ($target eq 'edit') {
1418: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1419: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 1420: $token,40);
1421: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1422: } elsif ($target eq 'modified') {
1423: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1424: $safeeval,'condition');
1425: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 1426: }
1.160 albertel 1427: return $result;
1.4 tsai 1428: }
1429:
1430: sub end_while {
1.159 albertel 1431: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1432: my $result;
1433:
1.339 albertel 1434: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1435: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1436: my $code = pop(@Apache::structuretags::whileconds);
1437: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1438: my $line = pop(@Apache::structuretags::whileline);
1439: my $return = &Apache::run::run($code,$safeeval);
1440: my $starttime=time;
1441: my $error=0;
1442: while ($return) {
1443: if (time-$starttime >
1444: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 1445: $return = 0; $error=1; next;
1.161 albertel 1446: }
1447: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 1448: if ($target eq 'grade' || $target eq 'answer' ||
1449: $target eq 'analyze') {
1450: # grade/answer/analyze should produce no output but if we
1451: # are redirecting, the redirecter should know what to do
1452: # with the output
1453: if (!$Apache::lonxml::redirection) { undef($result); }
1454: }
1.161 albertel 1455: $return = &Apache::run::run($code,$safeeval);
1456: }
1457: if ($error) {
1.270 albertel 1458: &Apache::lonxml::error('<pre>'.&mt('Code ran too long. It ran for more than').' '.$Apache::lonnet::perlvar{'lonScriptTimeout'}.' '.&mt('seconds occured while running <while> on line').' '.$line.'</pre>');
1.160 albertel 1459: }
1460: } elsif ($target eq "edit") {
1461: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1462: }
1.160 albertel 1463: return $result;
1.1 albertel 1464: }
1.6 tsai 1465:
1.160 albertel 1466: # <randomlist show="1">
1.6 tsai 1467: # <tag1>..</tag1>
1468: # <tag2>..</tag2>
1469: # <tag3>..</tag3>
1.160 albertel 1470: # ...
1.6 tsai 1471: # </randomlist>
1472: sub start_randomlist {
1.326 albertel 1473: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1474: my $result;
1.339 albertel 1475: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1476: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 1477: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 1478: my $b_parser= HTML::LCParser->new(\$body);
1479: $b_parser->xml_mode(1);
1480: $b_parser->marked_sections(1);
1.159 albertel 1481: my $b_tok;
1482: my @randomlist;
1483: my $list_item;
1484: while($b_tok = $b_parser->get_token() ) {
1485: if($b_tok->[0] eq 'S') { # start tag
1486: # get content of the tag until matching end tag
1487: # get all text upto the matching tag
1488: # and push the content into @randomlist
1489: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1490: $b_parser);
1491: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1492: push(@randomlist,$list_item);
1493: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1494: # $list_item</b>";
1495: }
1496: if($b_tok->[0] eq 'T') { # text
1497: # what to do with text in between tags?
1498: # print "<b>TEXT $b_tok->[1]</b><br />";
1499: }
1500: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1501: # print "<b>END-TAG $b_tok->[1]</b><br />";
1502: # }
1503: }
1.303 albertel 1504: if (@randomlist) {
1505: my @idx_arr = (0 .. $#randomlist);
1506: &Apache::structuretags::shuffle(\@idx_arr);
1507: my $bodytext = '';
1508: my $show=$#randomlist;
1509: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1510: $showarg--;
1511: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1512: for(0 .. $show) {
1513: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1514: }
1515: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 1516: }
1517: } elsif ($target eq 'edit' ) {
1518: $result .=&Apache::edit::tag_start($target,$token);
1519: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1520: $token,5);
1521: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1522: } elsif ($target eq 'modified' ) {
1523: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1524: $safeeval,'show');
1525: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1526: }
1527: return $result;
1.7 tsai 1528: }
1529:
1530: sub shuffle {
1531: my $a=shift;
1532: my $i;
1.303 albertel 1533: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 1534: &Apache::response::pushrandomnumber();
1.159 albertel 1535: for($i=@$a;--$i;) {
1536: my $j=int(&Math::Random::random_uniform() * ($i+1));
1537: next if $i == $j;
1538: @$a[$i,$j] = @$a[$j,$i];
1539: }
1.251 albertel 1540: &Apache::response::poprandomnumber();
1.7 tsai 1541: }
1.6 tsai 1542: }
1543:
1544: sub end_randomlist {
1.159 albertel 1545: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1546: my $result;
1547: if ($target eq 'edit' ) {
1548: $result=&Apache::edit::tag_end($target,$token,
1549: 'End Randomly Parsed Block');
1550: }
1551: return $result;
1.6 tsai 1552: }
1553:
1.283 albertel 1554: sub ordered_show_check {
1555: my $last_part=$Apache::inputtags::partlist[-2];
1556: my $in_order=
1557: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1558: my $in_order_show=1;
1559: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1560: $in_order_show=&Apache::response::check_status($last_part);
1561: }
1562: return $in_order_show;
1563: }
1564:
1.11 albertel 1565: sub start_part {
1.326 albertel 1566: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 1567: if (!$Apache::lonxml::metamode) {
1568: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
1569: # duedates.
1570: }
1.159 albertel 1571: my $result='';
1.386 albertel 1572: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 1573: $Apache::inputtags::part=$id;
1.177 albertel 1574: push(@Apache::inputtags::partlist,$id);
1575: @Apache::inputtags::response=();
1.159 albertel 1576: @Apache::inputtags::previous=();
1577: @Apache::inputtags::previous_version=();
1.405 albertel 1578: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 1579: &Apache::response::reset_params();
1580:
1.159 albertel 1581: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1582: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1583: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1584: my $in_order_show=&ordered_show_check();
1.214 albertel 1585: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1586: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1587: &Apache::run::run($expression,$safeeval);
1.159 albertel 1588:
1589: if ($target eq 'meta') {
1.224 www 1590: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1591: return &Apache::response::mandatory_part_meta.
1592: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1593: } elsif ($target eq 'web' || $target eq 'grade' ||
1594: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1595: if ($hidden || !$in_order_show) {
1.326 albertel 1596: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 1597: } else {
1598: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1599: push (@Apache::inputtags::status,$status);
1600: my $expression='$external::datestatus="'.$status.'";';
1601: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1602: &Apache::run::run($expression,$safeeval);
1.284 albertel 1603: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1604: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1605: }
1.216 albertel 1606: if (( $status eq 'CLOSED' ) ||
1607: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1608: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1609: ( $status eq 'BANNED') ||
1610: ( $status eq 'UNAVAILABLE') ||
1611: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 1612: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
1613: $style);
1.159 albertel 1614: if ( $target eq "web" ) {
1.211 albertel 1615: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1616: } elsif ( $target eq 'tex' ) {
1.284 albertel 1617: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1618: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1619: } else {
1.211 albertel 1620: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1621: }
1.159 albertel 1622: }
1623: } else {
1624: if ($target eq 'tex') {
1.284 albertel 1625: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1626: if ($$tagstack[-2] eq 'td') {
1.388 foxr 1627: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 1628: } else {
1629: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1630: }
1.195 sakharuk 1631: }
1.159 albertel 1632: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1633: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1634: my @allkeys = split /,/,$allkeys;
1635: my $allow_print_points = 0;
1636: foreach my $partial_key (@allkeys) {
1.230 albertel 1637: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1638: if ($1 ne '0') {$allow_print_points=1;}
1639: }
1640: }
1.275 albertel 1641: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1642: if (defined($maxtries) && $maxtries < 0) {
1643: $allow_print_points=0;
1644: }
1.302 albertel 1645: if (lc($env{'course.'.$env{'request.course.id'}.
1646: '.disableexampointprint'}) eq 'yes') {
1647: $allow_print_points=0;
1648: }
1.222 sakharuk 1649: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1650: } elsif ($target eq 'web') {
1.356 www 1651: $result.='<a name="'.&escape($Apache::inputtags::part).'" />';
1.159 albertel 1652: }
1653: }
1654: }
1655: } elsif ($target eq 'edit') {
1656: $result.=&Apache::edit::tag_start($target,$token);
1657: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1658: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1659: ' '.
1660: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1661: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1662: } elsif ($target eq 'modified') {
1663: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1664: $safeeval,'id','display');
1.159 albertel 1665: if ($constructtag) {
1.225 albertel 1666: #limiting ids to only letters numbers, and space
1.224 www 1667: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1668: $result = &Apache::edit::rebuild_tag($token);
1669: }
1670: }
1671: return $result;
1.11 albertel 1672: }
1673:
1674: sub end_part {
1.159 albertel 1675: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1676: &Apache::lonxml::debug("in end_part $target ");
1677: my $status=$Apache::inputtags::status['-1'];
1678: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1679: my $in_order_show=&ordered_show_check();
1.321 albertel 1680: my $result;
1681: if (!$Apache::lonxml::metamode) {
1682: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 1683: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1684: }
1.312 albertel 1685: if ($target eq 'grade') {
1.249 albertel 1686: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1687: !$hidden && $in_order_show) {
1.311 foxr 1688: $result.=&Apache::inputtags::grade;
1.249 albertel 1689: } else {
1690: # move any submission data to .hidden
1691: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1692: }
1.283 albertel 1693: } elsif (($target eq 'web' || $target eq 'tex') &&
1694: !$hidden && $in_order_show) {
1.159 albertel 1695: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1696: $target);
1.212 albertel 1697: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1698: $gradestatus='';
1699: }
1.311 foxr 1700: $result.=$gradestatus;
1.265 sakharuk 1701: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1702: } elsif ($target eq 'edit') {
1.311 foxr 1703: $result.=&Apache::edit::end_table();
1.322 albertel 1704: } elsif ($target eq 'modified') {
1705: $result .= $token->[2];
1.159 albertel 1706: }
1707: pop @Apache::inputtags::status;
1708: $Apache::inputtags::part='';
1.295 albertel 1709: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 1710: return $result;
1.11 albertel 1711: }
1.1 albertel 1712:
1.25 albertel 1713: sub start_preduedate {
1.326 albertel 1714: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 1715: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1716: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 1717: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 1718: if (!$Apache::lonhomework::scantronmode &&
1719: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1720: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1721: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 1722: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 1723: }
1.24 albertel 1724: }
1.159 albertel 1725: return '';
1.24 albertel 1726: }
1727:
1.25 albertel 1728: sub end_preduedate {
1.159 albertel 1729: return '';
1.24 albertel 1730: }
1731:
1.369 foxr 1732: # In all the modes where <postanswerdate> text is
1733: # displayable, all we do is eat up the text between the start/stop
1734: # tags if the conditions are not right to display it.
1.25 albertel 1735: sub start_postanswerdate {
1.326 albertel 1736: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 1737: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
1738: &Apache::lonnet::allowed('pav',
1739: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 1740: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 1741: $target eq 'tex' ) {
1.300 albertel 1742: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 1743: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
1744: (($target eq 'tex') && !$pav)) {
1.326 albertel 1745: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 1746: }
1747: }
1748: return '';
1.24 albertel 1749: }
1750:
1.25 albertel 1751: sub end_postanswerdate {
1.159 albertel 1752: return '';
1.24 albertel 1753: }
1754:
1.25 albertel 1755: sub start_notsolved {
1.326 albertel 1756: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1757: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 1758: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 1759: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1760: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1761: if ($gradestatus =~ /^correct/ &&
1762: &Apache::response::show_answer()) {
1.159 albertel 1763: &Apache::lonxml::debug("skipping");
1.326 albertel 1764: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 1765: }
1.24 albertel 1766: }
1.159 albertel 1767: return '';
1.24 albertel 1768: }
1769:
1.25 albertel 1770: sub end_notsolved {
1.159 albertel 1771: return '';
1.24 albertel 1772: }
1773:
1774: sub start_solved {
1.326 albertel 1775: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1776: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1777: $target eq 'tex') {
1778: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1779: if ($gradestatus !~ /^correct/ ||
1780: !&Apache::response::show_answer()) {
1.326 albertel 1781: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 1782: }
1.24 albertel 1783: }
1.159 albertel 1784: return '';
1.24 albertel 1785: }
1786:
1787: sub end_solved {
1.248 albertel 1788: return '';
1789: }
1790:
1791: sub start_problemtype {
1.326 albertel 1792: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 1793: my $result;
1.339 albertel 1794: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1795: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 1796: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1797: if (!defined($mode)) { $mode='show'; }
1798: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1799: my $found=0;
1800: foreach my $type (split(',',$for)) {
1801: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1802: }
1803: if ($mode eq 'show' && !$found) {
1.326 albertel 1804: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1805: }
1806: if ($mode eq 'hide' && $found) {
1.326 albertel 1807: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1808: }
1809: } elsif ($target eq 'edit') {
1810: $result .=&Apache::edit::tag_start($target,$token);
1811: $result.=&Apache::edit::select_arg('Mode:','mode',
1812: [['show','Show'],
1813: ['hide','Hide']]
1814: ,$token);
1815: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1816: [ ['exam','Exam/Quiz Problem'],
1817: ['survey','Survey'],
1818: ['problem','Homework Problem'] ]
1819: ,$token);
1820: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1821: } elsif ($target eq 'modified') {
1822: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1823: $safeeval,'mode','for');
1824: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1825: }
1826: return $result;
1827: }
1828:
1829: sub end_problemtype {
1.159 albertel 1830: return '';
1.24 albertel 1831: }
1.34 albertel 1832:
1833: sub start_startouttext {
1.159 albertel 1834: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1835: my @result=(''.'');
1836: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 1837:
1838: my $nesting =
1839: &Apache::lonxml::set_state('outtext',
1840: &Apache::lonxml::get_state('outtext')+1);
1841: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
1842: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
1843: }
1.159 albertel 1844: return (@result);
1.34 albertel 1845: }
1.159 albertel 1846:
1.34 albertel 1847: sub end_startouttext {
1.326 albertel 1848: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1849: my $result='';
1850: my $text='';
1851:
1852: if ($target eq 'edit') {
1.326 albertel 1853: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.211 albertel 1854: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1855: <td>".&mt('Delete:').
1.159 albertel 1856: &Apache::edit::deletelist($target,$token)
1857: ."</td>
1.42 albertel 1858: <td>".
1.159 albertel 1859: &Apache::edit::insertlist($target,$token).
1.362 albertel 1860: '</td><td align="right" valign="top">' .
1861: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 1862: &Apache::edit::end_row().
1.362 albertel 1863: &Apache::edit::start_spanning_row()."\n".
1.255 www 1864: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 1865: }
1866: if ($target eq 'modified') {
1.219 albertel 1867: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1868: }
1869: if ($target eq 'tex') {
1870: $result .= '\noindent ';
1871: }
1872: return $result;
1.34 albertel 1873: }
1.159 albertel 1874:
1.34 albertel 1875: sub start_endouttext {
1.159 albertel 1876: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1877: my $result='';
1878: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1879: if ($target eq "modified") {
1880: $result='<endouttext />'.
1.377 albertel 1881: &Apache::edit::handle_insertafter('startouttext');
1882: }
1.404 albertel 1883:
1884: my $nesting =
1885: &Apache::lonxml::set_state('outtext',
1886: &Apache::lonxml::get_state('outtext')-1);
1887: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
1888: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
1889: &Apache::lonxml::set_state('outtext', 0);
1890: }
1.159 albertel 1891: return $result;
1.34 albertel 1892: }
1.159 albertel 1893:
1.34 albertel 1894: sub end_endouttext {
1.159 albertel 1895: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1896: my @result=('','');
1897: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1898: return (@result);
1.34 albertel 1899: }
1.159 albertel 1900:
1.45 albertel 1901: sub delete_startouttext {
1.326 albertel 1902: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1903: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 1904: my $text=$$parser['-1']->get_text("/endouttext");
1905: my $ntoken=$$parser['-1']->get_token();
1906: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1907: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1908: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1909: # they did the last time round
1910: &Apache::lonxml::increasedepth($ntoken);
1911: &Apache::lonxml::decreasedepth($ntoken);
1912: return 1;
1.193 www 1913: }
1914:
1915: sub start_simpleeditbutton {
1916: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1917: my $result='';
1.284 albertel 1918: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 1919: ($target eq 'web') &&
1.330 albertel 1920: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 1921: my $url=$env{'request.noversionuri'};
1.193 www 1922: $url=~s/\?.*$//;
1.367 albertel 1923: my ($symb) = &Apache::lonnet::whichuser();
1.194 www 1924: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.356 www 1925: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'.&mt('Edit').'</a> - '.&mt('Note: it can take up to 10 minutes for changes to take effect for all users.').
1.196 www 1926: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1927: }
1928: return $result;
1929: }
1930:
1931: sub end_simpleeditbutton {
1932: return '';
1.45 albertel 1933: }
1.34 albertel 1934:
1.1 albertel 1935: 1;
1936: __END__
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