Annotation of loncom/homework/structuretags.pm, revision 1.424
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.424 ! foxr 4: # $Id: structuretags.pm,v 1.423 2008/06/11 13:52:35 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:
1.133 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 $result;;
1.10 albertel 89: }
90:
91: sub end_tex {
1.44 ng 92: return '';
1.9 albertel 93: }
94:
1.400 albertel 95: sub homework_js {
96: return &Apache::loncommon::resize_textarea_js().
1.416 raeburn 97: &setmode_javascript().
1.400 albertel 98: <<'JS';
99: <script type="text/javascript">
100: function setSubmittedPart (part) {
101: this.document.lonhomework.submitted.value="part_"+part;
102: }
103:
104: function image_response_click (which, e) {
105: init_geometry();
106: if (!e) { e = window.event; } //IE
107: var input_element = document.lonhomework.elements[which];
1.401 albertel 108: var token_element = document.lonhomework.elements[which+'_token'];
1.400 albertel 109: var token = token_element.value;
1.401 albertel 110: var img_element = document.getElementById(which+'_imageresponse');
1.400 albertel 111: var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
112: var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
113: var click = x+':'+y;
114: input_element.value = click;
115: img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
116: }
1.416 raeburn 117:
1.400 albertel 118: </script>
119: JS
120: }
121:
1.416 raeburn 122: sub setmode_javascript {
123: return <<"ENDSCRIPT";
124: <script type="text/javascript">
125: function setmode(form,probmode) {
126: form.problemmode.value = probmode;
127: form.submit();
128: }
129: </script>
130: ENDSCRIPT
131: }
132:
1.48 albertel 133: sub page_start {
1.345 albertel 134: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
135: $extra_head)=@_;
1.159 albertel 136: my %found;
1.207 albertel 137: foreach my $taginside (@$tagstack) {
1.159 albertel 138: foreach my $taglookedfor ('html','body','form') {
139: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
140: }
141: }
142:
1.343 albertel 143: if ($target eq 'tex') {
144: return
145: &Apache::londefdef::start_html($target,$token,$tagstack,
146: $parstack,$parser,$safeeval);
147: }
148:
1.400 albertel 149: $extra_head .= &homework_js();
1.374 albertel 150:
1.344 albertel 151: my %body_args;
152: if (defined($found{'html'})) {
153: $body_args{'skip_phases'}{'head'}=1;
154: } else {
1.343 albertel 155:
1.345 albertel 156: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 157:
1.379 albertel 158: $extra_head .= &Apache::londefdef::generate_css_links();
159:
1.384 albertel 160: if ($env{'request.state'} eq 'construct') {
1.343 albertel 161: $extra_head.=&Apache::edit::js_change_detection().
162: "<script type=\"text/javascript\">\n".
163: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
164: &Apache::loncommon::browser_and_searcher_javascript().
165: "\n</script>\n";
166: }
1.159 albertel 167: }
1.343 albertel 168:
1.344 albertel 169: if (defined($found{'body'})) {
170: $body_args{'skip_phases'}{'body'}=1;
171: } elsif (!defined($found{'body'})
172: && $env{'request.state'} eq 'construct') {
1.343 albertel 173: if ($target eq 'web' || $target eq 'edit') {
1.402 albertel 174: if ($env{'environment.remote'} ne 'off') {
175: $body_args{'only_body'} = 1;
176: }
1.297 albertel 177: }
1.272 albertel 178: } elsif (!defined($found{'body'})) {
1.343 albertel 179: my %add_entries;
1.159 albertel 180: my $background=&Apache::lonxml::get_param('background',$parstack,
181: $safeeval);
1.343 albertel 182: if ($background ne '' ) {
183: $add_entries{'background'} = $background;
184: }
1.344 albertel 185:
1.290 albertel 186: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
187: $safeeval);
1.344 albertel 188: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
189:
190: $body_args{'bgcolor'} = $bgcolor;
191: $body_args{'no_title'} = 1;
192: $body_args{'force_register'} = 1;
193: $body_args{'add_entries'} = \%add_entries;
1.391 albertel 194: if ($env{'environment.remote'} eq 'off'
195: && $env{'request.state'} eq 'construct') {
196: $body_args{'only_body'} = 1;
197: }
1.344 albertel 198: }
1.365 albertel 199: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 200: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
201: \%body_args);
202:
203: if (!defined($found{'body'})
204: && $env{'request.state'} ne 'construct'
205: && ($target eq 'web' || $target eq 'webgrade')) {
206:
1.367 albertel 207: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
1.344 albertel 208: if ($symb eq '' && !$publicuser) {
209: my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
210: $help=&mt("Browsing resource, all submissions are temporary.")."<br />";
211: $page_start .= $help;
1.159 albertel 212: }
1.344 albertel 213: }
214:
1.409 albertel 215: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 216: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 217: }
1.344 albertel 218:
1.159 albertel 219: my $form_tag_start;
220: if (!defined($found{'form'})) {
1.337 albertel 221: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.338 albertel 222: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.327 albertel 223: $form_tag_start.=$uri.'" ';
224: if ($target eq 'edit') {
225: $form_tag_start.=&Apache::edit::form_change_detection();
226: }
1.368 albertel 227: $form_tag_start.='>'."\n";
1.355 albertel 228:
229: my $symb=&Apache::lonnet::symbread();
230: if ($symb =~ /\S/) {
231: $symb=
232: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
233: $form_tag_start.=
1.368 albertel 234: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 235: }
1.159 albertel 236: }
1.343 albertel 237: return ($page_start,$form_tag_start);
1.105 albertel 238: }
239:
1.141 matthew 240: #use Time::HiRes();
1.105 albertel 241: sub get_resource_name {
1.159 albertel 242: my ($parstack,$safeeval)=@_;
1.388 foxr 243: my $name;
1.204 albertel 244: if (defined($Apache::lonhomework::name)) {
1.388 foxr 245: $name = $Apache::lonhomework::name;
246: } else {
247: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 248: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 249: if ($name eq '') {
250: $name=&Apache::lonnet::EXT('resource.title');
251: if ($name eq 'con_lost') { $name = ''; }
252: }
253: if ($name!~/\S+/) {
254: $name=$env{'request.uri'};
255: $name=~s-.*/([^/]+)$-$1-;
256: }
257: # The name has had html tags escaped:
258:
259: $name=~s/</</gs;
260: $name=~s/>/>/gs;
261:
262: $Apache::lonhomework::name=$name;
1.204 albertel 263: }
1.159 albertel 264: return $name;
1.105 albertel 265: }
266:
267: sub setup_rndseed {
1.159 albertel 268: my ($safeeval)=@_;
269: my $rndseed;
1.367 albertel 270: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 271: if ($env{'request.state'} eq "construct"
272: || $symb eq ''
273: || $Apache::lonhomework::type eq 'practice'
274: || $Apache::lonhomework::history{'resource.CODE'}) {
1.316 www 275: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 276: ['rndseed']);
1.284 albertel 277: $rndseed=$env{'form.rndseed'};
1.159 albertel 278: if (!$rndseed) {
1.162 albertel 279: $rndseed=$Apache::lonhomework::history{'rndseed'};
280: if (!$rndseed) {
281: $rndseed=time;
282: }
1.284 albertel 283: $env{'form.rndseed'}=$rndseed;
1.162 albertel 284: }
1.374 albertel 285: if ( ($env{'form.resetdata'} eq &mt('New Problem Variation')
286: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 287: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 288: srand(time);
289: $rndseed=int(rand(2100000000));
1.284 albertel 290: $env{'form.rndseed'}=$rndseed;
291: delete($env{'form.resetdata'});
292: delete($env{'form.newrandomization'});
1.159 albertel 293: }
1.187 albertel 294: if (defined($rndseed) && $rndseed ne int($rndseed)) {
1.307 albertel 295: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
1.187 albertel 296: }
1.247 albertel 297: if ($Apache::lonhomework::history{'resource.CODE'}) {
298: $rndseed=&Apache::lonnet::rndseed();
299: }
1.221 albertel 300: if ($safeeval) {
301: &Apache::lonxml::debug("Setting rndseed to $rndseed");
1.250 albertel 302: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.221 albertel 303: }
1.159 albertel 304: }
305: return $rndseed;
1.105 albertel 306: }
307:
1.268 albertel 308: sub remember_problem_state {
309: return '
1.284 albertel 310: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
311: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
312: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 313: }
314:
1.423 www 315: sub problem_edit_buttons {
316: return '
1.408 albertel 317: <div class="LC_edit_problem_discards">
1.416 raeburn 318: <input type="button" name="submitmode" accesskey="d" value="'.&mt('Discard Edits and View').'" '.
1.423 www 319: ' onclick="javscript:setmode(this.form,'."'discard'".')" />
1.416 raeburn 320: <input '.&Apache::edit::submit_ask_anyway('setmode(this.form,'."'editxml'".')').' type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" />
1.407 albertel 321: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />
1.408 albertel 322: </div>
323: <div class="LC_edit_problem_saves">
1.416 raeburn 324: <input type="submit" name="submitbutton" accesskey="s" value="'.&mt('Save and Edit').'" />
325: <input type="submit" name="submitbutton" accesskey="v" value="'.&mt('Save and View').'" />
1.423 www 326: </div>';
327: }
328:
329: sub problem_edit_header {
330: return '<input type="hidden" name="submitted" value="edit" /><input type="hidden" name="problemmode" value="edit" />'.
331: &Apache::structuretags::remember_problem_state().'
332: <div class="LC_edit_problem_header">
333: <div class="LC_edit_problem_header_title">
334: '.&mt('Problem Editing').&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
335: </div>'.
336: &problem_edit_buttons().'
1.408 albertel 337: <hr class="LC_edit_problem_divide" />
1.409 albertel 338: '.&Apache::lonxml::message_location().'
1.408 albertel 339: </div>
340: '.
1.282 albertel 341: '<table border="0" width="100%"><tr><td bgcolor="#DDDDDD">';
1.105 albertel 342: }
343:
344: sub problem_edit_footer {
1.412 albertel 345: return '</td></tr></table><br />
346: <div class="LC_edit_problem_footer">
1.423 www 347: <hr class="LC_edit_problem_divide" />'.
348: &problem_edit_buttons().'
1.412 albertel 349: <hr class="LC_edit_problem_divide" />
350: </div>
351: '.
352:
1.348 albertel 353: &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields()).
1.342 albertel 354: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 355: }
356:
1.235 albertel 357: sub option {
358: my ($value,$name) = @_;
359: my $result ="<option value='".$value."' ";
1.284 albertel 360: if ($env{'form.'.$name} eq $value) {
1.235 albertel 361: $result.=" selected='on' ";
362: }
363: $result.='>';
364: return $result;
365: }
366:
1.105 albertel 367: sub problem_web_to_edit_header {
1.159 albertel 368: my ($rndseed)=@_;
1.406 albertel 369: my $result .= '<div class="LC_edit_problem_header">';
370:
371: if (!$Apache::lonhomework::parsing_a_task) {
372: $result .=
373: '<div class="LC_edit_problem_header_title">'.
374: &mt('Problem Testing').
375: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
376: '</div>';
377: } else {
378: $result .=
379: '<div class="LC_edit_problem_header_title">'.
380: &mt('Task Testing').
381: '</div>';
382: }
383:
1.315 albertel 384: my $show_all_foils_text =
385: ($Apache::lonhomework::parsing_a_task) ?
386: &mt(' Show All Instances')
387: : &mt(' Show All Foils');
388:
1.406 albertel 389: my $show_all= '<span class="LC_nobreak"><label><input type="checkbox" name="showallfoils" ';
390: if (defined($env{'form.showallfoils'})) { $show_all.='checked="checked"'; }
391: $show_all.= ' />'.$show_all_foils_text.'</label></span>';
392:
393:
1.384 albertel 394:
1.406 albertel 395: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 396: if (!$Apache::lonhomework::parsing_a_task) {
397: $result.="
1.406 albertel 398: <div class='LC_edit_problem_header_row1'>
399: <span class=\"LC_nobreak\">
1.405 albertel 400: ".&mt("Problem Status:")."
1.235 albertel 401: <select name='problemstate'>
1.270 albertel 402: <option value=''></option>
1.235 albertel 403: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
404: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
405: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
406: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
407: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
408: </select>
1.406 albertel 409: </span>
410: <span class=\"LC_nobreak\">
1.405 albertel 411: ".&mt("Problem Type:")."
1.235 albertel 412: <select name='problemtype'>
1.270 albertel 413: <option value=''></option>
1.242 albertel 414: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
415: ".&option('problem','problemtype').&mt("Homework problem")."</option>
416: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.235 albertel 417: </select>
1.406 albertel 418: </span>
419: $show_all
420: </div>
421: <div class='LC_edit_problem_header_row2'>
422: <span class=\"LC_nobreak\">
1.405 albertel 423: ".&mt("Feedback Mode:")."
1.235 albertel 424: <select name='problemstatus'>
425: <option value=''></option>
1.242 albertel 426: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.405 albertel 427: ".&option('no', 'problemstatus').&mt("Don't Show Incorect/Correct Feedback")."</option>
428: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 429: </select>
1.406 albertel 430: </span>
431: ";
432:
1.376 albertel 433: } elsif ($Apache::lonhomework::parsing_a_task) {
434: $result.="
1.406 albertel 435: <div class='LC_edit_problem_header_row1'>
436: <span class=\"LC_nobreak\">
1.405 albertel 437: ".&mt("Problem Status:")."
1.376 albertel 438: <select name='problemstate'>
439: <option value=''></option>
440: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
441: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
442: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
443: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
444: </select>
1.406 albertel 445: </span>
446: $show_all
447: ";
448: }
449: $result.='
450: <span class="LC_nobreak">
451: '.&mt('Apply style file: ').'
452: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
453: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
454: </span>
1.422 www 455: </div>
456: <div class="LC_edit_problem_header_row1">'.
457: &Apache::lonxml::renderingoptions().'
1.406 albertel 458: </div>
459: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
460: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
461: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
462: </div>
463: <hr class="LC_edit_problem_divide" />
464: <div class="LC_edit_problem_header_randomize_row">
465: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
466: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
467: <input type="text" name="rndseed" size="10" value="'.
468: $rndseed.'"
469: onchange="javascript:document.lonhomework.changerandseed.click()" />';
470:
471: if (!$Apache::lonhomework::parsing_a_task) {
472: my $numtoanalyze=$env{'form.numtoanalyze'};
473: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 474: $result .= '<span class="LC_nobreak">'.
475: &mt('[_1] for [_2] versions.',
1.416 raeburn 476: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 477: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
478: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 479: $numtoanalyze.'" size="5" />').
480: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
481: '</span>';
482:
1.313 albertel 483: }
1.406 albertel 484:
485: $result.='
486: </div>
1.408 albertel 487: <div class="LC_edit_problem_header_edit_row">';
1.416 raeburn 488: $result.='<input type="hidden" name="problemmode" value="view" />';
489: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
490: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
491: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
492: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.408 albertel 493: $result.='
494: </div>
1.409 albertel 495: '.&Apache::lonxml::message_location().'
1.406 albertel 496: </div>';
1.159 albertel 497: return $result;
1.48 albertel 498: }
499:
1.65 albertel 500: sub initialize_storage {
1.357 albertel 501: my ($given_symb) = @_;
1.353 albertel 502: undef(%Apache::lonhomework::results);
503: undef(%Apache::lonhomework::history);
1.357 albertel 504: my ($symb,$courseid,$domain,$name) =
1.367 albertel 505: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 506:
507: # anonymous users (CODEd exams) have no data
508: if ($name eq 'anonymous'
509: && !defined($domain)) {
510: return;
511: }
512:
1.333 albertel 513: if ($env{'request.state'} eq 'construct'
514: || $symb eq ''
515: || $Apache::lonhomework::type eq 'practice') {
516:
517: my $namespace = $symb || $env{'request.uri'};
518: if ($env{'form.resetdata'} eq &mt('Reset Submissions') ||
1.374 albertel 519: ($env{'form.resetdata'} eq &mt('New Problem Variation')
520: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 521: $env{'form.newrandomization'} eq &mt('New Randomization')) {
522: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
523: &Apache::lonxml::debug("Attempt reset");
524: }
1.159 albertel 525: %Apache::lonhomework::history=
1.333 albertel 526: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.159 albertel 527: my ($temp)=keys %Apache::lonhomework::history ;
528: &Apache::lonxml::debug("Return message of $temp");
529: } else {
530: %Apache::lonhomework::history=
531: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
532: }
1.353 albertel 533:
1.159 albertel 534: #ignore error conditions
1.67 albertel 535: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 536: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 537: }
538:
539: # -------------------------------------------------------------finalize_storage
540: # Stores away the result has to a student's environment
541: # checks form.grade_ for specific values, other wises stores
542: # to the running users environment
1.285 raeburn 543: # Will increment totals for attempts, students, and corrects
544: # if running user has student role.
1.65 albertel 545: sub finalize_storage {
1.357 albertel 546: my ($given_symb) = @_;
1.159 albertel 547: my $result;
1.289 albertel 548: if (%Apache::lonhomework::results) {
1.323 albertel 549: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
550: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 551: my ($symb,$courseid,$domain,$name) =
1.367 albertel 552: &Apache::lonnet::whichuser($given_symb);
1.333 albertel 553: if ($env{'request.state'} eq 'construct'
554: || $symb eq ''
555: || $Apache::lonhomework::type eq 'practice') {
556: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 557: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 558: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 559: $namespace,'',$domain,$name);
1.159 albertel 560: &Apache::lonxml::debug('Construct Store return message:'.$result);
561: } else {
562: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
563: $symb,$courseid,$domain,$name);
564: &Apache::lonxml::debug('Store return message:'.$result);
1.285 raeburn 565: if ($env{'request.role'} =~/^st/) {
566: &store_aggregates($symb,$courseid);
567: }
1.159 albertel 568: }
1.323 albertel 569: } else {
570: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 571: }
1.159 albertel 572: return $result;
1.65 albertel 573: }
574:
1.285 raeburn 575: # -------------------------------------------------------------store_aggregates
576: # Sends hash of values to be incremented in nohist_resourcetracker.db
577: # for the course. Increments total number of attempts, unique students
578: # and corrects for each part for an instance of a problem, as appropriate.
579: sub store_aggregates {
580: my ($symb,$courseid) = @_;
1.286 albertel 581: my %aggregate;
582: my @parts;
1.288 albertel 583: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
584: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 585: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 586: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 587: push(@parts, $1);
1.285 raeburn 588: }
589: }
1.286 albertel 590: foreach my $part (@parts) {
591: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
592: eq 'APPROX_ANS' ||
593: $Apache::lonhomework::results{'resource.'.$part.'.award'}
594: eq 'EXACT_ANS') {
1.287 albertel 595: $aggregate{$symb."\0".$part."\0correct"} = 1;
1.285 raeburn 596: }
1.286 albertel 597: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1.287 albertel 598: $aggregate{$symb."\0".$part."\0users"} = 1;
1.292 raeburn 599: } else {
1.293 albertel 600: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1.292 raeburn 601: if ($last_reset) {
1.293 albertel 602: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1.292 raeburn 603: $aggregate{$symb."\0".$part."\0users"} = 1;
604: }
605: }
1.285 raeburn 606: }
1.287 albertel 607: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 608: }
1.292 raeburn 609: if (keys (%aggregate) > 0) {
1.289 albertel 610: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 611: $cdomain,$cname);
612: }
613: }
1.289 albertel 614:
1.65 albertel 615: sub checkout_msg {
1.211 albertel 616: my %lt=&Apache::lonlocal::texthash(
617: 'resource'=>'The resource needs to be checked out',
618: '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.',
619: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
620: 'checkout'=>'Check out Exam for Viewing',
621: 'checkout?'=>'Check out Exam?');
1.352 albertel 622: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 623: return (<<ENDCHECKOUT);
1.211 albertel 624: <h2>$lt{'resource'}</h2>
625: <p>$lt{'id_expln'}</p>
626: <font color="red">
627: <p>$lt{'warning'}</p>
1.91 albertel 628: </font>
1.352 albertel 629: <form name="checkout" method="POST" action="$uri">
1.91 albertel 630: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 631: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 632: </form>
633: ENDCHECKOUT
634: }
635:
1.252 albertel 636: sub firstaccess_msg {
1.253 albertel 637: my ($time,$symb)=@_;
1.414 albertel 638: my $result;
639: my @interval=&Apache::lonnet::EXT("resource.0.interval");
640: if ($interval[1] eq 'map') {
641: my ($map)=&Apache::lonnet::decode_symb($symb);
642: my $foldertitle=&Apache::lonnet::gettitle($map);
643:
644: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.418 bisitz 645: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
646: .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
647: ,$foldertitle,$time)."</h2>";
1.414 albertel 648: } elsif ($interval[1] eq 'course') {
649: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.418 bisitz 650: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
651: .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
652: ,$course,$time)."</h2>";
1.414 albertel 653: } else {
654: my $title=&Apache::lonnet::gettitle($symb);
1.418 bisitz 655: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.'
656: .' Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
657: ,$title,$time)."</h2>";
1.414 albertel 658: }
1.352 albertel 659: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 660: my $buttontext = &mt('Show Resource');
661: my $timertext = &mt('Start Timer?');
1.414 albertel 662: $result .= (<<ENDCHECKOUT);
1.352 albertel 663: <form name="markaccess" method="POST" action="$uri">
1.252 albertel 664: <input type="hidden" name="markaccess" value="yes" />
1.418 bisitz 665: <input type="button" name="accessbutton" value="$buttontext" onClick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 666: </form>
667: ENDCHECKOUT
1.414 albertel 668: return $result;
1.252 albertel 669: }
670:
1.204 albertel 671: sub init_problem_globals {
672: my ($type)=@_;
673: #initialize globals
1.308 foxr 674: # For problems, we start out in part 0 (outside a <part> tag).
675: # and part 0 is used to describe the main body of the <problem>
676: #
1.204 albertel 677: if ($type eq 'problem') {
678: $Apache::inputtags::part='0';
679: @Apache::inputtags::partlist=('0');
1.405 albertel 680: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 681: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 682:
1.266 albertel 683: } elsif ($type eq 'library') {
1.204 albertel 684: $Apache::inputtags::part='';
685: @Apache::inputtags::partlist=();
1.405 albertel 686: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 687: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 688:
1.304 albertel 689: } elsif ($type eq 'Task') {
690: $Apache::inputtags::part='0';
691: @Apache::inputtags::partlist=('0');
1.405 albertel 692: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 693: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 694: }
695: @Apache::inputtags::responselist = ();
696: @Apache::inputtags::importlist = ();
697: @Apache::inputtags::previous=();
698: @Apache::inputtags::previous_version=();
699: $Apache::structuretags::printanswer='No';
700: @Apache::structuretags::whileconds=();
701: @Apache::structuretags::whilebody=();
702: @Apache::structuretags::whileline=();
703: $Apache::lonhomework::scantronmode=0;
704: undef($Apache::lonhomework::name);
1.358 albertel 705: undef($Apache::lonhomework::default_type);
706: undef($Apache::lonhomework::type);
1.204 albertel 707: }
708:
709: sub reset_problem_globals {
710: my ($type)=@_;
711: undef(%Apache::lonhomework::history);
712: undef(%Apache::lonhomework::results);
713: undef($Apache::inputtags::part);
1.208 albertel 714: #don't undef this, lonhomework.pm takes care of this, we use this to
715: #detect if we try to do 2 problems in one file
716: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 717: undef($Apache::lonhomework::name);
1.358 albertel 718: undef($Apache::lonhomework::default_type);
719: undef($Apache::lonhomework::type);
720: undef($Apache::lonhomework::scantronmode);
721: undef($Apache::lonhomework::ignore_response_errors);
1.405 albertel 722: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 723: }
724:
1.241 albertel 725: sub set_problem_state {
1.240 albertel 726: my ($part)=@_;
1.284 albertel 727: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 728: $Apache::lonhomework::history{"resource.$part.solved"}=
729: 'correct_by_student';
730: }
731: }
732:
1.241 albertel 733: sub get_problem_status {
734: my ($part)=@_;
1.267 albertel 735: my $problem_status;
1.284 albertel 736: if ($env{'request.state'} eq 'construct' &&
737: defined($env{'form.problemstatus'})) {
738: $problem_status=$env{'form.problemstatus'};
1.267 albertel 739: } else {
740: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
741: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 742: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 743: }
744: return $problem_status;
745: }
746:
1.9 albertel 747: sub start_problem {
1.326 albertel 748: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 749:
1.311 foxr 750: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 751: if (!$Apache::lonxml::metamode) {
752: &Apache::lonxml::startredirection();
753: }
1.311 foxr 754:
1.308 foxr 755: # Problems don't nest and we don't allow more than one <problem> in
756: # a .problem file.
757: #
1.184 albertel 758: if ( $Apache::inputtags::part ne '' ||
759: $Apache::lonhomework::parsing_a_problem) {
760: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 761: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 762: return '';
763: }
1.184 albertel 764:
765: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 766: &init_problem_globals('problem');
1.166 albertel 767:
1.284 albertel 768: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 769: $Apache::lonhomework::scantronmode=1;
770: }
1.161 albertel 771:
1.159 albertel 772: if ($target ne 'analyze') {
1.415 raeburn 773: my $type = &Apache::lonnet::EXT('resource.0.type');
774: $Apache::lonhomework::type=$type;
1.284 albertel 775: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 776: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 777: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 778: }
1.332 albertel 779: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 780: }
1.164 albertel 781: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 782: my $uri=$env{'request.uri'};
1.159 albertel 783: if ($uri=~/\.(\w+)$/) {
784: $Apache::lonhomework::type=$1;
785: &Apache::lonxml::debug("Using type of $1");
786: } else {
787: $Apache::lonhomework::type='problem';
788: &Apache::lonxml::debug("Using default type, problem, :$uri:");
789: }
1.87 albertel 790: }
1.301 albertel 791: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 792:
1.363 albertel 793: &initialize_storage();
1.389 albertel 794: if ($target ne 'analyze'
795: && $env{'request.state'} eq 'construct') {
796: &set_problem_state('0');
797: }
798:
1.366 albertel 799: if ($target eq 'web') {
800: &Apache::lonxml::debug(" grading history ");
801: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
802: }
1.363 albertel 803:
1.159 albertel 804: #added vars to the scripting enviroment
1.213 albertel 805: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 806: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 807: &Apache::run::run($expression,$safeeval);
1.159 albertel 808: my $status;
809: my $accessmsg;
810:
1.343 albertel 811: my $name= &get_resource_name($parstack,$safeeval);
1.350 albertel 812: my ($result,$form_tag_start);
1.354 albertel 813: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
814: || $target eq 'edit') {
1.350 albertel 815: ($result,$form_tag_start) =
816: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
817: $name);
818: }
819:
1.284 albertel 820: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 821:
822: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
823: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
824: $target eq 'tex') {
825: #handle exam checkout
826: if ($Apache::lonhomework::type eq 'exam') {
827: my $token=
828: $Apache::lonhomework::history{"resource.0.outtoken"};
1.284 albertel 829: if (($env{'form.doescheckout'}) && (!$token)) {
1.159 albertel 830: $token=&Apache::lonxml::maketoken();
831: $Apache::lonhomework::history{"resource.0.outtoken"}=
832: $token;
833: }
1.343 albertel 834: $result.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 835: }
1.284 albertel 836: if ($env{'form.markaccess'}) {
1.414 albertel 837: my @interval=&Apache::lonnet::EXT("resource.0.interval");
838: &Apache::lonnet::set_first_access($interval[1]);
1.252 albertel 839: }
1.159 albertel 840: #handle rand seed in construction space
841: my $rndseed=&setup_rndseed($safeeval);
1.367 albertel 842: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 843: if ($env{'request.state'} ne "construct" &&
844: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 845: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
846: $rndseed.'" />'.
847: '<input type="submit" name="resetdata"
1.334 albertel 848: value="'.&mt('New Problem Variation').'" />';
849: if (exists($env{'form.username'})) {
850: $form_tag_start.=
1.164 albertel 851: '<input type="hidden" name="username"
1.284 albertel 852: value="'.$env{'form.username'}.'" />';
1.334 albertel 853: }
1.333 albertel 854: if ($env{'request.role.adv'}) {
1.267 albertel 855: $form_tag_start.=
1.300 albertel 856: ' <label><input type="checkbox" name="showallfoils" ';
1.284 albertel 857: if (defined($env{'form.showallfoils'})) {
1.267 albertel 858: $form_tag_start.='checked="on"';
859: }
1.300 albertel 860: $form_tag_start.= ' />'.&mt(' Show All Foils').
861: '</label>';
1.267 albertel 862: }
1.417 www 863: if ($Apache::lonhomework::type eq 'practice') {
864: $form_tag_start.='<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
865: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').'</span>';
866: }
1.267 albertel 867: $form_tag_start.='<hr />';
1.162 albertel 868: }
1.324 albertel 869:
870: ($status,$accessmsg,my $slot_name,my $slot) =
871: &Apache::lonhomework::check_slot_access('0','problem');
1.159 albertel 872: push (@Apache::inputtags::status,$status);
1.324 albertel 873:
1.159 albertel 874: my $expression='$external::datestatus="'.$status.'";';
875: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
876: &Apache::run::run($expression,$safeeval);
877: &Apache::lonxml::debug("Got $status");
1.324 albertel 878:
1.159 albertel 879: if (( $status eq 'CLOSED' ) ||
880: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 881: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 882: ( $status eq 'BANNED') ||
1.216 albertel 883: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 884: ( $status eq 'NOT_IN_A_SLOT') ||
1.216 albertel 885: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 886: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
887: $style);
1.159 albertel 888: if ( $target eq "web" ) {
1.343 albertel 889: my $msg;
1.159 albertel 890: if ($status eq 'UNAVAILABLE') {
1.245 albertel 891: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.253 albertel 892: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 893: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 894: }
1.216 albertel 895: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 896: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 897: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 898: $msg.=&checkout_msg();
1.252 albertel 899: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 900: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 901: } elsif ($status eq 'NOT_IN_A_SLOT') {
902: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work.");
1.159 albertel 903: }
904: $result.=$msg.'<br />';
905: } elsif ($target eq 'tex') {
1.332 albertel 906: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
907: : '\begin{minipage}{\textwidth}';
908: $result.='\begin{document}\noindent \vskip 1 mm '.
909: $startminipage.'\vskip 0 mm';
1.159 albertel 910: if ($status eq 'UNAVAILABLE') {
1.211 albertel 911: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 912: } else {
1.211 albertel 913: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 914: }
915: }
1.324 albertel 916: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 917: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
918: $style);
1.324 albertel 919: if ($target eq 'web') {
1.375 albertel 920: $result .=
921: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 922: } elsif ($target eq 'grade') {
923: &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
924: 'problem');
925: }
1.159 albertel 926: } elsif ($target eq 'web') {
1.360 albertel 927: if ($status eq 'CAN_ANSWER'
928: && $slot_name ne ''
929: && $Apache::lonhomework::history{'resource.0.checkedin'} eq '') {
930: # unproctored slot access, self checkin
931: &Apache::bridgetask::check_in('problem',undef,undef,
932: $slot_name);
933: }
1.368 albertel 934: $result.="\n $form_tag_start \t".
1.227 albertel 935: '<input type="hidden" name="submitted" value="yes" />';
936: # create a page header and exit
1.284 albertel 937: if ($env{'request.state'} eq "construct") {
938: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.227 albertel 939: }
940: # if we are viewing someone else preserve that info
1.284 albertel 941: if (defined $env{'form.grade_symb'}) {
1.227 albertel 942: foreach my $field ('symb','courseid','domain','username') {
943: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 944: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 945: }
946: }
947: } elsif ($target eq 'tex') {
1.319 foxr 948: $result .= 'INSERTTEXFRONTMATTERHERE';
949:
1.99 sakharuk 950: }
1.159 albertel 951: } elsif ($target eq 'edit') {
1.343 albertel 952: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 953: $Apache::lonxml::warnings_error_header=
954: &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 955: my $temp=&Apache::edit::insertlist($target,$token);
956: $result.=$temp;
957: } elsif ($target eq 'modified') {
958: $result=$token->[4];
959: } else {
960: # page_start returned a starting result, delete it if we don't need it
961: $result = '';
1.99 sakharuk 962: }
1.159 albertel 963: return $result;
1.9 albertel 964: }
965:
966: sub end_problem {
1.159 albertel 967: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 968: my $result;
1.310 foxr 969:
1.321 albertel 970: if (!$Apache::lonxml::metamode) {
971: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 972: $Apache::lonxml::post_evaluate=0;
1.321 albertel 973: }
1.319 foxr 974:
975: if ($target eq 'tex') {
1.321 albertel 976: # Figure out the front matter and replace the
977: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
978: # this in end_problem because whether or not we display due
979: # dates depends on whether due dates have already been
980: # displayed in the problem parts.
981:
1.319 foxr 982: my $frontmatter = '';
983: my $startminipage = '';
984: if (not $env{'form.problem_split'}=~/yes/) {
985: $startminipage = '\begin{minipage}{\textwidth}';
986: }
987: my $id = $Apache::inputtags::part;
988: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
989: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
990: my @packages = split /,/,$packages;
991: my $allow_print_points = 0;
992: foreach my $partial_key (@packages) {
993: if ($partial_key=~m/^part_0$/) {
994: $allow_print_points=1;
995: }
996: }
997: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
998: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
999: if (lc($env{'course.'.$env{'request.course.id'}.
1000: '.disableexampointprint'}) eq 'yes') {
1001: $allow_print_points=0;
1002: }
1003: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1004: 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 ';
1005: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1006: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1007:
1008: # Figure out what the due date is and if we need to print
1009: # it in the problem header. We have been logging the
1010: # last due date written to file.
1011:
1012: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1013: my $duedate = POSIX::strftime("%c",localtime($duetime));
1014: my $temp_file;
1015: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1016:
1017: # Figure out what the last printed due date is or set it
1018: # to the epoch if no duedates have been printed.
1019:
1020: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1021: if (-e $filename) {
1022: $temp_file = Apache::File->new($filename);
1023: my @due_file = <$temp_file>;
1024: $due_file_content = $due_file[$#due_file];
1025: chomp $due_file_content;
1026: }
1027:
1028: # We display the due date iff it is not the same as the last
1029: # duedate in problem header ($due_file_content), and
1030: # none of our parts displayed a duedate.
1031: #
1032: my $parts_with_displayduedate;
1033: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1034: $parts_with_displayduedate =
1035: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1036: } else {
1037: $parts_with_displayduedate = 0;
1038: }
1039: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1040: $temp_file = Apache::File->new('>'.$filename);
1041: print $temp_file "$duetime\n";
1042: if (not $env{'request.symb'} =~ m/\.page_/) {
1043: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1044: $frontmatter .= $begin_doc.
1045: '\textit{Due date: '.$duedate.'} '.$toc_line;
1046: } else {
1047: $frontmatter.= $begin_doc.$toc_line;
1048: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1049: }
1050: } else {
1.381 albertel 1051: $frontmatter .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\'.$startminipage;
1.319 foxr 1052: }
1053: } else {
1054: if (not $env{'request.symb'} =~ m/\.page_/) {
1055: $frontmatter .= $begin_doc.$toc_line;
1056: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1057: } else {
1.381 albertel 1058: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1059: }
1060: }
1061: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1062: }
1063:
1.159 albertel 1064: my $status=$Apache::inputtags::status['-1'];
1065: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1066: $target eq 'tex') {
1.249 albertel 1067: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1068: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1069: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1070: &Apache::inputtags::grade;
1.324 albertel 1071: } elsif ($status eq 'NEEDS_CHECKIN') {
1072: # no need to grade, and don't want to hide data
1.249 albertel 1073: } else {
1074: # move any submission data to .hidden
1075: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1076: }
1.159 albertel 1077: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1078: $Apache::inputtags::part eq '0' &&
1.252 albertel 1079: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 1080: # if part is zero, no <part>s existed, so we need show the current
1081: # grading status
1082: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1083: $result.= $gradestatus;
1084: }
1085: if (
1.284 albertel 1086: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1087: ($target eq 'answer') || ($target eq 'tex')
1088: ) {
1.227 albertel 1089: if ($target ne 'tex' &&
1.284 albertel 1090: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 1091: $result.="</form>";
1.348 albertel 1092: $result.= &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields());
1.159 albertel 1093: }
1094: if ($target eq 'web') {
1.346 albertel 1095: $result.= &Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1096: } elsif ($target eq 'tex') {
1.178 sakharuk 1097: my $endminipage = '';
1.284 albertel 1098: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1099: $endminipage = '\end{minipage}';
1100: }
1.284 albertel 1101: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1102: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1103: } else {
1.262 sakharuk 1104: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1105: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1106: $result .= $endminipage.'\end{document} ';
1107: } else {
1.382 albertel 1108: $result .= $endminipage;
1.262 sakharuk 1109: }
1.159 albertel 1110: }
1111: }
1112: }
1113: if ($target eq 'grade') {
1114: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1115: &finalize_storage();
1116: }
1.284 albertel 1117: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
1118: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 1119: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 1120: # normally we get it from above, but in CSTR
1.172 albertel 1121: # we always show answer mode too.
1.159 albertel 1122: }
1123: } elsif ($target eq 'meta') {
1124: if ($Apache::inputtags::part eq '0') {
1.179 albertel 1125: @Apache::inputtags::response=();
1.159 albertel 1126: $result=&Apache::response::mandatory_part_meta;
1127: }
1.215 albertel 1128: $result.=&Apache::response::meta_part_order();
1.258 albertel 1129: $result.=&Apache::response::meta_response_order();
1.159 albertel 1130: } elsif ($target eq 'edit') {
1131: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 1132: $result .= &problem_edit_footer();
1.320 albertel 1133: } elsif ($target eq 'modified') {
1134: $result .= $token->[2];
1.159 albertel 1135: }
1.155 albertel 1136:
1.284 albertel 1137: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 1138: &Apache::inputtags::check_for_duplicate_ids();
1139: }
1.204 albertel 1140:
1141: &reset_problem_globals('problem');
1.159 albertel 1142:
1143: return $result;
1.48 albertel 1144: }
1145:
1.108 albertel 1146:
1.48 albertel 1147: sub start_library {
1.159 albertel 1148: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 1149: my ($result,$form_tag_start);
1.371 albertel 1150: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 1151: &init_problem_globals('library');
1152: $Apache::lonhomework::type='problem';
1153: }
1.159 albertel 1154: if ($target eq 'edit') {
1.343 albertel 1155: ($result,$form_tag_start)=
1156: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1157: 'Edit');
1158: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 1159: my $temp=&Apache::edit::insertlist($target,$token);
1160: $result.=$temp;
1161: } elsif ($target eq 'modified') {
1162: $result=$token->[4];
1.340 albertel 1163: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 1164: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 1165: && $env{'request.state'} eq "construct" ) {
1.159 albertel 1166: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 1167: ($result,$form_tag_start)=
1168: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1169: $name);
1.159 albertel 1170: my $rndseed=&setup_rndseed($safeeval);
1.343 albertel 1171: $result.=" \n $form_tag_start".
1.159 albertel 1172: '<input type="hidden" name="submitted" value="yes" />';
1173: $result.=&problem_web_to_edit_header($rndseed);
1174: }
1175: return $result;
1.48 albertel 1176: }
1177:
1178: sub end_library {
1.159 albertel 1179: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1180: my $result='';
1181: if ($target eq 'edit') {
1182: $result=&problem_edit_footer();
1.371 albertel 1183: } elsif ($target eq 'web'
1184: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1185: && $env{'request.state'} eq "construct") {
1.349 albertel 1186: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1187: }
1.371 albertel 1188: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1189: &reset_problem_globals('library');
1190: }
1.159 albertel 1191: return $result;
1.197 www 1192: }
1193:
1194: sub start_definetag {
1.326 albertel 1195: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 1196:
1197: my $result;
1198:
1199: my $name = $token->[2]->{'name'};
1.326 albertel 1200: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 1201: if ($target eq 'web') {
1202: if ($name=~/^\//) {
1203: $result=
1204: '<br /><table class="LC_sty_end"><tr><th>'.
1205: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1206: } else {
1207: $result=
1208: '<br /><table class="LC_sty_begin"><tr><th>'.
1209: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1210: }
1211: $skip = &HTML::Entities::encode($skip, '<>&"');
1212: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 1213: }
1214: return $result;
1215: }
1216:
1217: sub end_definetag {
1218: return '';
1.1 albertel 1219: }
1220:
1221: sub start_block {
1.201 albertel 1222: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 1223:
1224: my $result;
1.1 albertel 1225:
1.339 albertel 1226: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1227: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 1228: my $code = $token->[2]->{'condition'};
1.385 albertel 1229: if (defined($code) && $code ne '') {
1.137 albertel 1230: if (!$Apache::lonxml::default_homework_loaded) {
1231: &Apache::lonxml::default_homework_load($safeeval);
1232: }
1.131 albertel 1233: $result = &Apache::run::run($code,$safeeval);
1234: &Apache::lonxml::debug("block :$code: returned :$result:");
1235: } else {
1236: $result='1';
1237: }
1238: if ( ! $result ) {
1.201 albertel 1239: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 1240: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1241: }
1242: $result='';
1243: } elsif ($target eq 'edit') {
1244: $result .=&Apache::edit::tag_start($target,$token);
1245: $result .=&Apache::edit::text_arg('Test Condition:','condition',
1246: $token,40);
1247: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1248: } elsif ($target eq 'modified') {
1249: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1250: $safeeval,'condition');
1251: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 1252: }
1.131 albertel 1253: return $result;
1.1 albertel 1254: }
1255:
1256: sub end_block {
1.167 www 1257: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1258: my $result;
1259: if ($target eq "edit") {
1260: $result.= &Apache::edit::tag_end($target,$token,'');
1261: }
1262: return $result;
1263: }
1264:
1265: sub start_languageblock {
1.201 albertel 1266: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 1267:
1268: my $result;
1269:
1.339 albertel 1270: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1271: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 1272: my $include = $token->[2]->{'include'};
1273: my $exclude = $token->[2]->{'exclude'};
1.398 www 1274: my @preferred_languages=&Apache::loncommon::preferred_languages();
1.394 www 1275: # This should not even happen, since we should at least have the server language
1.398 www 1276: if (!$preferred_languages[0]) { $preferred_languages[0]='en'; }
1277: # Now loop over all languages in order of preference
1278: foreach my $preferred_language (@preferred_languages) {
1.394 www 1279: # If the languageblock has no arguments, show the contents
1.399 www 1280: $result=1;
1281: my $found=0;
1.394 www 1282: # Do we have an include argument?
1.398 www 1283: if ($include) {
1.394 www 1284: # If include is specified, by default, don't render the block
1.399 www 1285: $result=0;
1.398 www 1286: foreach my $included_language (split(/\,/,$include)) {
1.394 www 1287: # ... but if my preferred language is included, render it
1.398 www 1288: if ($included_language eq $preferred_language) {
1.399 www 1289: $result=1;
1290: $found=1;
1.398 www 1291: }
1292: }
1293: }
1.394 www 1294: # Do we have an exclude argument?
1.398 www 1295: if ($exclude) {
1.399 www 1296: $result=1;
1.398 www 1297: foreach my $excluded_language (split(/\,/,$exclude)) {
1298: if ($excluded_language eq $preferred_language) {
1.399 www 1299: $result=0;
1300: $found=1;
1.398 www 1301: }
1302: }
1303: }
1.399 www 1304: if ($found) { last; }
1.398 www 1305: }
1.201 albertel 1306: if ( ! $result ) {
1307: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
1308: $style);
1309: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1310: }
1311: $result='';
1.167 www 1312: } elsif ($target eq 'edit') {
1313: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1314: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 1315: $token,40);
1.211 albertel 1316: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 1317: $token,40);
1318: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1319: } elsif ($target eq 'modified') {
1320: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 1321: $safeeval,'include',
1322: 'exclude');
1.167 www 1323: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1324: }
1325: return $result;
1326: }
1327:
1328: sub end_languageblock {
1.170 www 1329: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1330: my $result;
1.201 albertel 1331: if ($target eq "edit") {
1.170 www 1332: $result.= &Apache::edit::tag_end($target,$token,'');
1333: }
1334: return $result;
1335: }
1336:
1.397 albertel 1337: {
1338: my %available_texts;
1339: sub start_translated {
1340: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1341: &Apache::lonxml::register('Apache::structuretags',('lang'));
1342: undef(%available_texts);
1343: }
1344:
1345: sub end_translated {
1346: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1347: my $result;
1348: #show the translation on viewable targets
1349: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
1350: # or non-viewable targets, if it's embedded in something that
1351: # wants the output
1352: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
1353: && &Apache::lonxml::in_redirection() ) ) {
1354: my @possibilities = keys(%available_texts);
1355: my $which =
1356: &Apache::loncommon::languages(\@possibilities) || 'default';
1357: $result = $available_texts{$which};
1358: }
1359: undef(%available_texts);
1360: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
1361: return $result;
1362: }
1363:
1364:
1365: sub start_lang {
1366: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1367: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1368: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1369: &Apache::lonxml::startredirection();
1370: }
1371: return '';
1372: }
1373:
1374: sub end_lang {
1375: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1376: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1377: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1378: my $result = &Apache::lonxml::endredirection();
1379: my $which = &Apache::lonxml::get_param('which',$parstack,
1380: $safeeval);
1381: $available_texts{$which} = $result;
1382: }
1383: return '';
1384: }
1385: }
1386:
1.170 www 1387: sub start_instructorcomment {
1.201 albertel 1388: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 1389:
1390: my $result;
1391:
1.339 albertel 1392: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1393: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.284 albertel 1394: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
1395: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 1396: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
1397: $parser,$style);
1.170 www 1398: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1399: }
1400: $result='';
1401: } elsif ($target eq 'edit') {
1402: $result .=&Apache::edit::tag_start($target,$token);
1403: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1404: }
1405: return $result;
1406: }
1407:
1408: sub end_instructorcomment {
1.159 albertel 1409: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1410: my $result;
1411: if ($target eq "edit") {
1412: $result.= &Apache::edit::tag_end($target,$token,'');
1413: }
1414: return $result;
1.4 tsai 1415: }
1416:
1417: sub start_while {
1.326 albertel 1418: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1419:
1.160 albertel 1420: my $result;
1.339 albertel 1421: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1422: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1423: my $code = $token->[2]->{'condition'};
1.4 tsai 1424:
1.160 albertel 1425: push( @Apache::structuretags::whileconds, $code);
1426: if (!$Apache::lonxml::default_homework_loaded) {
1427: &Apache::lonxml::default_homework_load($safeeval);
1428: }
1429: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 1430: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 1431: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 1432: push( @Apache::structuretags::whileline, $token->[5]);
1433: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 1434: if ( $result ) {
1435: &Apache::lonxml::newparser($parser,\$bodytext);
1436: }
1437: } elsif ($target eq 'edit') {
1438: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1439: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 1440: $token,40);
1441: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1442: } elsif ($target eq 'modified') {
1443: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1444: $safeeval,'condition');
1445: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 1446: }
1.160 albertel 1447: return $result;
1.4 tsai 1448: }
1449:
1450: sub end_while {
1.159 albertel 1451: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1452: my $result;
1453:
1.339 albertel 1454: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1455: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1456: my $code = pop(@Apache::structuretags::whileconds);
1457: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1458: my $line = pop(@Apache::structuretags::whileline);
1459: my $return = &Apache::run::run($code,$safeeval);
1460: my $starttime=time;
1461: my $error=0;
1462: while ($return) {
1463: if (time-$starttime >
1464: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 1465: $return = 0; $error=1; next;
1.161 albertel 1466: }
1467: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 1468: if ($target eq 'grade' || $target eq 'answer' ||
1469: $target eq 'analyze') {
1470: # grade/answer/analyze should produce no output but if we
1471: # are redirecting, the redirecter should know what to do
1472: # with the output
1473: if (!$Apache::lonxml::redirection) { undef($result); }
1474: }
1.161 albertel 1475: $return = &Apache::run::run($code,$safeeval);
1476: }
1477: if ($error) {
1.270 albertel 1478: &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 1479: }
1480: } elsif ($target eq "edit") {
1481: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1482: }
1.160 albertel 1483: return $result;
1.1 albertel 1484: }
1.6 tsai 1485:
1.160 albertel 1486: # <randomlist show="1">
1.6 tsai 1487: # <tag1>..</tag1>
1488: # <tag2>..</tag2>
1489: # <tag3>..</tag3>
1.160 albertel 1490: # ...
1.6 tsai 1491: # </randomlist>
1492: sub start_randomlist {
1.326 albertel 1493: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1494: my $result;
1.339 albertel 1495: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1496: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 1497: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 1498: my $b_parser= HTML::LCParser->new(\$body);
1499: $b_parser->xml_mode(1);
1500: $b_parser->marked_sections(1);
1.159 albertel 1501: my $b_tok;
1502: my @randomlist;
1503: my $list_item;
1504: while($b_tok = $b_parser->get_token() ) {
1505: if($b_tok->[0] eq 'S') { # start tag
1506: # get content of the tag until matching end tag
1507: # get all text upto the matching tag
1508: # and push the content into @randomlist
1509: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1510: $b_parser);
1511: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1512: push(@randomlist,$list_item);
1513: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1514: # $list_item</b>";
1515: }
1516: if($b_tok->[0] eq 'T') { # text
1517: # what to do with text in between tags?
1518: # print "<b>TEXT $b_tok->[1]</b><br />";
1519: }
1520: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1521: # print "<b>END-TAG $b_tok->[1]</b><br />";
1522: # }
1523: }
1.303 albertel 1524: if (@randomlist) {
1525: my @idx_arr = (0 .. $#randomlist);
1526: &Apache::structuretags::shuffle(\@idx_arr);
1527: my $bodytext = '';
1528: my $show=$#randomlist;
1529: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1530: $showarg--;
1531: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1532: for(0 .. $show) {
1533: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1534: }
1535: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 1536: }
1537: } elsif ($target eq 'edit' ) {
1538: $result .=&Apache::edit::tag_start($target,$token);
1539: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1540: $token,5);
1541: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1542: } elsif ($target eq 'modified' ) {
1543: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1544: $safeeval,'show');
1545: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1546: }
1547: return $result;
1.7 tsai 1548: }
1549:
1550: sub shuffle {
1551: my $a=shift;
1552: my $i;
1.303 albertel 1553: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 1554: &Apache::response::pushrandomnumber();
1.159 albertel 1555: for($i=@$a;--$i;) {
1556: my $j=int(&Math::Random::random_uniform() * ($i+1));
1557: next if $i == $j;
1558: @$a[$i,$j] = @$a[$j,$i];
1559: }
1.251 albertel 1560: &Apache::response::poprandomnumber();
1.7 tsai 1561: }
1.6 tsai 1562: }
1563:
1564: sub end_randomlist {
1.159 albertel 1565: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1566: my $result;
1567: if ($target eq 'edit' ) {
1568: $result=&Apache::edit::tag_end($target,$token,
1569: 'End Randomly Parsed Block');
1570: }
1571: return $result;
1.6 tsai 1572: }
1573:
1.283 albertel 1574: sub ordered_show_check {
1575: my $last_part=$Apache::inputtags::partlist[-2];
1576: my $in_order=
1577: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1578: my $in_order_show=1;
1579: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1580: $in_order_show=&Apache::response::check_status($last_part);
1581: }
1582: return $in_order_show;
1583: }
1584:
1.11 albertel 1585: sub start_part {
1.326 albertel 1586: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 1587: if (!$Apache::lonxml::metamode) {
1588: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
1589: # duedates.
1590: }
1.159 albertel 1591: my $result='';
1.386 albertel 1592: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 1593: $Apache::inputtags::part=$id;
1.177 albertel 1594: push(@Apache::inputtags::partlist,$id);
1595: @Apache::inputtags::response=();
1.159 albertel 1596: @Apache::inputtags::previous=();
1597: @Apache::inputtags::previous_version=();
1.405 albertel 1598: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 1599: &Apache::response::reset_params();
1600:
1.159 albertel 1601: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1602: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1603: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1604: my $in_order_show=&ordered_show_check();
1.214 albertel 1605: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1606: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1607: &Apache::run::run($expression,$safeeval);
1.159 albertel 1608:
1609: if ($target eq 'meta') {
1.224 www 1610: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1611: return &Apache::response::mandatory_part_meta.
1612: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1613: } elsif ($target eq 'web' || $target eq 'grade' ||
1614: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1615: if ($hidden || !$in_order_show) {
1.326 albertel 1616: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 1617: } else {
1618: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1619: push (@Apache::inputtags::status,$status);
1620: my $expression='$external::datestatus="'.$status.'";';
1621: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1622: &Apache::run::run($expression,$safeeval);
1.284 albertel 1623: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1624: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1625: }
1.216 albertel 1626: if (( $status eq 'CLOSED' ) ||
1627: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1628: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1629: ( $status eq 'BANNED') ||
1630: ( $status eq 'UNAVAILABLE') ||
1631: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 1632: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
1633: $style);
1.159 albertel 1634: if ( $target eq "web" ) {
1.211 albertel 1635: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1636: } elsif ( $target eq 'tex' ) {
1.284 albertel 1637: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1638: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1639: } else {
1.211 albertel 1640: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1641: }
1.159 albertel 1642: }
1643: } else {
1644: if ($target eq 'tex') {
1.284 albertel 1645: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1646: if ($$tagstack[-2] eq 'td') {
1.388 foxr 1647: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 1648: } else {
1649: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1650: }
1.195 sakharuk 1651: }
1.159 albertel 1652: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1653: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1654: my @allkeys = split /,/,$allkeys;
1655: my $allow_print_points = 0;
1656: foreach my $partial_key (@allkeys) {
1.230 albertel 1657: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1658: if ($1 ne '0') {$allow_print_points=1;}
1659: }
1660: }
1.275 albertel 1661: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1662: if (defined($maxtries) && $maxtries < 0) {
1663: $allow_print_points=0;
1664: }
1.302 albertel 1665: if (lc($env{'course.'.$env{'request.course.id'}.
1666: '.disableexampointprint'}) eq 'yes') {
1667: $allow_print_points=0;
1668: }
1.222 sakharuk 1669: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1670: } elsif ($target eq 'web') {
1.356 www 1671: $result.='<a name="'.&escape($Apache::inputtags::part).'" />';
1.159 albertel 1672: }
1673: }
1674: }
1675: } elsif ($target eq 'edit') {
1676: $result.=&Apache::edit::tag_start($target,$token);
1677: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1678: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1679: ' '.
1680: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1681: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1682: } elsif ($target eq 'modified') {
1683: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1684: $safeeval,'id','display');
1.159 albertel 1685: if ($constructtag) {
1.225 albertel 1686: #limiting ids to only letters numbers, and space
1.224 www 1687: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1688: $result = &Apache::edit::rebuild_tag($token);
1689: }
1690: }
1691: return $result;
1.11 albertel 1692: }
1693:
1694: sub end_part {
1.159 albertel 1695: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1696: &Apache::lonxml::debug("in end_part $target ");
1697: my $status=$Apache::inputtags::status['-1'];
1698: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1699: my $in_order_show=&ordered_show_check();
1.321 albertel 1700: my $result;
1701: if (!$Apache::lonxml::metamode) {
1702: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 1703: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1704: }
1.312 albertel 1705: if ($target eq 'grade') {
1.249 albertel 1706: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1707: !$hidden && $in_order_show) {
1.311 foxr 1708: $result.=&Apache::inputtags::grade;
1.249 albertel 1709: } else {
1710: # move any submission data to .hidden
1711: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1712: }
1.283 albertel 1713: } elsif (($target eq 'web' || $target eq 'tex') &&
1714: !$hidden && $in_order_show) {
1.159 albertel 1715: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1716: $target);
1.212 albertel 1717: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1718: $gradestatus='';
1719: }
1.311 foxr 1720: $result.=$gradestatus;
1.265 sakharuk 1721: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1722: } elsif ($target eq 'edit') {
1.311 foxr 1723: $result.=&Apache::edit::end_table();
1.322 albertel 1724: } elsif ($target eq 'modified') {
1725: $result .= $token->[2];
1.159 albertel 1726: }
1727: pop @Apache::inputtags::status;
1728: $Apache::inputtags::part='';
1.295 albertel 1729: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 1730: return $result;
1.11 albertel 1731: }
1.1 albertel 1732:
1.25 albertel 1733: sub start_preduedate {
1.326 albertel 1734: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 1735: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1736: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 1737: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 1738: if (!$Apache::lonhomework::scantronmode &&
1739: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1740: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1741: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 1742: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 1743: }
1.24 albertel 1744: }
1.159 albertel 1745: return '';
1.24 albertel 1746: }
1747:
1.25 albertel 1748: sub end_preduedate {
1.159 albertel 1749: return '';
1.24 albertel 1750: }
1751:
1.369 foxr 1752: # In all the modes where <postanswerdate> text is
1753: # displayable, all we do is eat up the text between the start/stop
1754: # tags if the conditions are not right to display it.
1.25 albertel 1755: sub start_postanswerdate {
1.326 albertel 1756: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 1757: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
1758: &Apache::lonnet::allowed('pav',
1759: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 1760: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 1761: $target eq 'tex' ) {
1.300 albertel 1762: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 1763: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
1764: (($target eq 'tex') && !$pav)) {
1.326 albertel 1765: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 1766: }
1767: }
1768: return '';
1.24 albertel 1769: }
1770:
1.25 albertel 1771: sub end_postanswerdate {
1.159 albertel 1772: return '';
1.24 albertel 1773: }
1774:
1.25 albertel 1775: sub start_notsolved {
1.326 albertel 1776: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1777: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 1778: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 1779: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1780: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1781: if ($gradestatus =~ /^correct/ &&
1782: &Apache::response::show_answer()) {
1.159 albertel 1783: &Apache::lonxml::debug("skipping");
1.326 albertel 1784: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 1785: }
1.24 albertel 1786: }
1.159 albertel 1787: return '';
1.24 albertel 1788: }
1789:
1.25 albertel 1790: sub end_notsolved {
1.159 albertel 1791: return '';
1.24 albertel 1792: }
1793:
1794: sub start_solved {
1.326 albertel 1795: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1796: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1797: $target eq 'tex') {
1798: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1799: if ($gradestatus !~ /^correct/ ||
1800: !&Apache::response::show_answer()) {
1.326 albertel 1801: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 1802: }
1.24 albertel 1803: }
1.159 albertel 1804: return '';
1.24 albertel 1805: }
1806:
1807: sub end_solved {
1.248 albertel 1808: return '';
1809: }
1810:
1811: sub start_problemtype {
1.326 albertel 1812: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 1813: my $result;
1.339 albertel 1814: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1815: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 1816: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1817: if (!defined($mode)) { $mode='show'; }
1818: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1819: my $found=0;
1820: foreach my $type (split(',',$for)) {
1821: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1822: }
1823: if ($mode eq 'show' && !$found) {
1.326 albertel 1824: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1825: }
1826: if ($mode eq 'hide' && $found) {
1.326 albertel 1827: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1828: }
1829: } elsif ($target eq 'edit') {
1830: $result .=&Apache::edit::tag_start($target,$token);
1831: $result.=&Apache::edit::select_arg('Mode:','mode',
1832: [['show','Show'],
1833: ['hide','Hide']]
1834: ,$token);
1835: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1836: [ ['exam','Exam/Quiz Problem'],
1837: ['survey','Survey'],
1838: ['problem','Homework Problem'] ]
1839: ,$token);
1840: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1841: } elsif ($target eq 'modified') {
1842: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1843: $safeeval,'mode','for');
1844: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1845: }
1846: return $result;
1847: }
1848:
1849: sub end_problemtype {
1.159 albertel 1850: return '';
1.24 albertel 1851: }
1.34 albertel 1852:
1853: sub start_startouttext {
1.159 albertel 1854: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1855: my @result=(''.'');
1856: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 1857:
1858: my $nesting =
1859: &Apache::lonxml::set_state('outtext',
1860: &Apache::lonxml::get_state('outtext')+1);
1861: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
1862: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
1863: }
1.159 albertel 1864: return (@result);
1.34 albertel 1865: }
1.159 albertel 1866:
1.34 albertel 1867: sub end_startouttext {
1.326 albertel 1868: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1869: my $result='';
1870: my $text='';
1871:
1872: if ($target eq 'edit') {
1.424 ! foxr 1873: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 1874: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.211 albertel 1875: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1876: <td>".&mt('Delete:').
1.159 albertel 1877: &Apache::edit::deletelist($target,$token)
1878: ."</td>
1.42 albertel 1879: <td>".
1.159 albertel 1880: &Apache::edit::insertlist($target,$token).
1.424 ! foxr 1881: '</td><td>'.
! 1882: &Apache::lonhtmlcommon::dragmath($areaid).'</td>'.
! 1883: '<td align="right" valign="top">' .
1.362 albertel 1884: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 1885: &Apache::edit::end_row().
1.362 albertel 1886: &Apache::edit::start_spanning_row()."\n".
1.255 www 1887: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 1888: }
1889: if ($target eq 'modified') {
1.219 albertel 1890: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1891: }
1892: if ($target eq 'tex') {
1893: $result .= '\noindent ';
1894: }
1895: return $result;
1.34 albertel 1896: }
1.159 albertel 1897:
1.34 albertel 1898: sub start_endouttext {
1.159 albertel 1899: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1900: my $result='';
1901: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1902: if ($target eq "modified") {
1903: $result='<endouttext />'.
1.377 albertel 1904: &Apache::edit::handle_insertafter('startouttext');
1905: }
1.404 albertel 1906:
1907: my $nesting =
1908: &Apache::lonxml::set_state('outtext',
1909: &Apache::lonxml::get_state('outtext')-1);
1910: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
1911: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
1912: &Apache::lonxml::set_state('outtext', 0);
1913: }
1.159 albertel 1914: return $result;
1.34 albertel 1915: }
1.159 albertel 1916:
1.34 albertel 1917: sub end_endouttext {
1.159 albertel 1918: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1919: my @result=('','');
1920: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1921: return (@result);
1.34 albertel 1922: }
1.159 albertel 1923:
1.45 albertel 1924: sub delete_startouttext {
1.326 albertel 1925: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1926: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 1927: my $text=$$parser['-1']->get_text("/endouttext");
1928: my $ntoken=$$parser['-1']->get_token();
1929: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1930: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1931: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1932: # they did the last time round
1933: &Apache::lonxml::increasedepth($ntoken);
1934: &Apache::lonxml::decreasedepth($ntoken);
1935: return 1;
1.193 www 1936: }
1937:
1938: sub start_simpleeditbutton {
1939: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1940: my $result='';
1.284 albertel 1941: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 1942: ($target eq 'web') &&
1.330 albertel 1943: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 1944: my $url=$env{'request.noversionuri'};
1.193 www 1945: $url=~s/\?.*$//;
1.367 albertel 1946: my ($symb) = &Apache::lonnet::whichuser();
1.194 www 1947: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.356 www 1948: '<a href="'.$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 1949: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1950: }
1951: return $result;
1952: }
1953:
1954: sub end_simpleeditbutton {
1955: return '';
1.45 albertel 1956: }
1.34 albertel 1957:
1.1 albertel 1958: 1;
1959: __END__
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