Annotation of loncom/homework/structuretags.pm, revision 1.421
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.421 ! www 4: # $Id: structuretags.pm,v 1.420 2008/05/27 19:48:55 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:
1.105 albertel 315: sub problem_edit_header {
1.268 albertel 316: return '<input type="hidden" name="submitted" value="edit" />'.
317: &Apache::structuretags::remember_problem_state().'
1.408 albertel 318: <div class="LC_edit_problem_header">
319: <div class="LC_edit_problem_header_title">
320: '.&mt('Problem Editing').&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
321: </div>
322: <div class="LC_edit_problem_discards">
1.416 raeburn 323: <input type="hidden" name="problemmode" value="edit" />
324: <input type="button" name="submitmode" accesskey="d" value="'.&mt('Discard Edits and View').'" '.
325: ' onclick="javscript:setmode(this.form,'."'discard.'".')" />
326: <input '.&Apache::edit::submit_ask_anyway('setmode(this.form,'."'editxml'".')').' type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" />
1.407 albertel 327: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />
1.408 albertel 328: </div>
329: <div class="LC_edit_problem_saves">
1.416 raeburn 330: <input type="submit" name="submitbutton" accesskey="s" value="'.&mt('Save and Edit').'" />
331: <input type="submit" name="submitbutton" accesskey="v" value="'.&mt('Save and View').'" />
1.408 albertel 332: </div>
333: <hr class="LC_edit_problem_divide" />
1.409 albertel 334: '.&Apache::lonxml::message_location().'
1.408 albertel 335: </div>
336: '.
1.282 albertel 337: '<table border="0" width="100%"><tr><td bgcolor="#DDDDDD">';
1.105 albertel 338: }
339:
340: sub problem_edit_footer {
1.412 albertel 341: return '</td></tr></table><br />
342: <div class="LC_edit_problem_footer">
343: <hr class="LC_edit_problem_divide" />
344: <div class="LC_edit_problem_discards">
1.416 raeburn 345: <input type="button" name="submitmode" accesskey="d" value="'.&mt('Discard Edits and View').'" '.
346: 'onclick=javascript:setmode(this.form,'."'discard'".')" />
347: <input '.&Apache::edit::submit_ask_anyway('setmode(this.form,'."'editxml'".')').' type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" />
1.412 albertel 348: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />
349: </div>
350: <div class="LC_edit_problem_saves">
1.416 raeburn 351: <input type="submit" name="submitbutton" value="'.&mt('Save and Edit').'" />
352: <input type="submit" name="submitbutton" value="'.&mt('Save and View').'" />
1.412 albertel 353: </div>
354: <hr class="LC_edit_problem_divide" />
355: </div>
356: '.
357:
1.348 albertel 358: &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields()).
1.342 albertel 359: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 360: }
361:
1.235 albertel 362: sub option {
363: my ($value,$name) = @_;
364: my $result ="<option value='".$value."' ";
1.284 albertel 365: if ($env{'form.'.$name} eq $value) {
1.235 albertel 366: $result.=" selected='on' ";
367: }
368: $result.='>';
369: return $result;
370: }
371:
1.105 albertel 372: sub problem_web_to_edit_header {
1.159 albertel 373: my ($rndseed)=@_;
1.406 albertel 374: my $result .= '<div class="LC_edit_problem_header">';
375:
376: if (!$Apache::lonhomework::parsing_a_task) {
377: $result .=
378: '<div class="LC_edit_problem_header_title">'.
379: &mt('Problem Testing').
380: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
381: '</div>';
382: } else {
383: $result .=
384: '<div class="LC_edit_problem_header_title">'.
385: &mt('Task Testing').
386: '</div>';
387: }
388:
1.315 albertel 389: my $show_all_foils_text =
390: ($Apache::lonhomework::parsing_a_task) ?
391: &mt(' Show All Instances')
392: : &mt(' Show All Foils');
393:
1.406 albertel 394: my $show_all= '<span class="LC_nobreak"><label><input type="checkbox" name="showallfoils" ';
395: if (defined($env{'form.showallfoils'})) { $show_all.='checked="checked"'; }
396: $show_all.= ' />'.$show_all_foils_text.'</label></span>';
397:
398:
1.384 albertel 399:
1.406 albertel 400: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 401: if (!$Apache::lonhomework::parsing_a_task) {
402: $result.="
1.406 albertel 403: <div class='LC_edit_problem_header_row1'>
404: <span class=\"LC_nobreak\">
1.405 albertel 405: ".&mt("Problem Status:")."
1.235 albertel 406: <select name='problemstate'>
1.270 albertel 407: <option value=''></option>
1.235 albertel 408: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
409: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
410: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
411: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
412: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
413: </select>
1.406 albertel 414: </span>
415: <span class=\"LC_nobreak\">
1.405 albertel 416: ".&mt("Problem Type:")."
1.235 albertel 417: <select name='problemtype'>
1.270 albertel 418: <option value=''></option>
1.242 albertel 419: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
420: ".&option('problem','problemtype').&mt("Homework problem")."</option>
421: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.235 albertel 422: </select>
1.406 albertel 423: </span>
424: $show_all
425: </div>
426: <div class='LC_edit_problem_header_row2'>
427: <span class=\"LC_nobreak\">
1.405 albertel 428: ".&mt("Feedback Mode:")."
1.235 albertel 429: <select name='problemstatus'>
430: <option value=''></option>
1.242 albertel 431: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.405 albertel 432: ".&option('no', 'problemstatus').&mt("Don't Show Incorect/Correct Feedback")."</option>
433: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 434: </select>
1.406 albertel 435: </span>
436: ";
437:
1.376 albertel 438: } elsif ($Apache::lonhomework::parsing_a_task) {
439: $result.="
1.406 albertel 440: <div class='LC_edit_problem_header_row1'>
441: <span class=\"LC_nobreak\">
1.405 albertel 442: ".&mt("Problem Status:")."
1.376 albertel 443: <select name='problemstate'>
444: <option value=''></option>
445: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
446: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
447: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
448: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
449: </select>
1.406 albertel 450: </span>
451: $show_all
452: ";
453: }
1.420 www 454: my %langchoices=('' => '');
455: foreach (&Apache::loncommon::languageids()) {
456: if (&Apache::loncommon::supportedlanguagecode($_)) {
457: $langchoices{&Apache::loncommon::supportedlanguagecode($_)}
458: = &Apache::loncommon::plainlanguagedescription($_);
459: }
460: }
1.406 albertel 461: $result.='
462: <span class="LC_nobreak">
463: '.&mt('Apply style file: ').'
464: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
465: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
466: </span>
1.420 www 467: </div><div class="LC_edit_problem_header_row1">
468: <span class="LC_nobreak">'.
469: &mt('Language: ').
1.421 ! www 470: &Apache::loncommon::select_form($env{'form.languages'},'languages',
1.420 www 471: %langchoices).'
472: </span>
1.421 ! www 473: <span class="LC_nobreak">'.
! 474: &mt('Math Rendering: ').
! 475: &Apache::loncommon::select_form($env{'form.texengine'},'texengine',
! 476: ('' => '',
! 477: 'tth' => 'tth',
! 478: 'jsMath' => 'jsMath',
! 479: 'mimetex' => 'mimetex')).'
! 480: </span>
1.406 albertel 481: </div>
482: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
483: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
484: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
485: </div>
486: <hr class="LC_edit_problem_divide" />
487: <div class="LC_edit_problem_header_randomize_row">
488: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
489: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
490: <input type="text" name="rndseed" size="10" value="'.
491: $rndseed.'"
492: onchange="javascript:document.lonhomework.changerandseed.click()" />';
493:
494: if (!$Apache::lonhomework::parsing_a_task) {
495: my $numtoanalyze=$env{'form.numtoanalyze'};
496: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 497: $result .= '<span class="LC_nobreak">'.
498: &mt('[_1] for [_2] versions.',
1.416 raeburn 499: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 500: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
501: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 502: $numtoanalyze.'" size="5" />').
503: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
504: '</span>';
505:
1.313 albertel 506: }
1.406 albertel 507:
508: $result.='
509: </div>
1.408 albertel 510: <div class="LC_edit_problem_header_edit_row">';
1.416 raeburn 511: $result.='<input type="hidden" name="problemmode" value="view" />';
512: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
513: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
514: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
515: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.408 albertel 516: $result.='
517: </div>
1.409 albertel 518: '.&Apache::lonxml::message_location().'
1.406 albertel 519: </div>';
1.159 albertel 520: return $result;
1.48 albertel 521: }
522:
1.65 albertel 523: sub initialize_storage {
1.357 albertel 524: my ($given_symb) = @_;
1.353 albertel 525: undef(%Apache::lonhomework::results);
526: undef(%Apache::lonhomework::history);
1.357 albertel 527: my ($symb,$courseid,$domain,$name) =
1.367 albertel 528: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 529:
530: # anonymous users (CODEd exams) have no data
531: if ($name eq 'anonymous'
532: && !defined($domain)) {
533: return;
534: }
535:
1.333 albertel 536: if ($env{'request.state'} eq 'construct'
537: || $symb eq ''
538: || $Apache::lonhomework::type eq 'practice') {
539:
540: my $namespace = $symb || $env{'request.uri'};
541: if ($env{'form.resetdata'} eq &mt('Reset Submissions') ||
1.374 albertel 542: ($env{'form.resetdata'} eq &mt('New Problem Variation')
543: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 544: $env{'form.newrandomization'} eq &mt('New Randomization')) {
545: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
546: &Apache::lonxml::debug("Attempt reset");
547: }
1.159 albertel 548: %Apache::lonhomework::history=
1.333 albertel 549: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.159 albertel 550: my ($temp)=keys %Apache::lonhomework::history ;
551: &Apache::lonxml::debug("Return message of $temp");
552: } else {
553: %Apache::lonhomework::history=
554: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
555: }
1.353 albertel 556:
1.159 albertel 557: #ignore error conditions
1.67 albertel 558: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 559: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 560: }
561:
562: # -------------------------------------------------------------finalize_storage
563: # Stores away the result has to a student's environment
564: # checks form.grade_ for specific values, other wises stores
565: # to the running users environment
1.285 raeburn 566: # Will increment totals for attempts, students, and corrects
567: # if running user has student role.
1.65 albertel 568: sub finalize_storage {
1.357 albertel 569: my ($given_symb) = @_;
1.159 albertel 570: my $result;
1.289 albertel 571: if (%Apache::lonhomework::results) {
1.323 albertel 572: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
573: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 574: my ($symb,$courseid,$domain,$name) =
1.367 albertel 575: &Apache::lonnet::whichuser($given_symb);
1.333 albertel 576: if ($env{'request.state'} eq 'construct'
577: || $symb eq ''
578: || $Apache::lonhomework::type eq 'practice') {
579: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 580: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 581: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 582: $namespace,'',$domain,$name);
1.159 albertel 583: &Apache::lonxml::debug('Construct Store return message:'.$result);
584: } else {
585: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
586: $symb,$courseid,$domain,$name);
587: &Apache::lonxml::debug('Store return message:'.$result);
1.285 raeburn 588: if ($env{'request.role'} =~/^st/) {
589: &store_aggregates($symb,$courseid);
590: }
1.159 albertel 591: }
1.323 albertel 592: } else {
593: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 594: }
1.159 albertel 595: return $result;
1.65 albertel 596: }
597:
1.285 raeburn 598: # -------------------------------------------------------------store_aggregates
599: # Sends hash of values to be incremented in nohist_resourcetracker.db
600: # for the course. Increments total number of attempts, unique students
601: # and corrects for each part for an instance of a problem, as appropriate.
602: sub store_aggregates {
603: my ($symb,$courseid) = @_;
1.286 albertel 604: my %aggregate;
605: my @parts;
1.288 albertel 606: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
607: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 608: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 609: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 610: push(@parts, $1);
1.285 raeburn 611: }
612: }
1.286 albertel 613: foreach my $part (@parts) {
614: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
615: eq 'APPROX_ANS' ||
616: $Apache::lonhomework::results{'resource.'.$part.'.award'}
617: eq 'EXACT_ANS') {
1.287 albertel 618: $aggregate{$symb."\0".$part."\0correct"} = 1;
1.285 raeburn 619: }
1.286 albertel 620: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1.287 albertel 621: $aggregate{$symb."\0".$part."\0users"} = 1;
1.292 raeburn 622: } else {
1.293 albertel 623: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1.292 raeburn 624: if ($last_reset) {
1.293 albertel 625: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1.292 raeburn 626: $aggregate{$symb."\0".$part."\0users"} = 1;
627: }
628: }
1.285 raeburn 629: }
1.287 albertel 630: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 631: }
1.292 raeburn 632: if (keys (%aggregate) > 0) {
1.289 albertel 633: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 634: $cdomain,$cname);
635: }
636: }
1.289 albertel 637:
1.65 albertel 638: sub checkout_msg {
1.211 albertel 639: my %lt=&Apache::lonlocal::texthash(
640: 'resource'=>'The resource needs to be checked out',
641: '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.',
642: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
643: 'checkout'=>'Check out Exam for Viewing',
644: 'checkout?'=>'Check out Exam?');
1.352 albertel 645: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 646: return (<<ENDCHECKOUT);
1.211 albertel 647: <h2>$lt{'resource'}</h2>
648: <p>$lt{'id_expln'}</p>
649: <font color="red">
650: <p>$lt{'warning'}</p>
1.91 albertel 651: </font>
1.352 albertel 652: <form name="checkout" method="POST" action="$uri">
1.91 albertel 653: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 654: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 655: </form>
656: ENDCHECKOUT
657: }
658:
1.252 albertel 659: sub firstaccess_msg {
1.253 albertel 660: my ($time,$symb)=@_;
1.414 albertel 661: my $result;
662: my @interval=&Apache::lonnet::EXT("resource.0.interval");
663: if ($interval[1] eq 'map') {
664: my ($map)=&Apache::lonnet::decode_symb($symb);
665: my $foldertitle=&Apache::lonnet::gettitle($map);
666:
667: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.418 bisitz 668: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
669: .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
670: ,$foldertitle,$time)."</h2>";
1.414 albertel 671: } elsif ($interval[1] eq 'course') {
672: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.418 bisitz 673: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
674: .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
675: ,$course,$time)."</h2>";
1.414 albertel 676: } else {
677: my $title=&Apache::lonnet::gettitle($symb);
1.418 bisitz 678: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.'
679: .' Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
680: ,$title,$time)."</h2>";
1.414 albertel 681: }
1.352 albertel 682: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 683: my $buttontext = &mt('Show Resource');
684: my $timertext = &mt('Start Timer?');
1.414 albertel 685: $result .= (<<ENDCHECKOUT);
1.352 albertel 686: <form name="markaccess" method="POST" action="$uri">
1.252 albertel 687: <input type="hidden" name="markaccess" value="yes" />
1.418 bisitz 688: <input type="button" name="accessbutton" value="$buttontext" onClick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 689: </form>
690: ENDCHECKOUT
1.414 albertel 691: return $result;
1.252 albertel 692: }
693:
1.204 albertel 694: sub init_problem_globals {
695: my ($type)=@_;
696: #initialize globals
1.308 foxr 697: # For problems, we start out in part 0 (outside a <part> tag).
698: # and part 0 is used to describe the main body of the <problem>
699: #
1.204 albertel 700: if ($type eq 'problem') {
701: $Apache::inputtags::part='0';
702: @Apache::inputtags::partlist=('0');
1.405 albertel 703: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 704: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 705:
1.266 albertel 706: } elsif ($type eq 'library') {
1.204 albertel 707: $Apache::inputtags::part='';
708: @Apache::inputtags::partlist=();
1.405 albertel 709: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 710: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 711:
1.304 albertel 712: } elsif ($type eq 'Task') {
713: $Apache::inputtags::part='0';
714: @Apache::inputtags::partlist=('0');
1.405 albertel 715: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 716: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 717: }
718: @Apache::inputtags::responselist = ();
719: @Apache::inputtags::importlist = ();
720: @Apache::inputtags::previous=();
721: @Apache::inputtags::previous_version=();
722: $Apache::structuretags::printanswer='No';
723: @Apache::structuretags::whileconds=();
724: @Apache::structuretags::whilebody=();
725: @Apache::structuretags::whileline=();
726: $Apache::lonhomework::scantronmode=0;
727: undef($Apache::lonhomework::name);
1.358 albertel 728: undef($Apache::lonhomework::default_type);
729: undef($Apache::lonhomework::type);
1.204 albertel 730: }
731:
732: sub reset_problem_globals {
733: my ($type)=@_;
734: undef(%Apache::lonhomework::history);
735: undef(%Apache::lonhomework::results);
736: undef($Apache::inputtags::part);
1.208 albertel 737: #don't undef this, lonhomework.pm takes care of this, we use this to
738: #detect if we try to do 2 problems in one file
739: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 740: undef($Apache::lonhomework::name);
1.358 albertel 741: undef($Apache::lonhomework::default_type);
742: undef($Apache::lonhomework::type);
743: undef($Apache::lonhomework::scantronmode);
744: undef($Apache::lonhomework::ignore_response_errors);
1.405 albertel 745: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 746: }
747:
1.241 albertel 748: sub set_problem_state {
1.240 albertel 749: my ($part)=@_;
1.284 albertel 750: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 751: $Apache::lonhomework::history{"resource.$part.solved"}=
752: 'correct_by_student';
753: }
754: }
755:
1.241 albertel 756: sub get_problem_status {
757: my ($part)=@_;
1.267 albertel 758: my $problem_status;
1.284 albertel 759: if ($env{'request.state'} eq 'construct' &&
760: defined($env{'form.problemstatus'})) {
761: $problem_status=$env{'form.problemstatus'};
1.267 albertel 762: } else {
763: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
764: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 765: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 766: }
767: return $problem_status;
768: }
769:
1.9 albertel 770: sub start_problem {
1.326 albertel 771: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 772:
1.311 foxr 773: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 774: if (!$Apache::lonxml::metamode) {
775: &Apache::lonxml::startredirection();
776: }
1.311 foxr 777:
1.308 foxr 778: # Problems don't nest and we don't allow more than one <problem> in
779: # a .problem file.
780: #
1.184 albertel 781: if ( $Apache::inputtags::part ne '' ||
782: $Apache::lonhomework::parsing_a_problem) {
783: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 784: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 785: return '';
786: }
1.184 albertel 787:
788: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 789: &init_problem_globals('problem');
1.166 albertel 790:
1.284 albertel 791: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 792: $Apache::lonhomework::scantronmode=1;
793: }
1.161 albertel 794:
1.159 albertel 795: if ($target ne 'analyze') {
1.415 raeburn 796: my $type = &Apache::lonnet::EXT('resource.0.type');
797: $Apache::lonhomework::type=$type;
1.284 albertel 798: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 799: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 800: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 801: }
1.332 albertel 802: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 803: }
1.164 albertel 804: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 805: my $uri=$env{'request.uri'};
1.159 albertel 806: if ($uri=~/\.(\w+)$/) {
807: $Apache::lonhomework::type=$1;
808: &Apache::lonxml::debug("Using type of $1");
809: } else {
810: $Apache::lonhomework::type='problem';
811: &Apache::lonxml::debug("Using default type, problem, :$uri:");
812: }
1.87 albertel 813: }
1.301 albertel 814: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 815:
1.363 albertel 816: &initialize_storage();
1.389 albertel 817: if ($target ne 'analyze'
818: && $env{'request.state'} eq 'construct') {
819: &set_problem_state('0');
820: }
821:
1.366 albertel 822: if ($target eq 'web') {
823: &Apache::lonxml::debug(" grading history ");
824: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
825: }
1.363 albertel 826:
1.159 albertel 827: #added vars to the scripting enviroment
1.213 albertel 828: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 829: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 830: &Apache::run::run($expression,$safeeval);
1.159 albertel 831: my $status;
832: my $accessmsg;
833:
1.343 albertel 834: my $name= &get_resource_name($parstack,$safeeval);
1.350 albertel 835: my ($result,$form_tag_start);
1.354 albertel 836: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
837: || $target eq 'edit') {
1.350 albertel 838: ($result,$form_tag_start) =
839: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
840: $name);
841: }
842:
1.284 albertel 843: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 844:
845: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
846: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
847: $target eq 'tex') {
848: #handle exam checkout
849: if ($Apache::lonhomework::type eq 'exam') {
850: my $token=
851: $Apache::lonhomework::history{"resource.0.outtoken"};
1.284 albertel 852: if (($env{'form.doescheckout'}) && (!$token)) {
1.159 albertel 853: $token=&Apache::lonxml::maketoken();
854: $Apache::lonhomework::history{"resource.0.outtoken"}=
855: $token;
856: }
1.343 albertel 857: $result.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 858: }
1.284 albertel 859: if ($env{'form.markaccess'}) {
1.414 albertel 860: my @interval=&Apache::lonnet::EXT("resource.0.interval");
861: &Apache::lonnet::set_first_access($interval[1]);
1.252 albertel 862: }
1.159 albertel 863: #handle rand seed in construction space
864: my $rndseed=&setup_rndseed($safeeval);
1.367 albertel 865: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 866: if ($env{'request.state'} ne "construct" &&
867: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 868: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
869: $rndseed.'" />'.
870: '<input type="submit" name="resetdata"
1.334 albertel 871: value="'.&mt('New Problem Variation').'" />';
872: if (exists($env{'form.username'})) {
873: $form_tag_start.=
1.164 albertel 874: '<input type="hidden" name="username"
1.284 albertel 875: value="'.$env{'form.username'}.'" />';
1.334 albertel 876: }
1.333 albertel 877: if ($env{'request.role.adv'}) {
1.267 albertel 878: $form_tag_start.=
1.300 albertel 879: ' <label><input type="checkbox" name="showallfoils" ';
1.284 albertel 880: if (defined($env{'form.showallfoils'})) {
1.267 albertel 881: $form_tag_start.='checked="on"';
882: }
1.300 albertel 883: $form_tag_start.= ' />'.&mt(' Show All Foils').
884: '</label>';
1.267 albertel 885: }
1.417 www 886: if ($Apache::lonhomework::type eq 'practice') {
887: $form_tag_start.='<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
888: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').'</span>';
889: }
1.267 albertel 890: $form_tag_start.='<hr />';
1.162 albertel 891: }
1.324 albertel 892:
893: ($status,$accessmsg,my $slot_name,my $slot) =
894: &Apache::lonhomework::check_slot_access('0','problem');
1.159 albertel 895: push (@Apache::inputtags::status,$status);
1.324 albertel 896:
1.159 albertel 897: my $expression='$external::datestatus="'.$status.'";';
898: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
899: &Apache::run::run($expression,$safeeval);
900: &Apache::lonxml::debug("Got $status");
1.324 albertel 901:
1.159 albertel 902: if (( $status eq 'CLOSED' ) ||
903: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 904: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 905: ( $status eq 'BANNED') ||
1.216 albertel 906: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 907: ( $status eq 'NOT_IN_A_SLOT') ||
1.216 albertel 908: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 909: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
910: $style);
1.159 albertel 911: if ( $target eq "web" ) {
1.343 albertel 912: my $msg;
1.159 albertel 913: if ($status eq 'UNAVAILABLE') {
1.245 albertel 914: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.253 albertel 915: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 916: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 917: }
1.216 albertel 918: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 919: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 920: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 921: $msg.=&checkout_msg();
1.252 albertel 922: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 923: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 924: } elsif ($status eq 'NOT_IN_A_SLOT') {
925: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work.");
1.159 albertel 926: }
927: $result.=$msg.'<br />';
928: } elsif ($target eq 'tex') {
1.332 albertel 929: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
930: : '\begin{minipage}{\textwidth}';
931: $result.='\begin{document}\noindent \vskip 1 mm '.
932: $startminipage.'\vskip 0 mm';
1.159 albertel 933: if ($status eq 'UNAVAILABLE') {
1.211 albertel 934: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 935: } else {
1.211 albertel 936: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 937: }
938: }
1.324 albertel 939: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 940: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
941: $style);
1.324 albertel 942: if ($target eq 'web') {
1.375 albertel 943: $result .=
944: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 945: } elsif ($target eq 'grade') {
946: &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
947: 'problem');
948: }
1.159 albertel 949: } elsif ($target eq 'web') {
1.360 albertel 950: if ($status eq 'CAN_ANSWER'
951: && $slot_name ne ''
952: && $Apache::lonhomework::history{'resource.0.checkedin'} eq '') {
953: # unproctored slot access, self checkin
954: &Apache::bridgetask::check_in('problem',undef,undef,
955: $slot_name);
956: }
1.368 albertel 957: $result.="\n $form_tag_start \t".
1.227 albertel 958: '<input type="hidden" name="submitted" value="yes" />';
959: # create a page header and exit
1.284 albertel 960: if ($env{'request.state'} eq "construct") {
961: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.227 albertel 962: }
963: # if we are viewing someone else preserve that info
1.284 albertel 964: if (defined $env{'form.grade_symb'}) {
1.227 albertel 965: foreach my $field ('symb','courseid','domain','username') {
966: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 967: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 968: }
969: }
970: } elsif ($target eq 'tex') {
1.319 foxr 971: $result .= 'INSERTTEXFRONTMATTERHERE';
972:
1.99 sakharuk 973: }
1.159 albertel 974: } elsif ($target eq 'edit') {
1.343 albertel 975: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 976: $Apache::lonxml::warnings_error_header=
977: &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 978: my $temp=&Apache::edit::insertlist($target,$token);
979: $result.=$temp;
980: } elsif ($target eq 'modified') {
981: $result=$token->[4];
982: } else {
983: # page_start returned a starting result, delete it if we don't need it
984: $result = '';
1.99 sakharuk 985: }
1.159 albertel 986: return $result;
1.9 albertel 987: }
988:
989: sub end_problem {
1.159 albertel 990: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 991: my $result;
1.310 foxr 992:
1.321 albertel 993: if (!$Apache::lonxml::metamode) {
994: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 995: $Apache::lonxml::post_evaluate=0;
1.321 albertel 996: }
1.319 foxr 997:
998: if ($target eq 'tex') {
1.321 albertel 999: # Figure out the front matter and replace the
1000: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1001: # this in end_problem because whether or not we display due
1002: # dates depends on whether due dates have already been
1003: # displayed in the problem parts.
1004:
1.319 foxr 1005: my $frontmatter = '';
1006: my $startminipage = '';
1007: if (not $env{'form.problem_split'}=~/yes/) {
1008: $startminipage = '\begin{minipage}{\textwidth}';
1009: }
1010: my $id = $Apache::inputtags::part;
1011: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1012: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1013: my @packages = split /,/,$packages;
1014: my $allow_print_points = 0;
1015: foreach my $partial_key (@packages) {
1016: if ($partial_key=~m/^part_0$/) {
1017: $allow_print_points=1;
1018: }
1019: }
1020: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1021: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1022: if (lc($env{'course.'.$env{'request.course.id'}.
1023: '.disableexampointprint'}) eq 'yes') {
1024: $allow_print_points=0;
1025: }
1026: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1027: 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 ';
1028: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1029: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1030:
1031: # Figure out what the due date is and if we need to print
1032: # it in the problem header. We have been logging the
1033: # last due date written to file.
1034:
1035: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1036: my $duedate = POSIX::strftime("%c",localtime($duetime));
1037: my $temp_file;
1038: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1039:
1040: # Figure out what the last printed due date is or set it
1041: # to the epoch if no duedates have been printed.
1042:
1043: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1044: if (-e $filename) {
1045: $temp_file = Apache::File->new($filename);
1046: my @due_file = <$temp_file>;
1047: $due_file_content = $due_file[$#due_file];
1048: chomp $due_file_content;
1049: }
1050:
1051: # We display the due date iff it is not the same as the last
1052: # duedate in problem header ($due_file_content), and
1053: # none of our parts displayed a duedate.
1054: #
1055: my $parts_with_displayduedate;
1056: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1057: $parts_with_displayduedate =
1058: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1059: } else {
1060: $parts_with_displayduedate = 0;
1061: }
1062: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1063: $temp_file = Apache::File->new('>'.$filename);
1064: print $temp_file "$duetime\n";
1065: if (not $env{'request.symb'} =~ m/\.page_/) {
1066: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1067: $frontmatter .= $begin_doc.
1068: '\textit{Due date: '.$duedate.'} '.$toc_line;
1069: } else {
1070: $frontmatter.= $begin_doc.$toc_line;
1071: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1072: }
1073: } else {
1.381 albertel 1074: $frontmatter .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\'.$startminipage;
1.319 foxr 1075: }
1076: } else {
1077: if (not $env{'request.symb'} =~ m/\.page_/) {
1078: $frontmatter .= $begin_doc.$toc_line;
1079: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1080: } else {
1.381 albertel 1081: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1082: }
1083: }
1084: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1085: }
1086:
1.159 albertel 1087: my $status=$Apache::inputtags::status['-1'];
1088: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1089: $target eq 'tex') {
1.249 albertel 1090: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1091: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1092: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1093: &Apache::inputtags::grade;
1.324 albertel 1094: } elsif ($status eq 'NEEDS_CHECKIN') {
1095: # no need to grade, and don't want to hide data
1.249 albertel 1096: } else {
1097: # move any submission data to .hidden
1098: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1099: }
1.159 albertel 1100: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1101: $Apache::inputtags::part eq '0' &&
1.252 albertel 1102: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 1103: # if part is zero, no <part>s existed, so we need show the current
1104: # grading status
1105: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1106: $result.= $gradestatus;
1107: }
1108: if (
1.284 albertel 1109: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1110: ($target eq 'answer') || ($target eq 'tex')
1111: ) {
1.227 albertel 1112: if ($target ne 'tex' &&
1.284 albertel 1113: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 1114: $result.="</form>";
1.348 albertel 1115: $result.= &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields());
1.159 albertel 1116: }
1117: if ($target eq 'web') {
1.346 albertel 1118: $result.= &Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1119: } elsif ($target eq 'tex') {
1.178 sakharuk 1120: my $endminipage = '';
1.284 albertel 1121: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1122: $endminipage = '\end{minipage}';
1123: }
1.284 albertel 1124: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1125: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1126: } else {
1.262 sakharuk 1127: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1128: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1129: $result .= $endminipage.'\end{document} ';
1130: } else {
1.382 albertel 1131: $result .= $endminipage;
1.262 sakharuk 1132: }
1.159 albertel 1133: }
1134: }
1135: }
1136: if ($target eq 'grade') {
1137: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1138: &finalize_storage();
1139: }
1.284 albertel 1140: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
1141: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 1142: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 1143: # normally we get it from above, but in CSTR
1.172 albertel 1144: # we always show answer mode too.
1.159 albertel 1145: }
1146: } elsif ($target eq 'meta') {
1147: if ($Apache::inputtags::part eq '0') {
1.179 albertel 1148: @Apache::inputtags::response=();
1.159 albertel 1149: $result=&Apache::response::mandatory_part_meta;
1150: }
1.215 albertel 1151: $result.=&Apache::response::meta_part_order();
1.258 albertel 1152: $result.=&Apache::response::meta_response_order();
1.159 albertel 1153: } elsif ($target eq 'edit') {
1154: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 1155: $result .= &problem_edit_footer();
1.320 albertel 1156: } elsif ($target eq 'modified') {
1157: $result .= $token->[2];
1.159 albertel 1158: }
1.155 albertel 1159:
1.284 albertel 1160: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 1161: &Apache::inputtags::check_for_duplicate_ids();
1162: }
1.204 albertel 1163:
1164: &reset_problem_globals('problem');
1.159 albertel 1165:
1166: return $result;
1.48 albertel 1167: }
1168:
1.108 albertel 1169:
1.48 albertel 1170: sub start_library {
1.159 albertel 1171: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 1172: my ($result,$form_tag_start);
1.371 albertel 1173: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 1174: &init_problem_globals('library');
1175: $Apache::lonhomework::type='problem';
1176: }
1.159 albertel 1177: if ($target eq 'edit') {
1.343 albertel 1178: ($result,$form_tag_start)=
1179: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1180: 'Edit');
1181: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 1182: my $temp=&Apache::edit::insertlist($target,$token);
1183: $result.=$temp;
1184: } elsif ($target eq 'modified') {
1185: $result=$token->[4];
1.340 albertel 1186: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 1187: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 1188: && $env{'request.state'} eq "construct" ) {
1.159 albertel 1189: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 1190: ($result,$form_tag_start)=
1191: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1192: $name);
1.159 albertel 1193: my $rndseed=&setup_rndseed($safeeval);
1.343 albertel 1194: $result.=" \n $form_tag_start".
1.159 albertel 1195: '<input type="hidden" name="submitted" value="yes" />';
1196: $result.=&problem_web_to_edit_header($rndseed);
1197: }
1198: return $result;
1.48 albertel 1199: }
1200:
1201: sub end_library {
1.159 albertel 1202: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1203: my $result='';
1204: if ($target eq 'edit') {
1205: $result=&problem_edit_footer();
1.371 albertel 1206: } elsif ($target eq 'web'
1207: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1208: && $env{'request.state'} eq "construct") {
1.349 albertel 1209: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1210: }
1.371 albertel 1211: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1212: &reset_problem_globals('library');
1213: }
1.159 albertel 1214: return $result;
1.197 www 1215: }
1216:
1217: sub start_definetag {
1.326 albertel 1218: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 1219:
1220: my $result;
1221:
1222: my $name = $token->[2]->{'name'};
1.326 albertel 1223: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 1224: if ($target eq 'web') {
1225: if ($name=~/^\//) {
1226: $result=
1227: '<br /><table class="LC_sty_end"><tr><th>'.
1228: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1229: } else {
1230: $result=
1231: '<br /><table class="LC_sty_begin"><tr><th>'.
1232: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1233: }
1234: $skip = &HTML::Entities::encode($skip, '<>&"');
1235: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 1236: }
1237: return $result;
1238: }
1239:
1240: sub end_definetag {
1241: return '';
1.1 albertel 1242: }
1243:
1244: sub start_block {
1.201 albertel 1245: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 1246:
1247: my $result;
1.1 albertel 1248:
1.339 albertel 1249: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1250: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 1251: my $code = $token->[2]->{'condition'};
1.385 albertel 1252: if (defined($code) && $code ne '') {
1.137 albertel 1253: if (!$Apache::lonxml::default_homework_loaded) {
1254: &Apache::lonxml::default_homework_load($safeeval);
1255: }
1.131 albertel 1256: $result = &Apache::run::run($code,$safeeval);
1257: &Apache::lonxml::debug("block :$code: returned :$result:");
1258: } else {
1259: $result='1';
1260: }
1261: if ( ! $result ) {
1.201 albertel 1262: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 1263: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1264: }
1265: $result='';
1266: } elsif ($target eq 'edit') {
1267: $result .=&Apache::edit::tag_start($target,$token);
1268: $result .=&Apache::edit::text_arg('Test Condition:','condition',
1269: $token,40);
1270: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1271: } elsif ($target eq 'modified') {
1272: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1273: $safeeval,'condition');
1274: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 1275: }
1.131 albertel 1276: return $result;
1.1 albertel 1277: }
1278:
1279: sub end_block {
1.167 www 1280: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1281: my $result;
1282: if ($target eq "edit") {
1283: $result.= &Apache::edit::tag_end($target,$token,'');
1284: }
1285: return $result;
1286: }
1287:
1288: sub start_languageblock {
1.201 albertel 1289: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 1290:
1291: my $result;
1292:
1.339 albertel 1293: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1294: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 1295: my $include = $token->[2]->{'include'};
1296: my $exclude = $token->[2]->{'exclude'};
1.398 www 1297: my @preferred_languages=&Apache::loncommon::preferred_languages();
1.394 www 1298: # This should not even happen, since we should at least have the server language
1.398 www 1299: if (!$preferred_languages[0]) { $preferred_languages[0]='en'; }
1300: # Now loop over all languages in order of preference
1301: foreach my $preferred_language (@preferred_languages) {
1.394 www 1302: # If the languageblock has no arguments, show the contents
1.399 www 1303: $result=1;
1304: my $found=0;
1.394 www 1305: # Do we have an include argument?
1.398 www 1306: if ($include) {
1.394 www 1307: # If include is specified, by default, don't render the block
1.399 www 1308: $result=0;
1.398 www 1309: foreach my $included_language (split(/\,/,$include)) {
1.394 www 1310: # ... but if my preferred language is included, render it
1.398 www 1311: if ($included_language eq $preferred_language) {
1.399 www 1312: $result=1;
1313: $found=1;
1.398 www 1314: }
1315: }
1316: }
1.394 www 1317: # Do we have an exclude argument?
1.398 www 1318: if ($exclude) {
1.399 www 1319: $result=1;
1.398 www 1320: foreach my $excluded_language (split(/\,/,$exclude)) {
1321: if ($excluded_language eq $preferred_language) {
1.399 www 1322: $result=0;
1323: $found=1;
1.398 www 1324: }
1325: }
1326: }
1.399 www 1327: if ($found) { last; }
1.398 www 1328: }
1.201 albertel 1329: if ( ! $result ) {
1330: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
1331: $style);
1332: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1333: }
1334: $result='';
1.167 www 1335: } elsif ($target eq 'edit') {
1336: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1337: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 1338: $token,40);
1.211 albertel 1339: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 1340: $token,40);
1341: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1342: } elsif ($target eq 'modified') {
1343: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 1344: $safeeval,'include',
1345: 'exclude');
1.167 www 1346: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1347: }
1348: return $result;
1349: }
1350:
1351: sub end_languageblock {
1.170 www 1352: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1353: my $result;
1.201 albertel 1354: if ($target eq "edit") {
1.170 www 1355: $result.= &Apache::edit::tag_end($target,$token,'');
1356: }
1357: return $result;
1358: }
1359:
1.397 albertel 1360: {
1361: my %available_texts;
1362: sub start_translated {
1363: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1364: &Apache::lonxml::register('Apache::structuretags',('lang'));
1365: undef(%available_texts);
1366: }
1367:
1368: sub end_translated {
1369: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1370: my $result;
1371: #show the translation on viewable targets
1372: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
1373: # or non-viewable targets, if it's embedded in something that
1374: # wants the output
1375: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
1376: && &Apache::lonxml::in_redirection() ) ) {
1377: my @possibilities = keys(%available_texts);
1378: my $which =
1379: &Apache::loncommon::languages(\@possibilities) || 'default';
1380: $result = $available_texts{$which};
1381: }
1382: undef(%available_texts);
1383: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
1384: return $result;
1385: }
1386:
1387:
1388: sub start_lang {
1389: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1390: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1391: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1392: &Apache::lonxml::startredirection();
1393: }
1394: return '';
1395: }
1396:
1397: sub end_lang {
1398: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1399: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1400: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1401: my $result = &Apache::lonxml::endredirection();
1402: my $which = &Apache::lonxml::get_param('which',$parstack,
1403: $safeeval);
1404: $available_texts{$which} = $result;
1405: }
1406: return '';
1407: }
1408: }
1409:
1.170 www 1410: sub start_instructorcomment {
1.201 albertel 1411: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 1412:
1413: my $result;
1414:
1.339 albertel 1415: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1416: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.284 albertel 1417: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
1418: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 1419: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
1420: $parser,$style);
1.170 www 1421: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1422: }
1423: $result='';
1424: } elsif ($target eq 'edit') {
1425: $result .=&Apache::edit::tag_start($target,$token);
1426: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1427: }
1428: return $result;
1429: }
1430:
1431: sub end_instructorcomment {
1.159 albertel 1432: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1433: my $result;
1434: if ($target eq "edit") {
1435: $result.= &Apache::edit::tag_end($target,$token,'');
1436: }
1437: return $result;
1.4 tsai 1438: }
1439:
1440: sub start_while {
1.326 albertel 1441: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1442:
1.160 albertel 1443: my $result;
1.339 albertel 1444: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1445: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1446: my $code = $token->[2]->{'condition'};
1.4 tsai 1447:
1.160 albertel 1448: push( @Apache::structuretags::whileconds, $code);
1449: if (!$Apache::lonxml::default_homework_loaded) {
1450: &Apache::lonxml::default_homework_load($safeeval);
1451: }
1452: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 1453: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 1454: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 1455: push( @Apache::structuretags::whileline, $token->[5]);
1456: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 1457: if ( $result ) {
1458: &Apache::lonxml::newparser($parser,\$bodytext);
1459: }
1460: } elsif ($target eq 'edit') {
1461: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1462: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 1463: $token,40);
1464: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1465: } elsif ($target eq 'modified') {
1466: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1467: $safeeval,'condition');
1468: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 1469: }
1.160 albertel 1470: return $result;
1.4 tsai 1471: }
1472:
1473: sub end_while {
1.159 albertel 1474: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1475: my $result;
1476:
1.339 albertel 1477: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1478: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1479: my $code = pop(@Apache::structuretags::whileconds);
1480: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1481: my $line = pop(@Apache::structuretags::whileline);
1482: my $return = &Apache::run::run($code,$safeeval);
1483: my $starttime=time;
1484: my $error=0;
1485: while ($return) {
1486: if (time-$starttime >
1487: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 1488: $return = 0; $error=1; next;
1.161 albertel 1489: }
1490: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 1491: if ($target eq 'grade' || $target eq 'answer' ||
1492: $target eq 'analyze') {
1493: # grade/answer/analyze should produce no output but if we
1494: # are redirecting, the redirecter should know what to do
1495: # with the output
1496: if (!$Apache::lonxml::redirection) { undef($result); }
1497: }
1.161 albertel 1498: $return = &Apache::run::run($code,$safeeval);
1499: }
1500: if ($error) {
1.270 albertel 1501: &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 1502: }
1503: } elsif ($target eq "edit") {
1504: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1505: }
1.160 albertel 1506: return $result;
1.1 albertel 1507: }
1.6 tsai 1508:
1.160 albertel 1509: # <randomlist show="1">
1.6 tsai 1510: # <tag1>..</tag1>
1511: # <tag2>..</tag2>
1512: # <tag3>..</tag3>
1.160 albertel 1513: # ...
1.6 tsai 1514: # </randomlist>
1515: sub start_randomlist {
1.326 albertel 1516: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1517: my $result;
1.339 albertel 1518: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1519: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 1520: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 1521: my $b_parser= HTML::LCParser->new(\$body);
1522: $b_parser->xml_mode(1);
1523: $b_parser->marked_sections(1);
1.159 albertel 1524: my $b_tok;
1525: my @randomlist;
1526: my $list_item;
1527: while($b_tok = $b_parser->get_token() ) {
1528: if($b_tok->[0] eq 'S') { # start tag
1529: # get content of the tag until matching end tag
1530: # get all text upto the matching tag
1531: # and push the content into @randomlist
1532: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1533: $b_parser);
1534: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1535: push(@randomlist,$list_item);
1536: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1537: # $list_item</b>";
1538: }
1539: if($b_tok->[0] eq 'T') { # text
1540: # what to do with text in between tags?
1541: # print "<b>TEXT $b_tok->[1]</b><br />";
1542: }
1543: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1544: # print "<b>END-TAG $b_tok->[1]</b><br />";
1545: # }
1546: }
1.303 albertel 1547: if (@randomlist) {
1548: my @idx_arr = (0 .. $#randomlist);
1549: &Apache::structuretags::shuffle(\@idx_arr);
1550: my $bodytext = '';
1551: my $show=$#randomlist;
1552: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1553: $showarg--;
1554: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1555: for(0 .. $show) {
1556: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1557: }
1558: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 1559: }
1560: } elsif ($target eq 'edit' ) {
1561: $result .=&Apache::edit::tag_start($target,$token);
1562: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1563: $token,5);
1564: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1565: } elsif ($target eq 'modified' ) {
1566: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1567: $safeeval,'show');
1568: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1569: }
1570: return $result;
1.7 tsai 1571: }
1572:
1573: sub shuffle {
1574: my $a=shift;
1575: my $i;
1.303 albertel 1576: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 1577: &Apache::response::pushrandomnumber();
1.159 albertel 1578: for($i=@$a;--$i;) {
1579: my $j=int(&Math::Random::random_uniform() * ($i+1));
1580: next if $i == $j;
1581: @$a[$i,$j] = @$a[$j,$i];
1582: }
1.251 albertel 1583: &Apache::response::poprandomnumber();
1.7 tsai 1584: }
1.6 tsai 1585: }
1586:
1587: sub end_randomlist {
1.159 albertel 1588: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1589: my $result;
1590: if ($target eq 'edit' ) {
1591: $result=&Apache::edit::tag_end($target,$token,
1592: 'End Randomly Parsed Block');
1593: }
1594: return $result;
1.6 tsai 1595: }
1596:
1.283 albertel 1597: sub ordered_show_check {
1598: my $last_part=$Apache::inputtags::partlist[-2];
1599: my $in_order=
1600: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1601: my $in_order_show=1;
1602: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1603: $in_order_show=&Apache::response::check_status($last_part);
1604: }
1605: return $in_order_show;
1606: }
1607:
1.11 albertel 1608: sub start_part {
1.326 albertel 1609: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 1610: if (!$Apache::lonxml::metamode) {
1611: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
1612: # duedates.
1613: }
1.159 albertel 1614: my $result='';
1.386 albertel 1615: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 1616: $Apache::inputtags::part=$id;
1.177 albertel 1617: push(@Apache::inputtags::partlist,$id);
1618: @Apache::inputtags::response=();
1.159 albertel 1619: @Apache::inputtags::previous=();
1620: @Apache::inputtags::previous_version=();
1.405 albertel 1621: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 1622: &Apache::response::reset_params();
1623:
1.159 albertel 1624: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1625: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1626: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1627: my $in_order_show=&ordered_show_check();
1.214 albertel 1628: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1629: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1630: &Apache::run::run($expression,$safeeval);
1.159 albertel 1631:
1632: if ($target eq 'meta') {
1.224 www 1633: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1634: return &Apache::response::mandatory_part_meta.
1635: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1636: } elsif ($target eq 'web' || $target eq 'grade' ||
1637: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1638: if ($hidden || !$in_order_show) {
1.326 albertel 1639: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 1640: } else {
1641: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1642: push (@Apache::inputtags::status,$status);
1643: my $expression='$external::datestatus="'.$status.'";';
1644: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1645: &Apache::run::run($expression,$safeeval);
1.284 albertel 1646: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1647: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1648: }
1.216 albertel 1649: if (( $status eq 'CLOSED' ) ||
1650: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1651: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1652: ( $status eq 'BANNED') ||
1653: ( $status eq 'UNAVAILABLE') ||
1654: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 1655: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
1656: $style);
1.159 albertel 1657: if ( $target eq "web" ) {
1.211 albertel 1658: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1659: } elsif ( $target eq 'tex' ) {
1.284 albertel 1660: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1661: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1662: } else {
1.211 albertel 1663: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1664: }
1.159 albertel 1665: }
1666: } else {
1667: if ($target eq 'tex') {
1.284 albertel 1668: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1669: if ($$tagstack[-2] eq 'td') {
1.388 foxr 1670: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 1671: } else {
1672: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1673: }
1.195 sakharuk 1674: }
1.159 albertel 1675: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1676: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1677: my @allkeys = split /,/,$allkeys;
1678: my $allow_print_points = 0;
1679: foreach my $partial_key (@allkeys) {
1.230 albertel 1680: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1681: if ($1 ne '0') {$allow_print_points=1;}
1682: }
1683: }
1.275 albertel 1684: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1685: if (defined($maxtries) && $maxtries < 0) {
1686: $allow_print_points=0;
1687: }
1.302 albertel 1688: if (lc($env{'course.'.$env{'request.course.id'}.
1689: '.disableexampointprint'}) eq 'yes') {
1690: $allow_print_points=0;
1691: }
1.222 sakharuk 1692: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1693: } elsif ($target eq 'web') {
1.356 www 1694: $result.='<a name="'.&escape($Apache::inputtags::part).'" />';
1.159 albertel 1695: }
1696: }
1697: }
1698: } elsif ($target eq 'edit') {
1699: $result.=&Apache::edit::tag_start($target,$token);
1700: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1701: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1702: ' '.
1703: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1704: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1705: } elsif ($target eq 'modified') {
1706: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1707: $safeeval,'id','display');
1.159 albertel 1708: if ($constructtag) {
1.225 albertel 1709: #limiting ids to only letters numbers, and space
1.224 www 1710: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1711: $result = &Apache::edit::rebuild_tag($token);
1712: }
1713: }
1714: return $result;
1.11 albertel 1715: }
1716:
1717: sub end_part {
1.159 albertel 1718: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1719: &Apache::lonxml::debug("in end_part $target ");
1720: my $status=$Apache::inputtags::status['-1'];
1721: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1722: my $in_order_show=&ordered_show_check();
1.321 albertel 1723: my $result;
1724: if (!$Apache::lonxml::metamode) {
1725: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 1726: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1727: }
1.312 albertel 1728: if ($target eq 'grade') {
1.249 albertel 1729: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1730: !$hidden && $in_order_show) {
1.311 foxr 1731: $result.=&Apache::inputtags::grade;
1.249 albertel 1732: } else {
1733: # move any submission data to .hidden
1734: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1735: }
1.283 albertel 1736: } elsif (($target eq 'web' || $target eq 'tex') &&
1737: !$hidden && $in_order_show) {
1.159 albertel 1738: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1739: $target);
1.212 albertel 1740: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1741: $gradestatus='';
1742: }
1.311 foxr 1743: $result.=$gradestatus;
1.265 sakharuk 1744: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1745: } elsif ($target eq 'edit') {
1.311 foxr 1746: $result.=&Apache::edit::end_table();
1.322 albertel 1747: } elsif ($target eq 'modified') {
1748: $result .= $token->[2];
1.159 albertel 1749: }
1750: pop @Apache::inputtags::status;
1751: $Apache::inputtags::part='';
1.295 albertel 1752: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 1753: return $result;
1.11 albertel 1754: }
1.1 albertel 1755:
1.25 albertel 1756: sub start_preduedate {
1.326 albertel 1757: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 1758: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1759: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 1760: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 1761: if (!$Apache::lonhomework::scantronmode &&
1762: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1763: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1764: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 1765: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 1766: }
1.24 albertel 1767: }
1.159 albertel 1768: return '';
1.24 albertel 1769: }
1770:
1.25 albertel 1771: sub end_preduedate {
1.159 albertel 1772: return '';
1.24 albertel 1773: }
1774:
1.369 foxr 1775: # In all the modes where <postanswerdate> text is
1776: # displayable, all we do is eat up the text between the start/stop
1777: # tags if the conditions are not right to display it.
1.25 albertel 1778: sub start_postanswerdate {
1.326 albertel 1779: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 1780: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
1781: &Apache::lonnet::allowed('pav',
1782: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 1783: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 1784: $target eq 'tex' ) {
1.300 albertel 1785: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 1786: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
1787: (($target eq 'tex') && !$pav)) {
1.326 albertel 1788: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 1789: }
1790: }
1791: return '';
1.24 albertel 1792: }
1793:
1.25 albertel 1794: sub end_postanswerdate {
1.159 albertel 1795: return '';
1.24 albertel 1796: }
1797:
1.25 albertel 1798: sub start_notsolved {
1.326 albertel 1799: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1800: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 1801: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 1802: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1803: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1804: if ($gradestatus =~ /^correct/ &&
1805: &Apache::response::show_answer()) {
1.159 albertel 1806: &Apache::lonxml::debug("skipping");
1.326 albertel 1807: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 1808: }
1.24 albertel 1809: }
1.159 albertel 1810: return '';
1.24 albertel 1811: }
1812:
1.25 albertel 1813: sub end_notsolved {
1.159 albertel 1814: return '';
1.24 albertel 1815: }
1816:
1817: sub start_solved {
1.326 albertel 1818: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1819: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1820: $target eq 'tex') {
1821: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1822: if ($gradestatus !~ /^correct/ ||
1823: !&Apache::response::show_answer()) {
1.326 albertel 1824: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 1825: }
1.24 albertel 1826: }
1.159 albertel 1827: return '';
1.24 albertel 1828: }
1829:
1830: sub end_solved {
1.248 albertel 1831: return '';
1832: }
1833:
1834: sub start_problemtype {
1.326 albertel 1835: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 1836: my $result;
1.339 albertel 1837: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1838: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 1839: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1840: if (!defined($mode)) { $mode='show'; }
1841: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1842: my $found=0;
1843: foreach my $type (split(',',$for)) {
1844: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1845: }
1846: if ($mode eq 'show' && !$found) {
1.326 albertel 1847: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1848: }
1849: if ($mode eq 'hide' && $found) {
1.326 albertel 1850: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1851: }
1852: } elsif ($target eq 'edit') {
1853: $result .=&Apache::edit::tag_start($target,$token);
1854: $result.=&Apache::edit::select_arg('Mode:','mode',
1855: [['show','Show'],
1856: ['hide','Hide']]
1857: ,$token);
1858: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1859: [ ['exam','Exam/Quiz Problem'],
1860: ['survey','Survey'],
1861: ['problem','Homework Problem'] ]
1862: ,$token);
1863: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1864: } elsif ($target eq 'modified') {
1865: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1866: $safeeval,'mode','for');
1867: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1868: }
1869: return $result;
1870: }
1871:
1872: sub end_problemtype {
1.159 albertel 1873: return '';
1.24 albertel 1874: }
1.34 albertel 1875:
1876: sub start_startouttext {
1.159 albertel 1877: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1878: my @result=(''.'');
1879: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 1880:
1881: my $nesting =
1882: &Apache::lonxml::set_state('outtext',
1883: &Apache::lonxml::get_state('outtext')+1);
1884: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
1885: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
1886: }
1.159 albertel 1887: return (@result);
1.34 albertel 1888: }
1.159 albertel 1889:
1.34 albertel 1890: sub end_startouttext {
1.326 albertel 1891: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1892: my $result='';
1893: my $text='';
1894:
1895: if ($target eq 'edit') {
1.326 albertel 1896: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.211 albertel 1897: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1898: <td>".&mt('Delete:').
1.159 albertel 1899: &Apache::edit::deletelist($target,$token)
1900: ."</td>
1.42 albertel 1901: <td>".
1.159 albertel 1902: &Apache::edit::insertlist($target,$token).
1.362 albertel 1903: '</td><td align="right" valign="top">' .
1904: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 1905: &Apache::edit::end_row().
1.362 albertel 1906: &Apache::edit::start_spanning_row()."\n".
1.255 www 1907: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 1908: }
1909: if ($target eq 'modified') {
1.219 albertel 1910: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1911: }
1912: if ($target eq 'tex') {
1913: $result .= '\noindent ';
1914: }
1915: return $result;
1.34 albertel 1916: }
1.159 albertel 1917:
1.34 albertel 1918: sub start_endouttext {
1.159 albertel 1919: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1920: my $result='';
1921: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1922: if ($target eq "modified") {
1923: $result='<endouttext />'.
1.377 albertel 1924: &Apache::edit::handle_insertafter('startouttext');
1925: }
1.404 albertel 1926:
1927: my $nesting =
1928: &Apache::lonxml::set_state('outtext',
1929: &Apache::lonxml::get_state('outtext')-1);
1930: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
1931: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
1932: &Apache::lonxml::set_state('outtext', 0);
1933: }
1.159 albertel 1934: return $result;
1.34 albertel 1935: }
1.159 albertel 1936:
1.34 albertel 1937: sub end_endouttext {
1.159 albertel 1938: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1939: my @result=('','');
1940: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1941: return (@result);
1.34 albertel 1942: }
1.159 albertel 1943:
1.45 albertel 1944: sub delete_startouttext {
1.326 albertel 1945: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1946: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 1947: my $text=$$parser['-1']->get_text("/endouttext");
1948: my $ntoken=$$parser['-1']->get_token();
1949: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1950: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1951: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1952: # they did the last time round
1953: &Apache::lonxml::increasedepth($ntoken);
1954: &Apache::lonxml::decreasedepth($ntoken);
1955: return 1;
1.193 www 1956: }
1957:
1958: sub start_simpleeditbutton {
1959: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1960: my $result='';
1.284 albertel 1961: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 1962: ($target eq 'web') &&
1.330 albertel 1963: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 1964: my $url=$env{'request.noversionuri'};
1.193 www 1965: $url=~s/\?.*$//;
1.367 albertel 1966: my ($symb) = &Apache::lonnet::whichuser();
1.194 www 1967: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.356 www 1968: '<a href="'.$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 1969: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1970: }
1971: return $result;
1972: }
1973:
1974: sub end_simpleeditbutton {
1975: return '';
1.45 albertel 1976: }
1.34 albertel 1977:
1.1 albertel 1978: 1;
1979: __END__
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