Annotation of loncom/homework/structuretags.pm, revision 1.418
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.418 ! bisitz 4: # $Id: structuretags.pm,v 1.417 2008/01/28 21:42:28 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: }
454:
455: $result.='
456: <span class="LC_nobreak">
457: '.&mt('Apply style file: ').'
458: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
459: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
460: </span>
461: </div>
462: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
463: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
464: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
465: </div>
466: <hr class="LC_edit_problem_divide" />
467: <div class="LC_edit_problem_header_randomize_row">
468: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
469: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
470: <input type="text" name="rndseed" size="10" value="'.
471: $rndseed.'"
472: onchange="javascript:document.lonhomework.changerandseed.click()" />';
473:
474: if (!$Apache::lonhomework::parsing_a_task) {
475: my $numtoanalyze=$env{'form.numtoanalyze'};
476: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 477: $result .= '<span class="LC_nobreak">'.
478: &mt('[_1] for [_2] versions.',
1.416 raeburn 479: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
480: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />
481: <input type="text" name="numtoanalyze" value="'.
1.408 albertel 482: $numtoanalyze.'" size="5" />').
483: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
484: '</span>';
485:
1.313 albertel 486: }
1.406 albertel 487:
488: $result.='
489: </div>
1.408 albertel 490: <div class="LC_edit_problem_header_edit_row">';
1.416 raeburn 491: $result.='<input type="hidden" name="problemmode" value="view" />';
492: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
493: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
494: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
495: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.408 albertel 496: $result.='
497: </div>
1.409 albertel 498: '.&Apache::lonxml::message_location().'
1.406 albertel 499: </div>';
1.159 albertel 500: return $result;
1.48 albertel 501: }
502:
1.65 albertel 503: sub initialize_storage {
1.357 albertel 504: my ($given_symb) = @_;
1.353 albertel 505: undef(%Apache::lonhomework::results);
506: undef(%Apache::lonhomework::history);
1.357 albertel 507: my ($symb,$courseid,$domain,$name) =
1.367 albertel 508: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 509:
510: # anonymous users (CODEd exams) have no data
511: if ($name eq 'anonymous'
512: && !defined($domain)) {
513: return;
514: }
515:
1.333 albertel 516: if ($env{'request.state'} eq 'construct'
517: || $symb eq ''
518: || $Apache::lonhomework::type eq 'practice') {
519:
520: my $namespace = $symb || $env{'request.uri'};
521: if ($env{'form.resetdata'} eq &mt('Reset Submissions') ||
1.374 albertel 522: ($env{'form.resetdata'} eq &mt('New Problem Variation')
523: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 524: $env{'form.newrandomization'} eq &mt('New Randomization')) {
525: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
526: &Apache::lonxml::debug("Attempt reset");
527: }
1.159 albertel 528: %Apache::lonhomework::history=
1.333 albertel 529: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.159 albertel 530: my ($temp)=keys %Apache::lonhomework::history ;
531: &Apache::lonxml::debug("Return message of $temp");
532: } else {
533: %Apache::lonhomework::history=
534: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
535: }
1.353 albertel 536:
1.159 albertel 537: #ignore error conditions
1.67 albertel 538: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 539: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 540: }
541:
542: # -------------------------------------------------------------finalize_storage
543: # Stores away the result has to a student's environment
544: # checks form.grade_ for specific values, other wises stores
545: # to the running users environment
1.285 raeburn 546: # Will increment totals for attempts, students, and corrects
547: # if running user has student role.
1.65 albertel 548: sub finalize_storage {
1.357 albertel 549: my ($given_symb) = @_;
1.159 albertel 550: my $result;
1.289 albertel 551: if (%Apache::lonhomework::results) {
1.323 albertel 552: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
553: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 554: my ($symb,$courseid,$domain,$name) =
1.367 albertel 555: &Apache::lonnet::whichuser($given_symb);
1.333 albertel 556: if ($env{'request.state'} eq 'construct'
557: || $symb eq ''
558: || $Apache::lonhomework::type eq 'practice') {
559: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 560: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 561: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 562: $namespace,'',$domain,$name);
1.159 albertel 563: &Apache::lonxml::debug('Construct Store return message:'.$result);
564: } else {
565: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
566: $symb,$courseid,$domain,$name);
567: &Apache::lonxml::debug('Store return message:'.$result);
1.285 raeburn 568: if ($env{'request.role'} =~/^st/) {
569: &store_aggregates($symb,$courseid);
570: }
1.159 albertel 571: }
1.323 albertel 572: } else {
573: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 574: }
1.159 albertel 575: return $result;
1.65 albertel 576: }
577:
1.285 raeburn 578: # -------------------------------------------------------------store_aggregates
579: # Sends hash of values to be incremented in nohist_resourcetracker.db
580: # for the course. Increments total number of attempts, unique students
581: # and corrects for each part for an instance of a problem, as appropriate.
582: sub store_aggregates {
583: my ($symb,$courseid) = @_;
1.286 albertel 584: my %aggregate;
585: my @parts;
1.288 albertel 586: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
587: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 588: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 589: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 590: push(@parts, $1);
1.285 raeburn 591: }
592: }
1.286 albertel 593: foreach my $part (@parts) {
594: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
595: eq 'APPROX_ANS' ||
596: $Apache::lonhomework::results{'resource.'.$part.'.award'}
597: eq 'EXACT_ANS') {
1.287 albertel 598: $aggregate{$symb."\0".$part."\0correct"} = 1;
1.285 raeburn 599: }
1.286 albertel 600: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1.287 albertel 601: $aggregate{$symb."\0".$part."\0users"} = 1;
1.292 raeburn 602: } else {
1.293 albertel 603: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1.292 raeburn 604: if ($last_reset) {
1.293 albertel 605: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1.292 raeburn 606: $aggregate{$symb."\0".$part."\0users"} = 1;
607: }
608: }
1.285 raeburn 609: }
1.287 albertel 610: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 611: }
1.292 raeburn 612: if (keys (%aggregate) > 0) {
1.289 albertel 613: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 614: $cdomain,$cname);
615: }
616: }
1.289 albertel 617:
1.65 albertel 618: sub checkout_msg {
1.211 albertel 619: my %lt=&Apache::lonlocal::texthash(
620: 'resource'=>'The resource needs to be checked out',
621: '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.',
622: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
623: 'checkout'=>'Check out Exam for Viewing',
624: 'checkout?'=>'Check out Exam?');
1.352 albertel 625: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 626: return (<<ENDCHECKOUT);
1.211 albertel 627: <h2>$lt{'resource'}</h2>
628: <p>$lt{'id_expln'}</p>
629: <font color="red">
630: <p>$lt{'warning'}</p>
1.91 albertel 631: </font>
1.352 albertel 632: <form name="checkout" method="POST" action="$uri">
1.91 albertel 633: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 634: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 635: </form>
636: ENDCHECKOUT
637: }
638:
1.252 albertel 639: sub firstaccess_msg {
1.253 albertel 640: my ($time,$symb)=@_;
1.414 albertel 641: my $result;
642: my @interval=&Apache::lonnet::EXT("resource.0.interval");
643: if ($interval[1] eq 'map') {
644: my ($map)=&Apache::lonnet::decode_symb($symb);
645: my $foldertitle=&Apache::lonnet::gettitle($map);
646:
647: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.418 ! bisitz 648: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
! 649: .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
! 650: ,$foldertitle,$time)."</h2>";
1.414 albertel 651: } elsif ($interval[1] eq 'course') {
652: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.418 ! bisitz 653: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
! 654: .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
! 655: ,$course,$time)."</h2>";
1.414 albertel 656: } else {
657: my $title=&Apache::lonnet::gettitle($symb);
1.418 ! bisitz 658: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.'
! 659: .' Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
! 660: ,$title,$time)."</h2>";
1.414 albertel 661: }
1.352 albertel 662: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 ! bisitz 663: my $buttontext = &mt('Show Resource');
! 664: my $timertext = &mt('Start Timer?');
1.414 albertel 665: $result .= (<<ENDCHECKOUT);
1.352 albertel 666: <form name="markaccess" method="POST" action="$uri">
1.252 albertel 667: <input type="hidden" name="markaccess" value="yes" />
1.418 ! bisitz 668: <input type="button" name="accessbutton" value="$buttontext" onClick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 669: </form>
670: ENDCHECKOUT
1.414 albertel 671: return $result;
1.252 albertel 672: }
673:
1.204 albertel 674: sub init_problem_globals {
675: my ($type)=@_;
676: #initialize globals
1.308 foxr 677: # For problems, we start out in part 0 (outside a <part> tag).
678: # and part 0 is used to describe the main body of the <problem>
679: #
1.204 albertel 680: if ($type eq 'problem') {
681: $Apache::inputtags::part='0';
682: @Apache::inputtags::partlist=('0');
1.405 albertel 683: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 684: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 685:
1.266 albertel 686: } elsif ($type eq 'library') {
1.204 albertel 687: $Apache::inputtags::part='';
688: @Apache::inputtags::partlist=();
1.405 albertel 689: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 690: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 691:
1.304 albertel 692: } elsif ($type eq 'Task') {
693: $Apache::inputtags::part='0';
694: @Apache::inputtags::partlist=('0');
1.405 albertel 695: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 696: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 697: }
698: @Apache::inputtags::responselist = ();
699: @Apache::inputtags::importlist = ();
700: @Apache::inputtags::previous=();
701: @Apache::inputtags::previous_version=();
702: $Apache::structuretags::printanswer='No';
703: @Apache::structuretags::whileconds=();
704: @Apache::structuretags::whilebody=();
705: @Apache::structuretags::whileline=();
706: $Apache::lonhomework::scantronmode=0;
707: undef($Apache::lonhomework::name);
1.358 albertel 708: undef($Apache::lonhomework::default_type);
709: undef($Apache::lonhomework::type);
1.204 albertel 710: }
711:
712: sub reset_problem_globals {
713: my ($type)=@_;
714: undef(%Apache::lonhomework::history);
715: undef(%Apache::lonhomework::results);
716: undef($Apache::inputtags::part);
1.208 albertel 717: #don't undef this, lonhomework.pm takes care of this, we use this to
718: #detect if we try to do 2 problems in one file
719: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 720: undef($Apache::lonhomework::name);
1.358 albertel 721: undef($Apache::lonhomework::default_type);
722: undef($Apache::lonhomework::type);
723: undef($Apache::lonhomework::scantronmode);
724: undef($Apache::lonhomework::ignore_response_errors);
1.405 albertel 725: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 726: }
727:
1.241 albertel 728: sub set_problem_state {
1.240 albertel 729: my ($part)=@_;
1.284 albertel 730: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 731: $Apache::lonhomework::history{"resource.$part.solved"}=
732: 'correct_by_student';
733: }
734: }
735:
1.241 albertel 736: sub get_problem_status {
737: my ($part)=@_;
1.267 albertel 738: my $problem_status;
1.284 albertel 739: if ($env{'request.state'} eq 'construct' &&
740: defined($env{'form.problemstatus'})) {
741: $problem_status=$env{'form.problemstatus'};
1.267 albertel 742: } else {
743: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
744: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 745: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 746: }
747: return $problem_status;
748: }
749:
1.9 albertel 750: sub start_problem {
1.326 albertel 751: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 752:
1.311 foxr 753: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 754: if (!$Apache::lonxml::metamode) {
755: &Apache::lonxml::startredirection();
756: }
1.311 foxr 757:
1.308 foxr 758: # Problems don't nest and we don't allow more than one <problem> in
759: # a .problem file.
760: #
1.184 albertel 761: if ( $Apache::inputtags::part ne '' ||
762: $Apache::lonhomework::parsing_a_problem) {
763: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 764: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 765: return '';
766: }
1.184 albertel 767:
768: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 769: &init_problem_globals('problem');
1.166 albertel 770:
1.284 albertel 771: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 772: $Apache::lonhomework::scantronmode=1;
773: }
1.161 albertel 774:
1.159 albertel 775: if ($target ne 'analyze') {
1.415 raeburn 776: my $type = &Apache::lonnet::EXT('resource.0.type');
777: $Apache::lonhomework::type=$type;
1.284 albertel 778: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 779: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 780: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 781: }
1.332 albertel 782: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 783: }
1.164 albertel 784: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 785: my $uri=$env{'request.uri'};
1.159 albertel 786: if ($uri=~/\.(\w+)$/) {
787: $Apache::lonhomework::type=$1;
788: &Apache::lonxml::debug("Using type of $1");
789: } else {
790: $Apache::lonhomework::type='problem';
791: &Apache::lonxml::debug("Using default type, problem, :$uri:");
792: }
1.87 albertel 793: }
1.301 albertel 794: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 795:
1.363 albertel 796: &initialize_storage();
1.389 albertel 797: if ($target ne 'analyze'
798: && $env{'request.state'} eq 'construct') {
799: &set_problem_state('0');
800: }
801:
1.366 albertel 802: if ($target eq 'web') {
803: &Apache::lonxml::debug(" grading history ");
804: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
805: }
1.363 albertel 806:
1.159 albertel 807: #added vars to the scripting enviroment
1.213 albertel 808: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 809: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 810: &Apache::run::run($expression,$safeeval);
1.159 albertel 811: my $status;
812: my $accessmsg;
813:
1.343 albertel 814: my $name= &get_resource_name($parstack,$safeeval);
1.350 albertel 815: my ($result,$form_tag_start);
1.354 albertel 816: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
817: || $target eq 'edit') {
1.350 albertel 818: ($result,$form_tag_start) =
819: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
820: $name);
821: }
822:
1.284 albertel 823: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 824:
825: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
826: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
827: $target eq 'tex') {
828: #handle exam checkout
829: if ($Apache::lonhomework::type eq 'exam') {
830: my $token=
831: $Apache::lonhomework::history{"resource.0.outtoken"};
1.284 albertel 832: if (($env{'form.doescheckout'}) && (!$token)) {
1.159 albertel 833: $token=&Apache::lonxml::maketoken();
834: $Apache::lonhomework::history{"resource.0.outtoken"}=
835: $token;
836: }
1.343 albertel 837: $result.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 838: }
1.284 albertel 839: if ($env{'form.markaccess'}) {
1.414 albertel 840: my @interval=&Apache::lonnet::EXT("resource.0.interval");
841: &Apache::lonnet::set_first_access($interval[1]);
1.252 albertel 842: }
1.159 albertel 843: #handle rand seed in construction space
844: my $rndseed=&setup_rndseed($safeeval);
1.367 albertel 845: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 846: if ($env{'request.state'} ne "construct" &&
847: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 848: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
849: $rndseed.'" />'.
850: '<input type="submit" name="resetdata"
1.334 albertel 851: value="'.&mt('New Problem Variation').'" />';
852: if (exists($env{'form.username'})) {
853: $form_tag_start.=
1.164 albertel 854: '<input type="hidden" name="username"
1.284 albertel 855: value="'.$env{'form.username'}.'" />';
1.334 albertel 856: }
1.333 albertel 857: if ($env{'request.role.adv'}) {
1.267 albertel 858: $form_tag_start.=
1.300 albertel 859: ' <label><input type="checkbox" name="showallfoils" ';
1.284 albertel 860: if (defined($env{'form.showallfoils'})) {
1.267 albertel 861: $form_tag_start.='checked="on"';
862: }
1.300 albertel 863: $form_tag_start.= ' />'.&mt(' Show All Foils').
864: '</label>';
1.267 albertel 865: }
1.417 www 866: if ($Apache::lonhomework::type eq 'practice') {
867: $form_tag_start.='<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
868: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').'</span>';
869: }
1.267 albertel 870: $form_tag_start.='<hr />';
1.162 albertel 871: }
1.324 albertel 872:
873: ($status,$accessmsg,my $slot_name,my $slot) =
874: &Apache::lonhomework::check_slot_access('0','problem');
1.159 albertel 875: push (@Apache::inputtags::status,$status);
1.324 albertel 876:
1.159 albertel 877: my $expression='$external::datestatus="'.$status.'";';
878: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
879: &Apache::run::run($expression,$safeeval);
880: &Apache::lonxml::debug("Got $status");
1.324 albertel 881:
1.159 albertel 882: if (( $status eq 'CLOSED' ) ||
883: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 884: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 885: ( $status eq 'BANNED') ||
1.216 albertel 886: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 887: ( $status eq 'NOT_IN_A_SLOT') ||
1.216 albertel 888: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 889: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
890: $style);
1.159 albertel 891: if ( $target eq "web" ) {
1.343 albertel 892: my $msg;
1.159 albertel 893: if ($status eq 'UNAVAILABLE') {
1.245 albertel 894: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.253 albertel 895: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 896: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 897: }
1.216 albertel 898: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 899: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 900: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 901: $msg.=&checkout_msg();
1.252 albertel 902: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 903: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 904: } elsif ($status eq 'NOT_IN_A_SLOT') {
905: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work.");
1.159 albertel 906: }
907: $result.=$msg.'<br />';
908: } elsif ($target eq 'tex') {
1.332 albertel 909: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
910: : '\begin{minipage}{\textwidth}';
911: $result.='\begin{document}\noindent \vskip 1 mm '.
912: $startminipage.'\vskip 0 mm';
1.159 albertel 913: if ($status eq 'UNAVAILABLE') {
1.211 albertel 914: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 915: } else {
1.211 albertel 916: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 917: }
918: }
1.324 albertel 919: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 920: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
921: $style);
1.324 albertel 922: if ($target eq 'web') {
1.375 albertel 923: $result .=
924: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 925: } elsif ($target eq 'grade') {
926: &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
927: 'problem');
928: }
1.159 albertel 929: } elsif ($target eq 'web') {
1.360 albertel 930: if ($status eq 'CAN_ANSWER'
931: && $slot_name ne ''
932: && $Apache::lonhomework::history{'resource.0.checkedin'} eq '') {
933: # unproctored slot access, self checkin
934: &Apache::bridgetask::check_in('problem',undef,undef,
935: $slot_name);
936: }
1.368 albertel 937: $result.="\n $form_tag_start \t".
1.227 albertel 938: '<input type="hidden" name="submitted" value="yes" />';
939: # create a page header and exit
1.284 albertel 940: if ($env{'request.state'} eq "construct") {
941: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.227 albertel 942: }
943: # if we are viewing someone else preserve that info
1.284 albertel 944: if (defined $env{'form.grade_symb'}) {
1.227 albertel 945: foreach my $field ('symb','courseid','domain','username') {
946: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 947: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 948: }
949: }
950: } elsif ($target eq 'tex') {
1.319 foxr 951: $result .= 'INSERTTEXFRONTMATTERHERE';
952:
1.99 sakharuk 953: }
1.159 albertel 954: } elsif ($target eq 'edit') {
1.343 albertel 955: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 956: $Apache::lonxml::warnings_error_header=
957: &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 958: my $temp=&Apache::edit::insertlist($target,$token);
959: $result.=$temp;
960: } elsif ($target eq 'modified') {
961: $result=$token->[4];
962: } else {
963: # page_start returned a starting result, delete it if we don't need it
964: $result = '';
1.99 sakharuk 965: }
1.159 albertel 966: return $result;
1.9 albertel 967: }
968:
969: sub end_problem {
1.159 albertel 970: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 971: my $result;
1.310 foxr 972:
1.321 albertel 973: if (!$Apache::lonxml::metamode) {
974: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 975: $Apache::lonxml::post_evaluate=0;
1.321 albertel 976: }
1.319 foxr 977:
978: if ($target eq 'tex') {
1.321 albertel 979: # Figure out the front matter and replace the
980: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
981: # this in end_problem because whether or not we display due
982: # dates depends on whether due dates have already been
983: # displayed in the problem parts.
984:
1.319 foxr 985: my $frontmatter = '';
986: my $startminipage = '';
987: if (not $env{'form.problem_split'}=~/yes/) {
988: $startminipage = '\begin{minipage}{\textwidth}';
989: }
990: my $id = $Apache::inputtags::part;
991: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
992: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
993: my @packages = split /,/,$packages;
994: my $allow_print_points = 0;
995: foreach my $partial_key (@packages) {
996: if ($partial_key=~m/^part_0$/) {
997: $allow_print_points=1;
998: }
999: }
1000: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1001: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1002: if (lc($env{'course.'.$env{'request.course.id'}.
1003: '.disableexampointprint'}) eq 'yes') {
1004: $allow_print_points=0;
1005: }
1006: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1007: 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 ';
1008: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1009: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1010:
1011: # Figure out what the due date is and if we need to print
1012: # it in the problem header. We have been logging the
1013: # last due date written to file.
1014:
1015: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1016: my $duedate = POSIX::strftime("%c",localtime($duetime));
1017: my $temp_file;
1018: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1019:
1020: # Figure out what the last printed due date is or set it
1021: # to the epoch if no duedates have been printed.
1022:
1023: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1024: if (-e $filename) {
1025: $temp_file = Apache::File->new($filename);
1026: my @due_file = <$temp_file>;
1027: $due_file_content = $due_file[$#due_file];
1028: chomp $due_file_content;
1029: }
1030:
1031: # We display the due date iff it is not the same as the last
1032: # duedate in problem header ($due_file_content), and
1033: # none of our parts displayed a duedate.
1034: #
1035: my $parts_with_displayduedate;
1036: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1037: $parts_with_displayduedate =
1038: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1039: } else {
1040: $parts_with_displayduedate = 0;
1041: }
1042: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1043: $temp_file = Apache::File->new('>'.$filename);
1044: print $temp_file "$duetime\n";
1045: if (not $env{'request.symb'} =~ m/\.page_/) {
1046: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1047: $frontmatter .= $begin_doc.
1048: '\textit{Due date: '.$duedate.'} '.$toc_line;
1049: } else {
1050: $frontmatter.= $begin_doc.$toc_line;
1051: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1052: }
1053: } else {
1.381 albertel 1054: $frontmatter .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\'.$startminipage;
1.319 foxr 1055: }
1056: } else {
1057: if (not $env{'request.symb'} =~ m/\.page_/) {
1058: $frontmatter .= $begin_doc.$toc_line;
1059: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1060: } else {
1.381 albertel 1061: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1062: }
1063: }
1064: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1065: }
1066:
1.159 albertel 1067: my $status=$Apache::inputtags::status['-1'];
1068: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1069: $target eq 'tex') {
1.249 albertel 1070: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1071: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1072: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1073: &Apache::inputtags::grade;
1.324 albertel 1074: } elsif ($status eq 'NEEDS_CHECKIN') {
1075: # no need to grade, and don't want to hide data
1.249 albertel 1076: } else {
1077: # move any submission data to .hidden
1078: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1079: }
1.159 albertel 1080: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1081: $Apache::inputtags::part eq '0' &&
1.252 albertel 1082: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 1083: # if part is zero, no <part>s existed, so we need show the current
1084: # grading status
1085: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1086: $result.= $gradestatus;
1087: }
1088: if (
1.284 albertel 1089: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1090: ($target eq 'answer') || ($target eq 'tex')
1091: ) {
1.227 albertel 1092: if ($target ne 'tex' &&
1.284 albertel 1093: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 1094: $result.="</form>";
1.348 albertel 1095: $result.= &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields());
1.159 albertel 1096: }
1097: if ($target eq 'web') {
1.346 albertel 1098: $result.= &Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1099: } elsif ($target eq 'tex') {
1.178 sakharuk 1100: my $endminipage = '';
1.284 albertel 1101: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1102: $endminipage = '\end{minipage}';
1103: }
1.284 albertel 1104: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1105: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1106: } else {
1.262 sakharuk 1107: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1108: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1109: $result .= $endminipage.'\end{document} ';
1110: } else {
1.382 albertel 1111: $result .= $endminipage;
1.262 sakharuk 1112: }
1.159 albertel 1113: }
1114: }
1115: }
1116: if ($target eq 'grade') {
1117: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1118: &finalize_storage();
1119: }
1.284 albertel 1120: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
1121: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 1122: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 1123: # normally we get it from above, but in CSTR
1.172 albertel 1124: # we always show answer mode too.
1.159 albertel 1125: }
1126: } elsif ($target eq 'meta') {
1127: if ($Apache::inputtags::part eq '0') {
1.179 albertel 1128: @Apache::inputtags::response=();
1.159 albertel 1129: $result=&Apache::response::mandatory_part_meta;
1130: }
1.215 albertel 1131: $result.=&Apache::response::meta_part_order();
1.258 albertel 1132: $result.=&Apache::response::meta_response_order();
1.159 albertel 1133: } elsif ($target eq 'edit') {
1134: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 1135: $result .= &problem_edit_footer();
1.320 albertel 1136: } elsif ($target eq 'modified') {
1137: $result .= $token->[2];
1.159 albertel 1138: }
1.155 albertel 1139:
1.284 albertel 1140: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 1141: &Apache::inputtags::check_for_duplicate_ids();
1142: }
1.204 albertel 1143:
1144: &reset_problem_globals('problem');
1.159 albertel 1145:
1146: return $result;
1.48 albertel 1147: }
1148:
1.108 albertel 1149:
1.48 albertel 1150: sub start_library {
1.159 albertel 1151: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 1152: my ($result,$form_tag_start);
1.371 albertel 1153: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 1154: &init_problem_globals('library');
1155: $Apache::lonhomework::type='problem';
1156: }
1.159 albertel 1157: if ($target eq 'edit') {
1.343 albertel 1158: ($result,$form_tag_start)=
1159: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1160: 'Edit');
1161: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 1162: my $temp=&Apache::edit::insertlist($target,$token);
1163: $result.=$temp;
1164: } elsif ($target eq 'modified') {
1165: $result=$token->[4];
1.340 albertel 1166: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 1167: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 1168: && $env{'request.state'} eq "construct" ) {
1.159 albertel 1169: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 1170: ($result,$form_tag_start)=
1171: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1172: $name);
1.159 albertel 1173: my $rndseed=&setup_rndseed($safeeval);
1.343 albertel 1174: $result.=" \n $form_tag_start".
1.159 albertel 1175: '<input type="hidden" name="submitted" value="yes" />';
1176: $result.=&problem_web_to_edit_header($rndseed);
1177: }
1178: return $result;
1.48 albertel 1179: }
1180:
1181: sub end_library {
1.159 albertel 1182: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1183: my $result='';
1184: if ($target eq 'edit') {
1185: $result=&problem_edit_footer();
1.371 albertel 1186: } elsif ($target eq 'web'
1187: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1188: && $env{'request.state'} eq "construct") {
1.349 albertel 1189: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1190: }
1.371 albertel 1191: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1192: &reset_problem_globals('library');
1193: }
1.159 albertel 1194: return $result;
1.197 www 1195: }
1196:
1197: sub start_definetag {
1.326 albertel 1198: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 1199:
1200: my $result;
1201:
1202: my $name = $token->[2]->{'name'};
1.326 albertel 1203: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 1204: if ($target eq 'web') {
1205: if ($name=~/^\//) {
1206: $result=
1207: '<br /><table class="LC_sty_end"><tr><th>'.
1208: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1209: } else {
1210: $result=
1211: '<br /><table class="LC_sty_begin"><tr><th>'.
1212: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1213: }
1214: $skip = &HTML::Entities::encode($skip, '<>&"');
1215: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 1216: }
1217: return $result;
1218: }
1219:
1220: sub end_definetag {
1221: return '';
1.1 albertel 1222: }
1223:
1224: sub start_block {
1.201 albertel 1225: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 1226:
1227: my $result;
1.1 albertel 1228:
1.339 albertel 1229: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1230: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 1231: my $code = $token->[2]->{'condition'};
1.385 albertel 1232: if (defined($code) && $code ne '') {
1.137 albertel 1233: if (!$Apache::lonxml::default_homework_loaded) {
1234: &Apache::lonxml::default_homework_load($safeeval);
1235: }
1.131 albertel 1236: $result = &Apache::run::run($code,$safeeval);
1237: &Apache::lonxml::debug("block :$code: returned :$result:");
1238: } else {
1239: $result='1';
1240: }
1241: if ( ! $result ) {
1.201 albertel 1242: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 1243: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1244: }
1245: $result='';
1246: } elsif ($target eq 'edit') {
1247: $result .=&Apache::edit::tag_start($target,$token);
1248: $result .=&Apache::edit::text_arg('Test Condition:','condition',
1249: $token,40);
1250: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1251: } elsif ($target eq 'modified') {
1252: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1253: $safeeval,'condition');
1254: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 1255: }
1.131 albertel 1256: return $result;
1.1 albertel 1257: }
1258:
1259: sub end_block {
1.167 www 1260: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1261: my $result;
1262: if ($target eq "edit") {
1263: $result.= &Apache::edit::tag_end($target,$token,'');
1264: }
1265: return $result;
1266: }
1267:
1268: sub start_languageblock {
1.201 albertel 1269: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 1270:
1271: my $result;
1272:
1.339 albertel 1273: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1274: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 1275: my $include = $token->[2]->{'include'};
1276: my $exclude = $token->[2]->{'exclude'};
1.398 www 1277: my @preferred_languages=&Apache::loncommon::preferred_languages();
1.394 www 1278: # This should not even happen, since we should at least have the server language
1.398 www 1279: if (!$preferred_languages[0]) { $preferred_languages[0]='en'; }
1280: # Now loop over all languages in order of preference
1281: foreach my $preferred_language (@preferred_languages) {
1.394 www 1282: # If the languageblock has no arguments, show the contents
1.399 www 1283: $result=1;
1284: my $found=0;
1.394 www 1285: # Do we have an include argument?
1.398 www 1286: if ($include) {
1.394 www 1287: # If include is specified, by default, don't render the block
1.399 www 1288: $result=0;
1.398 www 1289: foreach my $included_language (split(/\,/,$include)) {
1.394 www 1290: # ... but if my preferred language is included, render it
1.398 www 1291: if ($included_language eq $preferred_language) {
1.399 www 1292: $result=1;
1293: $found=1;
1.398 www 1294: }
1295: }
1296: }
1.394 www 1297: # Do we have an exclude argument?
1.398 www 1298: if ($exclude) {
1.399 www 1299: $result=1;
1.398 www 1300: foreach my $excluded_language (split(/\,/,$exclude)) {
1301: if ($excluded_language eq $preferred_language) {
1.399 www 1302: $result=0;
1303: $found=1;
1.398 www 1304: }
1305: }
1306: }
1.399 www 1307: if ($found) { last; }
1.398 www 1308: }
1.201 albertel 1309: if ( ! $result ) {
1310: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
1311: $style);
1312: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1313: }
1314: $result='';
1.167 www 1315: } elsif ($target eq 'edit') {
1316: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1317: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 1318: $token,40);
1.211 albertel 1319: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 1320: $token,40);
1321: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1322: } elsif ($target eq 'modified') {
1323: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 1324: $safeeval,'include',
1325: 'exclude');
1.167 www 1326: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1327: }
1328: return $result;
1329: }
1330:
1331: sub end_languageblock {
1.170 www 1332: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1333: my $result;
1.201 albertel 1334: if ($target eq "edit") {
1.170 www 1335: $result.= &Apache::edit::tag_end($target,$token,'');
1336: }
1337: return $result;
1338: }
1339:
1.397 albertel 1340: {
1341: my %available_texts;
1342: sub start_translated {
1343: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1344: &Apache::lonxml::register('Apache::structuretags',('lang'));
1345: undef(%available_texts);
1346: }
1347:
1348: sub end_translated {
1349: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1350: my $result;
1351: #show the translation on viewable targets
1352: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
1353: # or non-viewable targets, if it's embedded in something that
1354: # wants the output
1355: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
1356: && &Apache::lonxml::in_redirection() ) ) {
1357: my @possibilities = keys(%available_texts);
1358: my $which =
1359: &Apache::loncommon::languages(\@possibilities) || 'default';
1360: $result = $available_texts{$which};
1361: }
1362: undef(%available_texts);
1363: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
1364: return $result;
1365: }
1366:
1367:
1368: sub start_lang {
1369: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1370: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1371: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1372: &Apache::lonxml::startredirection();
1373: }
1374: return '';
1375: }
1376:
1377: sub end_lang {
1378: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1379: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1380: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1381: my $result = &Apache::lonxml::endredirection();
1382: my $which = &Apache::lonxml::get_param('which',$parstack,
1383: $safeeval);
1384: $available_texts{$which} = $result;
1385: }
1386: return '';
1387: }
1388: }
1389:
1.170 www 1390: sub start_instructorcomment {
1.201 albertel 1391: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 1392:
1393: my $result;
1394:
1.339 albertel 1395: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1396: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.284 albertel 1397: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
1398: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 1399: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
1400: $parser,$style);
1.170 www 1401: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1402: }
1403: $result='';
1404: } elsif ($target eq 'edit') {
1405: $result .=&Apache::edit::tag_start($target,$token);
1406: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1407: }
1408: return $result;
1409: }
1410:
1411: sub end_instructorcomment {
1.159 albertel 1412: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1413: my $result;
1414: if ($target eq "edit") {
1415: $result.= &Apache::edit::tag_end($target,$token,'');
1416: }
1417: return $result;
1.4 tsai 1418: }
1419:
1420: sub start_while {
1.326 albertel 1421: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1422:
1.160 albertel 1423: my $result;
1.339 albertel 1424: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1425: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1426: my $code = $token->[2]->{'condition'};
1.4 tsai 1427:
1.160 albertel 1428: push( @Apache::structuretags::whileconds, $code);
1429: if (!$Apache::lonxml::default_homework_loaded) {
1430: &Apache::lonxml::default_homework_load($safeeval);
1431: }
1432: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 1433: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 1434: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 1435: push( @Apache::structuretags::whileline, $token->[5]);
1436: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 1437: if ( $result ) {
1438: &Apache::lonxml::newparser($parser,\$bodytext);
1439: }
1440: } elsif ($target eq 'edit') {
1441: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1442: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 1443: $token,40);
1444: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1445: } elsif ($target eq 'modified') {
1446: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1447: $safeeval,'condition');
1448: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 1449: }
1.160 albertel 1450: return $result;
1.4 tsai 1451: }
1452:
1453: sub end_while {
1.159 albertel 1454: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1455: my $result;
1456:
1.339 albertel 1457: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1458: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1459: my $code = pop(@Apache::structuretags::whileconds);
1460: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1461: my $line = pop(@Apache::structuretags::whileline);
1462: my $return = &Apache::run::run($code,$safeeval);
1463: my $starttime=time;
1464: my $error=0;
1465: while ($return) {
1466: if (time-$starttime >
1467: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 1468: $return = 0; $error=1; next;
1.161 albertel 1469: }
1470: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 1471: if ($target eq 'grade' || $target eq 'answer' ||
1472: $target eq 'analyze') {
1473: # grade/answer/analyze should produce no output but if we
1474: # are redirecting, the redirecter should know what to do
1475: # with the output
1476: if (!$Apache::lonxml::redirection) { undef($result); }
1477: }
1.161 albertel 1478: $return = &Apache::run::run($code,$safeeval);
1479: }
1480: if ($error) {
1.270 albertel 1481: &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 1482: }
1483: } elsif ($target eq "edit") {
1484: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1485: }
1.160 albertel 1486: return $result;
1.1 albertel 1487: }
1.6 tsai 1488:
1.160 albertel 1489: # <randomlist show="1">
1.6 tsai 1490: # <tag1>..</tag1>
1491: # <tag2>..</tag2>
1492: # <tag3>..</tag3>
1.160 albertel 1493: # ...
1.6 tsai 1494: # </randomlist>
1495: sub start_randomlist {
1.326 albertel 1496: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1497: my $result;
1.339 albertel 1498: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1499: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 1500: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 1501: my $b_parser= HTML::LCParser->new(\$body);
1502: $b_parser->xml_mode(1);
1503: $b_parser->marked_sections(1);
1.159 albertel 1504: my $b_tok;
1505: my @randomlist;
1506: my $list_item;
1507: while($b_tok = $b_parser->get_token() ) {
1508: if($b_tok->[0] eq 'S') { # start tag
1509: # get content of the tag until matching end tag
1510: # get all text upto the matching tag
1511: # and push the content into @randomlist
1512: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1513: $b_parser);
1514: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1515: push(@randomlist,$list_item);
1516: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1517: # $list_item</b>";
1518: }
1519: if($b_tok->[0] eq 'T') { # text
1520: # what to do with text in between tags?
1521: # print "<b>TEXT $b_tok->[1]</b><br />";
1522: }
1523: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1524: # print "<b>END-TAG $b_tok->[1]</b><br />";
1525: # }
1526: }
1.303 albertel 1527: if (@randomlist) {
1528: my @idx_arr = (0 .. $#randomlist);
1529: &Apache::structuretags::shuffle(\@idx_arr);
1530: my $bodytext = '';
1531: my $show=$#randomlist;
1532: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1533: $showarg--;
1534: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1535: for(0 .. $show) {
1536: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1537: }
1538: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 1539: }
1540: } elsif ($target eq 'edit' ) {
1541: $result .=&Apache::edit::tag_start($target,$token);
1542: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1543: $token,5);
1544: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1545: } elsif ($target eq 'modified' ) {
1546: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1547: $safeeval,'show');
1548: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1549: }
1550: return $result;
1.7 tsai 1551: }
1552:
1553: sub shuffle {
1554: my $a=shift;
1555: my $i;
1.303 albertel 1556: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 1557: &Apache::response::pushrandomnumber();
1.159 albertel 1558: for($i=@$a;--$i;) {
1559: my $j=int(&Math::Random::random_uniform() * ($i+1));
1560: next if $i == $j;
1561: @$a[$i,$j] = @$a[$j,$i];
1562: }
1.251 albertel 1563: &Apache::response::poprandomnumber();
1.7 tsai 1564: }
1.6 tsai 1565: }
1566:
1567: sub end_randomlist {
1.159 albertel 1568: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1569: my $result;
1570: if ($target eq 'edit' ) {
1571: $result=&Apache::edit::tag_end($target,$token,
1572: 'End Randomly Parsed Block');
1573: }
1574: return $result;
1.6 tsai 1575: }
1576:
1.283 albertel 1577: sub ordered_show_check {
1578: my $last_part=$Apache::inputtags::partlist[-2];
1579: my $in_order=
1580: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1581: my $in_order_show=1;
1582: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1583: $in_order_show=&Apache::response::check_status($last_part);
1584: }
1585: return $in_order_show;
1586: }
1587:
1.11 albertel 1588: sub start_part {
1.326 albertel 1589: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 1590: if (!$Apache::lonxml::metamode) {
1591: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
1592: # duedates.
1593: }
1.159 albertel 1594: my $result='';
1.386 albertel 1595: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 1596: $Apache::inputtags::part=$id;
1.177 albertel 1597: push(@Apache::inputtags::partlist,$id);
1598: @Apache::inputtags::response=();
1.159 albertel 1599: @Apache::inputtags::previous=();
1600: @Apache::inputtags::previous_version=();
1.405 albertel 1601: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 1602: &Apache::response::reset_params();
1603:
1.159 albertel 1604: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1605: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1606: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1607: my $in_order_show=&ordered_show_check();
1.214 albertel 1608: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1609: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1610: &Apache::run::run($expression,$safeeval);
1.159 albertel 1611:
1612: if ($target eq 'meta') {
1.224 www 1613: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1614: return &Apache::response::mandatory_part_meta.
1615: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1616: } elsif ($target eq 'web' || $target eq 'grade' ||
1617: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1618: if ($hidden || !$in_order_show) {
1.326 albertel 1619: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 1620: } else {
1621: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1622: push (@Apache::inputtags::status,$status);
1623: my $expression='$external::datestatus="'.$status.'";';
1624: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1625: &Apache::run::run($expression,$safeeval);
1.284 albertel 1626: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1627: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1628: }
1.216 albertel 1629: if (( $status eq 'CLOSED' ) ||
1630: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1631: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1632: ( $status eq 'BANNED') ||
1633: ( $status eq 'UNAVAILABLE') ||
1634: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 1635: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
1636: $style);
1.159 albertel 1637: if ( $target eq "web" ) {
1.211 albertel 1638: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1639: } elsif ( $target eq 'tex' ) {
1.284 albertel 1640: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1641: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1642: } else {
1.211 albertel 1643: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1644: }
1.159 albertel 1645: }
1646: } else {
1647: if ($target eq 'tex') {
1.284 albertel 1648: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1649: if ($$tagstack[-2] eq 'td') {
1.388 foxr 1650: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 1651: } else {
1652: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1653: }
1.195 sakharuk 1654: }
1.159 albertel 1655: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1656: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1657: my @allkeys = split /,/,$allkeys;
1658: my $allow_print_points = 0;
1659: foreach my $partial_key (@allkeys) {
1.230 albertel 1660: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1661: if ($1 ne '0') {$allow_print_points=1;}
1662: }
1663: }
1.275 albertel 1664: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1665: if (defined($maxtries) && $maxtries < 0) {
1666: $allow_print_points=0;
1667: }
1.302 albertel 1668: if (lc($env{'course.'.$env{'request.course.id'}.
1669: '.disableexampointprint'}) eq 'yes') {
1670: $allow_print_points=0;
1671: }
1.222 sakharuk 1672: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1673: } elsif ($target eq 'web') {
1.356 www 1674: $result.='<a name="'.&escape($Apache::inputtags::part).'" />';
1.159 albertel 1675: }
1676: }
1677: }
1678: } elsif ($target eq 'edit') {
1679: $result.=&Apache::edit::tag_start($target,$token);
1680: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1681: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1682: ' '.
1683: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1684: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1685: } elsif ($target eq 'modified') {
1686: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1687: $safeeval,'id','display');
1.159 albertel 1688: if ($constructtag) {
1.225 albertel 1689: #limiting ids to only letters numbers, and space
1.224 www 1690: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1691: $result = &Apache::edit::rebuild_tag($token);
1692: }
1693: }
1694: return $result;
1.11 albertel 1695: }
1696:
1697: sub end_part {
1.159 albertel 1698: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1699: &Apache::lonxml::debug("in end_part $target ");
1700: my $status=$Apache::inputtags::status['-1'];
1701: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1702: my $in_order_show=&ordered_show_check();
1.321 albertel 1703: my $result;
1704: if (!$Apache::lonxml::metamode) {
1705: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 1706: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1707: }
1.312 albertel 1708: if ($target eq 'grade') {
1.249 albertel 1709: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1710: !$hidden && $in_order_show) {
1.311 foxr 1711: $result.=&Apache::inputtags::grade;
1.249 albertel 1712: } else {
1713: # move any submission data to .hidden
1714: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1715: }
1.283 albertel 1716: } elsif (($target eq 'web' || $target eq 'tex') &&
1717: !$hidden && $in_order_show) {
1.159 albertel 1718: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1719: $target);
1.212 albertel 1720: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1721: $gradestatus='';
1722: }
1.311 foxr 1723: $result.=$gradestatus;
1.265 sakharuk 1724: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1725: } elsif ($target eq 'edit') {
1.311 foxr 1726: $result.=&Apache::edit::end_table();
1.322 albertel 1727: } elsif ($target eq 'modified') {
1728: $result .= $token->[2];
1.159 albertel 1729: }
1730: pop @Apache::inputtags::status;
1731: $Apache::inputtags::part='';
1.295 albertel 1732: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 1733: return $result;
1.11 albertel 1734: }
1.1 albertel 1735:
1.25 albertel 1736: sub start_preduedate {
1.326 albertel 1737: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 1738: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1739: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 1740: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 1741: if (!$Apache::lonhomework::scantronmode &&
1742: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1743: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1744: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 1745: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 1746: }
1.24 albertel 1747: }
1.159 albertel 1748: return '';
1.24 albertel 1749: }
1750:
1.25 albertel 1751: sub end_preduedate {
1.159 albertel 1752: return '';
1.24 albertel 1753: }
1754:
1.369 foxr 1755: # In all the modes where <postanswerdate> text is
1756: # displayable, all we do is eat up the text between the start/stop
1757: # tags if the conditions are not right to display it.
1.25 albertel 1758: sub start_postanswerdate {
1.326 albertel 1759: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 1760: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
1761: &Apache::lonnet::allowed('pav',
1762: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 1763: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 1764: $target eq 'tex' ) {
1.300 albertel 1765: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 1766: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
1767: (($target eq 'tex') && !$pav)) {
1.326 albertel 1768: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 1769: }
1770: }
1771: return '';
1.24 albertel 1772: }
1773:
1.25 albertel 1774: sub end_postanswerdate {
1.159 albertel 1775: return '';
1.24 albertel 1776: }
1777:
1.25 albertel 1778: sub start_notsolved {
1.326 albertel 1779: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1780: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 1781: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 1782: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1783: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1784: if ($gradestatus =~ /^correct/ &&
1785: &Apache::response::show_answer()) {
1.159 albertel 1786: &Apache::lonxml::debug("skipping");
1.326 albertel 1787: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 1788: }
1.24 albertel 1789: }
1.159 albertel 1790: return '';
1.24 albertel 1791: }
1792:
1.25 albertel 1793: sub end_notsolved {
1.159 albertel 1794: return '';
1.24 albertel 1795: }
1796:
1797: sub start_solved {
1.326 albertel 1798: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1799: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1800: $target eq 'tex') {
1801: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1802: if ($gradestatus !~ /^correct/ ||
1803: !&Apache::response::show_answer()) {
1.326 albertel 1804: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 1805: }
1.24 albertel 1806: }
1.159 albertel 1807: return '';
1.24 albertel 1808: }
1809:
1810: sub end_solved {
1.248 albertel 1811: return '';
1812: }
1813:
1814: sub start_problemtype {
1.326 albertel 1815: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 1816: my $result;
1.339 albertel 1817: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1818: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 1819: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1820: if (!defined($mode)) { $mode='show'; }
1821: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1822: my $found=0;
1823: foreach my $type (split(',',$for)) {
1824: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1825: }
1826: if ($mode eq 'show' && !$found) {
1.326 albertel 1827: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1828: }
1829: if ($mode eq 'hide' && $found) {
1.326 albertel 1830: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1831: }
1832: } elsif ($target eq 'edit') {
1833: $result .=&Apache::edit::tag_start($target,$token);
1834: $result.=&Apache::edit::select_arg('Mode:','mode',
1835: [['show','Show'],
1836: ['hide','Hide']]
1837: ,$token);
1838: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1839: [ ['exam','Exam/Quiz Problem'],
1840: ['survey','Survey'],
1841: ['problem','Homework Problem'] ]
1842: ,$token);
1843: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1844: } elsif ($target eq 'modified') {
1845: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1846: $safeeval,'mode','for');
1847: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1848: }
1849: return $result;
1850: }
1851:
1852: sub end_problemtype {
1.159 albertel 1853: return '';
1.24 albertel 1854: }
1.34 albertel 1855:
1856: sub start_startouttext {
1.159 albertel 1857: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1858: my @result=(''.'');
1859: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 1860:
1861: my $nesting =
1862: &Apache::lonxml::set_state('outtext',
1863: &Apache::lonxml::get_state('outtext')+1);
1864: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
1865: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
1866: }
1.159 albertel 1867: return (@result);
1.34 albertel 1868: }
1.159 albertel 1869:
1.34 albertel 1870: sub end_startouttext {
1.326 albertel 1871: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1872: my $result='';
1873: my $text='';
1874:
1875: if ($target eq 'edit') {
1.326 albertel 1876: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.211 albertel 1877: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1878: <td>".&mt('Delete:').
1.159 albertel 1879: &Apache::edit::deletelist($target,$token)
1880: ."</td>
1.42 albertel 1881: <td>".
1.159 albertel 1882: &Apache::edit::insertlist($target,$token).
1.362 albertel 1883: '</td><td align="right" valign="top">' .
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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