Annotation of loncom/homework/structuretags.pm, revision 1.430
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.430 ! bisitz 4: # $Id: structuretags.pm,v 1.429 2008/08/26 03:18:29 raeburn 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: $extra_head .= &homework_js();
1.374 albertel 150:
1.425 raeburn 151: unless ($env{'environment.wysiwygeditor'} eq 'on') {
152: $extra_head .= &Apache::lonhtmlcommon::dragmath_js();
153: }
154:
1.344 albertel 155: my %body_args;
156: if (defined($found{'html'})) {
157: $body_args{'skip_phases'}{'head'}=1;
158: } else {
1.343 albertel 159:
1.345 albertel 160: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 161:
1.379 albertel 162: $extra_head .= &Apache::londefdef::generate_css_links();
163:
1.384 albertel 164: if ($env{'request.state'} eq 'construct') {
1.343 albertel 165: $extra_head.=&Apache::edit::js_change_detection().
166: "<script type=\"text/javascript\">\n".
167: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
168: &Apache::loncommon::browser_and_searcher_javascript().
169: "\n</script>\n";
170: }
1.159 albertel 171: }
1.343 albertel 172:
1.344 albertel 173: if (defined($found{'body'})) {
174: $body_args{'skip_phases'}{'body'}=1;
175: } elsif (!defined($found{'body'})
176: && $env{'request.state'} eq 'construct') {
1.343 albertel 177: if ($target eq 'web' || $target eq 'edit') {
1.402 albertel 178: if ($env{'environment.remote'} ne 'off') {
179: $body_args{'only_body'} = 1;
180: }
1.297 albertel 181: }
1.272 albertel 182: } elsif (!defined($found{'body'})) {
1.343 albertel 183: my %add_entries;
1.159 albertel 184: my $background=&Apache::lonxml::get_param('background',$parstack,
185: $safeeval);
1.343 albertel 186: if ($background ne '' ) {
187: $add_entries{'background'} = $background;
188: }
1.344 albertel 189:
1.290 albertel 190: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
191: $safeeval);
1.344 albertel 192: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
193:
194: $body_args{'bgcolor'} = $bgcolor;
195: $body_args{'no_title'} = 1;
196: $body_args{'force_register'} = 1;
197: $body_args{'add_entries'} = \%add_entries;
1.391 albertel 198: if ($env{'environment.remote'} eq 'off'
199: && $env{'request.state'} eq 'construct') {
200: $body_args{'only_body'} = 1;
201: }
1.344 albertel 202: }
1.365 albertel 203: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 204: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
205: \%body_args);
206:
207: if (!defined($found{'body'})
208: && $env{'request.state'} ne 'construct'
209: && ($target eq 'web' || $target eq 'webgrade')) {
210:
1.367 albertel 211: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
1.344 albertel 212: if ($symb eq '' && !$publicuser) {
213: my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
214: $help=&mt("Browsing resource, all submissions are temporary.")."<br />";
215: $page_start .= $help;
1.159 albertel 216: }
1.344 albertel 217: }
218:
1.409 albertel 219: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 220: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 221: }
1.344 albertel 222:
1.159 albertel 223: my $form_tag_start;
224: if (!defined($found{'form'})) {
1.337 albertel 225: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.338 albertel 226: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.327 albertel 227: $form_tag_start.=$uri.'" ';
228: if ($target eq 'edit') {
229: $form_tag_start.=&Apache::edit::form_change_detection();
230: }
1.368 albertel 231: $form_tag_start.='>'."\n";
1.355 albertel 232:
233: my $symb=&Apache::lonnet::symbread();
234: if ($symb =~ /\S/) {
235: $symb=
236: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
237: $form_tag_start.=
1.368 albertel 238: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 239: }
1.159 albertel 240: }
1.343 albertel 241: return ($page_start,$form_tag_start);
1.105 albertel 242: }
243:
1.141 matthew 244: #use Time::HiRes();
1.105 albertel 245: sub get_resource_name {
1.159 albertel 246: my ($parstack,$safeeval)=@_;
1.388 foxr 247: my $name;
1.204 albertel 248: if (defined($Apache::lonhomework::name)) {
1.388 foxr 249: $name = $Apache::lonhomework::name;
250: } else {
251: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 252: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 253: if ($name eq '') {
254: $name=&Apache::lonnet::EXT('resource.title');
255: if ($name eq 'con_lost') { $name = ''; }
256: }
257: if ($name!~/\S+/) {
258: $name=$env{'request.uri'};
259: $name=~s-.*/([^/]+)$-$1-;
260: }
261: # The name has had html tags escaped:
262:
263: $name=~s/</</gs;
264: $name=~s/>/>/gs;
265:
266: $Apache::lonhomework::name=$name;
1.204 albertel 267: }
1.159 albertel 268: return $name;
1.105 albertel 269: }
270:
271: sub setup_rndseed {
1.159 albertel 272: my ($safeeval)=@_;
273: my $rndseed;
1.367 albertel 274: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 275: if ($env{'request.state'} eq "construct"
276: || $symb eq ''
277: || $Apache::lonhomework::type eq 'practice'
278: || $Apache::lonhomework::history{'resource.CODE'}) {
1.316 www 279: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 280: ['rndseed']);
1.284 albertel 281: $rndseed=$env{'form.rndseed'};
1.159 albertel 282: if (!$rndseed) {
1.162 albertel 283: $rndseed=$Apache::lonhomework::history{'rndseed'};
284: if (!$rndseed) {
285: $rndseed=time;
286: }
1.284 albertel 287: $env{'form.rndseed'}=$rndseed;
1.162 albertel 288: }
1.374 albertel 289: if ( ($env{'form.resetdata'} eq &mt('New Problem Variation')
290: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 291: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 292: srand(time);
293: $rndseed=int(rand(2100000000));
1.284 albertel 294: $env{'form.rndseed'}=$rndseed;
295: delete($env{'form.resetdata'});
296: delete($env{'form.newrandomization'});
1.159 albertel 297: }
1.187 albertel 298: if (defined($rndseed) && $rndseed ne int($rndseed)) {
1.307 albertel 299: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
1.187 albertel 300: }
1.247 albertel 301: if ($Apache::lonhomework::history{'resource.CODE'}) {
302: $rndseed=&Apache::lonnet::rndseed();
303: }
1.221 albertel 304: if ($safeeval) {
305: &Apache::lonxml::debug("Setting rndseed to $rndseed");
1.250 albertel 306: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.221 albertel 307: }
1.159 albertel 308: }
309: return $rndseed;
1.105 albertel 310: }
311:
1.268 albertel 312: sub remember_problem_state {
313: return '
1.284 albertel 314: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
315: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
316: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 317: }
318:
1.423 www 319: sub problem_edit_buttons {
320: return '
1.408 albertel 321: <div class="LC_edit_problem_discards">
1.416 raeburn 322: <input type="button" name="submitmode" accesskey="d" value="'.&mt('Discard Edits and View').'" '.
1.423 www 323: ' onclick="javscript:setmode(this.form,'."'discard'".')" />
1.416 raeburn 324: <input '.&Apache::edit::submit_ask_anyway('setmode(this.form,'."'editxml'".')').' type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" />
1.407 albertel 325: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />
1.408 albertel 326: </div>
327: <div class="LC_edit_problem_saves">
1.416 raeburn 328: <input type="submit" name="submitbutton" accesskey="s" value="'.&mt('Save and Edit').'" />
329: <input type="submit" name="submitbutton" accesskey="v" value="'.&mt('Save and View').'" />
1.423 www 330: </div>';
331: }
332:
333: sub problem_edit_header {
334: return '<input type="hidden" name="submitted" value="edit" /><input type="hidden" name="problemmode" value="edit" />'.
335: &Apache::structuretags::remember_problem_state().'
336: <div class="LC_edit_problem_header">
337: <div class="LC_edit_problem_header_title">
338: '.&mt('Problem Editing').&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
339: </div>'.
340: &problem_edit_buttons().'
1.408 albertel 341: <hr class="LC_edit_problem_divide" />
1.409 albertel 342: '.&Apache::lonxml::message_location().'
1.408 albertel 343: </div>
344: '.
1.282 albertel 345: '<table border="0" width="100%"><tr><td bgcolor="#DDDDDD">';
1.105 albertel 346: }
347:
348: sub problem_edit_footer {
1.412 albertel 349: return '</td></tr></table><br />
350: <div class="LC_edit_problem_footer">
1.423 www 351: <hr class="LC_edit_problem_divide" />'.
352: &problem_edit_buttons().'
1.412 albertel 353: <hr class="LC_edit_problem_divide" />
354: </div>
355: '.
356:
1.348 albertel 357: &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields()).
1.342 albertel 358: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 359: }
360:
1.235 albertel 361: sub option {
362: my ($value,$name) = @_;
363: my $result ="<option value='".$value."' ";
1.284 albertel 364: if ($env{'form.'.$name} eq $value) {
1.235 albertel 365: $result.=" selected='on' ";
366: }
367: $result.='>';
368: return $result;
369: }
370:
1.105 albertel 371: sub problem_web_to_edit_header {
1.159 albertel 372: my ($rndseed)=@_;
1.406 albertel 373: my $result .= '<div class="LC_edit_problem_header">';
374:
375: if (!$Apache::lonhomework::parsing_a_task) {
376: $result .=
377: '<div class="LC_edit_problem_header_title">'.
378: &mt('Problem Testing').
379: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
380: '</div>';
381: } else {
382: $result .=
383: '<div class="LC_edit_problem_header_title">'.
384: &mt('Task Testing').
385: '</div>';
386: }
387:
1.315 albertel 388: my $show_all_foils_text =
389: ($Apache::lonhomework::parsing_a_task) ?
390: &mt(' Show All Instances')
391: : &mt(' Show All Foils');
392:
1.406 albertel 393: my $show_all= '<span class="LC_nobreak"><label><input type="checkbox" name="showallfoils" ';
394: if (defined($env{'form.showallfoils'})) { $show_all.='checked="checked"'; }
395: $show_all.= ' />'.$show_all_foils_text.'</label></span>';
396:
397:
1.384 albertel 398:
1.406 albertel 399: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 400: if (!$Apache::lonhomework::parsing_a_task) {
401: $result.="
1.406 albertel 402: <div class='LC_edit_problem_header_row1'>
403: <span class=\"LC_nobreak\">
1.405 albertel 404: ".&mt("Problem Status:")."
1.235 albertel 405: <select name='problemstate'>
1.270 albertel 406: <option value=''></option>
1.235 albertel 407: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
408: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
409: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
410: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
411: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
412: </select>
1.406 albertel 413: </span>
414: <span class=\"LC_nobreak\">
1.405 albertel 415: ".&mt("Problem Type:")."
1.235 albertel 416: <select name='problemtype'>
1.270 albertel 417: <option value=''></option>
1.242 albertel 418: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
1.428 raeburn 419: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 420: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.428 raeburn 421: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</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: $result.='
455: <span class="LC_nobreak">
456: '.&mt('Apply style file: ').'
457: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
458: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
459: </span>
1.422 www 460: </div>
461: <div class="LC_edit_problem_header_row1">'.
462: &Apache::lonxml::renderingoptions().'
1.406 albertel 463: </div>
464: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
465: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
466: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
467: </div>
468: <hr class="LC_edit_problem_divide" />
469: <div class="LC_edit_problem_header_randomize_row">
470: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
471: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
472: <input type="text" name="rndseed" size="10" value="'.
473: $rndseed.'"
474: onchange="javascript:document.lonhomework.changerandseed.click()" />';
475:
476: if (!$Apache::lonhomework::parsing_a_task) {
477: my $numtoanalyze=$env{'form.numtoanalyze'};
478: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 479: $result .= '<span class="LC_nobreak">'.
480: &mt('[_1] for [_2] versions.',
1.416 raeburn 481: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 482: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
483: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 484: $numtoanalyze.'" size="5" />').
485: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
486: '</span>';
487:
1.313 albertel 488: }
1.406 albertel 489:
490: $result.='
491: </div>
1.408 albertel 492: <div class="LC_edit_problem_header_edit_row">';
1.416 raeburn 493: $result.='<input type="hidden" name="problemmode" value="view" />';
494: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
495: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
496: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
497: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.408 albertel 498: $result.='
499: </div>
1.409 albertel 500: '.&Apache::lonxml::message_location().'
1.406 albertel 501: </div>';
1.159 albertel 502: return $result;
1.48 albertel 503: }
504:
1.65 albertel 505: sub initialize_storage {
1.357 albertel 506: my ($given_symb) = @_;
1.353 albertel 507: undef(%Apache::lonhomework::results);
508: undef(%Apache::lonhomework::history);
1.357 albertel 509: my ($symb,$courseid,$domain,$name) =
1.367 albertel 510: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 511:
512: # anonymous users (CODEd exams) have no data
513: if ($name eq 'anonymous'
514: && !defined($domain)) {
515: return;
516: }
517:
1.333 albertel 518: if ($env{'request.state'} eq 'construct'
519: || $symb eq ''
520: || $Apache::lonhomework::type eq 'practice') {
521:
522: my $namespace = $symb || $env{'request.uri'};
523: if ($env{'form.resetdata'} eq &mt('Reset Submissions') ||
1.374 albertel 524: ($env{'form.resetdata'} eq &mt('New Problem Variation')
525: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 526: $env{'form.newrandomization'} eq &mt('New Randomization')) {
527: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
528: &Apache::lonxml::debug("Attempt reset");
529: }
1.159 albertel 530: %Apache::lonhomework::history=
1.333 albertel 531: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.159 albertel 532: my ($temp)=keys %Apache::lonhomework::history ;
533: &Apache::lonxml::debug("Return message of $temp");
534: } else {
535: %Apache::lonhomework::history=
536: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
537: }
1.353 albertel 538:
1.159 albertel 539: #ignore error conditions
1.67 albertel 540: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 541: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 542: }
543:
544: # -------------------------------------------------------------finalize_storage
545: # Stores away the result has to a student's environment
546: # checks form.grade_ for specific values, other wises stores
547: # to the running users environment
1.285 raeburn 548: # Will increment totals for attempts, students, and corrects
549: # if running user has student role.
1.65 albertel 550: sub finalize_storage {
1.357 albertel 551: my ($given_symb) = @_;
1.159 albertel 552: my $result;
1.289 albertel 553: if (%Apache::lonhomework::results) {
1.323 albertel 554: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
555: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 556: my ($symb,$courseid,$domain,$name) =
1.367 albertel 557: &Apache::lonnet::whichuser($given_symb);
1.333 albertel 558: if ($env{'request.state'} eq 'construct'
559: || $symb eq ''
560: || $Apache::lonhomework::type eq 'practice') {
561: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 562: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 563: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 564: $namespace,'',$domain,$name);
1.159 albertel 565: &Apache::lonxml::debug('Construct Store return message:'.$result);
566: } else {
567: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
568: $symb,$courseid,$domain,$name);
569: &Apache::lonxml::debug('Store return message:'.$result);
1.285 raeburn 570: if ($env{'request.role'} =~/^st/) {
571: &store_aggregates($symb,$courseid);
572: }
1.159 albertel 573: }
1.323 albertel 574: } else {
575: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 576: }
1.159 albertel 577: return $result;
1.65 albertel 578: }
579:
1.285 raeburn 580: # -------------------------------------------------------------store_aggregates
581: # Sends hash of values to be incremented in nohist_resourcetracker.db
582: # for the course. Increments total number of attempts, unique students
583: # and corrects for each part for an instance of a problem, as appropriate.
584: sub store_aggregates {
585: my ($symb,$courseid) = @_;
1.286 albertel 586: my %aggregate;
587: my @parts;
1.288 albertel 588: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
589: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 590: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 591: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 592: push(@parts, $1);
1.285 raeburn 593: }
594: }
1.286 albertel 595: foreach my $part (@parts) {
596: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
597: eq 'APPROX_ANS' ||
598: $Apache::lonhomework::results{'resource.'.$part.'.award'}
599: eq 'EXACT_ANS') {
1.287 albertel 600: $aggregate{$symb."\0".$part."\0correct"} = 1;
1.285 raeburn 601: }
1.286 albertel 602: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1.287 albertel 603: $aggregate{$symb."\0".$part."\0users"} = 1;
1.292 raeburn 604: } else {
1.293 albertel 605: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1.292 raeburn 606: if ($last_reset) {
1.293 albertel 607: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1.292 raeburn 608: $aggregate{$symb."\0".$part."\0users"} = 1;
609: }
610: }
1.285 raeburn 611: }
1.287 albertel 612: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 613: }
1.292 raeburn 614: if (keys (%aggregate) > 0) {
1.289 albertel 615: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 616: $cdomain,$cname);
617: }
618: }
1.289 albertel 619:
1.65 albertel 620: sub checkout_msg {
1.211 albertel 621: my %lt=&Apache::lonlocal::texthash(
622: 'resource'=>'The resource needs to be checked out',
623: '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.',
624: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
625: 'checkout'=>'Check out Exam for Viewing',
626: 'checkout?'=>'Check out Exam?');
1.352 albertel 627: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 628: return (<<ENDCHECKOUT);
1.211 albertel 629: <h2>$lt{'resource'}</h2>
630: <p>$lt{'id_expln'}</p>
631: <font color="red">
632: <p>$lt{'warning'}</p>
1.91 albertel 633: </font>
1.352 albertel 634: <form name="checkout" method="POST" action="$uri">
1.91 albertel 635: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 636: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 637: </form>
638: ENDCHECKOUT
639: }
640:
1.252 albertel 641: sub firstaccess_msg {
1.253 albertel 642: my ($time,$symb)=@_;
1.414 albertel 643: my $result;
644: my @interval=&Apache::lonnet::EXT("resource.0.interval");
645: if ($interval[1] eq 'map') {
646: my ($map)=&Apache::lonnet::decode_symb($symb);
647: my $foldertitle=&Apache::lonnet::gettitle($map);
648:
649: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.418 bisitz 650: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
651: .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
652: ,$foldertitle,$time)."</h2>";
1.414 albertel 653: } elsif ($interval[1] eq 'course') {
654: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.418 bisitz 655: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.'
656: .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
657: ,$course,$time)."</h2>";
1.414 albertel 658: } else {
659: my $title=&Apache::lonnet::gettitle($symb);
1.418 bisitz 660: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.'
661: .' Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
662: ,$title,$time)."</h2>";
1.414 albertel 663: }
1.352 albertel 664: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 665: my $buttontext = &mt('Show Resource');
666: my $timertext = &mt('Start Timer?');
1.414 albertel 667: $result .= (<<ENDCHECKOUT);
1.352 albertel 668: <form name="markaccess" method="POST" action="$uri">
1.252 albertel 669: <input type="hidden" name="markaccess" value="yes" />
1.418 bisitz 670: <input type="button" name="accessbutton" value="$buttontext" onClick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 671: </form>
672: ENDCHECKOUT
1.414 albertel 673: return $result;
1.252 albertel 674: }
675:
1.204 albertel 676: sub init_problem_globals {
677: my ($type)=@_;
678: #initialize globals
1.308 foxr 679: # For problems, we start out in part 0 (outside a <part> tag).
680: # and part 0 is used to describe the main body of the <problem>
681: #
1.204 albertel 682: if ($type eq 'problem') {
683: $Apache::inputtags::part='0';
684: @Apache::inputtags::partlist=('0');
1.405 albertel 685: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 686: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 687:
1.266 albertel 688: } elsif ($type eq 'library') {
1.204 albertel 689: $Apache::inputtags::part='';
690: @Apache::inputtags::partlist=();
1.405 albertel 691: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 692: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 693:
1.304 albertel 694: } elsif ($type eq 'Task') {
695: $Apache::inputtags::part='0';
696: @Apache::inputtags::partlist=('0');
1.405 albertel 697: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 698: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 699: }
700: @Apache::inputtags::responselist = ();
701: @Apache::inputtags::importlist = ();
702: @Apache::inputtags::previous=();
703: @Apache::inputtags::previous_version=();
704: $Apache::structuretags::printanswer='No';
705: @Apache::structuretags::whileconds=();
706: @Apache::structuretags::whilebody=();
707: @Apache::structuretags::whileline=();
708: $Apache::lonhomework::scantronmode=0;
709: undef($Apache::lonhomework::name);
1.358 albertel 710: undef($Apache::lonhomework::default_type);
711: undef($Apache::lonhomework::type);
1.204 albertel 712: }
713:
714: sub reset_problem_globals {
715: my ($type)=@_;
716: undef(%Apache::lonhomework::history);
717: undef(%Apache::lonhomework::results);
718: undef($Apache::inputtags::part);
1.208 albertel 719: #don't undef this, lonhomework.pm takes care of this, we use this to
720: #detect if we try to do 2 problems in one file
721: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 722: undef($Apache::lonhomework::name);
1.358 albertel 723: undef($Apache::lonhomework::default_type);
724: undef($Apache::lonhomework::type);
725: undef($Apache::lonhomework::scantronmode);
726: undef($Apache::lonhomework::ignore_response_errors);
1.405 albertel 727: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 728: }
729:
1.241 albertel 730: sub set_problem_state {
1.240 albertel 731: my ($part)=@_;
1.284 albertel 732: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 733: $Apache::lonhomework::history{"resource.$part.solved"}=
734: 'correct_by_student';
735: }
736: }
737:
1.241 albertel 738: sub get_problem_status {
739: my ($part)=@_;
1.267 albertel 740: my $problem_status;
1.284 albertel 741: if ($env{'request.state'} eq 'construct' &&
742: defined($env{'form.problemstatus'})) {
743: $problem_status=$env{'form.problemstatus'};
1.267 albertel 744: } else {
745: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
746: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 747: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 748: }
749: return $problem_status;
750: }
751:
1.9 albertel 752: sub start_problem {
1.326 albertel 753: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 754:
1.311 foxr 755: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 756: if (!$Apache::lonxml::metamode) {
757: &Apache::lonxml::startredirection();
758: }
1.311 foxr 759:
1.308 foxr 760: # Problems don't nest and we don't allow more than one <problem> in
761: # a .problem file.
762: #
1.184 albertel 763: if ( $Apache::inputtags::part ne '' ||
764: $Apache::lonhomework::parsing_a_problem) {
765: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 766: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 767: return '';
768: }
1.184 albertel 769:
770: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 771: &init_problem_globals('problem');
1.166 albertel 772:
1.284 albertel 773: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 774: $Apache::lonhomework::scantronmode=1;
775: }
1.161 albertel 776:
1.159 albertel 777: if ($target ne 'analyze') {
1.415 raeburn 778: my $type = &Apache::lonnet::EXT('resource.0.type');
779: $Apache::lonhomework::type=$type;
1.284 albertel 780: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 781: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 782: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 783: }
1.332 albertel 784: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 785: }
1.164 albertel 786: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 787: my $uri=$env{'request.uri'};
1.159 albertel 788: if ($uri=~/\.(\w+)$/) {
789: $Apache::lonhomework::type=$1;
790: &Apache::lonxml::debug("Using type of $1");
791: } else {
792: $Apache::lonhomework::type='problem';
793: &Apache::lonxml::debug("Using default type, problem, :$uri:");
794: }
1.87 albertel 795: }
1.301 albertel 796: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 797:
1.363 albertel 798: &initialize_storage();
1.389 albertel 799: if ($target ne 'analyze'
800: && $env{'request.state'} eq 'construct') {
801: &set_problem_state('0');
802: }
803:
1.366 albertel 804: if ($target eq 'web') {
805: &Apache::lonxml::debug(" grading history ");
806: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
807: }
1.363 albertel 808:
1.159 albertel 809: #added vars to the scripting enviroment
1.213 albertel 810: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 811: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 812: &Apache::run::run($expression,$safeeval);
1.159 albertel 813: my $status;
814: my $accessmsg;
815:
1.343 albertel 816: my $name= &get_resource_name($parstack,$safeeval);
1.350 albertel 817: my ($result,$form_tag_start);
1.354 albertel 818: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
819: || $target eq 'edit') {
1.350 albertel 820: ($result,$form_tag_start) =
821: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
822: $name);
823: }
824:
1.284 albertel 825: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 826:
827: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
828: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
829: $target eq 'tex') {
830: #handle exam checkout
831: if ($Apache::lonhomework::type eq 'exam') {
832: my $token=
833: $Apache::lonhomework::history{"resource.0.outtoken"};
1.284 albertel 834: if (($env{'form.doescheckout'}) && (!$token)) {
1.159 albertel 835: $token=&Apache::lonxml::maketoken();
836: $Apache::lonhomework::history{"resource.0.outtoken"}=
837: $token;
838: }
1.343 albertel 839: $result.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 840: }
1.284 albertel 841: if ($env{'form.markaccess'}) {
1.414 albertel 842: my @interval=&Apache::lonnet::EXT("resource.0.interval");
843: &Apache::lonnet::set_first_access($interval[1]);
1.252 albertel 844: }
1.159 albertel 845: #handle rand seed in construction space
846: my $rndseed=&setup_rndseed($safeeval);
1.367 albertel 847: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 848: if ($env{'request.state'} ne "construct" &&
849: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 850: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
851: $rndseed.'" />'.
852: '<input type="submit" name="resetdata"
1.334 albertel 853: value="'.&mt('New Problem Variation').'" />';
854: if (exists($env{'form.username'})) {
855: $form_tag_start.=
1.164 albertel 856: '<input type="hidden" name="username"
1.284 albertel 857: value="'.$env{'form.username'}.'" />';
1.334 albertel 858: }
1.333 albertel 859: if ($env{'request.role.adv'}) {
1.267 albertel 860: $form_tag_start.=
1.300 albertel 861: ' <label><input type="checkbox" name="showallfoils" ';
1.284 albertel 862: if (defined($env{'form.showallfoils'})) {
1.267 albertel 863: $form_tag_start.='checked="on"';
864: }
1.300 albertel 865: $form_tag_start.= ' />'.&mt(' Show All Foils').
866: '</label>';
1.267 albertel 867: }
1.417 www 868: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 869: $form_tag_start.=&practice_problem_header();
1.417 www 870: }
1.267 albertel 871: $form_tag_start.='<hr />';
1.162 albertel 872: }
1.324 albertel 873:
874: ($status,$accessmsg,my $slot_name,my $slot) =
875: &Apache::lonhomework::check_slot_access('0','problem');
1.159 albertel 876: push (@Apache::inputtags::status,$status);
1.324 albertel 877:
1.159 albertel 878: my $expression='$external::datestatus="'.$status.'";';
879: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
880: &Apache::run::run($expression,$safeeval);
881: &Apache::lonxml::debug("Got $status");
1.324 albertel 882:
1.159 albertel 883: if (( $status eq 'CLOSED' ) ||
884: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 885: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 886: ( $status eq 'BANNED') ||
1.216 albertel 887: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 888: ( $status eq 'NOT_IN_A_SLOT') ||
1.216 albertel 889: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 890: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
891: $style);
1.159 albertel 892: if ( $target eq "web" ) {
1.343 albertel 893: my $msg;
1.159 albertel 894: if ($status eq 'UNAVAILABLE') {
1.245 albertel 895: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.253 albertel 896: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 897: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 898: }
1.216 albertel 899: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 900: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 901: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 902: $msg.=&checkout_msg();
1.252 albertel 903: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 904: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 905: } elsif ($status eq 'NOT_IN_A_SLOT') {
906: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work.");
1.159 albertel 907: }
908: $result.=$msg.'<br />';
909: } elsif ($target eq 'tex') {
1.332 albertel 910: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
911: : '\begin{minipage}{\textwidth}';
912: $result.='\begin{document}\noindent \vskip 1 mm '.
913: $startminipage.'\vskip 0 mm';
1.159 albertel 914: if ($status eq 'UNAVAILABLE') {
1.211 albertel 915: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 916: } else {
1.211 albertel 917: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 918: }
919: }
1.324 albertel 920: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 921: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
922: $style);
1.324 albertel 923: if ($target eq 'web') {
1.375 albertel 924: $result .=
925: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 926: } elsif ($target eq 'grade') {
927: &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
928: 'problem');
929: }
1.159 albertel 930: } elsif ($target eq 'web') {
1.360 albertel 931: if ($status eq 'CAN_ANSWER'
932: && $slot_name ne ''
933: && $Apache::lonhomework::history{'resource.0.checkedin'} eq '') {
934: # unproctored slot access, self checkin
935: &Apache::bridgetask::check_in('problem',undef,undef,
936: $slot_name);
937: }
1.368 albertel 938: $result.="\n $form_tag_start \t".
1.227 albertel 939: '<input type="hidden" name="submitted" value="yes" />';
940: # create a page header and exit
1.284 albertel 941: if ($env{'request.state'} eq "construct") {
942: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.428 raeburn 943: if ($Apache::lonhomework::type eq 'practice') {
944: $result.= '<input type="submit" name="resetdata" '.
945: 'value="'.&mt('New Problem Variation').'" />'.
946: &practice_problem_header().'<hr />';
947: }
1.227 albertel 948: }
949: # if we are viewing someone else preserve that info
1.284 albertel 950: if (defined $env{'form.grade_symb'}) {
1.227 albertel 951: foreach my $field ('symb','courseid','domain','username') {
952: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 953: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 954: }
955: }
956: } elsif ($target eq 'tex') {
1.319 foxr 957: $result .= 'INSERTTEXFRONTMATTERHERE';
958:
1.99 sakharuk 959: }
1.159 albertel 960: } elsif ($target eq 'edit') {
1.343 albertel 961: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 962: $Apache::lonxml::warnings_error_header=
963: &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 964: my $temp=&Apache::edit::insertlist($target,$token);
965: $result.=$temp;
966: } elsif ($target eq 'modified') {
967: $result=$token->[4];
968: } else {
969: # page_start returned a starting result, delete it if we don't need it
970: $result = '';
1.99 sakharuk 971: }
1.159 albertel 972: return $result;
1.9 albertel 973: }
974:
975: sub end_problem {
1.159 albertel 976: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 977: my $result;
1.310 foxr 978:
1.321 albertel 979: if (!$Apache::lonxml::metamode) {
980: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 981: $Apache::lonxml::post_evaluate=0;
1.321 albertel 982: }
1.319 foxr 983:
984: if ($target eq 'tex') {
1.321 albertel 985: # Figure out the front matter and replace the
986: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
987: # this in end_problem because whether or not we display due
988: # dates depends on whether due dates have already been
989: # displayed in the problem parts.
990:
1.319 foxr 991: my $frontmatter = '';
992: my $startminipage = '';
993: if (not $env{'form.problem_split'}=~/yes/) {
994: $startminipage = '\begin{minipage}{\textwidth}';
995: }
996: my $id = $Apache::inputtags::part;
997: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
998: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
999: my @packages = split /,/,$packages;
1000: my $allow_print_points = 0;
1001: foreach my $partial_key (@packages) {
1002: if ($partial_key=~m/^part_0$/) {
1003: $allow_print_points=1;
1004: }
1005: }
1006: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1007: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1008: if (lc($env{'course.'.$env{'request.course.id'}.
1009: '.disableexampointprint'}) eq 'yes') {
1010: $allow_print_points=0;
1011: }
1012: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1013: 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 ';
1014: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1015: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1016:
1017: # Figure out what the due date is and if we need to print
1018: # it in the problem header. We have been logging the
1019: # last due date written to file.
1020:
1021: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1022: my $duedate = POSIX::strftime("%c",localtime($duetime));
1023: my $temp_file;
1024: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1025:
1026: # Figure out what the last printed due date is or set it
1027: # to the epoch if no duedates have been printed.
1028:
1029: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1030: if (-e $filename) {
1031: $temp_file = Apache::File->new($filename);
1032: my @due_file = <$temp_file>;
1033: $due_file_content = $due_file[$#due_file];
1034: chomp $due_file_content;
1035: }
1036:
1037: # We display the due date iff it is not the same as the last
1038: # duedate in problem header ($due_file_content), and
1039: # none of our parts displayed a duedate.
1040: #
1041: my $parts_with_displayduedate;
1042: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1043: $parts_with_displayduedate =
1044: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1045: } else {
1046: $parts_with_displayduedate = 0;
1047: }
1048: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1049: $temp_file = Apache::File->new('>'.$filename);
1050: print $temp_file "$duetime\n";
1051: if (not $env{'request.symb'} =~ m/\.page_/) {
1052: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1053: $frontmatter .= $begin_doc.
1054: '\textit{Due date: '.$duedate.'} '.$toc_line;
1055: } else {
1056: $frontmatter.= $begin_doc.$toc_line;
1057: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1058: }
1059: } else {
1.381 albertel 1060: $frontmatter .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\'.$startminipage;
1.319 foxr 1061: }
1062: } else {
1063: if (not $env{'request.symb'} =~ m/\.page_/) {
1064: $frontmatter .= $begin_doc.$toc_line;
1065: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1066: } else {
1.381 albertel 1067: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1068: }
1069: }
1070: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1071: }
1072:
1.159 albertel 1073: my $status=$Apache::inputtags::status['-1'];
1074: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1075: $target eq 'tex') {
1.249 albertel 1076: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1077: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1078: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1079: &Apache::inputtags::grade;
1.324 albertel 1080: } elsif ($status eq 'NEEDS_CHECKIN') {
1081: # no need to grade, and don't want to hide data
1.249 albertel 1082: } else {
1083: # move any submission data to .hidden
1084: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1085: }
1.159 albertel 1086: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1087: $Apache::inputtags::part eq '0' &&
1.252 albertel 1088: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 1089: # if part is zero, no <part>s existed, so we need show the current
1090: # grading status
1091: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1092: $result.= $gradestatus;
1093: }
1094: if (
1.284 albertel 1095: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1096: ($target eq 'answer') || ($target eq 'tex')
1097: ) {
1.227 albertel 1098: if ($target ne 'tex' &&
1.284 albertel 1099: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 1100: $result.="</form>";
1.348 albertel 1101: $result.= &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields());
1.159 albertel 1102: }
1103: if ($target eq 'web') {
1.346 albertel 1104: $result.= &Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1105: } elsif ($target eq 'tex') {
1.178 sakharuk 1106: my $endminipage = '';
1.284 albertel 1107: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1108: $endminipage = '\end{minipage}';
1109: }
1.284 albertel 1110: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1111: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1112: } else {
1.262 sakharuk 1113: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1114: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1115: $result .= $endminipage.'\end{document} ';
1116: } else {
1.382 albertel 1117: $result .= $endminipage;
1.262 sakharuk 1118: }
1.159 albertel 1119: }
1120: }
1121: }
1122: if ($target eq 'grade') {
1123: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1124: &finalize_storage();
1125: }
1.284 albertel 1126: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
1127: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 1128: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 1129: # normally we get it from above, but in CSTR
1.172 albertel 1130: # we always show answer mode too.
1.159 albertel 1131: }
1132: } elsif ($target eq 'meta') {
1133: if ($Apache::inputtags::part eq '0') {
1.179 albertel 1134: @Apache::inputtags::response=();
1.159 albertel 1135: $result=&Apache::response::mandatory_part_meta;
1136: }
1.215 albertel 1137: $result.=&Apache::response::meta_part_order();
1.258 albertel 1138: $result.=&Apache::response::meta_response_order();
1.159 albertel 1139: } elsif ($target eq 'edit') {
1140: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 1141: $result .= &problem_edit_footer();
1.320 albertel 1142: } elsif ($target eq 'modified') {
1143: $result .= $token->[2];
1.159 albertel 1144: }
1.155 albertel 1145:
1.284 albertel 1146: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 1147: &Apache::inputtags::check_for_duplicate_ids();
1148: }
1.204 albertel 1149:
1150: &reset_problem_globals('problem');
1.159 albertel 1151:
1152: return $result;
1.48 albertel 1153: }
1154:
1.108 albertel 1155:
1.48 albertel 1156: sub start_library {
1.159 albertel 1157: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 1158: my ($result,$form_tag_start);
1.371 albertel 1159: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 1160: &init_problem_globals('library');
1161: $Apache::lonhomework::type='problem';
1162: }
1.159 albertel 1163: if ($target eq 'edit') {
1.343 albertel 1164: ($result,$form_tag_start)=
1165: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1166: 'Edit');
1167: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 1168: my $temp=&Apache::edit::insertlist($target,$token);
1169: $result.=$temp;
1170: } elsif ($target eq 'modified') {
1171: $result=$token->[4];
1.340 albertel 1172: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 1173: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 1174: && $env{'request.state'} eq "construct" ) {
1.159 albertel 1175: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 1176: ($result,$form_tag_start)=
1177: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1178: $name);
1.159 albertel 1179: my $rndseed=&setup_rndseed($safeeval);
1.343 albertel 1180: $result.=" \n $form_tag_start".
1.159 albertel 1181: '<input type="hidden" name="submitted" value="yes" />';
1182: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 1183: if ($Apache::lonhomework::type eq 'practice') {
1184: $result.= '<input type="submit" name="resetdata" '.
1185: 'value="'.&mt('New Problem Variation').'" />'.
1186: &practice_problem_header().'<hr />';
1187: }
1.159 albertel 1188: }
1189: return $result;
1.48 albertel 1190: }
1191:
1192: sub end_library {
1.159 albertel 1193: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1194: my $result='';
1195: if ($target eq 'edit') {
1196: $result=&problem_edit_footer();
1.371 albertel 1197: } elsif ($target eq 'web'
1198: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1199: && $env{'request.state'} eq "construct") {
1.349 albertel 1200: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1201: }
1.371 albertel 1202: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1203: &reset_problem_globals('library');
1204: }
1.159 albertel 1205: return $result;
1.197 www 1206: }
1207:
1208: sub start_definetag {
1.326 albertel 1209: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 1210:
1211: my $result;
1212:
1213: my $name = $token->[2]->{'name'};
1.326 albertel 1214: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 1215: if ($target eq 'web') {
1216: if ($name=~/^\//) {
1217: $result=
1218: '<br /><table class="LC_sty_end"><tr><th>'.
1219: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1220: } else {
1221: $result=
1222: '<br /><table class="LC_sty_begin"><tr><th>'.
1223: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1224: }
1225: $skip = &HTML::Entities::encode($skip, '<>&"');
1226: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 1227: }
1228: return $result;
1229: }
1230:
1231: sub end_definetag {
1232: return '';
1.1 albertel 1233: }
1234:
1235: sub start_block {
1.201 albertel 1236: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 1237:
1238: my $result;
1.1 albertel 1239:
1.339 albertel 1240: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1241: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 1242: my $code = $token->[2]->{'condition'};
1.385 albertel 1243: if (defined($code) && $code ne '') {
1.137 albertel 1244: if (!$Apache::lonxml::default_homework_loaded) {
1245: &Apache::lonxml::default_homework_load($safeeval);
1246: }
1.131 albertel 1247: $result = &Apache::run::run($code,$safeeval);
1248: &Apache::lonxml::debug("block :$code: returned :$result:");
1249: } else {
1250: $result='1';
1251: }
1252: if ( ! $result ) {
1.201 albertel 1253: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 1254: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1255: }
1256: $result='';
1257: } elsif ($target eq 'edit') {
1258: $result .=&Apache::edit::tag_start($target,$token);
1259: $result .=&Apache::edit::text_arg('Test Condition:','condition',
1260: $token,40);
1261: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1262: } elsif ($target eq 'modified') {
1263: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1264: $safeeval,'condition');
1265: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 1266: }
1.131 albertel 1267: return $result;
1.1 albertel 1268: }
1269:
1270: sub end_block {
1.167 www 1271: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1272: my $result;
1273: if ($target eq "edit") {
1274: $result.= &Apache::edit::tag_end($target,$token,'');
1275: }
1276: return $result;
1277: }
1278:
1279: sub start_languageblock {
1.201 albertel 1280: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 1281:
1282: my $result;
1283:
1.339 albertel 1284: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1285: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 1286: my $include = $token->[2]->{'include'};
1287: my $exclude = $token->[2]->{'exclude'};
1.398 www 1288: my @preferred_languages=&Apache::loncommon::preferred_languages();
1.394 www 1289: # This should not even happen, since we should at least have the server language
1.398 www 1290: if (!$preferred_languages[0]) { $preferred_languages[0]='en'; }
1291: # Now loop over all languages in order of preference
1292: foreach my $preferred_language (@preferred_languages) {
1.394 www 1293: # If the languageblock has no arguments, show the contents
1.399 www 1294: $result=1;
1295: my $found=0;
1.394 www 1296: # Do we have an include argument?
1.398 www 1297: if ($include) {
1.394 www 1298: # If include is specified, by default, don't render the block
1.399 www 1299: $result=0;
1.398 www 1300: foreach my $included_language (split(/\,/,$include)) {
1.394 www 1301: # ... but if my preferred language is included, render it
1.398 www 1302: if ($included_language eq $preferred_language) {
1.399 www 1303: $result=1;
1304: $found=1;
1.398 www 1305: }
1306: }
1307: }
1.394 www 1308: # Do we have an exclude argument?
1.398 www 1309: if ($exclude) {
1.399 www 1310: $result=1;
1.398 www 1311: foreach my $excluded_language (split(/\,/,$exclude)) {
1312: if ($excluded_language eq $preferred_language) {
1.399 www 1313: $result=0;
1314: $found=1;
1.398 www 1315: }
1316: }
1317: }
1.399 www 1318: if ($found) { last; }
1.398 www 1319: }
1.201 albertel 1320: if ( ! $result ) {
1321: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
1322: $style);
1323: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1324: }
1325: $result='';
1.167 www 1326: } elsif ($target eq 'edit') {
1327: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1328: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 1329: $token,40);
1.211 albertel 1330: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 1331: $token,40);
1332: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1333: } elsif ($target eq 'modified') {
1334: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 1335: $safeeval,'include',
1336: 'exclude');
1.167 www 1337: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1338: }
1339: return $result;
1340: }
1341:
1342: sub end_languageblock {
1.170 www 1343: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1344: my $result;
1.201 albertel 1345: if ($target eq "edit") {
1.170 www 1346: $result.= &Apache::edit::tag_end($target,$token,'');
1347: }
1348: return $result;
1349: }
1350:
1.397 albertel 1351: {
1352: my %available_texts;
1353: sub start_translated {
1354: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1355: &Apache::lonxml::register('Apache::structuretags',('lang'));
1356: undef(%available_texts);
1357: }
1358:
1359: sub end_translated {
1360: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1361: my $result;
1362: #show the translation on viewable targets
1363: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
1364: # or non-viewable targets, if it's embedded in something that
1365: # wants the output
1366: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
1367: && &Apache::lonxml::in_redirection() ) ) {
1368: my @possibilities = keys(%available_texts);
1369: my $which =
1370: &Apache::loncommon::languages(\@possibilities) || 'default';
1371: $result = $available_texts{$which};
1372: }
1373: undef(%available_texts);
1374: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
1375: return $result;
1376: }
1377:
1378:
1379: sub start_lang {
1380: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1381: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1382: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1383: &Apache::lonxml::startredirection();
1384: }
1385: return '';
1386: }
1387:
1388: sub end_lang {
1389: my ($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: my $result = &Apache::lonxml::endredirection();
1393: my $which = &Apache::lonxml::get_param('which',$parstack,
1394: $safeeval);
1.427 bisitz 1395: foreach my $language (split(/\s*\,\s*/,$which)) {
1396: unless ($language=~/\w/) { next; }
1397: $available_texts{$language} = $result;
1398: }
1399:
1.397 albertel 1400: }
1401: return '';
1402: }
1403: }
1404:
1.170 www 1405: sub start_instructorcomment {
1.201 albertel 1406: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 1407:
1408: my $result;
1409:
1.339 albertel 1410: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1411: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.284 albertel 1412: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
1413: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 1414: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
1415: $parser,$style);
1.170 www 1416: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1417: }
1418: $result='';
1419: } elsif ($target eq 'edit') {
1420: $result .=&Apache::edit::tag_start($target,$token);
1421: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1422: }
1423: return $result;
1424: }
1425:
1426: sub end_instructorcomment {
1.159 albertel 1427: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1428: my $result;
1429: if ($target eq "edit") {
1430: $result.= &Apache::edit::tag_end($target,$token,'');
1431: }
1432: return $result;
1.4 tsai 1433: }
1434:
1435: sub start_while {
1.326 albertel 1436: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1437:
1.160 albertel 1438: my $result;
1.339 albertel 1439: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1440: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1441: my $code = $token->[2]->{'condition'};
1.4 tsai 1442:
1.160 albertel 1443: push( @Apache::structuretags::whileconds, $code);
1444: if (!$Apache::lonxml::default_homework_loaded) {
1445: &Apache::lonxml::default_homework_load($safeeval);
1446: }
1447: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 1448: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 1449: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 1450: push( @Apache::structuretags::whileline, $token->[5]);
1451: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 1452: if ( $result ) {
1453: &Apache::lonxml::newparser($parser,\$bodytext);
1454: }
1455: } elsif ($target eq 'edit') {
1456: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1457: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 1458: $token,40);
1459: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1460: } elsif ($target eq 'modified') {
1461: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1462: $safeeval,'condition');
1463: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 1464: }
1.160 albertel 1465: return $result;
1.4 tsai 1466: }
1467:
1468: sub end_while {
1.159 albertel 1469: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1470: my $result;
1471:
1.339 albertel 1472: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1473: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1474: my $code = pop(@Apache::structuretags::whileconds);
1475: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1476: my $line = pop(@Apache::structuretags::whileline);
1477: my $return = &Apache::run::run($code,$safeeval);
1478: my $starttime=time;
1479: my $error=0;
1480: while ($return) {
1481: if (time-$starttime >
1482: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 1483: $return = 0; $error=1; next;
1.161 albertel 1484: }
1485: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 1486: if ($target eq 'grade' || $target eq 'answer' ||
1487: $target eq 'analyze') {
1488: # grade/answer/analyze should produce no output but if we
1489: # are redirecting, the redirecter should know what to do
1490: # with the output
1491: if (!$Apache::lonxml::redirection) { undef($result); }
1492: }
1.161 albertel 1493: $return = &Apache::run::run($code,$safeeval);
1494: }
1495: if ($error) {
1.430 ! bisitz 1496: &Apache::lonxml::error('<pre>'.&mt('Code ran too long. It ran for more than').' '.$Apache::lonnet::perlvar{'lonScriptTimeout'}.' '.&mt('seconds occurred while running <while> on line').' '.$line.'</pre>');
1.160 albertel 1497: }
1498: } elsif ($target eq "edit") {
1499: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1500: }
1.160 albertel 1501: return $result;
1.1 albertel 1502: }
1.6 tsai 1503:
1.160 albertel 1504: # <randomlist show="1">
1.6 tsai 1505: # <tag1>..</tag1>
1506: # <tag2>..</tag2>
1507: # <tag3>..</tag3>
1.160 albertel 1508: # ...
1.6 tsai 1509: # </randomlist>
1510: sub start_randomlist {
1.326 albertel 1511: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1512: my $result;
1.339 albertel 1513: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1514: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 1515: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 1516: my $b_parser= HTML::LCParser->new(\$body);
1517: $b_parser->xml_mode(1);
1518: $b_parser->marked_sections(1);
1.159 albertel 1519: my $b_tok;
1520: my @randomlist;
1521: my $list_item;
1522: while($b_tok = $b_parser->get_token() ) {
1523: if($b_tok->[0] eq 'S') { # start tag
1524: # get content of the tag until matching end tag
1525: # get all text upto the matching tag
1526: # and push the content into @randomlist
1527: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1528: $b_parser);
1529: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1530: push(@randomlist,$list_item);
1531: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1532: # $list_item</b>";
1533: }
1534: if($b_tok->[0] eq 'T') { # text
1535: # what to do with text in between tags?
1536: # print "<b>TEXT $b_tok->[1]</b><br />";
1537: }
1538: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1539: # print "<b>END-TAG $b_tok->[1]</b><br />";
1540: # }
1541: }
1.303 albertel 1542: if (@randomlist) {
1543: my @idx_arr = (0 .. $#randomlist);
1544: &Apache::structuretags::shuffle(\@idx_arr);
1545: my $bodytext = '';
1546: my $show=$#randomlist;
1547: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1548: $showarg--;
1549: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1550: for(0 .. $show) {
1551: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1552: }
1553: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 1554: }
1555: } elsif ($target eq 'edit' ) {
1556: $result .=&Apache::edit::tag_start($target,$token);
1557: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1558: $token,5);
1559: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1560: } elsif ($target eq 'modified' ) {
1561: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1562: $safeeval,'show');
1563: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1564: }
1565: return $result;
1.7 tsai 1566: }
1567:
1568: sub shuffle {
1569: my $a=shift;
1570: my $i;
1.303 albertel 1571: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 1572: &Apache::response::pushrandomnumber();
1.159 albertel 1573: for($i=@$a;--$i;) {
1574: my $j=int(&Math::Random::random_uniform() * ($i+1));
1575: next if $i == $j;
1576: @$a[$i,$j] = @$a[$j,$i];
1577: }
1.251 albertel 1578: &Apache::response::poprandomnumber();
1.7 tsai 1579: }
1.6 tsai 1580: }
1581:
1582: sub end_randomlist {
1.159 albertel 1583: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1584: my $result;
1585: if ($target eq 'edit' ) {
1586: $result=&Apache::edit::tag_end($target,$token,
1587: 'End Randomly Parsed Block');
1588: }
1589: return $result;
1.6 tsai 1590: }
1591:
1.283 albertel 1592: sub ordered_show_check {
1593: my $last_part=$Apache::inputtags::partlist[-2];
1594: my $in_order=
1595: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1596: my $in_order_show=1;
1597: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1598: $in_order_show=&Apache::response::check_status($last_part);
1599: }
1600: return $in_order_show;
1601: }
1602:
1.11 albertel 1603: sub start_part {
1.326 albertel 1604: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 1605: if (!$Apache::lonxml::metamode) {
1606: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
1607: # duedates.
1608: }
1.159 albertel 1609: my $result='';
1.386 albertel 1610: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 1611: $Apache::inputtags::part=$id;
1.177 albertel 1612: push(@Apache::inputtags::partlist,$id);
1613: @Apache::inputtags::response=();
1.159 albertel 1614: @Apache::inputtags::previous=();
1615: @Apache::inputtags::previous_version=();
1.405 albertel 1616: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 1617: &Apache::response::reset_params();
1618:
1.159 albertel 1619: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1620: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1621: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1622: my $in_order_show=&ordered_show_check();
1.214 albertel 1623: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1624: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1625: &Apache::run::run($expression,$safeeval);
1.159 albertel 1626:
1627: if ($target eq 'meta') {
1.224 www 1628: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1629: return &Apache::response::mandatory_part_meta.
1630: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1631: } elsif ($target eq 'web' || $target eq 'grade' ||
1632: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1633: if ($hidden || !$in_order_show) {
1.326 albertel 1634: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 1635: } else {
1636: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1637: push (@Apache::inputtags::status,$status);
1638: my $expression='$external::datestatus="'.$status.'";';
1639: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1640: &Apache::run::run($expression,$safeeval);
1.284 albertel 1641: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1642: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1643: }
1.216 albertel 1644: if (( $status eq 'CLOSED' ) ||
1645: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1646: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1647: ( $status eq 'BANNED') ||
1648: ( $status eq 'UNAVAILABLE') ||
1649: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 1650: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
1651: $style);
1.159 albertel 1652: if ( $target eq "web" ) {
1.211 albertel 1653: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1654: } elsif ( $target eq 'tex' ) {
1.284 albertel 1655: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1656: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1657: } else {
1.211 albertel 1658: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1659: }
1.159 albertel 1660: }
1661: } else {
1662: if ($target eq 'tex') {
1.284 albertel 1663: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1664: if ($$tagstack[-2] eq 'td') {
1.388 foxr 1665: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 1666: } else {
1667: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1668: }
1.195 sakharuk 1669: }
1.159 albertel 1670: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1671: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1672: my @allkeys = split /,/,$allkeys;
1673: my $allow_print_points = 0;
1674: foreach my $partial_key (@allkeys) {
1.230 albertel 1675: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1676: if ($1 ne '0') {$allow_print_points=1;}
1677: }
1678: }
1.275 albertel 1679: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1680: if (defined($maxtries) && $maxtries < 0) {
1681: $allow_print_points=0;
1682: }
1.302 albertel 1683: if (lc($env{'course.'.$env{'request.course.id'}.
1684: '.disableexampointprint'}) eq 'yes') {
1685: $allow_print_points=0;
1686: }
1.222 sakharuk 1687: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1688: } elsif ($target eq 'web') {
1.356 www 1689: $result.='<a name="'.&escape($Apache::inputtags::part).'" />';
1.159 albertel 1690: }
1691: }
1692: }
1693: } elsif ($target eq 'edit') {
1694: $result.=&Apache::edit::tag_start($target,$token);
1695: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1696: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1697: ' '.
1698: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1699: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1700: } elsif ($target eq 'modified') {
1701: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1702: $safeeval,'id','display');
1.159 albertel 1703: if ($constructtag) {
1.225 albertel 1704: #limiting ids to only letters numbers, and space
1.224 www 1705: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1706: $result = &Apache::edit::rebuild_tag($token);
1707: }
1708: }
1709: return $result;
1.11 albertel 1710: }
1711:
1712: sub end_part {
1.159 albertel 1713: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1714: &Apache::lonxml::debug("in end_part $target ");
1715: my $status=$Apache::inputtags::status['-1'];
1716: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1717: my $in_order_show=&ordered_show_check();
1.321 albertel 1718: my $result;
1719: if (!$Apache::lonxml::metamode) {
1720: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 1721: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1722: }
1.312 albertel 1723: if ($target eq 'grade') {
1.249 albertel 1724: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1725: !$hidden && $in_order_show) {
1.311 foxr 1726: $result.=&Apache::inputtags::grade;
1.249 albertel 1727: } else {
1728: # move any submission data to .hidden
1729: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1730: }
1.283 albertel 1731: } elsif (($target eq 'web' || $target eq 'tex') &&
1732: !$hidden && $in_order_show) {
1.159 albertel 1733: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1734: $target);
1.212 albertel 1735: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1736: $gradestatus='';
1737: }
1.311 foxr 1738: $result.=$gradestatus;
1.265 sakharuk 1739: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1740: } elsif ($target eq 'edit') {
1.311 foxr 1741: $result.=&Apache::edit::end_table();
1.322 albertel 1742: } elsif ($target eq 'modified') {
1743: $result .= $token->[2];
1.159 albertel 1744: }
1745: pop @Apache::inputtags::status;
1746: $Apache::inputtags::part='';
1.295 albertel 1747: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 1748: return $result;
1.11 albertel 1749: }
1.1 albertel 1750:
1.25 albertel 1751: sub start_preduedate {
1.326 albertel 1752: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 1753: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1754: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 1755: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 1756: if (!$Apache::lonhomework::scantronmode &&
1757: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1758: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1759: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 1760: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 1761: }
1.24 albertel 1762: }
1.159 albertel 1763: return '';
1.24 albertel 1764: }
1765:
1.25 albertel 1766: sub end_preduedate {
1.159 albertel 1767: return '';
1.24 albertel 1768: }
1769:
1.369 foxr 1770: # In all the modes where <postanswerdate> text is
1771: # displayable, all we do is eat up the text between the start/stop
1772: # tags if the conditions are not right to display it.
1.25 albertel 1773: sub start_postanswerdate {
1.326 albertel 1774: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 1775: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
1776: &Apache::lonnet::allowed('pav',
1777: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 1778: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 1779: $target eq 'tex' ) {
1.300 albertel 1780: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 1781: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
1782: (($target eq 'tex') && !$pav)) {
1.326 albertel 1783: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 1784: }
1785: }
1786: return '';
1.24 albertel 1787: }
1788:
1.25 albertel 1789: sub end_postanswerdate {
1.159 albertel 1790: return '';
1.24 albertel 1791: }
1792:
1.25 albertel 1793: sub start_notsolved {
1.326 albertel 1794: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1795: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 1796: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 1797: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1798: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1799: if ($gradestatus =~ /^correct/ &&
1800: &Apache::response::show_answer()) {
1.159 albertel 1801: &Apache::lonxml::debug("skipping");
1.326 albertel 1802: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 1803: }
1.24 albertel 1804: }
1.159 albertel 1805: return '';
1.24 albertel 1806: }
1807:
1.25 albertel 1808: sub end_notsolved {
1.159 albertel 1809: return '';
1.24 albertel 1810: }
1811:
1812: sub start_solved {
1.326 albertel 1813: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1814: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1815: $target eq 'tex') {
1816: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1817: if ($gradestatus !~ /^correct/ ||
1818: !&Apache::response::show_answer()) {
1.326 albertel 1819: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 1820: }
1.24 albertel 1821: }
1.159 albertel 1822: return '';
1.24 albertel 1823: }
1824:
1825: sub end_solved {
1.248 albertel 1826: return '';
1827: }
1828:
1829: sub start_problemtype {
1.326 albertel 1830: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 1831: my $result;
1.339 albertel 1832: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1833: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 1834: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1835: if (!defined($mode)) { $mode='show'; }
1836: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1837: my $found=0;
1838: foreach my $type (split(',',$for)) {
1839: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1840: }
1841: if ($mode eq 'show' && !$found) {
1.326 albertel 1842: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1843: }
1844: if ($mode eq 'hide' && $found) {
1.326 albertel 1845: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1846: }
1847: } elsif ($target eq 'edit') {
1848: $result .=&Apache::edit::tag_start($target,$token);
1849: $result.=&Apache::edit::select_arg('Mode:','mode',
1850: [['show','Show'],
1851: ['hide','Hide']]
1852: ,$token);
1853: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1854: [ ['exam','Exam/Quiz Problem'],
1855: ['survey','Survey'],
1.428 raeburn 1856: ['problem','Homework Problem'],
1857: ['practice','Practice Problem'] ]
1.248 albertel 1858: ,$token);
1859: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1860: } elsif ($target eq 'modified') {
1861: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1862: $safeeval,'mode','for');
1863: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1864: }
1865: return $result;
1866: }
1867:
1868: sub end_problemtype {
1.159 albertel 1869: return '';
1.24 albertel 1870: }
1.34 albertel 1871:
1872: sub start_startouttext {
1.159 albertel 1873: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1874: my @result=(''.'');
1875: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 1876:
1877: my $nesting =
1878: &Apache::lonxml::set_state('outtext',
1879: &Apache::lonxml::get_state('outtext')+1);
1880: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
1881: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
1882: }
1.159 albertel 1883: return (@result);
1.34 albertel 1884: }
1.159 albertel 1885:
1.34 albertel 1886: sub end_startouttext {
1.326 albertel 1887: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1888: my $result='';
1889: my $text='';
1890: if ($target eq 'edit') {
1.424 foxr 1891: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 1892: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.211 albertel 1893: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1894: <td>".&mt('Delete:').
1.159 albertel 1895: &Apache::edit::deletelist($target,$token)
1.426 felicia 1896: ."</td>";
1.425 raeburn 1897: unless ($env{'environment.wysiwygeditor'} eq 'on') {
1898: $result.='<td align="left">'
1899: .&Apache::lonhtmlcommon::dragmath_button($areaid,1)
1.429 raeburn 1900: .'</td>'
1901: .'<td>'
1902: .&Apache::edit::insertlist($target,$token)
1903: .'</td>';
1.425 raeburn 1904: }
1905: $result.='<td align="right" valign="top">' .
1.362 albertel 1906: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 1907: &Apache::edit::end_row().
1.362 albertel 1908: &Apache::edit::start_spanning_row()."\n".
1.255 www 1909: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 1910: }
1911: if ($target eq 'modified') {
1.219 albertel 1912: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1913: }
1914: if ($target eq 'tex') {
1915: $result .= '\noindent ';
1916: }
1917: return $result;
1.34 albertel 1918: }
1.159 albertel 1919:
1.34 albertel 1920: sub start_endouttext {
1.159 albertel 1921: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1922: my $result='';
1923: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1924: if ($target eq "modified") {
1925: $result='<endouttext />'.
1.377 albertel 1926: &Apache::edit::handle_insertafter('startouttext');
1927: }
1.404 albertel 1928:
1929: my $nesting =
1930: &Apache::lonxml::set_state('outtext',
1931: &Apache::lonxml::get_state('outtext')-1);
1932: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
1933: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
1934: &Apache::lonxml::set_state('outtext', 0);
1935: }
1.159 albertel 1936: return $result;
1.34 albertel 1937: }
1.159 albertel 1938:
1.34 albertel 1939: sub end_endouttext {
1.159 albertel 1940: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1941: my @result=('','');
1942: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1943: return (@result);
1.34 albertel 1944: }
1.159 albertel 1945:
1.45 albertel 1946: sub delete_startouttext {
1.326 albertel 1947: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1948: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 1949: my $text=$$parser['-1']->get_text("/endouttext");
1950: my $ntoken=$$parser['-1']->get_token();
1951: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1952: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1953: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1954: # they did the last time round
1955: &Apache::lonxml::increasedepth($ntoken);
1956: &Apache::lonxml::decreasedepth($ntoken);
1957: return 1;
1.193 www 1958: }
1959:
1960: sub start_simpleeditbutton {
1961: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1962: my $result='';
1.284 albertel 1963: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 1964: ($target eq 'web') &&
1.330 albertel 1965: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 1966: my $url=$env{'request.noversionuri'};
1.193 www 1967: $url=~s/\?.*$//;
1.367 albertel 1968: my ($symb) = &Apache::lonnet::whichuser();
1.194 www 1969: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.356 www 1970: '<a href="'.$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 1971: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1972: }
1973: return $result;
1974: }
1975:
1976: sub end_simpleeditbutton {
1977: return '';
1.45 albertel 1978: }
1.34 albertel 1979:
1.428 raeburn 1980: sub practice_problem_header {
1981: return '<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
1982: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
1983: '</span>';
1984: }
1985:
1.1 albertel 1986: 1;
1987: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to structuretags.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework