Annotation of loncom/homework/structuretags.pm, revision 1.422
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.422 ! www 4: # $Id: structuretags.pm,v 1.421 2008/05/27 22:25:56 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: $result.='
455: <span class="LC_nobreak">
456: '.&mt('Apply style file: ').'
457: <input type="text" name="style_file" value="'.&HTML::Entities::encode($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') {
869: $form_tag_start.='<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
870: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').'</span>';
871: }
1.267 albertel 872: $form_tag_start.='<hr />';
1.162 albertel 873: }
1.324 albertel 874:
875: ($status,$accessmsg,my $slot_name,my $slot) =
876: &Apache::lonhomework::check_slot_access('0','problem');
1.159 albertel 877: push (@Apache::inputtags::status,$status);
1.324 albertel 878:
1.159 albertel 879: my $expression='$external::datestatus="'.$status.'";';
880: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
881: &Apache::run::run($expression,$safeeval);
882: &Apache::lonxml::debug("Got $status");
1.324 albertel 883:
1.159 albertel 884: if (( $status eq 'CLOSED' ) ||
885: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 886: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 887: ( $status eq 'BANNED') ||
1.216 albertel 888: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 889: ( $status eq 'NOT_IN_A_SLOT') ||
1.216 albertel 890: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 891: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
892: $style);
1.159 albertel 893: if ( $target eq "web" ) {
1.343 albertel 894: my $msg;
1.159 albertel 895: if ($status eq 'UNAVAILABLE') {
1.245 albertel 896: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.253 albertel 897: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 898: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 899: }
1.216 albertel 900: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 901: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 902: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 903: $msg.=&checkout_msg();
1.252 albertel 904: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 905: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 906: } elsif ($status eq 'NOT_IN_A_SLOT') {
907: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work.");
1.159 albertel 908: }
909: $result.=$msg.'<br />';
910: } elsif ($target eq 'tex') {
1.332 albertel 911: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
912: : '\begin{minipage}{\textwidth}';
913: $result.='\begin{document}\noindent \vskip 1 mm '.
914: $startminipage.'\vskip 0 mm';
1.159 albertel 915: if ($status eq 'UNAVAILABLE') {
1.211 albertel 916: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 917: } else {
1.211 albertel 918: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 919: }
920: }
1.324 albertel 921: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 922: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
923: $style);
1.324 albertel 924: if ($target eq 'web') {
1.375 albertel 925: $result .=
926: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 927: } elsif ($target eq 'grade') {
928: &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
929: 'problem');
930: }
1.159 albertel 931: } elsif ($target eq 'web') {
1.360 albertel 932: if ($status eq 'CAN_ANSWER'
933: && $slot_name ne ''
934: && $Apache::lonhomework::history{'resource.0.checkedin'} eq '') {
935: # unproctored slot access, self checkin
936: &Apache::bridgetask::check_in('problem',undef,undef,
937: $slot_name);
938: }
1.368 albertel 939: $result.="\n $form_tag_start \t".
1.227 albertel 940: '<input type="hidden" name="submitted" value="yes" />';
941: # create a page header and exit
1.284 albertel 942: if ($env{'request.state'} eq "construct") {
943: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.227 albertel 944: }
945: # if we are viewing someone else preserve that info
1.284 albertel 946: if (defined $env{'form.grade_symb'}) {
1.227 albertel 947: foreach my $field ('symb','courseid','domain','username') {
948: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 949: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 950: }
951: }
952: } elsif ($target eq 'tex') {
1.319 foxr 953: $result .= 'INSERTTEXFRONTMATTERHERE';
954:
1.99 sakharuk 955: }
1.159 albertel 956: } elsif ($target eq 'edit') {
1.343 albertel 957: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 958: $Apache::lonxml::warnings_error_header=
959: &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 960: my $temp=&Apache::edit::insertlist($target,$token);
961: $result.=$temp;
962: } elsif ($target eq 'modified') {
963: $result=$token->[4];
964: } else {
965: # page_start returned a starting result, delete it if we don't need it
966: $result = '';
1.99 sakharuk 967: }
1.159 albertel 968: return $result;
1.9 albertel 969: }
970:
971: sub end_problem {
1.159 albertel 972: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 973: my $result;
1.310 foxr 974:
1.321 albertel 975: if (!$Apache::lonxml::metamode) {
976: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 977: $Apache::lonxml::post_evaluate=0;
1.321 albertel 978: }
1.319 foxr 979:
980: if ($target eq 'tex') {
1.321 albertel 981: # Figure out the front matter and replace the
982: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
983: # this in end_problem because whether or not we display due
984: # dates depends on whether due dates have already been
985: # displayed in the problem parts.
986:
1.319 foxr 987: my $frontmatter = '';
988: my $startminipage = '';
989: if (not $env{'form.problem_split'}=~/yes/) {
990: $startminipage = '\begin{minipage}{\textwidth}';
991: }
992: my $id = $Apache::inputtags::part;
993: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
994: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
995: my @packages = split /,/,$packages;
996: my $allow_print_points = 0;
997: foreach my $partial_key (@packages) {
998: if ($partial_key=~m/^part_0$/) {
999: $allow_print_points=1;
1000: }
1001: }
1002: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1003: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1004: if (lc($env{'course.'.$env{'request.course.id'}.
1005: '.disableexampointprint'}) eq 'yes') {
1006: $allow_print_points=0;
1007: }
1008: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1009: 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 ';
1010: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1011: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1012:
1013: # Figure out what the due date is and if we need to print
1014: # it in the problem header. We have been logging the
1015: # last due date written to file.
1016:
1017: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1018: my $duedate = POSIX::strftime("%c",localtime($duetime));
1019: my $temp_file;
1020: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1021:
1022: # Figure out what the last printed due date is or set it
1023: # to the epoch if no duedates have been printed.
1024:
1025: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1026: if (-e $filename) {
1027: $temp_file = Apache::File->new($filename);
1028: my @due_file = <$temp_file>;
1029: $due_file_content = $due_file[$#due_file];
1030: chomp $due_file_content;
1031: }
1032:
1033: # We display the due date iff it is not the same as the last
1034: # duedate in problem header ($due_file_content), and
1035: # none of our parts displayed a duedate.
1036: #
1037: my $parts_with_displayduedate;
1038: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1039: $parts_with_displayduedate =
1040: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1041: } else {
1042: $parts_with_displayduedate = 0;
1043: }
1044: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1045: $temp_file = Apache::File->new('>'.$filename);
1046: print $temp_file "$duetime\n";
1047: if (not $env{'request.symb'} =~ m/\.page_/) {
1048: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1049: $frontmatter .= $begin_doc.
1050: '\textit{Due date: '.$duedate.'} '.$toc_line;
1051: } else {
1052: $frontmatter.= $begin_doc.$toc_line;
1053: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1054: }
1055: } else {
1.381 albertel 1056: $frontmatter .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\'.$startminipage;
1.319 foxr 1057: }
1058: } else {
1059: if (not $env{'request.symb'} =~ m/\.page_/) {
1060: $frontmatter .= $begin_doc.$toc_line;
1061: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1062: } else {
1.381 albertel 1063: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1064: }
1065: }
1066: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1067: }
1068:
1.159 albertel 1069: my $status=$Apache::inputtags::status['-1'];
1070: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1071: $target eq 'tex') {
1.249 albertel 1072: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1073: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1074: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1075: &Apache::inputtags::grade;
1.324 albertel 1076: } elsif ($status eq 'NEEDS_CHECKIN') {
1077: # no need to grade, and don't want to hide data
1.249 albertel 1078: } else {
1079: # move any submission data to .hidden
1080: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1081: }
1.159 albertel 1082: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1083: $Apache::inputtags::part eq '0' &&
1.252 albertel 1084: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 1085: # if part is zero, no <part>s existed, so we need show the current
1086: # grading status
1087: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1088: $result.= $gradestatus;
1089: }
1090: if (
1.284 albertel 1091: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1092: ($target eq 'answer') || ($target eq 'tex')
1093: ) {
1.227 albertel 1094: if ($target ne 'tex' &&
1.284 albertel 1095: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 1096: $result.="</form>";
1.348 albertel 1097: $result.= &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields());
1.159 albertel 1098: }
1099: if ($target eq 'web') {
1.346 albertel 1100: $result.= &Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1101: } elsif ($target eq 'tex') {
1.178 sakharuk 1102: my $endminipage = '';
1.284 albertel 1103: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1104: $endminipage = '\end{minipage}';
1105: }
1.284 albertel 1106: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1107: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1108: } else {
1.262 sakharuk 1109: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1110: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1111: $result .= $endminipage.'\end{document} ';
1112: } else {
1.382 albertel 1113: $result .= $endminipage;
1.262 sakharuk 1114: }
1.159 albertel 1115: }
1116: }
1117: }
1118: if ($target eq 'grade') {
1119: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1120: &finalize_storage();
1121: }
1.284 albertel 1122: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
1123: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 1124: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 1125: # normally we get it from above, but in CSTR
1.172 albertel 1126: # we always show answer mode too.
1.159 albertel 1127: }
1128: } elsif ($target eq 'meta') {
1129: if ($Apache::inputtags::part eq '0') {
1.179 albertel 1130: @Apache::inputtags::response=();
1.159 albertel 1131: $result=&Apache::response::mandatory_part_meta;
1132: }
1.215 albertel 1133: $result.=&Apache::response::meta_part_order();
1.258 albertel 1134: $result.=&Apache::response::meta_response_order();
1.159 albertel 1135: } elsif ($target eq 'edit') {
1136: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 1137: $result .= &problem_edit_footer();
1.320 albertel 1138: } elsif ($target eq 'modified') {
1139: $result .= $token->[2];
1.159 albertel 1140: }
1.155 albertel 1141:
1.284 albertel 1142: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 1143: &Apache::inputtags::check_for_duplicate_ids();
1144: }
1.204 albertel 1145:
1146: &reset_problem_globals('problem');
1.159 albertel 1147:
1148: return $result;
1.48 albertel 1149: }
1150:
1.108 albertel 1151:
1.48 albertel 1152: sub start_library {
1.159 albertel 1153: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 1154: my ($result,$form_tag_start);
1.371 albertel 1155: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 1156: &init_problem_globals('library');
1157: $Apache::lonhomework::type='problem';
1158: }
1.159 albertel 1159: if ($target eq 'edit') {
1.343 albertel 1160: ($result,$form_tag_start)=
1161: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1162: 'Edit');
1163: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 1164: my $temp=&Apache::edit::insertlist($target,$token);
1165: $result.=$temp;
1166: } elsif ($target eq 'modified') {
1167: $result=$token->[4];
1.340 albertel 1168: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 1169: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 1170: && $env{'request.state'} eq "construct" ) {
1.159 albertel 1171: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 1172: ($result,$form_tag_start)=
1173: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1174: $name);
1.159 albertel 1175: my $rndseed=&setup_rndseed($safeeval);
1.343 albertel 1176: $result.=" \n $form_tag_start".
1.159 albertel 1177: '<input type="hidden" name="submitted" value="yes" />';
1178: $result.=&problem_web_to_edit_header($rndseed);
1179: }
1180: return $result;
1.48 albertel 1181: }
1182:
1183: sub end_library {
1.159 albertel 1184: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1185: my $result='';
1186: if ($target eq 'edit') {
1187: $result=&problem_edit_footer();
1.371 albertel 1188: } elsif ($target eq 'web'
1189: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1190: && $env{'request.state'} eq "construct") {
1.349 albertel 1191: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1192: }
1.371 albertel 1193: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1194: &reset_problem_globals('library');
1195: }
1.159 albertel 1196: return $result;
1.197 www 1197: }
1198:
1199: sub start_definetag {
1.326 albertel 1200: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 1201:
1202: my $result;
1203:
1204: my $name = $token->[2]->{'name'};
1.326 albertel 1205: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 1206: if ($target eq 'web') {
1207: if ($name=~/^\//) {
1208: $result=
1209: '<br /><table class="LC_sty_end"><tr><th>'.
1210: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1211: } else {
1212: $result=
1213: '<br /><table class="LC_sty_begin"><tr><th>'.
1214: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1215: }
1216: $skip = &HTML::Entities::encode($skip, '<>&"');
1217: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 1218: }
1219: return $result;
1220: }
1221:
1222: sub end_definetag {
1223: return '';
1.1 albertel 1224: }
1225:
1226: sub start_block {
1.201 albertel 1227: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 1228:
1229: my $result;
1.1 albertel 1230:
1.339 albertel 1231: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1232: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 1233: my $code = $token->[2]->{'condition'};
1.385 albertel 1234: if (defined($code) && $code ne '') {
1.137 albertel 1235: if (!$Apache::lonxml::default_homework_loaded) {
1236: &Apache::lonxml::default_homework_load($safeeval);
1237: }
1.131 albertel 1238: $result = &Apache::run::run($code,$safeeval);
1239: &Apache::lonxml::debug("block :$code: returned :$result:");
1240: } else {
1241: $result='1';
1242: }
1243: if ( ! $result ) {
1.201 albertel 1244: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 1245: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1246: }
1247: $result='';
1248: } elsif ($target eq 'edit') {
1249: $result .=&Apache::edit::tag_start($target,$token);
1250: $result .=&Apache::edit::text_arg('Test Condition:','condition',
1251: $token,40);
1252: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1253: } elsif ($target eq 'modified') {
1254: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1255: $safeeval,'condition');
1256: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 1257: }
1.131 albertel 1258: return $result;
1.1 albertel 1259: }
1260:
1261: sub end_block {
1.167 www 1262: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1263: my $result;
1264: if ($target eq "edit") {
1265: $result.= &Apache::edit::tag_end($target,$token,'');
1266: }
1267: return $result;
1268: }
1269:
1270: sub start_languageblock {
1.201 albertel 1271: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 1272:
1273: my $result;
1274:
1.339 albertel 1275: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1276: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 1277: my $include = $token->[2]->{'include'};
1278: my $exclude = $token->[2]->{'exclude'};
1.398 www 1279: my @preferred_languages=&Apache::loncommon::preferred_languages();
1.394 www 1280: # This should not even happen, since we should at least have the server language
1.398 www 1281: if (!$preferred_languages[0]) { $preferred_languages[0]='en'; }
1282: # Now loop over all languages in order of preference
1283: foreach my $preferred_language (@preferred_languages) {
1.394 www 1284: # If the languageblock has no arguments, show the contents
1.399 www 1285: $result=1;
1286: my $found=0;
1.394 www 1287: # Do we have an include argument?
1.398 www 1288: if ($include) {
1.394 www 1289: # If include is specified, by default, don't render the block
1.399 www 1290: $result=0;
1.398 www 1291: foreach my $included_language (split(/\,/,$include)) {
1.394 www 1292: # ... but if my preferred language is included, render it
1.398 www 1293: if ($included_language eq $preferred_language) {
1.399 www 1294: $result=1;
1295: $found=1;
1.398 www 1296: }
1297: }
1298: }
1.394 www 1299: # Do we have an exclude argument?
1.398 www 1300: if ($exclude) {
1.399 www 1301: $result=1;
1.398 www 1302: foreach my $excluded_language (split(/\,/,$exclude)) {
1303: if ($excluded_language eq $preferred_language) {
1.399 www 1304: $result=0;
1305: $found=1;
1.398 www 1306: }
1307: }
1308: }
1.399 www 1309: if ($found) { last; }
1.398 www 1310: }
1.201 albertel 1311: if ( ! $result ) {
1312: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
1313: $style);
1314: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1315: }
1316: $result='';
1.167 www 1317: } elsif ($target eq 'edit') {
1318: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1319: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 1320: $token,40);
1.211 albertel 1321: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 1322: $token,40);
1323: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1324: } elsif ($target eq 'modified') {
1325: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 1326: $safeeval,'include',
1327: 'exclude');
1.167 www 1328: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1329: }
1330: return $result;
1331: }
1332:
1333: sub end_languageblock {
1.170 www 1334: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1335: my $result;
1.201 albertel 1336: if ($target eq "edit") {
1.170 www 1337: $result.= &Apache::edit::tag_end($target,$token,'');
1338: }
1339: return $result;
1340: }
1341:
1.397 albertel 1342: {
1343: my %available_texts;
1344: sub start_translated {
1345: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1346: &Apache::lonxml::register('Apache::structuretags',('lang'));
1347: undef(%available_texts);
1348: }
1349:
1350: sub end_translated {
1351: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1352: my $result;
1353: #show the translation on viewable targets
1354: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
1355: # or non-viewable targets, if it's embedded in something that
1356: # wants the output
1357: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
1358: && &Apache::lonxml::in_redirection() ) ) {
1359: my @possibilities = keys(%available_texts);
1360: my $which =
1361: &Apache::loncommon::languages(\@possibilities) || 'default';
1362: $result = $available_texts{$which};
1363: }
1364: undef(%available_texts);
1365: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
1366: return $result;
1367: }
1368:
1369:
1370: sub start_lang {
1371: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1372: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1373: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1374: &Apache::lonxml::startredirection();
1375: }
1376: return '';
1377: }
1378:
1379: sub end_lang {
1380: my ($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: my $result = &Apache::lonxml::endredirection();
1384: my $which = &Apache::lonxml::get_param('which',$parstack,
1385: $safeeval);
1386: $available_texts{$which} = $result;
1387: }
1388: return '';
1389: }
1390: }
1391:
1.170 www 1392: sub start_instructorcomment {
1.201 albertel 1393: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 1394:
1395: my $result;
1396:
1.339 albertel 1397: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1398: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.284 albertel 1399: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
1400: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 1401: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
1402: $parser,$style);
1.170 www 1403: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1404: }
1405: $result='';
1406: } elsif ($target eq 'edit') {
1407: $result .=&Apache::edit::tag_start($target,$token);
1408: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1409: }
1410: return $result;
1411: }
1412:
1413: sub end_instructorcomment {
1.159 albertel 1414: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1415: my $result;
1416: if ($target eq "edit") {
1417: $result.= &Apache::edit::tag_end($target,$token,'');
1418: }
1419: return $result;
1.4 tsai 1420: }
1421:
1422: sub start_while {
1.326 albertel 1423: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1424:
1.160 albertel 1425: my $result;
1.339 albertel 1426: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1427: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1428: my $code = $token->[2]->{'condition'};
1.4 tsai 1429:
1.160 albertel 1430: push( @Apache::structuretags::whileconds, $code);
1431: if (!$Apache::lonxml::default_homework_loaded) {
1432: &Apache::lonxml::default_homework_load($safeeval);
1433: }
1434: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 1435: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 1436: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 1437: push( @Apache::structuretags::whileline, $token->[5]);
1438: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 1439: if ( $result ) {
1440: &Apache::lonxml::newparser($parser,\$bodytext);
1441: }
1442: } elsif ($target eq 'edit') {
1443: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1444: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 1445: $token,40);
1446: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1447: } elsif ($target eq 'modified') {
1448: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1449: $safeeval,'condition');
1450: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 1451: }
1.160 albertel 1452: return $result;
1.4 tsai 1453: }
1454:
1455: sub end_while {
1.159 albertel 1456: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1457: my $result;
1458:
1.339 albertel 1459: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1460: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1461: my $code = pop(@Apache::structuretags::whileconds);
1462: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1463: my $line = pop(@Apache::structuretags::whileline);
1464: my $return = &Apache::run::run($code,$safeeval);
1465: my $starttime=time;
1466: my $error=0;
1467: while ($return) {
1468: if (time-$starttime >
1469: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 1470: $return = 0; $error=1; next;
1.161 albertel 1471: }
1472: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 1473: if ($target eq 'grade' || $target eq 'answer' ||
1474: $target eq 'analyze') {
1475: # grade/answer/analyze should produce no output but if we
1476: # are redirecting, the redirecter should know what to do
1477: # with the output
1478: if (!$Apache::lonxml::redirection) { undef($result); }
1479: }
1.161 albertel 1480: $return = &Apache::run::run($code,$safeeval);
1481: }
1482: if ($error) {
1.270 albertel 1483: &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 1484: }
1485: } elsif ($target eq "edit") {
1486: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1487: }
1.160 albertel 1488: return $result;
1.1 albertel 1489: }
1.6 tsai 1490:
1.160 albertel 1491: # <randomlist show="1">
1.6 tsai 1492: # <tag1>..</tag1>
1493: # <tag2>..</tag2>
1494: # <tag3>..</tag3>
1.160 albertel 1495: # ...
1.6 tsai 1496: # </randomlist>
1497: sub start_randomlist {
1.326 albertel 1498: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1499: my $result;
1.339 albertel 1500: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1501: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 1502: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 1503: my $b_parser= HTML::LCParser->new(\$body);
1504: $b_parser->xml_mode(1);
1505: $b_parser->marked_sections(1);
1.159 albertel 1506: my $b_tok;
1507: my @randomlist;
1508: my $list_item;
1509: while($b_tok = $b_parser->get_token() ) {
1510: if($b_tok->[0] eq 'S') { # start tag
1511: # get content of the tag until matching end tag
1512: # get all text upto the matching tag
1513: # and push the content into @randomlist
1514: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1515: $b_parser);
1516: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1517: push(@randomlist,$list_item);
1518: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1519: # $list_item</b>";
1520: }
1521: if($b_tok->[0] eq 'T') { # text
1522: # what to do with text in between tags?
1523: # print "<b>TEXT $b_tok->[1]</b><br />";
1524: }
1525: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1526: # print "<b>END-TAG $b_tok->[1]</b><br />";
1527: # }
1528: }
1.303 albertel 1529: if (@randomlist) {
1530: my @idx_arr = (0 .. $#randomlist);
1531: &Apache::structuretags::shuffle(\@idx_arr);
1532: my $bodytext = '';
1533: my $show=$#randomlist;
1534: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1535: $showarg--;
1536: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1537: for(0 .. $show) {
1538: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1539: }
1540: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 1541: }
1542: } elsif ($target eq 'edit' ) {
1543: $result .=&Apache::edit::tag_start($target,$token);
1544: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1545: $token,5);
1546: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1547: } elsif ($target eq 'modified' ) {
1548: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1549: $safeeval,'show');
1550: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1551: }
1552: return $result;
1.7 tsai 1553: }
1554:
1555: sub shuffle {
1556: my $a=shift;
1557: my $i;
1.303 albertel 1558: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 1559: &Apache::response::pushrandomnumber();
1.159 albertel 1560: for($i=@$a;--$i;) {
1561: my $j=int(&Math::Random::random_uniform() * ($i+1));
1562: next if $i == $j;
1563: @$a[$i,$j] = @$a[$j,$i];
1564: }
1.251 albertel 1565: &Apache::response::poprandomnumber();
1.7 tsai 1566: }
1.6 tsai 1567: }
1568:
1569: sub end_randomlist {
1.159 albertel 1570: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1571: my $result;
1572: if ($target eq 'edit' ) {
1573: $result=&Apache::edit::tag_end($target,$token,
1574: 'End Randomly Parsed Block');
1575: }
1576: return $result;
1.6 tsai 1577: }
1578:
1.283 albertel 1579: sub ordered_show_check {
1580: my $last_part=$Apache::inputtags::partlist[-2];
1581: my $in_order=
1582: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1583: my $in_order_show=1;
1584: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1585: $in_order_show=&Apache::response::check_status($last_part);
1586: }
1587: return $in_order_show;
1588: }
1589:
1.11 albertel 1590: sub start_part {
1.326 albertel 1591: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 1592: if (!$Apache::lonxml::metamode) {
1593: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
1594: # duedates.
1595: }
1.159 albertel 1596: my $result='';
1.386 albertel 1597: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 1598: $Apache::inputtags::part=$id;
1.177 albertel 1599: push(@Apache::inputtags::partlist,$id);
1600: @Apache::inputtags::response=();
1.159 albertel 1601: @Apache::inputtags::previous=();
1602: @Apache::inputtags::previous_version=();
1.405 albertel 1603: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 1604: &Apache::response::reset_params();
1605:
1.159 albertel 1606: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1607: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1608: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1609: my $in_order_show=&ordered_show_check();
1.214 albertel 1610: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1611: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1612: &Apache::run::run($expression,$safeeval);
1.159 albertel 1613:
1614: if ($target eq 'meta') {
1.224 www 1615: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1616: return &Apache::response::mandatory_part_meta.
1617: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1618: } elsif ($target eq 'web' || $target eq 'grade' ||
1619: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1620: if ($hidden || !$in_order_show) {
1.326 albertel 1621: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 1622: } else {
1623: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1624: push (@Apache::inputtags::status,$status);
1625: my $expression='$external::datestatus="'.$status.'";';
1626: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1627: &Apache::run::run($expression,$safeeval);
1.284 albertel 1628: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1629: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1630: }
1.216 albertel 1631: if (( $status eq 'CLOSED' ) ||
1632: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1633: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1634: ( $status eq 'BANNED') ||
1635: ( $status eq 'UNAVAILABLE') ||
1636: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 1637: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
1638: $style);
1.159 albertel 1639: if ( $target eq "web" ) {
1.211 albertel 1640: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1641: } elsif ( $target eq 'tex' ) {
1.284 albertel 1642: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1643: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1644: } else {
1.211 albertel 1645: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1646: }
1.159 albertel 1647: }
1648: } else {
1649: if ($target eq 'tex') {
1.284 albertel 1650: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1651: if ($$tagstack[-2] eq 'td') {
1.388 foxr 1652: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 1653: } else {
1654: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1655: }
1.195 sakharuk 1656: }
1.159 albertel 1657: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1658: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1659: my @allkeys = split /,/,$allkeys;
1660: my $allow_print_points = 0;
1661: foreach my $partial_key (@allkeys) {
1.230 albertel 1662: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1663: if ($1 ne '0') {$allow_print_points=1;}
1664: }
1665: }
1.275 albertel 1666: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1667: if (defined($maxtries) && $maxtries < 0) {
1668: $allow_print_points=0;
1669: }
1.302 albertel 1670: if (lc($env{'course.'.$env{'request.course.id'}.
1671: '.disableexampointprint'}) eq 'yes') {
1672: $allow_print_points=0;
1673: }
1.222 sakharuk 1674: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1675: } elsif ($target eq 'web') {
1.356 www 1676: $result.='<a name="'.&escape($Apache::inputtags::part).'" />';
1.159 albertel 1677: }
1678: }
1679: }
1680: } elsif ($target eq 'edit') {
1681: $result.=&Apache::edit::tag_start($target,$token);
1682: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1683: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1684: ' '.
1685: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1686: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1687: } elsif ($target eq 'modified') {
1688: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1689: $safeeval,'id','display');
1.159 albertel 1690: if ($constructtag) {
1.225 albertel 1691: #limiting ids to only letters numbers, and space
1.224 www 1692: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1693: $result = &Apache::edit::rebuild_tag($token);
1694: }
1695: }
1696: return $result;
1.11 albertel 1697: }
1698:
1699: sub end_part {
1.159 albertel 1700: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1701: &Apache::lonxml::debug("in end_part $target ");
1702: my $status=$Apache::inputtags::status['-1'];
1703: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1704: my $in_order_show=&ordered_show_check();
1.321 albertel 1705: my $result;
1706: if (!$Apache::lonxml::metamode) {
1707: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 1708: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1709: }
1.312 albertel 1710: if ($target eq 'grade') {
1.249 albertel 1711: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1712: !$hidden && $in_order_show) {
1.311 foxr 1713: $result.=&Apache::inputtags::grade;
1.249 albertel 1714: } else {
1715: # move any submission data to .hidden
1716: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1717: }
1.283 albertel 1718: } elsif (($target eq 'web' || $target eq 'tex') &&
1719: !$hidden && $in_order_show) {
1.159 albertel 1720: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1721: $target);
1.212 albertel 1722: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1723: $gradestatus='';
1724: }
1.311 foxr 1725: $result.=$gradestatus;
1.265 sakharuk 1726: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1727: } elsif ($target eq 'edit') {
1.311 foxr 1728: $result.=&Apache::edit::end_table();
1.322 albertel 1729: } elsif ($target eq 'modified') {
1730: $result .= $token->[2];
1.159 albertel 1731: }
1732: pop @Apache::inputtags::status;
1733: $Apache::inputtags::part='';
1.295 albertel 1734: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 1735: return $result;
1.11 albertel 1736: }
1.1 albertel 1737:
1.25 albertel 1738: sub start_preduedate {
1.326 albertel 1739: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 1740: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1741: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 1742: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 1743: if (!$Apache::lonhomework::scantronmode &&
1744: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1745: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1746: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 1747: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 1748: }
1.24 albertel 1749: }
1.159 albertel 1750: return '';
1.24 albertel 1751: }
1752:
1.25 albertel 1753: sub end_preduedate {
1.159 albertel 1754: return '';
1.24 albertel 1755: }
1756:
1.369 foxr 1757: # In all the modes where <postanswerdate> text is
1758: # displayable, all we do is eat up the text between the start/stop
1759: # tags if the conditions are not right to display it.
1.25 albertel 1760: sub start_postanswerdate {
1.326 albertel 1761: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 1762: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
1763: &Apache::lonnet::allowed('pav',
1764: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 1765: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 1766: $target eq 'tex' ) {
1.300 albertel 1767: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 1768: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
1769: (($target eq 'tex') && !$pav)) {
1.326 albertel 1770: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 1771: }
1772: }
1773: return '';
1.24 albertel 1774: }
1775:
1.25 albertel 1776: sub end_postanswerdate {
1.159 albertel 1777: return '';
1.24 albertel 1778: }
1779:
1.25 albertel 1780: sub start_notsolved {
1.326 albertel 1781: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1782: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 1783: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 1784: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1785: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1786: if ($gradestatus =~ /^correct/ &&
1787: &Apache::response::show_answer()) {
1.159 albertel 1788: &Apache::lonxml::debug("skipping");
1.326 albertel 1789: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 1790: }
1.24 albertel 1791: }
1.159 albertel 1792: return '';
1.24 albertel 1793: }
1794:
1.25 albertel 1795: sub end_notsolved {
1.159 albertel 1796: return '';
1.24 albertel 1797: }
1798:
1799: sub start_solved {
1.326 albertel 1800: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1801: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1802: $target eq 'tex') {
1803: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1804: if ($gradestatus !~ /^correct/ ||
1805: !&Apache::response::show_answer()) {
1.326 albertel 1806: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 1807: }
1.24 albertel 1808: }
1.159 albertel 1809: return '';
1.24 albertel 1810: }
1811:
1812: sub end_solved {
1.248 albertel 1813: return '';
1814: }
1815:
1816: sub start_problemtype {
1.326 albertel 1817: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 1818: my $result;
1.339 albertel 1819: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1820: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 1821: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1822: if (!defined($mode)) { $mode='show'; }
1823: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1824: my $found=0;
1825: foreach my $type (split(',',$for)) {
1826: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1827: }
1828: if ($mode eq 'show' && !$found) {
1.326 albertel 1829: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1830: }
1831: if ($mode eq 'hide' && $found) {
1.326 albertel 1832: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1833: }
1834: } elsif ($target eq 'edit') {
1835: $result .=&Apache::edit::tag_start($target,$token);
1836: $result.=&Apache::edit::select_arg('Mode:','mode',
1837: [['show','Show'],
1838: ['hide','Hide']]
1839: ,$token);
1840: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1841: [ ['exam','Exam/Quiz Problem'],
1842: ['survey','Survey'],
1843: ['problem','Homework Problem'] ]
1844: ,$token);
1845: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1846: } elsif ($target eq 'modified') {
1847: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1848: $safeeval,'mode','for');
1849: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1850: }
1851: return $result;
1852: }
1853:
1854: sub end_problemtype {
1.159 albertel 1855: return '';
1.24 albertel 1856: }
1.34 albertel 1857:
1858: sub start_startouttext {
1.159 albertel 1859: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1860: my @result=(''.'');
1861: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 1862:
1863: my $nesting =
1864: &Apache::lonxml::set_state('outtext',
1865: &Apache::lonxml::get_state('outtext')+1);
1866: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
1867: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
1868: }
1.159 albertel 1869: return (@result);
1.34 albertel 1870: }
1.159 albertel 1871:
1.34 albertel 1872: sub end_startouttext {
1.326 albertel 1873: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1874: my $result='';
1875: my $text='';
1876:
1877: if ($target eq 'edit') {
1.326 albertel 1878: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.211 albertel 1879: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1880: <td>".&mt('Delete:').
1.159 albertel 1881: &Apache::edit::deletelist($target,$token)
1882: ."</td>
1.42 albertel 1883: <td>".
1.159 albertel 1884: &Apache::edit::insertlist($target,$token).
1.362 albertel 1885: '</td><td align="right" valign="top">' .
1886: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 1887: &Apache::edit::end_row().
1.362 albertel 1888: &Apache::edit::start_spanning_row()."\n".
1.255 www 1889: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 1890: }
1891: if ($target eq 'modified') {
1.219 albertel 1892: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1893: }
1894: if ($target eq 'tex') {
1895: $result .= '\noindent ';
1896: }
1897: return $result;
1.34 albertel 1898: }
1.159 albertel 1899:
1.34 albertel 1900: sub start_endouttext {
1.159 albertel 1901: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1902: my $result='';
1903: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1904: if ($target eq "modified") {
1905: $result='<endouttext />'.
1.377 albertel 1906: &Apache::edit::handle_insertafter('startouttext');
1907: }
1.404 albertel 1908:
1909: my $nesting =
1910: &Apache::lonxml::set_state('outtext',
1911: &Apache::lonxml::get_state('outtext')-1);
1912: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
1913: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
1914: &Apache::lonxml::set_state('outtext', 0);
1915: }
1.159 albertel 1916: return $result;
1.34 albertel 1917: }
1.159 albertel 1918:
1.34 albertel 1919: sub end_endouttext {
1.159 albertel 1920: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1921: my @result=('','');
1922: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1923: return (@result);
1.34 albertel 1924: }
1.159 albertel 1925:
1.45 albertel 1926: sub delete_startouttext {
1.326 albertel 1927: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1928: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 1929: my $text=$$parser['-1']->get_text("/endouttext");
1930: my $ntoken=$$parser['-1']->get_token();
1931: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1932: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1933: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1934: # they did the last time round
1935: &Apache::lonxml::increasedepth($ntoken);
1936: &Apache::lonxml::decreasedepth($ntoken);
1937: return 1;
1.193 www 1938: }
1939:
1940: sub start_simpleeditbutton {
1941: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1942: my $result='';
1.284 albertel 1943: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 1944: ($target eq 'web') &&
1.330 albertel 1945: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 1946: my $url=$env{'request.noversionuri'};
1.193 www 1947: $url=~s/\?.*$//;
1.367 albertel 1948: my ($symb) = &Apache::lonnet::whichuser();
1.194 www 1949: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.356 www 1950: '<a href="'.$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 1951: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1952: }
1953: return $result;
1954: }
1955:
1956: sub end_simpleeditbutton {
1957: return '';
1.45 albertel 1958: }
1.34 albertel 1959:
1.1 albertel 1960: 1;
1961: __END__
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