Annotation of loncom/homework/structuretags.pm, revision 1.417
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.417 ! www 4: # $Id: structuretags.pm,v 1.416 2008/01/15 03:09:09 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: $extra_head .= &homework_js();
1.374 albertel 150:
1.344 albertel 151: my %body_args;
152: if (defined($found{'html'})) {
153: $body_args{'skip_phases'}{'head'}=1;
154: } else {
1.343 albertel 155:
1.345 albertel 156: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 157:
1.379 albertel 158: $extra_head .= &Apache::londefdef::generate_css_links();
159:
1.384 albertel 160: if ($env{'request.state'} eq 'construct') {
1.343 albertel 161: $extra_head.=&Apache::edit::js_change_detection().
162: "<script type=\"text/javascript\">\n".
163: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
164: &Apache::loncommon::browser_and_searcher_javascript().
165: "\n</script>\n";
166: }
1.159 albertel 167: }
1.343 albertel 168:
1.344 albertel 169: if (defined($found{'body'})) {
170: $body_args{'skip_phases'}{'body'}=1;
171: } elsif (!defined($found{'body'})
172: && $env{'request.state'} eq 'construct') {
1.343 albertel 173: if ($target eq 'web' || $target eq 'edit') {
1.402 albertel 174: if ($env{'environment.remote'} ne 'off') {
175: $body_args{'only_body'} = 1;
176: }
1.297 albertel 177: }
1.272 albertel 178: } elsif (!defined($found{'body'})) {
1.343 albertel 179: my %add_entries;
1.159 albertel 180: my $background=&Apache::lonxml::get_param('background',$parstack,
181: $safeeval);
1.343 albertel 182: if ($background ne '' ) {
183: $add_entries{'background'} = $background;
184: }
1.344 albertel 185:
1.290 albertel 186: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
187: $safeeval);
1.344 albertel 188: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
189:
190: $body_args{'bgcolor'} = $bgcolor;
191: $body_args{'no_title'} = 1;
192: $body_args{'force_register'} = 1;
193: $body_args{'add_entries'} = \%add_entries;
1.391 albertel 194: if ($env{'environment.remote'} eq 'off'
195: && $env{'request.state'} eq 'construct') {
196: $body_args{'only_body'} = 1;
197: }
1.344 albertel 198: }
1.365 albertel 199: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 200: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
201: \%body_args);
202:
203: if (!defined($found{'body'})
204: && $env{'request.state'} ne 'construct'
205: && ($target eq 'web' || $target eq 'webgrade')) {
206:
1.367 albertel 207: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
1.344 albertel 208: if ($symb eq '' && !$publicuser) {
209: my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
210: $help=&mt("Browsing resource, all submissions are temporary.")."<br />";
211: $page_start .= $help;
1.159 albertel 212: }
1.344 albertel 213: }
214:
1.409 albertel 215: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 216: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 217: }
1.344 albertel 218:
1.159 albertel 219: my $form_tag_start;
220: if (!defined($found{'form'})) {
1.337 albertel 221: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.338 albertel 222: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.327 albertel 223: $form_tag_start.=$uri.'" ';
224: if ($target eq 'edit') {
225: $form_tag_start.=&Apache::edit::form_change_detection();
226: }
1.368 albertel 227: $form_tag_start.='>'."\n";
1.355 albertel 228:
229: my $symb=&Apache::lonnet::symbread();
230: if ($symb =~ /\S/) {
231: $symb=
232: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
233: $form_tag_start.=
1.368 albertel 234: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 235: }
1.159 albertel 236: }
1.343 albertel 237: return ($page_start,$form_tag_start);
1.105 albertel 238: }
239:
1.141 matthew 240: #use Time::HiRes();
1.105 albertel 241: sub get_resource_name {
1.159 albertel 242: my ($parstack,$safeeval)=@_;
1.388 foxr 243: my $name;
1.204 albertel 244: if (defined($Apache::lonhomework::name)) {
1.388 foxr 245: $name = $Apache::lonhomework::name;
246: } else {
247: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 248: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 249: if ($name eq '') {
250: $name=&Apache::lonnet::EXT('resource.title');
251: if ($name eq 'con_lost') { $name = ''; }
252: }
253: if ($name!~/\S+/) {
254: $name=$env{'request.uri'};
255: $name=~s-.*/([^/]+)$-$1-;
256: }
257: # The name has had html tags escaped:
258:
259: $name=~s/</</gs;
260: $name=~s/>/>/gs;
261:
262: $Apache::lonhomework::name=$name;
1.204 albertel 263: }
1.159 albertel 264: return $name;
1.105 albertel 265: }
266:
267: sub setup_rndseed {
1.159 albertel 268: my ($safeeval)=@_;
269: my $rndseed;
1.367 albertel 270: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 271: if ($env{'request.state'} eq "construct"
272: || $symb eq ''
273: || $Apache::lonhomework::type eq 'practice'
274: || $Apache::lonhomework::history{'resource.CODE'}) {
1.316 www 275: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 276: ['rndseed']);
1.284 albertel 277: $rndseed=$env{'form.rndseed'};
1.159 albertel 278: if (!$rndseed) {
1.162 albertel 279: $rndseed=$Apache::lonhomework::history{'rndseed'};
280: if (!$rndseed) {
281: $rndseed=time;
282: }
1.284 albertel 283: $env{'form.rndseed'}=$rndseed;
1.162 albertel 284: }
1.374 albertel 285: if ( ($env{'form.resetdata'} eq &mt('New Problem Variation')
286: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 287: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 288: srand(time);
289: $rndseed=int(rand(2100000000));
1.284 albertel 290: $env{'form.rndseed'}=$rndseed;
291: delete($env{'form.resetdata'});
292: delete($env{'form.newrandomization'});
1.159 albertel 293: }
1.187 albertel 294: if (defined($rndseed) && $rndseed ne int($rndseed)) {
1.307 albertel 295: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
1.187 albertel 296: }
1.247 albertel 297: if ($Apache::lonhomework::history{'resource.CODE'}) {
298: $rndseed=&Apache::lonnet::rndseed();
299: }
1.221 albertel 300: if ($safeeval) {
301: &Apache::lonxml::debug("Setting rndseed to $rndseed");
1.250 albertel 302: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.221 albertel 303: }
1.159 albertel 304: }
305: return $rndseed;
1.105 albertel 306: }
307:
1.268 albertel 308: sub remember_problem_state {
309: return '
1.284 albertel 310: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
311: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
312: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 313: }
314:
1.105 albertel 315: sub problem_edit_header {
1.268 albertel 316: return '<input type="hidden" name="submitted" value="edit" />'.
317: &Apache::structuretags::remember_problem_state().'
1.408 albertel 318: <div class="LC_edit_problem_header">
319: <div class="LC_edit_problem_header_title">
320: '.&mt('Problem Editing').&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
321: </div>
322: <div class="LC_edit_problem_discards">
1.416 raeburn 323: <input type="hidden" name="problemmode" value="edit" />
324: <input type="button" name="submitmode" accesskey="d" value="'.&mt('Discard Edits and View').'" '.
325: ' onclick="javscript:setmode(this.form,'."'discard.'".')" />
326: <input '.&Apache::edit::submit_ask_anyway('setmode(this.form,'."'editxml'".')').' type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" />
1.407 albertel 327: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />
1.408 albertel 328: </div>
329: <div class="LC_edit_problem_saves">
1.416 raeburn 330: <input type="submit" name="submitbutton" accesskey="s" value="'.&mt('Save and Edit').'" />
331: <input type="submit" name="submitbutton" accesskey="v" value="'.&mt('Save and View').'" />
1.408 albertel 332: </div>
333: <hr class="LC_edit_problem_divide" />
1.409 albertel 334: '.&Apache::lonxml::message_location().'
1.408 albertel 335: </div>
336: '.
1.282 albertel 337: '<table border="0" width="100%"><tr><td bgcolor="#DDDDDD">';
1.105 albertel 338: }
339:
340: sub problem_edit_footer {
1.412 albertel 341: return '</td></tr></table><br />
342: <div class="LC_edit_problem_footer">
343: <hr class="LC_edit_problem_divide" />
344: <div class="LC_edit_problem_discards">
1.416 raeburn 345: <input type="button" name="submitmode" accesskey="d" value="'.&mt('Discard Edits and View').'" '.
346: 'onclick=javascript:setmode(this.form,'."'discard'".')" />
347: <input '.&Apache::edit::submit_ask_anyway('setmode(this.form,'."'editxml'".')').' type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" />
1.412 albertel 348: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />
349: </div>
350: <div class="LC_edit_problem_saves">
1.416 raeburn 351: <input type="submit" name="submitbutton" value="'.&mt('Save and Edit').'" />
352: <input type="submit" name="submitbutton" value="'.&mt('Save and View').'" />
1.412 albertel 353: </div>
354: <hr class="LC_edit_problem_divide" />
355: </div>
356: '.
357:
1.348 albertel 358: &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields()).
1.342 albertel 359: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 360: }
361:
1.235 albertel 362: sub option {
363: my ($value,$name) = @_;
364: my $result ="<option value='".$value."' ";
1.284 albertel 365: if ($env{'form.'.$name} eq $value) {
1.235 albertel 366: $result.=" selected='on' ";
367: }
368: $result.='>';
369: return $result;
370: }
371:
1.105 albertel 372: sub problem_web_to_edit_header {
1.159 albertel 373: my ($rndseed)=@_;
1.406 albertel 374: my $result .= '<div class="LC_edit_problem_header">';
375:
376: if (!$Apache::lonhomework::parsing_a_task) {
377: $result .=
378: '<div class="LC_edit_problem_header_title">'.
379: &mt('Problem Testing').
380: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
381: '</div>';
382: } else {
383: $result .=
384: '<div class="LC_edit_problem_header_title">'.
385: &mt('Task Testing').
386: '</div>';
387: }
388:
1.315 albertel 389: my $show_all_foils_text =
390: ($Apache::lonhomework::parsing_a_task) ?
391: &mt(' Show All Instances')
392: : &mt(' Show All Foils');
393:
1.406 albertel 394: my $show_all= '<span class="LC_nobreak"><label><input type="checkbox" name="showallfoils" ';
395: if (defined($env{'form.showallfoils'})) { $show_all.='checked="checked"'; }
396: $show_all.= ' />'.$show_all_foils_text.'</label></span>';
397:
398:
1.384 albertel 399:
1.406 albertel 400: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 401: if (!$Apache::lonhomework::parsing_a_task) {
402: $result.="
1.406 albertel 403: <div class='LC_edit_problem_header_row1'>
404: <span class=\"LC_nobreak\">
1.405 albertel 405: ".&mt("Problem Status:")."
1.235 albertel 406: <select name='problemstate'>
1.270 albertel 407: <option value=''></option>
1.235 albertel 408: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
409: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
410: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
411: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
412: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
413: </select>
1.406 albertel 414: </span>
415: <span class=\"LC_nobreak\">
1.405 albertel 416: ".&mt("Problem Type:")."
1.235 albertel 417: <select name='problemtype'>
1.270 albertel 418: <option value=''></option>
1.242 albertel 419: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
420: ".&option('problem','problemtype').&mt("Homework problem")."</option>
421: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.235 albertel 422: </select>
1.406 albertel 423: </span>
424: $show_all
425: </div>
426: <div class='LC_edit_problem_header_row2'>
427: <span class=\"LC_nobreak\">
1.405 albertel 428: ".&mt("Feedback Mode:")."
1.235 albertel 429: <select name='problemstatus'>
430: <option value=''></option>
1.242 albertel 431: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.405 albertel 432: ".&option('no', 'problemstatus').&mt("Don't Show Incorect/Correct Feedback")."</option>
433: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 434: </select>
1.406 albertel 435: </span>
436: ";
437:
1.376 albertel 438: } elsif ($Apache::lonhomework::parsing_a_task) {
439: $result.="
1.406 albertel 440: <div class='LC_edit_problem_header_row1'>
441: <span class=\"LC_nobreak\">
1.405 albertel 442: ".&mt("Problem Status:")."
1.376 albertel 443: <select name='problemstate'>
444: <option value=''></option>
445: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
446: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
447: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
448: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
449: </select>
1.406 albertel 450: </span>
451: $show_all
452: ";
453: }
454:
455: $result.='
456: <span class="LC_nobreak">
457: '.&mt('Apply style file: ').'
458: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
459: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
460: </span>
461: </div>
462: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
463: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
464: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
465: </div>
466: <hr class="LC_edit_problem_divide" />
467: <div class="LC_edit_problem_header_randomize_row">
468: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
469: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
470: <input type="text" name="rndseed" size="10" value="'.
471: $rndseed.'"
472: onchange="javascript:document.lonhomework.changerandseed.click()" />';
473:
474: if (!$Apache::lonhomework::parsing_a_task) {
475: my $numtoanalyze=$env{'form.numtoanalyze'};
476: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 477: $result .= '<span class="LC_nobreak">'.
478: &mt('[_1] for [_2] versions.',
1.416 raeburn 479: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
480: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />
481: <input type="text" name="numtoanalyze" value="'.
1.408 albertel 482: $numtoanalyze.'" size="5" />').
483: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
484: '</span>';
485:
1.313 albertel 486: }
1.406 albertel 487:
488: $result.='
489: </div>
1.408 albertel 490: <div class="LC_edit_problem_header_edit_row">';
1.416 raeburn 491: $result.='<input type="hidden" name="problemmode" value="view" />';
492: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
493: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
494: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
495: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.408 albertel 496: $result.='
497: </div>
1.409 albertel 498: '.&Apache::lonxml::message_location().'
1.406 albertel 499: </div>';
1.159 albertel 500: return $result;
1.48 albertel 501: }
502:
1.65 albertel 503: sub initialize_storage {
1.357 albertel 504: my ($given_symb) = @_;
1.353 albertel 505: undef(%Apache::lonhomework::results);
506: undef(%Apache::lonhomework::history);
1.357 albertel 507: my ($symb,$courseid,$domain,$name) =
1.367 albertel 508: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 509:
510: # anonymous users (CODEd exams) have no data
511: if ($name eq 'anonymous'
512: && !defined($domain)) {
513: return;
514: }
515:
1.333 albertel 516: if ($env{'request.state'} eq 'construct'
517: || $symb eq ''
518: || $Apache::lonhomework::type eq 'practice') {
519:
520: my $namespace = $symb || $env{'request.uri'};
521: if ($env{'form.resetdata'} eq &mt('Reset Submissions') ||
1.374 albertel 522: ($env{'form.resetdata'} eq &mt('New Problem Variation')
523: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 524: $env{'form.newrandomization'} eq &mt('New Randomization')) {
525: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
526: &Apache::lonxml::debug("Attempt reset");
527: }
1.159 albertel 528: %Apache::lonhomework::history=
1.333 albertel 529: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.159 albertel 530: my ($temp)=keys %Apache::lonhomework::history ;
531: &Apache::lonxml::debug("Return message of $temp");
532: } else {
533: %Apache::lonhomework::history=
534: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
535: }
1.353 albertel 536:
1.159 albertel 537: #ignore error conditions
1.67 albertel 538: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 539: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 540: }
541:
542: # -------------------------------------------------------------finalize_storage
543: # Stores away the result has to a student's environment
544: # checks form.grade_ for specific values, other wises stores
545: # to the running users environment
1.285 raeburn 546: # Will increment totals for attempts, students, and corrects
547: # if running user has student role.
1.65 albertel 548: sub finalize_storage {
1.357 albertel 549: my ($given_symb) = @_;
1.159 albertel 550: my $result;
1.289 albertel 551: if (%Apache::lonhomework::results) {
1.323 albertel 552: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
553: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 554: my ($symb,$courseid,$domain,$name) =
1.367 albertel 555: &Apache::lonnet::whichuser($given_symb);
1.333 albertel 556: if ($env{'request.state'} eq 'construct'
557: || $symb eq ''
558: || $Apache::lonhomework::type eq 'practice') {
559: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 560: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 561: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 562: $namespace,'',$domain,$name);
1.159 albertel 563: &Apache::lonxml::debug('Construct Store return message:'.$result);
564: } else {
565: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
566: $symb,$courseid,$domain,$name);
567: &Apache::lonxml::debug('Store return message:'.$result);
1.285 raeburn 568: if ($env{'request.role'} =~/^st/) {
569: &store_aggregates($symb,$courseid);
570: }
1.159 albertel 571: }
1.323 albertel 572: } else {
573: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 574: }
1.159 albertel 575: return $result;
1.65 albertel 576: }
577:
1.285 raeburn 578: # -------------------------------------------------------------store_aggregates
579: # Sends hash of values to be incremented in nohist_resourcetracker.db
580: # for the course. Increments total number of attempts, unique students
581: # and corrects for each part for an instance of a problem, as appropriate.
582: sub store_aggregates {
583: my ($symb,$courseid) = @_;
1.286 albertel 584: my %aggregate;
585: my @parts;
1.288 albertel 586: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
587: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 588: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 589: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 590: push(@parts, $1);
1.285 raeburn 591: }
592: }
1.286 albertel 593: foreach my $part (@parts) {
594: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
595: eq 'APPROX_ANS' ||
596: $Apache::lonhomework::results{'resource.'.$part.'.award'}
597: eq 'EXACT_ANS') {
1.287 albertel 598: $aggregate{$symb."\0".$part."\0correct"} = 1;
1.285 raeburn 599: }
1.286 albertel 600: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1.287 albertel 601: $aggregate{$symb."\0".$part."\0users"} = 1;
1.292 raeburn 602: } else {
1.293 albertel 603: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1.292 raeburn 604: if ($last_reset) {
1.293 albertel 605: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1.292 raeburn 606: $aggregate{$symb."\0".$part."\0users"} = 1;
607: }
608: }
1.285 raeburn 609: }
1.287 albertel 610: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 611: }
1.292 raeburn 612: if (keys (%aggregate) > 0) {
1.289 albertel 613: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 614: $cdomain,$cname);
615: }
616: }
1.289 albertel 617:
1.65 albertel 618: sub checkout_msg {
1.211 albertel 619: my %lt=&Apache::lonlocal::texthash(
620: 'resource'=>'The resource needs to be checked out',
621: 'id_expln'=>'As a resource gets checked out, a unique timestamped ID is given to it, and a permanent record is left in the system.',
622: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
623: 'checkout'=>'Check out Exam for Viewing',
624: 'checkout?'=>'Check out Exam?');
1.352 albertel 625: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 626: return (<<ENDCHECKOUT);
1.211 albertel 627: <h2>$lt{'resource'}</h2>
628: <p>$lt{'id_expln'}</p>
629: <font color="red">
630: <p>$lt{'warning'}</p>
1.91 albertel 631: </font>
1.352 albertel 632: <form name="checkout" method="POST" action="$uri">
1.91 albertel 633: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 634: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 635: </form>
636: ENDCHECKOUT
637: }
638:
1.252 albertel 639: sub firstaccess_msg {
1.253 albertel 640: my ($time,$symb)=@_;
1.414 albertel 641: my $result;
642: my @interval=&Apache::lonnet::EXT("resource.0.interval");
643: if ($interval[1] eq 'map') {
644: my ($map)=&Apache::lonnet::decode_symb($symb);
645: my $foldertitle=&Apache::lonnet::gettitle($map);
646:
647: &Apache::lonxml::debug("map is $map title is $foldertitle");
648: $result .= (<<ENDCHECKOUT);
649: <h2>The resources in "$foldertitle" are open for a limited time. Once you click the 'Show Resource' button below you have $time to complete all resources "$foldertitle".</h2>
650: ENDCHECKOUT
651: } elsif ($interval[1] eq 'course') {
652: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
653: $result .= (<<ENDCHECKOUT);
654: <h2>The resources in "$course" are open for a limited time. Once you click the 'Show Resource' button below you have $time to complete all resources in "$course".</h2>
655: ENDCHECKOUT
656: } else {
657: my $title=&Apache::lonnet::gettitle($symb);
658: $result .= (<<ENDCHECKOUT);
659: <h2>This resource "$title" is open for a limited time. Once you click the 'Show Resource' button below you have $time to complete this resource "$title".</h2>
660: ENDCHECKOUT
661:
662: }
1.352 albertel 663: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.414 albertel 664: $result .= (<<ENDCHECKOUT);
1.352 albertel 665: <form name="markaccess" method="POST" action="$uri">
1.252 albertel 666: <input type="hidden" name="markaccess" value="yes" />
667: <input type="button" name="accessbutton" value="Show Resource" onClick="javascript:if (confirm('Start Timer?')) { document.markaccess.submit(); }" />
668: </form>
669: ENDCHECKOUT
1.414 albertel 670: return $result;
1.252 albertel 671: }
672:
1.204 albertel 673: sub init_problem_globals {
674: my ($type)=@_;
675: #initialize globals
1.308 foxr 676: # For problems, we start out in part 0 (outside a <part> tag).
677: # and part 0 is used to describe the main body of the <problem>
678: #
1.204 albertel 679: if ($type eq 'problem') {
680: $Apache::inputtags::part='0';
681: @Apache::inputtags::partlist=('0');
1.405 albertel 682: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 683: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 684:
1.266 albertel 685: } elsif ($type eq 'library') {
1.204 albertel 686: $Apache::inputtags::part='';
687: @Apache::inputtags::partlist=();
1.405 albertel 688: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 689: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 690:
1.304 albertel 691: } elsif ($type eq 'Task') {
692: $Apache::inputtags::part='0';
693: @Apache::inputtags::partlist=('0');
1.405 albertel 694: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 695: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 696: }
697: @Apache::inputtags::responselist = ();
698: @Apache::inputtags::importlist = ();
699: @Apache::inputtags::previous=();
700: @Apache::inputtags::previous_version=();
701: $Apache::structuretags::printanswer='No';
702: @Apache::structuretags::whileconds=();
703: @Apache::structuretags::whilebody=();
704: @Apache::structuretags::whileline=();
705: $Apache::lonhomework::scantronmode=0;
706: undef($Apache::lonhomework::name);
1.358 albertel 707: undef($Apache::lonhomework::default_type);
708: undef($Apache::lonhomework::type);
1.204 albertel 709: }
710:
711: sub reset_problem_globals {
712: my ($type)=@_;
713: undef(%Apache::lonhomework::history);
714: undef(%Apache::lonhomework::results);
715: undef($Apache::inputtags::part);
1.208 albertel 716: #don't undef this, lonhomework.pm takes care of this, we use this to
717: #detect if we try to do 2 problems in one file
718: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 719: undef($Apache::lonhomework::name);
1.358 albertel 720: undef($Apache::lonhomework::default_type);
721: undef($Apache::lonhomework::type);
722: undef($Apache::lonhomework::scantronmode);
723: undef($Apache::lonhomework::ignore_response_errors);
1.405 albertel 724: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 725: }
726:
1.241 albertel 727: sub set_problem_state {
1.240 albertel 728: my ($part)=@_;
1.284 albertel 729: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 730: $Apache::lonhomework::history{"resource.$part.solved"}=
731: 'correct_by_student';
732: }
733: }
734:
1.241 albertel 735: sub get_problem_status {
736: my ($part)=@_;
1.267 albertel 737: my $problem_status;
1.284 albertel 738: if ($env{'request.state'} eq 'construct' &&
739: defined($env{'form.problemstatus'})) {
740: $problem_status=$env{'form.problemstatus'};
1.267 albertel 741: } else {
742: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
743: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 744: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 745: }
746: return $problem_status;
747: }
748:
1.9 albertel 749: sub start_problem {
1.326 albertel 750: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 751:
1.311 foxr 752: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 753: if (!$Apache::lonxml::metamode) {
754: &Apache::lonxml::startredirection();
755: }
1.311 foxr 756:
1.308 foxr 757: # Problems don't nest and we don't allow more than one <problem> in
758: # a .problem file.
759: #
1.184 albertel 760: if ( $Apache::inputtags::part ne '' ||
761: $Apache::lonhomework::parsing_a_problem) {
762: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 763: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 764: return '';
765: }
1.184 albertel 766:
767: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 768: &init_problem_globals('problem');
1.166 albertel 769:
1.284 albertel 770: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 771: $Apache::lonhomework::scantronmode=1;
772: }
1.161 albertel 773:
1.159 albertel 774: if ($target ne 'analyze') {
1.415 raeburn 775: my $type = &Apache::lonnet::EXT('resource.0.type');
776: $Apache::lonhomework::type=$type;
1.284 albertel 777: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 778: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 779: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 780: }
1.332 albertel 781: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 782: }
1.164 albertel 783: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 784: my $uri=$env{'request.uri'};
1.159 albertel 785: if ($uri=~/\.(\w+)$/) {
786: $Apache::lonhomework::type=$1;
787: &Apache::lonxml::debug("Using type of $1");
788: } else {
789: $Apache::lonhomework::type='problem';
790: &Apache::lonxml::debug("Using default type, problem, :$uri:");
791: }
1.87 albertel 792: }
1.301 albertel 793: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 794:
1.363 albertel 795: &initialize_storage();
1.389 albertel 796: if ($target ne 'analyze'
797: && $env{'request.state'} eq 'construct') {
798: &set_problem_state('0');
799: }
800:
1.366 albertel 801: if ($target eq 'web') {
802: &Apache::lonxml::debug(" grading history ");
803: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
804: }
1.363 albertel 805:
1.159 albertel 806: #added vars to the scripting enviroment
1.213 albertel 807: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 808: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 809: &Apache::run::run($expression,$safeeval);
1.159 albertel 810: my $status;
811: my $accessmsg;
812:
1.343 albertel 813: my $name= &get_resource_name($parstack,$safeeval);
1.350 albertel 814: my ($result,$form_tag_start);
1.354 albertel 815: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
816: || $target eq 'edit') {
1.350 albertel 817: ($result,$form_tag_start) =
818: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
819: $name);
820: }
821:
1.284 albertel 822: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 823:
824: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
825: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
826: $target eq 'tex') {
827: #handle exam checkout
828: if ($Apache::lonhomework::type eq 'exam') {
829: my $token=
830: $Apache::lonhomework::history{"resource.0.outtoken"};
1.284 albertel 831: if (($env{'form.doescheckout'}) && (!$token)) {
1.159 albertel 832: $token=&Apache::lonxml::maketoken();
833: $Apache::lonhomework::history{"resource.0.outtoken"}=
834: $token;
835: }
1.343 albertel 836: $result.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 837: }
1.284 albertel 838: if ($env{'form.markaccess'}) {
1.414 albertel 839: my @interval=&Apache::lonnet::EXT("resource.0.interval");
840: &Apache::lonnet::set_first_access($interval[1]);
1.252 albertel 841: }
1.159 albertel 842: #handle rand seed in construction space
843: my $rndseed=&setup_rndseed($safeeval);
1.367 albertel 844: my ($symb)=&Apache::lonnet::whichuser();
1.333 albertel 845: if ($env{'request.state'} ne "construct" &&
846: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 847: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
848: $rndseed.'" />'.
849: '<input type="submit" name="resetdata"
1.334 albertel 850: value="'.&mt('New Problem Variation').'" />';
851: if (exists($env{'form.username'})) {
852: $form_tag_start.=
1.164 albertel 853: '<input type="hidden" name="username"
1.284 albertel 854: value="'.$env{'form.username'}.'" />';
1.334 albertel 855: }
1.333 albertel 856: if ($env{'request.role.adv'}) {
1.267 albertel 857: $form_tag_start.=
1.300 albertel 858: ' <label><input type="checkbox" name="showallfoils" ';
1.284 albertel 859: if (defined($env{'form.showallfoils'})) {
1.267 albertel 860: $form_tag_start.='checked="on"';
861: }
1.300 albertel 862: $form_tag_start.= ' />'.&mt(' Show All Foils').
863: '</label>';
1.267 albertel 864: }
1.417 ! www 865: if ($Apache::lonhomework::type eq 'practice') {
! 866: $form_tag_start.='<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
! 867: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').'</span>';
! 868: }
1.267 albertel 869: $form_tag_start.='<hr />';
1.162 albertel 870: }
1.324 albertel 871:
872: ($status,$accessmsg,my $slot_name,my $slot) =
873: &Apache::lonhomework::check_slot_access('0','problem');
1.159 albertel 874: push (@Apache::inputtags::status,$status);
1.324 albertel 875:
1.159 albertel 876: my $expression='$external::datestatus="'.$status.'";';
877: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
878: &Apache::run::run($expression,$safeeval);
879: &Apache::lonxml::debug("Got $status");
1.324 albertel 880:
1.159 albertel 881: if (( $status eq 'CLOSED' ) ||
882: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 883: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 884: ( $status eq 'BANNED') ||
1.216 albertel 885: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 886: ( $status eq 'NOT_IN_A_SLOT') ||
1.216 albertel 887: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 888: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
889: $style);
1.159 albertel 890: if ( $target eq "web" ) {
1.343 albertel 891: my $msg;
1.159 albertel 892: if ($status eq 'UNAVAILABLE') {
1.245 albertel 893: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.253 albertel 894: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 895: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 896: }
1.216 albertel 897: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 898: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 899: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 900: $msg.=&checkout_msg();
1.252 albertel 901: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 902: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 903: } elsif ($status eq 'NOT_IN_A_SLOT') {
904: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work.");
1.159 albertel 905: }
906: $result.=$msg.'<br />';
907: } elsif ($target eq 'tex') {
1.332 albertel 908: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
909: : '\begin{minipage}{\textwidth}';
910: $result.='\begin{document}\noindent \vskip 1 mm '.
911: $startminipage.'\vskip 0 mm';
1.159 albertel 912: if ($status eq 'UNAVAILABLE') {
1.211 albertel 913: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 914: } else {
1.211 albertel 915: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 916: }
917: }
1.324 albertel 918: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 919: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
920: $style);
1.324 albertel 921: if ($target eq 'web') {
1.375 albertel 922: $result .=
923: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 924: } elsif ($target eq 'grade') {
925: &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
926: 'problem');
927: }
1.159 albertel 928: } elsif ($target eq 'web') {
1.360 albertel 929: if ($status eq 'CAN_ANSWER'
930: && $slot_name ne ''
931: && $Apache::lonhomework::history{'resource.0.checkedin'} eq '') {
932: # unproctored slot access, self checkin
933: &Apache::bridgetask::check_in('problem',undef,undef,
934: $slot_name);
935: }
1.368 albertel 936: $result.="\n $form_tag_start \t".
1.227 albertel 937: '<input type="hidden" name="submitted" value="yes" />';
938: # create a page header and exit
1.284 albertel 939: if ($env{'request.state'} eq "construct") {
940: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.227 albertel 941: }
942: # if we are viewing someone else preserve that info
1.284 albertel 943: if (defined $env{'form.grade_symb'}) {
1.227 albertel 944: foreach my $field ('symb','courseid','domain','username') {
945: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 946: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 947: }
948: }
949: } elsif ($target eq 'tex') {
1.319 foxr 950: $result .= 'INSERTTEXFRONTMATTERHERE';
951:
1.99 sakharuk 952: }
1.159 albertel 953: } elsif ($target eq 'edit') {
1.343 albertel 954: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 955: $Apache::lonxml::warnings_error_header=
956: &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 957: my $temp=&Apache::edit::insertlist($target,$token);
958: $result.=$temp;
959: } elsif ($target eq 'modified') {
960: $result=$token->[4];
961: } else {
962: # page_start returned a starting result, delete it if we don't need it
963: $result = '';
1.99 sakharuk 964: }
1.159 albertel 965: return $result;
1.9 albertel 966: }
967:
968: sub end_problem {
1.159 albertel 969: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 970: my $result;
1.310 foxr 971:
1.321 albertel 972: if (!$Apache::lonxml::metamode) {
973: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 974: $Apache::lonxml::post_evaluate=0;
1.321 albertel 975: }
1.319 foxr 976:
977: if ($target eq 'tex') {
1.321 albertel 978: # Figure out the front matter and replace the
979: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
980: # this in end_problem because whether or not we display due
981: # dates depends on whether due dates have already been
982: # displayed in the problem parts.
983:
1.319 foxr 984: my $frontmatter = '';
985: my $startminipage = '';
986: if (not $env{'form.problem_split'}=~/yes/) {
987: $startminipage = '\begin{minipage}{\textwidth}';
988: }
989: my $id = $Apache::inputtags::part;
990: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
991: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
992: my @packages = split /,/,$packages;
993: my $allow_print_points = 0;
994: foreach my $partial_key (@packages) {
995: if ($partial_key=~m/^part_0$/) {
996: $allow_print_points=1;
997: }
998: }
999: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1000: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1001: if (lc($env{'course.'.$env{'request.course.id'}.
1002: '.disableexampointprint'}) eq 'yes') {
1003: $allow_print_points=0;
1004: }
1005: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1006: 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 ';
1007: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1008: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1009:
1010: # Figure out what the due date is and if we need to print
1011: # it in the problem header. We have been logging the
1012: # last due date written to file.
1013:
1014: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1015: my $duedate = POSIX::strftime("%c",localtime($duetime));
1016: my $temp_file;
1017: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1018:
1019: # Figure out what the last printed due date is or set it
1020: # to the epoch if no duedates have been printed.
1021:
1022: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1023: if (-e $filename) {
1024: $temp_file = Apache::File->new($filename);
1025: my @due_file = <$temp_file>;
1026: $due_file_content = $due_file[$#due_file];
1027: chomp $due_file_content;
1028: }
1029:
1030: # We display the due date iff it is not the same as the last
1031: # duedate in problem header ($due_file_content), and
1032: # none of our parts displayed a duedate.
1033: #
1034: my $parts_with_displayduedate;
1035: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1036: $parts_with_displayduedate =
1037: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1038: } else {
1039: $parts_with_displayduedate = 0;
1040: }
1041: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1042: $temp_file = Apache::File->new('>'.$filename);
1043: print $temp_file "$duetime\n";
1044: if (not $env{'request.symb'} =~ m/\.page_/) {
1045: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1046: $frontmatter .= $begin_doc.
1047: '\textit{Due date: '.$duedate.'} '.$toc_line;
1048: } else {
1049: $frontmatter.= $begin_doc.$toc_line;
1050: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1051: }
1052: } else {
1.381 albertel 1053: $frontmatter .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\'.$startminipage;
1.319 foxr 1054: }
1055: } else {
1056: if (not $env{'request.symb'} =~ m/\.page_/) {
1057: $frontmatter .= $begin_doc.$toc_line;
1058: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1059: } else {
1.381 albertel 1060: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1061: }
1062: }
1063: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1064: }
1065:
1.159 albertel 1066: my $status=$Apache::inputtags::status['-1'];
1067: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1068: $target eq 'tex') {
1.249 albertel 1069: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1070: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1071: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1072: &Apache::inputtags::grade;
1.324 albertel 1073: } elsif ($status eq 'NEEDS_CHECKIN') {
1074: # no need to grade, and don't want to hide data
1.249 albertel 1075: } else {
1076: # move any submission data to .hidden
1077: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1078: }
1.159 albertel 1079: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1080: $Apache::inputtags::part eq '0' &&
1.252 albertel 1081: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 1082: # if part is zero, no <part>s existed, so we need show the current
1083: # grading status
1084: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1085: $result.= $gradestatus;
1086: }
1087: if (
1.284 albertel 1088: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1089: ($target eq 'answer') || ($target eq 'tex')
1090: ) {
1.227 albertel 1091: if ($target ne 'tex' &&
1.284 albertel 1092: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 1093: $result.="</form>";
1.348 albertel 1094: $result.= &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields());
1.159 albertel 1095: }
1096: if ($target eq 'web') {
1.346 albertel 1097: $result.= &Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1098: } elsif ($target eq 'tex') {
1.178 sakharuk 1099: my $endminipage = '';
1.284 albertel 1100: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1101: $endminipage = '\end{minipage}';
1102: }
1.284 albertel 1103: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1104: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1105: } else {
1.262 sakharuk 1106: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1107: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1108: $result .= $endminipage.'\end{document} ';
1109: } else {
1.382 albertel 1110: $result .= $endminipage;
1.262 sakharuk 1111: }
1.159 albertel 1112: }
1113: }
1114: }
1115: if ($target eq 'grade') {
1116: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1117: &finalize_storage();
1118: }
1.284 albertel 1119: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
1120: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 1121: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 1122: # normally we get it from above, but in CSTR
1.172 albertel 1123: # we always show answer mode too.
1.159 albertel 1124: }
1125: } elsif ($target eq 'meta') {
1126: if ($Apache::inputtags::part eq '0') {
1.179 albertel 1127: @Apache::inputtags::response=();
1.159 albertel 1128: $result=&Apache::response::mandatory_part_meta;
1129: }
1.215 albertel 1130: $result.=&Apache::response::meta_part_order();
1.258 albertel 1131: $result.=&Apache::response::meta_response_order();
1.159 albertel 1132: } elsif ($target eq 'edit') {
1133: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 1134: $result .= &problem_edit_footer();
1.320 albertel 1135: } elsif ($target eq 'modified') {
1136: $result .= $token->[2];
1.159 albertel 1137: }
1.155 albertel 1138:
1.284 albertel 1139: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 1140: &Apache::inputtags::check_for_duplicate_ids();
1141: }
1.204 albertel 1142:
1143: &reset_problem_globals('problem');
1.159 albertel 1144:
1145: return $result;
1.48 albertel 1146: }
1147:
1.108 albertel 1148:
1.48 albertel 1149: sub start_library {
1.159 albertel 1150: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 1151: my ($result,$form_tag_start);
1.371 albertel 1152: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 1153: &init_problem_globals('library');
1154: $Apache::lonhomework::type='problem';
1155: }
1.159 albertel 1156: if ($target eq 'edit') {
1.343 albertel 1157: ($result,$form_tag_start)=
1158: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1159: 'Edit');
1160: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 1161: my $temp=&Apache::edit::insertlist($target,$token);
1162: $result.=$temp;
1163: } elsif ($target eq 'modified') {
1164: $result=$token->[4];
1.340 albertel 1165: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 1166: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 1167: && $env{'request.state'} eq "construct" ) {
1.159 albertel 1168: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 1169: ($result,$form_tag_start)=
1170: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1171: $name);
1.159 albertel 1172: my $rndseed=&setup_rndseed($safeeval);
1.343 albertel 1173: $result.=" \n $form_tag_start".
1.159 albertel 1174: '<input type="hidden" name="submitted" value="yes" />';
1175: $result.=&problem_web_to_edit_header($rndseed);
1176: }
1177: return $result;
1.48 albertel 1178: }
1179:
1180: sub end_library {
1.159 albertel 1181: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1182: my $result='';
1183: if ($target eq 'edit') {
1184: $result=&problem_edit_footer();
1.371 albertel 1185: } elsif ($target eq 'web'
1186: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1187: && $env{'request.state'} eq "construct") {
1.349 albertel 1188: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1189: }
1.371 albertel 1190: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1191: &reset_problem_globals('library');
1192: }
1.159 albertel 1193: return $result;
1.197 www 1194: }
1195:
1196: sub start_definetag {
1.326 albertel 1197: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 1198:
1199: my $result;
1200:
1201: my $name = $token->[2]->{'name'};
1.326 albertel 1202: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 1203: if ($target eq 'web') {
1204: if ($name=~/^\//) {
1205: $result=
1206: '<br /><table class="LC_sty_end"><tr><th>'.
1207: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1208: } else {
1209: $result=
1210: '<br /><table class="LC_sty_begin"><tr><th>'.
1211: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1212: }
1213: $skip = &HTML::Entities::encode($skip, '<>&"');
1214: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 1215: }
1216: return $result;
1217: }
1218:
1219: sub end_definetag {
1220: return '';
1.1 albertel 1221: }
1222:
1223: sub start_block {
1.201 albertel 1224: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 1225:
1226: my $result;
1.1 albertel 1227:
1.339 albertel 1228: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1229: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 1230: my $code = $token->[2]->{'condition'};
1.385 albertel 1231: if (defined($code) && $code ne '') {
1.137 albertel 1232: if (!$Apache::lonxml::default_homework_loaded) {
1233: &Apache::lonxml::default_homework_load($safeeval);
1234: }
1.131 albertel 1235: $result = &Apache::run::run($code,$safeeval);
1236: &Apache::lonxml::debug("block :$code: returned :$result:");
1237: } else {
1238: $result='1';
1239: }
1240: if ( ! $result ) {
1.201 albertel 1241: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 1242: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1243: }
1244: $result='';
1245: } elsif ($target eq 'edit') {
1246: $result .=&Apache::edit::tag_start($target,$token);
1247: $result .=&Apache::edit::text_arg('Test Condition:','condition',
1248: $token,40);
1249: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1250: } elsif ($target eq 'modified') {
1251: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1252: $safeeval,'condition');
1253: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 1254: }
1.131 albertel 1255: return $result;
1.1 albertel 1256: }
1257:
1258: sub end_block {
1.167 www 1259: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1260: my $result;
1261: if ($target eq "edit") {
1262: $result.= &Apache::edit::tag_end($target,$token,'');
1263: }
1264: return $result;
1265: }
1266:
1267: sub start_languageblock {
1.201 albertel 1268: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 1269:
1270: my $result;
1271:
1.339 albertel 1272: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1273: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 1274: my $include = $token->[2]->{'include'};
1275: my $exclude = $token->[2]->{'exclude'};
1.398 www 1276: my @preferred_languages=&Apache::loncommon::preferred_languages();
1.394 www 1277: # This should not even happen, since we should at least have the server language
1.398 www 1278: if (!$preferred_languages[0]) { $preferred_languages[0]='en'; }
1279: # Now loop over all languages in order of preference
1280: foreach my $preferred_language (@preferred_languages) {
1.394 www 1281: # If the languageblock has no arguments, show the contents
1.399 www 1282: $result=1;
1283: my $found=0;
1.394 www 1284: # Do we have an include argument?
1.398 www 1285: if ($include) {
1.394 www 1286: # If include is specified, by default, don't render the block
1.399 www 1287: $result=0;
1.398 www 1288: foreach my $included_language (split(/\,/,$include)) {
1.394 www 1289: # ... but if my preferred language is included, render it
1.398 www 1290: if ($included_language eq $preferred_language) {
1.399 www 1291: $result=1;
1292: $found=1;
1.398 www 1293: }
1294: }
1295: }
1.394 www 1296: # Do we have an exclude argument?
1.398 www 1297: if ($exclude) {
1.399 www 1298: $result=1;
1.398 www 1299: foreach my $excluded_language (split(/\,/,$exclude)) {
1300: if ($excluded_language eq $preferred_language) {
1.399 www 1301: $result=0;
1302: $found=1;
1.398 www 1303: }
1304: }
1305: }
1.399 www 1306: if ($found) { last; }
1.398 www 1307: }
1.201 albertel 1308: if ( ! $result ) {
1309: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
1310: $style);
1311: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1312: }
1313: $result='';
1.167 www 1314: } elsif ($target eq 'edit') {
1315: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1316: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 1317: $token,40);
1.211 albertel 1318: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 1319: $token,40);
1320: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1321: } elsif ($target eq 'modified') {
1322: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 1323: $safeeval,'include',
1324: 'exclude');
1.167 www 1325: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1326: }
1327: return $result;
1328: }
1329:
1330: sub end_languageblock {
1.170 www 1331: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1332: my $result;
1.201 albertel 1333: if ($target eq "edit") {
1.170 www 1334: $result.= &Apache::edit::tag_end($target,$token,'');
1335: }
1336: return $result;
1337: }
1338:
1.397 albertel 1339: {
1340: my %available_texts;
1341: sub start_translated {
1342: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1343: &Apache::lonxml::register('Apache::structuretags',('lang'));
1344: undef(%available_texts);
1345: }
1346:
1347: sub end_translated {
1348: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1349: my $result;
1350: #show the translation on viewable targets
1351: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
1352: # or non-viewable targets, if it's embedded in something that
1353: # wants the output
1354: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
1355: && &Apache::lonxml::in_redirection() ) ) {
1356: my @possibilities = keys(%available_texts);
1357: my $which =
1358: &Apache::loncommon::languages(\@possibilities) || 'default';
1359: $result = $available_texts{$which};
1360: }
1361: undef(%available_texts);
1362: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
1363: return $result;
1364: }
1365:
1366:
1367: sub start_lang {
1368: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1369: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1370: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1371: &Apache::lonxml::startredirection();
1372: }
1373: return '';
1374: }
1375:
1376: sub end_lang {
1377: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1378: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1379: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1380: my $result = &Apache::lonxml::endredirection();
1381: my $which = &Apache::lonxml::get_param('which',$parstack,
1382: $safeeval);
1383: $available_texts{$which} = $result;
1384: }
1385: return '';
1386: }
1387: }
1388:
1.170 www 1389: sub start_instructorcomment {
1.201 albertel 1390: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 1391:
1392: my $result;
1393:
1.339 albertel 1394: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1395: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.284 albertel 1396: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
1397: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 1398: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
1399: $parser,$style);
1.170 www 1400: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1401: }
1402: $result='';
1403: } elsif ($target eq 'edit') {
1404: $result .=&Apache::edit::tag_start($target,$token);
1405: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1406: }
1407: return $result;
1408: }
1409:
1410: sub end_instructorcomment {
1.159 albertel 1411: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1412: my $result;
1413: if ($target eq "edit") {
1414: $result.= &Apache::edit::tag_end($target,$token,'');
1415: }
1416: return $result;
1.4 tsai 1417: }
1418:
1419: sub start_while {
1.326 albertel 1420: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1421:
1.160 albertel 1422: my $result;
1.339 albertel 1423: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1424: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1425: my $code = $token->[2]->{'condition'};
1.4 tsai 1426:
1.160 albertel 1427: push( @Apache::structuretags::whileconds, $code);
1428: if (!$Apache::lonxml::default_homework_loaded) {
1429: &Apache::lonxml::default_homework_load($safeeval);
1430: }
1431: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 1432: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 1433: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 1434: push( @Apache::structuretags::whileline, $token->[5]);
1435: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 1436: if ( $result ) {
1437: &Apache::lonxml::newparser($parser,\$bodytext);
1438: }
1439: } elsif ($target eq 'edit') {
1440: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1441: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 1442: $token,40);
1443: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1444: } elsif ($target eq 'modified') {
1445: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1446: $safeeval,'condition');
1447: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 1448: }
1.160 albertel 1449: return $result;
1.4 tsai 1450: }
1451:
1452: sub end_while {
1.159 albertel 1453: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1454: my $result;
1455:
1.339 albertel 1456: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1457: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1458: my $code = pop(@Apache::structuretags::whileconds);
1459: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1460: my $line = pop(@Apache::structuretags::whileline);
1461: my $return = &Apache::run::run($code,$safeeval);
1462: my $starttime=time;
1463: my $error=0;
1464: while ($return) {
1465: if (time-$starttime >
1466: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 1467: $return = 0; $error=1; next;
1.161 albertel 1468: }
1469: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 1470: if ($target eq 'grade' || $target eq 'answer' ||
1471: $target eq 'analyze') {
1472: # grade/answer/analyze should produce no output but if we
1473: # are redirecting, the redirecter should know what to do
1474: # with the output
1475: if (!$Apache::lonxml::redirection) { undef($result); }
1476: }
1.161 albertel 1477: $return = &Apache::run::run($code,$safeeval);
1478: }
1479: if ($error) {
1.270 albertel 1480: &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 1481: }
1482: } elsif ($target eq "edit") {
1483: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1484: }
1.160 albertel 1485: return $result;
1.1 albertel 1486: }
1.6 tsai 1487:
1.160 albertel 1488: # <randomlist show="1">
1.6 tsai 1489: # <tag1>..</tag1>
1490: # <tag2>..</tag2>
1491: # <tag3>..</tag3>
1.160 albertel 1492: # ...
1.6 tsai 1493: # </randomlist>
1494: sub start_randomlist {
1.326 albertel 1495: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1496: my $result;
1.339 albertel 1497: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1498: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 1499: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 1500: my $b_parser= HTML::LCParser->new(\$body);
1501: $b_parser->xml_mode(1);
1502: $b_parser->marked_sections(1);
1.159 albertel 1503: my $b_tok;
1504: my @randomlist;
1505: my $list_item;
1506: while($b_tok = $b_parser->get_token() ) {
1507: if($b_tok->[0] eq 'S') { # start tag
1508: # get content of the tag until matching end tag
1509: # get all text upto the matching tag
1510: # and push the content into @randomlist
1511: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1512: $b_parser);
1513: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1514: push(@randomlist,$list_item);
1515: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1516: # $list_item</b>";
1517: }
1518: if($b_tok->[0] eq 'T') { # text
1519: # what to do with text in between tags?
1520: # print "<b>TEXT $b_tok->[1]</b><br />";
1521: }
1522: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1523: # print "<b>END-TAG $b_tok->[1]</b><br />";
1524: # }
1525: }
1.303 albertel 1526: if (@randomlist) {
1527: my @idx_arr = (0 .. $#randomlist);
1528: &Apache::structuretags::shuffle(\@idx_arr);
1529: my $bodytext = '';
1530: my $show=$#randomlist;
1531: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1532: $showarg--;
1533: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1534: for(0 .. $show) {
1535: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1536: }
1537: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 1538: }
1539: } elsif ($target eq 'edit' ) {
1540: $result .=&Apache::edit::tag_start($target,$token);
1541: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1542: $token,5);
1543: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1544: } elsif ($target eq 'modified' ) {
1545: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1546: $safeeval,'show');
1547: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1548: }
1549: return $result;
1.7 tsai 1550: }
1551:
1552: sub shuffle {
1553: my $a=shift;
1554: my $i;
1.303 albertel 1555: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 1556: &Apache::response::pushrandomnumber();
1.159 albertel 1557: for($i=@$a;--$i;) {
1558: my $j=int(&Math::Random::random_uniform() * ($i+1));
1559: next if $i == $j;
1560: @$a[$i,$j] = @$a[$j,$i];
1561: }
1.251 albertel 1562: &Apache::response::poprandomnumber();
1.7 tsai 1563: }
1.6 tsai 1564: }
1565:
1566: sub end_randomlist {
1.159 albertel 1567: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1568: my $result;
1569: if ($target eq 'edit' ) {
1570: $result=&Apache::edit::tag_end($target,$token,
1571: 'End Randomly Parsed Block');
1572: }
1573: return $result;
1.6 tsai 1574: }
1575:
1.283 albertel 1576: sub ordered_show_check {
1577: my $last_part=$Apache::inputtags::partlist[-2];
1578: my $in_order=
1579: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1580: my $in_order_show=1;
1581: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1582: $in_order_show=&Apache::response::check_status($last_part);
1583: }
1584: return $in_order_show;
1585: }
1586:
1.11 albertel 1587: sub start_part {
1.326 albertel 1588: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 1589: if (!$Apache::lonxml::metamode) {
1590: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
1591: # duedates.
1592: }
1.159 albertel 1593: my $result='';
1.386 albertel 1594: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 1595: $Apache::inputtags::part=$id;
1.177 albertel 1596: push(@Apache::inputtags::partlist,$id);
1597: @Apache::inputtags::response=();
1.159 albertel 1598: @Apache::inputtags::previous=();
1599: @Apache::inputtags::previous_version=();
1.405 albertel 1600: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 1601: &Apache::response::reset_params();
1602:
1.159 albertel 1603: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1604: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1605: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1606: my $in_order_show=&ordered_show_check();
1.214 albertel 1607: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1608: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1609: &Apache::run::run($expression,$safeeval);
1.159 albertel 1610:
1611: if ($target eq 'meta') {
1.224 www 1612: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1613: return &Apache::response::mandatory_part_meta.
1614: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1615: } elsif ($target eq 'web' || $target eq 'grade' ||
1616: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1617: if ($hidden || !$in_order_show) {
1.326 albertel 1618: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 1619: } else {
1620: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1621: push (@Apache::inputtags::status,$status);
1622: my $expression='$external::datestatus="'.$status.'";';
1623: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1624: &Apache::run::run($expression,$safeeval);
1.284 albertel 1625: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1626: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1627: }
1.216 albertel 1628: if (( $status eq 'CLOSED' ) ||
1629: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1630: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1631: ( $status eq 'BANNED') ||
1632: ( $status eq 'UNAVAILABLE') ||
1633: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 1634: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
1635: $style);
1.159 albertel 1636: if ( $target eq "web" ) {
1.211 albertel 1637: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1638: } elsif ( $target eq 'tex' ) {
1.284 albertel 1639: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1640: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1641: } else {
1.211 albertel 1642: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1643: }
1.159 albertel 1644: }
1645: } else {
1646: if ($target eq 'tex') {
1.284 albertel 1647: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1648: if ($$tagstack[-2] eq 'td') {
1.388 foxr 1649: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 1650: } else {
1651: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1652: }
1.195 sakharuk 1653: }
1.159 albertel 1654: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1655: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1656: my @allkeys = split /,/,$allkeys;
1657: my $allow_print_points = 0;
1658: foreach my $partial_key (@allkeys) {
1.230 albertel 1659: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1660: if ($1 ne '0') {$allow_print_points=1;}
1661: }
1662: }
1.275 albertel 1663: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1664: if (defined($maxtries) && $maxtries < 0) {
1665: $allow_print_points=0;
1666: }
1.302 albertel 1667: if (lc($env{'course.'.$env{'request.course.id'}.
1668: '.disableexampointprint'}) eq 'yes') {
1669: $allow_print_points=0;
1670: }
1.222 sakharuk 1671: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1672: } elsif ($target eq 'web') {
1.356 www 1673: $result.='<a name="'.&escape($Apache::inputtags::part).'" />';
1.159 albertel 1674: }
1675: }
1676: }
1677: } elsif ($target eq 'edit') {
1678: $result.=&Apache::edit::tag_start($target,$token);
1679: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1680: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1681: ' '.
1682: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1683: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1684: } elsif ($target eq 'modified') {
1685: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1686: $safeeval,'id','display');
1.159 albertel 1687: if ($constructtag) {
1.225 albertel 1688: #limiting ids to only letters numbers, and space
1.224 www 1689: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1690: $result = &Apache::edit::rebuild_tag($token);
1691: }
1692: }
1693: return $result;
1.11 albertel 1694: }
1695:
1696: sub end_part {
1.159 albertel 1697: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1698: &Apache::lonxml::debug("in end_part $target ");
1699: my $status=$Apache::inputtags::status['-1'];
1700: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1701: my $in_order_show=&ordered_show_check();
1.321 albertel 1702: my $result;
1703: if (!$Apache::lonxml::metamode) {
1704: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 1705: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1706: }
1.312 albertel 1707: if ($target eq 'grade') {
1.249 albertel 1708: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1709: !$hidden && $in_order_show) {
1.311 foxr 1710: $result.=&Apache::inputtags::grade;
1.249 albertel 1711: } else {
1712: # move any submission data to .hidden
1713: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1714: }
1.283 albertel 1715: } elsif (($target eq 'web' || $target eq 'tex') &&
1716: !$hidden && $in_order_show) {
1.159 albertel 1717: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1718: $target);
1.212 albertel 1719: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1720: $gradestatus='';
1721: }
1.311 foxr 1722: $result.=$gradestatus;
1.265 sakharuk 1723: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1724: } elsif ($target eq 'edit') {
1.311 foxr 1725: $result.=&Apache::edit::end_table();
1.322 albertel 1726: } elsif ($target eq 'modified') {
1727: $result .= $token->[2];
1.159 albertel 1728: }
1729: pop @Apache::inputtags::status;
1730: $Apache::inputtags::part='';
1.295 albertel 1731: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 1732: return $result;
1.11 albertel 1733: }
1.1 albertel 1734:
1.25 albertel 1735: sub start_preduedate {
1.326 albertel 1736: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 1737: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1738: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 1739: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 1740: if (!$Apache::lonhomework::scantronmode &&
1741: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1742: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1743: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 1744: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 1745: }
1.24 albertel 1746: }
1.159 albertel 1747: return '';
1.24 albertel 1748: }
1749:
1.25 albertel 1750: sub end_preduedate {
1.159 albertel 1751: return '';
1.24 albertel 1752: }
1753:
1.369 foxr 1754: # In all the modes where <postanswerdate> text is
1755: # displayable, all we do is eat up the text between the start/stop
1756: # tags if the conditions are not right to display it.
1.25 albertel 1757: sub start_postanswerdate {
1.326 albertel 1758: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 1759: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
1760: &Apache::lonnet::allowed('pav',
1761: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 1762: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 1763: $target eq 'tex' ) {
1.300 albertel 1764: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 1765: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
1766: (($target eq 'tex') && !$pav)) {
1.326 albertel 1767: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 1768: }
1769: }
1770: return '';
1.24 albertel 1771: }
1772:
1.25 albertel 1773: sub end_postanswerdate {
1.159 albertel 1774: return '';
1.24 albertel 1775: }
1776:
1.25 albertel 1777: sub start_notsolved {
1.326 albertel 1778: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1779: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 1780: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 1781: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1782: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1783: if ($gradestatus =~ /^correct/ &&
1784: &Apache::response::show_answer()) {
1.159 albertel 1785: &Apache::lonxml::debug("skipping");
1.326 albertel 1786: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 1787: }
1.24 albertel 1788: }
1.159 albertel 1789: return '';
1.24 albertel 1790: }
1791:
1.25 albertel 1792: sub end_notsolved {
1.159 albertel 1793: return '';
1.24 albertel 1794: }
1795:
1796: sub start_solved {
1.326 albertel 1797: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1798: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1799: $target eq 'tex') {
1800: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1801: if ($gradestatus !~ /^correct/ ||
1802: !&Apache::response::show_answer()) {
1.326 albertel 1803: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 1804: }
1.24 albertel 1805: }
1.159 albertel 1806: return '';
1.24 albertel 1807: }
1808:
1809: sub end_solved {
1.248 albertel 1810: return '';
1811: }
1812:
1813: sub start_problemtype {
1.326 albertel 1814: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 1815: my $result;
1.339 albertel 1816: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1817: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 1818: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1819: if (!defined($mode)) { $mode='show'; }
1820: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1821: my $found=0;
1822: foreach my $type (split(',',$for)) {
1823: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1824: }
1825: if ($mode eq 'show' && !$found) {
1.326 albertel 1826: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1827: }
1828: if ($mode eq 'hide' && $found) {
1.326 albertel 1829: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1830: }
1831: } elsif ($target eq 'edit') {
1832: $result .=&Apache::edit::tag_start($target,$token);
1833: $result.=&Apache::edit::select_arg('Mode:','mode',
1834: [['show','Show'],
1835: ['hide','Hide']]
1836: ,$token);
1837: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1838: [ ['exam','Exam/Quiz Problem'],
1839: ['survey','Survey'],
1840: ['problem','Homework Problem'] ]
1841: ,$token);
1842: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1843: } elsif ($target eq 'modified') {
1844: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1845: $safeeval,'mode','for');
1846: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1847: }
1848: return $result;
1849: }
1850:
1851: sub end_problemtype {
1.159 albertel 1852: return '';
1.24 albertel 1853: }
1.34 albertel 1854:
1855: sub start_startouttext {
1.159 albertel 1856: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1857: my @result=(''.'');
1858: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 1859:
1860: my $nesting =
1861: &Apache::lonxml::set_state('outtext',
1862: &Apache::lonxml::get_state('outtext')+1);
1863: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
1864: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
1865: }
1.159 albertel 1866: return (@result);
1.34 albertel 1867: }
1.159 albertel 1868:
1.34 albertel 1869: sub end_startouttext {
1.326 albertel 1870: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1871: my $result='';
1872: my $text='';
1873:
1874: if ($target eq 'edit') {
1.326 albertel 1875: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.211 albertel 1876: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1877: <td>".&mt('Delete:').
1.159 albertel 1878: &Apache::edit::deletelist($target,$token)
1879: ."</td>
1.42 albertel 1880: <td>".
1.159 albertel 1881: &Apache::edit::insertlist($target,$token).
1.362 albertel 1882: '</td><td align="right" valign="top">' .
1883: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 1884: &Apache::edit::end_row().
1.362 albertel 1885: &Apache::edit::start_spanning_row()."\n".
1.255 www 1886: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 1887: }
1888: if ($target eq 'modified') {
1.219 albertel 1889: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1890: }
1891: if ($target eq 'tex') {
1892: $result .= '\noindent ';
1893: }
1894: return $result;
1.34 albertel 1895: }
1.159 albertel 1896:
1.34 albertel 1897: sub start_endouttext {
1.159 albertel 1898: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1899: my $result='';
1900: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1901: if ($target eq "modified") {
1902: $result='<endouttext />'.
1.377 albertel 1903: &Apache::edit::handle_insertafter('startouttext');
1904: }
1.404 albertel 1905:
1906: my $nesting =
1907: &Apache::lonxml::set_state('outtext',
1908: &Apache::lonxml::get_state('outtext')-1);
1909: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
1910: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
1911: &Apache::lonxml::set_state('outtext', 0);
1912: }
1.159 albertel 1913: return $result;
1.34 albertel 1914: }
1.159 albertel 1915:
1.34 albertel 1916: sub end_endouttext {
1.159 albertel 1917: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1918: my @result=('','');
1919: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1920: return (@result);
1.34 albertel 1921: }
1.159 albertel 1922:
1.45 albertel 1923: sub delete_startouttext {
1.326 albertel 1924: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1925: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 1926: my $text=$$parser['-1']->get_text("/endouttext");
1927: my $ntoken=$$parser['-1']->get_token();
1928: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1929: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1930: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1931: # they did the last time round
1932: &Apache::lonxml::increasedepth($ntoken);
1933: &Apache::lonxml::decreasedepth($ntoken);
1934: return 1;
1.193 www 1935: }
1936:
1937: sub start_simpleeditbutton {
1938: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1939: my $result='';
1.284 albertel 1940: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 1941: ($target eq 'web') &&
1.330 albertel 1942: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 1943: my $url=$env{'request.noversionuri'};
1.193 www 1944: $url=~s/\?.*$//;
1.367 albertel 1945: my ($symb) = &Apache::lonnet::whichuser();
1.194 www 1946: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.356 www 1947: '<a href="'.$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 1948: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1949: }
1950: return $result;
1951: }
1952:
1953: sub end_simpleeditbutton {
1954: return '';
1.45 albertel 1955: }
1.34 albertel 1956:
1.1 albertel 1957: 1;
1958: __END__
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