Annotation of loncom/homework/structuretags.pm, revision 1.416
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.416 ! raeburn 4: # $Id: structuretags.pm,v 1.415 2008/01/14 14:32:14 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: }
865: $form_tag_start.='<hr />';
1.162 albertel 866: }
1.324 albertel 867:
868: ($status,$accessmsg,my $slot_name,my $slot) =
869: &Apache::lonhomework::check_slot_access('0','problem');
1.159 albertel 870: push (@Apache::inputtags::status,$status);
1.324 albertel 871:
1.159 albertel 872: my $expression='$external::datestatus="'.$status.'";';
873: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
874: &Apache::run::run($expression,$safeeval);
875: &Apache::lonxml::debug("Got $status");
1.324 albertel 876:
1.159 albertel 877: if (( $status eq 'CLOSED' ) ||
878: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 879: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 880: ( $status eq 'BANNED') ||
1.216 albertel 881: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 882: ( $status eq 'NOT_IN_A_SLOT') ||
1.216 albertel 883: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 884: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
885: $style);
1.159 albertel 886: if ( $target eq "web" ) {
1.343 albertel 887: my $msg;
1.159 albertel 888: if ($status eq 'UNAVAILABLE') {
1.245 albertel 889: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.253 albertel 890: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 891: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 892: }
1.216 albertel 893: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 894: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 895: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 896: $msg.=&checkout_msg();
1.252 albertel 897: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 898: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 899: } elsif ($status eq 'NOT_IN_A_SLOT') {
900: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work.");
1.159 albertel 901: }
902: $result.=$msg.'<br />';
903: } elsif ($target eq 'tex') {
1.332 albertel 904: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
905: : '\begin{minipage}{\textwidth}';
906: $result.='\begin{document}\noindent \vskip 1 mm '.
907: $startminipage.'\vskip 0 mm';
1.159 albertel 908: if ($status eq 'UNAVAILABLE') {
1.211 albertel 909: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 910: } else {
1.211 albertel 911: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 912: }
913: }
1.324 albertel 914: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 915: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
916: $style);
1.324 albertel 917: if ($target eq 'web') {
1.375 albertel 918: $result .=
919: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 920: } elsif ($target eq 'grade') {
921: &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
922: 'problem');
923: }
1.159 albertel 924: } elsif ($target eq 'web') {
1.360 albertel 925: if ($status eq 'CAN_ANSWER'
926: && $slot_name ne ''
927: && $Apache::lonhomework::history{'resource.0.checkedin'} eq '') {
928: # unproctored slot access, self checkin
929: &Apache::bridgetask::check_in('problem',undef,undef,
930: $slot_name);
931: }
1.368 albertel 932: $result.="\n $form_tag_start \t".
1.227 albertel 933: '<input type="hidden" name="submitted" value="yes" />';
934: # create a page header and exit
1.284 albertel 935: if ($env{'request.state'} eq "construct") {
936: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.227 albertel 937: }
938: # if we are viewing someone else preserve that info
1.284 albertel 939: if (defined $env{'form.grade_symb'}) {
1.227 albertel 940: foreach my $field ('symb','courseid','domain','username') {
941: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 942: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 943: }
944: }
945: } elsif ($target eq 'tex') {
1.319 foxr 946: $result .= 'INSERTTEXFRONTMATTERHERE';
947:
1.99 sakharuk 948: }
1.159 albertel 949: } elsif ($target eq 'edit') {
1.343 albertel 950: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 951: $Apache::lonxml::warnings_error_header=
952: &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 953: my $temp=&Apache::edit::insertlist($target,$token);
954: $result.=$temp;
955: } elsif ($target eq 'modified') {
956: $result=$token->[4];
957: } else {
958: # page_start returned a starting result, delete it if we don't need it
959: $result = '';
1.99 sakharuk 960: }
1.159 albertel 961: return $result;
1.9 albertel 962: }
963:
964: sub end_problem {
1.159 albertel 965: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 966: my $result;
1.310 foxr 967:
1.321 albertel 968: if (!$Apache::lonxml::metamode) {
969: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 970: $Apache::lonxml::post_evaluate=0;
1.321 albertel 971: }
1.319 foxr 972:
973: if ($target eq 'tex') {
1.321 albertel 974: # Figure out the front matter and replace the
975: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
976: # this in end_problem because whether or not we display due
977: # dates depends on whether due dates have already been
978: # displayed in the problem parts.
979:
1.319 foxr 980: my $frontmatter = '';
981: my $startminipage = '';
982: if (not $env{'form.problem_split'}=~/yes/) {
983: $startminipage = '\begin{minipage}{\textwidth}';
984: }
985: my $id = $Apache::inputtags::part;
986: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
987: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
988: my @packages = split /,/,$packages;
989: my $allow_print_points = 0;
990: foreach my $partial_key (@packages) {
991: if ($partial_key=~m/^part_0$/) {
992: $allow_print_points=1;
993: }
994: }
995: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
996: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
997: if (lc($env{'course.'.$env{'request.course.id'}.
998: '.disableexampointprint'}) eq 'yes') {
999: $allow_print_points=0;
1000: }
1001: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1002: 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 ';
1003: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1004: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1005:
1006: # Figure out what the due date is and if we need to print
1007: # it in the problem header. We have been logging the
1008: # last due date written to file.
1009:
1010: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1011: my $duedate = POSIX::strftime("%c",localtime($duetime));
1012: my $temp_file;
1013: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1014:
1015: # Figure out what the last printed due date is or set it
1016: # to the epoch if no duedates have been printed.
1017:
1018: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1019: if (-e $filename) {
1020: $temp_file = Apache::File->new($filename);
1021: my @due_file = <$temp_file>;
1022: $due_file_content = $due_file[$#due_file];
1023: chomp $due_file_content;
1024: }
1025:
1026: # We display the due date iff it is not the same as the last
1027: # duedate in problem header ($due_file_content), and
1028: # none of our parts displayed a duedate.
1029: #
1030: my $parts_with_displayduedate;
1031: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1032: $parts_with_displayduedate =
1033: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1034: } else {
1035: $parts_with_displayduedate = 0;
1036: }
1037: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1038: $temp_file = Apache::File->new('>'.$filename);
1039: print $temp_file "$duetime\n";
1040: if (not $env{'request.symb'} =~ m/\.page_/) {
1041: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1042: $frontmatter .= $begin_doc.
1043: '\textit{Due date: '.$duedate.'} '.$toc_line;
1044: } else {
1045: $frontmatter.= $begin_doc.$toc_line;
1046: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1047: }
1048: } else {
1.381 albertel 1049: $frontmatter .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\'.$startminipage;
1.319 foxr 1050: }
1051: } else {
1052: if (not $env{'request.symb'} =~ m/\.page_/) {
1053: $frontmatter .= $begin_doc.$toc_line;
1054: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
1055: } else {
1.381 albertel 1056: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1057: }
1058: }
1059: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1060: }
1061:
1.159 albertel 1062: my $status=$Apache::inputtags::status['-1'];
1063: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1064: $target eq 'tex') {
1.249 albertel 1065: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1066: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1067: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1068: &Apache::inputtags::grade;
1.324 albertel 1069: } elsif ($status eq 'NEEDS_CHECKIN') {
1070: # no need to grade, and don't want to hide data
1.249 albertel 1071: } else {
1072: # move any submission data to .hidden
1073: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1074: }
1.159 albertel 1075: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1076: $Apache::inputtags::part eq '0' &&
1.252 albertel 1077: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 1078: # if part is zero, no <part>s existed, so we need show the current
1079: # grading status
1080: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1081: $result.= $gradestatus;
1082: }
1083: if (
1.284 albertel 1084: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1085: ($target eq 'answer') || ($target eq 'tex')
1086: ) {
1.227 albertel 1087: if ($target ne 'tex' &&
1.284 albertel 1088: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 1089: $result.="</form>";
1.348 albertel 1090: $result.= &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields());
1.159 albertel 1091: }
1092: if ($target eq 'web') {
1.346 albertel 1093: $result.= &Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1094: } elsif ($target eq 'tex') {
1.178 sakharuk 1095: my $endminipage = '';
1.284 albertel 1096: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1097: $endminipage = '\end{minipage}';
1098: }
1.284 albertel 1099: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1100: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1101: } else {
1.262 sakharuk 1102: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1103: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1104: $result .= $endminipage.'\end{document} ';
1105: } else {
1.382 albertel 1106: $result .= $endminipage;
1.262 sakharuk 1107: }
1.159 albertel 1108: }
1109: }
1110: }
1111: if ($target eq 'grade') {
1112: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1113: &finalize_storage();
1114: }
1.284 albertel 1115: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
1116: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 1117: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 1118: # normally we get it from above, but in CSTR
1.172 albertel 1119: # we always show answer mode too.
1.159 albertel 1120: }
1121: } elsif ($target eq 'meta') {
1122: if ($Apache::inputtags::part eq '0') {
1.179 albertel 1123: @Apache::inputtags::response=();
1.159 albertel 1124: $result=&Apache::response::mandatory_part_meta;
1125: }
1.215 albertel 1126: $result.=&Apache::response::meta_part_order();
1.258 albertel 1127: $result.=&Apache::response::meta_response_order();
1.159 albertel 1128: } elsif ($target eq 'edit') {
1129: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 1130: $result .= &problem_edit_footer();
1.320 albertel 1131: } elsif ($target eq 'modified') {
1132: $result .= $token->[2];
1.159 albertel 1133: }
1.155 albertel 1134:
1.284 albertel 1135: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 1136: &Apache::inputtags::check_for_duplicate_ids();
1137: }
1.204 albertel 1138:
1139: &reset_problem_globals('problem');
1.159 albertel 1140:
1141: return $result;
1.48 albertel 1142: }
1143:
1.108 albertel 1144:
1.48 albertel 1145: sub start_library {
1.159 albertel 1146: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 1147: my ($result,$form_tag_start);
1.371 albertel 1148: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 1149: &init_problem_globals('library');
1150: $Apache::lonhomework::type='problem';
1151: }
1.159 albertel 1152: if ($target eq 'edit') {
1.343 albertel 1153: ($result,$form_tag_start)=
1154: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1155: 'Edit');
1156: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 1157: my $temp=&Apache::edit::insertlist($target,$token);
1158: $result.=$temp;
1159: } elsif ($target eq 'modified') {
1160: $result=$token->[4];
1.340 albertel 1161: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 1162: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 1163: && $env{'request.state'} eq "construct" ) {
1.159 albertel 1164: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 1165: ($result,$form_tag_start)=
1166: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1167: $name);
1.159 albertel 1168: my $rndseed=&setup_rndseed($safeeval);
1.343 albertel 1169: $result.=" \n $form_tag_start".
1.159 albertel 1170: '<input type="hidden" name="submitted" value="yes" />';
1171: $result.=&problem_web_to_edit_header($rndseed);
1172: }
1173: return $result;
1.48 albertel 1174: }
1175:
1176: sub end_library {
1.159 albertel 1177: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1178: my $result='';
1179: if ($target eq 'edit') {
1180: $result=&problem_edit_footer();
1.371 albertel 1181: } elsif ($target eq 'web'
1182: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1183: && $env{'request.state'} eq "construct") {
1.349 albertel 1184: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1185: }
1.371 albertel 1186: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1187: &reset_problem_globals('library');
1188: }
1.159 albertel 1189: return $result;
1.197 www 1190: }
1191:
1192: sub start_definetag {
1.326 albertel 1193: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 1194:
1195: my $result;
1196:
1197: my $name = $token->[2]->{'name'};
1.326 albertel 1198: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 1199: if ($target eq 'web') {
1200: if ($name=~/^\//) {
1201: $result=
1202: '<br /><table class="LC_sty_end"><tr><th>'.
1203: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1204: } else {
1205: $result=
1206: '<br /><table class="LC_sty_begin"><tr><th>'.
1207: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1208: }
1209: $skip = &HTML::Entities::encode($skip, '<>&"');
1210: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 1211: }
1212: return $result;
1213: }
1214:
1215: sub end_definetag {
1216: return '';
1.1 albertel 1217: }
1218:
1219: sub start_block {
1.201 albertel 1220: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 1221:
1222: my $result;
1.1 albertel 1223:
1.339 albertel 1224: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1225: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 1226: my $code = $token->[2]->{'condition'};
1.385 albertel 1227: if (defined($code) && $code ne '') {
1.137 albertel 1228: if (!$Apache::lonxml::default_homework_loaded) {
1229: &Apache::lonxml::default_homework_load($safeeval);
1230: }
1.131 albertel 1231: $result = &Apache::run::run($code,$safeeval);
1232: &Apache::lonxml::debug("block :$code: returned :$result:");
1233: } else {
1234: $result='1';
1235: }
1236: if ( ! $result ) {
1.201 albertel 1237: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 1238: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1239: }
1240: $result='';
1241: } elsif ($target eq 'edit') {
1242: $result .=&Apache::edit::tag_start($target,$token);
1243: $result .=&Apache::edit::text_arg('Test Condition:','condition',
1244: $token,40);
1245: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1246: } elsif ($target eq 'modified') {
1247: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1248: $safeeval,'condition');
1249: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 1250: }
1.131 albertel 1251: return $result;
1.1 albertel 1252: }
1253:
1254: sub end_block {
1.167 www 1255: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1256: my $result;
1257: if ($target eq "edit") {
1258: $result.= &Apache::edit::tag_end($target,$token,'');
1259: }
1260: return $result;
1261: }
1262:
1263: sub start_languageblock {
1.201 albertel 1264: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 1265:
1266: my $result;
1267:
1.339 albertel 1268: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1269: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 1270: my $include = $token->[2]->{'include'};
1271: my $exclude = $token->[2]->{'exclude'};
1.398 www 1272: my @preferred_languages=&Apache::loncommon::preferred_languages();
1.394 www 1273: # This should not even happen, since we should at least have the server language
1.398 www 1274: if (!$preferred_languages[0]) { $preferred_languages[0]='en'; }
1275: # Now loop over all languages in order of preference
1276: foreach my $preferred_language (@preferred_languages) {
1.394 www 1277: # If the languageblock has no arguments, show the contents
1.399 www 1278: $result=1;
1279: my $found=0;
1.394 www 1280: # Do we have an include argument?
1.398 www 1281: if ($include) {
1.394 www 1282: # If include is specified, by default, don't render the block
1.399 www 1283: $result=0;
1.398 www 1284: foreach my $included_language (split(/\,/,$include)) {
1.394 www 1285: # ... but if my preferred language is included, render it
1.398 www 1286: if ($included_language eq $preferred_language) {
1.399 www 1287: $result=1;
1288: $found=1;
1.398 www 1289: }
1290: }
1291: }
1.394 www 1292: # Do we have an exclude argument?
1.398 www 1293: if ($exclude) {
1.399 www 1294: $result=1;
1.398 www 1295: foreach my $excluded_language (split(/\,/,$exclude)) {
1296: if ($excluded_language eq $preferred_language) {
1.399 www 1297: $result=0;
1298: $found=1;
1.398 www 1299: }
1300: }
1301: }
1.399 www 1302: if ($found) { last; }
1.398 www 1303: }
1.201 albertel 1304: if ( ! $result ) {
1305: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
1306: $style);
1307: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1308: }
1309: $result='';
1.167 www 1310: } elsif ($target eq 'edit') {
1311: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1312: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 1313: $token,40);
1.211 albertel 1314: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 1315: $token,40);
1316: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1317: } elsif ($target eq 'modified') {
1318: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 1319: $safeeval,'include',
1320: 'exclude');
1.167 www 1321: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1322: }
1323: return $result;
1324: }
1325:
1326: sub end_languageblock {
1.170 www 1327: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1328: my $result;
1.201 albertel 1329: if ($target eq "edit") {
1.170 www 1330: $result.= &Apache::edit::tag_end($target,$token,'');
1331: }
1332: return $result;
1333: }
1334:
1.397 albertel 1335: {
1336: my %available_texts;
1337: sub start_translated {
1338: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1339: &Apache::lonxml::register('Apache::structuretags',('lang'));
1340: undef(%available_texts);
1341: }
1342:
1343: sub end_translated {
1344: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1345: my $result;
1346: #show the translation on viewable targets
1347: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
1348: # or non-viewable targets, if it's embedded in something that
1349: # wants the output
1350: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
1351: && &Apache::lonxml::in_redirection() ) ) {
1352: my @possibilities = keys(%available_texts);
1353: my $which =
1354: &Apache::loncommon::languages(\@possibilities) || 'default';
1355: $result = $available_texts{$which};
1356: }
1357: undef(%available_texts);
1358: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
1359: return $result;
1360: }
1361:
1362:
1363: sub start_lang {
1364: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1365: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1366: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1367: &Apache::lonxml::startredirection();
1368: }
1369: return '';
1370: }
1371:
1372: sub end_lang {
1373: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1374: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1375: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1376: my $result = &Apache::lonxml::endredirection();
1377: my $which = &Apache::lonxml::get_param('which',$parstack,
1378: $safeeval);
1379: $available_texts{$which} = $result;
1380: }
1381: return '';
1382: }
1383: }
1384:
1.170 www 1385: sub start_instructorcomment {
1.201 albertel 1386: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 1387:
1388: my $result;
1389:
1.339 albertel 1390: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1391: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.284 albertel 1392: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
1393: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 1394: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
1395: $parser,$style);
1.170 www 1396: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1397: }
1398: $result='';
1399: } elsif ($target eq 'edit') {
1400: $result .=&Apache::edit::tag_start($target,$token);
1401: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1402: }
1403: return $result;
1404: }
1405:
1406: sub end_instructorcomment {
1.159 albertel 1407: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1408: my $result;
1409: if ($target eq "edit") {
1410: $result.= &Apache::edit::tag_end($target,$token,'');
1411: }
1412: return $result;
1.4 tsai 1413: }
1414:
1415: sub start_while {
1.326 albertel 1416: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1417:
1.160 albertel 1418: my $result;
1.339 albertel 1419: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1420: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1421: my $code = $token->[2]->{'condition'};
1.4 tsai 1422:
1.160 albertel 1423: push( @Apache::structuretags::whileconds, $code);
1424: if (!$Apache::lonxml::default_homework_loaded) {
1425: &Apache::lonxml::default_homework_load($safeeval);
1426: }
1427: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 1428: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 1429: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 1430: push( @Apache::structuretags::whileline, $token->[5]);
1431: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 1432: if ( $result ) {
1433: &Apache::lonxml::newparser($parser,\$bodytext);
1434: }
1435: } elsif ($target eq 'edit') {
1436: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1437: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 1438: $token,40);
1439: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1440: } elsif ($target eq 'modified') {
1441: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1442: $safeeval,'condition');
1443: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 1444: }
1.160 albertel 1445: return $result;
1.4 tsai 1446: }
1447:
1448: sub end_while {
1.159 albertel 1449: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1450: my $result;
1451:
1.339 albertel 1452: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1453: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1454: my $code = pop(@Apache::structuretags::whileconds);
1455: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1456: my $line = pop(@Apache::structuretags::whileline);
1457: my $return = &Apache::run::run($code,$safeeval);
1458: my $starttime=time;
1459: my $error=0;
1460: while ($return) {
1461: if (time-$starttime >
1462: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 1463: $return = 0; $error=1; next;
1.161 albertel 1464: }
1465: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 1466: if ($target eq 'grade' || $target eq 'answer' ||
1467: $target eq 'analyze') {
1468: # grade/answer/analyze should produce no output but if we
1469: # are redirecting, the redirecter should know what to do
1470: # with the output
1471: if (!$Apache::lonxml::redirection) { undef($result); }
1472: }
1.161 albertel 1473: $return = &Apache::run::run($code,$safeeval);
1474: }
1475: if ($error) {
1.270 albertel 1476: &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 1477: }
1478: } elsif ($target eq "edit") {
1479: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1480: }
1.160 albertel 1481: return $result;
1.1 albertel 1482: }
1.6 tsai 1483:
1.160 albertel 1484: # <randomlist show="1">
1.6 tsai 1485: # <tag1>..</tag1>
1486: # <tag2>..</tag2>
1487: # <tag3>..</tag3>
1.160 albertel 1488: # ...
1.6 tsai 1489: # </randomlist>
1490: sub start_randomlist {
1.326 albertel 1491: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1492: my $result;
1.339 albertel 1493: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1494: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 1495: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 1496: my $b_parser= HTML::LCParser->new(\$body);
1497: $b_parser->xml_mode(1);
1498: $b_parser->marked_sections(1);
1.159 albertel 1499: my $b_tok;
1500: my @randomlist;
1501: my $list_item;
1502: while($b_tok = $b_parser->get_token() ) {
1503: if($b_tok->[0] eq 'S') { # start tag
1504: # get content of the tag until matching end tag
1505: # get all text upto the matching tag
1506: # and push the content into @randomlist
1507: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1508: $b_parser);
1509: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1510: push(@randomlist,$list_item);
1511: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1512: # $list_item</b>";
1513: }
1514: if($b_tok->[0] eq 'T') { # text
1515: # what to do with text in between tags?
1516: # print "<b>TEXT $b_tok->[1]</b><br />";
1517: }
1518: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1519: # print "<b>END-TAG $b_tok->[1]</b><br />";
1520: # }
1521: }
1.303 albertel 1522: if (@randomlist) {
1523: my @idx_arr = (0 .. $#randomlist);
1524: &Apache::structuretags::shuffle(\@idx_arr);
1525: my $bodytext = '';
1526: my $show=$#randomlist;
1527: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1528: $showarg--;
1529: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1530: for(0 .. $show) {
1531: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1532: }
1533: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 1534: }
1535: } elsif ($target eq 'edit' ) {
1536: $result .=&Apache::edit::tag_start($target,$token);
1537: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1538: $token,5);
1539: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1540: } elsif ($target eq 'modified' ) {
1541: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1542: $safeeval,'show');
1543: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1544: }
1545: return $result;
1.7 tsai 1546: }
1547:
1548: sub shuffle {
1549: my $a=shift;
1550: my $i;
1.303 albertel 1551: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 1552: &Apache::response::pushrandomnumber();
1.159 albertel 1553: for($i=@$a;--$i;) {
1554: my $j=int(&Math::Random::random_uniform() * ($i+1));
1555: next if $i == $j;
1556: @$a[$i,$j] = @$a[$j,$i];
1557: }
1.251 albertel 1558: &Apache::response::poprandomnumber();
1.7 tsai 1559: }
1.6 tsai 1560: }
1561:
1562: sub end_randomlist {
1.159 albertel 1563: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1564: my $result;
1565: if ($target eq 'edit' ) {
1566: $result=&Apache::edit::tag_end($target,$token,
1567: 'End Randomly Parsed Block');
1568: }
1569: return $result;
1.6 tsai 1570: }
1571:
1.283 albertel 1572: sub ordered_show_check {
1573: my $last_part=$Apache::inputtags::partlist[-2];
1574: my $in_order=
1575: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1576: my $in_order_show=1;
1577: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1578: $in_order_show=&Apache::response::check_status($last_part);
1579: }
1580: return $in_order_show;
1581: }
1582:
1.11 albertel 1583: sub start_part {
1.326 albertel 1584: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 1585: if (!$Apache::lonxml::metamode) {
1586: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
1587: # duedates.
1588: }
1.159 albertel 1589: my $result='';
1.386 albertel 1590: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 1591: $Apache::inputtags::part=$id;
1.177 albertel 1592: push(@Apache::inputtags::partlist,$id);
1593: @Apache::inputtags::response=();
1.159 albertel 1594: @Apache::inputtags::previous=();
1595: @Apache::inputtags::previous_version=();
1.405 albertel 1596: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 1597: &Apache::response::reset_params();
1598:
1.159 albertel 1599: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1600: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1601: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1602: my $in_order_show=&ordered_show_check();
1.214 albertel 1603: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1604: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1605: &Apache::run::run($expression,$safeeval);
1.159 albertel 1606:
1607: if ($target eq 'meta') {
1.224 www 1608: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1609: return &Apache::response::mandatory_part_meta.
1610: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1611: } elsif ($target eq 'web' || $target eq 'grade' ||
1612: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1613: if ($hidden || !$in_order_show) {
1.326 albertel 1614: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 1615: } else {
1616: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1617: push (@Apache::inputtags::status,$status);
1618: my $expression='$external::datestatus="'.$status.'";';
1619: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1620: &Apache::run::run($expression,$safeeval);
1.284 albertel 1621: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1622: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1623: }
1.216 albertel 1624: if (( $status eq 'CLOSED' ) ||
1625: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1626: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1627: ( $status eq 'BANNED') ||
1628: ( $status eq 'UNAVAILABLE') ||
1629: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 1630: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
1631: $style);
1.159 albertel 1632: if ( $target eq "web" ) {
1.211 albertel 1633: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1634: } elsif ( $target eq 'tex' ) {
1.284 albertel 1635: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1636: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1637: } else {
1.211 albertel 1638: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1639: }
1.159 albertel 1640: }
1641: } else {
1642: if ($target eq 'tex') {
1.284 albertel 1643: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1644: if ($$tagstack[-2] eq 'td') {
1.388 foxr 1645: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 1646: } else {
1647: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1648: }
1.195 sakharuk 1649: }
1.159 albertel 1650: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1651: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1652: my @allkeys = split /,/,$allkeys;
1653: my $allow_print_points = 0;
1654: foreach my $partial_key (@allkeys) {
1.230 albertel 1655: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1656: if ($1 ne '0') {$allow_print_points=1;}
1657: }
1658: }
1.275 albertel 1659: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1660: if (defined($maxtries) && $maxtries < 0) {
1661: $allow_print_points=0;
1662: }
1.302 albertel 1663: if (lc($env{'course.'.$env{'request.course.id'}.
1664: '.disableexampointprint'}) eq 'yes') {
1665: $allow_print_points=0;
1666: }
1.222 sakharuk 1667: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1668: } elsif ($target eq 'web') {
1.356 www 1669: $result.='<a name="'.&escape($Apache::inputtags::part).'" />';
1.159 albertel 1670: }
1671: }
1672: }
1673: } elsif ($target eq 'edit') {
1674: $result.=&Apache::edit::tag_start($target,$token);
1675: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1676: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1677: ' '.
1678: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1679: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1680: } elsif ($target eq 'modified') {
1681: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1682: $safeeval,'id','display');
1.159 albertel 1683: if ($constructtag) {
1.225 albertel 1684: #limiting ids to only letters numbers, and space
1.224 www 1685: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1686: $result = &Apache::edit::rebuild_tag($token);
1687: }
1688: }
1689: return $result;
1.11 albertel 1690: }
1691:
1692: sub end_part {
1.159 albertel 1693: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1694: &Apache::lonxml::debug("in end_part $target ");
1695: my $status=$Apache::inputtags::status['-1'];
1696: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1697: my $in_order_show=&ordered_show_check();
1.321 albertel 1698: my $result;
1699: if (!$Apache::lonxml::metamode) {
1700: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 1701: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1702: }
1.312 albertel 1703: if ($target eq 'grade') {
1.249 albertel 1704: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1705: !$hidden && $in_order_show) {
1.311 foxr 1706: $result.=&Apache::inputtags::grade;
1.249 albertel 1707: } else {
1708: # move any submission data to .hidden
1709: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1710: }
1.283 albertel 1711: } elsif (($target eq 'web' || $target eq 'tex') &&
1712: !$hidden && $in_order_show) {
1.159 albertel 1713: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1714: $target);
1.212 albertel 1715: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1716: $gradestatus='';
1717: }
1.311 foxr 1718: $result.=$gradestatus;
1.265 sakharuk 1719: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1720: } elsif ($target eq 'edit') {
1.311 foxr 1721: $result.=&Apache::edit::end_table();
1.322 albertel 1722: } elsif ($target eq 'modified') {
1723: $result .= $token->[2];
1.159 albertel 1724: }
1725: pop @Apache::inputtags::status;
1726: $Apache::inputtags::part='';
1.295 albertel 1727: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 1728: return $result;
1.11 albertel 1729: }
1.1 albertel 1730:
1.25 albertel 1731: sub start_preduedate {
1.326 albertel 1732: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 1733: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1734: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 1735: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 1736: if (!$Apache::lonhomework::scantronmode &&
1737: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1738: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1739: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 1740: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 1741: }
1.24 albertel 1742: }
1.159 albertel 1743: return '';
1.24 albertel 1744: }
1745:
1.25 albertel 1746: sub end_preduedate {
1.159 albertel 1747: return '';
1.24 albertel 1748: }
1749:
1.369 foxr 1750: # In all the modes where <postanswerdate> text is
1751: # displayable, all we do is eat up the text between the start/stop
1752: # tags if the conditions are not right to display it.
1.25 albertel 1753: sub start_postanswerdate {
1.326 albertel 1754: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 1755: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
1756: &Apache::lonnet::allowed('pav',
1757: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 1758: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 1759: $target eq 'tex' ) {
1.300 albertel 1760: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 1761: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
1762: (($target eq 'tex') && !$pav)) {
1.326 albertel 1763: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 1764: }
1765: }
1766: return '';
1.24 albertel 1767: }
1768:
1.25 albertel 1769: sub end_postanswerdate {
1.159 albertel 1770: return '';
1.24 albertel 1771: }
1772:
1.25 albertel 1773: sub start_notsolved {
1.326 albertel 1774: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1775: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 1776: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 1777: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1778: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1779: if ($gradestatus =~ /^correct/ &&
1780: &Apache::response::show_answer()) {
1.159 albertel 1781: &Apache::lonxml::debug("skipping");
1.326 albertel 1782: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 1783: }
1.24 albertel 1784: }
1.159 albertel 1785: return '';
1.24 albertel 1786: }
1787:
1.25 albertel 1788: sub end_notsolved {
1.159 albertel 1789: return '';
1.24 albertel 1790: }
1791:
1792: sub start_solved {
1.326 albertel 1793: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1794: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1795: $target eq 'tex') {
1796: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1797: if ($gradestatus !~ /^correct/ ||
1798: !&Apache::response::show_answer()) {
1.326 albertel 1799: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 1800: }
1.24 albertel 1801: }
1.159 albertel 1802: return '';
1.24 albertel 1803: }
1804:
1805: sub end_solved {
1.248 albertel 1806: return '';
1807: }
1808:
1809: sub start_problemtype {
1.326 albertel 1810: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 1811: my $result;
1.339 albertel 1812: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1813: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 1814: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1815: if (!defined($mode)) { $mode='show'; }
1816: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1817: my $found=0;
1818: foreach my $type (split(',',$for)) {
1819: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1820: }
1821: if ($mode eq 'show' && !$found) {
1.326 albertel 1822: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1823: }
1824: if ($mode eq 'hide' && $found) {
1.326 albertel 1825: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1826: }
1827: } elsif ($target eq 'edit') {
1828: $result .=&Apache::edit::tag_start($target,$token);
1829: $result.=&Apache::edit::select_arg('Mode:','mode',
1830: [['show','Show'],
1831: ['hide','Hide']]
1832: ,$token);
1833: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1834: [ ['exam','Exam/Quiz Problem'],
1835: ['survey','Survey'],
1836: ['problem','Homework Problem'] ]
1837: ,$token);
1838: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1839: } elsif ($target eq 'modified') {
1840: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1841: $safeeval,'mode','for');
1842: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1843: }
1844: return $result;
1845: }
1846:
1847: sub end_problemtype {
1.159 albertel 1848: return '';
1.24 albertel 1849: }
1.34 albertel 1850:
1851: sub start_startouttext {
1.159 albertel 1852: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1853: my @result=(''.'');
1854: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 1855:
1856: my $nesting =
1857: &Apache::lonxml::set_state('outtext',
1858: &Apache::lonxml::get_state('outtext')+1);
1859: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
1860: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
1861: }
1.159 albertel 1862: return (@result);
1.34 albertel 1863: }
1.159 albertel 1864:
1.34 albertel 1865: sub end_startouttext {
1.326 albertel 1866: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1867: my $result='';
1868: my $text='';
1869:
1870: if ($target eq 'edit') {
1.326 albertel 1871: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.211 albertel 1872: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1873: <td>".&mt('Delete:').
1.159 albertel 1874: &Apache::edit::deletelist($target,$token)
1875: ."</td>
1.42 albertel 1876: <td>".
1.159 albertel 1877: &Apache::edit::insertlist($target,$token).
1.362 albertel 1878: '</td><td align="right" valign="top">' .
1879: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 1880: &Apache::edit::end_row().
1.362 albertel 1881: &Apache::edit::start_spanning_row()."\n".
1.255 www 1882: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 1883: }
1884: if ($target eq 'modified') {
1.219 albertel 1885: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1886: }
1887: if ($target eq 'tex') {
1888: $result .= '\noindent ';
1889: }
1890: return $result;
1.34 albertel 1891: }
1.159 albertel 1892:
1.34 albertel 1893: sub start_endouttext {
1.159 albertel 1894: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1895: my $result='';
1896: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1897: if ($target eq "modified") {
1898: $result='<endouttext />'.
1.377 albertel 1899: &Apache::edit::handle_insertafter('startouttext');
1900: }
1.404 albertel 1901:
1902: my $nesting =
1903: &Apache::lonxml::set_state('outtext',
1904: &Apache::lonxml::get_state('outtext')-1);
1905: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
1906: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
1907: &Apache::lonxml::set_state('outtext', 0);
1908: }
1.159 albertel 1909: return $result;
1.34 albertel 1910: }
1.159 albertel 1911:
1.34 albertel 1912: sub end_endouttext {
1.159 albertel 1913: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1914: my @result=('','');
1915: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1916: return (@result);
1.34 albertel 1917: }
1.159 albertel 1918:
1.45 albertel 1919: sub delete_startouttext {
1.326 albertel 1920: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1921: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 1922: my $text=$$parser['-1']->get_text("/endouttext");
1923: my $ntoken=$$parser['-1']->get_token();
1924: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1925: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1926: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1927: # they did the last time round
1928: &Apache::lonxml::increasedepth($ntoken);
1929: &Apache::lonxml::decreasedepth($ntoken);
1930: return 1;
1.193 www 1931: }
1932:
1933: sub start_simpleeditbutton {
1934: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1935: my $result='';
1.284 albertel 1936: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 1937: ($target eq 'web') &&
1.330 albertel 1938: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 1939: my $url=$env{'request.noversionuri'};
1.193 www 1940: $url=~s/\?.*$//;
1.367 albertel 1941: my ($symb) = &Apache::lonnet::whichuser();
1.194 www 1942: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.356 www 1943: '<a href="'.$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 1944: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1945: }
1946: return $result;
1947: }
1948:
1949: sub end_simpleeditbutton {
1950: return '';
1.45 albertel 1951: }
1.34 albertel 1952:
1.1 albertel 1953: 1;
1954: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to structuretags.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework