Annotation of loncom/homework/structuretags.pm, revision 1.345
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.345 ! albertel 4: # $Id: structuretags.pm,v 1.344 2006/04/14 21:09:54 albertel 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 );
1.78 harris41 41: BEGIN {
1.248 albertel 42: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));
1.10 albertel 43: }
44:
45: sub start_web {
1.326 albertel 46: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
47: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
1.339 albertel 48: if ($target eq 'web' || $target eq 'webgrade') {
1.200 albertel 49: return $bodytext;
1.159 albertel 50: }
51: return '';
1.10 albertel 52: }
53:
54: sub end_web {
1.44 ng 55: return '';
1.10 albertel 56: }
57:
58: sub start_tex {
1.326 albertel 59: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.198 sakharuk 60: my $result='';
1.326 albertel 61: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
1.200 albertel 62: if ($target eq 'tex') {
63: return $bodytext.' ';
1.159 albertel 64: }
1.198 sakharuk 65: return $result;;
1.10 albertel 66: }
67:
68: sub end_tex {
1.44 ng 69: return '';
1.9 albertel 70: }
71:
1.48 albertel 72: sub page_start {
1.345 ! albertel 73: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
! 74: $extra_head)=@_;
1.159 albertel 75: my %found;
1.207 albertel 76: foreach my $taginside (@$tagstack) {
1.159 albertel 77: foreach my $taglookedfor ('html','body','form') {
78: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
79: }
80: }
81:
1.343 albertel 82:
83: if ($target eq 'tex') {
84: return
85: &Apache::londefdef::start_html($target,$token,$tagstack,
86: $parstack,$parser,$safeeval);
87: }
88:
1.344 albertel 89: my %body_args;
90: if (defined($found{'html'})) {
91: $body_args{'skip_phases'}{'head'}=1;
92: } else {
1.343 albertel 93:
1.345 ! albertel 94: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 95:
1.336 albertel 96: my $css_href = &Apache::lonnet::EXT('resource.0.cssfile');
1.335 albertel 97: if ($css_href =~ /\S/) {
98: &Apache::lonxml::extlink($css_href);
1.343 albertel 99: $extra_head .=
1.335 albertel 100: '<link rel="stylesheet" type="text/css" href="'.$css_href.'" />';
101: }
1.327 albertel 102: if ($target eq 'edit') {
1.343 albertel 103: $extra_head.=&Apache::edit::js_change_detection().
104: "<script type=\"text/javascript\">\n".
105: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
106: &Apache::loncommon::browser_and_searcher_javascript().
107: "\n</script>\n";
108: }
1.159 albertel 109: }
1.343 albertel 110:
1.344 albertel 111: if (defined($found{'body'})) {
112: $body_args{'skip_phases'}{'body'}=1;
113: } elsif (!defined($found{'body'})
114: && $env{'request.state'} eq 'construct') {
1.343 albertel 115: if ($target eq 'web' || $target eq 'edit') {
1.344 albertel 116: # no extra args to bodytag
1.297 albertel 117: }
1.272 albertel 118: } elsif (!defined($found{'body'})) {
1.343 albertel 119: my %add_entries;
1.159 albertel 120: my $background=&Apache::lonxml::get_param('background',$parstack,
121: $safeeval);
1.343 albertel 122: if ($background ne '' ) {
123: $add_entries{'background'} = $background;
124: }
1.344 albertel 125:
1.290 albertel 126: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
127: $safeeval);
1.344 albertel 128: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
129:
130: $body_args{'bgcolor'} = $bgcolor;
131: $body_args{'no_title'} = 1;
132: $body_args{'force_register'} = 1;
133: $body_args{'add_entries'} = \%add_entries;
134: }
135:
136: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
137: \%body_args);
138:
139: if (!defined($found{'body'})
140: && $env{'request.state'} ne 'construct'
141: && ($target eq 'web' || $target eq 'webgrade')) {
142:
143: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonxml::whichuser();
144: if ($symb eq '' && !$publicuser) {
145: my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
146: $help=&mt("Browsing resource, all submissions are temporary.")."<br />";
147: $page_start .= $help;
1.159 albertel 148: }
1.344 albertel 149: }
150:
151: if (!defined($found{'body'})) {
1.343 albertel 152: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 153: }
1.344 albertel 154:
1.159 albertel 155: my $form_tag_start;
156: if (!defined($found{'form'})) {
1.337 albertel 157: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.338 albertel 158: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.327 albertel 159: $form_tag_start.=$uri.'" ';
160: if ($target eq 'edit') {
161: $form_tag_start.=&Apache::edit::form_change_detection();
162: }
163: $form_tag_start.='>';
1.159 albertel 164: }
1.344 albertel 165:
1.343 albertel 166: return ($page_start,$form_tag_start);
1.105 albertel 167: }
168:
1.141 matthew 169: #use Time::HiRes();
1.105 albertel 170: sub get_resource_name {
1.159 albertel 171: my ($parstack,$safeeval)=@_;
1.204 albertel 172: if (defined($Apache::lonhomework::name)) {
173: return $Apache::lonhomework::name;
174: }
1.279 albertel 175: my ($symb)=&Apache::lonxml::whichuser();
176: my $name=&Apache::lonnet::gettitle($symb);
1.159 albertel 177: if ($name eq '') {
178: $name=&Apache::lonnet::EXT('resource.title');
179: if ($name eq 'con_lost') { $name = ''; }
180: }
1.204 albertel 181: if ($name!~/\S+/) {
1.284 albertel 182: $name=$env{'request.uri'};
1.205 albertel 183: $name=~s-.*/([^/]+)$-$1-;
1.204 albertel 184: }
1.159 albertel 185: $Apache::lonhomework::name=$name;
186: return $name;
1.105 albertel 187: }
188:
189: sub setup_rndseed {
1.159 albertel 190: my ($safeeval)=@_;
191: my $rndseed;
1.162 albertel 192: my ($symb)=&Apache::lonxml::whichuser();
1.333 albertel 193: if ($env{'request.state'} eq "construct"
194: || $symb eq ''
195: || $Apache::lonhomework::type eq 'practice'
196: || $Apache::lonhomework::history{'resource.CODE'}) {
1.316 www 197: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 198: ['rndseed']);
1.284 albertel 199: $rndseed=$env{'form.rndseed'};
1.159 albertel 200: if (!$rndseed) {
1.162 albertel 201: $rndseed=$Apache::lonhomework::history{'rndseed'};
202: if (!$rndseed) {
203: $rndseed=time;
204: }
1.284 albertel 205: $env{'form.rndseed'}=$rndseed;
1.162 albertel 206: }
1.284 albertel 207: if ($env{'form.resetdata'} eq &mt('New Problem Variation') ||
208: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 209: srand(time);
210: $rndseed=int(rand(2100000000));
1.284 albertel 211: $env{'form.rndseed'}=$rndseed;
212: delete($env{'form.resetdata'});
213: delete($env{'form.newrandomization'});
1.159 albertel 214: }
1.187 albertel 215: if (defined($rndseed) && $rndseed ne int($rndseed)) {
1.307 albertel 216: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
1.187 albertel 217: }
1.247 albertel 218: if ($Apache::lonhomework::history{'resource.CODE'}) {
219: $rndseed=&Apache::lonnet::rndseed();
220: }
1.221 albertel 221: if ($safeeval) {
222: &Apache::lonxml::debug("Setting rndseed to $rndseed");
1.250 albertel 223: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.221 albertel 224: }
1.159 albertel 225: }
226: return $rndseed;
1.105 albertel 227: }
228:
1.268 albertel 229: sub remember_problem_state {
230: return '
1.284 albertel 231: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
232: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
233: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 234: }
235:
1.105 albertel 236: sub problem_edit_header {
1.268 albertel 237: return '<input type="hidden" name="submitted" value="edit" />'.
238: &Apache::structuretags::remember_problem_state().'
1.210 albertel 239: <input type="hidden" name="problemmode" value="'.&mt('Edit').'" />
1.243 matthew 240: <input type="submit" name="problemmode" accesskey="d" value="'.&mt('Discard Edits and View').'" />
1.328 albertel 241: <input '.&Apache::edit::submit_ask_anyway().' type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
1.243 matthew 242: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" /> <hr />
243: <input type="submit" name="submit" accesskey="s" value="'.&mt('Submit Changes and Edit').'" />
244: <input type="submit" name="submit" accesskey="v" value="'.&mt('Submit Changes and View').'" /><table><tr><td>'.
1.260 albertel 245: &Apache::loncommon::help_open_menu('','Problem Editing Help','Problem_Editor_XML_Index','',5,'Authoring',undef,undef,undef,'Problem Editing Help')
246: .'</td></tr></table>'.
1.282 albertel 247: '<table border="0" width="100%"><tr><td bgcolor="#DDDDDD">';
1.105 albertel 248: }
249:
250: sub problem_edit_footer {
1.210 albertel 251: return '</td></tr></table><br /><input type="submit" name="submit" value="'.&mt('Submit Changes and Edit').'" />
1.255 www 252: <input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />'.
253: &Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields).
1.342 albertel 254: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 255: }
256:
1.235 albertel 257: sub option {
258: my ($value,$name) = @_;
259: my $result ="<option value='".$value."' ";
1.284 albertel 260: if ($env{'form.'.$name} eq $value) {
1.235 albertel 261: $result.=" selected='on' ";
262: }
263: $result.='>';
264: return $result;
265: }
266:
1.105 albertel 267: sub problem_web_to_edit_header {
1.159 albertel 268: my ($rndseed)=@_;
1.313 albertel 269: my $result.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />';
270: if (!$Apache::lonhomework::parsing_a_task) {
271: $result .= '<input type="submit" name="problemmode" accesskey="e" value="'.&mt('Edit').'" />';
272: }
273: $result .= '<input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
1.243 matthew 274: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
275: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
1.210 albertel 276: <nobr><input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.270 albertel 277: <input type="text" name="rndseed" size="10" value="'.
1.175 albertel 278: $rndseed.'"
1.270 albertel 279: onchange="javascript:document.lonhomework.changerandseed.click()" /></nobr>
1.281 albertel 280: <label><input type="checkbox" name="showallfoils" ';
1.315 albertel 281: my $show_all_foils_text =
282: ($Apache::lonhomework::parsing_a_task) ?
283: &mt(' Show All Instances')
284: : &mt(' Show All Foils');
285:
1.284 albertel 286: if (defined($env{'form.showallfoils'})) { $result.='checked="on"'; }
1.315 albertel 287: $result.= ' />'.$show_all_foils_text.
1.228 www 288: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').
1.281 albertel 289: '</label><hr />';
1.313 albertel 290: if (!$Apache::lonhomework::parsing_a_task) {
291: $result.="
1.235 albertel 292: <nobr>
293: Problem Status:
294: <select name='problemstate'>
1.270 albertel 295: <option value=''></option>
1.235 albertel 296: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
297: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
298: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
299: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
300: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
301: </select>
302: </nobr>
303: <nobr>
304: Problem Type:
305: <select name='problemtype'>
1.270 albertel 306: <option value=''></option>
1.242 albertel 307: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
308: ".&option('problem','problemtype').&mt("Homework problem")."</option>
309: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.235 albertel 310: </select>
311: </nobr>
312: <nobr>
313: Feedback Mode:
314: <select name='problemstatus'>
315: <option value=''></option>
1.242 albertel 316: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
317: ".&option('no', 'problemstatus').&mt("Don't Show Feedback")."</option>
1.235 albertel 318: </select>
319: </nobr>
1.242 albertel 320: <input type='submit' name='changeproblemmode' value='".&mt("Change")."' />
1.235 albertel 321: <hr />";
1.313 albertel 322: my $numtoanalyze=$env{'form.numtoanalyze'};
323: if (!$numtoanalyze) { $numtoanalyze=20; }
324: $result.= '<input type="submit" name="problemmode" value='.
325: &mt('"Calculate answers').'" /> for
1.136 albertel 326: <input type="text" name="numtoanalyze" value="'.
1.210 albertel 327: $numtoanalyze.'" size="5" /> '.&mt('versions of this problem').
328: '.'.&Apache::loncommon::help_open_topic("Analyze_Problem",
1.176 albertel 329: '',undef,undef,300).
1.210 albertel 330: '<hr />';
1.313 albertel 331: }
1.159 albertel 332: return $result;
1.48 albertel 333: }
334:
1.65 albertel 335: sub initialize_storage {
1.159 albertel 336: %Apache::lonhomework::results=();
1.162 albertel 337: %Apache::lonhomework::history=();
1.159 albertel 338: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.333 albertel 339: if ($env{'request.state'} eq 'construct'
340: || $symb eq ''
341: || $Apache::lonhomework::type eq 'practice') {
342:
343: my $namespace = $symb || $env{'request.uri'};
344: if ($env{'form.resetdata'} eq &mt('Reset Submissions') ||
345: $env{'form.resetdata'} eq &mt('New Problem Variation') ||
346: $env{'form.newrandomization'} eq &mt('New Randomization')) {
347: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
348: &Apache::lonxml::debug("Attempt reset");
349: }
1.159 albertel 350: %Apache::lonhomework::history=
1.333 albertel 351: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.159 albertel 352: my ($temp)=keys %Apache::lonhomework::history ;
353: &Apache::lonxml::debug("Return message of $temp");
354: } else {
355: %Apache::lonhomework::history=
356: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
357: }
358: #ignore error conditions
1.67 albertel 359: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 360: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 361: }
362:
363: # -------------------------------------------------------------finalize_storage
364: # Stores away the result has to a student's environment
365: # checks form.grade_ for specific values, other wises stores
366: # to the running users environment
1.285 raeburn 367: # Will increment totals for attempts, students, and corrects
368: # if running user has student role.
1.65 albertel 369: sub finalize_storage {
1.159 albertel 370: my $result;
1.289 albertel 371: if (%Apache::lonhomework::results) {
1.323 albertel 372: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
373: delete(@Apache::lonhomework::results{@remove});
1.159 albertel 374: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.333 albertel 375: if ($env{'request.state'} eq 'construct'
376: || $symb eq ''
377: || $Apache::lonhomework::type eq 'practice') {
378: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 379: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 380: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 381: $namespace,'',$domain,$name);
1.159 albertel 382: &Apache::lonxml::debug('Construct Store return message:'.$result);
383: } else {
384: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
385: $symb,$courseid,$domain,$name);
386: &Apache::lonxml::debug('Store return message:'.$result);
1.285 raeburn 387: if ($env{'request.role'} =~/^st/) {
388: &store_aggregates($symb,$courseid);
389: }
1.159 albertel 390: }
1.323 albertel 391: } else {
392: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 393: }
1.159 albertel 394: return $result;
1.65 albertel 395: }
1.289 albertel 396: use Data::Dumper;
1.65 albertel 397:
1.285 raeburn 398: # -------------------------------------------------------------store_aggregates
399: # Sends hash of values to be incremented in nohist_resourcetracker.db
400: # for the course. Increments total number of attempts, unique students
401: # and corrects for each part for an instance of a problem, as appropriate.
402: sub store_aggregates {
403: my ($symb,$courseid) = @_;
1.286 albertel 404: my %aggregate;
405: my @parts;
1.288 albertel 406: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
407: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 408: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 409: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 410: push(@parts, $1);
1.285 raeburn 411: }
412: }
1.286 albertel 413: foreach my $part (@parts) {
414: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
415: eq 'APPROX_ANS' ||
416: $Apache::lonhomework::results{'resource.'.$part.'.award'}
417: eq 'EXACT_ANS') {
1.287 albertel 418: $aggregate{$symb."\0".$part."\0correct"} = 1;
1.285 raeburn 419: }
1.286 albertel 420: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1.287 albertel 421: $aggregate{$symb."\0".$part."\0users"} = 1;
1.292 raeburn 422: } else {
1.293 albertel 423: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1.292 raeburn 424: if ($last_reset) {
1.293 albertel 425: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1.292 raeburn 426: $aggregate{$symb."\0".$part."\0users"} = 1;
427: }
428: }
1.285 raeburn 429: }
1.287 albertel 430: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 431: }
1.292 raeburn 432: if (keys (%aggregate) > 0) {
1.289 albertel 433: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 434: $cdomain,$cname);
435: }
436: }
1.289 albertel 437:
1.65 albertel 438: sub checkout_msg {
1.211 albertel 439: my %lt=&Apache::lonlocal::texthash(
440: 'resource'=>'The resource needs to be checked out',
441: '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.',
442: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
443: 'checkout'=>'Check out Exam for Viewing',
444: 'checkout?'=>'Check out Exam?');
1.159 albertel 445: return (<<ENDCHECKOUT);
1.211 albertel 446: <h2>$lt{'resource'}</h2>
447: <p>$lt{'id_expln'}</p>
448: <font color="red">
449: <p>$lt{'warning'}</p>
1.91 albertel 450: </font>
1.284 albertel 451: <form name="checkout" method="POST" action="$env{'request.uri'}">
1.91 albertel 452: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 453: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 454: </form>
455: ENDCHECKOUT
456: }
457:
1.252 albertel 458: sub firstaccess_msg {
1.253 albertel 459: my ($time,$symb)=@_;
460: my ($map)=&Apache::lonnet::decode_symb($symb);
461: my $foldertitle=&Apache::lonnet::gettitle($map);
462: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.252 albertel 463: return (<<ENDCHECKOUT);
1.253 albertel 464: <h2>The resources in "$foldertitle" are open for a limited time. Once you click the 'Show Resource' button below you have $time to complete all resources "$foldertitle".</h2>
1.284 albertel 465: <form name="markaccess" method="POST" action="$env{'request.uri'}">
1.252 albertel 466: <input type="hidden" name="markaccess" value="yes" />
467: <input type="button" name="accessbutton" value="Show Resource" onClick="javascript:if (confirm('Start Timer?')) { document.markaccess.submit(); }" />
468: </form>
469: ENDCHECKOUT
470: }
471:
1.204 albertel 472: sub init_problem_globals {
473: my ($type)=@_;
474: #initialize globals
1.308 foxr 475: # For problems, we start out in part 0 (outside a <part> tag).
476: # and part 0 is used to describe the main body of the <problem>
477: #
1.204 albertel 478: if ($type eq 'problem') {
479: $Apache::inputtags::part='0';
480: @Apache::inputtags::partlist=('0');
1.266 albertel 481: $Apache::lonhomework::problemstatus=&get_problem_status('0');
482: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 483:
1.266 albertel 484: } elsif ($type eq 'library') {
1.204 albertel 485: $Apache::inputtags::part='';
486: @Apache::inputtags::partlist=();
487: $Apache::lonhomework::problemstatus='';
1.266 albertel 488: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 489:
1.304 albertel 490: } elsif ($type eq 'Task') {
491: $Apache::inputtags::part='0';
492: @Apache::inputtags::partlist=('0');
493: $Apache::lonhomework::problemstatus='';
494: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 495: }
496: @Apache::inputtags::responselist = ();
497: @Apache::inputtags::importlist = ();
498: @Apache::inputtags::previous=();
499: @Apache::inputtags::previous_version=();
500: $Apache::structuretags::printanswer='No';
501: @Apache::structuretags::whileconds=();
502: @Apache::structuretags::whilebody=();
503: @Apache::structuretags::whileline=();
504: $Apache::lonhomework::scantronmode=0;
505: undef($Apache::lonhomework::name);
506:
507: }
508:
509: sub reset_problem_globals {
510: my ($type)=@_;
511: undef(%Apache::lonhomework::history);
512: undef(%Apache::lonhomework::results);
513: undef($Apache::inputtags::part);
1.208 albertel 514: #don't undef this, lonhomework.pm takes care of this, we use this to
515: #detect if we try to do 2 problems in one file
516: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 517: undef($Apache::lonhomework::name);
518: }
519:
1.241 albertel 520: sub set_problem_state {
1.240 albertel 521: my ($part)=@_;
1.284 albertel 522: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 523: $Apache::lonhomework::history{"resource.$part.solved"}=
524: 'correct_by_student';
525: }
526: }
527:
1.241 albertel 528: sub get_problem_status {
529: my ($part)=@_;
1.267 albertel 530: my $problem_status;
1.284 albertel 531: if ($env{'request.state'} eq 'construct' &&
532: defined($env{'form.problemstatus'})) {
533: $problem_status=$env{'form.problemstatus'};
1.267 albertel 534: } else {
535: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
536: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 537: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 538: }
539: return $problem_status;
540: }
541:
1.9 albertel 542: sub start_problem {
1.326 albertel 543: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 544:
1.311 foxr 545: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 546: if (!$Apache::lonxml::metamode) {
547: &Apache::lonxml::startredirection();
548: }
1.311 foxr 549:
1.308 foxr 550: # Problems don't nest and we don't allow more than one <problem> in
551: # a .problem file.
552: #
1.184 albertel 553: if ( $Apache::inputtags::part ne '' ||
554: $Apache::lonhomework::parsing_a_problem) {
555: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 556: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 557: return '';
558: }
1.184 albertel 559:
560: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 561: &init_problem_globals('problem');
1.166 albertel 562:
1.284 albertel 563: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 564: $Apache::lonhomework::scantronmode=1;
565: }
1.161 albertel 566:
1.246 albertel 567: &initialize_storage();
1.159 albertel 568: if ($target ne 'analyze') {
569: if ($target eq 'web') {
570: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.238 albertel 571: }
1.284 albertel 572: if ($env{'request.state'} eq 'construct') { &set_problem_state('0'); }
1.159 albertel 573: $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
1.284 albertel 574: if (($env{'request.state'} eq 'construct') &&
575: defined($env{'form.problemtype'})) {
576: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 577: }
1.332 albertel 578: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 579: }
1.164 albertel 580: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 581: my $uri=$env{'request.uri'};
1.159 albertel 582: if ($uri=~/\.(\w+)$/) {
583: $Apache::lonhomework::type=$1;
584: &Apache::lonxml::debug("Using type of $1");
585: } else {
586: $Apache::lonhomework::type='problem';
587: &Apache::lonxml::debug("Using default type, problem, :$uri:");
588: }
1.87 albertel 589: }
1.301 albertel 590: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 591:
1.159 albertel 592: #added vars to the scripting enviroment
1.213 albertel 593: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 594: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 595: &Apache::run::run($expression,$safeeval);
1.159 albertel 596: my $status;
597: my $accessmsg;
598:
599: #should get back a <html> or the neccesary stuff to start XML/MathML
1.343 albertel 600: my $name= &get_resource_name($parstack,$safeeval);
601: my ($result,$form_tag_start)=
602: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
603: $name);
1.284 albertel 604: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 605:
606: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
607: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
608: $target eq 'tex') {
609: #handle exam checkout
610: if ($Apache::lonhomework::type eq 'exam') {
611: my $token=
612: $Apache::lonhomework::history{"resource.0.outtoken"};
1.284 albertel 613: if (($env{'form.doescheckout'}) && (!$token)) {
1.159 albertel 614: $token=&Apache::lonxml::maketoken();
615: $Apache::lonhomework::history{"resource.0.outtoken"}=
616: $token;
617: }
1.343 albertel 618: $result.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 619: }
1.284 albertel 620: if ($env{'form.markaccess'}) {
1.252 albertel 621: &Apache::lonnet::set_first_access('map');
622: }
1.159 albertel 623: #handle rand seed in construction space
624: my $rndseed=&setup_rndseed($safeeval);
1.162 albertel 625: my ($symb)=&Apache::lonxml::whichuser();
1.333 albertel 626: if ($env{'request.state'} ne "construct" &&
627: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 628: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
629: $rndseed.'" />'.
630: '<input type="submit" name="resetdata"
1.334 albertel 631: value="'.&mt('New Problem Variation').'" />';
632: if (exists($env{'form.username'})) {
633: $form_tag_start.=
1.164 albertel 634: '<input type="hidden" name="username"
1.284 albertel 635: value="'.$env{'form.username'}.'" />';
1.334 albertel 636: }
1.333 albertel 637: if ($env{'request.role.adv'}) {
1.267 albertel 638: $form_tag_start.=
1.300 albertel 639: ' <label><input type="checkbox" name="showallfoils" ';
1.284 albertel 640: if (defined($env{'form.showallfoils'})) {
1.267 albertel 641: $form_tag_start.='checked="on"';
642: }
1.300 albertel 643: $form_tag_start.= ' />'.&mt(' Show All Foils').
644: '</label>';
1.267 albertel 645: }
646: $form_tag_start.='<hr />';
1.162 albertel 647: }
1.324 albertel 648:
649: ($status,$accessmsg,my $slot_name,my $slot) =
650: &Apache::lonhomework::check_slot_access('0','problem');
1.159 albertel 651: push (@Apache::inputtags::status,$status);
1.324 albertel 652:
1.159 albertel 653: my $expression='$external::datestatus="'.$status.'";';
654: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
655: &Apache::run::run($expression,$safeeval);
656: &Apache::lonxml::debug("Got $status");
1.324 albertel 657:
1.159 albertel 658: if (( $status eq 'CLOSED' ) ||
659: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 660: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 661: ( $status eq 'BANNED') ||
1.216 albertel 662: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 663: ( $status eq 'NOT_IN_A_SLOT') ||
1.216 albertel 664: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 665: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
666: $style);
1.159 albertel 667: if ( $target eq "web" ) {
1.343 albertel 668: my $msg;
1.159 albertel 669: if ($status eq 'UNAVAILABLE') {
1.245 albertel 670: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.253 albertel 671: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 672: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 673: }
1.216 albertel 674: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.159 albertel 675: $msg.='The problem '.$accessmsg;
676: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 677: $msg.=&checkout_msg();
1.252 albertel 678: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 679: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 680: } elsif ($status eq 'NOT_IN_A_SLOT') {
681: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work.");
1.159 albertel 682: }
683: $result.=$msg.'<br />';
684: } elsif ($target eq 'tex') {
1.332 albertel 685: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
686: : '\begin{minipage}{\textwidth}';
687: $result.='\begin{document}\noindent \vskip 1 mm '.
688: $startminipage.'\vskip 0 mm';
1.159 albertel 689: if ($status eq 'UNAVAILABLE') {
1.211 albertel 690: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 691: } else {
1.211 albertel 692: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 693: }
694: }
1.324 albertel 695: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 696: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
697: $style);
1.324 albertel 698: if ($target eq 'web') {
699: $result .= &Apache::bridgetask::proctor_validation_screen();
700: } elsif ($target eq 'grade') {
701: &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
702: 'problem');
703: }
1.159 albertel 704: } elsif ($target eq 'web') {
1.343 albertel 705: $result.="\n $form_tag_start".
1.227 albertel 706: '<input type="hidden" name="submitted" value="yes" />';
707: # create a page header and exit
1.284 albertel 708: if ($env{'request.state'} eq "construct") {
709: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.227 albertel 710: }
711: # if we are viewing someone else preserve that info
1.284 albertel 712: if (defined $env{'form.grade_symb'}) {
1.227 albertel 713: foreach my $field ('symb','courseid','domain','username') {
714: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 715: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 716: }
717: }
718: } elsif ($target eq 'tex') {
1.319 foxr 719: $result .= 'INSERTTEXFRONTMATTERHERE';
720:
1.99 sakharuk 721: }
1.159 albertel 722: } elsif ($target eq 'edit') {
1.343 albertel 723: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 724: $Apache::lonxml::warnings_error_header=
725: &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 726: my $temp=&Apache::edit::insertlist($target,$token);
727: $result.=$temp;
728: } elsif ($target eq 'modified') {
729: $result=$token->[4];
730: $result.=&Apache::edit::handle_insert();
731: } else {
732: # page_start returned a starting result, delete it if we don't need it
733: $result = '';
1.99 sakharuk 734: }
1.159 albertel 735: return $result;
1.9 albertel 736: }
737:
738: sub end_problem {
1.159 albertel 739: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 740: my $result;
1.310 foxr 741:
1.321 albertel 742: if (!$Apache::lonxml::metamode) {
743: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 744: $Apache::lonxml::post_evaluate=0;
1.321 albertel 745: }
1.319 foxr 746:
747: if ($target eq 'tex') {
1.321 albertel 748:
749: # Figure out the front matter and replace the
750: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
751: # this in end_problem because whether or not we display due
752: # dates depends on whether due dates have already been
753: # displayed in the problem parts.
754:
1.319 foxr 755: my $frontmatter = '';
756: my $startminipage = '';
757: if (not $env{'form.problem_split'}=~/yes/) {
758: $startminipage = '\begin{minipage}{\textwidth}';
759: }
760: my $id = $Apache::inputtags::part;
761: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
762: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
763: my @packages = split /,/,$packages;
764: my $allow_print_points = 0;
765: foreach my $partial_key (@packages) {
766: if ($partial_key=~m/^part_0$/) {
767: $allow_print_points=1;
768: }
769: }
770: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
771: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
772: if (lc($env{'course.'.$env{'request.course.id'}.
773: '.disableexampointprint'}) eq 'yes') {
774: $allow_print_points=0;
775: }
776: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
777: 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 ';
778: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
779: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
780:
781: # Figure out what the due date is and if we need to print
782: # it in the problem header. We have been logging the
783: # last due date written to file.
784:
785: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
786: my $duedate = POSIX::strftime("%c",localtime($duetime));
787: my $temp_file;
788: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
789:
790: # Figure out what the last printed due date is or set it
791: # to the epoch if no duedates have been printed.
792:
793: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
794: if (-e $filename) {
795: $temp_file = Apache::File->new($filename);
796: my @due_file = <$temp_file>;
797: $due_file_content = $due_file[$#due_file];
798: chomp $due_file_content;
799: }
800:
801: # We display the due date iff it is not the same as the last
802: # duedate in problem header ($due_file_content), and
803: # none of our parts displayed a duedate.
804: #
805: my $parts_with_displayduedate;
806: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
807: $parts_with_displayduedate =
808: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
809: } else {
810: $parts_with_displayduedate = 0;
811: }
812: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
813: $temp_file = Apache::File->new('>'.$filename);
814: print $temp_file "$duetime\n";
815: if (not $env{'request.symb'} =~ m/\.page_/) {
816: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
817: $frontmatter .= $begin_doc.
818: '\textit{Due date: '.$duedate.'} '.$toc_line;
819: } else {
820: $frontmatter.= $begin_doc.$toc_line;
821: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
822: }
823: } else {
824: $frontmatter .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\';
825: }
826: } else {
827: if (not $env{'request.symb'} =~ m/\.page_/) {
828: $frontmatter .= $begin_doc.$toc_line;
829: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $frontmatter .= '\fbox{\textit{'.$weight.' pt}}';}
830: } else {
831: $frontmatter .= '\vskip 1mm \\\\\\\\';
832: }
833: }
834: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
835: }
836:
1.159 albertel 837: my $status=$Apache::inputtags::status['-1'];
838: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
839: $target eq 'tex') {
1.249 albertel 840: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 841: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 842: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
843: &Apache::inputtags::grade;
1.324 albertel 844: } elsif ($status eq 'NEEDS_CHECKIN') {
845: # no need to grade, and don't want to hide data
1.249 albertel 846: } else {
847: # move any submission data to .hidden
848: &Apache::inputtags::hidealldata($Apache::inputtags::part);
849: }
1.159 albertel 850: } elsif ( ($target eq 'web' || $target eq 'tex') &&
851: $Apache::inputtags::part eq '0' &&
1.252 albertel 852: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 853: # if part is zero, no <part>s existed, so we need show the current
854: # grading status
855: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
856: $result.= $gradestatus;
857: }
858: if (
1.284 albertel 859: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 860: ($target eq 'answer') || ($target eq 'tex')
861: ) {
1.227 albertel 862: if ($target ne 'tex' &&
1.284 albertel 863: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 864: $result.="</form>";
865: $result.=&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields);
1.159 albertel 866: }
867: if ($target eq 'web') {
1.281 albertel 868: $result.=&Apache::lonxml::xmlend().'</html>';
1.159 albertel 869: } elsif ($target eq 'tex') {
1.178 sakharuk 870: my $endminipage = '';
1.284 albertel 871: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 872: $endminipage = '\end{minipage}';
873: }
1.284 albertel 874: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 875: $result.=&Apache::lonxml::xmlend($target,$parser);
1.257 sakharuk 876: $result=~s/<\/html>//;
1.159 albertel 877: } else {
1.262 sakharuk 878: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 879: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 880: $result .= $endminipage.'\end{document} ';
881: } else {
882: $result .= '';
883: }
1.159 albertel 884: }
885: }
886: }
887: if ($target eq 'grade') {
888: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
889: &finalize_storage();
890: }
1.284 albertel 891: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
892: && $env{'form.answer_output_mode'} ne 'tex') {
1.294 albertel 893: $result.=&Apache::lonxml::xmlend().'</html>';
894: # normally we get it from above, but in CSTR
1.172 albertel 895: # we always show answer mode too.
1.159 albertel 896: }
897: } elsif ($target eq 'meta') {
898: if ($Apache::inputtags::part eq '0') {
1.179 albertel 899: @Apache::inputtags::response=();
1.159 albertel 900: $result=&Apache::response::mandatory_part_meta;
901: }
1.215 albertel 902: $result.=&Apache::response::meta_part_order();
1.258 albertel 903: $result.=&Apache::response::meta_response_order();
1.159 albertel 904: } elsif ($target eq 'edit') {
905: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 906: $result .= &problem_edit_footer();
1.320 albertel 907: } elsif ($target eq 'modified') {
908: $result .= $token->[2];
909: $result.=&Apache::edit::handle_insertafter($token->[1]);
1.159 albertel 910: }
1.155 albertel 911:
1.284 albertel 912: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 913: &Apache::inputtags::check_for_duplicate_ids();
914: }
1.204 albertel 915:
916: &reset_problem_globals('problem');
1.159 albertel 917:
918: return $result;
1.48 albertel 919: }
920:
1.108 albertel 921:
1.48 albertel 922: sub start_library {
1.159 albertel 923: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 924: my ($result,$form_tag_start);
1.244 albertel 925: if ($$tagstack[0] eq 'library') {
926: &init_problem_globals('library');
927: $Apache::lonhomework::type='problem';
928: }
1.159 albertel 929: if ($target eq 'edit') {
1.343 albertel 930: ($result,$form_tag_start)=
931: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
932: 'Edit');
933: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 934: my $temp=&Apache::edit::insertlist($target,$token);
935: $result.=$temp;
936: } elsif ($target eq 'modified') {
937: $result=$token->[4];
938: $result.=&Apache::edit::handle_insert();
1.340 albertel 939: } elsif (($target eq 'web' || $target eq 'webgrade')
940: && $$tagstack[0] eq 'library'
941: && $env{'request.state'} eq "construct" ) {
1.159 albertel 942: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 943: ($result,$form_tag_start)=
944: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
945: $name);
1.159 albertel 946: my $rndseed=&setup_rndseed($safeeval);
1.343 albertel 947: $result.=" \n $form_tag_start".
1.159 albertel 948: '<input type="hidden" name="submitted" value="yes" />';
949: $result.=&problem_web_to_edit_header($rndseed);
950: }
951: return $result;
1.48 albertel 952: }
953:
954: sub end_library {
1.159 albertel 955: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
956: my $result='';
957: if ($target eq 'edit') {
958: $result=&problem_edit_footer();
959: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
1.284 albertel 960: $env{'request.state'} eq "construct") {
1.342 albertel 961: $result.='</form>'.&Apache::lonxml::xmlend();
1.159 albertel 962: }
1.204 albertel 963: if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };
1.159 albertel 964: return $result;
1.197 www 965: }
966:
967: sub start_definetag {
1.326 albertel 968: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 969:
970: my $result;
971:
972: my $name = $token->[2]->{'name'};
1.326 albertel 973: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.197 www 974: if ($name=~/^\//) {
975: $result=
976: '<br /><table bgcolor="#FFBBBB"><tr><th>END <tt>'.$name.'</tt></th></tr>';
977: } else {
978: $result=
979: '<br /><table bgcolor="#BBFFBB"><tr><th>BEGIN <tt>'.$name.'</tt></th></tr>';
980: }
981: $skip=~s/\</\<\;/gs;
982: $skip=~s/\>/\>\;/gs;
983: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
984: return $result;
985: }
986:
987: sub end_definetag {
988: return '';
1.1 albertel 989: }
990:
991: sub start_block {
1.201 albertel 992: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 993:
994: my $result;
1.1 albertel 995:
1.339 albertel 996: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
997: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 998: my $code = $token->[2]->{'condition'};
1.201 albertel 999: if (defined($code)) {
1.137 albertel 1000: if (!$Apache::lonxml::default_homework_loaded) {
1001: &Apache::lonxml::default_homework_load($safeeval);
1002: }
1.131 albertel 1003: $result = &Apache::run::run($code,$safeeval);
1004: &Apache::lonxml::debug("block :$code: returned :$result:");
1005: } else {
1006: $result='1';
1007: }
1008: if ( ! $result ) {
1.201 albertel 1009: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 1010: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1011: }
1012: $result='';
1013: } elsif ($target eq 'edit') {
1014: $result .=&Apache::edit::tag_start($target,$token);
1015: $result .=&Apache::edit::text_arg('Test Condition:','condition',
1016: $token,40);
1017: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1018: } elsif ($target eq 'modified') {
1019: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1020: $safeeval,'condition');
1021: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 1022: }
1.131 albertel 1023: return $result;
1.1 albertel 1024: }
1025:
1026: sub end_block {
1.167 www 1027: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1028: my $result;
1029: if ($target eq "edit") {
1030: $result.= &Apache::edit::tag_end($target,$token,'');
1031: }
1032: return $result;
1033: }
1034:
1035: sub start_languageblock {
1.201 albertel 1036: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 1037:
1038: my $result;
1039:
1.339 albertel 1040: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1041: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 1042: my $include = $token->[2]->{'include'};
1043: my $exclude = $token->[2]->{'exclude'};
1044: my %languages=&Apache::loncommon::display_languages();
1045: $result='1';
1046: if ($include) {
1047: $result='';
1048: foreach (split(/\,/,$include)) {
1049: if ($languages{$_}) { $result='1'; }
1050: }
1051: }
1052: if ($exclude) {
1053: foreach (split(/\,/,$exclude)) {
1054: if ($languages{$_}) { $result='0'; }
1055: }
1056: }
1057: if ( ! $result ) {
1058: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
1059: $style);
1060: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1061: }
1062: $result='';
1.167 www 1063: } elsif ($target eq 'edit') {
1064: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1065: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 1066: $token,40);
1.211 albertel 1067: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 1068: $token,40);
1069: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1070: } elsif ($target eq 'modified') {
1071: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 1072: $safeeval,'include',
1073: 'exclude');
1.167 www 1074: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1075: }
1076: return $result;
1077: }
1078:
1079: sub end_languageblock {
1.170 www 1080: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1081: my $result;
1.201 albertel 1082: if ($target eq "edit") {
1.170 www 1083: $result.= &Apache::edit::tag_end($target,$token,'');
1084: }
1085: return $result;
1086: }
1087:
1088: sub start_instructorcomment {
1.201 albertel 1089: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 1090:
1091: my $result;
1092:
1.339 albertel 1093: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1094: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.284 albertel 1095: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
1096: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 1097: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
1098: $parser,$style);
1.170 www 1099: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1100: }
1101: $result='';
1102: } elsif ($target eq 'edit') {
1103: $result .=&Apache::edit::tag_start($target,$token);
1104: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1105: }
1106: return $result;
1107: }
1108:
1109: sub end_instructorcomment {
1.159 albertel 1110: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1111: my $result;
1112: if ($target eq "edit") {
1113: $result.= &Apache::edit::tag_end($target,$token,'');
1114: }
1115: return $result;
1.4 tsai 1116: }
1117:
1118: sub start_while {
1.326 albertel 1119: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1120:
1.160 albertel 1121: my $result;
1.339 albertel 1122: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1123: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1124: my $code = $token->[2]->{'condition'};
1.4 tsai 1125:
1.160 albertel 1126: push( @Apache::structuretags::whileconds, $code);
1127: if (!$Apache::lonxml::default_homework_loaded) {
1128: &Apache::lonxml::default_homework_load($safeeval);
1129: }
1130: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 1131: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 1132: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 1133: push( @Apache::structuretags::whileline, $token->[5]);
1134: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 1135: if ( $result ) {
1136: &Apache::lonxml::newparser($parser,\$bodytext);
1137: }
1138: } elsif ($target eq 'edit') {
1139: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1140: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 1141: $token,40);
1142: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1143: } elsif ($target eq 'modified') {
1144: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1145: $safeeval,'condition');
1146: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 1147: }
1.160 albertel 1148: return $result;
1.4 tsai 1149: }
1150:
1151: sub end_while {
1.159 albertel 1152: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1153: my $result;
1154:
1.339 albertel 1155: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1156: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 1157: my $code = pop(@Apache::structuretags::whileconds);
1158: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1159: my $line = pop(@Apache::structuretags::whileline);
1160: my $return = &Apache::run::run($code,$safeeval);
1161: my $starttime=time;
1162: my $error=0;
1163: while ($return) {
1164: if (time-$starttime >
1165: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.270 albertel 1166: #$return = 0; $error=1; next;
1.161 albertel 1167: }
1168: $result.=&Apache::scripttag::xmlparse($bodytext);
1169: $return = &Apache::run::run($code,$safeeval);
1170: }
1171: if ($error) {
1.270 albertel 1172: &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 1173: }
1174: } elsif ($target eq "edit") {
1175: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1176: }
1.160 albertel 1177: return $result;
1.1 albertel 1178: }
1.6 tsai 1179:
1.160 albertel 1180: # <randomlist show="1">
1.6 tsai 1181: # <tag1>..</tag1>
1182: # <tag2>..</tag2>
1183: # <tag3>..</tag3>
1.160 albertel 1184: # ...
1.6 tsai 1185: # </randomlist>
1186: sub start_randomlist {
1.326 albertel 1187: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1188: my $result;
1.339 albertel 1189: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1190: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 1191: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 1192: my $b_parser= HTML::LCParser->new(\$body);
1193: $b_parser->xml_mode(1);
1194: $b_parser->marked_sections(1);
1.159 albertel 1195: my $b_tok;
1196: my @randomlist;
1197: my $list_item;
1198: while($b_tok = $b_parser->get_token() ) {
1199: if($b_tok->[0] eq 'S') { # start tag
1200: # get content of the tag until matching end tag
1201: # get all text upto the matching tag
1202: # and push the content into @randomlist
1203: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1204: $b_parser);
1205: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1206: push(@randomlist,$list_item);
1207: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1208: # $list_item</b>";
1209: }
1210: if($b_tok->[0] eq 'T') { # text
1211: # what to do with text in between tags?
1212: # print "<b>TEXT $b_tok->[1]</b><br />";
1213: }
1214: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1215: # print "<b>END-TAG $b_tok->[1]</b><br />";
1216: # }
1217: }
1.303 albertel 1218: if (@randomlist) {
1219: my @idx_arr = (0 .. $#randomlist);
1220: &Apache::structuretags::shuffle(\@idx_arr);
1221: my $bodytext = '';
1222: my $show=$#randomlist;
1223: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1224: $showarg--;
1225: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1226: for(0 .. $show) {
1227: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1228: }
1229: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 1230: }
1231: } elsif ($target eq 'edit' ) {
1232: $result .=&Apache::edit::tag_start($target,$token);
1233: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1234: $token,5);
1235: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1236: } elsif ($target eq 'modified' ) {
1237: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1238: $safeeval,'show');
1239: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1240: }
1241: return $result;
1.7 tsai 1242: }
1243:
1244: sub shuffle {
1245: my $a=shift;
1246: my $i;
1.303 albertel 1247: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 1248: &Apache::response::pushrandomnumber();
1.159 albertel 1249: for($i=@$a;--$i;) {
1250: my $j=int(&Math::Random::random_uniform() * ($i+1));
1251: next if $i == $j;
1252: @$a[$i,$j] = @$a[$j,$i];
1253: }
1.251 albertel 1254: &Apache::response::poprandomnumber();
1.7 tsai 1255: }
1.6 tsai 1256: }
1257:
1258: sub end_randomlist {
1.159 albertel 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: 'End Randomly Parsed Block');
1264: }
1265: return $result;
1.6 tsai 1266: }
1267:
1.283 albertel 1268: sub ordered_show_check {
1269: my $last_part=$Apache::inputtags::partlist[-2];
1270: my $in_order=
1271: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1272: my $in_order_show=1;
1273: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1274: $in_order_show=&Apache::response::check_status($last_part);
1275: }
1276: return $in_order_show;
1277: }
1278:
1.11 albertel 1279: sub start_part {
1.326 albertel 1280: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 1281: if (!$Apache::lonxml::metamode) {
1282: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
1283: # duedates.
1284: }
1.159 albertel 1285: my $result='';
1286: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
1.296 albertel 1287: if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
1.159 albertel 1288: $Apache::inputtags::part=$id;
1.177 albertel 1289: push(@Apache::inputtags::partlist,$id);
1290: @Apache::inputtags::response=();
1.159 albertel 1291: @Apache::inputtags::previous=();
1292: @Apache::inputtags::previous_version=();
1.241 albertel 1293: $Apache::lonhomework::problemstatus=&get_problem_status($id);
1.159 albertel 1294: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1295: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1296: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1297: my $in_order_show=&ordered_show_check();
1.214 albertel 1298: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1299: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1300: &Apache::run::run($expression,$safeeval);
1.159 albertel 1301:
1302: if ($target eq 'meta') {
1.224 www 1303: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1304: return &Apache::response::mandatory_part_meta.
1305: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1306: } elsif ($target eq 'web' || $target eq 'grade' ||
1307: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1308: if ($hidden || !$in_order_show) {
1.326 albertel 1309: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 1310: } else {
1311: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1312: push (@Apache::inputtags::status,$status);
1313: my $expression='$external::datestatus="'.$status.'";';
1314: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1315: &Apache::run::run($expression,$safeeval);
1.284 albertel 1316: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1317: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1318: }
1.216 albertel 1319: if (( $status eq 'CLOSED' ) ||
1320: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1321: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1322: ( $status eq 'BANNED') ||
1323: ( $status eq 'UNAVAILABLE') ||
1324: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 1325: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
1326: $style);
1.159 albertel 1327: if ( $target eq "web" ) {
1.211 albertel 1328: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1329: } elsif ( $target eq 'tex' ) {
1.284 albertel 1330: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1331: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1332: } else {
1.211 albertel 1333: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1334: }
1.159 albertel 1335: }
1336: } else {
1337: if ($target eq 'tex') {
1.284 albertel 1338: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1339: if ($$tagstack[-2] eq 'td') {
1340: $result.='\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1341: } else {
1342: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1343: }
1.195 sakharuk 1344: }
1.159 albertel 1345: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1346: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1347: my @allkeys = split /,/,$allkeys;
1348: my $allow_print_points = 0;
1349: foreach my $partial_key (@allkeys) {
1.230 albertel 1350: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1351: if ($1 ne '0') {$allow_print_points=1;}
1352: }
1353: }
1.275 albertel 1354: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1355: if (defined($maxtries) && $maxtries < 0) {
1356: $allow_print_points=0;
1357: }
1.302 albertel 1358: if (lc($env{'course.'.$env{'request.course.id'}.
1359: '.disableexampointprint'}) eq 'yes') {
1360: $allow_print_points=0;
1361: }
1.222 sakharuk 1362: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1363: } elsif ($target eq 'web') {
1364: $result.='<a name="'.&Apache::lonnet::escape($Apache::inputtags::part).'" />';
1.159 albertel 1365: }
1366: }
1367: }
1368: } elsif ($target eq 'edit') {
1369: $result.=&Apache::edit::tag_start($target,$token);
1370: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1371: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1372: ' '.
1373: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1374: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1375: } elsif ($target eq 'modified') {
1376: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1377: $safeeval,'id','display');
1.159 albertel 1378: if ($constructtag) {
1.225 albertel 1379: #limiting ids to only letters numbers, and space
1.224 www 1380: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1381: $result = &Apache::edit::rebuild_tag($token);
1382: $result.=&Apache::edit::handle_insert();
1383: }
1384: }
1385: return $result;
1.11 albertel 1386: }
1387:
1388: sub end_part {
1.159 albertel 1389: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1390: &Apache::lonxml::debug("in end_part $target ");
1391: my $status=$Apache::inputtags::status['-1'];
1392: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1393: my $in_order_show=&ordered_show_check();
1.321 albertel 1394: my $result;
1395: if (!$Apache::lonxml::metamode) {
1396: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 1397: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1398: }
1.312 albertel 1399: if ($target eq 'grade') {
1.249 albertel 1400: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1401: !$hidden && $in_order_show) {
1.311 foxr 1402: $result.=&Apache::inputtags::grade;
1.249 albertel 1403: } else {
1404: # move any submission data to .hidden
1405: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1406: }
1.283 albertel 1407: } elsif (($target eq 'web' || $target eq 'tex') &&
1408: !$hidden && $in_order_show) {
1.159 albertel 1409: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1410: $target);
1.212 albertel 1411: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1412: $gradestatus='';
1413: }
1.311 foxr 1414: $result.=$gradestatus;
1.265 sakharuk 1415: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1416: } elsif ($target eq 'edit') {
1.311 foxr 1417: $result.=&Apache::edit::end_table();
1.322 albertel 1418: } elsif ($target eq 'modified') {
1419: $result .= $token->[2];
1420: $result.=&Apache::edit::handle_insertafter($token->[1]);
1.159 albertel 1421: }
1422: pop @Apache::inputtags::status;
1423: $Apache::inputtags::part='';
1.295 albertel 1424: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 1425: return $result;
1.11 albertel 1426: }
1.1 albertel 1427:
1.25 albertel 1428: sub start_preduedate {
1.326 albertel 1429: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 1430: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1431: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 1432: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 1433: if (!$Apache::lonhomework::scantronmode &&
1434: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1435: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1436: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 1437: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 1438: }
1.24 albertel 1439: }
1.159 albertel 1440: return '';
1.24 albertel 1441: }
1442:
1.25 albertel 1443: sub end_preduedate {
1.159 albertel 1444: return '';
1.24 albertel 1445: }
1446:
1.25 albertel 1447: sub start_postanswerdate {
1.326 albertel 1448: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 1449: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade') {
1.300 albertel 1450: if ($Apache::lonhomework::scantronmode ||
1451: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
1.326 albertel 1452: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 1453: }
1454: } elsif ($target eq 'tex') {
1.326 albertel 1455: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 1456: }
1457: return '';
1.24 albertel 1458: }
1459:
1.25 albertel 1460: sub end_postanswerdate {
1.159 albertel 1461: return '';
1.24 albertel 1462: }
1463:
1.25 albertel 1464: sub start_notsolved {
1.326 albertel 1465: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1466: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 1467: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 1468: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1469: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1470: if ($gradestatus =~ /^correct/ &&
1471: &Apache::response::show_answer()) {
1.159 albertel 1472: &Apache::lonxml::debug("skipping");
1.326 albertel 1473: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 1474: }
1.24 albertel 1475: }
1.159 albertel 1476: return '';
1.24 albertel 1477: }
1478:
1.25 albertel 1479: sub end_notsolved {
1.159 albertel 1480: return '';
1.24 albertel 1481: }
1482:
1483: sub start_solved {
1.326 albertel 1484: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1485: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1486: $target eq 'tex') {
1487: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1488: if ($gradestatus !~ /^correct/ ||
1489: !&Apache::response::show_answer()) {
1.326 albertel 1490: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 1491: }
1.24 albertel 1492: }
1.159 albertel 1493: return '';
1.24 albertel 1494: }
1495:
1496: sub end_solved {
1.248 albertel 1497: return '';
1498: }
1499:
1500: sub start_problemtype {
1.326 albertel 1501: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 1502: my $result;
1.339 albertel 1503: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1504: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 1505: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1506: if (!defined($mode)) { $mode='show'; }
1507: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1508: my $found=0;
1509: foreach my $type (split(',',$for)) {
1510: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1511: }
1512: if ($mode eq 'show' && !$found) {
1.326 albertel 1513: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1514: }
1515: if ($mode eq 'hide' && $found) {
1.326 albertel 1516: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 1517: }
1518: } elsif ($target eq 'edit') {
1519: $result .=&Apache::edit::tag_start($target,$token);
1520: $result.=&Apache::edit::select_arg('Mode:','mode',
1521: [['show','Show'],
1522: ['hide','Hide']]
1523: ,$token);
1524: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1525: [ ['exam','Exam/Quiz Problem'],
1526: ['survey','Survey'],
1527: ['problem','Homework Problem'] ]
1528: ,$token);
1529: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1530: } elsif ($target eq 'modified') {
1531: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1532: $safeeval,'mode','for');
1533: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1534: }
1535: return $result;
1536: }
1537:
1538: sub end_problemtype {
1.159 albertel 1539: return '';
1.24 albertel 1540: }
1.34 albertel 1541:
1542: sub start_startouttext {
1.159 albertel 1543: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1544: my @result=(''.'');
1545: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1546: return (@result);
1.34 albertel 1547: }
1.159 albertel 1548:
1.34 albertel 1549: sub end_startouttext {
1.326 albertel 1550: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 1551: my $result='';
1552: my $text='';
1553:
1554: if ($target eq 'edit') {
1.326 albertel 1555: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.211 albertel 1556: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1557: <td>".&mt('Delete:').
1.159 albertel 1558: &Apache::edit::deletelist($target,$token)
1559: ."</td>
1.42 albertel 1560: <td>".
1.159 albertel 1561: &Apache::edit::insertlist($target,$token).
1562: &Apache::edit::end_row().
1563: &Apache::edit::start_spanning_row()."\n"
1.188 bowersj2 1564: . &Apache::loncommon::helpLatexCheatsheet () .
1.255 www 1565: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 1566: }
1567: if ($target eq 'modified') {
1.219 albertel 1568: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1569: }
1570: if ($target eq 'tex') {
1571: $result .= '\noindent ';
1572: }
1573: return $result;
1.34 albertel 1574: }
1.159 albertel 1575:
1.34 albertel 1576: sub start_endouttext {
1.159 albertel 1577: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1578: my $result='';
1579: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1580: if ($target eq "modified") {
1581: $result='<endouttext />'.
1582: &Apache::edit::handle_insertafter('startouttext'); }
1583: return $result;
1.34 albertel 1584: }
1.159 albertel 1585:
1.34 albertel 1586: sub end_endouttext {
1.159 albertel 1587: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1588: my @result=('','');
1589: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1590: return (@result);
1.34 albertel 1591: }
1.159 albertel 1592:
1.45 albertel 1593: sub delete_startouttext {
1.326 albertel 1594: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1595: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 1596: my $text=$$parser['-1']->get_text("/endouttext");
1597: my $ntoken=$$parser['-1']->get_token();
1598: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1599: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1600: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1601: # they did the last time round
1602: &Apache::lonxml::increasedepth($ntoken);
1603: &Apache::lonxml::decreasedepth($ntoken);
1604: return 1;
1.193 www 1605: }
1606:
1607: sub start_simpleeditbutton {
1608: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1609: my $result='';
1.284 albertel 1610: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 1611: ($target eq 'web') &&
1.330 albertel 1612: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 1613: my $url=$env{'request.noversionuri'};
1.193 www 1614: $url=~s/\?.*$//;
1.278 albertel 1615: my ($symb) = &Apache::lonxml::whichuser();
1.194 www 1616: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.278 albertel 1617: '<a href="'.$url.'/smpedit?symb='.&Apache::lonnet::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 1618: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1619: }
1620: return $result;
1621: }
1622:
1623: sub end_simpleeditbutton {
1624: return '';
1.45 albertel 1625: }
1.34 albertel 1626:
1.1 albertel 1627: 1;
1628: __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