Annotation of loncom/homework/structuretags.pm, revision 1.291
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.291 ! albertel 4: # $Id: structuretags.pm,v 1.290 2005/04/25 21:40:33 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;
1.267 albertel 39: use Time::HiRes qw( gettimeofday tv_interval );
1.78 harris41 40: BEGIN {
1.248 albertel 41: &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 42: }
43:
44: sub start_web {
1.159 albertel 45: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.200 albertel 46: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);
47: if ($target eq 'web') {
48: return $bodytext;
1.159 albertel 49: }
50: return '';
1.10 albertel 51: }
52:
53: sub end_web {
1.44 ng 54: return '';
1.10 albertel 55: }
56:
57: sub start_tex {
1.159 albertel 58: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.198 sakharuk 59: my $result='';
1.200 albertel 60: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);
61: if ($target eq 'tex') {
62: return $bodytext.' ';
1.159 albertel 63: }
1.198 sakharuk 64: return $result;;
1.10 albertel 65: }
66:
67: sub end_tex {
1.44 ng 68: return '';
1.9 albertel 69: }
70:
1.290 albertel 71: sub body_tag_start {
72: my ($target,$background,$bgcolor)=@_;
73: my $body_tag_start='<body onload="'.&Apache::lonmenu::loadevents().'" '.
74: 'onunload="'.&Apache::lonmenu::unloadevents().'" ';
75: if ($env{'browser.imagesuppress'} eq 'on') { $background=''; }
76: if ($background) {
77: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
78: $background;
79: $body_tag_start.='background="'.$background.'" ';
80: } else {
81: if (($bgcolor) && ($env{'browser.blackwhite'} ne 'on')) {
82: $body_tag_start.='bgcolor="'.$bgcolor.'" ';
83: } else {
84: $body_tag_start.='bgcolor="#ffffff"';
85: }
86: }
87: if ($env{'browser.fontenhance'} eq 'on') {
88: $body_tag_start.=' style="font-size: x-large;" ';
89: }
90: $body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);
91: if ($env{'environment.texengine'} eq 'jsMath') {
92: $body_tag_start.='<script type="text/javascript">
93: function NoFontMessage () {}
94: </script>'."\n".
95: '<script src="/adm/jsMath/jsMath.js"></script>'."\n";
96: }
97: return $body_tag_start;
98: }
1.291 ! albertel 99:
1.48 albertel 100: sub page_start {
1.159 albertel 101: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
102: my %found;
1.207 albertel 103: foreach my $taginside (@$tagstack) {
1.159 albertel 104: foreach my $taglookedfor ('html','body','form') {
105: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
106: }
107: }
108:
109: my $result;
110: my $head_tag_start;
111: if (!defined($found{'html'})) {
112: $result=&Apache::londefdef::start_html($target,$token,$tagstack,
113: $parstack,$parser,$safeeval);
1.254 www 114: $head_tag_start='<head>'.&Apache::lonmenu::registerurl(undef,$target).
1.261 www 115: &Apache::lonhtmlcommon::htmlareaheaders().
1.270 albertel 116: &Apache::lonhtmlcommon::spellheader().
117: &Apache::lonxml::fontsettings();
1.159 albertel 118: }
119: my $body_tag_start;
1.284 albertel 120: if (!defined($found{'body'}) && $env{'request.state'} eq 'construct'
121: && $env{'environment.remote'} eq 'off') {
1.272 albertel 122: $body_tag_start=&Apache::loncommon::bodytag();
1.274 albertel 123: $body_tag_start.=&Apache::lonxml::message_location();
1.272 albertel 124: } elsif (!defined($found{'body'})) {
1.159 albertel 125: my $background=&Apache::lonxml::get_param('background',$parstack,
126: $safeeval);
1.290 albertel 127: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
128: $safeeval);
129: $body_tag_start=&body_tag_start($background,$bgcolor);
1.291 ! albertel 130: if ( ($target eq 'web' || $target eq 'webgrade')
! 131: && $env{'request.state'} ne 'construct') {
1.165 albertel 132: my ($symb,undef,undef,undef,$publicuser)=
133: &Apache::lonxml::whichuser();
134: if ($symb eq '' && !$publicuser) {
1.159 albertel 135: my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
1.211 albertel 136: $help=&mt("Browsing resource, all submissions are temporary.")."<br />";
1.159 albertel 137: $body_tag_start.=$help;
138: }
139: }
1.245 albertel 140: $body_tag_start.=&Apache::lonxml::message_location();
1.159 albertel 141: }
142: my $form_tag_start;
143: if (!defined($found{'form'})) {
1.281 albertel 144: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="POST" action="';
1.284 albertel 145: my $uri=$env{'request.uri'};
146: if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
1.271 albertel 147: $form_tag_start.=$uri.'">';
1.159 albertel 148: }
149: return ($result,$head_tag_start,$body_tag_start,$form_tag_start);
1.105 albertel 150: }
151:
1.141 matthew 152: #use Time::HiRes();
1.105 albertel 153: sub get_resource_name {
1.159 albertel 154: my ($parstack,$safeeval)=@_;
1.204 albertel 155: if (defined($Apache::lonhomework::name)) {
156: return $Apache::lonhomework::name;
157: }
1.279 albertel 158: my ($symb)=&Apache::lonxml::whichuser();
159: my $name=&Apache::lonnet::gettitle($symb);
1.159 albertel 160: if ($name eq '') {
161: $name=&Apache::lonnet::EXT('resource.title');
162: if ($name eq 'con_lost') { $name = ''; }
163: }
1.204 albertel 164: if ($name!~/\S+/) {
1.284 albertel 165: $name=$env{'request.uri'};
1.205 albertel 166: $name=~s-.*/([^/]+)$-$1-;
1.204 albertel 167: }
1.159 albertel 168: $Apache::lonhomework::name=$name;
169: return $name;
1.105 albertel 170: }
171:
172: sub setup_rndseed {
1.159 albertel 173: my ($safeeval)=@_;
174: my $rndseed;
1.162 albertel 175: my ($symb)=&Apache::lonxml::whichuser();
1.284 albertel 176: if ($env{'request.state'} eq "construct" || $symb eq '' ||
1.247 albertel 177: $Apache::lonhomework::history{'resource.CODE'}) {
1.284 albertel 178: $rndseed=$env{'form.rndseed'};
1.159 albertel 179: if (!$rndseed) {
1.162 albertel 180: $rndseed=$Apache::lonhomework::history{'rndseed'};
181: if (!$rndseed) {
182: $rndseed=time;
183: }
1.284 albertel 184: $env{'form.rndseed'}=$rndseed;
1.162 albertel 185: }
1.284 albertel 186: if ($env{'form.resetdata'} eq &mt('New Problem Variation') ||
187: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 188: srand(time);
189: $rndseed=int(rand(2100000000));
1.284 albertel 190: $env{'form.rndseed'}=$rndseed;
191: delete($env{'form.resetdata'});
192: delete($env{'form.newrandomization'});
1.159 albertel 193: }
1.187 albertel 194: if (defined($rndseed) && $rndseed ne int($rndseed)) {
195: $rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));
196: }
1.247 albertel 197: if ($Apache::lonhomework::history{'resource.CODE'}) {
198: $rndseed=&Apache::lonnet::rndseed();
199: }
1.221 albertel 200: if ($safeeval) {
201: &Apache::lonxml::debug("Setting rndseed to $rndseed");
1.250 albertel 202: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.221 albertel 203: }
1.159 albertel 204: }
205: return $rndseed;
1.105 albertel 206: }
207:
1.268 albertel 208: sub remember_problem_state {
209: return '
1.284 albertel 210: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
211: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
212: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 213: }
214:
1.105 albertel 215: sub problem_edit_header {
1.268 albertel 216: return '<input type="hidden" name="submitted" value="edit" />'.
217: &Apache::structuretags::remember_problem_state().'
1.210 albertel 218: <input type="hidden" name="problemmode" value="'.&mt('Edit').'" />
1.243 matthew 219: <input type="submit" name="problemmode" accesskey="d" value="'.&mt('Discard Edits and View').'" />
220: <input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
221: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" /> <hr />
222: <input type="submit" name="submit" accesskey="s" value="'.&mt('Submit Changes and Edit').'" />
223: <input type="submit" name="submit" accesskey="v" value="'.&mt('Submit Changes and View').'" /><table><tr><td>'.
1.260 albertel 224: &Apache::loncommon::help_open_menu('','Problem Editing Help','Problem_Editor_XML_Index','',5,'Authoring',undef,undef,undef,'Problem Editing Help')
225: .'</td></tr></table>'.
1.282 albertel 226: '<table border="0" width="100%"><tr><td bgcolor="#DDDDDD">';
1.105 albertel 227: }
228:
229: sub problem_edit_footer {
1.210 albertel 230: return '</td></tr></table><br /><input type="submit" name="submit" value="'.&mt('Submit Changes and Edit').'" />
1.255 www 231: <input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />'.
232: &Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields).
1.280 albertel 233: "\n</form>\n".&Apache::loncommon::endbodytag()."\n</html>";
1.105 albertel 234: }
235:
1.235 albertel 236: sub option {
237: my ($value,$name) = @_;
238: my $result ="<option value='".$value."' ";
1.284 albertel 239: if ($env{'form.'.$name} eq $value) {
1.235 albertel 240: $result.=" selected='on' ";
241: }
242: $result.='>';
243: return $result;
244: }
245:
1.105 albertel 246: sub problem_web_to_edit_header {
1.159 albertel 247: my ($rndseed)=@_;
1.210 albertel 248: my $result.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />
1.243 matthew 249: <input type="submit" name="problemmode" accesskey="e" value="'.&mt('Edit').'" />
250: <input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
251: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
252: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
1.210 albertel 253: <nobr><input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.270 albertel 254: <input type="text" name="rndseed" size="10" value="'.
1.175 albertel 255: $rndseed.'"
1.270 albertel 256: onchange="javascript:document.lonhomework.changerandseed.click()" /></nobr>
1.281 albertel 257: <label><input type="checkbox" name="showallfoils" ';
1.284 albertel 258: if (defined($env{'form.showallfoils'})) { $result.='checked="on"'; }
1.228 www 259: $result.= ' />'.&mt(' Show All Foils').
260: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').
1.281 albertel 261: '</label><hr />';
1.235 albertel 262: $result.="
263: <nobr>
264: Problem Status:
265: <select name='problemstate'>
1.270 albertel 266: <option value=''></option>
1.235 albertel 267: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
268: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
269: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
270: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
271: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
272: </select>
273: </nobr>
274: <nobr>
275: Problem Type:
276: <select name='problemtype'>
1.270 albertel 277: <option value=''></option>
1.242 albertel 278: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
279: ".&option('problem','problemtype').&mt("Homework problem")."</option>
280: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.235 albertel 281: </select>
282: </nobr>
283: <nobr>
284: Feedback Mode:
285: <select name='problemstatus'>
286: <option value=''></option>
1.242 albertel 287: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
288: ".&option('no', 'problemstatus').&mt("Don't Show Feedback")."</option>
1.235 albertel 289: </select>
290: </nobr>
1.242 albertel 291: <input type='submit' name='changeproblemmode' value='".&mt("Change")."' />
1.235 albertel 292: <hr />";
1.284 albertel 293: my $numtoanalyze=$env{'form.numtoanalyze'};
1.176 albertel 294: if (!$numtoanalyze) { $numtoanalyze=20; }
1.210 albertel 295: $result.= '<input type="submit" name="problemmode" value='.
296: &mt('"Calculate answers').'" /> for
1.136 albertel 297: <input type="text" name="numtoanalyze" value="'.
1.210 albertel 298: $numtoanalyze.'" size="5" /> '.&mt('versions of this problem').
299: '.'.&Apache::loncommon::help_open_topic("Analyze_Problem",
1.176 albertel 300: '',undef,undef,300).
1.210 albertel 301: '<hr />';
1.159 albertel 302: return $result;
1.48 albertel 303: }
304:
1.65 albertel 305: sub initialize_storage {
1.159 albertel 306: %Apache::lonhomework::results=();
1.162 albertel 307: %Apache::lonhomework::history=();
1.159 albertel 308: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.284 albertel 309: if ($env{'request.state'} eq 'construct' || $symb eq '') {
1.159 albertel 310: %Apache::lonhomework::history=
1.284 albertel 311: &Apache::lonnet::tmprestore($env{'request.uri'},'',$domain,$name);
1.159 albertel 312: my ($temp)=keys %Apache::lonhomework::history ;
313: &Apache::lonxml::debug("Return message of $temp");
314: } else {
315: %Apache::lonhomework::history=
316: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
317: }
318: #ignore error conditions
1.67 albertel 319: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 320: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 321: }
322:
323: # -------------------------------------------------------------finalize_storage
324: # Stores away the result has to a student's environment
325: # checks form.grade_ for specific values, other wises stores
326: # to the running users environment
1.285 raeburn 327: # Will increment totals for attempts, students, and corrects
328: # if running user has student role.
1.65 albertel 329: sub finalize_storage {
1.159 albertel 330: my $result;
1.289 albertel 331: if (%Apache::lonhomework::results) {
1.159 albertel 332: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.284 albertel 333: if ($env{'request.state'} eq 'construct' || $symb eq '') {
334: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 335: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.284 albertel 336: $env{'request.uri'},'',$domain,$name);
1.159 albertel 337: &Apache::lonxml::debug('Construct Store return message:'.$result);
338: } else {
339: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
340: $symb,$courseid,$domain,$name);
341: &Apache::lonxml::debug('Store return message:'.$result);
1.285 raeburn 342: if ($env{'request.role'} =~/^st/) {
343: &store_aggregates($symb,$courseid);
344: }
1.159 albertel 345: }
1.67 albertel 346: }
1.159 albertel 347: return $result;
1.65 albertel 348: }
1.289 albertel 349: use Data::Dumper;
1.65 albertel 350:
1.285 raeburn 351: # -------------------------------------------------------------store_aggregates
352: # Sends hash of values to be incremented in nohist_resourcetracker.db
353: # for the course. Increments total number of attempts, unique students
354: # and corrects for each part for an instance of a problem, as appropriate.
355: sub store_aggregates {
356: my ($symb,$courseid) = @_;
1.286 albertel 357: my %aggregate;
358: my @parts;
1.288 albertel 359: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
360: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 361: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 362: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 363: push(@parts, $1);
1.285 raeburn 364: }
365: }
1.286 albertel 366: foreach my $part (@parts) {
367: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
368: eq 'APPROX_ANS' ||
369: $Apache::lonhomework::results{'resource.'.$part.'.award'}
370: eq 'EXACT_ANS') {
1.287 albertel 371: $aggregate{$symb."\0".$part."\0correct"} = 1;
1.285 raeburn 372: }
1.286 albertel 373: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1.287 albertel 374: $aggregate{$symb."\0".$part."\0users"} = 1;
1.285 raeburn 375: }
1.287 albertel 376: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 377: }
1.289 albertel 378: if (%aggregate) {
379: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
380: $cdomain,$cname);
381:
382: }
1.285 raeburn 383: }
384:
1.65 albertel 385: sub checkout_msg {
1.211 albertel 386: my %lt=&Apache::lonlocal::texthash(
387: 'resource'=>'The resource needs to be checked out',
388: '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.',
389: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
390: 'checkout'=>'Check out Exam for Viewing',
391: 'checkout?'=>'Check out Exam?');
1.159 albertel 392: return (<<ENDCHECKOUT);
1.211 albertel 393: <h2>$lt{'resource'}</h2>
394: <p>$lt{'id_expln'}</p>
395: <font color="red">
396: <p>$lt{'warning'}</p>
1.91 albertel 397: </font>
1.284 albertel 398: <form name="checkout" method="POST" action="$env{'request.uri'}">
1.91 albertel 399: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 400: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 401: </form>
402: ENDCHECKOUT
403: }
404:
1.252 albertel 405: sub firstaccess_msg {
1.253 albertel 406: my ($time,$symb)=@_;
407: my ($map)=&Apache::lonnet::decode_symb($symb);
408: my $foldertitle=&Apache::lonnet::gettitle($map);
409: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.252 albertel 410: return (<<ENDCHECKOUT);
1.253 albertel 411: <h2>The resources in "$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 412: <form name="markaccess" method="POST" action="$env{'request.uri'}">
1.252 albertel 413: <input type="hidden" name="markaccess" value="yes" />
414: <input type="button" name="accessbutton" value="Show Resource" onClick="javascript:if (confirm('Start Timer?')) { document.markaccess.submit(); }" />
415: </form>
416: ENDCHECKOUT
417: }
418:
1.204 albertel 419: sub init_problem_globals {
420: my ($type)=@_;
421: #initialize globals
422: if ($type eq 'problem') {
423: $Apache::inputtags::part='0';
424: @Apache::inputtags::partlist=('0');
1.266 albertel 425: $Apache::lonhomework::problemstatus=&get_problem_status('0');
426: $Apache::lonhomework::ignore_response_errors=0;
427: } elsif ($type eq 'library') {
1.204 albertel 428: $Apache::inputtags::part='';
429: @Apache::inputtags::partlist=();
430: $Apache::lonhomework::problemstatus='';
1.266 albertel 431: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 432: }
433: @Apache::inputtags::responselist = ();
434: @Apache::inputtags::importlist = ();
435: @Apache::inputtags::previous=();
436: @Apache::inputtags::previous_version=();
437: $Apache::structuretags::printanswer='No';
438: @Apache::structuretags::whileconds=();
439: @Apache::structuretags::whilebody=();
440: @Apache::structuretags::whileline=();
441: $Apache::lonhomework::scantronmode=0;
442: undef($Apache::lonhomework::name);
443:
444: }
445:
446: sub reset_problem_globals {
447: my ($type)=@_;
448: undef(%Apache::lonhomework::history);
449: undef(%Apache::lonhomework::results);
450: undef($Apache::inputtags::part);
1.208 albertel 451: #don't undef this, lonhomework.pm takes care of this, we use this to
452: #detect if we try to do 2 problems in one file
453: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 454: undef($Apache::lonhomework::name);
455: }
456:
1.241 albertel 457: sub set_problem_state {
1.240 albertel 458: my ($part)=@_;
1.284 albertel 459: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 460: $Apache::lonhomework::history{"resource.$part.solved"}=
461: 'correct_by_student';
462: }
463: }
464:
1.241 albertel 465: sub get_problem_status {
466: my ($part)=@_;
1.267 albertel 467: my $problem_status;
1.284 albertel 468: if ($env{'request.state'} eq 'construct' &&
469: defined($env{'form.problemstatus'})) {
470: $problem_status=$env{'form.problemstatus'};
1.267 albertel 471: } else {
472: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
473: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 474: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 475: }
476: return $problem_status;
477: }
478:
1.9 albertel 479: sub start_problem {
1.159 albertel 480: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19 albertel 481:
1.184 albertel 482: if ( $Apache::inputtags::part ne '' ||
483: $Apache::lonhomework::parsing_a_problem) {
484: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
485: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
1.159 albertel 486: return '';
487: }
1.184 albertel 488:
489: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 490: &init_problem_globals('problem');
1.166 albertel 491:
1.284 albertel 492: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 493: $Apache::lonhomework::scantronmode=1;
494: }
1.161 albertel 495:
1.246 albertel 496: &initialize_storage();
1.159 albertel 497: if ($target ne 'analyze') {
498: if ($target eq 'web') {
499: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.238 albertel 500: }
1.284 albertel 501: if ($env{'request.state'} eq 'construct') { &set_problem_state('0'); }
1.159 albertel 502: $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
1.284 albertel 503: if (($env{'request.state'} eq 'construct') &&
504: defined($env{'form.problemtype'})) {
505: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 506: }
1.240 albertel 507: &Apache::lonxml::debug("Found this to be of type :$Apache::ltonhomework::type:");
1.159 albertel 508: }
1.164 albertel 509: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 510: my $uri=$env{'request.uri'};
1.159 albertel 511: if ($uri=~/\.(\w+)$/) {
512: $Apache::lonhomework::type=$1;
513: &Apache::lonxml::debug("Using type of $1");
514: } else {
515: $Apache::lonhomework::type='problem';
516: &Apache::lonxml::debug("Using default type, problem, :$uri:");
517: }
1.87 albertel 518: }
1.58 www 519:
1.159 albertel 520: #added vars to the scripting enviroment
1.213 albertel 521: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 522: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 523: &Apache::run::run($expression,$safeeval);
1.159 albertel 524: my $status;
525: my $accessmsg;
526:
527: #should get back a <html> or the neccesary stuff to start XML/MathML
528: my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
529: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
1.284 albertel 530: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 531:
532: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
533: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
534: $target eq 'tex') {
535: #handle exam checkout
536: if ($Apache::lonhomework::type eq 'exam') {
537: my $token=
538: $Apache::lonhomework::history{"resource.0.outtoken"};
1.284 albertel 539: if (($env{'form.doescheckout'}) && (!$token)) {
1.159 albertel 540: $token=&Apache::lonxml::maketoken();
541: $Apache::lonhomework::history{"resource.0.outtoken"}=
542: $token;
543: }
544: $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 545: }
1.284 albertel 546: if ($env{'form.markaccess'}) {
1.252 albertel 547: &Apache::lonnet::set_first_access('map');
548: }
1.159 albertel 549: #handle rand seed in construction space
550: my $rndseed=&setup_rndseed($safeeval);
1.162 albertel 551: my ($symb)=&Apache::lonxml::whichuser();
1.284 albertel 552: if ($env{'request.state'} ne "construct" && $symb eq '') {
1.162 albertel 553: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
554: $rndseed.'" />'.
555: '<input type="submit" name="resetdata"
1.211 albertel 556: value="'.&mt('New Problem Variation').'" />'.
1.164 albertel 557: '<input type="hidden" name="username"
1.284 albertel 558: value="'.$env{'form.username'}.'" />';
559: if ($env{'user.adv'}) {
1.267 albertel 560: $form_tag_start.=
561: ' <input type="checkbox" name="showallfoils" ';
1.284 albertel 562: if (defined($env{'form.showallfoils'})) {
1.267 albertel 563: $form_tag_start.='checked="on"';
564: }
565: $form_tag_start.= ' />'.&mt(' Show All Foils');
566: }
567: $form_tag_start.='<hr />';
1.162 albertel 568: }
1.159 albertel 569: ($status,$accessmsg) = &Apache::lonhomework::check_access('0');
570: push (@Apache::inputtags::status,$status);
571: my $expression='$external::datestatus="'.$status.'";';
572: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
573: &Apache::run::run($expression,$safeeval);
574: &Apache::lonxml::debug("Got $status");
575: if (( $status eq 'CLOSED' ) ||
576: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 577: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 578: ( $status eq 'BANNED') ||
1.216 albertel 579: ( $status eq 'UNAVAILABLE') ||
580: ( $status eq 'INVALID_ACCESS')) {
1.159 albertel 581: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
582: if ( $target eq "web" ) {
583: $result.= $head_tag_start.'</head>';
584: my $msg=$body_tag_start;
585: if ($status eq 'UNAVAILABLE') {
1.245 albertel 586: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.253 albertel 587: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 588: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 589: }
1.216 albertel 590: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.159 albertel 591: $msg.='The problem '.$accessmsg;
592: } elsif ($status eq 'UNCHECKEDOUT') {
593: $msg.=&checkout_msg;
1.252 albertel 594: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 595: $msg.=&firstaccess_msg($accessmsg,$symb);
1.159 albertel 596: }
597: $result.=$msg.'<br />';
598: } elsif ($target eq 'tex') {
599: $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
600: if ($status eq 'UNAVAILABLE') {
1.211 albertel 601: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 602: } else {
1.211 albertel 603: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 604: }
605: }
606: } elsif ($target eq 'web') {
607: my $name= &get_resource_name($parstack,$safeeval);
1.227 albertel 608: $result.="$head_tag_start<title>$name</title></head>
1.158 sakharuk 609: $body_tag_start \n $form_tag_start".
1.227 albertel 610: '<input type="hidden" name="submitted" value="yes" />';
611: # create a page header and exit
1.284 albertel 612: if ($env{'request.state'} eq "construct") {
613: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.227 albertel 614: }
615: # if we are viewing someone else preserve that info
1.284 albertel 616: if (defined $env{'form.grade_symb'}) {
1.227 albertel 617: foreach my $field ('symb','courseid','domain','username') {
618: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 619: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 620: }
621: }
622: } elsif ($target eq 'tex') {
1.192 sakharuk 623: my $startminipage = '';
1.284 albertel 624: if (not $env{'form.problem_split'}=~/yes/) {
1.192 sakharuk 625: $startminipage = '\begin{minipage}{\textwidth}';
1.178 sakharuk 626: }
1.159 albertel 627: my $id = $Apache::inputtags::part;
628: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 629: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.223 sakharuk 630: my @packages = split /,/,$packages;
631: my $allow_print_points = 0;
632: foreach my $partial_key (@packages) {
1.230 albertel 633: if ($partial_key=~m/^part_0$/) {
1.223 sakharuk 634: $allow_print_points=1;
1.159 albertel 635: }
636: }
1.276 albertel 637: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
638: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1.159 albertel 639: my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");
640: $duedate = POSIX::strftime("%c",localtime($duedate));
641: my $temp_file;
1.284 albertel 642: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.159 albertel 643: if (-e $filename) {
644: $temp_file = Apache::File->new($filename);
645: } else {
646: $temp_file = Apache::File->new('>>'.$filename);
647: }
648: my @due_file_content = <$temp_file>;
649: my $due_file_content = $due_file_content[$#due_file_content];
650: chomp $due_file_content;
1.257 sakharuk 651: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.159 albertel 652: if ($due_file_content ne $duedate) {
653: $temp_file = Apache::File->new('>'.$filename);
654: print $temp_file "$duedate\n";
1.284 albertel 655: if (not $env{'request.symb'} =~ m/\.page_/) {
1.159 albertel 656: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1.284 albertel 657: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$env{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent\textit{Due date: '.$duedate.'} \vskip 1 mm\noindent '.$startminipage.'\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1.159 albertel 658: } else {
1.284 albertel 659: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$env{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent \vskip 1 mm \noindent'.$startminipage.'\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1.159 albertel 660: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
661: }
1.104 sakharuk 662: } else {
1.159 albertel 663: $result .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\';
1.104 sakharuk 664: }
1.101 sakharuk 665: } else {
1.284 albertel 666: if (not $env{'request.symb'} =~ m/\.page_/) {
667: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$env{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent \vskip 1 mm\noindent'.$startminipage.'\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1.159 albertel 668: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
669: } else {
670: $result .= '\vskip 1mm \\\\\\\\';
671: }
672: }
1.99 sakharuk 673: }
1.159 albertel 674: } elsif ($target eq 'edit') {
675: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
676: &problem_edit_header();
1.226 albertel 677: $Apache::lonxml::warnings_error_header=
678: &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 679: my $temp=&Apache::edit::insertlist($target,$token);
680: $result.=$temp;
681: } elsif ($target eq 'modified') {
682: $result=$token->[4];
683: $result.=&Apache::edit::handle_insert();
684: } else {
685: # page_start returned a starting result, delete it if we don't need it
686: $result = '';
1.99 sakharuk 687: }
1.159 albertel 688: return $result;
1.9 albertel 689: }
690:
691: sub end_problem {
1.159 albertel 692: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
693: my $result='';
694: my $status=$Apache::inputtags::status['-1'];
695: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
696: $target eq 'tex') {
1.249 albertel 697: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 698: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 699: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
700: &Apache::inputtags::grade;
701: } else {
702: # move any submission data to .hidden
703: &Apache::inputtags::hidealldata($Apache::inputtags::part);
704: }
1.159 albertel 705: } elsif ( ($target eq 'web' || $target eq 'tex') &&
706: $Apache::inputtags::part eq '0' &&
1.252 albertel 707: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 708: # if part is zero, no <part>s existed, so we need show the current
709: # grading status
710: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
711: $result.= $gradestatus;
712: }
713: if (
1.284 albertel 714: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 715: ($target eq 'answer') || ($target eq 'tex')
716: ) {
1.227 albertel 717: if ($target ne 'tex' &&
1.284 albertel 718: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 719: $result.="</form>";
720: $result.=&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields);
1.159 albertel 721: }
722: if ($target eq 'web') {
1.281 albertel 723: $result.=&Apache::lonxml::xmlend().'</html>';
1.159 albertel 724: } elsif ($target eq 'tex') {
1.178 sakharuk 725: my $endminipage = '';
1.284 albertel 726: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 727: $endminipage = '\end{minipage}';
728: }
1.284 albertel 729: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 730: $result.=&Apache::lonxml::xmlend($target,$parser);
1.257 sakharuk 731: $result=~s/<\/html>//;
1.159 albertel 732: } else {
1.262 sakharuk 733: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 734: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 735: $result .= $endminipage.'\end{document} ';
736: } else {
737: $result .= '';
738: }
1.159 albertel 739: }
740: }
741: }
742: if ($target eq 'grade') {
743: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
744: &finalize_storage();
745: }
1.284 albertel 746: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
747: && $env{'form.answer_output_mode'} ne 'tex') {
1.172 albertel 748: $result.='</html>'; # normally we get it from xmlend, but in CSTR
749: # we always show answer mode too.
1.159 albertel 750: }
751: } elsif ($target eq 'meta') {
752: if ($Apache::inputtags::part eq '0') {
1.179 albertel 753: @Apache::inputtags::response=();
1.159 albertel 754: $result=&Apache::response::mandatory_part_meta;
755: }
1.215 albertel 756: $result.=&Apache::response::meta_part_order();
1.258 albertel 757: $result.=&Apache::response::meta_response_order();
1.159 albertel 758: } elsif ($target eq 'edit') {
759: &Apache::lonxml::debug("in end_problem with $target, edit");
760: $result = &problem_edit_footer();
761: }
1.155 albertel 762:
1.284 albertel 763: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 764: &Apache::inputtags::check_for_duplicate_ids();
765: }
1.204 albertel 766:
767: &reset_problem_globals('problem');
1.159 albertel 768:
769: return $result;
1.48 albertel 770: }
771:
1.108 albertel 772:
1.48 albertel 773: sub start_library {
1.159 albertel 774: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
775: my ($result,$head_tag_start,$body_tag_start,$form_tag_start);
1.244 albertel 776: if ($$tagstack[0] eq 'library') {
777: &init_problem_globals('library');
778: $Apache::lonhomework::type='problem';
779: }
1.159 albertel 780: if ($target eq 'edit') {
781: ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
782: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
783: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
784: &problem_edit_header();
785: my $temp=&Apache::edit::insertlist($target,$token);
786: $result.=$temp;
787: } elsif ($target eq 'modified') {
788: $result=$token->[4];
789: $result.=&Apache::edit::handle_insert();
790: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
1.284 albertel 791: $env{'request.state'} eq "construct" ) {
1.159 albertel 792: ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
793: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
794: my $name=&get_resource_name($parstack,$safeeval);
795: my $rndseed=&setup_rndseed($safeeval);
796: $result.="$head_tag_start<title>$name</title></head>
1.105 albertel 797: $body_tag_start \n $form_tag_start".
1.159 albertel 798: '<input type="hidden" name="submitted" value="yes" />';
799: $result.=&problem_web_to_edit_header($rndseed);
800: }
801: return $result;
1.48 albertel 802: }
803:
804: sub end_library {
1.159 albertel 805: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
806: my $result='';
807: if ($target eq 'edit') {
808: $result=&problem_edit_footer();
809: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
1.284 albertel 810: $env{'request.state'} eq "construct") {
1.280 albertel 811: $result.='</form>'.&Apache::loncommon::endbodytag().
812: &Apache::lonxml::xmlend();
1.159 albertel 813: }
1.204 albertel 814: if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };
1.159 albertel 815: return $result;
1.197 www 816: }
817:
818: sub start_definetag {
819: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
820:
821: my $result;
822:
823: my $name = $token->[2]->{'name'};
824: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser);
825: if ($name=~/^\//) {
826: $result=
827: '<br /><table bgcolor="#FFBBBB"><tr><th>END <tt>'.$name.'</tt></th></tr>';
828: } else {
829: $result=
830: '<br /><table bgcolor="#BBFFBB"><tr><th>BEGIN <tt>'.$name.'</tt></th></tr>';
831: }
832: $skip=~s/\</\<\;/gs;
833: $skip=~s/\>/\>\;/gs;
834: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
835: return $result;
836: }
837:
838: sub end_definetag {
839: return '';
1.1 albertel 840: }
841:
842: sub start_block {
1.201 albertel 843: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 844:
845: my $result;
1.1 albertel 846:
1.160 albertel 847: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.131 albertel 848: $target eq 'tex' || $target eq 'analyze') {
1.159 albertel 849: my $code = $token->[2]->{'condition'};
1.201 albertel 850: if (defined($code)) {
1.137 albertel 851: if (!$Apache::lonxml::default_homework_loaded) {
852: &Apache::lonxml::default_homework_load($safeeval);
853: }
1.131 albertel 854: $result = &Apache::run::run($code,$safeeval);
855: &Apache::lonxml::debug("block :$code: returned :$result:");
856: } else {
857: $result='1';
858: }
859: if ( ! $result ) {
1.201 albertel 860: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 861: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
862: }
863: $result='';
864: } elsif ($target eq 'edit') {
865: $result .=&Apache::edit::tag_start($target,$token);
866: $result .=&Apache::edit::text_arg('Test Condition:','condition',
867: $token,40);
868: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
869: } elsif ($target eq 'modified') {
870: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
871: $safeeval,'condition');
872: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 873: }
1.131 albertel 874: return $result;
1.1 albertel 875: }
876:
877: sub end_block {
1.167 www 878: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
879: my $result;
880: if ($target eq "edit") {
881: $result.= &Apache::edit::tag_end($target,$token,'');
882: }
883: return $result;
884: }
885:
886: sub start_languageblock {
1.201 albertel 887: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 888:
889: my $result;
890:
891: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
892: $target eq 'tex' || $target eq 'analyze') {
1.201 albertel 893: my $include = $token->[2]->{'include'};
894: my $exclude = $token->[2]->{'exclude'};
895: my %languages=&Apache::loncommon::display_languages();
896: $result='1';
897: if ($include) {
898: $result='';
899: foreach (split(/\,/,$include)) {
900: if ($languages{$_}) { $result='1'; }
901: }
902: }
903: if ($exclude) {
904: foreach (split(/\,/,$exclude)) {
905: if ($languages{$_}) { $result='0'; }
906: }
907: }
908: if ( ! $result ) {
909: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
910: $style);
911: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
912: }
913: $result='';
1.167 www 914: } elsif ($target eq 'edit') {
915: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 916: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 917: $token,40);
1.211 albertel 918: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 919: $token,40);
920: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
921: } elsif ($target eq 'modified') {
922: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 923: $safeeval,'include',
924: 'exclude');
1.167 www 925: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
926: }
927: return $result;
928: }
929:
930: sub end_languageblock {
1.170 www 931: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
932: my $result;
1.201 albertel 933: if ($target eq "edit") {
1.170 www 934: $result.= &Apache::edit::tag_end($target,$token,'');
935: }
936: return $result;
937: }
938:
939: sub start_instructorcomment {
1.201 albertel 940: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 941:
942: my $result;
943:
944: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
945: $target eq 'tex' || $target eq 'analyze') {
1.284 albertel 946: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
947: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 948: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
949: $parser,$style);
1.170 www 950: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
951: }
952: $result='';
953: } elsif ($target eq 'edit') {
954: $result .=&Apache::edit::tag_start($target,$token);
955: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
956: }
957: return $result;
958: }
959:
960: sub end_instructorcomment {
1.159 albertel 961: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 962: my $result;
963: if ($target eq "edit") {
964: $result.= &Apache::edit::tag_end($target,$token,'');
965: }
966: return $result;
1.4 tsai 967: }
968:
969: sub start_while {
1.159 albertel 970: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
971:
1.160 albertel 972: my $result;
1.161 albertel 973: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.160 albertel 974: $target eq 'tex' || $target eq 'analyze') {
975: my $code = $token->[2]->{'condition'};
1.4 tsai 976:
1.160 albertel 977: push( @Apache::structuretags::whileconds, $code);
978: if (!$Apache::lonxml::default_homework_loaded) {
979: &Apache::lonxml::default_homework_load($safeeval);
980: }
981: my $result = &Apache::run::run($code,$safeeval);
1.161 albertel 982: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser);
1.160 albertel 983: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 984: push( @Apache::structuretags::whileline, $token->[5]);
985: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 986: if ( $result ) {
987: &Apache::lonxml::newparser($parser,\$bodytext);
988: }
989: } elsif ($target eq 'edit') {
990: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 991: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 992: $token,40);
993: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
994: } elsif ($target eq 'modified') {
995: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
996: $safeeval,'condition');
997: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 998: }
1.160 albertel 999: return $result;
1.4 tsai 1000: }
1001:
1002: sub end_while {
1.159 albertel 1003: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1004: my $result;
1005:
1006: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1007: $target eq 'tex' || $target eq 'analyze') {
1008: my $code = pop(@Apache::structuretags::whileconds);
1009: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1010: my $line = pop(@Apache::structuretags::whileline);
1011: my $return = &Apache::run::run($code,$safeeval);
1012: my $starttime=time;
1013: my $error=0;
1014: while ($return) {
1015: if (time-$starttime >
1016: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.270 albertel 1017: #$return = 0; $error=1; next;
1.161 albertel 1018: }
1019: $result.=&Apache::scripttag::xmlparse($bodytext);
1020: $return = &Apache::run::run($code,$safeeval);
1021: }
1022: if ($error) {
1.270 albertel 1023: &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 1024: }
1025: } elsif ($target eq "edit") {
1026: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1027: }
1.160 albertel 1028: return $result;
1.1 albertel 1029: }
1.6 tsai 1030:
1.160 albertel 1031: # <randomlist show="1">
1.6 tsai 1032: # <tag1>..</tag1>
1033: # <tag2>..</tag2>
1034: # <tag3>..</tag3>
1.160 albertel 1035: # ...
1.6 tsai 1036: # </randomlist>
1037: sub start_randomlist {
1.159 albertel 1038: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1039: my $result;
1040: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1041: $target eq 'tex' || $target eq 'analyze') {
1042: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1043: my $b_parser= HTML::TokeParser->new(\$body);
1044: my $b_tok;
1045: my @randomlist;
1046: my $list_item;
1047: while($b_tok = $b_parser->get_token() ) {
1048: if($b_tok->[0] eq 'S') { # start tag
1049: # get content of the tag until matching end tag
1050: # get all text upto the matching tag
1051: # and push the content into @randomlist
1052: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1053: $b_parser);
1054: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1055: push(@randomlist,$list_item);
1056: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1057: # $list_item</b>";
1058: }
1059: if($b_tok->[0] eq 'T') { # text
1060: # what to do with text in between tags?
1061: # print "<b>TEXT $b_tok->[1]</b><br />";
1062: }
1063: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1064: # print "<b>END-TAG $b_tok->[1]</b><br />";
1065: # }
1066: }
1067: my @idx_arr = (0 .. $#randomlist);
1068: &Apache::structuretags::shuffle(\@idx_arr);
1069: my $bodytext = '';
1070: my $show=$#randomlist;
1071: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1072: $showarg--;
1073: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1074: for(0 .. $show) {
1075: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1076: }
1077: &Apache::lonxml::newparser($parser,\$bodytext);
1078: } elsif ($target eq 'edit' ) {
1079: $result .=&Apache::edit::tag_start($target,$token);
1080: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1081: $token,5);
1082: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1083: } elsif ($target eq 'modified' ) {
1084: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1085: $safeeval,'show');
1086: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1087: }
1088: return $result;
1.7 tsai 1089: }
1090:
1091: sub shuffle {
1092: my $a=shift;
1093: my $i;
1.70 albertel 1094: if (defined(@$a)) {
1.251 albertel 1095: &Apache::response::pushrandomnumber();
1.159 albertel 1096: for($i=@$a;--$i;) {
1097: my $j=int(&Math::Random::random_uniform() * ($i+1));
1098: next if $i == $j;
1099: @$a[$i,$j] = @$a[$j,$i];
1100: }
1.251 albertel 1101: &Apache::response::poprandomnumber();
1.7 tsai 1102: }
1.6 tsai 1103: }
1104:
1105: sub end_randomlist {
1.159 albertel 1106: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1107: my $result;
1108: if ($target eq 'edit' ) {
1109: $result=&Apache::edit::tag_end($target,$token,
1110: 'End Randomly Parsed Block');
1111: }
1112: return $result;
1.6 tsai 1113: }
1114:
1.283 albertel 1115: sub ordered_show_check {
1116: my $last_part=$Apache::inputtags::partlist[-2];
1117: my $in_order=
1118: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1119: my $in_order_show=1;
1120: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1121: $in_order_show=&Apache::response::check_status($last_part);
1122: }
1123: return $in_order_show;
1124: }
1125:
1.11 albertel 1126: sub start_part {
1.159 albertel 1127: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1128: my $result='';
1129: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
1130: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
1131: $Apache::inputtags::part=$id;
1.177 albertel 1132: push(@Apache::inputtags::partlist,$id);
1133: @Apache::inputtags::response=();
1.159 albertel 1134: @Apache::inputtags::previous=();
1135: @Apache::inputtags::previous_version=();
1.241 albertel 1136: $Apache::lonhomework::problemstatus=&get_problem_status($id);
1.159 albertel 1137: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1138: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1139: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1140: my $in_order_show=&ordered_show_check();
1.214 albertel 1141: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1142: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1143: &Apache::run::run($expression,$safeeval);
1.159 albertel 1144:
1145: if ($target eq 'meta') {
1.224 www 1146: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1147: return &Apache::response::mandatory_part_meta.
1148: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1149: } elsif ($target eq 'web' || $target eq 'grade' ||
1150: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1151: if ($hidden || !$in_order_show) {
1.159 albertel 1152: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
1153: } else {
1154: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1155: push (@Apache::inputtags::status,$status);
1156: my $expression='$external::datestatus="'.$status.'";';
1157: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1158: &Apache::run::run($expression,$safeeval);
1.284 albertel 1159: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1160: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1161: }
1.216 albertel 1162: if (( $status eq 'CLOSED' ) ||
1163: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1164: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1165: ( $status eq 'BANNED') ||
1166: ( $status eq 'UNAVAILABLE') ||
1167: ( $status eq 'INVALID_ACCESS')) {
1.159 albertel 1168: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
1169: if ( $target eq "web" ) {
1.211 albertel 1170: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1171: } elsif ( $target eq 'tex' ) {
1.284 albertel 1172: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1173: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1174: } else {
1.211 albertel 1175: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1176: }
1.159 albertel 1177: }
1178: } else {
1179: if ($target eq 'tex') {
1.284 albertel 1180: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1181: if ($$tagstack[-2] eq 'td') {
1182: $result.='\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1183: } else {
1184: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1185: }
1.195 sakharuk 1186: }
1.159 albertel 1187: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1188: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1189: my @allkeys = split /,/,$allkeys;
1190: my $allow_print_points = 0;
1191: foreach my $partial_key (@allkeys) {
1.230 albertel 1192: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1193: if ($1 ne '0') {$allow_print_points=1;}
1194: }
1195: }
1.275 albertel 1196: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1197: if (defined($maxtries) && $maxtries < 0) {
1198: $allow_print_points=0;
1199: }
1.222 sakharuk 1200: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1201: } elsif ($target eq 'web') {
1202: $result.='<a name="'.&Apache::lonnet::escape($Apache::inputtags::part).'" />';
1.159 albertel 1203: }
1204: }
1205: }
1206: } elsif ($target eq 'edit') {
1207: $result.=&Apache::edit::tag_start($target,$token);
1208: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1209: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1210: ' '.
1211: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1212: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1213: } elsif ($target eq 'modified') {
1214: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1215: $safeeval,'id','display');
1.159 albertel 1216: if ($constructtag) {
1.225 albertel 1217: #limiting ids to only letters numbers, and space
1.224 www 1218: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1219: $result = &Apache::edit::rebuild_tag($token);
1220: $result.=&Apache::edit::handle_insert();
1221: }
1222: }
1223: return $result;
1.11 albertel 1224: }
1225:
1226: sub end_part {
1.159 albertel 1227: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1228: &Apache::lonxml::debug("in end_part $target ");
1229: my $status=$Apache::inputtags::status['-1'];
1230: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1231: my $in_order_show=&ordered_show_check();
1.159 albertel 1232: my $result='';
1233: if ( $target eq 'meta' ) {
1234: $result='';
1.249 albertel 1235: } elsif ($target eq 'grade') {
1236: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1237: !$hidden && $in_order_show) {
1.249 albertel 1238: $result=&Apache::inputtags::grade;
1239: } else {
1240: # move any submission data to .hidden
1241: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1242: }
1.283 albertel 1243: } elsif (($target eq 'web' || $target eq 'tex') &&
1244: !$hidden && $in_order_show) {
1.159 albertel 1245: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1246: $target);
1.212 albertel 1247: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1248: $gradestatus='';
1249: }
1.159 albertel 1250: $result=$gradestatus;
1.265 sakharuk 1251: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1252: } elsif ($target eq 'edit') {
1253: $result=&Apache::edit::end_table();
1.159 albertel 1254: }
1255: pop @Apache::inputtags::status;
1256: $Apache::inputtags::part='';
1257: return $result;
1.11 albertel 1258: }
1.1 albertel 1259:
1.25 albertel 1260: sub start_preduedate {
1.159 albertel 1261: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1262: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.236 albertel 1263: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.159 albertel 1264: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1265: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1266: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.159 albertel 1267: &Apache::lonxml::get_all_text("/preduedate",$parser);
1268: }
1.24 albertel 1269: }
1.159 albertel 1270: return '';
1.24 albertel 1271: }
1272:
1.25 albertel 1273: sub end_preduedate {
1.159 albertel 1274: return '';
1.24 albertel 1275: }
1276:
1.25 albertel 1277: sub start_postanswerdate {
1.159 albertel 1278: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.234 albertel 1279: if ($target eq 'web' || $target eq 'grade') {
1.159 albertel 1280: if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
1281: &Apache::lonxml::get_all_text("/postanswerdate",$parser);
1282: }
1283: } elsif ($target eq 'tex') {
1.234 albertel 1284: &Apache::lonxml::get_all_text("/postanswerdate",$parser);
1.159 albertel 1285: }
1286: return '';
1.24 albertel 1287: }
1288:
1.25 albertel 1289: sub end_postanswerdate {
1.159 albertel 1290: return '';
1.24 albertel 1291: }
1292:
1.25 albertel 1293: sub start_notsolved {
1.159 albertel 1294: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1295: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1296: $target eq 'tex') {
1297: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1298: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1299: if ($gradestatus =~ /^correct/ &&
1300: &Apache::response::show_answer()) {
1.159 albertel 1301: &Apache::lonxml::debug("skipping");
1302: &Apache::lonxml::get_all_text("/notsolved",$parser);
1303: }
1.24 albertel 1304: }
1.159 albertel 1305: return '';
1.24 albertel 1306: }
1307:
1.25 albertel 1308: sub end_notsolved {
1.159 albertel 1309: return '';
1.24 albertel 1310: }
1311:
1312: sub start_solved {
1.159 albertel 1313: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1314: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1315: $target eq 'tex') {
1316: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1317: if ($gradestatus !~ /^correct/ ||
1318: !&Apache::response::show_answer()) {
1.159 albertel 1319: &Apache::lonxml::get_all_text("/solved",$parser);
1320: }
1.24 albertel 1321: }
1.159 albertel 1322: return '';
1.24 albertel 1323: }
1324:
1325: sub end_solved {
1.248 albertel 1326: return '';
1327: }
1328:
1329: sub start_problemtype {
1330: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1331: my $result;
1332: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1333: $target eq 'tex' || $target eq 'analyze') {
1334: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1335: if (!defined($mode)) { $mode='show'; }
1336: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1337: my $found=0;
1338: foreach my $type (split(',',$for)) {
1339: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1340: }
1341: if ($mode eq 'show' && !$found) {
1342: &Apache::lonxml::get_all_text("/problemtype",$parser);
1343: }
1344: if ($mode eq 'hide' && $found) {
1345: &Apache::lonxml::get_all_text("/problemtype",$parser);
1346: }
1347: } elsif ($target eq 'edit') {
1348: $result .=&Apache::edit::tag_start($target,$token);
1349: $result.=&Apache::edit::select_arg('Mode:','mode',
1350: [['show','Show'],
1351: ['hide','Hide']]
1352: ,$token);
1353: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1354: [ ['exam','Exam/Quiz Problem'],
1355: ['survey','Survey'],
1356: ['problem','Homework Problem'] ]
1357: ,$token);
1358: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1359: } elsif ($target eq 'modified') {
1360: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1361: $safeeval,'mode','for');
1362: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1363: }
1364: return $result;
1365: }
1366:
1367: sub end_problemtype {
1.159 albertel 1368: return '';
1.24 albertel 1369: }
1.34 albertel 1370:
1371: sub start_startouttext {
1.159 albertel 1372: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1373: my @result=(''.'');
1374: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1375: return (@result);
1.34 albertel 1376: }
1.159 albertel 1377:
1.34 albertel 1378: sub end_startouttext {
1.159 albertel 1379: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1380: my $result='';
1381: my $text='';
1382:
1383: if ($target eq 'edit') {
1384: $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1.211 albertel 1385: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1386: <td>".&mt('Delete:').
1.159 albertel 1387: &Apache::edit::deletelist($target,$token)
1388: ."</td>
1.42 albertel 1389: <td>".
1.159 albertel 1390: &Apache::edit::insertlist($target,$token).
1391: &Apache::edit::end_row().
1392: &Apache::edit::start_spanning_row()."\n"
1.188 bowersj2 1393: . &Apache::loncommon::helpLatexCheatsheet () .
1.255 www 1394: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 1395: }
1396: if ($target eq 'modified') {
1.219 albertel 1397: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1398: }
1399: if ($target eq 'tex') {
1400: $result .= '\noindent ';
1401: }
1402: return $result;
1.34 albertel 1403: }
1.159 albertel 1404:
1.34 albertel 1405: sub start_endouttext {
1.159 albertel 1406: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1407: my $result='';
1408: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1409: if ($target eq "modified") {
1410: $result='<endouttext />'.
1411: &Apache::edit::handle_insertafter('startouttext'); }
1412: return $result;
1.34 albertel 1413: }
1.159 albertel 1414:
1.34 albertel 1415: sub end_endouttext {
1.159 albertel 1416: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1417: my @result=('','');
1418: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1419: return (@result);
1.34 albertel 1420: }
1.159 albertel 1421:
1.45 albertel 1422: sub delete_startouttext {
1.159 albertel 1423: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1424: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1425: my $text=$$parser['-1']->get_text("/endouttext");
1426: my $ntoken=$$parser['-1']->get_token();
1427: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1428: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1429: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1430: # they did the last time round
1431: &Apache::lonxml::increasedepth($ntoken);
1432: &Apache::lonxml::decreasedepth($ntoken);
1433: return 1;
1.193 www 1434: }
1435:
1436: sub start_simpleeditbutton {
1437: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1438: my $result='';
1.284 albertel 1439: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 1440: ($target eq 'web') &&
1.284 albertel 1441: (&Apache::lonnet::allowed('srm',$env{'request.course.id'}))) {
1442: my $url=$env{'request.noversionuri'};
1.193 www 1443: $url=~s/\?.*$//;
1.278 albertel 1444: my ($symb) = &Apache::lonxml::whichuser();
1.194 www 1445: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.278 albertel 1446: '<a href="'.$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 1447: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1448: }
1449: return $result;
1450: }
1451:
1452: sub end_simpleeditbutton {
1453: return '';
1.45 albertel 1454: }
1.34 albertel 1455:
1.1 albertel 1456: 1;
1457: __END__
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