Annotation of loncom/homework/structuretags.pm, revision 1.287
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.287 ! albertel 4: # $Id: structuretags.pm,v 1.286 2005/04/18 22:33:38 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 $result;;
1.10 albertel 65: }
66:
67: sub end_tex {
1.44 ng 68: return '';
1.9 albertel 69: }
70:
1.48 albertel 71: sub page_start {
1.159 albertel 72: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
73: my %found;
1.207 albertel 74: foreach my $taginside (@$tagstack) {
1.159 albertel 75: foreach my $taglookedfor ('html','body','form') {
76: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
77: }
78: }
79:
80: my $result;
81: my $head_tag_start;
82: if (!defined($found{'html'})) {
83: $result=&Apache::londefdef::start_html($target,$token,$tagstack,
84: $parstack,$parser,$safeeval);
1.254 www 85: $head_tag_start='<head>'.&Apache::lonmenu::registerurl(undef,$target).
1.261 www 86: &Apache::lonhtmlcommon::htmlareaheaders().
1.270 albertel 87: &Apache::lonhtmlcommon::spellheader().
88: &Apache::lonxml::fontsettings();
1.159 albertel 89: }
90: my $body_tag_start;
1.284 albertel 91: if (!defined($found{'body'}) && $env{'request.state'} eq 'construct'
92: && $env{'environment.remote'} eq 'off') {
1.272 albertel 93: $body_tag_start=&Apache::loncommon::bodytag();
1.274 albertel 94: $body_tag_start.=&Apache::lonxml::message_location();
1.272 albertel 95: } elsif (!defined($found{'body'})) {
1.270 albertel 96: $body_tag_start='<body onload="'.&Apache::lonmenu::loadevents().'" '.
97: 'onunload="'.&Apache::lonmenu::unloadevents().'" ';
1.159 albertel 98: my $background=&Apache::lonxml::get_param('background',$parstack,
99: $safeeval);
1.284 albertel 100: if ($env{'browser.imagesuppress'} eq 'on') { $background=''; }
1.159 albertel 101: if ($background) {
102: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
103: $background;
104: $body_tag_start.='background="'.$background.'" ';
105: } else {
106: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
107: $safeeval);
1.284 albertel 108: if (($bgcolor) && ($env{'browser.blackwhite'} ne 'on')) {
1.159 albertel 109: $body_tag_start.='bgcolor="'.$bgcolor.'" ';
110: } else {
111: $body_tag_start.='bgcolor="#ffffff"';
112: }
1.199 www 113: }
1.284 albertel 114: if ($env{'browser.fontenhance'} eq 'on') {
1.199 www 115: $body_tag_start.=' style="font-size: x-large;" ';
1.159 albertel 116: }
117: $body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);
1.284 albertel 118: if ($env{'environment.texengine'} eq 'jsMath') {
1.281 albertel 119: $body_tag_start.='<script type="text/javascript">
120: function NoFontMessage () {}
121: </script>'."\n".
122: '<script src="/adm/jsMath/jsMath.js"></script>'."\n";
123: }
1.284 albertel 124: if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.165 albertel 125: my ($symb,undef,undef,undef,$publicuser)=
126: &Apache::lonxml::whichuser();
127: if ($symb eq '' && !$publicuser) {
1.159 albertel 128: my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
1.211 albertel 129: $help=&mt("Browsing resource, all submissions are temporary.")."<br />";
1.159 albertel 130: $body_tag_start.=$help;
131: }
132: }
1.245 albertel 133: $body_tag_start.=&Apache::lonxml::message_location();
1.159 albertel 134: }
135: my $form_tag_start;
136: if (!defined($found{'form'})) {
1.281 albertel 137: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="POST" action="';
1.284 albertel 138: my $uri=$env{'request.uri'};
139: if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
1.271 albertel 140: $form_tag_start.=$uri.'">';
1.159 albertel 141: }
142: return ($result,$head_tag_start,$body_tag_start,$form_tag_start);
1.105 albertel 143: }
144:
1.141 matthew 145: #use Time::HiRes();
1.105 albertel 146: sub get_resource_name {
1.159 albertel 147: my ($parstack,$safeeval)=@_;
1.204 albertel 148: if (defined($Apache::lonhomework::name)) {
149: return $Apache::lonhomework::name;
150: }
1.279 albertel 151: my ($symb)=&Apache::lonxml::whichuser();
152: my $name=&Apache::lonnet::gettitle($symb);
1.159 albertel 153: if ($name eq '') {
154: $name=&Apache::lonnet::EXT('resource.title');
155: if ($name eq 'con_lost') { $name = ''; }
156: }
1.204 albertel 157: if ($name!~/\S+/) {
1.284 albertel 158: $name=$env{'request.uri'};
1.205 albertel 159: $name=~s-.*/([^/]+)$-$1-;
1.204 albertel 160: }
1.159 albertel 161: $Apache::lonhomework::name=$name;
162: return $name;
1.105 albertel 163: }
164:
165: sub setup_rndseed {
1.159 albertel 166: my ($safeeval)=@_;
167: my $rndseed;
1.162 albertel 168: my ($symb)=&Apache::lonxml::whichuser();
1.284 albertel 169: if ($env{'request.state'} eq "construct" || $symb eq '' ||
1.247 albertel 170: $Apache::lonhomework::history{'resource.CODE'}) {
1.284 albertel 171: $rndseed=$env{'form.rndseed'};
1.159 albertel 172: if (!$rndseed) {
1.162 albertel 173: $rndseed=$Apache::lonhomework::history{'rndseed'};
174: if (!$rndseed) {
175: $rndseed=time;
176: }
1.284 albertel 177: $env{'form.rndseed'}=$rndseed;
1.162 albertel 178: }
1.284 albertel 179: if ($env{'form.resetdata'} eq &mt('New Problem Variation') ||
180: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 181: srand(time);
182: $rndseed=int(rand(2100000000));
1.284 albertel 183: $env{'form.rndseed'}=$rndseed;
184: delete($env{'form.resetdata'});
185: delete($env{'form.newrandomization'});
1.159 albertel 186: }
1.187 albertel 187: if (defined($rndseed) && $rndseed ne int($rndseed)) {
188: $rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));
189: }
1.247 albertel 190: if ($Apache::lonhomework::history{'resource.CODE'}) {
191: $rndseed=&Apache::lonnet::rndseed();
192: }
1.221 albertel 193: if ($safeeval) {
194: &Apache::lonxml::debug("Setting rndseed to $rndseed");
1.250 albertel 195: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.221 albertel 196: }
1.159 albertel 197: }
198: return $rndseed;
1.105 albertel 199: }
200:
1.268 albertel 201: sub remember_problem_state {
202: return '
1.284 albertel 203: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
204: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
205: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 206: }
207:
1.105 albertel 208: sub problem_edit_header {
1.268 albertel 209: return '<input type="hidden" name="submitted" value="edit" />'.
210: &Apache::structuretags::remember_problem_state().'
1.210 albertel 211: <input type="hidden" name="problemmode" value="'.&mt('Edit').'" />
1.243 matthew 212: <input type="submit" name="problemmode" accesskey="d" value="'.&mt('Discard Edits and View').'" />
213: <input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
214: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" /> <hr />
215: <input type="submit" name="submit" accesskey="s" value="'.&mt('Submit Changes and Edit').'" />
216: <input type="submit" name="submit" accesskey="v" value="'.&mt('Submit Changes and View').'" /><table><tr><td>'.
1.260 albertel 217: &Apache::loncommon::help_open_menu('','Problem Editing Help','Problem_Editor_XML_Index','',5,'Authoring',undef,undef,undef,'Problem Editing Help')
218: .'</td></tr></table>'.
1.282 albertel 219: '<table border="0" width="100%"><tr><td bgcolor="#DDDDDD">';
1.105 albertel 220: }
221:
222: sub problem_edit_footer {
1.210 albertel 223: return '</td></tr></table><br /><input type="submit" name="submit" value="'.&mt('Submit Changes and Edit').'" />
1.255 www 224: <input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />'.
225: &Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields).
1.280 albertel 226: "\n</form>\n".&Apache::loncommon::endbodytag()."\n</html>";
1.105 albertel 227: }
228:
1.235 albertel 229: sub option {
230: my ($value,$name) = @_;
231: my $result ="<option value='".$value."' ";
1.284 albertel 232: if ($env{'form.'.$name} eq $value) {
1.235 albertel 233: $result.=" selected='on' ";
234: }
235: $result.='>';
236: return $result;
237: }
238:
1.105 albertel 239: sub problem_web_to_edit_header {
1.159 albertel 240: my ($rndseed)=@_;
1.210 albertel 241: my $result.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />
1.243 matthew 242: <input type="submit" name="problemmode" accesskey="e" value="'.&mt('Edit').'" />
243: <input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
244: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
245: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
1.210 albertel 246: <nobr><input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.270 albertel 247: <input type="text" name="rndseed" size="10" value="'.
1.175 albertel 248: $rndseed.'"
1.270 albertel 249: onchange="javascript:document.lonhomework.changerandseed.click()" /></nobr>
1.281 albertel 250: <label><input type="checkbox" name="showallfoils" ';
1.284 albertel 251: if (defined($env{'form.showallfoils'})) { $result.='checked="on"'; }
1.228 www 252: $result.= ' />'.&mt(' Show All Foils').
253: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').
1.281 albertel 254: '</label><hr />';
1.235 albertel 255: $result.="
256: <nobr>
257: Problem Status:
258: <select name='problemstate'>
1.270 albertel 259: <option value=''></option>
1.235 albertel 260: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
261: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
262: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
263: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
264: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
265: </select>
266: </nobr>
267: <nobr>
268: Problem Type:
269: <select name='problemtype'>
1.270 albertel 270: <option value=''></option>
1.242 albertel 271: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
272: ".&option('problem','problemtype').&mt("Homework problem")."</option>
273: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.235 albertel 274: </select>
275: </nobr>
276: <nobr>
277: Feedback Mode:
278: <select name='problemstatus'>
279: <option value=''></option>
1.242 albertel 280: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
281: ".&option('no', 'problemstatus').&mt("Don't Show Feedback")."</option>
1.235 albertel 282: </select>
283: </nobr>
1.242 albertel 284: <input type='submit' name='changeproblemmode' value='".&mt("Change")."' />
1.235 albertel 285: <hr />";
1.284 albertel 286: my $numtoanalyze=$env{'form.numtoanalyze'};
1.176 albertel 287: if (!$numtoanalyze) { $numtoanalyze=20; }
1.210 albertel 288: $result.= '<input type="submit" name="problemmode" value='.
289: &mt('"Calculate answers').'" /> for
1.136 albertel 290: <input type="text" name="numtoanalyze" value="'.
1.210 albertel 291: $numtoanalyze.'" size="5" /> '.&mt('versions of this problem').
292: '.'.&Apache::loncommon::help_open_topic("Analyze_Problem",
1.176 albertel 293: '',undef,undef,300).
1.210 albertel 294: '<hr />';
1.159 albertel 295: return $result;
1.48 albertel 296: }
297:
1.65 albertel 298: sub initialize_storage {
1.159 albertel 299: %Apache::lonhomework::results=();
1.162 albertel 300: %Apache::lonhomework::history=();
1.159 albertel 301: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.284 albertel 302: if ($env{'request.state'} eq 'construct' || $symb eq '') {
1.159 albertel 303: %Apache::lonhomework::history=
1.284 albertel 304: &Apache::lonnet::tmprestore($env{'request.uri'},'',$domain,$name);
1.159 albertel 305: my ($temp)=keys %Apache::lonhomework::history ;
306: &Apache::lonxml::debug("Return message of $temp");
307: } else {
308: %Apache::lonhomework::history=
309: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
310: }
311: #ignore error conditions
1.67 albertel 312: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 313: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 314: }
315:
316: # -------------------------------------------------------------finalize_storage
317: # Stores away the result has to a student's environment
318: # checks form.grade_ for specific values, other wises stores
319: # to the running users environment
1.285 raeburn 320: # Will increment totals for attempts, students, and corrects
321: # if running user has student role.
1.65 albertel 322: sub finalize_storage {
1.159 albertel 323: my $result;
324: my ($temp) = keys %Apache::lonhomework::results;
325: if ( $temp ne '' ) {
326: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.284 albertel 327: if ($env{'request.state'} eq 'construct' || $symb eq '') {
328: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 329: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.284 albertel 330: $env{'request.uri'},'',$domain,$name);
1.159 albertel 331: &Apache::lonxml::debug('Construct Store return message:'.$result);
332: } else {
333: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
334: $symb,$courseid,$domain,$name);
335: &Apache::lonxml::debug('Store return message:'.$result);
1.285 raeburn 336: if ($env{'request.role'} =~/^st/) {
337: &store_aggregates($symb,$courseid);
338: }
1.159 albertel 339: }
1.67 albertel 340: }
1.159 albertel 341: return $result;
1.65 albertel 342: }
343:
1.285 raeburn 344: # -------------------------------------------------------------store_aggregates
345: # Sends hash of values to be incremented in nohist_resourcetracker.db
346: # for the course. Increments total number of attempts, unique students
347: # and corrects for each part for an instance of a problem, as appropriate.
348: sub store_aggregates {
349: my ($symb,$courseid) = @_;
1.286 albertel 350: my %aggregate;
351: my @parts;
352: my ($cdomain,$cname) = split(/_/,$courseid);
353: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 ! albertel 354: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 355: push(@parts, $1);
1.285 raeburn 356: }
357: }
1.286 albertel 358: foreach my $part (@parts) {
359: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
360: eq 'APPROX_ANS' ||
361: $Apache::lonhomework::results{'resource.'.$part.'.award'}
362: eq 'EXACT_ANS') {
1.287 ! albertel 363: $aggregate{$symb."\0".$part."\0correct"} = 1;
1.285 raeburn 364: }
1.286 albertel 365: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1.287 ! albertel 366: $aggregate{$symb."\0".$part."\0users"} = 1;
1.285 raeburn 367: }
1.287 ! albertel 368: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 369: }
1.286 albertel 370: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
371: $cdomain,$cname);
1.285 raeburn 372: }
373:
1.65 albertel 374: sub checkout_msg {
1.211 albertel 375: my %lt=&Apache::lonlocal::texthash(
376: 'resource'=>'The resource needs to be checked out',
377: '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.',
378: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
379: 'checkout'=>'Check out Exam for Viewing',
380: 'checkout?'=>'Check out Exam?');
1.159 albertel 381: return (<<ENDCHECKOUT);
1.211 albertel 382: <h2>$lt{'resource'}</h2>
383: <p>$lt{'id_expln'}</p>
384: <font color="red">
385: <p>$lt{'warning'}</p>
1.91 albertel 386: </font>
1.284 albertel 387: <form name="checkout" method="POST" action="$env{'request.uri'}">
1.91 albertel 388: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 389: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 390: </form>
391: ENDCHECKOUT
392: }
393:
1.252 albertel 394: sub firstaccess_msg {
1.253 albertel 395: my ($time,$symb)=@_;
396: my ($map)=&Apache::lonnet::decode_symb($symb);
397: my $foldertitle=&Apache::lonnet::gettitle($map);
398: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.252 albertel 399: return (<<ENDCHECKOUT);
1.253 albertel 400: <h2>The resources in "$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 401: <form name="markaccess" method="POST" action="$env{'request.uri'}">
1.252 albertel 402: <input type="hidden" name="markaccess" value="yes" />
403: <input type="button" name="accessbutton" value="Show Resource" onClick="javascript:if (confirm('Start Timer?')) { document.markaccess.submit(); }" />
404: </form>
405: ENDCHECKOUT
406: }
407:
1.204 albertel 408: sub init_problem_globals {
409: my ($type)=@_;
410: #initialize globals
411: if ($type eq 'problem') {
412: $Apache::inputtags::part='0';
413: @Apache::inputtags::partlist=('0');
1.266 albertel 414: $Apache::lonhomework::problemstatus=&get_problem_status('0');
415: $Apache::lonhomework::ignore_response_errors=0;
416: } elsif ($type eq 'library') {
1.204 albertel 417: $Apache::inputtags::part='';
418: @Apache::inputtags::partlist=();
419: $Apache::lonhomework::problemstatus='';
1.266 albertel 420: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 421: }
422: @Apache::inputtags::responselist = ();
423: @Apache::inputtags::importlist = ();
424: @Apache::inputtags::previous=();
425: @Apache::inputtags::previous_version=();
426: $Apache::structuretags::printanswer='No';
427: @Apache::structuretags::whileconds=();
428: @Apache::structuretags::whilebody=();
429: @Apache::structuretags::whileline=();
430: $Apache::lonhomework::scantronmode=0;
431: undef($Apache::lonhomework::name);
432:
433: }
434:
435: sub reset_problem_globals {
436: my ($type)=@_;
437: undef(%Apache::lonhomework::history);
438: undef(%Apache::lonhomework::results);
439: undef($Apache::inputtags::part);
1.208 albertel 440: #don't undef this, lonhomework.pm takes care of this, we use this to
441: #detect if we try to do 2 problems in one file
442: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 443: undef($Apache::lonhomework::name);
444: }
445:
1.241 albertel 446: sub set_problem_state {
1.240 albertel 447: my ($part)=@_;
1.284 albertel 448: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 449: $Apache::lonhomework::history{"resource.$part.solved"}=
450: 'correct_by_student';
451: }
452: }
453:
1.241 albertel 454: sub get_problem_status {
455: my ($part)=@_;
1.267 albertel 456: my $problem_status;
1.284 albertel 457: if ($env{'request.state'} eq 'construct' &&
458: defined($env{'form.problemstatus'})) {
459: $problem_status=$env{'form.problemstatus'};
1.267 albertel 460: } else {
461: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
462: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 463: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 464: }
465: return $problem_status;
466: }
467:
1.9 albertel 468: sub start_problem {
1.159 albertel 469: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19 albertel 470:
1.184 albertel 471: if ( $Apache::inputtags::part ne '' ||
472: $Apache::lonhomework::parsing_a_problem) {
473: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
474: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
1.159 albertel 475: return '';
476: }
1.184 albertel 477:
478: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 479: &init_problem_globals('problem');
1.166 albertel 480:
1.284 albertel 481: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 482: $Apache::lonhomework::scantronmode=1;
483: }
1.161 albertel 484:
1.246 albertel 485: &initialize_storage();
1.159 albertel 486: if ($target ne 'analyze') {
487: if ($target eq 'web') {
488: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.238 albertel 489: }
1.284 albertel 490: if ($env{'request.state'} eq 'construct') { &set_problem_state('0'); }
1.159 albertel 491: $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
1.284 albertel 492: if (($env{'request.state'} eq 'construct') &&
493: defined($env{'form.problemtype'})) {
494: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 495: }
1.240 albertel 496: &Apache::lonxml::debug("Found this to be of type :$Apache::ltonhomework::type:");
1.159 albertel 497: }
1.164 albertel 498: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 499: my $uri=$env{'request.uri'};
1.159 albertel 500: if ($uri=~/\.(\w+)$/) {
501: $Apache::lonhomework::type=$1;
502: &Apache::lonxml::debug("Using type of $1");
503: } else {
504: $Apache::lonhomework::type='problem';
505: &Apache::lonxml::debug("Using default type, problem, :$uri:");
506: }
1.87 albertel 507: }
1.58 www 508:
1.159 albertel 509: #added vars to the scripting enviroment
1.213 albertel 510: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 511: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 512: &Apache::run::run($expression,$safeeval);
1.159 albertel 513: my $status;
514: my $accessmsg;
515:
516: #should get back a <html> or the neccesary stuff to start XML/MathML
517: my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
518: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
1.284 albertel 519: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 520:
521: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
522: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
523: $target eq 'tex') {
524: #handle exam checkout
525: if ($Apache::lonhomework::type eq 'exam') {
526: my $token=
527: $Apache::lonhomework::history{"resource.0.outtoken"};
1.284 albertel 528: if (($env{'form.doescheckout'}) && (!$token)) {
1.159 albertel 529: $token=&Apache::lonxml::maketoken();
530: $Apache::lonhomework::history{"resource.0.outtoken"}=
531: $token;
532: }
533: $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 534: }
1.284 albertel 535: if ($env{'form.markaccess'}) {
1.252 albertel 536: &Apache::lonnet::set_first_access('map');
537: }
1.159 albertel 538: #handle rand seed in construction space
539: my $rndseed=&setup_rndseed($safeeval);
1.162 albertel 540: my ($symb)=&Apache::lonxml::whichuser();
1.284 albertel 541: if ($env{'request.state'} ne "construct" && $symb eq '') {
1.162 albertel 542: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
543: $rndseed.'" />'.
544: '<input type="submit" name="resetdata"
1.211 albertel 545: value="'.&mt('New Problem Variation').'" />'.
1.164 albertel 546: '<input type="hidden" name="username"
1.284 albertel 547: value="'.$env{'form.username'}.'" />';
548: if ($env{'user.adv'}) {
1.267 albertel 549: $form_tag_start.=
550: ' <input type="checkbox" name="showallfoils" ';
1.284 albertel 551: if (defined($env{'form.showallfoils'})) {
1.267 albertel 552: $form_tag_start.='checked="on"';
553: }
554: $form_tag_start.= ' />'.&mt(' Show All Foils');
555: }
556: $form_tag_start.='<hr />';
1.162 albertel 557: }
1.159 albertel 558: ($status,$accessmsg) = &Apache::lonhomework::check_access('0');
559: push (@Apache::inputtags::status,$status);
560: my $expression='$external::datestatus="'.$status.'";';
561: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
562: &Apache::run::run($expression,$safeeval);
563: &Apache::lonxml::debug("Got $status");
564: if (( $status eq 'CLOSED' ) ||
565: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 566: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 567: ( $status eq 'BANNED') ||
1.216 albertel 568: ( $status eq 'UNAVAILABLE') ||
569: ( $status eq 'INVALID_ACCESS')) {
1.159 albertel 570: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
571: if ( $target eq "web" ) {
572: $result.= $head_tag_start.'</head>';
573: my $msg=$body_tag_start;
574: if ($status eq 'UNAVAILABLE') {
1.245 albertel 575: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.253 albertel 576: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 577: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 578: }
1.216 albertel 579: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.159 albertel 580: $msg.='The problem '.$accessmsg;
581: } elsif ($status eq 'UNCHECKEDOUT') {
582: $msg.=&checkout_msg;
1.252 albertel 583: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 584: $msg.=&firstaccess_msg($accessmsg,$symb);
1.159 albertel 585: }
586: $result.=$msg.'<br />';
587: } elsif ($target eq 'tex') {
588: $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
589: if ($status eq 'UNAVAILABLE') {
1.211 albertel 590: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 591: } else {
1.211 albertel 592: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 593: }
594: }
595: } elsif ($target eq 'web') {
596: my $name= &get_resource_name($parstack,$safeeval);
1.227 albertel 597: $result.="$head_tag_start<title>$name</title></head>
1.158 sakharuk 598: $body_tag_start \n $form_tag_start".
1.227 albertel 599: '<input type="hidden" name="submitted" value="yes" />';
600: # create a page header and exit
1.284 albertel 601: if ($env{'request.state'} eq "construct") {
602: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.227 albertel 603: }
604: # if we are viewing someone else preserve that info
1.284 albertel 605: if (defined $env{'form.grade_symb'}) {
1.227 albertel 606: foreach my $field ('symb','courseid','domain','username') {
607: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 608: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 609: }
610: }
611: } elsif ($target eq 'tex') {
1.192 sakharuk 612: my $startminipage = '';
1.284 albertel 613: if (not $env{'form.problem_split'}=~/yes/) {
1.192 sakharuk 614: $startminipage = '\begin{minipage}{\textwidth}';
1.178 sakharuk 615: }
1.159 albertel 616: my $id = $Apache::inputtags::part;
617: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 618: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.223 sakharuk 619: my @packages = split /,/,$packages;
620: my $allow_print_points = 0;
621: foreach my $partial_key (@packages) {
1.230 albertel 622: if ($partial_key=~m/^part_0$/) {
1.223 sakharuk 623: $allow_print_points=1;
1.159 albertel 624: }
625: }
1.276 albertel 626: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
627: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1.159 albertel 628: my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");
629: $duedate = POSIX::strftime("%c",localtime($duedate));
630: my $temp_file;
1.284 albertel 631: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.159 albertel 632: if (-e $filename) {
633: $temp_file = Apache::File->new($filename);
634: } else {
635: $temp_file = Apache::File->new('>>'.$filename);
636: }
637: my @due_file_content = <$temp_file>;
638: my $due_file_content = $due_file_content[$#due_file_content];
639: chomp $due_file_content;
1.257 sakharuk 640: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.159 albertel 641: if ($due_file_content ne $duedate) {
642: $temp_file = Apache::File->new('>'.$filename);
643: print $temp_file "$duedate\n";
1.284 albertel 644: if (not $env{'request.symb'} =~ m/\.page_/) {
1.159 albertel 645: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1.284 albertel 646: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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 647: } else {
1.284 albertel 648: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
1.159 albertel 649: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
650: }
1.104 sakharuk 651: } else {
1.159 albertel 652: $result .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\';
1.104 sakharuk 653: }
1.101 sakharuk 654: } else {
1.284 albertel 655: if (not $env{'request.symb'} =~ m/\.page_/) {
656: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
1.159 albertel 657: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
658: } else {
659: $result .= '\vskip 1mm \\\\\\\\';
660: }
661: }
1.99 sakharuk 662: }
1.159 albertel 663: } elsif ($target eq 'edit') {
664: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
665: &problem_edit_header();
1.226 albertel 666: $Apache::lonxml::warnings_error_header=
667: &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 668: my $temp=&Apache::edit::insertlist($target,$token);
669: $result.=$temp;
670: } elsif ($target eq 'modified') {
671: $result=$token->[4];
672: $result.=&Apache::edit::handle_insert();
673: } else {
674: # page_start returned a starting result, delete it if we don't need it
675: $result = '';
1.99 sakharuk 676: }
1.159 albertel 677: return $result;
1.9 albertel 678: }
679:
680: sub end_problem {
1.159 albertel 681: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
682: my $result='';
683: my $status=$Apache::inputtags::status['-1'];
684: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
685: $target eq 'tex') {
1.249 albertel 686: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 687: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 688: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
689: &Apache::inputtags::grade;
690: } else {
691: # move any submission data to .hidden
692: &Apache::inputtags::hidealldata($Apache::inputtags::part);
693: }
1.159 albertel 694: } elsif ( ($target eq 'web' || $target eq 'tex') &&
695: $Apache::inputtags::part eq '0' &&
1.252 albertel 696: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 697: # if part is zero, no <part>s existed, so we need show the current
698: # grading status
699: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
700: $result.= $gradestatus;
701: }
702: if (
1.284 albertel 703: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 704: ($target eq 'answer') || ($target eq 'tex')
705: ) {
1.227 albertel 706: if ($target ne 'tex' &&
1.284 albertel 707: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 708: $result.="</form>";
709: $result.=&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields);
1.159 albertel 710: }
711: if ($target eq 'web') {
1.281 albertel 712: $result.=&Apache::lonxml::xmlend().'</html>';
1.159 albertel 713: } elsif ($target eq 'tex') {
1.178 sakharuk 714: my $endminipage = '';
1.284 albertel 715: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 716: $endminipage = '\end{minipage}';
717: }
1.284 albertel 718: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 719: $result.=&Apache::lonxml::xmlend($target,$parser);
1.257 sakharuk 720: $result=~s/<\/html>//;
1.159 albertel 721: } else {
1.262 sakharuk 722: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 723: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 724: $result .= $endminipage.'\end{document} ';
725: } else {
726: $result .= '';
727: }
1.159 albertel 728: }
729: }
730: }
731: if ($target eq 'grade') {
732: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
733: &finalize_storage();
734: }
1.284 albertel 735: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
736: && $env{'form.answer_output_mode'} ne 'tex') {
1.172 albertel 737: $result.='</html>'; # normally we get it from xmlend, but in CSTR
738: # we always show answer mode too.
1.159 albertel 739: }
740: } elsif ($target eq 'meta') {
741: if ($Apache::inputtags::part eq '0') {
1.179 albertel 742: @Apache::inputtags::response=();
1.159 albertel 743: $result=&Apache::response::mandatory_part_meta;
744: }
1.215 albertel 745: $result.=&Apache::response::meta_part_order();
1.258 albertel 746: $result.=&Apache::response::meta_response_order();
1.159 albertel 747: } elsif ($target eq 'edit') {
748: &Apache::lonxml::debug("in end_problem with $target, edit");
749: $result = &problem_edit_footer();
750: }
1.155 albertel 751:
1.284 albertel 752: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 753: &Apache::inputtags::check_for_duplicate_ids();
754: }
1.204 albertel 755:
756: &reset_problem_globals('problem');
1.159 albertel 757:
758: return $result;
1.48 albertel 759: }
760:
1.108 albertel 761:
1.48 albertel 762: sub start_library {
1.159 albertel 763: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
764: my ($result,$head_tag_start,$body_tag_start,$form_tag_start);
1.244 albertel 765: if ($$tagstack[0] eq 'library') {
766: &init_problem_globals('library');
767: $Apache::lonhomework::type='problem';
768: }
1.159 albertel 769: if ($target eq 'edit') {
770: ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
771: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
772: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
773: &problem_edit_header();
774: my $temp=&Apache::edit::insertlist($target,$token);
775: $result.=$temp;
776: } elsif ($target eq 'modified') {
777: $result=$token->[4];
778: $result.=&Apache::edit::handle_insert();
779: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
1.284 albertel 780: $env{'request.state'} eq "construct" ) {
1.159 albertel 781: ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
782: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
783: my $name=&get_resource_name($parstack,$safeeval);
784: my $rndseed=&setup_rndseed($safeeval);
785: $result.="$head_tag_start<title>$name</title></head>
1.105 albertel 786: $body_tag_start \n $form_tag_start".
1.159 albertel 787: '<input type="hidden" name="submitted" value="yes" />';
788: $result.=&problem_web_to_edit_header($rndseed);
789: }
790: return $result;
1.48 albertel 791: }
792:
793: sub end_library {
1.159 albertel 794: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
795: my $result='';
796: if ($target eq 'edit') {
797: $result=&problem_edit_footer();
798: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
1.284 albertel 799: $env{'request.state'} eq "construct") {
1.280 albertel 800: $result.='</form>'.&Apache::loncommon::endbodytag().
801: &Apache::lonxml::xmlend();
1.159 albertel 802: }
1.204 albertel 803: if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };
1.159 albertel 804: return $result;
1.197 www 805: }
806:
807: sub start_definetag {
808: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
809:
810: my $result;
811:
812: my $name = $token->[2]->{'name'};
813: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser);
814: if ($name=~/^\//) {
815: $result=
816: '<br /><table bgcolor="#FFBBBB"><tr><th>END <tt>'.$name.'</tt></th></tr>';
817: } else {
818: $result=
819: '<br /><table bgcolor="#BBFFBB"><tr><th>BEGIN <tt>'.$name.'</tt></th></tr>';
820: }
821: $skip=~s/\</\<\;/gs;
822: $skip=~s/\>/\>\;/gs;
823: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
824: return $result;
825: }
826:
827: sub end_definetag {
828: return '';
1.1 albertel 829: }
830:
831: sub start_block {
1.201 albertel 832: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 833:
834: my $result;
1.1 albertel 835:
1.160 albertel 836: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.131 albertel 837: $target eq 'tex' || $target eq 'analyze') {
1.159 albertel 838: my $code = $token->[2]->{'condition'};
1.201 albertel 839: if (defined($code)) {
1.137 albertel 840: if (!$Apache::lonxml::default_homework_loaded) {
841: &Apache::lonxml::default_homework_load($safeeval);
842: }
1.131 albertel 843: $result = &Apache::run::run($code,$safeeval);
844: &Apache::lonxml::debug("block :$code: returned :$result:");
845: } else {
846: $result='1';
847: }
848: if ( ! $result ) {
1.201 albertel 849: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 850: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
851: }
852: $result='';
853: } elsif ($target eq 'edit') {
854: $result .=&Apache::edit::tag_start($target,$token);
855: $result .=&Apache::edit::text_arg('Test Condition:','condition',
856: $token,40);
857: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
858: } elsif ($target eq 'modified') {
859: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
860: $safeeval,'condition');
861: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 862: }
1.131 albertel 863: return $result;
1.1 albertel 864: }
865:
866: sub end_block {
1.167 www 867: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
868: my $result;
869: if ($target eq "edit") {
870: $result.= &Apache::edit::tag_end($target,$token,'');
871: }
872: return $result;
873: }
874:
875: sub start_languageblock {
1.201 albertel 876: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 877:
878: my $result;
879:
880: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
881: $target eq 'tex' || $target eq 'analyze') {
1.201 albertel 882: my $include = $token->[2]->{'include'};
883: my $exclude = $token->[2]->{'exclude'};
884: my %languages=&Apache::loncommon::display_languages();
885: $result='1';
886: if ($include) {
887: $result='';
888: foreach (split(/\,/,$include)) {
889: if ($languages{$_}) { $result='1'; }
890: }
891: }
892: if ($exclude) {
893: foreach (split(/\,/,$exclude)) {
894: if ($languages{$_}) { $result='0'; }
895: }
896: }
897: if ( ! $result ) {
898: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
899: $style);
900: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
901: }
902: $result='';
1.167 www 903: } elsif ($target eq 'edit') {
904: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 905: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 906: $token,40);
1.211 albertel 907: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 908: $token,40);
909: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
910: } elsif ($target eq 'modified') {
911: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 912: $safeeval,'include',
913: 'exclude');
1.167 www 914: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
915: }
916: return $result;
917: }
918:
919: sub end_languageblock {
1.170 www 920: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
921: my $result;
1.201 albertel 922: if ($target eq "edit") {
1.170 www 923: $result.= &Apache::edit::tag_end($target,$token,'');
924: }
925: return $result;
926: }
927:
928: sub start_instructorcomment {
1.201 albertel 929: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 930:
931: my $result;
932:
933: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
934: $target eq 'tex' || $target eq 'analyze') {
1.284 albertel 935: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
936: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 937: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
938: $parser,$style);
1.170 www 939: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
940: }
941: $result='';
942: } elsif ($target eq 'edit') {
943: $result .=&Apache::edit::tag_start($target,$token);
944: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
945: }
946: return $result;
947: }
948:
949: sub end_instructorcomment {
1.159 albertel 950: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 951: my $result;
952: if ($target eq "edit") {
953: $result.= &Apache::edit::tag_end($target,$token,'');
954: }
955: return $result;
1.4 tsai 956: }
957:
958: sub start_while {
1.159 albertel 959: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
960:
1.160 albertel 961: my $result;
1.161 albertel 962: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.160 albertel 963: $target eq 'tex' || $target eq 'analyze') {
964: my $code = $token->[2]->{'condition'};
1.4 tsai 965:
1.160 albertel 966: push( @Apache::structuretags::whileconds, $code);
967: if (!$Apache::lonxml::default_homework_loaded) {
968: &Apache::lonxml::default_homework_load($safeeval);
969: }
970: my $result = &Apache::run::run($code,$safeeval);
1.161 albertel 971: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser);
1.160 albertel 972: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 973: push( @Apache::structuretags::whileline, $token->[5]);
974: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 975: if ( $result ) {
976: &Apache::lonxml::newparser($parser,\$bodytext);
977: }
978: } elsif ($target eq 'edit') {
979: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 980: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 981: $token,40);
982: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
983: } elsif ($target eq 'modified') {
984: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
985: $safeeval,'condition');
986: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 987: }
1.160 albertel 988: return $result;
1.4 tsai 989: }
990:
991: sub end_while {
1.159 albertel 992: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 993: my $result;
994:
995: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
996: $target eq 'tex' || $target eq 'analyze') {
997: my $code = pop(@Apache::structuretags::whileconds);
998: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 999: my $line = pop(@Apache::structuretags::whileline);
1000: my $return = &Apache::run::run($code,$safeeval);
1001: my $starttime=time;
1002: my $error=0;
1003: while ($return) {
1004: if (time-$starttime >
1005: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.270 albertel 1006: #$return = 0; $error=1; next;
1.161 albertel 1007: }
1008: $result.=&Apache::scripttag::xmlparse($bodytext);
1009: $return = &Apache::run::run($code,$safeeval);
1010: }
1011: if ($error) {
1.270 albertel 1012: &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 1013: }
1014: } elsif ($target eq "edit") {
1015: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1016: }
1.160 albertel 1017: return $result;
1.1 albertel 1018: }
1.6 tsai 1019:
1.160 albertel 1020: # <randomlist show="1">
1.6 tsai 1021: # <tag1>..</tag1>
1022: # <tag2>..</tag2>
1023: # <tag3>..</tag3>
1.160 albertel 1024: # ...
1.6 tsai 1025: # </randomlist>
1026: sub start_randomlist {
1.159 albertel 1027: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1028: my $result;
1029: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1030: $target eq 'tex' || $target eq 'analyze') {
1031: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1032: my $b_parser= HTML::TokeParser->new(\$body);
1033: my $b_tok;
1034: my @randomlist;
1035: my $list_item;
1036: while($b_tok = $b_parser->get_token() ) {
1037: if($b_tok->[0] eq 'S') { # start tag
1038: # get content of the tag until matching end tag
1039: # get all text upto the matching tag
1040: # and push the content into @randomlist
1041: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1042: $b_parser);
1043: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1044: push(@randomlist,$list_item);
1045: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1046: # $list_item</b>";
1047: }
1048: if($b_tok->[0] eq 'T') { # text
1049: # what to do with text in between tags?
1050: # print "<b>TEXT $b_tok->[1]</b><br />";
1051: }
1052: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1053: # print "<b>END-TAG $b_tok->[1]</b><br />";
1054: # }
1055: }
1056: my @idx_arr = (0 .. $#randomlist);
1057: &Apache::structuretags::shuffle(\@idx_arr);
1058: my $bodytext = '';
1059: my $show=$#randomlist;
1060: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1061: $showarg--;
1062: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1063: for(0 .. $show) {
1064: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1065: }
1066: &Apache::lonxml::newparser($parser,\$bodytext);
1067: } elsif ($target eq 'edit' ) {
1068: $result .=&Apache::edit::tag_start($target,$token);
1069: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1070: $token,5);
1071: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1072: } elsif ($target eq 'modified' ) {
1073: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1074: $safeeval,'show');
1075: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1076: }
1077: return $result;
1.7 tsai 1078: }
1079:
1080: sub shuffle {
1081: my $a=shift;
1082: my $i;
1.70 albertel 1083: if (defined(@$a)) {
1.251 albertel 1084: &Apache::response::pushrandomnumber();
1.159 albertel 1085: for($i=@$a;--$i;) {
1086: my $j=int(&Math::Random::random_uniform() * ($i+1));
1087: next if $i == $j;
1088: @$a[$i,$j] = @$a[$j,$i];
1089: }
1.251 albertel 1090: &Apache::response::poprandomnumber();
1.7 tsai 1091: }
1.6 tsai 1092: }
1093:
1094: sub end_randomlist {
1.159 albertel 1095: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1096: my $result;
1097: if ($target eq 'edit' ) {
1098: $result=&Apache::edit::tag_end($target,$token,
1099: 'End Randomly Parsed Block');
1100: }
1101: return $result;
1.6 tsai 1102: }
1103:
1.283 albertel 1104: sub ordered_show_check {
1105: my $last_part=$Apache::inputtags::partlist[-2];
1106: my $in_order=
1107: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1108: my $in_order_show=1;
1109: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1110: $in_order_show=&Apache::response::check_status($last_part);
1111: }
1112: return $in_order_show;
1113: }
1114:
1.11 albertel 1115: sub start_part {
1.159 albertel 1116: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1117: my $result='';
1118: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
1119: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
1120: $Apache::inputtags::part=$id;
1.177 albertel 1121: push(@Apache::inputtags::partlist,$id);
1122: @Apache::inputtags::response=();
1.159 albertel 1123: @Apache::inputtags::previous=();
1124: @Apache::inputtags::previous_version=();
1.241 albertel 1125: $Apache::lonhomework::problemstatus=&get_problem_status($id);
1.159 albertel 1126: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1127: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1128: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1129: my $in_order_show=&ordered_show_check();
1.214 albertel 1130: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1131: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1132: &Apache::run::run($expression,$safeeval);
1.159 albertel 1133:
1134: if ($target eq 'meta') {
1.224 www 1135: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1136: return &Apache::response::mandatory_part_meta.
1137: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1138: } elsif ($target eq 'web' || $target eq 'grade' ||
1139: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1140: if ($hidden || !$in_order_show) {
1.159 albertel 1141: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
1142: } else {
1143: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1144: push (@Apache::inputtags::status,$status);
1145: my $expression='$external::datestatus="'.$status.'";';
1146: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1147: &Apache::run::run($expression,$safeeval);
1.284 albertel 1148: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1149: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1150: }
1.216 albertel 1151: if (( $status eq 'CLOSED' ) ||
1152: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1153: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1154: ( $status eq 'BANNED') ||
1155: ( $status eq 'UNAVAILABLE') ||
1156: ( $status eq 'INVALID_ACCESS')) {
1.159 albertel 1157: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
1158: if ( $target eq "web" ) {
1.211 albertel 1159: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1160: } elsif ( $target eq 'tex' ) {
1.284 albertel 1161: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1162: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1163: } else {
1.211 albertel 1164: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1165: }
1.159 albertel 1166: }
1167: } else {
1168: if ($target eq 'tex') {
1.284 albertel 1169: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1170: if ($$tagstack[-2] eq 'td') {
1171: $result.='\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1172: } else {
1173: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1174: }
1.195 sakharuk 1175: }
1.159 albertel 1176: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1177: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1178: my @allkeys = split /,/,$allkeys;
1179: my $allow_print_points = 0;
1180: foreach my $partial_key (@allkeys) {
1.230 albertel 1181: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1182: if ($1 ne '0') {$allow_print_points=1;}
1183: }
1184: }
1.275 albertel 1185: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1186: if (defined($maxtries) && $maxtries < 0) {
1187: $allow_print_points=0;
1188: }
1.222 sakharuk 1189: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1190: } elsif ($target eq 'web') {
1191: $result.='<a name="'.&Apache::lonnet::escape($Apache::inputtags::part).'" />';
1.159 albertel 1192: }
1193: }
1194: }
1195: } elsif ($target eq 'edit') {
1196: $result.=&Apache::edit::tag_start($target,$token);
1197: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1198: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1199: ' '.
1200: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1201: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1202: } elsif ($target eq 'modified') {
1203: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1204: $safeeval,'id','display');
1.159 albertel 1205: if ($constructtag) {
1.225 albertel 1206: #limiting ids to only letters numbers, and space
1.224 www 1207: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1208: $result = &Apache::edit::rebuild_tag($token);
1209: $result.=&Apache::edit::handle_insert();
1210: }
1211: }
1212: return $result;
1.11 albertel 1213: }
1214:
1215: sub end_part {
1.159 albertel 1216: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1217: &Apache::lonxml::debug("in end_part $target ");
1218: my $status=$Apache::inputtags::status['-1'];
1219: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1220: my $in_order_show=&ordered_show_check();
1.159 albertel 1221: my $result='';
1222: if ( $target eq 'meta' ) {
1223: $result='';
1.249 albertel 1224: } elsif ($target eq 'grade') {
1225: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1226: !$hidden && $in_order_show) {
1.249 albertel 1227: $result=&Apache::inputtags::grade;
1228: } else {
1229: # move any submission data to .hidden
1230: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1231: }
1.283 albertel 1232: } elsif (($target eq 'web' || $target eq 'tex') &&
1233: !$hidden && $in_order_show) {
1.159 albertel 1234: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1235: $target);
1.212 albertel 1236: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1237: $gradestatus='';
1238: }
1.159 albertel 1239: $result=$gradestatus;
1.265 sakharuk 1240: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1241: } elsif ($target eq 'edit') {
1242: $result=&Apache::edit::end_table();
1.159 albertel 1243: }
1244: pop @Apache::inputtags::status;
1245: $Apache::inputtags::part='';
1246: return $result;
1.11 albertel 1247: }
1.1 albertel 1248:
1.25 albertel 1249: sub start_preduedate {
1.159 albertel 1250: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1251: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.236 albertel 1252: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.159 albertel 1253: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1254: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1255: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.159 albertel 1256: &Apache::lonxml::get_all_text("/preduedate",$parser);
1257: }
1.24 albertel 1258: }
1.159 albertel 1259: return '';
1.24 albertel 1260: }
1261:
1.25 albertel 1262: sub end_preduedate {
1.159 albertel 1263: return '';
1.24 albertel 1264: }
1265:
1.25 albertel 1266: sub start_postanswerdate {
1.159 albertel 1267: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.234 albertel 1268: if ($target eq 'web' || $target eq 'grade') {
1.159 albertel 1269: if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
1270: &Apache::lonxml::get_all_text("/postanswerdate",$parser);
1271: }
1272: } elsif ($target eq 'tex') {
1.234 albertel 1273: &Apache::lonxml::get_all_text("/postanswerdate",$parser);
1.159 albertel 1274: }
1275: return '';
1.24 albertel 1276: }
1277:
1.25 albertel 1278: sub end_postanswerdate {
1.159 albertel 1279: return '';
1.24 albertel 1280: }
1281:
1.25 albertel 1282: sub start_notsolved {
1.159 albertel 1283: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1284: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1285: $target eq 'tex') {
1286: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1287: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1288: if ($gradestatus =~ /^correct/ &&
1289: &Apache::response::show_answer()) {
1.159 albertel 1290: &Apache::lonxml::debug("skipping");
1291: &Apache::lonxml::get_all_text("/notsolved",$parser);
1292: }
1.24 albertel 1293: }
1.159 albertel 1294: return '';
1.24 albertel 1295: }
1296:
1.25 albertel 1297: sub end_notsolved {
1.159 albertel 1298: return '';
1.24 albertel 1299: }
1300:
1301: sub start_solved {
1.159 albertel 1302: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1303: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1304: $target eq 'tex') {
1305: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1306: if ($gradestatus !~ /^correct/ ||
1307: !&Apache::response::show_answer()) {
1.159 albertel 1308: &Apache::lonxml::get_all_text("/solved",$parser);
1309: }
1.24 albertel 1310: }
1.159 albertel 1311: return '';
1.24 albertel 1312: }
1313:
1314: sub end_solved {
1.248 albertel 1315: return '';
1316: }
1317:
1318: sub start_problemtype {
1319: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1320: my $result;
1321: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1322: $target eq 'tex' || $target eq 'analyze') {
1323: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1324: if (!defined($mode)) { $mode='show'; }
1325: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1326: my $found=0;
1327: foreach my $type (split(',',$for)) {
1328: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1329: }
1330: if ($mode eq 'show' && !$found) {
1331: &Apache::lonxml::get_all_text("/problemtype",$parser);
1332: }
1333: if ($mode eq 'hide' && $found) {
1334: &Apache::lonxml::get_all_text("/problemtype",$parser);
1335: }
1336: } elsif ($target eq 'edit') {
1337: $result .=&Apache::edit::tag_start($target,$token);
1338: $result.=&Apache::edit::select_arg('Mode:','mode',
1339: [['show','Show'],
1340: ['hide','Hide']]
1341: ,$token);
1342: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1343: [ ['exam','Exam/Quiz Problem'],
1344: ['survey','Survey'],
1345: ['problem','Homework Problem'] ]
1346: ,$token);
1347: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1348: } elsif ($target eq 'modified') {
1349: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1350: $safeeval,'mode','for');
1351: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1352: }
1353: return $result;
1354: }
1355:
1356: sub end_problemtype {
1.159 albertel 1357: return '';
1.24 albertel 1358: }
1.34 albertel 1359:
1360: sub start_startouttext {
1.159 albertel 1361: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1362: my @result=(''.'');
1363: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1364: return (@result);
1.34 albertel 1365: }
1.159 albertel 1366:
1.34 albertel 1367: sub end_startouttext {
1.159 albertel 1368: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1369: my $result='';
1370: my $text='';
1371:
1372: if ($target eq 'edit') {
1373: $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1.211 albertel 1374: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1375: <td>".&mt('Delete:').
1.159 albertel 1376: &Apache::edit::deletelist($target,$token)
1377: ."</td>
1.42 albertel 1378: <td>".
1.159 albertel 1379: &Apache::edit::insertlist($target,$token).
1380: &Apache::edit::end_row().
1381: &Apache::edit::start_spanning_row()."\n"
1.188 bowersj2 1382: . &Apache::loncommon::helpLatexCheatsheet () .
1.255 www 1383: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 1384: }
1385: if ($target eq 'modified') {
1.219 albertel 1386: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1387: }
1388: if ($target eq 'tex') {
1389: $result .= '\noindent ';
1390: }
1391: return $result;
1.34 albertel 1392: }
1.159 albertel 1393:
1.34 albertel 1394: sub start_endouttext {
1.159 albertel 1395: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1396: my $result='';
1397: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1398: if ($target eq "modified") {
1399: $result='<endouttext />'.
1400: &Apache::edit::handle_insertafter('startouttext'); }
1401: return $result;
1.34 albertel 1402: }
1.159 albertel 1403:
1.34 albertel 1404: sub end_endouttext {
1.159 albertel 1405: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1406: my @result=('','');
1407: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1408: return (@result);
1.34 albertel 1409: }
1.159 albertel 1410:
1.45 albertel 1411: sub delete_startouttext {
1.159 albertel 1412: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1413: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1414: my $text=$$parser['-1']->get_text("/endouttext");
1415: my $ntoken=$$parser['-1']->get_token();
1416: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1417: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1418: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1419: # they did the last time round
1420: &Apache::lonxml::increasedepth($ntoken);
1421: &Apache::lonxml::decreasedepth($ntoken);
1422: return 1;
1.193 www 1423: }
1424:
1425: sub start_simpleeditbutton {
1426: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1427: my $result='';
1.284 albertel 1428: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 1429: ($target eq 'web') &&
1.284 albertel 1430: (&Apache::lonnet::allowed('srm',$env{'request.course.id'}))) {
1431: my $url=$env{'request.noversionuri'};
1.193 www 1432: $url=~s/\?.*$//;
1.278 albertel 1433: my ($symb) = &Apache::lonxml::whichuser();
1.194 www 1434: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.278 albertel 1435: '<a href="'.$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 1436: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1437: }
1438: return $result;
1439: }
1440:
1441: sub end_simpleeditbutton {
1442: return '';
1.45 albertel 1443: }
1.34 albertel 1444:
1.1 albertel 1445: 1;
1446: __END__
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