Annotation of loncom/homework/structuretags.pm, revision 1.289
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.289 ! albertel 4: # $Id: structuretags.pm,v 1.288 2005/04/18 22:39:35 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 $result;
1.289 ! albertel 324: if (%Apache::lonhomework::results) {
1.159 albertel 325: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.284 albertel 326: if ($env{'request.state'} eq 'construct' || $symb eq '') {
327: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 328: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.284 albertel 329: $env{'request.uri'},'',$domain,$name);
1.159 albertel 330: &Apache::lonxml::debug('Construct Store return message:'.$result);
331: } else {
332: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
333: $symb,$courseid,$domain,$name);
334: &Apache::lonxml::debug('Store return message:'.$result);
1.285 raeburn 335: if ($env{'request.role'} =~/^st/) {
336: &store_aggregates($symb,$courseid);
337: }
1.159 albertel 338: }
1.67 albertel 339: }
1.159 albertel 340: return $result;
1.65 albertel 341: }
1.289 ! albertel 342: use Data::Dumper;
1.65 albertel 343:
1.285 raeburn 344: # -------------------------------------------------------------store_aggregates
345: # Sends hash of values to be incremented in nohist_resourcetracker.db
346: # for the course. Increments total number of attempts, unique students
347: # and corrects for each part for an instance of a problem, as appropriate.
348: sub store_aggregates {
349: my ($symb,$courseid) = @_;
1.286 albertel 350: my %aggregate;
351: my @parts;
1.288 albertel 352: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
353: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 354: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 355: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 356: push(@parts, $1);
1.285 raeburn 357: }
358: }
1.286 albertel 359: foreach my $part (@parts) {
360: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
361: eq 'APPROX_ANS' ||
362: $Apache::lonhomework::results{'resource.'.$part.'.award'}
363: eq 'EXACT_ANS') {
1.287 albertel 364: $aggregate{$symb."\0".$part."\0correct"} = 1;
1.285 raeburn 365: }
1.286 albertel 366: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1.287 albertel 367: $aggregate{$symb."\0".$part."\0users"} = 1;
1.285 raeburn 368: }
1.287 albertel 369: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 370: }
1.289 ! albertel 371: if (%aggregate) {
! 372: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
! 373: $cdomain,$cname);
! 374:
! 375: }
1.285 raeburn 376: }
377:
1.65 albertel 378: sub checkout_msg {
1.211 albertel 379: my %lt=&Apache::lonlocal::texthash(
380: 'resource'=>'The resource needs to be checked out',
381: '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.',
382: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
383: 'checkout'=>'Check out Exam for Viewing',
384: 'checkout?'=>'Check out Exam?');
1.159 albertel 385: return (<<ENDCHECKOUT);
1.211 albertel 386: <h2>$lt{'resource'}</h2>
387: <p>$lt{'id_expln'}</p>
388: <font color="red">
389: <p>$lt{'warning'}</p>
1.91 albertel 390: </font>
1.284 albertel 391: <form name="checkout" method="POST" action="$env{'request.uri'}">
1.91 albertel 392: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 393: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 394: </form>
395: ENDCHECKOUT
396: }
397:
1.252 albertel 398: sub firstaccess_msg {
1.253 albertel 399: my ($time,$symb)=@_;
400: my ($map)=&Apache::lonnet::decode_symb($symb);
401: my $foldertitle=&Apache::lonnet::gettitle($map);
402: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.252 albertel 403: return (<<ENDCHECKOUT);
1.253 albertel 404: <h2>The resources in "$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 405: <form name="markaccess" method="POST" action="$env{'request.uri'}">
1.252 albertel 406: <input type="hidden" name="markaccess" value="yes" />
407: <input type="button" name="accessbutton" value="Show Resource" onClick="javascript:if (confirm('Start Timer?')) { document.markaccess.submit(); }" />
408: </form>
409: ENDCHECKOUT
410: }
411:
1.204 albertel 412: sub init_problem_globals {
413: my ($type)=@_;
414: #initialize globals
415: if ($type eq 'problem') {
416: $Apache::inputtags::part='0';
417: @Apache::inputtags::partlist=('0');
1.266 albertel 418: $Apache::lonhomework::problemstatus=&get_problem_status('0');
419: $Apache::lonhomework::ignore_response_errors=0;
420: } elsif ($type eq 'library') {
1.204 albertel 421: $Apache::inputtags::part='';
422: @Apache::inputtags::partlist=();
423: $Apache::lonhomework::problemstatus='';
1.266 albertel 424: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 425: }
426: @Apache::inputtags::responselist = ();
427: @Apache::inputtags::importlist = ();
428: @Apache::inputtags::previous=();
429: @Apache::inputtags::previous_version=();
430: $Apache::structuretags::printanswer='No';
431: @Apache::structuretags::whileconds=();
432: @Apache::structuretags::whilebody=();
433: @Apache::structuretags::whileline=();
434: $Apache::lonhomework::scantronmode=0;
435: undef($Apache::lonhomework::name);
436:
437: }
438:
439: sub reset_problem_globals {
440: my ($type)=@_;
441: undef(%Apache::lonhomework::history);
442: undef(%Apache::lonhomework::results);
443: undef($Apache::inputtags::part);
1.208 albertel 444: #don't undef this, lonhomework.pm takes care of this, we use this to
445: #detect if we try to do 2 problems in one file
446: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 447: undef($Apache::lonhomework::name);
448: }
449:
1.241 albertel 450: sub set_problem_state {
1.240 albertel 451: my ($part)=@_;
1.284 albertel 452: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 453: $Apache::lonhomework::history{"resource.$part.solved"}=
454: 'correct_by_student';
455: }
456: }
457:
1.241 albertel 458: sub get_problem_status {
459: my ($part)=@_;
1.267 albertel 460: my $problem_status;
1.284 albertel 461: if ($env{'request.state'} eq 'construct' &&
462: defined($env{'form.problemstatus'})) {
463: $problem_status=$env{'form.problemstatus'};
1.267 albertel 464: } else {
465: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
466: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 467: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 468: }
469: return $problem_status;
470: }
471:
1.9 albertel 472: sub start_problem {
1.159 albertel 473: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19 albertel 474:
1.184 albertel 475: if ( $Apache::inputtags::part ne '' ||
476: $Apache::lonhomework::parsing_a_problem) {
477: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
478: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
1.159 albertel 479: return '';
480: }
1.184 albertel 481:
482: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 483: &init_problem_globals('problem');
1.166 albertel 484:
1.284 albertel 485: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 486: $Apache::lonhomework::scantronmode=1;
487: }
1.161 albertel 488:
1.246 albertel 489: &initialize_storage();
1.159 albertel 490: if ($target ne 'analyze') {
491: if ($target eq 'web') {
492: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.238 albertel 493: }
1.284 albertel 494: if ($env{'request.state'} eq 'construct') { &set_problem_state('0'); }
1.159 albertel 495: $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
1.284 albertel 496: if (($env{'request.state'} eq 'construct') &&
497: defined($env{'form.problemtype'})) {
498: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 499: }
1.240 albertel 500: &Apache::lonxml::debug("Found this to be of type :$Apache::ltonhomework::type:");
1.159 albertel 501: }
1.164 albertel 502: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 503: my $uri=$env{'request.uri'};
1.159 albertel 504: if ($uri=~/\.(\w+)$/) {
505: $Apache::lonhomework::type=$1;
506: &Apache::lonxml::debug("Using type of $1");
507: } else {
508: $Apache::lonhomework::type='problem';
509: &Apache::lonxml::debug("Using default type, problem, :$uri:");
510: }
1.87 albertel 511: }
1.58 www 512:
1.159 albertel 513: #added vars to the scripting enviroment
1.213 albertel 514: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 515: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 516: &Apache::run::run($expression,$safeeval);
1.159 albertel 517: my $status;
518: my $accessmsg;
519:
520: #should get back a <html> or the neccesary stuff to start XML/MathML
521: my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
522: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
1.284 albertel 523: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 524:
525: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
526: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
527: $target eq 'tex') {
528: #handle exam checkout
529: if ($Apache::lonhomework::type eq 'exam') {
530: my $token=
531: $Apache::lonhomework::history{"resource.0.outtoken"};
1.284 albertel 532: if (($env{'form.doescheckout'}) && (!$token)) {
1.159 albertel 533: $token=&Apache::lonxml::maketoken();
534: $Apache::lonhomework::history{"resource.0.outtoken"}=
535: $token;
536: }
537: $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 538: }
1.284 albertel 539: if ($env{'form.markaccess'}) {
1.252 albertel 540: &Apache::lonnet::set_first_access('map');
541: }
1.159 albertel 542: #handle rand seed in construction space
543: my $rndseed=&setup_rndseed($safeeval);
1.162 albertel 544: my ($symb)=&Apache::lonxml::whichuser();
1.284 albertel 545: if ($env{'request.state'} ne "construct" && $symb eq '') {
1.162 albertel 546: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
547: $rndseed.'" />'.
548: '<input type="submit" name="resetdata"
1.211 albertel 549: value="'.&mt('New Problem Variation').'" />'.
1.164 albertel 550: '<input type="hidden" name="username"
1.284 albertel 551: value="'.$env{'form.username'}.'" />';
552: if ($env{'user.adv'}) {
1.267 albertel 553: $form_tag_start.=
554: ' <input type="checkbox" name="showallfoils" ';
1.284 albertel 555: if (defined($env{'form.showallfoils'})) {
1.267 albertel 556: $form_tag_start.='checked="on"';
557: }
558: $form_tag_start.= ' />'.&mt(' Show All Foils');
559: }
560: $form_tag_start.='<hr />';
1.162 albertel 561: }
1.159 albertel 562: ($status,$accessmsg) = &Apache::lonhomework::check_access('0');
563: push (@Apache::inputtags::status,$status);
564: my $expression='$external::datestatus="'.$status.'";';
565: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
566: &Apache::run::run($expression,$safeeval);
567: &Apache::lonxml::debug("Got $status");
568: if (( $status eq 'CLOSED' ) ||
569: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 570: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 571: ( $status eq 'BANNED') ||
1.216 albertel 572: ( $status eq 'UNAVAILABLE') ||
573: ( $status eq 'INVALID_ACCESS')) {
1.159 albertel 574: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
575: if ( $target eq "web" ) {
576: $result.= $head_tag_start.'</head>';
577: my $msg=$body_tag_start;
578: if ($status eq 'UNAVAILABLE') {
1.245 albertel 579: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.253 albertel 580: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 581: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 582: }
1.216 albertel 583: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.159 albertel 584: $msg.='The problem '.$accessmsg;
585: } elsif ($status eq 'UNCHECKEDOUT') {
586: $msg.=&checkout_msg;
1.252 albertel 587: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 588: $msg.=&firstaccess_msg($accessmsg,$symb);
1.159 albertel 589: }
590: $result.=$msg.'<br />';
591: } elsif ($target eq 'tex') {
592: $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
593: if ($status eq 'UNAVAILABLE') {
1.211 albertel 594: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 595: } else {
1.211 albertel 596: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 597: }
598: }
599: } elsif ($target eq 'web') {
600: my $name= &get_resource_name($parstack,$safeeval);
1.227 albertel 601: $result.="$head_tag_start<title>$name</title></head>
1.158 sakharuk 602: $body_tag_start \n $form_tag_start".
1.227 albertel 603: '<input type="hidden" name="submitted" value="yes" />';
604: # create a page header and exit
1.284 albertel 605: if ($env{'request.state'} eq "construct") {
606: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.227 albertel 607: }
608: # if we are viewing someone else preserve that info
1.284 albertel 609: if (defined $env{'form.grade_symb'}) {
1.227 albertel 610: foreach my $field ('symb','courseid','domain','username') {
611: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 612: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 613: }
614: }
615: } elsif ($target eq 'tex') {
1.192 sakharuk 616: my $startminipage = '';
1.284 albertel 617: if (not $env{'form.problem_split'}=~/yes/) {
1.192 sakharuk 618: $startminipage = '\begin{minipage}{\textwidth}';
1.178 sakharuk 619: }
1.159 albertel 620: my $id = $Apache::inputtags::part;
621: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 622: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.223 sakharuk 623: my @packages = split /,/,$packages;
624: my $allow_print_points = 0;
625: foreach my $partial_key (@packages) {
1.230 albertel 626: if ($partial_key=~m/^part_0$/) {
1.223 sakharuk 627: $allow_print_points=1;
1.159 albertel 628: }
629: }
1.276 albertel 630: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
631: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1.159 albertel 632: my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");
633: $duedate = POSIX::strftime("%c",localtime($duedate));
634: my $temp_file;
1.284 albertel 635: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.159 albertel 636: if (-e $filename) {
637: $temp_file = Apache::File->new($filename);
638: } else {
639: $temp_file = Apache::File->new('>>'.$filename);
640: }
641: my @due_file_content = <$temp_file>;
642: my $due_file_content = $due_file_content[$#due_file_content];
643: chomp $due_file_content;
1.257 sakharuk 644: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.159 albertel 645: if ($due_file_content ne $duedate) {
646: $temp_file = Apache::File->new('>'.$filename);
647: print $temp_file "$duedate\n";
1.284 albertel 648: if (not $env{'request.symb'} =~ m/\.page_/) {
1.159 albertel 649: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1.284 albertel 650: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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 651: } else {
1.284 albertel 652: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
1.159 albertel 653: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
654: }
1.104 sakharuk 655: } else {
1.159 albertel 656: $result .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\';
1.104 sakharuk 657: }
1.101 sakharuk 658: } else {
1.284 albertel 659: if (not $env{'request.symb'} =~ m/\.page_/) {
660: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
1.159 albertel 661: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
662: } else {
663: $result .= '\vskip 1mm \\\\\\\\';
664: }
665: }
1.99 sakharuk 666: }
1.159 albertel 667: } elsif ($target eq 'edit') {
668: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
669: &problem_edit_header();
1.226 albertel 670: $Apache::lonxml::warnings_error_header=
671: &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 672: my $temp=&Apache::edit::insertlist($target,$token);
673: $result.=$temp;
674: } elsif ($target eq 'modified') {
675: $result=$token->[4];
676: $result.=&Apache::edit::handle_insert();
677: } else {
678: # page_start returned a starting result, delete it if we don't need it
679: $result = '';
1.99 sakharuk 680: }
1.159 albertel 681: return $result;
1.9 albertel 682: }
683:
684: sub end_problem {
1.159 albertel 685: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
686: my $result='';
687: my $status=$Apache::inputtags::status['-1'];
688: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
689: $target eq 'tex') {
1.249 albertel 690: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 691: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 692: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
693: &Apache::inputtags::grade;
694: } else {
695: # move any submission data to .hidden
696: &Apache::inputtags::hidealldata($Apache::inputtags::part);
697: }
1.159 albertel 698: } elsif ( ($target eq 'web' || $target eq 'tex') &&
699: $Apache::inputtags::part eq '0' &&
1.252 albertel 700: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 701: # if part is zero, no <part>s existed, so we need show the current
702: # grading status
703: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
704: $result.= $gradestatus;
705: }
706: if (
1.284 albertel 707: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 708: ($target eq 'answer') || ($target eq 'tex')
709: ) {
1.227 albertel 710: if ($target ne 'tex' &&
1.284 albertel 711: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 712: $result.="</form>";
713: $result.=&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields);
1.159 albertel 714: }
715: if ($target eq 'web') {
1.281 albertel 716: $result.=&Apache::lonxml::xmlend().'</html>';
1.159 albertel 717: } elsif ($target eq 'tex') {
1.178 sakharuk 718: my $endminipage = '';
1.284 albertel 719: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 720: $endminipage = '\end{minipage}';
721: }
1.284 albertel 722: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 723: $result.=&Apache::lonxml::xmlend($target,$parser);
1.257 sakharuk 724: $result=~s/<\/html>//;
1.159 albertel 725: } else {
1.262 sakharuk 726: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 727: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 728: $result .= $endminipage.'\end{document} ';
729: } else {
730: $result .= '';
731: }
1.159 albertel 732: }
733: }
734: }
735: if ($target eq 'grade') {
736: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
737: &finalize_storage();
738: }
1.284 albertel 739: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
740: && $env{'form.answer_output_mode'} ne 'tex') {
1.172 albertel 741: $result.='</html>'; # normally we get it from xmlend, but in CSTR
742: # we always show answer mode too.
1.159 albertel 743: }
744: } elsif ($target eq 'meta') {
745: if ($Apache::inputtags::part eq '0') {
1.179 albertel 746: @Apache::inputtags::response=();
1.159 albertel 747: $result=&Apache::response::mandatory_part_meta;
748: }
1.215 albertel 749: $result.=&Apache::response::meta_part_order();
1.258 albertel 750: $result.=&Apache::response::meta_response_order();
1.159 albertel 751: } elsif ($target eq 'edit') {
752: &Apache::lonxml::debug("in end_problem with $target, edit");
753: $result = &problem_edit_footer();
754: }
1.155 albertel 755:
1.284 albertel 756: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 757: &Apache::inputtags::check_for_duplicate_ids();
758: }
1.204 albertel 759:
760: &reset_problem_globals('problem');
1.159 albertel 761:
762: return $result;
1.48 albertel 763: }
764:
1.108 albertel 765:
1.48 albertel 766: sub start_library {
1.159 albertel 767: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
768: my ($result,$head_tag_start,$body_tag_start,$form_tag_start);
1.244 albertel 769: if ($$tagstack[0] eq 'library') {
770: &init_problem_globals('library');
771: $Apache::lonhomework::type='problem';
772: }
1.159 albertel 773: if ($target eq 'edit') {
774: ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
775: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
776: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
777: &problem_edit_header();
778: my $temp=&Apache::edit::insertlist($target,$token);
779: $result.=$temp;
780: } elsif ($target eq 'modified') {
781: $result=$token->[4];
782: $result.=&Apache::edit::handle_insert();
783: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
1.284 albertel 784: $env{'request.state'} eq "construct" ) {
1.159 albertel 785: ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
786: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
787: my $name=&get_resource_name($parstack,$safeeval);
788: my $rndseed=&setup_rndseed($safeeval);
789: $result.="$head_tag_start<title>$name</title></head>
1.105 albertel 790: $body_tag_start \n $form_tag_start".
1.159 albertel 791: '<input type="hidden" name="submitted" value="yes" />';
792: $result.=&problem_web_to_edit_header($rndseed);
793: }
794: return $result;
1.48 albertel 795: }
796:
797: sub end_library {
1.159 albertel 798: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
799: my $result='';
800: if ($target eq 'edit') {
801: $result=&problem_edit_footer();
802: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
1.284 albertel 803: $env{'request.state'} eq "construct") {
1.280 albertel 804: $result.='</form>'.&Apache::loncommon::endbodytag().
805: &Apache::lonxml::xmlend();
1.159 albertel 806: }
1.204 albertel 807: if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };
1.159 albertel 808: return $result;
1.197 www 809: }
810:
811: sub start_definetag {
812: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
813:
814: my $result;
815:
816: my $name = $token->[2]->{'name'};
817: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser);
818: if ($name=~/^\//) {
819: $result=
820: '<br /><table bgcolor="#FFBBBB"><tr><th>END <tt>'.$name.'</tt></th></tr>';
821: } else {
822: $result=
823: '<br /><table bgcolor="#BBFFBB"><tr><th>BEGIN <tt>'.$name.'</tt></th></tr>';
824: }
825: $skip=~s/\</\<\;/gs;
826: $skip=~s/\>/\>\;/gs;
827: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
828: return $result;
829: }
830:
831: sub end_definetag {
832: return '';
1.1 albertel 833: }
834:
835: sub start_block {
1.201 albertel 836: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 837:
838: my $result;
1.1 albertel 839:
1.160 albertel 840: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.131 albertel 841: $target eq 'tex' || $target eq 'analyze') {
1.159 albertel 842: my $code = $token->[2]->{'condition'};
1.201 albertel 843: if (defined($code)) {
1.137 albertel 844: if (!$Apache::lonxml::default_homework_loaded) {
845: &Apache::lonxml::default_homework_load($safeeval);
846: }
1.131 albertel 847: $result = &Apache::run::run($code,$safeeval);
848: &Apache::lonxml::debug("block :$code: returned :$result:");
849: } else {
850: $result='1';
851: }
852: if ( ! $result ) {
1.201 albertel 853: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 854: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
855: }
856: $result='';
857: } elsif ($target eq 'edit') {
858: $result .=&Apache::edit::tag_start($target,$token);
859: $result .=&Apache::edit::text_arg('Test Condition:','condition',
860: $token,40);
861: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
862: } elsif ($target eq 'modified') {
863: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
864: $safeeval,'condition');
865: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 866: }
1.131 albertel 867: return $result;
1.1 albertel 868: }
869:
870: sub end_block {
1.167 www 871: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
872: my $result;
873: if ($target eq "edit") {
874: $result.= &Apache::edit::tag_end($target,$token,'');
875: }
876: return $result;
877: }
878:
879: sub start_languageblock {
1.201 albertel 880: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 881:
882: my $result;
883:
884: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
885: $target eq 'tex' || $target eq 'analyze') {
1.201 albertel 886: my $include = $token->[2]->{'include'};
887: my $exclude = $token->[2]->{'exclude'};
888: my %languages=&Apache::loncommon::display_languages();
889: $result='1';
890: if ($include) {
891: $result='';
892: foreach (split(/\,/,$include)) {
893: if ($languages{$_}) { $result='1'; }
894: }
895: }
896: if ($exclude) {
897: foreach (split(/\,/,$exclude)) {
898: if ($languages{$_}) { $result='0'; }
899: }
900: }
901: if ( ! $result ) {
902: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
903: $style);
904: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
905: }
906: $result='';
1.167 www 907: } elsif ($target eq 'edit') {
908: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 909: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 910: $token,40);
1.211 albertel 911: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 912: $token,40);
913: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
914: } elsif ($target eq 'modified') {
915: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 916: $safeeval,'include',
917: 'exclude');
1.167 www 918: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
919: }
920: return $result;
921: }
922:
923: sub end_languageblock {
1.170 www 924: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
925: my $result;
1.201 albertel 926: if ($target eq "edit") {
1.170 www 927: $result.= &Apache::edit::tag_end($target,$token,'');
928: }
929: return $result;
930: }
931:
932: sub start_instructorcomment {
1.201 albertel 933: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 934:
935: my $result;
936:
937: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
938: $target eq 'tex' || $target eq 'analyze') {
1.284 albertel 939: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
940: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 941: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
942: $parser,$style);
1.170 www 943: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
944: }
945: $result='';
946: } elsif ($target eq 'edit') {
947: $result .=&Apache::edit::tag_start($target,$token);
948: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
949: }
950: return $result;
951: }
952:
953: sub end_instructorcomment {
1.159 albertel 954: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 955: my $result;
956: if ($target eq "edit") {
957: $result.= &Apache::edit::tag_end($target,$token,'');
958: }
959: return $result;
1.4 tsai 960: }
961:
962: sub start_while {
1.159 albertel 963: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
964:
1.160 albertel 965: my $result;
1.161 albertel 966: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.160 albertel 967: $target eq 'tex' || $target eq 'analyze') {
968: my $code = $token->[2]->{'condition'};
1.4 tsai 969:
1.160 albertel 970: push( @Apache::structuretags::whileconds, $code);
971: if (!$Apache::lonxml::default_homework_loaded) {
972: &Apache::lonxml::default_homework_load($safeeval);
973: }
974: my $result = &Apache::run::run($code,$safeeval);
1.161 albertel 975: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser);
1.160 albertel 976: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 977: push( @Apache::structuretags::whileline, $token->[5]);
978: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 979: if ( $result ) {
980: &Apache::lonxml::newparser($parser,\$bodytext);
981: }
982: } elsif ($target eq 'edit') {
983: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 984: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 985: $token,40);
986: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
987: } elsif ($target eq 'modified') {
988: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
989: $safeeval,'condition');
990: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 991: }
1.160 albertel 992: return $result;
1.4 tsai 993: }
994:
995: sub end_while {
1.159 albertel 996: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 997: my $result;
998:
999: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1000: $target eq 'tex' || $target eq 'analyze') {
1001: my $code = pop(@Apache::structuretags::whileconds);
1002: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1003: my $line = pop(@Apache::structuretags::whileline);
1004: my $return = &Apache::run::run($code,$safeeval);
1005: my $starttime=time;
1006: my $error=0;
1007: while ($return) {
1008: if (time-$starttime >
1009: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.270 albertel 1010: #$return = 0; $error=1; next;
1.161 albertel 1011: }
1012: $result.=&Apache::scripttag::xmlparse($bodytext);
1013: $return = &Apache::run::run($code,$safeeval);
1014: }
1015: if ($error) {
1.270 albertel 1016: &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 1017: }
1018: } elsif ($target eq "edit") {
1019: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1020: }
1.160 albertel 1021: return $result;
1.1 albertel 1022: }
1.6 tsai 1023:
1.160 albertel 1024: # <randomlist show="1">
1.6 tsai 1025: # <tag1>..</tag1>
1026: # <tag2>..</tag2>
1027: # <tag3>..</tag3>
1.160 albertel 1028: # ...
1.6 tsai 1029: # </randomlist>
1030: sub start_randomlist {
1.159 albertel 1031: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1032: my $result;
1033: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1034: $target eq 'tex' || $target eq 'analyze') {
1035: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1036: my $b_parser= HTML::TokeParser->new(\$body);
1037: my $b_tok;
1038: my @randomlist;
1039: my $list_item;
1040: while($b_tok = $b_parser->get_token() ) {
1041: if($b_tok->[0] eq 'S') { # start tag
1042: # get content of the tag until matching end tag
1043: # get all text upto the matching tag
1044: # and push the content into @randomlist
1045: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1046: $b_parser);
1047: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1048: push(@randomlist,$list_item);
1049: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1050: # $list_item</b>";
1051: }
1052: if($b_tok->[0] eq 'T') { # text
1053: # what to do with text in between tags?
1054: # print "<b>TEXT $b_tok->[1]</b><br />";
1055: }
1056: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1057: # print "<b>END-TAG $b_tok->[1]</b><br />";
1058: # }
1059: }
1060: my @idx_arr = (0 .. $#randomlist);
1061: &Apache::structuretags::shuffle(\@idx_arr);
1062: my $bodytext = '';
1063: my $show=$#randomlist;
1064: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1065: $showarg--;
1066: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1067: for(0 .. $show) {
1068: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1069: }
1070: &Apache::lonxml::newparser($parser,\$bodytext);
1071: } elsif ($target eq 'edit' ) {
1072: $result .=&Apache::edit::tag_start($target,$token);
1073: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1074: $token,5);
1075: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1076: } elsif ($target eq 'modified' ) {
1077: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1078: $safeeval,'show');
1079: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1080: }
1081: return $result;
1.7 tsai 1082: }
1083:
1084: sub shuffle {
1085: my $a=shift;
1086: my $i;
1.70 albertel 1087: if (defined(@$a)) {
1.251 albertel 1088: &Apache::response::pushrandomnumber();
1.159 albertel 1089: for($i=@$a;--$i;) {
1090: my $j=int(&Math::Random::random_uniform() * ($i+1));
1091: next if $i == $j;
1092: @$a[$i,$j] = @$a[$j,$i];
1093: }
1.251 albertel 1094: &Apache::response::poprandomnumber();
1.7 tsai 1095: }
1.6 tsai 1096: }
1097:
1098: sub end_randomlist {
1.159 albertel 1099: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1100: my $result;
1101: if ($target eq 'edit' ) {
1102: $result=&Apache::edit::tag_end($target,$token,
1103: 'End Randomly Parsed Block');
1104: }
1105: return $result;
1.6 tsai 1106: }
1107:
1.283 albertel 1108: sub ordered_show_check {
1109: my $last_part=$Apache::inputtags::partlist[-2];
1110: my $in_order=
1111: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1112: my $in_order_show=1;
1113: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1114: $in_order_show=&Apache::response::check_status($last_part);
1115: }
1116: return $in_order_show;
1117: }
1118:
1.11 albertel 1119: sub start_part {
1.159 albertel 1120: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1121: my $result='';
1122: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
1123: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
1124: $Apache::inputtags::part=$id;
1.177 albertel 1125: push(@Apache::inputtags::partlist,$id);
1126: @Apache::inputtags::response=();
1.159 albertel 1127: @Apache::inputtags::previous=();
1128: @Apache::inputtags::previous_version=();
1.241 albertel 1129: $Apache::lonhomework::problemstatus=&get_problem_status($id);
1.159 albertel 1130: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1131: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1132: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1133: my $in_order_show=&ordered_show_check();
1.214 albertel 1134: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1135: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1136: &Apache::run::run($expression,$safeeval);
1.159 albertel 1137:
1138: if ($target eq 'meta') {
1.224 www 1139: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1140: return &Apache::response::mandatory_part_meta.
1141: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1142: } elsif ($target eq 'web' || $target eq 'grade' ||
1143: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1144: if ($hidden || !$in_order_show) {
1.159 albertel 1145: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
1146: } else {
1147: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1148: push (@Apache::inputtags::status,$status);
1149: my $expression='$external::datestatus="'.$status.'";';
1150: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1151: &Apache::run::run($expression,$safeeval);
1.284 albertel 1152: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1153: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1154: }
1.216 albertel 1155: if (( $status eq 'CLOSED' ) ||
1156: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1157: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1158: ( $status eq 'BANNED') ||
1159: ( $status eq 'UNAVAILABLE') ||
1160: ( $status eq 'INVALID_ACCESS')) {
1.159 albertel 1161: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
1162: if ( $target eq "web" ) {
1.211 albertel 1163: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1164: } elsif ( $target eq 'tex' ) {
1.284 albertel 1165: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1166: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1167: } else {
1.211 albertel 1168: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1169: }
1.159 albertel 1170: }
1171: } else {
1172: if ($target eq 'tex') {
1.284 albertel 1173: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1174: if ($$tagstack[-2] eq 'td') {
1175: $result.='\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1176: } else {
1177: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1178: }
1.195 sakharuk 1179: }
1.159 albertel 1180: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1181: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1182: my @allkeys = split /,/,$allkeys;
1183: my $allow_print_points = 0;
1184: foreach my $partial_key (@allkeys) {
1.230 albertel 1185: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1186: if ($1 ne '0') {$allow_print_points=1;}
1187: }
1188: }
1.275 albertel 1189: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1190: if (defined($maxtries) && $maxtries < 0) {
1191: $allow_print_points=0;
1192: }
1.222 sakharuk 1193: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1194: } elsif ($target eq 'web') {
1195: $result.='<a name="'.&Apache::lonnet::escape($Apache::inputtags::part).'" />';
1.159 albertel 1196: }
1197: }
1198: }
1199: } elsif ($target eq 'edit') {
1200: $result.=&Apache::edit::tag_start($target,$token);
1201: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1202: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1203: ' '.
1204: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1205: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1206: } elsif ($target eq 'modified') {
1207: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1208: $safeeval,'id','display');
1.159 albertel 1209: if ($constructtag) {
1.225 albertel 1210: #limiting ids to only letters numbers, and space
1.224 www 1211: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1212: $result = &Apache::edit::rebuild_tag($token);
1213: $result.=&Apache::edit::handle_insert();
1214: }
1215: }
1216: return $result;
1.11 albertel 1217: }
1218:
1219: sub end_part {
1.159 albertel 1220: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1221: &Apache::lonxml::debug("in end_part $target ");
1222: my $status=$Apache::inputtags::status['-1'];
1223: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1224: my $in_order_show=&ordered_show_check();
1.159 albertel 1225: my $result='';
1226: if ( $target eq 'meta' ) {
1227: $result='';
1.249 albertel 1228: } elsif ($target eq 'grade') {
1229: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1230: !$hidden && $in_order_show) {
1.249 albertel 1231: $result=&Apache::inputtags::grade;
1232: } else {
1233: # move any submission data to .hidden
1234: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1235: }
1.283 albertel 1236: } elsif (($target eq 'web' || $target eq 'tex') &&
1237: !$hidden && $in_order_show) {
1.159 albertel 1238: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1239: $target);
1.212 albertel 1240: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1241: $gradestatus='';
1242: }
1.159 albertel 1243: $result=$gradestatus;
1.265 sakharuk 1244: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1245: } elsif ($target eq 'edit') {
1246: $result=&Apache::edit::end_table();
1.159 albertel 1247: }
1248: pop @Apache::inputtags::status;
1249: $Apache::inputtags::part='';
1250: return $result;
1.11 albertel 1251: }
1.1 albertel 1252:
1.25 albertel 1253: sub start_preduedate {
1.159 albertel 1254: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1255: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.236 albertel 1256: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.159 albertel 1257: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1258: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1259: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.159 albertel 1260: &Apache::lonxml::get_all_text("/preduedate",$parser);
1261: }
1.24 albertel 1262: }
1.159 albertel 1263: return '';
1.24 albertel 1264: }
1265:
1.25 albertel 1266: sub end_preduedate {
1.159 albertel 1267: return '';
1.24 albertel 1268: }
1269:
1.25 albertel 1270: sub start_postanswerdate {
1.159 albertel 1271: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.234 albertel 1272: if ($target eq 'web' || $target eq 'grade') {
1.159 albertel 1273: if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
1274: &Apache::lonxml::get_all_text("/postanswerdate",$parser);
1275: }
1276: } elsif ($target eq 'tex') {
1.234 albertel 1277: &Apache::lonxml::get_all_text("/postanswerdate",$parser);
1.159 albertel 1278: }
1279: return '';
1.24 albertel 1280: }
1281:
1.25 albertel 1282: sub end_postanswerdate {
1.159 albertel 1283: return '';
1.24 albertel 1284: }
1285:
1.25 albertel 1286: sub start_notsolved {
1.159 albertel 1287: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1288: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1289: $target eq 'tex') {
1290: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1291: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1292: if ($gradestatus =~ /^correct/ &&
1293: &Apache::response::show_answer()) {
1.159 albertel 1294: &Apache::lonxml::debug("skipping");
1295: &Apache::lonxml::get_all_text("/notsolved",$parser);
1296: }
1.24 albertel 1297: }
1.159 albertel 1298: return '';
1.24 albertel 1299: }
1300:
1.25 albertel 1301: sub end_notsolved {
1.159 albertel 1302: return '';
1.24 albertel 1303: }
1304:
1305: sub start_solved {
1.159 albertel 1306: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1307: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1308: $target eq 'tex') {
1309: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1310: if ($gradestatus !~ /^correct/ ||
1311: !&Apache::response::show_answer()) {
1.159 albertel 1312: &Apache::lonxml::get_all_text("/solved",$parser);
1313: }
1.24 albertel 1314: }
1.159 albertel 1315: return '';
1.24 albertel 1316: }
1317:
1318: sub end_solved {
1.248 albertel 1319: return '';
1320: }
1321:
1322: sub start_problemtype {
1323: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1324: my $result;
1325: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1326: $target eq 'tex' || $target eq 'analyze') {
1327: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1328: if (!defined($mode)) { $mode='show'; }
1329: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1330: my $found=0;
1331: foreach my $type (split(',',$for)) {
1332: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1333: }
1334: if ($mode eq 'show' && !$found) {
1335: &Apache::lonxml::get_all_text("/problemtype",$parser);
1336: }
1337: if ($mode eq 'hide' && $found) {
1338: &Apache::lonxml::get_all_text("/problemtype",$parser);
1339: }
1340: } elsif ($target eq 'edit') {
1341: $result .=&Apache::edit::tag_start($target,$token);
1342: $result.=&Apache::edit::select_arg('Mode:','mode',
1343: [['show','Show'],
1344: ['hide','Hide']]
1345: ,$token);
1346: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1347: [ ['exam','Exam/Quiz Problem'],
1348: ['survey','Survey'],
1349: ['problem','Homework Problem'] ]
1350: ,$token);
1351: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1352: } elsif ($target eq 'modified') {
1353: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1354: $safeeval,'mode','for');
1355: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1356: }
1357: return $result;
1358: }
1359:
1360: sub end_problemtype {
1.159 albertel 1361: return '';
1.24 albertel 1362: }
1.34 albertel 1363:
1364: sub start_startouttext {
1.159 albertel 1365: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1366: my @result=(''.'');
1367: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1368: return (@result);
1.34 albertel 1369: }
1.159 albertel 1370:
1.34 albertel 1371: sub end_startouttext {
1.159 albertel 1372: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1373: my $result='';
1374: my $text='';
1375:
1376: if ($target eq 'edit') {
1377: $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1.211 albertel 1378: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1379: <td>".&mt('Delete:').
1.159 albertel 1380: &Apache::edit::deletelist($target,$token)
1381: ."</td>
1.42 albertel 1382: <td>".
1.159 albertel 1383: &Apache::edit::insertlist($target,$token).
1384: &Apache::edit::end_row().
1385: &Apache::edit::start_spanning_row()."\n"
1.188 bowersj2 1386: . &Apache::loncommon::helpLatexCheatsheet () .
1.255 www 1387: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 1388: }
1389: if ($target eq 'modified') {
1.219 albertel 1390: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1391: }
1392: if ($target eq 'tex') {
1393: $result .= '\noindent ';
1394: }
1395: return $result;
1.34 albertel 1396: }
1.159 albertel 1397:
1.34 albertel 1398: sub start_endouttext {
1.159 albertel 1399: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1400: my $result='';
1401: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1402: if ($target eq "modified") {
1403: $result='<endouttext />'.
1404: &Apache::edit::handle_insertafter('startouttext'); }
1405: return $result;
1.34 albertel 1406: }
1.159 albertel 1407:
1.34 albertel 1408: sub end_endouttext {
1.159 albertel 1409: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1410: my @result=('','');
1411: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1412: return (@result);
1.34 albertel 1413: }
1.159 albertel 1414:
1.45 albertel 1415: sub delete_startouttext {
1.159 albertel 1416: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1417: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1418: my $text=$$parser['-1']->get_text("/endouttext");
1419: my $ntoken=$$parser['-1']->get_token();
1420: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1421: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1422: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1423: # they did the last time round
1424: &Apache::lonxml::increasedepth($ntoken);
1425: &Apache::lonxml::decreasedepth($ntoken);
1426: return 1;
1.193 www 1427: }
1428:
1429: sub start_simpleeditbutton {
1430: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1431: my $result='';
1.284 albertel 1432: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 1433: ($target eq 'web') &&
1.284 albertel 1434: (&Apache::lonnet::allowed('srm',$env{'request.course.id'}))) {
1435: my $url=$env{'request.noversionuri'};
1.193 www 1436: $url=~s/\?.*$//;
1.278 albertel 1437: my ($symb) = &Apache::lonxml::whichuser();
1.194 www 1438: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.278 albertel 1439: '<a href="'.$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 1440: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1441: }
1442: return $result;
1443: }
1444:
1445: sub end_simpleeditbutton {
1446: return '';
1.45 albertel 1447: }
1.34 albertel 1448:
1.1 albertel 1449: 1;
1450: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to structuretags.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework