Annotation of loncom/homework/structuretags.pm, revision 1.296
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.296 ! albertel 4: # $Id: structuretags.pm,v 1.295 2005/06/28 19:17:36 albertel Exp $
1.74 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.254 www 28: ###
1.54 www 29:
1.133 sakharuk 30:
1.1 albertel 31: package Apache::structuretags;
32:
33: use strict;
34: use Apache::lonnet;
1.101 sakharuk 35: use Apache::File();
1.147 www 36: use Apache::lonmenu;
1.210 albertel 37: use Apache::lonlocal;
1.231 sakharuk 38: use Apache::lonxml;
1.267 albertel 39: use Time::HiRes qw( gettimeofday tv_interval );
1.78 harris41 40: BEGIN {
1.248 albertel 41: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));
1.10 albertel 42: }
43:
44: sub start_web {
1.159 albertel 45: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.200 albertel 46: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);
47: if ($target eq 'web') {
48: return $bodytext;
1.159 albertel 49: }
50: return '';
1.10 albertel 51: }
52:
53: sub end_web {
1.44 ng 54: return '';
1.10 albertel 55: }
56:
57: sub start_tex {
1.159 albertel 58: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.198 sakharuk 59: my $result='';
1.200 albertel 60: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);
61: if ($target eq 'tex') {
62: return $bodytext.' ';
1.159 albertel 63: }
1.198 sakharuk 64: return $result;;
1.10 albertel 65: }
66:
67: sub end_tex {
1.44 ng 68: return '';
1.9 albertel 69: }
70:
1.290 albertel 71: sub body_tag_start {
72: my ($target,$background,$bgcolor)=@_;
73: my $body_tag_start='<body onload="'.&Apache::lonmenu::loadevents().'" '.
74: 'onunload="'.&Apache::lonmenu::unloadevents().'" ';
75: if ($env{'browser.imagesuppress'} eq 'on') { $background=''; }
76: if ($background) {
77: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
78: $background;
79: $body_tag_start.='background="'.$background.'" ';
80: } else {
81: if (($bgcolor) && ($env{'browser.blackwhite'} ne 'on')) {
82: $body_tag_start.='bgcolor="'.$bgcolor.'" ';
83: } else {
84: $body_tag_start.='bgcolor="#ffffff"';
85: }
86: }
87: if ($env{'browser.fontenhance'} eq 'on') {
88: $body_tag_start.=' style="font-size: x-large;" ';
89: }
90: $body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);
91: if ($env{'environment.texengine'} eq 'jsMath') {
92: $body_tag_start.='<script type="text/javascript">
93: function NoFontMessage () {}
94: </script>'."\n".
95: '<script src="/adm/jsMath/jsMath.js"></script>'."\n";
96: }
97: return $body_tag_start;
98: }
1.291 albertel 99:
1.48 albertel 100: sub page_start {
1.159 albertel 101: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
102: my %found;
1.207 albertel 103: foreach my $taginside (@$tagstack) {
1.159 albertel 104: foreach my $taglookedfor ('html','body','form') {
105: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
106: }
107: }
108:
109: my $result;
110: my $head_tag_start;
111: if (!defined($found{'html'})) {
112: $result=&Apache::londefdef::start_html($target,$token,$tagstack,
113: $parstack,$parser,$safeeval);
1.254 www 114: $head_tag_start='<head>'.&Apache::lonmenu::registerurl(undef,$target).
1.261 www 115: &Apache::lonhtmlcommon::htmlareaheaders().
1.270 albertel 116: &Apache::lonhtmlcommon::spellheader().
117: &Apache::lonxml::fontsettings();
1.159 albertel 118: }
119: my $body_tag_start;
1.284 albertel 120: if (!defined($found{'body'}) && $env{'request.state'} eq 'construct'
121: && $env{'environment.remote'} eq 'off') {
1.272 albertel 122: $body_tag_start=&Apache::loncommon::bodytag();
1.274 albertel 123: $body_tag_start.=&Apache::lonxml::message_location();
1.272 albertel 124: } elsif (!defined($found{'body'})) {
1.159 albertel 125: my $background=&Apache::lonxml::get_param('background',$parstack,
126: $safeeval);
1.290 albertel 127: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
128: $safeeval);
129: $body_tag_start=&body_tag_start($background,$bgcolor);
1.291 albertel 130: if ( ($target eq 'web' || $target eq 'webgrade')
131: && $env{'request.state'} ne 'construct') {
1.165 albertel 132: my ($symb,undef,undef,undef,$publicuser)=
133: &Apache::lonxml::whichuser();
134: if ($symb eq '' && !$publicuser) {
1.159 albertel 135: my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
1.211 albertel 136: $help=&mt("Browsing resource, all submissions are temporary.")."<br />";
1.159 albertel 137: $body_tag_start.=$help;
138: }
139: }
1.245 albertel 140: $body_tag_start.=&Apache::lonxml::message_location();
1.159 albertel 141: }
142: my $form_tag_start;
143: if (!defined($found{'form'})) {
1.281 albertel 144: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="POST" action="';
1.284 albertel 145: my $uri=$env{'request.uri'};
146: if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
1.271 albertel 147: $form_tag_start.=$uri.'">';
1.159 albertel 148: }
149: return ($result,$head_tag_start,$body_tag_start,$form_tag_start);
1.105 albertel 150: }
151:
1.141 matthew 152: #use Time::HiRes();
1.105 albertel 153: sub get_resource_name {
1.159 albertel 154: my ($parstack,$safeeval)=@_;
1.204 albertel 155: if (defined($Apache::lonhomework::name)) {
156: return $Apache::lonhomework::name;
157: }
1.279 albertel 158: my ($symb)=&Apache::lonxml::whichuser();
159: my $name=&Apache::lonnet::gettitle($symb);
1.159 albertel 160: if ($name eq '') {
161: $name=&Apache::lonnet::EXT('resource.title');
162: if ($name eq 'con_lost') { $name = ''; }
163: }
1.204 albertel 164: if ($name!~/\S+/) {
1.284 albertel 165: $name=$env{'request.uri'};
1.205 albertel 166: $name=~s-.*/([^/]+)$-$1-;
1.204 albertel 167: }
1.159 albertel 168: $Apache::lonhomework::name=$name;
169: return $name;
1.105 albertel 170: }
171:
172: sub setup_rndseed {
1.159 albertel 173: my ($safeeval)=@_;
174: my $rndseed;
1.162 albertel 175: my ($symb)=&Apache::lonxml::whichuser();
1.284 albertel 176: if ($env{'request.state'} eq "construct" || $symb eq '' ||
1.247 albertel 177: $Apache::lonhomework::history{'resource.CODE'}) {
1.284 albertel 178: $rndseed=$env{'form.rndseed'};
1.159 albertel 179: if (!$rndseed) {
1.162 albertel 180: $rndseed=$Apache::lonhomework::history{'rndseed'};
181: if (!$rndseed) {
182: $rndseed=time;
183: }
1.284 albertel 184: $env{'form.rndseed'}=$rndseed;
1.162 albertel 185: }
1.284 albertel 186: if ($env{'form.resetdata'} eq &mt('New Problem Variation') ||
187: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 188: srand(time);
189: $rndseed=int(rand(2100000000));
1.284 albertel 190: $env{'form.rndseed'}=$rndseed;
191: delete($env{'form.resetdata'});
192: delete($env{'form.newrandomization'});
1.159 albertel 193: }
1.187 albertel 194: if (defined($rndseed) && $rndseed ne int($rndseed)) {
195: $rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));
196: }
1.247 albertel 197: if ($Apache::lonhomework::history{'resource.CODE'}) {
198: $rndseed=&Apache::lonnet::rndseed();
199: }
1.221 albertel 200: if ($safeeval) {
201: &Apache::lonxml::debug("Setting rndseed to $rndseed");
1.250 albertel 202: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.221 albertel 203: }
1.159 albertel 204: }
205: return $rndseed;
1.105 albertel 206: }
207:
1.268 albertel 208: sub remember_problem_state {
209: return '
1.284 albertel 210: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
211: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
212: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 213: }
214:
1.105 albertel 215: sub problem_edit_header {
1.268 albertel 216: return '<input type="hidden" name="submitted" value="edit" />'.
217: &Apache::structuretags::remember_problem_state().'
1.210 albertel 218: <input type="hidden" name="problemmode" value="'.&mt('Edit').'" />
1.243 matthew 219: <input type="submit" name="problemmode" accesskey="d" value="'.&mt('Discard Edits and View').'" />
220: <input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
221: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" /> <hr />
222: <input type="submit" name="submit" accesskey="s" value="'.&mt('Submit Changes and Edit').'" />
223: <input type="submit" name="submit" accesskey="v" value="'.&mt('Submit Changes and View').'" /><table><tr><td>'.
1.260 albertel 224: &Apache::loncommon::help_open_menu('','Problem Editing Help','Problem_Editor_XML_Index','',5,'Authoring',undef,undef,undef,'Problem Editing Help')
225: .'</td></tr></table>'.
1.282 albertel 226: '<table border="0" width="100%"><tr><td bgcolor="#DDDDDD">';
1.105 albertel 227: }
228:
229: sub problem_edit_footer {
1.210 albertel 230: return '</td></tr></table><br /><input type="submit" name="submit" value="'.&mt('Submit Changes and Edit').'" />
1.255 www 231: <input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />'.
232: &Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields).
1.280 albertel 233: "\n</form>\n".&Apache::loncommon::endbodytag()."\n</html>";
1.105 albertel 234: }
235:
1.235 albertel 236: sub option {
237: my ($value,$name) = @_;
238: my $result ="<option value='".$value."' ";
1.284 albertel 239: if ($env{'form.'.$name} eq $value) {
1.235 albertel 240: $result.=" selected='on' ";
241: }
242: $result.='>';
243: return $result;
244: }
245:
1.105 albertel 246: sub problem_web_to_edit_header {
1.159 albertel 247: my ($rndseed)=@_;
1.210 albertel 248: my $result.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />
1.243 matthew 249: <input type="submit" name="problemmode" accesskey="e" value="'.&mt('Edit').'" />
250: <input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
251: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
252: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
1.210 albertel 253: <nobr><input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.270 albertel 254: <input type="text" name="rndseed" size="10" value="'.
1.175 albertel 255: $rndseed.'"
1.270 albertel 256: onchange="javascript:document.lonhomework.changerandseed.click()" /></nobr>
1.281 albertel 257: <label><input type="checkbox" name="showallfoils" ';
1.284 albertel 258: if (defined($env{'form.showallfoils'})) { $result.='checked="on"'; }
1.228 www 259: $result.= ' />'.&mt(' Show All Foils').
260: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').
1.281 albertel 261: '</label><hr />';
1.235 albertel 262: $result.="
263: <nobr>
264: Problem Status:
265: <select name='problemstate'>
1.270 albertel 266: <option value=''></option>
1.235 albertel 267: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
268: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
269: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
270: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
271: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
272: </select>
273: </nobr>
274: <nobr>
275: Problem Type:
276: <select name='problemtype'>
1.270 albertel 277: <option value=''></option>
1.242 albertel 278: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
279: ".&option('problem','problemtype').&mt("Homework problem")."</option>
280: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.235 albertel 281: </select>
282: </nobr>
283: <nobr>
284: Feedback Mode:
285: <select name='problemstatus'>
286: <option value=''></option>
1.242 albertel 287: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
288: ".&option('no', 'problemstatus').&mt("Don't Show Feedback")."</option>
1.235 albertel 289: </select>
290: </nobr>
1.242 albertel 291: <input type='submit' name='changeproblemmode' value='".&mt("Change")."' />
1.235 albertel 292: <hr />";
1.284 albertel 293: my $numtoanalyze=$env{'form.numtoanalyze'};
1.176 albertel 294: if (!$numtoanalyze) { $numtoanalyze=20; }
1.210 albertel 295: $result.= '<input type="submit" name="problemmode" value='.
296: &mt('"Calculate answers').'" /> for
1.136 albertel 297: <input type="text" name="numtoanalyze" value="'.
1.210 albertel 298: $numtoanalyze.'" size="5" /> '.&mt('versions of this problem').
299: '.'.&Apache::loncommon::help_open_topic("Analyze_Problem",
1.176 albertel 300: '',undef,undef,300).
1.210 albertel 301: '<hr />';
1.159 albertel 302: return $result;
1.48 albertel 303: }
304:
1.65 albertel 305: sub initialize_storage {
1.159 albertel 306: %Apache::lonhomework::results=();
1.162 albertel 307: %Apache::lonhomework::history=();
1.159 albertel 308: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.284 albertel 309: if ($env{'request.state'} eq 'construct' || $symb eq '') {
1.159 albertel 310: %Apache::lonhomework::history=
1.284 albertel 311: &Apache::lonnet::tmprestore($env{'request.uri'},'',$domain,$name);
1.159 albertel 312: my ($temp)=keys %Apache::lonhomework::history ;
313: &Apache::lonxml::debug("Return message of $temp");
314: } else {
315: %Apache::lonhomework::history=
316: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
317: }
318: #ignore error conditions
1.67 albertel 319: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 320: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 321: }
322:
323: # -------------------------------------------------------------finalize_storage
324: # Stores away the result has to a student's environment
325: # checks form.grade_ for specific values, other wises stores
326: # to the running users environment
1.285 raeburn 327: # Will increment totals for attempts, students, and corrects
328: # if running user has student role.
1.65 albertel 329: sub finalize_storage {
1.159 albertel 330: my $result;
1.289 albertel 331: if (%Apache::lonhomework::results) {
1.159 albertel 332: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.284 albertel 333: if ($env{'request.state'} eq 'construct' || $symb eq '') {
334: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 335: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.284 albertel 336: $env{'request.uri'},'',$domain,$name);
1.159 albertel 337: &Apache::lonxml::debug('Construct Store return message:'.$result);
338: } else {
339: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
340: $symb,$courseid,$domain,$name);
341: &Apache::lonxml::debug('Store return message:'.$result);
1.285 raeburn 342: if ($env{'request.role'} =~/^st/) {
343: &store_aggregates($symb,$courseid);
344: }
1.159 albertel 345: }
1.67 albertel 346: }
1.159 albertel 347: return $result;
1.65 albertel 348: }
1.289 albertel 349: use Data::Dumper;
1.65 albertel 350:
1.285 raeburn 351: # -------------------------------------------------------------store_aggregates
352: # Sends hash of values to be incremented in nohist_resourcetracker.db
353: # for the course. Increments total number of attempts, unique students
354: # and corrects for each part for an instance of a problem, as appropriate.
355: sub store_aggregates {
356: my ($symb,$courseid) = @_;
1.286 albertel 357: my %aggregate;
358: my @parts;
1.288 albertel 359: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
360: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 361: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 362: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 363: push(@parts, $1);
1.285 raeburn 364: }
365: }
1.286 albertel 366: foreach my $part (@parts) {
367: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
368: eq 'APPROX_ANS' ||
369: $Apache::lonhomework::results{'resource.'.$part.'.award'}
370: eq 'EXACT_ANS') {
1.287 albertel 371: $aggregate{$symb."\0".$part."\0correct"} = 1;
1.285 raeburn 372: }
1.286 albertel 373: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1.287 albertel 374: $aggregate{$symb."\0".$part."\0users"} = 1;
1.292 raeburn 375: } else {
1.293 albertel 376: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1.292 raeburn 377: if ($last_reset) {
1.293 albertel 378: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1.292 raeburn 379: $aggregate{$symb."\0".$part."\0users"} = 1;
380: }
381: }
1.285 raeburn 382: }
1.287 albertel 383: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 384: }
1.292 raeburn 385: if (keys (%aggregate) > 0) {
1.289 albertel 386: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 387: $cdomain,$cname);
388: }
389: }
1.289 albertel 390:
1.65 albertel 391: sub checkout_msg {
1.211 albertel 392: my %lt=&Apache::lonlocal::texthash(
393: 'resource'=>'The resource needs to be checked out',
394: '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.',
395: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
396: 'checkout'=>'Check out Exam for Viewing',
397: 'checkout?'=>'Check out Exam?');
1.159 albertel 398: return (<<ENDCHECKOUT);
1.211 albertel 399: <h2>$lt{'resource'}</h2>
400: <p>$lt{'id_expln'}</p>
401: <font color="red">
402: <p>$lt{'warning'}</p>
1.91 albertel 403: </font>
1.284 albertel 404: <form name="checkout" method="POST" action="$env{'request.uri'}">
1.91 albertel 405: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 406: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 407: </form>
408: ENDCHECKOUT
409: }
410:
1.252 albertel 411: sub firstaccess_msg {
1.253 albertel 412: my ($time,$symb)=@_;
413: my ($map)=&Apache::lonnet::decode_symb($symb);
414: my $foldertitle=&Apache::lonnet::gettitle($map);
415: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.252 albertel 416: return (<<ENDCHECKOUT);
1.253 albertel 417: <h2>The resources in "$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 418: <form name="markaccess" method="POST" action="$env{'request.uri'}">
1.252 albertel 419: <input type="hidden" name="markaccess" value="yes" />
420: <input type="button" name="accessbutton" value="Show Resource" onClick="javascript:if (confirm('Start Timer?')) { document.markaccess.submit(); }" />
421: </form>
422: ENDCHECKOUT
423: }
424:
1.204 albertel 425: sub init_problem_globals {
426: my ($type)=@_;
427: #initialize globals
428: if ($type eq 'problem') {
429: $Apache::inputtags::part='0';
430: @Apache::inputtags::partlist=('0');
1.266 albertel 431: $Apache::lonhomework::problemstatus=&get_problem_status('0');
432: $Apache::lonhomework::ignore_response_errors=0;
433: } elsif ($type eq 'library') {
1.204 albertel 434: $Apache::inputtags::part='';
435: @Apache::inputtags::partlist=();
436: $Apache::lonhomework::problemstatus='';
1.266 albertel 437: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 438: }
439: @Apache::inputtags::responselist = ();
440: @Apache::inputtags::importlist = ();
441: @Apache::inputtags::previous=();
442: @Apache::inputtags::previous_version=();
443: $Apache::structuretags::printanswer='No';
444: @Apache::structuretags::whileconds=();
445: @Apache::structuretags::whilebody=();
446: @Apache::structuretags::whileline=();
447: $Apache::lonhomework::scantronmode=0;
448: undef($Apache::lonhomework::name);
449:
450: }
451:
452: sub reset_problem_globals {
453: my ($type)=@_;
454: undef(%Apache::lonhomework::history);
455: undef(%Apache::lonhomework::results);
456: undef($Apache::inputtags::part);
1.208 albertel 457: #don't undef this, lonhomework.pm takes care of this, we use this to
458: #detect if we try to do 2 problems in one file
459: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 460: undef($Apache::lonhomework::name);
461: }
462:
1.241 albertel 463: sub set_problem_state {
1.240 albertel 464: my ($part)=@_;
1.284 albertel 465: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 466: $Apache::lonhomework::history{"resource.$part.solved"}=
467: 'correct_by_student';
468: }
469: }
470:
1.241 albertel 471: sub get_problem_status {
472: my ($part)=@_;
1.267 albertel 473: my $problem_status;
1.284 albertel 474: if ($env{'request.state'} eq 'construct' &&
475: defined($env{'form.problemstatus'})) {
476: $problem_status=$env{'form.problemstatus'};
1.267 albertel 477: } else {
478: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
479: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 480: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 481: }
482: return $problem_status;
483: }
484:
1.9 albertel 485: sub start_problem {
1.159 albertel 486: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19 albertel 487:
1.184 albertel 488: if ( $Apache::inputtags::part ne '' ||
489: $Apache::lonhomework::parsing_a_problem) {
490: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
491: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
1.159 albertel 492: return '';
493: }
1.184 albertel 494:
495: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 496: &init_problem_globals('problem');
1.166 albertel 497:
1.284 albertel 498: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 499: $Apache::lonhomework::scantronmode=1;
500: }
1.161 albertel 501:
1.246 albertel 502: &initialize_storage();
1.159 albertel 503: if ($target ne 'analyze') {
504: if ($target eq 'web') {
505: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.238 albertel 506: }
1.284 albertel 507: if ($env{'request.state'} eq 'construct') { &set_problem_state('0'); }
1.159 albertel 508: $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
1.284 albertel 509: if (($env{'request.state'} eq 'construct') &&
510: defined($env{'form.problemtype'})) {
511: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 512: }
1.295 albertel 513: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.240 albertel 514: &Apache::lonxml::debug("Found this to be of type :$Apache::ltonhomework::type:");
1.159 albertel 515: }
1.164 albertel 516: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 517: my $uri=$env{'request.uri'};
1.159 albertel 518: if ($uri=~/\.(\w+)$/) {
519: $Apache::lonhomework::type=$1;
520: &Apache::lonxml::debug("Using type of $1");
521: } else {
522: $Apache::lonhomework::type='problem';
523: &Apache::lonxml::debug("Using default type, problem, :$uri:");
524: }
1.87 albertel 525: }
1.58 www 526:
1.159 albertel 527: #added vars to the scripting enviroment
1.213 albertel 528: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 529: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 530: &Apache::run::run($expression,$safeeval);
1.159 albertel 531: my $status;
532: my $accessmsg;
533:
534: #should get back a <html> or the neccesary stuff to start XML/MathML
535: my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
536: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
1.284 albertel 537: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 538:
539: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
540: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
541: $target eq 'tex') {
542: #handle exam checkout
543: if ($Apache::lonhomework::type eq 'exam') {
544: my $token=
545: $Apache::lonhomework::history{"resource.0.outtoken"};
1.284 albertel 546: if (($env{'form.doescheckout'}) && (!$token)) {
1.159 albertel 547: $token=&Apache::lonxml::maketoken();
548: $Apache::lonhomework::history{"resource.0.outtoken"}=
549: $token;
550: }
551: $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 552: }
1.284 albertel 553: if ($env{'form.markaccess'}) {
1.252 albertel 554: &Apache::lonnet::set_first_access('map');
555: }
1.159 albertel 556: #handle rand seed in construction space
557: my $rndseed=&setup_rndseed($safeeval);
1.162 albertel 558: my ($symb)=&Apache::lonxml::whichuser();
1.284 albertel 559: if ($env{'request.state'} ne "construct" && $symb eq '') {
1.162 albertel 560: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
561: $rndseed.'" />'.
562: '<input type="submit" name="resetdata"
1.211 albertel 563: value="'.&mt('New Problem Variation').'" />'.
1.164 albertel 564: '<input type="hidden" name="username"
1.284 albertel 565: value="'.$env{'form.username'}.'" />';
566: if ($env{'user.adv'}) {
1.267 albertel 567: $form_tag_start.=
568: ' <input type="checkbox" name="showallfoils" ';
1.284 albertel 569: if (defined($env{'form.showallfoils'})) {
1.267 albertel 570: $form_tag_start.='checked="on"';
571: }
572: $form_tag_start.= ' />'.&mt(' Show All Foils');
573: }
574: $form_tag_start.='<hr />';
1.162 albertel 575: }
1.159 albertel 576: ($status,$accessmsg) = &Apache::lonhomework::check_access('0');
577: push (@Apache::inputtags::status,$status);
578: my $expression='$external::datestatus="'.$status.'";';
579: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
580: &Apache::run::run($expression,$safeeval);
581: &Apache::lonxml::debug("Got $status");
582: if (( $status eq 'CLOSED' ) ||
583: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 584: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 585: ( $status eq 'BANNED') ||
1.216 albertel 586: ( $status eq 'UNAVAILABLE') ||
587: ( $status eq 'INVALID_ACCESS')) {
1.159 albertel 588: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
589: if ( $target eq "web" ) {
590: $result.= $head_tag_start.'</head>';
591: my $msg=$body_tag_start;
592: if ($status eq 'UNAVAILABLE') {
1.245 albertel 593: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.253 albertel 594: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 595: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 596: }
1.216 albertel 597: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.159 albertel 598: $msg.='The problem '.$accessmsg;
599: } elsif ($status eq 'UNCHECKEDOUT') {
600: $msg.=&checkout_msg;
1.252 albertel 601: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 602: $msg.=&firstaccess_msg($accessmsg,$symb);
1.159 albertel 603: }
604: $result.=$msg.'<br />';
605: } elsif ($target eq 'tex') {
606: $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
607: if ($status eq 'UNAVAILABLE') {
1.211 albertel 608: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 609: } else {
1.211 albertel 610: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 611: }
612: }
613: } elsif ($target eq 'web') {
614: my $name= &get_resource_name($parstack,$safeeval);
1.227 albertel 615: $result.="$head_tag_start<title>$name</title></head>
1.158 sakharuk 616: $body_tag_start \n $form_tag_start".
1.227 albertel 617: '<input type="hidden" name="submitted" value="yes" />';
618: # create a page header and exit
1.284 albertel 619: if ($env{'request.state'} eq "construct") {
620: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.227 albertel 621: }
622: # if we are viewing someone else preserve that info
1.284 albertel 623: if (defined $env{'form.grade_symb'}) {
1.227 albertel 624: foreach my $field ('symb','courseid','domain','username') {
625: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 626: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 627: }
628: }
629: } elsif ($target eq 'tex') {
1.192 sakharuk 630: my $startminipage = '';
1.284 albertel 631: if (not $env{'form.problem_split'}=~/yes/) {
1.192 sakharuk 632: $startminipage = '\begin{minipage}{\textwidth}';
1.178 sakharuk 633: }
1.159 albertel 634: my $id = $Apache::inputtags::part;
635: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 636: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.223 sakharuk 637: my @packages = split /,/,$packages;
638: my $allow_print_points = 0;
639: foreach my $partial_key (@packages) {
1.230 albertel 640: if ($partial_key=~m/^part_0$/) {
1.223 sakharuk 641: $allow_print_points=1;
1.159 albertel 642: }
643: }
1.276 albertel 644: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
645: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1.159 albertel 646: my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");
647: $duedate = POSIX::strftime("%c",localtime($duedate));
648: my $temp_file;
1.284 albertel 649: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.159 albertel 650: if (-e $filename) {
651: $temp_file = Apache::File->new($filename);
652: } else {
653: $temp_file = Apache::File->new('>>'.$filename);
654: }
655: my @due_file_content = <$temp_file>;
656: my $due_file_content = $due_file_content[$#due_file_content];
657: chomp $due_file_content;
1.257 sakharuk 658: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.159 albertel 659: if ($due_file_content ne $duedate) {
660: $temp_file = Apache::File->new('>'.$filename);
661: print $temp_file "$duedate\n";
1.284 albertel 662: if (not $env{'request.symb'} =~ m/\.page_/) {
1.159 albertel 663: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1.284 albertel 664: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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 665: } else {
1.284 albertel 666: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
1.159 albertel 667: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
668: }
1.104 sakharuk 669: } else {
1.159 albertel 670: $result .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\';
1.104 sakharuk 671: }
1.101 sakharuk 672: } else {
1.284 albertel 673: if (not $env{'request.symb'} =~ m/\.page_/) {
674: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
1.159 albertel 675: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
676: } else {
677: $result .= '\vskip 1mm \\\\\\\\';
678: }
679: }
1.99 sakharuk 680: }
1.159 albertel 681: } elsif ($target eq 'edit') {
682: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
683: &problem_edit_header();
1.226 albertel 684: $Apache::lonxml::warnings_error_header=
685: &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 686: my $temp=&Apache::edit::insertlist($target,$token);
687: $result.=$temp;
688: } elsif ($target eq 'modified') {
689: $result=$token->[4];
690: $result.=&Apache::edit::handle_insert();
691: } else {
692: # page_start returned a starting result, delete it if we don't need it
693: $result = '';
1.99 sakharuk 694: }
1.159 albertel 695: return $result;
1.9 albertel 696: }
697:
698: sub end_problem {
1.159 albertel 699: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
700: my $result='';
701: my $status=$Apache::inputtags::status['-1'];
702: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
703: $target eq 'tex') {
1.249 albertel 704: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 705: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 706: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
707: &Apache::inputtags::grade;
708: } else {
709: # move any submission data to .hidden
710: &Apache::inputtags::hidealldata($Apache::inputtags::part);
711: }
1.159 albertel 712: } elsif ( ($target eq 'web' || $target eq 'tex') &&
713: $Apache::inputtags::part eq '0' &&
1.252 albertel 714: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 715: # if part is zero, no <part>s existed, so we need show the current
716: # grading status
717: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
718: $result.= $gradestatus;
719: }
720: if (
1.284 albertel 721: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 722: ($target eq 'answer') || ($target eq 'tex')
723: ) {
1.227 albertel 724: if ($target ne 'tex' &&
1.284 albertel 725: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 726: $result.="</form>";
727: $result.=&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields);
1.159 albertel 728: }
729: if ($target eq 'web') {
1.281 albertel 730: $result.=&Apache::lonxml::xmlend().'</html>';
1.159 albertel 731: } elsif ($target eq 'tex') {
1.178 sakharuk 732: my $endminipage = '';
1.284 albertel 733: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 734: $endminipage = '\end{minipage}';
735: }
1.284 albertel 736: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 737: $result.=&Apache::lonxml::xmlend($target,$parser);
1.257 sakharuk 738: $result=~s/<\/html>//;
1.159 albertel 739: } else {
1.262 sakharuk 740: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 741: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 742: $result .= $endminipage.'\end{document} ';
743: } else {
744: $result .= '';
745: }
1.159 albertel 746: }
747: }
748: }
749: if ($target eq 'grade') {
750: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
751: &finalize_storage();
752: }
1.284 albertel 753: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
754: && $env{'form.answer_output_mode'} ne 'tex') {
1.294 albertel 755: $result.=&Apache::lonxml::xmlend().'</html>';
756: # normally we get it from above, but in CSTR
1.172 albertel 757: # we always show answer mode too.
1.159 albertel 758: }
759: } elsif ($target eq 'meta') {
760: if ($Apache::inputtags::part eq '0') {
1.179 albertel 761: @Apache::inputtags::response=();
1.159 albertel 762: $result=&Apache::response::mandatory_part_meta;
763: }
1.215 albertel 764: $result.=&Apache::response::meta_part_order();
1.258 albertel 765: $result.=&Apache::response::meta_response_order();
1.159 albertel 766: } elsif ($target eq 'edit') {
767: &Apache::lonxml::debug("in end_problem with $target, edit");
768: $result = &problem_edit_footer();
769: }
1.155 albertel 770:
1.284 albertel 771: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 772: &Apache::inputtags::check_for_duplicate_ids();
773: }
1.204 albertel 774:
775: &reset_problem_globals('problem');
1.159 albertel 776:
777: return $result;
1.48 albertel 778: }
779:
1.108 albertel 780:
1.48 albertel 781: sub start_library {
1.159 albertel 782: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
783: my ($result,$head_tag_start,$body_tag_start,$form_tag_start);
1.244 albertel 784: if ($$tagstack[0] eq 'library') {
785: &init_problem_globals('library');
786: $Apache::lonhomework::type='problem';
787: }
1.159 albertel 788: if ($target eq 'edit') {
789: ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
790: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
791: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
792: &problem_edit_header();
793: my $temp=&Apache::edit::insertlist($target,$token);
794: $result.=$temp;
795: } elsif ($target eq 'modified') {
796: $result=$token->[4];
797: $result.=&Apache::edit::handle_insert();
798: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
1.284 albertel 799: $env{'request.state'} eq "construct" ) {
1.159 albertel 800: ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
801: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
802: my $name=&get_resource_name($parstack,$safeeval);
803: my $rndseed=&setup_rndseed($safeeval);
804: $result.="$head_tag_start<title>$name</title></head>
1.105 albertel 805: $body_tag_start \n $form_tag_start".
1.159 albertel 806: '<input type="hidden" name="submitted" value="yes" />';
807: $result.=&problem_web_to_edit_header($rndseed);
808: }
809: return $result;
1.48 albertel 810: }
811:
812: sub end_library {
1.159 albertel 813: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
814: my $result='';
815: if ($target eq 'edit') {
816: $result=&problem_edit_footer();
817: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
1.284 albertel 818: $env{'request.state'} eq "construct") {
1.280 albertel 819: $result.='</form>'.&Apache::loncommon::endbodytag().
820: &Apache::lonxml::xmlend();
1.159 albertel 821: }
1.204 albertel 822: if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };
1.159 albertel 823: return $result;
1.197 www 824: }
825:
826: sub start_definetag {
827: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
828:
829: my $result;
830:
831: my $name = $token->[2]->{'name'};
832: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser);
833: if ($name=~/^\//) {
834: $result=
835: '<br /><table bgcolor="#FFBBBB"><tr><th>END <tt>'.$name.'</tt></th></tr>';
836: } else {
837: $result=
838: '<br /><table bgcolor="#BBFFBB"><tr><th>BEGIN <tt>'.$name.'</tt></th></tr>';
839: }
840: $skip=~s/\</\<\;/gs;
841: $skip=~s/\>/\>\;/gs;
842: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
843: return $result;
844: }
845:
846: sub end_definetag {
847: return '';
1.1 albertel 848: }
849:
850: sub start_block {
1.201 albertel 851: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 852:
853: my $result;
1.1 albertel 854:
1.160 albertel 855: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.131 albertel 856: $target eq 'tex' || $target eq 'analyze') {
1.159 albertel 857: my $code = $token->[2]->{'condition'};
1.201 albertel 858: if (defined($code)) {
1.137 albertel 859: if (!$Apache::lonxml::default_homework_loaded) {
860: &Apache::lonxml::default_homework_load($safeeval);
861: }
1.131 albertel 862: $result = &Apache::run::run($code,$safeeval);
863: &Apache::lonxml::debug("block :$code: returned :$result:");
864: } else {
865: $result='1';
866: }
867: if ( ! $result ) {
1.201 albertel 868: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 869: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
870: }
871: $result='';
872: } elsif ($target eq 'edit') {
873: $result .=&Apache::edit::tag_start($target,$token);
874: $result .=&Apache::edit::text_arg('Test Condition:','condition',
875: $token,40);
876: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
877: } elsif ($target eq 'modified') {
878: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
879: $safeeval,'condition');
880: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 881: }
1.131 albertel 882: return $result;
1.1 albertel 883: }
884:
885: sub end_block {
1.167 www 886: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
887: my $result;
888: if ($target eq "edit") {
889: $result.= &Apache::edit::tag_end($target,$token,'');
890: }
891: return $result;
892: }
893:
894: sub start_languageblock {
1.201 albertel 895: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 896:
897: my $result;
898:
899: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
900: $target eq 'tex' || $target eq 'analyze') {
1.201 albertel 901: my $include = $token->[2]->{'include'};
902: my $exclude = $token->[2]->{'exclude'};
903: my %languages=&Apache::loncommon::display_languages();
904: $result='1';
905: if ($include) {
906: $result='';
907: foreach (split(/\,/,$include)) {
908: if ($languages{$_}) { $result='1'; }
909: }
910: }
911: if ($exclude) {
912: foreach (split(/\,/,$exclude)) {
913: if ($languages{$_}) { $result='0'; }
914: }
915: }
916: if ( ! $result ) {
917: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
918: $style);
919: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
920: }
921: $result='';
1.167 www 922: } elsif ($target eq 'edit') {
923: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 924: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 925: $token,40);
1.211 albertel 926: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 927: $token,40);
928: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
929: } elsif ($target eq 'modified') {
930: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 931: $safeeval,'include',
932: 'exclude');
1.167 www 933: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
934: }
935: return $result;
936: }
937:
938: sub end_languageblock {
1.170 www 939: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
940: my $result;
1.201 albertel 941: if ($target eq "edit") {
1.170 www 942: $result.= &Apache::edit::tag_end($target,$token,'');
943: }
944: return $result;
945: }
946:
947: sub start_instructorcomment {
1.201 albertel 948: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 949:
950: my $result;
951:
952: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
953: $target eq 'tex' || $target eq 'analyze') {
1.284 albertel 954: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
955: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 956: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
957: $parser,$style);
1.170 www 958: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
959: }
960: $result='';
961: } elsif ($target eq 'edit') {
962: $result .=&Apache::edit::tag_start($target,$token);
963: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
964: }
965: return $result;
966: }
967:
968: sub end_instructorcomment {
1.159 albertel 969: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 970: my $result;
971: if ($target eq "edit") {
972: $result.= &Apache::edit::tag_end($target,$token,'');
973: }
974: return $result;
1.4 tsai 975: }
976:
977: sub start_while {
1.159 albertel 978: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
979:
1.160 albertel 980: my $result;
1.161 albertel 981: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.160 albertel 982: $target eq 'tex' || $target eq 'analyze') {
983: my $code = $token->[2]->{'condition'};
1.4 tsai 984:
1.160 albertel 985: push( @Apache::structuretags::whileconds, $code);
986: if (!$Apache::lonxml::default_homework_loaded) {
987: &Apache::lonxml::default_homework_load($safeeval);
988: }
989: my $result = &Apache::run::run($code,$safeeval);
1.161 albertel 990: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser);
1.160 albertel 991: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 992: push( @Apache::structuretags::whileline, $token->[5]);
993: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 994: if ( $result ) {
995: &Apache::lonxml::newparser($parser,\$bodytext);
996: }
997: } elsif ($target eq 'edit') {
998: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 999: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 1000: $token,40);
1001: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1002: } elsif ($target eq 'modified') {
1003: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1004: $safeeval,'condition');
1005: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 1006: }
1.160 albertel 1007: return $result;
1.4 tsai 1008: }
1009:
1010: sub end_while {
1.159 albertel 1011: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 1012: my $result;
1013:
1014: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1015: $target eq 'tex' || $target eq 'analyze') {
1016: my $code = pop(@Apache::structuretags::whileconds);
1017: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 1018: my $line = pop(@Apache::structuretags::whileline);
1019: my $return = &Apache::run::run($code,$safeeval);
1020: my $starttime=time;
1021: my $error=0;
1022: while ($return) {
1023: if (time-$starttime >
1024: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.270 albertel 1025: #$return = 0; $error=1; next;
1.161 albertel 1026: }
1027: $result.=&Apache::scripttag::xmlparse($bodytext);
1028: $return = &Apache::run::run($code,$safeeval);
1029: }
1030: if ($error) {
1.270 albertel 1031: &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 1032: }
1033: } elsif ($target eq "edit") {
1034: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1035: }
1.160 albertel 1036: return $result;
1.1 albertel 1037: }
1.6 tsai 1038:
1.160 albertel 1039: # <randomlist show="1">
1.6 tsai 1040: # <tag1>..</tag1>
1041: # <tag2>..</tag2>
1042: # <tag3>..</tag3>
1.160 albertel 1043: # ...
1.6 tsai 1044: # </randomlist>
1045: sub start_randomlist {
1.159 albertel 1046: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1047: my $result;
1048: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1049: $target eq 'tex' || $target eq 'analyze') {
1050: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1051: my $b_parser= HTML::TokeParser->new(\$body);
1052: my $b_tok;
1053: my @randomlist;
1054: my $list_item;
1055: while($b_tok = $b_parser->get_token() ) {
1056: if($b_tok->[0] eq 'S') { # start tag
1057: # get content of the tag until matching end tag
1058: # get all text upto the matching tag
1059: # and push the content into @randomlist
1060: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1061: $b_parser);
1062: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1063: push(@randomlist,$list_item);
1064: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1065: # $list_item</b>";
1066: }
1067: if($b_tok->[0] eq 'T') { # text
1068: # what to do with text in between tags?
1069: # print "<b>TEXT $b_tok->[1]</b><br />";
1070: }
1071: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1072: # print "<b>END-TAG $b_tok->[1]</b><br />";
1073: # }
1074: }
1075: my @idx_arr = (0 .. $#randomlist);
1076: &Apache::structuretags::shuffle(\@idx_arr);
1077: my $bodytext = '';
1078: my $show=$#randomlist;
1079: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1080: $showarg--;
1081: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1082: for(0 .. $show) {
1083: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1084: }
1085: &Apache::lonxml::newparser($parser,\$bodytext);
1086: } elsif ($target eq 'edit' ) {
1087: $result .=&Apache::edit::tag_start($target,$token);
1088: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1089: $token,5);
1090: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1091: } elsif ($target eq 'modified' ) {
1092: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1093: $safeeval,'show');
1094: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1095: }
1096: return $result;
1.7 tsai 1097: }
1098:
1099: sub shuffle {
1100: my $a=shift;
1101: my $i;
1.70 albertel 1102: if (defined(@$a)) {
1.251 albertel 1103: &Apache::response::pushrandomnumber();
1.159 albertel 1104: for($i=@$a;--$i;) {
1105: my $j=int(&Math::Random::random_uniform() * ($i+1));
1106: next if $i == $j;
1107: @$a[$i,$j] = @$a[$j,$i];
1108: }
1.251 albertel 1109: &Apache::response::poprandomnumber();
1.7 tsai 1110: }
1.6 tsai 1111: }
1112:
1113: sub end_randomlist {
1.159 albertel 1114: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1115: my $result;
1116: if ($target eq 'edit' ) {
1117: $result=&Apache::edit::tag_end($target,$token,
1118: 'End Randomly Parsed Block');
1119: }
1120: return $result;
1.6 tsai 1121: }
1122:
1.283 albertel 1123: sub ordered_show_check {
1124: my $last_part=$Apache::inputtags::partlist[-2];
1125: my $in_order=
1126: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1127: my $in_order_show=1;
1128: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1129: $in_order_show=&Apache::response::check_status($last_part);
1130: }
1131: return $in_order_show;
1132: }
1133:
1.11 albertel 1134: sub start_part {
1.159 albertel 1135: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1136: my $result='';
1137: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
1.296 ! albertel 1138: if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
1.159 albertel 1139: $Apache::inputtags::part=$id;
1.177 albertel 1140: push(@Apache::inputtags::partlist,$id);
1141: @Apache::inputtags::response=();
1.159 albertel 1142: @Apache::inputtags::previous=();
1143: @Apache::inputtags::previous_version=();
1.241 albertel 1144: $Apache::lonhomework::problemstatus=&get_problem_status($id);
1.159 albertel 1145: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1146: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1147: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1148: my $in_order_show=&ordered_show_check();
1.214 albertel 1149: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1150: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1151: &Apache::run::run($expression,$safeeval);
1.159 albertel 1152:
1153: if ($target eq 'meta') {
1.224 www 1154: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1155: return &Apache::response::mandatory_part_meta.
1156: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1157: } elsif ($target eq 'web' || $target eq 'grade' ||
1158: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1159: if ($hidden || !$in_order_show) {
1.159 albertel 1160: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
1161: } else {
1162: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1163: push (@Apache::inputtags::status,$status);
1164: my $expression='$external::datestatus="'.$status.'";';
1165: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1166: &Apache::run::run($expression,$safeeval);
1.284 albertel 1167: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1168: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1169: }
1.216 albertel 1170: if (( $status eq 'CLOSED' ) ||
1171: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1172: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1173: ( $status eq 'BANNED') ||
1174: ( $status eq 'UNAVAILABLE') ||
1175: ( $status eq 'INVALID_ACCESS')) {
1.159 albertel 1176: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
1177: if ( $target eq "web" ) {
1.211 albertel 1178: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1179: } elsif ( $target eq 'tex' ) {
1.284 albertel 1180: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1181: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1182: } else {
1.211 albertel 1183: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1184: }
1.159 albertel 1185: }
1186: } else {
1187: if ($target eq 'tex') {
1.284 albertel 1188: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1189: if ($$tagstack[-2] eq 'td') {
1190: $result.='\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1191: } else {
1192: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1193: }
1.195 sakharuk 1194: }
1.159 albertel 1195: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1196: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1197: my @allkeys = split /,/,$allkeys;
1198: my $allow_print_points = 0;
1199: foreach my $partial_key (@allkeys) {
1.230 albertel 1200: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1201: if ($1 ne '0') {$allow_print_points=1;}
1202: }
1203: }
1.275 albertel 1204: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1205: if (defined($maxtries) && $maxtries < 0) {
1206: $allow_print_points=0;
1207: }
1.222 sakharuk 1208: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1209: } elsif ($target eq 'web') {
1210: $result.='<a name="'.&Apache::lonnet::escape($Apache::inputtags::part).'" />';
1.159 albertel 1211: }
1212: }
1213: }
1214: } elsif ($target eq 'edit') {
1215: $result.=&Apache::edit::tag_start($target,$token);
1216: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1217: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1218: ' '.
1219: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1220: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1221: } elsif ($target eq 'modified') {
1222: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1223: $safeeval,'id','display');
1.159 albertel 1224: if ($constructtag) {
1.225 albertel 1225: #limiting ids to only letters numbers, and space
1.224 www 1226: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1227: $result = &Apache::edit::rebuild_tag($token);
1228: $result.=&Apache::edit::handle_insert();
1229: }
1230: }
1231: return $result;
1.11 albertel 1232: }
1233:
1234: sub end_part {
1.159 albertel 1235: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1236: &Apache::lonxml::debug("in end_part $target ");
1237: my $status=$Apache::inputtags::status['-1'];
1238: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1239: my $in_order_show=&ordered_show_check();
1.159 albertel 1240: my $result='';
1241: if ( $target eq 'meta' ) {
1242: $result='';
1.249 albertel 1243: } elsif ($target eq 'grade') {
1244: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1245: !$hidden && $in_order_show) {
1.249 albertel 1246: $result=&Apache::inputtags::grade;
1247: } else {
1248: # move any submission data to .hidden
1249: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1250: }
1.283 albertel 1251: } elsif (($target eq 'web' || $target eq 'tex') &&
1252: !$hidden && $in_order_show) {
1.159 albertel 1253: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1254: $target);
1.212 albertel 1255: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1256: $gradestatus='';
1257: }
1.159 albertel 1258: $result=$gradestatus;
1.265 sakharuk 1259: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1260: } elsif ($target eq 'edit') {
1261: $result=&Apache::edit::end_table();
1.159 albertel 1262: }
1263: pop @Apache::inputtags::status;
1264: $Apache::inputtags::part='';
1.295 albertel 1265: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 1266: return $result;
1.11 albertel 1267: }
1.1 albertel 1268:
1.25 albertel 1269: sub start_preduedate {
1.159 albertel 1270: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1271: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.236 albertel 1272: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.159 albertel 1273: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1274: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1275: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.159 albertel 1276: &Apache::lonxml::get_all_text("/preduedate",$parser);
1277: }
1.24 albertel 1278: }
1.159 albertel 1279: return '';
1.24 albertel 1280: }
1281:
1.25 albertel 1282: sub end_preduedate {
1.159 albertel 1283: return '';
1.24 albertel 1284: }
1285:
1.25 albertel 1286: sub start_postanswerdate {
1.159 albertel 1287: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.234 albertel 1288: if ($target eq 'web' || $target eq 'grade') {
1.159 albertel 1289: if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
1290: &Apache::lonxml::get_all_text("/postanswerdate",$parser);
1291: }
1292: } elsif ($target eq 'tex') {
1.234 albertel 1293: &Apache::lonxml::get_all_text("/postanswerdate",$parser);
1.159 albertel 1294: }
1295: return '';
1.24 albertel 1296: }
1297:
1.25 albertel 1298: sub end_postanswerdate {
1.159 albertel 1299: return '';
1.24 albertel 1300: }
1301:
1.25 albertel 1302: sub start_notsolved {
1.159 albertel 1303: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1304: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1305: $target eq 'tex') {
1306: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1307: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1308: if ($gradestatus =~ /^correct/ &&
1309: &Apache::response::show_answer()) {
1.159 albertel 1310: &Apache::lonxml::debug("skipping");
1311: &Apache::lonxml::get_all_text("/notsolved",$parser);
1312: }
1.24 albertel 1313: }
1.159 albertel 1314: return '';
1.24 albertel 1315: }
1316:
1.25 albertel 1317: sub end_notsolved {
1.159 albertel 1318: return '';
1.24 albertel 1319: }
1320:
1321: sub start_solved {
1.159 albertel 1322: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1323: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1324: $target eq 'tex') {
1325: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1326: if ($gradestatus !~ /^correct/ ||
1327: !&Apache::response::show_answer()) {
1.159 albertel 1328: &Apache::lonxml::get_all_text("/solved",$parser);
1329: }
1.24 albertel 1330: }
1.159 albertel 1331: return '';
1.24 albertel 1332: }
1333:
1334: sub end_solved {
1.248 albertel 1335: return '';
1336: }
1337:
1338: sub start_problemtype {
1339: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1340: my $result;
1341: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1342: $target eq 'tex' || $target eq 'analyze') {
1343: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1344: if (!defined($mode)) { $mode='show'; }
1345: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1346: my $found=0;
1347: foreach my $type (split(',',$for)) {
1348: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1349: }
1350: if ($mode eq 'show' && !$found) {
1351: &Apache::lonxml::get_all_text("/problemtype",$parser);
1352: }
1353: if ($mode eq 'hide' && $found) {
1354: &Apache::lonxml::get_all_text("/problemtype",$parser);
1355: }
1356: } elsif ($target eq 'edit') {
1357: $result .=&Apache::edit::tag_start($target,$token);
1358: $result.=&Apache::edit::select_arg('Mode:','mode',
1359: [['show','Show'],
1360: ['hide','Hide']]
1361: ,$token);
1362: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1363: [ ['exam','Exam/Quiz Problem'],
1364: ['survey','Survey'],
1365: ['problem','Homework Problem'] ]
1366: ,$token);
1367: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1368: } elsif ($target eq 'modified') {
1369: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1370: $safeeval,'mode','for');
1371: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1372: }
1373: return $result;
1374: }
1375:
1376: sub end_problemtype {
1.159 albertel 1377: return '';
1.24 albertel 1378: }
1.34 albertel 1379:
1380: sub start_startouttext {
1.159 albertel 1381: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1382: my @result=(''.'');
1383: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1384: return (@result);
1.34 albertel 1385: }
1.159 albertel 1386:
1.34 albertel 1387: sub end_startouttext {
1.159 albertel 1388: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1389: my $result='';
1390: my $text='';
1391:
1392: if ($target eq 'edit') {
1393: $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1.211 albertel 1394: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1395: <td>".&mt('Delete:').
1.159 albertel 1396: &Apache::edit::deletelist($target,$token)
1397: ."</td>
1.42 albertel 1398: <td>".
1.159 albertel 1399: &Apache::edit::insertlist($target,$token).
1400: &Apache::edit::end_row().
1401: &Apache::edit::start_spanning_row()."\n"
1.188 bowersj2 1402: . &Apache::loncommon::helpLatexCheatsheet () .
1.255 www 1403: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 1404: }
1405: if ($target eq 'modified') {
1.219 albertel 1406: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1407: }
1408: if ($target eq 'tex') {
1409: $result .= '\noindent ';
1410: }
1411: return $result;
1.34 albertel 1412: }
1.159 albertel 1413:
1.34 albertel 1414: sub start_endouttext {
1.159 albertel 1415: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1416: my $result='';
1417: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1418: if ($target eq "modified") {
1419: $result='<endouttext />'.
1420: &Apache::edit::handle_insertafter('startouttext'); }
1421: return $result;
1.34 albertel 1422: }
1.159 albertel 1423:
1.34 albertel 1424: sub end_endouttext {
1.159 albertel 1425: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1426: my @result=('','');
1427: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1428: return (@result);
1.34 albertel 1429: }
1.159 albertel 1430:
1.45 albertel 1431: sub delete_startouttext {
1.159 albertel 1432: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1433: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1434: my $text=$$parser['-1']->get_text("/endouttext");
1435: my $ntoken=$$parser['-1']->get_token();
1436: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1437: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1438: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1439: # they did the last time round
1440: &Apache::lonxml::increasedepth($ntoken);
1441: &Apache::lonxml::decreasedepth($ntoken);
1442: return 1;
1.193 www 1443: }
1444:
1445: sub start_simpleeditbutton {
1446: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1447: my $result='';
1.284 albertel 1448: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 1449: ($target eq 'web') &&
1.284 albertel 1450: (&Apache::lonnet::allowed('srm',$env{'request.course.id'}))) {
1451: my $url=$env{'request.noversionuri'};
1.193 www 1452: $url=~s/\?.*$//;
1.278 albertel 1453: my ($symb) = &Apache::lonxml::whichuser();
1.194 www 1454: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.278 albertel 1455: '<a href="'.$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 1456: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1457: }
1458: return $result;
1459: }
1460:
1461: sub end_simpleeditbutton {
1462: return '';
1.45 albertel 1463: }
1.34 albertel 1464:
1.1 albertel 1465: 1;
1466: __END__
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