Annotation of loncom/homework/structuretags.pm, revision 1.285
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.285 ! raeburn 4: # $Id: structuretags.pm,v 1.284 2005/04/07 06:56:22 albertel Exp $
1.74 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.254 www 28: ###
1.54 www 29:
1.133 sakharuk 30:
1.1 albertel 31: package Apache::structuretags;
32:
33: use strict;
34: use Apache::lonnet;
1.101 sakharuk 35: use Apache::File();
1.147 www 36: use Apache::lonmenu;
1.210 albertel 37: use Apache::lonlocal;
1.231 sakharuk 38: use Apache::lonxml;
1.267 albertel 39: use Time::HiRes qw( gettimeofday tv_interval );
1.78 harris41 40: BEGIN {
1.248 albertel 41: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));
1.10 albertel 42: }
43:
44: sub start_web {
1.159 albertel 45: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.200 albertel 46: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);
47: if ($target eq 'web') {
48: return $bodytext;
1.159 albertel 49: }
50: return '';
1.10 albertel 51: }
52:
53: sub end_web {
1.44 ng 54: return '';
1.10 albertel 55: }
56:
57: sub start_tex {
1.159 albertel 58: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.198 sakharuk 59: my $result='';
1.200 albertel 60: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);
61: if ($target eq 'tex') {
62: return $bodytext.' ';
1.159 albertel 63: }
1.198 sakharuk 64: return $result;;
1.10 albertel 65: }
66:
67: sub end_tex {
1.44 ng 68: return '';
1.9 albertel 69: }
70:
1.48 albertel 71: sub page_start {
1.159 albertel 72: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
73: my %found;
1.207 albertel 74: foreach my $taginside (@$tagstack) {
1.159 albertel 75: foreach my $taglookedfor ('html','body','form') {
76: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
77: }
78: }
79:
80: my $result;
81: my $head_tag_start;
82: if (!defined($found{'html'})) {
83: $result=&Apache::londefdef::start_html($target,$token,$tagstack,
84: $parstack,$parser,$safeeval);
1.254 www 85: $head_tag_start='<head>'.&Apache::lonmenu::registerurl(undef,$target).
1.261 www 86: &Apache::lonhtmlcommon::htmlareaheaders().
1.270 albertel 87: &Apache::lonhtmlcommon::spellheader().
88: &Apache::lonxml::fontsettings();
1.159 albertel 89: }
90: my $body_tag_start;
1.284 albertel 91: if (!defined($found{'body'}) && $env{'request.state'} eq 'construct'
92: && $env{'environment.remote'} eq 'off') {
1.272 albertel 93: $body_tag_start=&Apache::loncommon::bodytag();
1.274 albertel 94: $body_tag_start.=&Apache::lonxml::message_location();
1.272 albertel 95: } elsif (!defined($found{'body'})) {
1.270 albertel 96: $body_tag_start='<body onload="'.&Apache::lonmenu::loadevents().'" '.
97: 'onunload="'.&Apache::lonmenu::unloadevents().'" ';
1.159 albertel 98: my $background=&Apache::lonxml::get_param('background',$parstack,
99: $safeeval);
1.284 albertel 100: if ($env{'browser.imagesuppress'} eq 'on') { $background=''; }
1.159 albertel 101: if ($background) {
102: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
103: $background;
104: $body_tag_start.='background="'.$background.'" ';
105: } else {
106: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
107: $safeeval);
1.284 albertel 108: if (($bgcolor) && ($env{'browser.blackwhite'} ne 'on')) {
1.159 albertel 109: $body_tag_start.='bgcolor="'.$bgcolor.'" ';
110: } else {
111: $body_tag_start.='bgcolor="#ffffff"';
112: }
1.199 www 113: }
1.284 albertel 114: if ($env{'browser.fontenhance'} eq 'on') {
1.199 www 115: $body_tag_start.=' style="font-size: x-large;" ';
1.159 albertel 116: }
117: $body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);
1.284 albertel 118: if ($env{'environment.texengine'} eq 'jsMath') {
1.281 albertel 119: $body_tag_start.='<script type="text/javascript">
120: function NoFontMessage () {}
121: </script>'."\n".
122: '<script src="/adm/jsMath/jsMath.js"></script>'."\n";
123: }
1.284 albertel 124: if ($target eq 'web' && $env{'request.state'} ne 'construct') {
1.165 albertel 125: my ($symb,undef,undef,undef,$publicuser)=
126: &Apache::lonxml::whichuser();
127: if ($symb eq '' && !$publicuser) {
1.159 albertel 128: my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
1.211 albertel 129: $help=&mt("Browsing resource, all submissions are temporary.")."<br />";
1.159 albertel 130: $body_tag_start.=$help;
131: }
132: }
1.245 albertel 133: $body_tag_start.=&Apache::lonxml::message_location();
1.159 albertel 134: }
135: my $form_tag_start;
136: if (!defined($found{'form'})) {
1.281 albertel 137: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="POST" action="';
1.284 albertel 138: my $uri=$env{'request.uri'};
139: if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
1.271 albertel 140: $form_tag_start.=$uri.'">';
1.159 albertel 141: }
142: return ($result,$head_tag_start,$body_tag_start,$form_tag_start);
1.105 albertel 143: }
144:
1.141 matthew 145: #use Time::HiRes();
1.105 albertel 146: sub get_resource_name {
1.159 albertel 147: my ($parstack,$safeeval)=@_;
1.204 albertel 148: if (defined($Apache::lonhomework::name)) {
149: return $Apache::lonhomework::name;
150: }
1.279 albertel 151: my ($symb)=&Apache::lonxml::whichuser();
152: my $name=&Apache::lonnet::gettitle($symb);
1.159 albertel 153: if ($name eq '') {
154: $name=&Apache::lonnet::EXT('resource.title');
155: if ($name eq 'con_lost') { $name = ''; }
156: }
1.204 albertel 157: if ($name!~/\S+/) {
1.284 albertel 158: $name=$env{'request.uri'};
1.205 albertel 159: $name=~s-.*/([^/]+)$-$1-;
1.204 albertel 160: }
1.159 albertel 161: $Apache::lonhomework::name=$name;
162: return $name;
1.105 albertel 163: }
164:
165: sub setup_rndseed {
1.159 albertel 166: my ($safeeval)=@_;
167: my $rndseed;
1.162 albertel 168: my ($symb)=&Apache::lonxml::whichuser();
1.284 albertel 169: if ($env{'request.state'} eq "construct" || $symb eq '' ||
1.247 albertel 170: $Apache::lonhomework::history{'resource.CODE'}) {
1.284 albertel 171: $rndseed=$env{'form.rndseed'};
1.159 albertel 172: if (!$rndseed) {
1.162 albertel 173: $rndseed=$Apache::lonhomework::history{'rndseed'};
174: if (!$rndseed) {
175: $rndseed=time;
176: }
1.284 albertel 177: $env{'form.rndseed'}=$rndseed;
1.162 albertel 178: }
1.284 albertel 179: if ($env{'form.resetdata'} eq &mt('New Problem Variation') ||
180: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 181: srand(time);
182: $rndseed=int(rand(2100000000));
1.284 albertel 183: $env{'form.rndseed'}=$rndseed;
184: delete($env{'form.resetdata'});
185: delete($env{'form.newrandomization'});
1.159 albertel 186: }
1.187 albertel 187: if (defined($rndseed) && $rndseed ne int($rndseed)) {
188: $rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));
189: }
1.247 albertel 190: if ($Apache::lonhomework::history{'resource.CODE'}) {
191: $rndseed=&Apache::lonnet::rndseed();
192: }
1.221 albertel 193: if ($safeeval) {
194: &Apache::lonxml::debug("Setting rndseed to $rndseed");
1.250 albertel 195: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.221 albertel 196: }
1.159 albertel 197: }
198: return $rndseed;
1.105 albertel 199: }
200:
1.268 albertel 201: sub remember_problem_state {
202: return '
1.284 albertel 203: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
204: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
205: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 206: }
207:
1.105 albertel 208: sub problem_edit_header {
1.268 albertel 209: return '<input type="hidden" name="submitted" value="edit" />'.
210: &Apache::structuretags::remember_problem_state().'
1.210 albertel 211: <input type="hidden" name="problemmode" value="'.&mt('Edit').'" />
1.243 matthew 212: <input type="submit" name="problemmode" accesskey="d" value="'.&mt('Discard Edits and View').'" />
213: <input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
214: <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" /> <hr />
215: <input type="submit" name="submit" accesskey="s" value="'.&mt('Submit Changes and Edit').'" />
216: <input type="submit" name="submit" accesskey="v" value="'.&mt('Submit Changes and View').'" /><table><tr><td>'.
1.260 albertel 217: &Apache::loncommon::help_open_menu('','Problem Editing Help','Problem_Editor_XML_Index','',5,'Authoring',undef,undef,undef,'Problem Editing Help')
218: .'</td></tr></table>'.
1.282 albertel 219: '<table border="0" width="100%"><tr><td bgcolor="#DDDDDD">';
1.105 albertel 220: }
221:
222: sub problem_edit_footer {
1.210 albertel 223: return '</td></tr></table><br /><input type="submit" name="submit" value="'.&mt('Submit Changes and Edit').'" />
1.255 www 224: <input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />'.
225: &Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields).
1.280 albertel 226: "\n</form>\n".&Apache::loncommon::endbodytag()."\n</html>";
1.105 albertel 227: }
228:
1.235 albertel 229: sub option {
230: my ($value,$name) = @_;
231: my $result ="<option value='".$value."' ";
1.284 albertel 232: if ($env{'form.'.$name} eq $value) {
1.235 albertel 233: $result.=" selected='on' ";
234: }
235: $result.='>';
236: return $result;
237: }
238:
1.105 albertel 239: sub problem_web_to_edit_header {
1.159 albertel 240: my ($rndseed)=@_;
1.210 albertel 241: my $result.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />
1.243 matthew 242: <input type="submit" name="problemmode" accesskey="e" value="'.&mt('Edit').'" />
243: <input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
244: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
245: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
1.210 albertel 246: <nobr><input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.270 albertel 247: <input type="text" name="rndseed" size="10" value="'.
1.175 albertel 248: $rndseed.'"
1.270 albertel 249: onchange="javascript:document.lonhomework.changerandseed.click()" /></nobr>
1.281 albertel 250: <label><input type="checkbox" name="showallfoils" ';
1.284 albertel 251: if (defined($env{'form.showallfoils'})) { $result.='checked="on"'; }
1.228 www 252: $result.= ' />'.&mt(' Show All Foils').
253: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').
1.281 albertel 254: '</label><hr />';
1.235 albertel 255: $result.="
256: <nobr>
257: Problem Status:
258: <select name='problemstate'>
1.270 albertel 259: <option value=''></option>
1.235 albertel 260: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
261: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
262: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
263: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
264: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
265: </select>
266: </nobr>
267: <nobr>
268: Problem Type:
269: <select name='problemtype'>
1.270 albertel 270: <option value=''></option>
1.242 albertel 271: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
272: ".&option('problem','problemtype').&mt("Homework problem")."</option>
273: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.235 albertel 274: </select>
275: </nobr>
276: <nobr>
277: Feedback Mode:
278: <select name='problemstatus'>
279: <option value=''></option>
1.242 albertel 280: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
281: ".&option('no', 'problemstatus').&mt("Don't Show Feedback")."</option>
1.235 albertel 282: </select>
283: </nobr>
1.242 albertel 284: <input type='submit' name='changeproblemmode' value='".&mt("Change")."' />
1.235 albertel 285: <hr />";
1.284 albertel 286: my $numtoanalyze=$env{'form.numtoanalyze'};
1.176 albertel 287: if (!$numtoanalyze) { $numtoanalyze=20; }
1.210 albertel 288: $result.= '<input type="submit" name="problemmode" value='.
289: &mt('"Calculate answers').'" /> for
1.136 albertel 290: <input type="text" name="numtoanalyze" value="'.
1.210 albertel 291: $numtoanalyze.'" size="5" /> '.&mt('versions of this problem').
292: '.'.&Apache::loncommon::help_open_topic("Analyze_Problem",
1.176 albertel 293: '',undef,undef,300).
1.210 albertel 294: '<hr />';
1.159 albertel 295: return $result;
1.48 albertel 296: }
297:
1.65 albertel 298: sub initialize_storage {
1.159 albertel 299: %Apache::lonhomework::results=();
1.162 albertel 300: %Apache::lonhomework::history=();
1.159 albertel 301: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.284 albertel 302: if ($env{'request.state'} eq 'construct' || $symb eq '') {
1.159 albertel 303: %Apache::lonhomework::history=
1.284 albertel 304: &Apache::lonnet::tmprestore($env{'request.uri'},'',$domain,$name);
1.159 albertel 305: my ($temp)=keys %Apache::lonhomework::history ;
306: &Apache::lonxml::debug("Return message of $temp");
307: } else {
308: %Apache::lonhomework::history=
309: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
310: }
311: #ignore error conditions
1.67 albertel 312: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 313: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 314: }
315:
316: # -------------------------------------------------------------finalize_storage
317: # Stores away the result has to a student's environment
318: # checks form.grade_ for specific values, other wises stores
319: # to the running users environment
1.285 ! raeburn 320: # Will increment totals for attempts, students, and corrects
! 321: # if running user has student role.
1.65 albertel 322: sub finalize_storage {
1.159 albertel 323: my $result;
324: my ($temp) = keys %Apache::lonhomework::results;
325: if ( $temp ne '' ) {
326: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.284 albertel 327: if ($env{'request.state'} eq 'construct' || $symb eq '') {
328: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 329: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.284 albertel 330: $env{'request.uri'},'',$domain,$name);
1.159 albertel 331: &Apache::lonxml::debug('Construct Store return message:'.$result);
332: } else {
333: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
334: $symb,$courseid,$domain,$name);
335: &Apache::lonxml::debug('Store return message:'.$result);
1.285 ! raeburn 336: if ($env{'request.role'} =~/^st/) {
! 337: &store_aggregates($symb,$courseid);
! 338: }
1.159 albertel 339: }
1.67 albertel 340: }
1.159 albertel 341: return $result;
1.65 albertel 342: }
343:
1.285 ! raeburn 344: # -------------------------------------------------------------store_aggregates
! 345: # Sends hash of values to be incremented in nohist_resourcetracker.db
! 346: # for the course. Increments total number of attempts, unique students
! 347: # and corrects for each part for an instance of a problem, as appropriate.
! 348: sub store_aggregates {
! 349: my ($symb,$courseid) = @_;
! 350: my %aggregate = ();
! 351: my @parts = ();
! 352: my ($cdomain,$cname) = split/_/,$courseid;
! 353: foreach my $key (keys %Apache::lonhomework::results) {
! 354: if ($key =~ /resource\.(\d+)\.tries/) {
! 355: push @parts, $1;
! 356: }
! 357: }
! 358: foreach (@parts) {
! 359: if ($Apache::lonhomework::results{'resource.'.$_.'.award'} eq 'APPROX_ANS' || $Apache::lonhomework::results{'resource.'.$_.'.award'} eq 'EXACT_ANS') {
! 360: $aggregate{$symb.'_'.$_.'_correct'} = 1;
! 361: }
! 362: if ($Apache::lonhomework::results{'resource.'.$_.'.tries'} == 1) {
! 363: $aggregate{$symb.'_'.$_.'_users'} = 1;
! 364: }
! 365: $aggregate{$symb.'_'.$_.'_attempts'} = 1;
! 366: }
! 367: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,$cdomain,$cname);
! 368: }
! 369:
1.65 albertel 370: sub checkout_msg {
1.211 albertel 371: my %lt=&Apache::lonlocal::texthash(
372: 'resource'=>'The resource needs to be checked out',
373: 'id_expln'=>'As a resource gets checked out, a unique timestamped ID is given to it, and a permanent record is left in the system.',
374: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
375: 'checkout'=>'Check out Exam for Viewing',
376: 'checkout?'=>'Check out Exam?');
1.159 albertel 377: return (<<ENDCHECKOUT);
1.211 albertel 378: <h2>$lt{'resource'}</h2>
379: <p>$lt{'id_expln'}</p>
380: <font color="red">
381: <p>$lt{'warning'}</p>
1.91 albertel 382: </font>
1.284 albertel 383: <form name="checkout" method="POST" action="$env{'request.uri'}">
1.91 albertel 384: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 385: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 386: </form>
387: ENDCHECKOUT
388: }
389:
1.252 albertel 390: sub firstaccess_msg {
1.253 albertel 391: my ($time,$symb)=@_;
392: my ($map)=&Apache::lonnet::decode_symb($symb);
393: my $foldertitle=&Apache::lonnet::gettitle($map);
394: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.252 albertel 395: return (<<ENDCHECKOUT);
1.253 albertel 396: <h2>The resources in "$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 397: <form name="markaccess" method="POST" action="$env{'request.uri'}">
1.252 albertel 398: <input type="hidden" name="markaccess" value="yes" />
399: <input type="button" name="accessbutton" value="Show Resource" onClick="javascript:if (confirm('Start Timer?')) { document.markaccess.submit(); }" />
400: </form>
401: ENDCHECKOUT
402: }
403:
1.204 albertel 404: sub init_problem_globals {
405: my ($type)=@_;
406: #initialize globals
407: if ($type eq 'problem') {
408: $Apache::inputtags::part='0';
409: @Apache::inputtags::partlist=('0');
1.266 albertel 410: $Apache::lonhomework::problemstatus=&get_problem_status('0');
411: $Apache::lonhomework::ignore_response_errors=0;
412: } elsif ($type eq 'library') {
1.204 albertel 413: $Apache::inputtags::part='';
414: @Apache::inputtags::partlist=();
415: $Apache::lonhomework::problemstatus='';
1.266 albertel 416: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 417: }
418: @Apache::inputtags::responselist = ();
419: @Apache::inputtags::importlist = ();
420: @Apache::inputtags::previous=();
421: @Apache::inputtags::previous_version=();
422: $Apache::structuretags::printanswer='No';
423: @Apache::structuretags::whileconds=();
424: @Apache::structuretags::whilebody=();
425: @Apache::structuretags::whileline=();
426: $Apache::lonhomework::scantronmode=0;
427: undef($Apache::lonhomework::name);
428:
429: }
430:
431: sub reset_problem_globals {
432: my ($type)=@_;
433: undef(%Apache::lonhomework::history);
434: undef(%Apache::lonhomework::results);
435: undef($Apache::inputtags::part);
1.208 albertel 436: #don't undef this, lonhomework.pm takes care of this, we use this to
437: #detect if we try to do 2 problems in one file
438: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 439: undef($Apache::lonhomework::name);
440: }
441:
1.241 albertel 442: sub set_problem_state {
1.240 albertel 443: my ($part)=@_;
1.284 albertel 444: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 445: $Apache::lonhomework::history{"resource.$part.solved"}=
446: 'correct_by_student';
447: }
448: }
449:
1.241 albertel 450: sub get_problem_status {
451: my ($part)=@_;
1.267 albertel 452: my $problem_status;
1.284 albertel 453: if ($env{'request.state'} eq 'construct' &&
454: defined($env{'form.problemstatus'})) {
455: $problem_status=$env{'form.problemstatus'};
1.267 albertel 456: } else {
457: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
458: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 459: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 460: }
461: return $problem_status;
462: }
463:
1.9 albertel 464: sub start_problem {
1.159 albertel 465: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19 albertel 466:
1.184 albertel 467: if ( $Apache::inputtags::part ne '' ||
468: $Apache::lonhomework::parsing_a_problem) {
469: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
470: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
1.159 albertel 471: return '';
472: }
1.184 albertel 473:
474: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 475: &init_problem_globals('problem');
1.166 albertel 476:
1.284 albertel 477: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 478: $Apache::lonhomework::scantronmode=1;
479: }
1.161 albertel 480:
1.246 albertel 481: &initialize_storage();
1.159 albertel 482: if ($target ne 'analyze') {
483: if ($target eq 'web') {
484: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1.238 albertel 485: }
1.284 albertel 486: if ($env{'request.state'} eq 'construct') { &set_problem_state('0'); }
1.159 albertel 487: $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
1.284 albertel 488: if (($env{'request.state'} eq 'construct') &&
489: defined($env{'form.problemtype'})) {
490: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 491: }
1.240 albertel 492: &Apache::lonxml::debug("Found this to be of type :$Apache::ltonhomework::type:");
1.159 albertel 493: }
1.164 albertel 494: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 495: my $uri=$env{'request.uri'};
1.159 albertel 496: if ($uri=~/\.(\w+)$/) {
497: $Apache::lonhomework::type=$1;
498: &Apache::lonxml::debug("Using type of $1");
499: } else {
500: $Apache::lonhomework::type='problem';
501: &Apache::lonxml::debug("Using default type, problem, :$uri:");
502: }
1.87 albertel 503: }
1.58 www 504:
1.159 albertel 505: #added vars to the scripting enviroment
1.213 albertel 506: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 507: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 508: &Apache::run::run($expression,$safeeval);
1.159 albertel 509: my $status;
510: my $accessmsg;
511:
512: #should get back a <html> or the neccesary stuff to start XML/MathML
513: my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
514: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
1.284 albertel 515: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 516:
517: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
518: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
519: $target eq 'tex') {
520: #handle exam checkout
521: if ($Apache::lonhomework::type eq 'exam') {
522: my $token=
523: $Apache::lonhomework::history{"resource.0.outtoken"};
1.284 albertel 524: if (($env{'form.doescheckout'}) && (!$token)) {
1.159 albertel 525: $token=&Apache::lonxml::maketoken();
526: $Apache::lonhomework::history{"resource.0.outtoken"}=
527: $token;
528: }
529: $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 530: }
1.284 albertel 531: if ($env{'form.markaccess'}) {
1.252 albertel 532: &Apache::lonnet::set_first_access('map');
533: }
1.159 albertel 534: #handle rand seed in construction space
535: my $rndseed=&setup_rndseed($safeeval);
1.162 albertel 536: my ($symb)=&Apache::lonxml::whichuser();
1.284 albertel 537: if ($env{'request.state'} ne "construct" && $symb eq '') {
1.162 albertel 538: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
539: $rndseed.'" />'.
540: '<input type="submit" name="resetdata"
1.211 albertel 541: value="'.&mt('New Problem Variation').'" />'.
1.164 albertel 542: '<input type="hidden" name="username"
1.284 albertel 543: value="'.$env{'form.username'}.'" />';
544: if ($env{'user.adv'}) {
1.267 albertel 545: $form_tag_start.=
546: ' <input type="checkbox" name="showallfoils" ';
1.284 albertel 547: if (defined($env{'form.showallfoils'})) {
1.267 albertel 548: $form_tag_start.='checked="on"';
549: }
550: $form_tag_start.= ' />'.&mt(' Show All Foils');
551: }
552: $form_tag_start.='<hr />';
1.162 albertel 553: }
1.159 albertel 554: ($status,$accessmsg) = &Apache::lonhomework::check_access('0');
555: push (@Apache::inputtags::status,$status);
556: my $expression='$external::datestatus="'.$status.'";';
557: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
558: &Apache::run::run($expression,$safeeval);
559: &Apache::lonxml::debug("Got $status");
560: if (( $status eq 'CLOSED' ) ||
561: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 562: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 563: ( $status eq 'BANNED') ||
1.216 albertel 564: ( $status eq 'UNAVAILABLE') ||
565: ( $status eq 'INVALID_ACCESS')) {
1.159 albertel 566: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
567: if ( $target eq "web" ) {
568: $result.= $head_tag_start.'</head>';
569: my $msg=$body_tag_start;
570: if ($status eq 'UNAVAILABLE') {
1.245 albertel 571: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.253 albertel 572: } elsif ($status ne 'NOT_YET_VIEWED') {
1.245 albertel 573: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 574: }
1.216 albertel 575: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.159 albertel 576: $msg.='The problem '.$accessmsg;
577: } elsif ($status eq 'UNCHECKEDOUT') {
578: $msg.=&checkout_msg;
1.252 albertel 579: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 580: $msg.=&firstaccess_msg($accessmsg,$symb);
1.159 albertel 581: }
582: $result.=$msg.'<br />';
583: } elsif ($target eq 'tex') {
584: $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
585: if ($status eq 'UNAVAILABLE') {
1.211 albertel 586: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 587: } else {
1.211 albertel 588: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 589: }
590: }
591: } elsif ($target eq 'web') {
592: my $name= &get_resource_name($parstack,$safeeval);
1.227 albertel 593: $result.="$head_tag_start<title>$name</title></head>
1.158 sakharuk 594: $body_tag_start \n $form_tag_start".
1.227 albertel 595: '<input type="hidden" name="submitted" value="yes" />';
596: # create a page header and exit
1.284 albertel 597: if ($env{'request.state'} eq "construct") {
598: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.227 albertel 599: }
600: # if we are viewing someone else preserve that info
1.284 albertel 601: if (defined $env{'form.grade_symb'}) {
1.227 albertel 602: foreach my $field ('symb','courseid','domain','username') {
603: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 604: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 605: }
606: }
607: } elsif ($target eq 'tex') {
1.192 sakharuk 608: my $startminipage = '';
1.284 albertel 609: if (not $env{'form.problem_split'}=~/yes/) {
1.192 sakharuk 610: $startminipage = '\begin{minipage}{\textwidth}';
1.178 sakharuk 611: }
1.159 albertel 612: my $id = $Apache::inputtags::part;
613: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 614: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.223 sakharuk 615: my @packages = split /,/,$packages;
616: my $allow_print_points = 0;
617: foreach my $partial_key (@packages) {
1.230 albertel 618: if ($partial_key=~m/^part_0$/) {
1.223 sakharuk 619: $allow_print_points=1;
1.159 albertel 620: }
621: }
1.276 albertel 622: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
623: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1.159 albertel 624: my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");
625: $duedate = POSIX::strftime("%c",localtime($duedate));
626: my $temp_file;
1.284 albertel 627: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.159 albertel 628: if (-e $filename) {
629: $temp_file = Apache::File->new($filename);
630: } else {
631: $temp_file = Apache::File->new('>>'.$filename);
632: }
633: my @due_file_content = <$temp_file>;
634: my $due_file_content = $due_file_content[$#due_file_content];
635: chomp $due_file_content;
1.257 sakharuk 636: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.159 albertel 637: if ($due_file_content ne $duedate) {
638: $temp_file = Apache::File->new('>'.$filename);
639: print $temp_file "$duedate\n";
1.284 albertel 640: if (not $env{'request.symb'} =~ m/\.page_/) {
1.159 albertel 641: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1.284 albertel 642: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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 643: } else {
1.284 albertel 644: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
1.159 albertel 645: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
646: }
1.104 sakharuk 647: } else {
1.159 albertel 648: $result .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\';
1.104 sakharuk 649: }
1.101 sakharuk 650: } else {
1.284 albertel 651: if (not $env{'request.symb'} =~ m/\.page_/) {
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: } else {
655: $result .= '\vskip 1mm \\\\\\\\';
656: }
657: }
1.99 sakharuk 658: }
1.159 albertel 659: } elsif ($target eq 'edit') {
660: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
661: &problem_edit_header();
1.226 albertel 662: $Apache::lonxml::warnings_error_header=
663: &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 664: my $temp=&Apache::edit::insertlist($target,$token);
665: $result.=$temp;
666: } elsif ($target eq 'modified') {
667: $result=$token->[4];
668: $result.=&Apache::edit::handle_insert();
669: } else {
670: # page_start returned a starting result, delete it if we don't need it
671: $result = '';
1.99 sakharuk 672: }
1.159 albertel 673: return $result;
1.9 albertel 674: }
675:
676: sub end_problem {
1.159 albertel 677: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
678: my $result='';
679: my $status=$Apache::inputtags::status['-1'];
680: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
681: $target eq 'tex') {
1.249 albertel 682: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 683: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 684: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
685: &Apache::inputtags::grade;
686: } else {
687: # move any submission data to .hidden
688: &Apache::inputtags::hidealldata($Apache::inputtags::part);
689: }
1.159 albertel 690: } elsif ( ($target eq 'web' || $target eq 'tex') &&
691: $Apache::inputtags::part eq '0' &&
1.252 albertel 692: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
1.159 albertel 693: # if part is zero, no <part>s existed, so we need show the current
694: # grading status
695: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
696: $result.= $gradestatus;
697: }
698: if (
1.284 albertel 699: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 700: ($target eq 'answer') || ($target eq 'tex')
701: ) {
1.227 albertel 702: if ($target ne 'tex' &&
1.284 albertel 703: $env{'form.answer_output_mode'} ne 'tex') {
1.254 www 704: $result.="</form>";
705: $result.=&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields);
1.159 albertel 706: }
707: if ($target eq 'web') {
1.281 albertel 708: $result.=&Apache::lonxml::xmlend().'</html>';
1.159 albertel 709: } elsif ($target eq 'tex') {
1.178 sakharuk 710: my $endminipage = '';
1.284 albertel 711: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 712: $endminipage = '\end{minipage}';
713: }
1.284 albertel 714: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 715: $result.=&Apache::lonxml::xmlend($target,$parser);
1.257 sakharuk 716: $result=~s/<\/html>//;
1.159 albertel 717: } else {
1.262 sakharuk 718: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 719: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 720: $result .= $endminipage.'\end{document} ';
721: } else {
722: $result .= '';
723: }
1.159 albertel 724: }
725: }
726: }
727: if ($target eq 'grade') {
728: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
729: &finalize_storage();
730: }
1.284 albertel 731: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
732: && $env{'form.answer_output_mode'} ne 'tex') {
1.172 albertel 733: $result.='</html>'; # normally we get it from xmlend, but in CSTR
734: # we always show answer mode too.
1.159 albertel 735: }
736: } elsif ($target eq 'meta') {
737: if ($Apache::inputtags::part eq '0') {
1.179 albertel 738: @Apache::inputtags::response=();
1.159 albertel 739: $result=&Apache::response::mandatory_part_meta;
740: }
1.215 albertel 741: $result.=&Apache::response::meta_part_order();
1.258 albertel 742: $result.=&Apache::response::meta_response_order();
1.159 albertel 743: } elsif ($target eq 'edit') {
744: &Apache::lonxml::debug("in end_problem with $target, edit");
745: $result = &problem_edit_footer();
746: }
1.155 albertel 747:
1.284 albertel 748: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 749: &Apache::inputtags::check_for_duplicate_ids();
750: }
1.204 albertel 751:
752: &reset_problem_globals('problem');
1.159 albertel 753:
754: return $result;
1.48 albertel 755: }
756:
1.108 albertel 757:
1.48 albertel 758: sub start_library {
1.159 albertel 759: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
760: my ($result,$head_tag_start,$body_tag_start,$form_tag_start);
1.244 albertel 761: if ($$tagstack[0] eq 'library') {
762: &init_problem_globals('library');
763: $Apache::lonhomework::type='problem';
764: }
1.159 albertel 765: if ($target eq 'edit') {
766: ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
767: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
768: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
769: &problem_edit_header();
770: my $temp=&Apache::edit::insertlist($target,$token);
771: $result.=$temp;
772: } elsif ($target eq 'modified') {
773: $result=$token->[4];
774: $result.=&Apache::edit::handle_insert();
775: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
1.284 albertel 776: $env{'request.state'} eq "construct" ) {
1.159 albertel 777: ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
778: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
779: my $name=&get_resource_name($parstack,$safeeval);
780: my $rndseed=&setup_rndseed($safeeval);
781: $result.="$head_tag_start<title>$name</title></head>
1.105 albertel 782: $body_tag_start \n $form_tag_start".
1.159 albertel 783: '<input type="hidden" name="submitted" value="yes" />';
784: $result.=&problem_web_to_edit_header($rndseed);
785: }
786: return $result;
1.48 albertel 787: }
788:
789: sub end_library {
1.159 albertel 790: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
791: my $result='';
792: if ($target eq 'edit') {
793: $result=&problem_edit_footer();
794: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
1.284 albertel 795: $env{'request.state'} eq "construct") {
1.280 albertel 796: $result.='</form>'.&Apache::loncommon::endbodytag().
797: &Apache::lonxml::xmlend();
1.159 albertel 798: }
1.204 albertel 799: if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };
1.159 albertel 800: return $result;
1.197 www 801: }
802:
803: sub start_definetag {
804: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
805:
806: my $result;
807:
808: my $name = $token->[2]->{'name'};
809: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser);
810: if ($name=~/^\//) {
811: $result=
812: '<br /><table bgcolor="#FFBBBB"><tr><th>END <tt>'.$name.'</tt></th></tr>';
813: } else {
814: $result=
815: '<br /><table bgcolor="#BBFFBB"><tr><th>BEGIN <tt>'.$name.'</tt></th></tr>';
816: }
817: $skip=~s/\</\<\;/gs;
818: $skip=~s/\>/\>\;/gs;
819: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
820: return $result;
821: }
822:
823: sub end_definetag {
824: return '';
1.1 albertel 825: }
826:
827: sub start_block {
1.201 albertel 828: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 829:
830: my $result;
1.1 albertel 831:
1.160 albertel 832: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.131 albertel 833: $target eq 'tex' || $target eq 'analyze') {
1.159 albertel 834: my $code = $token->[2]->{'condition'};
1.201 albertel 835: if (defined($code)) {
1.137 albertel 836: if (!$Apache::lonxml::default_homework_loaded) {
837: &Apache::lonxml::default_homework_load($safeeval);
838: }
1.131 albertel 839: $result = &Apache::run::run($code,$safeeval);
840: &Apache::lonxml::debug("block :$code: returned :$result:");
841: } else {
842: $result='1';
843: }
844: if ( ! $result ) {
1.201 albertel 845: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 846: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
847: }
848: $result='';
849: } elsif ($target eq 'edit') {
850: $result .=&Apache::edit::tag_start($target,$token);
851: $result .=&Apache::edit::text_arg('Test Condition:','condition',
852: $token,40);
853: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
854: } elsif ($target eq 'modified') {
855: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
856: $safeeval,'condition');
857: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 858: }
1.131 albertel 859: return $result;
1.1 albertel 860: }
861:
862: sub end_block {
1.167 www 863: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
864: my $result;
865: if ($target eq "edit") {
866: $result.= &Apache::edit::tag_end($target,$token,'');
867: }
868: return $result;
869: }
870:
871: sub start_languageblock {
1.201 albertel 872: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 873:
874: my $result;
875:
876: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
877: $target eq 'tex' || $target eq 'analyze') {
1.201 albertel 878: my $include = $token->[2]->{'include'};
879: my $exclude = $token->[2]->{'exclude'};
880: my %languages=&Apache::loncommon::display_languages();
881: $result='1';
882: if ($include) {
883: $result='';
884: foreach (split(/\,/,$include)) {
885: if ($languages{$_}) { $result='1'; }
886: }
887: }
888: if ($exclude) {
889: foreach (split(/\,/,$exclude)) {
890: if ($languages{$_}) { $result='0'; }
891: }
892: }
893: if ( ! $result ) {
894: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
895: $style);
896: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
897: }
898: $result='';
1.167 www 899: } elsif ($target eq 'edit') {
900: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 901: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 902: $token,40);
1.211 albertel 903: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 904: $token,40);
905: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
906: } elsif ($target eq 'modified') {
907: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 908: $safeeval,'include',
909: 'exclude');
1.167 www 910: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
911: }
912: return $result;
913: }
914:
915: sub end_languageblock {
1.170 www 916: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
917: my $result;
1.201 albertel 918: if ($target eq "edit") {
1.170 www 919: $result.= &Apache::edit::tag_end($target,$token,'');
920: }
921: return $result;
922: }
923:
924: sub start_instructorcomment {
1.201 albertel 925: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 926:
927: my $result;
928:
929: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
930: $target eq 'tex' || $target eq 'analyze') {
1.284 albertel 931: $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
932: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 933: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
934: $parser,$style);
1.170 www 935: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
936: }
937: $result='';
938: } elsif ($target eq 'edit') {
939: $result .=&Apache::edit::tag_start($target,$token);
940: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
941: }
942: return $result;
943: }
944:
945: sub end_instructorcomment {
1.159 albertel 946: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 947: my $result;
948: if ($target eq "edit") {
949: $result.= &Apache::edit::tag_end($target,$token,'');
950: }
951: return $result;
1.4 tsai 952: }
953:
954: sub start_while {
1.159 albertel 955: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
956:
1.160 albertel 957: my $result;
1.161 albertel 958: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.160 albertel 959: $target eq 'tex' || $target eq 'analyze') {
960: my $code = $token->[2]->{'condition'};
1.4 tsai 961:
1.160 albertel 962: push( @Apache::structuretags::whileconds, $code);
963: if (!$Apache::lonxml::default_homework_loaded) {
964: &Apache::lonxml::default_homework_load($safeeval);
965: }
966: my $result = &Apache::run::run($code,$safeeval);
1.161 albertel 967: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser);
1.160 albertel 968: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 969: push( @Apache::structuretags::whileline, $token->[5]);
970: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 971: if ( $result ) {
972: &Apache::lonxml::newparser($parser,\$bodytext);
973: }
974: } elsif ($target eq 'edit') {
975: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 976: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 977: $token,40);
978: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
979: } elsif ($target eq 'modified') {
980: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
981: $safeeval,'condition');
982: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 983: }
1.160 albertel 984: return $result;
1.4 tsai 985: }
986:
987: sub end_while {
1.159 albertel 988: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 989: my $result;
990:
991: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
992: $target eq 'tex' || $target eq 'analyze') {
993: my $code = pop(@Apache::structuretags::whileconds);
994: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 995: my $line = pop(@Apache::structuretags::whileline);
996: my $return = &Apache::run::run($code,$safeeval);
997: my $starttime=time;
998: my $error=0;
999: while ($return) {
1000: if (time-$starttime >
1001: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.270 albertel 1002: #$return = 0; $error=1; next;
1.161 albertel 1003: }
1004: $result.=&Apache::scripttag::xmlparse($bodytext);
1005: $return = &Apache::run::run($code,$safeeval);
1006: }
1007: if ($error) {
1.270 albertel 1008: &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 1009: }
1010: } elsif ($target eq "edit") {
1011: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 1012: }
1.160 albertel 1013: return $result;
1.1 albertel 1014: }
1.6 tsai 1015:
1.160 albertel 1016: # <randomlist show="1">
1.6 tsai 1017: # <tag1>..</tag1>
1018: # <tag2>..</tag2>
1019: # <tag3>..</tag3>
1.160 albertel 1020: # ...
1.6 tsai 1021: # </randomlist>
1022: sub start_randomlist {
1.159 albertel 1023: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1024: my $result;
1025: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
1026: $target eq 'tex' || $target eq 'analyze') {
1027: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1028: my $b_parser= HTML::TokeParser->new(\$body);
1029: my $b_tok;
1030: my @randomlist;
1031: my $list_item;
1032: while($b_tok = $b_parser->get_token() ) {
1033: if($b_tok->[0] eq 'S') { # start tag
1034: # get content of the tag until matching end tag
1035: # get all text upto the matching tag
1036: # and push the content into @randomlist
1037: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
1038: $b_parser);
1039: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1040: push(@randomlist,$list_item);
1041: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
1042: # $list_item</b>";
1043: }
1044: if($b_tok->[0] eq 'T') { # text
1045: # what to do with text in between tags?
1046: # print "<b>TEXT $b_tok->[1]</b><br />";
1047: }
1048: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1049: # print "<b>END-TAG $b_tok->[1]</b><br />";
1050: # }
1051: }
1052: my @idx_arr = (0 .. $#randomlist);
1053: &Apache::structuretags::shuffle(\@idx_arr);
1054: my $bodytext = '';
1055: my $show=$#randomlist;
1056: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
1057: $showarg--;
1058: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1059: for(0 .. $show) {
1060: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
1061: }
1062: &Apache::lonxml::newparser($parser,\$bodytext);
1063: } elsif ($target eq 'edit' ) {
1064: $result .=&Apache::edit::tag_start($target,$token);
1065: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
1066: $token,5);
1067: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1068: } elsif ($target eq 'modified' ) {
1069: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1070: $safeeval,'show');
1071: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1072: }
1073: return $result;
1.7 tsai 1074: }
1075:
1076: sub shuffle {
1077: my $a=shift;
1078: my $i;
1.70 albertel 1079: if (defined(@$a)) {
1.251 albertel 1080: &Apache::response::pushrandomnumber();
1.159 albertel 1081: for($i=@$a;--$i;) {
1082: my $j=int(&Math::Random::random_uniform() * ($i+1));
1083: next if $i == $j;
1084: @$a[$i,$j] = @$a[$j,$i];
1085: }
1.251 albertel 1086: &Apache::response::poprandomnumber();
1.7 tsai 1087: }
1.6 tsai 1088: }
1089:
1090: sub end_randomlist {
1.159 albertel 1091: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1092: my $result;
1093: if ($target eq 'edit' ) {
1094: $result=&Apache::edit::tag_end($target,$token,
1095: 'End Randomly Parsed Block');
1096: }
1097: return $result;
1.6 tsai 1098: }
1099:
1.283 albertel 1100: sub ordered_show_check {
1101: my $last_part=$Apache::inputtags::partlist[-2];
1102: my $in_order=
1103: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
1104: my $in_order_show=1;
1105: if ($last_part ne '0' && lc($in_order) eq 'yes') {
1106: $in_order_show=&Apache::response::check_status($last_part);
1107: }
1108: return $in_order_show;
1109: }
1110:
1.11 albertel 1111: sub start_part {
1.159 albertel 1112: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1113: my $result='';
1114: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
1115: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
1116: $Apache::inputtags::part=$id;
1.177 albertel 1117: push(@Apache::inputtags::partlist,$id);
1118: @Apache::inputtags::response=();
1.159 albertel 1119: @Apache::inputtags::previous=();
1120: @Apache::inputtags::previous_version=();
1.241 albertel 1121: $Apache::lonhomework::problemstatus=&get_problem_status($id);
1.159 albertel 1122: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 1123: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
1124: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 1125: my $in_order_show=&ordered_show_check();
1.214 albertel 1126: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 1127: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 1128: &Apache::run::run($expression,$safeeval);
1.159 albertel 1129:
1130: if ($target eq 'meta') {
1.224 www 1131: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
1132: return &Apache::response::mandatory_part_meta.
1133: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 1134: } elsif ($target eq 'web' || $target eq 'grade' ||
1135: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 1136: if ($hidden || !$in_order_show) {
1.159 albertel 1137: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
1138: } else {
1139: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1140: push (@Apache::inputtags::status,$status);
1141: my $expression='$external::datestatus="'.$status.'";';
1142: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
1143: &Apache::run::run($expression,$safeeval);
1.284 albertel 1144: if ($env{'request.state'} eq 'construct') {
1.241 albertel 1145: &set_problem_state($Apache::inputtags::part);
1.240 albertel 1146: }
1.216 albertel 1147: if (( $status eq 'CLOSED' ) ||
1148: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1149: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 1150: ( $status eq 'BANNED') ||
1151: ( $status eq 'UNAVAILABLE') ||
1152: ( $status eq 'INVALID_ACCESS')) {
1.159 albertel 1153: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
1154: if ( $target eq "web" ) {
1.211 albertel 1155: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 1156: } elsif ( $target eq 'tex' ) {
1.284 albertel 1157: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 1158: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 1159: } else {
1.211 albertel 1160: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 1161: }
1.159 albertel 1162: }
1163: } else {
1164: if ($target eq 'tex') {
1.284 albertel 1165: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 1166: if ($$tagstack[-2] eq 'td') {
1167: $result.='\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1168: } else {
1169: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
1170: }
1.195 sakharuk 1171: }
1.159 albertel 1172: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 1173: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 1174: my @allkeys = split /,/,$allkeys;
1175: my $allow_print_points = 0;
1176: foreach my $partial_key (@allkeys) {
1.230 albertel 1177: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 1178: if ($1 ne '0') {$allow_print_points=1;}
1179: }
1180: }
1.275 albertel 1181: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1182: if (defined($maxtries) && $maxtries < 0) {
1183: $allow_print_points=0;
1184: }
1.222 sakharuk 1185: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.233 www 1186: } elsif ($target eq 'web') {
1187: $result.='<a name="'.&Apache::lonnet::escape($Apache::inputtags::part).'" />';
1.159 albertel 1188: }
1189: }
1190: }
1191: } elsif ($target eq 'edit') {
1192: $result.=&Apache::edit::tag_start($target,$token);
1193: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
1194: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 1195: ' '.
1196: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 1197: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1198: } elsif ($target eq 'modified') {
1199: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 1200: $safeeval,'id','display');
1.159 albertel 1201: if ($constructtag) {
1.225 albertel 1202: #limiting ids to only letters numbers, and space
1.224 www 1203: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 1204: $result = &Apache::edit::rebuild_tag($token);
1205: $result.=&Apache::edit::handle_insert();
1206: }
1207: }
1208: return $result;
1.11 albertel 1209: }
1210:
1211: sub end_part {
1.159 albertel 1212: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1213: &Apache::lonxml::debug("in end_part $target ");
1214: my $status=$Apache::inputtags::status['-1'];
1215: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 1216: my $in_order_show=&ordered_show_check();
1.159 albertel 1217: my $result='';
1218: if ( $target eq 'meta' ) {
1219: $result='';
1.249 albertel 1220: } elsif ($target eq 'grade') {
1221: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 1222: !$hidden && $in_order_show) {
1.249 albertel 1223: $result=&Apache::inputtags::grade;
1224: } else {
1225: # move any submission data to .hidden
1226: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1227: }
1.283 albertel 1228: } elsif (($target eq 'web' || $target eq 'tex') &&
1229: !$hidden && $in_order_show) {
1.159 albertel 1230: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1231: $target);
1.212 albertel 1232: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1233: $gradestatus='';
1234: }
1.159 albertel 1235: $result=$gradestatus;
1.265 sakharuk 1236: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 1237: } elsif ($target eq 'edit') {
1238: $result=&Apache::edit::end_table();
1.159 albertel 1239: }
1240: pop @Apache::inputtags::status;
1241: $Apache::inputtags::part='';
1242: return $result;
1.11 albertel 1243: }
1.1 albertel 1244:
1.25 albertel 1245: sub start_preduedate {
1.159 albertel 1246: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1247: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.236 albertel 1248: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.159 albertel 1249: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 1250: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1251: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.159 albertel 1252: &Apache::lonxml::get_all_text("/preduedate",$parser);
1253: }
1.24 albertel 1254: }
1.159 albertel 1255: return '';
1.24 albertel 1256: }
1257:
1.25 albertel 1258: sub end_preduedate {
1.159 albertel 1259: return '';
1.24 albertel 1260: }
1261:
1.25 albertel 1262: sub start_postanswerdate {
1.159 albertel 1263: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.234 albertel 1264: if ($target eq 'web' || $target eq 'grade') {
1.159 albertel 1265: if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
1266: &Apache::lonxml::get_all_text("/postanswerdate",$parser);
1267: }
1268: } elsif ($target eq 'tex') {
1.234 albertel 1269: &Apache::lonxml::get_all_text("/postanswerdate",$parser);
1.159 albertel 1270: }
1271: return '';
1.24 albertel 1272: }
1273:
1.25 albertel 1274: sub end_postanswerdate {
1.159 albertel 1275: return '';
1.24 albertel 1276: }
1277:
1.25 albertel 1278: sub start_notsolved {
1.159 albertel 1279: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1280: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1281: $target eq 'tex') {
1282: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1283: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 1284: if ($gradestatus =~ /^correct/ &&
1285: &Apache::response::show_answer()) {
1.159 albertel 1286: &Apache::lonxml::debug("skipping");
1287: &Apache::lonxml::get_all_text("/notsolved",$parser);
1288: }
1.24 albertel 1289: }
1.159 albertel 1290: return '';
1.24 albertel 1291: }
1292:
1.25 albertel 1293: sub end_notsolved {
1.159 albertel 1294: return '';
1.24 albertel 1295: }
1296:
1297: sub start_solved {
1.159 albertel 1298: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1299: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1300: $target eq 'tex') {
1301: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 1302: if ($gradestatus !~ /^correct/ ||
1303: !&Apache::response::show_answer()) {
1.159 albertel 1304: &Apache::lonxml::get_all_text("/solved",$parser);
1305: }
1.24 albertel 1306: }
1.159 albertel 1307: return '';
1.24 albertel 1308: }
1309:
1310: sub end_solved {
1.248 albertel 1311: return '';
1312: }
1313:
1314: sub start_problemtype {
1315: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1316: my $result;
1317: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1318: $target eq 'tex' || $target eq 'analyze') {
1319: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
1320: if (!defined($mode)) { $mode='show'; }
1321: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
1322: my $found=0;
1323: foreach my $type (split(',',$for)) {
1324: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
1325: }
1326: if ($mode eq 'show' && !$found) {
1327: &Apache::lonxml::get_all_text("/problemtype",$parser);
1328: }
1329: if ($mode eq 'hide' && $found) {
1330: &Apache::lonxml::get_all_text("/problemtype",$parser);
1331: }
1332: } elsif ($target eq 'edit') {
1333: $result .=&Apache::edit::tag_start($target,$token);
1334: $result.=&Apache::edit::select_arg('Mode:','mode',
1335: [['show','Show'],
1336: ['hide','Hide']]
1337: ,$token);
1338: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1339: [ ['exam','Exam/Quiz Problem'],
1340: ['survey','Survey'],
1341: ['problem','Homework Problem'] ]
1342: ,$token);
1343: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1344: } elsif ($target eq 'modified') {
1345: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1346: $safeeval,'mode','for');
1347: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1348: }
1349: return $result;
1350: }
1351:
1352: sub end_problemtype {
1.159 albertel 1353: return '';
1.24 albertel 1354: }
1.34 albertel 1355:
1356: sub start_startouttext {
1.159 albertel 1357: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1358: my @result=(''.'');
1359: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1360: return (@result);
1.34 albertel 1361: }
1.159 albertel 1362:
1.34 albertel 1363: sub end_startouttext {
1.159 albertel 1364: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1365: my $result='';
1366: my $text='';
1367:
1368: if ($target eq 'edit') {
1369: $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1.211 albertel 1370: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1371: <td>".&mt('Delete:').
1.159 albertel 1372: &Apache::edit::deletelist($target,$token)
1373: ."</td>
1.42 albertel 1374: <td>".
1.159 albertel 1375: &Apache::edit::insertlist($target,$token).
1376: &Apache::edit::end_row().
1377: &Apache::edit::start_spanning_row()."\n"
1.188 bowersj2 1378: . &Apache::loncommon::helpLatexCheatsheet () .
1.255 www 1379: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 1380: }
1381: if ($target eq 'modified') {
1.219 albertel 1382: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1383: }
1384: if ($target eq 'tex') {
1385: $result .= '\noindent ';
1386: }
1387: return $result;
1.34 albertel 1388: }
1.159 albertel 1389:
1.34 albertel 1390: sub start_endouttext {
1.159 albertel 1391: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1392: my $result='';
1393: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1394: if ($target eq "modified") {
1395: $result='<endouttext />'.
1396: &Apache::edit::handle_insertafter('startouttext'); }
1397: return $result;
1.34 albertel 1398: }
1.159 albertel 1399:
1.34 albertel 1400: sub end_endouttext {
1.159 albertel 1401: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1402: my @result=('','');
1403: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1404: return (@result);
1.34 albertel 1405: }
1.159 albertel 1406:
1.45 albertel 1407: sub delete_startouttext {
1.159 albertel 1408: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1409: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1410: my $text=$$parser['-1']->get_text("/endouttext");
1411: my $ntoken=$$parser['-1']->get_token();
1412: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1413: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1414: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1415: # they did the last time round
1416: &Apache::lonxml::increasedepth($ntoken);
1417: &Apache::lonxml::decreasedepth($ntoken);
1418: return 1;
1.193 www 1419: }
1420:
1421: sub start_simpleeditbutton {
1422: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1423: my $result='';
1.284 albertel 1424: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 1425: ($target eq 'web') &&
1.284 albertel 1426: (&Apache::lonnet::allowed('srm',$env{'request.course.id'}))) {
1427: my $url=$env{'request.noversionuri'};
1.193 www 1428: $url=~s/\?.*$//;
1.278 albertel 1429: my ($symb) = &Apache::lonxml::whichuser();
1.194 www 1430: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.278 albertel 1431: '<a href="'.$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 1432: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1433: }
1434: return $result;
1435: }
1436:
1437: sub end_simpleeditbutton {
1438: return '';
1.45 albertel 1439: }
1.34 albertel 1440:
1.1 albertel 1441: 1;
1442: __END__
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