Annotation of loncom/homework/structuretags.pm, revision 1.227.2.1
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.227.2.1! albertel 4: # $Id: structuretags.pm,v 1.227 2003/11/26 19:35:28 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: #
1.33 albertel 28: # 2/19 Guy
1.44 ng 29: # 6/26/2001 fixed extra web display at end of <web></web> tags
1.60 www 30: # 8/17,8/18,8/20 Gerd Kortemeyer
1.54 www 31:
1.133 sakharuk 32:
1.1 albertel 33: package Apache::structuretags;
34:
35: use strict;
36: use Apache::lonnet;
1.101 sakharuk 37: use Apache::File();
1.147 www 38: use Apache::lonmenu;
1.210 albertel 39: use Apache::lonlocal;
1.1 albertel 40:
1.78 harris41 41: BEGIN {
1.193 www 42: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext',
1.197 www 43: 'simpleeditbutton','definetag'));
1.10 albertel 44: }
45:
46: sub start_web {
1.159 albertel 47: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.200 albertel 48: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);
49: if ($target eq 'web') {
50: return $bodytext;
1.159 albertel 51: }
52: return '';
1.10 albertel 53: }
54:
55: sub end_web {
1.44 ng 56: return '';
1.10 albertel 57: }
58:
59: sub start_tex {
1.159 albertel 60: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.198 sakharuk 61: my $result='';
1.200 albertel 62: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);
63: if ($target eq 'tex') {
64: return $bodytext.' ';
1.159 albertel 65: }
1.198 sakharuk 66: return $result;;
1.10 albertel 67: }
68:
69: sub end_tex {
1.44 ng 70: return '';
1.9 albertel 71: }
72:
1.48 albertel 73: sub page_start {
1.159 albertel 74: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
75: my %found;
1.207 albertel 76: foreach my $taginside (@$tagstack) {
1.159 albertel 77: foreach my $taglookedfor ('html','body','form') {
78: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
79: }
80: }
81:
82: my $result;
83: my $head_tag_start;
84: if (!defined($found{'html'})) {
85: $result=&Apache::londefdef::start_html($target,$token,$tagstack,
86: $parstack,$parser,$safeeval);
1.218 albertel 87: $head_tag_start='<head>'.&Apache::lonmenu::registerurl(undef,$target);
1.159 albertel 88: }
89: my $body_tag_start;
90: if (!defined($found{'body'})) {
91: $body_tag_start='<body onLoad="'.&Apache::lonmenu::loadevents().'" '.
92: 'onUnload="'.&Apache::lonmenu::unloadevents().'" ';
93: my $background=&Apache::lonxml::get_param('background',$parstack,
94: $safeeval);
1.199 www 95: if ($ENV{'browser.imagesuppress'} eq 'on') { $background=''; }
1.159 albertel 96: if ($background) {
97: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
98: $background;
99: $body_tag_start.='background="'.$background.'" ';
100: } else {
101: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
102: $safeeval);
1.199 www 103: if (($bgcolor) && ($ENV{'browser.blackwhite'} ne 'on')) {
1.159 albertel 104: $body_tag_start.='bgcolor="'.$bgcolor.'" ';
105: } else {
106: $body_tag_start.='bgcolor="#ffffff"';
107: }
1.199 www 108: }
109: if ($ENV{'browser.fontenhance'} eq 'on') {
110: $body_tag_start.=' style="font-size: x-large;" ';
1.159 albertel 111: }
112: $body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);
113: if ($target eq 'web' && $ENV{'request.state'} ne 'construct') {
1.165 albertel 114: my ($symb,undef,undef,undef,$publicuser)=
115: &Apache::lonxml::whichuser();
116: if ($symb eq '' && !$publicuser) {
1.159 albertel 117: my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
1.211 albertel 118: $help=&mt("Browsing resource, all submissions are temporary.")."<br />";
1.159 albertel 119: $body_tag_start.=$help;
120: }
121: }
122: }
123: my $form_tag_start;
124: if (!defined($found{'form'})) {
125: $form_tag_start='<form name="lonhomework" method="POST" action="'.
126: $ENV{'request.uri'}.'">';
127: }
128: return ($result,$head_tag_start,$body_tag_start,$form_tag_start);
1.105 albertel 129: }
130:
1.141 matthew 131: #use Time::HiRes();
1.105 albertel 132: sub get_resource_name {
1.159 albertel 133: my ($parstack,$safeeval)=@_;
1.204 albertel 134: if (defined($Apache::lonhomework::name)) {
135: return $Apache::lonhomework::name;
136: }
1.159 albertel 137: my $name=&Apache::lonnet::gettitle();
138: if ($name eq '') {
139: $name=&Apache::lonnet::EXT('resource.title');
140: if ($name eq 'con_lost') { $name = ''; }
141: }
1.204 albertel 142: if ($name!~/\S+/) {
143: $name=$ENV{'request.uri'};
1.205 albertel 144: $name=~s-.*/([^/]+)$-$1-;
1.204 albertel 145: }
1.159 albertel 146: $Apache::lonhomework::name=$name;
147: return $name;
1.105 albertel 148: }
149:
150: sub setup_rndseed {
1.159 albertel 151: my ($safeeval)=@_;
152: my $rndseed;
1.162 albertel 153: my ($symb)=&Apache::lonxml::whichuser();
154: if ($ENV{'request.state'} eq "construct" || $symb eq '') {
1.159 albertel 155: $rndseed=$ENV{'form.rndseed'};
156: if (!$rndseed) {
1.162 albertel 157: $rndseed=$Apache::lonhomework::history{'rndseed'};
158: if (!$rndseed) {
159: $rndseed=time;
160: $ENV{'form.rndseed'}=$rndseed;
161: }
162: }
1.210 albertel 163: if ($ENV{'form.resetdata'} eq &mt('New Problem Variation') ||
164: $ENV{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 165: srand(time);
166: $rndseed=int(rand(2100000000));
1.159 albertel 167: $ENV{'form.rndseed'}=$rndseed;
1.180 albertel 168: delete($ENV{'form.resetdata'});
169: delete($ENV{'form.newrandomization'});
1.159 albertel 170: }
1.187 albertel 171: if (defined($rndseed) && $rndseed ne int($rndseed)) {
172: $rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));
173: }
1.221 albertel 174: if ($safeeval) {
175: &Apache::lonxml::debug("Setting rndseed to $rndseed");
176: &Apache::run::run('$external::randomseed='.$rndseed.';',$safeeval);
177: }
1.159 albertel 178: }
179: return $rndseed;
1.105 albertel 180: }
181:
182: sub problem_edit_header {
1.159 albertel 183: return '<input type="hidden" name="submitted" value="edit" />
1.210 albertel 184: <input type="hidden" name="problemmode" value="'.&mt('Edit').'" />
185: <input type="submit" name="problemmode" value="'.&mt('Discard Edits and View').'" />
186: <input type="submit" name="problemmode" value="'.&mt('EditXML').'" />
187: <input type="submit" name="Undo" value="'.&mt('undo').'" /> <hr />
188: <input type="submit" name="submit" value="'.&mt('Submit Changes and Edit').'" />
189: <input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" /><br /><p> </p><table border="0"><tr><td bgcolor="#DDDDDD">
1.105 albertel 190: ';
191: }
192:
193: sub problem_edit_footer {
1.210 albertel 194: return '</td></tr></table><br /><input type="submit" name="submit" value="'.&mt('Submit Changes and Edit').'" />
195: <input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />';
1.105 albertel 196: }
197:
198: sub problem_web_to_edit_header {
1.159 albertel 199: my ($rndseed)=@_;
1.210 albertel 200: my $result.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />
201: <input type="submit" name="problemmode" value="'.&mt('Edit').'" />
202: <input type="submit" name="problemmode" value="'.&mt('EditXML').'" />
203: <input type="submit" name="newrandomization" value="'.&mt('New Randomization').'" />
204: <input type="submit" name="resetdata" value="'.&mt('Reset Submissions').'" />
205: <nobr><input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.175 albertel 206: <input type="text" name="rndseed" width="10" value="'.
207: $rndseed.'"
208: onChange="javascript:document.lonhomework.changerandseed.click()" /></nobr>
1.105 albertel 209: <input type="checkbox" name="showallfoils" ';
1.159 albertel 210: if (defined($ENV{'form.showallfoils'})) { $result.='checked="on"'; }
1.210 albertel 211: $result.= ' />'.&mt(' Show All Foils').'
1.105 albertel 212: <hr />';
1.159 albertel 213: my $numtoanalyze=$ENV{'form.numtoanalyze'};
1.176 albertel 214: if (!$numtoanalyze) { $numtoanalyze=20; }
1.210 albertel 215: $result.= '<input type="submit" name="problemmode" value='.
216: &mt('"Calculate answers').'" /> for
1.136 albertel 217: <input type="text" name="numtoanalyze" value="'.
1.210 albertel 218: $numtoanalyze.'" size="5" /> '.&mt('versions of this problem').
219: '.'.&Apache::loncommon::help_open_topic("Analyze_Problem",
1.176 albertel 220: '',undef,undef,300).
1.210 albertel 221: '<hr />';
1.159 albertel 222: return $result;
1.48 albertel 223: }
224:
1.65 albertel 225: sub initialize_storage {
1.159 albertel 226: %Apache::lonhomework::results=();
1.162 albertel 227: %Apache::lonhomework::history=();
1.159 albertel 228: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.162 albertel 229: if ($ENV{'request.state'} eq 'construct' || $symb eq '') {
1.159 albertel 230: %Apache::lonhomework::history=
231: &Apache::lonnet::tmprestore($ENV{'request.uri'},'',$domain,$name);
232: my ($temp)=keys %Apache::lonhomework::history ;
233: &Apache::lonxml::debug("Return message of $temp");
234: } else {
235: %Apache::lonhomework::history=
236: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
237: }
238: #ignore error conditions
1.67 albertel 239: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 240: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 241: }
242:
243: # -------------------------------------------------------------finalize_storage
244: # Stores away the result has to a student's environment
245: # checks form.grade_ for specific values, other wises stores
246: # to the running users environment
247: sub finalize_storage {
1.159 albertel 248: my $result;
249: my ($temp) = keys %Apache::lonhomework::results;
250: if ( $temp ne '' ) {
251: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.162 albertel 252: if ($ENV{'request.state'} eq 'construct' || $symb eq '') {
253: $Apache::lonhomework::results{'rndseed'}=$ENV{'form.rndseed'};
1.159 albertel 254: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
255: $ENV{'request.uri'},'',$domain,$name);
256: &Apache::lonxml::debug('Construct Store return message:'.$result);
257: } else {
258: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
259: $symb,$courseid,$domain,$name);
260: &Apache::lonxml::debug('Store return message:'.$result);
261: }
1.67 albertel 262: }
1.159 albertel 263: return $result;
1.65 albertel 264: }
265:
266: sub checkout_msg {
1.211 albertel 267: my %lt=&Apache::lonlocal::texthash(
268: 'resource'=>'The resource needs to be checked out',
269: 'id_expln'=>'As a resource gets checked out, a unique timestamped ID is given to it, and a permanent record is left in the system.',
270: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
271: 'checkout'=>'Check out Exam for Viewing',
272: 'checkout?'=>'Check out Exam?');
1.159 albertel 273: return (<<ENDCHECKOUT);
1.211 albertel 274: <h2>$lt{'resource'}</h2>
275: <p>$lt{'id_expln'}</p>
276: <font color="red">
277: <p>$lt{'warning'}</p>
1.91 albertel 278: </font>
279: <form name="checkout" method="POST" action="$ENV{'request.uri'}">
280: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 281: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 282: </form>
283: ENDCHECKOUT
284: }
285:
1.204 albertel 286: sub init_problem_globals {
287: my ($type)=@_;
288: #initialize globals
289: if ($type eq 'problem') {
290: $Apache::inputtags::part='0';
291: @Apache::inputtags::partlist=('0');
292: $Apache::lonhomework::problemstatus=
293: &Apache::lonnet::EXT('resource.0.problemstatus');
294: } else {
295: $Apache::inputtags::part='';
296: @Apache::inputtags::partlist=();
297: $Apache::lonhomework::problemstatus='';
298: }
299: @Apache::inputtags::responselist = ();
300: @Apache::inputtags::importlist = ();
301: @Apache::inputtags::previous=();
302: @Apache::inputtags::previous_version=();
303: $Apache::structuretags::printanswer='No';
304: @Apache::structuretags::whileconds=();
305: @Apache::structuretags::whilebody=();
306: @Apache::structuretags::whileline=();
307: $Apache::lonhomework::scantronmode=0;
308: undef($Apache::lonhomework::name);
309:
310: }
311:
312: sub reset_problem_globals {
313: my ($type)=@_;
314: undef(%Apache::lonhomework::history);
315: undef(%Apache::lonhomework::results);
316: undef($Apache::inputtags::part);
1.208 albertel 317: #don't undef this, lonhomework.pm takes care of this, we use this to
318: #detect if we try to do 2 problems in one file
319: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 320: undef($Apache::lonhomework::name);
321: }
322:
1.9 albertel 323: sub start_problem {
1.159 albertel 324: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19 albertel 325:
1.184 albertel 326: if ( $Apache::inputtags::part ne '' ||
327: $Apache::lonhomework::parsing_a_problem) {
328: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
329: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
1.159 albertel 330: return '';
331: }
1.184 albertel 332:
333: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 334: &init_problem_globals('problem');
1.166 albertel 335:
336: if (defined($ENV{'scantron.maxquest'})) {
337: $Apache::lonhomework::scantronmode=1;
338: }
1.161 albertel 339:
1.159 albertel 340: if ($target ne 'analyze') {
341: &initialize_storage();
342: if ($target eq 'web') {
343: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
344: }
345: $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
346: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
347: }
1.164 albertel 348: if ($Apache::lonhomework::type eq '' ) {
1.159 albertel 349: my $uri=$ENV{'request.uri'};
350: if ($uri=~/\.(\w+)$/) {
351: $Apache::lonhomework::type=$1;
352: &Apache::lonxml::debug("Using type of $1");
353: } else {
354: $Apache::lonhomework::type='problem';
355: &Apache::lonxml::debug("Using default type, problem, :$uri:");
356: }
1.87 albertel 357: }
1.58 www 358:
1.159 albertel 359: #added vars to the scripting enviroment
1.213 albertel 360: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.24 albertel 361: &Apache::run::run($expression,$safeeval);
1.159 albertel 362: my $status;
363: my $accessmsg;
364:
365: #should get back a <html> or the neccesary stuff to start XML/MathML
366: my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
367: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
368: if ($target eq 'tex' and $ENV{'request.symb'} =~ m/\.page_/) {$result='';}
369:
370: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
371: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
372: $target eq 'tex') {
373: #handle exam checkout
374: if ($Apache::lonhomework::type eq 'exam') {
375: my $token=
376: $Apache::lonhomework::history{"resource.0.outtoken"};
377: if (($ENV{'form.doescheckout'}) && (!$token)) {
378: $token=&Apache::lonxml::maketoken();
379: $Apache::lonhomework::history{"resource.0.outtoken"}=
380: $token;
381: }
382: $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 383: }
1.159 albertel 384:
385: #handle rand seed in construction space
386: my $rndseed=&setup_rndseed($safeeval);
1.162 albertel 387: my ($symb)=&Apache::lonxml::whichuser();
1.163 albertel 388: if ($ENV{'request.state'} ne "construct" && $symb eq '') {
1.162 albertel 389: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
390: $rndseed.'" />'.
391: '<input type="submit" name="resetdata"
1.211 albertel 392: value="'.&mt('New Problem Variation').'" />'.
1.164 albertel 393: '<input type="hidden" name="username"
1.185 albertel 394: value="'.$ENV{'form.username'}.'" /> <br />';
1.162 albertel 395: }
1.159 albertel 396: ($status,$accessmsg) = &Apache::lonhomework::check_access('0');
397: push (@Apache::inputtags::status,$status);
398: my $expression='$external::datestatus="'.$status.'";';
399: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
400: &Apache::run::run($expression,$safeeval);
401: &Apache::lonxml::debug("Got $status");
402: if (( $status eq 'CLOSED' ) ||
403: ( $status eq 'UNCHECKEDOUT') ||
404: ( $status eq 'BANNED') ||
1.216 albertel 405: ( $status eq 'UNAVAILABLE') ||
406: ( $status eq 'INVALID_ACCESS')) {
1.159 albertel 407: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
408: if ( $target eq "web" ) {
409: $result.= $head_tag_start.'</head>';
410: my $msg=$body_tag_start;
411: if ($status eq 'UNAVAILABLE') {
1.211 albertel 412: $result.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.159 albertel 413: } else {
1.211 albertel 414: $result.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 415: }
1.216 albertel 416: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.159 albertel 417: $msg.='The problem '.$accessmsg;
418: } elsif ($status eq 'UNCHECKEDOUT') {
419: $msg.=&checkout_msg;
420: }
421: $result.=$msg.'<br />';
422: } elsif ($target eq 'tex') {
423: $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
424: if ($status eq 'UNAVAILABLE') {
1.211 albertel 425: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 426: } else {
1.211 albertel 427: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 428: }
429: }
430: } elsif ($target eq 'web') {
431: my $name= &get_resource_name($parstack,$safeeval);
1.227 albertel 432: $result.="$head_tag_start<title>$name</title></head>
1.158 sakharuk 433: $body_tag_start \n $form_tag_start".
1.227 albertel 434: '<input type="hidden" name="submitted" value="yes" />';
435: # create a page header and exit
436: if ($ENV{'request.state'} eq "construct") {
437: $result.= &problem_web_to_edit_header($ENV{'form.rndseed'});
438: }
439: # if we are viewing someone else preserve that info
440: if (defined $ENV{'form.grade_symb'}) {
441: foreach my $field ('symb','courseid','domain','username') {
442: $result .= '<input type="hidden" name="grade_'.$field.
443: '" value="'.$ENV{"form.grade_$field"}.'" />'."\n";
1.159 albertel 444: }
445: }
446: } elsif ($target eq 'tex') {
1.192 sakharuk 447: my $startminipage = '';
1.191 sakharuk 448: if (not $ENV{'form.problem_split'}=~/yes/) {
1.192 sakharuk 449: $startminipage = '\begin{minipage}{\textwidth}';
1.178 sakharuk 450: }
1.159 albertel 451: my $id = $Apache::inputtags::part;
452: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.223 sakharuk 453: my $packages=&Apache::lonnet::metadata($ENV{'request.uri'},'packages');
454: my @packages = split /,/,$packages;
455: my $allow_print_points = 0;
456: foreach my $partial_key (@packages) {
1.227.2.1! albertel 457: if ($partial_key=~m/^part_0$/) {
1.223 sakharuk 458: $allow_print_points=1;
1.159 albertel 459: }
460: }
461: my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");
462: $duedate = POSIX::strftime("%c",localtime($duedate));
463: my $temp_file;
464: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
465: if (-e $filename) {
466: $temp_file = Apache::File->new($filename);
467: } else {
468: $temp_file = Apache::File->new('>>'.$filename);
469: }
470: my @due_file_content = <$temp_file>;
471: my $due_file_content = $due_file_content[$#due_file_content];
472: chomp $due_file_content;
473: my $name_of_resourse= &get_resource_name($parstack,$safeeval);
474: if ($due_file_content ne $duedate) {
475: $temp_file = Apache::File->new('>'.$filename);
476: print $temp_file "$duedate\n";
477: if (not $ENV{'request.symb'} =~ m/\.page_/) {
478: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1.206 sakharuk 479: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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 480: } else {
1.206 sakharuk 481: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
1.159 albertel 482: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
483: }
1.104 sakharuk 484: } else {
1.159 albertel 485: $result .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\';
1.104 sakharuk 486: }
1.101 sakharuk 487: } else {
1.159 albertel 488: if (not $ENV{'request.symb'} =~ m/\.page_/) {
1.206 sakharuk 489: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
1.159 albertel 490: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
491: } else {
492: $result .= '\vskip 1mm \\\\\\\\';
493: }
494: }
1.99 sakharuk 495: }
1.159 albertel 496: } elsif ($target eq 'edit') {
497: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
498: &problem_edit_header();
1.226 albertel 499: $Apache::lonxml::warnings_error_header=
500: &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 501: my $temp=&Apache::edit::insertlist($target,$token);
502: $result.=$temp;
503: } elsif ($target eq 'modified') {
504: $result=$token->[4];
505: $result.=&Apache::edit::handle_insert();
506: } else {
507: # page_start returned a starting result, delete it if we don't need it
508: $result = '';
1.99 sakharuk 509: }
1.159 albertel 510: return $result;
1.9 albertel 511: }
512:
513: sub end_problem {
1.159 albertel 514: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
515: my $result='';
516: my $status=$Apache::inputtags::status['-1'];
517: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
518: $target eq 'tex') {
519: if ( $target eq 'grade' && $Apache::inputtags::part eq '0' &&
520: $status eq 'CAN_ANSWER' ) {
521: # if part is zero, no <part>s existed, so we need to the grading
522: &Apache::inputtags::grade;
523: } elsif ( ($target eq 'web' || $target eq 'tex') &&
524: $Apache::inputtags::part eq '0' &&
525: $status ne 'UNCHECKEDOUT') {
526: # if part is zero, no <part>s existed, so we need show the current
527: # grading status
528: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
529: $result.= $gradestatus;
530: }
531: if (
532: (($target eq 'web') && ($ENV{'request.state'} ne 'construct')) ||
533: ($target eq 'answer') || ($target eq 'tex')
534: ) {
1.227 albertel 535: if ($target ne 'tex' &&
536: $ENV{'form.answer_output_mode'} ne 'tex') {
537: $result.="</form></body>\n";
1.159 albertel 538: }
539: if ($target eq 'web') {
540: $result.=&Apache::lonxml::xmlend();
541: } elsif ($target eq 'tex') {
1.178 sakharuk 542: my $endminipage = '';
1.191 sakharuk 543: if (not $ENV{'form.problem_split'}=~/yes/) {
1.178 sakharuk 544: $endminipage = '\end{minipage}';
545: }
1.174 sakharuk 546: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.159 albertel 547: if (not $ENV{'request.symb'} =~ m/\.page_/) {
1.178 sakharuk 548: $result .= $endminipage.'\end{document} ';
1.159 albertel 549: } else {
550: $result .= '';
551: }
552: }
553: }
554: if ($target eq 'grade') {
555: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
556: &finalize_storage();
557: }
1.172 albertel 558: if ($target eq 'answer' && ($ENV{'request.state'} eq 'construct')
1.173 albertel 559: && $ENV{'form.answer_output_mode'} ne 'tex') {
1.172 albertel 560: $result.='</html>'; # normally we get it from xmlend, but in CSTR
561: # we always show answer mode too.
1.159 albertel 562: }
563: } elsif ($target eq 'meta') {
564: if ($Apache::inputtags::part eq '0') {
1.179 albertel 565: @Apache::inputtags::response=();
1.159 albertel 566: $result=&Apache::response::mandatory_part_meta;
567: }
1.215 albertel 568: $result.=&Apache::response::meta_part_order();
1.159 albertel 569: } elsif ($target eq 'edit') {
570: &Apache::lonxml::debug("in end_problem with $target, edit");
571: $result = &problem_edit_footer();
572: }
1.155 albertel 573:
1.177 albertel 574: if ($ENV{'request.state'} eq 'construct' && $target eq 'web') {
575: &Apache::inputtags::check_for_duplicate_ids();
576: }
1.204 albertel 577:
578: &reset_problem_globals('problem');
1.159 albertel 579:
580: return $result;
1.48 albertel 581: }
582:
1.108 albertel 583:
1.48 albertel 584: sub start_library {
1.159 albertel 585: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
586: my ($result,$head_tag_start,$body_tag_start,$form_tag_start);
1.204 albertel 587: if ($$tagstack[0] eq 'library') { &init_problem_globals('library') };
1.159 albertel 588: if ($target eq 'edit') {
589: ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
590: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
591: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
592: &problem_edit_header();
593: my $temp=&Apache::edit::insertlist($target,$token);
594: $result.=$temp;
595: } elsif ($target eq 'modified') {
596: $result=$token->[4];
597: $result.=&Apache::edit::handle_insert();
598: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
599: $ENV{'request.state'} eq "construct" ) {
600: ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
601: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
602: my $name=&get_resource_name($parstack,$safeeval);
603: my $rndseed=&setup_rndseed($safeeval);
604: $result.="$head_tag_start<title>$name</title></head>
1.105 albertel 605: $body_tag_start \n $form_tag_start".
1.159 albertel 606: '<input type="hidden" name="submitted" value="yes" />';
607: $result.=&problem_web_to_edit_header($rndseed);
608: }
609: return $result;
1.48 albertel 610: }
611:
612: sub end_library {
1.159 albertel 613: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
614: my $result='';
615: if ($target eq 'edit') {
616: $result=&problem_edit_footer();
617: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
618: $ENV{'request.state'} eq "construct") {
619: $result.='</form></body>'.&Apache::lonxml::xmlend();
620: }
1.204 albertel 621: if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };
1.159 albertel 622: return $result;
1.197 www 623: }
624:
625: sub start_definetag {
626: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
627:
628: my $result;
629:
630: my $name = $token->[2]->{'name'};
631: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser);
632: if ($name=~/^\//) {
633: $result=
634: '<br /><table bgcolor="#FFBBBB"><tr><th>END <tt>'.$name.'</tt></th></tr>';
635: } else {
636: $result=
637: '<br /><table bgcolor="#BBFFBB"><tr><th>BEGIN <tt>'.$name.'</tt></th></tr>';
638: }
639: $skip=~s/\</\<\;/gs;
640: $skip=~s/\>/\>\;/gs;
641: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
642: return $result;
643: }
644:
645: sub end_definetag {
646: return '';
1.1 albertel 647: }
648:
649: sub start_block {
1.201 albertel 650: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 651:
652: my $result;
1.1 albertel 653:
1.160 albertel 654: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.131 albertel 655: $target eq 'tex' || $target eq 'analyze') {
1.159 albertel 656: my $code = $token->[2]->{'condition'};
1.201 albertel 657: if (defined($code)) {
1.137 albertel 658: if (!$Apache::lonxml::default_homework_loaded) {
659: &Apache::lonxml::default_homework_load($safeeval);
660: }
1.131 albertel 661: $result = &Apache::run::run($code,$safeeval);
662: &Apache::lonxml::debug("block :$code: returned :$result:");
663: } else {
664: $result='1';
665: }
666: if ( ! $result ) {
1.201 albertel 667: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 668: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
669: }
670: $result='';
671: } elsif ($target eq 'edit') {
672: $result .=&Apache::edit::tag_start($target,$token);
673: $result .=&Apache::edit::text_arg('Test Condition:','condition',
674: $token,40);
675: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
676: } elsif ($target eq 'modified') {
677: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
678: $safeeval,'condition');
679: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 680: }
1.131 albertel 681: return $result;
1.1 albertel 682: }
683:
684: sub end_block {
1.167 www 685: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
686: my $result;
687: if ($target eq "edit") {
688: $result.= &Apache::edit::tag_end($target,$token,'');
689: }
690: return $result;
691: }
692:
693: sub start_languageblock {
1.201 albertel 694: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 695:
696: my $result;
697:
698: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
699: $target eq 'tex' || $target eq 'analyze') {
1.201 albertel 700: my $include = $token->[2]->{'include'};
701: my $exclude = $token->[2]->{'exclude'};
702: my %languages=&Apache::loncommon::display_languages();
703: $result='1';
704: if ($include) {
705: $result='';
706: foreach (split(/\,/,$include)) {
707: if ($languages{$_}) { $result='1'; }
708: }
709: }
710: if ($exclude) {
711: foreach (split(/\,/,$exclude)) {
712: if ($languages{$_}) { $result='0'; }
713: }
714: }
715: if ( ! $result ) {
716: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
717: $style);
718: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
719: }
720: $result='';
1.167 www 721: } elsif ($target eq 'edit') {
722: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 723: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 724: $token,40);
1.211 albertel 725: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 726: $token,40);
727: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
728: } elsif ($target eq 'modified') {
729: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 730: $safeeval,'include',
731: 'exclude');
1.167 www 732: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
733: }
734: return $result;
735: }
736:
737: sub end_languageblock {
1.170 www 738: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
739: my $result;
1.201 albertel 740: if ($target eq "edit") {
1.170 www 741: $result.= &Apache::edit::tag_end($target,$token,'');
742: }
743: return $result;
744: }
745:
746: sub start_instructorcomment {
1.201 albertel 747: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 748:
749: my $result;
750:
751: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
752: $target eq 'tex' || $target eq 'analyze') {
753: $result=($ENV{'request.role'}=~/^(in|cc|au|ca|li)/);
754: if ( ! $result ) {
1.201 albertel 755: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
756: $parser,$style);
1.170 www 757: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
758: }
759: $result='';
760: } elsif ($target eq 'edit') {
761: $result .=&Apache::edit::tag_start($target,$token);
762: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
763: }
764: return $result;
765: }
766:
767: sub end_instructorcomment {
1.159 albertel 768: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 769: my $result;
770: if ($target eq "edit") {
771: $result.= &Apache::edit::tag_end($target,$token,'');
772: }
773: return $result;
1.4 tsai 774: }
775:
776: sub start_while {
1.159 albertel 777: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
778:
1.160 albertel 779: my $result;
1.161 albertel 780: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.160 albertel 781: $target eq 'tex' || $target eq 'analyze') {
782: my $code = $token->[2]->{'condition'};
1.4 tsai 783:
1.160 albertel 784: push( @Apache::structuretags::whileconds, $code);
785: if (!$Apache::lonxml::default_homework_loaded) {
786: &Apache::lonxml::default_homework_load($safeeval);
787: }
788: my $result = &Apache::run::run($code,$safeeval);
1.161 albertel 789: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser);
1.160 albertel 790: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 791: push( @Apache::structuretags::whileline, $token->[5]);
792: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 793: if ( $result ) {
794: &Apache::lonxml::newparser($parser,\$bodytext);
795: }
796: } elsif ($target eq 'edit') {
797: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 798: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 799: $token,40);
800: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
801: } elsif ($target eq 'modified') {
802: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
803: $safeeval,'condition');
804: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 805: }
1.160 albertel 806: return $result;
1.4 tsai 807: }
808:
809: sub end_while {
1.159 albertel 810: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 811: my $result;
812:
813: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
814: $target eq 'tex' || $target eq 'analyze') {
815: my $code = pop(@Apache::structuretags::whileconds);
816: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 817: my $line = pop(@Apache::structuretags::whileline);
818: my $return = &Apache::run::run($code,$safeeval);
819: my $starttime=time;
820: my $error=0;
821: while ($return) {
822: if (time-$starttime >
823: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
824: $return = 0; $error=1; next;
825: }
826: $result.=&Apache::scripttag::xmlparse($bodytext);
827: $return = &Apache::run::run($code,$safeeval);
828: }
829: if ($error) {
1.211 albertel 830: &Apache::lonxml::error('<pre>'.&mt('Code ran too long. It ran for more than').' '.$Apache::lonnet::perlvar{'lonScriptTimeout'}.' '.&mt('seconds occured while running <while$gt; on line').' '.$line.'</pre>');
1.160 albertel 831: }
832: } elsif ($target eq "edit") {
833: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 834: }
1.160 albertel 835: return $result;
1.1 albertel 836: }
1.6 tsai 837:
1.160 albertel 838: # <randomlist show="1">
1.6 tsai 839: # <tag1>..</tag1>
840: # <tag2>..</tag2>
841: # <tag3>..</tag3>
1.160 albertel 842: # ...
1.6 tsai 843: # </randomlist>
844: sub start_randomlist {
1.159 albertel 845: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
846: my $result;
847: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
848: $target eq 'tex' || $target eq 'analyze') {
849: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
850: my $b_parser= HTML::TokeParser->new(\$body);
851: my $b_tok;
852: my @randomlist;
853: my $list_item;
854: while($b_tok = $b_parser->get_token() ) {
855: if($b_tok->[0] eq 'S') { # start tag
856: # get content of the tag until matching end tag
857: # get all text upto the matching tag
858: # and push the content into @randomlist
859: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
860: $b_parser);
861: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
862: push(@randomlist,$list_item);
863: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
864: # $list_item</b>";
865: }
866: if($b_tok->[0] eq 'T') { # text
867: # what to do with text in between tags?
868: # print "<b>TEXT $b_tok->[1]</b><br />";
869: }
870: # if($b_tok->[0] eq 'E') { # end tag, should not happen
871: # print "<b>END-TAG $b_tok->[1]</b><br />";
872: # }
873: }
874: my @idx_arr = (0 .. $#randomlist);
875: &Apache::structuretags::shuffle(\@idx_arr);
876: my $bodytext = '';
877: my $show=$#randomlist;
878: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
879: $showarg--;
880: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
881: for(0 .. $show) {
882: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
883: }
884: &Apache::lonxml::newparser($parser,\$bodytext);
885: } elsif ($target eq 'edit' ) {
886: $result .=&Apache::edit::tag_start($target,$token);
887: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
888: $token,5);
889: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
890: } elsif ($target eq 'modified' ) {
891: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
892: $safeeval,'show');
893: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
894: }
895: return $result;
1.7 tsai 896: }
897:
898: sub shuffle {
899: my $a=shift;
900: my $i;
1.70 albertel 901: if (defined(@$a)) {
1.159 albertel 902: &Apache::response::setrandomnumber();
903: for($i=@$a;--$i;) {
904: my $j=int(&Math::Random::random_uniform() * ($i+1));
905: next if $i == $j;
906: @$a[$i,$j] = @$a[$j,$i];
907: }
1.7 tsai 908: }
1.6 tsai 909: }
910:
911: sub end_randomlist {
1.159 albertel 912: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
913: my $result;
914: if ($target eq 'edit' ) {
915: $result=&Apache::edit::tag_end($target,$token,
916: 'End Randomly Parsed Block');
917: }
918: return $result;
1.6 tsai 919: }
920:
1.11 albertel 921: sub start_part {
1.159 albertel 922: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
923: my $result='';
924: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
925: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
926: $Apache::inputtags::part=$id;
1.177 albertel 927: push(@Apache::inputtags::partlist,$id);
928: @Apache::inputtags::response=();
1.159 albertel 929: @Apache::inputtags::previous=();
930: @Apache::inputtags::previous_version=();
1.169 albertel 931: $Apache::lonhomework::problemstatus=
932: &Apache::lonnet::EXT("resource.$id.problemstatus");
1.159 albertel 933: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.214 albertel 934: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.209 albertel 935: &Apache::run::run($expression,$safeeval);
1.159 albertel 936:
937: if ($target eq 'meta') {
1.224 www 938: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
939: return &Apache::response::mandatory_part_meta.
940: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 941: } elsif ($target eq 'web' || $target eq 'grade' ||
942: $target eq 'answer' || $target eq 'tex') {
943: if ($hidden) {
944: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
945: } else {
946: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
947: push (@Apache::inputtags::status,$status);
948: my $expression='$external::datestatus="'.$status.'";';
949: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
950: &Apache::run::run($expression,$safeeval);
1.216 albertel 951: if (( $status eq 'CLOSED' ) ||
952: ( $status eq 'UNCHECKEDOUT') ||
953: ( $status eq 'BANNED') ||
954: ( $status eq 'UNAVAILABLE') ||
955: ( $status eq 'INVALID_ACCESS')) {
1.159 albertel 956: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
957: if ( $target eq "web" ) {
1.211 albertel 958: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 959: } elsif ( $target eq 'tex' ) {
1.195 sakharuk 960: if (not $ENV{'form.problem_split'}=~/yes/) {
1.211 albertel 961: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 962: } else {
1.211 albertel 963: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 964: }
1.159 albertel 965: }
966: } else {
967: if ($target eq 'tex') {
1.195 sakharuk 968: if (not $ENV{'form.problem_split'}=~/yes/) {
969: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
970: }
1.159 albertel 971: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.227.2.1! albertel 972: my $allkeys=&Apache::lonnet::metadata($ENV{'request.uri'},'packages');
1.222 sakharuk 973: my @allkeys = split /,/,$allkeys;
974: my $allow_print_points = 0;
975: foreach my $partial_key (@allkeys) {
1.227.2.1! albertel 976: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 977: if ($1 ne '0') {$allow_print_points=1;}
978: }
979: }
980: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.159 albertel 981: }
982: }
983: }
984: } elsif ($target eq 'edit') {
985: $result.=&Apache::edit::tag_start($target,$token);
986: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
987: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 988: ' '.
989: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 990: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
991: } elsif ($target eq 'modified') {
992: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 993: $safeeval,'id','display');
1.159 albertel 994: if ($constructtag) {
1.225 albertel 995: #limiting ids to only letters numbers, and space
1.224 www 996: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 997: $result = &Apache::edit::rebuild_tag($token);
998: $result.=&Apache::edit::handle_insert();
999: }
1000: }
1001: return $result;
1.11 albertel 1002: }
1003:
1004: sub end_part {
1.159 albertel 1005: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1006: &Apache::lonxml::debug("in end_part $target ");
1007: my $status=$Apache::inputtags::status['-1'];
1008: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1009: my $result='';
1010: if ( $target eq 'meta' ) {
1011: $result='';
1012: } elsif ( $target eq 'grade' && $status eq 'CAN_ANSWER' && !$hidden) {
1013: $result=&Apache::inputtags::grade;
1014: } elsif (($target eq 'web' || $target eq 'tex') && !$hidden ) {
1015: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1016: $target);
1.212 albertel 1017: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1018: $gradestatus='';
1019: }
1.159 albertel 1020: $result=$gradestatus;
1.181 albertel 1021: } elsif ($target eq 'edit') {
1022: $result=&Apache::edit::end_table();
1.159 albertel 1023: }
1024: pop @Apache::inputtags::status;
1025: $Apache::inputtags::part='';
1026: return $result;
1.11 albertel 1027: }
1.1 albertel 1028:
1.25 albertel 1029: sub start_preduedate {
1.159 albertel 1030: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1031: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1032: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1033: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER' &&
1034: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
1035: &Apache::lonxml::get_all_text("/preduedate",$parser);
1036: }
1.24 albertel 1037: }
1.159 albertel 1038: return '';
1.24 albertel 1039: }
1040:
1.25 albertel 1041: sub end_preduedate {
1.159 albertel 1042: return '';
1.24 albertel 1043: }
1044:
1.25 albertel 1045: sub start_postanswerdate {
1.159 albertel 1046: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1047: if ($target eq 'web' || $target eq 'grade' || $target eq 'tex') {
1048: if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
1049: &Apache::lonxml::get_all_text("/postanswerdate",$parser);
1050: }
1051: } elsif ($target eq 'tex') {
1052: return '\vskip 0 mm \noindent';
1053: }
1054: return '';
1.24 albertel 1055: }
1056:
1.25 albertel 1057: sub end_postanswerdate {
1.159 albertel 1058: return '';
1.24 albertel 1059: }
1060:
1.25 albertel 1061: sub start_notsolved {
1.159 albertel 1062: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1063: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1064: $target eq 'tex') {
1065: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1066: &Apache::lonxml::debug("not solved has :$gradestatus:");
1067: if ($gradestatus =~ /^correct/) {
1068: &Apache::lonxml::debug("skipping");
1069: &Apache::lonxml::get_all_text("/notsolved",$parser);
1070: }
1.24 albertel 1071: }
1.159 albertel 1072: return '';
1.24 albertel 1073: }
1074:
1.25 albertel 1075: sub end_notsolved {
1.159 albertel 1076: return '';
1.24 albertel 1077: }
1078:
1079: sub start_solved {
1.159 albertel 1080: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1081: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1082: $target eq 'tex') {
1083: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1084: if ($gradestatus !~ /^correct/) {
1085: &Apache::lonxml::get_all_text("/solved",$parser);
1086: }
1.24 albertel 1087: }
1.159 albertel 1088: return '';
1.24 albertel 1089: }
1090:
1091: sub end_solved {
1.159 albertel 1092: return '';
1.24 albertel 1093: }
1.34 albertel 1094:
1095: sub start_startouttext {
1.159 albertel 1096: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1097: my @result=(''.'');
1098: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1099: return (@result);
1.34 albertel 1100: }
1.159 albertel 1101:
1.34 albertel 1102: sub end_startouttext {
1.159 albertel 1103: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1104: my $result='';
1105: my $text='';
1106:
1107: if ($target eq 'edit') {
1108: $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1.211 albertel 1109: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1110: <td>".&mt('Delete:').
1.159 albertel 1111: &Apache::edit::deletelist($target,$token)
1112: ."</td>
1.42 albertel 1113: <td>".
1.159 albertel 1114: &Apache::edit::insertlist($target,$token).
1115: &Apache::edit::end_row().
1116: &Apache::edit::start_spanning_row()."\n"
1.188 bowersj2 1117: . &Apache::loncommon::helpLatexCheatsheet () .
1.159 albertel 1118: &Apache::edit::editfield($token->[1],$text,"",80,4);
1119: }
1120: if ($target eq 'modified') {
1.219 albertel 1121: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1122: }
1123: if ($target eq 'tex') {
1124: $result .= '\noindent ';
1125: }
1126: return $result;
1.34 albertel 1127: }
1.159 albertel 1128:
1.34 albertel 1129: sub start_endouttext {
1.159 albertel 1130: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1131: my $result='';
1132: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1133: if ($target eq "modified") {
1134: $result='<endouttext />'.
1135: &Apache::edit::handle_insertafter('startouttext'); }
1136: return $result;
1.34 albertel 1137: }
1.159 albertel 1138:
1.34 albertel 1139: sub end_endouttext {
1.159 albertel 1140: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1141: my @result=('','');
1142: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1143: return (@result);
1.34 albertel 1144: }
1.159 albertel 1145:
1.45 albertel 1146: sub delete_startouttext {
1.159 albertel 1147: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1148: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1149: my $text=$$parser['-1']->get_text("/endouttext");
1150: my $ntoken=$$parser['-1']->get_token();
1151: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1152: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1153: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1154: # they did the last time round
1155: &Apache::lonxml::increasedepth($ntoken);
1156: &Apache::lonxml::decreasedepth($ntoken);
1157: return 1;
1.193 www 1158: }
1159:
1160: sub start_simpleeditbutton {
1161: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1162: my $result='';
1163: if (($target eq 'web') &&
1164: (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
1.220 www 1165: my $url=$ENV{'request.noversionuri'};
1.193 www 1166: $url=~s/\?.*$//;
1.194 www 1167: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.211 albertel 1168: '<a href="'.$url.'/smpedit">'.&mt('Simple Problem Editor').'</a> - '.&mt('Note: it can take up to 10 minutes for changes to take effect for all users.').
1.196 www 1169: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1170: }
1171: return $result;
1172: }
1173:
1174: sub end_simpleeditbutton {
1175: return '';
1.45 albertel 1176: }
1.34 albertel 1177:
1.1 albertel 1178: 1;
1179: __END__
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