Annotation of loncom/homework/structuretags.pm, revision 1.228
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.228 ! www 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 $rndseed;
1.105 albertel 180: }
181:
182: sub problem_edit_header {
1.159 albertel 183: return '<input type="hidden" name="submitted" value="edit" />
1.210 albertel 184: <input type="hidden" name="problemmode" value="'.&mt('Edit').'" />
185: <input type="submit" name="problemmode" value="'.&mt('Discard Edits and View').'" />
186: <input type="submit" name="problemmode" value="'.&mt('EditXML').'" />
187: <input type="submit" name="Undo" value="'.&mt('undo').'" /> <hr />
188: <input type="submit" name="submit" value="'.&mt('Submit Changes and Edit').'" />
1.228 ! www 189: <input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" /><br />'.
! 190: &Apache::loncommon::help_open_topic('Problem_Editor_XML_Index','Problem Editing Help').
! 191: '<table border="0"><tr><td bgcolor="#DDDDDD">';
1.105 albertel 192: }
193:
194: sub problem_edit_footer {
1.210 albertel 195: return '</td></tr></table><br /><input type="submit" name="submit" value="'.&mt('Submit Changes and Edit').'" />
196: <input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />';
1.105 albertel 197: }
198:
199: sub problem_web_to_edit_header {
1.159 albertel 200: my ($rndseed)=@_;
1.210 albertel 201: my $result.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />
202: <input type="submit" name="problemmode" value="'.&mt('Edit').'" />
203: <input type="submit" name="problemmode" value="'.&mt('EditXML').'" />
204: <input type="submit" name="newrandomization" value="'.&mt('New Randomization').'" />
205: <input type="submit" name="resetdata" value="'.&mt('Reset Submissions').'" />
206: <nobr><input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.175 albertel 207: <input type="text" name="rndseed" width="10" value="'.
208: $rndseed.'"
209: onChange="javascript:document.lonhomework.changerandseed.click()" /></nobr>
1.105 albertel 210: <input type="checkbox" name="showallfoils" ';
1.159 albertel 211: if (defined($ENV{'form.showallfoils'})) { $result.='checked="on"'; }
1.228 ! www 212: $result.= ' />'.&mt(' Show All Foils').
! 213: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').
! 214: '<hr />';
1.159 albertel 215: my $numtoanalyze=$ENV{'form.numtoanalyze'};
1.176 albertel 216: if (!$numtoanalyze) { $numtoanalyze=20; }
1.210 albertel 217: $result.= '<input type="submit" name="problemmode" value='.
218: &mt('"Calculate answers').'" /> for
1.136 albertel 219: <input type="text" name="numtoanalyze" value="'.
1.210 albertel 220: $numtoanalyze.'" size="5" /> '.&mt('versions of this problem').
221: '.'.&Apache::loncommon::help_open_topic("Analyze_Problem",
1.176 albertel 222: '',undef,undef,300).
1.210 albertel 223: '<hr />';
1.159 albertel 224: return $result;
1.48 albertel 225: }
226:
1.65 albertel 227: sub initialize_storage {
1.159 albertel 228: %Apache::lonhomework::results=();
1.162 albertel 229: %Apache::lonhomework::history=();
1.159 albertel 230: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.162 albertel 231: if ($ENV{'request.state'} eq 'construct' || $symb eq '') {
1.159 albertel 232: %Apache::lonhomework::history=
233: &Apache::lonnet::tmprestore($ENV{'request.uri'},'',$domain,$name);
234: my ($temp)=keys %Apache::lonhomework::history ;
235: &Apache::lonxml::debug("Return message of $temp");
236: } else {
237: %Apache::lonhomework::history=
238: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
239: }
240: #ignore error conditions
1.67 albertel 241: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 242: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 243: }
244:
245: # -------------------------------------------------------------finalize_storage
246: # Stores away the result has to a student's environment
247: # checks form.grade_ for specific values, other wises stores
248: # to the running users environment
249: sub finalize_storage {
1.159 albertel 250: my $result;
251: my ($temp) = keys %Apache::lonhomework::results;
252: if ( $temp ne '' ) {
253: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.162 albertel 254: if ($ENV{'request.state'} eq 'construct' || $symb eq '') {
255: $Apache::lonhomework::results{'rndseed'}=$ENV{'form.rndseed'};
1.159 albertel 256: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
257: $ENV{'request.uri'},'',$domain,$name);
258: &Apache::lonxml::debug('Construct Store return message:'.$result);
259: } else {
260: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
261: $symb,$courseid,$domain,$name);
262: &Apache::lonxml::debug('Store return message:'.$result);
263: }
1.67 albertel 264: }
1.159 albertel 265: return $result;
1.65 albertel 266: }
267:
268: sub checkout_msg {
1.211 albertel 269: my %lt=&Apache::lonlocal::texthash(
270: 'resource'=>'The resource needs to be checked out',
271: 'id_expln'=>'As a resource gets checked out, a unique timestamped ID is given to it, and a permanent record is left in the system.',
272: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
273: 'checkout'=>'Check out Exam for Viewing',
274: 'checkout?'=>'Check out Exam?');
1.159 albertel 275: return (<<ENDCHECKOUT);
1.211 albertel 276: <h2>$lt{'resource'}</h2>
277: <p>$lt{'id_expln'}</p>
278: <font color="red">
279: <p>$lt{'warning'}</p>
1.91 albertel 280: </font>
281: <form name="checkout" method="POST" action="$ENV{'request.uri'}">
282: <input type="hidden" name="doescheckout" value="yes" />
1.211 albertel 283: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 284: </form>
285: ENDCHECKOUT
286: }
287:
1.204 albertel 288: sub init_problem_globals {
289: my ($type)=@_;
290: #initialize globals
291: if ($type eq 'problem') {
292: $Apache::inputtags::part='0';
293: @Apache::inputtags::partlist=('0');
294: $Apache::lonhomework::problemstatus=
295: &Apache::lonnet::EXT('resource.0.problemstatus');
296: } else {
297: $Apache::inputtags::part='';
298: @Apache::inputtags::partlist=();
299: $Apache::lonhomework::problemstatus='';
300: }
301: @Apache::inputtags::responselist = ();
302: @Apache::inputtags::importlist = ();
303: @Apache::inputtags::previous=();
304: @Apache::inputtags::previous_version=();
305: $Apache::structuretags::printanswer='No';
306: @Apache::structuretags::whileconds=();
307: @Apache::structuretags::whilebody=();
308: @Apache::structuretags::whileline=();
309: $Apache::lonhomework::scantronmode=0;
310: undef($Apache::lonhomework::name);
311:
312: }
313:
314: sub reset_problem_globals {
315: my ($type)=@_;
316: undef(%Apache::lonhomework::history);
317: undef(%Apache::lonhomework::results);
318: undef($Apache::inputtags::part);
1.208 albertel 319: #don't undef this, lonhomework.pm takes care of this, we use this to
320: #detect if we try to do 2 problems in one file
321: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 322: undef($Apache::lonhomework::name);
323: }
324:
1.9 albertel 325: sub start_problem {
1.159 albertel 326: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19 albertel 327:
1.184 albertel 328: if ( $Apache::inputtags::part ne '' ||
329: $Apache::lonhomework::parsing_a_problem) {
330: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
331: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
1.159 albertel 332: return '';
333: }
1.184 albertel 334:
335: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 336: &init_problem_globals('problem');
1.166 albertel 337:
338: if (defined($ENV{'scantron.maxquest'})) {
339: $Apache::lonhomework::scantronmode=1;
340: }
1.161 albertel 341:
1.159 albertel 342: if ($target ne 'analyze') {
343: &initialize_storage();
344: if ($target eq 'web') {
345: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
346: }
347: $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
348: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
349: }
1.164 albertel 350: if ($Apache::lonhomework::type eq '' ) {
1.159 albertel 351: my $uri=$ENV{'request.uri'};
352: if ($uri=~/\.(\w+)$/) {
353: $Apache::lonhomework::type=$1;
354: &Apache::lonxml::debug("Using type of $1");
355: } else {
356: $Apache::lonhomework::type='problem';
357: &Apache::lonxml::debug("Using default type, problem, :$uri:");
358: }
1.87 albertel 359: }
1.58 www 360:
1.159 albertel 361: #added vars to the scripting enviroment
1.213 albertel 362: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.24 albertel 363: &Apache::run::run($expression,$safeeval);
1.159 albertel 364: my $status;
365: my $accessmsg;
366:
367: #should get back a <html> or the neccesary stuff to start XML/MathML
368: my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
369: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
370: if ($target eq 'tex' and $ENV{'request.symb'} =~ m/\.page_/) {$result='';}
371:
372: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
373: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
374: $target eq 'tex') {
375: #handle exam checkout
376: if ($Apache::lonhomework::type eq 'exam') {
377: my $token=
378: $Apache::lonhomework::history{"resource.0.outtoken"};
379: if (($ENV{'form.doescheckout'}) && (!$token)) {
380: $token=&Apache::lonxml::maketoken();
381: $Apache::lonhomework::history{"resource.0.outtoken"}=
382: $token;
383: }
384: $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 385: }
1.159 albertel 386:
387: #handle rand seed in construction space
388: my $rndseed=&setup_rndseed($safeeval);
1.162 albertel 389: my ($symb)=&Apache::lonxml::whichuser();
1.163 albertel 390: if ($ENV{'request.state'} ne "construct" && $symb eq '') {
1.162 albertel 391: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
392: $rndseed.'" />'.
393: '<input type="submit" name="resetdata"
1.211 albertel 394: value="'.&mt('New Problem Variation').'" />'.
1.164 albertel 395: '<input type="hidden" name="username"
1.185 albertel 396: value="'.$ENV{'form.username'}.'" /> <br />';
1.162 albertel 397: }
1.159 albertel 398: ($status,$accessmsg) = &Apache::lonhomework::check_access('0');
399: push (@Apache::inputtags::status,$status);
400: my $expression='$external::datestatus="'.$status.'";';
401: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
402: &Apache::run::run($expression,$safeeval);
403: &Apache::lonxml::debug("Got $status");
404: if (( $status eq 'CLOSED' ) ||
405: ( $status eq 'UNCHECKEDOUT') ||
406: ( $status eq 'BANNED') ||
1.216 albertel 407: ( $status eq 'UNAVAILABLE') ||
408: ( $status eq 'INVALID_ACCESS')) {
1.159 albertel 409: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
410: if ( $target eq "web" ) {
411: $result.= $head_tag_start.'</head>';
412: my $msg=$body_tag_start;
413: if ($status eq 'UNAVAILABLE') {
1.211 albertel 414: $result.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
1.159 albertel 415: } else {
1.211 albertel 416: $result.='<h1>'.&mt('Not open to be viewed').'</h1>';
1.159 albertel 417: }
1.216 albertel 418: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.159 albertel 419: $msg.='The problem '.$accessmsg;
420: } elsif ($status eq 'UNCHECKEDOUT') {
421: $msg.=&checkout_msg;
422: }
423: $result.=$msg.'<br />';
424: } elsif ($target eq 'tex') {
425: $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
426: if ($status eq 'UNAVAILABLE') {
1.211 albertel 427: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 428: } else {
1.211 albertel 429: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 430: }
431: }
432: } elsif ($target eq 'web') {
433: my $name= &get_resource_name($parstack,$safeeval);
1.227 albertel 434: $result.="$head_tag_start<title>$name</title></head>
1.158 sakharuk 435: $body_tag_start \n $form_tag_start".
1.227 albertel 436: '<input type="hidden" name="submitted" value="yes" />';
437: # create a page header and exit
438: if ($ENV{'request.state'} eq "construct") {
439: $result.= &problem_web_to_edit_header($ENV{'form.rndseed'});
440: }
441: # if we are viewing someone else preserve that info
442: if (defined $ENV{'form.grade_symb'}) {
443: foreach my $field ('symb','courseid','domain','username') {
444: $result .= '<input type="hidden" name="grade_'.$field.
445: '" value="'.$ENV{"form.grade_$field"}.'" />'."\n";
1.159 albertel 446: }
447: }
448: } elsif ($target eq 'tex') {
1.192 sakharuk 449: my $startminipage = '';
1.191 sakharuk 450: if (not $ENV{'form.problem_split'}=~/yes/) {
1.192 sakharuk 451: $startminipage = '\begin{minipage}{\textwidth}';
1.178 sakharuk 452: }
1.159 albertel 453: my $id = $Apache::inputtags::part;
454: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.223 sakharuk 455: my $packages=&Apache::lonnet::metadata($ENV{'request.uri'},'packages');
456: my @packages = split /,/,$packages;
457: my $allow_print_points = 0;
458: foreach my $partial_key (@packages) {
459: if ($partial_key=~m/part_0/) {
460: $allow_print_points=1;
1.159 albertel 461: }
462: }
463: my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");
464: $duedate = POSIX::strftime("%c",localtime($duedate));
465: my $temp_file;
466: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
467: if (-e $filename) {
468: $temp_file = Apache::File->new($filename);
469: } else {
470: $temp_file = Apache::File->new('>>'.$filename);
471: }
472: my @due_file_content = <$temp_file>;
473: my $due_file_content = $due_file_content[$#due_file_content];
474: chomp $due_file_content;
475: my $name_of_resourse= &get_resource_name($parstack,$safeeval);
476: if ($due_file_content ne $duedate) {
477: $temp_file = Apache::File->new('>'.$filename);
478: print $temp_file "$duedate\n";
479: if (not $ENV{'request.symb'} =~ m/\.page_/) {
480: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1.206 sakharuk 481: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent\textit{Due date: '.$duedate.'} \vskip 1 mm\noindent '.$startminipage.'\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1.159 albertel 482: } else {
1.206 sakharuk 483: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
1.159 albertel 484: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
485: }
1.104 sakharuk 486: } else {
1.159 albertel 487: $result .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\';
1.104 sakharuk 488: }
1.101 sakharuk 489: } else {
1.159 albertel 490: if (not $ENV{'request.symb'} =~ m/\.page_/) {
1.206 sakharuk 491: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
1.159 albertel 492: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
493: } else {
494: $result .= '\vskip 1mm \\\\\\\\';
495: }
496: }
1.99 sakharuk 497: }
1.159 albertel 498: } elsif ($target eq 'edit') {
499: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
500: &problem_edit_header();
1.226 albertel 501: $Apache::lonxml::warnings_error_header=
502: &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 503: my $temp=&Apache::edit::insertlist($target,$token);
504: $result.=$temp;
505: } elsif ($target eq 'modified') {
506: $result=$token->[4];
507: $result.=&Apache::edit::handle_insert();
508: } else {
509: # page_start returned a starting result, delete it if we don't need it
510: $result = '';
1.99 sakharuk 511: }
1.159 albertel 512: return $result;
1.9 albertel 513: }
514:
515: sub end_problem {
1.159 albertel 516: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
517: my $result='';
518: my $status=$Apache::inputtags::status['-1'];
519: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
520: $target eq 'tex') {
521: if ( $target eq 'grade' && $Apache::inputtags::part eq '0' &&
522: $status eq 'CAN_ANSWER' ) {
523: # if part is zero, no <part>s existed, so we need to the grading
524: &Apache::inputtags::grade;
525: } elsif ( ($target eq 'web' || $target eq 'tex') &&
526: $Apache::inputtags::part eq '0' &&
527: $status ne 'UNCHECKEDOUT') {
528: # if part is zero, no <part>s existed, so we need show the current
529: # grading status
530: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
531: $result.= $gradestatus;
532: }
533: if (
534: (($target eq 'web') && ($ENV{'request.state'} ne 'construct')) ||
535: ($target eq 'answer') || ($target eq 'tex')
536: ) {
1.227 albertel 537: if ($target ne 'tex' &&
538: $ENV{'form.answer_output_mode'} ne 'tex') {
539: $result.="</form></body>\n";
1.159 albertel 540: }
541: if ($target eq 'web') {
542: $result.=&Apache::lonxml::xmlend();
543: } elsif ($target eq 'tex') {
1.178 sakharuk 544: my $endminipage = '';
1.191 sakharuk 545: if (not $ENV{'form.problem_split'}=~/yes/) {
1.178 sakharuk 546: $endminipage = '\end{minipage}';
547: }
1.174 sakharuk 548: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.159 albertel 549: if (not $ENV{'request.symb'} =~ m/\.page_/) {
1.178 sakharuk 550: $result .= $endminipage.'\end{document} ';
1.159 albertel 551: } else {
552: $result .= '';
553: }
554: }
555: }
556: if ($target eq 'grade') {
557: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
558: &finalize_storage();
559: }
1.172 albertel 560: if ($target eq 'answer' && ($ENV{'request.state'} eq 'construct')
1.173 albertel 561: && $ENV{'form.answer_output_mode'} ne 'tex') {
1.172 albertel 562: $result.='</html>'; # normally we get it from xmlend, but in CSTR
563: # we always show answer mode too.
1.159 albertel 564: }
565: } elsif ($target eq 'meta') {
566: if ($Apache::inputtags::part eq '0') {
1.179 albertel 567: @Apache::inputtags::response=();
1.159 albertel 568: $result=&Apache::response::mandatory_part_meta;
569: }
1.215 albertel 570: $result.=&Apache::response::meta_part_order();
1.159 albertel 571: } elsif ($target eq 'edit') {
572: &Apache::lonxml::debug("in end_problem with $target, edit");
573: $result = &problem_edit_footer();
574: }
1.155 albertel 575:
1.177 albertel 576: if ($ENV{'request.state'} eq 'construct' && $target eq 'web') {
577: &Apache::inputtags::check_for_duplicate_ids();
578: }
1.204 albertel 579:
580: &reset_problem_globals('problem');
1.159 albertel 581:
582: return $result;
1.48 albertel 583: }
584:
1.108 albertel 585:
1.48 albertel 586: sub start_library {
1.159 albertel 587: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
588: my ($result,$head_tag_start,$body_tag_start,$form_tag_start);
1.204 albertel 589: if ($$tagstack[0] eq 'library') { &init_problem_globals('library') };
1.159 albertel 590: if ($target eq 'edit') {
591: ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
592: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
593: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
594: &problem_edit_header();
595: my $temp=&Apache::edit::insertlist($target,$token);
596: $result.=$temp;
597: } elsif ($target eq 'modified') {
598: $result=$token->[4];
599: $result.=&Apache::edit::handle_insert();
600: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
601: $ENV{'request.state'} eq "construct" ) {
602: ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
603: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
604: my $name=&get_resource_name($parstack,$safeeval);
605: my $rndseed=&setup_rndseed($safeeval);
606: $result.="$head_tag_start<title>$name</title></head>
1.105 albertel 607: $body_tag_start \n $form_tag_start".
1.159 albertel 608: '<input type="hidden" name="submitted" value="yes" />';
609: $result.=&problem_web_to_edit_header($rndseed);
610: }
611: return $result;
1.48 albertel 612: }
613:
614: sub end_library {
1.159 albertel 615: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
616: my $result='';
617: if ($target eq 'edit') {
618: $result=&problem_edit_footer();
619: } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
620: $ENV{'request.state'} eq "construct") {
621: $result.='</form></body>'.&Apache::lonxml::xmlend();
622: }
1.204 albertel 623: if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };
1.159 albertel 624: return $result;
1.197 www 625: }
626:
627: sub start_definetag {
628: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
629:
630: my $result;
631:
632: my $name = $token->[2]->{'name'};
633: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser);
634: if ($name=~/^\//) {
635: $result=
636: '<br /><table bgcolor="#FFBBBB"><tr><th>END <tt>'.$name.'</tt></th></tr>';
637: } else {
638: $result=
639: '<br /><table bgcolor="#BBFFBB"><tr><th>BEGIN <tt>'.$name.'</tt></th></tr>';
640: }
641: $skip=~s/\</\<\;/gs;
642: $skip=~s/\>/\>\;/gs;
643: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
644: return $result;
645: }
646:
647: sub end_definetag {
648: return '';
1.1 albertel 649: }
650:
651: sub start_block {
1.201 albertel 652: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 653:
654: my $result;
1.1 albertel 655:
1.160 albertel 656: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.131 albertel 657: $target eq 'tex' || $target eq 'analyze') {
1.159 albertel 658: my $code = $token->[2]->{'condition'};
1.201 albertel 659: if (defined($code)) {
1.137 albertel 660: if (!$Apache::lonxml::default_homework_loaded) {
661: &Apache::lonxml::default_homework_load($safeeval);
662: }
1.131 albertel 663: $result = &Apache::run::run($code,$safeeval);
664: &Apache::lonxml::debug("block :$code: returned :$result:");
665: } else {
666: $result='1';
667: }
668: if ( ! $result ) {
1.201 albertel 669: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 670: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
671: }
672: $result='';
673: } elsif ($target eq 'edit') {
674: $result .=&Apache::edit::tag_start($target,$token);
675: $result .=&Apache::edit::text_arg('Test Condition:','condition',
676: $token,40);
677: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
678: } elsif ($target eq 'modified') {
679: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
680: $safeeval,'condition');
681: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 682: }
1.131 albertel 683: return $result;
1.1 albertel 684: }
685:
686: sub end_block {
1.167 www 687: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
688: my $result;
689: if ($target eq "edit") {
690: $result.= &Apache::edit::tag_end($target,$token,'');
691: }
692: return $result;
693: }
694:
695: sub start_languageblock {
1.201 albertel 696: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 697:
698: my $result;
699:
700: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
701: $target eq 'tex' || $target eq 'analyze') {
1.201 albertel 702: my $include = $token->[2]->{'include'};
703: my $exclude = $token->[2]->{'exclude'};
704: my %languages=&Apache::loncommon::display_languages();
705: $result='1';
706: if ($include) {
707: $result='';
708: foreach (split(/\,/,$include)) {
709: if ($languages{$_}) { $result='1'; }
710: }
711: }
712: if ($exclude) {
713: foreach (split(/\,/,$exclude)) {
714: if ($languages{$_}) { $result='0'; }
715: }
716: }
717: if ( ! $result ) {
718: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
719: $style);
720: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
721: }
722: $result='';
1.167 www 723: } elsif ($target eq 'edit') {
724: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 725: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 726: $token,40);
1.211 albertel 727: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 728: $token,40);
729: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
730: } elsif ($target eq 'modified') {
731: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 732: $safeeval,'include',
733: 'exclude');
1.167 www 734: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
735: }
736: return $result;
737: }
738:
739: sub end_languageblock {
1.170 www 740: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
741: my $result;
1.201 albertel 742: if ($target eq "edit") {
1.170 www 743: $result.= &Apache::edit::tag_end($target,$token,'');
744: }
745: return $result;
746: }
747:
748: sub start_instructorcomment {
1.201 albertel 749: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 750:
751: my $result;
752:
753: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
754: $target eq 'tex' || $target eq 'analyze') {
755: $result=($ENV{'request.role'}=~/^(in|cc|au|ca|li)/);
756: if ( ! $result ) {
1.201 albertel 757: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
758: $parser,$style);
1.170 www 759: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
760: }
761: $result='';
762: } elsif ($target eq 'edit') {
763: $result .=&Apache::edit::tag_start($target,$token);
764: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
765: }
766: return $result;
767: }
768:
769: sub end_instructorcomment {
1.159 albertel 770: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 771: my $result;
772: if ($target eq "edit") {
773: $result.= &Apache::edit::tag_end($target,$token,'');
774: }
775: return $result;
1.4 tsai 776: }
777:
778: sub start_while {
1.159 albertel 779: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
780:
1.160 albertel 781: my $result;
1.161 albertel 782: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.160 albertel 783: $target eq 'tex' || $target eq 'analyze') {
784: my $code = $token->[2]->{'condition'};
1.4 tsai 785:
1.160 albertel 786: push( @Apache::structuretags::whileconds, $code);
787: if (!$Apache::lonxml::default_homework_loaded) {
788: &Apache::lonxml::default_homework_load($safeeval);
789: }
790: my $result = &Apache::run::run($code,$safeeval);
1.161 albertel 791: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser);
1.160 albertel 792: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 793: push( @Apache::structuretags::whileline, $token->[5]);
794: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 795: if ( $result ) {
796: &Apache::lonxml::newparser($parser,\$bodytext);
797: }
798: } elsif ($target eq 'edit') {
799: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 800: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 801: $token,40);
802: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
803: } elsif ($target eq 'modified') {
804: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
805: $safeeval,'condition');
806: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 807: }
1.160 albertel 808: return $result;
1.4 tsai 809: }
810:
811: sub end_while {
1.159 albertel 812: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 813: my $result;
814:
815: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
816: $target eq 'tex' || $target eq 'analyze') {
817: my $code = pop(@Apache::structuretags::whileconds);
818: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 819: my $line = pop(@Apache::structuretags::whileline);
820: my $return = &Apache::run::run($code,$safeeval);
821: my $starttime=time;
822: my $error=0;
823: while ($return) {
824: if (time-$starttime >
825: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
826: $return = 0; $error=1; next;
827: }
828: $result.=&Apache::scripttag::xmlparse($bodytext);
829: $return = &Apache::run::run($code,$safeeval);
830: }
831: if ($error) {
1.211 albertel 832: &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 833: }
834: } elsif ($target eq "edit") {
835: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 836: }
1.160 albertel 837: return $result;
1.1 albertel 838: }
1.6 tsai 839:
1.160 albertel 840: # <randomlist show="1">
1.6 tsai 841: # <tag1>..</tag1>
842: # <tag2>..</tag2>
843: # <tag3>..</tag3>
1.160 albertel 844: # ...
1.6 tsai 845: # </randomlist>
846: sub start_randomlist {
1.159 albertel 847: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
848: my $result;
849: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
850: $target eq 'tex' || $target eq 'analyze') {
851: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
852: my $b_parser= HTML::TokeParser->new(\$body);
853: my $b_tok;
854: my @randomlist;
855: my $list_item;
856: while($b_tok = $b_parser->get_token() ) {
857: if($b_tok->[0] eq 'S') { # start tag
858: # get content of the tag until matching end tag
859: # get all text upto the matching tag
860: # and push the content into @randomlist
861: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
862: $b_parser);
863: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
864: push(@randomlist,$list_item);
865: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
866: # $list_item</b>";
867: }
868: if($b_tok->[0] eq 'T') { # text
869: # what to do with text in between tags?
870: # print "<b>TEXT $b_tok->[1]</b><br />";
871: }
872: # if($b_tok->[0] eq 'E') { # end tag, should not happen
873: # print "<b>END-TAG $b_tok->[1]</b><br />";
874: # }
875: }
876: my @idx_arr = (0 .. $#randomlist);
877: &Apache::structuretags::shuffle(\@idx_arr);
878: my $bodytext = '';
879: my $show=$#randomlist;
880: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
881: $showarg--;
882: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
883: for(0 .. $show) {
884: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
885: }
886: &Apache::lonxml::newparser($parser,\$bodytext);
887: } elsif ($target eq 'edit' ) {
888: $result .=&Apache::edit::tag_start($target,$token);
889: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
890: $token,5);
891: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
892: } elsif ($target eq 'modified' ) {
893: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
894: $safeeval,'show');
895: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
896: }
897: return $result;
1.7 tsai 898: }
899:
900: sub shuffle {
901: my $a=shift;
902: my $i;
1.70 albertel 903: if (defined(@$a)) {
1.159 albertel 904: &Apache::response::setrandomnumber();
905: for($i=@$a;--$i;) {
906: my $j=int(&Math::Random::random_uniform() * ($i+1));
907: next if $i == $j;
908: @$a[$i,$j] = @$a[$j,$i];
909: }
1.7 tsai 910: }
1.6 tsai 911: }
912:
913: sub end_randomlist {
1.159 albertel 914: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
915: my $result;
916: if ($target eq 'edit' ) {
917: $result=&Apache::edit::tag_end($target,$token,
918: 'End Randomly Parsed Block');
919: }
920: return $result;
1.6 tsai 921: }
922:
1.11 albertel 923: sub start_part {
1.159 albertel 924: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
925: my $result='';
926: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
927: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
928: $Apache::inputtags::part=$id;
1.177 albertel 929: push(@Apache::inputtags::partlist,$id);
930: @Apache::inputtags::response=();
1.159 albertel 931: @Apache::inputtags::previous=();
932: @Apache::inputtags::previous_version=();
1.169 albertel 933: $Apache::lonhomework::problemstatus=
934: &Apache::lonnet::EXT("resource.$id.problemstatus");
1.159 albertel 935: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.214 albertel 936: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.209 albertel 937: &Apache::run::run($expression,$safeeval);
1.159 albertel 938:
939: if ($target eq 'meta') {
1.224 www 940: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
941: return &Apache::response::mandatory_part_meta.
942: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 943: } elsif ($target eq 'web' || $target eq 'grade' ||
944: $target eq 'answer' || $target eq 'tex') {
945: if ($hidden) {
946: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
947: } else {
948: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
949: push (@Apache::inputtags::status,$status);
950: my $expression='$external::datestatus="'.$status.'";';
951: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
952: &Apache::run::run($expression,$safeeval);
1.216 albertel 953: if (( $status eq 'CLOSED' ) ||
954: ( $status eq 'UNCHECKEDOUT') ||
955: ( $status eq 'BANNED') ||
956: ( $status eq 'UNAVAILABLE') ||
957: ( $status eq 'INVALID_ACCESS')) {
1.159 albertel 958: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
959: if ( $target eq "web" ) {
1.211 albertel 960: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 961: } elsif ( $target eq 'tex' ) {
1.195 sakharuk 962: if (not $ENV{'form.problem_split'}=~/yes/) {
1.211 albertel 963: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 964: } else {
1.211 albertel 965: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 966: }
1.159 albertel 967: }
968: } else {
969: if ($target eq 'tex') {
1.195 sakharuk 970: if (not $ENV{'form.problem_split'}=~/yes/) {
971: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
972: }
1.159 albertel 973: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.222 sakharuk 974: my $allkeys=&Apache::lonnet::metadata($ENV{'request.uri'},'keys');
975: my @allkeys = split /,/,$allkeys;
976: my $allow_print_points = 0;
977: foreach my $partial_key (@allkeys) {
978: if ($partial_key=~m/\_(\d*)\_weight/) {
979: if ($1 ne '0') {$allow_print_points=1;}
980: }
981: }
982: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
1.159 albertel 983: }
984: }
985: }
986: } elsif ($target eq 'edit') {
987: $result.=&Apache::edit::tag_start($target,$token);
988: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
989: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 990: ' '.
991: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 992: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
993: } elsif ($target eq 'modified') {
994: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 995: $safeeval,'id','display');
1.159 albertel 996: if ($constructtag) {
1.225 albertel 997: #limiting ids to only letters numbers, and space
1.224 www 998: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 999: $result = &Apache::edit::rebuild_tag($token);
1000: $result.=&Apache::edit::handle_insert();
1001: }
1002: }
1003: return $result;
1.11 albertel 1004: }
1005:
1006: sub end_part {
1.159 albertel 1007: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1008: &Apache::lonxml::debug("in end_part $target ");
1009: my $status=$Apache::inputtags::status['-1'];
1010: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1011: my $result='';
1012: if ( $target eq 'meta' ) {
1013: $result='';
1014: } elsif ( $target eq 'grade' && $status eq 'CAN_ANSWER' && !$hidden) {
1015: $result=&Apache::inputtags::grade;
1016: } elsif (($target eq 'web' || $target eq 'tex') && !$hidden ) {
1017: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1018: $target);
1.212 albertel 1019: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
1020: $gradestatus='';
1021: }
1.159 albertel 1022: $result=$gradestatus;
1.181 albertel 1023: } elsif ($target eq 'edit') {
1024: $result=&Apache::edit::end_table();
1.159 albertel 1025: }
1026: pop @Apache::inputtags::status;
1027: $Apache::inputtags::part='';
1028: return $result;
1.11 albertel 1029: }
1.1 albertel 1030:
1.25 albertel 1031: sub start_preduedate {
1.159 albertel 1032: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1033: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1034: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1035: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER' &&
1036: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
1037: &Apache::lonxml::get_all_text("/preduedate",$parser);
1038: }
1.24 albertel 1039: }
1.159 albertel 1040: return '';
1.24 albertel 1041: }
1042:
1.25 albertel 1043: sub end_preduedate {
1.159 albertel 1044: return '';
1.24 albertel 1045: }
1046:
1.25 albertel 1047: sub start_postanswerdate {
1.159 albertel 1048: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1049: if ($target eq 'web' || $target eq 'grade' || $target eq 'tex') {
1050: if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
1051: &Apache::lonxml::get_all_text("/postanswerdate",$parser);
1052: }
1053: } elsif ($target eq 'tex') {
1054: return '\vskip 0 mm \noindent';
1055: }
1056: return '';
1.24 albertel 1057: }
1058:
1.25 albertel 1059: sub end_postanswerdate {
1.159 albertel 1060: return '';
1.24 albertel 1061: }
1062:
1.25 albertel 1063: sub start_notsolved {
1.159 albertel 1064: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1065: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1066: $target eq 'tex') {
1067: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1068: &Apache::lonxml::debug("not solved has :$gradestatus:");
1069: if ($gradestatus =~ /^correct/) {
1070: &Apache::lonxml::debug("skipping");
1071: &Apache::lonxml::get_all_text("/notsolved",$parser);
1072: }
1.24 albertel 1073: }
1.159 albertel 1074: return '';
1.24 albertel 1075: }
1076:
1.25 albertel 1077: sub end_notsolved {
1.159 albertel 1078: return '';
1.24 albertel 1079: }
1080:
1081: sub start_solved {
1.159 albertel 1082: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1083: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1084: $target eq 'tex') {
1085: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1086: if ($gradestatus !~ /^correct/) {
1087: &Apache::lonxml::get_all_text("/solved",$parser);
1088: }
1.24 albertel 1089: }
1.159 albertel 1090: return '';
1.24 albertel 1091: }
1092:
1093: sub end_solved {
1.159 albertel 1094: return '';
1.24 albertel 1095: }
1.34 albertel 1096:
1097: sub start_startouttext {
1.159 albertel 1098: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1099: my @result=(''.'');
1100: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1101: return (@result);
1.34 albertel 1102: }
1.159 albertel 1103:
1.34 albertel 1104: sub end_startouttext {
1.159 albertel 1105: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1106: my $result='';
1107: my $text='';
1108:
1109: if ($target eq 'edit') {
1110: $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1.211 albertel 1111: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
1112: <td>".&mt('Delete:').
1.159 albertel 1113: &Apache::edit::deletelist($target,$token)
1114: ."</td>
1.42 albertel 1115: <td>".
1.159 albertel 1116: &Apache::edit::insertlist($target,$token).
1117: &Apache::edit::end_row().
1118: &Apache::edit::start_spanning_row()."\n"
1.188 bowersj2 1119: . &Apache::loncommon::helpLatexCheatsheet () .
1.159 albertel 1120: &Apache::edit::editfield($token->[1],$text,"",80,4);
1121: }
1122: if ($target eq 'modified') {
1.219 albertel 1123: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 1124: }
1125: if ($target eq 'tex') {
1126: $result .= '\noindent ';
1127: }
1128: return $result;
1.34 albertel 1129: }
1.159 albertel 1130:
1.34 albertel 1131: sub start_endouttext {
1.159 albertel 1132: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1133: my $result='';
1134: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1135: if ($target eq "modified") {
1136: $result='<endouttext />'.
1137: &Apache::edit::handle_insertafter('startouttext'); }
1138: return $result;
1.34 albertel 1139: }
1.159 albertel 1140:
1.34 albertel 1141: sub end_endouttext {
1.159 albertel 1142: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1143: my @result=('','');
1144: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1145: return (@result);
1.34 albertel 1146: }
1.159 albertel 1147:
1.45 albertel 1148: sub delete_startouttext {
1.159 albertel 1149: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1150: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1151: my $text=$$parser['-1']->get_text("/endouttext");
1152: my $ntoken=$$parser['-1']->get_token();
1153: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1154: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1155: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1156: # they did the last time round
1157: &Apache::lonxml::increasedepth($ntoken);
1158: &Apache::lonxml::decreasedepth($ntoken);
1159: return 1;
1.193 www 1160: }
1161:
1162: sub start_simpleeditbutton {
1163: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1164: my $result='';
1165: if (($target eq 'web') &&
1166: (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
1.220 www 1167: my $url=$ENV{'request.noversionuri'};
1.193 www 1168: $url=~s/\?.*$//;
1.194 www 1169: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.211 albertel 1170: '<a href="'.$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 1171: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1172: }
1173: return $result;
1174: }
1175:
1176: sub end_simpleeditbutton {
1177: return '';
1.45 albertel 1178: }
1.34 albertel 1179:
1.1 albertel 1180: 1;
1181: __END__
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