Annotation of loncom/homework/structuretags.pm, revision 1.209
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.209 ! albertel 4: # $Id: structuretags.pm,v 1.208 2003/09/05 02:31:49 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;
1.1 albertel 39:
1.78 harris41 40: BEGIN {
1.193 www 41: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext',
1.197 www 42: 'simpleeditbutton','definetag'));
1.10 albertel 43: }
44:
45: sub start_web {
1.159 albertel 46: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.200 albertel 47: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);
48: if ($target eq 'web') {
49: return $bodytext;
1.159 albertel 50: }
51: return '';
1.10 albertel 52: }
53:
54: sub end_web {
1.44 ng 55: return '';
1.10 albertel 56: }
57:
58: sub start_tex {
1.159 albertel 59: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.198 sakharuk 60: my $result='';
1.200 albertel 61: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);
62: if ($target eq 'tex') {
63: return $bodytext.' ';
1.159 albertel 64: }
1.198 sakharuk 65: return $result;;
1.10 albertel 66: }
67:
68: sub end_tex {
1.44 ng 69: return '';
1.9 albertel 70: }
71:
1.48 albertel 72: sub page_start {
1.159 albertel 73: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
74: my %found;
1.207 albertel 75: foreach my $taginside (@$tagstack) {
1.159 albertel 76: foreach my $taglookedfor ('html','body','form') {
77: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
78: }
79: }
80:
81: my $result;
82: my $head_tag_start;
83: if (!defined($found{'html'})) {
84: $result=&Apache::londefdef::start_html($target,$token,$tagstack,
85: $parstack,$parser,$safeeval);
86: $head_tag_start='<head>'.&Apache::lonmenu::registerurl(undef,$target);
87: }
88: my $body_tag_start;
89: if (!defined($found{'body'})) {
90: $body_tag_start='<body onLoad="'.&Apache::lonmenu::loadevents().'" '.
91: 'onUnload="'.&Apache::lonmenu::unloadevents().'" ';
92: my $background=&Apache::lonxml::get_param('background',$parstack,
93: $safeeval);
1.199 www 94: if ($ENV{'browser.imagesuppress'} eq 'on') { $background=''; }
1.159 albertel 95: if ($background) {
96: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
97: $background;
98: $body_tag_start.='background="'.$background.'" ';
99: } else {
100: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
101: $safeeval);
1.199 www 102: if (($bgcolor) && ($ENV{'browser.blackwhite'} ne 'on')) {
1.159 albertel 103: $body_tag_start.='bgcolor="'.$bgcolor.'" ';
104: } else {
105: $body_tag_start.='bgcolor="#ffffff"';
106: }
1.199 www 107: }
108: if ($ENV{'browser.fontenhance'} eq 'on') {
109: $body_tag_start.=' style="font-size: x-large;" ';
1.159 albertel 110: }
111: $body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);
112: if ($target eq 'web' && $ENV{'request.state'} ne 'construct') {
1.165 albertel 113: my ($symb,undef,undef,undef,$publicuser)=
114: &Apache::lonxml::whichuser();
115: if ($symb eq '' && !$publicuser) {
1.159 albertel 116: my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
1.162 albertel 117: $help="Browsing resource, all submissions are temporary.<br />";
1.159 albertel 118: $body_tag_start.=$help;
119: }
120: }
121: }
122: my $form_tag_start;
123: if (!defined($found{'form'})) {
124: $form_tag_start='<form name="lonhomework" method="POST" action="'.
125: $ENV{'request.uri'}.'">';
126: }
127: return ($result,$head_tag_start,$body_tag_start,$form_tag_start);
1.105 albertel 128: }
129:
1.141 matthew 130: #use Time::HiRes();
1.105 albertel 131: sub get_resource_name {
1.159 albertel 132: my ($parstack,$safeeval)=@_;
1.204 albertel 133: if (defined($Apache::lonhomework::name)) {
134: return $Apache::lonhomework::name;
135: }
1.159 albertel 136: my $name=&Apache::lonnet::gettitle();
137: if ($name eq '') {
138: $name=&Apache::lonnet::EXT('resource.title');
139: if ($name eq 'con_lost') { $name = ''; }
140: }
1.204 albertel 141: if ($name!~/\S+/) {
142: $name=$ENV{'request.uri'};
1.205 albertel 143: $name=~s-.*/([^/]+)$-$1-;
1.204 albertel 144: }
1.159 albertel 145: $Apache::lonhomework::name=$name;
146: return $name;
1.105 albertel 147: }
148:
149: sub setup_rndseed {
1.159 albertel 150: my ($safeeval)=@_;
151: my $rndseed;
1.162 albertel 152: my ($symb)=&Apache::lonxml::whichuser();
153: if ($ENV{'request.state'} eq "construct" || $symb eq '') {
1.159 albertel 154: $rndseed=$ENV{'form.rndseed'};
155: if (!$rndseed) {
1.162 albertel 156: $rndseed=$Apache::lonhomework::history{'rndseed'};
157: if (!$rndseed) {
158: $rndseed=time;
159: $ENV{'form.rndseed'}=$rndseed;
160: }
161: }
1.175 albertel 162: if ($ENV{'form.resetdata'} eq 'New Problem Variation' ||
163: $ENV{'form.newrandomization'} eq 'New Randomization') {
1.190 albertel 164: srand(time);
165: $rndseed=int(rand(2100000000));
1.159 albertel 166: $ENV{'form.rndseed'}=$rndseed;
1.180 albertel 167: delete($ENV{'form.resetdata'});
168: delete($ENV{'form.newrandomization'});
1.159 albertel 169: }
1.187 albertel 170: if (defined($rndseed) && $rndseed ne int($rndseed)) {
171: $rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));
172: }
1.159 albertel 173: &Apache::lonxml::debug("Setting rndseed to $rndseed");
174: &Apache::run::run('$external::randomseed='.$rndseed.';',$safeeval);
175: }
176: return $rndseed;
1.105 albertel 177: }
178:
179: sub problem_edit_header {
1.159 albertel 180: return '<input type="hidden" name="submitted" value="edit" />
1.105 albertel 181: <input type="hidden" name="problemmode" value="Edit" />
182: <input type="submit" name="problemmode" value="Discard Edits and View" />
183: <input type="submit" name="problemmode" value="EditXML" />
184: <input type="submit" name="Undo" value="undo" /> <hr />
1.135 www 185: <input type="submit" name="submit" value="Submit Changes and Edit" />
186: <input type="submit" name="submit" value="Submit Changes and View" /><br /><p> </p><table border="0"><tr><td bgcolor="#DDDDDD">
1.105 albertel 187: ';
188: }
189:
190: sub problem_edit_footer {
1.159 albertel 191: return '</td></tr></table><br /><input type="submit" name="submit" value="Submit Changes and Edit" />
1.105 albertel 192: <input type="submit" name="submit" value="Submit Changes and View" />';
193: }
194:
195: sub problem_web_to_edit_header {
1.159 albertel 196: my ($rndseed)=@_;
197: my $result.='<input type="hidden" name="problemmode" value="View" />
1.105 albertel 198: <input type="submit" name="problemmode" value="Edit" />
199: <input type="submit" name="problemmode" value="EditXML" />
1.175 albertel 200: <input type="submit" name="newrandomization" value="New Randomization" />
1.105 albertel 201: <input type="submit" name="resetdata" value="Reset Submissions" />
1.175 albertel 202: <nobr><input type="submit" name="changerandseed" value="Change Random Seed To:" />
203: <input type="text" name="rndseed" width="10" value="'.
204: $rndseed.'"
205: onChange="javascript:document.lonhomework.changerandseed.click()" /></nobr>
1.105 albertel 206: <input type="checkbox" name="showallfoils" ';
1.159 albertel 207: if (defined($ENV{'form.showallfoils'})) { $result.='checked="on"'; }
208: $result.= ' /> Show All Foils
1.105 albertel 209: <hr />';
1.159 albertel 210: my $numtoanalyze=$ENV{'form.numtoanalyze'};
1.176 albertel 211: if (!$numtoanalyze) { $numtoanalyze=20; }
212: $result.= '<input type="submit" name="problemmode" value="Calculate answers" /> for
1.136 albertel 213: <input type="text" name="numtoanalyze" value="'.
1.176 albertel 214: $numtoanalyze.'" size="5" /> versions of this problem.'.
215: &Apache::loncommon::help_open_topic("Analyze_Problem",
216: '',undef,undef,300).
217: '<hr />';
1.159 albertel 218: return $result;
1.48 albertel 219: }
220:
1.65 albertel 221: sub initialize_storage {
1.159 albertel 222: %Apache::lonhomework::results=();
1.162 albertel 223: %Apache::lonhomework::history=();
1.159 albertel 224: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.162 albertel 225: if ($ENV{'request.state'} eq 'construct' || $symb eq '') {
1.159 albertel 226: %Apache::lonhomework::history=
227: &Apache::lonnet::tmprestore($ENV{'request.uri'},'',$domain,$name);
228: my ($temp)=keys %Apache::lonhomework::history ;
229: &Apache::lonxml::debug("Return message of $temp");
230: } else {
231: %Apache::lonhomework::history=
232: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
233: }
234: #ignore error conditions
1.67 albertel 235: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 236: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 237: }
238:
239: # -------------------------------------------------------------finalize_storage
240: # Stores away the result has to a student's environment
241: # checks form.grade_ for specific values, other wises stores
242: # to the running users environment
243: sub finalize_storage {
1.159 albertel 244: my $result;
245: my ($temp) = keys %Apache::lonhomework::results;
246: if ( $temp ne '' ) {
247: my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
1.162 albertel 248: if ($ENV{'request.state'} eq 'construct' || $symb eq '') {
249: $Apache::lonhomework::results{'rndseed'}=$ENV{'form.rndseed'};
1.159 albertel 250: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
251: $ENV{'request.uri'},'',$domain,$name);
252: &Apache::lonxml::debug('Construct Store return message:'.$result);
253: } else {
254: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
255: $symb,$courseid,$domain,$name);
256: &Apache::lonxml::debug('Store return message:'.$result);
257: }
1.67 albertel 258: }
1.159 albertel 259: return $result;
1.65 albertel 260: }
261:
262: sub checkout_msg {
1.159 albertel 263: return (<<ENDCHECKOUT);
1.65 albertel 264: <h2>The resource needs to be checked out</h2>
265: As a resource gets checked out, a unique timestamped ID is given to it, and a
266: permanent record is left in the system.<p />
267: <font color=red>
268: Checking out resources is subject to course policies, and may exclude future
269: credit even if done erroneously.<p />
1.91 albertel 270: </font>
271: <form name="checkout" method="POST" action="$ENV{'request.uri'}">
272: <input type="hidden" name="doescheckout" value="yes" />
273: <input type="button" name="checkoutbutton" value="Check out Exam for Viewing" onClick="javascript:if (confirm('Check out Exam?')) { document.checkout.submit(); }" />
1.65 albertel 274: </form>
275: ENDCHECKOUT
276: }
277:
1.204 albertel 278: sub init_problem_globals {
279: my ($type)=@_;
280: #initialize globals
281: if ($type eq 'problem') {
282: $Apache::inputtags::part='0';
283: @Apache::inputtags::partlist=('0');
284: $Apache::lonhomework::problemstatus=
285: &Apache::lonnet::EXT('resource.0.problemstatus');
286: } else {
287: $Apache::inputtags::part='';
288: @Apache::inputtags::partlist=();
289: $Apache::lonhomework::problemstatus='';
290: }
291: @Apache::inputtags::responselist = ();
292: @Apache::inputtags::importlist = ();
293: @Apache::inputtags::previous=();
294: @Apache::inputtags::previous_version=();
295: $Apache::structuretags::printanswer='No';
296: @Apache::structuretags::whileconds=();
297: @Apache::structuretags::whilebody=();
298: @Apache::structuretags::whileline=();
299: $Apache::lonhomework::scantronmode=0;
300: undef($Apache::lonhomework::name);
301:
302: }
303:
304: sub reset_problem_globals {
305: my ($type)=@_;
306: undef(%Apache::lonhomework::history);
307: undef(%Apache::lonhomework::results);
308: undef($Apache::inputtags::part);
1.208 albertel 309: #don't undef this, lonhomework.pm takes care of this, we use this to
310: #detect if we try to do 2 problems in one file
311: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 312: undef($Apache::lonhomework::name);
313: }
314:
1.9 albertel 315: sub start_problem {
1.159 albertel 316: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19 albertel 317:
1.184 albertel 318: if ( $Apache::inputtags::part ne '' ||
319: $Apache::lonhomework::parsing_a_problem) {
320: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
321: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
1.159 albertel 322: return '';
323: }
1.184 albertel 324:
325: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 326: &init_problem_globals('problem');
1.166 albertel 327:
328: if (defined($ENV{'scantron.maxquest'})) {
329: $Apache::lonhomework::scantronmode=1;
330: }
1.161 albertel 331:
1.159 albertel 332: if ($target ne 'analyze') {
333: &initialize_storage();
334: if ($target eq 'web') {
335: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
336: }
337: $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
338: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
339: }
1.164 albertel 340: if ($Apache::lonhomework::type eq '' ) {
1.159 albertel 341: my $uri=$ENV{'request.uri'};
342: if ($uri=~/\.(\w+)$/) {
343: $Apache::lonhomework::type=$1;
344: &Apache::lonxml::debug("Using type of $1");
345: } else {
346: $Apache::lonhomework::type='problem';
347: &Apache::lonxml::debug("Using default type, problem, :$uri:");
348: }
1.87 albertel 349: }
1.58 www 350:
1.159 albertel 351: #added vars to the scripting enviroment
352: my $expression='$external::part='.$Apache::inputtags::part.';';
1.24 albertel 353: &Apache::run::run($expression,$safeeval);
1.159 albertel 354: my $status;
355: my $accessmsg;
356:
357: #should get back a <html> or the neccesary stuff to start XML/MathML
358: my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
359: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
360: if ($target eq 'tex' and $ENV{'request.symb'} =~ m/\.page_/) {$result='';}
361:
362: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
363: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
364: $target eq 'tex') {
365: #handle exam checkout
366: if ($Apache::lonhomework::type eq 'exam') {
367: my $token=
368: $Apache::lonhomework::history{"resource.0.outtoken"};
369: if (($ENV{'form.doescheckout'}) && (!$token)) {
370: $token=&Apache::lonxml::maketoken();
371: $Apache::lonhomework::history{"resource.0.outtoken"}=
372: $token;
373: }
374: $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
1.142 albertel 375: }
1.159 albertel 376:
377: #handle rand seed in construction space
378: my $rndseed=&setup_rndseed($safeeval);
1.162 albertel 379: my ($symb)=&Apache::lonxml::whichuser();
1.163 albertel 380: if ($ENV{'request.state'} ne "construct" && $symb eq '') {
1.162 albertel 381: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
382: $rndseed.'" />'.
383: '<input type="submit" name="resetdata"
1.164 albertel 384: value="New Problem Variation" />'.
385: '<input type="hidden" name="username"
1.185 albertel 386: value="'.$ENV{'form.username'}.'" /> <br />';
1.162 albertel 387: }
1.159 albertel 388: ($status,$accessmsg) = &Apache::lonhomework::check_access('0');
389: push (@Apache::inputtags::status,$status);
390: my $expression='$external::datestatus="'.$status.'";';
391: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
392: &Apache::run::run($expression,$safeeval);
393: &Apache::lonxml::debug("Got $status");
394: if (( $status eq 'CLOSED' ) ||
395: ( $status eq 'UNCHECKEDOUT') ||
396: ( $status eq 'BANNED') ||
397: ( $status eq 'UNAVAILABLE')) {
398: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
399: if ( $target eq "web" ) {
400: $result.= $head_tag_start.'</head>';
401: my $msg=$body_tag_start;
402: if ($status eq 'UNAVAILABLE') {
403: $result.='<h1>Unable to determine if this resource is open due to network problems. Please try again later.</h1>';
404: } else {
405: $result.='<h1>Not open to be viewed</h1>';
406: }
407: if ($status eq 'CLOSED') {
408: $msg.='The problem '.$accessmsg;
409: } elsif ($status eq 'UNCHECKEDOUT') {
410: $msg.=&checkout_msg;
411: }
412: $result.=$msg.'<br />';
413: } elsif ($target eq 'tex') {
414: $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
415: if ($status eq 'UNAVAILABLE') {
416: $result.='Unable to determine if this resource is open due to network problems. Please try again later.\vskip 0 mm ';
417: } else {
418: $result.="Problem is not open to be viewed. It $accessmsg \\vskip 0 mm ";
419: }
420: }
421: } elsif ($target eq 'web') {
422: my $name= &get_resource_name($parstack,$safeeval);
423: if ($status eq 'CAN_ANSWER') {
424: # create a page header and exit
425: $result.="$head_tag_start<title>$name</title></head>
1.158 sakharuk 426: $body_tag_start \n $form_tag_start".
1.159 albertel 427: '<input type="hidden" name="submitted" value="yes" />';
428: if ($ENV{'request.state'} eq "construct") {
1.187 albertel 429: $result.= &problem_web_to_edit_header($ENV{'form.rndseed'});
1.159 albertel 430: }
431: # if we are viewing someone else preserve that info
432: if (defined $ENV{'form.grade_symb'}) {
433: foreach my $field ('symb','courseid','domain','username') {
434: $result .= '<input type="hidden" name="grade_'.$field.
435: '" value="'.$ENV{"form.grade_$field"}.'" />'."\n";
436: }
437: }
438: } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER'
439: || $status eq 'CLOSED' || $status eq 'UNAVALAILABLE') {
440: $result.=$head_tag_start.
441: "<title>$name</title></head>\n$body_tag_start\n";
442: }
443: } elsif ($target eq 'tex') {
1.192 sakharuk 444: my $startminipage = '';
1.191 sakharuk 445: if (not $ENV{'form.problem_split'}=~/yes/) {
1.192 sakharuk 446: $startminipage = '\begin{minipage}{\textwidth}';
1.178 sakharuk 447: }
1.159 albertel 448: my $id = $Apache::inputtags::part;
449: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
450: my $allkeys=&Apache::lonnet::metadata($ENV{'request.uri'},'keys');
451: my @allkeys = split /,/,$allkeys;
452: my $allow_print_points = 0;
453: foreach my $partial_key (@allkeys) {
454: if ($partial_key=~m/weight/) {
455: $allow_print_points++;
456: }
457: }
458: my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");
459: $duedate = POSIX::strftime("%c",localtime($duedate));
460: my $temp_file;
461: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
462: if (-e $filename) {
463: $temp_file = Apache::File->new($filename);
464: } else {
465: $temp_file = Apache::File->new('>>'.$filename);
466: }
467: my @due_file_content = <$temp_file>;
468: my $due_file_content = $due_file_content[$#due_file_content];
469: chomp $due_file_content;
470: my $name_of_resourse= &get_resource_name($parstack,$safeeval);
471: if ($due_file_content ne $duedate) {
472: $temp_file = Apache::File->new('>'.$filename);
473: print $temp_file "$duedate\n";
474: if (not $ENV{'request.symb'} =~ m/\.page_/) {
475: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1.206 sakharuk 476: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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 477: } else {
1.206 sakharuk 478: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
1.159 albertel 479: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
480: }
1.104 sakharuk 481: } else {
1.159 albertel 482: $result .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\';
1.104 sakharuk 483: }
1.101 sakharuk 484: } else {
1.159 albertel 485: if (not $ENV{'request.symb'} =~ m/\.page_/) {
1.206 sakharuk 486: $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$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}{'.$name_of_resourse.'}';
1.159 albertel 487: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
488: } else {
489: $result .= '\vskip 1mm \\\\\\\\';
490: }
491: }
1.99 sakharuk 492: }
1.159 albertel 493: } elsif ($target eq 'edit') {
494: $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
495: &problem_edit_header();
496: my $temp=&Apache::edit::insertlist($target,$token);
497: $result.=$temp;
498: } elsif ($target eq 'modified') {
499: $result=$token->[4];
500: $result.=&Apache::edit::handle_insert();
501: } else {
502: # page_start returned a starting result, delete it if we don't need it
503: $result = '';
1.99 sakharuk 504: }
1.159 albertel 505: return $result;
1.9 albertel 506: }
507:
508: sub end_problem {
1.159 albertel 509: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
510: my $result='';
511: my $status=$Apache::inputtags::status['-1'];
512: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
513: $target eq 'tex') {
514: if ( $target eq 'grade' && $Apache::inputtags::part eq '0' &&
515: $status eq 'CAN_ANSWER' ) {
516: # if part is zero, no <part>s existed, so we need to the grading
517: &Apache::inputtags::grade;
518: } elsif ( ($target eq 'web' || $target eq 'tex') &&
519: $Apache::inputtags::part eq '0' &&
520: $status ne 'UNCHECKEDOUT') {
521: # if part is zero, no <part>s existed, so we need show the current
522: # grading status
523: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
524: $result.= $gradestatus;
525: }
526: if (
527: (($target eq 'web') && ($ENV{'request.state'} ne 'construct')) ||
528: ($target eq 'answer') || ($target eq 'tex')
529: ) {
530: if ($status eq 'CAN_ANSWER') {
1.172 albertel 531: if ($target ne 'tex' &&
532: $ENV{'form.answer_output_mode'} ne 'tex') {
533: $result.="</form></body>\n";
1.159 albertel 534: }
535: } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER' ||
536: $status eq 'UNCHECKEDOUT' ) {
1.189 sakharuk 537: if ($target ne 'tex' &&
538: $ENV{'form.answer_output_mode'} ne 'tex') {
1.159 albertel 539: $result.="</body>\n";
540: }
541: }
542: if ($target eq 'web') {
543: $result.=&Apache::lonxml::xmlend();
544: } elsif ($target eq 'tex') {
1.178 sakharuk 545: my $endminipage = '';
1.191 sakharuk 546: if (not $ENV{'form.problem_split'}=~/yes/) {
1.178 sakharuk 547: $endminipage = '\end{minipage}';
548: }
1.174 sakharuk 549: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.159 albertel 550: if (not $ENV{'request.symb'} =~ m/\.page_/) {
1.178 sakharuk 551: $result .= $endminipage.'\end{document} ';
1.159 albertel 552: } else {
553: $result .= '';
554: }
555: }
556: }
557: if ($target eq 'grade') {
558: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
559: &finalize_storage();
560: }
1.172 albertel 561: if ($target eq 'answer' && ($ENV{'request.state'} eq 'construct')
1.173 albertel 562: && $ENV{'form.answer_output_mode'} ne 'tex') {
1.172 albertel 563: $result.='</html>'; # normally we get it from xmlend, but in CSTR
564: # we always show answer mode too.
1.159 albertel 565: }
566: } elsif ($target eq 'meta') {
567: if ($Apache::inputtags::part eq '0') {
1.179 albertel 568: @Apache::inputtags::response=();
1.159 albertel 569: $result=&Apache::response::mandatory_part_meta;
570: }
571: } elsif ($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);
725: $result .=&Apache::edit::text_arg('Include Language:','include',
726: $token,40);
727: $result .=&Apache::edit::text_arg('Exclude Language:','exclude',
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);
800: $result .=&Apache::edit::text_arg('Test Condition:','condition',
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) {
832: &Apache::lonxml::error('<pre>Code ran too long. It ran for more than '.$Apache::lonnet::perlvar{'lonScriptTimeout'}.' 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);
1.209 ! albertel 936: my $expression='$external::part='.$Apache::inputtags::part.';';
! 937: &Apache::run::run($expression,$safeeval);
1.159 albertel 938:
939: if ($target eq 'meta') {
940: return &Apache::response::mandatory_part_meta;
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);
951: if ( $status eq 'CLOSED' ) {
952: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
953: if ( $target eq "web" ) {
954: $result="<br />Part is not open to be viewed. It $accessmsg<br />";
955: } elsif ( $target eq 'tex' ) {
1.195 sakharuk 956: if (not $ENV{'form.problem_split'}=~/yes/) {
957: $result="\\end{minipage}\\vskip 0 mm Part is not open to be viewed. It $accessmsg \\\\\\begin{minipage}{\\textwidth}";
958: } else {
959: $result="\\vskip 0 mm Part is not open to be viewed. It $accessmsg \\\\";
960: }
1.159 albertel 961: }
962: } else {
963: if ($target eq 'tex') {
1.195 sakharuk 964: if (not $ENV{'form.problem_split'}=~/yes/) {
965: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
966: }
1.159 albertel 967: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
968: if ($Apache::lonhomework::type eq 'exam') { $result .= '\fbox{\textit{'.$weight.' pt}}';}
969: }
970: }
971: }
972: } elsif ($target eq 'edit') {
973: $result.=&Apache::edit::tag_start($target,$token);
974: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
975: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
976: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
977: } elsif ($target eq 'modified') {
978: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
979: $safeeval,'id');
980: if ($constructtag) {
981: $result = &Apache::edit::rebuild_tag($token);
982: $result.=&Apache::edit::handle_insert();
983: }
984: }
985: return $result;
1.11 albertel 986: }
987:
988: sub end_part {
1.159 albertel 989: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
990: &Apache::lonxml::debug("in end_part $target ");
991: my $status=$Apache::inputtags::status['-1'];
992: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
993: my $result='';
994: if ( $target eq 'meta' ) {
995: $result='';
996: } elsif ( $target eq 'grade' && $status eq 'CAN_ANSWER' && !$hidden) {
997: $result=&Apache::inputtags::grade;
998: } elsif (($target eq 'web' || $target eq 'tex') && !$hidden ) {
999: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
1000: $target);
1001: if ($Apache::lonhomework::type eq 'exam') {$gradestatus='';}
1002: $result=$gradestatus;
1.181 albertel 1003: } elsif ($target eq 'edit') {
1004: $result=&Apache::edit::end_table();
1.159 albertel 1005: }
1006: pop @Apache::inputtags::status;
1007: $Apache::inputtags::part='';
1008: return $result;
1.11 albertel 1009: }
1.1 albertel 1010:
1.25 albertel 1011: sub start_preduedate {
1.159 albertel 1012: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1013: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1014: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1015: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER' &&
1016: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
1017: &Apache::lonxml::get_all_text("/preduedate",$parser);
1018: }
1.24 albertel 1019: }
1.159 albertel 1020: return '';
1.24 albertel 1021: }
1022:
1.25 albertel 1023: sub end_preduedate {
1.159 albertel 1024: return '';
1.24 albertel 1025: }
1026:
1.25 albertel 1027: sub start_postanswerdate {
1.159 albertel 1028: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1029: if ($target eq 'web' || $target eq 'grade' || $target eq 'tex') {
1030: if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
1031: &Apache::lonxml::get_all_text("/postanswerdate",$parser);
1032: }
1033: } elsif ($target eq 'tex') {
1034: return '\vskip 0 mm \noindent';
1035: }
1036: return '';
1.24 albertel 1037: }
1038:
1.25 albertel 1039: sub end_postanswerdate {
1.159 albertel 1040: return '';
1.24 albertel 1041: }
1042:
1.25 albertel 1043: sub start_notsolved {
1.159 albertel 1044: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1045: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1046: $target eq 'tex') {
1047: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1048: &Apache::lonxml::debug("not solved has :$gradestatus:");
1049: if ($gradestatus =~ /^correct/) {
1050: &Apache::lonxml::debug("skipping");
1051: &Apache::lonxml::get_all_text("/notsolved",$parser);
1052: }
1.24 albertel 1053: }
1.159 albertel 1054: return '';
1.24 albertel 1055: }
1056:
1.25 albertel 1057: sub end_notsolved {
1.159 albertel 1058: return '';
1.24 albertel 1059: }
1060:
1061: sub start_solved {
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: if ($gradestatus !~ /^correct/) {
1067: &Apache::lonxml::get_all_text("/solved",$parser);
1068: }
1.24 albertel 1069: }
1.159 albertel 1070: return '';
1.24 albertel 1071: }
1072:
1073: sub end_solved {
1.159 albertel 1074: return '';
1.24 albertel 1075: }
1.34 albertel 1076:
1077: sub start_startouttext {
1.159 albertel 1078: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1079: my @result=(''.'');
1080: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1081: return (@result);
1.34 albertel 1082: }
1.159 albertel 1083:
1.34 albertel 1084: sub end_startouttext {
1.159 albertel 1085: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1086: my $result='';
1087: my $text='';
1088:
1089: if ($target eq 'edit') {
1090: $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1091: $result.=&Apache::edit::start_table($token)."<tr><td>Text Block</td>
1.42 albertel 1092: <td>Delete:".
1.159 albertel 1093: &Apache::edit::deletelist($target,$token)
1094: ."</td>
1.42 albertel 1095: <td>".
1.159 albertel 1096: &Apache::edit::insertlist($target,$token).
1097: &Apache::edit::end_row().
1098: &Apache::edit::start_spanning_row()."\n"
1.188 bowersj2 1099: . &Apache::loncommon::helpLatexCheatsheet () .
1.159 albertel 1100: &Apache::edit::editfield($token->[1],$text,"",80,4);
1101: }
1102: if ($target eq 'modified') {
1103: $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1104: $result='<startouttext />'.&Apache::edit::modifiedfield();
1105: }
1106: if ($target eq 'tex') {
1107: $result .= '\noindent ';
1108: }
1109: return $result;
1.34 albertel 1110: }
1.159 albertel 1111:
1.34 albertel 1112: sub start_endouttext {
1.159 albertel 1113: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1114: my $result='';
1115: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1116: if ($target eq "modified") {
1117: $result='<endouttext />'.
1118: &Apache::edit::handle_insertafter('startouttext'); }
1119: return $result;
1.34 albertel 1120: }
1.159 albertel 1121:
1.34 albertel 1122: sub end_endouttext {
1.159 albertel 1123: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1124: my @result=('','');
1125: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
1126: return (@result);
1.34 albertel 1127: }
1.159 albertel 1128:
1.45 albertel 1129: sub delete_startouttext {
1.159 albertel 1130: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1131: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser);
1132: my $text=$$parser['-1']->get_text("/endouttext");
1133: my $ntoken=$$parser['-1']->get_token();
1134: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
1135: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
1136: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
1137: # they did the last time round
1138: &Apache::lonxml::increasedepth($ntoken);
1139: &Apache::lonxml::decreasedepth($ntoken);
1140: return 1;
1.193 www 1141: }
1142:
1143: sub start_simpleeditbutton {
1144: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1145: my $result='';
1146: if (($target eq 'web') &&
1147: (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
1148: my $url=$ENV{'REQUEST_URI'};
1149: $url=~s/\?.*$//;
1.194 www 1150: $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.196 www 1151: '<a href="'.$url.'/smpedit">Simple Problem Editor</a> - Note: it can take up to 10 minutes for changes to take effect for all users.'.
1152: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
1.193 www 1153: }
1154: return $result;
1155: }
1156:
1157: sub end_simpleeditbutton {
1158: return '';
1.45 albertel 1159: }
1.34 albertel 1160:
1.1 albertel 1161: 1;
1162: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to structuretags.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework