Annotation of loncom/homework/structuretags.pm, revision 1.520
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.520 ! raeburn 4: # $Id: structuretags.pm,v 1.519 2014/05/18 02:13:45 raeburn Exp $
1.74 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.254 www 28: ###
1.54 www 29:
1.435 jms 30: =pod
31:
32: =head1 NAME
33:
34: Apache::structuretags
35:
36: =head1 SYNOPSIS
37:
38:
39: This is part of the LearningOnline Network with CAPA project
40: described at http://www.lon-capa.org.
41:
42:
43: =head1 NOTABLE SUBROUTINES
44:
45: =over
46:
47: =item
48:
49: =back
50:
51: =cut
52:
1.133 sakharuk 53:
1.1 albertel 54: package Apache::structuretags;
55:
56: use strict;
57: use Apache::lonnet;
1.101 sakharuk 58: use Apache::File();
1.147 www 59: use Apache::lonmenu;
1.210 albertel 60: use Apache::lonlocal;
1.231 sakharuk 61: use Apache::lonxml;
1.434 foxr 62: use Apache::londefdef;
1.338 albertel 63: use Apache::lonenc();
1.500 foxr 64: use Apache::loncommon();
1.267 albertel 65: use Time::HiRes qw( gettimeofday tv_interval );
1.356 www 66: use lib '/home/httpd/lib/perl/';
67: use LONCAPA;
68:
1.78 harris41 69: BEGIN {
1.469 www 70: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startpartmarker','startouttext','endpartmarker','endouttext','simpleeditbutton','definetag'));
1.10 albertel 71: }
72:
1.500 foxr 73:
74: #---------------------------------------------------------------------------------
75: #
76: # This section of code deals with hyphenation management.
77: # We must do three things:
78: # - keep track fo the desired languages to alter the header.
79: # - provide hyphenation selection as needed by each language that appears in the
80: # text.
81: # - Provide the header text needed to make available the desired hyphenations.
82: #
83: #
84:
85: # Hash whose keys are the languages encountered in the document/resource.
86: #
87:
88: my %languages_required;
89: ##
90: # Given a language selection as input returns a chunk of LaTeX that
91: # selects the required hyphenator.
92: #
93: # @param language - the language being selected.
94: # @return string
95: # @retval The LaTeX needed to select the hyphenation appropriate to the language.
96: #
97: sub select_hyphenation {
98: my $language = shift;
99:
100: $language = &Apache::loncommon::latexlanguage($language); # Translate -> latex language.
101:
102: # If there is no latex language there's not much we can do:
103:
104: if ($language) {
105: &require_language($language);
106: my $babel_hyphenation = "\\selectlanguage{$language}";
107:
108: return $babel_hyphenation;
109: } else {
110: return '';
111: }
112: }
113: ##
114: # Selects hyphenation based on the current problem metadata.
115: # This requires that
116: # - There is a language metadata item set for the problem.
117: # - The language has a latex/babel hyphenation.
118: #
119: # @note: Uses &Apache::lonxml::request to locate the Uri associated with
120: # this problem.
121: # @return string (possibly empty).
122: # @retval If not empty an appropriate \selectlanguage{} directive.
123: #
124: sub select_metadata_hyphenation {
125: my $uri = $Apache::lonxml::request->uri;
126: my $language = &Apache::lonnet::metadata($uri, 'language');
127: my $latex_language = &Apache::loncommon::latexhyphenation($language);
128: if ($latex_language) {
129: return '\selectlanguage{'.$latex_language."}\n";
130: }
131: return ''; # no latex hyphenation or no lang metadata.
132: }
133:
134:
135: ##
136: # Clears the set of languages required by the document being rendered.
137: #
138: sub clear_required_languages {
139: %languages_required = ();
140: }
141: ##
142: # Allows an external client of this module to register a need for a language:
143: #
144: # @param LaTeX language required:
145: #
146: sub require_language {
147: my $language = shift;
148: $languages_required{$language} = 1;
149: }
150:
151: ##
152: # Provides the header for babel that indicates the languages
153: # the document requires.
154: # @return string
155: # @retval \usepackage[lang1,lang2...]{babel}
156: # @retval '' if there are no languages_required.
157: sub languages_header {
158: my $header ='';
159: my @languages = (keys(%languages_required));
160:
161: # Only generate the header if there are languages:
162:
163: if (scalar @languages) {
164: my $language_list = join(',', (@languages));
165: $header = '\usepackage['.$language_list."]{babel}\n";
166: }
167: return $header;
168: }
169:
170: #----------------------------------------------------------------------------------
171:
1.10 albertel 172: sub start_web {
1.326 albertel 173: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.383 albertel 174: if ($target ne 'edit' && $target ne 'modified') {
175: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
176: if ($target eq 'web' || $target eq 'webgrade') {
177: return $bodytext;
178: }
179: } elsif ($target eq "edit" ) {
180: my $bodytext =
181: &Apache::lonxml::get_all_text_unbalanced("/web",$parser);
182: my $result = &Apache::edit::tag_start($target,$token);
183: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
184: return $result;
185: } elsif ( $target eq "modified" ) {
186: return $token->[4].&Apache::edit::modifiedfield("/web",$parser);
1.159 albertel 187: }
188: return '';
1.10 albertel 189: }
190:
191: sub end_web {
1.44 ng 192: return '';
1.10 albertel 193: }
194:
195: sub start_tex {
1.326 albertel 196: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.198 sakharuk 197: my $result='';
1.383 albertel 198: if ($target ne 'edit' && $target ne 'modified') {
199: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
200: if ($target eq 'tex') {
1.434 foxr 201:
202: # If inside a table, occurrences of \\ must be removed;
203: # else the table blows up.
204:
205: if (&Apache::londefdef::is_inside_of($tagstack, "table")) {
206: $bodytext =~ s/\\\\//g;
207: }
1.432 foxr 208: return $bodytext.'{}';
1.383 albertel 209: }
210: } elsif ($target eq "edit" ) {
211: my $bodytext =
212: &Apache::lonxml::get_all_text_unbalanced("/tex",$parser);
213: my $result = &Apache::edit::tag_start($target,$token);
214: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
215: return $result;
216: } elsif ( $target eq "modified" ) {
217: return $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
1.159 albertel 218: }
1.198 sakharuk 219: return $result;;
1.10 albertel 220: }
221:
222: sub end_tex {
1.44 ng 223: return '';
1.9 albertel 224: }
225:
1.400 albertel 226: sub homework_js {
227: return &Apache::loncommon::resize_textarea_js().
1.416 raeburn 228: &setmode_javascript().
1.400 albertel 229: <<'JS';
230: <script type="text/javascript">
1.483 raeburn 231: // <![CDATA[
1.494 raeburn 232: function setSubmittedPart (part,prefix) {
233: if (typeof(prefix) == 'undefined') {
234: this.document.lonhomework.submitted.value="part_"+part;
235: } else {
236: for (var i=0;i<this.document.lonhomework.elements.length;i++) {
237: if (this.document.lonhomework.elements[i].name == prefix+'submitted') {
238: this.document.lonhomework.elements[i].value="part_"+part;
239: }
240: }
241: }
1.400 albertel 242: }
243:
244: function image_response_click (which, e) {
245: init_geometry();
246: if (!e) { e = window.event; } //IE
247: var input_element = document.lonhomework.elements[which];
1.401 albertel 248: var token_element = document.lonhomework.elements[which+'_token'];
1.400 albertel 249: var token = token_element.value;
1.401 albertel 250: var img_element = document.getElementById(which+'_imageresponse');
1.400 albertel 251: var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
252: var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
253: var click = x+':'+y;
254: input_element.value = click;
1.485 raeburn 255: img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
1.400 albertel 256: }
1.520 ! raeburn 257:
! 258: var submithandled = 0;
! 259:
! 260: $(document).ready(function(){
! 261: $(document).delegate('form :submit', 'click', function( event ) {
! 262: if ( $( this ).hasClass( "LC_hwk_submit" ) ) {
! 263: var buttonId = this.id;
! 264: if (submithandled == 0) {
! 265: submithandled = 1;
! 266: $( "#msg_"+buttonId ).css({"display": "inline","background-color": "#87cefa",
! 267: "color": "black","padding": "2px"}) ;
! 268: $( ".LC_status_"+buttonId ).hide();
! 269: if (( $(this.form).id == "LC_page" ) && ($('input[name="all_submit"]').length )) {
! 270: if (( "#"+buttonId+"_pressed" ).length) {
! 271: $( "#"+buttonId+"_pressed" ).val( "1" );
! 272: }
! 273: }
! 274: $(this.form).submit();
! 275: $( this ).attr( "disabled", true);
! 276: event.preventDefault();
! 277: return true;
! 278: }
! 279: }
! 280: });
! 281: });
! 282:
1.483 raeburn 283: // ]]>
1.400 albertel 284: </script>
285: JS
286: }
287:
1.416 raeburn 288: sub setmode_javascript {
289: return <<"ENDSCRIPT";
290: <script type="text/javascript">
1.485 raeburn 291: // <![CDATA[
1.416 raeburn 292: function setmode(form,probmode) {
293: form.problemmode.value = probmode;
294: form.submit();
295: }
1.485 raeburn 296: // ]]>
1.416 raeburn 297: </script>
298: ENDSCRIPT
299: }
300:
1.48 albertel 301: sub page_start {
1.345 albertel 302: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
303: $extra_head)=@_;
1.159 albertel 304: my %found;
1.207 albertel 305: foreach my $taginside (@$tagstack) {
1.159 albertel 306: foreach my $taglookedfor ('html','body','form') {
307: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
308: }
309: }
310:
1.343 albertel 311: if ($target eq 'tex') {
312: return
313: &Apache::londefdef::start_html($target,$token,$tagstack,
314: $parstack,$parser,$safeeval);
315: }
316:
1.474 raeburn 317: $extra_head .= &homework_js().
318: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
319: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
320: my %textarea_args = (
321: dragmath => 'math',
322: );
323: $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
1.425 raeburn 324: }
1.478 raeburn 325: my $is_task = ($env{'request.uri'} =~ /\.task$/);
1.493 raeburn 326: my $needs_upload;
1.495 raeburn 327: my ($symb)= &Apache::lonnet::whichuser();
328: my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
1.478 raeburn 329: if ($is_task) {
1.495 raeburn 330: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
1.493 raeburn 331: } else {
332: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.uploadedfiletypes") ne '') {
1.495 raeburn 333: unless ($env{'request.state'} eq 'construct') {
334: my $navmap = Apache::lonnavmaps::navmap->new();
335: if (ref($navmap)) {
336: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 337: my $is_page;
338: if (ref($mapres)) {
339: $is_page = $mapres->is_page();
340: }
341: unless ($is_page) {
1.495 raeburn 342: $needs_upload = 1;
343: }
344: }
345: }
1.493 raeburn 346: } else {
347: unless ($env{'request.state'} eq 'construct') {
348: my $navmap = Apache::lonnavmaps::navmap->new();
349: if (ref($navmap)) {
1.495 raeburn 350: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 351: my $is_page;
352: if (ref($mapres)) {
353: $is_page = $mapres->is_page();
354: }
355: unless ($is_page) {
1.495 raeburn 356: my $res = $navmap->getBySymb($symb);
357: if (ref($res)) {
358: my $partlist = $res->parts();
359: if (ref($partlist) eq 'ARRAY') {
360: foreach my $part (@{$partlist}) {
361: my @types = $res->responseType($part);
362: my @ids = $res->responseIds($part);
363: for (my $i=0; $i < scalar(@ids); $i++) {
364: if ($types[$i] eq 'essay') {
365: my $partid = $part.'_'.$ids[$i];
366: if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
367: $needs_upload = 1;
368: last;
369: }
1.493 raeburn 370: }
371: }
372: }
1.495 raeburn 373: }
374: }
1.493 raeburn 375: }
376: }
377: }
378: }
1.495 raeburn 379: if ($needs_upload) {
380: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
381: }
1.478 raeburn 382: }
1.425 raeburn 383:
1.344 albertel 384: my %body_args;
385: if (defined($found{'html'})) {
386: $body_args{'skip_phases'}{'head'}=1;
387: } else {
1.343 albertel 388:
1.345 albertel 389: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 390:
1.379 albertel 391: $extra_head .= &Apache::londefdef::generate_css_links();
392:
1.384 albertel 393: if ($env{'request.state'} eq 'construct') {
1.343 albertel 394: $extra_head.=&Apache::edit::js_change_detection().
395: "<script type=\"text/javascript\">\n".
396: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
397: &Apache::loncommon::browser_and_searcher_javascript().
398: "\n</script>\n";
399: }
1.159 albertel 400: }
1.343 albertel 401:
1.446 bisitz 402: my $pageheader = '';
1.344 albertel 403: if (defined($found{'body'})) {
404: $body_args{'skip_phases'}{'body'}=1;
405: } elsif (!defined($found{'body'})
406: && $env{'request.state'} eq 'construct') {
1.343 albertel 407: if ($target eq 'web' || $target eq 'edit') {
1.513 raeburn 408: # Breadcrumbs for Authoring Space
1.450 bisitz 409: &Apache::lonhtmlcommon::clear_breadcrumbs();
410: &Apache::lonhtmlcommon::add_breadcrumb({
1.513 raeburn 411: 'text' => 'Authoring Space',
1.497 raeburn 412: 'href' => &Apache::loncommon::authorspace($env{'request.uri'}),
1.450 bisitz 413: });
1.460 droeschl 414: # breadcrumbs (and tools) will be created
415: # in start_page->bodytag->innerregister
416:
1.450 bisitz 417: # FIXME Where are we?
418: # &Apache::lonhtmlcommon::add_breadcrumb({
419: # 'text' => 'Problem Editing', # 'Problem Testing'
420: # 'href' => '',
421: # });
1.460 droeschl 422: $pageheader =&Apache::loncommon::head_subbox(
1.446 bisitz 423: &Apache::loncommon::CSTR_pageheader());
1.297 albertel 424: }
1.272 albertel 425: } elsif (!defined($found{'body'})) {
1.343 albertel 426: my %add_entries;
1.159 albertel 427: my $background=&Apache::lonxml::get_param('background',$parstack,
428: $safeeval);
1.343 albertel 429: if ($background ne '' ) {
430: $add_entries{'background'} = $background;
431: }
1.344 albertel 432:
1.290 albertel 433: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
434: $safeeval);
1.446 bisitz 435: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
1.344 albertel 436:
1.446 bisitz 437: $body_args{'bgcolor'} = $bgcolor;
438: # $body_args{'no_title'} = 1;
439: $body_args{'force_register'} = 1;
440: $body_args{'add_entries'} = \%add_entries;
1.466 droeschl 441: if ( $env{'request.state'} eq 'construct') {
1.446 bisitz 442: $body_args{'only_body'} = 1;
1.518 raeburn 443: } elsif ($target eq 'web') {
444: $body_args{'print_suppress'} = 1;
1.446 bisitz 445: }
1.344 albertel 446: }
1.365 albertel 447: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 448: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
449: \%body_args);
1.446 bisitz 450: $page_start .= $pageheader;
1.462 raeburn 451: if (!defined($found{'body'})
452: && $env{'request.state'} ne 'construct'
453: && ($target eq 'web' || $target eq 'webgrade')) {
454:
455: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
456: if ($symb eq '' && !$publicuser) {
457: $page_start .= '<p class="LC_info">'
458: .&mt('Browsing resource, all submissions are temporary.')
459: .'</p>';
1.457 bisitz 460: }
1.344 albertel 461: }
462:
1.409 albertel 463: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 464: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 465: }
466: my $form_tag_start;
467: if (!defined($found{'form'})) {
1.337 albertel 468: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.465 raeburn 469: my $uri = &Apache::loncommon::inhibit_menu_check(
1.455 droeschl 470: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.464 raeburn 471: $uri = &HTML::Entities::encode($uri,'<>&"');
1.327 albertel 472: $form_tag_start.=$uri.'" ';
473: if ($target eq 'edit') {
474: $form_tag_start.=&Apache::edit::form_change_detection();
475: }
1.493 raeburn 476: my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
477: my ($path,$multiresp) =
478: &Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom);
1.495 raeburn 479: if (($is_task) || ($needs_upload)) {
480: $form_tag_start .= ' onsubmit="return file_submission_check(this,'."'$path','$multiresp'".');"';
1.478 raeburn 481: }
1.368 albertel 482: $form_tag_start.='>'."\n";
1.355 albertel 483:
484: if ($symb =~ /\S/) {
485: $symb=
486: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
487: $form_tag_start.=
1.368 albertel 488: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 489: }
1.159 albertel 490: }
1.343 albertel 491: return ($page_start,$form_tag_start);
1.105 albertel 492: }
493:
1.141 matthew 494: #use Time::HiRes();
1.105 albertel 495: sub get_resource_name {
1.159 albertel 496: my ($parstack,$safeeval)=@_;
1.388 foxr 497: my $name;
1.204 albertel 498: if (defined($Apache::lonhomework::name)) {
1.388 foxr 499: $name = $Apache::lonhomework::name;
500: } else {
501: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 502: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 503: if ($name eq '') {
504: $name=&Apache::lonnet::EXT('resource.title');
505: if ($name eq 'con_lost') { $name = ''; }
506: }
507: if ($name!~/\S+/) {
508: $name=$env{'request.uri'};
509: $name=~s-.*/([^/]+)$-$1-;
510: }
511: # The name has had html tags escaped:
512:
513: $name=~s/</</gs;
514: $name=~s/>/>/gs;
515:
516: $Apache::lonhomework::name=$name;
1.204 albertel 517: }
1.159 albertel 518: return $name;
1.105 albertel 519: }
520:
521: sub setup_rndseed {
1.479 raeburn 522: my ($safeeval,$target)=@_;
1.367 albertel 523: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 524: my ($questiontype,$set_safespace,$rndseed);
525: if ($target eq 'analyze') {
526: $questiontype = $env{'form.grade_questiontype'};
527: }
528: unless (defined($questiontype)) {
529: $questiontype = $Apache::lonhomework::type;
530: }
1.333 albertel 531: if ($env{'request.state'} eq "construct"
532: || $symb eq ''
533: || $Apache::lonhomework::type eq 'practice'
534: || $Apache::lonhomework::history{'resource.CODE'}) {
1.316 www 535: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 536: ['rndseed']);
1.284 albertel 537: $rndseed=$env{'form.rndseed'};
1.159 albertel 538: if (!$rndseed) {
1.162 albertel 539: $rndseed=$Apache::lonhomework::history{'rndseed'};
540: if (!$rndseed) {
541: $rndseed=time;
542: }
1.284 albertel 543: $env{'form.rndseed'}=$rndseed;
1.162 albertel 544: }
1.479 raeburn 545: if (($env{'request.state'} eq "construct") &&
546: ($Apache::lonhomework::type eq 'randomizetry')) {
547: my $tries = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.tries"};
548: if ($tries) {
549: $rndseed += $tries;
550: }
1.480 raeburn 551: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.479 raeburn 552: }
1.374 albertel 553: if ( ($env{'form.resetdata'} eq &mt('New Problem Variation')
554: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 555: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 556: srand(time);
557: $rndseed=int(rand(2100000000));
1.284 albertel 558: $env{'form.rndseed'}=$rndseed;
559: delete($env{'form.resetdata'});
560: delete($env{'form.newrandomization'});
1.159 albertel 561: }
1.488 www 562: $rndseed=~s/\,/\:/g;
563: $rndseed=~s/[^\w\d\:\-]//g;
1.489 www 564: if (defined($rndseed)) {
565: my ($c1,$c2)=split(/\:/,$rndseed);
566: unless ($c2) { $c2=0; }
567: unless (($c1==int($c1)) && ($c2==int($c2))) {
568: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
569: }
1.187 albertel 570: }
1.247 albertel 571: if ($Apache::lonhomework::history{'resource.CODE'}) {
572: $rndseed=&Apache::lonnet::rndseed();
573: }
1.479 raeburn 574: $set_safespace = 1;
575: } elsif ($questiontype eq 'randomizetry') {
576: if ($target eq 'analyze') {
577: if (defined($env{'form.grade_rndseed'})) {
578: $rndseed = $env{'form.grade_rndseed'};
579: }
580: }
581: unless (($target eq 'analyze') && (defined($rndseed))) {
582: $rndseed=&Apache::lonnet::rndseed();
583: my $curr_try = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.tries"};
584: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
585: $curr_try ++;
586: }
587: if ($rndseed =~/^(\d+)[,:](\d+)$/) {
588: $rndseed = $1;
589: }
590: if ($curr_try) {
591: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
592: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
593: my $inc = int(($curr_try-1)/$reqtries);
594: $rndseed += $inc;
595: } else {
596: $rndseed += $curr_try;
597: }
598: }
599: }
600: $set_safespace = 1;
601: }
602: if ($set_safespace) {
603: if ($safeeval) {
604: &Apache::lonxml::debug("Setting rndseed to $rndseed");
605: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
606: }
607: }
608: unless (($env{'request.state'} eq "construct") || ($symb eq '')) {
609: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.159 albertel 610: }
611: return $rndseed;
1.105 albertel 612: }
613:
1.268 albertel 614: sub remember_problem_state {
615: return '
1.284 albertel 616: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
617: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
618: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 619: }
620:
1.487 www 621: sub problem_edit_action_button {
622: my ($name,$action,$accesskey,$text,$flag)=@_;
623: my $actionscript="setmode(this.form,'$action')";
624: return "\n<input type='button' name='$name' accesskey='$accesskey' value='".&mt($text)."'".
625: ($flag?&Apache::edit::submit_ask_anyway($actionscript):&Apache::edit::submit_dont_ask($actionscript))." />";
626: }
627:
1.423 www 628: sub problem_edit_buttons {
1.487 www 629: my ($mode)=@_;
630: # Buttons that do not save
631: my $result='<div class="LC_edit_problem_discards">'.
632: &problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
633: if ($mode eq 'editxml') {
634: $result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
635: $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
636: $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
637: } else {
638: $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
639: $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
640: }
641: $result.="\n</div>";
642: # Buttons that save
643: $result.='<div class="LC_edit_problem_saves">';
644: if ($mode eq 'editxml') {
645: $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
646: $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
647: } else {
648: $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
649: $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
650: }
651: $result.="\n</div>\n";
652: return $result;
1.423 www 653: }
654:
655: sub problem_edit_header {
1.487 www 656: return '<input type="hidden" name="submitted" value="edit" />'.
657: &remember_problem_state('edit').'
1.423 www 658: <div class="LC_edit_problem_header">
659: <div class="LC_edit_problem_header_title">
660: '.&mt('Problem Editing').&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
661: </div>'.
1.487 www 662: '<input type="hidden" name="problemmode" value="saveedit" />'.
1.423 www 663: &problem_edit_buttons().'
1.459 bisitz 664: <hr style="clear:both;" />
1.409 albertel 665: '.&Apache::lonxml::message_location().'
1.408 albertel 666: </div>
667: '.
1.515 golterma 668: '<table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
1.105 albertel 669: }
670:
671: sub problem_edit_footer {
1.412 albertel 672: return '</td></tr></table><br />
673: <div class="LC_edit_problem_footer">
1.453 bisitz 674: <hr />'.
1.423 www 675: &problem_edit_buttons().'
1.459 bisitz 676: <hr style="clear:both;" />
1.412 albertel 677: </div>
678: '.
1.342 albertel 679: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 680: }
681:
1.235 albertel 682: sub option {
683: my ($value,$name) = @_;
684: my $result ="<option value='".$value."' ";
1.284 albertel 685: if ($env{'form.'.$name} eq $value) {
1.235 albertel 686: $result.=" selected='on' ";
687: }
688: $result.='>';
689: return $result;
690: }
691:
1.105 albertel 692: sub problem_web_to_edit_header {
1.159 albertel 693: my ($rndseed)=@_;
1.406 albertel 694: my $result .= '<div class="LC_edit_problem_header">';
695:
696: if (!$Apache::lonhomework::parsing_a_task) {
697: $result .=
698: '<div class="LC_edit_problem_header_title">'.
699: &mt('Problem Testing').
700: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
701: '</div>';
702: } else {
703: $result .=
704: '<div class="LC_edit_problem_header_title">'.
705: &mt('Task Testing').
706: '</div>';
707: }
708:
1.315 albertel 709: my $show_all_foils_text =
710: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 711: &mt('Show All Instances')
712: : &mt('Show All Foils');
1.315 albertel 713:
1.452 bisitz 714: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
715: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 716: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 717: $show_all.= ' /> '.$show_all_foils_text
718: .'</label></span>';
1.406 albertel 719:
720:
1.384 albertel 721:
1.406 albertel 722: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 723: if (!$Apache::lonhomework::parsing_a_task) {
724: $result.="
1.406 albertel 725: <div class='LC_edit_problem_header_row1'>
726: <span class=\"LC_nobreak\">
1.405 albertel 727: ".&mt("Problem Status:")."
1.235 albertel 728: <select name='problemstate'>
1.270 albertel 729: <option value=''></option>
1.235 albertel 730: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
731: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
732: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
733: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
734: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
735: </select>
1.406 albertel 736: </span>
737: <span class=\"LC_nobreak\">
1.405 albertel 738: ".&mt("Problem Type:")."
1.235 albertel 739: <select name='problemtype'>
1.270 albertel 740: <option value=''></option>
1.509 bisitz 741: ".&option('exam' ,'problemtype').&mt("Bubblesheet Exam Problem")."</option>
1.428 raeburn 742: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 743: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 744: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
745: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
746: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 747: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.479 raeburn 748: ".&option('randomizetry' ,'problemtype').&mt("New Randomization Each Try")."</option>
1.235 albertel 749: </select>
1.406 albertel 750: </span>
751: $show_all
752: </div>
753: <div class='LC_edit_problem_header_row2'>
754: <span class=\"LC_nobreak\">
1.405 albertel 755: ".&mt("Feedback Mode:")."
1.235 albertel 756: <select name='problemstatus'>
757: <option value=''></option>
1.242 albertel 758: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.517 bisitz 759: ".&option('no', 'problemstatus').&mt("Don't Show Incorrect/Correct Feedback")."</option>
1.405 albertel 760: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 761: </select>
1.406 albertel 762: </span>
763: ";
764:
1.376 albertel 765: } elsif ($Apache::lonhomework::parsing_a_task) {
766: $result.="
1.406 albertel 767: <div class='LC_edit_problem_header_row1'>
768: <span class=\"LC_nobreak\">
1.405 albertel 769: ".&mt("Problem Status:")."
1.376 albertel 770: <select name='problemstate'>
771: <option value=''></option>
772: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
773: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
774: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
775: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
776: </select>
1.406 albertel 777: </span>
778: $show_all
779: ";
780: }
781: $result.='
782: <span class="LC_nobreak">
783: '.&mt('Apply style file: ').'
784: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
785: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
786: </span>
1.422 www 787: </div>
788: <div class="LC_edit_problem_header_row1">'.
789: &Apache::lonxml::renderingoptions().'
1.406 albertel 790: </div>
791: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
792: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
793: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
794: </div>
1.453 bisitz 795: <hr />
1.406 albertel 796: <div class="LC_edit_problem_header_randomize_row">
797: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
798: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 799: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 800: $rndseed.'"
801: onchange="javascript:document.lonhomework.changerandseed.click()" />';
802:
803: if (!$Apache::lonhomework::parsing_a_task) {
804: my $numtoanalyze=$env{'form.numtoanalyze'};
805: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 806: $result .= '<span class="LC_nobreak">'.
807: &mt('[_1] for [_2] versions.',
1.416 raeburn 808: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 809: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
810: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 811: $numtoanalyze.'" size="5" />').
812: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
813: '</span>';
814:
1.313 albertel 815: }
1.406 albertel 816:
817: $result.='
818: </div>
1.453 bisitz 819: <hr />
1.447 bisitz 820: <div>';
1.416 raeburn 821: $result.='<input type="hidden" name="problemmode" value="view" />';
822: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
823: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
824: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
825: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.408 albertel 826: $result.='
827: </div>
1.453 bisitz 828: <hr />
1.409 albertel 829: '.&Apache::lonxml::message_location().'
1.406 albertel 830: </div>';
1.159 albertel 831: return $result;
1.48 albertel 832: }
833:
1.65 albertel 834: sub initialize_storage {
1.357 albertel 835: my ($given_symb) = @_;
1.353 albertel 836: undef(%Apache::lonhomework::results);
837: undef(%Apache::lonhomework::history);
1.357 albertel 838: my ($symb,$courseid,$domain,$name) =
1.367 albertel 839: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 840:
841: # anonymous users (CODEd exams) have no data
842: if ($name eq 'anonymous'
843: && !defined($domain)) {
844: return;
845: }
846:
1.333 albertel 847: if ($env{'request.state'} eq 'construct'
848: || $symb eq ''
849: || $Apache::lonhomework::type eq 'practice') {
850:
851: my $namespace = $symb || $env{'request.uri'};
852: if ($env{'form.resetdata'} eq &mt('Reset Submissions') ||
1.374 albertel 853: ($env{'form.resetdata'} eq &mt('New Problem Variation')
854: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 855: $env{'form.newrandomization'} eq &mt('New Randomization')) {
856: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
857: &Apache::lonxml::debug("Attempt reset");
858: }
1.159 albertel 859: %Apache::lonhomework::history=
1.333 albertel 860: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.159 albertel 861: my ($temp)=keys %Apache::lonhomework::history ;
862: &Apache::lonxml::debug("Return message of $temp");
863: } else {
864: %Apache::lonhomework::history=
865: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
866: }
1.353 albertel 867:
1.159 albertel 868: #ignore error conditions
1.67 albertel 869: my ($temp)=keys %Apache::lonhomework::history ;
1.159 albertel 870: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 871: }
872:
1.435 jms 873: =pod
874:
875: =item finalize_storage()
876:
877: Stores away the result has to a student's environment
878: checks form.grade_ for specific values, other wises stores
879: to the running users environment
880: Will increment totals for attempts, students, and corrects
881: if running user has student role.
882:
883: =cut
884:
885:
1.65 albertel 886: sub finalize_storage {
1.357 albertel 887: my ($given_symb) = @_;
1.159 albertel 888: my $result;
1.289 albertel 889: if (%Apache::lonhomework::results) {
1.323 albertel 890: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
891: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 892: my ($symb,$courseid,$domain,$name) =
1.367 albertel 893: &Apache::lonnet::whichuser($given_symb);
1.333 albertel 894: if ($env{'request.state'} eq 'construct'
895: || $symb eq ''
896: || $Apache::lonhomework::type eq 'practice') {
897: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 898: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 899: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 900: $namespace,'',$domain,$name);
1.159 albertel 901: &Apache::lonxml::debug('Construct Store return message:'.$result);
902: } else {
903: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
904: $symb,$courseid,$domain,$name);
905: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 906: &store_aggregates($symb,$courseid);
1.159 albertel 907: }
1.323 albertel 908: } else {
909: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 910: }
1.159 albertel 911: return $result;
1.65 albertel 912: }
913:
1.435 jms 914: =pod
915:
916: item store_aggregates()
917:
918: Sends hash of values to be incremented in nohist_resourcetracker.db
919: for the course. Increments total number of attempts, unique students
920: and corrects for each part for an instance of a problem, as appropriate.
921:
922: =cut
923:
1.285 raeburn 924: sub store_aggregates {
925: my ($symb,$courseid) = @_;
1.479 raeburn 926: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 927: my @parts;
1.288 albertel 928: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
929: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 930: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 931: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 932: push(@parts, $1);
1.285 raeburn 933: }
934: }
1.286 albertel 935: foreach my $part (@parts) {
1.470 raeburn 936: if ($env{'request.role'} =~/^st/) {
937: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
938: eq 'APPROX_ANS' ||
939: $Apache::lonhomework::results{'resource.'.$part.'.award'}
940: eq 'EXACT_ANS') {
941: $aggregate{$symb."\0".$part."\0correct"} = 1;
942: }
943: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
944: $aggregate{$symb."\0".$part."\0users"} = 1;
945: } else {
946: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
947: if ($last_reset) {
948: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
949: $aggregate{$symb."\0".$part."\0users"} = 1;
950: }
951: }
952: }
953: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 954: }
1.470 raeburn 955: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 956: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
957: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
958: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
959: $randtrycounter{$symb."\0".$part} = 1;
960: } else {
961: $anoncounter{$symb."\0".$part} = 1;
962: }
1.470 raeburn 963: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}};
964: if ($needsrelease) {
965: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
966: if ($curr_required eq '') {
1.471 raeburn 967: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 968: } else {
969: my ($currmajor,$currminor) = split(/\./,$curr_required);
970: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
971: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 972: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 973: }
1.292 raeburn 974: }
975: }
1.285 raeburn 976: }
977: }
1.292 raeburn 978: if (keys (%aggregate) > 0) {
1.289 albertel 979: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 980: $cdomain,$cname);
981: }
1.472 raeburn 982: if (keys(%anoncounter) > 0) {
1.481 raeburn 983: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
984: $cdomain,$cname);
1.472 raeburn 985: }
1.479 raeburn 986: if (keys(%randtrycounter) > 0) {
1.481 raeburn 987: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
988: $cdomain,$cname);
1.479 raeburn 989: }
1.292 raeburn 990: }
1.289 albertel 991:
1.65 albertel 992: sub checkout_msg {
1.211 albertel 993: my %lt=&Apache::lonlocal::texthash(
994: 'resource'=>'The resource needs to be checked out',
995: '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.',
996: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 997: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
998: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 999: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1000: return (<<ENDCHECKOUT);
1.211 albertel 1001: <h2>$lt{'resource'}</h2>
1002: <p>$lt{'id_expln'}</p>
1.449 bisitz 1003: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1004: <form name="checkout" method="post" action="$uri">
1.91 albertel 1005: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1006: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1007: </form>
1008: ENDCHECKOUT
1009: }
1010:
1.252 albertel 1011: sub firstaccess_msg {
1.253 albertel 1012: my ($time,$symb)=@_;
1.414 albertel 1013: my $result;
1014: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1015: if ($interval[1] eq 'map') {
1016: my ($map)=&Apache::lonnet::decode_symb($symb);
1017: my $foldertitle=&Apache::lonnet::gettitle($map);
1018:
1019: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1020: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1021: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1022: ,$foldertitle,$time)."</p>";
1.414 albertel 1023: } elsif ($interval[1] eq 'course') {
1024: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1025: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1026: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1027: ,$course,$time)."</p>";
1.414 albertel 1028: } else {
1029: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1030: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1031: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1032: ,$title,$time)."</p>";
1.414 albertel 1033: }
1.352 albertel 1034: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1035: my $buttontext = &mt('Show Resource');
1036: my $timertext = &mt('Start Timer?');
1.414 albertel 1037: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1038: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1039: <input type="hidden" name="markaccess" value="yes" />
1.514 bisitz 1040: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1041: </form>
1042: ENDCHECKOUT
1.414 albertel 1043: return $result;
1.252 albertel 1044: }
1045:
1.204 albertel 1046: sub init_problem_globals {
1047: my ($type)=@_;
1048: #initialize globals
1.308 foxr 1049: # For problems, we start out in part 0 (outside a <part> tag).
1050: # and part 0 is used to describe the main body of the <problem>
1051: #
1.204 albertel 1052: if ($type eq 'problem') {
1053: $Apache::inputtags::part='0';
1054: @Apache::inputtags::partlist=('0');
1.405 albertel 1055: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1056: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1057:
1.266 albertel 1058: } elsif ($type eq 'library') {
1.204 albertel 1059: $Apache::inputtags::part='';
1060: @Apache::inputtags::partlist=();
1.405 albertel 1061: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1062: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1063:
1.304 albertel 1064: } elsif ($type eq 'Task') {
1065: $Apache::inputtags::part='0';
1066: @Apache::inputtags::partlist=('0');
1.405 albertel 1067: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1068: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1069: }
1.477 www 1070: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1071: @Apache::inputtags::responselist = ();
1072: @Apache::inputtags::importlist = ();
1073: @Apache::inputtags::previous=();
1074: @Apache::inputtags::previous_version=();
1075: $Apache::structuretags::printanswer='No';
1076: @Apache::structuretags::whileconds=();
1077: @Apache::structuretags::whilebody=();
1078: @Apache::structuretags::whileline=();
1079: $Apache::lonhomework::scantronmode=0;
1080: undef($Apache::lonhomework::name);
1.358 albertel 1081: undef($Apache::lonhomework::default_type);
1082: undef($Apache::lonhomework::type);
1.204 albertel 1083: }
1084:
1085: sub reset_problem_globals {
1086: my ($type)=@_;
1087: undef(%Apache::lonhomework::history);
1088: undef(%Apache::lonhomework::results);
1089: undef($Apache::inputtags::part);
1.498 raeburn 1090: if ($type eq 'Task') {
1091: undef($Apache::inputtags::slot_name);
1092: }
1.208 albertel 1093: #don't undef this, lonhomework.pm takes care of this, we use this to
1094: #detect if we try to do 2 problems in one file
1095: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1096: undef($Apache::lonhomework::name);
1.358 albertel 1097: undef($Apache::lonhomework::default_type);
1098: undef($Apache::lonhomework::type);
1099: undef($Apache::lonhomework::scantronmode);
1100: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1101: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1102: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1103: }
1104:
1.241 albertel 1105: sub set_problem_state {
1.240 albertel 1106: my ($part)=@_;
1.284 albertel 1107: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1108: $Apache::lonhomework::history{"resource.$part.solved"}=
1109: 'correct_by_student';
1110: }
1111: }
1112:
1.241 albertel 1113: sub get_problem_status {
1114: my ($part)=@_;
1.267 albertel 1115: my $problem_status;
1.284 albertel 1116: if ($env{'request.state'} eq 'construct' &&
1117: defined($env{'form.problemstatus'})) {
1118: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1119: } else {
1120: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1121: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1122: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1123: }
1124: return $problem_status;
1125: }
1126:
1.9 albertel 1127: sub start_problem {
1.326 albertel 1128: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1129:
1.311 foxr 1130: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1131: if (!$Apache::lonxml::metamode) {
1132: &Apache::lonxml::startredirection();
1133: }
1.311 foxr 1134:
1.308 foxr 1135: # Problems don't nest and we don't allow more than one <problem> in
1136: # a .problem file.
1137: #
1.184 albertel 1138: if ( $Apache::inputtags::part ne '' ||
1139: $Apache::lonhomework::parsing_a_problem) {
1140: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1141: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1142: return '';
1143: }
1.184 albertel 1144:
1145: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1146: &init_problem_globals('problem');
1.166 albertel 1147:
1.284 albertel 1148: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1149: $Apache::lonhomework::scantronmode=1;
1150: }
1.161 albertel 1151:
1.159 albertel 1152: if ($target ne 'analyze') {
1.415 raeburn 1153: my $type = &Apache::lonnet::EXT('resource.0.type');
1154: $Apache::lonhomework::type=$type;
1.284 albertel 1155: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1156: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1157: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1158: }
1.332 albertel 1159: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1160: }
1.164 albertel 1161: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1162: my $uri=$env{'request.uri'};
1.159 albertel 1163: if ($uri=~/\.(\w+)$/) {
1164: $Apache::lonhomework::type=$1;
1165: &Apache::lonxml::debug("Using type of $1");
1166: } else {
1167: $Apache::lonhomework::type='problem';
1168: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1169: }
1.87 albertel 1170: }
1.301 albertel 1171: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1172:
1.363 albertel 1173: &initialize_storage();
1.389 albertel 1174: if ($target ne 'analyze'
1175: && $env{'request.state'} eq 'construct') {
1176: &set_problem_state('0');
1177: }
1178:
1.366 albertel 1179: if ($target eq 'web') {
1180: &Apache::lonxml::debug(" grading history ");
1181: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1182: }
1.363 albertel 1183:
1.159 albertel 1184: #added vars to the scripting enviroment
1.213 albertel 1185: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1186: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1187: &Apache::run::run($expression,$safeeval);
1.159 albertel 1188: my $status;
1189: my $accessmsg;
1.508 raeburn 1190: my $resource_due;
1.159 albertel 1191:
1.343 albertel 1192: my $name= &get_resource_name($parstack,$safeeval);
1.506 raeburn 1193: my ($result,$form_tag_start,$slot_name,$slot);
1194:
1195: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1196: $target eq 'tex') {
1197: if ($env{'form.markaccess'}) {
1198: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.519 raeburn 1199: &Apache::lonnet::set_first_access($interval[1],$interval[0]);
1.506 raeburn 1200: }
1201:
1202: ($status,$accessmsg,$slot_name,$slot) =
1203: &Apache::lonhomework::check_slot_access('0','problem');
1204: push (@Apache::inputtags::status,$status);
1205: }
1206:
1.354 albertel 1207: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1208: || $target eq 'edit') {
1.350 albertel 1209: ($result,$form_tag_start) =
1210: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1211: $name);
1212: }
1213:
1.284 albertel 1214: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1215:
1.479 raeburn 1216: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1217: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1218: $target eq 'tex') {
1.479 raeburn 1219:
1.159 albertel 1220: #handle rand seed in construction space
1.479 raeburn 1221: my $rndseed=&setup_rndseed($safeeval,$target);
1.367 albertel 1222: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 1223:
1.333 albertel 1224: if ($env{'request.state'} ne "construct" &&
1225: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 1226: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.462 raeburn 1227: $rndseed.'" />'.
1228: '<input type="submit" name="resetdata"
1229: value="'.&mt('New Problem Variation').'" />';
1.334 albertel 1230: if (exists($env{'form.username'})) {
1231: $form_tag_start.=
1.164 albertel 1232: '<input type="hidden" name="username"
1.284 albertel 1233: value="'.$env{'form.username'}.'" />';
1.334 albertel 1234: }
1.462 raeburn 1235: if ($env{'request.role.adv'}) {
1236: $form_tag_start.= ' <label class="LC_nobreak">'
1237: .'<input type="checkbox" name="showallfoils"';
1238: if (defined($env{'form.showallfoils'})) {
1239: $form_tag_start.=' checked="checked"';
1240: }
1241: $form_tag_start.= ' /> '
1242: .&mt('Show All Foils')
1243: .'</label>';
1244: }
1.417 www 1245: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1246: $form_tag_start.=&practice_problem_header();
1.417 www 1247: }
1.462 raeburn 1248: $form_tag_start.='<hr />';
1.479 raeburn 1249: } elsif (($env{'request.state'} ne "construct") &&
1250: ($Apache::lonhomework::type eq 'randomizetry') &&
1251: ($status eq 'CAN_ANSWER')) {
1252: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1253: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1254: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries);
1255: }
1.324 albertel 1256:
1.159 albertel 1257: my $expression='$external::datestatus="'.$status.'";';
1258: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
1259: &Apache::run::run($expression,$safeeval);
1260: &Apache::lonxml::debug("Got $status");
1.324 albertel 1261:
1.159 albertel 1262: if (( $status eq 'CLOSED' ) ||
1263: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1264: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 1265: ( $status eq 'BANNED') ||
1.216 albertel 1266: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 1267: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 1268: ( $status eq 'NOTRESERVABLE') ||
1269: ( $status eq 'RESERVABLE') ||
1270: ( $status eq 'RESERVABLE_LATER') ||
1.216 albertel 1271: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 1272: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1273: $style);
1.159 albertel 1274: if ( $target eq "web" ) {
1.343 albertel 1275: my $msg;
1.159 albertel 1276: if ($status eq 'UNAVAILABLE') {
1.504 golterma 1277: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1.441 raeburn 1278: } elsif ($status eq 'NOT_IN_A_SLOT') {
1.504 golterma 1279: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1.499 raeburn 1280: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1281: ($status eq 'NOTRESERVABLE')) {
1.504 golterma 1282: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1.253 albertel 1283: } elsif ($status ne 'NOT_YET_VIEWED') {
1.504 golterma 1284: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1.499 raeburn 1285: }
1.216 albertel 1286: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 1287: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 1288: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 1289: $msg.=&checkout_msg();
1.252 albertel 1290: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 1291: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 1292: } elsif ($status eq 'NOT_IN_A_SLOT') {
1.441 raeburn 1293: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1.499 raeburn 1294: } elsif ($status eq 'RESERVABLE') {
1295: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1296: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1297: '<br />'.
1298: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1299: } elsif ($status eq 'RESERVABLE_LATER') {
1300: $msg.=&mt('Window to make a reservation will open [_1].',
1301: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1302: } elsif ($status eq 'NOTRESERVABLE') {
1303: $msg.=&mt('Not available to make a reservation.');
1.159 albertel 1304: }
1305: $result.=$msg.'<br />';
1306: } elsif ($target eq 'tex') {
1.332 albertel 1307: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1308: : '\begin{minipage}{\textwidth}';
1.443 foxr 1309: $result.='\noindent \vskip 1 mm '.
1.332 albertel 1310: $startminipage.'\vskip 0 mm';
1.159 albertel 1311: if ($status eq 'UNAVAILABLE') {
1.211 albertel 1312: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 1313: } else {
1.211 albertel 1314: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 1315: }
1316: }
1.324 albertel 1317: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1318: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1319: $style);
1.324 albertel 1320: if ($target eq 'web') {
1.375 albertel 1321: $result .=
1322: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 1323: } elsif ($target eq 'grade') {
1324: &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
1325: 'problem');
1326: }
1.159 albertel 1327: } elsif ($target eq 'web') {
1.508 raeburn 1328: if ($status eq 'CAN_ANSWER') {
1329: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
1330: if ($slot_name ne '') {
1331: my $checked_in =
1332: $Apache::lonhomework::history{'resource.0.checkedin'};
1333: if ($checked_in eq '') {
1334: # unproctored slot access, self checkin
1335: &Apache::bridgetask::check_in('problem',undef,undef,
1336: $slot_name);
1337: $checked_in =
1338: $Apache::lonhomework::results{"resource.0.checkedin"};
1339: }
1340: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1341: if ($slot->{'starttime'} < time()) {
1342: if (!$resource_due) {
1343: $resource_due = $slot->{'endtime'};
1344: } elsif ($slot->{'endtime'} < $resource_due) {
1345: $resource_due = $slot->{'endtime'};
1346: }
1347: }
1348: }
1349: }
1350: if ($resource_due) {
1351: my $time_left = $resource_due - time();
1352: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
1353: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
1354: }
1355: }
1356: }
1.368 albertel 1357: $result.="\n $form_tag_start \t".
1.227 albertel 1358: '<input type="hidden" name="submitted" value="yes" />';
1359: # create a page header and exit
1.284 albertel 1360: if ($env{'request.state'} eq "construct") {
1361: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.428 raeburn 1362: if ($Apache::lonhomework::type eq 'practice') {
1363: $result.= '<input type="submit" name="resetdata" '.
1364: 'value="'.&mt('New Problem Variation').'" />'.
1365: &practice_problem_header().'<hr />';
1366: }
1.227 albertel 1367: }
1368: # if we are viewing someone else preserve that info
1.284 albertel 1369: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1370: foreach my $field ('symb','courseid','domain','username') {
1371: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1372: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1373: }
1.479 raeburn 1374: foreach my $field ('trial','questiontype') {
1375: if ($env{"form.grade_$field"} ne '') {
1376: $result .= '<input type="hidden" name="grade_'.$field.
1377: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1378: }
1379: }
1.159 albertel 1380: }
1.490 raeburn 1381: if ($env{'form.grade_imsexport'}) {
1382: $result = '';
1383: }
1.159 albertel 1384: } elsif ($target eq 'tex') {
1.319 foxr 1385: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 1386: $result .= &select_metadata_hyphenation();
1387:
1.319 foxr 1388:
1.99 sakharuk 1389: }
1.159 albertel 1390: } elsif ($target eq 'edit') {
1.343 albertel 1391: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1392: $Apache::lonxml::warnings_error_header=
1393: &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 1394: my $temp=&Apache::edit::insertlist($target,$token);
1395: $result.=$temp;
1396: } elsif ($target eq 'modified') {
1397: $result=$token->[4];
1398: } else {
1399: # page_start returned a starting result, delete it if we don't need it
1400: $result = '';
1.99 sakharuk 1401: }
1.159 albertel 1402: return $result;
1.9 albertel 1403: }
1404:
1405: sub end_problem {
1.159 albertel 1406: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 1407: my $result;
1.310 foxr 1408:
1.321 albertel 1409: if (!$Apache::lonxml::metamode) {
1410: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 1411: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1412: }
1.319 foxr 1413:
1414: if ($target eq 'tex') {
1.321 albertel 1415: # Figure out the front matter and replace the
1416: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1417: # this in end_problem because whether or not we display due
1418: # dates depends on whether due dates have already been
1419: # displayed in the problem parts.
1420:
1.319 foxr 1421: my $frontmatter = '';
1422: my $startminipage = '';
1423: if (not $env{'form.problem_split'}=~/yes/) {
1424: $startminipage = '\begin{minipage}{\textwidth}';
1425: }
1426: my $id = $Apache::inputtags::part;
1427: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1428: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1429: my @packages = split /,/,$packages;
1430: my $allow_print_points = 0;
1431: foreach my $partial_key (@packages) {
1432: if ($partial_key=~m/^part_0$/) {
1433: $allow_print_points=1;
1434: }
1435: }
1436: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1437: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1438: if (lc($env{'course.'.$env{'request.course.id'}.
1439: '.disableexampointprint'}) eq 'yes') {
1440: $allow_print_points=0;
1441: }
1442: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 1443: my $begin_doc=' \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$env{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent ';
1.500 foxr 1444: &clear_required_languages();
1.319 foxr 1445: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1446: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1447:
1448: # Figure out what the due date is and if we need to print
1449: # it in the problem header. We have been logging the
1450: # last due date written to file.
1451:
1452: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1453: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 1454: my $duedate_text = &mt('Due date: [_1]'
1455: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 1456: my $temp_file;
1457: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1458:
1459: # Figure out what the last printed due date is or set it
1460: # to the epoch if no duedates have been printed.
1461:
1462: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1463: if (-e $filename) {
1464: $temp_file = Apache::File->new($filename);
1465: my @due_file = <$temp_file>;
1466: $due_file_content = $due_file[$#due_file];
1467: chomp $due_file_content;
1468: }
1469:
1470: # We display the due date iff it is not the same as the last
1471: # duedate in problem header ($due_file_content), and
1472: # none of our parts displayed a duedate.
1473: #
1474: my $parts_with_displayduedate;
1475: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1476: $parts_with_displayduedate =
1477: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1478: } else {
1479: $parts_with_displayduedate = 0;
1480: }
1481: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1482: $temp_file = Apache::File->new('>'.$filename);
1483: print $temp_file "$duetime\n";
1484: if (not $env{'request.symb'} =~ m/\.page_/) {
1485: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1486: $frontmatter .= $begin_doc.
1.448 bisitz 1487: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 1488: } else {
1489: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 1490: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 1491: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 1492: }
1.319 foxr 1493: }
1494: } else {
1.448 bisitz 1495: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 1496: }
1497: } else {
1498: if (not $env{'request.symb'} =~ m/\.page_/) {
1499: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 1500: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 1501: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 1502: }
1.319 foxr 1503: } else {
1.381 albertel 1504: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1505: }
1506: }
1507: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1508: }
1509:
1.159 albertel 1510: my $status=$Apache::inputtags::status['-1'];
1511: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1512: $target eq 'tex') {
1.249 albertel 1513: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1514: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1515: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1516: &Apache::inputtags::grade;
1.324 albertel 1517: } elsif ($status eq 'NEEDS_CHECKIN') {
1518: # no need to grade, and don't want to hide data
1.249 albertel 1519: } else {
1520: # move any submission data to .hidden
1521: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1522: }
1.159 albertel 1523: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1524: $Apache::inputtags::part eq '0' &&
1.490 raeburn 1525: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
1526: && !$env{'form.grade_imsexport'}) {
1.159 albertel 1527: # if part is zero, no <part>s existed, so we need show the current
1528: # grading status
1529: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1530: $result.= $gradestatus;
1531: }
1532: if (
1.284 albertel 1533: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1534: ($target eq 'answer') || ($target eq 'tex')
1535: ) {
1.490 raeburn 1536: if (($target ne 'tex') &&
1537: ($env{'form.answer_output_mode'} ne 'tex') &&
1538: (!$env{'form.grade_imsexport'})) {
1.254 www 1539: $result.="</form>";
1.159 albertel 1540: }
1541: if ($target eq 'web') {
1.507 raeburn 1542: #
1543: # Closing </body></html> not added by end_page().
1544: # Added separately at end of this routine, after added
1545: # <script></script> so document will be valid xhtml.
1546: #
1547: $result.= &Apache::loncommon::end_page({'discussion' => 1,
1548: 'notbody' => 1});
1.159 albertel 1549: } elsif ($target eq 'tex') {
1.178 sakharuk 1550: my $endminipage = '';
1.284 albertel 1551: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1552: $endminipage = '\end{minipage}';
1553: }
1.284 albertel 1554: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1555: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1556: } else {
1.262 sakharuk 1557: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1558: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1559: $result .= $endminipage.'\end{document} ';
1560: } else {
1.382 albertel 1561: $result .= $endminipage;
1.262 sakharuk 1562: }
1.159 albertel 1563: }
1564: }
1565: }
1.476 www 1566: if ($target eq 'web') {
1567: $result.=&Apache::functionplotresponse::init_script();
1568: }
1.159 albertel 1569: if ($target eq 'grade') {
1570: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1571: &finalize_storage();
1572: }
1.284 albertel 1573: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
1574: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 1575: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 1576: # normally we get it from above, but in CSTR
1.172 albertel 1577: # we always show answer mode too.
1.159 albertel 1578: }
1579: } elsif ($target eq 'meta') {
1580: if ($Apache::inputtags::part eq '0') {
1.179 albertel 1581: @Apache::inputtags::response=();
1.159 albertel 1582: $result=&Apache::response::mandatory_part_meta;
1583: }
1.215 albertel 1584: $result.=&Apache::response::meta_part_order();
1.258 albertel 1585: $result.=&Apache::response::meta_response_order();
1.159 albertel 1586: } elsif ($target eq 'edit') {
1587: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 1588: $result .= &problem_edit_footer();
1.320 albertel 1589: } elsif ($target eq 'modified') {
1590: $result .= $token->[2];
1.159 albertel 1591: }
1.155 albertel 1592:
1.284 albertel 1593: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 1594: &Apache::inputtags::check_for_duplicate_ids();
1595: }
1.204 albertel 1596:
1597: &reset_problem_globals('problem');
1.159 albertel 1598:
1.502 foxr 1599: #
1600: # This shouild be just above the return so that the
1601: # time put in the javascript is as late as possible in the
1602: # computation:
1603: #
1604: if ($target eq 'web') {
1605: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 1606: #
1607: # Closing tags delayed so any <script></script> tags
1608: # not in head can appear inside body, for valid xhtml.
1609: #
1610: $result .= "</body>\n</html>";
1.502 foxr 1611: }
1.159 albertel 1612: return $result;
1.48 albertel 1613: }
1614:
1.108 albertel 1615:
1.48 albertel 1616: sub start_library {
1.159 albertel 1617: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 1618: my ($result,$form_tag_start);
1.371 albertel 1619: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 1620: &init_problem_globals('library');
1621: $Apache::lonhomework::type='problem';
1622: }
1.159 albertel 1623: if ($target eq 'edit') {
1.343 albertel 1624: ($result,$form_tag_start)=
1625: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1626: 'Edit');
1627: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 1628: my $temp=&Apache::edit::insertlist($target,$token);
1629: $result.=$temp;
1630: } elsif ($target eq 'modified') {
1631: $result=$token->[4];
1.340 albertel 1632: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 1633: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 1634: && $env{'request.state'} eq "construct" ) {
1.159 albertel 1635: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 1636: ($result,$form_tag_start)=
1637: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1638: $name);
1.479 raeburn 1639: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 1640: $result.=" \n $form_tag_start".
1.159 albertel 1641: '<input type="hidden" name="submitted" value="yes" />';
1642: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 1643: if ($Apache::lonhomework::type eq 'practice') {
1644: $result.= '<input type="submit" name="resetdata" '.
1645: 'value="'.&mt('New Problem Variation').'" />'.
1646: &practice_problem_header().'<hr />';
1647: }
1.159 albertel 1648: }
1649: return $result;
1.48 albertel 1650: }
1651:
1652: sub end_library {
1.159 albertel 1653: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1654: my $result='';
1655: if ($target eq 'edit') {
1656: $result=&problem_edit_footer();
1.371 albertel 1657: } elsif ($target eq 'web'
1658: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1659: && $env{'request.state'} eq "construct") {
1.349 albertel 1660: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 1661: }
1.371 albertel 1662: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1663: &reset_problem_globals('library');
1664: }
1.159 albertel 1665: return $result;
1.197 www 1666: }
1667:
1668: sub start_definetag {
1.326 albertel 1669: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 1670:
1671: my $result;
1672:
1673: my $name = $token->[2]->{'name'};
1.326 albertel 1674: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 1675: if ($target eq 'web') {
1676: if ($name=~/^\//) {
1677: $result=
1678: '<br /><table class="LC_sty_end"><tr><th>'.
1679: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1680: } else {
1681: $result=
1682: '<br /><table class="LC_sty_begin"><tr><th>'.
1683: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
1684: }
1685: $skip = &HTML::Entities::encode($skip, '<>&"');
1686: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 1687: }
1688: return $result;
1689: }
1690:
1691: sub end_definetag {
1692: return '';
1.1 albertel 1693: }
1694:
1695: sub start_block {
1.201 albertel 1696: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 1697:
1698: my $result;
1.1 albertel 1699:
1.339 albertel 1700: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1701: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 1702: my $code = $token->[2]->{'condition'};
1.385 albertel 1703: if (defined($code) && $code ne '') {
1.137 albertel 1704: if (!$Apache::lonxml::default_homework_loaded) {
1705: &Apache::lonxml::default_homework_load($safeeval);
1706: }
1.131 albertel 1707: $result = &Apache::run::run($code,$safeeval);
1708: &Apache::lonxml::debug("block :$code: returned :$result:");
1709: } else {
1710: $result='1';
1711: }
1712: if ( ! $result ) {
1.201 albertel 1713: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 1714: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1715: }
1716: $result='';
1717: } elsif ($target eq 'edit') {
1718: $result .=&Apache::edit::tag_start($target,$token);
1719: $result .=&Apache::edit::text_arg('Test Condition:','condition',
1720: $token,40);
1721: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1722: } elsif ($target eq 'modified') {
1723: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1724: $safeeval,'condition');
1725: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 1726: }
1.131 albertel 1727: return $result;
1.1 albertel 1728: }
1729:
1730: sub end_block {
1.167 www 1731: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1732: my $result;
1733: if ($target eq "edit") {
1734: $result.= &Apache::edit::tag_end($target,$token,'');
1735: }
1736: return $result;
1737: }
1.500 foxr 1738: #
1739: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
1740: # ...
1741: # </languageblock>
1742: #
1743: # This declares the intent to provide content that can be rendered in the
1744: # set of languages in the include specificatino but not in the exclude
1745: # specification. If a currently preferred language is in the include list
1746: # the content in the <languageblock>...</languageblock> is rendered
1747: # If the currently preferred language is in the exclude list,
1748: # the content in the <languageblock>..></languageblock is not rendered.
1749: #
1750: # Pathalogical case handling:
1751: # - Include specified, without the preferred language but exclude specified
1752: # also without the preferred langauge results in rendering the block.
1753: # - Exclude specified without include and excluden not containing a
1754: # preferred language renders the block.
1755: # - Include and exclude both specifying the preferred language does not
1756: # render the block.
1757: # - If neither include/exclude is specified, the block gets rendered.
1758: #
1759: # This tag has no effect when target is in {edit, modified}
1760: #
1.167 www 1761: sub start_languageblock {
1.201 albertel 1762: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 1763:
1.500 foxr 1764: my $result = '';
1.167 www 1765:
1.339 albertel 1766: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1767: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 1768: my $include = $token->[2]->{'include'};
1769: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 1770: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 1771:
1772: # This should not even happen, since we should at least have the server language
1773:
1774: if (!$preferred_languages[0]) {
1775: $preferred_languages[0]='en';
1776: }
1777:
1778: # Now loop over all languages in order of preference
1779:
1780: my $render;
1.398 www 1781: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 1782:
1783: # If neither include/nor exlude is present the block is going
1784: # to get rendered.
1785:
1.399 www 1786: my $found=0;
1.500 foxr 1787: $render=1;
1788:
1789: # If include is specified, don't render the block
1790: # unless the preferred language is included in the set.
1791:
1.398 www 1792: if ($include) {
1.500 foxr 1793: $render=0;
1.398 www 1794: foreach my $included_language (split(/\,/,$include)) {
1795: if ($included_language eq $preferred_language) {
1.500 foxr 1796: $render=1;
1.399 www 1797: $found=1;
1.500 foxr 1798: last; # Only need to find the first.
1.398 www 1799: }
1800: }
1801: }
1.500 foxr 1802: # Do we have an exclude argument?
1803: # If so, and one of the languages matches a preferred language
1804: # inhibit rendering the block. Note that in the pathalogical case the
1805: # author has specified a preferred language in both the include and exclude
1806: # attribte exclude is preferred.
1807:
1.398 www 1808: if ($exclude) {
1.500 foxr 1809: $render=1;
1.398 www 1810: foreach my $excluded_language (split(/\,/,$exclude)) {
1811: if ($excluded_language eq $preferred_language) {
1.500 foxr 1812: $render=0;
1.399 www 1813: $found=1;
1.500 foxr 1814: last; # Only need to find the first.
1.398 www 1815: }
1816: }
1817: }
1.500 foxr 1818: if ($found) {
1819: last; # Done on any match of include or exclude.
1820: }
1.398 www 1821: }
1.500 foxr 1822: # If $render not true skip the entire block until </languageblock>
1823: #
1824:
1825: if ( ! $render ) {
1.201 albertel 1826: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
1827: $style);
1828: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
1829: }
1.500 foxr 1830: # If $render is true, we've not skipped the contents of the <languageglock>
1831: # and the normal loncapa processing flow will render it as a matter of course.
1832:
1.167 www 1833: } elsif ($target eq 'edit') {
1834: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 1835: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 1836: $token,40);
1.211 albertel 1837: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 1838: $token,40);
1839: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1840: } elsif ($target eq 'modified') {
1841: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 1842: $safeeval,'include',
1843: 'exclude');
1.167 www 1844: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1845: }
1846: return $result;
1847: }
1848:
1849: sub end_languageblock {
1.170 www 1850: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1851: my $result;
1.201 albertel 1852: if ($target eq "edit") {
1.170 www 1853: $result.= &Apache::edit::tag_end($target,$token,'');
1854: }
1855: return $result;
1856: }
1.500 foxr 1857: # languagblock specific tags:
1858: {
1859: # For chunks of a resource that has translations, this hash contains
1860: # the translations available indexed by language name.
1861: #
1862:
1863: my %available_texts;
1.170 www 1864:
1.500 foxr 1865: # <translated> starts a block of a resource that has multiple translations.
1866: # See the <lang> tag as well.
1867: # When </translated> is encountered if there is a translation for the
1868: # currently preferred language, that is rendered inthe web/tex/webgrade
1869: # targets. Otherwise, the default text is rendered.
1870: #
1871: # Note that <lang> is only registered for the duration of the
1872: # <translated>...</translated> block
1873: #
1874: # Pathalogical case handling:
1875: # - If there is no <lang> that specifies a 'default' and there is no
1876: # translation that matches a preferred language, nothing is rendered.
1877: # - Nested <translated>...</translated> might be linguistically supported by
1878: # XML due to the stack nature of tag registration(?) however the rendered
1879: # output will be incorrect because there is only one %available_texts
1880: # has and end_translated clears it.
1881: # - Material outside of a <lang>...</lang> block within the
1882: # <translated>...<translated> block won't render either e.g.:
1883: # <translated>
1884: # The following will be in your preferred langauge:
1885: # <lang which='en'>
1886: # This section in english
1887: # </lang>
1888: # <lang which='sgeiso'>
1889: # Hier es ist auf Deutsch.
1890: # </lang>
1891: # <lang which='sfriso'>
1892: # En Francais
1893: # </lang>
1894: # </translated>
1895: #
1896: # The introductory text prior to the first <lang> tag is not rendered.
1897: #
1.397 albertel 1898: sub start_translated {
1899: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1900: &Apache::lonxml::register('Apache::structuretags',('lang'));
1901: undef(%available_texts);
1902: }
1903:
1904: sub end_translated {
1905: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1906: my $result;
1907: #show the translation on viewable targets
1908: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
1909: # or non-viewable targets, if it's embedded in something that
1910: # wants the output
1911: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
1912: && &Apache::lonxml::in_redirection() ) ) {
1913: my @possibilities = keys(%available_texts);
1914: my $which =
1915: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 1916: if ($target eq 'tex') {
1917: $result = &select_hyphenation($which);
1918: }
1919: $result .= $available_texts{$which};
1920: if ($target eq 'tex') {
1921: $result .= &select_metadata_hyphenation(); # Restore original language.
1922: }
1.397 albertel 1923: }
1924: undef(%available_texts);
1925: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
1926: return $result;
1927: }
1928:
1.500 foxr 1929: # <lang [which='language-name'] [other='lang1,lang2...']>
1930: # Specifies that the block contained within it is a translation
1931: # for a specific language specified by the 'which' attribute. The
1932: # 'other' attribute can be used by itself or in conjunction with
1933: # which to specify this tag _may_ be used as a translation for some
1934: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
1935: # specifying that the block provides a translation for US (primary)
1936: # Canadian, Australian and UK Englush.
1937: #
1938: # Comment: this seems a bit silly why not just support a list of languages
1939: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
1940: #
1941: # Effect:
1942: # The material within the <lang>..</lang> block is stored in the
1943: # specified set of $available_texts hash entries, the appropriate one
1944: # is selected at </translated> time.
1945: #
1946: # Pathalogical case handling:
1947: # If a language occurs multiple times within a <translated> block,
1948: # only the last one is rendered e.g.:
1949: #
1950: # <translated>
1951: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
1952: # Red green color blindness is quite common affecting about 7.8% of
1953: # the male population, but onloy about .65% of the female population.
1954: # </lang>
1955: # Red green colour blindness is quite common affecting about 7.8% of
1956: # the male population, but onloy about .65% of the female population.
1957: # <lang which='seniso', other='senisoCA,senisoAU'>
1958: # </translated>
1959: #
1960: # renders the correct spelling of color (colour) for people who have specified
1961: # a preferred language that is one of the British Commonwealth languages
1962: # even though those are also listed as valid selections for the US english
1963: # <lang> block.
1964: #
1.397 albertel 1965: sub start_lang {
1966: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1967: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1968: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1969: &Apache::lonxml::startredirection();
1970: }
1971: return '';
1972: }
1973:
1974: sub end_lang {
1975: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1976: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1977: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1978: my $result = &Apache::lonxml::endredirection();
1979: my $which = &Apache::lonxml::get_param('which',$parstack,
1980: $safeeval);
1.431 raeburn 1981: if ($which=~/\w/) {
1982: $available_texts{$which} = $result;
1983: }
1984: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
1985: $safeeval);
1986: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
1987: if ($language=~/\w/) {
1988: $available_texts{$language} = $result;
1989: }
1.427 bisitz 1990: }
1991:
1.397 albertel 1992: }
1993: return '';
1994: }
1.500 foxr 1995: } # end langauge block specific tags.
1996:
1.397 albertel 1997:
1.170 www 1998: sub start_instructorcomment {
1.201 albertel 1999: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2000:
2001: my $result;
2002:
1.339 albertel 2003: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2004: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2005: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2006: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2007: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2008: $parser,$style);
1.170 www 2009: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2010: }
2011: $result='';
2012: } elsif ($target eq 'edit') {
2013: $result .=&Apache::edit::tag_start($target,$token);
2014: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2015: }
2016: return $result;
2017: }
2018:
2019: sub end_instructorcomment {
1.159 albertel 2020: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2021: my $result;
2022: if ($target eq "edit") {
2023: $result.= &Apache::edit::tag_end($target,$token,'');
2024: }
2025: return $result;
1.4 tsai 2026: }
2027:
2028: sub start_while {
1.326 albertel 2029: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2030:
1.160 albertel 2031: my $result;
1.339 albertel 2032: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2033: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2034: my $code = $token->[2]->{'condition'};
1.4 tsai 2035:
1.160 albertel 2036: push( @Apache::structuretags::whileconds, $code);
2037: if (!$Apache::lonxml::default_homework_loaded) {
2038: &Apache::lonxml::default_homework_load($safeeval);
2039: }
2040: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2041: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2042: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2043: push( @Apache::structuretags::whileline, $token->[5]);
2044: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2045: if ( $result ) {
2046: &Apache::lonxml::newparser($parser,\$bodytext);
2047: }
2048: } elsif ($target eq 'edit') {
2049: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2050: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2051: $token,40);
2052: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2053: } elsif ($target eq 'modified') {
2054: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2055: $safeeval,'condition');
2056: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2057: }
1.160 albertel 2058: return $result;
1.4 tsai 2059: }
2060:
2061: sub end_while {
1.159 albertel 2062: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2063: my $result;
2064:
1.339 albertel 2065: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2066: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2067: my $code = pop(@Apache::structuretags::whileconds);
2068: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2069: my $line = pop(@Apache::structuretags::whileline);
2070: my $return = &Apache::run::run($code,$safeeval);
2071: my $starttime=time;
2072: my $error=0;
2073: while ($return) {
2074: if (time-$starttime >
2075: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2076: $return = 0; $error=1; next;
1.161 albertel 2077: }
2078: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2079: if ($target eq 'grade' || $target eq 'answer' ||
2080: $target eq 'analyze') {
2081: # grade/answer/analyze should produce no output but if we
2082: # are redirecting, the redirecter should know what to do
2083: # with the output
2084: if (!$Apache::lonxml::redirection) { undef($result); }
2085: }
1.161 albertel 2086: $return = &Apache::run::run($code,$safeeval);
2087: }
1.516 bisitz 2088: if ($error) {
2089: &Apache::lonxml::error(
2090: '<pre>'
2091: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2092: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2093: .&mt('This occurred while running <while> on line [_1].',
2094: $line)
2095: .'</pre>');
2096: }
1.160 albertel 2097: } elsif ($target eq "edit") {
2098: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2099: }
1.160 albertel 2100: return $result;
1.1 albertel 2101: }
1.6 tsai 2102:
1.160 albertel 2103: # <randomlist show="1">
1.6 tsai 2104: # <tag1>..</tag1>
2105: # <tag2>..</tag2>
2106: # <tag3>..</tag3>
1.160 albertel 2107: # ...
1.6 tsai 2108: # </randomlist>
2109: sub start_randomlist {
1.326 albertel 2110: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2111: my $result;
1.339 albertel 2112: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2113: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2114: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2115: my $b_parser= HTML::LCParser->new(\$body);
2116: $b_parser->xml_mode(1);
2117: $b_parser->marked_sections(1);
1.159 albertel 2118: my $b_tok;
2119: my @randomlist;
2120: my $list_item;
2121: while($b_tok = $b_parser->get_token() ) {
2122: if($b_tok->[0] eq 'S') { # start tag
2123: # get content of the tag until matching end tag
2124: # get all text upto the matching tag
2125: # and push the content into @randomlist
2126: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2127: $b_parser);
2128: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2129: push(@randomlist,$list_item);
2130: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2131: # $list_item</b>";
2132: }
2133: if($b_tok->[0] eq 'T') { # text
2134: # what to do with text in between tags?
2135: # print "<b>TEXT $b_tok->[1]</b><br />";
2136: }
2137: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2138: # print "<b>END-TAG $b_tok->[1]</b><br />";
2139: # }
2140: }
1.303 albertel 2141: if (@randomlist) {
2142: my @idx_arr = (0 .. $#randomlist);
2143: &Apache::structuretags::shuffle(\@idx_arr);
2144: my $bodytext = '';
2145: my $show=$#randomlist;
2146: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2147: $showarg--;
2148: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2149: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2150: my @currlist;
2151: my $part = $Apache::inputtags::part;
2152: if ($part ne '') {
2153: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2154: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2155: if (!(grep(/^\Q$part\E$/,@currlist))) {
2156: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2157: }
2158: } else {
2159: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2160: }
2161: }
2162: }
1.303 albertel 2163: for(0 .. $show) {
2164: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
2165: }
2166: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2167: }
2168: } elsif ($target eq 'edit' ) {
2169: $result .=&Apache::edit::tag_start($target,$token);
2170: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2171: $token,5);
2172: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2173: } elsif ($target eq 'modified' ) {
2174: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2175: $safeeval,'show');
2176: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2177: }
2178: return $result;
1.7 tsai 2179: }
2180:
2181: sub shuffle {
2182: my $a=shift;
2183: my $i;
1.303 albertel 2184: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 2185: &Apache::response::pushrandomnumber();
1.159 albertel 2186: for($i=@$a;--$i;) {
2187: my $j=int(&Math::Random::random_uniform() * ($i+1));
2188: next if $i == $j;
2189: @$a[$i,$j] = @$a[$j,$i];
2190: }
1.251 albertel 2191: &Apache::response::poprandomnumber();
1.7 tsai 2192: }
1.6 tsai 2193: }
2194:
2195: sub end_randomlist {
1.159 albertel 2196: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2197: my $result;
2198: if ($target eq 'edit' ) {
2199: $result=&Apache::edit::tag_end($target,$token,
2200: 'End Randomly Parsed Block');
2201: }
2202: return $result;
1.6 tsai 2203: }
2204:
1.283 albertel 2205: sub ordered_show_check {
2206: my $last_part=$Apache::inputtags::partlist[-2];
2207: my $in_order=
2208: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2209: my $in_order_show=1;
2210: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2211: $in_order_show=&Apache::response::check_status($last_part);
2212: }
2213: return $in_order_show;
2214: }
2215:
1.469 www 2216:
2217: sub start_startpartmarker {
2218: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2219: my $result='';
2220: if ($target eq 'edit') {
2221: $result=&Apache::edit::tag_start($target,$token);
2222: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2223: $result.=&Apache::edit::end_table();
2224:
2225: }
2226: return $result;
2227: }
2228:
2229: sub end_startpartmarker {
2230: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2231: my @result;
2232: if ($target eq 'edit') { $result[1]='no'; }
2233: return @result;
2234: }
2235:
2236: sub start_endpartmarker {
2237: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2238: my $result='';
2239: if ($target eq 'edit') {
2240: $result=&Apache::edit::tag_start($target,$token);
2241: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
2242: $result.=&Apache::edit::end_table();
2243:
2244: }
2245: return $result;
2246: }
2247:
2248: sub end_endpartmarker {
2249: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2250: my @result;
2251: if ($target eq 'edit') { $result[1]='no'; }
2252: return @result;
2253: }
2254:
2255:
2256:
2257:
2258:
1.11 albertel 2259: sub start_part {
1.326 albertel 2260: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 2261: if (!$Apache::lonxml::metamode) {
2262: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
2263: # duedates.
2264: }
1.159 albertel 2265: my $result='';
1.386 albertel 2266: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 2267: $Apache::inputtags::part=$id;
1.177 albertel 2268: push(@Apache::inputtags::partlist,$id);
2269: @Apache::inputtags::response=();
1.159 albertel 2270: @Apache::inputtags::previous=();
2271: @Apache::inputtags::previous_version=();
1.405 albertel 2272: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 2273: &Apache::response::reset_params();
2274:
1.159 albertel 2275: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 2276: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
2277: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.283 albertel 2278: my $in_order_show=&ordered_show_check();
1.214 albertel 2279: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 2280: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 2281: &Apache::run::run($expression,$safeeval);
1.159 albertel 2282:
2283: if ($target eq 'meta') {
1.224 www 2284: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
2285: return &Apache::response::mandatory_part_meta.
2286: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 2287: } elsif ($target eq 'web' || $target eq 'grade' ||
2288: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 2289: if ($hidden || !$in_order_show) {
1.326 albertel 2290: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 2291: } else {
2292: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
2293: push (@Apache::inputtags::status,$status);
2294: my $expression='$external::datestatus="'.$status.'";';
2295: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
2296: &Apache::run::run($expression,$safeeval);
1.284 albertel 2297: if ($env{'request.state'} eq 'construct') {
1.241 albertel 2298: &set_problem_state($Apache::inputtags::part);
1.240 albertel 2299: }
1.216 albertel 2300: if (( $status eq 'CLOSED' ) ||
2301: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2302: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 2303: ( $status eq 'BANNED') ||
2304: ( $status eq 'UNAVAILABLE') ||
2305: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 2306: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
2307: $style);
1.159 albertel 2308: if ( $target eq "web" ) {
1.211 albertel 2309: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 2310: } elsif ( $target eq 'tex' ) {
1.284 albertel 2311: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 2312: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 2313: } else {
1.211 albertel 2314: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 2315: }
1.159 albertel 2316: }
2317: } else {
2318: if ($target eq 'tex') {
1.284 albertel 2319: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 2320: if ($$tagstack[-2] eq 'td') {
1.388 foxr 2321: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 2322: } else {
2323: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
2324: }
1.195 sakharuk 2325: }
1.159 albertel 2326: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 2327: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.222 sakharuk 2328: my @allkeys = split /,/,$allkeys;
2329: my $allow_print_points = 0;
2330: foreach my $partial_key (@allkeys) {
1.230 albertel 2331: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 2332: if ($1 ne '0') {$allow_print_points=1;}
2333: }
2334: }
1.275 albertel 2335: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2336: if (defined($maxtries) && $maxtries < 0) {
2337: $allow_print_points=0;
2338: }
1.302 albertel 2339: if (lc($env{'course.'.$env{'request.course.id'}.
2340: '.disableexampointprint'}) eq 'yes') {
2341: $allow_print_points=0;
2342: }
1.463 foxr 2343: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 2344: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2345:
2346: }
1.233 www 2347: } elsif ($target eq 'web') {
1.479 raeburn 2348: if ($status eq 'CAN_ANSWER') {
2349: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2350: my $probrandomize = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].type");
2351: my $probrandtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].randomizeontries");
2352: my $num = scalar(@Apache::inputtags::partlist)-1;
2353: if ($probrandomize eq 'randomizetry') {
2354: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") ne 'randomizetry') {
2355: $result .= &randomizetry_part_header($problemstatus,'none',$num);
2356: } else {
2357: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2358: if ($probrandtries ne $reqtries) {
2359: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2360: }
2361: }
2362: } elsif (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") eq 'randomizetry') {
2363: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2364: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2365: }
2366: }
1.475 raeburn 2367: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 2368: }
2369: }
2370: }
2371: } elsif ($target eq 'edit') {
2372: $result.=&Apache::edit::tag_start($target,$token);
2373: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
2374: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 2375: ' '.
2376: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 2377: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
2378: } elsif ($target eq 'modified') {
2379: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 2380: $safeeval,'id','display');
1.159 albertel 2381: if ($constructtag) {
1.225 albertel 2382: #limiting ids to only letters numbers, and space
1.224 www 2383: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 2384: $result = &Apache::edit::rebuild_tag($token);
2385: }
2386: }
2387: return $result;
1.11 albertel 2388: }
2389:
2390: sub end_part {
1.159 albertel 2391: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2392: &Apache::lonxml::debug("in end_part $target ");
2393: my $status=$Apache::inputtags::status['-1'];
2394: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 2395: my $in_order_show=&ordered_show_check();
1.321 albertel 2396: my $result;
2397: if (!$Apache::lonxml::metamode) {
2398: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 2399: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2400: }
1.312 albertel 2401: if ($target eq 'grade') {
1.249 albertel 2402: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 2403: !$hidden && $in_order_show) {
1.311 foxr 2404: $result.=&Apache::inputtags::grade;
1.249 albertel 2405: } else {
2406: # move any submission data to .hidden
2407: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2408: }
1.283 albertel 2409: } elsif (($target eq 'web' || $target eq 'tex') &&
2410: !$hidden && $in_order_show) {
1.159 albertel 2411: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
2412: $target);
1.490 raeburn 2413: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
2414: ($env{'form.grade_imsexport'})) {
1.212 albertel 2415: $gradestatus='';
2416: }
1.311 foxr 2417: $result.=$gradestatus;
1.265 sakharuk 2418: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 2419: } elsif ($target eq 'edit') {
1.311 foxr 2420: $result.=&Apache::edit::end_table();
1.322 albertel 2421: } elsif ($target eq 'modified') {
2422: $result .= $token->[2];
1.159 albertel 2423: }
2424: pop @Apache::inputtags::status;
2425: $Apache::inputtags::part='';
1.295 albertel 2426: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 2427: return $result;
1.11 albertel 2428: }
1.1 albertel 2429:
1.25 albertel 2430: sub start_preduedate {
1.326 albertel 2431: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 2432: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2433: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 2434: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 2435: if (!$Apache::lonhomework::scantronmode &&
2436: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 2437: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
2438: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 2439: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 2440: }
1.24 albertel 2441: }
1.159 albertel 2442: return '';
1.24 albertel 2443: }
2444:
1.25 albertel 2445: sub end_preduedate {
1.159 albertel 2446: return '';
1.24 albertel 2447: }
2448:
1.369 foxr 2449: # In all the modes where <postanswerdate> text is
2450: # displayable, all we do is eat up the text between the start/stop
2451: # tags if the conditions are not right to display it.
1.25 albertel 2452: sub start_postanswerdate {
1.326 albertel 2453: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 2454: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
2455: &Apache::lonnet::allowed('pav',
2456: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 2457: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 2458: $target eq 'tex' ) {
1.300 albertel 2459: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 2460: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
2461: (($target eq 'tex') && !$pav)) {
1.326 albertel 2462: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 2463: }
2464: }
2465: return '';
1.24 albertel 2466: }
2467:
1.25 albertel 2468: sub end_postanswerdate {
1.159 albertel 2469: return '';
1.24 albertel 2470: }
2471:
1.25 albertel 2472: sub start_notsolved {
1.326 albertel 2473: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2474: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 2475: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 2476: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
2477: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 2478: if ($gradestatus =~ /^correct/ &&
2479: &Apache::response::show_answer()) {
1.159 albertel 2480: &Apache::lonxml::debug("skipping");
1.326 albertel 2481: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 2482: }
1.24 albertel 2483: }
1.159 albertel 2484: return '';
1.24 albertel 2485: }
2486:
1.25 albertel 2487: sub end_notsolved {
1.159 albertel 2488: return '';
1.24 albertel 2489: }
2490:
2491: sub start_solved {
1.326 albertel 2492: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2493: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2494: $target eq 'tex') {
2495: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 2496: if ($gradestatus !~ /^correct/ ||
2497: !&Apache::response::show_answer()) {
1.326 albertel 2498: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 2499: }
1.24 albertel 2500: }
1.159 albertel 2501: return '';
1.24 albertel 2502: }
2503:
2504: sub end_solved {
1.248 albertel 2505: return '';
2506: }
2507:
2508: sub start_problemtype {
1.326 albertel 2509: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 2510: my $result;
1.339 albertel 2511: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2512: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 2513: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
2514: if (!defined($mode)) { $mode='show'; }
2515: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
2516: my $found=0;
2517: foreach my $type (split(',',$for)) {
2518: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
2519: }
2520: if ($mode eq 'show' && !$found) {
1.326 albertel 2521: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 2522: }
2523: if ($mode eq 'hide' && $found) {
1.326 albertel 2524: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 2525: }
2526: } elsif ($target eq 'edit') {
2527: $result .=&Apache::edit::tag_start($target,$token);
2528: $result.=&Apache::edit::select_arg('Mode:','mode',
2529: [['show','Show'],
2530: ['hide','Hide']]
2531: ,$token);
2532: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 2533: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 2534: ['survey','Survey'],
1.465 raeburn 2535: ['surveycred','Survey (with credit)'],
2536: ['anonsurvey','Anonymous Survey'],
2537: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 2538: ['problem','Homework Problem'],
1.479 raeburn 2539: ['practice','Practice Problem'],
2540: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 2541: ,$token);
2542: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2543: } elsif ($target eq 'modified') {
2544: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2545: $safeeval,'mode','for');
2546: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2547: }
2548: return $result;
2549: }
2550:
2551: sub end_problemtype {
1.159 albertel 2552: return '';
1.24 albertel 2553: }
1.34 albertel 2554:
2555: sub start_startouttext {
1.159 albertel 2556: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2557: my @result=(''.'');
2558: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 2559:
2560: my $nesting =
2561: &Apache::lonxml::set_state('outtext',
2562: &Apache::lonxml::get_state('outtext')+1);
2563: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
2564: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
2565: }
1.159 albertel 2566: return (@result);
1.34 albertel 2567: }
1.159 albertel 2568:
1.34 albertel 2569: sub end_startouttext {
1.326 albertel 2570: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2571: my $result='';
2572: my $text='';
2573: if ($target eq 'edit') {
1.424 foxr 2574: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 2575: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.437 raeburn 2576: $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>"
1.438 bisitz 2577: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 2578: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 2579: .'</span></td>'
1.515 golterma 2580: .'<td><span id="math_'.$areaid.'">'
1.474 raeburn 2581: .&Apache::lonhtmlcommon::dragmath_button($areaid,1)
1.512 bisitz 2582: .'</span></td>'
1.474 raeburn 2583: .'<td>'
2584: .&Apache::edit::insertlist($target,$token)
2585: .'</td>'
1.515 golterma 2586: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 2587: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 2588: &Apache::edit::end_row().
1.362 albertel 2589: &Apache::edit::start_spanning_row()."\n".
1.255 www 2590: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 2591: }
2592: if ($target eq 'modified') {
1.219 albertel 2593: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 2594: }
2595: if ($target eq 'tex') {
2596: $result .= '\noindent ';
2597: }
2598: return $result;
1.34 albertel 2599: }
1.159 albertel 2600:
1.34 albertel 2601: sub start_endouttext {
1.159 albertel 2602: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2603: my $result='';
2604: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
2605: if ($target eq "modified") {
2606: $result='<endouttext />'.
1.377 albertel 2607: &Apache::edit::handle_insertafter('startouttext');
2608: }
1.404 albertel 2609:
2610: my $nesting =
2611: &Apache::lonxml::set_state('outtext',
2612: &Apache::lonxml::get_state('outtext')-1);
2613: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
2614: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
2615: &Apache::lonxml::set_state('outtext', 0);
2616: }
1.159 albertel 2617: return $result;
1.34 albertel 2618: }
1.159 albertel 2619:
1.34 albertel 2620: sub end_endouttext {
1.159 albertel 2621: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2622: my @result=('','');
2623: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
2624: return (@result);
1.34 albertel 2625: }
1.159 albertel 2626:
1.45 albertel 2627: sub delete_startouttext {
1.326 albertel 2628: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2629: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 2630: my $text=$$parser['-1']->get_text("/endouttext");
2631: my $ntoken=$$parser['-1']->get_token();
2632: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
2633: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
2634: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
2635: # they did the last time round
2636: &Apache::lonxml::increasedepth($ntoken);
2637: &Apache::lonxml::decreasedepth($ntoken);
2638: return 1;
1.193 www 2639: }
2640:
2641: sub start_simpleeditbutton {
2642: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2643: my $result='';
1.284 albertel 2644: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 2645: ($target eq 'web') &&
1.330 albertel 2646: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 2647: my $url=$env{'request.noversionuri'};
1.193 www 2648: $url=~s/\?.*$//;
1.367 albertel 2649: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 2650: # Warning makes more sense and is more important on edit screen
1.442 bisitz 2651: # $result='<p class="LC_warning">'
2652: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
2653: # .&Apache::loncommon::help_open_topic('Caching')
2654: # .'</p>';
1.486 www 2655: $result.=&Apache::loncommon::head_subbox(
2656: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 2657: .&Apache::lonhtmlcommon::add_item_funclist(
2658: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
2659: .&mt('Edit').'</a>')
1.486 www 2660: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 2661:
1.193 www 2662: }
2663: return $result;
2664: }
2665:
2666: sub end_simpleeditbutton {
2667: return '';
1.45 albertel 2668: }
1.34 albertel 2669:
1.428 raeburn 2670: sub practice_problem_header {
2671: return '<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
2672: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
2673: '</span>';
2674: }
2675:
1.479 raeburn 2676: sub randomizetry_problem_header {
2677: my ($problemstatus,$reqtries) = @_;
2678: my ($header,$text);
2679: if ($reqtries > 1) {
2680: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
2681: if (($problemstatus eq 'no') ||
2682: ($problemstatus eq 'no_feedback_ever')) {
2683: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
2684: } else {
2685: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
2686: }
2687: } else {
2688: $header = &mt('New Problem Variation Each Try');
2689: if (($problemstatus eq 'no') ||
2690: ($problemstatus eq 'no_feedback_ever')) {
2691: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
2692:
2693: } else {
2694: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
2695: }
2696: }
2697: return '<span class="LC_info"><h3>'.$header.'</h3></span>'.
2698: '<span class="LC_info">'.$text.'</span><hr />';
2699: }
2700:
2701: sub randomizetry_part_header {
2702: my ($problemstatus,$reqtries,$num) = @_;
2703: my ($header,$text);
2704: if ($reqtries eq 'none') {
2705: $header = &mt('No Question Variation');
2706: $text = &mt('For this question there will no new variation after a try.');
2707: } elsif ($reqtries > 1) {
2708: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
2709: if (($problemstatus eq 'no') ||
2710: ($problemstatus eq 'no_feedback_ever')) {
2711: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
2712: } else {
2713: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
2714: }
2715: } else {
2716: $header = &mt('New Question Variation For Each Try');
2717: if (($problemstatus eq 'no') ||
2718: ($problemstatus eq 'no_feedback_ever')) {
2719: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
2720: } else {
2721: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
2722: }
2723: }
2724: my $output;
2725: if ($num > 1) {
2726: $output .= '<hr />';
2727: }
2728: $output .= '<span class="LC_info"><h4>'.$header.'</h4></span>'.
2729: '<span class="LC_info">'.$text.'</span><br /><br />';
2730: return $output;
2731: }
2732:
1.1 albertel 2733: 1;
2734: __END__
1.435 jms 2735:
2736: =pod
2737:
2738: =back
2739:
2740: =cut
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