Annotation of loncom/homework/structuretags.pm, revision 1.512.2.24.2.13
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.512.2.24.2. 3(raebur 4:4): # $Id: structuretags.pm,v 1.512.2.24.2.12 2024/02/27 22:23:13 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();
1.512.2.24.2. (raeburn 65:): use Apache::lonnavmaps;
1.267 albertel 66: use Time::HiRes qw( gettimeofday tv_interval );
1.512.2.24 raeburn 67: use HTML::Entities();
1.356 www 68: use lib '/home/httpd/lib/perl/';
69: use LONCAPA;
70:
1.78 harris41 71: BEGIN {
1.469 www 72: &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 73: }
74:
1.500 foxr 75:
76: #---------------------------------------------------------------------------------
77: #
78: # This section of code deals with hyphenation management.
79: # We must do three things:
80: # - keep track fo the desired languages to alter the header.
81: # - provide hyphenation selection as needed by each language that appears in the
82: # text.
83: # - Provide the header text needed to make available the desired hyphenations.
84: #
85: #
86:
87: # Hash whose keys are the languages encountered in the document/resource.
88: #
89:
90: my %languages_required;
91: ##
92: # Given a language selection as input returns a chunk of LaTeX that
93: # selects the required hyphenator.
94: #
95: # @param language - the language being selected.
96: # @return string
97: # @retval The LaTeX needed to select the hyphenation appropriate to the language.
98: #
99: sub select_hyphenation {
100: my $language = shift;
101:
102: $language = &Apache::loncommon::latexlanguage($language); # Translate -> latex language.
103:
104: # If there is no latex language there's not much we can do:
105:
106: if ($language) {
107: &require_language($language);
108: my $babel_hyphenation = "\\selectlanguage{$language}";
109:
110: return $babel_hyphenation;
111: } else {
112: return '';
113: }
114: }
115: ##
116: # Selects hyphenation based on the current problem metadata.
117: # This requires that
118: # - There is a language metadata item set for the problem.
119: # - The language has a latex/babel hyphenation.
120: #
121: # @note: Uses &Apache::lonxml::request to locate the Uri associated with
122: # this problem.
123: # @return string (possibly empty).
124: # @retval If not empty an appropriate \selectlanguage{} directive.
125: #
126: sub select_metadata_hyphenation {
127: my $uri = $Apache::lonxml::request->uri;
128: my $language = &Apache::lonnet::metadata($uri, 'language');
129: my $latex_language = &Apache::loncommon::latexhyphenation($language);
130: if ($latex_language) {
131: return '\selectlanguage{'.$latex_language."}\n";
132: }
133: return ''; # no latex hyphenation or no lang metadata.
134: }
135:
136:
137: ##
138: # Clears the set of languages required by the document being rendered.
139: #
140: sub clear_required_languages {
141: %languages_required = ();
142: }
143: ##
144: # Allows an external client of this module to register a need for a language:
145: #
146: # @param LaTeX language required:
147: #
148: sub require_language {
149: my $language = shift;
150: $languages_required{$language} = 1;
151: }
152:
153: ##
154: # Provides the header for babel that indicates the languages
155: # the document requires.
156: # @return string
157: # @retval \usepackage[lang1,lang2...]{babel}
158: # @retval '' if there are no languages_required.
159: sub languages_header {
160: my $header ='';
161: my @languages = (keys(%languages_required));
162:
163: # Only generate the header if there are languages:
164:
165: if (scalar @languages) {
166: my $language_list = join(',', (@languages));
167: $header = '\usepackage['.$language_list."]{babel}\n";
168: }
169: return $header;
170: }
171:
172: #----------------------------------------------------------------------------------
173:
1.10 albertel 174: sub start_web {
1.326 albertel 175: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.383 albertel 176: if ($target ne 'edit' && $target ne 'modified') {
177: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
178: if ($target eq 'web' || $target eq 'webgrade') {
179: return $bodytext;
180: }
181: } elsif ($target eq "edit" ) {
182: my $bodytext =
183: &Apache::lonxml::get_all_text_unbalanced("/web",$parser);
184: my $result = &Apache::edit::tag_start($target,$token);
185: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
186: return $result;
187: } elsif ( $target eq "modified" ) {
188: return $token->[4].&Apache::edit::modifiedfield("/web",$parser);
1.159 albertel 189: }
190: return '';
1.10 albertel 191: }
192:
193: sub end_web {
1.44 ng 194: return '';
1.10 albertel 195: }
196:
197: sub start_tex {
1.326 albertel 198: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.198 sakharuk 199: my $result='';
1.383 albertel 200: if ($target ne 'edit' && $target ne 'modified') {
201: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
202: if ($target eq 'tex') {
1.434 foxr 203:
204: # If inside a table, occurrences of \\ must be removed;
205: # else the table blows up.
206:
207: if (&Apache::londefdef::is_inside_of($tagstack, "table")) {
208: $bodytext =~ s/\\\\//g;
209: }
1.432 foxr 210: return $bodytext.'{}';
1.383 albertel 211: }
212: } elsif ($target eq "edit" ) {
213: my $bodytext =
214: &Apache::lonxml::get_all_text_unbalanced("/tex",$parser);
215: my $result = &Apache::edit::tag_start($target,$token);
216: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
217: return $result;
218: } elsif ( $target eq "modified" ) {
219: return $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
1.159 albertel 220: }
1.198 sakharuk 221: return $result;;
1.10 albertel 222: }
223:
224: sub end_tex {
1.44 ng 225: return '';
1.9 albertel 226: }
227:
1.400 albertel 228: sub homework_js {
1.512.2.9 raeburn 229: my ($postsubmit,$timeout);
230: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
231: my $crstype;
232: if (&Apache::loncommon::course_type() eq 'Community') {
233: $crstype = 'community';
234: } else {
235: if ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) {
236: $crstype = 'official';
237: } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.textbook'}) {
238: $crstype = 'textbook';
239: } else {
240: $crstype = 'unofficial';
241: }
242: }
243: $postsubmit = $env{'course.'.$env{'request.course.id'}.'.internal.postsubmit'};
244: if ($postsubmit eq '') {
245: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
246: $postsubmit = $domdefs{'postsubmit'};
247: unless ($postsubmit eq 'off') {
248: $timeout = $domdefs{$crstype.'postsubtimeout'};
249: }
250: } elsif ($postsubmit eq '0') {
251: $postsubmit = 'off';
252: } elsif ($postsubmit eq '1') {
253: $postsubmit = 'on';
254: $timeout = $env{'course.'.$env{'request.course.id'}.'.internal.postsubtimeout'};
255: if ($timeout eq '') {
256: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
257: $timeout = $domdefs{$crstype.'postsubtimeout'};
258: }
259: }
260: if ($timeout eq '') {
261: $timeout = 60;
262: }
263: } else {
264: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'request.role.domain'});
265: $postsubmit = $domdefs{'postsubmit'};
266: unless ($postsubmit eq 'off') {
267: $timeout = 60;
268: }
269: }
270: my $jstimeout = 0;
271: if ($timeout) {
272: $jstimeout = 1000 * $timeout;
273: }
1.400 albertel 274: return &Apache::loncommon::resize_textarea_js().
1.512.2.11 raeburn 275: &Apache::loncommon::colorfuleditor_js().
1.512.2.24.2. (raeburn 276:): &Apache::lonxml::setmode_javascript().
1.512.2.9 raeburn 277: <<"JS";
1.400 albertel 278: <script type="text/javascript">
1.483 raeburn 279: // <![CDATA[
1.494 raeburn 280: function setSubmittedPart (part,prefix) {
281: if (typeof(prefix) == 'undefined') {
282: this.document.lonhomework.submitted.value="part_"+part;
283: } else {
284: for (var i=0;i<this.document.lonhomework.elements.length;i++) {
285: if (this.document.lonhomework.elements[i].name == prefix+'submitted') {
286: this.document.lonhomework.elements[i].value="part_"+part;
287: }
288: }
289: }
1.400 albertel 290: }
291:
1.512.2.9 raeburn 292: function disableAutoComplete (id) {
293: var field = document.getElementById(id);
294: if (field != null && field != undefined){
295: if ('autocomplete' in field) {
296: field.autocomplete = "off";
297: } else {
298: field.setAttribute("autocomplete", "off");
299: }
300: }
301: }
302:
1.400 albertel 303: function image_response_click (which, e) {
304: init_geometry();
305: if (!e) { e = window.event; } //IE
306: var input_element = document.lonhomework.elements[which];
1.401 albertel 307: var token_element = document.lonhomework.elements[which+'_token'];
1.400 albertel 308: var token = token_element.value;
1.401 albertel 309: var img_element = document.getElementById(which+'_imageresponse');
1.400 albertel 310: var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
311: var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
312: var click = x+':'+y;
313: input_element.value = click;
1.485 raeburn 314: img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
1.400 albertel 315: }
1.512.2.9 raeburn 316:
317: var submithandled = 0;
318: var keypresshandled = 0;
319: var postsubmit = '$postsubmit';
320:
321: \$(document).ready(function(){
322: if (postsubmit != 'off') {
323: \$(document).keypress(function(event){
324: var keycode = (event.keyCode ? event.keyCode : event.which);
325: if ((keycode == '13') && (keypresshandled == 0)) {
326: if ( \$( document.activeElement ).hasClass("LC_textline") ) {
327: keypresshandled = 1;
328: var idsArray = \$( document.activeElement ).attr("id").split(/HWVAL_/);
329: if (idsArray.length) {
330: event.preventDefault();
331: var itemsArray = idsArray[1].split(/_/);
332: var buttonId = idsArray[0]+'submit_'+itemsArray[0];
333: \$("#"+buttonId).trigger("click");
334: }
335: }
336: }
337: });
338:
339: \$(document).delegate('form :submit', 'click', function( event ) {
340: if ( \$( this ).hasClass( "LC_hwk_submit" ) ) {
341: var buttonId = this.id;
342: var timeout = $jstimeout;
343: if (submithandled == 0) {
344: submithandled = 1;
345: \$( "#msg_"+buttonId ).css({"display": "inline","background-color": "#87cefa",
346: "color": "black","padding": "2px"}) ;
1.512.2.18 raeburn 347: if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
1.512.2.9 raeburn 348: if (buttonId != "all_submit") {
349: \$( ".LC_status_"+buttonId ).hide();
1.512.2.18 raeburn 350: }
351: if (( "#"+buttonId+"_pressed" ).length) {
352: \$( "#"+buttonId+"_pressed" ).val( "1" );
1.512.2.9 raeburn 353: }
354: } else {
355: \$( ".LC_status_"+buttonId ).hide();
356: }
357: \$(this.form).submit();
358: \$( ".LC_hwk_submit" ).prop( "disabled", true);
359: \$( ".LC_textline" ).prop( "readonly", "readonly");
360: event.preventDefault();
361:
362: if (timeout > 0) {
363: setTimeout(function(){
364: \$( "#msg_"+buttonId ).css({"display": "none"});
1.512.2.18 raeburn 365: if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
366: if (( "#"+buttonId+"_pressed" ).length) {
367: \$( "#"+buttonId+"_pressed" ).val( "" );
1.512.2.9 raeburn 368: }
369: }
370: \$( ".LC_hwk_submit" ).prop( "disabled", false);
371: \$( ".LC_textline" ).prop( "readonly", false);
372: submithandled = 0;
373: keypresshandled = 0;
374: }, timeout);
375: }
376: return true;
377: }
378: }
379: });
380: }
381: });
382:
1.483 raeburn 383: // ]]>
1.400 albertel 384: </script>
385: JS
386: }
387:
1.48 albertel 388: sub page_start {
1.345 albertel 389: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
390: $extra_head)=@_;
1.159 albertel 391: my %found;
1.207 albertel 392: foreach my $taginside (@$tagstack) {
1.159 albertel 393: foreach my $taglookedfor ('html','body','form') {
394: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
395: }
396: }
397:
1.343 albertel 398: if ($target eq 'tex') {
399: return
400: &Apache::londefdef::start_html($target,$token,$tagstack,
401: $parstack,$parser,$safeeval);
402: }
403:
1.474 raeburn 404: $extra_head .= &homework_js().
405: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
406: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1.512.2.12 raeburn 407: my %textarea_args;
408: if (($env{'request.state'} ne 'construct') ||
1.512.2.24.2. 3(raebur 409:4): (&Apache::loncommon::nocodemirror())) {
1.512.2.12 raeburn 410: %textarea_args = (
1.474 raeburn 411: dragmath => 'math',
412: );
1.512.2.12 raeburn 413: }
1.474 raeburn 414: $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
1.425 raeburn 415: }
1.478 raeburn 416: my $is_task = ($env{'request.uri'} =~ /\.task$/);
1.512.2.9 raeburn 417: my ($needs_upload,$partlist);
1.495 raeburn 418: my ($symb)= &Apache::lonnet::whichuser();
419: my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
1.478 raeburn 420: if ($is_task) {
1.495 raeburn 421: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
1.493 raeburn 422: } else {
423: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.uploadedfiletypes") ne '') {
1.495 raeburn 424: unless ($env{'request.state'} eq 'construct') {
425: my $navmap = Apache::lonnavmaps::navmap->new();
426: if (ref($navmap)) {
427: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 428: my $is_page;
429: if (ref($mapres)) {
430: $is_page = $mapres->is_page();
431: }
432: unless ($is_page) {
1.495 raeburn 433: $needs_upload = 1;
434: }
1.512.2.9 raeburn 435: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
436: my $res = $navmap->getBySymb($symb);
437: if (ref($res)) {
438: $partlist = $res->parts();
439: }
440: }
1.495 raeburn 441: }
442: }
1.493 raeburn 443: } else {
444: unless ($env{'request.state'} eq 'construct') {
445: my $navmap = Apache::lonnavmaps::navmap->new();
446: if (ref($navmap)) {
1.495 raeburn 447: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 448: my $is_page;
449: if (ref($mapres)) {
450: $is_page = $mapres->is_page();
451: }
1.512.2.9 raeburn 452: if ($is_page) {
453: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
454: my $res = $navmap->getBySymb($symb);
455: if (ref($res)) {
456: $partlist = $res->parts();
457: }
458: }
459: } else {
1.495 raeburn 460: my $res = $navmap->getBySymb($symb);
461: if (ref($res)) {
1.512.2.9 raeburn 462: $partlist = $res->parts();
1.495 raeburn 463: if (ref($partlist) eq 'ARRAY') {
464: foreach my $part (@{$partlist}) {
465: my @types = $res->responseType($part);
466: my @ids = $res->responseIds($part);
467: for (my $i=0; $i < scalar(@ids); $i++) {
468: if ($types[$i] eq 'essay') {
469: my $partid = $part.'_'.$ids[$i];
470: if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
471: $needs_upload = 1;
472: last;
473: }
1.493 raeburn 474: }
475: }
476: }
1.495 raeburn 477: }
478: }
1.493 raeburn 479: }
480: }
481: }
482: }
1.495 raeburn 483: if ($needs_upload) {
1.512.2.17 raeburn 484: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js().
485: '<script type="text/javascript" '.
486: 'src="/res/adm/includes/file_upload.js"></script>';
1.495 raeburn 487: }
1.478 raeburn 488: }
1.425 raeburn 489:
1.344 albertel 490: my %body_args;
491: if (defined($found{'html'})) {
492: $body_args{'skip_phases'}{'head'}=1;
493: } else {
1.343 albertel 494:
1.345 albertel 495: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 496:
1.379 albertel 497: $extra_head .= &Apache::londefdef::generate_css_links();
498:
1.384 albertel 499: if ($env{'request.state'} eq 'construct') {
1.343 albertel 500: $extra_head.=&Apache::edit::js_change_detection().
501: "<script type=\"text/javascript\">\n".
502: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
503: &Apache::loncommon::browser_and_searcher_javascript().
504: "\n</script>\n";
1.512.2.9 raeburn 505: if ($target eq 'edit') {
506: $extra_head .= &Apache::edit::js_update_linknum();
507: }
1.343 albertel 508: }
1.159 albertel 509: }
1.343 albertel 510:
1.446 bisitz 511: my $pageheader = '';
1.344 albertel 512: if (defined($found{'body'})) {
513: $body_args{'skip_phases'}{'body'}=1;
514: } elsif (!defined($found{'body'})
515: && $env{'request.state'} eq 'construct') {
1.343 albertel 516: if ($target eq 'web' || $target eq 'edit') {
1.512.2.3 raeburn 517: # Breadcrumbs for Authoring Space
1.450 bisitz 518: &Apache::lonhtmlcommon::clear_breadcrumbs();
519: &Apache::lonhtmlcommon::add_breadcrumb({
1.512.2.3 raeburn 520: 'text' => 'Authoring Space',
1.497 raeburn 521: 'href' => &Apache::loncommon::authorspace($env{'request.uri'}),
1.450 bisitz 522: });
1.460 droeschl 523: # breadcrumbs (and tools) will be created
524: # in start_page->bodytag->innerregister
525:
1.450 bisitz 526: # FIXME Where are we?
527: # &Apache::lonhtmlcommon::add_breadcrumb({
528: # 'text' => 'Problem Editing', # 'Problem Testing'
529: # 'href' => '',
530: # });
1.460 droeschl 531: $pageheader =&Apache::loncommon::head_subbox(
1.446 bisitz 532: &Apache::loncommon::CSTR_pageheader());
1.297 albertel 533: }
1.272 albertel 534: } elsif (!defined($found{'body'})) {
1.343 albertel 535: my %add_entries;
1.159 albertel 536: my $background=&Apache::lonxml::get_param('background',$parstack,
537: $safeeval);
1.343 albertel 538: if ($background ne '' ) {
539: $add_entries{'background'} = $background;
540: }
1.344 albertel 541:
1.290 albertel 542: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
543: $safeeval);
1.446 bisitz 544: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
1.344 albertel 545:
1.446 bisitz 546: $body_args{'bgcolor'} = $bgcolor;
547: # $body_args{'no_title'} = 1;
548: $body_args{'force_register'} = 1;
549: $body_args{'add_entries'} = \%add_entries;
1.466 droeschl 550: if ( $env{'request.state'} eq 'construct') {
1.446 bisitz 551: $body_args{'only_body'} = 1;
1.512.2.7 raeburn 552: } elsif ($target eq 'web') {
553: $body_args{'print_suppress'} = 1;
1.446 bisitz 554: }
1.344 albertel 555: }
1.365 albertel 556: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 557: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
558: \%body_args);
1.446 bisitz 559: $page_start .= $pageheader;
1.462 raeburn 560: if (!defined($found{'body'})
561: && $env{'request.state'} ne 'construct'
562: && ($target eq 'web' || $target eq 'webgrade')) {
563:
564: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
565: if ($symb eq '' && !$publicuser) {
566: $page_start .= '<p class="LC_info">'
567: .&mt('Browsing resource, all submissions are temporary.')
568: .'</p>';
1.457 bisitz 569: }
1.344 albertel 570: }
571:
1.409 albertel 572: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 573: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 574: }
575: my $form_tag_start;
576: if (!defined($found{'form'})) {
1.337 albertel 577: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.465 raeburn 578: my $uri = &Apache::loncommon::inhibit_menu_check(
1.455 droeschl 579: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.464 raeburn 580: $uri = &HTML::Entities::encode($uri,'<>&"');
1.327 albertel 581: $form_tag_start.=$uri.'" ';
582: if ($target eq 'edit') {
583: $form_tag_start.=&Apache::edit::form_change_detection();
584: }
1.493 raeburn 585: my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
586: my ($path,$multiresp) =
587: &Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom);
1.512.2.24.2. (raeburn 588:): if ($env{'request.user_in_effect'}) {
589:): $form_tag_start .= ' onsubmit="preventDefault();"';
590:): } elsif (($is_task) || ($needs_upload)) {
1.495 raeburn 591: $form_tag_start .= ' onsubmit="return file_submission_check(this,'."'$path','$multiresp'".');"';
1.478 raeburn 592: }
1.368 albertel 593: $form_tag_start.='>'."\n";
1.355 albertel 594:
595: if ($symb =~ /\S/) {
596: $symb=
597: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
598: $form_tag_start.=
1.368 albertel 599: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 600: }
1.159 albertel 601: }
1.512.2.9 raeburn 602: return ($page_start,$form_tag_start,$partlist);
1.105 albertel 603: }
604:
1.141 matthew 605: #use Time::HiRes();
1.105 albertel 606: sub get_resource_name {
1.159 albertel 607: my ($parstack,$safeeval)=@_;
1.388 foxr 608: my $name;
1.204 albertel 609: if (defined($Apache::lonhomework::name)) {
1.388 foxr 610: $name = $Apache::lonhomework::name;
611: } else {
612: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 613: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 614: if ($name eq '') {
615: $name=&Apache::lonnet::EXT('resource.title');
616: if ($name eq 'con_lost') { $name = ''; }
617: }
618: if ($name!~/\S+/) {
619: $name=$env{'request.uri'};
620: $name=~s-.*/([^/]+)$-$1-;
621: }
622: # The name has had html tags escaped:
623:
624: $name=~s/</</gs;
625: $name=~s/>/>/gs;
626:
627: $Apache::lonhomework::name=$name;
1.204 albertel 628: }
1.159 albertel 629: return $name;
1.105 albertel 630: }
631:
632: sub setup_rndseed {
1.512.2.9 raeburn 633: my ($safeeval,$target,$probpartlist)=@_;
1.367 albertel 634: my ($symb)=&Apache::lonnet::whichuser();
1.512.2.19 raeburn 635: my ($questiontype,$set_safespace,$rndseed,$numtries,$reqtries);
1.479 raeburn 636: if ($target eq 'analyze') {
637: $questiontype = $env{'form.grade_questiontype'};
638: }
639: unless (defined($questiontype)) {
640: $questiontype = $Apache::lonhomework::type;
641: }
1.512.2.19 raeburn 642: if ($Apache::lonhomework::type eq 'randomizetry') {
643: my $partfortries = $Apache::inputtags::part;
1.512.2.22 raeburn 644: #
645: # Where question type is "randomizetry" for a problem containing
646: # a single part (and unless type is explicitly set to not be
647: # "randomizetry" for that part), the number of tries used to
648: # determine randomization will be for that part, and randomization
649: # from calls to &random() in a perl script block before the part tag,
650: # will change based on the number of tries, and value of the
651: # "randomizeontries" parameter in effect for the single part.
652: #
1.512.2.19 raeburn 653: if (ref($probpartlist) eq 'ARRAY') {
1.512.2.22 raeburn 654: if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $partfortries)) {
655: if (&Apache::lonnet::EXT('resource.'.$probpartlist->[0].'.type') eq 'randomizetry') {
1.512.2.21 raeburn 656: $partfortries = $probpartlist->[0];
657: } else {
658: $partfortries = '';
659: }
1.512.2.19 raeburn 660: }
661: }
1.512.2.21 raeburn 662: if ($partfortries ne '') {
663: $numtries = $Apache::lonhomework::history{"resource.$partfortries.tries"};
664: $reqtries = &Apache::lonnet::EXT("resource.$partfortries.randomizeontries");
665: }
1.512.2.19 raeburn 666: }
1.512.2.24.2. (raeburn 667:): if (($env{'request.state'} eq "construct")
1.512.2.14 raeburn 668: || ($symb eq '')
669: || ($Apache::lonhomework::type eq 'practice')
1.512.2.24.2. (raeburn 670:): || ($Apache::lonhomework::history{'resource.CODE'})
1.512.2.14 raeburn 671: || (($env{'form.code_for_randomlist'}) && ($target eq 'analyze'))) {
1.316 www 672: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 673: ['rndseed']);
1.284 albertel 674: $rndseed=$env{'form.rndseed'};
1.159 albertel 675: if (!$rndseed) {
1.162 albertel 676: $rndseed=$Apache::lonhomework::history{'rndseed'};
677: if (!$rndseed) {
678: $rndseed=time;
679: }
1.512.2.14 raeburn 680: unless ($env{'form.code_for_randomlist'}) {
681: $env{'form.rndseed'}=$rndseed;
682: }
1.162 albertel 683: }
1.512.2.20 raeburn 684: if ((($env{'request.state'} eq "construct") || ($symb eq '')) &&
1.479 raeburn 685: ($Apache::lonhomework::type eq 'randomizetry')) {
1.512.2.19 raeburn 686: if ($numtries) {
687: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
688: my $inc = int($numtries/$reqtries);
689: $rndseed += $inc;
690: } else {
691: $rndseed += $numtries;
692: }
1.479 raeburn 693: }
1.480 raeburn 694: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.479 raeburn 695: }
1.512.2.24.2. 3(raebur 696:4): if ( ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 697: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 698: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 699: srand(time);
700: $rndseed=int(rand(2100000000));
1.284 albertel 701: $env{'form.rndseed'}=$rndseed;
702: delete($env{'form.resetdata'});
703: delete($env{'form.newrandomization'});
1.159 albertel 704: }
1.488 www 705: $rndseed=~s/\,/\:/g;
706: $rndseed=~s/[^\w\d\:\-]//g;
1.489 www 707: if (defined($rndseed)) {
708: my ($c1,$c2)=split(/\:/,$rndseed);
709: unless ($c2) { $c2=0; }
710: unless (($c1==int($c1)) && ($c2==int($c2))) {
711: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
712: }
1.187 albertel 713: }
1.512.2.14 raeburn 714: if (($env{'form.code_for_randomlist'}) && ($target eq 'analyze')) {
715: $env{'form.CODE'} = $env{'form.code_for_randomlist'};
716: $rndseed=&Apache::lonnet::rndseed();
717: undef($env{'form.CODE'});
718: } elsif ($Apache::lonhomework::history{'resource.CODE'}) {
1.247 albertel 719: $rndseed=&Apache::lonnet::rndseed();
720: }
1.479 raeburn 721: $set_safespace = 1;
722: } elsif ($questiontype eq 'randomizetry') {
723: if ($target eq 'analyze') {
724: if (defined($env{'form.grade_rndseed'})) {
725: $rndseed = $env{'form.grade_rndseed'};
726: }
727: }
728: unless (($target eq 'analyze') && (defined($rndseed))) {
729: $rndseed=&Apache::lonnet::rndseed();
1.512.2.19 raeburn 730: my $curr_try = $numtries;
1.479 raeburn 731: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
732: $curr_try ++;
733: }
734: if ($rndseed =~/^(\d+)[,:](\d+)$/) {
735: $rndseed = $1;
736: }
737: if ($curr_try) {
738: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
739: my $inc = int(($curr_try-1)/$reqtries);
740: $rndseed += $inc;
741: } else {
742: $rndseed += $curr_try;
743: }
744: }
745: }
746: $set_safespace = 1;
1.512.2.9 raeburn 747: if ($target eq 'grade') {
748: $Apache::lonhomework::rawrndseed = $rndseed;
749: }
1.479 raeburn 750: }
751: if ($set_safespace) {
752: if ($safeeval) {
753: &Apache::lonxml::debug("Setting rndseed to $rndseed");
754: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
755: }
756: }
757: unless (($env{'request.state'} eq "construct") || ($symb eq '')) {
758: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.159 albertel 759: }
760: return $rndseed;
1.105 albertel 761: }
762:
1.268 albertel 763: sub remember_problem_state {
764: return '
1.284 albertel 765: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
766: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
767: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 768: }
769:
1.487 www 770: sub problem_edit_action_button {
771: my ($name,$action,$accesskey,$text,$flag)=@_;
772: my $actionscript="setmode(this.form,'$action')";
773: return "\n<input type='button' name='$name' accesskey='$accesskey' value='".&mt($text)."'".
774: ($flag?&Apache::edit::submit_ask_anyway($actionscript):&Apache::edit::submit_dont_ask($actionscript))." />";
775: }
776:
1.423 www 777: sub problem_edit_buttons {
1.487 www 778: my ($mode)=@_;
1.512.2.24.2. 3(raebur 779:4): my %editors = &Apache::loncommon::permitted_editors();
1.512.2.11 raeburn 780: # Buttons that save
781: my $result = '<div style="float:right">';
782: if ($mode eq 'editxml') {
1.512.2.24.2. 3(raebur 783:4): if ($editors{'xml'}) {
784:4): $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
785:4): }
1.512.2.11 raeburn 786: $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
787: } else {
1.512.2.24.2. 3(raebur 788:4): if ($editors{'edit'}) {
789:4): $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
790:4): }
1.512.2.11 raeburn 791: $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
792: }
793: $result.="\n</div>\n";
1.487 www 794: # Buttons that do not save
1.512.2.11 raeburn 795: $result .= '<div>'.
1.487 www 796: &problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
797: if ($mode eq 'editxml') {
1.512.2.24.2. 3(raebur 798:4): if ($editors{'edit'}) {
799:4): $result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
800:4): }
801:4): if ($editors{'daxe'}) {
802:4): $result.=&problem_edit_action_button('subdaxe','daxe','w','Edit with Daxe',1);
803:4): }
1.487 www 804: $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
1.512.2.24.2. 3(raebur 805:4): if (&Apache::loncommon::nocodemirror()) {
1.512.2.11 raeburn 806: $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
807: }
1.487 www 808: } else {
1.512.2.24.2. 3(raebur 809:4): if ($editors{'xml'}) {
810:4): $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
811:4): }
812:4): if ($editors{'daxe'}) {
813:4): $result.=&problem_edit_action_button('subdaxe','daxe','w','Edit with Daxe',1);
814:4): }
1.487 www 815: $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
816: }
817: $result.="\n</div>";
818: return $result;
1.423 www 819: }
820:
821: sub problem_edit_header {
1.512.2.11 raeburn 822: my ($mode)=@_;
823: my $return = '<input type="hidden" name="submitted" value="edit" />'.
1.487 www 824: &remember_problem_state('edit').'
1.512.2.11 raeburn 825: <div class="LC_edit_problem_header">
826: <div class="LC_edit_problem_header_title">
827: '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
1.512.2.24.2. 3(raebur 828:4): </div><div class="LC_edit_actionbar" id="actionbar">'.
829:4): '<input type="hidden" name="problemmode" value="saveedit" />'.
830:4): &problem_edit_buttons();
1.512.2.11 raeburn 831:
832: $return .= '</div></div>' . &Apache::lonxml::message_location();
833: $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />
834: <script type="text/javascript" src="/adm/codemirror/codemirror-compressed-colorful.js"></script>';
835:
836: $return .= '<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
837: <script type="text/javascript">
838: // unless internet explorer
839: if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode || document.compatMode))){
840: $(document).ready(
841: function() {
842: $(\'.LC_edit_actionbar\').scrollToFixed(
843: {
844: fixed: function(){
845: //$(this).find(\'.LC_edit_actionbar\').css(\'height\', \'31px\');
846: $(this).find(\'.LC_edit_actionbar\');
847: }
848: }
849: );
850: }
851: );
852: }
853: </script>
854: <table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
855: return $return;
1.105 albertel 856: }
857:
1.512.2.11 raeburn 858:
1.105 albertel 859: sub problem_edit_footer {
1.512.2.11 raeburn 860: my $resource = $env{'request.ambiguous'};
1.412 albertel 861: return '</td></tr></table><br />
862: <div class="LC_edit_problem_footer">
1.453 bisitz 863: <hr />'.
1.423 www 864: &problem_edit_buttons().'
1.459 bisitz 865: <hr style="clear:both;" />
1.512.2.11 raeburn 866: <script type="text/javascript">
867: restoreState("'.$resource.'");
868: restoreScrollPosition("'.$resource.'");
869: </script>
1.412 albertel 870: </div>
871: '.
1.342 albertel 872: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 873: }
874:
1.235 albertel 875: sub option {
876: my ($value,$name) = @_;
877: my $result ="<option value='".$value."' ";
1.284 albertel 878: if ($env{'form.'.$name} eq $value) {
1.235 albertel 879: $result.=" selected='on' ";
880: }
881: $result.='>';
882: return $result;
883: }
884:
1.105 albertel 885: sub problem_web_to_edit_header {
1.159 albertel 886: my ($rndseed)=@_;
1.512.2.24.2. 3(raebur 887:4): my %editors = &Apache::loncommon::permitted_editors();
1.406 albertel 888: my $result .= '<div class="LC_edit_problem_header">';
889:
890: if (!$Apache::lonhomework::parsing_a_task) {
891: $result .=
892: '<div class="LC_edit_problem_header_title">'.
893: &mt('Problem Testing').
894: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
895: '</div>';
896: } else {
897: $result .=
898: '<div class="LC_edit_problem_header_title">'.
899: &mt('Task Testing').
900: '</div>';
901: }
902:
1.315 albertel 903: my $show_all_foils_text =
904: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 905: &mt('Show All Instances')
906: : &mt('Show All Foils');
1.315 albertel 907:
1.452 bisitz 908: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
909: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 910: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 911: $show_all.= ' /> '.$show_all_foils_text
912: .'</label></span>';
1.406 albertel 913:
914:
1.384 albertel 915:
1.406 albertel 916: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 917: if (!$Apache::lonhomework::parsing_a_task) {
918: $result.="
1.406 albertel 919: <div class='LC_edit_problem_header_row1'>
920: <span class=\"LC_nobreak\">
1.405 albertel 921: ".&mt("Problem Status:")."
1.235 albertel 922: <select name='problemstate'>
1.270 albertel 923: <option value=''></option>
1.235 albertel 924: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
925: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
926: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
927: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
928: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
929: </select>
1.406 albertel 930: </span>
931: <span class=\"LC_nobreak\">
1.405 albertel 932: ".&mt("Problem Type:")."
1.235 albertel 933: <select name='problemtype'>
1.270 albertel 934: <option value=''></option>
1.512.2.1 raeburn 935: ".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
1.428 raeburn 936: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 937: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 938: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
939: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
940: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 941: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.479 raeburn 942: ".&option('randomizetry' ,'problemtype').&mt("New Randomization Each Try")."</option>
1.235 albertel 943: </select>
1.406 albertel 944: </span>
945: $show_all
946: </div>
947: <div class='LC_edit_problem_header_row2'>
948: <span class=\"LC_nobreak\">
1.405 albertel 949: ".&mt("Feedback Mode:")."
1.235 albertel 950: <select name='problemstatus'>
951: <option value=''></option>
1.242 albertel 952: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.512.2.6 raeburn 953: ".&option('no', 'problemstatus').&mt("Don't Show Incorrect/Correct Feedback")."</option>
1.405 albertel 954: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 955: </select>
1.406 albertel 956: </span>
957: ";
958:
1.376 albertel 959: } elsif ($Apache::lonhomework::parsing_a_task) {
960: $result.="
1.406 albertel 961: <div class='LC_edit_problem_header_row1'>
962: <span class=\"LC_nobreak\">
1.405 albertel 963: ".&mt("Problem Status:")."
1.376 albertel 964: <select name='problemstate'>
965: <option value=''></option>
966: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
967: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
968: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
969: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
970: </select>
1.406 albertel 971: </span>
972: $show_all
973: ";
974: }
975: $result.='
976: <span class="LC_nobreak">
977: '.&mt('Apply style file: ').'
978: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
979: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
980: </span>
1.422 www 981: </div>
982: <div class="LC_edit_problem_header_row1">'.
983: &Apache::lonxml::renderingoptions().'
1.406 albertel 984: </div>
985: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
986: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
1.512.2.24.2. 3(raebur 987:4): <button type="submit" name="resetdata" accesskey="r" value="reset_submissions">
988:4): '.&mt('Reset Submissions').'</button>
1.406 albertel 989: </div>
1.453 bisitz 990: <hr />
1.406 albertel 991: <div class="LC_edit_problem_header_randomize_row">
992: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
993: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 994: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 995: $rndseed.'"
996: onchange="javascript:document.lonhomework.changerandseed.click()" />';
997:
998: if (!$Apache::lonhomework::parsing_a_task) {
999: my $numtoanalyze=$env{'form.numtoanalyze'};
1000: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 1001: $result .= '<span class="LC_nobreak">'.
1002: &mt('[_1] for [_2] versions.',
1.416 raeburn 1003: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 1004: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
1005: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 1006: $numtoanalyze.'" size="5" />').
1007: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
1008: '</span>';
1009:
1.313 albertel 1010: }
1.406 albertel 1011:
1012: $result.='
1013: </div>
1.453 bisitz 1014: <hr />
1.447 bisitz 1015: <div>';
1.416 raeburn 1016: $result.='<input type="hidden" name="problemmode" value="view" />';
1.512.2.24.2. 3(raebur 1017:4): if ($editors{'edit'}) {
1018:4): $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
1019:4): 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
1020:4): }
1021:4): if ($editors{'xml'}) {
1022:4): $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
1023:4): 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1024:4): }
1025:4): if (($editors{'daxe'}) &&
1026:4): ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9)) {
1027:4): my $uri = $env{'request.uri'};
1028:4): my $daxeurl = '/daxepage'.$uri;
1029:4): $result .= '<input type="button" accesskey="w" value="'.&mt('Edit with Daxe').'" '.
1030:4): 'onclick="javascript:setmode(this.form,'."'daxe'".')" />';
1031:4): }
1.408 albertel 1032: $result.='
1033: </div>
1.453 bisitz 1034: <hr />
1.409 albertel 1035: '.&Apache::lonxml::message_location().'
1.406 albertel 1036: </div>';
1.159 albertel 1037: return $result;
1.48 albertel 1038: }
1039:
1.65 albertel 1040: sub initialize_storage {
1.357 albertel 1041: my ($given_symb) = @_;
1.353 albertel 1042: undef(%Apache::lonhomework::results);
1043: undef(%Apache::lonhomework::history);
1.357 albertel 1044: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1045: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 1046:
1047: # anonymous users (CODEd exams) have no data
1048: if ($name eq 'anonymous'
1049: && !defined($domain)) {
1050: return;
1051: }
1052:
1.333 albertel 1053: if ($env{'request.state'} eq 'construct'
1054: || $symb eq ''
1055: || $Apache::lonhomework::type eq 'practice') {
1056:
1057: my $namespace = $symb || $env{'request.uri'};
1.512.2.24.2. 3(raebur 1058:4): if ($env{'form.resetdata'} eq 'reset_submissions' ||
1059:4): ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 1060: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 1061: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1062: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
1063: &Apache::lonxml::debug("Attempt reset");
1064: }
1.159 albertel 1065: %Apache::lonhomework::history=
1.333 albertel 1066: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.512.2.9 raeburn 1067: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1068: &Apache::lonxml::debug("Return message of $temp");
1069: } else {
1070: %Apache::lonhomework::history=
1071: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1072: }
1.353 albertel 1073:
1.159 albertel 1074: #ignore error conditions
1.512.2.9 raeburn 1075: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1076: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 1077: }
1078:
1.435 jms 1079: =pod
1080:
1081: =item finalize_storage()
1082:
1.512.2.9 raeburn 1083: Stores away the result hash to a student's environment;
1084: checks form.grade_ for specific values, otherwise stores
1085: to the running user's environment.
1086:
1087: &check_correctness_changes() is called in two circumstances
1088: in which the results hash is to be stored permanently, for
1089: grading triggered by a student's submission, where feedback on
1090: correctness is to be provided to the student.
1091:
1092: 1. Immediately prior to storing the results hash
1093:
1094: To handle the case where a student's submission (and award) were
1095: stored after history was retrieved in &initialize_storage(), e.g.,
1096: if a student submitted answers in quick succession (e.g., from
1097: multiple tabs). &Apache::inputtags::hidealldata() is called for
1098: any parts with out-of-order storage (i.e., correct then incorrect,
1099: where awarded >= 1 when correct).
1100:
1101: 2. Immediately after storing the results hash
1102:
1103: To handle the case where lond on the student's homeserver returns
1104: delay:N -- where N is the number of transactions between the last
1105: retrieved in &initialize_storage() and the last stored immediately
1106: before permanent storage of the current transaction via
1107: lond::store_handler(). &Apache::grades::makehidden() is called
1108: for any parts with out-of-order storage (i.e., correct then incorrect,
1109: where awarded >= 1 when correct).
1110:
1.512.2.24.2. (raeburn 1111:): Will call &store_aggregates() to increment totals for attempts,
1.512.2.9 raeburn 1112: students, and corrects, if running user has student role.
1.512.2.24.2. (raeburn 1113:):
1.435 jms 1114: =cut
1115:
1116:
1.65 albertel 1117: sub finalize_storage {
1.357 albertel 1118: my ($given_symb) = @_;
1.159 albertel 1119: my $result;
1.289 albertel 1120: if (%Apache::lonhomework::results) {
1.323 albertel 1121: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
1122: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 1123: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1124: &Apache::lonnet::whichuser($given_symb);
1.512.2.24.2. (raeburn 1125:): my ($passback,$pbscope,$pbmap,$pbsymb,$pbtype,$crsdef,$ltinum,
1126:): $ltiref,$total,$possible,$dopassback);
1.333 albertel 1127: if ($env{'request.state'} eq 'construct'
1128: || $symb eq ''
1129: || $Apache::lonhomework::type eq 'practice') {
1130: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 1131: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 1132: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 1133: $namespace,'',$domain,$name);
1.159 albertel 1134: &Apache::lonxml::debug('Construct Store return message:'.$result);
1135: } else {
1.512.2.24.2. (raeburn 1136:): my ($laststore,$checkedparts,@parts,%postcorrect,%record);
1.512.2.9 raeburn 1137: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1138: (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
1139: (!defined($env{'form.grade_courseid'}))) {
1.512.2.24.2. (raeburn 1140:): if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) {
1141:): my ($map)=&Apache::lonnet::decode_symb($symb);
1142:): $map = &Apache::lonnet::clutter($map);
1143:): if ($env{'request.lti.login'}) {
1144:): ($passback,$pbscope,$pbmap,$pbsymb,$ltinum,$ltiref) =
1145:): &needs_lti_passback($courseid,$symb,$map);
1146:): } elsif ($env{'request.deeplink.login'}) {
1147:): ($passback,$pbscope,$pbmap,$pbsymb,$crsdef,$ltinum,$ltiref) =
1148:): &needs_linkprot_passback($courseid,$symb,$map);
1149:): }
1150:): }
1.512.2.9 raeburn 1151: if ($Apache::lonhomework::history{'version'}) {
1152: $laststore = $Apache::lonhomework::history{'version'}.'='.
1153: $Apache::lonhomework::history{'timestamp'};
1154: } else {
1155: $laststore = '0=0';
1156: }
1.512.2.24.2. (raeburn 1157:): %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1.512.2.9 raeburn 1158: if ($record{'version'}) {
1159: my ($newversion,$oldversion,$oldtimestamp);
1160: if ($Apache::lonhomework::history{'version'}) {
1161: $oldversion = $Apache::lonhomework::history{'version'};
1162: $oldtimestamp = $Apache::lonhomework::history{'timestamp'};
1163: } else {
1164: $oldversion = 0;
1165: $oldtimestamp = 0;
1166: }
1167: if ($record{'version'} > $oldversion) {
1168: if ($record{'timestamp'} >= $oldtimestamp) {
1169: $laststore = $record{'version'}.'='.$record{'timestamp'};
1170: $newversion = $record{'version'} + 1;
1171: $checkedparts = 1;
1172: foreach my $key (keys(%Apache::lonhomework::results)) {
1173: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1174: my $part = $1;
1175: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1176: push(@parts,$part);
1177: }
1178: }
1179: }
1180: if (@parts) {
1181: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1182: \%record,\@parts,$newversion,
1183: $oldversion);
1184: if (@parts_to_hide) {
1185: foreach my $part (@parts_to_hide) {
1186: $postcorrect{$part} = 1;
1187: &Apache::inputtags::hidealldata($part);
1188: }
1189: }
1190: }
1191: }
1192: }
1193: }
1194: }
1.159 albertel 1195: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
1.512.2.9 raeburn 1196: $symb,$courseid,$domain,$name,$laststore);
1197: if ($result =~ /^delay\:(\d+)$/) {
1198: my $numtrans = $1;
1199: my ($oldversion) = split(/=/,$laststore);
1200: if ($numtrans) {
1201: my $newversion = $oldversion + 1 + $numtrans;
1202: my @possparts;
1203: if ($checkedparts) {
1204: foreach my $part (@parts) {
1205: unless ($postcorrect{$part}) {
1206: push(@possparts,$part);
1207: }
1208: }
1209: } else {
1210: foreach my $key (keys(%Apache::lonhomework::results)) {
1211: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1212: my $part = $1;
1213: unless ($postcorrect{$part}) {
1214: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1215: push(@possparts,$part);
1216: }
1217: }
1218: }
1219: }
1220: }
1221: if (@possparts) {
1222: my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1223: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1224: \%newrecord,\@possparts,$newversion,
1225: $oldversion);
1226: if (@parts_to_hide) {
1227: my $partslist = join(',',@parts_to_hide);
1228: &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1);
1229: }
1230: }
1231: }
1232: }
1.512.2.24.2. (raeburn 1233:): if ($passback) {
1234:): foreach my $key (keys(%Apache::lonhomework::results)) {
1235:): if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1236:): my $part = $1;
1237:): if ((($Apache::lonhomework::results{$key} =~ /^correct_/) ||
1238:): ($Apache::lonhomework::results{$key} eq 'incorrect_attempted')) &&
1239:): ($Apache::lonhomework::results{"resource.$part.tries"})) {
1240:): $dopassback = 1;
1241:): last;
1242:): }
1243:): }
1244:): }
1245:): }
1246:): if (($dopassback) && ($pbscope eq 'resource') && ($pbsymb eq $symb)) {
1247:): $total = 0;
1248:): $possible = 0;
1249:): my $navmap = Apache::lonnavmaps::navmap->new();
1250:): if (ref($navmap)) {
1251:): my $res = $navmap->getBySymb($symb);
1252:): if (ref($res)) {
1253:): my $partlist = $res->parts();
1254:): if (ref($partlist) eq 'ARRAY') {
1255:): foreach my $part (@{$partlist}) {
1256:): unless (exists($Apache::lonhomework::results{"resource.$part.solved"})) {
1257:): next if ($Apache::lonhomework::record{"resource.$part.solved"} =~/^excused/);
1258:): my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1259:): $possible += $weight;
1260:): if (($record{'version'}) && (exists($record{"resource.$part.awarded"}))) {
1261:): my $awarded = $record{"resource.$part.awarded"};
1262:): if ($awarded) {
1263:): $total += $weight * $awarded;
1264:): }
1265:): }
1266:): }
1267:): }
1268:): }
1269:): }
1270:): }
1271:): foreach my $key (keys(%Apache::lonhomework::results)) {
1272:): if ($key =~ /^resource\.([^\.]+)\.awarded$/) {
1273:): my $part = $1;
1274:): my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1275:): $possible += $weight;
1276:): my $awarded = $Apache::lonhomework::results{$key};
1277:): if ($awarded) {
1278:): $total += $weight * $awarded;
1279:): }
1280:): }
1281:): }
1282:): }
1.159 albertel 1283: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1284: &store_aggregates($symb,$courseid);
1.512.2.24.2. (raeburn 1285:): if ($dopassback) {
1286:): my $scoreformat = 'decimal';
1287:): if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) {
1288:): if (ref($ltiref) eq 'HASH') {
1289:): if ($ltiref->{'scoreformat'} =~ /^(decimal|ratio|percentage)$/) {
1290:): $scoreformat = $1;
1291:): }
1292:): }
1293:): }
1294:): my ($pbid,$pburl,$pbtype);
1295:): if ($env{'request.lti.login'}) {
1296:): $pbid = $env{'request.lti.passbackid'};
1297:): $pburl = $env{'request.lti.passbackurl'};
1298:): $pbtype = 'lti';
1299:): } elsif ($env{'request.deeplink.login'}) {
1300:): $pbid = $env{'request.linkprotpbid'};
1301:): $pburl = $env{'request.linkprotpburl'};
1302:): $pbtype = 'linkprot';
1303:): }
1304:): my $ltigrade = {
1305:): 'ltinum' => $ltinum,
1306:): 'lti' => $ltiref,
1307:): 'crsdef' => $crsdef,
1308:): 'cid' => $courseid,
1309:): 'uname' => $env{'user.name'},
1310:): 'udom' => $env{'user.domain'},
1311:): 'pbid' => $pbid,
1312:): 'pburl' => $pburl,
1313:): 'pbtype' => $pbtype,
1314:): 'scope' => $pbscope,
1315:): 'pbmap' => $pbmap,
1316:): 'pbsymb' => $pbsymb,
1317:): 'format' => $scoreformat,
1318:): };
1319:): if ($pbscope eq 'resource') {
1320:): $ltigrade->{'total'} = $total;
1321:): $ltigrade->{'possible'} = $possible;
1322:): }
1323:): push(@Apache::lonhomework::ltipassback,$ltigrade);
1324:): }
1.159 albertel 1325: }
1.323 albertel 1326: } else {
1327: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1328: }
1.159 albertel 1329: return $result;
1.65 albertel 1330: }
1331:
1.512.2.24.2. (raeburn 1332:): sub needs_lti_passback {
1333:): my ($courseid,$symb,$map) = @_;
1334:): if (($env{'request.lti.passbackid'}) && ($env{'request.lti.passbackurl'})) {
1335:): if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1336:): my ($cdom,$cnum) = ($1,$2);
1337:): my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider');
1338:): if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') {
1339:): if ($lti{$env{'request.lti.login'}}{'passback'}) {
1340:): my $itemnum = $env{'request.lti.login'};
1341:): my ($ltiscope,$ltiuri,$ltisymb) =
1342:): &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
1343:): $cdom,$cnum,1);
1344:): my ($passback,$ltimap);
1345:): if ($ltiscope eq 'resource') {
1346:): if ($ltisymb eq $symb) {
1347:): $passback = 1;
1348:): }
1349:): } elsif ($ltiscope eq 'map') {
1350:): if ($ltiuri eq $map) {
1351:): $passback = 1;
1352:): $ltimap = $map;
1353:): }
1354:): } elsif ($ltiscope eq 'course') {
1355:): if (($env{'request.lti.uri'} eq "/$cdom/$cnum") || ($env{'request.lti.uri'} eq '')) {
1356:): $passback = 1;
1357:): }
1358:): }
1359:): return ($passback,$ltiscope,$ltimap,$ltisymb,$itemnum,$lti{$itemnum});
1360:): }
1361:): }
1362:): }
1363:): }
1364:): return;
1365:): }
1366:):
1367:): sub needs_linkprot_passback {
1368:): my ($courseid,$symb,$map) = @_;
1369:): if (($env{'request.linkprotpbid'}) && ($env{'request.linkprotpburl'})) {
1370:): if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1371:): my ($cdom,$cnum) = ($1,$2);
1372:): my ($deeplink_symb,$deeplink_map,$deeplink,$passback);
1373:): $deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom);
1374:): if ($deeplink_symb) {
1375:): if ($deeplink_symb =~ /\.(page|sequence)$/) {
1376:): $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[2]);
1377:): my $navmap = Apache::lonnavmaps::navmap->new();
1378:): if (ref($navmap)) {
1379:): $deeplink = $navmap->get_mapparam(undef,$deeplink_map,'0.deeplink');
1380:): }
1381:): } else {
1382:): $deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$deeplink_symb);
1383:): $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[0]);
1384:): }
1385:): if (($deeplink ne '') && ($env{'request.linkprot'} ne '')) {
1386:): my ($itemid,$tinyurl) = split(/:/,$env{'request.linkprot'});
1387:): if ($itemid =~ /^(\d+)(c|d)$/) {
1388:): my ($itemnum,$itemtype) = ($1,$2);
1389:): my ($crsdef,$lti_in_use);
1390:): if ($itemtype eq 'c') {
1391:): $crsdef = 1;
1392:): my %crslti = &Apache::lonnet::get_course_lti($cnum,$cdom,'provider');
1393:): $lti_in_use = $crslti{$itemnum};
1394:): } else {
1395:): my %domlti = &Apache::lonnet::get_domain_lti($cdom,'linkprot');
1396:): $lti_in_use = $domlti{$itemnum};
1397:): }
1398:): my ($state,$others,$listed,$scope,$protect,$display,$target,$exit) = split(/,/,$deeplink);
1399:): my ($passback,$pbscope);
1400:): if ($scope eq 'res') {
1401:): if ($deeplink_symb eq $symb) {
1402:): $passback = 1;
1403:): $pbscope = 'resource';
1404:): }
1405:): } elsif ($scope eq 'map') {
1406:): if (&Apache::lonnet::clutter($deeplink_map) eq $map) {
1407:): $passback = 1;
1408:): $pbscope = 'nonrec';
1409:): }
1410:): } elsif ($scope eq 'rec') {
1411:): if (&Apache::lonnet::clutter($deeplink_map) eq $map) {
1412:): $passback = 1;
1413:): $pbscope = 'map';
1414:): } else {
1415:): my @recurseup = &Apache::lonnet::get_map_hierarchy($map,$env{'request.course.id'});
1416:): if (grep(/^\Q$deeplink_map\E$/,@recurseup)) {
1417:): $passback = 1;
1418:): $pbscope = 'map';
1419:): }
1420:): }
1421:): }
1422:): return ($passback,$pbscope,$deeplink_map,$deeplink_symb,$crsdef,$itemnum,$lti_in_use);
1423:): }
1424:): }
1425:): }
1426:): }
1427:): }
1428:): }
1429:):
1.435 jms 1430: =pod
1431:
1.512.2.9 raeburn 1432: =item check_correctness_changes()
1433:
1434: For all parts for which current results contain a solved status
1435: of "incorrect_attempted", check if there was a transaction in which
1436: solved was set to "correct_by_student" in the time since the last
1437: transaction (retrieved when &initialize_storage() was called i.e.,
1438: when &start_problem() was called), unless:
1439: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1440: (b) problemstatus is set to no or no_feedback_ever
1441: If such a transaction exists, and did not occur after "reset status"
1442: by a user with grading privileges, then the current transaction is an
1443: example of an out-of-order transaction (i.e., incorrect occurring after
1444: correct). Accordingly, the current transaction should be hidden.
1445:
1446: =cut
1447:
1448:
1449: sub check_correctness_changes {
1450: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1451: my @parts_to_hide;
1452: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1453: return @parts_to_hide;
1454: }
1455: if (@{$parts}) {
1456: my $usec;
1457: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1458: ($env{'request.course.id'} eq $courseid)) {
1459: $usec = $env{'request.course.sec'};
1460: } else {
1461: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1462: }
1463: foreach my $id (@{$parts}) {
1464: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1465: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1466: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1467: my $reset;
1468: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1469: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1470: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1471: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1472: $reset = 1;
1473: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1474: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1475: unless ($reset) {
1476: push(@parts_to_hide,$id);
1477: last;
1478: }
1479: }
1480: }
1481: }
1482: }
1483: return @parts_to_hide;
1484: }
1485:
1486: =pod
1487:
1.435 jms 1488: item store_aggregates()
1489:
1490: Sends hash of values to be incremented in nohist_resourcetracker.db
1491: for the course. Increments total number of attempts, unique students
1492: and corrects for each part for an instance of a problem, as appropriate.
1493:
1494: =cut
1495:
1.285 raeburn 1496: sub store_aggregates {
1497: my ($symb,$courseid) = @_;
1.479 raeburn 1498: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1499: my @parts;
1.288 albertel 1500: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1501: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1502: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1503: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1504: push(@parts, $1);
1.285 raeburn 1505: }
1506: }
1.286 albertel 1507: foreach my $part (@parts) {
1.470 raeburn 1508: if ($env{'request.role'} =~/^st/) {
1509: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1510: eq 'APPROX_ANS' ||
1511: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1512: eq 'EXACT_ANS') {
1513: $aggregate{$symb."\0".$part."\0correct"} = 1;
1514: }
1515: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1516: $aggregate{$symb."\0".$part."\0users"} = 1;
1517: } else {
1518: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1519: if ($last_reset) {
1520: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1521: $aggregate{$symb."\0".$part."\0users"} = 1;
1522: }
1523: }
1524: }
1525: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1526: }
1.470 raeburn 1527: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1528: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1529: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1530: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1531: $randtrycounter{$symb."\0".$part} = 1;
1532: } else {
1533: $anoncounter{$symb."\0".$part} = 1;
1534: }
1.470 raeburn 1535: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}};
1536: if ($needsrelease) {
1537: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1538: if ($curr_required eq '') {
1.471 raeburn 1539: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1540: } else {
1541: my ($currmajor,$currminor) = split(/\./,$curr_required);
1542: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1543: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1544: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1545: }
1.292 raeburn 1546: }
1547: }
1.285 raeburn 1548: }
1549: }
1.512.2.9 raeburn 1550: if (keys(%aggregate) > 0) {
1.289 albertel 1551: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1552: $cdomain,$cname);
1553: }
1.472 raeburn 1554: if (keys(%anoncounter) > 0) {
1.481 raeburn 1555: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1556: $cdomain,$cname);
1.472 raeburn 1557: }
1.479 raeburn 1558: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1559: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1560: $cdomain,$cname);
1.479 raeburn 1561: }
1.292 raeburn 1562: }
1.289 albertel 1563:
1.512.2.24.2. 0(raebur 1564:4): sub access_status_msg {
1565:4): my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_;
1566:4): my $msg;
1567:4): if ($target eq 'web') {
1568:4): if ($status eq 'UNAVAILABLE') {
1569:4): $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1570:4): } elsif ($status eq 'NOT_IN_A_SLOT') {
1571:4): $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1572:4): } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1573:4): ($status eq 'NOTRESERVABLE')) {
1574:4): $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1575:4): } elsif ($status ne 'NOT_YET_VIEWED') {
1576:4): $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1577:4): }
1578:4): if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1579:4): $msg.=&mt('The problem ').$accessmsg;
1580:4): } elsif ($status eq 'UNCHECKEDOUT') {
1581:4): $msg.=&checkout_msg();
1582:4): } elsif ($status eq 'NOT_YET_VIEWED') {
1583:4): $msg.=&firstaccess_msg($accessmsg,$symb);
1584:4): } elsif ($status eq 'NOT_IN_A_SLOT') {
1585:4): $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1586:4): } elsif ($status eq 'RESERVABLE') {
1587:4): $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1588:4): &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1589:4): '<br />'.
1590:4): &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1591:4): } elsif ($status eq 'RESERVABLE_LATER') {
1592:4): $msg.=&mt('Window to make a reservation will open [_1].',
1593:4): &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1594:4): } elsif ($status eq 'NOTRESERVABLE') {
1595:4): $msg.=&mt('Not available to make a reservation.');
1596:4): }
1597:4): $msg.='<br />';
1598:4): } elsif ($target eq 'tex') {
1599:4): my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1600:4): : '\begin{minipage}{\textwidth}';
1601:4):
1602:4): $msg ='\noindent \vskip 1 mm '.
1603:4): $startminipage.'\vskip 0 mm';
1604:4): if ($status eq 'UNAVAILABLE') {
2(raebur 1605:4): $msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.');
1606:4): } elsif ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1607:4): $msg.=&mt('Problem is not open to be viewed. It')." $accessmsg";
0(raebur 1608:4): } else {
2(raebur 1609:4): $msg.=&mt('Problem is not open to be viewed.');
0(raebur 1610:4): }
2(raebur 1611:4): $msg .= " \\vskip 0 mm ";
0(raebur 1612:4): }
1613:4): return $msg;
1614:4): }
1615:4):
1616:4): sub checkin_prompt {
1617:4): my ($target,$slot_name,$slot,$type) = @_;
1618:4): my $result;
1619:4): if ($target eq 'web') {
1620:4): $result = &Apache::bridgetask::proctor_validation_screen($slot);
1621:4): } elsif ($target eq 'grade') {
1622:4): if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) {
1623:4): $result = &mt('An error occurred during check-in');
1624:4): }
1625:4): }
1626:4): return $result;
1627:4): }
1628:4):
1629:4): sub selfcheckin_resource {
1630:4): my ($resource_due,$slot_name,$slot,$symb) = @_;
1631:4): if ($slot_name ne '') {
1632:4): my $checked_in =
1633:4): $Apache::lonhomework::history{'resource.0.checkedin'};
1634:4): if ($checked_in eq '') {
1635:4): # unproctored slot access, self checkin
1636:4): my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1637:4): $slot_name);
1638:4): if ($check =~ /^error: /) {
1639:4): &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name");
1640:4): } else {
1641:4): $checked_in = $Apache::lonhomework::results{"resource.0.checkedin"};
1642:4): }
1643:4): }
1644:4): if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1645:4): if ($slot->{'starttime'} < time()) {
1646:4): if (!$resource_due) {
1647:4): $resource_due = $slot->{'endtime'};
1648:4): } elsif ($slot->{'endtime'} < $resource_due) {
1649:4): $resource_due = $slot->{'endtime'};
1650:4): }
1651:4): }
1652:4): }
1653:4): }
1654:4): return $resource_due;
1655:4): }
1656:4):
1.65 albertel 1657: sub checkout_msg {
1.211 albertel 1658: my %lt=&Apache::lonlocal::texthash(
1659: 'resource'=>'The resource needs to be checked out',
1660: '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.',
1661: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.512.2.1 raeburn 1662: 'checkout'=>'Check out Exam for Viewing',
1663: 'checkout?'=>'Check out Exam?');
1.352 albertel 1664: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1665: return (<<ENDCHECKOUT);
1.211 albertel 1666: <h2>$lt{'resource'}</h2>
1667: <p>$lt{'id_expln'}</p>
1.449 bisitz 1668: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1669: <form name="checkout" method="post" action="$uri">
1.91 albertel 1670: <input type="hidden" name="doescheckout" value="yes" />
1.512.2.4 raeburn 1671: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1672: </form>
1673: ENDCHECKOUT
1674: }
1675:
1.252 albertel 1676: sub firstaccess_msg {
1.253 albertel 1677: my ($time,$symb)=@_;
1.414 albertel 1678: my $result;
1679: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1680: if ($interval[1] eq 'map') {
1681: my ($map)=&Apache::lonnet::decode_symb($symb);
1682: my $foldertitle=&Apache::lonnet::gettitle($map);
1683:
1684: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1685: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1686: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1687: ,$foldertitle,$time)."</p>";
1.414 albertel 1688: } elsif ($interval[1] eq 'course') {
1689: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1690: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1691: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1692: ,$course,$time)."</p>";
1.414 albertel 1693: } else {
1694: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1695: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1696: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1697: ,$title,$time)."</p>";
1.414 albertel 1698: }
1.352 albertel 1699: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1700: my $buttontext = &mt('Show Resource');
1701: my $timertext = &mt('Start Timer?');
1.512.2.24 raeburn 1702: my $shownsymb = &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb),'\'"<>&');
1.414 albertel 1703: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1704: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1705: <input type="hidden" name="markaccess" value="yes" />
1.512.2.24 raeburn 1706: <input type="hidden" name="symb" value="$shownsymb" />
1.512.2.4 raeburn 1707: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1708: </form>
1709: ENDCHECKOUT
1.414 albertel 1710: return $result;
1.252 albertel 1711: }
1712:
1.204 albertel 1713: sub init_problem_globals {
1714: my ($type)=@_;
1715: #initialize globals
1.308 foxr 1716: # For problems, we start out in part 0 (outside a <part> tag).
1717: # and part 0 is used to describe the main body of the <problem>
1718: #
1.204 albertel 1719: if ($type eq 'problem') {
1720: $Apache::inputtags::part='0';
1721: @Apache::inputtags::partlist=('0');
1.405 albertel 1722: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1723: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1724:
1.266 albertel 1725: } elsif ($type eq 'library') {
1.204 albertel 1726: $Apache::inputtags::part='';
1727: @Apache::inputtags::partlist=();
1.405 albertel 1728: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1729: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1730:
1.304 albertel 1731: } elsif ($type eq 'Task') {
1732: $Apache::inputtags::part='0';
1733: @Apache::inputtags::partlist=('0');
1.405 albertel 1734: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1735: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1736: }
1.477 www 1737: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1738: @Apache::inputtags::responselist = ();
1739: @Apache::inputtags::importlist = ();
1740: @Apache::inputtags::previous=();
1741: @Apache::inputtags::previous_version=();
1.512.2.10 raeburn 1742: $Apache::inputtags::leniency='';
1.204 albertel 1743: $Apache::structuretags::printanswer='No';
1744: @Apache::structuretags::whileconds=();
1745: @Apache::structuretags::whilebody=();
1746: @Apache::structuretags::whileline=();
1747: $Apache::lonhomework::scantronmode=0;
1.512.2.21 raeburn 1748: $Apache::lonhomework::randomizetrypart=0;
1.204 albertel 1749: undef($Apache::lonhomework::name);
1.358 albertel 1750: undef($Apache::lonhomework::default_type);
1751: undef($Apache::lonhomework::type);
1.204 albertel 1752: }
1753:
1754: sub reset_problem_globals {
1755: my ($type)=@_;
1756: undef(%Apache::lonhomework::history);
1757: undef(%Apache::lonhomework::results);
1758: undef($Apache::inputtags::part);
1.512.2.10 raeburn 1759: undef($Apache::inputtags::leniency);
1.498 raeburn 1760: if ($type eq 'Task') {
1761: undef($Apache::inputtags::slot_name);
1.512.2.9 raeburn 1762: } elsif ($type eq 'problem') {
1763: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1764: }
1.208 albertel 1765: #don't undef this, lonhomework.pm takes care of this, we use this to
1766: #detect if we try to do 2 problems in one file
1767: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1768: undef($Apache::lonhomework::name);
1.358 albertel 1769: undef($Apache::lonhomework::default_type);
1770: undef($Apache::lonhomework::type);
1771: undef($Apache::lonhomework::scantronmode);
1.512.2.21 raeburn 1772: undef($Apache::inputtags::randomizetrypart);
1.358 albertel 1773: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1774: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1775: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1776: }
1777:
1.241 albertel 1778: sub set_problem_state {
1.240 albertel 1779: my ($part)=@_;
1.284 albertel 1780: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1781: $Apache::lonhomework::history{"resource.$part.solved"}=
1782: 'correct_by_student';
1783: }
1784: }
1785:
1.241 albertel 1786: sub get_problem_status {
1787: my ($part)=@_;
1.267 albertel 1788: my $problem_status;
1.284 albertel 1789: if ($env{'request.state'} eq 'construct' &&
1790: defined($env{'form.problemstatus'})) {
1791: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1792: } else {
1793: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1794: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1795: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1796: }
1797: return $problem_status;
1798: }
1799:
1.9 albertel 1800: sub start_problem {
1.326 albertel 1801: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1802:
1.311 foxr 1803: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1804: if (!$Apache::lonxml::metamode) {
1805: &Apache::lonxml::startredirection();
1806: }
1.311 foxr 1807:
1.308 foxr 1808: # Problems don't nest and we don't allow more than one <problem> in
1809: # a .problem file.
1810: #
1.184 albertel 1811: if ( $Apache::inputtags::part ne '' ||
1812: $Apache::lonhomework::parsing_a_problem) {
1813: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1814: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1815: return '';
1816: }
1.184 albertel 1817:
1818: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1819: &init_problem_globals('problem');
1.166 albertel 1820:
1.284 albertel 1821: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1822: $Apache::lonhomework::scantronmode=1;
1823: }
1.161 albertel 1824:
1.159 albertel 1825: if ($target ne 'analyze') {
1.415 raeburn 1826: my $type = &Apache::lonnet::EXT('resource.0.type');
1827: $Apache::lonhomework::type=$type;
1.284 albertel 1828: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1829: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1830: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1831: }
1.332 albertel 1832: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1833: }
1.164 albertel 1834: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1835: my $uri=$env{'request.uri'};
1.159 albertel 1836: if ($uri=~/\.(\w+)$/) {
1837: $Apache::lonhomework::type=$1;
1838: &Apache::lonxml::debug("Using type of $1");
1839: } else {
1840: $Apache::lonhomework::type='problem';
1841: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1842: }
1.87 albertel 1843: }
1.301 albertel 1844: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1845:
1.363 albertel 1846: &initialize_storage();
1.389 albertel 1847: if ($target ne 'analyze'
1848: && $env{'request.state'} eq 'construct') {
1849: &set_problem_state('0');
1850: }
1851:
1.366 albertel 1852: if ($target eq 'web') {
1853: &Apache::lonxml::debug(" grading history ");
1854: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1855: }
1.363 albertel 1856:
1.159 albertel 1857: #added vars to the scripting enviroment
1.213 albertel 1858: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1859: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1860: &Apache::run::run($expression,$safeeval);
1.159 albertel 1861: my $status;
1862: my $accessmsg;
1.508 raeburn 1863: my $resource_due;
1.159 albertel 1864:
1.343 albertel 1865: my $name= &get_resource_name($parstack,$safeeval);
1.512.2.16 raeburn 1866: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres);
1.506 raeburn 1867:
1868: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1869: $target eq 'tex') {
1870: if ($env{'form.markaccess'}) {
1871: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.512.2.24.2. (raeburn 1872:): my ($timelimit) = ($interval[0] =~ /^(\d+)/);
1873:): my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit);
1.512.2.16 raeburn 1874: unless (($is_set eq 'ok') || ($is_set eq 'already_set')) {
1875: $firstaccres = $is_set;
1876: }
1.506 raeburn 1877: }
1878: }
1879:
1.354 albertel 1880: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1881: || $target eq 'edit') {
1.512.2.9 raeburn 1882: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1883: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1884: $name);
1.512.2.24.2. (raeburn 1885:): } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
1886:): ($target eq 'answer')) {
1.512.2.9 raeburn 1887: my ($symb)= &Apache::lonnet::whichuser();
1.512.2.22 raeburn 1888: if ($symb ne '') {
1889: my $navmap = Apache::lonnavmaps::navmap->new();
1890: if (ref($navmap)) {
1891: my $res = $navmap->getBySymb($symb);
1892: if (ref($res)) {
1893: $probpartlist = $res->parts();
1894: }
1.512.2.9 raeburn 1895: }
1896: }
1.350 albertel 1897: }
1898:
1.512.2.24.2. (raeburn 1899:): if (($target eq 'web') && ($env{'request.user_in_effect'})) {
1900:): &Apache::lonxml::get_all_text("/problem",$parser,$style);
1901:): return $result;
1902:): }
1903:):
1904:): if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1905:): $target eq 'tex') {
1906:):
1907:): my ($symb)= &Apache::lonnet::whichuser();
1908:): ($status,$accessmsg,$slot_name,$slot) =
1909:): &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
1910:): push (@Apache::inputtags::status,$status);
1911:): }
1912:):
1.284 albertel 1913: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1914:
1.479 raeburn 1915: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1916: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1917: $target eq 'tex') {
1.479 raeburn 1918:
1.512.2.22 raeburn 1919: my ($symb) = &Apache::lonnet::whichuser();
1.159 albertel 1920: #handle rand seed in construction space
1.512.2.22 raeburn 1921: if (($env{'request.state'} eq 'construct') || ($symb eq '')) {
1922: my $partorder=&Apache::lonnet::metadata($env{'request.uri'},'partorder');
1923: if ($partorder ne '') {
1924: @{$probpartlist} = split(/,/,$partorder);
1925: }
1926: }
1.512.2.9 raeburn 1927: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1928: if (($target eq 'grade') && &Apache::response::submitted()) {
1929: if ($Apache::lonhomework::type eq 'randomizetry') {
1930: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1931: } else {
1932: my @parts;
1933: if (ref($probpartlist) eq 'ARRAY') {
1934: @parts = @{$probpartlist};
1935: }
1936: unless (@parts) {
1937: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1938: }
1939: }
1940: }
1.479 raeburn 1941:
1.333 albertel 1942: if ($env{'request.state'} ne "construct" &&
1943: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.512.2.20 raeburn 1944: my $rndseedval = $rndseed;
1945: if (($symb eq '') && ($Apache::lonhomework::type eq 'randomizetry')) {
1946: $rndseedval = $env{'form.rndseed'};
1947: }
1.162 albertel 1948: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.512.2.20 raeburn 1949: $rndseedval.'" />'.
1.512.2.24.2. 3(raebur 1950:4): '<button type="submit" name="resetdata"
1951:4): value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1952: if (exists($env{'form.username'})) {
1953: $form_tag_start.=
1.164 albertel 1954: '<input type="hidden" name="username"
1.284 albertel 1955: value="'.$env{'form.username'}.'" />';
1.334 albertel 1956: }
1.462 raeburn 1957: if ($env{'request.role.adv'}) {
1958: $form_tag_start.= ' <label class="LC_nobreak">'
1959: .'<input type="checkbox" name="showallfoils"';
1960: if (defined($env{'form.showallfoils'})) {
1961: $form_tag_start.=' checked="checked"';
1962: }
1963: $form_tag_start.= ' /> '
1964: .&mt('Show All Foils')
1965: .'</label>';
1966: }
1.417 www 1967: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1968: $form_tag_start.=&practice_problem_header();
1.417 www 1969: }
1.462 raeburn 1970: $form_tag_start.='<hr />';
1.512.2.20 raeburn 1971: }
1972: if (($env{'request.state'} ne "construct") &&
1973: ($Apache::lonhomework::type eq 'randomizetry') &&
1974: ($status eq 'CAN_ANSWER')) {
1.512.2.21 raeburn 1975: my @parts;
1976: if (ref($probpartlist) eq 'ARRAY') {
1977: @parts = @{$probpartlist};
1978: }
1979: unless (@parts) {
1980: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1981: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1982: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries,$symb);
1983: }
1.479 raeburn 1984: }
1.324 albertel 1985:
1.159 albertel 1986: my $expression='$external::datestatus="'.$status.'";';
1987: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
1988: &Apache::run::run($expression,$safeeval);
1989: &Apache::lonxml::debug("Got $status");
1.324 albertel 1990:
1.159 albertel 1991: if (( $status eq 'CLOSED' ) ||
1992: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1993: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 1994: ( $status eq 'BANNED') ||
1.216 albertel 1995: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 1996: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 1997: ( $status eq 'NOTRESERVABLE') ||
1998: ( $status eq 'RESERVABLE') ||
1999: ( $status eq 'RESERVABLE_LATER') ||
1.216 albertel 2000: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 2001: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2002: $style);
1.512.2.24.2. 0(raebur 2003:4): if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
2004:4): $result .= '<p class="LC_error">'.
2005:4): &mt('A problem occurred when trying to start the timer.').'</p>';
2006:4): }
1(raebur 2007:4): $result .= &access_status_msg('problem',$status,$symb,$target,'',$accessmsg);
1.324 albertel 2008: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 2009: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2010: $style);
1.512.2.24.2. 0(raebur 2011:4): $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 2012: } elsif ($target eq 'web') {
1.508 raeburn 2013: if ($status eq 'CAN_ANSWER') {
2014: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
2015: if ($slot_name ne '') {
1.512.2.24.2. 0(raebur 2016:4): $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
2017:4): $env{'request.symb'});
1.508 raeburn 2018: }
2019: if ($resource_due) {
2020: my $time_left = $resource_due - time();
2021: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
2022: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
2023: }
2024: }
2025: }
1.368 albertel 2026: $result.="\n $form_tag_start \t".
1.227 albertel 2027: '<input type="hidden" name="submitted" value="yes" />';
2028: # create a page header and exit
1.284 albertel 2029: if ($env{'request.state'} eq "construct") {
2030: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.428 raeburn 2031: if ($Apache::lonhomework::type eq 'practice') {
1.512.2.24.2. 3(raebur 2032:4): $result.= '<button type="submit" name="resetdata" '.
2033:4): 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
1.428 raeburn 2034: &practice_problem_header().'<hr />';
1.512.2.19 raeburn 2035: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
2036: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2037: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2038: $result.=&randomizetry_problem_header($problemstatus,$reqtries);
1.428 raeburn 2039: }
1.227 albertel 2040: }
2041: # if we are viewing someone else preserve that info
1.284 albertel 2042: if (defined $env{'form.grade_symb'}) {
1.227 albertel 2043: foreach my $field ('symb','courseid','domain','username') {
2044: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 2045: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 2046: }
1.479 raeburn 2047: foreach my $field ('trial','questiontype') {
2048: if ($env{"form.grade_$field"} ne '') {
2049: $result .= '<input type="hidden" name="grade_'.$field.
2050: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
2051: }
2052: }
1.159 albertel 2053: }
1.490 raeburn 2054: if ($env{'form.grade_imsexport'}) {
2055: $result = '';
2056: }
1.159 albertel 2057: } elsif ($target eq 'tex') {
1.319 foxr 2058: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 2059: $result .= &select_metadata_hyphenation();
1.99 sakharuk 2060: }
1.159 albertel 2061: } elsif ($target eq 'edit') {
1.343 albertel 2062: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 2063: $Apache::lonxml::warnings_error_header=
2064: &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 2065: my $temp=&Apache::edit::insertlist($target,$token);
2066: $result.=$temp;
2067: } elsif ($target eq 'modified') {
2068: $result=$token->[4];
2069: } else {
2070: # page_start returned a starting result, delete it if we don't need it
2071: $result = '';
1.99 sakharuk 2072: }
1.159 albertel 2073: return $result;
1.9 albertel 2074: }
2075:
2076: sub end_problem {
1.159 albertel 2077: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 2078: my $result;
1.310 foxr 2079:
1.321 albertel 2080: if (!$Apache::lonxml::metamode) {
2081: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 2082: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2083: }
1.319 foxr 2084:
2085: if ($target eq 'tex') {
1.321 albertel 2086: # Figure out the front matter and replace the
2087: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
2088: # this in end_problem because whether or not we display due
2089: # dates depends on whether due dates have already been
2090: # displayed in the problem parts.
2091:
1.319 foxr 2092: my $frontmatter = '';
2093: my $startminipage = '';
2094: if (not $env{'form.problem_split'}=~/yes/) {
2095: $startminipage = '\begin{minipage}{\textwidth}';
2096: }
2097: my $id = $Apache::inputtags::part;
2098: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
2099: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.512.2.9 raeburn 2100: my @packages = split(/,/,$packages);
1.319 foxr 2101: my $allow_print_points = 0;
2102: foreach my $partial_key (@packages) {
2103: if ($partial_key=~m/^part_0$/) {
2104: $allow_print_points=1;
2105: }
2106: }
2107: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2108: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
2109: if (lc($env{'course.'.$env{'request.course.id'}.
2110: '.disableexampointprint'}) eq 'yes') {
2111: $allow_print_points=0;
2112: }
2113: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 2114: 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 2115: &clear_required_languages();
1.319 foxr 2116: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
2117: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
2118:
2119: # Figure out what the due date is and if we need to print
2120: # it in the problem header. We have been logging the
2121: # last due date written to file.
2122:
2123: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2124: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2125: my $duedate_text = &mt('Due date: [_1]'
2126: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2127: my $temp_file;
2128: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2129:
2130: # Figure out what the last printed due date is or set it
2131: # to the epoch if no duedates have been printed.
2132:
2133: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2134: if (-e $filename) {
2135: $temp_file = Apache::File->new($filename);
2136: my @due_file = <$temp_file>;
2137: $due_file_content = $due_file[$#due_file];
2138: chomp $due_file_content;
2139: }
2140:
2141: # We display the due date iff it is not the same as the last
2142: # duedate in problem header ($due_file_content), and
2143: # none of our parts displayed a duedate.
2144: #
2145: my $parts_with_displayduedate;
2146: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2147: $parts_with_displayduedate =
2148: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2149: } else {
2150: $parts_with_displayduedate = 0;
2151: }
2152: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2153: $temp_file = Apache::File->new('>'.$filename);
2154: print $temp_file "$duetime\n";
2155: if (not $env{'request.symb'} =~ m/\.page_/) {
2156: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2157: $frontmatter .= $begin_doc.
1.448 bisitz 2158: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2159: } else {
2160: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2161: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2162: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2163: }
1.319 foxr 2164: }
2165: } else {
1.448 bisitz 2166: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2167: }
2168: } else {
2169: if (not $env{'request.symb'} =~ m/\.page_/) {
2170: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2171: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2172: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2173: }
1.319 foxr 2174: } else {
1.381 albertel 2175: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2176: }
2177: }
2178: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1.512.2.24.2. (raeburn 2179:): } elsif ($target eq 'web') {
2180:): if ($env{'request.user_in_effect'}) {
2181:): &reset_problem_globals('problem');
2182:): $result .= &Apache::lonhtmlcommon::set_compute_end_time();
2183:): return $result;
2184:): }
1.319 foxr 2185: }
2186:
1.159 albertel 2187: my $status=$Apache::inputtags::status['-1'];
2188: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2189: $target eq 'tex') {
1.249 albertel 2190: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2191: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2192: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2193: &Apache::inputtags::grade;
1.324 albertel 2194: } elsif ($status eq 'NEEDS_CHECKIN') {
2195: # no need to grade, and don't want to hide data
1.249 albertel 2196: } else {
2197: # move any submission data to .hidden
2198: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2199: }
1.159 albertel 2200: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2201: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2202: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2203: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2204: # if part is zero, no <part>s existed, so we need show the current
2205: # grading status
2206: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2207: $result.= $gradestatus;
2208: }
2209: if (
1.284 albertel 2210: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2211: ($target eq 'answer') || ($target eq 'tex')
2212: ) {
1.490 raeburn 2213: if (($target ne 'tex') &&
2214: ($env{'form.answer_output_mode'} ne 'tex') &&
2215: (!$env{'form.grade_imsexport'})) {
1.254 www 2216: $result.="</form>";
1.159 albertel 2217: }
2218: if ($target eq 'web') {
1.507 raeburn 2219: #
2220: # Closing </body></html> not added by end_page().
2221: # Added separately at end of this routine, after added
2222: # <script></script> so document will be valid xhtml.
2223: #
2224: $result.= &Apache::loncommon::end_page({'discussion' => 1,
2225: 'notbody' => 1});
1.159 albertel 2226: } elsif ($target eq 'tex') {
1.178 sakharuk 2227: my $endminipage = '';
1.284 albertel 2228: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2229: $endminipage = '\end{minipage}';
2230: }
1.284 albertel 2231: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2232: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2233: } else {
1.262 sakharuk 2234: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2235: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2236: $result .= $endminipage.'\end{document} ';
2237: } else {
1.382 albertel 2238: $result .= $endminipage;
1.262 sakharuk 2239: }
1.159 albertel 2240: }
2241: }
2242: }
1.476 www 2243: if ($target eq 'web') {
1.512.2.21 raeburn 2244: $result.=&Apache::functionplotresponse::init_script();
2245: if ($Apache::lonhomework::default_type eq 'randomizetry') {
2246: my ($symb) = &Apache::lonnet::whichuser();
2247: if ((($env{'request.state'} eq 'construct') || ($symb eq '')) &&
2248: ($status eq 'CAN_ANSWER')) {
2249: unless (@Apache::inputtags::partlist > 1) {
2250: $result.= <<"ENDJS";
2251: <script type="text/javascript">
2252: // <![CDATA[
2253: \$(document).ready(function() {
2254: \$('#LC_randomizetry_header').css('display','block');
2255: });
2256: // ]]>
2257: </script>
2258: ENDJS
2259: }
2260: }
2261: }
1.476 www 2262: }
1.159 albertel 2263: if ($target eq 'grade') {
2264: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2265: &finalize_storage();
2266: }
1.284 albertel 2267: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2268: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2269: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2270: # normally we get it from above, but in CSTR
1.172 albertel 2271: # we always show answer mode too.
1.159 albertel 2272: }
2273: } elsif ($target eq 'meta') {
2274: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2275: @Apache::inputtags::response=();
1.159 albertel 2276: $result=&Apache::response::mandatory_part_meta;
2277: }
1.215 albertel 2278: $result.=&Apache::response::meta_part_order();
1.258 albertel 2279: $result.=&Apache::response::meta_response_order();
1.159 albertel 2280: } elsif ($target eq 'edit') {
2281: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2282: $result .= &problem_edit_footer();
1.320 albertel 2283: } elsif ($target eq 'modified') {
2284: $result .= $token->[2];
1.159 albertel 2285: }
1.155 albertel 2286:
1.284 albertel 2287: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2288: &Apache::inputtags::check_for_duplicate_ids();
2289: }
1.204 albertel 2290:
2291: &reset_problem_globals('problem');
1.159 albertel 2292:
1.502 foxr 2293: #
2294: # This shouild be just above the return so that the
2295: # time put in the javascript is as late as possible in the
2296: # computation:
2297: #
2298: if ($target eq 'web') {
1.512.2.24.2. (raeburn 2299:): $result .= &Apache::lonhtmlcommon::dash_to_minus_js().
2300:): &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2301: #
2302: # Closing tags delayed so any <script></script> tags
2303: # not in head can appear inside body, for valid xhtml.
2304: #
2305: $result .= "</body>\n</html>";
1.502 foxr 2306: }
1.159 albertel 2307: return $result;
1.48 albertel 2308: }
2309:
1.108 albertel 2310:
1.48 albertel 2311: sub start_library {
1.159 albertel 2312: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2313: my ($result,$form_tag_start);
1.371 albertel 2314: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2315: &init_problem_globals('library');
2316: $Apache::lonhomework::type='problem';
2317: }
1.159 albertel 2318: if ($target eq 'edit') {
1.343 albertel 2319: ($result,$form_tag_start)=
2320: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2321: 'Edit');
2322: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2323: my $temp=&Apache::edit::insertlist($target,$token);
2324: $result.=$temp;
2325: } elsif ($target eq 'modified') {
2326: $result=$token->[4];
1.340 albertel 2327: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2328: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2329: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2330: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2331: ($result,$form_tag_start)=
2332: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2333: $name);
1.479 raeburn 2334: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2335: $result.=" \n $form_tag_start".
1.159 albertel 2336: '<input type="hidden" name="submitted" value="yes" />';
2337: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2338: if ($Apache::lonhomework::type eq 'practice') {
1.512.2.24.2. 3(raebur 2339:4): $result.= '<button type="submit" name="resetdata" '.
2340:4): 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
1.428 raeburn 2341: &practice_problem_header().'<hr />';
2342: }
1.159 albertel 2343: }
2344: return $result;
1.48 albertel 2345: }
2346:
2347: sub end_library {
1.159 albertel 2348: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2349: my $result='';
2350: if ($target eq 'edit') {
2351: $result=&problem_edit_footer();
1.371 albertel 2352: } elsif ($target eq 'web'
2353: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2354: && $env{'request.state'} eq "construct") {
1.349 albertel 2355: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.512.2.15 raeburn 2356: } elsif ($target eq 'meta') {
2357: $result.=&Apache::response::meta_response_order();
1.159 albertel 2358: }
1.371 albertel 2359: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2360: &reset_problem_globals('library');
2361: }
1.159 albertel 2362: return $result;
1.197 www 2363: }
2364:
2365: sub start_definetag {
1.326 albertel 2366: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2367:
2368: my $result;
2369:
2370: my $name = $token->[2]->{'name'};
1.326 albertel 2371: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2372: if ($target eq 'web') {
2373: if ($name=~/^\//) {
2374: $result=
2375: '<br /><table class="LC_sty_end"><tr><th>'.
2376: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2377: } else {
2378: $result=
2379: '<br /><table class="LC_sty_begin"><tr><th>'.
2380: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2381: }
2382: $skip = &HTML::Entities::encode($skip, '<>&"');
2383: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2384: }
2385: return $result;
2386: }
2387:
2388: sub end_definetag {
2389: return '';
1.1 albertel 2390: }
2391:
2392: sub start_block {
1.201 albertel 2393: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2394:
2395: my $result;
1.1 albertel 2396:
1.339 albertel 2397: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2398: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2399: my $code = $token->[2]->{'condition'};
1.385 albertel 2400: if (defined($code) && $code ne '') {
1.137 albertel 2401: if (!$Apache::lonxml::default_homework_loaded) {
2402: &Apache::lonxml::default_homework_load($safeeval);
2403: }
1.131 albertel 2404: $result = &Apache::run::run($code,$safeeval);
2405: &Apache::lonxml::debug("block :$code: returned :$result:");
2406: } else {
2407: $result='1';
2408: }
2409: if ( ! $result ) {
1.201 albertel 2410: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2411: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2412: }
2413: $result='';
2414: } elsif ($target eq 'edit') {
2415: $result .=&Apache::edit::tag_start($target,$token);
2416: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2417: $token,40);
2418: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2419: } elsif ($target eq 'modified') {
2420: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2421: $safeeval,'condition');
2422: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2423: }
1.131 albertel 2424: return $result;
1.1 albertel 2425: }
2426:
2427: sub end_block {
1.167 www 2428: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2429: my $result;
2430: if ($target eq "edit") {
2431: $result.= &Apache::edit::tag_end($target,$token,'');
2432: }
2433: return $result;
2434: }
1.500 foxr 2435: #
2436: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2437: # ...
2438: # </languageblock>
2439: #
2440: # This declares the intent to provide content that can be rendered in the
2441: # set of languages in the include specificatino but not in the exclude
2442: # specification. If a currently preferred language is in the include list
2443: # the content in the <languageblock>...</languageblock> is rendered
2444: # If the currently preferred language is in the exclude list,
2445: # the content in the <languageblock>..></languageblock is not rendered.
2446: #
2447: # Pathalogical case handling:
2448: # - Include specified, without the preferred language but exclude specified
2449: # also without the preferred langauge results in rendering the block.
2450: # - Exclude specified without include and excluden not containing a
2451: # preferred language renders the block.
2452: # - Include and exclude both specifying the preferred language does not
2453: # render the block.
2454: # - If neither include/exclude is specified, the block gets rendered.
2455: #
2456: # This tag has no effect when target is in {edit, modified}
2457: #
1.167 www 2458: sub start_languageblock {
1.201 albertel 2459: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2460:
1.500 foxr 2461: my $result = '';
1.167 www 2462:
1.339 albertel 2463: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2464: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2465: my $include = $token->[2]->{'include'};
2466: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2467: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2468:
2469: # This should not even happen, since we should at least have the server language
2470:
2471: if (!$preferred_languages[0]) {
2472: $preferred_languages[0]='en';
2473: }
2474:
2475: # Now loop over all languages in order of preference
2476:
2477: my $render;
1.398 www 2478: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2479:
2480: # If neither include/nor exlude is present the block is going
2481: # to get rendered.
2482:
1.399 www 2483: my $found=0;
1.500 foxr 2484: $render=1;
2485:
2486: # If include is specified, don't render the block
2487: # unless the preferred language is included in the set.
2488:
1.398 www 2489: if ($include) {
1.500 foxr 2490: $render=0;
1.398 www 2491: foreach my $included_language (split(/\,/,$include)) {
2492: if ($included_language eq $preferred_language) {
1.500 foxr 2493: $render=1;
1.399 www 2494: $found=1;
1.500 foxr 2495: last; # Only need to find the first.
1.398 www 2496: }
2497: }
2498: }
1.500 foxr 2499: # Do we have an exclude argument?
2500: # If so, and one of the languages matches a preferred language
2501: # inhibit rendering the block. Note that in the pathalogical case the
2502: # author has specified a preferred language in both the include and exclude
2503: # attribte exclude is preferred.
2504:
1.398 www 2505: if ($exclude) {
1.500 foxr 2506: $render=1;
1.398 www 2507: foreach my $excluded_language (split(/\,/,$exclude)) {
2508: if ($excluded_language eq $preferred_language) {
1.500 foxr 2509: $render=0;
1.399 www 2510: $found=1;
1.500 foxr 2511: last; # Only need to find the first.
1.398 www 2512: }
2513: }
2514: }
1.500 foxr 2515: if ($found) {
2516: last; # Done on any match of include or exclude.
2517: }
1.398 www 2518: }
1.500 foxr 2519: # If $render not true skip the entire block until </languageblock>
2520: #
2521:
2522: if ( ! $render ) {
1.201 albertel 2523: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2524: $style);
2525: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2526: }
1.500 foxr 2527: # If $render is true, we've not skipped the contents of the <languageglock>
2528: # and the normal loncapa processing flow will render it as a matter of course.
2529:
1.167 www 2530: } elsif ($target eq 'edit') {
2531: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2532: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2533: $token,40);
1.211 albertel 2534: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2535: $token,40);
2536: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2537: } elsif ($target eq 'modified') {
2538: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2539: $safeeval,'include',
2540: 'exclude');
1.167 www 2541: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2542: }
2543: return $result;
2544: }
2545:
2546: sub end_languageblock {
1.170 www 2547: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2548: my $result;
1.201 albertel 2549: if ($target eq "edit") {
1.170 www 2550: $result.= &Apache::edit::tag_end($target,$token,'');
2551: }
2552: return $result;
2553: }
1.500 foxr 2554: # languagblock specific tags:
2555: {
2556: # For chunks of a resource that has translations, this hash contains
2557: # the translations available indexed by language name.
2558: #
2559:
2560: my %available_texts;
1.170 www 2561:
1.500 foxr 2562: # <translated> starts a block of a resource that has multiple translations.
2563: # See the <lang> tag as well.
2564: # When </translated> is encountered if there is a translation for the
2565: # currently preferred language, that is rendered inthe web/tex/webgrade
2566: # targets. Otherwise, the default text is rendered.
2567: #
2568: # Note that <lang> is only registered for the duration of the
2569: # <translated>...</translated> block
2570: #
2571: # Pathalogical case handling:
2572: # - If there is no <lang> that specifies a 'default' and there is no
2573: # translation that matches a preferred language, nothing is rendered.
2574: # - Nested <translated>...</translated> might be linguistically supported by
2575: # XML due to the stack nature of tag registration(?) however the rendered
2576: # output will be incorrect because there is only one %available_texts
2577: # has and end_translated clears it.
2578: # - Material outside of a <lang>...</lang> block within the
2579: # <translated>...<translated> block won't render either e.g.:
2580: # <translated>
2581: # The following will be in your preferred langauge:
2582: # <lang which='en'>
2583: # This section in english
2584: # </lang>
2585: # <lang which='sgeiso'>
2586: # Hier es ist auf Deutsch.
2587: # </lang>
2588: # <lang which='sfriso'>
2589: # En Francais
2590: # </lang>
2591: # </translated>
2592: #
2593: # The introductory text prior to the first <lang> tag is not rendered.
2594: #
1.397 albertel 2595: sub start_translated {
2596: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2597: &Apache::lonxml::register('Apache::structuretags',('lang'));
2598: undef(%available_texts);
2599: }
2600:
2601: sub end_translated {
2602: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2603: my $result;
2604: #show the translation on viewable targets
2605: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2606: # or non-viewable targets, if it's embedded in something that
2607: # wants the output
2608: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2609: && &Apache::lonxml::in_redirection() ) ) {
2610: my @possibilities = keys(%available_texts);
2611: my $which =
2612: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2613: if ($target eq 'tex') {
2614: $result = &select_hyphenation($which);
2615: }
2616: $result .= $available_texts{$which};
2617: if ($target eq 'tex') {
2618: $result .= &select_metadata_hyphenation(); # Restore original language.
2619: }
1.397 albertel 2620: }
2621: undef(%available_texts);
2622: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2623: return $result;
2624: }
2625:
1.500 foxr 2626: # <lang [which='language-name'] [other='lang1,lang2...']>
2627: # Specifies that the block contained within it is a translation
2628: # for a specific language specified by the 'which' attribute. The
2629: # 'other' attribute can be used by itself or in conjunction with
2630: # which to specify this tag _may_ be used as a translation for some
2631: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2632: # specifying that the block provides a translation for US (primary)
2633: # Canadian, Australian and UK Englush.
2634: #
2635: # Comment: this seems a bit silly why not just support a list of languages
2636: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2637: #
2638: # Effect:
2639: # The material within the <lang>..</lang> block is stored in the
2640: # specified set of $available_texts hash entries, the appropriate one
2641: # is selected at </translated> time.
2642: #
2643: # Pathalogical case handling:
2644: # If a language occurs multiple times within a <translated> block,
2645: # only the last one is rendered e.g.:
2646: #
2647: # <translated>
2648: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2649: # Red green color blindness is quite common affecting about 7.8% of
2650: # the male population, but onloy about .65% of the female population.
2651: # </lang>
2652: # Red green colour blindness is quite common affecting about 7.8% of
2653: # the male population, but onloy about .65% of the female population.
2654: # <lang which='seniso', other='senisoCA,senisoAU'>
2655: # </translated>
2656: #
2657: # renders the correct spelling of color (colour) for people who have specified
2658: # a preferred language that is one of the British Commonwealth languages
2659: # even though those are also listed as valid selections for the US english
2660: # <lang> block.
2661: #
1.397 albertel 2662: sub start_lang {
2663: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2664: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2665: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2666: &Apache::lonxml::startredirection();
2667: }
2668: return '';
2669: }
2670:
2671: sub end_lang {
2672: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2673: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2674: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2675: my $result = &Apache::lonxml::endredirection();
2676: my $which = &Apache::lonxml::get_param('which',$parstack,
2677: $safeeval);
1.431 raeburn 2678: if ($which=~/\w/) {
2679: $available_texts{$which} = $result;
2680: }
2681: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2682: $safeeval);
2683: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2684: if ($language=~/\w/) {
2685: $available_texts{$language} = $result;
2686: }
1.427 bisitz 2687: }
2688:
1.397 albertel 2689: }
2690: return '';
2691: }
1.500 foxr 2692: } # end langauge block specific tags.
2693:
1.397 albertel 2694:
1.170 www 2695: sub start_instructorcomment {
1.201 albertel 2696: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2697:
2698: my $result;
2699:
1.339 albertel 2700: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2701: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2702: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2703: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2704: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2705: $parser,$style);
1.170 www 2706: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2707: }
2708: $result='';
2709: } elsif ($target eq 'edit') {
2710: $result .=&Apache::edit::tag_start($target,$token);
2711: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2712: }
2713: return $result;
2714: }
2715:
2716: sub end_instructorcomment {
1.159 albertel 2717: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2718: my $result;
2719: if ($target eq "edit") {
2720: $result.= &Apache::edit::tag_end($target,$token,'');
2721: }
2722: return $result;
1.4 tsai 2723: }
2724:
2725: sub start_while {
1.326 albertel 2726: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2727:
1.160 albertel 2728: my $result;
1.339 albertel 2729: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2730: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2731: my $code = $token->[2]->{'condition'};
1.4 tsai 2732:
1.160 albertel 2733: push( @Apache::structuretags::whileconds, $code);
2734: if (!$Apache::lonxml::default_homework_loaded) {
2735: &Apache::lonxml::default_homework_load($safeeval);
2736: }
2737: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2738: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2739: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2740: push( @Apache::structuretags::whileline, $token->[5]);
2741: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2742: if ( $result ) {
2743: &Apache::lonxml::newparser($parser,\$bodytext);
2744: }
2745: } elsif ($target eq 'edit') {
2746: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2747: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2748: $token,40);
2749: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2750: } elsif ($target eq 'modified') {
2751: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2752: $safeeval,'condition');
2753: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2754: }
1.160 albertel 2755: return $result;
1.4 tsai 2756: }
2757:
2758: sub end_while {
1.159 albertel 2759: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2760: my $result;
2761:
1.339 albertel 2762: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2763: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2764: my $code = pop(@Apache::structuretags::whileconds);
2765: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2766: my $line = pop(@Apache::structuretags::whileline);
2767: my $return = &Apache::run::run($code,$safeeval);
2768: my $starttime=time;
2769: my $error=0;
2770: while ($return) {
2771: if (time-$starttime >
2772: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2773: $return = 0; $error=1; next;
1.161 albertel 2774: }
2775: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2776: if ($target eq 'grade' || $target eq 'answer' ||
2777: $target eq 'analyze') {
2778: # grade/answer/analyze should produce no output but if we
2779: # are redirecting, the redirecter should know what to do
2780: # with the output
2781: if (!$Apache::lonxml::redirection) { undef($result); }
2782: }
1.161 albertel 2783: $return = &Apache::run::run($code,$safeeval);
2784: }
1.512.2.5 raeburn 2785: if ($error) {
2786: &Apache::lonxml::error(
2787: '<pre>'
2788: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2789: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2790: .&mt('This occurred while running <while> on line [_1].',
2791: $line)
2792: .'</pre>');
2793: }
1.160 albertel 2794: } elsif ($target eq "edit") {
2795: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2796: }
1.160 albertel 2797: return $result;
1.1 albertel 2798: }
1.6 tsai 2799:
1.160 albertel 2800: # <randomlist show="1">
1.6 tsai 2801: # <tag1>..</tag1>
2802: # <tag2>..</tag2>
2803: # <tag3>..</tag3>
1.160 albertel 2804: # ...
1.6 tsai 2805: # </randomlist>
2806: sub start_randomlist {
1.326 albertel 2807: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2808: my $result;
1.339 albertel 2809: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2810: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2811: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2812: my $b_parser= HTML::LCParser->new(\$body);
2813: $b_parser->xml_mode(1);
2814: $b_parser->marked_sections(1);
1.159 albertel 2815: my $b_tok;
2816: my @randomlist;
2817: my $list_item;
2818: while($b_tok = $b_parser->get_token() ) {
2819: if($b_tok->[0] eq 'S') { # start tag
2820: # get content of the tag until matching end tag
2821: # get all text upto the matching tag
2822: # and push the content into @randomlist
2823: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2824: $b_parser);
2825: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2826: push(@randomlist,$list_item);
2827: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2828: # $list_item</b>";
2829: }
2830: if($b_tok->[0] eq 'T') { # text
2831: # what to do with text in between tags?
2832: # print "<b>TEXT $b_tok->[1]</b><br />";
2833: }
2834: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2835: # print "<b>END-TAG $b_tok->[1]</b><br />";
2836: # }
2837: }
1.303 albertel 2838: if (@randomlist) {
2839: my @idx_arr = (0 .. $#randomlist);
1.512.2.14 raeburn 2840: if ($env{'form.code_for_randomlist'}) {
2841: &Apache::structuretags::shuffle(\@idx_arr,$target);
2842: undef($env{'form.code_for_randomlist'});
2843: } else {
2844: &Apache::structuretags::shuffle(\@idx_arr);
2845: }
1.303 albertel 2846: my $bodytext = '';
2847: my $show=$#randomlist;
2848: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2849: $showarg--;
2850: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2851: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2852: my @currlist;
2853: my $part = $Apache::inputtags::part;
2854: if ($part ne '') {
2855: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2856: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2857: if (!(grep(/^\Q$part\E$/,@currlist))) {
2858: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2859: }
2860: } else {
2861: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2862: }
2863: }
2864: }
1.512.2.9 raeburn 2865: for my $i (0 .. $show) {
2866: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2867: }
2868: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2869: }
2870: } elsif ($target eq 'edit' ) {
2871: $result .=&Apache::edit::tag_start($target,$token);
2872: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2873: $token,5);
2874: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2875: } elsif ($target eq 'modified' ) {
2876: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2877: $safeeval,'show');
2878: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2879: }
2880: return $result;
1.7 tsai 2881: }
2882:
2883: sub shuffle {
1.512.2.14 raeburn 2884: my ($a,$target) = @_;
1.7 tsai 2885: my $i;
1.303 albertel 2886: if (ref($a) eq 'ARRAY' && @$a) {
1.512.2.14 raeburn 2887: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2888: for($i=@$a;--$i;) {
2889: my $j=int(&Math::Random::random_uniform() * ($i+1));
2890: next if $i == $j;
2891: @$a[$i,$j] = @$a[$j,$i];
2892: }
1.251 albertel 2893: &Apache::response::poprandomnumber();
1.7 tsai 2894: }
1.6 tsai 2895: }
2896:
2897: sub end_randomlist {
1.159 albertel 2898: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2899: my $result;
2900: if ($target eq 'edit' ) {
2901: $result=&Apache::edit::tag_end($target,$token,
2902: 'End Randomly Parsed Block');
2903: }
2904: return $result;
1.6 tsai 2905: }
2906:
1.283 albertel 2907: sub ordered_show_check {
2908: my $last_part=$Apache::inputtags::partlist[-2];
2909: my $in_order=
2910: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2911: my $in_order_show=1;
2912: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2913: $in_order_show=&Apache::response::check_status($last_part);
2914: }
2915: return $in_order_show;
2916: }
2917:
1.469 www 2918:
2919: sub start_startpartmarker {
2920: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2921: my $result='';
2922: if ($target eq 'edit') {
2923: $result=&Apache::edit::tag_start($target,$token);
2924: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2925: $result.=&Apache::edit::end_table();
2926:
2927: }
2928: return $result;
2929: }
2930:
2931: sub end_startpartmarker {
2932: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2933: my @result;
2934: if ($target eq 'edit') { $result[1]='no'; }
2935: return @result;
2936: }
2937:
2938: sub start_endpartmarker {
2939: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2940: my $result='';
2941: if ($target eq 'edit') {
2942: $result=&Apache::edit::tag_start($target,$token);
2943: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
2944: $result.=&Apache::edit::end_table();
2945:
2946: }
2947: return $result;
2948: }
2949:
2950: sub end_endpartmarker {
2951: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2952: my @result;
2953: if ($target eq 'edit') { $result[1]='no'; }
2954: return @result;
2955: }
2956:
2957:
2958:
2959:
2960:
1.11 albertel 2961: sub start_part {
1.326 albertel 2962: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 2963: if (!$Apache::lonxml::metamode) {
2964: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
2965: # duedates.
2966: }
1.159 albertel 2967: my $result='';
1.386 albertel 2968: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 2969: $Apache::inputtags::part=$id;
1.177 albertel 2970: push(@Apache::inputtags::partlist,$id);
1.512.2.10 raeburn 2971: $Apache::inputtags::leniency='';
1.177 albertel 2972: @Apache::inputtags::response=();
1.159 albertel 2973: @Apache::inputtags::previous=();
2974: @Apache::inputtags::previous_version=();
1.405 albertel 2975: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 2976: &Apache::response::reset_params();
2977:
1.159 albertel 2978: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 2979: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
2980: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.512.2.9 raeburn 2981: if ($Apache::lonhomework::type eq 'randomizetry') {
2982: my $rndseed=&setup_rndseed($safeeval,$target);
2983: if (($target eq 'grade') && &Apache::response::submitted()) {
2984: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
2985: }
2986: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
2987: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
2988: }
1.283 albertel 2989: my $in_order_show=&ordered_show_check();
1.214 albertel 2990: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 2991: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 2992: &Apache::run::run($expression,$safeeval);
1.159 albertel 2993:
2994: if ($target eq 'meta') {
1.224 www 2995: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
2996: return &Apache::response::mandatory_part_meta.
2997: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 2998: } elsif ($target eq 'web' || $target eq 'grade' ||
2999: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 3000: if ($hidden || !$in_order_show) {
1.326 albertel 3001: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 3002: } else {
3003: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
3004: push (@Apache::inputtags::status,$status);
3005: my $expression='$external::datestatus="'.$status.'";';
3006: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
3007: &Apache::run::run($expression,$safeeval);
1.284 albertel 3008: if ($env{'request.state'} eq 'construct') {
1.241 albertel 3009: &set_problem_state($Apache::inputtags::part);
1.240 albertel 3010: }
1.216 albertel 3011: if (( $status eq 'CLOSED' ) ||
3012: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 3013: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 3014: ( $status eq 'BANNED') ||
3015: ( $status eq 'UNAVAILABLE') ||
3016: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 3017: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
3018: $style);
1.159 albertel 3019: if ( $target eq "web" ) {
1.211 albertel 3020: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 3021: } elsif ( $target eq 'tex' ) {
1.284 albertel 3022: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 3023: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 3024: } else {
1.211 albertel 3025: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 3026: }
1.159 albertel 3027: }
3028: } else {
3029: if ($target eq 'tex') {
1.284 albertel 3030: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 3031: if ($$tagstack[-2] eq 'td') {
1.388 foxr 3032: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 3033: } else {
3034: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
3035: }
1.195 sakharuk 3036: }
1.159 albertel 3037: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 3038: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.512.2.9 raeburn 3039: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 3040: my $allow_print_points = 0;
3041: foreach my $partial_key (@allkeys) {
1.230 albertel 3042: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 3043: if ($1 ne '0') {$allow_print_points=1;}
3044: }
3045: }
1.275 albertel 3046: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
3047: if (defined($maxtries) && $maxtries < 0) {
3048: $allow_print_points=0;
3049: }
1.302 albertel 3050: if (lc($env{'course.'.$env{'request.course.id'}.
3051: '.disableexampointprint'}) eq 'yes') {
3052: $allow_print_points=0;
3053: }
1.463 foxr 3054: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 3055: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 3056:
3057: }
1.233 www 3058: } elsif ($target eq 'web') {
1.479 raeburn 3059: if ($status eq 'CAN_ANSWER') {
3060: my $problemstatus = &get_problem_status($Apache::inputtags::part);
3061: my $num = scalar(@Apache::inputtags::partlist)-1;
1.512.2.21 raeburn 3062: if ((($Apache::lonhomework::default_type eq 'randomizetry') ||
3063: ($Apache::lonhomework::randomizetrypart)) &&
3064: ($Apache::lonhomework::type ne 'randomizetry')) {
3065: $result .= &randomizetry_part_header($problemstatus,'none',$num);
3066: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
3067: $Apache::lonhomework::randomizetrypart = 1;
3068: my $reqtries = &Apache::lonnet::EXT("resource.$id.randomizeontries");
1.479 raeburn 3069: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
3070: }
3071: }
1.475 raeburn 3072: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 3073: }
3074: }
3075: }
3076: } elsif ($target eq 'edit') {
3077: $result.=&Apache::edit::tag_start($target,$token);
3078: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
3079: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 3080: ' '.
3081: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 3082: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
3083: } elsif ($target eq 'modified') {
3084: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 3085: $safeeval,'id','display');
1.159 albertel 3086: if ($constructtag) {
1.225 albertel 3087: #limiting ids to only letters numbers, and space
1.224 www 3088: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 3089: $result = &Apache::edit::rebuild_tag($token);
3090: }
3091: }
3092: return $result;
1.11 albertel 3093: }
3094:
3095: sub end_part {
1.159 albertel 3096: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3097: &Apache::lonxml::debug("in end_part $target ");
3098: my $status=$Apache::inputtags::status['-1'];
3099: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 3100: my $in_order_show=&ordered_show_check();
1.321 albertel 3101: my $result;
3102: if (!$Apache::lonxml::metamode) {
3103: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 3104: $Apache::lonxml::post_evaluate=0;
1.321 albertel 3105: }
1.312 albertel 3106: if ($target eq 'grade') {
1.249 albertel 3107: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 3108: !$hidden && $in_order_show) {
1.311 foxr 3109: $result.=&Apache::inputtags::grade;
1.249 albertel 3110: } else {
3111: # move any submission data to .hidden
3112: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3113: }
1.283 albertel 3114: } elsif (($target eq 'web' || $target eq 'tex') &&
3115: !$hidden && $in_order_show) {
1.159 albertel 3116: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3117: $target);
1.490 raeburn 3118: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3119: ($env{'form.grade_imsexport'})) {
1.212 albertel 3120: $gradestatus='';
3121: }
1.311 foxr 3122: $result.=$gradestatus;
1.512.2.24.2. (raeburn 3123:): if ($$tagstack[-2] eq 'td' and $target eq 'tex') {
3124:): if (not $env{'form.problem_split'}=~/yes/) {
3125:): $result.='\end{minipage}';
3126:): }
3127:): }
1.181 albertel 3128: } elsif ($target eq 'edit') {
1.311 foxr 3129: $result.=&Apache::edit::end_table();
1.322 albertel 3130: } elsif ($target eq 'modified') {
3131: $result .= $token->[2];
1.159 albertel 3132: }
3133: pop @Apache::inputtags::status;
3134: $Apache::inputtags::part='';
1.512.2.10 raeburn 3135: $Apache::inputtags::leniency='';
1.295 albertel 3136: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3137: return $result;
1.11 albertel 3138: }
1.1 albertel 3139:
1.25 albertel 3140: sub start_preduedate {
1.326 albertel 3141: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3142: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3143: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3144: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3145: if (!$Apache::lonhomework::scantronmode &&
3146: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3147: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3148: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3149: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3150: }
1.24 albertel 3151: }
1.159 albertel 3152: return '';
1.24 albertel 3153: }
3154:
1.25 albertel 3155: sub end_preduedate {
1.159 albertel 3156: return '';
1.24 albertel 3157: }
3158:
1.369 foxr 3159: # In all the modes where <postanswerdate> text is
3160: # displayable, all we do is eat up the text between the start/stop
3161: # tags if the conditions are not right to display it.
1.25 albertel 3162: sub start_postanswerdate {
1.326 albertel 3163: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3164: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3165: &Apache::lonnet::allowed('pav',
3166: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3167: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3168: $target eq 'tex' ) {
1.300 albertel 3169: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3170: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3171: (($target eq 'tex') && !$pav)) {
1.326 albertel 3172: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3173: }
3174: }
3175: return '';
1.24 albertel 3176: }
3177:
1.25 albertel 3178: sub end_postanswerdate {
1.159 albertel 3179: return '';
1.24 albertel 3180: }
3181:
1.25 albertel 3182: sub start_notsolved {
1.326 albertel 3183: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3184: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3185: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3186: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3187: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3188: if ($gradestatus =~ /^correct/ &&
3189: &Apache::response::show_answer()) {
1.159 albertel 3190: &Apache::lonxml::debug("skipping");
1.326 albertel 3191: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3192: }
1.24 albertel 3193: }
1.159 albertel 3194: return '';
1.24 albertel 3195: }
3196:
1.25 albertel 3197: sub end_notsolved {
1.159 albertel 3198: return '';
1.24 albertel 3199: }
3200:
3201: sub start_solved {
1.326 albertel 3202: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3203: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3204: $target eq 'tex') {
3205: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3206: if ($gradestatus !~ /^correct/ ||
3207: !&Apache::response::show_answer()) {
1.326 albertel 3208: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3209: }
1.24 albertel 3210: }
1.159 albertel 3211: return '';
1.24 albertel 3212: }
3213:
3214: sub end_solved {
1.248 albertel 3215: return '';
3216: }
3217:
3218: sub start_problemtype {
1.326 albertel 3219: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3220: my $result;
1.339 albertel 3221: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3222: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3223: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3224: if (!defined($mode)) { $mode='show'; }
3225: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3226: my $found=0;
3227: foreach my $type (split(',',$for)) {
3228: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3229: }
3230: if ($mode eq 'show' && !$found) {
1.326 albertel 3231: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3232: }
3233: if ($mode eq 'hide' && $found) {
1.326 albertel 3234: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3235: }
3236: } elsif ($target eq 'edit') {
3237: $result .=&Apache::edit::tag_start($target,$token);
3238: $result.=&Apache::edit::select_arg('Mode:','mode',
3239: [['show','Show'],
3240: ['hide','Hide']]
3241: ,$token);
3242: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.512.2.2 raeburn 3243: [ ['exam','Exam/Quiz Problem'],
1.248 albertel 3244: ['survey','Survey'],
1.465 raeburn 3245: ['surveycred','Survey (with credit)'],
3246: ['anonsurvey','Anonymous Survey'],
3247: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3248: ['problem','Homework Problem'],
1.479 raeburn 3249: ['practice','Practice Problem'],
3250: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3251: ,$token);
3252: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3253: } elsif ($target eq 'modified') {
3254: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3255: $safeeval,'mode','for');
3256: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3257: }
3258: return $result;
3259: }
3260:
3261: sub end_problemtype {
1.159 albertel 3262: return '';
1.24 albertel 3263: }
1.34 albertel 3264:
3265: sub start_startouttext {
1.159 albertel 3266: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3267: my @result=(''.'');
3268: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3269:
3270: my $nesting =
3271: &Apache::lonxml::set_state('outtext',
3272: &Apache::lonxml::get_state('outtext')+1);
3273: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3274: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3275: }
1.159 albertel 3276: return (@result);
1.34 albertel 3277: }
1.159 albertel 3278:
1.34 albertel 3279: sub end_startouttext {
1.326 albertel 3280: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3281: my $result='';
3282: my $text='';
3283: if ($target eq 'edit') {
1.424 foxr 3284: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3285: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.512.2.11 raeburn 3286: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3287: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3288: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3289: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3290: .'</span></td>'
1.512.2.12 raeburn 3291: .'<td><span id="math_'.$areaid.'">';
1.512.2.24.2. 3(raebur 3292:4): if (&Apache::loncommon::nocodemirror()) {
1.512.2.12 raeburn 3293: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3294: } else {
3295: $result.=' ';
3296: }
3297: $result.='</span></td>'
1.474 raeburn 3298: .'<td>'
3299: .&Apache::edit::insertlist($target,$token)
3300: .'</td>'
1.512.2.5 raeburn 3301: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3302: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3303: &Apache::edit::end_row().
1.362 albertel 3304: &Apache::edit::start_spanning_row()."\n".
1.255 www 3305: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3306: }
3307: if ($target eq 'modified') {
1.219 albertel 3308: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3309: }
3310: if ($target eq 'tex') {
3311: $result .= '\noindent ';
3312: }
3313: return $result;
1.34 albertel 3314: }
1.159 albertel 3315:
1.34 albertel 3316: sub start_endouttext {
1.159 albertel 3317: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3318: my $result='';
3319: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3320: if ($target eq "modified") {
3321: $result='<endouttext />'.
1.377 albertel 3322: &Apache::edit::handle_insertafter('startouttext');
3323: }
1.404 albertel 3324:
3325: my $nesting =
3326: &Apache::lonxml::set_state('outtext',
3327: &Apache::lonxml::get_state('outtext')-1);
3328: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3329: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3330: &Apache::lonxml::set_state('outtext', 0);
3331: }
1.159 albertel 3332: return $result;
1.34 albertel 3333: }
1.159 albertel 3334:
1.34 albertel 3335: sub end_endouttext {
1.159 albertel 3336: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3337: my @result=('','');
3338: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3339: return (@result);
1.34 albertel 3340: }
1.159 albertel 3341:
1.45 albertel 3342: sub delete_startouttext {
1.326 albertel 3343: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3344: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3345: my $text=$$parser['-1']->get_text("/endouttext");
3346: my $ntoken=$$parser['-1']->get_token();
3347: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3348: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3349: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3350: # they did the last time round
3351: &Apache::lonxml::increasedepth($ntoken);
3352: &Apache::lonxml::decreasedepth($ntoken);
3353: return 1;
1.193 www 3354: }
3355:
3356: sub start_simpleeditbutton {
3357: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3358: my $result='';
1.284 albertel 3359: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3360: ($target eq 'web') &&
1.330 albertel 3361: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3362: my $url=$env{'request.noversionuri'};
1.193 www 3363: $url=~s/\?.*$//;
1.367 albertel 3364: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3365: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3366: # $result='<p class="LC_warning">'
3367: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3368: # .&Apache::loncommon::help_open_topic('Caching')
3369: # .'</p>';
1.486 www 3370: $result.=&Apache::loncommon::head_subbox(
3371: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3372: .&Apache::lonhtmlcommon::add_item_funclist(
3373: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3374: .&mt('Edit').'</a>')
1.486 www 3375: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3376:
1.193 www 3377: }
3378: return $result;
3379: }
3380:
3381: sub end_simpleeditbutton {
3382: return '';
1.45 albertel 3383: }
1.34 albertel 3384:
1.428 raeburn 3385: sub practice_problem_header {
3386: return '<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
3387: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3388: '</span>';
3389: }
3390:
1.479 raeburn 3391: sub randomizetry_problem_header {
1.512.2.21 raeburn 3392: my ($problemstatus,$reqtries,$symb) = @_;
1.479 raeburn 3393: my ($header,$text);
3394: if ($reqtries > 1) {
3395: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3396: if (($problemstatus eq 'no') ||
3397: ($problemstatus eq 'no_feedback_ever')) {
3398: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3399: } else {
3400: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3401: }
3402: } else {
3403: $header = &mt('New Problem Variation Each Try');
3404: if (($problemstatus eq 'no') ||
3405: ($problemstatus eq 'no_feedback_ever')) {
3406: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3407:
3408: } else {
3409: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3410: }
3411: }
1.512.2.21 raeburn 3412: if (($env{'request.state'} eq "construct") || ($symb eq '')) {
3413: return '<div class="LC_info" id="LC_randomizetry_header" style="display:none">'.
3414: '<h3>'.$header.'</h3><span class="LC_info">'.$text.'</span><hr /></div>';
3415: } else {
3416: return '<h3 class="LC_info">'.$header.'</h3>'.
3417: '<span class="LC_info">'.$text.'</span><hr />';
3418: }
1.479 raeburn 3419: }
3420:
3421: sub randomizetry_part_header {
3422: my ($problemstatus,$reqtries,$num) = @_;
3423: my ($header,$text);
3424: if ($reqtries eq 'none') {
3425: $header = &mt('No Question Variation');
1.512.2.23 raeburn 3426: $text = &mt('For this question there will be no new variation after a try.');
1.479 raeburn 3427: } elsif ($reqtries > 1) {
3428: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3429: if (($problemstatus eq 'no') ||
3430: ($problemstatus eq 'no_feedback_ever')) {
3431: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3432: } else {
3433: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3434: }
3435: } else {
3436: $header = &mt('New Question Variation For Each Try');
3437: if (($problemstatus eq 'no') ||
3438: ($problemstatus eq 'no_feedback_ever')) {
3439: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3440: } else {
3441: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3442: }
3443: }
3444: my $output;
3445: if ($num > 1) {
3446: $output .= '<hr />';
3447: }
3448: $output .= '<span class="LC_info"><h4>'.$header.'</h4></span>'.
3449: '<span class="LC_info">'.$text.'</span><br /><br />';
3450: return $output;
3451: }
3452:
1.1 albertel 3453: 1;
3454: __END__
1.435 jms 3455:
3456: =pod
3457:
3458: =back
3459:
3460: =cut
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