Annotation of loncom/homework/structuretags.pm, revision 1.552
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.552 ! raeburn 4: # $Id: structuretags.pm,v 1.551 2016/12/09 20:12:09 damieng Exp $
1.74 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.254 www 28: ###
1.54 www 29:
1.435 jms 30: =pod
31:
32: =head1 NAME
33:
34: Apache::structuretags
35:
36: =head1 SYNOPSIS
37:
38:
39: This is part of the LearningOnline Network with CAPA project
40: described at http://www.lon-capa.org.
41:
42:
43: =head1 NOTABLE SUBROUTINES
44:
45: =over
46:
47: =item
48:
49: =back
50:
51: =cut
52:
1.133 sakharuk 53:
1.1 albertel 54: package Apache::structuretags;
55:
56: use strict;
57: use Apache::lonnet;
1.101 sakharuk 58: use Apache::File();
1.147 www 59: use Apache::lonmenu;
1.210 albertel 60: use Apache::lonlocal;
1.231 sakharuk 61: use Apache::lonxml;
1.434 foxr 62: use Apache::londefdef;
1.338 albertel 63: use Apache::lonenc();
1.500 foxr 64: use Apache::loncommon();
1.267 albertel 65: use Time::HiRes qw( gettimeofday tv_interval );
1.356 www 66: use lib '/home/httpd/lib/perl/';
67: use LONCAPA;
68:
1.78 harris41 69: BEGIN {
1.469 www 70: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startpartmarker','startouttext','endpartmarker','endouttext','simpleeditbutton','definetag'));
1.10 albertel 71: }
72:
1.500 foxr 73:
74: #---------------------------------------------------------------------------------
75: #
76: # This section of code deals with hyphenation management.
77: # We must do three things:
78: # - keep track fo the desired languages to alter the header.
79: # - provide hyphenation selection as needed by each language that appears in the
80: # text.
81: # - Provide the header text needed to make available the desired hyphenations.
82: #
83: #
84:
85: # Hash whose keys are the languages encountered in the document/resource.
86: #
87:
88: my %languages_required;
89: ##
90: # Given a language selection as input returns a chunk of LaTeX that
91: # selects the required hyphenator.
92: #
93: # @param language - the language being selected.
94: # @return string
95: # @retval The LaTeX needed to select the hyphenation appropriate to the language.
96: #
97: sub select_hyphenation {
98: my $language = shift;
99:
100: $language = &Apache::loncommon::latexlanguage($language); # Translate -> latex language.
101:
102: # If there is no latex language there's not much we can do:
103:
104: if ($language) {
105: &require_language($language);
106: my $babel_hyphenation = "\\selectlanguage{$language}";
107:
108: return $babel_hyphenation;
109: } else {
110: return '';
111: }
112: }
113: ##
114: # Selects hyphenation based on the current problem metadata.
115: # This requires that
116: # - There is a language metadata item set for the problem.
117: # - The language has a latex/babel hyphenation.
118: #
119: # @note: Uses &Apache::lonxml::request to locate the Uri associated with
120: # this problem.
121: # @return string (possibly empty).
122: # @retval If not empty an appropriate \selectlanguage{} directive.
123: #
124: sub select_metadata_hyphenation {
125: my $uri = $Apache::lonxml::request->uri;
126: my $language = &Apache::lonnet::metadata($uri, 'language');
127: my $latex_language = &Apache::loncommon::latexhyphenation($language);
128: if ($latex_language) {
129: return '\selectlanguage{'.$latex_language."}\n";
130: }
131: return ''; # no latex hyphenation or no lang metadata.
132: }
133:
134:
135: ##
136: # Clears the set of languages required by the document being rendered.
137: #
138: sub clear_required_languages {
139: %languages_required = ();
140: }
141: ##
142: # Allows an external client of this module to register a need for a language:
143: #
144: # @param LaTeX language required:
145: #
146: sub require_language {
147: my $language = shift;
148: $languages_required{$language} = 1;
149: }
150:
151: ##
152: # Provides the header for babel that indicates the languages
153: # the document requires.
154: # @return string
155: # @retval \usepackage[lang1,lang2...]{babel}
156: # @retval '' if there are no languages_required.
157: sub languages_header {
158: my $header ='';
159: my @languages = (keys(%languages_required));
160:
161: # Only generate the header if there are languages:
162:
163: if (scalar @languages) {
164: my $language_list = join(',', (@languages));
165: $header = '\usepackage['.$language_list."]{babel}\n";
166: }
167: return $header;
168: }
169:
170: #----------------------------------------------------------------------------------
171:
1.10 albertel 172: sub start_web {
1.326 albertel 173: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.383 albertel 174: if ($target ne 'edit' && $target ne 'modified') {
175: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
176: if ($target eq 'web' || $target eq 'webgrade') {
177: return $bodytext;
178: }
179: } elsif ($target eq "edit" ) {
180: my $bodytext =
181: &Apache::lonxml::get_all_text_unbalanced("/web",$parser);
182: my $result = &Apache::edit::tag_start($target,$token);
183: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
184: return $result;
185: } elsif ( $target eq "modified" ) {
186: return $token->[4].&Apache::edit::modifiedfield("/web",$parser);
1.159 albertel 187: }
188: return '';
1.10 albertel 189: }
190:
191: sub end_web {
1.44 ng 192: return '';
1.10 albertel 193: }
194:
195: sub start_tex {
1.326 albertel 196: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.198 sakharuk 197: my $result='';
1.383 albertel 198: if ($target ne 'edit' && $target ne 'modified') {
199: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
200: if ($target eq 'tex') {
1.434 foxr 201:
202: # If inside a table, occurrences of \\ must be removed;
203: # else the table blows up.
204:
205: if (&Apache::londefdef::is_inside_of($tagstack, "table")) {
206: $bodytext =~ s/\\\\//g;
207: }
1.432 foxr 208: return $bodytext.'{}';
1.383 albertel 209: }
210: } elsif ($target eq "edit" ) {
211: my $bodytext =
212: &Apache::lonxml::get_all_text_unbalanced("/tex",$parser);
213: my $result = &Apache::edit::tag_start($target,$token);
214: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
215: return $result;
216: } elsif ( $target eq "modified" ) {
217: return $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
1.159 albertel 218: }
1.198 sakharuk 219: return $result;;
1.10 albertel 220: }
221:
222: sub end_tex {
1.44 ng 223: return '';
1.9 albertel 224: }
225:
1.400 albertel 226: sub homework_js {
1.531 raeburn 227: my ($postsubmit,$timeout);
228: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
1.546 raeburn 229: my $crstype = &Apache::loncommon::course_type();
230: if ($crstype eq 'Community') {
1.531 raeburn 231: $crstype = 'community';
1.546 raeburn 232: } elsif ($crstype eq 'Placement') {
233: $crstype = 'placement';
1.531 raeburn 234: } else {
235: if ($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 * $timeout;
273: }
1.400 albertel 274: return &Apache::loncommon::resize_textarea_js().
1.527 golterma 275: &Apache::loncommon::colorfuleditor_js().
1.416 raeburn 276: &setmode_javascript().
1.531 raeburn 277: <<"JS";
1.400 albertel 278: <script type="text/javascript">
1.483 raeburn 279: // <![CDATA[
1.494 raeburn 280: function setSubmittedPart (part,prefix) {
281: if (typeof(prefix) == 'undefined') {
282: this.document.lonhomework.submitted.value="part_"+part;
283: } else {
284: for (var i=0;i<this.document.lonhomework.elements.length;i++) {
285: if (this.document.lonhomework.elements[i].name == prefix+'submitted') {
286: this.document.lonhomework.elements[i].value="part_"+part;
287: }
288: }
289: }
1.400 albertel 290: }
291:
1.532 raeburn 292: function disableAutoComplete (id) {
293: var field = document.getElementById(id);
294: if (field != null && field != undefined){
295: if ('autocomplete' in field) {
296: field.autocomplete = "off";
297: } else {
298: field.setAttribute("autocomplete", "off");
299: }
300: }
301: }
302:
1.400 albertel 303: function image_response_click (which, e) {
304: init_geometry();
305: if (!e) { e = window.event; } //IE
306: var input_element = document.lonhomework.elements[which];
1.401 albertel 307: var token_element = document.lonhomework.elements[which+'_token'];
1.400 albertel 308: var token = token_element.value;
1.401 albertel 309: var img_element = document.getElementById(which+'_imageresponse');
1.400 albertel 310: var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
311: var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
312: var click = x+':'+y;
313: input_element.value = click;
1.485 raeburn 314: img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
1.400 albertel 315: }
1.520 raeburn 316:
317: var submithandled = 0;
1.521 raeburn 318: var keypresshandled = 0;
1.531 raeburn 319: var postsubmit = '$postsubmit';
1.520 raeburn 320:
1.531 raeburn 321: \$(document).ready(function(){
322: if (postsubmit != 'off') {
323: \$(document).keypress(function(event){
1.521 raeburn 324: var keycode = (event.keyCode ? event.keyCode : event.which);
325: if ((keycode == '13') && (keypresshandled == 0)) {
1.531 raeburn 326: if ( \$( document.activeElement ).hasClass("LC_textline") ) {
1.521 raeburn 327: keypresshandled = 1;
1.531 raeburn 328: var idsArray = \$( document.activeElement ).attr("id").split(/HWVAL_/);
1.521 raeburn 329: if (idsArray.length) {
330: event.preventDefault();
331: var itemsArray = idsArray[1].split(/_/);
332: var buttonId = idsArray[0]+'submit_'+itemsArray[0];
1.531 raeburn 333: \$("#"+buttonId).trigger("click");
1.521 raeburn 334: }
335: }
336: }
337: });
338:
1.531 raeburn 339: \$(document).delegate('form :submit', 'click', function( event ) {
340: if ( \$( this ).hasClass( "LC_hwk_submit" ) ) {
1.520 raeburn 341: var buttonId = this.id;
1.531 raeburn 342: var timeout = $jstimeout;
1.520 raeburn 343: if (submithandled == 0) {
344: submithandled = 1;
1.531 raeburn 345: \$( "#msg_"+buttonId ).css({"display": "inline","background-color": "#87cefa",
1.521 raeburn 346: "color": "black","padding": "2px"}) ;
1.531 raeburn 347: if (( \$(this.form).id == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
1.522 raeburn 348: if (buttonId != "all_submit") {
1.531 raeburn 349: \$( ".LC_status_"+buttonId ).hide();
1.522 raeburn 350: if (( "#"+buttonId+"_pressed" ).length) {
1.531 raeburn 351: \$( "#"+buttonId+"_pressed" ).val( "1" );
1.522 raeburn 352: }
1.520 raeburn 353: }
1.522 raeburn 354: } else {
1.531 raeburn 355: \$( ".LC_status_"+buttonId ).hide();
1.520 raeburn 356: }
1.531 raeburn 357: \$(this.form).submit();
358: \$( ".LC_hwk_submit" ).prop( "disabled", true);
359: \$( ".LC_textline" ).prop( "readonly", "readonly");
1.520 raeburn 360: event.preventDefault();
1.531 raeburn 361:
362: if (timeout > 0) {
363: setTimeout(function(){
364: \$( "#msg_"+buttonId ).css({"display": "none"});
365: if (( \$(this.form).id == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
366: if (buttonId != "all_submit") {
367: if (( "#"+buttonId+"_pressed" ).length) {
368: \$( "#"+buttonId+"_pressed" ).val( "" );
369: }
370: }
371: }
372: \$( ".LC_hwk_submit" ).prop( "disabled", false);
373: \$( ".LC_textline" ).prop( "readonly", false);
374: submithandled = 0;
375: keypresshandled = 0;
376: }, timeout);
377: }
1.520 raeburn 378: return true;
379: }
380: }
381: });
1.531 raeburn 382: }
1.520 raeburn 383: });
384:
1.483 raeburn 385: // ]]>
1.400 albertel 386: </script>
387: JS
388: }
389:
1.416 raeburn 390: sub setmode_javascript {
391: return <<"ENDSCRIPT";
392: <script type="text/javascript">
1.485 raeburn 393: // <![CDATA[
1.416 raeburn 394: function setmode(form,probmode) {
395: form.problemmode.value = probmode;
396: form.submit();
397: }
1.485 raeburn 398: // ]]>
1.416 raeburn 399: </script>
400: ENDSCRIPT
401: }
402:
1.48 albertel 403: sub page_start {
1.345 albertel 404: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
405: $extra_head)=@_;
1.159 albertel 406: my %found;
1.207 albertel 407: foreach my $taginside (@$tagstack) {
1.159 albertel 408: foreach my $taglookedfor ('html','body','form') {
409: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
410: }
411: }
412:
1.343 albertel 413: if ($target eq 'tex') {
414: return
415: &Apache::londefdef::start_html($target,$token,$tagstack,
416: $parstack,$parser,$safeeval);
417: }
418:
1.474 raeburn 419: $extra_head .= &homework_js().
420: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
421: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1.550 raeburn 422: my %textarea_args;
423: if (($env{'request.state'} ne 'construct') ||
424: ($env{'environment.nocodemirror'})) {
425: %textarea_args = (
1.474 raeburn 426: dragmath => 'math',
427: );
1.550 raeburn 428: }
1.474 raeburn 429: $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
1.425 raeburn 430: }
1.478 raeburn 431: my $is_task = ($env{'request.uri'} =~ /\.task$/);
1.528 raeburn 432: my ($needs_upload,$partlist);
1.495 raeburn 433: my ($symb)= &Apache::lonnet::whichuser();
434: my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
1.478 raeburn 435: if ($is_task) {
1.495 raeburn 436: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
1.493 raeburn 437: } else {
438: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.uploadedfiletypes") ne '') {
1.495 raeburn 439: unless ($env{'request.state'} eq 'construct') {
440: my $navmap = Apache::lonnavmaps::navmap->new();
441: if (ref($navmap)) {
442: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 443: my $is_page;
444: if (ref($mapres)) {
445: $is_page = $mapres->is_page();
446: }
447: unless ($is_page) {
1.495 raeburn 448: $needs_upload = 1;
449: }
1.528 raeburn 450: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
451: my $res = $navmap->getBySymb($symb);
452: if (ref($res)) {
453: $partlist = $res->parts();
454: }
455: }
1.495 raeburn 456: }
457: }
1.493 raeburn 458: } else {
459: unless ($env{'request.state'} eq 'construct') {
460: my $navmap = Apache::lonnavmaps::navmap->new();
461: if (ref($navmap)) {
1.495 raeburn 462: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 463: my $is_page;
464: if (ref($mapres)) {
465: $is_page = $mapres->is_page();
466: }
1.528 raeburn 467: if ($is_page) {
468: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
469: my $res = $navmap->getBySymb($symb);
470: if (ref($res)) {
471: $partlist = $res->parts();
472: }
473: }
474: } else {
1.495 raeburn 475: my $res = $navmap->getBySymb($symb);
476: if (ref($res)) {
1.528 raeburn 477: $partlist = $res->parts();
1.495 raeburn 478: if (ref($partlist) eq 'ARRAY') {
479: foreach my $part (@{$partlist}) {
480: my @types = $res->responseType($part);
481: my @ids = $res->responseIds($part);
482: for (my $i=0; $i < scalar(@ids); $i++) {
483: if ($types[$i] eq 'essay') {
484: my $partid = $part.'_'.$ids[$i];
485: if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
486: $needs_upload = 1;
487: last;
488: }
1.493 raeburn 489: }
490: }
491: }
1.495 raeburn 492: }
493: }
1.493 raeburn 494: }
495: }
496: }
497: }
1.495 raeburn 498: if ($needs_upload) {
1.538 musolffc 499: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js()
500: .'<script type="text/javascript"
501: src="/res/adm/includes/file_upload.js"></script>';
1.495 raeburn 502: }
1.478 raeburn 503: }
1.425 raeburn 504:
1.344 albertel 505: my %body_args;
506: if (defined($found{'html'})) {
507: $body_args{'skip_phases'}{'head'}=1;
508: } else {
1.343 albertel 509:
1.345 albertel 510: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 511:
1.379 albertel 512: $extra_head .= &Apache::londefdef::generate_css_links();
513:
1.384 albertel 514: if ($env{'request.state'} eq 'construct') {
1.343 albertel 515: $extra_head.=&Apache::edit::js_change_detection().
516: "<script type=\"text/javascript\">\n".
517: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
518: &Apache::loncommon::browser_and_searcher_javascript().
519: "\n</script>\n";
1.525 raeburn 520: if ($target eq 'edit') {
521: $extra_head .= &Apache::edit::js_update_linknum();
522: }
1.343 albertel 523: }
1.159 albertel 524: }
1.343 albertel 525:
1.446 bisitz 526: my $pageheader = '';
1.344 albertel 527: if (defined($found{'body'})) {
528: $body_args{'skip_phases'}{'body'}=1;
529: } elsif (!defined($found{'body'})
530: && $env{'request.state'} eq 'construct') {
1.343 albertel 531: if ($target eq 'web' || $target eq 'edit') {
1.542 raeburn 532: unless ($env{'form.inhibitmenu'} eq 'yes') {
533: # Breadcrumbs for Authoring Space
534: &Apache::lonhtmlcommon::clear_breadcrumbs();
535: &Apache::lonhtmlcommon::add_breadcrumb({
536: 'text' => 'Authoring Space',
537: 'href' => &Apache::loncommon::authorspace($env{'request.uri'}),
538: });
539: # breadcrumbs (and tools) will be created
540: # in start_page->bodytag->innerregister
1.460 droeschl 541:
1.450 bisitz 542: # FIXME Where are we?
1.542 raeburn 543: # &Apache::lonhtmlcommon::add_breadcrumb({
544: # 'text' => 'Problem Editing', # 'Problem Testing'
545: # 'href' => '',
546: # });
547: $pageheader = &Apache::loncommon::head_subbox(
548: &Apache::loncommon::CSTR_pageheader());
549: }
550: }
1.272 albertel 551: } elsif (!defined($found{'body'})) {
1.343 albertel 552: my %add_entries;
1.159 albertel 553: my $background=&Apache::lonxml::get_param('background',$parstack,
554: $safeeval);
1.343 albertel 555: if ($background ne '' ) {
556: $add_entries{'background'} = $background;
557: }
1.344 albertel 558:
1.290 albertel 559: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
560: $safeeval);
1.446 bisitz 561: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
1.344 albertel 562:
1.446 bisitz 563: $body_args{'bgcolor'} = $bgcolor;
564: # $body_args{'no_title'} = 1;
565: $body_args{'force_register'} = 1;
566: $body_args{'add_entries'} = \%add_entries;
1.466 droeschl 567: if ( $env{'request.state'} eq 'construct') {
1.446 bisitz 568: $body_args{'only_body'} = 1;
1.518 raeburn 569: } elsif ($target eq 'web') {
570: $body_args{'print_suppress'} = 1;
1.446 bisitz 571: }
1.344 albertel 572: }
1.365 albertel 573: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 574: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
575: \%body_args);
1.446 bisitz 576: $page_start .= $pageheader;
1.462 raeburn 577: if (!defined($found{'body'})
578: && $env{'request.state'} ne 'construct'
579: && ($target eq 'web' || $target eq 'webgrade')) {
580:
581: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
582: if ($symb eq '' && !$publicuser) {
583: $page_start .= '<p class="LC_info">'
584: .&mt('Browsing resource, all submissions are temporary.')
585: .'</p>';
1.457 bisitz 586: }
1.344 albertel 587: }
588:
1.409 albertel 589: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 590: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 591: }
592: my $form_tag_start;
593: if (!defined($found{'form'})) {
1.337 albertel 594: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.465 raeburn 595: my $uri = &Apache::loncommon::inhibit_menu_check(
1.455 droeschl 596: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.464 raeburn 597: $uri = &HTML::Entities::encode($uri,'<>&"');
1.327 albertel 598: $form_tag_start.=$uri.'" ';
599: if ($target eq 'edit') {
600: $form_tag_start.=&Apache::edit::form_change_detection();
601: }
1.493 raeburn 602: my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
603: my ($path,$multiresp) =
604: &Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom);
1.495 raeburn 605: if (($is_task) || ($needs_upload)) {
606: $form_tag_start .= ' onsubmit="return file_submission_check(this,'."'$path','$multiresp'".');"';
1.478 raeburn 607: }
1.368 albertel 608: $form_tag_start.='>'."\n";
1.355 albertel 609:
610: if ($symb =~ /\S/) {
611: $symb=
612: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
613: $form_tag_start.=
1.368 albertel 614: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 615: }
1.159 albertel 616: }
1.528 raeburn 617: return ($page_start,$form_tag_start,$partlist);
1.105 albertel 618: }
619:
1.141 matthew 620: #use Time::HiRes();
1.105 albertel 621: sub get_resource_name {
1.159 albertel 622: my ($parstack,$safeeval)=@_;
1.388 foxr 623: my $name;
1.204 albertel 624: if (defined($Apache::lonhomework::name)) {
1.388 foxr 625: $name = $Apache::lonhomework::name;
626: } else {
627: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 628: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 629: if ($name eq '') {
630: $name=&Apache::lonnet::EXT('resource.title');
631: if ($name eq 'con_lost') { $name = ''; }
632: }
633: if ($name!~/\S+/) {
634: $name=$env{'request.uri'};
635: $name=~s-.*/([^/]+)$-$1-;
636: }
637: # The name has had html tags escaped:
638:
639: $name=~s/</</gs;
640: $name=~s/>/>/gs;
641:
642: $Apache::lonhomework::name=$name;
1.204 albertel 643: }
1.159 albertel 644: return $name;
1.105 albertel 645: }
646:
647: sub setup_rndseed {
1.528 raeburn 648: my ($safeeval,$target,$probpartlist)=@_;
1.367 albertel 649: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 650: my ($questiontype,$set_safespace,$rndseed);
651: if ($target eq 'analyze') {
652: $questiontype = $env{'form.grade_questiontype'};
653: }
654: unless (defined($questiontype)) {
655: $questiontype = $Apache::lonhomework::type;
656: }
1.333 albertel 657: if ($env{'request.state'} eq "construct"
658: || $symb eq ''
659: || $Apache::lonhomework::type eq 'practice'
660: || $Apache::lonhomework::history{'resource.CODE'}) {
1.316 www 661: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 662: ['rndseed']);
1.284 albertel 663: $rndseed=$env{'form.rndseed'};
1.159 albertel 664: if (!$rndseed) {
1.162 albertel 665: $rndseed=$Apache::lonhomework::history{'rndseed'};
666: if (!$rndseed) {
667: $rndseed=time;
668: }
1.284 albertel 669: $env{'form.rndseed'}=$rndseed;
1.162 albertel 670: }
1.479 raeburn 671: if (($env{'request.state'} eq "construct") &&
672: ($Apache::lonhomework::type eq 'randomizetry')) {
673: my $tries = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.tries"};
674: if ($tries) {
675: $rndseed += $tries;
676: }
1.480 raeburn 677: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.479 raeburn 678: }
1.551 damieng 679: if ( ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 680: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 681: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 682: srand(time);
683: $rndseed=int(rand(2100000000));
1.284 albertel 684: $env{'form.rndseed'}=$rndseed;
685: delete($env{'form.resetdata'});
686: delete($env{'form.newrandomization'});
1.159 albertel 687: }
1.488 www 688: $rndseed=~s/\,/\:/g;
689: $rndseed=~s/[^\w\d\:\-]//g;
1.489 www 690: if (defined($rndseed)) {
691: my ($c1,$c2)=split(/\:/,$rndseed);
692: unless ($c2) { $c2=0; }
693: unless (($c1==int($c1)) && ($c2==int($c2))) {
694: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
695: }
1.187 albertel 696: }
1.247 albertel 697: if ($Apache::lonhomework::history{'resource.CODE'}) {
698: $rndseed=&Apache::lonnet::rndseed();
699: }
1.479 raeburn 700: $set_safespace = 1;
701: } elsif ($questiontype eq 'randomizetry') {
702: if ($target eq 'analyze') {
703: if (defined($env{'form.grade_rndseed'})) {
704: $rndseed = $env{'form.grade_rndseed'};
705: }
706: }
707: unless (($target eq 'analyze') && (defined($rndseed))) {
708: $rndseed=&Apache::lonnet::rndseed();
1.528 raeburn 709: my $partfortries = $Apache::inputtags::part;
710: if (ref($probpartlist) eq 'ARRAY') {
711: if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $Apache::inputtags::part)) {
712: $partfortries = $probpartlist->[0];
713: }
714: }
715: my $curr_try = $Apache::lonhomework::history{"resource.$partfortries.tries"};
1.479 raeburn 716: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
717: $curr_try ++;
718: }
719: if ($rndseed =~/^(\d+)[,:](\d+)$/) {
720: $rndseed = $1;
721: }
722: if ($curr_try) {
1.528 raeburn 723: my $reqtries = &Apache::lonnet::EXT("resource.$partfortries.randomizeontries");
1.479 raeburn 724: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
725: my $inc = int(($curr_try-1)/$reqtries);
726: $rndseed += $inc;
727: } else {
728: $rndseed += $curr_try;
729: }
730: }
731: }
732: $set_safespace = 1;
1.528 raeburn 733: if ($target eq 'grade') {
734: $Apache::lonhomework::rawrndseed = $rndseed;
735: }
1.479 raeburn 736: }
737: if ($set_safespace) {
738: if ($safeeval) {
739: &Apache::lonxml::debug("Setting rndseed to $rndseed");
740: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
741: }
742: }
743: unless (($env{'request.state'} eq "construct") || ($symb eq '')) {
744: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.159 albertel 745: }
746: return $rndseed;
1.105 albertel 747: }
748:
1.268 albertel 749: sub remember_problem_state {
750: return '
1.284 albertel 751: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
752: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
753: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 754: }
755:
1.487 www 756: sub problem_edit_action_button {
757: my ($name,$action,$accesskey,$text,$flag)=@_;
758: my $actionscript="setmode(this.form,'$action')";
759: return "\n<input type='button' name='$name' accesskey='$accesskey' value='".&mt($text)."'".
760: ($flag?&Apache::edit::submit_ask_anyway($actionscript):&Apache::edit::submit_dont_ask($actionscript))." />";
761: }
762:
1.423 www 763: sub problem_edit_buttons {
1.487 www 764: my ($mode)=@_;
1.535 droeschl 765: # Buttons that save
766: my $result = '<div style="float:right">';
767: if ($mode eq 'editxml') {
768: $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
769: $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
770: } else {
771: $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
772: $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
773: }
774: $result.="\n</div>\n";
1.487 www 775: # Buttons that do not save
1.535 droeschl 776: $result .= '<div>'.
1.487 www 777: &problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
778: if ($mode eq 'editxml') {
779: $result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
780: $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
1.550 raeburn 781: if ($env{'environment.nocodemirror'}) {
782: $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
783: }
1.487 www 784: } else {
785: $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
786: $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
787: }
788: $result.="\n</div>";
789: return $result;
1.423 www 790: }
791:
792: sub problem_edit_header {
1.527 golterma 793: my ($mode)=@_;
794: my $return = '<input type="hidden" name="submitted" value="edit" />'.
1.487 www 795: &remember_problem_state('edit').'
1.527 golterma 796: <div class="LC_edit_problem_header">
797: <div class="LC_edit_problem_header_title">
798: '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
799: </div><div class="LC_edit_actionbar" id="actionbar">'.
800: '<input type="hidden" name="problemmode" value="saveedit" />'.
801: &problem_edit_buttons();
802:
1.535 droeschl 803: $return .= '</div></div>' . &Apache::lonxml::message_location();
1.527 golterma 804: $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />
805: <script type="text/javascript" src="/adm/codemirror/codemirror-compressed-colorful.js"></script>';
806:
807: $return .= '<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
808: <script type="text/javascript">
809: // unless internet explorer
810: if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode || document.compatMode))){
811: $(document).ready(
812: function() {
813: $(\'.LC_edit_actionbar\').scrollToFixed(
814: {
815: fixed: function(){
1.535 droeschl 816: //$(this).find(\'.LC_edit_actionbar\').css(\'height\', \'31px\');
817: $(this).find(\'.LC_edit_actionbar\');
1.527 golterma 818: }
819: }
820: );
821: }
822: );
823: }
824: </script>
825: <table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
826: return $return;
1.105 albertel 827: }
828:
829: sub problem_edit_footer {
1.527 golterma 830: my $resource = $env{'request.ambiguous'};
1.412 albertel 831: return '</td></tr></table><br />
832: <div class="LC_edit_problem_footer">
1.453 bisitz 833: <hr />'.
1.423 www 834: &problem_edit_buttons().'
1.459 bisitz 835: <hr style="clear:both;" />
1.527 golterma 836: <script type="text/javascript">
837: restoreState("'.$resource.'");
838: restoreScrollPosition("'.$resource.'");
839: </script>
1.412 albertel 840: </div>
841: '.
1.342 albertel 842: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 843: }
844:
1.235 albertel 845: sub option {
846: my ($value,$name) = @_;
847: my $result ="<option value='".$value."' ";
1.284 albertel 848: if ($env{'form.'.$name} eq $value) {
1.235 albertel 849: $result.=" selected='on' ";
850: }
851: $result.='>';
852: return $result;
853: }
854:
1.105 albertel 855: sub problem_web_to_edit_header {
1.159 albertel 856: my ($rndseed)=@_;
1.406 albertel 857: my $result .= '<div class="LC_edit_problem_header">';
858:
859: if (!$Apache::lonhomework::parsing_a_task) {
860: $result .=
861: '<div class="LC_edit_problem_header_title">'.
862: &mt('Problem Testing').
863: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
864: '</div>';
865: } else {
866: $result .=
867: '<div class="LC_edit_problem_header_title">'.
868: &mt('Task Testing').
869: '</div>';
870: }
871:
1.315 albertel 872: my $show_all_foils_text =
873: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 874: &mt('Show All Instances')
875: : &mt('Show All Foils');
1.315 albertel 876:
1.452 bisitz 877: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
878: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 879: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 880: $show_all.= ' /> '.$show_all_foils_text
881: .'</label></span>';
1.406 albertel 882:
883:
1.384 albertel 884:
1.406 albertel 885: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 886: if (!$Apache::lonhomework::parsing_a_task) {
887: $result.="
1.406 albertel 888: <div class='LC_edit_problem_header_row1'>
889: <span class=\"LC_nobreak\">
1.405 albertel 890: ".&mt("Problem Status:")."
1.235 albertel 891: <select name='problemstate'>
1.270 albertel 892: <option value=''></option>
1.235 albertel 893: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
894: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
895: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
896: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
897: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
898: </select>
1.406 albertel 899: </span>
900: <span class=\"LC_nobreak\">
1.405 albertel 901: ".&mt("Problem Type:")."
1.235 albertel 902: <select name='problemtype'>
1.270 albertel 903: <option value=''></option>
1.509 bisitz 904: ".&option('exam' ,'problemtype').&mt("Bubblesheet Exam Problem")."</option>
1.428 raeburn 905: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 906: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 907: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
908: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
909: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 910: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.479 raeburn 911: ".&option('randomizetry' ,'problemtype').&mt("New Randomization Each Try")."</option>
1.235 albertel 912: </select>
1.406 albertel 913: </span>
914: $show_all
915: </div>
916: <div class='LC_edit_problem_header_row2'>
917: <span class=\"LC_nobreak\">
1.405 albertel 918: ".&mt("Feedback Mode:")."
1.235 albertel 919: <select name='problemstatus'>
920: <option value=''></option>
1.242 albertel 921: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.517 bisitz 922: ".&option('no', 'problemstatus').&mt("Don't Show Incorrect/Correct Feedback")."</option>
1.405 albertel 923: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 924: </select>
1.406 albertel 925: </span>
926: ";
927:
1.376 albertel 928: } elsif ($Apache::lonhomework::parsing_a_task) {
929: $result.="
1.406 albertel 930: <div class='LC_edit_problem_header_row1'>
931: <span class=\"LC_nobreak\">
1.405 albertel 932: ".&mt("Problem Status:")."
1.376 albertel 933: <select name='problemstate'>
934: <option value=''></option>
935: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
936: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
937: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
938: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
939: </select>
1.406 albertel 940: </span>
941: $show_all
942: ";
943: }
944: $result.='
945: <span class="LC_nobreak">
946: '.&mt('Apply style file: ').'
947: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
948: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
949: </span>
1.422 www 950: </div>
951: <div class="LC_edit_problem_header_row1">'.
952: &Apache::lonxml::renderingoptions().'
1.406 albertel 953: </div>
954: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
955: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
1.551 damieng 956: <button type="submit" name="resetdata" accesskey="r" value="reset_submissions">
957: '.&mt('Reset Submissions').'</button>
1.406 albertel 958: </div>
1.453 bisitz 959: <hr />
1.406 albertel 960: <div class="LC_edit_problem_header_randomize_row">
961: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
962: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 963: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 964: $rndseed.'"
965: onchange="javascript:document.lonhomework.changerandseed.click()" />';
966:
967: if (!$Apache::lonhomework::parsing_a_task) {
968: my $numtoanalyze=$env{'form.numtoanalyze'};
969: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 970: $result .= '<span class="LC_nobreak">'.
971: &mt('[_1] for [_2] versions.',
1.416 raeburn 972: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 973: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
974: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 975: $numtoanalyze.'" size="5" />').
976: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
977: '</span>';
978:
1.313 albertel 979: }
1.406 albertel 980:
981: $result.='
982: </div>
1.453 bisitz 983: <hr />
1.447 bisitz 984: <div>';
1.416 raeburn 985: $result.='<input type="hidden" name="problemmode" value="view" />';
986: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
987: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
988: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
989: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.541 damieng 990: if ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9) {
991: my $uri = $env{'request.uri'};
1.543 damieng 992: my $daxeurl = '/daxepage'.$uri;
1.541 damieng 993: $result .= '<input type="button" value="'.&mt('Edit with Daxe').'" '.
994: 'onclick="window.open(\''.$daxeurl.'\',\'_blank\');" />';
995: }
1.408 albertel 996: $result.='
997: </div>
1.453 bisitz 998: <hr />
1.409 albertel 999: '.&Apache::lonxml::message_location().'
1.406 albertel 1000: </div>';
1.159 albertel 1001: return $result;
1.48 albertel 1002: }
1003:
1.65 albertel 1004: sub initialize_storage {
1.357 albertel 1005: my ($given_symb) = @_;
1.353 albertel 1006: undef(%Apache::lonhomework::results);
1007: undef(%Apache::lonhomework::history);
1.357 albertel 1008: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1009: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 1010:
1011: # anonymous users (CODEd exams) have no data
1012: if ($name eq 'anonymous'
1013: && !defined($domain)) {
1014: return;
1015: }
1016:
1.333 albertel 1017: if ($env{'request.state'} eq 'construct'
1018: || $symb eq ''
1019: || $Apache::lonhomework::type eq 'practice') {
1020:
1021: my $namespace = $symb || $env{'request.uri'};
1.551 damieng 1022: if ($env{'form.resetdata'} eq 'reset_submissions' ||
1023: ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 1024: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 1025: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1026: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
1027: &Apache::lonxml::debug("Attempt reset");
1028: }
1.159 albertel 1029: %Apache::lonhomework::history=
1.333 albertel 1030: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.526 raeburn 1031: my ($temp)=keys(%Apache::lonhomework::history) ;
1.159 albertel 1032: &Apache::lonxml::debug("Return message of $temp");
1033: } else {
1034: %Apache::lonhomework::history=
1035: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1036: }
1.353 albertel 1037:
1.159 albertel 1038: #ignore error conditions
1.526 raeburn 1039: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1040: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 1041: }
1042:
1.435 jms 1043: =pod
1044:
1045: =item finalize_storage()
1046:
1.524 raeburn 1047: Stores away the result hash to a student's environment;
1.523 raeburn 1048: checks form.grade_ for specific values, otherwise stores
1049: to the running user's environment.
1.524 raeburn 1050:
1051: &check_correctness_changes() is called in two circumstances
1052: in which the results hash is to be stored permanently, for
1053: grading triggered by a student's submission, where feedback on
1054: correctness is to be provided to the student.
1055:
1056: 1. Immediately prior to storing the results hash
1057:
1058: To handle the case where a student's submission (and award) were
1059: stored after history was retrieved in &initialize_storage(), e.g.,
1060: if a student submitted answers in quick succession (e.g., from
1061: multiple tabs). &Apache::inputtags::hidealldata() is called for
1062: any parts with out-of-order storage (i.e., correct then incorrect,
1063: where awarded >= 1 when correct).
1064:
1065: 2. Immediately after storing the results hash
1066:
1067: To handle the case where lond on the student's homeserver returns
1068: delay:N -- where N is the number of transactions between the last
1069: retrieved in &initialize_storage() and the last stored immediately
1070: before permanent storage of the current transaction via
1071: lond::store_handler(). &Apache::grades::makehidden() is called
1072: for any parts with out-of-order storage (i.e., correct then incorrect,
1073: where awarded >= 1 when correct).
1074:
1075: Will call &store_aggregates() to increment totals for attempts,
1076: students, and corrects, if running user has student role.
1077:
1.435 jms 1078: =cut
1079:
1080:
1.65 albertel 1081: sub finalize_storage {
1.357 albertel 1082: my ($given_symb) = @_;
1.159 albertel 1083: my $result;
1.289 albertel 1084: if (%Apache::lonhomework::results) {
1.323 albertel 1085: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
1086: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 1087: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1088: &Apache::lonnet::whichuser($given_symb);
1.333 albertel 1089: if ($env{'request.state'} eq 'construct'
1090: || $symb eq ''
1091: || $Apache::lonhomework::type eq 'practice') {
1092: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 1093: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 1094: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 1095: $namespace,'',$domain,$name);
1.159 albertel 1096: &Apache::lonxml::debug('Construct Store return message:'.$result);
1097: } else {
1.524 raeburn 1098: my ($laststore,$checkedparts,@parts,%postcorrect);
1099: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1100: (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
1101: (!defined($env{'form.grade_courseid'}))) {
1102: if ($Apache::lonhomework::history{'version'}) {
1103: $laststore = $Apache::lonhomework::history{'version'}.'='.
1104: $Apache::lonhomework::history{'timestamp'};
1105: } else {
1106: $laststore = '0=0';
1107: }
1108: my %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1109: if ($record{'version'}) {
1110: my ($newversion,$oldversion,$oldtimestamp);
1111: if ($Apache::lonhomework::history{'version'}) {
1112: $oldversion = $Apache::lonhomework::history{'version'};
1113: $oldtimestamp = $Apache::lonhomework::history{'timestamp'};
1114: } else {
1115: $oldversion = 0;
1116: $oldtimestamp = 0;
1117: }
1118: if ($record{'version'} > $oldversion) {
1119: if ($record{'timestamp'} >= $oldtimestamp) {
1120: $laststore = $record{'version'}.'='.$record{'timestamp'};
1121: $newversion = $record{'version'} + 1;
1122: $checkedparts = 1;
1123: foreach my $key (keys(%Apache::lonhomework::results)) {
1124: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1125: my $part = $1;
1126: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1127: push(@parts,$part);
1128: }
1129: }
1130: }
1131: if (@parts) {
1132: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1133: \%record,\@parts,$newversion,
1134: $oldversion);
1135: if (@parts_to_hide) {
1136: foreach my $part (@parts_to_hide) {
1137: $postcorrect{$part} = 1;
1138: &Apache::inputtags::hidealldata($part);
1139: }
1140: }
1141: }
1142: }
1143: }
1144: }
1145: }
1.159 albertel 1146: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
1.524 raeburn 1147: $symb,$courseid,$domain,$name,$laststore);
1148: if ($result =~ /^delay\:(\d+)$/) {
1149: my $numtrans = $1;
1150: my ($oldversion) = split(/=/,$laststore);
1151: if ($numtrans) {
1152: my $newversion = $oldversion + 1 + $numtrans;
1153: my @possparts;
1154: if ($checkedparts) {
1155: foreach my $part (@parts) {
1156: unless ($postcorrect{$part}) {
1157: push(@possparts,$part);
1158: }
1159: }
1160: } else {
1161: foreach my $key (keys(%Apache::lonhomework::results)) {
1162: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1163: my $part = $1;
1164: unless ($postcorrect{$part}) {
1165: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1166: push(@possparts,$part);
1167: }
1168: }
1169: }
1170: }
1171: }
1172: if (@possparts) {
1173: my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1174: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1175: \%newrecord,\@possparts,$newversion,
1176: $oldversion);
1177: if (@parts_to_hide) {
1178: my $partslist = join(',',@parts_to_hide);
1179: &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1);
1180: }
1181: }
1182: }
1183: }
1.159 albertel 1184: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1185: &store_aggregates($symb,$courseid);
1.159 albertel 1186: }
1.323 albertel 1187: } else {
1188: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1189: }
1.159 albertel 1190: return $result;
1.65 albertel 1191: }
1192:
1.435 jms 1193: =pod
1194:
1.524 raeburn 1195: =item check_correctness_changes()
1196:
1197: For all parts for which current results contain a solved status
1198: of "incorrect_attempted", check if there was a transaction in which
1199: solved was set to "correct_by_student" in the time since the last
1200: transaction (retrieved when &initialize_storage() was called i.e.,
1201: when &start_problem() was called), unless:
1202: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1203: (b) problemstatus is set to no or no_feedback_ever
1204: If such a transaction exists, and did not occur after "reset status"
1205: by a user with grading privileges, then the current transaction is an
1206: example of an out-of-order transaction (i.e., incorrect occurring after
1207: correct). Accordingly, the current transaction should be hidden.
1208:
1209: =cut
1210:
1211:
1212: sub check_correctness_changes {
1213: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1214: my @parts_to_hide;
1215: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1216: return @parts_to_hide;
1217: }
1218: if (@{$parts}) {
1219: my $usec;
1220: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1221: ($env{'request.course.id'} eq $courseid)) {
1222: $usec = $env{'request.course.sec'};
1223: } else {
1224: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1225: }
1226: foreach my $id (@{$parts}) {
1227: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1228: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1229: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1230: my $reset;
1231: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1232: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1233: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1234: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1235: $reset = 1;
1236: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1237: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1238: unless ($reset) {
1239: push(@parts_to_hide,$id);
1240: last;
1241: }
1242: }
1243: }
1244: }
1245: }
1246: return @parts_to_hide;
1247: }
1248:
1249: =pod
1250:
1.435 jms 1251: item store_aggregates()
1252:
1253: Sends hash of values to be incremented in nohist_resourcetracker.db
1254: for the course. Increments total number of attempts, unique students
1255: and corrects for each part for an instance of a problem, as appropriate.
1256:
1257: =cut
1258:
1.285 raeburn 1259: sub store_aggregates {
1260: my ($symb,$courseid) = @_;
1.479 raeburn 1261: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1262: my @parts;
1.288 albertel 1263: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1264: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1265: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1266: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1267: push(@parts, $1);
1.285 raeburn 1268: }
1269: }
1.286 albertel 1270: foreach my $part (@parts) {
1.470 raeburn 1271: if ($env{'request.role'} =~/^st/) {
1272: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1273: eq 'APPROX_ANS' ||
1274: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1275: eq 'EXACT_ANS') {
1276: $aggregate{$symb."\0".$part."\0correct"} = 1;
1277: }
1278: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1279: $aggregate{$symb."\0".$part."\0users"} = 1;
1280: } else {
1281: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1282: if ($last_reset) {
1283: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1284: $aggregate{$symb."\0".$part."\0users"} = 1;
1285: }
1286: }
1287: }
1288: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1289: }
1.470 raeburn 1290: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1291: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1292: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1293: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1294: $randtrycounter{$symb."\0".$part} = 1;
1295: } else {
1296: $anoncounter{$symb."\0".$part} = 1;
1297: }
1.545 raeburn 1298: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.'::'};
1.537 raeburn 1299: if ($needsrelease) {
1.470 raeburn 1300: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1301: if ($curr_required eq '') {
1.471 raeburn 1302: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1303: } else {
1304: my ($currmajor,$currminor) = split(/\./,$curr_required);
1305: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1306: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1307: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1308: }
1.292 raeburn 1309: }
1310: }
1.285 raeburn 1311: }
1312: }
1.526 raeburn 1313: if (keys(%aggregate) > 0) {
1.289 albertel 1314: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1315: $cdomain,$cname);
1316: }
1.472 raeburn 1317: if (keys(%anoncounter) > 0) {
1.481 raeburn 1318: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1319: $cdomain,$cname);
1.472 raeburn 1320: }
1.479 raeburn 1321: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1322: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1323: $cdomain,$cname);
1.479 raeburn 1324: }
1.292 raeburn 1325: }
1.289 albertel 1326:
1.65 albertel 1327: sub checkout_msg {
1.211 albertel 1328: my %lt=&Apache::lonlocal::texthash(
1329: 'resource'=>'The resource needs to be checked out',
1330: '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.',
1331: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 1332: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
1333: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 1334: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1335: return (<<ENDCHECKOUT);
1.211 albertel 1336: <h2>$lt{'resource'}</h2>
1337: <p>$lt{'id_expln'}</p>
1.449 bisitz 1338: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1339: <form name="checkout" method="post" action="$uri">
1.91 albertel 1340: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1341: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1342: </form>
1343: ENDCHECKOUT
1344: }
1345:
1.252 albertel 1346: sub firstaccess_msg {
1.253 albertel 1347: my ($time,$symb)=@_;
1.414 albertel 1348: my $result;
1349: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1350: if ($interval[1] eq 'map') {
1351: my ($map)=&Apache::lonnet::decode_symb($symb);
1352: my $foldertitle=&Apache::lonnet::gettitle($map);
1353:
1354: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1355: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1356: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1357: ,$foldertitle,$time)."</p>";
1.414 albertel 1358: } elsif ($interval[1] eq 'course') {
1359: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1360: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1361: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1362: ,$course,$time)."</p>";
1.414 albertel 1363: } else {
1364: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1365: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1366: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1367: ,$title,$time)."</p>";
1.414 albertel 1368: }
1.352 albertel 1369: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1370: my $buttontext = &mt('Show Resource');
1371: my $timertext = &mt('Start Timer?');
1.414 albertel 1372: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1373: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1374: <input type="hidden" name="markaccess" value="yes" />
1.514 bisitz 1375: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1376: </form>
1377: ENDCHECKOUT
1.414 albertel 1378: return $result;
1.252 albertel 1379: }
1380:
1.204 albertel 1381: sub init_problem_globals {
1382: my ($type)=@_;
1383: #initialize globals
1.308 foxr 1384: # For problems, we start out in part 0 (outside a <part> tag).
1385: # and part 0 is used to describe the main body of the <problem>
1386: #
1.204 albertel 1387: if ($type eq 'problem') {
1388: $Apache::inputtags::part='0';
1389: @Apache::inputtags::partlist=('0');
1.405 albertel 1390: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1391: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1392:
1.266 albertel 1393: } elsif ($type eq 'library') {
1.204 albertel 1394: $Apache::inputtags::part='';
1395: @Apache::inputtags::partlist=();
1.405 albertel 1396: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1397: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1398:
1.304 albertel 1399: } elsif ($type eq 'Task') {
1400: $Apache::inputtags::part='0';
1401: @Apache::inputtags::partlist=('0');
1.405 albertel 1402: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1403: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1404: }
1.477 www 1405: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1406: @Apache::inputtags::responselist = ();
1407: @Apache::inputtags::importlist = ();
1408: @Apache::inputtags::previous=();
1409: @Apache::inputtags::previous_version=();
1.536 raeburn 1410: $Apache::inputtags::leniency='';
1.204 albertel 1411: $Apache::structuretags::printanswer='No';
1412: @Apache::structuretags::whileconds=();
1413: @Apache::structuretags::whilebody=();
1414: @Apache::structuretags::whileline=();
1415: $Apache::lonhomework::scantronmode=0;
1416: undef($Apache::lonhomework::name);
1.358 albertel 1417: undef($Apache::lonhomework::default_type);
1418: undef($Apache::lonhomework::type);
1.204 albertel 1419: }
1420:
1421: sub reset_problem_globals {
1422: my ($type)=@_;
1423: undef(%Apache::lonhomework::history);
1424: undef(%Apache::lonhomework::results);
1425: undef($Apache::inputtags::part);
1.536 raeburn 1426: undef($Apache::inputtags::leniency);
1.498 raeburn 1427: if ($type eq 'Task') {
1428: undef($Apache::inputtags::slot_name);
1.528 raeburn 1429: } elsif ($type eq 'problem') {
1430: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1431: }
1.208 albertel 1432: #don't undef this, lonhomework.pm takes care of this, we use this to
1433: #detect if we try to do 2 problems in one file
1434: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1435: undef($Apache::lonhomework::name);
1.358 albertel 1436: undef($Apache::lonhomework::default_type);
1437: undef($Apache::lonhomework::type);
1438: undef($Apache::lonhomework::scantronmode);
1439: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1440: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1441: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1442: }
1443:
1.241 albertel 1444: sub set_problem_state {
1.240 albertel 1445: my ($part)=@_;
1.284 albertel 1446: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1447: $Apache::lonhomework::history{"resource.$part.solved"}=
1448: 'correct_by_student';
1449: }
1450: }
1451:
1.241 albertel 1452: sub get_problem_status {
1453: my ($part)=@_;
1.267 albertel 1454: my $problem_status;
1.284 albertel 1455: if ($env{'request.state'} eq 'construct' &&
1456: defined($env{'form.problemstatus'})) {
1457: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1458: } else {
1459: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1460: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1461: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1462: }
1463: return $problem_status;
1464: }
1465:
1.9 albertel 1466: sub start_problem {
1.326 albertel 1467: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1468:
1.311 foxr 1469: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1470: if (!$Apache::lonxml::metamode) {
1471: &Apache::lonxml::startredirection();
1472: }
1.311 foxr 1473:
1.308 foxr 1474: # Problems don't nest and we don't allow more than one <problem> in
1475: # a .problem file.
1476: #
1.184 albertel 1477: if ( $Apache::inputtags::part ne '' ||
1478: $Apache::lonhomework::parsing_a_problem) {
1479: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1480: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1481: return '';
1482: }
1.184 albertel 1483:
1484: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1485: &init_problem_globals('problem');
1.166 albertel 1486:
1.284 albertel 1487: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1488: $Apache::lonhomework::scantronmode=1;
1489: }
1.161 albertel 1490:
1.159 albertel 1491: if ($target ne 'analyze') {
1.415 raeburn 1492: my $type = &Apache::lonnet::EXT('resource.0.type');
1493: $Apache::lonhomework::type=$type;
1.284 albertel 1494: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1495: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1496: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1497: }
1.332 albertel 1498: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1499: }
1.164 albertel 1500: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1501: my $uri=$env{'request.uri'};
1.159 albertel 1502: if ($uri=~/\.(\w+)$/) {
1503: $Apache::lonhomework::type=$1;
1504: &Apache::lonxml::debug("Using type of $1");
1505: } else {
1506: $Apache::lonhomework::type='problem';
1507: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1508: }
1.87 albertel 1509: }
1.301 albertel 1510: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1511:
1.363 albertel 1512: &initialize_storage();
1.389 albertel 1513: if ($target ne 'analyze'
1514: && $env{'request.state'} eq 'construct') {
1515: &set_problem_state('0');
1516: }
1517:
1.366 albertel 1518: if ($target eq 'web') {
1519: &Apache::lonxml::debug(" grading history ");
1520: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1521: }
1.363 albertel 1522:
1.159 albertel 1523: #added vars to the scripting enviroment
1.213 albertel 1524: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1525: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1526: &Apache::run::run($expression,$safeeval);
1.159 albertel 1527: my $status;
1528: my $accessmsg;
1.508 raeburn 1529: my $resource_due;
1.540 raeburn 1530: my $ipused;
1.159 albertel 1531:
1.343 albertel 1532: my $name= &get_resource_name($parstack,$safeeval);
1.528 raeburn 1533: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist);
1.506 raeburn 1534:
1535: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1536: $target eq 'tex') {
1537: if ($env{'form.markaccess'}) {
1538: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.539 raeburn 1539: my ($timelimit) = split(/_/,$interval[0]);
1540: &Apache::lonnet::set_first_access($interval[1],$timelimit);
1.506 raeburn 1541: }
1542: }
1543:
1.354 albertel 1544: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1545: || $target eq 'edit') {
1.528 raeburn 1546: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1547: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1548: $name);
1.552 ! raeburn 1549: } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
! 1550: ($target eq 'answer')) {
1.528 raeburn 1551: my ($symb)= &Apache::lonnet::whichuser();
1552: my $navmap = Apache::lonnavmaps::navmap->new();
1553: if (ref($navmap)) {
1554: my $res = $navmap->getBySymb($symb);
1555: if (ref($res)) {
1556: $probpartlist = $res->parts();
1557: }
1558: }
1.350 albertel 1559: }
1560:
1.552 ! raeburn 1561: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
! 1562: $target eq 'tex') {
! 1563:
! 1564: my ($symb)= &Apache::lonnet::whichuser();
! 1565: ($status,$accessmsg,$slot_name,$slot,$ipused) =
! 1566: &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
! 1567: push (@Apache::inputtags::status,$status);
! 1568: }
! 1569:
1.284 albertel 1570: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1571:
1.479 raeburn 1572: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1573: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1574: $target eq 'tex') {
1.479 raeburn 1575:
1.159 albertel 1576: #handle rand seed in construction space
1.528 raeburn 1577: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1578: if (($target eq 'grade') && &Apache::response::submitted()) {
1579: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1580: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1581: } else {
1582: my @parts;
1583: if (ref($probpartlist) eq 'ARRAY') {
1584: @parts = @{$probpartlist};
1585: }
1586: unless (@parts) {
1.529 raeburn 1587: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1588: }
1589: }
1590: }
1.367 albertel 1591: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 1592:
1.333 albertel 1593: if ($env{'request.state'} ne "construct" &&
1594: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 1595: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.462 raeburn 1596: $rndseed.'" />'.
1.551 damieng 1597: '<button type="submit" name="resetdata"
1598: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1599: if (exists($env{'form.username'})) {
1600: $form_tag_start.=
1.164 albertel 1601: '<input type="hidden" name="username"
1.284 albertel 1602: value="'.$env{'form.username'}.'" />';
1.334 albertel 1603: }
1.462 raeburn 1604: if ($env{'request.role.adv'}) {
1605: $form_tag_start.= ' <label class="LC_nobreak">'
1606: .'<input type="checkbox" name="showallfoils"';
1607: if (defined($env{'form.showallfoils'})) {
1608: $form_tag_start.=' checked="checked"';
1609: }
1610: $form_tag_start.= ' /> '
1611: .&mt('Show All Foils')
1612: .'</label>';
1613: }
1.417 www 1614: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1615: $form_tag_start.=&practice_problem_header();
1.417 www 1616: }
1.462 raeburn 1617: $form_tag_start.='<hr />';
1.479 raeburn 1618: } elsif (($env{'request.state'} ne "construct") &&
1619: ($Apache::lonhomework::type eq 'randomizetry') &&
1.546 raeburn 1620: ($status eq 'CAN_ANSWER') &&
1.549 raeburn 1621: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
1622: (!$env{'request.role.adv'})) {
1623: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.479 raeburn 1624: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1625: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1626: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries);
1627: }
1.324 albertel 1628:
1.159 albertel 1629: my $expression='$external::datestatus="'.$status.'";';
1630: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
1631: &Apache::run::run($expression,$safeeval);
1632: &Apache::lonxml::debug("Got $status");
1.324 albertel 1633:
1.159 albertel 1634: if (( $status eq 'CLOSED' ) ||
1635: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1636: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 1637: ( $status eq 'BANNED') ||
1.216 albertel 1638: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 1639: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 1640: ( $status eq 'NOTRESERVABLE') ||
1641: ( $status eq 'RESERVABLE') ||
1642: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 1643: ( $status eq 'INVALID_ACCESS') ||
1644: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 1645: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1646: $style);
1.159 albertel 1647: if ( $target eq "web" ) {
1.343 albertel 1648: my $msg;
1.159 albertel 1649: if ($status eq 'UNAVAILABLE') {
1.504 golterma 1650: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1.441 raeburn 1651: } elsif ($status eq 'NOT_IN_A_SLOT') {
1.504 golterma 1652: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1.499 raeburn 1653: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1654: ($status eq 'NOTRESERVABLE')) {
1.504 golterma 1655: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1.253 albertel 1656: } elsif ($status ne 'NOT_YET_VIEWED') {
1.504 golterma 1657: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1.499 raeburn 1658: }
1.216 albertel 1659: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 1660: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 1661: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 1662: $msg.=&checkout_msg();
1.252 albertel 1663: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 1664: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 1665: } elsif ($status eq 'NOT_IN_A_SLOT') {
1.441 raeburn 1666: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1.499 raeburn 1667: } elsif ($status eq 'RESERVABLE') {
1668: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1669: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1670: '<br />'.
1671: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1672: } elsif ($status eq 'RESERVABLE_LATER') {
1673: $msg.=&mt('Window to make a reservation will open [_1].',
1674: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1675: } elsif ($status eq 'NOTRESERVABLE') {
1676: $msg.=&mt('Not available to make a reservation.');
1.540 raeburn 1677: } elsif ($status eq 'NEED_DIFFERENT_IP') {
1678: if ($ipused) {
1679: $msg.=&mt('You must use the same computer ([_1]) you used when you first accessed this resource using your time/place-based reservation.',"IP: $ipused");
1680: } else {
1681: $msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
1682: &mt('Somebody else has already used this particular computer for that purpose.');
1683: }
1684: }
1.159 albertel 1685: $result.=$msg.'<br />';
1686: } elsif ($target eq 'tex') {
1.332 albertel 1687: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1688: : '\begin{minipage}{\textwidth}';
1.443 foxr 1689: $result.='\noindent \vskip 1 mm '.
1.332 albertel 1690: $startminipage.'\vskip 0 mm';
1.159 albertel 1691: if ($status eq 'UNAVAILABLE') {
1.211 albertel 1692: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 1693: } else {
1.211 albertel 1694: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 1695: }
1696: }
1.324 albertel 1697: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1698: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1699: $style);
1.324 albertel 1700: if ($target eq 'web') {
1.375 albertel 1701: $result .=
1702: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 1703: } elsif ($target eq 'grade') {
1.540 raeburn 1704: my $checkinresult = &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
1705: 'problem');
1706: if ($checkinresult = /^error:/) {
1707: $result .= 'error';
1708: }
1.324 albertel 1709: }
1.159 albertel 1710: } elsif ($target eq 'web') {
1.508 raeburn 1711: if ($status eq 'CAN_ANSWER') {
1712: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
1713: if ($slot_name ne '') {
1714: my $checked_in =
1715: $Apache::lonhomework::history{'resource.0.checkedin'};
1716: if ($checked_in eq '') {
1717: # unproctored slot access, self checkin
1.540 raeburn 1718: my $needsiptied;
1719: if (ref($slot)) {
1720: $needsiptied = $slot->{'iptied'};
1721: }
1722: my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1723: $slot_name,$needsiptied);
1724: if ($check =~ /^error: /) {
1725: &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $env{'request.symb'}) using slot: $slot_name");
1726: } else {
1727: $checked_in =
1728: $Apache::lonhomework::results{"resource.0.checkedin"};
1729: }
1.508 raeburn 1730: }
1731: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1732: if ($slot->{'starttime'} < time()) {
1733: if (!$resource_due) {
1734: $resource_due = $slot->{'endtime'};
1735: } elsif ($slot->{'endtime'} < $resource_due) {
1736: $resource_due = $slot->{'endtime'};
1737: }
1738: }
1739: }
1740: }
1741: if ($resource_due) {
1742: my $time_left = $resource_due - time();
1743: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
1744: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
1745: }
1746: }
1747: }
1.368 albertel 1748: $result.="\n $form_tag_start \t".
1.227 albertel 1749: '<input type="hidden" name="submitted" value="yes" />';
1750: # create a page header and exit
1.284 albertel 1751: if ($env{'request.state'} eq "construct") {
1.544 damieng 1752: if ($env{'form.inhibitmenu'} eq 'yes') {
1753: # error messages can be useful in any case
1754: $result.= &Apache::lonxml::message_location();
1755: } else {
1.542 raeburn 1756: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1757: }
1.428 raeburn 1758: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 1759: $result.= '<button type="submit" name="resetdata" '.
1760: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
1761: &practice_problem_header().'<hr />';
1.428 raeburn 1762: }
1.227 albertel 1763: }
1764: # if we are viewing someone else preserve that info
1.284 albertel 1765: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1766: foreach my $field ('symb','courseid','domain','username') {
1767: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1768: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1769: }
1.479 raeburn 1770: foreach my $field ('trial','questiontype') {
1771: if ($env{"form.grade_$field"} ne '') {
1772: $result .= '<input type="hidden" name="grade_'.$field.
1773: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1774: }
1775: }
1.159 albertel 1776: }
1.490 raeburn 1777: if ($env{'form.grade_imsexport'}) {
1778: $result = '';
1779: }
1.159 albertel 1780: } elsif ($target eq 'tex') {
1.319 foxr 1781: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 1782: $result .= &select_metadata_hyphenation();
1783:
1.319 foxr 1784:
1.99 sakharuk 1785: }
1.159 albertel 1786: } elsif ($target eq 'edit') {
1.343 albertel 1787: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1788: $Apache::lonxml::warnings_error_header=
1789: &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 1790: my $temp=&Apache::edit::insertlist($target,$token);
1791: $result.=$temp;
1792: } elsif ($target eq 'modified') {
1793: $result=$token->[4];
1794: } else {
1795: # page_start returned a starting result, delete it if we don't need it
1796: $result = '';
1.99 sakharuk 1797: }
1.159 albertel 1798: return $result;
1.9 albertel 1799: }
1800:
1801: sub end_problem {
1.159 albertel 1802: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 1803: my $result;
1.310 foxr 1804:
1.321 albertel 1805: if (!$Apache::lonxml::metamode) {
1806: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 1807: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1808: }
1.319 foxr 1809:
1810: if ($target eq 'tex') {
1.321 albertel 1811: # Figure out the front matter and replace the
1812: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1813: # this in end_problem because whether or not we display due
1814: # dates depends on whether due dates have already been
1815: # displayed in the problem parts.
1816:
1.319 foxr 1817: my $frontmatter = '';
1818: my $startminipage = '';
1819: if (not $env{'form.problem_split'}=~/yes/) {
1820: $startminipage = '\begin{minipage}{\textwidth}';
1821: }
1822: my $id = $Apache::inputtags::part;
1823: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1824: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 1825: my @packages = split(/,/,$packages);
1.319 foxr 1826: my $allow_print_points = 0;
1827: foreach my $partial_key (@packages) {
1828: if ($partial_key=~m/^part_0$/) {
1829: $allow_print_points=1;
1830: }
1831: }
1832: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1833: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1834: if (lc($env{'course.'.$env{'request.course.id'}.
1835: '.disableexampointprint'}) eq 'yes') {
1836: $allow_print_points=0;
1837: }
1838: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 1839: 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 1840: &clear_required_languages();
1.319 foxr 1841: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1842: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1843:
1844: # Figure out what the due date is and if we need to print
1845: # it in the problem header. We have been logging the
1846: # last due date written to file.
1847:
1848: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1849: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 1850: my $duedate_text = &mt('Due date: [_1]'
1851: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 1852: my $temp_file;
1853: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1854:
1855: # Figure out what the last printed due date is or set it
1856: # to the epoch if no duedates have been printed.
1857:
1858: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1859: if (-e $filename) {
1860: $temp_file = Apache::File->new($filename);
1861: my @due_file = <$temp_file>;
1862: $due_file_content = $due_file[$#due_file];
1863: chomp $due_file_content;
1864: }
1865:
1866: # We display the due date iff it is not the same as the last
1867: # duedate in problem header ($due_file_content), and
1868: # none of our parts displayed a duedate.
1869: #
1870: my $parts_with_displayduedate;
1871: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1872: $parts_with_displayduedate =
1873: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1874: } else {
1875: $parts_with_displayduedate = 0;
1876: }
1877: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1878: $temp_file = Apache::File->new('>'.$filename);
1879: print $temp_file "$duetime\n";
1880: if (not $env{'request.symb'} =~ m/\.page_/) {
1881: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1882: $frontmatter .= $begin_doc.
1.448 bisitz 1883: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 1884: } else {
1885: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 1886: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 1887: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 1888: }
1.319 foxr 1889: }
1890: } else {
1.448 bisitz 1891: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 1892: }
1893: } else {
1894: if (not $env{'request.symb'} =~ m/\.page_/) {
1895: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 1896: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 1897: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 1898: }
1.319 foxr 1899: } else {
1.381 albertel 1900: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1901: }
1902: }
1903: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1904: }
1905:
1.159 albertel 1906: my $status=$Apache::inputtags::status['-1'];
1907: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1908: $target eq 'tex') {
1.249 albertel 1909: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1910: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1911: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1912: &Apache::inputtags::grade;
1.324 albertel 1913: } elsif ($status eq 'NEEDS_CHECKIN') {
1914: # no need to grade, and don't want to hide data
1.249 albertel 1915: } else {
1916: # move any submission data to .hidden
1917: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1918: }
1.159 albertel 1919: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1920: $Apache::inputtags::part eq '0' &&
1.490 raeburn 1921: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
1922: && !$env{'form.grade_imsexport'}) {
1.159 albertel 1923: # if part is zero, no <part>s existed, so we need show the current
1924: # grading status
1925: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1926: $result.= $gradestatus;
1927: }
1928: if (
1.284 albertel 1929: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1930: ($target eq 'answer') || ($target eq 'tex')
1931: ) {
1.490 raeburn 1932: if (($target ne 'tex') &&
1933: ($env{'form.answer_output_mode'} ne 'tex') &&
1934: (!$env{'form.grade_imsexport'})) {
1.254 www 1935: $result.="</form>";
1.159 albertel 1936: }
1937: if ($target eq 'web') {
1.507 raeburn 1938: #
1939: # Closing </body></html> not added by end_page().
1940: # Added separately at end of this routine, after added
1941: # <script></script> so document will be valid xhtml.
1942: #
1.546 raeburn 1943: my $showdisc = 1;
1.547 raeburn 1944: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
1945: (!$env{'request.role.adv'})) {
1946: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 1947: $showdisc = 0;
1.547 raeburn 1948: my ($symb)= &Apache::lonnet::whichuser();
1949: if ($symb) {
1950: my $navmap = Apache::lonnavmaps::navmap->new();
1951: if (ref($navmap)) {
1952: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
1953: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 1954: # and there are no tries left
1.547 raeburn 1955: unless ($hastries) {
1956: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
1957: my ($score,$incomplete) =
1958: &Apache::lonplacementtest::check_completion(undef,undef,1);
1959: if (!$incomplete) {
1960: $result .= &Apache::lonplacementtest::showresult(1,1);
1961: } elsif ($incomplete < 100) {
1962: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
1963: }
1964: } else {
1965: # For Placement Tests score is displayed if test has just been completed
1966: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
1967: if (!$incomplete) {
1968: $result.= &Apache::lonplacementtest::showresult(1,1);
1969: }
1970: }
1971: }
1972: }
1973: }
1.546 raeburn 1974: }
1975: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 1976: 'notbody' => 1});
1.159 albertel 1977: } elsif ($target eq 'tex') {
1.178 sakharuk 1978: my $endminipage = '';
1.284 albertel 1979: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1980: $endminipage = '\end{minipage}';
1981: }
1.284 albertel 1982: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1983: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1984: } else {
1.262 sakharuk 1985: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1986: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1987: $result .= $endminipage.'\end{document} ';
1988: } else {
1.382 albertel 1989: $result .= $endminipage;
1.262 sakharuk 1990: }
1.159 albertel 1991: }
1992: }
1993: }
1.476 www 1994: if ($target eq 'web') {
1995: $result.=&Apache::functionplotresponse::init_script();
1996: }
1.159 albertel 1997: if ($target eq 'grade') {
1998: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1999: &finalize_storage();
2000: }
1.284 albertel 2001: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2002: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2003: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2004: # normally we get it from above, but in CSTR
1.172 albertel 2005: # we always show answer mode too.
1.159 albertel 2006: }
2007: } elsif ($target eq 'meta') {
2008: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2009: @Apache::inputtags::response=();
1.159 albertel 2010: $result=&Apache::response::mandatory_part_meta;
2011: }
1.215 albertel 2012: $result.=&Apache::response::meta_part_order();
1.258 albertel 2013: $result.=&Apache::response::meta_response_order();
1.159 albertel 2014: } elsif ($target eq 'edit') {
2015: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2016: $result .= &problem_edit_footer();
1.320 albertel 2017: } elsif ($target eq 'modified') {
2018: $result .= $token->[2];
1.159 albertel 2019: }
1.155 albertel 2020:
1.284 albertel 2021: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2022: &Apache::inputtags::check_for_duplicate_ids();
2023: }
1.204 albertel 2024:
2025: &reset_problem_globals('problem');
1.159 albertel 2026:
1.502 foxr 2027: #
2028: # This shouild be just above the return so that the
2029: # time put in the javascript is as late as possible in the
2030: # computation:
2031: #
2032: if ($target eq 'web') {
2033: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2034: #
2035: # Closing tags delayed so any <script></script> tags
2036: # not in head can appear inside body, for valid xhtml.
2037: #
2038: $result .= "</body>\n</html>";
1.502 foxr 2039: }
1.159 albertel 2040: return $result;
1.48 albertel 2041: }
2042:
1.108 albertel 2043:
1.48 albertel 2044: sub start_library {
1.159 albertel 2045: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2046: my ($result,$form_tag_start);
1.371 albertel 2047: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2048: &init_problem_globals('library');
2049: $Apache::lonhomework::type='problem';
2050: }
1.159 albertel 2051: if ($target eq 'edit') {
1.343 albertel 2052: ($result,$form_tag_start)=
2053: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2054: 'Edit');
2055: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2056: my $temp=&Apache::edit::insertlist($target,$token);
2057: $result.=$temp;
2058: } elsif ($target eq 'modified') {
2059: $result=$token->[4];
1.340 albertel 2060: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2061: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2062: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2063: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2064: ($result,$form_tag_start)=
2065: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2066: $name);
1.479 raeburn 2067: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2068: $result.=" \n $form_tag_start".
1.159 albertel 2069: '<input type="hidden" name="submitted" value="yes" />';
2070: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2071: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2072: $result.= '<button type="submit" name="resetdata" '.
2073: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2074: &practice_problem_header().'<hr />';
1.428 raeburn 2075: }
1.159 albertel 2076: }
2077: return $result;
1.48 albertel 2078: }
2079:
2080: sub end_library {
1.159 albertel 2081: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2082: my $result='';
2083: if ($target eq 'edit') {
2084: $result=&problem_edit_footer();
1.371 albertel 2085: } elsif ($target eq 'web'
2086: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2087: && $env{'request.state'} eq "construct") {
1.349 albertel 2088: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 2089: }
1.371 albertel 2090: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2091: &reset_problem_globals('library');
2092: }
1.159 albertel 2093: return $result;
1.197 www 2094: }
2095:
2096: sub start_definetag {
1.326 albertel 2097: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2098:
2099: my $result;
2100:
2101: my $name = $token->[2]->{'name'};
1.326 albertel 2102: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2103: if ($target eq 'web') {
2104: if ($name=~/^\//) {
2105: $result=
2106: '<br /><table class="LC_sty_end"><tr><th>'.
2107: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2108: } else {
2109: $result=
2110: '<br /><table class="LC_sty_begin"><tr><th>'.
2111: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2112: }
2113: $skip = &HTML::Entities::encode($skip, '<>&"');
2114: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2115: }
2116: return $result;
2117: }
2118:
2119: sub end_definetag {
2120: return '';
1.1 albertel 2121: }
2122:
2123: sub start_block {
1.201 albertel 2124: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2125:
2126: my $result;
1.1 albertel 2127:
1.339 albertel 2128: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2129: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2130: my $code = $token->[2]->{'condition'};
1.385 albertel 2131: if (defined($code) && $code ne '') {
1.137 albertel 2132: if (!$Apache::lonxml::default_homework_loaded) {
2133: &Apache::lonxml::default_homework_load($safeeval);
2134: }
1.131 albertel 2135: $result = &Apache::run::run($code,$safeeval);
2136: &Apache::lonxml::debug("block :$code: returned :$result:");
2137: } else {
2138: $result='1';
2139: }
2140: if ( ! $result ) {
1.201 albertel 2141: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2142: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2143: }
2144: $result='';
2145: } elsif ($target eq 'edit') {
2146: $result .=&Apache::edit::tag_start($target,$token);
2147: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2148: $token,40);
2149: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2150: } elsif ($target eq 'modified') {
2151: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2152: $safeeval,'condition');
2153: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2154: }
1.131 albertel 2155: return $result;
1.1 albertel 2156: }
2157:
2158: sub end_block {
1.167 www 2159: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2160: my $result;
2161: if ($target eq "edit") {
2162: $result.= &Apache::edit::tag_end($target,$token,'');
2163: }
2164: return $result;
2165: }
1.500 foxr 2166: #
2167: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2168: # ...
2169: # </languageblock>
2170: #
2171: # This declares the intent to provide content that can be rendered in the
2172: # set of languages in the include specificatino but not in the exclude
2173: # specification. If a currently preferred language is in the include list
2174: # the content in the <languageblock>...</languageblock> is rendered
2175: # If the currently preferred language is in the exclude list,
2176: # the content in the <languageblock>..></languageblock is not rendered.
2177: #
2178: # Pathalogical case handling:
2179: # - Include specified, without the preferred language but exclude specified
2180: # also without the preferred langauge results in rendering the block.
2181: # - Exclude specified without include and excluden not containing a
2182: # preferred language renders the block.
2183: # - Include and exclude both specifying the preferred language does not
2184: # render the block.
2185: # - If neither include/exclude is specified, the block gets rendered.
2186: #
2187: # This tag has no effect when target is in {edit, modified}
2188: #
1.167 www 2189: sub start_languageblock {
1.201 albertel 2190: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2191:
1.500 foxr 2192: my $result = '';
1.167 www 2193:
1.339 albertel 2194: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2195: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2196: my $include = $token->[2]->{'include'};
2197: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2198: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2199:
2200: # This should not even happen, since we should at least have the server language
2201:
2202: if (!$preferred_languages[0]) {
2203: $preferred_languages[0]='en';
2204: }
2205:
2206: # Now loop over all languages in order of preference
2207:
2208: my $render;
1.398 www 2209: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2210:
2211: # If neither include/nor exlude is present the block is going
2212: # to get rendered.
2213:
1.399 www 2214: my $found=0;
1.500 foxr 2215: $render=1;
2216:
2217: # If include is specified, don't render the block
2218: # unless the preferred language is included in the set.
2219:
1.398 www 2220: if ($include) {
1.500 foxr 2221: $render=0;
1.398 www 2222: foreach my $included_language (split(/\,/,$include)) {
2223: if ($included_language eq $preferred_language) {
1.500 foxr 2224: $render=1;
1.399 www 2225: $found=1;
1.500 foxr 2226: last; # Only need to find the first.
1.398 www 2227: }
2228: }
2229: }
1.500 foxr 2230: # Do we have an exclude argument?
2231: # If so, and one of the languages matches a preferred language
2232: # inhibit rendering the block. Note that in the pathalogical case the
2233: # author has specified a preferred language in both the include and exclude
2234: # attribte exclude is preferred.
2235:
1.398 www 2236: if ($exclude) {
1.500 foxr 2237: $render=1;
1.398 www 2238: foreach my $excluded_language (split(/\,/,$exclude)) {
2239: if ($excluded_language eq $preferred_language) {
1.500 foxr 2240: $render=0;
1.399 www 2241: $found=1;
1.500 foxr 2242: last; # Only need to find the first.
1.398 www 2243: }
2244: }
2245: }
1.500 foxr 2246: if ($found) {
2247: last; # Done on any match of include or exclude.
2248: }
1.398 www 2249: }
1.500 foxr 2250: # If $render not true skip the entire block until </languageblock>
2251: #
2252:
2253: if ( ! $render ) {
1.201 albertel 2254: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2255: $style);
2256: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2257: }
1.500 foxr 2258: # If $render is true, we've not skipped the contents of the <languageglock>
2259: # and the normal loncapa processing flow will render it as a matter of course.
2260:
1.167 www 2261: } elsif ($target eq 'edit') {
2262: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2263: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2264: $token,40);
1.211 albertel 2265: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2266: $token,40);
2267: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2268: } elsif ($target eq 'modified') {
2269: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2270: $safeeval,'include',
2271: 'exclude');
1.167 www 2272: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2273: }
2274: return $result;
2275: }
2276:
2277: sub end_languageblock {
1.170 www 2278: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2279: my $result;
1.201 albertel 2280: if ($target eq "edit") {
1.170 www 2281: $result.= &Apache::edit::tag_end($target,$token,'');
2282: }
2283: return $result;
2284: }
1.500 foxr 2285: # languagblock specific tags:
2286: {
2287: # For chunks of a resource that has translations, this hash contains
2288: # the translations available indexed by language name.
2289: #
2290:
2291: my %available_texts;
1.170 www 2292:
1.500 foxr 2293: # <translated> starts a block of a resource that has multiple translations.
2294: # See the <lang> tag as well.
2295: # When </translated> is encountered if there is a translation for the
2296: # currently preferred language, that is rendered inthe web/tex/webgrade
2297: # targets. Otherwise, the default text is rendered.
2298: #
2299: # Note that <lang> is only registered for the duration of the
2300: # <translated>...</translated> block
2301: #
2302: # Pathalogical case handling:
2303: # - If there is no <lang> that specifies a 'default' and there is no
2304: # translation that matches a preferred language, nothing is rendered.
2305: # - Nested <translated>...</translated> might be linguistically supported by
2306: # XML due to the stack nature of tag registration(?) however the rendered
2307: # output will be incorrect because there is only one %available_texts
2308: # has and end_translated clears it.
2309: # - Material outside of a <lang>...</lang> block within the
2310: # <translated>...<translated> block won't render either e.g.:
2311: # <translated>
2312: # The following will be in your preferred langauge:
2313: # <lang which='en'>
2314: # This section in english
2315: # </lang>
2316: # <lang which='sgeiso'>
2317: # Hier es ist auf Deutsch.
2318: # </lang>
2319: # <lang which='sfriso'>
2320: # En Francais
2321: # </lang>
2322: # </translated>
2323: #
2324: # The introductory text prior to the first <lang> tag is not rendered.
2325: #
1.397 albertel 2326: sub start_translated {
2327: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2328: &Apache::lonxml::register('Apache::structuretags',('lang'));
2329: undef(%available_texts);
2330: }
2331:
2332: sub end_translated {
2333: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2334: my $result;
2335: #show the translation on viewable targets
2336: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2337: # or non-viewable targets, if it's embedded in something that
2338: # wants the output
2339: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2340: && &Apache::lonxml::in_redirection() ) ) {
2341: my @possibilities = keys(%available_texts);
2342: my $which =
2343: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2344: if ($target eq 'tex') {
2345: $result = &select_hyphenation($which);
2346: }
2347: $result .= $available_texts{$which};
2348: if ($target eq 'tex') {
2349: $result .= &select_metadata_hyphenation(); # Restore original language.
2350: }
1.397 albertel 2351: }
2352: undef(%available_texts);
2353: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2354: return $result;
2355: }
2356:
1.500 foxr 2357: # <lang [which='language-name'] [other='lang1,lang2...']>
2358: # Specifies that the block contained within it is a translation
2359: # for a specific language specified by the 'which' attribute. The
2360: # 'other' attribute can be used by itself or in conjunction with
2361: # which to specify this tag _may_ be used as a translation for some
2362: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2363: # specifying that the block provides a translation for US (primary)
2364: # Canadian, Australian and UK Englush.
2365: #
2366: # Comment: this seems a bit silly why not just support a list of languages
2367: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2368: #
2369: # Effect:
2370: # The material within the <lang>..</lang> block is stored in the
2371: # specified set of $available_texts hash entries, the appropriate one
2372: # is selected at </translated> time.
2373: #
2374: # Pathalogical case handling:
2375: # If a language occurs multiple times within a <translated> block,
2376: # only the last one is rendered e.g.:
2377: #
2378: # <translated>
2379: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2380: # Red green color blindness is quite common affecting about 7.8% of
2381: # the male population, but onloy about .65% of the female population.
2382: # </lang>
2383: # Red green colour blindness is quite common affecting about 7.8% of
2384: # the male population, but onloy about .65% of the female population.
2385: # <lang which='seniso', other='senisoCA,senisoAU'>
2386: # </translated>
2387: #
2388: # renders the correct spelling of color (colour) for people who have specified
2389: # a preferred language that is one of the British Commonwealth languages
2390: # even though those are also listed as valid selections for the US english
2391: # <lang> block.
2392: #
1.397 albertel 2393: sub start_lang {
2394: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2395: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2396: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2397: &Apache::lonxml::startredirection();
2398: }
2399: return '';
2400: }
2401:
2402: sub end_lang {
2403: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2404: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2405: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2406: my $result = &Apache::lonxml::endredirection();
2407: my $which = &Apache::lonxml::get_param('which',$parstack,
2408: $safeeval);
1.431 raeburn 2409: if ($which=~/\w/) {
2410: $available_texts{$which} = $result;
2411: }
2412: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2413: $safeeval);
2414: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2415: if ($language=~/\w/) {
2416: $available_texts{$language} = $result;
2417: }
1.427 bisitz 2418: }
2419:
1.397 albertel 2420: }
2421: return '';
2422: }
1.500 foxr 2423: } # end langauge block specific tags.
2424:
1.397 albertel 2425:
1.170 www 2426: sub start_instructorcomment {
1.201 albertel 2427: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2428:
2429: my $result;
2430:
1.339 albertel 2431: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2432: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2433: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2434: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2435: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2436: $parser,$style);
1.170 www 2437: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2438: }
2439: $result='';
2440: } elsif ($target eq 'edit') {
2441: $result .=&Apache::edit::tag_start($target,$token);
2442: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2443: }
2444: return $result;
2445: }
2446:
2447: sub end_instructorcomment {
1.159 albertel 2448: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2449: my $result;
2450: if ($target eq "edit") {
2451: $result.= &Apache::edit::tag_end($target,$token,'');
2452: }
2453: return $result;
1.4 tsai 2454: }
2455:
2456: sub start_while {
1.326 albertel 2457: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2458:
1.160 albertel 2459: my $result;
1.339 albertel 2460: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2461: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2462: my $code = $token->[2]->{'condition'};
1.4 tsai 2463:
1.160 albertel 2464: push( @Apache::structuretags::whileconds, $code);
2465: if (!$Apache::lonxml::default_homework_loaded) {
2466: &Apache::lonxml::default_homework_load($safeeval);
2467: }
2468: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2469: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2470: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2471: push( @Apache::structuretags::whileline, $token->[5]);
2472: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2473: if ( $result ) {
2474: &Apache::lonxml::newparser($parser,\$bodytext);
2475: }
2476: } elsif ($target eq 'edit') {
2477: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2478: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2479: $token,40);
2480: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2481: } elsif ($target eq 'modified') {
2482: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2483: $safeeval,'condition');
2484: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2485: }
1.160 albertel 2486: return $result;
1.4 tsai 2487: }
2488:
2489: sub end_while {
1.159 albertel 2490: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2491: my $result;
2492:
1.339 albertel 2493: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2494: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2495: my $code = pop(@Apache::structuretags::whileconds);
2496: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2497: my $line = pop(@Apache::structuretags::whileline);
2498: my $return = &Apache::run::run($code,$safeeval);
2499: my $starttime=time;
2500: my $error=0;
2501: while ($return) {
2502: if (time-$starttime >
2503: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2504: $return = 0; $error=1; next;
1.161 albertel 2505: }
2506: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2507: if ($target eq 'grade' || $target eq 'answer' ||
2508: $target eq 'analyze') {
2509: # grade/answer/analyze should produce no output but if we
2510: # are redirecting, the redirecter should know what to do
2511: # with the output
2512: if (!$Apache::lonxml::redirection) { undef($result); }
2513: }
1.161 albertel 2514: $return = &Apache::run::run($code,$safeeval);
2515: }
1.516 bisitz 2516: if ($error) {
2517: &Apache::lonxml::error(
2518: '<pre>'
2519: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2520: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2521: .&mt('This occurred while running <while> on line [_1].',
2522: $line)
2523: .'</pre>');
2524: }
1.160 albertel 2525: } elsif ($target eq "edit") {
2526: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2527: }
1.160 albertel 2528: return $result;
1.1 albertel 2529: }
1.6 tsai 2530:
1.160 albertel 2531: # <randomlist show="1">
1.6 tsai 2532: # <tag1>..</tag1>
2533: # <tag2>..</tag2>
2534: # <tag3>..</tag3>
1.160 albertel 2535: # ...
1.6 tsai 2536: # </randomlist>
2537: sub start_randomlist {
1.326 albertel 2538: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2539: my $result;
1.339 albertel 2540: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2541: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2542: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2543: my $b_parser= HTML::LCParser->new(\$body);
2544: $b_parser->xml_mode(1);
2545: $b_parser->marked_sections(1);
1.159 albertel 2546: my $b_tok;
2547: my @randomlist;
2548: my $list_item;
2549: while($b_tok = $b_parser->get_token() ) {
2550: if($b_tok->[0] eq 'S') { # start tag
2551: # get content of the tag until matching end tag
2552: # get all text upto the matching tag
2553: # and push the content into @randomlist
2554: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2555: $b_parser);
2556: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2557: push(@randomlist,$list_item);
2558: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2559: # $list_item</b>";
2560: }
2561: if($b_tok->[0] eq 'T') { # text
2562: # what to do with text in between tags?
2563: # print "<b>TEXT $b_tok->[1]</b><br />";
2564: }
2565: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2566: # print "<b>END-TAG $b_tok->[1]</b><br />";
2567: # }
2568: }
1.303 albertel 2569: if (@randomlist) {
2570: my @idx_arr = (0 .. $#randomlist);
2571: &Apache::structuretags::shuffle(\@idx_arr);
2572: my $bodytext = '';
2573: my $show=$#randomlist;
2574: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2575: $showarg--;
2576: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2577: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2578: my @currlist;
2579: my $part = $Apache::inputtags::part;
2580: if ($part ne '') {
2581: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2582: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2583: if (!(grep(/^\Q$part\E$/,@currlist))) {
2584: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2585: }
2586: } else {
2587: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2588: }
2589: }
2590: }
1.526 raeburn 2591: for my $i (0 .. $show) {
2592: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2593: }
2594: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2595: }
2596: } elsif ($target eq 'edit' ) {
2597: $result .=&Apache::edit::tag_start($target,$token);
2598: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2599: $token,5);
2600: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2601: } elsif ($target eq 'modified' ) {
2602: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2603: $safeeval,'show');
2604: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2605: }
2606: return $result;
1.7 tsai 2607: }
2608:
2609: sub shuffle {
2610: my $a=shift;
2611: my $i;
1.303 albertel 2612: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 2613: &Apache::response::pushrandomnumber();
1.159 albertel 2614: for($i=@$a;--$i;) {
2615: my $j=int(&Math::Random::random_uniform() * ($i+1));
2616: next if $i == $j;
2617: @$a[$i,$j] = @$a[$j,$i];
2618: }
1.251 albertel 2619: &Apache::response::poprandomnumber();
1.7 tsai 2620: }
1.6 tsai 2621: }
2622:
2623: sub end_randomlist {
1.159 albertel 2624: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2625: my $result;
2626: if ($target eq 'edit' ) {
2627: $result=&Apache::edit::tag_end($target,$token,
2628: 'End Randomly Parsed Block');
2629: }
2630: return $result;
1.6 tsai 2631: }
2632:
1.283 albertel 2633: sub ordered_show_check {
2634: my $last_part=$Apache::inputtags::partlist[-2];
2635: my $in_order=
2636: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2637: my $in_order_show=1;
2638: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2639: $in_order_show=&Apache::response::check_status($last_part);
2640: }
2641: return $in_order_show;
2642: }
2643:
1.469 www 2644:
2645: sub start_startpartmarker {
2646: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2647: my $result='';
2648: if ($target eq 'edit') {
2649: $result=&Apache::edit::tag_start($target,$token);
2650: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2651: $result.=&Apache::edit::end_table();
2652:
2653: }
2654: return $result;
2655: }
2656:
2657: sub end_startpartmarker {
2658: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2659: my @result;
2660: if ($target eq 'edit') { $result[1]='no'; }
2661: return @result;
2662: }
2663:
2664: sub start_endpartmarker {
2665: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2666: my $result='';
2667: if ($target eq 'edit') {
2668: $result=&Apache::edit::tag_start($target,$token);
2669: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
2670: $result.=&Apache::edit::end_table();
2671:
2672: }
2673: return $result;
2674: }
2675:
2676: sub end_endpartmarker {
2677: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2678: my @result;
2679: if ($target eq 'edit') { $result[1]='no'; }
2680: return @result;
2681: }
2682:
2683:
2684:
2685:
2686:
1.11 albertel 2687: sub start_part {
1.326 albertel 2688: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 2689: if (!$Apache::lonxml::metamode) {
2690: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
2691: # duedates.
2692: }
1.159 albertel 2693: my $result='';
1.386 albertel 2694: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 2695: $Apache::inputtags::part=$id;
1.177 albertel 2696: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 2697: $Apache::inputtags::leniency='';
1.177 albertel 2698: @Apache::inputtags::response=();
1.159 albertel 2699: @Apache::inputtags::previous=();
2700: @Apache::inputtags::previous_version=();
1.405 albertel 2701: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 2702: &Apache::response::reset_params();
2703:
1.159 albertel 2704: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 2705: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
2706: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 2707: if ($Apache::lonhomework::type eq 'randomizetry') {
2708: my $rndseed=&setup_rndseed($safeeval,$target);
2709: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2710: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 2711: }
2712: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2713: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 2714: }
1.283 albertel 2715: my $in_order_show=&ordered_show_check();
1.214 albertel 2716: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 2717: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 2718: &Apache::run::run($expression,$safeeval);
1.159 albertel 2719:
2720: if ($target eq 'meta') {
1.224 www 2721: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
2722: return &Apache::response::mandatory_part_meta.
2723: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 2724: } elsif ($target eq 'web' || $target eq 'grade' ||
2725: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 2726: if ($hidden || !$in_order_show) {
1.326 albertel 2727: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 2728: } else {
2729: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
2730: push (@Apache::inputtags::status,$status);
2731: my $expression='$external::datestatus="'.$status.'";';
2732: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
2733: &Apache::run::run($expression,$safeeval);
1.284 albertel 2734: if ($env{'request.state'} eq 'construct') {
1.241 albertel 2735: &set_problem_state($Apache::inputtags::part);
1.240 albertel 2736: }
1.216 albertel 2737: if (( $status eq 'CLOSED' ) ||
2738: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2739: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 2740: ( $status eq 'BANNED') ||
2741: ( $status eq 'UNAVAILABLE') ||
2742: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 2743: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
2744: $style);
1.159 albertel 2745: if ( $target eq "web" ) {
1.211 albertel 2746: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 2747: } elsif ( $target eq 'tex' ) {
1.284 albertel 2748: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 2749: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 2750: } else {
1.211 albertel 2751: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 2752: }
1.159 albertel 2753: }
2754: } else {
2755: if ($target eq 'tex') {
1.284 albertel 2756: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 2757: if ($$tagstack[-2] eq 'td') {
1.388 foxr 2758: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 2759: } else {
2760: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
2761: }
1.195 sakharuk 2762: }
1.159 albertel 2763: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 2764: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2765: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 2766: my $allow_print_points = 0;
2767: foreach my $partial_key (@allkeys) {
1.230 albertel 2768: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 2769: if ($1 ne '0') {$allow_print_points=1;}
2770: }
2771: }
1.275 albertel 2772: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2773: if (defined($maxtries) && $maxtries < 0) {
2774: $allow_print_points=0;
2775: }
1.302 albertel 2776: if (lc($env{'course.'.$env{'request.course.id'}.
2777: '.disableexampointprint'}) eq 'yes') {
2778: $allow_print_points=0;
2779: }
1.463 foxr 2780: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 2781: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2782:
2783: }
1.233 www 2784: } elsif ($target eq 'web') {
1.479 raeburn 2785: if ($status eq 'CAN_ANSWER') {
2786: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2787: my $probrandomize = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].type");
2788: my $probrandtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].randomizeontries");
2789: my $num = scalar(@Apache::inputtags::partlist)-1;
2790: if ($probrandomize eq 'randomizetry') {
2791: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") ne 'randomizetry') {
2792: $result .= &randomizetry_part_header($problemstatus,'none',$num);
2793: } else {
2794: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2795: if ($probrandtries ne $reqtries) {
2796: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2797: }
2798: }
2799: } elsif (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") eq 'randomizetry') {
2800: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2801: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2802: }
2803: }
1.475 raeburn 2804: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 2805: }
2806: }
2807: }
2808: } elsif ($target eq 'edit') {
2809: $result.=&Apache::edit::tag_start($target,$token);
2810: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
2811: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 2812: ' '.
2813: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 2814: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
2815: } elsif ($target eq 'modified') {
2816: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 2817: $safeeval,'id','display');
1.159 albertel 2818: if ($constructtag) {
1.225 albertel 2819: #limiting ids to only letters numbers, and space
1.224 www 2820: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 2821: $result = &Apache::edit::rebuild_tag($token);
2822: }
2823: }
2824: return $result;
1.11 albertel 2825: }
2826:
2827: sub end_part {
1.159 albertel 2828: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2829: &Apache::lonxml::debug("in end_part $target ");
2830: my $status=$Apache::inputtags::status['-1'];
2831: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 2832: my $in_order_show=&ordered_show_check();
1.321 albertel 2833: my $result;
2834: if (!$Apache::lonxml::metamode) {
2835: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 2836: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2837: }
1.312 albertel 2838: if ($target eq 'grade') {
1.249 albertel 2839: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 2840: !$hidden && $in_order_show) {
1.311 foxr 2841: $result.=&Apache::inputtags::grade;
1.249 albertel 2842: } else {
2843: # move any submission data to .hidden
2844: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2845: }
1.283 albertel 2846: } elsif (($target eq 'web' || $target eq 'tex') &&
2847: !$hidden && $in_order_show) {
1.159 albertel 2848: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
2849: $target);
1.490 raeburn 2850: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
2851: ($env{'form.grade_imsexport'})) {
1.212 albertel 2852: $gradestatus='';
2853: }
1.311 foxr 2854: $result.=$gradestatus;
1.265 sakharuk 2855: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 2856: } elsif ($target eq 'edit') {
1.311 foxr 2857: $result.=&Apache::edit::end_table();
1.322 albertel 2858: } elsif ($target eq 'modified') {
2859: $result .= $token->[2];
1.159 albertel 2860: }
2861: pop @Apache::inputtags::status;
2862: $Apache::inputtags::part='';
1.536 raeburn 2863: $Apache::inputtags::leniency='';
1.295 albertel 2864: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 2865: return $result;
1.11 albertel 2866: }
1.1 albertel 2867:
1.25 albertel 2868: sub start_preduedate {
1.326 albertel 2869: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 2870: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2871: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 2872: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 2873: if (!$Apache::lonhomework::scantronmode &&
2874: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 2875: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
2876: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 2877: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 2878: }
1.24 albertel 2879: }
1.159 albertel 2880: return '';
1.24 albertel 2881: }
2882:
1.25 albertel 2883: sub end_preduedate {
1.159 albertel 2884: return '';
1.24 albertel 2885: }
2886:
1.369 foxr 2887: # In all the modes where <postanswerdate> text is
2888: # displayable, all we do is eat up the text between the start/stop
2889: # tags if the conditions are not right to display it.
1.25 albertel 2890: sub start_postanswerdate {
1.326 albertel 2891: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 2892: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
2893: &Apache::lonnet::allowed('pav',
2894: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 2895: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 2896: $target eq 'tex' ) {
1.300 albertel 2897: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 2898: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
2899: (($target eq 'tex') && !$pav)) {
1.326 albertel 2900: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 2901: }
2902: }
2903: return '';
1.24 albertel 2904: }
2905:
1.25 albertel 2906: sub end_postanswerdate {
1.159 albertel 2907: return '';
1.24 albertel 2908: }
2909:
1.25 albertel 2910: sub start_notsolved {
1.326 albertel 2911: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2912: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 2913: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 2914: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
2915: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 2916: if ($gradestatus =~ /^correct/ &&
2917: &Apache::response::show_answer()) {
1.159 albertel 2918: &Apache::lonxml::debug("skipping");
1.326 albertel 2919: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 2920: }
1.24 albertel 2921: }
1.159 albertel 2922: return '';
1.24 albertel 2923: }
2924:
1.25 albertel 2925: sub end_notsolved {
1.159 albertel 2926: return '';
1.24 albertel 2927: }
2928:
2929: sub start_solved {
1.326 albertel 2930: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2931: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2932: $target eq 'tex') {
2933: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 2934: if ($gradestatus !~ /^correct/ ||
2935: !&Apache::response::show_answer()) {
1.326 albertel 2936: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 2937: }
1.24 albertel 2938: }
1.159 albertel 2939: return '';
1.24 albertel 2940: }
2941:
2942: sub end_solved {
1.248 albertel 2943: return '';
2944: }
2945:
2946: sub start_problemtype {
1.326 albertel 2947: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 2948: my $result;
1.339 albertel 2949: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2950: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 2951: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
2952: if (!defined($mode)) { $mode='show'; }
2953: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
2954: my $found=0;
2955: foreach my $type (split(',',$for)) {
2956: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
2957: }
2958: if ($mode eq 'show' && !$found) {
1.326 albertel 2959: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 2960: }
2961: if ($mode eq 'hide' && $found) {
1.326 albertel 2962: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 2963: }
2964: } elsif ($target eq 'edit') {
2965: $result .=&Apache::edit::tag_start($target,$token);
2966: $result.=&Apache::edit::select_arg('Mode:','mode',
2967: [['show','Show'],
2968: ['hide','Hide']]
2969: ,$token);
2970: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 2971: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 2972: ['survey','Survey'],
1.465 raeburn 2973: ['surveycred','Survey (with credit)'],
2974: ['anonsurvey','Anonymous Survey'],
2975: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 2976: ['problem','Homework Problem'],
1.479 raeburn 2977: ['practice','Practice Problem'],
2978: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 2979: ,$token);
2980: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2981: } elsif ($target eq 'modified') {
2982: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2983: $safeeval,'mode','for');
2984: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2985: }
2986: return $result;
2987: }
2988:
2989: sub end_problemtype {
1.159 albertel 2990: return '';
1.24 albertel 2991: }
1.34 albertel 2992:
2993: sub start_startouttext {
1.159 albertel 2994: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2995: my @result=(''.'');
2996: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 2997:
2998: my $nesting =
2999: &Apache::lonxml::set_state('outtext',
3000: &Apache::lonxml::get_state('outtext')+1);
3001: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3002: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3003: }
1.159 albertel 3004: return (@result);
1.34 albertel 3005: }
1.159 albertel 3006:
1.34 albertel 3007: sub end_startouttext {
1.326 albertel 3008: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3009: my $result='';
3010: my $text='';
3011: if ($target eq 'edit') {
1.424 foxr 3012: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3013: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3014: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3015: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3016: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3017: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3018: .'</span></td>'
1.550 raeburn 3019: .'<td><span id="math_'.$areaid.'">';
3020: if ($env{'environment.nocodemirror'}) {
3021: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3022: } else {
3023: $result.=' ';
3024: }
3025: $result.='</span></td>'
1.474 raeburn 3026: .'<td>'
3027: .&Apache::edit::insertlist($target,$token)
3028: .'</td>'
1.515 golterma 3029: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3030: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3031: &Apache::edit::end_row().
1.362 albertel 3032: &Apache::edit::start_spanning_row()."\n".
1.255 www 3033: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3034: }
3035: if ($target eq 'modified') {
1.219 albertel 3036: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3037: }
3038: if ($target eq 'tex') {
3039: $result .= '\noindent ';
3040: }
3041: return $result;
1.34 albertel 3042: }
1.159 albertel 3043:
1.34 albertel 3044: sub start_endouttext {
1.159 albertel 3045: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3046: my $result='';
3047: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3048: if ($target eq "modified") {
3049: $result='<endouttext />'.
1.377 albertel 3050: &Apache::edit::handle_insertafter('startouttext');
3051: }
1.404 albertel 3052:
3053: my $nesting =
3054: &Apache::lonxml::set_state('outtext',
3055: &Apache::lonxml::get_state('outtext')-1);
3056: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3057: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3058: &Apache::lonxml::set_state('outtext', 0);
3059: }
1.159 albertel 3060: return $result;
1.34 albertel 3061: }
1.159 albertel 3062:
1.34 albertel 3063: sub end_endouttext {
1.159 albertel 3064: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3065: my @result=('','');
3066: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3067: return (@result);
1.34 albertel 3068: }
1.159 albertel 3069:
1.45 albertel 3070: sub delete_startouttext {
1.326 albertel 3071: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3072: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3073: my $text=$$parser['-1']->get_text("/endouttext");
3074: my $ntoken=$$parser['-1']->get_token();
3075: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3076: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3077: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3078: # they did the last time round
3079: &Apache::lonxml::increasedepth($ntoken);
3080: &Apache::lonxml::decreasedepth($ntoken);
3081: return 1;
1.193 www 3082: }
3083:
3084: sub start_simpleeditbutton {
3085: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3086: my $result='';
1.284 albertel 3087: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3088: ($target eq 'web') &&
1.330 albertel 3089: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3090: my $url=$env{'request.noversionuri'};
1.193 www 3091: $url=~s/\?.*$//;
1.367 albertel 3092: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3093: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3094: # $result='<p class="LC_warning">'
3095: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3096: # .&Apache::loncommon::help_open_topic('Caching')
3097: # .'</p>';
1.486 www 3098: $result.=&Apache::loncommon::head_subbox(
3099: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3100: .&Apache::lonhtmlcommon::add_item_funclist(
3101: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3102: .&mt('Edit').'</a>')
1.486 www 3103: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3104:
1.193 www 3105: }
3106: return $result;
3107: }
3108:
3109: sub end_simpleeditbutton {
3110: return '';
1.45 albertel 3111: }
1.34 albertel 3112:
1.428 raeburn 3113: sub practice_problem_header {
3114: return '<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
3115: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3116: '</span>';
3117: }
3118:
1.479 raeburn 3119: sub randomizetry_problem_header {
3120: my ($problemstatus,$reqtries) = @_;
3121: my ($header,$text);
3122: if ($reqtries > 1) {
3123: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3124: if (($problemstatus eq 'no') ||
3125: ($problemstatus eq 'no_feedback_ever')) {
3126: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3127: } else {
3128: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3129: }
3130: } else {
3131: $header = &mt('New Problem Variation Each Try');
3132: if (($problemstatus eq 'no') ||
3133: ($problemstatus eq 'no_feedback_ever')) {
3134: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3135:
3136: } else {
3137: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3138: }
3139: }
3140: return '<span class="LC_info"><h3>'.$header.'</h3></span>'.
3141: '<span class="LC_info">'.$text.'</span><hr />';
3142: }
3143:
3144: sub randomizetry_part_header {
3145: my ($problemstatus,$reqtries,$num) = @_;
3146: my ($header,$text);
3147: if ($reqtries eq 'none') {
3148: $header = &mt('No Question Variation');
3149: $text = &mt('For this question there will no new variation after a try.');
3150: } elsif ($reqtries > 1) {
3151: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3152: if (($problemstatus eq 'no') ||
3153: ($problemstatus eq 'no_feedback_ever')) {
3154: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3155: } else {
3156: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3157: }
3158: } else {
3159: $header = &mt('New Question Variation For Each Try');
3160: if (($problemstatus eq 'no') ||
3161: ($problemstatus eq 'no_feedback_ever')) {
3162: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3163: } else {
3164: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3165: }
3166: }
3167: my $output;
3168: if ($num > 1) {
3169: $output .= '<hr />';
3170: }
3171: $output .= '<span class="LC_info"><h4>'.$header.'</h4></span>'.
3172: '<span class="LC_info">'.$text.'</span><br /><br />';
3173: return $output;
3174: }
3175:
1.1 albertel 3176: 1;
3177: __END__
1.435 jms 3178:
3179: =pod
3180:
3181: =back
3182:
3183: =cut
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