Annotation of loncom/homework/structuretags.pm, revision 1.551
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.551 ! damieng 4: # $Id: structuretags.pm,v 1.550 2016/09/14 02:42:43 raeburn Exp $
1.74 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.254 www 28: ###
1.54 www 29:
1.435 jms 30: =pod
31:
32: =head1 NAME
33:
34: Apache::structuretags
35:
36: =head1 SYNOPSIS
37:
38:
39: This is part of the LearningOnline Network with CAPA project
40: described at http://www.lon-capa.org.
41:
42:
43: =head1 NOTABLE SUBROUTINES
44:
45: =over
46:
47: =item
48:
49: =back
50:
51: =cut
52:
1.133 sakharuk 53:
1.1 albertel 54: package Apache::structuretags;
55:
56: use strict;
57: use Apache::lonnet;
1.101 sakharuk 58: use Apache::File();
1.147 www 59: use Apache::lonmenu;
1.210 albertel 60: use Apache::lonlocal;
1.231 sakharuk 61: use Apache::lonxml;
1.434 foxr 62: use Apache::londefdef;
1.338 albertel 63: use Apache::lonenc();
1.500 foxr 64: use Apache::loncommon();
1.267 albertel 65: use Time::HiRes qw( gettimeofday tv_interval );
1.356 www 66: use lib '/home/httpd/lib/perl/';
67: use LONCAPA;
68:
1.78 harris41 69: BEGIN {
1.469 www 70: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startpartmarker','startouttext','endpartmarker','endouttext','simpleeditbutton','definetag'));
1.10 albertel 71: }
72:
1.500 foxr 73:
74: #---------------------------------------------------------------------------------
75: #
76: # This section of code deals with hyphenation management.
77: # We must do three things:
78: # - keep track fo the desired languages to alter the header.
79: # - provide hyphenation selection as needed by each language that appears in the
80: # text.
81: # - Provide the header text needed to make available the desired hyphenations.
82: #
83: #
84:
85: # Hash whose keys are the languages encountered in the document/resource.
86: #
87:
88: my %languages_required;
89: ##
90: # Given a language selection as input returns a chunk of LaTeX that
91: # selects the required hyphenator.
92: #
93: # @param language - the language being selected.
94: # @return string
95: # @retval The LaTeX needed to select the hyphenation appropriate to the language.
96: #
97: sub select_hyphenation {
98: my $language = shift;
99:
100: $language = &Apache::loncommon::latexlanguage($language); # Translate -> latex language.
101:
102: # If there is no latex language there's not much we can do:
103:
104: if ($language) {
105: &require_language($language);
106: my $babel_hyphenation = "\\selectlanguage{$language}";
107:
108: return $babel_hyphenation;
109: } else {
110: return '';
111: }
112: }
113: ##
114: # Selects hyphenation based on the current problem metadata.
115: # This requires that
116: # - There is a language metadata item set for the problem.
117: # - The language has a latex/babel hyphenation.
118: #
119: # @note: Uses &Apache::lonxml::request to locate the Uri associated with
120: # this problem.
121: # @return string (possibly empty).
122: # @retval If not empty an appropriate \selectlanguage{} directive.
123: #
124: sub select_metadata_hyphenation {
125: my $uri = $Apache::lonxml::request->uri;
126: my $language = &Apache::lonnet::metadata($uri, 'language');
127: my $latex_language = &Apache::loncommon::latexhyphenation($language);
128: if ($latex_language) {
129: return '\selectlanguage{'.$latex_language."}\n";
130: }
131: return ''; # no latex hyphenation or no lang metadata.
132: }
133:
134:
135: ##
136: # Clears the set of languages required by the document being rendered.
137: #
138: sub clear_required_languages {
139: %languages_required = ();
140: }
141: ##
142: # Allows an external client of this module to register a need for a language:
143: #
144: # @param LaTeX language required:
145: #
146: sub require_language {
147: my $language = shift;
148: $languages_required{$language} = 1;
149: }
150:
151: ##
152: # Provides the header for babel that indicates the languages
153: # the document requires.
154: # @return string
155: # @retval \usepackage[lang1,lang2...]{babel}
156: # @retval '' if there are no languages_required.
157: sub languages_header {
158: my $header ='';
159: my @languages = (keys(%languages_required));
160:
161: # Only generate the header if there are languages:
162:
163: if (scalar @languages) {
164: my $language_list = join(',', (@languages));
165: $header = '\usepackage['.$language_list."]{babel}\n";
166: }
167: return $header;
168: }
169:
170: #----------------------------------------------------------------------------------
171:
1.10 albertel 172: sub start_web {
1.326 albertel 173: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.383 albertel 174: if ($target ne 'edit' && $target ne 'modified') {
175: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
176: if ($target eq 'web' || $target eq 'webgrade') {
177: return $bodytext;
178: }
179: } elsif ($target eq "edit" ) {
180: my $bodytext =
181: &Apache::lonxml::get_all_text_unbalanced("/web",$parser);
182: my $result = &Apache::edit::tag_start($target,$token);
183: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
184: return $result;
185: } elsif ( $target eq "modified" ) {
186: return $token->[4].&Apache::edit::modifiedfield("/web",$parser);
1.159 albertel 187: }
188: return '';
1.10 albertel 189: }
190:
191: sub end_web {
1.44 ng 192: return '';
1.10 albertel 193: }
194:
195: sub start_tex {
1.326 albertel 196: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.198 sakharuk 197: my $result='';
1.383 albertel 198: if ($target ne 'edit' && $target ne 'modified') {
199: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
200: if ($target eq 'tex') {
1.434 foxr 201:
202: # If inside a table, occurrences of \\ must be removed;
203: # else the table blows up.
204:
205: if (&Apache::londefdef::is_inside_of($tagstack, "table")) {
206: $bodytext =~ s/\\\\//g;
207: }
1.432 foxr 208: return $bodytext.'{}';
1.383 albertel 209: }
210: } elsif ($target eq "edit" ) {
211: my $bodytext =
212: &Apache::lonxml::get_all_text_unbalanced("/tex",$parser);
213: my $result = &Apache::edit::tag_start($target,$token);
214: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
215: return $result;
216: } elsif ( $target eq "modified" ) {
217: return $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
1.159 albertel 218: }
1.198 sakharuk 219: return $result;;
1.10 albertel 220: }
221:
222: sub end_tex {
1.44 ng 223: return '';
1.9 albertel 224: }
225:
1.400 albertel 226: sub homework_js {
1.531 raeburn 227: my ($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:
1.540 raeburn 1543: ($status,$accessmsg,$slot_name,$slot,$ipused) =
1.506 raeburn 1544: &Apache::lonhomework::check_slot_access('0','problem');
1545: push (@Apache::inputtags::status,$status);
1546: }
1547:
1.354 albertel 1548: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1549: || $target eq 'edit') {
1.528 raeburn 1550: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1551: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1552: $name);
1.528 raeburn 1553: } elsif (($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) {
1554: my ($symb)= &Apache::lonnet::whichuser();
1555: my $navmap = Apache::lonnavmaps::navmap->new();
1556: if (ref($navmap)) {
1557: my $res = $navmap->getBySymb($symb);
1558: if (ref($res)) {
1559: $probpartlist = $res->parts();
1560: }
1561: }
1.350 albertel 1562: }
1563:
1.284 albertel 1564: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1565:
1.479 raeburn 1566: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1567: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1568: $target eq 'tex') {
1.479 raeburn 1569:
1.159 albertel 1570: #handle rand seed in construction space
1.528 raeburn 1571: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1572: if (($target eq 'grade') && &Apache::response::submitted()) {
1573: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1574: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1575: } else {
1576: my @parts;
1577: if (ref($probpartlist) eq 'ARRAY') {
1578: @parts = @{$probpartlist};
1579: }
1580: unless (@parts) {
1.529 raeburn 1581: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1582: }
1583: }
1584: }
1.367 albertel 1585: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 1586:
1.333 albertel 1587: if ($env{'request.state'} ne "construct" &&
1588: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 1589: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.462 raeburn 1590: $rndseed.'" />'.
1.551 ! damieng 1591: '<button type="submit" name="resetdata"
! 1592: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1593: if (exists($env{'form.username'})) {
1594: $form_tag_start.=
1.164 albertel 1595: '<input type="hidden" name="username"
1.284 albertel 1596: value="'.$env{'form.username'}.'" />';
1.334 albertel 1597: }
1.462 raeburn 1598: if ($env{'request.role.adv'}) {
1599: $form_tag_start.= ' <label class="LC_nobreak">'
1600: .'<input type="checkbox" name="showallfoils"';
1601: if (defined($env{'form.showallfoils'})) {
1602: $form_tag_start.=' checked="checked"';
1603: }
1604: $form_tag_start.= ' /> '
1605: .&mt('Show All Foils')
1606: .'</label>';
1607: }
1.417 www 1608: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1609: $form_tag_start.=&practice_problem_header();
1.417 www 1610: }
1.462 raeburn 1611: $form_tag_start.='<hr />';
1.479 raeburn 1612: } elsif (($env{'request.state'} ne "construct") &&
1613: ($Apache::lonhomework::type eq 'randomizetry') &&
1.546 raeburn 1614: ($status eq 'CAN_ANSWER') &&
1.549 raeburn 1615: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
1616: (!$env{'request.role.adv'})) {
1617: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.479 raeburn 1618: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1619: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1620: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries);
1621: }
1.324 albertel 1622:
1.159 albertel 1623: my $expression='$external::datestatus="'.$status.'";';
1624: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
1625: &Apache::run::run($expression,$safeeval);
1626: &Apache::lonxml::debug("Got $status");
1.324 albertel 1627:
1.159 albertel 1628: if (( $status eq 'CLOSED' ) ||
1629: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1630: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 1631: ( $status eq 'BANNED') ||
1.216 albertel 1632: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 1633: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 1634: ( $status eq 'NOTRESERVABLE') ||
1635: ( $status eq 'RESERVABLE') ||
1636: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 1637: ( $status eq 'INVALID_ACCESS') ||
1638: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 1639: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1640: $style);
1.159 albertel 1641: if ( $target eq "web" ) {
1.343 albertel 1642: my $msg;
1.159 albertel 1643: if ($status eq 'UNAVAILABLE') {
1.504 golterma 1644: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1.441 raeburn 1645: } elsif ($status eq 'NOT_IN_A_SLOT') {
1.504 golterma 1646: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1.499 raeburn 1647: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1648: ($status eq 'NOTRESERVABLE')) {
1.504 golterma 1649: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1.253 albertel 1650: } elsif ($status ne 'NOT_YET_VIEWED') {
1.504 golterma 1651: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1.499 raeburn 1652: }
1.216 albertel 1653: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 1654: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 1655: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 1656: $msg.=&checkout_msg();
1.252 albertel 1657: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 1658: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 1659: } elsif ($status eq 'NOT_IN_A_SLOT') {
1.441 raeburn 1660: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1.499 raeburn 1661: } elsif ($status eq 'RESERVABLE') {
1662: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1663: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1664: '<br />'.
1665: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1666: } elsif ($status eq 'RESERVABLE_LATER') {
1667: $msg.=&mt('Window to make a reservation will open [_1].',
1668: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1669: } elsif ($status eq 'NOTRESERVABLE') {
1670: $msg.=&mt('Not available to make a reservation.');
1.540 raeburn 1671: } elsif ($status eq 'NEED_DIFFERENT_IP') {
1672: if ($ipused) {
1673: $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");
1674: } else {
1675: $msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
1676: &mt('Somebody else has already used this particular computer for that purpose.');
1677: }
1678: }
1.159 albertel 1679: $result.=$msg.'<br />';
1680: } elsif ($target eq 'tex') {
1.332 albertel 1681: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1682: : '\begin{minipage}{\textwidth}';
1.443 foxr 1683: $result.='\noindent \vskip 1 mm '.
1.332 albertel 1684: $startminipage.'\vskip 0 mm';
1.159 albertel 1685: if ($status eq 'UNAVAILABLE') {
1.211 albertel 1686: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 1687: } else {
1.211 albertel 1688: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 1689: }
1690: }
1.324 albertel 1691: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1692: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1693: $style);
1.324 albertel 1694: if ($target eq 'web') {
1.375 albertel 1695: $result .=
1696: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 1697: } elsif ($target eq 'grade') {
1.540 raeburn 1698: my $checkinresult = &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
1699: 'problem');
1700: if ($checkinresult = /^error:/) {
1701: $result .= 'error';
1702: }
1.324 albertel 1703: }
1.159 albertel 1704: } elsif ($target eq 'web') {
1.508 raeburn 1705: if ($status eq 'CAN_ANSWER') {
1706: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
1707: if ($slot_name ne '') {
1708: my $checked_in =
1709: $Apache::lonhomework::history{'resource.0.checkedin'};
1710: if ($checked_in eq '') {
1711: # unproctored slot access, self checkin
1.540 raeburn 1712: my $needsiptied;
1713: if (ref($slot)) {
1714: $needsiptied = $slot->{'iptied'};
1715: }
1716: my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1717: $slot_name,$needsiptied);
1718: if ($check =~ /^error: /) {
1719: &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $env{'request.symb'}) using slot: $slot_name");
1720: } else {
1721: $checked_in =
1722: $Apache::lonhomework::results{"resource.0.checkedin"};
1723: }
1.508 raeburn 1724: }
1725: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1726: if ($slot->{'starttime'} < time()) {
1727: if (!$resource_due) {
1728: $resource_due = $slot->{'endtime'};
1729: } elsif ($slot->{'endtime'} < $resource_due) {
1730: $resource_due = $slot->{'endtime'};
1731: }
1732: }
1733: }
1734: }
1735: if ($resource_due) {
1736: my $time_left = $resource_due - time();
1737: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
1738: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
1739: }
1740: }
1741: }
1.368 albertel 1742: $result.="\n $form_tag_start \t".
1.227 albertel 1743: '<input type="hidden" name="submitted" value="yes" />';
1744: # create a page header and exit
1.284 albertel 1745: if ($env{'request.state'} eq "construct") {
1.544 damieng 1746: if ($env{'form.inhibitmenu'} eq 'yes') {
1747: # error messages can be useful in any case
1748: $result.= &Apache::lonxml::message_location();
1749: } else {
1.542 raeburn 1750: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1751: }
1.428 raeburn 1752: if ($Apache::lonhomework::type eq 'practice') {
1.551 ! damieng 1753: $result.= '<button type="submit" name="resetdata" '.
! 1754: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
! 1755: &practice_problem_header().'<hr />';
1.428 raeburn 1756: }
1.227 albertel 1757: }
1758: # if we are viewing someone else preserve that info
1.284 albertel 1759: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1760: foreach my $field ('symb','courseid','domain','username') {
1761: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1762: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1763: }
1.479 raeburn 1764: foreach my $field ('trial','questiontype') {
1765: if ($env{"form.grade_$field"} ne '') {
1766: $result .= '<input type="hidden" name="grade_'.$field.
1767: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1768: }
1769: }
1.159 albertel 1770: }
1.490 raeburn 1771: if ($env{'form.grade_imsexport'}) {
1772: $result = '';
1773: }
1.159 albertel 1774: } elsif ($target eq 'tex') {
1.319 foxr 1775: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 1776: $result .= &select_metadata_hyphenation();
1777:
1.319 foxr 1778:
1.99 sakharuk 1779: }
1.159 albertel 1780: } elsif ($target eq 'edit') {
1.343 albertel 1781: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1782: $Apache::lonxml::warnings_error_header=
1783: &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 1784: my $temp=&Apache::edit::insertlist($target,$token);
1785: $result.=$temp;
1786: } elsif ($target eq 'modified') {
1787: $result=$token->[4];
1788: } else {
1789: # page_start returned a starting result, delete it if we don't need it
1790: $result = '';
1.99 sakharuk 1791: }
1.159 albertel 1792: return $result;
1.9 albertel 1793: }
1794:
1795: sub end_problem {
1.159 albertel 1796: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 1797: my $result;
1.310 foxr 1798:
1.321 albertel 1799: if (!$Apache::lonxml::metamode) {
1800: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 1801: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1802: }
1.319 foxr 1803:
1804: if ($target eq 'tex') {
1.321 albertel 1805: # Figure out the front matter and replace the
1806: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1807: # this in end_problem because whether or not we display due
1808: # dates depends on whether due dates have already been
1809: # displayed in the problem parts.
1810:
1.319 foxr 1811: my $frontmatter = '';
1812: my $startminipage = '';
1813: if (not $env{'form.problem_split'}=~/yes/) {
1814: $startminipage = '\begin{minipage}{\textwidth}';
1815: }
1816: my $id = $Apache::inputtags::part;
1817: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1818: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 1819: my @packages = split(/,/,$packages);
1.319 foxr 1820: my $allow_print_points = 0;
1821: foreach my $partial_key (@packages) {
1822: if ($partial_key=~m/^part_0$/) {
1823: $allow_print_points=1;
1824: }
1825: }
1826: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1827: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1828: if (lc($env{'course.'.$env{'request.course.id'}.
1829: '.disableexampointprint'}) eq 'yes') {
1830: $allow_print_points=0;
1831: }
1832: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 1833: 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 1834: &clear_required_languages();
1.319 foxr 1835: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1836: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1837:
1838: # Figure out what the due date is and if we need to print
1839: # it in the problem header. We have been logging the
1840: # last due date written to file.
1841:
1842: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1843: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 1844: my $duedate_text = &mt('Due date: [_1]'
1845: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 1846: my $temp_file;
1847: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1848:
1849: # Figure out what the last printed due date is or set it
1850: # to the epoch if no duedates have been printed.
1851:
1852: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1853: if (-e $filename) {
1854: $temp_file = Apache::File->new($filename);
1855: my @due_file = <$temp_file>;
1856: $due_file_content = $due_file[$#due_file];
1857: chomp $due_file_content;
1858: }
1859:
1860: # We display the due date iff it is not the same as the last
1861: # duedate in problem header ($due_file_content), and
1862: # none of our parts displayed a duedate.
1863: #
1864: my $parts_with_displayduedate;
1865: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1866: $parts_with_displayduedate =
1867: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1868: } else {
1869: $parts_with_displayduedate = 0;
1870: }
1871: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1872: $temp_file = Apache::File->new('>'.$filename);
1873: print $temp_file "$duetime\n";
1874: if (not $env{'request.symb'} =~ m/\.page_/) {
1875: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1876: $frontmatter .= $begin_doc.
1.448 bisitz 1877: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 1878: } else {
1879: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 1880: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 1881: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 1882: }
1.319 foxr 1883: }
1884: } else {
1.448 bisitz 1885: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 1886: }
1887: } else {
1888: if (not $env{'request.symb'} =~ m/\.page_/) {
1889: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 1890: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 1891: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 1892: }
1.319 foxr 1893: } else {
1.381 albertel 1894: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1895: }
1896: }
1897: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1898: }
1899:
1.159 albertel 1900: my $status=$Apache::inputtags::status['-1'];
1901: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1902: $target eq 'tex') {
1.249 albertel 1903: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1904: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1905: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1906: &Apache::inputtags::grade;
1.324 albertel 1907: } elsif ($status eq 'NEEDS_CHECKIN') {
1908: # no need to grade, and don't want to hide data
1.249 albertel 1909: } else {
1910: # move any submission data to .hidden
1911: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1912: }
1.159 albertel 1913: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1914: $Apache::inputtags::part eq '0' &&
1.490 raeburn 1915: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
1916: && !$env{'form.grade_imsexport'}) {
1.159 albertel 1917: # if part is zero, no <part>s existed, so we need show the current
1918: # grading status
1919: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1920: $result.= $gradestatus;
1921: }
1922: if (
1.284 albertel 1923: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1924: ($target eq 'answer') || ($target eq 'tex')
1925: ) {
1.490 raeburn 1926: if (($target ne 'tex') &&
1927: ($env{'form.answer_output_mode'} ne 'tex') &&
1928: (!$env{'form.grade_imsexport'})) {
1.254 www 1929: $result.="</form>";
1.159 albertel 1930: }
1931: if ($target eq 'web') {
1.507 raeburn 1932: #
1933: # Closing </body></html> not added by end_page().
1934: # Added separately at end of this routine, after added
1935: # <script></script> so document will be valid xhtml.
1936: #
1.546 raeburn 1937: my $showdisc = 1;
1.547 raeburn 1938: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
1939: (!$env{'request.role.adv'})) {
1940: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 1941: $showdisc = 0;
1.547 raeburn 1942: my ($symb)= &Apache::lonnet::whichuser();
1943: if ($symb) {
1944: my $navmap = Apache::lonnavmaps::navmap->new();
1945: if (ref($navmap)) {
1946: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
1947: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 1948: # and there are no tries left
1.547 raeburn 1949: unless ($hastries) {
1950: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
1951: my ($score,$incomplete) =
1952: &Apache::lonplacementtest::check_completion(undef,undef,1);
1953: if (!$incomplete) {
1954: $result .= &Apache::lonplacementtest::showresult(1,1);
1955: } elsif ($incomplete < 100) {
1956: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
1957: }
1958: } else {
1959: # For Placement Tests score is displayed if test has just been completed
1960: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
1961: if (!$incomplete) {
1962: $result.= &Apache::lonplacementtest::showresult(1,1);
1963: }
1964: }
1965: }
1966: }
1967: }
1.546 raeburn 1968: }
1969: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 1970: 'notbody' => 1});
1.159 albertel 1971: } elsif ($target eq 'tex') {
1.178 sakharuk 1972: my $endminipage = '';
1.284 albertel 1973: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1974: $endminipage = '\end{minipage}';
1975: }
1.284 albertel 1976: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1977: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1978: } else {
1.262 sakharuk 1979: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1980: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1981: $result .= $endminipage.'\end{document} ';
1982: } else {
1.382 albertel 1983: $result .= $endminipage;
1.262 sakharuk 1984: }
1.159 albertel 1985: }
1986: }
1987: }
1.476 www 1988: if ($target eq 'web') {
1989: $result.=&Apache::functionplotresponse::init_script();
1990: }
1.159 albertel 1991: if ($target eq 'grade') {
1992: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1993: &finalize_storage();
1994: }
1.284 albertel 1995: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
1996: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 1997: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 1998: # normally we get it from above, but in CSTR
1.172 albertel 1999: # we always show answer mode too.
1.159 albertel 2000: }
2001: } elsif ($target eq 'meta') {
2002: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2003: @Apache::inputtags::response=();
1.159 albertel 2004: $result=&Apache::response::mandatory_part_meta;
2005: }
1.215 albertel 2006: $result.=&Apache::response::meta_part_order();
1.258 albertel 2007: $result.=&Apache::response::meta_response_order();
1.159 albertel 2008: } elsif ($target eq 'edit') {
2009: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2010: $result .= &problem_edit_footer();
1.320 albertel 2011: } elsif ($target eq 'modified') {
2012: $result .= $token->[2];
1.159 albertel 2013: }
1.155 albertel 2014:
1.284 albertel 2015: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2016: &Apache::inputtags::check_for_duplicate_ids();
2017: }
1.204 albertel 2018:
2019: &reset_problem_globals('problem');
1.159 albertel 2020:
1.502 foxr 2021: #
2022: # This shouild be just above the return so that the
2023: # time put in the javascript is as late as possible in the
2024: # computation:
2025: #
2026: if ($target eq 'web') {
2027: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2028: #
2029: # Closing tags delayed so any <script></script> tags
2030: # not in head can appear inside body, for valid xhtml.
2031: #
2032: $result .= "</body>\n</html>";
1.502 foxr 2033: }
1.159 albertel 2034: return $result;
1.48 albertel 2035: }
2036:
1.108 albertel 2037:
1.48 albertel 2038: sub start_library {
1.159 albertel 2039: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2040: my ($result,$form_tag_start);
1.371 albertel 2041: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2042: &init_problem_globals('library');
2043: $Apache::lonhomework::type='problem';
2044: }
1.159 albertel 2045: if ($target eq 'edit') {
1.343 albertel 2046: ($result,$form_tag_start)=
2047: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2048: 'Edit');
2049: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2050: my $temp=&Apache::edit::insertlist($target,$token);
2051: $result.=$temp;
2052: } elsif ($target eq 'modified') {
2053: $result=$token->[4];
1.340 albertel 2054: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2055: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2056: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2057: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2058: ($result,$form_tag_start)=
2059: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2060: $name);
1.479 raeburn 2061: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2062: $result.=" \n $form_tag_start".
1.159 albertel 2063: '<input type="hidden" name="submitted" value="yes" />';
2064: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2065: if ($Apache::lonhomework::type eq 'practice') {
1.551 ! damieng 2066: $result.= '<button type="submit" name="resetdata" '.
! 2067: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
! 2068: &practice_problem_header().'<hr />';
1.428 raeburn 2069: }
1.159 albertel 2070: }
2071: return $result;
1.48 albertel 2072: }
2073:
2074: sub end_library {
1.159 albertel 2075: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2076: my $result='';
2077: if ($target eq 'edit') {
2078: $result=&problem_edit_footer();
1.371 albertel 2079: } elsif ($target eq 'web'
2080: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2081: && $env{'request.state'} eq "construct") {
1.349 albertel 2082: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 2083: }
1.371 albertel 2084: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2085: &reset_problem_globals('library');
2086: }
1.159 albertel 2087: return $result;
1.197 www 2088: }
2089:
2090: sub start_definetag {
1.326 albertel 2091: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2092:
2093: my $result;
2094:
2095: my $name = $token->[2]->{'name'};
1.326 albertel 2096: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2097: if ($target eq 'web') {
2098: if ($name=~/^\//) {
2099: $result=
2100: '<br /><table class="LC_sty_end"><tr><th>'.
2101: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2102: } else {
2103: $result=
2104: '<br /><table class="LC_sty_begin"><tr><th>'.
2105: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2106: }
2107: $skip = &HTML::Entities::encode($skip, '<>&"');
2108: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2109: }
2110: return $result;
2111: }
2112:
2113: sub end_definetag {
2114: return '';
1.1 albertel 2115: }
2116:
2117: sub start_block {
1.201 albertel 2118: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2119:
2120: my $result;
1.1 albertel 2121:
1.339 albertel 2122: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2123: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2124: my $code = $token->[2]->{'condition'};
1.385 albertel 2125: if (defined($code) && $code ne '') {
1.137 albertel 2126: if (!$Apache::lonxml::default_homework_loaded) {
2127: &Apache::lonxml::default_homework_load($safeeval);
2128: }
1.131 albertel 2129: $result = &Apache::run::run($code,$safeeval);
2130: &Apache::lonxml::debug("block :$code: returned :$result:");
2131: } else {
2132: $result='1';
2133: }
2134: if ( ! $result ) {
1.201 albertel 2135: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2136: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2137: }
2138: $result='';
2139: } elsif ($target eq 'edit') {
2140: $result .=&Apache::edit::tag_start($target,$token);
2141: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2142: $token,40);
2143: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2144: } elsif ($target eq 'modified') {
2145: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2146: $safeeval,'condition');
2147: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2148: }
1.131 albertel 2149: return $result;
1.1 albertel 2150: }
2151:
2152: sub end_block {
1.167 www 2153: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2154: my $result;
2155: if ($target eq "edit") {
2156: $result.= &Apache::edit::tag_end($target,$token,'');
2157: }
2158: return $result;
2159: }
1.500 foxr 2160: #
2161: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2162: # ...
2163: # </languageblock>
2164: #
2165: # This declares the intent to provide content that can be rendered in the
2166: # set of languages in the include specificatino but not in the exclude
2167: # specification. If a currently preferred language is in the include list
2168: # the content in the <languageblock>...</languageblock> is rendered
2169: # If the currently preferred language is in the exclude list,
2170: # the content in the <languageblock>..></languageblock is not rendered.
2171: #
2172: # Pathalogical case handling:
2173: # - Include specified, without the preferred language but exclude specified
2174: # also without the preferred langauge results in rendering the block.
2175: # - Exclude specified without include and excluden not containing a
2176: # preferred language renders the block.
2177: # - Include and exclude both specifying the preferred language does not
2178: # render the block.
2179: # - If neither include/exclude is specified, the block gets rendered.
2180: #
2181: # This tag has no effect when target is in {edit, modified}
2182: #
1.167 www 2183: sub start_languageblock {
1.201 albertel 2184: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2185:
1.500 foxr 2186: my $result = '';
1.167 www 2187:
1.339 albertel 2188: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2189: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2190: my $include = $token->[2]->{'include'};
2191: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2192: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2193:
2194: # This should not even happen, since we should at least have the server language
2195:
2196: if (!$preferred_languages[0]) {
2197: $preferred_languages[0]='en';
2198: }
2199:
2200: # Now loop over all languages in order of preference
2201:
2202: my $render;
1.398 www 2203: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2204:
2205: # If neither include/nor exlude is present the block is going
2206: # to get rendered.
2207:
1.399 www 2208: my $found=0;
1.500 foxr 2209: $render=1;
2210:
2211: # If include is specified, don't render the block
2212: # unless the preferred language is included in the set.
2213:
1.398 www 2214: if ($include) {
1.500 foxr 2215: $render=0;
1.398 www 2216: foreach my $included_language (split(/\,/,$include)) {
2217: if ($included_language eq $preferred_language) {
1.500 foxr 2218: $render=1;
1.399 www 2219: $found=1;
1.500 foxr 2220: last; # Only need to find the first.
1.398 www 2221: }
2222: }
2223: }
1.500 foxr 2224: # Do we have an exclude argument?
2225: # If so, and one of the languages matches a preferred language
2226: # inhibit rendering the block. Note that in the pathalogical case the
2227: # author has specified a preferred language in both the include and exclude
2228: # attribte exclude is preferred.
2229:
1.398 www 2230: if ($exclude) {
1.500 foxr 2231: $render=1;
1.398 www 2232: foreach my $excluded_language (split(/\,/,$exclude)) {
2233: if ($excluded_language eq $preferred_language) {
1.500 foxr 2234: $render=0;
1.399 www 2235: $found=1;
1.500 foxr 2236: last; # Only need to find the first.
1.398 www 2237: }
2238: }
2239: }
1.500 foxr 2240: if ($found) {
2241: last; # Done on any match of include or exclude.
2242: }
1.398 www 2243: }
1.500 foxr 2244: # If $render not true skip the entire block until </languageblock>
2245: #
2246:
2247: if ( ! $render ) {
1.201 albertel 2248: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2249: $style);
2250: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2251: }
1.500 foxr 2252: # If $render is true, we've not skipped the contents of the <languageglock>
2253: # and the normal loncapa processing flow will render it as a matter of course.
2254:
1.167 www 2255: } elsif ($target eq 'edit') {
2256: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2257: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2258: $token,40);
1.211 albertel 2259: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2260: $token,40);
2261: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2262: } elsif ($target eq 'modified') {
2263: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2264: $safeeval,'include',
2265: 'exclude');
1.167 www 2266: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2267: }
2268: return $result;
2269: }
2270:
2271: sub end_languageblock {
1.170 www 2272: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2273: my $result;
1.201 albertel 2274: if ($target eq "edit") {
1.170 www 2275: $result.= &Apache::edit::tag_end($target,$token,'');
2276: }
2277: return $result;
2278: }
1.500 foxr 2279: # languagblock specific tags:
2280: {
2281: # For chunks of a resource that has translations, this hash contains
2282: # the translations available indexed by language name.
2283: #
2284:
2285: my %available_texts;
1.170 www 2286:
1.500 foxr 2287: # <translated> starts a block of a resource that has multiple translations.
2288: # See the <lang> tag as well.
2289: # When </translated> is encountered if there is a translation for the
2290: # currently preferred language, that is rendered inthe web/tex/webgrade
2291: # targets. Otherwise, the default text is rendered.
2292: #
2293: # Note that <lang> is only registered for the duration of the
2294: # <translated>...</translated> block
2295: #
2296: # Pathalogical case handling:
2297: # - If there is no <lang> that specifies a 'default' and there is no
2298: # translation that matches a preferred language, nothing is rendered.
2299: # - Nested <translated>...</translated> might be linguistically supported by
2300: # XML due to the stack nature of tag registration(?) however the rendered
2301: # output will be incorrect because there is only one %available_texts
2302: # has and end_translated clears it.
2303: # - Material outside of a <lang>...</lang> block within the
2304: # <translated>...<translated> block won't render either e.g.:
2305: # <translated>
2306: # The following will be in your preferred langauge:
2307: # <lang which='en'>
2308: # This section in english
2309: # </lang>
2310: # <lang which='sgeiso'>
2311: # Hier es ist auf Deutsch.
2312: # </lang>
2313: # <lang which='sfriso'>
2314: # En Francais
2315: # </lang>
2316: # </translated>
2317: #
2318: # The introductory text prior to the first <lang> tag is not rendered.
2319: #
1.397 albertel 2320: sub start_translated {
2321: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2322: &Apache::lonxml::register('Apache::structuretags',('lang'));
2323: undef(%available_texts);
2324: }
2325:
2326: sub end_translated {
2327: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2328: my $result;
2329: #show the translation on viewable targets
2330: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2331: # or non-viewable targets, if it's embedded in something that
2332: # wants the output
2333: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2334: && &Apache::lonxml::in_redirection() ) ) {
2335: my @possibilities = keys(%available_texts);
2336: my $which =
2337: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2338: if ($target eq 'tex') {
2339: $result = &select_hyphenation($which);
2340: }
2341: $result .= $available_texts{$which};
2342: if ($target eq 'tex') {
2343: $result .= &select_metadata_hyphenation(); # Restore original language.
2344: }
1.397 albertel 2345: }
2346: undef(%available_texts);
2347: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2348: return $result;
2349: }
2350:
1.500 foxr 2351: # <lang [which='language-name'] [other='lang1,lang2...']>
2352: # Specifies that the block contained within it is a translation
2353: # for a specific language specified by the 'which' attribute. The
2354: # 'other' attribute can be used by itself or in conjunction with
2355: # which to specify this tag _may_ be used as a translation for some
2356: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2357: # specifying that the block provides a translation for US (primary)
2358: # Canadian, Australian and UK Englush.
2359: #
2360: # Comment: this seems a bit silly why not just support a list of languages
2361: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2362: #
2363: # Effect:
2364: # The material within the <lang>..</lang> block is stored in the
2365: # specified set of $available_texts hash entries, the appropriate one
2366: # is selected at </translated> time.
2367: #
2368: # Pathalogical case handling:
2369: # If a language occurs multiple times within a <translated> block,
2370: # only the last one is rendered e.g.:
2371: #
2372: # <translated>
2373: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2374: # Red green color blindness is quite common affecting about 7.8% of
2375: # the male population, but onloy about .65% of the female population.
2376: # </lang>
2377: # Red green colour blindness is quite common affecting about 7.8% of
2378: # the male population, but onloy about .65% of the female population.
2379: # <lang which='seniso', other='senisoCA,senisoAU'>
2380: # </translated>
2381: #
2382: # renders the correct spelling of color (colour) for people who have specified
2383: # a preferred language that is one of the British Commonwealth languages
2384: # even though those are also listed as valid selections for the US english
2385: # <lang> block.
2386: #
1.397 albertel 2387: sub start_lang {
2388: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2389: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2390: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2391: &Apache::lonxml::startredirection();
2392: }
2393: return '';
2394: }
2395:
2396: sub end_lang {
2397: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2398: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2399: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2400: my $result = &Apache::lonxml::endredirection();
2401: my $which = &Apache::lonxml::get_param('which',$parstack,
2402: $safeeval);
1.431 raeburn 2403: if ($which=~/\w/) {
2404: $available_texts{$which} = $result;
2405: }
2406: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2407: $safeeval);
2408: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2409: if ($language=~/\w/) {
2410: $available_texts{$language} = $result;
2411: }
1.427 bisitz 2412: }
2413:
1.397 albertel 2414: }
2415: return '';
2416: }
1.500 foxr 2417: } # end langauge block specific tags.
2418:
1.397 albertel 2419:
1.170 www 2420: sub start_instructorcomment {
1.201 albertel 2421: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2422:
2423: my $result;
2424:
1.339 albertel 2425: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2426: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2427: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2428: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2429: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2430: $parser,$style);
1.170 www 2431: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2432: }
2433: $result='';
2434: } elsif ($target eq 'edit') {
2435: $result .=&Apache::edit::tag_start($target,$token);
2436: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2437: }
2438: return $result;
2439: }
2440:
2441: sub end_instructorcomment {
1.159 albertel 2442: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2443: my $result;
2444: if ($target eq "edit") {
2445: $result.= &Apache::edit::tag_end($target,$token,'');
2446: }
2447: return $result;
1.4 tsai 2448: }
2449:
2450: sub start_while {
1.326 albertel 2451: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2452:
1.160 albertel 2453: my $result;
1.339 albertel 2454: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2455: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2456: my $code = $token->[2]->{'condition'};
1.4 tsai 2457:
1.160 albertel 2458: push( @Apache::structuretags::whileconds, $code);
2459: if (!$Apache::lonxml::default_homework_loaded) {
2460: &Apache::lonxml::default_homework_load($safeeval);
2461: }
2462: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2463: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2464: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2465: push( @Apache::structuretags::whileline, $token->[5]);
2466: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2467: if ( $result ) {
2468: &Apache::lonxml::newparser($parser,\$bodytext);
2469: }
2470: } elsif ($target eq 'edit') {
2471: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2472: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2473: $token,40);
2474: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2475: } elsif ($target eq 'modified') {
2476: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2477: $safeeval,'condition');
2478: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2479: }
1.160 albertel 2480: return $result;
1.4 tsai 2481: }
2482:
2483: sub end_while {
1.159 albertel 2484: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2485: my $result;
2486:
1.339 albertel 2487: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2488: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2489: my $code = pop(@Apache::structuretags::whileconds);
2490: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2491: my $line = pop(@Apache::structuretags::whileline);
2492: my $return = &Apache::run::run($code,$safeeval);
2493: my $starttime=time;
2494: my $error=0;
2495: while ($return) {
2496: if (time-$starttime >
2497: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2498: $return = 0; $error=1; next;
1.161 albertel 2499: }
2500: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2501: if ($target eq 'grade' || $target eq 'answer' ||
2502: $target eq 'analyze') {
2503: # grade/answer/analyze should produce no output but if we
2504: # are redirecting, the redirecter should know what to do
2505: # with the output
2506: if (!$Apache::lonxml::redirection) { undef($result); }
2507: }
1.161 albertel 2508: $return = &Apache::run::run($code,$safeeval);
2509: }
1.516 bisitz 2510: if ($error) {
2511: &Apache::lonxml::error(
2512: '<pre>'
2513: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2514: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2515: .&mt('This occurred while running <while> on line [_1].',
2516: $line)
2517: .'</pre>');
2518: }
1.160 albertel 2519: } elsif ($target eq "edit") {
2520: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2521: }
1.160 albertel 2522: return $result;
1.1 albertel 2523: }
1.6 tsai 2524:
1.160 albertel 2525: # <randomlist show="1">
1.6 tsai 2526: # <tag1>..</tag1>
2527: # <tag2>..</tag2>
2528: # <tag3>..</tag3>
1.160 albertel 2529: # ...
1.6 tsai 2530: # </randomlist>
2531: sub start_randomlist {
1.326 albertel 2532: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2533: my $result;
1.339 albertel 2534: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2535: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2536: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2537: my $b_parser= HTML::LCParser->new(\$body);
2538: $b_parser->xml_mode(1);
2539: $b_parser->marked_sections(1);
1.159 albertel 2540: my $b_tok;
2541: my @randomlist;
2542: my $list_item;
2543: while($b_tok = $b_parser->get_token() ) {
2544: if($b_tok->[0] eq 'S') { # start tag
2545: # get content of the tag until matching end tag
2546: # get all text upto the matching tag
2547: # and push the content into @randomlist
2548: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2549: $b_parser);
2550: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2551: push(@randomlist,$list_item);
2552: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2553: # $list_item</b>";
2554: }
2555: if($b_tok->[0] eq 'T') { # text
2556: # what to do with text in between tags?
2557: # print "<b>TEXT $b_tok->[1]</b><br />";
2558: }
2559: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2560: # print "<b>END-TAG $b_tok->[1]</b><br />";
2561: # }
2562: }
1.303 albertel 2563: if (@randomlist) {
2564: my @idx_arr = (0 .. $#randomlist);
2565: &Apache::structuretags::shuffle(\@idx_arr);
2566: my $bodytext = '';
2567: my $show=$#randomlist;
2568: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2569: $showarg--;
2570: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2571: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2572: my @currlist;
2573: my $part = $Apache::inputtags::part;
2574: if ($part ne '') {
2575: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2576: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2577: if (!(grep(/^\Q$part\E$/,@currlist))) {
2578: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2579: }
2580: } else {
2581: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2582: }
2583: }
2584: }
1.526 raeburn 2585: for my $i (0 .. $show) {
2586: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2587: }
2588: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2589: }
2590: } elsif ($target eq 'edit' ) {
2591: $result .=&Apache::edit::tag_start($target,$token);
2592: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2593: $token,5);
2594: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2595: } elsif ($target eq 'modified' ) {
2596: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2597: $safeeval,'show');
2598: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2599: }
2600: return $result;
1.7 tsai 2601: }
2602:
2603: sub shuffle {
2604: my $a=shift;
2605: my $i;
1.303 albertel 2606: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 2607: &Apache::response::pushrandomnumber();
1.159 albertel 2608: for($i=@$a;--$i;) {
2609: my $j=int(&Math::Random::random_uniform() * ($i+1));
2610: next if $i == $j;
2611: @$a[$i,$j] = @$a[$j,$i];
2612: }
1.251 albertel 2613: &Apache::response::poprandomnumber();
1.7 tsai 2614: }
1.6 tsai 2615: }
2616:
2617: sub end_randomlist {
1.159 albertel 2618: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2619: my $result;
2620: if ($target eq 'edit' ) {
2621: $result=&Apache::edit::tag_end($target,$token,
2622: 'End Randomly Parsed Block');
2623: }
2624: return $result;
1.6 tsai 2625: }
2626:
1.283 albertel 2627: sub ordered_show_check {
2628: my $last_part=$Apache::inputtags::partlist[-2];
2629: my $in_order=
2630: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2631: my $in_order_show=1;
2632: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2633: $in_order_show=&Apache::response::check_status($last_part);
2634: }
2635: return $in_order_show;
2636: }
2637:
1.469 www 2638:
2639: sub start_startpartmarker {
2640: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2641: my $result='';
2642: if ($target eq 'edit') {
2643: $result=&Apache::edit::tag_start($target,$token);
2644: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2645: $result.=&Apache::edit::end_table();
2646:
2647: }
2648: return $result;
2649: }
2650:
2651: sub end_startpartmarker {
2652: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2653: my @result;
2654: if ($target eq 'edit') { $result[1]='no'; }
2655: return @result;
2656: }
2657:
2658: sub start_endpartmarker {
2659: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2660: my $result='';
2661: if ($target eq 'edit') {
2662: $result=&Apache::edit::tag_start($target,$token);
2663: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
2664: $result.=&Apache::edit::end_table();
2665:
2666: }
2667: return $result;
2668: }
2669:
2670: sub end_endpartmarker {
2671: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2672: my @result;
2673: if ($target eq 'edit') { $result[1]='no'; }
2674: return @result;
2675: }
2676:
2677:
2678:
2679:
2680:
1.11 albertel 2681: sub start_part {
1.326 albertel 2682: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 2683: if (!$Apache::lonxml::metamode) {
2684: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
2685: # duedates.
2686: }
1.159 albertel 2687: my $result='';
1.386 albertel 2688: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 2689: $Apache::inputtags::part=$id;
1.177 albertel 2690: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 2691: $Apache::inputtags::leniency='';
1.177 albertel 2692: @Apache::inputtags::response=();
1.159 albertel 2693: @Apache::inputtags::previous=();
2694: @Apache::inputtags::previous_version=();
1.405 albertel 2695: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 2696: &Apache::response::reset_params();
2697:
1.159 albertel 2698: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 2699: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
2700: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 2701: if ($Apache::lonhomework::type eq 'randomizetry') {
2702: my $rndseed=&setup_rndseed($safeeval,$target);
2703: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2704: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 2705: }
2706: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2707: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 2708: }
1.283 albertel 2709: my $in_order_show=&ordered_show_check();
1.214 albertel 2710: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 2711: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 2712: &Apache::run::run($expression,$safeeval);
1.159 albertel 2713:
2714: if ($target eq 'meta') {
1.224 www 2715: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
2716: return &Apache::response::mandatory_part_meta.
2717: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 2718: } elsif ($target eq 'web' || $target eq 'grade' ||
2719: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 2720: if ($hidden || !$in_order_show) {
1.326 albertel 2721: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 2722: } else {
2723: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
2724: push (@Apache::inputtags::status,$status);
2725: my $expression='$external::datestatus="'.$status.'";';
2726: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
2727: &Apache::run::run($expression,$safeeval);
1.284 albertel 2728: if ($env{'request.state'} eq 'construct') {
1.241 albertel 2729: &set_problem_state($Apache::inputtags::part);
1.240 albertel 2730: }
1.216 albertel 2731: if (( $status eq 'CLOSED' ) ||
2732: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2733: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 2734: ( $status eq 'BANNED') ||
2735: ( $status eq 'UNAVAILABLE') ||
2736: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 2737: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
2738: $style);
1.159 albertel 2739: if ( $target eq "web" ) {
1.211 albertel 2740: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 2741: } elsif ( $target eq 'tex' ) {
1.284 albertel 2742: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 2743: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 2744: } else {
1.211 albertel 2745: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 2746: }
1.159 albertel 2747: }
2748: } else {
2749: if ($target eq 'tex') {
1.284 albertel 2750: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 2751: if ($$tagstack[-2] eq 'td') {
1.388 foxr 2752: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 2753: } else {
2754: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
2755: }
1.195 sakharuk 2756: }
1.159 albertel 2757: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 2758: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2759: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 2760: my $allow_print_points = 0;
2761: foreach my $partial_key (@allkeys) {
1.230 albertel 2762: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 2763: if ($1 ne '0') {$allow_print_points=1;}
2764: }
2765: }
1.275 albertel 2766: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2767: if (defined($maxtries) && $maxtries < 0) {
2768: $allow_print_points=0;
2769: }
1.302 albertel 2770: if (lc($env{'course.'.$env{'request.course.id'}.
2771: '.disableexampointprint'}) eq 'yes') {
2772: $allow_print_points=0;
2773: }
1.463 foxr 2774: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 2775: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2776:
2777: }
1.233 www 2778: } elsif ($target eq 'web') {
1.479 raeburn 2779: if ($status eq 'CAN_ANSWER') {
2780: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2781: my $probrandomize = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].type");
2782: my $probrandtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].randomizeontries");
2783: my $num = scalar(@Apache::inputtags::partlist)-1;
2784: if ($probrandomize eq 'randomizetry') {
2785: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") ne 'randomizetry') {
2786: $result .= &randomizetry_part_header($problemstatus,'none',$num);
2787: } else {
2788: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2789: if ($probrandtries ne $reqtries) {
2790: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2791: }
2792: }
2793: } elsif (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") eq 'randomizetry') {
2794: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2795: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2796: }
2797: }
1.475 raeburn 2798: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 2799: }
2800: }
2801: }
2802: } elsif ($target eq 'edit') {
2803: $result.=&Apache::edit::tag_start($target,$token);
2804: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
2805: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 2806: ' '.
2807: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 2808: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
2809: } elsif ($target eq 'modified') {
2810: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 2811: $safeeval,'id','display');
1.159 albertel 2812: if ($constructtag) {
1.225 albertel 2813: #limiting ids to only letters numbers, and space
1.224 www 2814: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 2815: $result = &Apache::edit::rebuild_tag($token);
2816: }
2817: }
2818: return $result;
1.11 albertel 2819: }
2820:
2821: sub end_part {
1.159 albertel 2822: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2823: &Apache::lonxml::debug("in end_part $target ");
2824: my $status=$Apache::inputtags::status['-1'];
2825: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 2826: my $in_order_show=&ordered_show_check();
1.321 albertel 2827: my $result;
2828: if (!$Apache::lonxml::metamode) {
2829: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 2830: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2831: }
1.312 albertel 2832: if ($target eq 'grade') {
1.249 albertel 2833: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 2834: !$hidden && $in_order_show) {
1.311 foxr 2835: $result.=&Apache::inputtags::grade;
1.249 albertel 2836: } else {
2837: # move any submission data to .hidden
2838: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2839: }
1.283 albertel 2840: } elsif (($target eq 'web' || $target eq 'tex') &&
2841: !$hidden && $in_order_show) {
1.159 albertel 2842: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
2843: $target);
1.490 raeburn 2844: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
2845: ($env{'form.grade_imsexport'})) {
1.212 albertel 2846: $gradestatus='';
2847: }
1.311 foxr 2848: $result.=$gradestatus;
1.265 sakharuk 2849: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 2850: } elsif ($target eq 'edit') {
1.311 foxr 2851: $result.=&Apache::edit::end_table();
1.322 albertel 2852: } elsif ($target eq 'modified') {
2853: $result .= $token->[2];
1.159 albertel 2854: }
2855: pop @Apache::inputtags::status;
2856: $Apache::inputtags::part='';
1.536 raeburn 2857: $Apache::inputtags::leniency='';
1.295 albertel 2858: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 2859: return $result;
1.11 albertel 2860: }
1.1 albertel 2861:
1.25 albertel 2862: sub start_preduedate {
1.326 albertel 2863: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 2864: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2865: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 2866: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 2867: if (!$Apache::lonhomework::scantronmode &&
2868: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 2869: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
2870: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 2871: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 2872: }
1.24 albertel 2873: }
1.159 albertel 2874: return '';
1.24 albertel 2875: }
2876:
1.25 albertel 2877: sub end_preduedate {
1.159 albertel 2878: return '';
1.24 albertel 2879: }
2880:
1.369 foxr 2881: # In all the modes where <postanswerdate> text is
2882: # displayable, all we do is eat up the text between the start/stop
2883: # tags if the conditions are not right to display it.
1.25 albertel 2884: sub start_postanswerdate {
1.326 albertel 2885: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 2886: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
2887: &Apache::lonnet::allowed('pav',
2888: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 2889: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 2890: $target eq 'tex' ) {
1.300 albertel 2891: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 2892: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
2893: (($target eq 'tex') && !$pav)) {
1.326 albertel 2894: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 2895: }
2896: }
2897: return '';
1.24 albertel 2898: }
2899:
1.25 albertel 2900: sub end_postanswerdate {
1.159 albertel 2901: return '';
1.24 albertel 2902: }
2903:
1.25 albertel 2904: sub start_notsolved {
1.326 albertel 2905: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2906: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 2907: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 2908: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
2909: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 2910: if ($gradestatus =~ /^correct/ &&
2911: &Apache::response::show_answer()) {
1.159 albertel 2912: &Apache::lonxml::debug("skipping");
1.326 albertel 2913: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 2914: }
1.24 albertel 2915: }
1.159 albertel 2916: return '';
1.24 albertel 2917: }
2918:
1.25 albertel 2919: sub end_notsolved {
1.159 albertel 2920: return '';
1.24 albertel 2921: }
2922:
2923: sub start_solved {
1.326 albertel 2924: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2925: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2926: $target eq 'tex') {
2927: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 2928: if ($gradestatus !~ /^correct/ ||
2929: !&Apache::response::show_answer()) {
1.326 albertel 2930: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 2931: }
1.24 albertel 2932: }
1.159 albertel 2933: return '';
1.24 albertel 2934: }
2935:
2936: sub end_solved {
1.248 albertel 2937: return '';
2938: }
2939:
2940: sub start_problemtype {
1.326 albertel 2941: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 2942: my $result;
1.339 albertel 2943: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2944: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 2945: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
2946: if (!defined($mode)) { $mode='show'; }
2947: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
2948: my $found=0;
2949: foreach my $type (split(',',$for)) {
2950: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
2951: }
2952: if ($mode eq 'show' && !$found) {
1.326 albertel 2953: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 2954: }
2955: if ($mode eq 'hide' && $found) {
1.326 albertel 2956: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 2957: }
2958: } elsif ($target eq 'edit') {
2959: $result .=&Apache::edit::tag_start($target,$token);
2960: $result.=&Apache::edit::select_arg('Mode:','mode',
2961: [['show','Show'],
2962: ['hide','Hide']]
2963: ,$token);
2964: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 2965: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 2966: ['survey','Survey'],
1.465 raeburn 2967: ['surveycred','Survey (with credit)'],
2968: ['anonsurvey','Anonymous Survey'],
2969: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 2970: ['problem','Homework Problem'],
1.479 raeburn 2971: ['practice','Practice Problem'],
2972: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 2973: ,$token);
2974: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2975: } elsif ($target eq 'modified') {
2976: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2977: $safeeval,'mode','for');
2978: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2979: }
2980: return $result;
2981: }
2982:
2983: sub end_problemtype {
1.159 albertel 2984: return '';
1.24 albertel 2985: }
1.34 albertel 2986:
2987: sub start_startouttext {
1.159 albertel 2988: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2989: my @result=(''.'');
2990: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 2991:
2992: my $nesting =
2993: &Apache::lonxml::set_state('outtext',
2994: &Apache::lonxml::get_state('outtext')+1);
2995: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
2996: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
2997: }
1.159 albertel 2998: return (@result);
1.34 albertel 2999: }
1.159 albertel 3000:
1.34 albertel 3001: sub end_startouttext {
1.326 albertel 3002: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3003: my $result='';
3004: my $text='';
3005: if ($target eq 'edit') {
1.424 foxr 3006: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3007: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3008: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3009: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3010: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3011: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3012: .'</span></td>'
1.550 raeburn 3013: .'<td><span id="math_'.$areaid.'">';
3014: if ($env{'environment.nocodemirror'}) {
3015: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3016: } else {
3017: $result.=' ';
3018: }
3019: $result.='</span></td>'
1.474 raeburn 3020: .'<td>'
3021: .&Apache::edit::insertlist($target,$token)
3022: .'</td>'
1.515 golterma 3023: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3024: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3025: &Apache::edit::end_row().
1.362 albertel 3026: &Apache::edit::start_spanning_row()."\n".
1.255 www 3027: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3028: }
3029: if ($target eq 'modified') {
1.219 albertel 3030: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3031: }
3032: if ($target eq 'tex') {
3033: $result .= '\noindent ';
3034: }
3035: return $result;
1.34 albertel 3036: }
1.159 albertel 3037:
1.34 albertel 3038: sub start_endouttext {
1.159 albertel 3039: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3040: my $result='';
3041: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3042: if ($target eq "modified") {
3043: $result='<endouttext />'.
1.377 albertel 3044: &Apache::edit::handle_insertafter('startouttext');
3045: }
1.404 albertel 3046:
3047: my $nesting =
3048: &Apache::lonxml::set_state('outtext',
3049: &Apache::lonxml::get_state('outtext')-1);
3050: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3051: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3052: &Apache::lonxml::set_state('outtext', 0);
3053: }
1.159 albertel 3054: return $result;
1.34 albertel 3055: }
1.159 albertel 3056:
1.34 albertel 3057: sub end_endouttext {
1.159 albertel 3058: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3059: my @result=('','');
3060: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3061: return (@result);
1.34 albertel 3062: }
1.159 albertel 3063:
1.45 albertel 3064: sub delete_startouttext {
1.326 albertel 3065: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3066: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3067: my $text=$$parser['-1']->get_text("/endouttext");
3068: my $ntoken=$$parser['-1']->get_token();
3069: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3070: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3071: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3072: # they did the last time round
3073: &Apache::lonxml::increasedepth($ntoken);
3074: &Apache::lonxml::decreasedepth($ntoken);
3075: return 1;
1.193 www 3076: }
3077:
3078: sub start_simpleeditbutton {
3079: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3080: my $result='';
1.284 albertel 3081: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3082: ($target eq 'web') &&
1.330 albertel 3083: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3084: my $url=$env{'request.noversionuri'};
1.193 www 3085: $url=~s/\?.*$//;
1.367 albertel 3086: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3087: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3088: # $result='<p class="LC_warning">'
3089: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3090: # .&Apache::loncommon::help_open_topic('Caching')
3091: # .'</p>';
1.486 www 3092: $result.=&Apache::loncommon::head_subbox(
3093: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3094: .&Apache::lonhtmlcommon::add_item_funclist(
3095: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3096: .&mt('Edit').'</a>')
1.486 www 3097: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3098:
1.193 www 3099: }
3100: return $result;
3101: }
3102:
3103: sub end_simpleeditbutton {
3104: return '';
1.45 albertel 3105: }
1.34 albertel 3106:
1.428 raeburn 3107: sub practice_problem_header {
3108: return '<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
3109: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3110: '</span>';
3111: }
3112:
1.479 raeburn 3113: sub randomizetry_problem_header {
3114: my ($problemstatus,$reqtries) = @_;
3115: my ($header,$text);
3116: if ($reqtries > 1) {
3117: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3118: if (($problemstatus eq 'no') ||
3119: ($problemstatus eq 'no_feedback_ever')) {
3120: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3121: } else {
3122: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3123: }
3124: } else {
3125: $header = &mt('New Problem Variation Each Try');
3126: if (($problemstatus eq 'no') ||
3127: ($problemstatus eq 'no_feedback_ever')) {
3128: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3129:
3130: } else {
3131: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3132: }
3133: }
3134: return '<span class="LC_info"><h3>'.$header.'</h3></span>'.
3135: '<span class="LC_info">'.$text.'</span><hr />';
3136: }
3137:
3138: sub randomizetry_part_header {
3139: my ($problemstatus,$reqtries,$num) = @_;
3140: my ($header,$text);
3141: if ($reqtries eq 'none') {
3142: $header = &mt('No Question Variation');
3143: $text = &mt('For this question there will no new variation after a try.');
3144: } elsif ($reqtries > 1) {
3145: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3146: if (($problemstatus eq 'no') ||
3147: ($problemstatus eq 'no_feedback_ever')) {
3148: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3149: } else {
3150: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3151: }
3152: } else {
3153: $header = &mt('New Question Variation For Each Try');
3154: if (($problemstatus eq 'no') ||
3155: ($problemstatus eq 'no_feedback_ever')) {
3156: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3157: } else {
3158: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3159: }
3160: }
3161: my $output;
3162: if ($num > 1) {
3163: $output .= '<hr />';
3164: }
3165: $output .= '<span class="LC_info"><h4>'.$header.'</h4></span>'.
3166: '<span class="LC_info">'.$text.'</span><br /><br />';
3167: return $output;
3168: }
3169:
1.1 albertel 3170: 1;
3171: __END__
1.435 jms 3172:
3173: =pod
3174:
3175: =back
3176:
3177: =cut
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to structuretags.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework