Annotation of loncom/homework/structuretags.pm, revision 1.550
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.550 ! raeburn 4: # $Id: structuretags.pm,v 1.549 2016/04/04 17:34:01 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'}=$rndseed;
1.479 raeburn 678: }
1.374 albertel 679: if ( ($env{'form.resetdata'} eq &mt('New Problem Variation')
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').'" />
956: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
957: </div>
1.453 bisitz 958: <hr />
1.406 albertel 959: <div class="LC_edit_problem_header_randomize_row">
960: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
961: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 962: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 963: $rndseed.'"
964: onchange="javascript:document.lonhomework.changerandseed.click()" />';
965:
966: if (!$Apache::lonhomework::parsing_a_task) {
967: my $numtoanalyze=$env{'form.numtoanalyze'};
968: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 969: $result .= '<span class="LC_nobreak">'.
970: &mt('[_1] for [_2] versions.',
1.416 raeburn 971: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 972: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
973: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 974: $numtoanalyze.'" size="5" />').
975: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
976: '</span>';
977:
1.313 albertel 978: }
1.406 albertel 979:
980: $result.='
981: </div>
1.453 bisitz 982: <hr />
1.447 bisitz 983: <div>';
1.416 raeburn 984: $result.='<input type="hidden" name="problemmode" value="view" />';
985: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
986: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
987: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
988: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.541 damieng 989: if ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9) {
990: my $uri = $env{'request.uri'};
1.543 damieng 991: my $daxeurl = '/daxepage'.$uri;
1.541 damieng 992: $result .= '<input type="button" value="'.&mt('Edit with Daxe').'" '.
993: 'onclick="window.open(\''.$daxeurl.'\',\'_blank\');" />';
994: }
1.408 albertel 995: $result.='
996: </div>
1.453 bisitz 997: <hr />
1.409 albertel 998: '.&Apache::lonxml::message_location().'
1.406 albertel 999: </div>';
1.159 albertel 1000: return $result;
1.48 albertel 1001: }
1002:
1.65 albertel 1003: sub initialize_storage {
1.357 albertel 1004: my ($given_symb) = @_;
1.353 albertel 1005: undef(%Apache::lonhomework::results);
1006: undef(%Apache::lonhomework::history);
1.357 albertel 1007: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1008: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 1009:
1010: # anonymous users (CODEd exams) have no data
1011: if ($name eq 'anonymous'
1012: && !defined($domain)) {
1013: return;
1014: }
1015:
1.333 albertel 1016: if ($env{'request.state'} eq 'construct'
1017: || $symb eq ''
1018: || $Apache::lonhomework::type eq 'practice') {
1019:
1020: my $namespace = $symb || $env{'request.uri'};
1021: if ($env{'form.resetdata'} eq &mt('Reset Submissions') ||
1.374 albertel 1022: ($env{'form.resetdata'} eq &mt('New Problem Variation')
1023: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 1024: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1025: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
1026: &Apache::lonxml::debug("Attempt reset");
1027: }
1.159 albertel 1028: %Apache::lonhomework::history=
1.333 albertel 1029: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.526 raeburn 1030: my ($temp)=keys(%Apache::lonhomework::history) ;
1.159 albertel 1031: &Apache::lonxml::debug("Return message of $temp");
1032: } else {
1033: %Apache::lonhomework::history=
1034: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1035: }
1.353 albertel 1036:
1.159 albertel 1037: #ignore error conditions
1.526 raeburn 1038: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1039: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 1040: }
1041:
1.435 jms 1042: =pod
1043:
1044: =item finalize_storage()
1045:
1.524 raeburn 1046: Stores away the result hash to a student's environment;
1.523 raeburn 1047: checks form.grade_ for specific values, otherwise stores
1048: to the running user's environment.
1.524 raeburn 1049:
1050: &check_correctness_changes() is called in two circumstances
1051: in which the results hash is to be stored permanently, for
1052: grading triggered by a student's submission, where feedback on
1053: correctness is to be provided to the student.
1054:
1055: 1. Immediately prior to storing the results hash
1056:
1057: To handle the case where a student's submission (and award) were
1058: stored after history was retrieved in &initialize_storage(), e.g.,
1059: if a student submitted answers in quick succession (e.g., from
1060: multiple tabs). &Apache::inputtags::hidealldata() is called for
1061: any parts with out-of-order storage (i.e., correct then incorrect,
1062: where awarded >= 1 when correct).
1063:
1064: 2. Immediately after storing the results hash
1065:
1066: To handle the case where lond on the student's homeserver returns
1067: delay:N -- where N is the number of transactions between the last
1068: retrieved in &initialize_storage() and the last stored immediately
1069: before permanent storage of the current transaction via
1070: lond::store_handler(). &Apache::grades::makehidden() is called
1071: for any parts with out-of-order storage (i.e., correct then incorrect,
1072: where awarded >= 1 when correct).
1073:
1074: Will call &store_aggregates() to increment totals for attempts,
1075: students, and corrects, if running user has student role.
1076:
1.435 jms 1077: =cut
1078:
1079:
1.65 albertel 1080: sub finalize_storage {
1.357 albertel 1081: my ($given_symb) = @_;
1.159 albertel 1082: my $result;
1.289 albertel 1083: if (%Apache::lonhomework::results) {
1.323 albertel 1084: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
1085: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 1086: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1087: &Apache::lonnet::whichuser($given_symb);
1.333 albertel 1088: if ($env{'request.state'} eq 'construct'
1089: || $symb eq ''
1090: || $Apache::lonhomework::type eq 'practice') {
1091: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 1092: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 1093: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 1094: $namespace,'',$domain,$name);
1.159 albertel 1095: &Apache::lonxml::debug('Construct Store return message:'.$result);
1096: } else {
1.524 raeburn 1097: my ($laststore,$checkedparts,@parts,%postcorrect);
1098: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1099: (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
1100: (!defined($env{'form.grade_courseid'}))) {
1101: if ($Apache::lonhomework::history{'version'}) {
1102: $laststore = $Apache::lonhomework::history{'version'}.'='.
1103: $Apache::lonhomework::history{'timestamp'};
1104: } else {
1105: $laststore = '0=0';
1106: }
1107: my %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1108: if ($record{'version'}) {
1109: my ($newversion,$oldversion,$oldtimestamp);
1110: if ($Apache::lonhomework::history{'version'}) {
1111: $oldversion = $Apache::lonhomework::history{'version'};
1112: $oldtimestamp = $Apache::lonhomework::history{'timestamp'};
1113: } else {
1114: $oldversion = 0;
1115: $oldtimestamp = 0;
1116: }
1117: if ($record{'version'} > $oldversion) {
1118: if ($record{'timestamp'} >= $oldtimestamp) {
1119: $laststore = $record{'version'}.'='.$record{'timestamp'};
1120: $newversion = $record{'version'} + 1;
1121: $checkedparts = 1;
1122: foreach my $key (keys(%Apache::lonhomework::results)) {
1123: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1124: my $part = $1;
1125: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1126: push(@parts,$part);
1127: }
1128: }
1129: }
1130: if (@parts) {
1131: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1132: \%record,\@parts,$newversion,
1133: $oldversion);
1134: if (@parts_to_hide) {
1135: foreach my $part (@parts_to_hide) {
1136: $postcorrect{$part} = 1;
1137: &Apache::inputtags::hidealldata($part);
1138: }
1139: }
1140: }
1141: }
1142: }
1143: }
1144: }
1.159 albertel 1145: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
1.524 raeburn 1146: $symb,$courseid,$domain,$name,$laststore);
1147: if ($result =~ /^delay\:(\d+)$/) {
1148: my $numtrans = $1;
1149: my ($oldversion) = split(/=/,$laststore);
1150: if ($numtrans) {
1151: my $newversion = $oldversion + 1 + $numtrans;
1152: my @possparts;
1153: if ($checkedparts) {
1154: foreach my $part (@parts) {
1155: unless ($postcorrect{$part}) {
1156: push(@possparts,$part);
1157: }
1158: }
1159: } else {
1160: foreach my $key (keys(%Apache::lonhomework::results)) {
1161: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1162: my $part = $1;
1163: unless ($postcorrect{$part}) {
1164: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1165: push(@possparts,$part);
1166: }
1167: }
1168: }
1169: }
1170: }
1171: if (@possparts) {
1172: my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1173: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1174: \%newrecord,\@possparts,$newversion,
1175: $oldversion);
1176: if (@parts_to_hide) {
1177: my $partslist = join(',',@parts_to_hide);
1178: &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1);
1179: }
1180: }
1181: }
1182: }
1.159 albertel 1183: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1184: &store_aggregates($symb,$courseid);
1.159 albertel 1185: }
1.323 albertel 1186: } else {
1187: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1188: }
1.159 albertel 1189: return $result;
1.65 albertel 1190: }
1191:
1.435 jms 1192: =pod
1193:
1.524 raeburn 1194: =item check_correctness_changes()
1195:
1196: For all parts for which current results contain a solved status
1197: of "incorrect_attempted", check if there was a transaction in which
1198: solved was set to "correct_by_student" in the time since the last
1199: transaction (retrieved when &initialize_storage() was called i.e.,
1200: when &start_problem() was called), unless:
1201: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1202: (b) problemstatus is set to no or no_feedback_ever
1203: If such a transaction exists, and did not occur after "reset status"
1204: by a user with grading privileges, then the current transaction is an
1205: example of an out-of-order transaction (i.e., incorrect occurring after
1206: correct). Accordingly, the current transaction should be hidden.
1207:
1208: =cut
1209:
1210:
1211: sub check_correctness_changes {
1212: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1213: my @parts_to_hide;
1214: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1215: return @parts_to_hide;
1216: }
1217: if (@{$parts}) {
1218: my $usec;
1219: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1220: ($env{'request.course.id'} eq $courseid)) {
1221: $usec = $env{'request.course.sec'};
1222: } else {
1223: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1224: }
1225: foreach my $id (@{$parts}) {
1226: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1227: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1228: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1229: my $reset;
1230: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1231: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1232: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1233: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1234: $reset = 1;
1235: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1236: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1237: unless ($reset) {
1238: push(@parts_to_hide,$id);
1239: last;
1240: }
1241: }
1242: }
1243: }
1244: }
1245: return @parts_to_hide;
1246: }
1247:
1248: =pod
1249:
1.435 jms 1250: item store_aggregates()
1251:
1252: Sends hash of values to be incremented in nohist_resourcetracker.db
1253: for the course. Increments total number of attempts, unique students
1254: and corrects for each part for an instance of a problem, as appropriate.
1255:
1256: =cut
1257:
1.285 raeburn 1258: sub store_aggregates {
1259: my ($symb,$courseid) = @_;
1.479 raeburn 1260: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1261: my @parts;
1.288 albertel 1262: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1263: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1264: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1265: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1266: push(@parts, $1);
1.285 raeburn 1267: }
1268: }
1.286 albertel 1269: foreach my $part (@parts) {
1.470 raeburn 1270: if ($env{'request.role'} =~/^st/) {
1271: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1272: eq 'APPROX_ANS' ||
1273: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1274: eq 'EXACT_ANS') {
1275: $aggregate{$symb."\0".$part."\0correct"} = 1;
1276: }
1277: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1278: $aggregate{$symb."\0".$part."\0users"} = 1;
1279: } else {
1280: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1281: if ($last_reset) {
1282: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1283: $aggregate{$symb."\0".$part."\0users"} = 1;
1284: }
1285: }
1286: }
1287: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1288: }
1.470 raeburn 1289: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1290: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1291: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1292: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1293: $randtrycounter{$symb."\0".$part} = 1;
1294: } else {
1295: $anoncounter{$symb."\0".$part} = 1;
1296: }
1.545 raeburn 1297: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.'::'};
1.537 raeburn 1298: if ($needsrelease) {
1.470 raeburn 1299: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1300: if ($curr_required eq '') {
1.471 raeburn 1301: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1302: } else {
1303: my ($currmajor,$currminor) = split(/\./,$curr_required);
1304: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1305: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1306: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1307: }
1.292 raeburn 1308: }
1309: }
1.285 raeburn 1310: }
1311: }
1.526 raeburn 1312: if (keys(%aggregate) > 0) {
1.289 albertel 1313: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1314: $cdomain,$cname);
1315: }
1.472 raeburn 1316: if (keys(%anoncounter) > 0) {
1.481 raeburn 1317: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1318: $cdomain,$cname);
1.472 raeburn 1319: }
1.479 raeburn 1320: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1321: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1322: $cdomain,$cname);
1.479 raeburn 1323: }
1.292 raeburn 1324: }
1.289 albertel 1325:
1.65 albertel 1326: sub checkout_msg {
1.211 albertel 1327: my %lt=&Apache::lonlocal::texthash(
1328: 'resource'=>'The resource needs to be checked out',
1329: '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.',
1330: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 1331: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
1332: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 1333: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1334: return (<<ENDCHECKOUT);
1.211 albertel 1335: <h2>$lt{'resource'}</h2>
1336: <p>$lt{'id_expln'}</p>
1.449 bisitz 1337: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1338: <form name="checkout" method="post" action="$uri">
1.91 albertel 1339: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1340: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1341: </form>
1342: ENDCHECKOUT
1343: }
1344:
1.252 albertel 1345: sub firstaccess_msg {
1.253 albertel 1346: my ($time,$symb)=@_;
1.414 albertel 1347: my $result;
1348: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1349: if ($interval[1] eq 'map') {
1350: my ($map)=&Apache::lonnet::decode_symb($symb);
1351: my $foldertitle=&Apache::lonnet::gettitle($map);
1352:
1353: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1354: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1355: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1356: ,$foldertitle,$time)."</p>";
1.414 albertel 1357: } elsif ($interval[1] eq 'course') {
1358: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1359: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1360: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1361: ,$course,$time)."</p>";
1.414 albertel 1362: } else {
1363: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1364: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1365: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1366: ,$title,$time)."</p>";
1.414 albertel 1367: }
1.352 albertel 1368: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1369: my $buttontext = &mt('Show Resource');
1370: my $timertext = &mt('Start Timer?');
1.414 albertel 1371: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1372: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1373: <input type="hidden" name="markaccess" value="yes" />
1.514 bisitz 1374: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1375: </form>
1376: ENDCHECKOUT
1.414 albertel 1377: return $result;
1.252 albertel 1378: }
1379:
1.204 albertel 1380: sub init_problem_globals {
1381: my ($type)=@_;
1382: #initialize globals
1.308 foxr 1383: # For problems, we start out in part 0 (outside a <part> tag).
1384: # and part 0 is used to describe the main body of the <problem>
1385: #
1.204 albertel 1386: if ($type eq 'problem') {
1387: $Apache::inputtags::part='0';
1388: @Apache::inputtags::partlist=('0');
1.405 albertel 1389: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1390: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1391:
1.266 albertel 1392: } elsif ($type eq 'library') {
1.204 albertel 1393: $Apache::inputtags::part='';
1394: @Apache::inputtags::partlist=();
1.405 albertel 1395: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1396: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1397:
1.304 albertel 1398: } elsif ($type eq 'Task') {
1399: $Apache::inputtags::part='0';
1400: @Apache::inputtags::partlist=('0');
1.405 albertel 1401: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1402: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1403: }
1.477 www 1404: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1405: @Apache::inputtags::responselist = ();
1406: @Apache::inputtags::importlist = ();
1407: @Apache::inputtags::previous=();
1408: @Apache::inputtags::previous_version=();
1.536 raeburn 1409: $Apache::inputtags::leniency='';
1.204 albertel 1410: $Apache::structuretags::printanswer='No';
1411: @Apache::structuretags::whileconds=();
1412: @Apache::structuretags::whilebody=();
1413: @Apache::structuretags::whileline=();
1414: $Apache::lonhomework::scantronmode=0;
1415: undef($Apache::lonhomework::name);
1.358 albertel 1416: undef($Apache::lonhomework::default_type);
1417: undef($Apache::lonhomework::type);
1.204 albertel 1418: }
1419:
1420: sub reset_problem_globals {
1421: my ($type)=@_;
1422: undef(%Apache::lonhomework::history);
1423: undef(%Apache::lonhomework::results);
1424: undef($Apache::inputtags::part);
1.536 raeburn 1425: undef($Apache::inputtags::leniency);
1.498 raeburn 1426: if ($type eq 'Task') {
1427: undef($Apache::inputtags::slot_name);
1.528 raeburn 1428: } elsif ($type eq 'problem') {
1429: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1430: }
1.208 albertel 1431: #don't undef this, lonhomework.pm takes care of this, we use this to
1432: #detect if we try to do 2 problems in one file
1433: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1434: undef($Apache::lonhomework::name);
1.358 albertel 1435: undef($Apache::lonhomework::default_type);
1436: undef($Apache::lonhomework::type);
1437: undef($Apache::lonhomework::scantronmode);
1438: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1439: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1440: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1441: }
1442:
1.241 albertel 1443: sub set_problem_state {
1.240 albertel 1444: my ($part)=@_;
1.284 albertel 1445: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1446: $Apache::lonhomework::history{"resource.$part.solved"}=
1447: 'correct_by_student';
1448: }
1449: }
1450:
1.241 albertel 1451: sub get_problem_status {
1452: my ($part)=@_;
1.267 albertel 1453: my $problem_status;
1.284 albertel 1454: if ($env{'request.state'} eq 'construct' &&
1455: defined($env{'form.problemstatus'})) {
1456: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1457: } else {
1458: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1459: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1460: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1461: }
1462: return $problem_status;
1463: }
1464:
1.9 albertel 1465: sub start_problem {
1.326 albertel 1466: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1467:
1.311 foxr 1468: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1469: if (!$Apache::lonxml::metamode) {
1470: &Apache::lonxml::startredirection();
1471: }
1.311 foxr 1472:
1.308 foxr 1473: # Problems don't nest and we don't allow more than one <problem> in
1474: # a .problem file.
1475: #
1.184 albertel 1476: if ( $Apache::inputtags::part ne '' ||
1477: $Apache::lonhomework::parsing_a_problem) {
1478: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1479: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1480: return '';
1481: }
1.184 albertel 1482:
1483: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1484: &init_problem_globals('problem');
1.166 albertel 1485:
1.284 albertel 1486: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1487: $Apache::lonhomework::scantronmode=1;
1488: }
1.161 albertel 1489:
1.159 albertel 1490: if ($target ne 'analyze') {
1.415 raeburn 1491: my $type = &Apache::lonnet::EXT('resource.0.type');
1492: $Apache::lonhomework::type=$type;
1.284 albertel 1493: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1494: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1495: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1496: }
1.332 albertel 1497: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1498: }
1.164 albertel 1499: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1500: my $uri=$env{'request.uri'};
1.159 albertel 1501: if ($uri=~/\.(\w+)$/) {
1502: $Apache::lonhomework::type=$1;
1503: &Apache::lonxml::debug("Using type of $1");
1504: } else {
1505: $Apache::lonhomework::type='problem';
1506: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1507: }
1.87 albertel 1508: }
1.301 albertel 1509: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1510:
1.363 albertel 1511: &initialize_storage();
1.389 albertel 1512: if ($target ne 'analyze'
1513: && $env{'request.state'} eq 'construct') {
1514: &set_problem_state('0');
1515: }
1516:
1.366 albertel 1517: if ($target eq 'web') {
1518: &Apache::lonxml::debug(" grading history ");
1519: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1520: }
1.363 albertel 1521:
1.159 albertel 1522: #added vars to the scripting enviroment
1.213 albertel 1523: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1524: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1525: &Apache::run::run($expression,$safeeval);
1.159 albertel 1526: my $status;
1527: my $accessmsg;
1.508 raeburn 1528: my $resource_due;
1.540 raeburn 1529: my $ipused;
1.159 albertel 1530:
1.343 albertel 1531: my $name= &get_resource_name($parstack,$safeeval);
1.528 raeburn 1532: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist);
1.506 raeburn 1533:
1534: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1535: $target eq 'tex') {
1536: if ($env{'form.markaccess'}) {
1537: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.539 raeburn 1538: my ($timelimit) = split(/_/,$interval[0]);
1539: &Apache::lonnet::set_first_access($interval[1],$timelimit);
1.506 raeburn 1540: }
1541:
1.540 raeburn 1542: ($status,$accessmsg,$slot_name,$slot,$ipused) =
1.506 raeburn 1543: &Apache::lonhomework::check_slot_access('0','problem');
1544: push (@Apache::inputtags::status,$status);
1545: }
1546:
1.354 albertel 1547: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1548: || $target eq 'edit') {
1.528 raeburn 1549: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1550: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1551: $name);
1.528 raeburn 1552: } elsif (($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) {
1553: my ($symb)= &Apache::lonnet::whichuser();
1554: my $navmap = Apache::lonnavmaps::navmap->new();
1555: if (ref($navmap)) {
1556: my $res = $navmap->getBySymb($symb);
1557: if (ref($res)) {
1558: $probpartlist = $res->parts();
1559: }
1560: }
1.350 albertel 1561: }
1562:
1.284 albertel 1563: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1564:
1.479 raeburn 1565: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1566: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1567: $target eq 'tex') {
1.479 raeburn 1568:
1.159 albertel 1569: #handle rand seed in construction space
1.528 raeburn 1570: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1571: if (($target eq 'grade') && &Apache::response::submitted()) {
1572: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1573: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1574: } else {
1575: my @parts;
1576: if (ref($probpartlist) eq 'ARRAY') {
1577: @parts = @{$probpartlist};
1578: }
1579: unless (@parts) {
1.529 raeburn 1580: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1581: }
1582: }
1583: }
1.367 albertel 1584: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 1585:
1.333 albertel 1586: if ($env{'request.state'} ne "construct" &&
1587: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 1588: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.462 raeburn 1589: $rndseed.'" />'.
1590: '<input type="submit" name="resetdata"
1591: value="'.&mt('New Problem Variation').'" />';
1.334 albertel 1592: if (exists($env{'form.username'})) {
1593: $form_tag_start.=
1.164 albertel 1594: '<input type="hidden" name="username"
1.284 albertel 1595: value="'.$env{'form.username'}.'" />';
1.334 albertel 1596: }
1.462 raeburn 1597: if ($env{'request.role.adv'}) {
1598: $form_tag_start.= ' <label class="LC_nobreak">'
1599: .'<input type="checkbox" name="showallfoils"';
1600: if (defined($env{'form.showallfoils'})) {
1601: $form_tag_start.=' checked="checked"';
1602: }
1603: $form_tag_start.= ' /> '
1604: .&mt('Show All Foils')
1605: .'</label>';
1606: }
1.417 www 1607: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1608: $form_tag_start.=&practice_problem_header();
1.417 www 1609: }
1.462 raeburn 1610: $form_tag_start.='<hr />';
1.479 raeburn 1611: } elsif (($env{'request.state'} ne "construct") &&
1612: ($Apache::lonhomework::type eq 'randomizetry') &&
1.546 raeburn 1613: ($status eq 'CAN_ANSWER') &&
1.549 raeburn 1614: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
1615: (!$env{'request.role.adv'})) {
1616: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.479 raeburn 1617: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1618: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1619: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries);
1620: }
1.324 albertel 1621:
1.159 albertel 1622: my $expression='$external::datestatus="'.$status.'";';
1623: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
1624: &Apache::run::run($expression,$safeeval);
1625: &Apache::lonxml::debug("Got $status");
1.324 albertel 1626:
1.159 albertel 1627: if (( $status eq 'CLOSED' ) ||
1628: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1629: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 1630: ( $status eq 'BANNED') ||
1.216 albertel 1631: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 1632: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 1633: ( $status eq 'NOTRESERVABLE') ||
1634: ( $status eq 'RESERVABLE') ||
1635: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 1636: ( $status eq 'INVALID_ACCESS') ||
1637: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 1638: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1639: $style);
1.159 albertel 1640: if ( $target eq "web" ) {
1.343 albertel 1641: my $msg;
1.159 albertel 1642: if ($status eq 'UNAVAILABLE') {
1.504 golterma 1643: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1.441 raeburn 1644: } elsif ($status eq 'NOT_IN_A_SLOT') {
1.504 golterma 1645: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1.499 raeburn 1646: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1647: ($status eq 'NOTRESERVABLE')) {
1.504 golterma 1648: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1.253 albertel 1649: } elsif ($status ne 'NOT_YET_VIEWED') {
1.504 golterma 1650: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1.499 raeburn 1651: }
1.216 albertel 1652: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 1653: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 1654: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 1655: $msg.=&checkout_msg();
1.252 albertel 1656: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 1657: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 1658: } elsif ($status eq 'NOT_IN_A_SLOT') {
1.441 raeburn 1659: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1.499 raeburn 1660: } elsif ($status eq 'RESERVABLE') {
1661: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1662: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1663: '<br />'.
1664: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1665: } elsif ($status eq 'RESERVABLE_LATER') {
1666: $msg.=&mt('Window to make a reservation will open [_1].',
1667: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1668: } elsif ($status eq 'NOTRESERVABLE') {
1669: $msg.=&mt('Not available to make a reservation.');
1.540 raeburn 1670: } elsif ($status eq 'NEED_DIFFERENT_IP') {
1671: if ($ipused) {
1672: $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");
1673: } else {
1674: $msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
1675: &mt('Somebody else has already used this particular computer for that purpose.');
1676: }
1677: }
1.159 albertel 1678: $result.=$msg.'<br />';
1679: } elsif ($target eq 'tex') {
1.332 albertel 1680: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1681: : '\begin{minipage}{\textwidth}';
1.443 foxr 1682: $result.='\noindent \vskip 1 mm '.
1.332 albertel 1683: $startminipage.'\vskip 0 mm';
1.159 albertel 1684: if ($status eq 'UNAVAILABLE') {
1.211 albertel 1685: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 1686: } else {
1.211 albertel 1687: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 1688: }
1689: }
1.324 albertel 1690: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1691: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1692: $style);
1.324 albertel 1693: if ($target eq 'web') {
1.375 albertel 1694: $result .=
1695: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 1696: } elsif ($target eq 'grade') {
1.540 raeburn 1697: my $checkinresult = &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
1698: 'problem');
1699: if ($checkinresult = /^error:/) {
1700: $result .= 'error';
1701: }
1.324 albertel 1702: }
1.159 albertel 1703: } elsif ($target eq 'web') {
1.508 raeburn 1704: if ($status eq 'CAN_ANSWER') {
1705: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
1706: if ($slot_name ne '') {
1707: my $checked_in =
1708: $Apache::lonhomework::history{'resource.0.checkedin'};
1709: if ($checked_in eq '') {
1710: # unproctored slot access, self checkin
1.540 raeburn 1711: my $needsiptied;
1712: if (ref($slot)) {
1713: $needsiptied = $slot->{'iptied'};
1714: }
1715: my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1716: $slot_name,$needsiptied);
1717: if ($check =~ /^error: /) {
1718: &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $env{'request.symb'}) using slot: $slot_name");
1719: } else {
1720: $checked_in =
1721: $Apache::lonhomework::results{"resource.0.checkedin"};
1722: }
1.508 raeburn 1723: }
1724: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1725: if ($slot->{'starttime'} < time()) {
1726: if (!$resource_due) {
1727: $resource_due = $slot->{'endtime'};
1728: } elsif ($slot->{'endtime'} < $resource_due) {
1729: $resource_due = $slot->{'endtime'};
1730: }
1731: }
1732: }
1733: }
1734: if ($resource_due) {
1735: my $time_left = $resource_due - time();
1736: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
1737: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
1738: }
1739: }
1740: }
1.368 albertel 1741: $result.="\n $form_tag_start \t".
1.227 albertel 1742: '<input type="hidden" name="submitted" value="yes" />';
1743: # create a page header and exit
1.284 albertel 1744: if ($env{'request.state'} eq "construct") {
1.544 damieng 1745: if ($env{'form.inhibitmenu'} eq 'yes') {
1746: # error messages can be useful in any case
1747: $result.= &Apache::lonxml::message_location();
1748: } else {
1.542 raeburn 1749: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1750: }
1.428 raeburn 1751: if ($Apache::lonhomework::type eq 'practice') {
1752: $result.= '<input type="submit" name="resetdata" '.
1753: 'value="'.&mt('New Problem Variation').'" />'.
1754: &practice_problem_header().'<hr />';
1755: }
1.227 albertel 1756: }
1757: # if we are viewing someone else preserve that info
1.284 albertel 1758: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1759: foreach my $field ('symb','courseid','domain','username') {
1760: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1761: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1762: }
1.479 raeburn 1763: foreach my $field ('trial','questiontype') {
1764: if ($env{"form.grade_$field"} ne '') {
1765: $result .= '<input type="hidden" name="grade_'.$field.
1766: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1767: }
1768: }
1.159 albertel 1769: }
1.490 raeburn 1770: if ($env{'form.grade_imsexport'}) {
1771: $result = '';
1772: }
1.159 albertel 1773: } elsif ($target eq 'tex') {
1.319 foxr 1774: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 1775: $result .= &select_metadata_hyphenation();
1776:
1.319 foxr 1777:
1.99 sakharuk 1778: }
1.159 albertel 1779: } elsif ($target eq 'edit') {
1.343 albertel 1780: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1781: $Apache::lonxml::warnings_error_header=
1782: &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 1783: my $temp=&Apache::edit::insertlist($target,$token);
1784: $result.=$temp;
1785: } elsif ($target eq 'modified') {
1786: $result=$token->[4];
1787: } else {
1788: # page_start returned a starting result, delete it if we don't need it
1789: $result = '';
1.99 sakharuk 1790: }
1.159 albertel 1791: return $result;
1.9 albertel 1792: }
1793:
1794: sub end_problem {
1.159 albertel 1795: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 1796: my $result;
1.310 foxr 1797:
1.321 albertel 1798: if (!$Apache::lonxml::metamode) {
1799: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 1800: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1801: }
1.319 foxr 1802:
1803: if ($target eq 'tex') {
1.321 albertel 1804: # Figure out the front matter and replace the
1805: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1806: # this in end_problem because whether or not we display due
1807: # dates depends on whether due dates have already been
1808: # displayed in the problem parts.
1809:
1.319 foxr 1810: my $frontmatter = '';
1811: my $startminipage = '';
1812: if (not $env{'form.problem_split'}=~/yes/) {
1813: $startminipage = '\begin{minipage}{\textwidth}';
1814: }
1815: my $id = $Apache::inputtags::part;
1816: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1817: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 1818: my @packages = split(/,/,$packages);
1.319 foxr 1819: my $allow_print_points = 0;
1820: foreach my $partial_key (@packages) {
1821: if ($partial_key=~m/^part_0$/) {
1822: $allow_print_points=1;
1823: }
1824: }
1825: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1826: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1827: if (lc($env{'course.'.$env{'request.course.id'}.
1828: '.disableexampointprint'}) eq 'yes') {
1829: $allow_print_points=0;
1830: }
1831: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 1832: 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 1833: &clear_required_languages();
1.319 foxr 1834: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1835: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1836:
1837: # Figure out what the due date is and if we need to print
1838: # it in the problem header. We have been logging the
1839: # last due date written to file.
1840:
1841: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1842: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 1843: my $duedate_text = &mt('Due date: [_1]'
1844: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 1845: my $temp_file;
1846: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1847:
1848: # Figure out what the last printed due date is or set it
1849: # to the epoch if no duedates have been printed.
1850:
1851: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1852: if (-e $filename) {
1853: $temp_file = Apache::File->new($filename);
1854: my @due_file = <$temp_file>;
1855: $due_file_content = $due_file[$#due_file];
1856: chomp $due_file_content;
1857: }
1858:
1859: # We display the due date iff it is not the same as the last
1860: # duedate in problem header ($due_file_content), and
1861: # none of our parts displayed a duedate.
1862: #
1863: my $parts_with_displayduedate;
1864: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
1865: $parts_with_displayduedate =
1866: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
1867: } else {
1868: $parts_with_displayduedate = 0;
1869: }
1870: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
1871: $temp_file = Apache::File->new('>'.$filename);
1872: print $temp_file "$duetime\n";
1873: if (not $env{'request.symb'} =~ m/\.page_/) {
1874: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
1875: $frontmatter .= $begin_doc.
1.448 bisitz 1876: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 1877: } else {
1878: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 1879: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 1880: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 1881: }
1.319 foxr 1882: }
1883: } else {
1.448 bisitz 1884: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 1885: }
1886: } else {
1887: if (not $env{'request.symb'} =~ m/\.page_/) {
1888: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 1889: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 1890: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 1891: }
1.319 foxr 1892: } else {
1.381 albertel 1893: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 1894: }
1895: }
1896: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1897: }
1898:
1.159 albertel 1899: my $status=$Apache::inputtags::status['-1'];
1900: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1901: $target eq 'tex') {
1.249 albertel 1902: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 1903: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 1904: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
1905: &Apache::inputtags::grade;
1.324 albertel 1906: } elsif ($status eq 'NEEDS_CHECKIN') {
1907: # no need to grade, and don't want to hide data
1.249 albertel 1908: } else {
1909: # move any submission data to .hidden
1910: &Apache::inputtags::hidealldata($Apache::inputtags::part);
1911: }
1.159 albertel 1912: } elsif ( ($target eq 'web' || $target eq 'tex') &&
1913: $Apache::inputtags::part eq '0' &&
1.490 raeburn 1914: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
1915: && !$env{'form.grade_imsexport'}) {
1.159 albertel 1916: # if part is zero, no <part>s existed, so we need show the current
1917: # grading status
1918: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
1919: $result.= $gradestatus;
1920: }
1921: if (
1.284 albertel 1922: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 1923: ($target eq 'answer') || ($target eq 'tex')
1924: ) {
1.490 raeburn 1925: if (($target ne 'tex') &&
1926: ($env{'form.answer_output_mode'} ne 'tex') &&
1927: (!$env{'form.grade_imsexport'})) {
1.254 www 1928: $result.="</form>";
1.159 albertel 1929: }
1930: if ($target eq 'web') {
1.507 raeburn 1931: #
1932: # Closing </body></html> not added by end_page().
1933: # Added separately at end of this routine, after added
1934: # <script></script> so document will be valid xhtml.
1935: #
1.546 raeburn 1936: my $showdisc = 1;
1.547 raeburn 1937: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
1938: (!$env{'request.role.adv'})) {
1939: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 1940: $showdisc = 0;
1.547 raeburn 1941: my ($symb)= &Apache::lonnet::whichuser();
1942: if ($symb) {
1943: my $navmap = Apache::lonnavmaps::navmap->new();
1944: if (ref($navmap)) {
1945: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
1946: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 1947: # and there are no tries left
1.547 raeburn 1948: unless ($hastries) {
1949: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
1950: my ($score,$incomplete) =
1951: &Apache::lonplacementtest::check_completion(undef,undef,1);
1952: if (!$incomplete) {
1953: $result .= &Apache::lonplacementtest::showresult(1,1);
1954: } elsif ($incomplete < 100) {
1955: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
1956: }
1957: } else {
1958: # For Placement Tests score is displayed if test has just been completed
1959: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
1960: if (!$incomplete) {
1961: $result.= &Apache::lonplacementtest::showresult(1,1);
1962: }
1963: }
1964: }
1965: }
1966: }
1.546 raeburn 1967: }
1968: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 1969: 'notbody' => 1});
1.159 albertel 1970: } elsif ($target eq 'tex') {
1.178 sakharuk 1971: my $endminipage = '';
1.284 albertel 1972: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 1973: $endminipage = '\end{minipage}';
1974: }
1.284 albertel 1975: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 1976: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 1977: } else {
1.262 sakharuk 1978: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 1979: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 1980: $result .= $endminipage.'\end{document} ';
1981: } else {
1.382 albertel 1982: $result .= $endminipage;
1.262 sakharuk 1983: }
1.159 albertel 1984: }
1985: }
1986: }
1.476 www 1987: if ($target eq 'web') {
1988: $result.=&Apache::functionplotresponse::init_script();
1989: }
1.159 albertel 1990: if ($target eq 'grade') {
1991: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1992: &finalize_storage();
1993: }
1.284 albertel 1994: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
1995: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 1996: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 1997: # normally we get it from above, but in CSTR
1.172 albertel 1998: # we always show answer mode too.
1.159 albertel 1999: }
2000: } elsif ($target eq 'meta') {
2001: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2002: @Apache::inputtags::response=();
1.159 albertel 2003: $result=&Apache::response::mandatory_part_meta;
2004: }
1.215 albertel 2005: $result.=&Apache::response::meta_part_order();
1.258 albertel 2006: $result.=&Apache::response::meta_response_order();
1.159 albertel 2007: } elsif ($target eq 'edit') {
2008: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2009: $result .= &problem_edit_footer();
1.320 albertel 2010: } elsif ($target eq 'modified') {
2011: $result .= $token->[2];
1.159 albertel 2012: }
1.155 albertel 2013:
1.284 albertel 2014: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2015: &Apache::inputtags::check_for_duplicate_ids();
2016: }
1.204 albertel 2017:
2018: &reset_problem_globals('problem');
1.159 albertel 2019:
1.502 foxr 2020: #
2021: # This shouild be just above the return so that the
2022: # time put in the javascript is as late as possible in the
2023: # computation:
2024: #
2025: if ($target eq 'web') {
2026: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2027: #
2028: # Closing tags delayed so any <script></script> tags
2029: # not in head can appear inside body, for valid xhtml.
2030: #
2031: $result .= "</body>\n</html>";
1.502 foxr 2032: }
1.159 albertel 2033: return $result;
1.48 albertel 2034: }
2035:
1.108 albertel 2036:
1.48 albertel 2037: sub start_library {
1.159 albertel 2038: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2039: my ($result,$form_tag_start);
1.371 albertel 2040: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2041: &init_problem_globals('library');
2042: $Apache::lonhomework::type='problem';
2043: }
1.159 albertel 2044: if ($target eq 'edit') {
1.343 albertel 2045: ($result,$form_tag_start)=
2046: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2047: 'Edit');
2048: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2049: my $temp=&Apache::edit::insertlist($target,$token);
2050: $result.=$temp;
2051: } elsif ($target eq 'modified') {
2052: $result=$token->[4];
1.340 albertel 2053: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2054: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2055: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2056: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2057: ($result,$form_tag_start)=
2058: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2059: $name);
1.479 raeburn 2060: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2061: $result.=" \n $form_tag_start".
1.159 albertel 2062: '<input type="hidden" name="submitted" value="yes" />';
2063: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2064: if ($Apache::lonhomework::type eq 'practice') {
2065: $result.= '<input type="submit" name="resetdata" '.
2066: 'value="'.&mt('New Problem Variation').'" />'.
2067: &practice_problem_header().'<hr />';
2068: }
1.159 albertel 2069: }
2070: return $result;
1.48 albertel 2071: }
2072:
2073: sub end_library {
1.159 albertel 2074: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2075: my $result='';
2076: if ($target eq 'edit') {
2077: $result=&problem_edit_footer();
1.371 albertel 2078: } elsif ($target eq 'web'
2079: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2080: && $env{'request.state'} eq "construct") {
1.349 albertel 2081: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 2082: }
1.371 albertel 2083: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2084: &reset_problem_globals('library');
2085: }
1.159 albertel 2086: return $result;
1.197 www 2087: }
2088:
2089: sub start_definetag {
1.326 albertel 2090: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2091:
2092: my $result;
2093:
2094: my $name = $token->[2]->{'name'};
1.326 albertel 2095: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2096: if ($target eq 'web') {
2097: if ($name=~/^\//) {
2098: $result=
2099: '<br /><table class="LC_sty_end"><tr><th>'.
2100: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2101: } else {
2102: $result=
2103: '<br /><table class="LC_sty_begin"><tr><th>'.
2104: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2105: }
2106: $skip = &HTML::Entities::encode($skip, '<>&"');
2107: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2108: }
2109: return $result;
2110: }
2111:
2112: sub end_definetag {
2113: return '';
1.1 albertel 2114: }
2115:
2116: sub start_block {
1.201 albertel 2117: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2118:
2119: my $result;
1.1 albertel 2120:
1.339 albertel 2121: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2122: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2123: my $code = $token->[2]->{'condition'};
1.385 albertel 2124: if (defined($code) && $code ne '') {
1.137 albertel 2125: if (!$Apache::lonxml::default_homework_loaded) {
2126: &Apache::lonxml::default_homework_load($safeeval);
2127: }
1.131 albertel 2128: $result = &Apache::run::run($code,$safeeval);
2129: &Apache::lonxml::debug("block :$code: returned :$result:");
2130: } else {
2131: $result='1';
2132: }
2133: if ( ! $result ) {
1.201 albertel 2134: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2135: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2136: }
2137: $result='';
2138: } elsif ($target eq 'edit') {
2139: $result .=&Apache::edit::tag_start($target,$token);
2140: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2141: $token,40);
2142: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2143: } elsif ($target eq 'modified') {
2144: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2145: $safeeval,'condition');
2146: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2147: }
1.131 albertel 2148: return $result;
1.1 albertel 2149: }
2150:
2151: sub end_block {
1.167 www 2152: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2153: my $result;
2154: if ($target eq "edit") {
2155: $result.= &Apache::edit::tag_end($target,$token,'');
2156: }
2157: return $result;
2158: }
1.500 foxr 2159: #
2160: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2161: # ...
2162: # </languageblock>
2163: #
2164: # This declares the intent to provide content that can be rendered in the
2165: # set of languages in the include specificatino but not in the exclude
2166: # specification. If a currently preferred language is in the include list
2167: # the content in the <languageblock>...</languageblock> is rendered
2168: # If the currently preferred language is in the exclude list,
2169: # the content in the <languageblock>..></languageblock is not rendered.
2170: #
2171: # Pathalogical case handling:
2172: # - Include specified, without the preferred language but exclude specified
2173: # also without the preferred langauge results in rendering the block.
2174: # - Exclude specified without include and excluden not containing a
2175: # preferred language renders the block.
2176: # - Include and exclude both specifying the preferred language does not
2177: # render the block.
2178: # - If neither include/exclude is specified, the block gets rendered.
2179: #
2180: # This tag has no effect when target is in {edit, modified}
2181: #
1.167 www 2182: sub start_languageblock {
1.201 albertel 2183: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2184:
1.500 foxr 2185: my $result = '';
1.167 www 2186:
1.339 albertel 2187: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2188: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2189: my $include = $token->[2]->{'include'};
2190: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2191: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2192:
2193: # This should not even happen, since we should at least have the server language
2194:
2195: if (!$preferred_languages[0]) {
2196: $preferred_languages[0]='en';
2197: }
2198:
2199: # Now loop over all languages in order of preference
2200:
2201: my $render;
1.398 www 2202: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2203:
2204: # If neither include/nor exlude is present the block is going
2205: # to get rendered.
2206:
1.399 www 2207: my $found=0;
1.500 foxr 2208: $render=1;
2209:
2210: # If include is specified, don't render the block
2211: # unless the preferred language is included in the set.
2212:
1.398 www 2213: if ($include) {
1.500 foxr 2214: $render=0;
1.398 www 2215: foreach my $included_language (split(/\,/,$include)) {
2216: if ($included_language eq $preferred_language) {
1.500 foxr 2217: $render=1;
1.399 www 2218: $found=1;
1.500 foxr 2219: last; # Only need to find the first.
1.398 www 2220: }
2221: }
2222: }
1.500 foxr 2223: # Do we have an exclude argument?
2224: # If so, and one of the languages matches a preferred language
2225: # inhibit rendering the block. Note that in the pathalogical case the
2226: # author has specified a preferred language in both the include and exclude
2227: # attribte exclude is preferred.
2228:
1.398 www 2229: if ($exclude) {
1.500 foxr 2230: $render=1;
1.398 www 2231: foreach my $excluded_language (split(/\,/,$exclude)) {
2232: if ($excluded_language eq $preferred_language) {
1.500 foxr 2233: $render=0;
1.399 www 2234: $found=1;
1.500 foxr 2235: last; # Only need to find the first.
1.398 www 2236: }
2237: }
2238: }
1.500 foxr 2239: if ($found) {
2240: last; # Done on any match of include or exclude.
2241: }
1.398 www 2242: }
1.500 foxr 2243: # If $render not true skip the entire block until </languageblock>
2244: #
2245:
2246: if ( ! $render ) {
1.201 albertel 2247: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2248: $style);
2249: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2250: }
1.500 foxr 2251: # If $render is true, we've not skipped the contents of the <languageglock>
2252: # and the normal loncapa processing flow will render it as a matter of course.
2253:
1.167 www 2254: } elsif ($target eq 'edit') {
2255: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2256: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2257: $token,40);
1.211 albertel 2258: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2259: $token,40);
2260: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2261: } elsif ($target eq 'modified') {
2262: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2263: $safeeval,'include',
2264: 'exclude');
1.167 www 2265: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2266: }
2267: return $result;
2268: }
2269:
2270: sub end_languageblock {
1.170 www 2271: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2272: my $result;
1.201 albertel 2273: if ($target eq "edit") {
1.170 www 2274: $result.= &Apache::edit::tag_end($target,$token,'');
2275: }
2276: return $result;
2277: }
1.500 foxr 2278: # languagblock specific tags:
2279: {
2280: # For chunks of a resource that has translations, this hash contains
2281: # the translations available indexed by language name.
2282: #
2283:
2284: my %available_texts;
1.170 www 2285:
1.500 foxr 2286: # <translated> starts a block of a resource that has multiple translations.
2287: # See the <lang> tag as well.
2288: # When </translated> is encountered if there is a translation for the
2289: # currently preferred language, that is rendered inthe web/tex/webgrade
2290: # targets. Otherwise, the default text is rendered.
2291: #
2292: # Note that <lang> is only registered for the duration of the
2293: # <translated>...</translated> block
2294: #
2295: # Pathalogical case handling:
2296: # - If there is no <lang> that specifies a 'default' and there is no
2297: # translation that matches a preferred language, nothing is rendered.
2298: # - Nested <translated>...</translated> might be linguistically supported by
2299: # XML due to the stack nature of tag registration(?) however the rendered
2300: # output will be incorrect because there is only one %available_texts
2301: # has and end_translated clears it.
2302: # - Material outside of a <lang>...</lang> block within the
2303: # <translated>...<translated> block won't render either e.g.:
2304: # <translated>
2305: # The following will be in your preferred langauge:
2306: # <lang which='en'>
2307: # This section in english
2308: # </lang>
2309: # <lang which='sgeiso'>
2310: # Hier es ist auf Deutsch.
2311: # </lang>
2312: # <lang which='sfriso'>
2313: # En Francais
2314: # </lang>
2315: # </translated>
2316: #
2317: # The introductory text prior to the first <lang> tag is not rendered.
2318: #
1.397 albertel 2319: sub start_translated {
2320: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2321: &Apache::lonxml::register('Apache::structuretags',('lang'));
2322: undef(%available_texts);
2323: }
2324:
2325: sub end_translated {
2326: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2327: my $result;
2328: #show the translation on viewable targets
2329: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2330: # or non-viewable targets, if it's embedded in something that
2331: # wants the output
2332: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2333: && &Apache::lonxml::in_redirection() ) ) {
2334: my @possibilities = keys(%available_texts);
2335: my $which =
2336: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2337: if ($target eq 'tex') {
2338: $result = &select_hyphenation($which);
2339: }
2340: $result .= $available_texts{$which};
2341: if ($target eq 'tex') {
2342: $result .= &select_metadata_hyphenation(); # Restore original language.
2343: }
1.397 albertel 2344: }
2345: undef(%available_texts);
2346: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2347: return $result;
2348: }
2349:
1.500 foxr 2350: # <lang [which='language-name'] [other='lang1,lang2...']>
2351: # Specifies that the block contained within it is a translation
2352: # for a specific language specified by the 'which' attribute. The
2353: # 'other' attribute can be used by itself or in conjunction with
2354: # which to specify this tag _may_ be used as a translation for some
2355: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2356: # specifying that the block provides a translation for US (primary)
2357: # Canadian, Australian and UK Englush.
2358: #
2359: # Comment: this seems a bit silly why not just support a list of languages
2360: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2361: #
2362: # Effect:
2363: # The material within the <lang>..</lang> block is stored in the
2364: # specified set of $available_texts hash entries, the appropriate one
2365: # is selected at </translated> time.
2366: #
2367: # Pathalogical case handling:
2368: # If a language occurs multiple times within a <translated> block,
2369: # only the last one is rendered e.g.:
2370: #
2371: # <translated>
2372: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2373: # Red green color blindness is quite common affecting about 7.8% of
2374: # the male population, but onloy about .65% of the female population.
2375: # </lang>
2376: # Red green colour blindness is quite common affecting about 7.8% of
2377: # the male population, but onloy about .65% of the female population.
2378: # <lang which='seniso', other='senisoCA,senisoAU'>
2379: # </translated>
2380: #
2381: # renders the correct spelling of color (colour) for people who have specified
2382: # a preferred language that is one of the British Commonwealth languages
2383: # even though those are also listed as valid selections for the US english
2384: # <lang> block.
2385: #
1.397 albertel 2386: sub start_lang {
2387: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2388: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2389: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2390: &Apache::lonxml::startredirection();
2391: }
2392: return '';
2393: }
2394:
2395: sub end_lang {
2396: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2397: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2398: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2399: my $result = &Apache::lonxml::endredirection();
2400: my $which = &Apache::lonxml::get_param('which',$parstack,
2401: $safeeval);
1.431 raeburn 2402: if ($which=~/\w/) {
2403: $available_texts{$which} = $result;
2404: }
2405: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2406: $safeeval);
2407: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2408: if ($language=~/\w/) {
2409: $available_texts{$language} = $result;
2410: }
1.427 bisitz 2411: }
2412:
1.397 albertel 2413: }
2414: return '';
2415: }
1.500 foxr 2416: } # end langauge block specific tags.
2417:
1.397 albertel 2418:
1.170 www 2419: sub start_instructorcomment {
1.201 albertel 2420: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2421:
2422: my $result;
2423:
1.339 albertel 2424: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2425: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2426: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2427: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2428: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2429: $parser,$style);
1.170 www 2430: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2431: }
2432: $result='';
2433: } elsif ($target eq 'edit') {
2434: $result .=&Apache::edit::tag_start($target,$token);
2435: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2436: }
2437: return $result;
2438: }
2439:
2440: sub end_instructorcomment {
1.159 albertel 2441: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2442: my $result;
2443: if ($target eq "edit") {
2444: $result.= &Apache::edit::tag_end($target,$token,'');
2445: }
2446: return $result;
1.4 tsai 2447: }
2448:
2449: sub start_while {
1.326 albertel 2450: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2451:
1.160 albertel 2452: my $result;
1.339 albertel 2453: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2454: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2455: my $code = $token->[2]->{'condition'};
1.4 tsai 2456:
1.160 albertel 2457: push( @Apache::structuretags::whileconds, $code);
2458: if (!$Apache::lonxml::default_homework_loaded) {
2459: &Apache::lonxml::default_homework_load($safeeval);
2460: }
2461: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2462: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2463: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2464: push( @Apache::structuretags::whileline, $token->[5]);
2465: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2466: if ( $result ) {
2467: &Apache::lonxml::newparser($parser,\$bodytext);
2468: }
2469: } elsif ($target eq 'edit') {
2470: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2471: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2472: $token,40);
2473: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2474: } elsif ($target eq 'modified') {
2475: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2476: $safeeval,'condition');
2477: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2478: }
1.160 albertel 2479: return $result;
1.4 tsai 2480: }
2481:
2482: sub end_while {
1.159 albertel 2483: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2484: my $result;
2485:
1.339 albertel 2486: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2487: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2488: my $code = pop(@Apache::structuretags::whileconds);
2489: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2490: my $line = pop(@Apache::structuretags::whileline);
2491: my $return = &Apache::run::run($code,$safeeval);
2492: my $starttime=time;
2493: my $error=0;
2494: while ($return) {
2495: if (time-$starttime >
2496: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2497: $return = 0; $error=1; next;
1.161 albertel 2498: }
2499: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2500: if ($target eq 'grade' || $target eq 'answer' ||
2501: $target eq 'analyze') {
2502: # grade/answer/analyze should produce no output but if we
2503: # are redirecting, the redirecter should know what to do
2504: # with the output
2505: if (!$Apache::lonxml::redirection) { undef($result); }
2506: }
1.161 albertel 2507: $return = &Apache::run::run($code,$safeeval);
2508: }
1.516 bisitz 2509: if ($error) {
2510: &Apache::lonxml::error(
2511: '<pre>'
2512: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2513: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2514: .&mt('This occurred while running <while> on line [_1].',
2515: $line)
2516: .'</pre>');
2517: }
1.160 albertel 2518: } elsif ($target eq "edit") {
2519: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2520: }
1.160 albertel 2521: return $result;
1.1 albertel 2522: }
1.6 tsai 2523:
1.160 albertel 2524: # <randomlist show="1">
1.6 tsai 2525: # <tag1>..</tag1>
2526: # <tag2>..</tag2>
2527: # <tag3>..</tag3>
1.160 albertel 2528: # ...
1.6 tsai 2529: # </randomlist>
2530: sub start_randomlist {
1.326 albertel 2531: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2532: my $result;
1.339 albertel 2533: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2534: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2535: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2536: my $b_parser= HTML::LCParser->new(\$body);
2537: $b_parser->xml_mode(1);
2538: $b_parser->marked_sections(1);
1.159 albertel 2539: my $b_tok;
2540: my @randomlist;
2541: my $list_item;
2542: while($b_tok = $b_parser->get_token() ) {
2543: if($b_tok->[0] eq 'S') { # start tag
2544: # get content of the tag until matching end tag
2545: # get all text upto the matching tag
2546: # and push the content into @randomlist
2547: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2548: $b_parser);
2549: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2550: push(@randomlist,$list_item);
2551: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2552: # $list_item</b>";
2553: }
2554: if($b_tok->[0] eq 'T') { # text
2555: # what to do with text in between tags?
2556: # print "<b>TEXT $b_tok->[1]</b><br />";
2557: }
2558: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2559: # print "<b>END-TAG $b_tok->[1]</b><br />";
2560: # }
2561: }
1.303 albertel 2562: if (@randomlist) {
2563: my @idx_arr = (0 .. $#randomlist);
2564: &Apache::structuretags::shuffle(\@idx_arr);
2565: my $bodytext = '';
2566: my $show=$#randomlist;
2567: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2568: $showarg--;
2569: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2570: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2571: my @currlist;
2572: my $part = $Apache::inputtags::part;
2573: if ($part ne '') {
2574: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2575: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2576: if (!(grep(/^\Q$part\E$/,@currlist))) {
2577: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2578: }
2579: } else {
2580: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2581: }
2582: }
2583: }
1.526 raeburn 2584: for my $i (0 .. $show) {
2585: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2586: }
2587: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2588: }
2589: } elsif ($target eq 'edit' ) {
2590: $result .=&Apache::edit::tag_start($target,$token);
2591: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2592: $token,5);
2593: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2594: } elsif ($target eq 'modified' ) {
2595: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2596: $safeeval,'show');
2597: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2598: }
2599: return $result;
1.7 tsai 2600: }
2601:
2602: sub shuffle {
2603: my $a=shift;
2604: my $i;
1.303 albertel 2605: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 2606: &Apache::response::pushrandomnumber();
1.159 albertel 2607: for($i=@$a;--$i;) {
2608: my $j=int(&Math::Random::random_uniform() * ($i+1));
2609: next if $i == $j;
2610: @$a[$i,$j] = @$a[$j,$i];
2611: }
1.251 albertel 2612: &Apache::response::poprandomnumber();
1.7 tsai 2613: }
1.6 tsai 2614: }
2615:
2616: sub end_randomlist {
1.159 albertel 2617: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2618: my $result;
2619: if ($target eq 'edit' ) {
2620: $result=&Apache::edit::tag_end($target,$token,
2621: 'End Randomly Parsed Block');
2622: }
2623: return $result;
1.6 tsai 2624: }
2625:
1.283 albertel 2626: sub ordered_show_check {
2627: my $last_part=$Apache::inputtags::partlist[-2];
2628: my $in_order=
2629: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2630: my $in_order_show=1;
2631: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2632: $in_order_show=&Apache::response::check_status($last_part);
2633: }
2634: return $in_order_show;
2635: }
2636:
1.469 www 2637:
2638: sub start_startpartmarker {
2639: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2640: my $result='';
2641: if ($target eq 'edit') {
2642: $result=&Apache::edit::tag_start($target,$token);
2643: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2644: $result.=&Apache::edit::end_table();
2645:
2646: }
2647: return $result;
2648: }
2649:
2650: sub end_startpartmarker {
2651: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2652: my @result;
2653: if ($target eq 'edit') { $result[1]='no'; }
2654: return @result;
2655: }
2656:
2657: sub start_endpartmarker {
2658: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2659: my $result='';
2660: if ($target eq 'edit') {
2661: $result=&Apache::edit::tag_start($target,$token);
2662: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
2663: $result.=&Apache::edit::end_table();
2664:
2665: }
2666: return $result;
2667: }
2668:
2669: sub end_endpartmarker {
2670: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2671: my @result;
2672: if ($target eq 'edit') { $result[1]='no'; }
2673: return @result;
2674: }
2675:
2676:
2677:
2678:
2679:
1.11 albertel 2680: sub start_part {
1.326 albertel 2681: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 2682: if (!$Apache::lonxml::metamode) {
2683: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
2684: # duedates.
2685: }
1.159 albertel 2686: my $result='';
1.386 albertel 2687: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 2688: $Apache::inputtags::part=$id;
1.177 albertel 2689: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 2690: $Apache::inputtags::leniency='';
1.177 albertel 2691: @Apache::inputtags::response=();
1.159 albertel 2692: @Apache::inputtags::previous=();
2693: @Apache::inputtags::previous_version=();
1.405 albertel 2694: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 2695: &Apache::response::reset_params();
2696:
1.159 albertel 2697: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 2698: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
2699: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 2700: if ($Apache::lonhomework::type eq 'randomizetry') {
2701: my $rndseed=&setup_rndseed($safeeval,$target);
2702: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2703: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 2704: }
2705: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2706: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 2707: }
1.283 albertel 2708: my $in_order_show=&ordered_show_check();
1.214 albertel 2709: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 2710: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 2711: &Apache::run::run($expression,$safeeval);
1.159 albertel 2712:
2713: if ($target eq 'meta') {
1.224 www 2714: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
2715: return &Apache::response::mandatory_part_meta.
2716: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 2717: } elsif ($target eq 'web' || $target eq 'grade' ||
2718: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 2719: if ($hidden || !$in_order_show) {
1.326 albertel 2720: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 2721: } else {
2722: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
2723: push (@Apache::inputtags::status,$status);
2724: my $expression='$external::datestatus="'.$status.'";';
2725: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
2726: &Apache::run::run($expression,$safeeval);
1.284 albertel 2727: if ($env{'request.state'} eq 'construct') {
1.241 albertel 2728: &set_problem_state($Apache::inputtags::part);
1.240 albertel 2729: }
1.216 albertel 2730: if (( $status eq 'CLOSED' ) ||
2731: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2732: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 2733: ( $status eq 'BANNED') ||
2734: ( $status eq 'UNAVAILABLE') ||
2735: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 2736: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
2737: $style);
1.159 albertel 2738: if ( $target eq "web" ) {
1.211 albertel 2739: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 2740: } elsif ( $target eq 'tex' ) {
1.284 albertel 2741: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 2742: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 2743: } else {
1.211 albertel 2744: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 2745: }
1.159 albertel 2746: }
2747: } else {
2748: if ($target eq 'tex') {
1.284 albertel 2749: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 2750: if ($$tagstack[-2] eq 'td') {
1.388 foxr 2751: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 2752: } else {
2753: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
2754: }
1.195 sakharuk 2755: }
1.159 albertel 2756: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 2757: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2758: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 2759: my $allow_print_points = 0;
2760: foreach my $partial_key (@allkeys) {
1.230 albertel 2761: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 2762: if ($1 ne '0') {$allow_print_points=1;}
2763: }
2764: }
1.275 albertel 2765: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2766: if (defined($maxtries) && $maxtries < 0) {
2767: $allow_print_points=0;
2768: }
1.302 albertel 2769: if (lc($env{'course.'.$env{'request.course.id'}.
2770: '.disableexampointprint'}) eq 'yes') {
2771: $allow_print_points=0;
2772: }
1.463 foxr 2773: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 2774: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2775:
2776: }
1.233 www 2777: } elsif ($target eq 'web') {
1.479 raeburn 2778: if ($status eq 'CAN_ANSWER') {
2779: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2780: my $probrandomize = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].type");
2781: my $probrandtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].randomizeontries");
2782: my $num = scalar(@Apache::inputtags::partlist)-1;
2783: if ($probrandomize eq 'randomizetry') {
2784: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") ne 'randomizetry') {
2785: $result .= &randomizetry_part_header($problemstatus,'none',$num);
2786: } else {
2787: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2788: if ($probrandtries ne $reqtries) {
2789: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2790: }
2791: }
2792: } elsif (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") eq 'randomizetry') {
2793: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2794: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2795: }
2796: }
1.475 raeburn 2797: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 2798: }
2799: }
2800: }
2801: } elsif ($target eq 'edit') {
2802: $result.=&Apache::edit::tag_start($target,$token);
2803: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
2804: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 2805: ' '.
2806: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 2807: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
2808: } elsif ($target eq 'modified') {
2809: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 2810: $safeeval,'id','display');
1.159 albertel 2811: if ($constructtag) {
1.225 albertel 2812: #limiting ids to only letters numbers, and space
1.224 www 2813: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 2814: $result = &Apache::edit::rebuild_tag($token);
2815: }
2816: }
2817: return $result;
1.11 albertel 2818: }
2819:
2820: sub end_part {
1.159 albertel 2821: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2822: &Apache::lonxml::debug("in end_part $target ");
2823: my $status=$Apache::inputtags::status['-1'];
2824: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 2825: my $in_order_show=&ordered_show_check();
1.321 albertel 2826: my $result;
2827: if (!$Apache::lonxml::metamode) {
2828: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 2829: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2830: }
1.312 albertel 2831: if ($target eq 'grade') {
1.249 albertel 2832: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 2833: !$hidden && $in_order_show) {
1.311 foxr 2834: $result.=&Apache::inputtags::grade;
1.249 albertel 2835: } else {
2836: # move any submission data to .hidden
2837: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2838: }
1.283 albertel 2839: } elsif (($target eq 'web' || $target eq 'tex') &&
2840: !$hidden && $in_order_show) {
1.159 albertel 2841: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
2842: $target);
1.490 raeburn 2843: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
2844: ($env{'form.grade_imsexport'})) {
1.212 albertel 2845: $gradestatus='';
2846: }
1.311 foxr 2847: $result.=$gradestatus;
1.265 sakharuk 2848: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 2849: } elsif ($target eq 'edit') {
1.311 foxr 2850: $result.=&Apache::edit::end_table();
1.322 albertel 2851: } elsif ($target eq 'modified') {
2852: $result .= $token->[2];
1.159 albertel 2853: }
2854: pop @Apache::inputtags::status;
2855: $Apache::inputtags::part='';
1.536 raeburn 2856: $Apache::inputtags::leniency='';
1.295 albertel 2857: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 2858: return $result;
1.11 albertel 2859: }
1.1 albertel 2860:
1.25 albertel 2861: sub start_preduedate {
1.326 albertel 2862: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 2863: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2864: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 2865: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 2866: if (!$Apache::lonhomework::scantronmode &&
2867: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 2868: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
2869: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 2870: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 2871: }
1.24 albertel 2872: }
1.159 albertel 2873: return '';
1.24 albertel 2874: }
2875:
1.25 albertel 2876: sub end_preduedate {
1.159 albertel 2877: return '';
1.24 albertel 2878: }
2879:
1.369 foxr 2880: # In all the modes where <postanswerdate> text is
2881: # displayable, all we do is eat up the text between the start/stop
2882: # tags if the conditions are not right to display it.
1.25 albertel 2883: sub start_postanswerdate {
1.326 albertel 2884: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 2885: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
2886: &Apache::lonnet::allowed('pav',
2887: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 2888: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 2889: $target eq 'tex' ) {
1.300 albertel 2890: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 2891: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
2892: (($target eq 'tex') && !$pav)) {
1.326 albertel 2893: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 2894: }
2895: }
2896: return '';
1.24 albertel 2897: }
2898:
1.25 albertel 2899: sub end_postanswerdate {
1.159 albertel 2900: return '';
1.24 albertel 2901: }
2902:
1.25 albertel 2903: sub start_notsolved {
1.326 albertel 2904: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2905: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 2906: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 2907: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
2908: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 2909: if ($gradestatus =~ /^correct/ &&
2910: &Apache::response::show_answer()) {
1.159 albertel 2911: &Apache::lonxml::debug("skipping");
1.326 albertel 2912: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 2913: }
1.24 albertel 2914: }
1.159 albertel 2915: return '';
1.24 albertel 2916: }
2917:
1.25 albertel 2918: sub end_notsolved {
1.159 albertel 2919: return '';
1.24 albertel 2920: }
2921:
2922: sub start_solved {
1.326 albertel 2923: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2924: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2925: $target eq 'tex') {
2926: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 2927: if ($gradestatus !~ /^correct/ ||
2928: !&Apache::response::show_answer()) {
1.326 albertel 2929: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 2930: }
1.24 albertel 2931: }
1.159 albertel 2932: return '';
1.24 albertel 2933: }
2934:
2935: sub end_solved {
1.248 albertel 2936: return '';
2937: }
2938:
2939: sub start_problemtype {
1.326 albertel 2940: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 2941: my $result;
1.339 albertel 2942: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2943: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 2944: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
2945: if (!defined($mode)) { $mode='show'; }
2946: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
2947: my $found=0;
2948: foreach my $type (split(',',$for)) {
2949: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
2950: }
2951: if ($mode eq 'show' && !$found) {
1.326 albertel 2952: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 2953: }
2954: if ($mode eq 'hide' && $found) {
1.326 albertel 2955: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 2956: }
2957: } elsif ($target eq 'edit') {
2958: $result .=&Apache::edit::tag_start($target,$token);
2959: $result.=&Apache::edit::select_arg('Mode:','mode',
2960: [['show','Show'],
2961: ['hide','Hide']]
2962: ,$token);
2963: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 2964: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 2965: ['survey','Survey'],
1.465 raeburn 2966: ['surveycred','Survey (with credit)'],
2967: ['anonsurvey','Anonymous Survey'],
2968: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 2969: ['problem','Homework Problem'],
1.479 raeburn 2970: ['practice','Practice Problem'],
2971: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 2972: ,$token);
2973: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2974: } elsif ($target eq 'modified') {
2975: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2976: $safeeval,'mode','for');
2977: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2978: }
2979: return $result;
2980: }
2981:
2982: sub end_problemtype {
1.159 albertel 2983: return '';
1.24 albertel 2984: }
1.34 albertel 2985:
2986: sub start_startouttext {
1.159 albertel 2987: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2988: my @result=(''.'');
2989: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 2990:
2991: my $nesting =
2992: &Apache::lonxml::set_state('outtext',
2993: &Apache::lonxml::get_state('outtext')+1);
2994: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
2995: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
2996: }
1.159 albertel 2997: return (@result);
1.34 albertel 2998: }
1.159 albertel 2999:
1.34 albertel 3000: sub end_startouttext {
1.326 albertel 3001: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3002: my $result='';
3003: my $text='';
3004: if ($target eq 'edit') {
1.424 foxr 3005: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3006: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3007: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3008: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3009: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3010: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3011: .'</span></td>'
1.550 ! raeburn 3012: .'<td><span id="math_'.$areaid.'">';
! 3013: if ($env{'environment.nocodemirror'}) {
! 3014: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
! 3015: } else {
! 3016: $result.=' ';
! 3017: }
! 3018: $result.='</span></td>'
1.474 raeburn 3019: .'<td>'
3020: .&Apache::edit::insertlist($target,$token)
3021: .'</td>'
1.515 golterma 3022: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3023: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3024: &Apache::edit::end_row().
1.362 albertel 3025: &Apache::edit::start_spanning_row()."\n".
1.255 www 3026: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3027: }
3028: if ($target eq 'modified') {
1.219 albertel 3029: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3030: }
3031: if ($target eq 'tex') {
3032: $result .= '\noindent ';
3033: }
3034: return $result;
1.34 albertel 3035: }
1.159 albertel 3036:
1.34 albertel 3037: sub start_endouttext {
1.159 albertel 3038: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3039: my $result='';
3040: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3041: if ($target eq "modified") {
3042: $result='<endouttext />'.
1.377 albertel 3043: &Apache::edit::handle_insertafter('startouttext');
3044: }
1.404 albertel 3045:
3046: my $nesting =
3047: &Apache::lonxml::set_state('outtext',
3048: &Apache::lonxml::get_state('outtext')-1);
3049: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3050: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3051: &Apache::lonxml::set_state('outtext', 0);
3052: }
1.159 albertel 3053: return $result;
1.34 albertel 3054: }
1.159 albertel 3055:
1.34 albertel 3056: sub end_endouttext {
1.159 albertel 3057: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3058: my @result=('','');
3059: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3060: return (@result);
1.34 albertel 3061: }
1.159 albertel 3062:
1.45 albertel 3063: sub delete_startouttext {
1.326 albertel 3064: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3065: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3066: my $text=$$parser['-1']->get_text("/endouttext");
3067: my $ntoken=$$parser['-1']->get_token();
3068: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3069: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3070: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3071: # they did the last time round
3072: &Apache::lonxml::increasedepth($ntoken);
3073: &Apache::lonxml::decreasedepth($ntoken);
3074: return 1;
1.193 www 3075: }
3076:
3077: sub start_simpleeditbutton {
3078: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3079: my $result='';
1.284 albertel 3080: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3081: ($target eq 'web') &&
1.330 albertel 3082: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3083: my $url=$env{'request.noversionuri'};
1.193 www 3084: $url=~s/\?.*$//;
1.367 albertel 3085: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3086: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3087: # $result='<p class="LC_warning">'
3088: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3089: # .&Apache::loncommon::help_open_topic('Caching')
3090: # .'</p>';
1.486 www 3091: $result.=&Apache::loncommon::head_subbox(
3092: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3093: .&Apache::lonhtmlcommon::add_item_funclist(
3094: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3095: .&mt('Edit').'</a>')
1.486 www 3096: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3097:
1.193 www 3098: }
3099: return $result;
3100: }
3101:
3102: sub end_simpleeditbutton {
3103: return '';
1.45 albertel 3104: }
1.34 albertel 3105:
1.428 raeburn 3106: sub practice_problem_header {
3107: return '<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
3108: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3109: '</span>';
3110: }
3111:
1.479 raeburn 3112: sub randomizetry_problem_header {
3113: my ($problemstatus,$reqtries) = @_;
3114: my ($header,$text);
3115: if ($reqtries > 1) {
3116: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3117: if (($problemstatus eq 'no') ||
3118: ($problemstatus eq 'no_feedback_ever')) {
3119: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3120: } else {
3121: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3122: }
3123: } else {
3124: $header = &mt('New Problem Variation Each Try');
3125: if (($problemstatus eq 'no') ||
3126: ($problemstatus eq 'no_feedback_ever')) {
3127: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3128:
3129: } else {
3130: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3131: }
3132: }
3133: return '<span class="LC_info"><h3>'.$header.'</h3></span>'.
3134: '<span class="LC_info">'.$text.'</span><hr />';
3135: }
3136:
3137: sub randomizetry_part_header {
3138: my ($problemstatus,$reqtries,$num) = @_;
3139: my ($header,$text);
3140: if ($reqtries eq 'none') {
3141: $header = &mt('No Question Variation');
3142: $text = &mt('For this question there will no new variation after a try.');
3143: } elsif ($reqtries > 1) {
3144: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3145: if (($problemstatus eq 'no') ||
3146: ($problemstatus eq 'no_feedback_ever')) {
3147: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3148: } else {
3149: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3150: }
3151: } else {
3152: $header = &mt('New Question Variation For Each Try');
3153: if (($problemstatus eq 'no') ||
3154: ($problemstatus eq 'no_feedback_ever')) {
3155: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3156: } else {
3157: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3158: }
3159: }
3160: my $output;
3161: if ($num > 1) {
3162: $output .= '<hr />';
3163: }
3164: $output .= '<span class="LC_info"><h4>'.$header.'</h4></span>'.
3165: '<span class="LC_info">'.$text.'</span><br /><br />';
3166: return $output;
3167: }
3168:
1.1 albertel 3169: 1;
3170: __END__
1.435 jms 3171:
3172: =pod
3173:
3174: =back
3175:
3176: =cut
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