Annotation of loncom/homework/structuretags.pm, revision 1.582
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.582 ! raeburn 4: # $Id: structuretags.pm,v 1.581 2023/11/27 22:44:20 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();
1.575 raeburn 65: use Apache::lonnavmaps;
1.267 albertel 66: use Time::HiRes qw( gettimeofday tv_interval );
1.571 raeburn 67: use HTML::Entities();
1.356 www 68: use lib '/home/httpd/lib/perl/';
69: use LONCAPA;
70:
1.78 harris41 71: BEGIN {
1.553 damieng 72: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','print','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startpartmarker','startouttext','endpartmarker','endouttext','simpleeditbutton','definetag'));
1.10 albertel 73: }
74:
1.500 foxr 75:
76: #---------------------------------------------------------------------------------
77: #
78: # This section of code deals with hyphenation management.
79: # We must do three things:
80: # - keep track fo the desired languages to alter the header.
81: # - provide hyphenation selection as needed by each language that appears in the
82: # text.
83: # - Provide the header text needed to make available the desired hyphenations.
84: #
85: #
86:
87: # Hash whose keys are the languages encountered in the document/resource.
88: #
89:
90: my %languages_required;
91: ##
92: # Given a language selection as input returns a chunk of LaTeX that
93: # selects the required hyphenator.
94: #
95: # @param language - the language being selected.
96: # @return string
97: # @retval The LaTeX needed to select the hyphenation appropriate to the language.
98: #
99: sub select_hyphenation {
100: my $language = shift;
101:
102: $language = &Apache::loncommon::latexlanguage($language); # Translate -> latex language.
103:
104: # If there is no latex language there's not much we can do:
105:
106: if ($language) {
107: &require_language($language);
108: my $babel_hyphenation = "\\selectlanguage{$language}";
109:
110: return $babel_hyphenation;
111: } else {
112: return '';
113: }
114: }
115: ##
116: # Selects hyphenation based on the current problem metadata.
117: # This requires that
118: # - There is a language metadata item set for the problem.
119: # - The language has a latex/babel hyphenation.
120: #
121: # @note: Uses &Apache::lonxml::request to locate the Uri associated with
122: # this problem.
123: # @return string (possibly empty).
124: # @retval If not empty an appropriate \selectlanguage{} directive.
125: #
126: sub select_metadata_hyphenation {
127: my $uri = $Apache::lonxml::request->uri;
128: my $language = &Apache::lonnet::metadata($uri, 'language');
129: my $latex_language = &Apache::loncommon::latexhyphenation($language);
130: if ($latex_language) {
131: return '\selectlanguage{'.$latex_language."}\n";
132: }
133: return ''; # no latex hyphenation or no lang metadata.
134: }
135:
136:
137: ##
138: # Clears the set of languages required by the document being rendered.
139: #
140: sub clear_required_languages {
141: %languages_required = ();
142: }
143: ##
144: # Allows an external client of this module to register a need for a language:
145: #
146: # @param LaTeX language required:
147: #
148: sub require_language {
149: my $language = shift;
150: $languages_required{$language} = 1;
151: }
152:
153: ##
154: # Provides the header for babel that indicates the languages
155: # the document requires.
156: # @return string
157: # @retval \usepackage[lang1,lang2...]{babel}
158: # @retval '' if there are no languages_required.
159: sub languages_header {
160: my $header ='';
161: my @languages = (keys(%languages_required));
162:
163: # Only generate the header if there are languages:
164:
165: if (scalar @languages) {
166: my $language_list = join(',', (@languages));
167: $header = '\usepackage['.$language_list."]{babel}\n";
168: }
169: return $header;
170: }
171:
172: #----------------------------------------------------------------------------------
173:
1.10 albertel 174: sub start_web {
1.326 albertel 175: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.383 albertel 176: if ($target ne 'edit' && $target ne 'modified') {
177: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
178: if ($target eq 'web' || $target eq 'webgrade') {
179: return $bodytext;
180: }
181: } elsif ($target eq "edit" ) {
182: my $bodytext =
183: &Apache::lonxml::get_all_text_unbalanced("/web",$parser);
184: my $result = &Apache::edit::tag_start($target,$token);
185: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
186: return $result;
187: } elsif ( $target eq "modified" ) {
188: return $token->[4].&Apache::edit::modifiedfield("/web",$parser);
1.159 albertel 189: }
190: return '';
1.10 albertel 191: }
192:
193: sub end_web {
1.44 ng 194: return '';
1.10 albertel 195: }
196:
1.553 damieng 197: sub start_print {
198: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
199: if ($target ne 'edit' && $target ne 'modified') {
200: if ($target ne 'tex') {
201: my $skip = &Apache::lonxml::get_all_text("/print",$parser,$style);
202: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
203: }
204: } elsif ($target eq "edit") {
205: my $bodytext = &Apache::lonxml::get_all_text_unbalanced("/print",$parser);
206: my $result = &Apache::edit::tag_start($target,$token);
207: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
208: return $result;
209: } elsif ($target eq "modified") {
210: return $token->[4].&Apache::edit::modifiedfield("/print",$parser);
211: }
212: return '';
213: }
214:
215: sub end_print {
216: return '';
217: }
218:
1.10 albertel 219: sub start_tex {
1.326 albertel 220: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.198 sakharuk 221: my $result='';
1.383 albertel 222: if ($target ne 'edit' && $target ne 'modified') {
223: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
224: if ($target eq 'tex') {
1.434 foxr 225:
226: # If inside a table, occurrences of \\ must be removed;
227: # else the table blows up.
228:
229: if (&Apache::londefdef::is_inside_of($tagstack, "table")) {
230: $bodytext =~ s/\\\\//g;
231: }
1.432 foxr 232: return $bodytext.'{}';
1.383 albertel 233: }
234: } elsif ($target eq "edit" ) {
235: my $bodytext =
236: &Apache::lonxml::get_all_text_unbalanced("/tex",$parser);
237: my $result = &Apache::edit::tag_start($target,$token);
238: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
239: return $result;
240: } elsif ( $target eq "modified" ) {
241: return $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
1.159 albertel 242: }
1.198 sakharuk 243: return $result;;
1.10 albertel 244: }
245:
246: sub end_tex {
1.44 ng 247: return '';
1.9 albertel 248: }
249:
1.400 albertel 250: sub homework_js {
1.531 raeburn 251: my ($postsubmit,$timeout);
252: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
1.546 raeburn 253: my $crstype = &Apache::loncommon::course_type();
254: if ($crstype eq 'Community') {
1.531 raeburn 255: $crstype = 'community';
1.546 raeburn 256: } elsif ($crstype eq 'Placement') {
257: $crstype = 'placement';
1.531 raeburn 258: } else {
259: if ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) {
260: $crstype = 'official';
261: } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.textbook'}) {
262: $crstype = 'textbook';
263: } else {
264: $crstype = 'unofficial';
265: }
266: }
267: $postsubmit = $env{'course.'.$env{'request.course.id'}.'.internal.postsubmit'};
268: if ($postsubmit eq '') {
269: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
270: $postsubmit = $domdefs{'postsubmit'};
271: unless ($postsubmit eq 'off') {
272: $timeout = $domdefs{$crstype.'postsubtimeout'};
273: }
274: } elsif ($postsubmit eq '0') {
275: $postsubmit = 'off';
276: } elsif ($postsubmit eq '1') {
277: $postsubmit = 'on';
278: $timeout = $env{'course.'.$env{'request.course.id'}.'.internal.postsubtimeout'};
279: if ($timeout eq '') {
280: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
281: $timeout = $domdefs{$crstype.'postsubtimeout'};
282: }
283: }
284: if ($timeout eq '') {
285: $timeout = 60;
286: }
287: } else {
288: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'request.role.domain'});
289: $postsubmit = $domdefs{'postsubmit'};
290: unless ($postsubmit eq 'off') {
291: $timeout = 60;
292: }
293: }
294: my $jstimeout = 0;
295: if ($timeout) {
296: $jstimeout = 1000 * $timeout;
297: }
1.400 albertel 298: return &Apache::loncommon::resize_textarea_js().
1.527 golterma 299: &Apache::loncommon::colorfuleditor_js().
1.581 raeburn 300: &Apache::lonxml::setmode_javascript().
1.531 raeburn 301: <<"JS";
1.400 albertel 302: <script type="text/javascript">
1.483 raeburn 303: // <![CDATA[
1.494 raeburn 304: function setSubmittedPart (part,prefix) {
305: if (typeof(prefix) == 'undefined') {
306: this.document.lonhomework.submitted.value="part_"+part;
307: } else {
308: for (var i=0;i<this.document.lonhomework.elements.length;i++) {
309: if (this.document.lonhomework.elements[i].name == prefix+'submitted') {
310: this.document.lonhomework.elements[i].value="part_"+part;
311: }
312: }
313: }
1.400 albertel 314: }
315:
1.532 raeburn 316: function disableAutoComplete (id) {
317: var field = document.getElementById(id);
318: if (field != null && field != undefined){
319: if ('autocomplete' in field) {
320: field.autocomplete = "off";
321: } else {
322: field.setAttribute("autocomplete", "off");
323: }
324: }
325: }
326:
1.400 albertel 327: function image_response_click (which, e) {
328: init_geometry();
329: if (!e) { e = window.event; } //IE
330: var input_element = document.lonhomework.elements[which];
1.401 albertel 331: var token_element = document.lonhomework.elements[which+'_token'];
1.400 albertel 332: var token = token_element.value;
1.401 albertel 333: var img_element = document.getElementById(which+'_imageresponse');
1.400 albertel 334: var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
335: var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
336: var click = x+':'+y;
337: input_element.value = click;
1.485 raeburn 338: img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
1.400 albertel 339: }
1.520 raeburn 340:
341: var submithandled = 0;
1.521 raeburn 342: var keypresshandled = 0;
1.531 raeburn 343: var postsubmit = '$postsubmit';
1.520 raeburn 344:
1.531 raeburn 345: \$(document).ready(function(){
1.576 raeburn 346: if (postsubmit != 'off') {
1.531 raeburn 347: \$(document).keypress(function(event){
1.521 raeburn 348: var keycode = (event.keyCode ? event.keyCode : event.which);
349: if ((keycode == '13') && (keypresshandled == 0)) {
1.531 raeburn 350: if ( \$( document.activeElement ).hasClass("LC_textline") ) {
1.521 raeburn 351: keypresshandled = 1;
1.531 raeburn 352: var idsArray = \$( document.activeElement ).attr("id").split(/HWVAL_/);
1.521 raeburn 353: if (idsArray.length) {
354: event.preventDefault();
355: var itemsArray = idsArray[1].split(/_/);
356: var buttonId = idsArray[0]+'submit_'+itemsArray[0];
1.531 raeburn 357: \$("#"+buttonId).trigger("click");
1.521 raeburn 358: }
359: }
360: }
361: });
362:
1.531 raeburn 363: \$(document).delegate('form :submit', 'click', function( event ) {
364: if ( \$( this ).hasClass( "LC_hwk_submit" ) ) {
1.520 raeburn 365: var buttonId = this.id;
1.531 raeburn 366: var timeout = $jstimeout;
1.520 raeburn 367: if (submithandled == 0) {
368: submithandled = 1;
1.531 raeburn 369: \$( "#msg_"+buttonId ).css({"display": "inline","background-color": "#87cefa",
1.521 raeburn 370: "color": "black","padding": "2px"}) ;
1.563 raeburn 371: if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
1.522 raeburn 372: if (buttonId != "all_submit") {
1.531 raeburn 373: \$( ".LC_status_"+buttonId ).hide();
1.563 raeburn 374: }
375: if (( "#"+buttonId+"_pressed" ).length) {
376: \$( "#"+buttonId+"_pressed" ).val( "1" );
1.520 raeburn 377: }
1.522 raeburn 378: } else {
1.531 raeburn 379: \$( ".LC_status_"+buttonId ).hide();
1.520 raeburn 380: }
1.531 raeburn 381: \$(this.form).submit();
382: \$( ".LC_hwk_submit" ).prop( "disabled", true);
383: \$( ".LC_textline" ).prop( "readonly", "readonly");
1.520 raeburn 384: event.preventDefault();
1.531 raeburn 385:
386: if (timeout > 0) {
387: setTimeout(function(){
388: \$( "#msg_"+buttonId ).css({"display": "none"});
1.563 raeburn 389: if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
390: if (( "#"+buttonId+"_pressed" ).length) {
391: \$( "#"+buttonId+"_pressed" ).val( "" );
1.531 raeburn 392: }
393: }
394: \$( ".LC_hwk_submit" ).prop( "disabled", false);
395: \$( ".LC_textline" ).prop( "readonly", false);
396: submithandled = 0;
397: keypresshandled = 0;
398: }, timeout);
399: }
1.520 raeburn 400: return true;
401: }
402: }
403: });
1.531 raeburn 404: }
1.520 raeburn 405: });
406:
1.483 raeburn 407: // ]]>
1.400 albertel 408: </script>
409: JS
410: }
411:
1.48 albertel 412: sub page_start {
1.345 albertel 413: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
414: $extra_head)=@_;
1.159 albertel 415: my %found;
1.207 albertel 416: foreach my $taginside (@$tagstack) {
1.159 albertel 417: foreach my $taglookedfor ('html','body','form') {
418: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
419: }
420: }
421:
1.343 albertel 422: if ($target eq 'tex') {
423: return
424: &Apache::londefdef::start_html($target,$token,$tagstack,
425: $parstack,$parser,$safeeval);
426: }
427:
1.474 raeburn 428: $extra_head .= &homework_js().
429: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
430: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1.550 raeburn 431: my %textarea_args;
432: if (($env{'request.state'} ne 'construct') ||
1.579 raeburn 433: (&Apache::loncommon::nocodemirror())) {
1.550 raeburn 434: %textarea_args = (
1.474 raeburn 435: dragmath => 'math',
436: );
1.550 raeburn 437: }
1.474 raeburn 438: $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
1.425 raeburn 439: }
1.478 raeburn 440: my $is_task = ($env{'request.uri'} =~ /\.task$/);
1.528 raeburn 441: my ($needs_upload,$partlist);
1.495 raeburn 442: my ($symb)= &Apache::lonnet::whichuser();
443: my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
1.478 raeburn 444: if ($is_task) {
1.495 raeburn 445: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
1.493 raeburn 446: } else {
447: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.uploadedfiletypes") ne '') {
1.495 raeburn 448: unless ($env{'request.state'} eq 'construct') {
449: my $navmap = Apache::lonnavmaps::navmap->new();
450: if (ref($navmap)) {
451: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 452: my $is_page;
453: if (ref($mapres)) {
454: $is_page = $mapres->is_page();
455: }
456: unless ($is_page) {
1.495 raeburn 457: $needs_upload = 1;
458: }
1.528 raeburn 459: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
460: my $res = $navmap->getBySymb($symb);
461: if (ref($res)) {
462: $partlist = $res->parts();
463: }
464: }
1.495 raeburn 465: }
466: }
1.493 raeburn 467: } else {
468: unless ($env{'request.state'} eq 'construct') {
469: my $navmap = Apache::lonnavmaps::navmap->new();
470: if (ref($navmap)) {
1.495 raeburn 471: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 472: my $is_page;
473: if (ref($mapres)) {
474: $is_page = $mapres->is_page();
475: }
1.528 raeburn 476: if ($is_page) {
477: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
478: my $res = $navmap->getBySymb($symb);
479: if (ref($res)) {
480: $partlist = $res->parts();
481: }
482: }
483: } else {
1.495 raeburn 484: my $res = $navmap->getBySymb($symb);
485: if (ref($res)) {
1.528 raeburn 486: $partlist = $res->parts();
1.495 raeburn 487: if (ref($partlist) eq 'ARRAY') {
488: foreach my $part (@{$partlist}) {
489: my @types = $res->responseType($part);
490: my @ids = $res->responseIds($part);
491: for (my $i=0; $i < scalar(@ids); $i++) {
492: if ($types[$i] eq 'essay') {
493: my $partid = $part.'_'.$ids[$i];
494: if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
495: $needs_upload = 1;
496: last;
497: }
1.493 raeburn 498: }
499: }
500: }
1.495 raeburn 501: }
502: }
1.493 raeburn 503: }
504: }
505: }
506: }
1.495 raeburn 507: if ($needs_upload) {
1.538 musolffc 508: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js()
509: .'<script type="text/javascript"
510: src="/res/adm/includes/file_upload.js"></script>';
1.495 raeburn 511: }
1.478 raeburn 512: }
1.425 raeburn 513:
1.344 albertel 514: my %body_args;
515: if (defined($found{'html'})) {
516: $body_args{'skip_phases'}{'head'}=1;
517: } else {
1.343 albertel 518:
1.345 albertel 519: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 520:
1.379 albertel 521: $extra_head .= &Apache::londefdef::generate_css_links();
522:
1.384 albertel 523: if ($env{'request.state'} eq 'construct') {
1.343 albertel 524: $extra_head.=&Apache::edit::js_change_detection().
525: "<script type=\"text/javascript\">\n".
526: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
527: &Apache::loncommon::browser_and_searcher_javascript().
528: "\n</script>\n";
1.525 raeburn 529: if ($target eq 'edit') {
530: $extra_head .= &Apache::edit::js_update_linknum();
531: }
1.343 albertel 532: }
1.159 albertel 533: }
1.343 albertel 534:
1.446 bisitz 535: my $pageheader = '';
1.344 albertel 536: if (defined($found{'body'})) {
537: $body_args{'skip_phases'}{'body'}=1;
538: } elsif (!defined($found{'body'})
539: && $env{'request.state'} eq 'construct') {
1.343 albertel 540: if ($target eq 'web' || $target eq 'edit') {
1.542 raeburn 541: unless ($env{'form.inhibitmenu'} eq 'yes') {
1.577 raeburn 542: my $text = 'Authoring Space';
543: my $href = &Apache::loncommon::authorspace($env{'request.uri'});
544: if ($env{'request.course.id'}) {
545: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
546: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
547: if ($href eq "/priv/$cdom/$cnum/") {
548: $text = &mt('Course Authoring Space');
549: }
550: }
1.542 raeburn 551: # Breadcrumbs for Authoring Space
552: &Apache::lonhtmlcommon::clear_breadcrumbs();
553: &Apache::lonhtmlcommon::add_breadcrumb({
1.577 raeburn 554: 'text' => $text,
555: 'href' => $href,
1.542 raeburn 556: });
557: # breadcrumbs (and tools) will be created
558: # in start_page->bodytag->innerregister
1.460 droeschl 559:
1.450 bisitz 560: # FIXME Where are we?
1.542 raeburn 561: # &Apache::lonhtmlcommon::add_breadcrumb({
562: # 'text' => 'Problem Editing', # 'Problem Testing'
563: # 'href' => '',
564: # });
565: $pageheader = &Apache::loncommon::head_subbox(
566: &Apache::loncommon::CSTR_pageheader());
567: }
568: }
1.272 albertel 569: } elsif (!defined($found{'body'})) {
1.343 albertel 570: my %add_entries;
1.159 albertel 571: my $background=&Apache::lonxml::get_param('background',$parstack,
572: $safeeval);
1.343 albertel 573: if ($background ne '' ) {
574: $add_entries{'background'} = $background;
575: }
1.344 albertel 576:
1.290 albertel 577: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
578: $safeeval);
1.446 bisitz 579: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
1.344 albertel 580:
1.446 bisitz 581: $body_args{'bgcolor'} = $bgcolor;
582: # $body_args{'no_title'} = 1;
583: $body_args{'force_register'} = 1;
584: $body_args{'add_entries'} = \%add_entries;
1.466 droeschl 585: if ( $env{'request.state'} eq 'construct') {
1.446 bisitz 586: $body_args{'only_body'} = 1;
1.518 raeburn 587: } elsif ($target eq 'web') {
588: $body_args{'print_suppress'} = 1;
1.446 bisitz 589: }
1.344 albertel 590: }
1.365 albertel 591: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 592: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
593: \%body_args);
1.446 bisitz 594: $page_start .= $pageheader;
1.462 raeburn 595: if (!defined($found{'body'})
596: && $env{'request.state'} ne 'construct'
597: && ($target eq 'web' || $target eq 'webgrade')) {
598:
599: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
600: if ($symb eq '' && !$publicuser) {
601: $page_start .= '<p class="LC_info">'
602: .&mt('Browsing resource, all submissions are temporary.')
603: .'</p>';
1.457 bisitz 604: }
1.344 albertel 605: }
606:
1.409 albertel 607: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 608: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 609: }
610: my $form_tag_start;
611: if (!defined($found{'form'})) {
1.337 albertel 612: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.465 raeburn 613: my $uri = &Apache::loncommon::inhibit_menu_check(
1.455 droeschl 614: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.464 raeburn 615: $uri = &HTML::Entities::encode($uri,'<>&"');
1.327 albertel 616: $form_tag_start.=$uri.'" ';
617: if ($target eq 'edit') {
618: $form_tag_start.=&Apache::edit::form_change_detection();
619: }
1.493 raeburn 620: my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
621: my ($path,$multiresp) =
622: &Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom);
1.574 raeburn 623: if ($env{'request.user_in_effect'}) {
624: $form_tag_start .= ' onsubmit="preventDefault();"';
625: } elsif (($is_task) || ($needs_upload)) {
1.495 raeburn 626: $form_tag_start .= ' onsubmit="return file_submission_check(this,'."'$path','$multiresp'".');"';
1.478 raeburn 627: }
1.368 albertel 628: $form_tag_start.='>'."\n";
1.355 albertel 629:
630: if ($symb =~ /\S/) {
631: $symb=
632: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
633: $form_tag_start.=
1.368 albertel 634: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 635: }
1.159 albertel 636: }
1.528 raeburn 637: return ($page_start,$form_tag_start,$partlist);
1.105 albertel 638: }
639:
1.141 matthew 640: #use Time::HiRes();
1.105 albertel 641: sub get_resource_name {
1.159 albertel 642: my ($parstack,$safeeval)=@_;
1.388 foxr 643: my $name;
1.204 albertel 644: if (defined($Apache::lonhomework::name)) {
1.388 foxr 645: $name = $Apache::lonhomework::name;
646: } else {
647: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 648: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 649: if ($name eq '') {
650: $name=&Apache::lonnet::EXT('resource.title');
651: if ($name eq 'con_lost') { $name = ''; }
652: }
653: if ($name!~/\S+/) {
654: $name=$env{'request.uri'};
655: $name=~s-.*/([^/]+)$-$1-;
656: }
657: # The name has had html tags escaped:
658:
659: $name=~s/</</gs;
660: $name=~s/>/>/gs;
661:
662: $Apache::lonhomework::name=$name;
1.204 albertel 663: }
1.159 albertel 664: return $name;
1.105 albertel 665: }
666:
667: sub setup_rndseed {
1.570 raeburn 668: my ($safeeval,$target,$probpartlist,$prevparttype)=@_;
1.367 albertel 669: my ($symb)=&Apache::lonnet::whichuser();
1.564 raeburn 670: my ($questiontype,$set_safespace,$rndseed,$numtries,$reqtries);
1.479 raeburn 671: if ($target eq 'analyze') {
672: $questiontype = $env{'form.grade_questiontype'};
673: }
674: unless (defined($questiontype)) {
675: $questiontype = $Apache::lonhomework::type;
676: }
1.564 raeburn 677: if ($Apache::lonhomework::type eq 'randomizetry') {
678: my $partfortries = $Apache::inputtags::part;
1.568 raeburn 679: #
680: # Where question type is "randomizetry" for a problem containing
681: # a single part (and unless type is explicitly set to not be
682: # "randomizetry" for that part), the number of tries used to
683: # determine randomization will be for that part, and randomization
684: # from calls to &random() in a perl script block before the part tag,
685: # will change based on the number of tries, and value of the
686: # "randomizeontries" parameter in effect for the single part.
687: #
1.564 raeburn 688: if (ref($probpartlist) eq 'ARRAY') {
1.568 raeburn 689: if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $partfortries)) {
690: if (&Apache::lonnet::EXT('resource.'.$probpartlist->[0].'.type') eq 'randomizetry') {
1.566 raeburn 691: $partfortries = $probpartlist->[0];
692: } else {
693: $partfortries = '';
694: }
1.564 raeburn 695: }
696: }
1.566 raeburn 697: if ($partfortries ne '') {
698: $numtries = $Apache::lonhomework::history{"resource.$partfortries.tries"};
699: $reqtries = &Apache::lonnet::EXT("resource.$partfortries.randomizeontries");
700: }
1.564 raeburn 701: }
1.555 raeburn 702: if (($env{'request.state'} eq "construct")
703: || ($symb eq '')
704: || ($Apache::lonhomework::type eq 'practice')
705: || ($Apache::lonhomework::history{'resource.CODE'})
706: || (($env{'form.code_for_randomlist'}) && ($target eq 'analyze'))) {
1.316 www 707: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 708: ['rndseed']);
1.284 albertel 709: $rndseed=$env{'form.rndseed'};
1.159 albertel 710: if (!$rndseed) {
1.162 albertel 711: $rndseed=$Apache::lonhomework::history{'rndseed'};
712: if (!$rndseed) {
713: $rndseed=time;
714: }
1.555 raeburn 715: unless ($env{'form.code_for_randomlist'}) {
716: $env{'form.rndseed'}=$rndseed;
717: }
1.162 albertel 718: }
1.576 raeburn 719: if ((($env{'request.state'} eq "construct") || ($symb eq '')) &&
1.479 raeburn 720: ($Apache::lonhomework::type eq 'randomizetry')) {
1.564 raeburn 721: if ($numtries) {
722: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
723: my $inc = int($numtries/$reqtries);
724: $rndseed += $inc;
725: } else {
726: $rndseed += $numtries;
727: }
1.479 raeburn 728: }
1.480 raeburn 729: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.479 raeburn 730: }
1.551 damieng 731: if ( ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 732: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 733: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 734: srand(time);
735: $rndseed=int(rand(2100000000));
1.284 albertel 736: $env{'form.rndseed'}=$rndseed;
737: delete($env{'form.resetdata'});
738: delete($env{'form.newrandomization'});
1.159 albertel 739: }
1.488 www 740: $rndseed=~s/\,/\:/g;
741: $rndseed=~s/[^\w\d\:\-]//g;
1.489 www 742: if (defined($rndseed)) {
743: my ($c1,$c2)=split(/\:/,$rndseed);
744: unless ($c2) { $c2=0; }
745: unless (($c1==int($c1)) && ($c2==int($c2))) {
746: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
747: }
1.187 albertel 748: }
1.555 raeburn 749: if (($env{'form.code_for_randomlist'}) && ($target eq 'analyze')) {
750: $env{'form.CODE'} = $env{'form.code_for_randomlist'};
751: $rndseed=&Apache::lonnet::rndseed();
752: undef($env{'form.CODE'});
753: } elsif ($Apache::lonhomework::history{'resource.CODE'}) {
1.247 albertel 754: $rndseed=&Apache::lonnet::rndseed();
755: }
1.479 raeburn 756: $set_safespace = 1;
757: } elsif ($questiontype eq 'randomizetry') {
758: if ($target eq 'analyze') {
759: if (defined($env{'form.grade_rndseed'})) {
760: $rndseed = $env{'form.grade_rndseed'};
761: }
762: }
763: unless (($target eq 'analyze') && (defined($rndseed))) {
764: $rndseed=&Apache::lonnet::rndseed();
1.564 raeburn 765: my $curr_try = $numtries;
1.479 raeburn 766: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
767: $curr_try ++;
768: }
769: if ($rndseed =~/^(\d+)[,:](\d+)$/) {
770: $rndseed = $1;
771: }
772: if ($curr_try) {
773: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
774: my $inc = int(($curr_try-1)/$reqtries);
775: $rndseed += $inc;
776: } else {
777: $rndseed += $curr_try;
778: }
779: }
780: }
781: $set_safespace = 1;
1.528 raeburn 782: if ($target eq 'grade') {
783: $Apache::lonhomework::rawrndseed = $rndseed;
784: }
1.570 raeburn 785: } elsif ($prevparttype eq 'randomizetry') {
786: if ($env{'form.0.rndseed'} ne '') {
787: $set_safespace = 1;
788: $rndseed = $env{'form.0.rndseed'};
789: }
1.479 raeburn 790: }
791: if ($set_safespace) {
792: if ($safeeval) {
793: &Apache::lonxml::debug("Setting rndseed to $rndseed");
794: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.569 raeburn 795: if (($Apache::lonhomework::type eq 'randomizetry') || ($prevparttype eq 'randomizetry')) {
796: &Apache::lonxml::debug("Setting randomizetrypart to $Apache::inputtags::part");
797: &Apache::run::run('$external::randomizetrypart="'.$Apache::inputtags::part.'";',$safeeval);
798: }
1.479 raeburn 799: }
800: }
801: unless (($env{'request.state'} eq "construct") || ($symb eq '')) {
802: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.159 albertel 803: }
804: return $rndseed;
1.105 albertel 805: }
806:
1.268 albertel 807: sub remember_problem_state {
808: return '
1.284 albertel 809: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
810: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
811: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 812: }
813:
1.487 www 814: sub problem_edit_action_button {
815: my ($name,$action,$accesskey,$text,$flag)=@_;
816: my $actionscript="setmode(this.form,'$action')";
817: return "\n<input type='button' name='$name' accesskey='$accesskey' value='".&mt($text)."'".
818: ($flag?&Apache::edit::submit_ask_anyway($actionscript):&Apache::edit::submit_dont_ask($actionscript))." />";
819: }
820:
1.423 www 821: sub problem_edit_buttons {
1.487 www 822: my ($mode)=@_;
1.580 raeburn 823: my %editors = &Apache::loncommon::permitted_editors();
1.535 droeschl 824: # Buttons that save
825: my $result = '<div style="float:right">';
826: if ($mode eq 'editxml') {
1.580 raeburn 827: if ($editors{'xml'}) {
828: $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
829: }
1.535 droeschl 830: $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
831: } else {
1.580 raeburn 832: if ($editors{'edit'}) {
833: $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
834: }
1.535 droeschl 835: $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
836: }
837: $result.="\n</div>\n";
1.487 www 838: # Buttons that do not save
1.535 droeschl 839: $result .= '<div>'.
1.487 www 840: &problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
841: if ($mode eq 'editxml') {
1.580 raeburn 842: if ($editors{'edit'}) {
843: $result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
844: }
1.582 ! raeburn 845: if ($editors{'daxe'}) {
! 846: $result.=&problem_edit_action_button('subdaxe','daxe','w','Edit with Daxe',1);
! 847: }
1.487 www 848: $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
1.579 raeburn 849: if (&Apache::loncommon::nocodemirror()) {
1.550 raeburn 850: $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
851: }
1.487 www 852: } else {
1.580 raeburn 853: if ($editors{'xml'}) {
854: $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
855: }
1.582 ! raeburn 856: if ($editors{'daxe'}) {
! 857: $result.=&problem_edit_action_button('subdaxe','daxe','w','Edit with Daxe',1);
! 858: }
1.487 www 859: $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
860: }
861: $result.="\n</div>";
862: return $result;
1.423 www 863: }
864:
865: sub problem_edit_header {
1.527 golterma 866: my ($mode)=@_;
867: my $return = '<input type="hidden" name="submitted" value="edit" />'.
1.487 www 868: &remember_problem_state('edit').'
1.527 golterma 869: <div class="LC_edit_problem_header">
870: <div class="LC_edit_problem_header_title">
871: '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
872: </div><div class="LC_edit_actionbar" id="actionbar">'.
873: '<input type="hidden" name="problemmode" value="saveedit" />'.
874: &problem_edit_buttons();
875:
1.535 droeschl 876: $return .= '</div></div>' . &Apache::lonxml::message_location();
1.527 golterma 877: $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />
878: <script type="text/javascript" src="/adm/codemirror/codemirror-compressed-colorful.js"></script>';
879:
880: $return .= '<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
881: <script type="text/javascript">
882: // unless internet explorer
883: if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode || document.compatMode))){
884: $(document).ready(
885: function() {
886: $(\'.LC_edit_actionbar\').scrollToFixed(
887: {
888: fixed: function(){
1.535 droeschl 889: //$(this).find(\'.LC_edit_actionbar\').css(\'height\', \'31px\');
890: $(this).find(\'.LC_edit_actionbar\');
1.527 golterma 891: }
892: }
893: );
894: }
895: );
896: }
897: </script>
898: <table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
899: return $return;
1.105 albertel 900: }
901:
902: sub problem_edit_footer {
1.527 golterma 903: my $resource = $env{'request.ambiguous'};
1.412 albertel 904: return '</td></tr></table><br />
905: <div class="LC_edit_problem_footer">
1.453 bisitz 906: <hr />'.
1.423 www 907: &problem_edit_buttons().'
1.459 bisitz 908: <hr style="clear:both;" />
1.527 golterma 909: <script type="text/javascript">
910: restoreState("'.$resource.'");
911: restoreScrollPosition("'.$resource.'");
912: </script>
1.412 albertel 913: </div>
914: '.
1.342 albertel 915: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 916: }
917:
1.235 albertel 918: sub option {
919: my ($value,$name) = @_;
920: my $result ="<option value='".$value."' ";
1.284 albertel 921: if ($env{'form.'.$name} eq $value) {
1.235 albertel 922: $result.=" selected='on' ";
923: }
924: $result.='>';
925: return $result;
926: }
927:
1.105 albertel 928: sub problem_web_to_edit_header {
1.159 albertel 929: my ($rndseed)=@_;
1.580 raeburn 930: my %editors = &Apache::loncommon::permitted_editors();
1.406 albertel 931: my $result .= '<div class="LC_edit_problem_header">';
932:
933: if (!$Apache::lonhomework::parsing_a_task) {
934: $result .=
935: '<div class="LC_edit_problem_header_title">'.
936: &mt('Problem Testing').
937: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
938: '</div>';
939: } else {
940: $result .=
941: '<div class="LC_edit_problem_header_title">'.
942: &mt('Task Testing').
943: '</div>';
944: }
945:
1.315 albertel 946: my $show_all_foils_text =
947: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 948: &mt('Show All Instances')
949: : &mt('Show All Foils');
1.315 albertel 950:
1.452 bisitz 951: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
952: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 953: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 954: $show_all.= ' /> '.$show_all_foils_text
955: .'</label></span>';
1.406 albertel 956:
957:
1.384 albertel 958:
1.406 albertel 959: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 960: if (!$Apache::lonhomework::parsing_a_task) {
961: $result.="
1.406 albertel 962: <div class='LC_edit_problem_header_row1'>
963: <span class=\"LC_nobreak\">
1.405 albertel 964: ".&mt("Problem Status:")."
1.235 albertel 965: <select name='problemstate'>
1.270 albertel 966: <option value=''></option>
1.235 albertel 967: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
968: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
969: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
970: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
971: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
972: </select>
1.406 albertel 973: </span>
974: <span class=\"LC_nobreak\">
1.405 albertel 975: ".&mt("Problem Type:")."
1.235 albertel 976: <select name='problemtype'>
1.270 albertel 977: <option value=''></option>
1.509 bisitz 978: ".&option('exam' ,'problemtype').&mt("Bubblesheet Exam Problem")."</option>
1.428 raeburn 979: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 980: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 981: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
982: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
983: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 984: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.479 raeburn 985: ".&option('randomizetry' ,'problemtype').&mt("New Randomization Each Try")."</option>
1.235 albertel 986: </select>
1.406 albertel 987: </span>
988: $show_all
989: </div>
990: <div class='LC_edit_problem_header_row2'>
991: <span class=\"LC_nobreak\">
1.405 albertel 992: ".&mt("Feedback Mode:")."
1.235 albertel 993: <select name='problemstatus'>
994: <option value=''></option>
1.242 albertel 995: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.517 bisitz 996: ".&option('no', 'problemstatus').&mt("Don't Show Incorrect/Correct Feedback")."</option>
1.405 albertel 997: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 998: </select>
1.406 albertel 999: </span>
1000: ";
1001:
1.376 albertel 1002: } elsif ($Apache::lonhomework::parsing_a_task) {
1003: $result.="
1.406 albertel 1004: <div class='LC_edit_problem_header_row1'>
1005: <span class=\"LC_nobreak\">
1.405 albertel 1006: ".&mt("Problem Status:")."
1.376 albertel 1007: <select name='problemstate'>
1008: <option value=''></option>
1009: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
1010: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
1011: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
1012: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
1013: </select>
1.406 albertel 1014: </span>
1015: $show_all
1016: ";
1017: }
1018: $result.='
1019: <span class="LC_nobreak">
1020: '.&mt('Apply style file: ').'
1021: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
1022: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
1023: </span>
1.422 www 1024: </div>
1025: <div class="LC_edit_problem_header_row1">'.
1026: &Apache::lonxml::renderingoptions().'
1.406 albertel 1027: </div>
1028: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
1029: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
1.551 damieng 1030: <button type="submit" name="resetdata" accesskey="r" value="reset_submissions">
1031: '.&mt('Reset Submissions').'</button>
1.406 albertel 1032: </div>
1.453 bisitz 1033: <hr />
1.406 albertel 1034: <div class="LC_edit_problem_header_randomize_row">
1035: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
1036: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 1037: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 1038: $rndseed.'"
1039: onchange="javascript:document.lonhomework.changerandseed.click()" />';
1040:
1041: if (!$Apache::lonhomework::parsing_a_task) {
1042: my $numtoanalyze=$env{'form.numtoanalyze'};
1043: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 1044: $result .= '<span class="LC_nobreak">'.
1045: &mt('[_1] for [_2] versions.',
1.416 raeburn 1046: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 1047: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
1048: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 1049: $numtoanalyze.'" size="5" />').
1050: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
1051: '</span>';
1052:
1.313 albertel 1053: }
1.406 albertel 1054:
1055: $result.='
1056: </div>
1.453 bisitz 1057: <hr />
1.447 bisitz 1058: <div>';
1.416 raeburn 1059: $result.='<input type="hidden" name="problemmode" value="view" />';
1.580 raeburn 1060: if ($editors{'edit'}) {
1061: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
1062: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
1063: }
1064: if ($editors{'xml'}) {
1065: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
1066: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1067: }
1068: if (($editors{'daxe'}) &&
1069: ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9)) {
1.541 damieng 1070: my $uri = $env{'request.uri'};
1.543 damieng 1071: my $daxeurl = '/daxepage'.$uri;
1.582 ! raeburn 1072: $result .= '<input type="button" accesskey="w" value="'.&mt('Edit with Daxe').'" '.
! 1073: 'onclick="javascript:setmode(this.form,'."'daxe'".')" />';
1.541 damieng 1074: }
1.408 albertel 1075: $result.='
1076: </div>
1.453 bisitz 1077: <hr />
1.409 albertel 1078: '.&Apache::lonxml::message_location().'
1.406 albertel 1079: </div>';
1.159 albertel 1080: return $result;
1.48 albertel 1081: }
1082:
1.65 albertel 1083: sub initialize_storage {
1.357 albertel 1084: my ($given_symb) = @_;
1.353 albertel 1085: undef(%Apache::lonhomework::results);
1086: undef(%Apache::lonhomework::history);
1.357 albertel 1087: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1088: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 1089:
1090: # anonymous users (CODEd exams) have no data
1091: if ($name eq 'anonymous'
1092: && !defined($domain)) {
1093: return;
1094: }
1095:
1.333 albertel 1096: if ($env{'request.state'} eq 'construct'
1097: || $symb eq ''
1098: || $Apache::lonhomework::type eq 'practice') {
1099:
1100: my $namespace = $symb || $env{'request.uri'};
1.551 damieng 1101: if ($env{'form.resetdata'} eq 'reset_submissions' ||
1102: ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 1103: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 1104: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1105: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
1106: &Apache::lonxml::debug("Attempt reset");
1107: }
1.159 albertel 1108: %Apache::lonhomework::history=
1.333 albertel 1109: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.576 raeburn 1110: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1111: &Apache::lonxml::debug("Return message of $temp");
1112: } else {
1113: %Apache::lonhomework::history=
1114: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1115: }
1.353 albertel 1116:
1.159 albertel 1117: #ignore error conditions
1.526 raeburn 1118: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1119: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 1120: }
1121:
1.435 jms 1122: =pod
1123:
1124: =item finalize_storage()
1125:
1.524 raeburn 1126: Stores away the result hash to a student's environment;
1.523 raeburn 1127: checks form.grade_ for specific values, otherwise stores
1128: to the running user's environment.
1.524 raeburn 1129:
1130: &check_correctness_changes() is called in two circumstances
1131: in which the results hash is to be stored permanently, for
1132: grading triggered by a student's submission, where feedback on
1.576 raeburn 1133: correctness is to be provided to the student.
1.524 raeburn 1134:
1135: 1. Immediately prior to storing the results hash
1136:
1.576 raeburn 1137: To handle the case where a student's submission (and award) were
1.524 raeburn 1138: stored after history was retrieved in &initialize_storage(), e.g.,
1.576 raeburn 1139: if a student submitted answers in quick succession (e.g., from
1.524 raeburn 1140: multiple tabs). &Apache::inputtags::hidealldata() is called for
1141: any parts with out-of-order storage (i.e., correct then incorrect,
1142: where awarded >= 1 when correct).
1143:
1144: 2. Immediately after storing the results hash
1145:
1146: To handle the case where lond on the student's homeserver returns
1147: delay:N -- where N is the number of transactions between the last
1148: retrieved in &initialize_storage() and the last stored immediately
1.576 raeburn 1149: before permanent storage of the current transaction via
1150: lond::store_handler(). &Apache::grades::makehidden() is called
1.524 raeburn 1151: for any parts with out-of-order storage (i.e., correct then incorrect,
1152: where awarded >= 1 when correct).
1153:
1.576 raeburn 1154: Will call &store_aggregates() to increment totals for attempts,
1.524 raeburn 1155: students, and corrects, if running user has student role.
1156:
1.435 jms 1157: =cut
1158:
1159:
1.65 albertel 1160: sub finalize_storage {
1.357 albertel 1161: my ($given_symb) = @_;
1.159 albertel 1162: my $result;
1.289 albertel 1163: if (%Apache::lonhomework::results) {
1.323 albertel 1164: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
1165: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 1166: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1167: &Apache::lonnet::whichuser($given_symb);
1.575 raeburn 1168: my ($passback,$pbscope,$pbmap,$pbsymb,$pbtype,$crsdef,$ltinum,
1169: $ltiref,$total,$possible,$dopassback);
1.333 albertel 1170: if ($env{'request.state'} eq 'construct'
1171: || $symb eq ''
1172: || $Apache::lonhomework::type eq 'practice') {
1173: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 1174: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 1175: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 1176: $namespace,'',$domain,$name);
1.159 albertel 1177: &Apache::lonxml::debug('Construct Store return message:'.$result);
1178: } else {
1.560 raeburn 1179: my ($laststore,$checkedparts,@parts,%postcorrect,%record);
1.524 raeburn 1180: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1181: (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
1182: (!defined($env{'form.grade_courseid'}))) {
1.575 raeburn 1183: if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) {
1.560 raeburn 1184: my ($map)=&Apache::lonnet::decode_symb($symb);
1185: $map = &Apache::lonnet::clutter($map);
1.575 raeburn 1186: if ($env{'request.lti.login'}) {
1.576 raeburn 1187: ($passback,$pbscope,$pbmap,$pbsymb,$ltinum,$ltiref) =
1.575 raeburn 1188: &needs_lti_passback($courseid,$symb,$map);
1189: } elsif ($env{'request.deeplink.login'}) {
1190: ($passback,$pbscope,$pbmap,$pbsymb,$crsdef,$ltinum,$ltiref) =
1191: &needs_linkprot_passback($courseid,$symb,$map);
1192: }
1.560 raeburn 1193: }
1.524 raeburn 1194: if ($Apache::lonhomework::history{'version'}) {
1195: $laststore = $Apache::lonhomework::history{'version'}.'='.
1196: $Apache::lonhomework::history{'timestamp'};
1197: } else {
1198: $laststore = '0=0';
1199: }
1.560 raeburn 1200: %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1.524 raeburn 1201: if ($record{'version'}) {
1202: my ($newversion,$oldversion,$oldtimestamp);
1203: if ($Apache::lonhomework::history{'version'}) {
1204: $oldversion = $Apache::lonhomework::history{'version'};
1205: $oldtimestamp = $Apache::lonhomework::history{'timestamp'};
1206: } else {
1207: $oldversion = 0;
1208: $oldtimestamp = 0;
1209: }
1210: if ($record{'version'} > $oldversion) {
1211: if ($record{'timestamp'} >= $oldtimestamp) {
1212: $laststore = $record{'version'}.'='.$record{'timestamp'};
1213: $newversion = $record{'version'} + 1;
1214: $checkedparts = 1;
1215: foreach my $key (keys(%Apache::lonhomework::results)) {
1216: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1217: my $part = $1;
1218: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1219: push(@parts,$part);
1220: }
1221: }
1222: }
1223: if (@parts) {
1224: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1225: \%record,\@parts,$newversion,
1226: $oldversion);
1227: if (@parts_to_hide) {
1228: foreach my $part (@parts_to_hide) {
1229: $postcorrect{$part} = 1;
1230: &Apache::inputtags::hidealldata($part);
1231: }
1232: }
1233: }
1234: }
1235: }
1236: }
1237: }
1.159 albertel 1238: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
1.524 raeburn 1239: $symb,$courseid,$domain,$name,$laststore);
1240: if ($result =~ /^delay\:(\d+)$/) {
1241: my $numtrans = $1;
1242: my ($oldversion) = split(/=/,$laststore);
1243: if ($numtrans) {
1244: my $newversion = $oldversion + 1 + $numtrans;
1245: my @possparts;
1246: if ($checkedparts) {
1247: foreach my $part (@parts) {
1248: unless ($postcorrect{$part}) {
1249: push(@possparts,$part);
1250: }
1251: }
1252: } else {
1253: foreach my $key (keys(%Apache::lonhomework::results)) {
1254: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1255: my $part = $1;
1256: unless ($postcorrect{$part}) {
1257: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1258: push(@possparts,$part);
1259: }
1260: }
1261: }
1262: }
1263: }
1264: if (@possparts) {
1265: my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1266: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1267: \%newrecord,\@possparts,$newversion,
1268: $oldversion);
1269: if (@parts_to_hide) {
1270: my $partslist = join(',',@parts_to_hide);
1271: &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1);
1272: }
1273: }
1274: }
1275: }
1.562 raeburn 1276: if ($passback) {
1277: foreach my $key (keys(%Apache::lonhomework::results)) {
1278: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1279: my $part = $1;
1280: if ((($Apache::lonhomework::results{$key} =~ /^correct_/) ||
1281: ($Apache::lonhomework::results{$key} eq 'incorrect_attempted')) &&
1282: ($Apache::lonhomework::results{"resource.$part.tries"})) {
1283: $dopassback = 1;
1284: last;
1285: }
1286: }
1287: }
1288: }
1.575 raeburn 1289: if (($dopassback) && ($pbscope eq 'resource') && ($pbsymb eq $symb)) {
1.560 raeburn 1290: $total = 0;
1291: $possible = 0;
1292: my $navmap = Apache::lonnavmaps::navmap->new();
1293: if (ref($navmap)) {
1294: my $res = $navmap->getBySymb($symb);
1295: if (ref($res)) {
1296: my $partlist = $res->parts();
1297: if (ref($partlist) eq 'ARRAY') {
1298: foreach my $part (@{$partlist}) {
1299: unless (exists($Apache::lonhomework::results{"resource.$part.solved"})) {
1300: next if ($Apache::lonhomework::record{"resource.$part.solved"} =~/^excused/);
1301: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1302: $possible += $weight;
1303: if (($record{'version'}) && (exists($record{"resource.$part.awarded"}))) {
1304: my $awarded = $record{"resource.$part.awarded"};
1305: if ($awarded) {
1306: $total += $weight * $awarded;
1307: }
1308: }
1309: }
1310: }
1311: }
1312: }
1313: }
1314: foreach my $key (keys(%Apache::lonhomework::results)) {
1315: if ($key =~ /^resource\.([^\.]+)\.awarded$/) {
1316: my $part = $1;
1317: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1318: $possible += $weight;
1319: my $awarded = $Apache::lonhomework::results{$key};
1320: if ($awarded) {
1321: $total += $weight * $awarded;
1322: }
1323: }
1324: }
1325: }
1.159 albertel 1326: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1327: &store_aggregates($symb,$courseid);
1.562 raeburn 1328: if ($dopassback) {
1.560 raeburn 1329: my $scoreformat = 'decimal';
1.575 raeburn 1330: if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) {
1331: if (ref($ltiref) eq 'HASH') {
1332: if ($ltiref->{'scoreformat'} =~ /^(decimal|ratio|percentage)$/) {
1333: $scoreformat = $1;
1334: }
1.560 raeburn 1335: }
1336: }
1.575 raeburn 1337: my ($pbid,$pburl,$pbtype);
1338: if ($env{'request.lti.login'}) {
1339: $pbid = $env{'request.lti.passbackid'};
1340: $pburl = $env{'request.lti.passbackurl'};
1341: $pbtype = 'lti';
1342: } elsif ($env{'request.deeplink.login'}) {
1343: $pbid = $env{'request.linkprotpbid'};
1344: $pburl = $env{'request.linkprotpburl'};
1345: $pbtype = 'linkprot';
1346: }
1.560 raeburn 1347: my $ltigrade = {
1.575 raeburn 1348: 'ltinum' => $ltinum,
1.560 raeburn 1349: 'lti' => $ltiref,
1.575 raeburn 1350: 'crsdef' => $crsdef,
1.560 raeburn 1351: 'cid' => $courseid,
1352: 'uname' => $env{'user.name'},
1353: 'udom' => $env{'user.domain'},
1.575 raeburn 1354: 'pbid' => $pbid,
1355: 'pburl' => $pburl,
1356: 'pbtype' => $pbtype,
1357: 'scope' => $pbscope,
1358: 'pbmap' => $pbmap,
1359: 'pbsymb' => $pbsymb,
1.560 raeburn 1360: 'format' => $scoreformat,
1361: };
1.575 raeburn 1362: if ($pbscope eq 'resource') {
1.560 raeburn 1363: $ltigrade->{'total'} = $total;
1364: $ltigrade->{'possible'} = $possible;
1365: }
1366: push(@Apache::lonhomework::ltipassback,$ltigrade);
1367: }
1.159 albertel 1368: }
1.323 albertel 1369: } else {
1370: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1371: }
1.159 albertel 1372: return $result;
1.65 albertel 1373: }
1374:
1.560 raeburn 1375: sub needs_lti_passback {
1376: my ($courseid,$symb,$map) = @_;
1377: if (($env{'request.lti.passbackid'}) && ($env{'request.lti.passbackurl'})) {
1378: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1379: my ($cdom,$cnum) = ($1,$2);
1380: my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider');
1381: if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') {
1382: if ($lti{$env{'request.lti.login'}}{'passback'}) {
1.575 raeburn 1383: my $itemnum = $env{'request.lti.login'};
1.560 raeburn 1384: my ($ltiscope,$ltiuri,$ltisymb) =
1385: &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
1386: $cdom,$cnum,1);
1387: my ($passback,$ltimap);
1388: if ($ltiscope eq 'resource') {
1389: if ($ltisymb eq $symb) {
1390: $passback = 1;
1391: }
1392: } elsif ($ltiscope eq 'map') {
1393: if ($ltiuri eq $map) {
1394: $passback = 1;
1395: $ltimap = $map;
1396: }
1397: } elsif ($ltiscope eq 'course') {
1398: if (($env{'request.lti.uri'} eq "/$cdom/$cnum") || ($env{'request.lti.uri'} eq '')) {
1399: $passback = 1;
1400: }
1401: }
1.575 raeburn 1402: return ($passback,$ltiscope,$ltimap,$ltisymb,$itemnum,$lti{$itemnum});
1.560 raeburn 1403: }
1404: }
1405: }
1406: }
1407: return;
1408: }
1409:
1.575 raeburn 1410: sub needs_linkprot_passback {
1411: my ($courseid,$symb,$map) = @_;
1412: if (($env{'request.linkprotpbid'}) && ($env{'request.linkprotpburl'})) {
1413: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1414: my ($cdom,$cnum) = ($1,$2);
1415: my ($deeplink_symb,$deeplink_map,$deeplink,$passback);
1416: $deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom);
1417: if ($deeplink_symb) {
1418: if ($deeplink_symb =~ /\.(page|sequence)$/) {
1419: $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[2]);
1420: my $navmap = Apache::lonnavmaps::navmap->new();
1421: if (ref($navmap)) {
1422: $deeplink = $navmap->get_mapparam(undef,$deeplink_map,'0.deeplink');
1423: }
1424: } else {
1425: $deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$deeplink_symb);
1426: $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[0]);
1427: }
1428: if (($deeplink ne '') && ($env{'request.linkprot'} ne '')) {
1429: my ($itemid,$tinyurl) = split(/:/,$env{'request.linkprot'});
1430: if ($itemid =~ /^(\d+)(c|d)$/) {
1431: my ($itemnum,$itemtype) = ($1,$2);
1432: my ($crsdef,$lti_in_use);
1433: if ($itemtype eq 'c') {
1434: $crsdef = 1;
1435: my %crslti = &Apache::lonnet::get_course_lti($cnum,$cdom,'provider');
1436: $lti_in_use = $crslti{$itemnum};
1437: } else {
1438: my %domlti = &Apache::lonnet::get_domain_lti($cdom,'linkprot');
1439: $lti_in_use = $domlti{$itemnum};
1440: }
1441: my ($state,$others,$listed,$scope,$protect,$display,$target,$exit) = split(/,/,$deeplink);
1442: my $passback;
1443: if ($scope eq 'resource') {
1444: if ($deeplink_symb eq $symb) {
1445: $passback = 1;
1446: }
1447: } elsif ($scope eq 'map') {
1448: if (&Apache::lonnet::clutter($deeplink_map) eq $map) {
1449: $passback = 1;
1450: }
1451: } elsif ($scope eq 'recurse') {
1452: #FIXME check if $deeplink_map contains $map
1453: $passback = 1;
1454: }
1455: return ($passback,$scope,$deeplink_map,$deeplink_symb,$crsdef,$itemnum,$lti_in_use);
1456: }
1457: }
1458: }
1459: }
1460: }
1461: }
1462:
1.435 jms 1463: =pod
1464:
1.524 raeburn 1465: =item check_correctness_changes()
1466:
1467: For all parts for which current results contain a solved status
1.576 raeburn 1468: of "incorrect_attempted", check if there was a transaction in which
1469: solved was set to "correct_by_student" in the time since the last
1470: transaction (retrieved when &initialize_storage() was called i.e.,
1.524 raeburn 1471: when &start_problem() was called), unless:
1472: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1473: (b) problemstatus is set to no or no_feedback_ever
1.576 raeburn 1474: If such a transaction exists, and did not occur after "reset status"
1.524 raeburn 1475: by a user with grading privileges, then the current transaction is an
1476: example of an out-of-order transaction (i.e., incorrect occurring after
1477: correct). Accordingly, the current transaction should be hidden.
1478:
1479: =cut
1480:
1481:
1482: sub check_correctness_changes {
1483: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1484: my @parts_to_hide;
1485: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1486: return @parts_to_hide;
1487: }
1488: if (@{$parts}) {
1489: my $usec;
1490: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1491: ($env{'request.course.id'} eq $courseid)) {
1492: $usec = $env{'request.course.sec'};
1493: } else {
1494: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1495: }
1496: foreach my $id (@{$parts}) {
1497: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1498: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1499: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1500: my $reset;
1501: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1502: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1503: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1504: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1505: $reset = 1;
1506: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1507: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1508: unless ($reset) {
1509: push(@parts_to_hide,$id);
1510: last;
1511: }
1512: }
1513: }
1514: }
1515: }
1516: return @parts_to_hide;
1517: }
1518:
1519: =pod
1520:
1.435 jms 1521: item store_aggregates()
1522:
1523: Sends hash of values to be incremented in nohist_resourcetracker.db
1524: for the course. Increments total number of attempts, unique students
1525: and corrects for each part for an instance of a problem, as appropriate.
1526:
1527: =cut
1528:
1.285 raeburn 1529: sub store_aggregates {
1530: my ($symb,$courseid) = @_;
1.479 raeburn 1531: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1532: my @parts;
1.288 albertel 1533: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1534: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1535: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1536: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1537: push(@parts, $1);
1.285 raeburn 1538: }
1539: }
1.286 albertel 1540: foreach my $part (@parts) {
1.470 raeburn 1541: if ($env{'request.role'} =~/^st/) {
1542: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1543: eq 'APPROX_ANS' ||
1544: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1545: eq 'EXACT_ANS') {
1546: $aggregate{$symb."\0".$part."\0correct"} = 1;
1547: }
1548: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1549: $aggregate{$symb."\0".$part."\0users"} = 1;
1550: } else {
1551: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1552: if ($last_reset) {
1553: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1554: $aggregate{$symb."\0".$part."\0users"} = 1;
1555: }
1556: }
1557: }
1558: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1559: }
1.470 raeburn 1560: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1561: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1562: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1563: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1564: $randtrycounter{$symb."\0".$part} = 1;
1565: } else {
1566: $anoncounter{$symb."\0".$part} = 1;
1567: }
1.545 raeburn 1568: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.'::'};
1.537 raeburn 1569: if ($needsrelease) {
1.470 raeburn 1570: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1571: if ($curr_required eq '') {
1.471 raeburn 1572: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1573: } else {
1574: my ($currmajor,$currminor) = split(/\./,$curr_required);
1575: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1576: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1577: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1578: }
1.292 raeburn 1579: }
1580: }
1.285 raeburn 1581: }
1582: }
1.526 raeburn 1583: if (keys(%aggregate) > 0) {
1.289 albertel 1584: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1585: $cdomain,$cname);
1586: }
1.472 raeburn 1587: if (keys(%anoncounter) > 0) {
1.481 raeburn 1588: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1589: $cdomain,$cname);
1.472 raeburn 1590: }
1.479 raeburn 1591: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1592: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1593: $cdomain,$cname);
1.479 raeburn 1594: }
1.292 raeburn 1595: }
1.289 albertel 1596:
1.557 raeburn 1597: sub access_status_msg {
1598: my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_;
1599: my $msg;
1600: if ($target eq 'web') {
1601: if ($status eq 'UNAVAILABLE') {
1602: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1603: } elsif ($status eq 'NOT_IN_A_SLOT') {
1604: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1605: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1606: ($status eq 'NOTRESERVABLE')) {
1607: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1608: } elsif ($status ne 'NOT_YET_VIEWED') {
1609: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1610: }
1611: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1612: $msg.=&mt('The problem ').$accessmsg;
1613: } elsif ($status eq 'UNCHECKEDOUT') {
1614: $msg.=&checkout_msg();
1615: } elsif ($status eq 'NOT_YET_VIEWED') {
1616: $msg.=&firstaccess_msg($accessmsg,$symb);
1617: } elsif ($status eq 'NOT_IN_A_SLOT') {
1618: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1619: } elsif ($status eq 'RESERVABLE') {
1620: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1621: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1622: '<br />'.
1623: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1624: } elsif ($status eq 'RESERVABLE_LATER') {
1625: $msg.=&mt('Window to make a reservation will open [_1].',
1626: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1627: } elsif ($status eq 'NOTRESERVABLE') {
1628: $msg.=&mt('Not available to make a reservation.');
1629: } elsif ($status eq 'NEED_DIFFERENT_IP') {
1630: if ($ipused) {
1631: $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");
1632: } else {
1633: $msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
1634: &mt('Somebody else has already used this particular computer for that purpose.');
1635: }
1636: }
1637: $msg.='<br />';
1638: } elsif ($target eq 'tex') {
1639: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1640: : '\begin{minipage}{\textwidth}';
1641:
1642: $msg ='\noindent \vskip 1 mm '.
1643: $startminipage.'\vskip 0 mm';
1644: if ($status eq 'UNAVAILABLE') {
1645: $msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1646: } else {
1647: $msg.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1648: }
1649: }
1650: return $msg;
1651: }
1652:
1653: sub checkin_prompt {
1654: my ($target,$slot_name,$slot,$type) = @_;
1655: my $result;
1656: if ($target eq 'web') {
1657: $result = &Apache::bridgetask::proctor_validation_screen($slot);
1658: } elsif ($target eq 'grade') {
1659: if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) {
1660: $result = &mt('An error occurred during check-in');
1661: }
1662: }
1663: return $result;
1664: }
1665:
1666: sub selfcheckin_resource {
1667: my ($resource_due,$slot_name,$slot,$symb) = @_;
1668: if ($slot_name ne '') {
1669: my $checked_in =
1670: $Apache::lonhomework::history{'resource.0.checkedin'};
1671: if ($checked_in eq '') {
1672: # unproctored slot access, self checkin
1673: my $needsiptied;
1674: if (ref($slot)) {
1675: $needsiptied = $slot->{'iptied'};
1676: }
1677: my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1678: $slot_name,$needsiptied);
1679: if ($check =~ /^error: /) {
1680: &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name");
1681: } else {
1682: $checked_in = $Apache::lonhomework::results{"resource.0.checkedin"};
1683: }
1684: }
1685: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1686: if ($slot->{'starttime'} < time()) {
1687: if (!$resource_due) {
1688: $resource_due = $slot->{'endtime'};
1689: } elsif ($slot->{'endtime'} < $resource_due) {
1690: $resource_due = $slot->{'endtime'};
1691: }
1692: }
1693: }
1694: }
1695: return $resource_due;
1696: }
1697:
1.65 albertel 1698: sub checkout_msg {
1.211 albertel 1699: my %lt=&Apache::lonlocal::texthash(
1700: 'resource'=>'The resource needs to be checked out',
1701: '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.',
1702: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 1703: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
1704: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 1705: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1706: return (<<ENDCHECKOUT);
1.211 albertel 1707: <h2>$lt{'resource'}</h2>
1708: <p>$lt{'id_expln'}</p>
1.449 bisitz 1709: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1710: <form name="checkout" method="post" action="$uri">
1.91 albertel 1711: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1712: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1713: </form>
1714: ENDCHECKOUT
1715: }
1716:
1.252 albertel 1717: sub firstaccess_msg {
1.253 albertel 1718: my ($time,$symb)=@_;
1.414 albertel 1719: my $result;
1720: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1721: if ($interval[1] eq 'map') {
1722: my ($map)=&Apache::lonnet::decode_symb($symb);
1723: my $foldertitle=&Apache::lonnet::gettitle($map);
1724:
1725: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1726: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1727: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1728: ,$foldertitle,$time)."</p>";
1.414 albertel 1729: } elsif ($interval[1] eq 'course') {
1730: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1731: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1732: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1733: ,$course,$time)."</p>";
1.414 albertel 1734: } else {
1735: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1736: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1737: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1738: ,$title,$time)."</p>";
1.414 albertel 1739: }
1.352 albertel 1740: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1741: my $buttontext = &mt('Show Resource');
1742: my $timertext = &mt('Start Timer?');
1.571 raeburn 1743: my $shownsymb = &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb),'\'"<>&');
1.414 albertel 1744: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1745: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1746: <input type="hidden" name="markaccess" value="yes" />
1.571 raeburn 1747: <input type="hidden" name="symb" value="$shownsymb" />
1.514 bisitz 1748: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1749: </form>
1750: ENDCHECKOUT
1.414 albertel 1751: return $result;
1.252 albertel 1752: }
1753:
1.204 albertel 1754: sub init_problem_globals {
1755: my ($type)=@_;
1756: #initialize globals
1.308 foxr 1757: # For problems, we start out in part 0 (outside a <part> tag).
1758: # and part 0 is used to describe the main body of the <problem>
1759: #
1.204 albertel 1760: if ($type eq 'problem') {
1761: $Apache::inputtags::part='0';
1762: @Apache::inputtags::partlist=('0');
1.405 albertel 1763: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1764: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1765:
1.266 albertel 1766: } elsif ($type eq 'library') {
1.204 albertel 1767: $Apache::inputtags::part='';
1768: @Apache::inputtags::partlist=();
1.405 albertel 1769: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1770: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1771:
1.304 albertel 1772: } elsif ($type eq 'Task') {
1773: $Apache::inputtags::part='0';
1774: @Apache::inputtags::partlist=('0');
1.405 albertel 1775: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1776: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1777: }
1.477 www 1778: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1779: @Apache::inputtags::responselist = ();
1780: @Apache::inputtags::importlist = ();
1781: @Apache::inputtags::previous=();
1782: @Apache::inputtags::previous_version=();
1.536 raeburn 1783: $Apache::inputtags::leniency='';
1.204 albertel 1784: $Apache::structuretags::printanswer='No';
1785: @Apache::structuretags::whileconds=();
1786: @Apache::structuretags::whilebody=();
1787: @Apache::structuretags::whileline=();
1788: $Apache::lonhomework::scantronmode=0;
1.566 raeburn 1789: $Apache::lonhomework::randomizetrypart=0;
1.204 albertel 1790: undef($Apache::lonhomework::name);
1.358 albertel 1791: undef($Apache::lonhomework::default_type);
1792: undef($Apache::lonhomework::type);
1.204 albertel 1793: }
1794:
1795: sub reset_problem_globals {
1796: my ($type)=@_;
1797: undef(%Apache::lonhomework::history);
1798: undef(%Apache::lonhomework::results);
1799: undef($Apache::inputtags::part);
1.536 raeburn 1800: undef($Apache::inputtags::leniency);
1.498 raeburn 1801: if ($type eq 'Task') {
1802: undef($Apache::inputtags::slot_name);
1.528 raeburn 1803: } elsif ($type eq 'problem') {
1804: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1805: }
1.208 albertel 1806: #don't undef this, lonhomework.pm takes care of this, we use this to
1807: #detect if we try to do 2 problems in one file
1808: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1809: undef($Apache::lonhomework::name);
1.358 albertel 1810: undef($Apache::lonhomework::default_type);
1811: undef($Apache::lonhomework::type);
1812: undef($Apache::lonhomework::scantronmode);
1.566 raeburn 1813: undef($Apache::inputtags::randomizetrypart);
1.358 albertel 1814: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1815: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1816: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1817: }
1818:
1.241 albertel 1819: sub set_problem_state {
1.240 albertel 1820: my ($part)=@_;
1.284 albertel 1821: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1822: $Apache::lonhomework::history{"resource.$part.solved"}=
1823: 'correct_by_student';
1824: }
1825: }
1826:
1.241 albertel 1827: sub get_problem_status {
1828: my ($part)=@_;
1.267 albertel 1829: my $problem_status;
1.284 albertel 1830: if ($env{'request.state'} eq 'construct' &&
1831: defined($env{'form.problemstatus'})) {
1832: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1833: } else {
1834: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1835: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1836: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1837: }
1838: return $problem_status;
1839: }
1840:
1.9 albertel 1841: sub start_problem {
1.326 albertel 1842: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1843:
1.311 foxr 1844: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1845: if (!$Apache::lonxml::metamode) {
1846: &Apache::lonxml::startredirection();
1847: }
1.311 foxr 1848:
1.308 foxr 1849: # Problems don't nest and we don't allow more than one <problem> in
1850: # a .problem file.
1851: #
1.184 albertel 1852: if ( $Apache::inputtags::part ne '' ||
1853: $Apache::lonhomework::parsing_a_problem) {
1854: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1855: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1856: return '';
1857: }
1.184 albertel 1858:
1859: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1860: &init_problem_globals('problem');
1.166 albertel 1861:
1.284 albertel 1862: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1863: $Apache::lonhomework::scantronmode=1;
1864: }
1.161 albertel 1865:
1.159 albertel 1866: if ($target ne 'analyze') {
1.415 raeburn 1867: my $type = &Apache::lonnet::EXT('resource.0.type');
1868: $Apache::lonhomework::type=$type;
1.284 albertel 1869: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1870: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1871: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1872: }
1.332 albertel 1873: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1874: }
1.164 albertel 1875: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1876: my $uri=$env{'request.uri'};
1.159 albertel 1877: if ($uri=~/\.(\w+)$/) {
1878: $Apache::lonhomework::type=$1;
1879: &Apache::lonxml::debug("Using type of $1");
1880: } else {
1881: $Apache::lonhomework::type='problem';
1882: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1883: }
1.87 albertel 1884: }
1.301 albertel 1885: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1886:
1.363 albertel 1887: &initialize_storage();
1.389 albertel 1888: if ($target ne 'analyze'
1889: && $env{'request.state'} eq 'construct') {
1890: &set_problem_state('0');
1891: }
1892:
1.366 albertel 1893: if ($target eq 'web') {
1894: &Apache::lonxml::debug(" grading history ");
1895: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1896: }
1.363 albertel 1897:
1.159 albertel 1898: #added vars to the scripting enviroment
1.213 albertel 1899: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1900: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1901: &Apache::run::run($expression,$safeeval);
1.159 albertel 1902: my $status;
1903: my $accessmsg;
1.508 raeburn 1904: my $resource_due;
1.540 raeburn 1905: my $ipused;
1.159 albertel 1906:
1.343 albertel 1907: my $name= &get_resource_name($parstack,$safeeval);
1.561 raeburn 1908: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres);
1.506 raeburn 1909:
1910: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1911: $target eq 'tex') {
1912: if ($env{'form.markaccess'}) {
1913: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.539 raeburn 1914: my ($timelimit) = split(/_/,$interval[0]);
1.561 raeburn 1915: my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit);
1916: unless (($is_set eq 'ok') || ($is_set eq 'already_set')) {
1917: $firstaccres = $is_set;
1918: }
1.506 raeburn 1919: }
1920: }
1921:
1.354 albertel 1922: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1923: || $target eq 'edit') {
1.528 raeburn 1924: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1925: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1926: $name);
1.552 raeburn 1927: } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
1928: ($target eq 'answer')) {
1.528 raeburn 1929: my ($symb)= &Apache::lonnet::whichuser();
1.568 raeburn 1930: if ($symb ne '') {
1931: my $navmap = Apache::lonnavmaps::navmap->new();
1932: if (ref($navmap)) {
1933: my $res = $navmap->getBySymb($symb);
1934: if (ref($res)) {
1935: $probpartlist = $res->parts();
1936: }
1.528 raeburn 1937: }
1938: }
1.350 albertel 1939: }
1940:
1.574 raeburn 1941: if (($target eq 'web') && ($env{'request.user_in_effect'})) {
1942: &Apache::lonxml::get_all_text("/problem",$parser,$style);
1943: return $result;
1944: }
1945:
1.552 raeburn 1946: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1947: $target eq 'tex') {
1948:
1949: my ($symb)= &Apache::lonnet::whichuser();
1950: ($status,$accessmsg,$slot_name,$slot,$ipused) =
1951: &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
1952: push (@Apache::inputtags::status,$status);
1953: }
1954:
1.284 albertel 1955: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1956:
1.479 raeburn 1957: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1958: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1959: $target eq 'tex') {
1.479 raeburn 1960:
1.568 raeburn 1961: my ($symb) = &Apache::lonnet::whichuser();
1.159 albertel 1962: #handle rand seed in construction space
1.568 raeburn 1963: if (($env{'request.state'} eq 'construct') || ($symb eq '')) {
1964: my $partorder=&Apache::lonnet::metadata($env{'request.uri'},'partorder');
1965: if ($partorder ne '') {
1966: @{$probpartlist} = split(/,/,$partorder);
1967: }
1968: }
1.528 raeburn 1969: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1970: if (($target eq 'grade') && &Apache::response::submitted()) {
1971: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1972: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1973: } else {
1974: my @parts;
1975: if (ref($probpartlist) eq 'ARRAY') {
1976: @parts = @{$probpartlist};
1977: }
1978: unless (@parts) {
1.529 raeburn 1979: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1980: }
1981: }
1982: }
1.479 raeburn 1983:
1.333 albertel 1984: if ($env{'request.state'} ne "construct" &&
1985: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.565 raeburn 1986: my $rndseedval = $rndseed;
1987: if (($symb eq '') && ($Apache::lonhomework::type eq 'randomizetry')) {
1988: $rndseedval = $env{'form.rndseed'};
1989: }
1.162 albertel 1990: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.565 raeburn 1991: $rndseedval.'" />'.
1.551 damieng 1992: '<button type="submit" name="resetdata"
1993: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1994: if (exists($env{'form.username'})) {
1995: $form_tag_start.=
1.164 albertel 1996: '<input type="hidden" name="username"
1.284 albertel 1997: value="'.$env{'form.username'}.'" />';
1.334 albertel 1998: }
1.462 raeburn 1999: if ($env{'request.role.adv'}) {
2000: $form_tag_start.= ' <label class="LC_nobreak">'
2001: .'<input type="checkbox" name="showallfoils"';
2002: if (defined($env{'form.showallfoils'})) {
2003: $form_tag_start.=' checked="checked"';
2004: }
2005: $form_tag_start.= ' /> '
2006: .&mt('Show All Foils')
2007: .'</label>';
2008: }
1.417 www 2009: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 2010: $form_tag_start.=&practice_problem_header();
1.417 www 2011: }
1.462 raeburn 2012: $form_tag_start.='<hr />';
1.570 raeburn 2013: }
1.565 raeburn 2014: if (($env{'request.state'} ne "construct") &&
2015: ($Apache::lonhomework::type eq 'randomizetry') &&
2016: ($status eq 'CAN_ANSWER') &&
2017: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
2018: (!$env{'request.role.adv'})) {
1.549 raeburn 2019: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.566 raeburn 2020: my @parts;
2021: if (ref($probpartlist) eq 'ARRAY') {
2022: @parts = @{$probpartlist};
2023: }
2024: unless (@parts) {
2025: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2026: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2027: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries,$symb);
2028: }
1.479 raeburn 2029: }
1.324 albertel 2030:
1.159 albertel 2031: my $expression='$external::datestatus="'.$status.'";';
2032: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
2033: &Apache::run::run($expression,$safeeval);
2034: &Apache::lonxml::debug("Got $status");
1.324 albertel 2035:
1.159 albertel 2036: if (( $status eq 'CLOSED' ) ||
2037: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2038: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 2039: ( $status eq 'BANNED') ||
1.216 albertel 2040: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 2041: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 2042: ( $status eq 'NOTRESERVABLE') ||
2043: ( $status eq 'RESERVABLE') ||
2044: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 2045: ( $status eq 'INVALID_ACCESS') ||
2046: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 2047: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2048: $style);
1.561 raeburn 2049: if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
2050: $result .= '<p class="LC_error">'.
2051: &mt('A problem occurred when trying to start the timer.').'</p>';
2052: }
1.557 raeburn 2053: $result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);
1.324 albertel 2054: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 2055: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2056: $style);
1.557 raeburn 2057: $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 2058: } elsif ($target eq 'web') {
1.508 raeburn 2059: if ($status eq 'CAN_ANSWER') {
2060: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
2061: if ($slot_name ne '') {
1.557 raeburn 2062: $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
2063: $env{'request.symb'});
1.508 raeburn 2064: }
2065: if ($resource_due) {
2066: my $time_left = $resource_due - time();
2067: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
2068: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
2069: }
2070: }
2071: }
1.368 albertel 2072: $result.="\n $form_tag_start \t".
1.227 albertel 2073: '<input type="hidden" name="submitted" value="yes" />';
2074: # create a page header and exit
1.284 albertel 2075: if ($env{'request.state'} eq "construct") {
1.544 damieng 2076: if ($env{'form.inhibitmenu'} eq 'yes') {
2077: # error messages can be useful in any case
2078: $result.= &Apache::lonxml::message_location();
2079: } else {
1.542 raeburn 2080: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
2081: }
1.428 raeburn 2082: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2083: $result.= '<button type="submit" name="resetdata" '.
2084: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2085: &practice_problem_header().'<hr />';
1.564 raeburn 2086: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
2087: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2088: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2089: $result.=&randomizetry_problem_header($problemstatus,$reqtries);
1.428 raeburn 2090: }
1.227 albertel 2091: }
2092: # if we are viewing someone else preserve that info
1.284 albertel 2093: if (defined $env{'form.grade_symb'}) {
1.227 albertel 2094: foreach my $field ('symb','courseid','domain','username') {
2095: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 2096: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 2097: }
1.479 raeburn 2098: foreach my $field ('trial','questiontype') {
2099: if ($env{"form.grade_$field"} ne '') {
2100: $result .= '<input type="hidden" name="grade_'.$field.
2101: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
2102: }
2103: }
1.159 albertel 2104: }
1.490 raeburn 2105: if ($env{'form.grade_imsexport'}) {
2106: $result = '';
2107: }
1.159 albertel 2108: } elsif ($target eq 'tex') {
1.319 foxr 2109: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 2110: $result .= &select_metadata_hyphenation();
1.99 sakharuk 2111: }
1.159 albertel 2112: } elsif ($target eq 'edit') {
1.343 albertel 2113: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 2114: $Apache::lonxml::warnings_error_header=
2115: &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 2116: my $temp=&Apache::edit::insertlist($target,$token);
2117: $result.=$temp;
2118: } elsif ($target eq 'modified') {
2119: $result=$token->[4];
2120: } else {
2121: # page_start returned a starting result, delete it if we don't need it
2122: $result = '';
1.99 sakharuk 2123: }
1.159 albertel 2124: return $result;
1.9 albertel 2125: }
2126:
2127: sub end_problem {
1.159 albertel 2128: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 2129: my $result;
1.310 foxr 2130:
1.321 albertel 2131: if (!$Apache::lonxml::metamode) {
2132: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 2133: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2134: }
1.319 foxr 2135:
2136: if ($target eq 'tex') {
1.321 albertel 2137: # Figure out the front matter and replace the
2138: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
2139: # this in end_problem because whether or not we display due
2140: # dates depends on whether due dates have already been
2141: # displayed in the problem parts.
2142:
1.319 foxr 2143: my $frontmatter = '';
2144: my $startminipage = '';
2145: if (not $env{'form.problem_split'}=~/yes/) {
2146: $startminipage = '\begin{minipage}{\textwidth}';
2147: }
2148: my $id = $Apache::inputtags::part;
2149: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
2150: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2151: my @packages = split(/,/,$packages);
1.319 foxr 2152: my $allow_print_points = 0;
2153: foreach my $partial_key (@packages) {
2154: if ($partial_key=~m/^part_0$/) {
2155: $allow_print_points=1;
2156: }
2157: }
2158: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2159: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
2160: if (lc($env{'course.'.$env{'request.course.id'}.
2161: '.disableexampointprint'}) eq 'yes') {
2162: $allow_print_points=0;
2163: }
2164: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 2165: 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 2166: &clear_required_languages();
1.319 foxr 2167: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
2168: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
2169:
2170: # Figure out what the due date is and if we need to print
2171: # it in the problem header. We have been logging the
2172: # last due date written to file.
2173:
2174: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2175: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2176: my $duedate_text = &mt('Due date: [_1]'
2177: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2178: my $temp_file;
2179: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2180:
2181: # Figure out what the last printed due date is or set it
2182: # to the epoch if no duedates have been printed.
2183:
2184: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2185: if (-e $filename) {
2186: $temp_file = Apache::File->new($filename);
2187: my @due_file = <$temp_file>;
2188: $due_file_content = $due_file[$#due_file];
2189: chomp $due_file_content;
2190: }
2191:
2192: # We display the due date iff it is not the same as the last
2193: # duedate in problem header ($due_file_content), and
2194: # none of our parts displayed a duedate.
2195: #
2196: my $parts_with_displayduedate;
2197: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2198: $parts_with_displayduedate =
2199: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2200: } else {
2201: $parts_with_displayduedate = 0;
2202: }
2203: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2204: $temp_file = Apache::File->new('>'.$filename);
2205: print $temp_file "$duetime\n";
2206: if (not $env{'request.symb'} =~ m/\.page_/) {
2207: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2208: $frontmatter .= $begin_doc.
1.448 bisitz 2209: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2210: } else {
2211: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2212: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2213: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2214: }
1.319 foxr 2215: }
2216: } else {
1.448 bisitz 2217: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2218: }
2219: } else {
2220: if (not $env{'request.symb'} =~ m/\.page_/) {
2221: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2222: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2223: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2224: }
1.319 foxr 2225: } else {
1.381 albertel 2226: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2227: }
2228: }
2229: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1.574 raeburn 2230: } elsif ($target eq 'web') {
2231: if ($env{'request.user_in_effect'}) {
2232: &reset_problem_globals('problem');
2233: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
2234: return $result;
2235: }
1.319 foxr 2236: }
2237:
1.159 albertel 2238: my $status=$Apache::inputtags::status['-1'];
2239: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2240: $target eq 'tex') {
1.249 albertel 2241: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2242: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2243: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2244: &Apache::inputtags::grade;
1.324 albertel 2245: } elsif ($status eq 'NEEDS_CHECKIN') {
2246: # no need to grade, and don't want to hide data
1.249 albertel 2247: } else {
2248: # move any submission data to .hidden
2249: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2250: }
1.159 albertel 2251: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2252: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2253: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2254: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2255: # if part is zero, no <part>s existed, so we need show the current
2256: # grading status
2257: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2258: $result.= $gradestatus;
2259: }
2260: if (
1.284 albertel 2261: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2262: ($target eq 'answer') || ($target eq 'tex')
2263: ) {
1.490 raeburn 2264: if (($target ne 'tex') &&
2265: ($env{'form.answer_output_mode'} ne 'tex') &&
2266: (!$env{'form.grade_imsexport'})) {
1.254 www 2267: $result.="</form>";
1.159 albertel 2268: }
2269: if ($target eq 'web') {
1.507 raeburn 2270: #
2271: # Closing </body></html> not added by end_page().
2272: # Added separately at end of this routine, after added
2273: # <script></script> so document will be valid xhtml.
2274: #
1.546 raeburn 2275: my $showdisc = 1;
1.547 raeburn 2276: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
2277: (!$env{'request.role.adv'})) {
2278: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 2279: $showdisc = 0;
1.547 raeburn 2280: my ($symb)= &Apache::lonnet::whichuser();
2281: if ($symb) {
2282: my $navmap = Apache::lonnavmaps::navmap->new();
2283: if (ref($navmap)) {
2284: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
2285: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 2286: # and there are no tries left
1.547 raeburn 2287: unless ($hastries) {
2288: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
2289: my ($score,$incomplete) =
2290: &Apache::lonplacementtest::check_completion(undef,undef,1);
2291: if (!$incomplete) {
2292: $result .= &Apache::lonplacementtest::showresult(1,1);
2293: } elsif ($incomplete < 100) {
2294: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
2295: }
2296: } else {
2297: # For Placement Tests score is displayed if test has just been completed
2298: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
2299: if (!$incomplete) {
2300: $result.= &Apache::lonplacementtest::showresult(1,1);
2301: }
2302: }
2303: }
2304: }
2305: }
1.546 raeburn 2306: }
2307: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 2308: 'notbody' => 1});
1.159 albertel 2309: } elsif ($target eq 'tex') {
1.178 sakharuk 2310: my $endminipage = '';
1.284 albertel 2311: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2312: $endminipage = '\end{minipage}';
2313: }
1.284 albertel 2314: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2315: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2316: } else {
1.262 sakharuk 2317: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2318: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2319: $result .= $endminipage.'\end{document} ';
2320: } else {
1.382 albertel 2321: $result .= $endminipage;
1.262 sakharuk 2322: }
1.159 albertel 2323: }
2324: }
2325: }
1.476 www 2326: if ($target eq 'web') {
1.566 raeburn 2327: $result.=&Apache::functionplotresponse::init_script();
2328: if ($Apache::lonhomework::default_type eq 'randomizetry') {
2329: my ($symb) = &Apache::lonnet::whichuser();
2330: if ((($env{'request.state'} eq 'construct') || ($symb eq '')) &&
2331: ($status eq 'CAN_ANSWER')) {
2332: unless (@Apache::inputtags::partlist > 1) {
2333: $result.= <<"ENDJS";
2334: <script type="text/javascript">
2335: // <![CDATA[
2336: \$(document).ready(function() {
2337: \$('#LC_randomizetry_header').css('display','block');
2338: });
2339: // ]]>
2340: </script>
2341: ENDJS
2342: }
2343: }
2344: }
1.476 www 2345: }
1.159 albertel 2346: if ($target eq 'grade') {
2347: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2348: &finalize_storage();
2349: }
1.284 albertel 2350: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2351: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2352: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2353: # normally we get it from above, but in CSTR
1.172 albertel 2354: # we always show answer mode too.
1.159 albertel 2355: }
2356: } elsif ($target eq 'meta') {
2357: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2358: @Apache::inputtags::response=();
1.159 albertel 2359: $result=&Apache::response::mandatory_part_meta;
2360: }
1.559 raeburn 2361: $result.=&Apache::response::meta_part_order('problem');
1.258 albertel 2362: $result.=&Apache::response::meta_response_order();
1.159 albertel 2363: } elsif ($target eq 'edit') {
2364: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2365: $result .= &problem_edit_footer();
1.320 albertel 2366: } elsif ($target eq 'modified') {
2367: $result .= $token->[2];
1.159 albertel 2368: }
1.155 albertel 2369:
1.284 albertel 2370: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2371: &Apache::inputtags::check_for_duplicate_ids();
2372: }
1.204 albertel 2373:
2374: &reset_problem_globals('problem');
1.159 albertel 2375:
1.502 foxr 2376: #
2377: # This shouild be just above the return so that the
2378: # time put in the javascript is as late as possible in the
2379: # computation:
2380: #
2381: if ($target eq 'web') {
1.578 raeburn 2382: $result .= &Apache::lonhtmlcommon::dash_to_minus_js().
2383: &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2384: #
2385: # Closing tags delayed so any <script></script> tags
2386: # not in head can appear inside body, for valid xhtml.
2387: #
2388: $result .= "</body>\n</html>";
1.502 foxr 2389: }
1.159 albertel 2390: return $result;
1.48 albertel 2391: }
2392:
1.108 albertel 2393:
1.48 albertel 2394: sub start_library {
1.159 albertel 2395: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2396: my ($result,$form_tag_start);
1.371 albertel 2397: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2398: &init_problem_globals('library');
2399: $Apache::lonhomework::type='problem';
2400: }
1.159 albertel 2401: if ($target eq 'edit') {
1.343 albertel 2402: ($result,$form_tag_start)=
2403: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2404: 'Edit');
2405: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2406: my $temp=&Apache::edit::insertlist($target,$token);
2407: $result.=$temp;
2408: } elsif ($target eq 'modified') {
2409: $result=$token->[4];
1.340 albertel 2410: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2411: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2412: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2413: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2414: ($result,$form_tag_start)=
2415: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2416: $name);
1.479 raeburn 2417: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2418: $result.=" \n $form_tag_start".
1.159 albertel 2419: '<input type="hidden" name="submitted" value="yes" />';
2420: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2421: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2422: $result.= '<button type="submit" name="resetdata" '.
2423: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2424: &practice_problem_header().'<hr />';
1.428 raeburn 2425: }
1.159 albertel 2426: }
2427: return $result;
1.48 albertel 2428: }
2429:
2430: sub end_library {
1.159 albertel 2431: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2432: my $result='';
2433: if ($target eq 'edit') {
2434: $result=&problem_edit_footer();
1.371 albertel 2435: } elsif ($target eq 'web'
2436: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2437: && $env{'request.state'} eq "construct") {
1.349 albertel 2438: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.558 raeburn 2439: } elsif ($target eq 'meta') {
1.559 raeburn 2440: $result.=&Apache::response::meta_part_order('library');
1.558 raeburn 2441: $result.=&Apache::response::meta_response_order();
1.159 albertel 2442: }
1.371 albertel 2443: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2444: &reset_problem_globals('library');
2445: }
1.159 albertel 2446: return $result;
1.197 www 2447: }
2448:
2449: sub start_definetag {
1.326 albertel 2450: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2451:
2452: my $result;
2453:
2454: my $name = $token->[2]->{'name'};
1.326 albertel 2455: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2456: if ($target eq 'web') {
2457: if ($name=~/^\//) {
2458: $result=
2459: '<br /><table class="LC_sty_end"><tr><th>'.
2460: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2461: } else {
2462: $result=
2463: '<br /><table class="LC_sty_begin"><tr><th>'.
2464: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2465: }
2466: $skip = &HTML::Entities::encode($skip, '<>&"');
2467: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2468: }
2469: return $result;
2470: }
2471:
2472: sub end_definetag {
2473: return '';
1.1 albertel 2474: }
2475:
2476: sub start_block {
1.201 albertel 2477: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2478:
2479: my $result;
1.1 albertel 2480:
1.339 albertel 2481: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2482: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2483: my $code = $token->[2]->{'condition'};
1.385 albertel 2484: if (defined($code) && $code ne '') {
1.137 albertel 2485: if (!$Apache::lonxml::default_homework_loaded) {
2486: &Apache::lonxml::default_homework_load($safeeval);
2487: }
1.131 albertel 2488: $result = &Apache::run::run($code,$safeeval);
2489: &Apache::lonxml::debug("block :$code: returned :$result:");
2490: } else {
2491: $result='1';
2492: }
2493: if ( ! $result ) {
1.201 albertel 2494: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2495: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2496: }
2497: $result='';
2498: } elsif ($target eq 'edit') {
2499: $result .=&Apache::edit::tag_start($target,$token);
2500: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2501: $token,40);
2502: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2503: } elsif ($target eq 'modified') {
2504: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2505: $safeeval,'condition');
2506: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2507: }
1.131 albertel 2508: return $result;
1.1 albertel 2509: }
2510:
2511: sub end_block {
1.167 www 2512: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2513: my $result;
2514: if ($target eq "edit") {
2515: $result.= &Apache::edit::tag_end($target,$token,'');
2516: }
2517: return $result;
2518: }
1.500 foxr 2519: #
2520: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2521: # ...
2522: # </languageblock>
2523: #
2524: # This declares the intent to provide content that can be rendered in the
2525: # set of languages in the include specificatino but not in the exclude
2526: # specification. If a currently preferred language is in the include list
2527: # the content in the <languageblock>...</languageblock> is rendered
2528: # If the currently preferred language is in the exclude list,
2529: # the content in the <languageblock>..></languageblock is not rendered.
2530: #
2531: # Pathalogical case handling:
2532: # - Include specified, without the preferred language but exclude specified
2533: # also without the preferred langauge results in rendering the block.
2534: # - Exclude specified without include and excluden not containing a
2535: # preferred language renders the block.
2536: # - Include and exclude both specifying the preferred language does not
2537: # render the block.
2538: # - If neither include/exclude is specified, the block gets rendered.
2539: #
2540: # This tag has no effect when target is in {edit, modified}
2541: #
1.167 www 2542: sub start_languageblock {
1.201 albertel 2543: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2544:
1.500 foxr 2545: my $result = '';
1.167 www 2546:
1.339 albertel 2547: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2548: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2549: my $include = $token->[2]->{'include'};
2550: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2551: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2552:
2553: # This should not even happen, since we should at least have the server language
2554:
2555: if (!$preferred_languages[0]) {
2556: $preferred_languages[0]='en';
2557: }
2558:
2559: # Now loop over all languages in order of preference
2560:
2561: my $render;
1.398 www 2562: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2563:
2564: # If neither include/nor exlude is present the block is going
2565: # to get rendered.
2566:
1.399 www 2567: my $found=0;
1.500 foxr 2568: $render=1;
2569:
2570: # If include is specified, don't render the block
2571: # unless the preferred language is included in the set.
2572:
1.398 www 2573: if ($include) {
1.500 foxr 2574: $render=0;
1.398 www 2575: foreach my $included_language (split(/\,/,$include)) {
2576: if ($included_language eq $preferred_language) {
1.500 foxr 2577: $render=1;
1.399 www 2578: $found=1;
1.500 foxr 2579: last; # Only need to find the first.
1.398 www 2580: }
2581: }
2582: }
1.500 foxr 2583: # Do we have an exclude argument?
2584: # If so, and one of the languages matches a preferred language
2585: # inhibit rendering the block. Note that in the pathalogical case the
2586: # author has specified a preferred language in both the include and exclude
2587: # attribte exclude is preferred.
2588:
1.398 www 2589: if ($exclude) {
1.500 foxr 2590: $render=1;
1.398 www 2591: foreach my $excluded_language (split(/\,/,$exclude)) {
2592: if ($excluded_language eq $preferred_language) {
1.500 foxr 2593: $render=0;
1.399 www 2594: $found=1;
1.500 foxr 2595: last; # Only need to find the first.
1.398 www 2596: }
2597: }
2598: }
1.500 foxr 2599: if ($found) {
2600: last; # Done on any match of include or exclude.
2601: }
1.398 www 2602: }
1.500 foxr 2603: # If $render not true skip the entire block until </languageblock>
2604: #
2605:
2606: if ( ! $render ) {
1.201 albertel 2607: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2608: $style);
2609: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2610: }
1.500 foxr 2611: # If $render is true, we've not skipped the contents of the <languageglock>
2612: # and the normal loncapa processing flow will render it as a matter of course.
2613:
1.167 www 2614: } elsif ($target eq 'edit') {
2615: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2616: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2617: $token,40);
1.211 albertel 2618: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2619: $token,40);
2620: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2621: } elsif ($target eq 'modified') {
2622: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2623: $safeeval,'include',
2624: 'exclude');
1.167 www 2625: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2626: }
2627: return $result;
2628: }
2629:
2630: sub end_languageblock {
1.170 www 2631: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2632: my $result;
1.201 albertel 2633: if ($target eq "edit") {
1.170 www 2634: $result.= &Apache::edit::tag_end($target,$token,'');
2635: }
2636: return $result;
2637: }
1.500 foxr 2638: # languagblock specific tags:
2639: {
2640: # For chunks of a resource that has translations, this hash contains
2641: # the translations available indexed by language name.
2642: #
2643:
2644: my %available_texts;
1.170 www 2645:
1.500 foxr 2646: # <translated> starts a block of a resource that has multiple translations.
2647: # See the <lang> tag as well.
2648: # When </translated> is encountered if there is a translation for the
2649: # currently preferred language, that is rendered inthe web/tex/webgrade
2650: # targets. Otherwise, the default text is rendered.
2651: #
2652: # Note that <lang> is only registered for the duration of the
2653: # <translated>...</translated> block
2654: #
2655: # Pathalogical case handling:
2656: # - If there is no <lang> that specifies a 'default' and there is no
2657: # translation that matches a preferred language, nothing is rendered.
2658: # - Nested <translated>...</translated> might be linguistically supported by
2659: # XML due to the stack nature of tag registration(?) however the rendered
2660: # output will be incorrect because there is only one %available_texts
2661: # has and end_translated clears it.
2662: # - Material outside of a <lang>...</lang> block within the
2663: # <translated>...<translated> block won't render either e.g.:
2664: # <translated>
2665: # The following will be in your preferred langauge:
2666: # <lang which='en'>
2667: # This section in english
2668: # </lang>
2669: # <lang which='sgeiso'>
2670: # Hier es ist auf Deutsch.
2671: # </lang>
2672: # <lang which='sfriso'>
2673: # En Francais
2674: # </lang>
2675: # </translated>
2676: #
2677: # The introductory text prior to the first <lang> tag is not rendered.
2678: #
1.397 albertel 2679: sub start_translated {
2680: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2681: &Apache::lonxml::register('Apache::structuretags',('lang'));
2682: undef(%available_texts);
2683: }
2684:
2685: sub end_translated {
2686: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2687: my $result;
2688: #show the translation on viewable targets
2689: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2690: # or non-viewable targets, if it's embedded in something that
2691: # wants the output
2692: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2693: && &Apache::lonxml::in_redirection() ) ) {
2694: my @possibilities = keys(%available_texts);
2695: my $which =
2696: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2697: if ($target eq 'tex') {
2698: $result = &select_hyphenation($which);
2699: }
2700: $result .= $available_texts{$which};
2701: if ($target eq 'tex') {
2702: $result .= &select_metadata_hyphenation(); # Restore original language.
2703: }
1.397 albertel 2704: }
2705: undef(%available_texts);
2706: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2707: return $result;
2708: }
2709:
1.500 foxr 2710: # <lang [which='language-name'] [other='lang1,lang2...']>
2711: # Specifies that the block contained within it is a translation
2712: # for a specific language specified by the 'which' attribute. The
2713: # 'other' attribute can be used by itself or in conjunction with
2714: # which to specify this tag _may_ be used as a translation for some
2715: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2716: # specifying that the block provides a translation for US (primary)
2717: # Canadian, Australian and UK Englush.
2718: #
2719: # Comment: this seems a bit silly why not just support a list of languages
2720: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2721: #
2722: # Effect:
2723: # The material within the <lang>..</lang> block is stored in the
2724: # specified set of $available_texts hash entries, the appropriate one
2725: # is selected at </translated> time.
2726: #
2727: # Pathalogical case handling:
2728: # If a language occurs multiple times within a <translated> block,
2729: # only the last one is rendered e.g.:
2730: #
2731: # <translated>
2732: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2733: # Red green color blindness is quite common affecting about 7.8% of
2734: # the male population, but onloy about .65% of the female population.
2735: # </lang>
2736: # Red green colour blindness is quite common affecting about 7.8% of
2737: # the male population, but onloy about .65% of the female population.
2738: # <lang which='seniso', other='senisoCA,senisoAU'>
2739: # </translated>
2740: #
2741: # renders the correct spelling of color (colour) for people who have specified
2742: # a preferred language that is one of the British Commonwealth languages
2743: # even though those are also listed as valid selections for the US english
2744: # <lang> block.
2745: #
1.397 albertel 2746: sub start_lang {
2747: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2748: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2749: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2750: &Apache::lonxml::startredirection();
2751: }
2752: return '';
2753: }
2754:
2755: sub end_lang {
2756: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2757: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2758: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2759: my $result = &Apache::lonxml::endredirection();
2760: my $which = &Apache::lonxml::get_param('which',$parstack,
2761: $safeeval);
1.431 raeburn 2762: if ($which=~/\w/) {
2763: $available_texts{$which} = $result;
2764: }
2765: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2766: $safeeval);
2767: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2768: if ($language=~/\w/) {
2769: $available_texts{$language} = $result;
2770: }
1.427 bisitz 2771: }
2772:
1.397 albertel 2773: }
2774: return '';
2775: }
1.500 foxr 2776: } # end langauge block specific tags.
2777:
1.397 albertel 2778:
1.170 www 2779: sub start_instructorcomment {
1.201 albertel 2780: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2781:
2782: my $result;
2783:
1.339 albertel 2784: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2785: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2786: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2787: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2788: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2789: $parser,$style);
1.170 www 2790: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2791: }
2792: $result='';
2793: } elsif ($target eq 'edit') {
2794: $result .=&Apache::edit::tag_start($target,$token);
2795: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2796: }
2797: return $result;
2798: }
2799:
2800: sub end_instructorcomment {
1.159 albertel 2801: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2802: my $result;
2803: if ($target eq "edit") {
2804: $result.= &Apache::edit::tag_end($target,$token,'');
2805: }
2806: return $result;
1.4 tsai 2807: }
2808:
2809: sub start_while {
1.326 albertel 2810: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2811:
1.160 albertel 2812: my $result;
1.339 albertel 2813: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2814: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2815: my $code = $token->[2]->{'condition'};
1.4 tsai 2816:
1.160 albertel 2817: push( @Apache::structuretags::whileconds, $code);
2818: if (!$Apache::lonxml::default_homework_loaded) {
2819: &Apache::lonxml::default_homework_load($safeeval);
2820: }
2821: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2822: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2823: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2824: push( @Apache::structuretags::whileline, $token->[5]);
2825: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2826: if ( $result ) {
2827: &Apache::lonxml::newparser($parser,\$bodytext);
2828: }
2829: } elsif ($target eq 'edit') {
2830: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2831: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2832: $token,40);
2833: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2834: } elsif ($target eq 'modified') {
2835: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2836: $safeeval,'condition');
2837: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2838: }
1.160 albertel 2839: return $result;
1.4 tsai 2840: }
2841:
2842: sub end_while {
1.159 albertel 2843: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2844: my $result;
2845:
1.339 albertel 2846: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2847: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2848: my $code = pop(@Apache::structuretags::whileconds);
2849: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2850: my $line = pop(@Apache::structuretags::whileline);
2851: my $return = &Apache::run::run($code,$safeeval);
2852: my $starttime=time;
2853: my $error=0;
2854: while ($return) {
2855: if (time-$starttime >
2856: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2857: $return = 0; $error=1; next;
1.161 albertel 2858: }
2859: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2860: if ($target eq 'grade' || $target eq 'answer' ||
2861: $target eq 'analyze') {
2862: # grade/answer/analyze should produce no output but if we
2863: # are redirecting, the redirecter should know what to do
2864: # with the output
2865: if (!$Apache::lonxml::redirection) { undef($result); }
2866: }
1.161 albertel 2867: $return = &Apache::run::run($code,$safeeval);
2868: }
1.516 bisitz 2869: if ($error) {
2870: &Apache::lonxml::error(
2871: '<pre>'
2872: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2873: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2874: .&mt('This occurred while running <while> on line [_1].',
2875: $line)
2876: .'</pre>');
2877: }
1.160 albertel 2878: } elsif ($target eq "edit") {
2879: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2880: }
1.160 albertel 2881: return $result;
1.1 albertel 2882: }
1.6 tsai 2883:
1.160 albertel 2884: # <randomlist show="1">
1.6 tsai 2885: # <tag1>..</tag1>
2886: # <tag2>..</tag2>
2887: # <tag3>..</tag3>
1.160 albertel 2888: # ...
1.6 tsai 2889: # </randomlist>
2890: sub start_randomlist {
1.326 albertel 2891: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2892: my $result;
1.339 albertel 2893: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2894: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2895: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2896: my $b_parser= HTML::LCParser->new(\$body);
2897: $b_parser->xml_mode(1);
2898: $b_parser->marked_sections(1);
1.159 albertel 2899: my $b_tok;
2900: my @randomlist;
2901: my $list_item;
2902: while($b_tok = $b_parser->get_token() ) {
2903: if($b_tok->[0] eq 'S') { # start tag
2904: # get content of the tag until matching end tag
2905: # get all text upto the matching tag
2906: # and push the content into @randomlist
2907: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2908: $b_parser);
2909: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2910: push(@randomlist,$list_item);
2911: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2912: # $list_item</b>";
2913: }
2914: if($b_tok->[0] eq 'T') { # text
2915: # what to do with text in between tags?
2916: # print "<b>TEXT $b_tok->[1]</b><br />";
2917: }
2918: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2919: # print "<b>END-TAG $b_tok->[1]</b><br />";
2920: # }
2921: }
1.303 albertel 2922: if (@randomlist) {
2923: my @idx_arr = (0 .. $#randomlist);
1.555 raeburn 2924: if ($env{'form.code_for_randomlist'}) {
2925: &Apache::structuretags::shuffle(\@idx_arr,$target);
2926: undef($env{'form.code_for_randomlist'});
2927: } else {
2928: &Apache::structuretags::shuffle(\@idx_arr);
2929: }
1.303 albertel 2930: my $bodytext = '';
2931: my $show=$#randomlist;
2932: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2933: $showarg--;
2934: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2935: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2936: my @currlist;
2937: my $part = $Apache::inputtags::part;
2938: if ($part ne '') {
2939: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2940: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2941: if (!(grep(/^\Q$part\E$/,@currlist))) {
2942: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2943: }
2944: } else {
2945: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2946: }
2947: }
2948: }
1.526 raeburn 2949: for my $i (0 .. $show) {
2950: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2951: }
2952: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2953: }
2954: } elsif ($target eq 'edit' ) {
2955: $result .=&Apache::edit::tag_start($target,$token);
2956: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2957: $token,5);
2958: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2959: } elsif ($target eq 'modified' ) {
2960: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2961: $safeeval,'show');
2962: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2963: }
2964: return $result;
1.7 tsai 2965: }
2966:
2967: sub shuffle {
1.555 raeburn 2968: my ($a,$target) = @_;
1.7 tsai 2969: my $i;
1.303 albertel 2970: if (ref($a) eq 'ARRAY' && @$a) {
1.555 raeburn 2971: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2972: for($i=@$a;--$i;) {
2973: my $j=int(&Math::Random::random_uniform() * ($i+1));
2974: next if $i == $j;
2975: @$a[$i,$j] = @$a[$j,$i];
2976: }
1.251 albertel 2977: &Apache::response::poprandomnumber();
1.7 tsai 2978: }
1.6 tsai 2979: }
2980:
2981: sub end_randomlist {
1.159 albertel 2982: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2983: my $result;
2984: if ($target eq 'edit' ) {
2985: $result=&Apache::edit::tag_end($target,$token,
2986: 'End Randomly Parsed Block');
2987: }
2988: return $result;
1.6 tsai 2989: }
2990:
1.283 albertel 2991: sub ordered_show_check {
2992: my $last_part=$Apache::inputtags::partlist[-2];
2993: my $in_order=
2994: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2995: my $in_order_show=1;
2996: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2997: $in_order_show=&Apache::response::check_status($last_part);
2998: }
2999: return $in_order_show;
3000: }
3001:
1.469 www 3002:
3003: sub start_startpartmarker {
3004: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3005: my $result='';
3006: if ($target eq 'edit') {
3007: $result=&Apache::edit::tag_start($target,$token);
3008: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
3009: $result.=&Apache::edit::end_table();
3010:
3011: }
3012: return $result;
3013: }
3014:
3015: sub end_startpartmarker {
3016: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3017: my @result;
3018: if ($target eq 'edit') { $result[1]='no'; }
3019: return @result;
3020: }
3021:
3022: sub start_endpartmarker {
3023: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3024: my $result='';
3025: if ($target eq 'edit') {
3026: $result=&Apache::edit::tag_start($target,$token);
3027: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
3028: $result.=&Apache::edit::end_table();
3029:
3030: }
3031: return $result;
3032: }
3033:
3034: sub end_endpartmarker {
3035: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3036: my @result;
3037: if ($target eq 'edit') { $result[1]='no'; }
3038: return @result;
3039: }
3040:
3041:
3042:
3043:
3044:
1.11 albertel 3045: sub start_part {
1.326 albertel 3046: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 3047: if (!$Apache::lonxml::metamode) {
3048: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
3049: # duedates.
3050: }
1.159 albertel 3051: my $result='';
1.386 albertel 3052: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 3053: $Apache::inputtags::part=$id;
1.177 albertel 3054: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 3055: $Apache::inputtags::leniency='';
1.177 albertel 3056: @Apache::inputtags::response=();
1.159 albertel 3057: @Apache::inputtags::previous=();
3058: @Apache::inputtags::previous_version=();
1.405 albertel 3059: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 3060: &Apache::response::reset_params();
3061:
1.159 albertel 3062: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 3063: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
3064: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 3065: if ($Apache::lonhomework::type eq 'randomizetry') {
3066: my $rndseed=&setup_rndseed($safeeval,$target);
3067: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 3068: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 3069: }
1.570 raeburn 3070: } elsif (@Apache::inputtags::partlist > 1) {
3071: my $prevparttype = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[-2].type");
3072: if ($prevparttype eq 'randomizetry') {
3073: my $rndseed=&setup_rndseed($safeeval,$target,'',$prevparttype);
3074: if (($target eq 'grade') && &Apache::response::submitted()) {
3075: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
3076: }
3077: }
1.528 raeburn 3078: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 3079: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 3080: }
1.283 albertel 3081: my $in_order_show=&ordered_show_check();
1.214 albertel 3082: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 3083: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 3084: &Apache::run::run($expression,$safeeval);
1.159 albertel 3085:
3086: if ($target eq 'meta') {
1.224 www 3087: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
3088: return &Apache::response::mandatory_part_meta.
3089: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 3090: } elsif ($target eq 'web' || $target eq 'grade' ||
3091: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 3092: if ($hidden || !$in_order_show) {
1.326 albertel 3093: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 3094: } else {
3095: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
3096: push (@Apache::inputtags::status,$status);
3097: my $expression='$external::datestatus="'.$status.'";';
3098: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
3099: &Apache::run::run($expression,$safeeval);
1.284 albertel 3100: if ($env{'request.state'} eq 'construct') {
1.241 albertel 3101: &set_problem_state($Apache::inputtags::part);
1.240 albertel 3102: }
1.216 albertel 3103: if (( $status eq 'CLOSED' ) ||
3104: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 3105: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 3106: ( $status eq 'BANNED') ||
3107: ( $status eq 'UNAVAILABLE') ||
3108: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 3109: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
3110: $style);
1.159 albertel 3111: if ( $target eq "web" ) {
1.211 albertel 3112: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 3113: } elsif ( $target eq 'tex' ) {
1.284 albertel 3114: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 3115: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 3116: } else {
1.211 albertel 3117: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 3118: }
1.159 albertel 3119: }
3120: } else {
3121: if ($target eq 'tex') {
1.284 albertel 3122: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 3123: if ($$tagstack[-2] eq 'td') {
1.388 foxr 3124: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 3125: } else {
3126: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
3127: }
1.195 sakharuk 3128: }
1.159 albertel 3129: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 3130: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 3131: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 3132: my $allow_print_points = 0;
3133: foreach my $partial_key (@allkeys) {
1.230 albertel 3134: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 3135: if ($1 ne '0') {$allow_print_points=1;}
3136: }
3137: }
1.275 albertel 3138: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
3139: if (defined($maxtries) && $maxtries < 0) {
3140: $allow_print_points=0;
3141: }
1.302 albertel 3142: if (lc($env{'course.'.$env{'request.course.id'}.
3143: '.disableexampointprint'}) eq 'yes') {
3144: $allow_print_points=0;
3145: }
1.463 foxr 3146: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 3147: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 3148:
3149: }
1.233 www 3150: } elsif ($target eq 'web') {
1.479 raeburn 3151: if ($status eq 'CAN_ANSWER') {
3152: my $problemstatus = &get_problem_status($Apache::inputtags::part);
3153: my $num = scalar(@Apache::inputtags::partlist)-1;
1.567 raeburn 3154: if ((($Apache::lonhomework::default_type eq 'randomizetry') ||
3155: ($Apache::lonhomework::randomizetrypart)) &&
1.566 raeburn 3156: ($Apache::lonhomework::type ne 'randomizetry')) {
3157: $result .= &randomizetry_part_header($problemstatus,'none',$num);
3158: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
3159: $Apache::lonhomework::randomizetrypart = 1;
3160: my $reqtries = &Apache::lonnet::EXT("resource.$id.randomizeontries");
1.479 raeburn 3161: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
3162: }
3163: }
1.475 raeburn 3164: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 3165: }
3166: }
3167: }
3168: } elsif ($target eq 'edit') {
3169: $result.=&Apache::edit::tag_start($target,$token);
3170: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
3171: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 3172: ' '.
3173: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 3174: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
3175: } elsif ($target eq 'modified') {
3176: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 3177: $safeeval,'id','display');
1.159 albertel 3178: if ($constructtag) {
1.225 albertel 3179: #limiting ids to only letters numbers, and space
1.224 www 3180: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 3181: $result = &Apache::edit::rebuild_tag($token);
3182: }
3183: }
3184: return $result;
1.11 albertel 3185: }
3186:
3187: sub end_part {
1.159 albertel 3188: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3189: &Apache::lonxml::debug("in end_part $target ");
3190: my $status=$Apache::inputtags::status['-1'];
3191: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 3192: my $in_order_show=&ordered_show_check();
1.321 albertel 3193: my $result;
3194: if (!$Apache::lonxml::metamode) {
3195: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 3196: $Apache::lonxml::post_evaluate=0;
1.321 albertel 3197: }
1.312 albertel 3198: if ($target eq 'grade') {
1.249 albertel 3199: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 3200: !$hidden && $in_order_show) {
1.311 foxr 3201: $result.=&Apache::inputtags::grade;
1.249 albertel 3202: } else {
3203: # move any submission data to .hidden
3204: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3205: }
1.283 albertel 3206: } elsif (($target eq 'web' || $target eq 'tex') &&
3207: !$hidden && $in_order_show) {
1.159 albertel 3208: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3209: $target);
1.490 raeburn 3210: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3211: ($env{'form.grade_imsexport'})) {
1.212 albertel 3212: $gradestatus='';
3213: }
1.311 foxr 3214: $result.=$gradestatus;
1.572 raeburn 3215: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {
3216: if (not $env{'form.problem_split'}=~/yes/) {
3217: $result.='\end{minipage}';
3218: }
1.573 raeburn 3219: }
1.181 albertel 3220: } elsif ($target eq 'edit') {
1.311 foxr 3221: $result.=&Apache::edit::end_table();
1.322 albertel 3222: } elsif ($target eq 'modified') {
3223: $result .= $token->[2];
1.159 albertel 3224: }
3225: pop @Apache::inputtags::status;
3226: $Apache::inputtags::part='';
1.536 raeburn 3227: $Apache::inputtags::leniency='';
1.295 albertel 3228: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3229: return $result;
1.11 albertel 3230: }
1.1 albertel 3231:
1.25 albertel 3232: sub start_preduedate {
1.326 albertel 3233: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3234: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3235: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3236: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3237: if (!$Apache::lonhomework::scantronmode &&
3238: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3239: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3240: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3241: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3242: }
1.24 albertel 3243: }
1.159 albertel 3244: return '';
1.24 albertel 3245: }
3246:
1.25 albertel 3247: sub end_preduedate {
1.159 albertel 3248: return '';
1.24 albertel 3249: }
3250:
1.369 foxr 3251: # In all the modes where <postanswerdate> text is
3252: # displayable, all we do is eat up the text between the start/stop
3253: # tags if the conditions are not right to display it.
1.25 albertel 3254: sub start_postanswerdate {
1.326 albertel 3255: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3256: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3257: &Apache::lonnet::allowed('pav',
3258: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3259: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3260: $target eq 'tex' ) {
1.300 albertel 3261: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3262: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3263: (($target eq 'tex') && !$pav)) {
1.326 albertel 3264: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3265: }
3266: }
3267: return '';
1.24 albertel 3268: }
3269:
1.25 albertel 3270: sub end_postanswerdate {
1.159 albertel 3271: return '';
1.24 albertel 3272: }
3273:
1.25 albertel 3274: sub start_notsolved {
1.326 albertel 3275: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3276: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3277: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3278: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3279: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3280: if ($gradestatus =~ /^correct/ &&
3281: &Apache::response::show_answer()) {
1.159 albertel 3282: &Apache::lonxml::debug("skipping");
1.326 albertel 3283: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3284: }
1.24 albertel 3285: }
1.159 albertel 3286: return '';
1.24 albertel 3287: }
3288:
1.25 albertel 3289: sub end_notsolved {
1.159 albertel 3290: return '';
1.24 albertel 3291: }
3292:
3293: sub start_solved {
1.326 albertel 3294: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3295: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3296: $target eq 'tex') {
3297: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3298: if ($gradestatus !~ /^correct/ ||
3299: !&Apache::response::show_answer()) {
1.326 albertel 3300: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3301: }
1.24 albertel 3302: }
1.159 albertel 3303: return '';
1.24 albertel 3304: }
3305:
3306: sub end_solved {
1.248 albertel 3307: return '';
3308: }
3309:
3310: sub start_problemtype {
1.326 albertel 3311: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3312: my $result;
1.339 albertel 3313: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3314: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3315: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3316: if (!defined($mode)) { $mode='show'; }
3317: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3318: my $found=0;
3319: foreach my $type (split(',',$for)) {
3320: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3321: }
3322: if ($mode eq 'show' && !$found) {
1.326 albertel 3323: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3324: }
3325: if ($mode eq 'hide' && $found) {
1.326 albertel 3326: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3327: }
3328: } elsif ($target eq 'edit') {
3329: $result .=&Apache::edit::tag_start($target,$token);
3330: $result.=&Apache::edit::select_arg('Mode:','mode',
3331: [['show','Show'],
3332: ['hide','Hide']]
3333: ,$token);
3334: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 3335: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 3336: ['survey','Survey'],
1.465 raeburn 3337: ['surveycred','Survey (with credit)'],
3338: ['anonsurvey','Anonymous Survey'],
3339: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3340: ['problem','Homework Problem'],
1.479 raeburn 3341: ['practice','Practice Problem'],
3342: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3343: ,$token);
3344: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3345: } elsif ($target eq 'modified') {
3346: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3347: $safeeval,'mode','for');
3348: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3349: }
3350: return $result;
3351: }
3352:
3353: sub end_problemtype {
1.159 albertel 3354: return '';
1.24 albertel 3355: }
1.34 albertel 3356:
3357: sub start_startouttext {
1.159 albertel 3358: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3359: my @result=(''.'');
3360: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3361:
3362: my $nesting =
3363: &Apache::lonxml::set_state('outtext',
3364: &Apache::lonxml::get_state('outtext')+1);
3365: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3366: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3367: }
1.159 albertel 3368: return (@result);
1.34 albertel 3369: }
1.159 albertel 3370:
1.34 albertel 3371: sub end_startouttext {
1.326 albertel 3372: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3373: my $result='';
3374: my $text='';
3375: if ($target eq 'edit') {
1.424 foxr 3376: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3377: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3378: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3379: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3380: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3381: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3382: .'</span></td>'
1.550 raeburn 3383: .'<td><span id="math_'.$areaid.'">';
1.579 raeburn 3384: if (&Apache::loncommon::nocodemirror()) {
1.550 raeburn 3385: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3386: } else {
3387: $result.=' ';
3388: }
3389: $result.='</span></td>'
1.474 raeburn 3390: .'<td>'
3391: .&Apache::edit::insertlist($target,$token)
3392: .'</td>'
1.515 golterma 3393: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3394: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3395: &Apache::edit::end_row().
1.362 albertel 3396: &Apache::edit::start_spanning_row()."\n".
1.255 www 3397: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3398: }
3399: if ($target eq 'modified') {
1.219 albertel 3400: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3401: }
3402: if ($target eq 'tex') {
3403: $result .= '\noindent ';
3404: }
3405: return $result;
1.34 albertel 3406: }
1.159 albertel 3407:
1.34 albertel 3408: sub start_endouttext {
1.159 albertel 3409: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3410: my $result='';
3411: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3412: if ($target eq "modified") {
3413: $result='<endouttext />'.
1.377 albertel 3414: &Apache::edit::handle_insertafter('startouttext');
3415: }
1.404 albertel 3416:
3417: my $nesting =
3418: &Apache::lonxml::set_state('outtext',
3419: &Apache::lonxml::get_state('outtext')-1);
3420: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3421: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3422: &Apache::lonxml::set_state('outtext', 0);
3423: }
1.159 albertel 3424: return $result;
1.34 albertel 3425: }
1.159 albertel 3426:
1.34 albertel 3427: sub end_endouttext {
1.159 albertel 3428: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3429: my @result=('','');
3430: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3431: return (@result);
1.34 albertel 3432: }
1.159 albertel 3433:
1.45 albertel 3434: sub delete_startouttext {
1.326 albertel 3435: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3436: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3437: my $text=$$parser['-1']->get_text("/endouttext");
3438: my $ntoken=$$parser['-1']->get_token();
3439: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3440: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3441: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3442: # they did the last time round
3443: &Apache::lonxml::increasedepth($ntoken);
3444: &Apache::lonxml::decreasedepth($ntoken);
3445: return 1;
1.193 www 3446: }
3447:
3448: sub start_simpleeditbutton {
3449: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3450: my $result='';
1.284 albertel 3451: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3452: ($target eq 'web') &&
1.330 albertel 3453: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3454: my $url=$env{'request.noversionuri'};
1.193 www 3455: $url=~s/\?.*$//;
1.367 albertel 3456: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3457: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3458: # $result='<p class="LC_warning">'
3459: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3460: # .&Apache::loncommon::help_open_topic('Caching')
3461: # .'</p>';
1.486 www 3462: $result.=&Apache::loncommon::head_subbox(
3463: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3464: .&Apache::lonhtmlcommon::add_item_funclist(
3465: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3466: .&mt('Edit').'</a>')
1.486 www 3467: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3468:
1.193 www 3469: }
3470: return $result;
3471: }
3472:
3473: sub end_simpleeditbutton {
3474: return '';
1.45 albertel 3475: }
1.34 albertel 3476:
1.428 raeburn 3477: sub practice_problem_header {
1.556 raeburn 3478: return '<h3 class="LC_info">'.&mt('Practice Problem').'</h3>'.
1.428 raeburn 3479: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3480: '</span>';
3481: }
3482:
1.479 raeburn 3483: sub randomizetry_problem_header {
1.566 raeburn 3484: my ($problemstatus,$reqtries,$symb) = @_;
1.479 raeburn 3485: my ($header,$text);
3486: if ($reqtries > 1) {
3487: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3488: if (($problemstatus eq 'no') ||
3489: ($problemstatus eq 'no_feedback_ever')) {
3490: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3491: } else {
3492: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3493: }
3494: } else {
3495: $header = &mt('New Problem Variation Each Try');
3496: if (($problemstatus eq 'no') ||
3497: ($problemstatus eq 'no_feedback_ever')) {
3498: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3499:
3500: } else {
3501: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3502: }
3503: }
1.566 raeburn 3504: if (($env{'request.state'} eq "construct") || ($symb eq '')) {
3505: return '<div class="LC_info" id="LC_randomizetry_header" style="display:none">'.
3506: '<h3>'.$header.'</h3><span class="LC_info">'.$text.'</span><hr /></div>';
3507: } else {
3508: return '<h3 class="LC_info">'.$header.'</h3>'.
3509: '<span class="LC_info">'.$text.'</span><hr />';
3510: }
1.479 raeburn 3511: }
3512:
3513: sub randomizetry_part_header {
3514: my ($problemstatus,$reqtries,$num) = @_;
3515: my ($header,$text);
3516: if ($reqtries eq 'none') {
3517: $header = &mt('No Question Variation');
1.570 raeburn 3518: $text = &mt('For this question there will be no new variation after a try.');
1.479 raeburn 3519: } elsif ($reqtries > 1) {
3520: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3521: if (($problemstatus eq 'no') ||
3522: ($problemstatus eq 'no_feedback_ever')) {
3523: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3524: } else {
3525: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3526: }
3527: } else {
3528: $header = &mt('New Question Variation For Each Try');
3529: if (($problemstatus eq 'no') ||
3530: ($problemstatus eq 'no_feedback_ever')) {
3531: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3532: } else {
3533: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3534: }
3535: }
3536: my $output;
3537: if ($num > 1) {
3538: $output .= '<hr />';
3539: }
1.556 raeburn 3540: $output .= '<h4 class="LC_info">'.$header.'</h4>'.
1.479 raeburn 3541: '<span class="LC_info">'.$text.'</span><br /><br />';
3542: return $output;
3543: }
3544:
1.1 albertel 3545: 1;
3546: __END__
1.435 jms 3547:
3548: =pod
3549:
3550: =back
3551:
3552: =cut
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