Annotation of loncom/homework/structuretags.pm, revision 1.583
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.583 ! raeburn 4: # $Id: structuretags.pm,v 1.582 2023/11/28 04:48:15 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);
1.583 ! raeburn 1442: my ($passback,$pbscope);
! 1443: if ($scope eq 'res') {
1.575 raeburn 1444: if ($deeplink_symb eq $symb) {
1445: $passback = 1;
1.583 ! raeburn 1446: $pbscope = 'resource';
1.575 raeburn 1447: }
1448: } elsif ($scope eq 'map') {
1449: if (&Apache::lonnet::clutter($deeplink_map) eq $map) {
1450: $passback = 1;
1.583 ! raeburn 1451: $pbscope = 'nonrec';
! 1452: }
! 1453: } elsif ($scope eq 'rec') {
! 1454: my @recurseup = &get_map_hierarchy($map,$env{'request.course.id'});
! 1455: if (grep(/^\Q$deeplink_map\E$/,@recurseup)) {
! 1456: $passback = 1;
! 1457: $pbscope = 'map';
1.575 raeburn 1458: }
1459: }
1.583 ! raeburn 1460: return ($passback,$pbscope,$deeplink_map,$deeplink_symb,$crsdef,$itemnum,$lti_in_use);
1.575 raeburn 1461: }
1462: }
1463: }
1464: }
1465: }
1466: }
1467:
1.435 jms 1468: =pod
1469:
1.524 raeburn 1470: =item check_correctness_changes()
1471:
1472: For all parts for which current results contain a solved status
1.576 raeburn 1473: of "incorrect_attempted", check if there was a transaction in which
1474: solved was set to "correct_by_student" in the time since the last
1475: transaction (retrieved when &initialize_storage() was called i.e.,
1.524 raeburn 1476: when &start_problem() was called), unless:
1477: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1478: (b) problemstatus is set to no or no_feedback_ever
1.576 raeburn 1479: If such a transaction exists, and did not occur after "reset status"
1.524 raeburn 1480: by a user with grading privileges, then the current transaction is an
1481: example of an out-of-order transaction (i.e., incorrect occurring after
1482: correct). Accordingly, the current transaction should be hidden.
1483:
1484: =cut
1485:
1486:
1487: sub check_correctness_changes {
1488: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1489: my @parts_to_hide;
1490: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1491: return @parts_to_hide;
1492: }
1493: if (@{$parts}) {
1494: my $usec;
1495: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1496: ($env{'request.course.id'} eq $courseid)) {
1497: $usec = $env{'request.course.sec'};
1498: } else {
1499: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1500: }
1501: foreach my $id (@{$parts}) {
1502: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1503: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1504: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1505: my $reset;
1506: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1507: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1508: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1509: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1510: $reset = 1;
1511: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1512: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1513: unless ($reset) {
1514: push(@parts_to_hide,$id);
1515: last;
1516: }
1517: }
1518: }
1519: }
1520: }
1521: return @parts_to_hide;
1522: }
1523:
1524: =pod
1525:
1.435 jms 1526: item store_aggregates()
1527:
1528: Sends hash of values to be incremented in nohist_resourcetracker.db
1529: for the course. Increments total number of attempts, unique students
1530: and corrects for each part for an instance of a problem, as appropriate.
1531:
1532: =cut
1533:
1.285 raeburn 1534: sub store_aggregates {
1535: my ($symb,$courseid) = @_;
1.479 raeburn 1536: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1537: my @parts;
1.288 albertel 1538: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1539: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1540: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1541: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1542: push(@parts, $1);
1.285 raeburn 1543: }
1544: }
1.286 albertel 1545: foreach my $part (@parts) {
1.470 raeburn 1546: if ($env{'request.role'} =~/^st/) {
1547: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1548: eq 'APPROX_ANS' ||
1549: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1550: eq 'EXACT_ANS') {
1551: $aggregate{$symb."\0".$part."\0correct"} = 1;
1552: }
1553: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1554: $aggregate{$symb."\0".$part."\0users"} = 1;
1555: } else {
1556: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1557: if ($last_reset) {
1558: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1559: $aggregate{$symb."\0".$part."\0users"} = 1;
1560: }
1561: }
1562: }
1563: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1564: }
1.470 raeburn 1565: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1566: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1567: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1568: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1569: $randtrycounter{$symb."\0".$part} = 1;
1570: } else {
1571: $anoncounter{$symb."\0".$part} = 1;
1572: }
1.545 raeburn 1573: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.'::'};
1.537 raeburn 1574: if ($needsrelease) {
1.470 raeburn 1575: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1576: if ($curr_required eq '') {
1.471 raeburn 1577: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1578: } else {
1579: my ($currmajor,$currminor) = split(/\./,$curr_required);
1580: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1581: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1582: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1583: }
1.292 raeburn 1584: }
1585: }
1.285 raeburn 1586: }
1587: }
1.526 raeburn 1588: if (keys(%aggregate) > 0) {
1.289 albertel 1589: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1590: $cdomain,$cname);
1591: }
1.472 raeburn 1592: if (keys(%anoncounter) > 0) {
1.481 raeburn 1593: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1594: $cdomain,$cname);
1.472 raeburn 1595: }
1.479 raeburn 1596: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1597: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1598: $cdomain,$cname);
1.479 raeburn 1599: }
1.292 raeburn 1600: }
1.289 albertel 1601:
1.557 raeburn 1602: sub access_status_msg {
1603: my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_;
1604: my $msg;
1605: if ($target eq 'web') {
1606: if ($status eq 'UNAVAILABLE') {
1607: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1608: } elsif ($status eq 'NOT_IN_A_SLOT') {
1609: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1610: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1611: ($status eq 'NOTRESERVABLE')) {
1612: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1613: } elsif ($status ne 'NOT_YET_VIEWED') {
1614: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1615: }
1616: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1617: $msg.=&mt('The problem ').$accessmsg;
1618: } elsif ($status eq 'UNCHECKEDOUT') {
1619: $msg.=&checkout_msg();
1620: } elsif ($status eq 'NOT_YET_VIEWED') {
1621: $msg.=&firstaccess_msg($accessmsg,$symb);
1622: } elsif ($status eq 'NOT_IN_A_SLOT') {
1623: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1624: } elsif ($status eq 'RESERVABLE') {
1625: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1626: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1627: '<br />'.
1628: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1629: } elsif ($status eq 'RESERVABLE_LATER') {
1630: $msg.=&mt('Window to make a reservation will open [_1].',
1631: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1632: } elsif ($status eq 'NOTRESERVABLE') {
1633: $msg.=&mt('Not available to make a reservation.');
1634: } elsif ($status eq 'NEED_DIFFERENT_IP') {
1635: if ($ipused) {
1636: $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");
1637: } else {
1638: $msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
1639: &mt('Somebody else has already used this particular computer for that purpose.');
1640: }
1641: }
1642: $msg.='<br />';
1643: } elsif ($target eq 'tex') {
1644: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1645: : '\begin{minipage}{\textwidth}';
1646:
1647: $msg ='\noindent \vskip 1 mm '.
1648: $startminipage.'\vskip 0 mm';
1649: if ($status eq 'UNAVAILABLE') {
1650: $msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1651: } else {
1652: $msg.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1653: }
1654: }
1655: return $msg;
1656: }
1657:
1658: sub checkin_prompt {
1659: my ($target,$slot_name,$slot,$type) = @_;
1660: my $result;
1661: if ($target eq 'web') {
1662: $result = &Apache::bridgetask::proctor_validation_screen($slot);
1663: } elsif ($target eq 'grade') {
1664: if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) {
1665: $result = &mt('An error occurred during check-in');
1666: }
1667: }
1668: return $result;
1669: }
1670:
1671: sub selfcheckin_resource {
1672: my ($resource_due,$slot_name,$slot,$symb) = @_;
1673: if ($slot_name ne '') {
1674: my $checked_in =
1675: $Apache::lonhomework::history{'resource.0.checkedin'};
1676: if ($checked_in eq '') {
1677: # unproctored slot access, self checkin
1678: my $needsiptied;
1679: if (ref($slot)) {
1680: $needsiptied = $slot->{'iptied'};
1681: }
1682: my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1683: $slot_name,$needsiptied);
1684: if ($check =~ /^error: /) {
1685: &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name");
1686: } else {
1687: $checked_in = $Apache::lonhomework::results{"resource.0.checkedin"};
1688: }
1689: }
1690: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1691: if ($slot->{'starttime'} < time()) {
1692: if (!$resource_due) {
1693: $resource_due = $slot->{'endtime'};
1694: } elsif ($slot->{'endtime'} < $resource_due) {
1695: $resource_due = $slot->{'endtime'};
1696: }
1697: }
1698: }
1699: }
1700: return $resource_due;
1701: }
1702:
1.65 albertel 1703: sub checkout_msg {
1.211 albertel 1704: my %lt=&Apache::lonlocal::texthash(
1705: 'resource'=>'The resource needs to be checked out',
1706: '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.',
1707: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 1708: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
1709: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 1710: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1711: return (<<ENDCHECKOUT);
1.211 albertel 1712: <h2>$lt{'resource'}</h2>
1713: <p>$lt{'id_expln'}</p>
1.449 bisitz 1714: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1715: <form name="checkout" method="post" action="$uri">
1.91 albertel 1716: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1717: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1718: </form>
1719: ENDCHECKOUT
1720: }
1721:
1.252 albertel 1722: sub firstaccess_msg {
1.253 albertel 1723: my ($time,$symb)=@_;
1.414 albertel 1724: my $result;
1725: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1726: if ($interval[1] eq 'map') {
1727: my ($map)=&Apache::lonnet::decode_symb($symb);
1728: my $foldertitle=&Apache::lonnet::gettitle($map);
1729:
1730: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1731: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1732: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1733: ,$foldertitle,$time)."</p>";
1.414 albertel 1734: } elsif ($interval[1] eq 'course') {
1735: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1736: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1737: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1738: ,$course,$time)."</p>";
1.414 albertel 1739: } else {
1740: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1741: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1742: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1743: ,$title,$time)."</p>";
1.414 albertel 1744: }
1.352 albertel 1745: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1746: my $buttontext = &mt('Show Resource');
1747: my $timertext = &mt('Start Timer?');
1.571 raeburn 1748: my $shownsymb = &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb),'\'"<>&');
1.414 albertel 1749: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1750: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1751: <input type="hidden" name="markaccess" value="yes" />
1.571 raeburn 1752: <input type="hidden" name="symb" value="$shownsymb" />
1.514 bisitz 1753: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1754: </form>
1755: ENDCHECKOUT
1.414 albertel 1756: return $result;
1.252 albertel 1757: }
1758:
1.204 albertel 1759: sub init_problem_globals {
1760: my ($type)=@_;
1761: #initialize globals
1.308 foxr 1762: # For problems, we start out in part 0 (outside a <part> tag).
1763: # and part 0 is used to describe the main body of the <problem>
1764: #
1.204 albertel 1765: if ($type eq 'problem') {
1766: $Apache::inputtags::part='0';
1767: @Apache::inputtags::partlist=('0');
1.405 albertel 1768: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1769: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1770:
1.266 albertel 1771: } elsif ($type eq 'library') {
1.204 albertel 1772: $Apache::inputtags::part='';
1773: @Apache::inputtags::partlist=();
1.405 albertel 1774: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1775: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1776:
1.304 albertel 1777: } elsif ($type eq 'Task') {
1778: $Apache::inputtags::part='0';
1779: @Apache::inputtags::partlist=('0');
1.405 albertel 1780: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1781: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1782: }
1.477 www 1783: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1784: @Apache::inputtags::responselist = ();
1785: @Apache::inputtags::importlist = ();
1786: @Apache::inputtags::previous=();
1787: @Apache::inputtags::previous_version=();
1.536 raeburn 1788: $Apache::inputtags::leniency='';
1.204 albertel 1789: $Apache::structuretags::printanswer='No';
1790: @Apache::structuretags::whileconds=();
1791: @Apache::structuretags::whilebody=();
1792: @Apache::structuretags::whileline=();
1793: $Apache::lonhomework::scantronmode=0;
1.566 raeburn 1794: $Apache::lonhomework::randomizetrypart=0;
1.204 albertel 1795: undef($Apache::lonhomework::name);
1.358 albertel 1796: undef($Apache::lonhomework::default_type);
1797: undef($Apache::lonhomework::type);
1.204 albertel 1798: }
1799:
1800: sub reset_problem_globals {
1801: my ($type)=@_;
1802: undef(%Apache::lonhomework::history);
1803: undef(%Apache::lonhomework::results);
1804: undef($Apache::inputtags::part);
1.536 raeburn 1805: undef($Apache::inputtags::leniency);
1.498 raeburn 1806: if ($type eq 'Task') {
1807: undef($Apache::inputtags::slot_name);
1.528 raeburn 1808: } elsif ($type eq 'problem') {
1809: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1810: }
1.208 albertel 1811: #don't undef this, lonhomework.pm takes care of this, we use this to
1812: #detect if we try to do 2 problems in one file
1813: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1814: undef($Apache::lonhomework::name);
1.358 albertel 1815: undef($Apache::lonhomework::default_type);
1816: undef($Apache::lonhomework::type);
1817: undef($Apache::lonhomework::scantronmode);
1.566 raeburn 1818: undef($Apache::inputtags::randomizetrypart);
1.358 albertel 1819: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1820: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1821: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1822: }
1823:
1.241 albertel 1824: sub set_problem_state {
1.240 albertel 1825: my ($part)=@_;
1.284 albertel 1826: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1827: $Apache::lonhomework::history{"resource.$part.solved"}=
1828: 'correct_by_student';
1829: }
1830: }
1831:
1.241 albertel 1832: sub get_problem_status {
1833: my ($part)=@_;
1.267 albertel 1834: my $problem_status;
1.284 albertel 1835: if ($env{'request.state'} eq 'construct' &&
1836: defined($env{'form.problemstatus'})) {
1837: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1838: } else {
1839: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1840: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1841: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1842: }
1843: return $problem_status;
1844: }
1845:
1.9 albertel 1846: sub start_problem {
1.326 albertel 1847: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1848:
1.311 foxr 1849: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1850: if (!$Apache::lonxml::metamode) {
1851: &Apache::lonxml::startredirection();
1852: }
1.311 foxr 1853:
1.308 foxr 1854: # Problems don't nest and we don't allow more than one <problem> in
1855: # a .problem file.
1856: #
1.184 albertel 1857: if ( $Apache::inputtags::part ne '' ||
1858: $Apache::lonhomework::parsing_a_problem) {
1859: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1860: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1861: return '';
1862: }
1.184 albertel 1863:
1864: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1865: &init_problem_globals('problem');
1.166 albertel 1866:
1.284 albertel 1867: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1868: $Apache::lonhomework::scantronmode=1;
1869: }
1.161 albertel 1870:
1.159 albertel 1871: if ($target ne 'analyze') {
1.415 raeburn 1872: my $type = &Apache::lonnet::EXT('resource.0.type');
1873: $Apache::lonhomework::type=$type;
1.284 albertel 1874: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1875: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1876: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1877: }
1.332 albertel 1878: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1879: }
1.164 albertel 1880: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1881: my $uri=$env{'request.uri'};
1.159 albertel 1882: if ($uri=~/\.(\w+)$/) {
1883: $Apache::lonhomework::type=$1;
1884: &Apache::lonxml::debug("Using type of $1");
1885: } else {
1886: $Apache::lonhomework::type='problem';
1887: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1888: }
1.87 albertel 1889: }
1.301 albertel 1890: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1891:
1.363 albertel 1892: &initialize_storage();
1.389 albertel 1893: if ($target ne 'analyze'
1894: && $env{'request.state'} eq 'construct') {
1895: &set_problem_state('0');
1896: }
1897:
1.366 albertel 1898: if ($target eq 'web') {
1899: &Apache::lonxml::debug(" grading history ");
1900: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1901: }
1.363 albertel 1902:
1.159 albertel 1903: #added vars to the scripting enviroment
1.213 albertel 1904: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1905: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1906: &Apache::run::run($expression,$safeeval);
1.159 albertel 1907: my $status;
1908: my $accessmsg;
1.508 raeburn 1909: my $resource_due;
1.540 raeburn 1910: my $ipused;
1.159 albertel 1911:
1.343 albertel 1912: my $name= &get_resource_name($parstack,$safeeval);
1.561 raeburn 1913: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres);
1.506 raeburn 1914:
1915: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1916: $target eq 'tex') {
1917: if ($env{'form.markaccess'}) {
1918: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.539 raeburn 1919: my ($timelimit) = split(/_/,$interval[0]);
1.561 raeburn 1920: my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit);
1921: unless (($is_set eq 'ok') || ($is_set eq 'already_set')) {
1922: $firstaccres = $is_set;
1923: }
1.506 raeburn 1924: }
1925: }
1926:
1.354 albertel 1927: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1928: || $target eq 'edit') {
1.528 raeburn 1929: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1930: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1931: $name);
1.552 raeburn 1932: } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
1933: ($target eq 'answer')) {
1.528 raeburn 1934: my ($symb)= &Apache::lonnet::whichuser();
1.568 raeburn 1935: if ($symb ne '') {
1936: my $navmap = Apache::lonnavmaps::navmap->new();
1937: if (ref($navmap)) {
1938: my $res = $navmap->getBySymb($symb);
1939: if (ref($res)) {
1940: $probpartlist = $res->parts();
1941: }
1.528 raeburn 1942: }
1943: }
1.350 albertel 1944: }
1945:
1.574 raeburn 1946: if (($target eq 'web') && ($env{'request.user_in_effect'})) {
1947: &Apache::lonxml::get_all_text("/problem",$parser,$style);
1948: return $result;
1949: }
1950:
1.552 raeburn 1951: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1952: $target eq 'tex') {
1953:
1954: my ($symb)= &Apache::lonnet::whichuser();
1955: ($status,$accessmsg,$slot_name,$slot,$ipused) =
1956: &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
1957: push (@Apache::inputtags::status,$status);
1958: }
1959:
1.284 albertel 1960: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1961:
1.479 raeburn 1962: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1963: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1964: $target eq 'tex') {
1.479 raeburn 1965:
1.568 raeburn 1966: my ($symb) = &Apache::lonnet::whichuser();
1.159 albertel 1967: #handle rand seed in construction space
1.568 raeburn 1968: if (($env{'request.state'} eq 'construct') || ($symb eq '')) {
1969: my $partorder=&Apache::lonnet::metadata($env{'request.uri'},'partorder');
1970: if ($partorder ne '') {
1971: @{$probpartlist} = split(/,/,$partorder);
1972: }
1973: }
1.528 raeburn 1974: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1975: if (($target eq 'grade') && &Apache::response::submitted()) {
1976: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1977: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1978: } else {
1979: my @parts;
1980: if (ref($probpartlist) eq 'ARRAY') {
1981: @parts = @{$probpartlist};
1982: }
1983: unless (@parts) {
1.529 raeburn 1984: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1985: }
1986: }
1987: }
1.479 raeburn 1988:
1.333 albertel 1989: if ($env{'request.state'} ne "construct" &&
1990: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.565 raeburn 1991: my $rndseedval = $rndseed;
1992: if (($symb eq '') && ($Apache::lonhomework::type eq 'randomizetry')) {
1993: $rndseedval = $env{'form.rndseed'};
1994: }
1.162 albertel 1995: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.565 raeburn 1996: $rndseedval.'" />'.
1.551 damieng 1997: '<button type="submit" name="resetdata"
1998: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1999: if (exists($env{'form.username'})) {
2000: $form_tag_start.=
1.164 albertel 2001: '<input type="hidden" name="username"
1.284 albertel 2002: value="'.$env{'form.username'}.'" />';
1.334 albertel 2003: }
1.462 raeburn 2004: if ($env{'request.role.adv'}) {
2005: $form_tag_start.= ' <label class="LC_nobreak">'
2006: .'<input type="checkbox" name="showallfoils"';
2007: if (defined($env{'form.showallfoils'})) {
2008: $form_tag_start.=' checked="checked"';
2009: }
2010: $form_tag_start.= ' /> '
2011: .&mt('Show All Foils')
2012: .'</label>';
2013: }
1.417 www 2014: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 2015: $form_tag_start.=&practice_problem_header();
1.417 www 2016: }
1.462 raeburn 2017: $form_tag_start.='<hr />';
1.570 raeburn 2018: }
1.565 raeburn 2019: if (($env{'request.state'} ne "construct") &&
2020: ($Apache::lonhomework::type eq 'randomizetry') &&
2021: ($status eq 'CAN_ANSWER') &&
2022: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
2023: (!$env{'request.role.adv'})) {
1.549 raeburn 2024: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.566 raeburn 2025: my @parts;
2026: if (ref($probpartlist) eq 'ARRAY') {
2027: @parts = @{$probpartlist};
2028: }
2029: unless (@parts) {
2030: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2031: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2032: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries,$symb);
2033: }
1.479 raeburn 2034: }
1.324 albertel 2035:
1.159 albertel 2036: my $expression='$external::datestatus="'.$status.'";';
2037: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
2038: &Apache::run::run($expression,$safeeval);
2039: &Apache::lonxml::debug("Got $status");
1.324 albertel 2040:
1.159 albertel 2041: if (( $status eq 'CLOSED' ) ||
2042: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2043: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 2044: ( $status eq 'BANNED') ||
1.216 albertel 2045: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 2046: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 2047: ( $status eq 'NOTRESERVABLE') ||
2048: ( $status eq 'RESERVABLE') ||
2049: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 2050: ( $status eq 'INVALID_ACCESS') ||
2051: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 2052: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2053: $style);
1.561 raeburn 2054: if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
2055: $result .= '<p class="LC_error">'.
2056: &mt('A problem occurred when trying to start the timer.').'</p>';
2057: }
1.557 raeburn 2058: $result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);
1.324 albertel 2059: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 2060: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2061: $style);
1.557 raeburn 2062: $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 2063: } elsif ($target eq 'web') {
1.508 raeburn 2064: if ($status eq 'CAN_ANSWER') {
2065: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
2066: if ($slot_name ne '') {
1.557 raeburn 2067: $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
2068: $env{'request.symb'});
1.508 raeburn 2069: }
2070: if ($resource_due) {
2071: my $time_left = $resource_due - time();
2072: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
2073: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
2074: }
2075: }
2076: }
1.368 albertel 2077: $result.="\n $form_tag_start \t".
1.227 albertel 2078: '<input type="hidden" name="submitted" value="yes" />';
2079: # create a page header and exit
1.284 albertel 2080: if ($env{'request.state'} eq "construct") {
1.544 damieng 2081: if ($env{'form.inhibitmenu'} eq 'yes') {
2082: # error messages can be useful in any case
2083: $result.= &Apache::lonxml::message_location();
2084: } else {
1.542 raeburn 2085: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
2086: }
1.428 raeburn 2087: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2088: $result.= '<button type="submit" name="resetdata" '.
2089: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2090: &practice_problem_header().'<hr />';
1.564 raeburn 2091: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
2092: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2093: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2094: $result.=&randomizetry_problem_header($problemstatus,$reqtries);
1.428 raeburn 2095: }
1.227 albertel 2096: }
2097: # if we are viewing someone else preserve that info
1.284 albertel 2098: if (defined $env{'form.grade_symb'}) {
1.227 albertel 2099: foreach my $field ('symb','courseid','domain','username') {
2100: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 2101: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 2102: }
1.479 raeburn 2103: foreach my $field ('trial','questiontype') {
2104: if ($env{"form.grade_$field"} ne '') {
2105: $result .= '<input type="hidden" name="grade_'.$field.
2106: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
2107: }
2108: }
1.159 albertel 2109: }
1.490 raeburn 2110: if ($env{'form.grade_imsexport'}) {
2111: $result = '';
2112: }
1.159 albertel 2113: } elsif ($target eq 'tex') {
1.319 foxr 2114: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 2115: $result .= &select_metadata_hyphenation();
1.99 sakharuk 2116: }
1.159 albertel 2117: } elsif ($target eq 'edit') {
1.343 albertel 2118: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 2119: $Apache::lonxml::warnings_error_header=
2120: &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 2121: my $temp=&Apache::edit::insertlist($target,$token);
2122: $result.=$temp;
2123: } elsif ($target eq 'modified') {
2124: $result=$token->[4];
2125: } else {
2126: # page_start returned a starting result, delete it if we don't need it
2127: $result = '';
1.99 sakharuk 2128: }
1.159 albertel 2129: return $result;
1.9 albertel 2130: }
2131:
2132: sub end_problem {
1.159 albertel 2133: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 2134: my $result;
1.310 foxr 2135:
1.321 albertel 2136: if (!$Apache::lonxml::metamode) {
2137: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 2138: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2139: }
1.319 foxr 2140:
2141: if ($target eq 'tex') {
1.321 albertel 2142: # Figure out the front matter and replace the
2143: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
2144: # this in end_problem because whether or not we display due
2145: # dates depends on whether due dates have already been
2146: # displayed in the problem parts.
2147:
1.319 foxr 2148: my $frontmatter = '';
2149: my $startminipage = '';
2150: if (not $env{'form.problem_split'}=~/yes/) {
2151: $startminipage = '\begin{minipage}{\textwidth}';
2152: }
2153: my $id = $Apache::inputtags::part;
2154: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
2155: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2156: my @packages = split(/,/,$packages);
1.319 foxr 2157: my $allow_print_points = 0;
2158: foreach my $partial_key (@packages) {
2159: if ($partial_key=~m/^part_0$/) {
2160: $allow_print_points=1;
2161: }
2162: }
2163: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2164: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
2165: if (lc($env{'course.'.$env{'request.course.id'}.
2166: '.disableexampointprint'}) eq 'yes') {
2167: $allow_print_points=0;
2168: }
2169: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 2170: 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 2171: &clear_required_languages();
1.319 foxr 2172: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
2173: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
2174:
2175: # Figure out what the due date is and if we need to print
2176: # it in the problem header. We have been logging the
2177: # last due date written to file.
2178:
2179: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2180: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2181: my $duedate_text = &mt('Due date: [_1]'
2182: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2183: my $temp_file;
2184: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2185:
2186: # Figure out what the last printed due date is or set it
2187: # to the epoch if no duedates have been printed.
2188:
2189: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2190: if (-e $filename) {
2191: $temp_file = Apache::File->new($filename);
2192: my @due_file = <$temp_file>;
2193: $due_file_content = $due_file[$#due_file];
2194: chomp $due_file_content;
2195: }
2196:
2197: # We display the due date iff it is not the same as the last
2198: # duedate in problem header ($due_file_content), and
2199: # none of our parts displayed a duedate.
2200: #
2201: my $parts_with_displayduedate;
2202: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2203: $parts_with_displayduedate =
2204: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2205: } else {
2206: $parts_with_displayduedate = 0;
2207: }
2208: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2209: $temp_file = Apache::File->new('>'.$filename);
2210: print $temp_file "$duetime\n";
2211: if (not $env{'request.symb'} =~ m/\.page_/) {
2212: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2213: $frontmatter .= $begin_doc.
1.448 bisitz 2214: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2215: } else {
2216: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2217: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2218: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2219: }
1.319 foxr 2220: }
2221: } else {
1.448 bisitz 2222: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2223: }
2224: } else {
2225: if (not $env{'request.symb'} =~ m/\.page_/) {
2226: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2227: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2228: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2229: }
1.319 foxr 2230: } else {
1.381 albertel 2231: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2232: }
2233: }
2234: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1.574 raeburn 2235: } elsif ($target eq 'web') {
2236: if ($env{'request.user_in_effect'}) {
2237: &reset_problem_globals('problem');
2238: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
2239: return $result;
2240: }
1.319 foxr 2241: }
2242:
1.159 albertel 2243: my $status=$Apache::inputtags::status['-1'];
2244: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2245: $target eq 'tex') {
1.249 albertel 2246: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2247: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2248: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2249: &Apache::inputtags::grade;
1.324 albertel 2250: } elsif ($status eq 'NEEDS_CHECKIN') {
2251: # no need to grade, and don't want to hide data
1.249 albertel 2252: } else {
2253: # move any submission data to .hidden
2254: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2255: }
1.159 albertel 2256: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2257: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2258: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2259: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2260: # if part is zero, no <part>s existed, so we need show the current
2261: # grading status
2262: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2263: $result.= $gradestatus;
2264: }
2265: if (
1.284 albertel 2266: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2267: ($target eq 'answer') || ($target eq 'tex')
2268: ) {
1.490 raeburn 2269: if (($target ne 'tex') &&
2270: ($env{'form.answer_output_mode'} ne 'tex') &&
2271: (!$env{'form.grade_imsexport'})) {
1.254 www 2272: $result.="</form>";
1.159 albertel 2273: }
2274: if ($target eq 'web') {
1.507 raeburn 2275: #
2276: # Closing </body></html> not added by end_page().
2277: # Added separately at end of this routine, after added
2278: # <script></script> so document will be valid xhtml.
2279: #
1.546 raeburn 2280: my $showdisc = 1;
1.547 raeburn 2281: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
2282: (!$env{'request.role.adv'})) {
2283: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 2284: $showdisc = 0;
1.547 raeburn 2285: my ($symb)= &Apache::lonnet::whichuser();
2286: if ($symb) {
2287: my $navmap = Apache::lonnavmaps::navmap->new();
2288: if (ref($navmap)) {
2289: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
2290: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 2291: # and there are no tries left
1.547 raeburn 2292: unless ($hastries) {
2293: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
2294: my ($score,$incomplete) =
2295: &Apache::lonplacementtest::check_completion(undef,undef,1);
2296: if (!$incomplete) {
2297: $result .= &Apache::lonplacementtest::showresult(1,1);
2298: } elsif ($incomplete < 100) {
2299: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
2300: }
2301: } else {
2302: # For Placement Tests score is displayed if test has just been completed
2303: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
2304: if (!$incomplete) {
2305: $result.= &Apache::lonplacementtest::showresult(1,1);
2306: }
2307: }
2308: }
2309: }
2310: }
1.546 raeburn 2311: }
2312: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 2313: 'notbody' => 1});
1.159 albertel 2314: } elsif ($target eq 'tex') {
1.178 sakharuk 2315: my $endminipage = '';
1.284 albertel 2316: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2317: $endminipage = '\end{minipage}';
2318: }
1.284 albertel 2319: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2320: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2321: } else {
1.262 sakharuk 2322: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2323: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2324: $result .= $endminipage.'\end{document} ';
2325: } else {
1.382 albertel 2326: $result .= $endminipage;
1.262 sakharuk 2327: }
1.159 albertel 2328: }
2329: }
2330: }
1.476 www 2331: if ($target eq 'web') {
1.566 raeburn 2332: $result.=&Apache::functionplotresponse::init_script();
2333: if ($Apache::lonhomework::default_type eq 'randomizetry') {
2334: my ($symb) = &Apache::lonnet::whichuser();
2335: if ((($env{'request.state'} eq 'construct') || ($symb eq '')) &&
2336: ($status eq 'CAN_ANSWER')) {
2337: unless (@Apache::inputtags::partlist > 1) {
2338: $result.= <<"ENDJS";
2339: <script type="text/javascript">
2340: // <![CDATA[
2341: \$(document).ready(function() {
2342: \$('#LC_randomizetry_header').css('display','block');
2343: });
2344: // ]]>
2345: </script>
2346: ENDJS
2347: }
2348: }
2349: }
1.476 www 2350: }
1.159 albertel 2351: if ($target eq 'grade') {
2352: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2353: &finalize_storage();
2354: }
1.284 albertel 2355: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2356: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2357: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2358: # normally we get it from above, but in CSTR
1.172 albertel 2359: # we always show answer mode too.
1.159 albertel 2360: }
2361: } elsif ($target eq 'meta') {
2362: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2363: @Apache::inputtags::response=();
1.159 albertel 2364: $result=&Apache::response::mandatory_part_meta;
2365: }
1.559 raeburn 2366: $result.=&Apache::response::meta_part_order('problem');
1.258 albertel 2367: $result.=&Apache::response::meta_response_order();
1.159 albertel 2368: } elsif ($target eq 'edit') {
2369: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2370: $result .= &problem_edit_footer();
1.320 albertel 2371: } elsif ($target eq 'modified') {
2372: $result .= $token->[2];
1.159 albertel 2373: }
1.155 albertel 2374:
1.284 albertel 2375: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2376: &Apache::inputtags::check_for_duplicate_ids();
2377: }
1.204 albertel 2378:
2379: &reset_problem_globals('problem');
1.159 albertel 2380:
1.502 foxr 2381: #
2382: # This shouild be just above the return so that the
2383: # time put in the javascript is as late as possible in the
2384: # computation:
2385: #
2386: if ($target eq 'web') {
1.578 raeburn 2387: $result .= &Apache::lonhtmlcommon::dash_to_minus_js().
2388: &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2389: #
2390: # Closing tags delayed so any <script></script> tags
2391: # not in head can appear inside body, for valid xhtml.
2392: #
2393: $result .= "</body>\n</html>";
1.502 foxr 2394: }
1.159 albertel 2395: return $result;
1.48 albertel 2396: }
2397:
1.108 albertel 2398:
1.48 albertel 2399: sub start_library {
1.159 albertel 2400: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2401: my ($result,$form_tag_start);
1.371 albertel 2402: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2403: &init_problem_globals('library');
2404: $Apache::lonhomework::type='problem';
2405: }
1.159 albertel 2406: if ($target eq 'edit') {
1.343 albertel 2407: ($result,$form_tag_start)=
2408: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2409: 'Edit');
2410: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2411: my $temp=&Apache::edit::insertlist($target,$token);
2412: $result.=$temp;
2413: } elsif ($target eq 'modified') {
2414: $result=$token->[4];
1.340 albertel 2415: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2416: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2417: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2418: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2419: ($result,$form_tag_start)=
2420: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2421: $name);
1.479 raeburn 2422: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2423: $result.=" \n $form_tag_start".
1.159 albertel 2424: '<input type="hidden" name="submitted" value="yes" />';
2425: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2426: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2427: $result.= '<button type="submit" name="resetdata" '.
2428: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2429: &practice_problem_header().'<hr />';
1.428 raeburn 2430: }
1.159 albertel 2431: }
2432: return $result;
1.48 albertel 2433: }
2434:
2435: sub end_library {
1.159 albertel 2436: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2437: my $result='';
2438: if ($target eq 'edit') {
2439: $result=&problem_edit_footer();
1.371 albertel 2440: } elsif ($target eq 'web'
2441: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2442: && $env{'request.state'} eq "construct") {
1.349 albertel 2443: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.558 raeburn 2444: } elsif ($target eq 'meta') {
1.559 raeburn 2445: $result.=&Apache::response::meta_part_order('library');
1.558 raeburn 2446: $result.=&Apache::response::meta_response_order();
1.159 albertel 2447: }
1.371 albertel 2448: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2449: &reset_problem_globals('library');
2450: }
1.159 albertel 2451: return $result;
1.197 www 2452: }
2453:
2454: sub start_definetag {
1.326 albertel 2455: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2456:
2457: my $result;
2458:
2459: my $name = $token->[2]->{'name'};
1.326 albertel 2460: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2461: if ($target eq 'web') {
2462: if ($name=~/^\//) {
2463: $result=
2464: '<br /><table class="LC_sty_end"><tr><th>'.
2465: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2466: } else {
2467: $result=
2468: '<br /><table class="LC_sty_begin"><tr><th>'.
2469: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2470: }
2471: $skip = &HTML::Entities::encode($skip, '<>&"');
2472: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2473: }
2474: return $result;
2475: }
2476:
2477: sub end_definetag {
2478: return '';
1.1 albertel 2479: }
2480:
2481: sub start_block {
1.201 albertel 2482: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2483:
2484: my $result;
1.1 albertel 2485:
1.339 albertel 2486: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2487: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2488: my $code = $token->[2]->{'condition'};
1.385 albertel 2489: if (defined($code) && $code ne '') {
1.137 albertel 2490: if (!$Apache::lonxml::default_homework_loaded) {
2491: &Apache::lonxml::default_homework_load($safeeval);
2492: }
1.131 albertel 2493: $result = &Apache::run::run($code,$safeeval);
2494: &Apache::lonxml::debug("block :$code: returned :$result:");
2495: } else {
2496: $result='1';
2497: }
2498: if ( ! $result ) {
1.201 albertel 2499: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2500: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2501: }
2502: $result='';
2503: } elsif ($target eq 'edit') {
2504: $result .=&Apache::edit::tag_start($target,$token);
2505: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2506: $token,40);
2507: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2508: } elsif ($target eq 'modified') {
2509: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2510: $safeeval,'condition');
2511: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2512: }
1.131 albertel 2513: return $result;
1.1 albertel 2514: }
2515:
2516: sub end_block {
1.167 www 2517: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2518: my $result;
2519: if ($target eq "edit") {
2520: $result.= &Apache::edit::tag_end($target,$token,'');
2521: }
2522: return $result;
2523: }
1.500 foxr 2524: #
2525: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2526: # ...
2527: # </languageblock>
2528: #
2529: # This declares the intent to provide content that can be rendered in the
2530: # set of languages in the include specificatino but not in the exclude
2531: # specification. If a currently preferred language is in the include list
2532: # the content in the <languageblock>...</languageblock> is rendered
2533: # If the currently preferred language is in the exclude list,
2534: # the content in the <languageblock>..></languageblock is not rendered.
2535: #
2536: # Pathalogical case handling:
2537: # - Include specified, without the preferred language but exclude specified
2538: # also without the preferred langauge results in rendering the block.
2539: # - Exclude specified without include and excluden not containing a
2540: # preferred language renders the block.
2541: # - Include and exclude both specifying the preferred language does not
2542: # render the block.
2543: # - If neither include/exclude is specified, the block gets rendered.
2544: #
2545: # This tag has no effect when target is in {edit, modified}
2546: #
1.167 www 2547: sub start_languageblock {
1.201 albertel 2548: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2549:
1.500 foxr 2550: my $result = '';
1.167 www 2551:
1.339 albertel 2552: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2553: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2554: my $include = $token->[2]->{'include'};
2555: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2556: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2557:
2558: # This should not even happen, since we should at least have the server language
2559:
2560: if (!$preferred_languages[0]) {
2561: $preferred_languages[0]='en';
2562: }
2563:
2564: # Now loop over all languages in order of preference
2565:
2566: my $render;
1.398 www 2567: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2568:
2569: # If neither include/nor exlude is present the block is going
2570: # to get rendered.
2571:
1.399 www 2572: my $found=0;
1.500 foxr 2573: $render=1;
2574:
2575: # If include is specified, don't render the block
2576: # unless the preferred language is included in the set.
2577:
1.398 www 2578: if ($include) {
1.500 foxr 2579: $render=0;
1.398 www 2580: foreach my $included_language (split(/\,/,$include)) {
2581: if ($included_language eq $preferred_language) {
1.500 foxr 2582: $render=1;
1.399 www 2583: $found=1;
1.500 foxr 2584: last; # Only need to find the first.
1.398 www 2585: }
2586: }
2587: }
1.500 foxr 2588: # Do we have an exclude argument?
2589: # If so, and one of the languages matches a preferred language
2590: # inhibit rendering the block. Note that in the pathalogical case the
2591: # author has specified a preferred language in both the include and exclude
2592: # attribte exclude is preferred.
2593:
1.398 www 2594: if ($exclude) {
1.500 foxr 2595: $render=1;
1.398 www 2596: foreach my $excluded_language (split(/\,/,$exclude)) {
2597: if ($excluded_language eq $preferred_language) {
1.500 foxr 2598: $render=0;
1.399 www 2599: $found=1;
1.500 foxr 2600: last; # Only need to find the first.
1.398 www 2601: }
2602: }
2603: }
1.500 foxr 2604: if ($found) {
2605: last; # Done on any match of include or exclude.
2606: }
1.398 www 2607: }
1.500 foxr 2608: # If $render not true skip the entire block until </languageblock>
2609: #
2610:
2611: if ( ! $render ) {
1.201 albertel 2612: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2613: $style);
2614: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2615: }
1.500 foxr 2616: # If $render is true, we've not skipped the contents of the <languageglock>
2617: # and the normal loncapa processing flow will render it as a matter of course.
2618:
1.167 www 2619: } elsif ($target eq 'edit') {
2620: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2621: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2622: $token,40);
1.211 albertel 2623: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2624: $token,40);
2625: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2626: } elsif ($target eq 'modified') {
2627: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2628: $safeeval,'include',
2629: 'exclude');
1.167 www 2630: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2631: }
2632: return $result;
2633: }
2634:
2635: sub end_languageblock {
1.170 www 2636: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2637: my $result;
1.201 albertel 2638: if ($target eq "edit") {
1.170 www 2639: $result.= &Apache::edit::tag_end($target,$token,'');
2640: }
2641: return $result;
2642: }
1.500 foxr 2643: # languagblock specific tags:
2644: {
2645: # For chunks of a resource that has translations, this hash contains
2646: # the translations available indexed by language name.
2647: #
2648:
2649: my %available_texts;
1.170 www 2650:
1.500 foxr 2651: # <translated> starts a block of a resource that has multiple translations.
2652: # See the <lang> tag as well.
2653: # When </translated> is encountered if there is a translation for the
2654: # currently preferred language, that is rendered inthe web/tex/webgrade
2655: # targets. Otherwise, the default text is rendered.
2656: #
2657: # Note that <lang> is only registered for the duration of the
2658: # <translated>...</translated> block
2659: #
2660: # Pathalogical case handling:
2661: # - If there is no <lang> that specifies a 'default' and there is no
2662: # translation that matches a preferred language, nothing is rendered.
2663: # - Nested <translated>...</translated> might be linguistically supported by
2664: # XML due to the stack nature of tag registration(?) however the rendered
2665: # output will be incorrect because there is only one %available_texts
2666: # has and end_translated clears it.
2667: # - Material outside of a <lang>...</lang> block within the
2668: # <translated>...<translated> block won't render either e.g.:
2669: # <translated>
2670: # The following will be in your preferred langauge:
2671: # <lang which='en'>
2672: # This section in english
2673: # </lang>
2674: # <lang which='sgeiso'>
2675: # Hier es ist auf Deutsch.
2676: # </lang>
2677: # <lang which='sfriso'>
2678: # En Francais
2679: # </lang>
2680: # </translated>
2681: #
2682: # The introductory text prior to the first <lang> tag is not rendered.
2683: #
1.397 albertel 2684: sub start_translated {
2685: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2686: &Apache::lonxml::register('Apache::structuretags',('lang'));
2687: undef(%available_texts);
2688: }
2689:
2690: sub end_translated {
2691: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2692: my $result;
2693: #show the translation on viewable targets
2694: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2695: # or non-viewable targets, if it's embedded in something that
2696: # wants the output
2697: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2698: && &Apache::lonxml::in_redirection() ) ) {
2699: my @possibilities = keys(%available_texts);
2700: my $which =
2701: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2702: if ($target eq 'tex') {
2703: $result = &select_hyphenation($which);
2704: }
2705: $result .= $available_texts{$which};
2706: if ($target eq 'tex') {
2707: $result .= &select_metadata_hyphenation(); # Restore original language.
2708: }
1.397 albertel 2709: }
2710: undef(%available_texts);
2711: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2712: return $result;
2713: }
2714:
1.500 foxr 2715: # <lang [which='language-name'] [other='lang1,lang2...']>
2716: # Specifies that the block contained within it is a translation
2717: # for a specific language specified by the 'which' attribute. The
2718: # 'other' attribute can be used by itself or in conjunction with
2719: # which to specify this tag _may_ be used as a translation for some
2720: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2721: # specifying that the block provides a translation for US (primary)
2722: # Canadian, Australian and UK Englush.
2723: #
2724: # Comment: this seems a bit silly why not just support a list of languages
2725: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2726: #
2727: # Effect:
2728: # The material within the <lang>..</lang> block is stored in the
2729: # specified set of $available_texts hash entries, the appropriate one
2730: # is selected at </translated> time.
2731: #
2732: # Pathalogical case handling:
2733: # If a language occurs multiple times within a <translated> block,
2734: # only the last one is rendered e.g.:
2735: #
2736: # <translated>
2737: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2738: # Red green color blindness is quite common affecting about 7.8% of
2739: # the male population, but onloy about .65% of the female population.
2740: # </lang>
2741: # Red green colour blindness is quite common affecting about 7.8% of
2742: # the male population, but onloy about .65% of the female population.
2743: # <lang which='seniso', other='senisoCA,senisoAU'>
2744: # </translated>
2745: #
2746: # renders the correct spelling of color (colour) for people who have specified
2747: # a preferred language that is one of the British Commonwealth languages
2748: # even though those are also listed as valid selections for the US english
2749: # <lang> block.
2750: #
1.397 albertel 2751: sub start_lang {
2752: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2753: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2754: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2755: &Apache::lonxml::startredirection();
2756: }
2757: return '';
2758: }
2759:
2760: sub end_lang {
2761: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2762: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2763: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2764: my $result = &Apache::lonxml::endredirection();
2765: my $which = &Apache::lonxml::get_param('which',$parstack,
2766: $safeeval);
1.431 raeburn 2767: if ($which=~/\w/) {
2768: $available_texts{$which} = $result;
2769: }
2770: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2771: $safeeval);
2772: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2773: if ($language=~/\w/) {
2774: $available_texts{$language} = $result;
2775: }
1.427 bisitz 2776: }
2777:
1.397 albertel 2778: }
2779: return '';
2780: }
1.500 foxr 2781: } # end langauge block specific tags.
2782:
1.397 albertel 2783:
1.170 www 2784: sub start_instructorcomment {
1.201 albertel 2785: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2786:
2787: my $result;
2788:
1.339 albertel 2789: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2790: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2791: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2792: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2793: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2794: $parser,$style);
1.170 www 2795: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2796: }
2797: $result='';
2798: } elsif ($target eq 'edit') {
2799: $result .=&Apache::edit::tag_start($target,$token);
2800: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2801: }
2802: return $result;
2803: }
2804:
2805: sub end_instructorcomment {
1.159 albertel 2806: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2807: my $result;
2808: if ($target eq "edit") {
2809: $result.= &Apache::edit::tag_end($target,$token,'');
2810: }
2811: return $result;
1.4 tsai 2812: }
2813:
2814: sub start_while {
1.326 albertel 2815: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2816:
1.160 albertel 2817: my $result;
1.339 albertel 2818: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2819: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2820: my $code = $token->[2]->{'condition'};
1.4 tsai 2821:
1.160 albertel 2822: push( @Apache::structuretags::whileconds, $code);
2823: if (!$Apache::lonxml::default_homework_loaded) {
2824: &Apache::lonxml::default_homework_load($safeeval);
2825: }
2826: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2827: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2828: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2829: push( @Apache::structuretags::whileline, $token->[5]);
2830: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2831: if ( $result ) {
2832: &Apache::lonxml::newparser($parser,\$bodytext);
2833: }
2834: } elsif ($target eq 'edit') {
2835: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2836: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2837: $token,40);
2838: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2839: } elsif ($target eq 'modified') {
2840: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2841: $safeeval,'condition');
2842: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2843: }
1.160 albertel 2844: return $result;
1.4 tsai 2845: }
2846:
2847: sub end_while {
1.159 albertel 2848: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2849: my $result;
2850:
1.339 albertel 2851: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2852: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2853: my $code = pop(@Apache::structuretags::whileconds);
2854: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2855: my $line = pop(@Apache::structuretags::whileline);
2856: my $return = &Apache::run::run($code,$safeeval);
2857: my $starttime=time;
2858: my $error=0;
2859: while ($return) {
2860: if (time-$starttime >
2861: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2862: $return = 0; $error=1; next;
1.161 albertel 2863: }
2864: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2865: if ($target eq 'grade' || $target eq 'answer' ||
2866: $target eq 'analyze') {
2867: # grade/answer/analyze should produce no output but if we
2868: # are redirecting, the redirecter should know what to do
2869: # with the output
2870: if (!$Apache::lonxml::redirection) { undef($result); }
2871: }
1.161 albertel 2872: $return = &Apache::run::run($code,$safeeval);
2873: }
1.516 bisitz 2874: if ($error) {
2875: &Apache::lonxml::error(
2876: '<pre>'
2877: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2878: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2879: .&mt('This occurred while running <while> on line [_1].',
2880: $line)
2881: .'</pre>');
2882: }
1.160 albertel 2883: } elsif ($target eq "edit") {
2884: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2885: }
1.160 albertel 2886: return $result;
1.1 albertel 2887: }
1.6 tsai 2888:
1.160 albertel 2889: # <randomlist show="1">
1.6 tsai 2890: # <tag1>..</tag1>
2891: # <tag2>..</tag2>
2892: # <tag3>..</tag3>
1.160 albertel 2893: # ...
1.6 tsai 2894: # </randomlist>
2895: sub start_randomlist {
1.326 albertel 2896: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2897: my $result;
1.339 albertel 2898: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2899: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2900: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2901: my $b_parser= HTML::LCParser->new(\$body);
2902: $b_parser->xml_mode(1);
2903: $b_parser->marked_sections(1);
1.159 albertel 2904: my $b_tok;
2905: my @randomlist;
2906: my $list_item;
2907: while($b_tok = $b_parser->get_token() ) {
2908: if($b_tok->[0] eq 'S') { # start tag
2909: # get content of the tag until matching end tag
2910: # get all text upto the matching tag
2911: # and push the content into @randomlist
2912: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2913: $b_parser);
2914: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2915: push(@randomlist,$list_item);
2916: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2917: # $list_item</b>";
2918: }
2919: if($b_tok->[0] eq 'T') { # text
2920: # what to do with text in between tags?
2921: # print "<b>TEXT $b_tok->[1]</b><br />";
2922: }
2923: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2924: # print "<b>END-TAG $b_tok->[1]</b><br />";
2925: # }
2926: }
1.303 albertel 2927: if (@randomlist) {
2928: my @idx_arr = (0 .. $#randomlist);
1.555 raeburn 2929: if ($env{'form.code_for_randomlist'}) {
2930: &Apache::structuretags::shuffle(\@idx_arr,$target);
2931: undef($env{'form.code_for_randomlist'});
2932: } else {
2933: &Apache::structuretags::shuffle(\@idx_arr);
2934: }
1.303 albertel 2935: my $bodytext = '';
2936: my $show=$#randomlist;
2937: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2938: $showarg--;
2939: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2940: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2941: my @currlist;
2942: my $part = $Apache::inputtags::part;
2943: if ($part ne '') {
2944: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2945: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2946: if (!(grep(/^\Q$part\E$/,@currlist))) {
2947: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2948: }
2949: } else {
2950: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2951: }
2952: }
2953: }
1.526 raeburn 2954: for my $i (0 .. $show) {
2955: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2956: }
2957: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2958: }
2959: } elsif ($target eq 'edit' ) {
2960: $result .=&Apache::edit::tag_start($target,$token);
2961: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2962: $token,5);
2963: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2964: } elsif ($target eq 'modified' ) {
2965: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2966: $safeeval,'show');
2967: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2968: }
2969: return $result;
1.7 tsai 2970: }
2971:
2972: sub shuffle {
1.555 raeburn 2973: my ($a,$target) = @_;
1.7 tsai 2974: my $i;
1.303 albertel 2975: if (ref($a) eq 'ARRAY' && @$a) {
1.555 raeburn 2976: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2977: for($i=@$a;--$i;) {
2978: my $j=int(&Math::Random::random_uniform() * ($i+1));
2979: next if $i == $j;
2980: @$a[$i,$j] = @$a[$j,$i];
2981: }
1.251 albertel 2982: &Apache::response::poprandomnumber();
1.7 tsai 2983: }
1.6 tsai 2984: }
2985:
2986: sub end_randomlist {
1.159 albertel 2987: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2988: my $result;
2989: if ($target eq 'edit' ) {
2990: $result=&Apache::edit::tag_end($target,$token,
2991: 'End Randomly Parsed Block');
2992: }
2993: return $result;
1.6 tsai 2994: }
2995:
1.283 albertel 2996: sub ordered_show_check {
2997: my $last_part=$Apache::inputtags::partlist[-2];
2998: my $in_order=
2999: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
3000: my $in_order_show=1;
3001: if ($last_part ne '0' && lc($in_order) eq 'yes') {
3002: $in_order_show=&Apache::response::check_status($last_part);
3003: }
3004: return $in_order_show;
3005: }
3006:
1.469 www 3007:
3008: sub start_startpartmarker {
3009: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3010: my $result='';
3011: if ($target eq 'edit') {
3012: $result=&Apache::edit::tag_start($target,$token);
3013: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
3014: $result.=&Apache::edit::end_table();
3015:
3016: }
3017: return $result;
3018: }
3019:
3020: sub end_startpartmarker {
3021: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3022: my @result;
3023: if ($target eq 'edit') { $result[1]='no'; }
3024: return @result;
3025: }
3026:
3027: sub start_endpartmarker {
3028: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3029: my $result='';
3030: if ($target eq 'edit') {
3031: $result=&Apache::edit::tag_start($target,$token);
3032: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
3033: $result.=&Apache::edit::end_table();
3034:
3035: }
3036: return $result;
3037: }
3038:
3039: sub end_endpartmarker {
3040: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3041: my @result;
3042: if ($target eq 'edit') { $result[1]='no'; }
3043: return @result;
3044: }
3045:
3046:
3047:
3048:
3049:
1.11 albertel 3050: sub start_part {
1.326 albertel 3051: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 3052: if (!$Apache::lonxml::metamode) {
3053: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
3054: # duedates.
3055: }
1.159 albertel 3056: my $result='';
1.386 albertel 3057: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 3058: $Apache::inputtags::part=$id;
1.177 albertel 3059: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 3060: $Apache::inputtags::leniency='';
1.177 albertel 3061: @Apache::inputtags::response=();
1.159 albertel 3062: @Apache::inputtags::previous=();
3063: @Apache::inputtags::previous_version=();
1.405 albertel 3064: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 3065: &Apache::response::reset_params();
3066:
1.159 albertel 3067: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 3068: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
3069: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 3070: if ($Apache::lonhomework::type eq 'randomizetry') {
3071: my $rndseed=&setup_rndseed($safeeval,$target);
3072: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 3073: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 3074: }
1.570 raeburn 3075: } elsif (@Apache::inputtags::partlist > 1) {
3076: my $prevparttype = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[-2].type");
3077: if ($prevparttype eq 'randomizetry') {
3078: my $rndseed=&setup_rndseed($safeeval,$target,'',$prevparttype);
3079: if (($target eq 'grade') && &Apache::response::submitted()) {
3080: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
3081: }
3082: }
1.528 raeburn 3083: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 3084: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 3085: }
1.283 albertel 3086: my $in_order_show=&ordered_show_check();
1.214 albertel 3087: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 3088: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 3089: &Apache::run::run($expression,$safeeval);
1.159 albertel 3090:
3091: if ($target eq 'meta') {
1.224 www 3092: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
3093: return &Apache::response::mandatory_part_meta.
3094: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 3095: } elsif ($target eq 'web' || $target eq 'grade' ||
3096: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 3097: if ($hidden || !$in_order_show) {
1.326 albertel 3098: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 3099: } else {
3100: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
3101: push (@Apache::inputtags::status,$status);
3102: my $expression='$external::datestatus="'.$status.'";';
3103: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
3104: &Apache::run::run($expression,$safeeval);
1.284 albertel 3105: if ($env{'request.state'} eq 'construct') {
1.241 albertel 3106: &set_problem_state($Apache::inputtags::part);
1.240 albertel 3107: }
1.216 albertel 3108: if (( $status eq 'CLOSED' ) ||
3109: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 3110: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 3111: ( $status eq 'BANNED') ||
3112: ( $status eq 'UNAVAILABLE') ||
3113: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 3114: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
3115: $style);
1.159 albertel 3116: if ( $target eq "web" ) {
1.211 albertel 3117: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 3118: } elsif ( $target eq 'tex' ) {
1.284 albertel 3119: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 3120: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 3121: } else {
1.211 albertel 3122: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 3123: }
1.159 albertel 3124: }
3125: } else {
3126: if ($target eq 'tex') {
1.284 albertel 3127: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 3128: if ($$tagstack[-2] eq 'td') {
1.388 foxr 3129: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 3130: } else {
3131: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
3132: }
1.195 sakharuk 3133: }
1.159 albertel 3134: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 3135: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 3136: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 3137: my $allow_print_points = 0;
3138: foreach my $partial_key (@allkeys) {
1.230 albertel 3139: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 3140: if ($1 ne '0') {$allow_print_points=1;}
3141: }
3142: }
1.275 albertel 3143: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
3144: if (defined($maxtries) && $maxtries < 0) {
3145: $allow_print_points=0;
3146: }
1.302 albertel 3147: if (lc($env{'course.'.$env{'request.course.id'}.
3148: '.disableexampointprint'}) eq 'yes') {
3149: $allow_print_points=0;
3150: }
1.463 foxr 3151: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 3152: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 3153:
3154: }
1.233 www 3155: } elsif ($target eq 'web') {
1.479 raeburn 3156: if ($status eq 'CAN_ANSWER') {
3157: my $problemstatus = &get_problem_status($Apache::inputtags::part);
3158: my $num = scalar(@Apache::inputtags::partlist)-1;
1.567 raeburn 3159: if ((($Apache::lonhomework::default_type eq 'randomizetry') ||
3160: ($Apache::lonhomework::randomizetrypart)) &&
1.566 raeburn 3161: ($Apache::lonhomework::type ne 'randomizetry')) {
3162: $result .= &randomizetry_part_header($problemstatus,'none',$num);
3163: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
3164: $Apache::lonhomework::randomizetrypart = 1;
3165: my $reqtries = &Apache::lonnet::EXT("resource.$id.randomizeontries");
1.479 raeburn 3166: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
3167: }
3168: }
1.475 raeburn 3169: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 3170: }
3171: }
3172: }
3173: } elsif ($target eq 'edit') {
3174: $result.=&Apache::edit::tag_start($target,$token);
3175: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
3176: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 3177: ' '.
3178: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 3179: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
3180: } elsif ($target eq 'modified') {
3181: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 3182: $safeeval,'id','display');
1.159 albertel 3183: if ($constructtag) {
1.225 albertel 3184: #limiting ids to only letters numbers, and space
1.224 www 3185: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 3186: $result = &Apache::edit::rebuild_tag($token);
3187: }
3188: }
3189: return $result;
1.11 albertel 3190: }
3191:
3192: sub end_part {
1.159 albertel 3193: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3194: &Apache::lonxml::debug("in end_part $target ");
3195: my $status=$Apache::inputtags::status['-1'];
3196: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 3197: my $in_order_show=&ordered_show_check();
1.321 albertel 3198: my $result;
3199: if (!$Apache::lonxml::metamode) {
3200: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 3201: $Apache::lonxml::post_evaluate=0;
1.321 albertel 3202: }
1.312 albertel 3203: if ($target eq 'grade') {
1.249 albertel 3204: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 3205: !$hidden && $in_order_show) {
1.311 foxr 3206: $result.=&Apache::inputtags::grade;
1.249 albertel 3207: } else {
3208: # move any submission data to .hidden
3209: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3210: }
1.283 albertel 3211: } elsif (($target eq 'web' || $target eq 'tex') &&
3212: !$hidden && $in_order_show) {
1.159 albertel 3213: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3214: $target);
1.490 raeburn 3215: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3216: ($env{'form.grade_imsexport'})) {
1.212 albertel 3217: $gradestatus='';
3218: }
1.311 foxr 3219: $result.=$gradestatus;
1.572 raeburn 3220: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {
3221: if (not $env{'form.problem_split'}=~/yes/) {
3222: $result.='\end{minipage}';
3223: }
1.573 raeburn 3224: }
1.181 albertel 3225: } elsif ($target eq 'edit') {
1.311 foxr 3226: $result.=&Apache::edit::end_table();
1.322 albertel 3227: } elsif ($target eq 'modified') {
3228: $result .= $token->[2];
1.159 albertel 3229: }
3230: pop @Apache::inputtags::status;
3231: $Apache::inputtags::part='';
1.536 raeburn 3232: $Apache::inputtags::leniency='';
1.295 albertel 3233: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3234: return $result;
1.11 albertel 3235: }
1.1 albertel 3236:
1.25 albertel 3237: sub start_preduedate {
1.326 albertel 3238: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3239: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3240: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3241: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3242: if (!$Apache::lonhomework::scantronmode &&
3243: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3244: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3245: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3246: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3247: }
1.24 albertel 3248: }
1.159 albertel 3249: return '';
1.24 albertel 3250: }
3251:
1.25 albertel 3252: sub end_preduedate {
1.159 albertel 3253: return '';
1.24 albertel 3254: }
3255:
1.369 foxr 3256: # In all the modes where <postanswerdate> text is
3257: # displayable, all we do is eat up the text between the start/stop
3258: # tags if the conditions are not right to display it.
1.25 albertel 3259: sub start_postanswerdate {
1.326 albertel 3260: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3261: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3262: &Apache::lonnet::allowed('pav',
3263: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3264: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3265: $target eq 'tex' ) {
1.300 albertel 3266: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3267: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3268: (($target eq 'tex') && !$pav)) {
1.326 albertel 3269: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3270: }
3271: }
3272: return '';
1.24 albertel 3273: }
3274:
1.25 albertel 3275: sub end_postanswerdate {
1.159 albertel 3276: return '';
1.24 albertel 3277: }
3278:
1.25 albertel 3279: sub start_notsolved {
1.326 albertel 3280: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3281: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3282: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3283: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3284: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3285: if ($gradestatus =~ /^correct/ &&
3286: &Apache::response::show_answer()) {
1.159 albertel 3287: &Apache::lonxml::debug("skipping");
1.326 albertel 3288: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3289: }
1.24 albertel 3290: }
1.159 albertel 3291: return '';
1.24 albertel 3292: }
3293:
1.25 albertel 3294: sub end_notsolved {
1.159 albertel 3295: return '';
1.24 albertel 3296: }
3297:
3298: sub start_solved {
1.326 albertel 3299: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3300: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3301: $target eq 'tex') {
3302: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3303: if ($gradestatus !~ /^correct/ ||
3304: !&Apache::response::show_answer()) {
1.326 albertel 3305: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3306: }
1.24 albertel 3307: }
1.159 albertel 3308: return '';
1.24 albertel 3309: }
3310:
3311: sub end_solved {
1.248 albertel 3312: return '';
3313: }
3314:
3315: sub start_problemtype {
1.326 albertel 3316: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3317: my $result;
1.339 albertel 3318: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3319: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3320: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3321: if (!defined($mode)) { $mode='show'; }
3322: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3323: my $found=0;
3324: foreach my $type (split(',',$for)) {
3325: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3326: }
3327: if ($mode eq 'show' && !$found) {
1.326 albertel 3328: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3329: }
3330: if ($mode eq 'hide' && $found) {
1.326 albertel 3331: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3332: }
3333: } elsif ($target eq 'edit') {
3334: $result .=&Apache::edit::tag_start($target,$token);
3335: $result.=&Apache::edit::select_arg('Mode:','mode',
3336: [['show','Show'],
3337: ['hide','Hide']]
3338: ,$token);
3339: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 3340: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 3341: ['survey','Survey'],
1.465 raeburn 3342: ['surveycred','Survey (with credit)'],
3343: ['anonsurvey','Anonymous Survey'],
3344: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3345: ['problem','Homework Problem'],
1.479 raeburn 3346: ['practice','Practice Problem'],
3347: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3348: ,$token);
3349: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3350: } elsif ($target eq 'modified') {
3351: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3352: $safeeval,'mode','for');
3353: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3354: }
3355: return $result;
3356: }
3357:
3358: sub end_problemtype {
1.159 albertel 3359: return '';
1.24 albertel 3360: }
1.34 albertel 3361:
3362: sub start_startouttext {
1.159 albertel 3363: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3364: my @result=(''.'');
3365: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3366:
3367: my $nesting =
3368: &Apache::lonxml::set_state('outtext',
3369: &Apache::lonxml::get_state('outtext')+1);
3370: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3371: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3372: }
1.159 albertel 3373: return (@result);
1.34 albertel 3374: }
1.159 albertel 3375:
1.34 albertel 3376: sub end_startouttext {
1.326 albertel 3377: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3378: my $result='';
3379: my $text='';
3380: if ($target eq 'edit') {
1.424 foxr 3381: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3382: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3383: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3384: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3385: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3386: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3387: .'</span></td>'
1.550 raeburn 3388: .'<td><span id="math_'.$areaid.'">';
1.579 raeburn 3389: if (&Apache::loncommon::nocodemirror()) {
1.550 raeburn 3390: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3391: } else {
3392: $result.=' ';
3393: }
3394: $result.='</span></td>'
1.474 raeburn 3395: .'<td>'
3396: .&Apache::edit::insertlist($target,$token)
3397: .'</td>'
1.515 golterma 3398: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3399: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3400: &Apache::edit::end_row().
1.362 albertel 3401: &Apache::edit::start_spanning_row()."\n".
1.255 www 3402: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3403: }
3404: if ($target eq 'modified') {
1.219 albertel 3405: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3406: }
3407: if ($target eq 'tex') {
3408: $result .= '\noindent ';
3409: }
3410: return $result;
1.34 albertel 3411: }
1.159 albertel 3412:
1.34 albertel 3413: sub start_endouttext {
1.159 albertel 3414: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3415: my $result='';
3416: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3417: if ($target eq "modified") {
3418: $result='<endouttext />'.
1.377 albertel 3419: &Apache::edit::handle_insertafter('startouttext');
3420: }
1.404 albertel 3421:
3422: my $nesting =
3423: &Apache::lonxml::set_state('outtext',
3424: &Apache::lonxml::get_state('outtext')-1);
3425: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3426: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3427: &Apache::lonxml::set_state('outtext', 0);
3428: }
1.159 albertel 3429: return $result;
1.34 albertel 3430: }
1.159 albertel 3431:
1.34 albertel 3432: sub end_endouttext {
1.159 albertel 3433: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3434: my @result=('','');
3435: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3436: return (@result);
1.34 albertel 3437: }
1.159 albertel 3438:
1.45 albertel 3439: sub delete_startouttext {
1.326 albertel 3440: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3441: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3442: my $text=$$parser['-1']->get_text("/endouttext");
3443: my $ntoken=$$parser['-1']->get_token();
3444: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3445: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3446: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3447: # they did the last time round
3448: &Apache::lonxml::increasedepth($ntoken);
3449: &Apache::lonxml::decreasedepth($ntoken);
3450: return 1;
1.193 www 3451: }
3452:
3453: sub start_simpleeditbutton {
3454: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3455: my $result='';
1.284 albertel 3456: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3457: ($target eq 'web') &&
1.330 albertel 3458: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3459: my $url=$env{'request.noversionuri'};
1.193 www 3460: $url=~s/\?.*$//;
1.367 albertel 3461: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3462: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3463: # $result='<p class="LC_warning">'
3464: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3465: # .&Apache::loncommon::help_open_topic('Caching')
3466: # .'</p>';
1.486 www 3467: $result.=&Apache::loncommon::head_subbox(
3468: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3469: .&Apache::lonhtmlcommon::add_item_funclist(
3470: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3471: .&mt('Edit').'</a>')
1.486 www 3472: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3473:
1.193 www 3474: }
3475: return $result;
3476: }
3477:
3478: sub end_simpleeditbutton {
3479: return '';
1.45 albertel 3480: }
1.34 albertel 3481:
1.428 raeburn 3482: sub practice_problem_header {
1.556 raeburn 3483: return '<h3 class="LC_info">'.&mt('Practice Problem').'</h3>'.
1.428 raeburn 3484: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3485: '</span>';
3486: }
3487:
1.479 raeburn 3488: sub randomizetry_problem_header {
1.566 raeburn 3489: my ($problemstatus,$reqtries,$symb) = @_;
1.479 raeburn 3490: my ($header,$text);
3491: if ($reqtries > 1) {
3492: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3493: if (($problemstatus eq 'no') ||
3494: ($problemstatus eq 'no_feedback_ever')) {
3495: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3496: } else {
3497: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3498: }
3499: } else {
3500: $header = &mt('New Problem Variation Each Try');
3501: if (($problemstatus eq 'no') ||
3502: ($problemstatus eq 'no_feedback_ever')) {
3503: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3504:
3505: } else {
3506: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3507: }
3508: }
1.566 raeburn 3509: if (($env{'request.state'} eq "construct") || ($symb eq '')) {
3510: return '<div class="LC_info" id="LC_randomizetry_header" style="display:none">'.
3511: '<h3>'.$header.'</h3><span class="LC_info">'.$text.'</span><hr /></div>';
3512: } else {
3513: return '<h3 class="LC_info">'.$header.'</h3>'.
3514: '<span class="LC_info">'.$text.'</span><hr />';
3515: }
1.479 raeburn 3516: }
3517:
3518: sub randomizetry_part_header {
3519: my ($problemstatus,$reqtries,$num) = @_;
3520: my ($header,$text);
3521: if ($reqtries eq 'none') {
3522: $header = &mt('No Question Variation');
1.570 raeburn 3523: $text = &mt('For this question there will be no new variation after a try.');
1.479 raeburn 3524: } elsif ($reqtries > 1) {
3525: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3526: if (($problemstatus eq 'no') ||
3527: ($problemstatus eq 'no_feedback_ever')) {
3528: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3529: } else {
3530: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3531: }
3532: } else {
3533: $header = &mt('New Question Variation For Each Try');
3534: if (($problemstatus eq 'no') ||
3535: ($problemstatus eq 'no_feedback_ever')) {
3536: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3537: } else {
3538: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3539: }
3540: }
3541: my $output;
3542: if ($num > 1) {
3543: $output .= '<hr />';
3544: }
1.556 raeburn 3545: $output .= '<h4 class="LC_info">'.$header.'</h4>'.
1.479 raeburn 3546: '<span class="LC_info">'.$text.'</span><br /><br />';
3547: return $output;
3548: }
3549:
1.1 albertel 3550: 1;
3551: __END__
1.435 jms 3552:
3553: =pod
3554:
3555: =back
3556:
3557: =cut
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