Annotation of loncom/homework/structuretags.pm, revision 1.581
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.581 ! raeburn 4: # $Id: structuretags.pm,v 1.580 2023/11/17 17:02:21 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: }
1.487 www 845: $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
1.579 raeburn 846: if (&Apache::loncommon::nocodemirror()) {
1.550 raeburn 847: $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
848: }
1.487 www 849: } else {
1.580 raeburn 850: if ($editors{'xml'}) {
851: $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
852: }
1.487 www 853: $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
854: }
855: $result.="\n</div>";
856: return $result;
1.423 www 857: }
858:
859: sub problem_edit_header {
1.527 golterma 860: my ($mode)=@_;
861: my $return = '<input type="hidden" name="submitted" value="edit" />'.
1.487 www 862: &remember_problem_state('edit').'
1.527 golterma 863: <div class="LC_edit_problem_header">
864: <div class="LC_edit_problem_header_title">
865: '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
866: </div><div class="LC_edit_actionbar" id="actionbar">'.
867: '<input type="hidden" name="problemmode" value="saveedit" />'.
868: &problem_edit_buttons();
869:
1.535 droeschl 870: $return .= '</div></div>' . &Apache::lonxml::message_location();
1.527 golterma 871: $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />
872: <script type="text/javascript" src="/adm/codemirror/codemirror-compressed-colorful.js"></script>';
873:
874: $return .= '<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
875: <script type="text/javascript">
876: // unless internet explorer
877: if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode || document.compatMode))){
878: $(document).ready(
879: function() {
880: $(\'.LC_edit_actionbar\').scrollToFixed(
881: {
882: fixed: function(){
1.535 droeschl 883: //$(this).find(\'.LC_edit_actionbar\').css(\'height\', \'31px\');
884: $(this).find(\'.LC_edit_actionbar\');
1.527 golterma 885: }
886: }
887: );
888: }
889: );
890: }
891: </script>
892: <table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
893: return $return;
1.105 albertel 894: }
895:
896: sub problem_edit_footer {
1.527 golterma 897: my $resource = $env{'request.ambiguous'};
1.412 albertel 898: return '</td></tr></table><br />
899: <div class="LC_edit_problem_footer">
1.453 bisitz 900: <hr />'.
1.423 www 901: &problem_edit_buttons().'
1.459 bisitz 902: <hr style="clear:both;" />
1.527 golterma 903: <script type="text/javascript">
904: restoreState("'.$resource.'");
905: restoreScrollPosition("'.$resource.'");
906: </script>
1.412 albertel 907: </div>
908: '.
1.342 albertel 909: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 910: }
911:
1.235 albertel 912: sub option {
913: my ($value,$name) = @_;
914: my $result ="<option value='".$value."' ";
1.284 albertel 915: if ($env{'form.'.$name} eq $value) {
1.235 albertel 916: $result.=" selected='on' ";
917: }
918: $result.='>';
919: return $result;
920: }
921:
1.105 albertel 922: sub problem_web_to_edit_header {
1.159 albertel 923: my ($rndseed)=@_;
1.580 raeburn 924: my %editors = &Apache::loncommon::permitted_editors();
1.406 albertel 925: my $result .= '<div class="LC_edit_problem_header">';
926:
927: if (!$Apache::lonhomework::parsing_a_task) {
928: $result .=
929: '<div class="LC_edit_problem_header_title">'.
930: &mt('Problem Testing').
931: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
932: '</div>';
933: } else {
934: $result .=
935: '<div class="LC_edit_problem_header_title">'.
936: &mt('Task Testing').
937: '</div>';
938: }
939:
1.315 albertel 940: my $show_all_foils_text =
941: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 942: &mt('Show All Instances')
943: : &mt('Show All Foils');
1.315 albertel 944:
1.452 bisitz 945: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
946: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 947: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 948: $show_all.= ' /> '.$show_all_foils_text
949: .'</label></span>';
1.406 albertel 950:
951:
1.384 albertel 952:
1.406 albertel 953: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 954: if (!$Apache::lonhomework::parsing_a_task) {
955: $result.="
1.406 albertel 956: <div class='LC_edit_problem_header_row1'>
957: <span class=\"LC_nobreak\">
1.405 albertel 958: ".&mt("Problem Status:")."
1.235 albertel 959: <select name='problemstate'>
1.270 albertel 960: <option value=''></option>
1.235 albertel 961: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
962: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
963: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
964: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
965: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
966: </select>
1.406 albertel 967: </span>
968: <span class=\"LC_nobreak\">
1.405 albertel 969: ".&mt("Problem Type:")."
1.235 albertel 970: <select name='problemtype'>
1.270 albertel 971: <option value=''></option>
1.509 bisitz 972: ".&option('exam' ,'problemtype').&mt("Bubblesheet Exam Problem")."</option>
1.428 raeburn 973: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 974: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 975: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
976: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
977: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 978: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.479 raeburn 979: ".&option('randomizetry' ,'problemtype').&mt("New Randomization Each Try")."</option>
1.235 albertel 980: </select>
1.406 albertel 981: </span>
982: $show_all
983: </div>
984: <div class='LC_edit_problem_header_row2'>
985: <span class=\"LC_nobreak\">
1.405 albertel 986: ".&mt("Feedback Mode:")."
1.235 albertel 987: <select name='problemstatus'>
988: <option value=''></option>
1.242 albertel 989: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.517 bisitz 990: ".&option('no', 'problemstatus').&mt("Don't Show Incorrect/Correct Feedback")."</option>
1.405 albertel 991: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 992: </select>
1.406 albertel 993: </span>
994: ";
995:
1.376 albertel 996: } elsif ($Apache::lonhomework::parsing_a_task) {
997: $result.="
1.406 albertel 998: <div class='LC_edit_problem_header_row1'>
999: <span class=\"LC_nobreak\">
1.405 albertel 1000: ".&mt("Problem Status:")."
1.376 albertel 1001: <select name='problemstate'>
1002: <option value=''></option>
1003: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
1004: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
1005: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
1006: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
1007: </select>
1.406 albertel 1008: </span>
1009: $show_all
1010: ";
1011: }
1012: $result.='
1013: <span class="LC_nobreak">
1014: '.&mt('Apply style file: ').'
1015: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
1016: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
1017: </span>
1.422 www 1018: </div>
1019: <div class="LC_edit_problem_header_row1">'.
1020: &Apache::lonxml::renderingoptions().'
1.406 albertel 1021: </div>
1022: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
1023: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
1.551 damieng 1024: <button type="submit" name="resetdata" accesskey="r" value="reset_submissions">
1025: '.&mt('Reset Submissions').'</button>
1.406 albertel 1026: </div>
1.453 bisitz 1027: <hr />
1.406 albertel 1028: <div class="LC_edit_problem_header_randomize_row">
1029: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
1030: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 1031: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 1032: $rndseed.'"
1033: onchange="javascript:document.lonhomework.changerandseed.click()" />';
1034:
1035: if (!$Apache::lonhomework::parsing_a_task) {
1036: my $numtoanalyze=$env{'form.numtoanalyze'};
1037: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 1038: $result .= '<span class="LC_nobreak">'.
1039: &mt('[_1] for [_2] versions.',
1.416 raeburn 1040: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 1041: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
1042: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 1043: $numtoanalyze.'" size="5" />').
1044: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
1045: '</span>';
1046:
1.313 albertel 1047: }
1.406 albertel 1048:
1049: $result.='
1050: </div>
1.453 bisitz 1051: <hr />
1.447 bisitz 1052: <div>';
1.416 raeburn 1053: $result.='<input type="hidden" name="problemmode" value="view" />';
1.580 raeburn 1054: if ($editors{'edit'}) {
1055: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
1056: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
1057: }
1058: if ($editors{'xml'}) {
1059: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
1060: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1061: }
1062: if (($editors{'daxe'}) &&
1063: ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9)) {
1.541 damieng 1064: my $uri = $env{'request.uri'};
1.543 damieng 1065: my $daxeurl = '/daxepage'.$uri;
1.541 damieng 1066: $result .= '<input type="button" value="'.&mt('Edit with Daxe').'" '.
1067: 'onclick="window.open(\''.$daxeurl.'\',\'_blank\');" />';
1068: }
1.408 albertel 1069: $result.='
1070: </div>
1.453 bisitz 1071: <hr />
1.409 albertel 1072: '.&Apache::lonxml::message_location().'
1.406 albertel 1073: </div>';
1.159 albertel 1074: return $result;
1.48 albertel 1075: }
1076:
1.65 albertel 1077: sub initialize_storage {
1.357 albertel 1078: my ($given_symb) = @_;
1.353 albertel 1079: undef(%Apache::lonhomework::results);
1080: undef(%Apache::lonhomework::history);
1.357 albertel 1081: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1082: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 1083:
1084: # anonymous users (CODEd exams) have no data
1085: if ($name eq 'anonymous'
1086: && !defined($domain)) {
1087: return;
1088: }
1089:
1.333 albertel 1090: if ($env{'request.state'} eq 'construct'
1091: || $symb eq ''
1092: || $Apache::lonhomework::type eq 'practice') {
1093:
1094: my $namespace = $symb || $env{'request.uri'};
1.551 damieng 1095: if ($env{'form.resetdata'} eq 'reset_submissions' ||
1096: ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 1097: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 1098: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1099: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
1100: &Apache::lonxml::debug("Attempt reset");
1101: }
1.159 albertel 1102: %Apache::lonhomework::history=
1.333 albertel 1103: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.576 raeburn 1104: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1105: &Apache::lonxml::debug("Return message of $temp");
1106: } else {
1107: %Apache::lonhomework::history=
1108: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1109: }
1.353 albertel 1110:
1.159 albertel 1111: #ignore error conditions
1.526 raeburn 1112: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1113: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 1114: }
1115:
1.435 jms 1116: =pod
1117:
1118: =item finalize_storage()
1119:
1.524 raeburn 1120: Stores away the result hash to a student's environment;
1.523 raeburn 1121: checks form.grade_ for specific values, otherwise stores
1122: to the running user's environment.
1.524 raeburn 1123:
1124: &check_correctness_changes() is called in two circumstances
1125: in which the results hash is to be stored permanently, for
1126: grading triggered by a student's submission, where feedback on
1.576 raeburn 1127: correctness is to be provided to the student.
1.524 raeburn 1128:
1129: 1. Immediately prior to storing the results hash
1130:
1.576 raeburn 1131: To handle the case where a student's submission (and award) were
1.524 raeburn 1132: stored after history was retrieved in &initialize_storage(), e.g.,
1.576 raeburn 1133: if a student submitted answers in quick succession (e.g., from
1.524 raeburn 1134: multiple tabs). &Apache::inputtags::hidealldata() is called for
1135: any parts with out-of-order storage (i.e., correct then incorrect,
1136: where awarded >= 1 when correct).
1137:
1138: 2. Immediately after storing the results hash
1139:
1140: To handle the case where lond on the student's homeserver returns
1141: delay:N -- where N is the number of transactions between the last
1142: retrieved in &initialize_storage() and the last stored immediately
1.576 raeburn 1143: before permanent storage of the current transaction via
1144: lond::store_handler(). &Apache::grades::makehidden() is called
1.524 raeburn 1145: for any parts with out-of-order storage (i.e., correct then incorrect,
1146: where awarded >= 1 when correct).
1147:
1.576 raeburn 1148: Will call &store_aggregates() to increment totals for attempts,
1.524 raeburn 1149: students, and corrects, if running user has student role.
1150:
1.435 jms 1151: =cut
1152:
1153:
1.65 albertel 1154: sub finalize_storage {
1.357 albertel 1155: my ($given_symb) = @_;
1.159 albertel 1156: my $result;
1.289 albertel 1157: if (%Apache::lonhomework::results) {
1.323 albertel 1158: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
1159: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 1160: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1161: &Apache::lonnet::whichuser($given_symb);
1.575 raeburn 1162: my ($passback,$pbscope,$pbmap,$pbsymb,$pbtype,$crsdef,$ltinum,
1163: $ltiref,$total,$possible,$dopassback);
1.333 albertel 1164: if ($env{'request.state'} eq 'construct'
1165: || $symb eq ''
1166: || $Apache::lonhomework::type eq 'practice') {
1167: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 1168: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 1169: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 1170: $namespace,'',$domain,$name);
1.159 albertel 1171: &Apache::lonxml::debug('Construct Store return message:'.$result);
1172: } else {
1.560 raeburn 1173: my ($laststore,$checkedparts,@parts,%postcorrect,%record);
1.524 raeburn 1174: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1175: (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
1176: (!defined($env{'form.grade_courseid'}))) {
1.575 raeburn 1177: if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) {
1.560 raeburn 1178: my ($map)=&Apache::lonnet::decode_symb($symb);
1179: $map = &Apache::lonnet::clutter($map);
1.575 raeburn 1180: if ($env{'request.lti.login'}) {
1.576 raeburn 1181: ($passback,$pbscope,$pbmap,$pbsymb,$ltinum,$ltiref) =
1.575 raeburn 1182: &needs_lti_passback($courseid,$symb,$map);
1183: } elsif ($env{'request.deeplink.login'}) {
1184: ($passback,$pbscope,$pbmap,$pbsymb,$crsdef,$ltinum,$ltiref) =
1185: &needs_linkprot_passback($courseid,$symb,$map);
1186: }
1.560 raeburn 1187: }
1.524 raeburn 1188: if ($Apache::lonhomework::history{'version'}) {
1189: $laststore = $Apache::lonhomework::history{'version'}.'='.
1190: $Apache::lonhomework::history{'timestamp'};
1191: } else {
1192: $laststore = '0=0';
1193: }
1.560 raeburn 1194: %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1.524 raeburn 1195: if ($record{'version'}) {
1196: my ($newversion,$oldversion,$oldtimestamp);
1197: if ($Apache::lonhomework::history{'version'}) {
1198: $oldversion = $Apache::lonhomework::history{'version'};
1199: $oldtimestamp = $Apache::lonhomework::history{'timestamp'};
1200: } else {
1201: $oldversion = 0;
1202: $oldtimestamp = 0;
1203: }
1204: if ($record{'version'} > $oldversion) {
1205: if ($record{'timestamp'} >= $oldtimestamp) {
1206: $laststore = $record{'version'}.'='.$record{'timestamp'};
1207: $newversion = $record{'version'} + 1;
1208: $checkedparts = 1;
1209: foreach my $key (keys(%Apache::lonhomework::results)) {
1210: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1211: my $part = $1;
1212: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1213: push(@parts,$part);
1214: }
1215: }
1216: }
1217: if (@parts) {
1218: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1219: \%record,\@parts,$newversion,
1220: $oldversion);
1221: if (@parts_to_hide) {
1222: foreach my $part (@parts_to_hide) {
1223: $postcorrect{$part} = 1;
1224: &Apache::inputtags::hidealldata($part);
1225: }
1226: }
1227: }
1228: }
1229: }
1230: }
1231: }
1.159 albertel 1232: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
1.524 raeburn 1233: $symb,$courseid,$domain,$name,$laststore);
1234: if ($result =~ /^delay\:(\d+)$/) {
1235: my $numtrans = $1;
1236: my ($oldversion) = split(/=/,$laststore);
1237: if ($numtrans) {
1238: my $newversion = $oldversion + 1 + $numtrans;
1239: my @possparts;
1240: if ($checkedparts) {
1241: foreach my $part (@parts) {
1242: unless ($postcorrect{$part}) {
1243: push(@possparts,$part);
1244: }
1245: }
1246: } else {
1247: foreach my $key (keys(%Apache::lonhomework::results)) {
1248: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1249: my $part = $1;
1250: unless ($postcorrect{$part}) {
1251: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1252: push(@possparts,$part);
1253: }
1254: }
1255: }
1256: }
1257: }
1258: if (@possparts) {
1259: my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1260: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1261: \%newrecord,\@possparts,$newversion,
1262: $oldversion);
1263: if (@parts_to_hide) {
1264: my $partslist = join(',',@parts_to_hide);
1265: &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1);
1266: }
1267: }
1268: }
1269: }
1.562 raeburn 1270: if ($passback) {
1271: foreach my $key (keys(%Apache::lonhomework::results)) {
1272: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1273: my $part = $1;
1274: if ((($Apache::lonhomework::results{$key} =~ /^correct_/) ||
1275: ($Apache::lonhomework::results{$key} eq 'incorrect_attempted')) &&
1276: ($Apache::lonhomework::results{"resource.$part.tries"})) {
1277: $dopassback = 1;
1278: last;
1279: }
1280: }
1281: }
1282: }
1.575 raeburn 1283: if (($dopassback) && ($pbscope eq 'resource') && ($pbsymb eq $symb)) {
1.560 raeburn 1284: $total = 0;
1285: $possible = 0;
1286: my $navmap = Apache::lonnavmaps::navmap->new();
1287: if (ref($navmap)) {
1288: my $res = $navmap->getBySymb($symb);
1289: if (ref($res)) {
1290: my $partlist = $res->parts();
1291: if (ref($partlist) eq 'ARRAY') {
1292: foreach my $part (@{$partlist}) {
1293: unless (exists($Apache::lonhomework::results{"resource.$part.solved"})) {
1294: next if ($Apache::lonhomework::record{"resource.$part.solved"} =~/^excused/);
1295: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1296: $possible += $weight;
1297: if (($record{'version'}) && (exists($record{"resource.$part.awarded"}))) {
1298: my $awarded = $record{"resource.$part.awarded"};
1299: if ($awarded) {
1300: $total += $weight * $awarded;
1301: }
1302: }
1303: }
1304: }
1305: }
1306: }
1307: }
1308: foreach my $key (keys(%Apache::lonhomework::results)) {
1309: if ($key =~ /^resource\.([^\.]+)\.awarded$/) {
1310: my $part = $1;
1311: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1312: $possible += $weight;
1313: my $awarded = $Apache::lonhomework::results{$key};
1314: if ($awarded) {
1315: $total += $weight * $awarded;
1316: }
1317: }
1318: }
1319: }
1.159 albertel 1320: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1321: &store_aggregates($symb,$courseid);
1.562 raeburn 1322: if ($dopassback) {
1.560 raeburn 1323: my $scoreformat = 'decimal';
1.575 raeburn 1324: if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) {
1325: if (ref($ltiref) eq 'HASH') {
1326: if ($ltiref->{'scoreformat'} =~ /^(decimal|ratio|percentage)$/) {
1327: $scoreformat = $1;
1328: }
1.560 raeburn 1329: }
1330: }
1.575 raeburn 1331: my ($pbid,$pburl,$pbtype);
1332: if ($env{'request.lti.login'}) {
1333: $pbid = $env{'request.lti.passbackid'};
1334: $pburl = $env{'request.lti.passbackurl'};
1335: $pbtype = 'lti';
1336: } elsif ($env{'request.deeplink.login'}) {
1337: $pbid = $env{'request.linkprotpbid'};
1338: $pburl = $env{'request.linkprotpburl'};
1339: $pbtype = 'linkprot';
1340: }
1.560 raeburn 1341: my $ltigrade = {
1.575 raeburn 1342: 'ltinum' => $ltinum,
1.560 raeburn 1343: 'lti' => $ltiref,
1.575 raeburn 1344: 'crsdef' => $crsdef,
1.560 raeburn 1345: 'cid' => $courseid,
1346: 'uname' => $env{'user.name'},
1347: 'udom' => $env{'user.domain'},
1.575 raeburn 1348: 'pbid' => $pbid,
1349: 'pburl' => $pburl,
1350: 'pbtype' => $pbtype,
1351: 'scope' => $pbscope,
1352: 'pbmap' => $pbmap,
1353: 'pbsymb' => $pbsymb,
1.560 raeburn 1354: 'format' => $scoreformat,
1355: };
1.575 raeburn 1356: if ($pbscope eq 'resource') {
1.560 raeburn 1357: $ltigrade->{'total'} = $total;
1358: $ltigrade->{'possible'} = $possible;
1359: }
1360: push(@Apache::lonhomework::ltipassback,$ltigrade);
1361: }
1.159 albertel 1362: }
1.323 albertel 1363: } else {
1364: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1365: }
1.159 albertel 1366: return $result;
1.65 albertel 1367: }
1368:
1.560 raeburn 1369: sub needs_lti_passback {
1370: my ($courseid,$symb,$map) = @_;
1371: if (($env{'request.lti.passbackid'}) && ($env{'request.lti.passbackurl'})) {
1372: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1373: my ($cdom,$cnum) = ($1,$2);
1374: my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider');
1375: if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') {
1376: if ($lti{$env{'request.lti.login'}}{'passback'}) {
1.575 raeburn 1377: my $itemnum = $env{'request.lti.login'};
1.560 raeburn 1378: my ($ltiscope,$ltiuri,$ltisymb) =
1379: &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
1380: $cdom,$cnum,1);
1381: my ($passback,$ltimap);
1382: if ($ltiscope eq 'resource') {
1383: if ($ltisymb eq $symb) {
1384: $passback = 1;
1385: }
1386: } elsif ($ltiscope eq 'map') {
1387: if ($ltiuri eq $map) {
1388: $passback = 1;
1389: $ltimap = $map;
1390: }
1391: } elsif ($ltiscope eq 'course') {
1392: if (($env{'request.lti.uri'} eq "/$cdom/$cnum") || ($env{'request.lti.uri'} eq '')) {
1393: $passback = 1;
1394: }
1395: }
1.575 raeburn 1396: return ($passback,$ltiscope,$ltimap,$ltisymb,$itemnum,$lti{$itemnum});
1.560 raeburn 1397: }
1398: }
1399: }
1400: }
1401: return;
1402: }
1403:
1.575 raeburn 1404: sub needs_linkprot_passback {
1405: my ($courseid,$symb,$map) = @_;
1406: if (($env{'request.linkprotpbid'}) && ($env{'request.linkprotpburl'})) {
1407: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1408: my ($cdom,$cnum) = ($1,$2);
1409: my ($deeplink_symb,$deeplink_map,$deeplink,$passback);
1410: $deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom);
1411: if ($deeplink_symb) {
1412: if ($deeplink_symb =~ /\.(page|sequence)$/) {
1413: $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[2]);
1414: my $navmap = Apache::lonnavmaps::navmap->new();
1415: if (ref($navmap)) {
1416: $deeplink = $navmap->get_mapparam(undef,$deeplink_map,'0.deeplink');
1417: }
1418: } else {
1419: $deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$deeplink_symb);
1420: $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[0]);
1421: }
1422: if (($deeplink ne '') && ($env{'request.linkprot'} ne '')) {
1423: my ($itemid,$tinyurl) = split(/:/,$env{'request.linkprot'});
1424: if ($itemid =~ /^(\d+)(c|d)$/) {
1425: my ($itemnum,$itemtype) = ($1,$2);
1426: my ($crsdef,$lti_in_use);
1427: if ($itemtype eq 'c') {
1428: $crsdef = 1;
1429: my %crslti = &Apache::lonnet::get_course_lti($cnum,$cdom,'provider');
1430: $lti_in_use = $crslti{$itemnum};
1431: } else {
1432: my %domlti = &Apache::lonnet::get_domain_lti($cdom,'linkprot');
1433: $lti_in_use = $domlti{$itemnum};
1434: }
1435: my ($state,$others,$listed,$scope,$protect,$display,$target,$exit) = split(/,/,$deeplink);
1436: my $passback;
1437: if ($scope eq 'resource') {
1438: if ($deeplink_symb eq $symb) {
1439: $passback = 1;
1440: }
1441: } elsif ($scope eq 'map') {
1442: if (&Apache::lonnet::clutter($deeplink_map) eq $map) {
1443: $passback = 1;
1444: }
1445: } elsif ($scope eq 'recurse') {
1446: #FIXME check if $deeplink_map contains $map
1447: $passback = 1;
1448: }
1449: return ($passback,$scope,$deeplink_map,$deeplink_symb,$crsdef,$itemnum,$lti_in_use);
1450: }
1451: }
1452: }
1453: }
1454: }
1455: }
1456:
1.435 jms 1457: =pod
1458:
1.524 raeburn 1459: =item check_correctness_changes()
1460:
1461: For all parts for which current results contain a solved status
1.576 raeburn 1462: of "incorrect_attempted", check if there was a transaction in which
1463: solved was set to "correct_by_student" in the time since the last
1464: transaction (retrieved when &initialize_storage() was called i.e.,
1.524 raeburn 1465: when &start_problem() was called), unless:
1466: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1467: (b) problemstatus is set to no or no_feedback_ever
1.576 raeburn 1468: If such a transaction exists, and did not occur after "reset status"
1.524 raeburn 1469: by a user with grading privileges, then the current transaction is an
1470: example of an out-of-order transaction (i.e., incorrect occurring after
1471: correct). Accordingly, the current transaction should be hidden.
1472:
1473: =cut
1474:
1475:
1476: sub check_correctness_changes {
1477: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1478: my @parts_to_hide;
1479: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1480: return @parts_to_hide;
1481: }
1482: if (@{$parts}) {
1483: my $usec;
1484: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1485: ($env{'request.course.id'} eq $courseid)) {
1486: $usec = $env{'request.course.sec'};
1487: } else {
1488: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1489: }
1490: foreach my $id (@{$parts}) {
1491: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1492: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1493: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1494: my $reset;
1495: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1496: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1497: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1498: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1499: $reset = 1;
1500: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1501: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1502: unless ($reset) {
1503: push(@parts_to_hide,$id);
1504: last;
1505: }
1506: }
1507: }
1508: }
1509: }
1510: return @parts_to_hide;
1511: }
1512:
1513: =pod
1514:
1.435 jms 1515: item store_aggregates()
1516:
1517: Sends hash of values to be incremented in nohist_resourcetracker.db
1518: for the course. Increments total number of attempts, unique students
1519: and corrects for each part for an instance of a problem, as appropriate.
1520:
1521: =cut
1522:
1.285 raeburn 1523: sub store_aggregates {
1524: my ($symb,$courseid) = @_;
1.479 raeburn 1525: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1526: my @parts;
1.288 albertel 1527: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1528: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1529: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1530: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1531: push(@parts, $1);
1.285 raeburn 1532: }
1533: }
1.286 albertel 1534: foreach my $part (@parts) {
1.470 raeburn 1535: if ($env{'request.role'} =~/^st/) {
1536: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1537: eq 'APPROX_ANS' ||
1538: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1539: eq 'EXACT_ANS') {
1540: $aggregate{$symb."\0".$part."\0correct"} = 1;
1541: }
1542: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1543: $aggregate{$symb."\0".$part."\0users"} = 1;
1544: } else {
1545: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1546: if ($last_reset) {
1547: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1548: $aggregate{$symb."\0".$part."\0users"} = 1;
1549: }
1550: }
1551: }
1552: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1553: }
1.470 raeburn 1554: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1555: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1556: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1557: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1558: $randtrycounter{$symb."\0".$part} = 1;
1559: } else {
1560: $anoncounter{$symb."\0".$part} = 1;
1561: }
1.545 raeburn 1562: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.'::'};
1.537 raeburn 1563: if ($needsrelease) {
1.470 raeburn 1564: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1565: if ($curr_required eq '') {
1.471 raeburn 1566: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1567: } else {
1568: my ($currmajor,$currminor) = split(/\./,$curr_required);
1569: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1570: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1571: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1572: }
1.292 raeburn 1573: }
1574: }
1.285 raeburn 1575: }
1576: }
1.526 raeburn 1577: if (keys(%aggregate) > 0) {
1.289 albertel 1578: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1579: $cdomain,$cname);
1580: }
1.472 raeburn 1581: if (keys(%anoncounter) > 0) {
1.481 raeburn 1582: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1583: $cdomain,$cname);
1.472 raeburn 1584: }
1.479 raeburn 1585: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1586: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1587: $cdomain,$cname);
1.479 raeburn 1588: }
1.292 raeburn 1589: }
1.289 albertel 1590:
1.557 raeburn 1591: sub access_status_msg {
1592: my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_;
1593: my $msg;
1594: if ($target eq 'web') {
1595: if ($status eq 'UNAVAILABLE') {
1596: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1597: } elsif ($status eq 'NOT_IN_A_SLOT') {
1598: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1599: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1600: ($status eq 'NOTRESERVABLE')) {
1601: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1602: } elsif ($status ne 'NOT_YET_VIEWED') {
1603: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1604: }
1605: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1606: $msg.=&mt('The problem ').$accessmsg;
1607: } elsif ($status eq 'UNCHECKEDOUT') {
1608: $msg.=&checkout_msg();
1609: } elsif ($status eq 'NOT_YET_VIEWED') {
1610: $msg.=&firstaccess_msg($accessmsg,$symb);
1611: } elsif ($status eq 'NOT_IN_A_SLOT') {
1612: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1613: } elsif ($status eq 'RESERVABLE') {
1614: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1615: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1616: '<br />'.
1617: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1618: } elsif ($status eq 'RESERVABLE_LATER') {
1619: $msg.=&mt('Window to make a reservation will open [_1].',
1620: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1621: } elsif ($status eq 'NOTRESERVABLE') {
1622: $msg.=&mt('Not available to make a reservation.');
1623: } elsif ($status eq 'NEED_DIFFERENT_IP') {
1624: if ($ipused) {
1625: $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");
1626: } else {
1627: $msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
1628: &mt('Somebody else has already used this particular computer for that purpose.');
1629: }
1630: }
1631: $msg.='<br />';
1632: } elsif ($target eq 'tex') {
1633: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1634: : '\begin{minipage}{\textwidth}';
1635:
1636: $msg ='\noindent \vskip 1 mm '.
1637: $startminipage.'\vskip 0 mm';
1638: if ($status eq 'UNAVAILABLE') {
1639: $msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1640: } else {
1641: $msg.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1642: }
1643: }
1644: return $msg;
1645: }
1646:
1647: sub checkin_prompt {
1648: my ($target,$slot_name,$slot,$type) = @_;
1649: my $result;
1650: if ($target eq 'web') {
1651: $result = &Apache::bridgetask::proctor_validation_screen($slot);
1652: } elsif ($target eq 'grade') {
1653: if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) {
1654: $result = &mt('An error occurred during check-in');
1655: }
1656: }
1657: return $result;
1658: }
1659:
1660: sub selfcheckin_resource {
1661: my ($resource_due,$slot_name,$slot,$symb) = @_;
1662: if ($slot_name ne '') {
1663: my $checked_in =
1664: $Apache::lonhomework::history{'resource.0.checkedin'};
1665: if ($checked_in eq '') {
1666: # unproctored slot access, self checkin
1667: my $needsiptied;
1668: if (ref($slot)) {
1669: $needsiptied = $slot->{'iptied'};
1670: }
1671: my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1672: $slot_name,$needsiptied);
1673: if ($check =~ /^error: /) {
1674: &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name");
1675: } else {
1676: $checked_in = $Apache::lonhomework::results{"resource.0.checkedin"};
1677: }
1678: }
1679: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1680: if ($slot->{'starttime'} < time()) {
1681: if (!$resource_due) {
1682: $resource_due = $slot->{'endtime'};
1683: } elsif ($slot->{'endtime'} < $resource_due) {
1684: $resource_due = $slot->{'endtime'};
1685: }
1686: }
1687: }
1688: }
1689: return $resource_due;
1690: }
1691:
1.65 albertel 1692: sub checkout_msg {
1.211 albertel 1693: my %lt=&Apache::lonlocal::texthash(
1694: 'resource'=>'The resource needs to be checked out',
1695: '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.',
1696: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 1697: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
1698: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 1699: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1700: return (<<ENDCHECKOUT);
1.211 albertel 1701: <h2>$lt{'resource'}</h2>
1702: <p>$lt{'id_expln'}</p>
1.449 bisitz 1703: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1704: <form name="checkout" method="post" action="$uri">
1.91 albertel 1705: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1706: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1707: </form>
1708: ENDCHECKOUT
1709: }
1710:
1.252 albertel 1711: sub firstaccess_msg {
1.253 albertel 1712: my ($time,$symb)=@_;
1.414 albertel 1713: my $result;
1714: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1715: if ($interval[1] eq 'map') {
1716: my ($map)=&Apache::lonnet::decode_symb($symb);
1717: my $foldertitle=&Apache::lonnet::gettitle($map);
1718:
1719: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1720: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1721: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1722: ,$foldertitle,$time)."</p>";
1.414 albertel 1723: } elsif ($interval[1] eq 'course') {
1724: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1725: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1726: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1727: ,$course,$time)."</p>";
1.414 albertel 1728: } else {
1729: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1730: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1731: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1732: ,$title,$time)."</p>";
1.414 albertel 1733: }
1.352 albertel 1734: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1735: my $buttontext = &mt('Show Resource');
1736: my $timertext = &mt('Start Timer?');
1.571 raeburn 1737: my $shownsymb = &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb),'\'"<>&');
1.414 albertel 1738: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1739: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1740: <input type="hidden" name="markaccess" value="yes" />
1.571 raeburn 1741: <input type="hidden" name="symb" value="$shownsymb" />
1.514 bisitz 1742: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1743: </form>
1744: ENDCHECKOUT
1.414 albertel 1745: return $result;
1.252 albertel 1746: }
1747:
1.204 albertel 1748: sub init_problem_globals {
1749: my ($type)=@_;
1750: #initialize globals
1.308 foxr 1751: # For problems, we start out in part 0 (outside a <part> tag).
1752: # and part 0 is used to describe the main body of the <problem>
1753: #
1.204 albertel 1754: if ($type eq 'problem') {
1755: $Apache::inputtags::part='0';
1756: @Apache::inputtags::partlist=('0');
1.405 albertel 1757: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1758: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1759:
1.266 albertel 1760: } elsif ($type eq 'library') {
1.204 albertel 1761: $Apache::inputtags::part='';
1762: @Apache::inputtags::partlist=();
1.405 albertel 1763: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1764: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1765:
1.304 albertel 1766: } elsif ($type eq 'Task') {
1767: $Apache::inputtags::part='0';
1768: @Apache::inputtags::partlist=('0');
1.405 albertel 1769: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1770: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1771: }
1.477 www 1772: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1773: @Apache::inputtags::responselist = ();
1774: @Apache::inputtags::importlist = ();
1775: @Apache::inputtags::previous=();
1776: @Apache::inputtags::previous_version=();
1.536 raeburn 1777: $Apache::inputtags::leniency='';
1.204 albertel 1778: $Apache::structuretags::printanswer='No';
1779: @Apache::structuretags::whileconds=();
1780: @Apache::structuretags::whilebody=();
1781: @Apache::structuretags::whileline=();
1782: $Apache::lonhomework::scantronmode=0;
1.566 raeburn 1783: $Apache::lonhomework::randomizetrypart=0;
1.204 albertel 1784: undef($Apache::lonhomework::name);
1.358 albertel 1785: undef($Apache::lonhomework::default_type);
1786: undef($Apache::lonhomework::type);
1.204 albertel 1787: }
1788:
1789: sub reset_problem_globals {
1790: my ($type)=@_;
1791: undef(%Apache::lonhomework::history);
1792: undef(%Apache::lonhomework::results);
1793: undef($Apache::inputtags::part);
1.536 raeburn 1794: undef($Apache::inputtags::leniency);
1.498 raeburn 1795: if ($type eq 'Task') {
1796: undef($Apache::inputtags::slot_name);
1.528 raeburn 1797: } elsif ($type eq 'problem') {
1798: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1799: }
1.208 albertel 1800: #don't undef this, lonhomework.pm takes care of this, we use this to
1801: #detect if we try to do 2 problems in one file
1802: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1803: undef($Apache::lonhomework::name);
1.358 albertel 1804: undef($Apache::lonhomework::default_type);
1805: undef($Apache::lonhomework::type);
1806: undef($Apache::lonhomework::scantronmode);
1.566 raeburn 1807: undef($Apache::inputtags::randomizetrypart);
1.358 albertel 1808: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1809: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1810: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1811: }
1812:
1.241 albertel 1813: sub set_problem_state {
1.240 albertel 1814: my ($part)=@_;
1.284 albertel 1815: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1816: $Apache::lonhomework::history{"resource.$part.solved"}=
1817: 'correct_by_student';
1818: }
1819: }
1820:
1.241 albertel 1821: sub get_problem_status {
1822: my ($part)=@_;
1.267 albertel 1823: my $problem_status;
1.284 albertel 1824: if ($env{'request.state'} eq 'construct' &&
1825: defined($env{'form.problemstatus'})) {
1826: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1827: } else {
1828: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1829: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1830: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1831: }
1832: return $problem_status;
1833: }
1834:
1.9 albertel 1835: sub start_problem {
1.326 albertel 1836: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1837:
1.311 foxr 1838: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1839: if (!$Apache::lonxml::metamode) {
1840: &Apache::lonxml::startredirection();
1841: }
1.311 foxr 1842:
1.308 foxr 1843: # Problems don't nest and we don't allow more than one <problem> in
1844: # a .problem file.
1845: #
1.184 albertel 1846: if ( $Apache::inputtags::part ne '' ||
1847: $Apache::lonhomework::parsing_a_problem) {
1848: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1849: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1850: return '';
1851: }
1.184 albertel 1852:
1853: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1854: &init_problem_globals('problem');
1.166 albertel 1855:
1.284 albertel 1856: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1857: $Apache::lonhomework::scantronmode=1;
1858: }
1.161 albertel 1859:
1.159 albertel 1860: if ($target ne 'analyze') {
1.415 raeburn 1861: my $type = &Apache::lonnet::EXT('resource.0.type');
1862: $Apache::lonhomework::type=$type;
1.284 albertel 1863: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1864: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1865: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1866: }
1.332 albertel 1867: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1868: }
1.164 albertel 1869: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1870: my $uri=$env{'request.uri'};
1.159 albertel 1871: if ($uri=~/\.(\w+)$/) {
1872: $Apache::lonhomework::type=$1;
1873: &Apache::lonxml::debug("Using type of $1");
1874: } else {
1875: $Apache::lonhomework::type='problem';
1876: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1877: }
1.87 albertel 1878: }
1.301 albertel 1879: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1880:
1.363 albertel 1881: &initialize_storage();
1.389 albertel 1882: if ($target ne 'analyze'
1883: && $env{'request.state'} eq 'construct') {
1884: &set_problem_state('0');
1885: }
1886:
1.366 albertel 1887: if ($target eq 'web') {
1888: &Apache::lonxml::debug(" grading history ");
1889: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1890: }
1.363 albertel 1891:
1.159 albertel 1892: #added vars to the scripting enviroment
1.213 albertel 1893: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1894: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1895: &Apache::run::run($expression,$safeeval);
1.159 albertel 1896: my $status;
1897: my $accessmsg;
1.508 raeburn 1898: my $resource_due;
1.540 raeburn 1899: my $ipused;
1.159 albertel 1900:
1.343 albertel 1901: my $name= &get_resource_name($parstack,$safeeval);
1.561 raeburn 1902: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres);
1.506 raeburn 1903:
1904: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1905: $target eq 'tex') {
1906: if ($env{'form.markaccess'}) {
1907: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.539 raeburn 1908: my ($timelimit) = split(/_/,$interval[0]);
1.561 raeburn 1909: my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit);
1910: unless (($is_set eq 'ok') || ($is_set eq 'already_set')) {
1911: $firstaccres = $is_set;
1912: }
1.506 raeburn 1913: }
1914: }
1915:
1.354 albertel 1916: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1917: || $target eq 'edit') {
1.528 raeburn 1918: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1919: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1920: $name);
1.552 raeburn 1921: } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
1922: ($target eq 'answer')) {
1.528 raeburn 1923: my ($symb)= &Apache::lonnet::whichuser();
1.568 raeburn 1924: if ($symb ne '') {
1925: my $navmap = Apache::lonnavmaps::navmap->new();
1926: if (ref($navmap)) {
1927: my $res = $navmap->getBySymb($symb);
1928: if (ref($res)) {
1929: $probpartlist = $res->parts();
1930: }
1.528 raeburn 1931: }
1932: }
1.350 albertel 1933: }
1934:
1.574 raeburn 1935: if (($target eq 'web') && ($env{'request.user_in_effect'})) {
1936: &Apache::lonxml::get_all_text("/problem",$parser,$style);
1937: return $result;
1938: }
1939:
1.552 raeburn 1940: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1941: $target eq 'tex') {
1942:
1943: my ($symb)= &Apache::lonnet::whichuser();
1944: ($status,$accessmsg,$slot_name,$slot,$ipused) =
1945: &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
1946: push (@Apache::inputtags::status,$status);
1947: }
1948:
1.284 albertel 1949: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1950:
1.479 raeburn 1951: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1952: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1953: $target eq 'tex') {
1.479 raeburn 1954:
1.568 raeburn 1955: my ($symb) = &Apache::lonnet::whichuser();
1.159 albertel 1956: #handle rand seed in construction space
1.568 raeburn 1957: if (($env{'request.state'} eq 'construct') || ($symb eq '')) {
1958: my $partorder=&Apache::lonnet::metadata($env{'request.uri'},'partorder');
1959: if ($partorder ne '') {
1960: @{$probpartlist} = split(/,/,$partorder);
1961: }
1962: }
1.528 raeburn 1963: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1964: if (($target eq 'grade') && &Apache::response::submitted()) {
1965: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1966: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1967: } else {
1968: my @parts;
1969: if (ref($probpartlist) eq 'ARRAY') {
1970: @parts = @{$probpartlist};
1971: }
1972: unless (@parts) {
1.529 raeburn 1973: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1974: }
1975: }
1976: }
1.479 raeburn 1977:
1.333 albertel 1978: if ($env{'request.state'} ne "construct" &&
1979: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.565 raeburn 1980: my $rndseedval = $rndseed;
1981: if (($symb eq '') && ($Apache::lonhomework::type eq 'randomizetry')) {
1982: $rndseedval = $env{'form.rndseed'};
1983: }
1.162 albertel 1984: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.565 raeburn 1985: $rndseedval.'" />'.
1.551 damieng 1986: '<button type="submit" name="resetdata"
1987: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1988: if (exists($env{'form.username'})) {
1989: $form_tag_start.=
1.164 albertel 1990: '<input type="hidden" name="username"
1.284 albertel 1991: value="'.$env{'form.username'}.'" />';
1.334 albertel 1992: }
1.462 raeburn 1993: if ($env{'request.role.adv'}) {
1994: $form_tag_start.= ' <label class="LC_nobreak">'
1995: .'<input type="checkbox" name="showallfoils"';
1996: if (defined($env{'form.showallfoils'})) {
1997: $form_tag_start.=' checked="checked"';
1998: }
1999: $form_tag_start.= ' /> '
2000: .&mt('Show All Foils')
2001: .'</label>';
2002: }
1.417 www 2003: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 2004: $form_tag_start.=&practice_problem_header();
1.417 www 2005: }
1.462 raeburn 2006: $form_tag_start.='<hr />';
1.570 raeburn 2007: }
1.565 raeburn 2008: if (($env{'request.state'} ne "construct") &&
2009: ($Apache::lonhomework::type eq 'randomizetry') &&
2010: ($status eq 'CAN_ANSWER') &&
2011: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
2012: (!$env{'request.role.adv'})) {
1.549 raeburn 2013: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.566 raeburn 2014: my @parts;
2015: if (ref($probpartlist) eq 'ARRAY') {
2016: @parts = @{$probpartlist};
2017: }
2018: unless (@parts) {
2019: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2020: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2021: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries,$symb);
2022: }
1.479 raeburn 2023: }
1.324 albertel 2024:
1.159 albertel 2025: my $expression='$external::datestatus="'.$status.'";';
2026: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
2027: &Apache::run::run($expression,$safeeval);
2028: &Apache::lonxml::debug("Got $status");
1.324 albertel 2029:
1.159 albertel 2030: if (( $status eq 'CLOSED' ) ||
2031: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2032: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 2033: ( $status eq 'BANNED') ||
1.216 albertel 2034: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 2035: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 2036: ( $status eq 'NOTRESERVABLE') ||
2037: ( $status eq 'RESERVABLE') ||
2038: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 2039: ( $status eq 'INVALID_ACCESS') ||
2040: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 2041: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2042: $style);
1.561 raeburn 2043: if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
2044: $result .= '<p class="LC_error">'.
2045: &mt('A problem occurred when trying to start the timer.').'</p>';
2046: }
1.557 raeburn 2047: $result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);
1.324 albertel 2048: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 2049: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2050: $style);
1.557 raeburn 2051: $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 2052: } elsif ($target eq 'web') {
1.508 raeburn 2053: if ($status eq 'CAN_ANSWER') {
2054: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
2055: if ($slot_name ne '') {
1.557 raeburn 2056: $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
2057: $env{'request.symb'});
1.508 raeburn 2058: }
2059: if ($resource_due) {
2060: my $time_left = $resource_due - time();
2061: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
2062: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
2063: }
2064: }
2065: }
1.368 albertel 2066: $result.="\n $form_tag_start \t".
1.227 albertel 2067: '<input type="hidden" name="submitted" value="yes" />';
2068: # create a page header and exit
1.284 albertel 2069: if ($env{'request.state'} eq "construct") {
1.544 damieng 2070: if ($env{'form.inhibitmenu'} eq 'yes') {
2071: # error messages can be useful in any case
2072: $result.= &Apache::lonxml::message_location();
2073: } else {
1.542 raeburn 2074: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
2075: }
1.428 raeburn 2076: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2077: $result.= '<button type="submit" name="resetdata" '.
2078: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2079: &practice_problem_header().'<hr />';
1.564 raeburn 2080: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
2081: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2082: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2083: $result.=&randomizetry_problem_header($problemstatus,$reqtries);
1.428 raeburn 2084: }
1.227 albertel 2085: }
2086: # if we are viewing someone else preserve that info
1.284 albertel 2087: if (defined $env{'form.grade_symb'}) {
1.227 albertel 2088: foreach my $field ('symb','courseid','domain','username') {
2089: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 2090: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 2091: }
1.479 raeburn 2092: foreach my $field ('trial','questiontype') {
2093: if ($env{"form.grade_$field"} ne '') {
2094: $result .= '<input type="hidden" name="grade_'.$field.
2095: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
2096: }
2097: }
1.159 albertel 2098: }
1.490 raeburn 2099: if ($env{'form.grade_imsexport'}) {
2100: $result = '';
2101: }
1.159 albertel 2102: } elsif ($target eq 'tex') {
1.319 foxr 2103: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 2104: $result .= &select_metadata_hyphenation();
1.99 sakharuk 2105: }
1.159 albertel 2106: } elsif ($target eq 'edit') {
1.343 albertel 2107: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 2108: $Apache::lonxml::warnings_error_header=
2109: &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 2110: my $temp=&Apache::edit::insertlist($target,$token);
2111: $result.=$temp;
2112: } elsif ($target eq 'modified') {
2113: $result=$token->[4];
2114: } else {
2115: # page_start returned a starting result, delete it if we don't need it
2116: $result = '';
1.99 sakharuk 2117: }
1.159 albertel 2118: return $result;
1.9 albertel 2119: }
2120:
2121: sub end_problem {
1.159 albertel 2122: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 2123: my $result;
1.310 foxr 2124:
1.321 albertel 2125: if (!$Apache::lonxml::metamode) {
2126: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 2127: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2128: }
1.319 foxr 2129:
2130: if ($target eq 'tex') {
1.321 albertel 2131: # Figure out the front matter and replace the
2132: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
2133: # this in end_problem because whether or not we display due
2134: # dates depends on whether due dates have already been
2135: # displayed in the problem parts.
2136:
1.319 foxr 2137: my $frontmatter = '';
2138: my $startminipage = '';
2139: if (not $env{'form.problem_split'}=~/yes/) {
2140: $startminipage = '\begin{minipage}{\textwidth}';
2141: }
2142: my $id = $Apache::inputtags::part;
2143: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
2144: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2145: my @packages = split(/,/,$packages);
1.319 foxr 2146: my $allow_print_points = 0;
2147: foreach my $partial_key (@packages) {
2148: if ($partial_key=~m/^part_0$/) {
2149: $allow_print_points=1;
2150: }
2151: }
2152: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2153: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
2154: if (lc($env{'course.'.$env{'request.course.id'}.
2155: '.disableexampointprint'}) eq 'yes') {
2156: $allow_print_points=0;
2157: }
2158: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 2159: 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 2160: &clear_required_languages();
1.319 foxr 2161: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
2162: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
2163:
2164: # Figure out what the due date is and if we need to print
2165: # it in the problem header. We have been logging the
2166: # last due date written to file.
2167:
2168: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2169: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2170: my $duedate_text = &mt('Due date: [_1]'
2171: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2172: my $temp_file;
2173: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2174:
2175: # Figure out what the last printed due date is or set it
2176: # to the epoch if no duedates have been printed.
2177:
2178: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2179: if (-e $filename) {
2180: $temp_file = Apache::File->new($filename);
2181: my @due_file = <$temp_file>;
2182: $due_file_content = $due_file[$#due_file];
2183: chomp $due_file_content;
2184: }
2185:
2186: # We display the due date iff it is not the same as the last
2187: # duedate in problem header ($due_file_content), and
2188: # none of our parts displayed a duedate.
2189: #
2190: my $parts_with_displayduedate;
2191: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2192: $parts_with_displayduedate =
2193: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2194: } else {
2195: $parts_with_displayduedate = 0;
2196: }
2197: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2198: $temp_file = Apache::File->new('>'.$filename);
2199: print $temp_file "$duetime\n";
2200: if (not $env{'request.symb'} =~ m/\.page_/) {
2201: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2202: $frontmatter .= $begin_doc.
1.448 bisitz 2203: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2204: } else {
2205: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2206: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2207: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2208: }
1.319 foxr 2209: }
2210: } else {
1.448 bisitz 2211: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2212: }
2213: } else {
2214: if (not $env{'request.symb'} =~ m/\.page_/) {
2215: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2216: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2217: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2218: }
1.319 foxr 2219: } else {
1.381 albertel 2220: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2221: }
2222: }
2223: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1.574 raeburn 2224: } elsif ($target eq 'web') {
2225: if ($env{'request.user_in_effect'}) {
2226: &reset_problem_globals('problem');
2227: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
2228: return $result;
2229: }
1.319 foxr 2230: }
2231:
1.159 albertel 2232: my $status=$Apache::inputtags::status['-1'];
2233: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2234: $target eq 'tex') {
1.249 albertel 2235: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2236: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2237: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2238: &Apache::inputtags::grade;
1.324 albertel 2239: } elsif ($status eq 'NEEDS_CHECKIN') {
2240: # no need to grade, and don't want to hide data
1.249 albertel 2241: } else {
2242: # move any submission data to .hidden
2243: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2244: }
1.159 albertel 2245: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2246: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2247: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2248: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2249: # if part is zero, no <part>s existed, so we need show the current
2250: # grading status
2251: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2252: $result.= $gradestatus;
2253: }
2254: if (
1.284 albertel 2255: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2256: ($target eq 'answer') || ($target eq 'tex')
2257: ) {
1.490 raeburn 2258: if (($target ne 'tex') &&
2259: ($env{'form.answer_output_mode'} ne 'tex') &&
2260: (!$env{'form.grade_imsexport'})) {
1.254 www 2261: $result.="</form>";
1.159 albertel 2262: }
2263: if ($target eq 'web') {
1.507 raeburn 2264: #
2265: # Closing </body></html> not added by end_page().
2266: # Added separately at end of this routine, after added
2267: # <script></script> so document will be valid xhtml.
2268: #
1.546 raeburn 2269: my $showdisc = 1;
1.547 raeburn 2270: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
2271: (!$env{'request.role.adv'})) {
2272: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 2273: $showdisc = 0;
1.547 raeburn 2274: my ($symb)= &Apache::lonnet::whichuser();
2275: if ($symb) {
2276: my $navmap = Apache::lonnavmaps::navmap->new();
2277: if (ref($navmap)) {
2278: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
2279: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 2280: # and there are no tries left
1.547 raeburn 2281: unless ($hastries) {
2282: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
2283: my ($score,$incomplete) =
2284: &Apache::lonplacementtest::check_completion(undef,undef,1);
2285: if (!$incomplete) {
2286: $result .= &Apache::lonplacementtest::showresult(1,1);
2287: } elsif ($incomplete < 100) {
2288: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
2289: }
2290: } else {
2291: # For Placement Tests score is displayed if test has just been completed
2292: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
2293: if (!$incomplete) {
2294: $result.= &Apache::lonplacementtest::showresult(1,1);
2295: }
2296: }
2297: }
2298: }
2299: }
1.546 raeburn 2300: }
2301: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 2302: 'notbody' => 1});
1.159 albertel 2303: } elsif ($target eq 'tex') {
1.178 sakharuk 2304: my $endminipage = '';
1.284 albertel 2305: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2306: $endminipage = '\end{minipage}';
2307: }
1.284 albertel 2308: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2309: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2310: } else {
1.262 sakharuk 2311: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2312: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2313: $result .= $endminipage.'\end{document} ';
2314: } else {
1.382 albertel 2315: $result .= $endminipage;
1.262 sakharuk 2316: }
1.159 albertel 2317: }
2318: }
2319: }
1.476 www 2320: if ($target eq 'web') {
1.566 raeburn 2321: $result.=&Apache::functionplotresponse::init_script();
2322: if ($Apache::lonhomework::default_type eq 'randomizetry') {
2323: my ($symb) = &Apache::lonnet::whichuser();
2324: if ((($env{'request.state'} eq 'construct') || ($symb eq '')) &&
2325: ($status eq 'CAN_ANSWER')) {
2326: unless (@Apache::inputtags::partlist > 1) {
2327: $result.= <<"ENDJS";
2328: <script type="text/javascript">
2329: // <![CDATA[
2330: \$(document).ready(function() {
2331: \$('#LC_randomizetry_header').css('display','block');
2332: });
2333: // ]]>
2334: </script>
2335: ENDJS
2336: }
2337: }
2338: }
1.476 www 2339: }
1.159 albertel 2340: if ($target eq 'grade') {
2341: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2342: &finalize_storage();
2343: }
1.284 albertel 2344: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2345: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2346: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2347: # normally we get it from above, but in CSTR
1.172 albertel 2348: # we always show answer mode too.
1.159 albertel 2349: }
2350: } elsif ($target eq 'meta') {
2351: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2352: @Apache::inputtags::response=();
1.159 albertel 2353: $result=&Apache::response::mandatory_part_meta;
2354: }
1.559 raeburn 2355: $result.=&Apache::response::meta_part_order('problem');
1.258 albertel 2356: $result.=&Apache::response::meta_response_order();
1.159 albertel 2357: } elsif ($target eq 'edit') {
2358: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2359: $result .= &problem_edit_footer();
1.320 albertel 2360: } elsif ($target eq 'modified') {
2361: $result .= $token->[2];
1.159 albertel 2362: }
1.155 albertel 2363:
1.284 albertel 2364: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2365: &Apache::inputtags::check_for_duplicate_ids();
2366: }
1.204 albertel 2367:
2368: &reset_problem_globals('problem');
1.159 albertel 2369:
1.502 foxr 2370: #
2371: # This shouild be just above the return so that the
2372: # time put in the javascript is as late as possible in the
2373: # computation:
2374: #
2375: if ($target eq 'web') {
1.578 raeburn 2376: $result .= &Apache::lonhtmlcommon::dash_to_minus_js().
2377: &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2378: #
2379: # Closing tags delayed so any <script></script> tags
2380: # not in head can appear inside body, for valid xhtml.
2381: #
2382: $result .= "</body>\n</html>";
1.502 foxr 2383: }
1.159 albertel 2384: return $result;
1.48 albertel 2385: }
2386:
1.108 albertel 2387:
1.48 albertel 2388: sub start_library {
1.159 albertel 2389: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2390: my ($result,$form_tag_start);
1.371 albertel 2391: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2392: &init_problem_globals('library');
2393: $Apache::lonhomework::type='problem';
2394: }
1.159 albertel 2395: if ($target eq 'edit') {
1.343 albertel 2396: ($result,$form_tag_start)=
2397: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2398: 'Edit');
2399: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2400: my $temp=&Apache::edit::insertlist($target,$token);
2401: $result.=$temp;
2402: } elsif ($target eq 'modified') {
2403: $result=$token->[4];
1.340 albertel 2404: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2405: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2406: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2407: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2408: ($result,$form_tag_start)=
2409: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2410: $name);
1.479 raeburn 2411: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2412: $result.=" \n $form_tag_start".
1.159 albertel 2413: '<input type="hidden" name="submitted" value="yes" />';
2414: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2415: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2416: $result.= '<button type="submit" name="resetdata" '.
2417: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2418: &practice_problem_header().'<hr />';
1.428 raeburn 2419: }
1.159 albertel 2420: }
2421: return $result;
1.48 albertel 2422: }
2423:
2424: sub end_library {
1.159 albertel 2425: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2426: my $result='';
2427: if ($target eq 'edit') {
2428: $result=&problem_edit_footer();
1.371 albertel 2429: } elsif ($target eq 'web'
2430: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2431: && $env{'request.state'} eq "construct") {
1.349 albertel 2432: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.558 raeburn 2433: } elsif ($target eq 'meta') {
1.559 raeburn 2434: $result.=&Apache::response::meta_part_order('library');
1.558 raeburn 2435: $result.=&Apache::response::meta_response_order();
1.159 albertel 2436: }
1.371 albertel 2437: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2438: &reset_problem_globals('library');
2439: }
1.159 albertel 2440: return $result;
1.197 www 2441: }
2442:
2443: sub start_definetag {
1.326 albertel 2444: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2445:
2446: my $result;
2447:
2448: my $name = $token->[2]->{'name'};
1.326 albertel 2449: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2450: if ($target eq 'web') {
2451: if ($name=~/^\//) {
2452: $result=
2453: '<br /><table class="LC_sty_end"><tr><th>'.
2454: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2455: } else {
2456: $result=
2457: '<br /><table class="LC_sty_begin"><tr><th>'.
2458: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2459: }
2460: $skip = &HTML::Entities::encode($skip, '<>&"');
2461: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2462: }
2463: return $result;
2464: }
2465:
2466: sub end_definetag {
2467: return '';
1.1 albertel 2468: }
2469:
2470: sub start_block {
1.201 albertel 2471: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2472:
2473: my $result;
1.1 albertel 2474:
1.339 albertel 2475: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2476: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2477: my $code = $token->[2]->{'condition'};
1.385 albertel 2478: if (defined($code) && $code ne '') {
1.137 albertel 2479: if (!$Apache::lonxml::default_homework_loaded) {
2480: &Apache::lonxml::default_homework_load($safeeval);
2481: }
1.131 albertel 2482: $result = &Apache::run::run($code,$safeeval);
2483: &Apache::lonxml::debug("block :$code: returned :$result:");
2484: } else {
2485: $result='1';
2486: }
2487: if ( ! $result ) {
1.201 albertel 2488: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2489: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2490: }
2491: $result='';
2492: } elsif ($target eq 'edit') {
2493: $result .=&Apache::edit::tag_start($target,$token);
2494: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2495: $token,40);
2496: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2497: } elsif ($target eq 'modified') {
2498: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2499: $safeeval,'condition');
2500: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2501: }
1.131 albertel 2502: return $result;
1.1 albertel 2503: }
2504:
2505: sub end_block {
1.167 www 2506: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2507: my $result;
2508: if ($target eq "edit") {
2509: $result.= &Apache::edit::tag_end($target,$token,'');
2510: }
2511: return $result;
2512: }
1.500 foxr 2513: #
2514: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2515: # ...
2516: # </languageblock>
2517: #
2518: # This declares the intent to provide content that can be rendered in the
2519: # set of languages in the include specificatino but not in the exclude
2520: # specification. If a currently preferred language is in the include list
2521: # the content in the <languageblock>...</languageblock> is rendered
2522: # If the currently preferred language is in the exclude list,
2523: # the content in the <languageblock>..></languageblock is not rendered.
2524: #
2525: # Pathalogical case handling:
2526: # - Include specified, without the preferred language but exclude specified
2527: # also without the preferred langauge results in rendering the block.
2528: # - Exclude specified without include and excluden not containing a
2529: # preferred language renders the block.
2530: # - Include and exclude both specifying the preferred language does not
2531: # render the block.
2532: # - If neither include/exclude is specified, the block gets rendered.
2533: #
2534: # This tag has no effect when target is in {edit, modified}
2535: #
1.167 www 2536: sub start_languageblock {
1.201 albertel 2537: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2538:
1.500 foxr 2539: my $result = '';
1.167 www 2540:
1.339 albertel 2541: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2542: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2543: my $include = $token->[2]->{'include'};
2544: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2545: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2546:
2547: # This should not even happen, since we should at least have the server language
2548:
2549: if (!$preferred_languages[0]) {
2550: $preferred_languages[0]='en';
2551: }
2552:
2553: # Now loop over all languages in order of preference
2554:
2555: my $render;
1.398 www 2556: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2557:
2558: # If neither include/nor exlude is present the block is going
2559: # to get rendered.
2560:
1.399 www 2561: my $found=0;
1.500 foxr 2562: $render=1;
2563:
2564: # If include is specified, don't render the block
2565: # unless the preferred language is included in the set.
2566:
1.398 www 2567: if ($include) {
1.500 foxr 2568: $render=0;
1.398 www 2569: foreach my $included_language (split(/\,/,$include)) {
2570: if ($included_language eq $preferred_language) {
1.500 foxr 2571: $render=1;
1.399 www 2572: $found=1;
1.500 foxr 2573: last; # Only need to find the first.
1.398 www 2574: }
2575: }
2576: }
1.500 foxr 2577: # Do we have an exclude argument?
2578: # If so, and one of the languages matches a preferred language
2579: # inhibit rendering the block. Note that in the pathalogical case the
2580: # author has specified a preferred language in both the include and exclude
2581: # attribte exclude is preferred.
2582:
1.398 www 2583: if ($exclude) {
1.500 foxr 2584: $render=1;
1.398 www 2585: foreach my $excluded_language (split(/\,/,$exclude)) {
2586: if ($excluded_language eq $preferred_language) {
1.500 foxr 2587: $render=0;
1.399 www 2588: $found=1;
1.500 foxr 2589: last; # Only need to find the first.
1.398 www 2590: }
2591: }
2592: }
1.500 foxr 2593: if ($found) {
2594: last; # Done on any match of include or exclude.
2595: }
1.398 www 2596: }
1.500 foxr 2597: # If $render not true skip the entire block until </languageblock>
2598: #
2599:
2600: if ( ! $render ) {
1.201 albertel 2601: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2602: $style);
2603: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2604: }
1.500 foxr 2605: # If $render is true, we've not skipped the contents of the <languageglock>
2606: # and the normal loncapa processing flow will render it as a matter of course.
2607:
1.167 www 2608: } elsif ($target eq 'edit') {
2609: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2610: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2611: $token,40);
1.211 albertel 2612: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2613: $token,40);
2614: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2615: } elsif ($target eq 'modified') {
2616: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2617: $safeeval,'include',
2618: 'exclude');
1.167 www 2619: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2620: }
2621: return $result;
2622: }
2623:
2624: sub end_languageblock {
1.170 www 2625: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2626: my $result;
1.201 albertel 2627: if ($target eq "edit") {
1.170 www 2628: $result.= &Apache::edit::tag_end($target,$token,'');
2629: }
2630: return $result;
2631: }
1.500 foxr 2632: # languagblock specific tags:
2633: {
2634: # For chunks of a resource that has translations, this hash contains
2635: # the translations available indexed by language name.
2636: #
2637:
2638: my %available_texts;
1.170 www 2639:
1.500 foxr 2640: # <translated> starts a block of a resource that has multiple translations.
2641: # See the <lang> tag as well.
2642: # When </translated> is encountered if there is a translation for the
2643: # currently preferred language, that is rendered inthe web/tex/webgrade
2644: # targets. Otherwise, the default text is rendered.
2645: #
2646: # Note that <lang> is only registered for the duration of the
2647: # <translated>...</translated> block
2648: #
2649: # Pathalogical case handling:
2650: # - If there is no <lang> that specifies a 'default' and there is no
2651: # translation that matches a preferred language, nothing is rendered.
2652: # - Nested <translated>...</translated> might be linguistically supported by
2653: # XML due to the stack nature of tag registration(?) however the rendered
2654: # output will be incorrect because there is only one %available_texts
2655: # has and end_translated clears it.
2656: # - Material outside of a <lang>...</lang> block within the
2657: # <translated>...<translated> block won't render either e.g.:
2658: # <translated>
2659: # The following will be in your preferred langauge:
2660: # <lang which='en'>
2661: # This section in english
2662: # </lang>
2663: # <lang which='sgeiso'>
2664: # Hier es ist auf Deutsch.
2665: # </lang>
2666: # <lang which='sfriso'>
2667: # En Francais
2668: # </lang>
2669: # </translated>
2670: #
2671: # The introductory text prior to the first <lang> tag is not rendered.
2672: #
1.397 albertel 2673: sub start_translated {
2674: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2675: &Apache::lonxml::register('Apache::structuretags',('lang'));
2676: undef(%available_texts);
2677: }
2678:
2679: sub end_translated {
2680: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2681: my $result;
2682: #show the translation on viewable targets
2683: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2684: # or non-viewable targets, if it's embedded in something that
2685: # wants the output
2686: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2687: && &Apache::lonxml::in_redirection() ) ) {
2688: my @possibilities = keys(%available_texts);
2689: my $which =
2690: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2691: if ($target eq 'tex') {
2692: $result = &select_hyphenation($which);
2693: }
2694: $result .= $available_texts{$which};
2695: if ($target eq 'tex') {
2696: $result .= &select_metadata_hyphenation(); # Restore original language.
2697: }
1.397 albertel 2698: }
2699: undef(%available_texts);
2700: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2701: return $result;
2702: }
2703:
1.500 foxr 2704: # <lang [which='language-name'] [other='lang1,lang2...']>
2705: # Specifies that the block contained within it is a translation
2706: # for a specific language specified by the 'which' attribute. The
2707: # 'other' attribute can be used by itself or in conjunction with
2708: # which to specify this tag _may_ be used as a translation for some
2709: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2710: # specifying that the block provides a translation for US (primary)
2711: # Canadian, Australian and UK Englush.
2712: #
2713: # Comment: this seems a bit silly why not just support a list of languages
2714: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2715: #
2716: # Effect:
2717: # The material within the <lang>..</lang> block is stored in the
2718: # specified set of $available_texts hash entries, the appropriate one
2719: # is selected at </translated> time.
2720: #
2721: # Pathalogical case handling:
2722: # If a language occurs multiple times within a <translated> block,
2723: # only the last one is rendered e.g.:
2724: #
2725: # <translated>
2726: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2727: # Red green color blindness is quite common affecting about 7.8% of
2728: # the male population, but onloy about .65% of the female population.
2729: # </lang>
2730: # Red green colour blindness is quite common affecting about 7.8% of
2731: # the male population, but onloy about .65% of the female population.
2732: # <lang which='seniso', other='senisoCA,senisoAU'>
2733: # </translated>
2734: #
2735: # renders the correct spelling of color (colour) for people who have specified
2736: # a preferred language that is one of the British Commonwealth languages
2737: # even though those are also listed as valid selections for the US english
2738: # <lang> block.
2739: #
1.397 albertel 2740: sub start_lang {
2741: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2742: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2743: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2744: &Apache::lonxml::startredirection();
2745: }
2746: return '';
2747: }
2748:
2749: sub end_lang {
2750: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2751: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2752: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2753: my $result = &Apache::lonxml::endredirection();
2754: my $which = &Apache::lonxml::get_param('which',$parstack,
2755: $safeeval);
1.431 raeburn 2756: if ($which=~/\w/) {
2757: $available_texts{$which} = $result;
2758: }
2759: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2760: $safeeval);
2761: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2762: if ($language=~/\w/) {
2763: $available_texts{$language} = $result;
2764: }
1.427 bisitz 2765: }
2766:
1.397 albertel 2767: }
2768: return '';
2769: }
1.500 foxr 2770: } # end langauge block specific tags.
2771:
1.397 albertel 2772:
1.170 www 2773: sub start_instructorcomment {
1.201 albertel 2774: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2775:
2776: my $result;
2777:
1.339 albertel 2778: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2779: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2780: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2781: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2782: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2783: $parser,$style);
1.170 www 2784: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2785: }
2786: $result='';
2787: } elsif ($target eq 'edit') {
2788: $result .=&Apache::edit::tag_start($target,$token);
2789: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2790: }
2791: return $result;
2792: }
2793:
2794: sub end_instructorcomment {
1.159 albertel 2795: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2796: my $result;
2797: if ($target eq "edit") {
2798: $result.= &Apache::edit::tag_end($target,$token,'');
2799: }
2800: return $result;
1.4 tsai 2801: }
2802:
2803: sub start_while {
1.326 albertel 2804: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2805:
1.160 albertel 2806: my $result;
1.339 albertel 2807: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2808: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2809: my $code = $token->[2]->{'condition'};
1.4 tsai 2810:
1.160 albertel 2811: push( @Apache::structuretags::whileconds, $code);
2812: if (!$Apache::lonxml::default_homework_loaded) {
2813: &Apache::lonxml::default_homework_load($safeeval);
2814: }
2815: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2816: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2817: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2818: push( @Apache::structuretags::whileline, $token->[5]);
2819: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2820: if ( $result ) {
2821: &Apache::lonxml::newparser($parser,\$bodytext);
2822: }
2823: } elsif ($target eq 'edit') {
2824: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2825: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2826: $token,40);
2827: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2828: } elsif ($target eq 'modified') {
2829: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2830: $safeeval,'condition');
2831: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2832: }
1.160 albertel 2833: return $result;
1.4 tsai 2834: }
2835:
2836: sub end_while {
1.159 albertel 2837: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2838: my $result;
2839:
1.339 albertel 2840: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2841: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2842: my $code = pop(@Apache::structuretags::whileconds);
2843: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2844: my $line = pop(@Apache::structuretags::whileline);
2845: my $return = &Apache::run::run($code,$safeeval);
2846: my $starttime=time;
2847: my $error=0;
2848: while ($return) {
2849: if (time-$starttime >
2850: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2851: $return = 0; $error=1; next;
1.161 albertel 2852: }
2853: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2854: if ($target eq 'grade' || $target eq 'answer' ||
2855: $target eq 'analyze') {
2856: # grade/answer/analyze should produce no output but if we
2857: # are redirecting, the redirecter should know what to do
2858: # with the output
2859: if (!$Apache::lonxml::redirection) { undef($result); }
2860: }
1.161 albertel 2861: $return = &Apache::run::run($code,$safeeval);
2862: }
1.516 bisitz 2863: if ($error) {
2864: &Apache::lonxml::error(
2865: '<pre>'
2866: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2867: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2868: .&mt('This occurred while running <while> on line [_1].',
2869: $line)
2870: .'</pre>');
2871: }
1.160 albertel 2872: } elsif ($target eq "edit") {
2873: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2874: }
1.160 albertel 2875: return $result;
1.1 albertel 2876: }
1.6 tsai 2877:
1.160 albertel 2878: # <randomlist show="1">
1.6 tsai 2879: # <tag1>..</tag1>
2880: # <tag2>..</tag2>
2881: # <tag3>..</tag3>
1.160 albertel 2882: # ...
1.6 tsai 2883: # </randomlist>
2884: sub start_randomlist {
1.326 albertel 2885: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2886: my $result;
1.339 albertel 2887: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2888: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2889: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2890: my $b_parser= HTML::LCParser->new(\$body);
2891: $b_parser->xml_mode(1);
2892: $b_parser->marked_sections(1);
1.159 albertel 2893: my $b_tok;
2894: my @randomlist;
2895: my $list_item;
2896: while($b_tok = $b_parser->get_token() ) {
2897: if($b_tok->[0] eq 'S') { # start tag
2898: # get content of the tag until matching end tag
2899: # get all text upto the matching tag
2900: # and push the content into @randomlist
2901: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2902: $b_parser);
2903: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2904: push(@randomlist,$list_item);
2905: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2906: # $list_item</b>";
2907: }
2908: if($b_tok->[0] eq 'T') { # text
2909: # what to do with text in between tags?
2910: # print "<b>TEXT $b_tok->[1]</b><br />";
2911: }
2912: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2913: # print "<b>END-TAG $b_tok->[1]</b><br />";
2914: # }
2915: }
1.303 albertel 2916: if (@randomlist) {
2917: my @idx_arr = (0 .. $#randomlist);
1.555 raeburn 2918: if ($env{'form.code_for_randomlist'}) {
2919: &Apache::structuretags::shuffle(\@idx_arr,$target);
2920: undef($env{'form.code_for_randomlist'});
2921: } else {
2922: &Apache::structuretags::shuffle(\@idx_arr);
2923: }
1.303 albertel 2924: my $bodytext = '';
2925: my $show=$#randomlist;
2926: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2927: $showarg--;
2928: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2929: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2930: my @currlist;
2931: my $part = $Apache::inputtags::part;
2932: if ($part ne '') {
2933: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2934: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2935: if (!(grep(/^\Q$part\E$/,@currlist))) {
2936: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2937: }
2938: } else {
2939: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2940: }
2941: }
2942: }
1.526 raeburn 2943: for my $i (0 .. $show) {
2944: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2945: }
2946: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2947: }
2948: } elsif ($target eq 'edit' ) {
2949: $result .=&Apache::edit::tag_start($target,$token);
2950: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2951: $token,5);
2952: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2953: } elsif ($target eq 'modified' ) {
2954: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2955: $safeeval,'show');
2956: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2957: }
2958: return $result;
1.7 tsai 2959: }
2960:
2961: sub shuffle {
1.555 raeburn 2962: my ($a,$target) = @_;
1.7 tsai 2963: my $i;
1.303 albertel 2964: if (ref($a) eq 'ARRAY' && @$a) {
1.555 raeburn 2965: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2966: for($i=@$a;--$i;) {
2967: my $j=int(&Math::Random::random_uniform() * ($i+1));
2968: next if $i == $j;
2969: @$a[$i,$j] = @$a[$j,$i];
2970: }
1.251 albertel 2971: &Apache::response::poprandomnumber();
1.7 tsai 2972: }
1.6 tsai 2973: }
2974:
2975: sub end_randomlist {
1.159 albertel 2976: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2977: my $result;
2978: if ($target eq 'edit' ) {
2979: $result=&Apache::edit::tag_end($target,$token,
2980: 'End Randomly Parsed Block');
2981: }
2982: return $result;
1.6 tsai 2983: }
2984:
1.283 albertel 2985: sub ordered_show_check {
2986: my $last_part=$Apache::inputtags::partlist[-2];
2987: my $in_order=
2988: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2989: my $in_order_show=1;
2990: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2991: $in_order_show=&Apache::response::check_status($last_part);
2992: }
2993: return $in_order_show;
2994: }
2995:
1.469 www 2996:
2997: sub start_startpartmarker {
2998: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2999: my $result='';
3000: if ($target eq 'edit') {
3001: $result=&Apache::edit::tag_start($target,$token);
3002: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
3003: $result.=&Apache::edit::end_table();
3004:
3005: }
3006: return $result;
3007: }
3008:
3009: sub end_startpartmarker {
3010: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3011: my @result;
3012: if ($target eq 'edit') { $result[1]='no'; }
3013: return @result;
3014: }
3015:
3016: sub start_endpartmarker {
3017: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3018: my $result='';
3019: if ($target eq 'edit') {
3020: $result=&Apache::edit::tag_start($target,$token);
3021: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
3022: $result.=&Apache::edit::end_table();
3023:
3024: }
3025: return $result;
3026: }
3027:
3028: sub end_endpartmarker {
3029: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3030: my @result;
3031: if ($target eq 'edit') { $result[1]='no'; }
3032: return @result;
3033: }
3034:
3035:
3036:
3037:
3038:
1.11 albertel 3039: sub start_part {
1.326 albertel 3040: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 3041: if (!$Apache::lonxml::metamode) {
3042: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
3043: # duedates.
3044: }
1.159 albertel 3045: my $result='';
1.386 albertel 3046: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 3047: $Apache::inputtags::part=$id;
1.177 albertel 3048: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 3049: $Apache::inputtags::leniency='';
1.177 albertel 3050: @Apache::inputtags::response=();
1.159 albertel 3051: @Apache::inputtags::previous=();
3052: @Apache::inputtags::previous_version=();
1.405 albertel 3053: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 3054: &Apache::response::reset_params();
3055:
1.159 albertel 3056: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 3057: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
3058: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 3059: if ($Apache::lonhomework::type eq 'randomizetry') {
3060: my $rndseed=&setup_rndseed($safeeval,$target);
3061: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 3062: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 3063: }
1.570 raeburn 3064: } elsif (@Apache::inputtags::partlist > 1) {
3065: my $prevparttype = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[-2].type");
3066: if ($prevparttype eq 'randomizetry') {
3067: my $rndseed=&setup_rndseed($safeeval,$target,'',$prevparttype);
3068: if (($target eq 'grade') && &Apache::response::submitted()) {
3069: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
3070: }
3071: }
1.528 raeburn 3072: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 3073: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 3074: }
1.283 albertel 3075: my $in_order_show=&ordered_show_check();
1.214 albertel 3076: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 3077: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 3078: &Apache::run::run($expression,$safeeval);
1.159 albertel 3079:
3080: if ($target eq 'meta') {
1.224 www 3081: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
3082: return &Apache::response::mandatory_part_meta.
3083: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 3084: } elsif ($target eq 'web' || $target eq 'grade' ||
3085: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 3086: if ($hidden || !$in_order_show) {
1.326 albertel 3087: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 3088: } else {
3089: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
3090: push (@Apache::inputtags::status,$status);
3091: my $expression='$external::datestatus="'.$status.'";';
3092: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
3093: &Apache::run::run($expression,$safeeval);
1.284 albertel 3094: if ($env{'request.state'} eq 'construct') {
1.241 albertel 3095: &set_problem_state($Apache::inputtags::part);
1.240 albertel 3096: }
1.216 albertel 3097: if (( $status eq 'CLOSED' ) ||
3098: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 3099: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 3100: ( $status eq 'BANNED') ||
3101: ( $status eq 'UNAVAILABLE') ||
3102: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 3103: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
3104: $style);
1.159 albertel 3105: if ( $target eq "web" ) {
1.211 albertel 3106: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 3107: } elsif ( $target eq 'tex' ) {
1.284 albertel 3108: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 3109: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 3110: } else {
1.211 albertel 3111: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 3112: }
1.159 albertel 3113: }
3114: } else {
3115: if ($target eq 'tex') {
1.284 albertel 3116: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 3117: if ($$tagstack[-2] eq 'td') {
1.388 foxr 3118: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 3119: } else {
3120: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
3121: }
1.195 sakharuk 3122: }
1.159 albertel 3123: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 3124: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 3125: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 3126: my $allow_print_points = 0;
3127: foreach my $partial_key (@allkeys) {
1.230 albertel 3128: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 3129: if ($1 ne '0') {$allow_print_points=1;}
3130: }
3131: }
1.275 albertel 3132: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
3133: if (defined($maxtries) && $maxtries < 0) {
3134: $allow_print_points=0;
3135: }
1.302 albertel 3136: if (lc($env{'course.'.$env{'request.course.id'}.
3137: '.disableexampointprint'}) eq 'yes') {
3138: $allow_print_points=0;
3139: }
1.463 foxr 3140: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 3141: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 3142:
3143: }
1.233 www 3144: } elsif ($target eq 'web') {
1.479 raeburn 3145: if ($status eq 'CAN_ANSWER') {
3146: my $problemstatus = &get_problem_status($Apache::inputtags::part);
3147: my $num = scalar(@Apache::inputtags::partlist)-1;
1.567 raeburn 3148: if ((($Apache::lonhomework::default_type eq 'randomizetry') ||
3149: ($Apache::lonhomework::randomizetrypart)) &&
1.566 raeburn 3150: ($Apache::lonhomework::type ne 'randomizetry')) {
3151: $result .= &randomizetry_part_header($problemstatus,'none',$num);
3152: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
3153: $Apache::lonhomework::randomizetrypart = 1;
3154: my $reqtries = &Apache::lonnet::EXT("resource.$id.randomizeontries");
1.479 raeburn 3155: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
3156: }
3157: }
1.475 raeburn 3158: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 3159: }
3160: }
3161: }
3162: } elsif ($target eq 'edit') {
3163: $result.=&Apache::edit::tag_start($target,$token);
3164: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
3165: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 3166: ' '.
3167: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 3168: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
3169: } elsif ($target eq 'modified') {
3170: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 3171: $safeeval,'id','display');
1.159 albertel 3172: if ($constructtag) {
1.225 albertel 3173: #limiting ids to only letters numbers, and space
1.224 www 3174: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 3175: $result = &Apache::edit::rebuild_tag($token);
3176: }
3177: }
3178: return $result;
1.11 albertel 3179: }
3180:
3181: sub end_part {
1.159 albertel 3182: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3183: &Apache::lonxml::debug("in end_part $target ");
3184: my $status=$Apache::inputtags::status['-1'];
3185: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 3186: my $in_order_show=&ordered_show_check();
1.321 albertel 3187: my $result;
3188: if (!$Apache::lonxml::metamode) {
3189: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 3190: $Apache::lonxml::post_evaluate=0;
1.321 albertel 3191: }
1.312 albertel 3192: if ($target eq 'grade') {
1.249 albertel 3193: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 3194: !$hidden && $in_order_show) {
1.311 foxr 3195: $result.=&Apache::inputtags::grade;
1.249 albertel 3196: } else {
3197: # move any submission data to .hidden
3198: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3199: }
1.283 albertel 3200: } elsif (($target eq 'web' || $target eq 'tex') &&
3201: !$hidden && $in_order_show) {
1.159 albertel 3202: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3203: $target);
1.490 raeburn 3204: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3205: ($env{'form.grade_imsexport'})) {
1.212 albertel 3206: $gradestatus='';
3207: }
1.311 foxr 3208: $result.=$gradestatus;
1.572 raeburn 3209: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {
3210: if (not $env{'form.problem_split'}=~/yes/) {
3211: $result.='\end{minipage}';
3212: }
1.573 raeburn 3213: }
1.181 albertel 3214: } elsif ($target eq 'edit') {
1.311 foxr 3215: $result.=&Apache::edit::end_table();
1.322 albertel 3216: } elsif ($target eq 'modified') {
3217: $result .= $token->[2];
1.159 albertel 3218: }
3219: pop @Apache::inputtags::status;
3220: $Apache::inputtags::part='';
1.536 raeburn 3221: $Apache::inputtags::leniency='';
1.295 albertel 3222: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3223: return $result;
1.11 albertel 3224: }
1.1 albertel 3225:
1.25 albertel 3226: sub start_preduedate {
1.326 albertel 3227: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3228: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3229: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3230: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3231: if (!$Apache::lonhomework::scantronmode &&
3232: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3233: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3234: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3235: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3236: }
1.24 albertel 3237: }
1.159 albertel 3238: return '';
1.24 albertel 3239: }
3240:
1.25 albertel 3241: sub end_preduedate {
1.159 albertel 3242: return '';
1.24 albertel 3243: }
3244:
1.369 foxr 3245: # In all the modes where <postanswerdate> text is
3246: # displayable, all we do is eat up the text between the start/stop
3247: # tags if the conditions are not right to display it.
1.25 albertel 3248: sub start_postanswerdate {
1.326 albertel 3249: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3250: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3251: &Apache::lonnet::allowed('pav',
3252: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3253: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3254: $target eq 'tex' ) {
1.300 albertel 3255: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3256: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3257: (($target eq 'tex') && !$pav)) {
1.326 albertel 3258: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3259: }
3260: }
3261: return '';
1.24 albertel 3262: }
3263:
1.25 albertel 3264: sub end_postanswerdate {
1.159 albertel 3265: return '';
1.24 albertel 3266: }
3267:
1.25 albertel 3268: sub start_notsolved {
1.326 albertel 3269: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3270: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3271: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3272: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3273: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3274: if ($gradestatus =~ /^correct/ &&
3275: &Apache::response::show_answer()) {
1.159 albertel 3276: &Apache::lonxml::debug("skipping");
1.326 albertel 3277: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3278: }
1.24 albertel 3279: }
1.159 albertel 3280: return '';
1.24 albertel 3281: }
3282:
1.25 albertel 3283: sub end_notsolved {
1.159 albertel 3284: return '';
1.24 albertel 3285: }
3286:
3287: sub start_solved {
1.326 albertel 3288: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3289: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3290: $target eq 'tex') {
3291: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3292: if ($gradestatus !~ /^correct/ ||
3293: !&Apache::response::show_answer()) {
1.326 albertel 3294: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3295: }
1.24 albertel 3296: }
1.159 albertel 3297: return '';
1.24 albertel 3298: }
3299:
3300: sub end_solved {
1.248 albertel 3301: return '';
3302: }
3303:
3304: sub start_problemtype {
1.326 albertel 3305: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3306: my $result;
1.339 albertel 3307: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3308: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3309: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3310: if (!defined($mode)) { $mode='show'; }
3311: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3312: my $found=0;
3313: foreach my $type (split(',',$for)) {
3314: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3315: }
3316: if ($mode eq 'show' && !$found) {
1.326 albertel 3317: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3318: }
3319: if ($mode eq 'hide' && $found) {
1.326 albertel 3320: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3321: }
3322: } elsif ($target eq 'edit') {
3323: $result .=&Apache::edit::tag_start($target,$token);
3324: $result.=&Apache::edit::select_arg('Mode:','mode',
3325: [['show','Show'],
3326: ['hide','Hide']]
3327: ,$token);
3328: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 3329: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 3330: ['survey','Survey'],
1.465 raeburn 3331: ['surveycred','Survey (with credit)'],
3332: ['anonsurvey','Anonymous Survey'],
3333: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3334: ['problem','Homework Problem'],
1.479 raeburn 3335: ['practice','Practice Problem'],
3336: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3337: ,$token);
3338: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3339: } elsif ($target eq 'modified') {
3340: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3341: $safeeval,'mode','for');
3342: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3343: }
3344: return $result;
3345: }
3346:
3347: sub end_problemtype {
1.159 albertel 3348: return '';
1.24 albertel 3349: }
1.34 albertel 3350:
3351: sub start_startouttext {
1.159 albertel 3352: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3353: my @result=(''.'');
3354: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3355:
3356: my $nesting =
3357: &Apache::lonxml::set_state('outtext',
3358: &Apache::lonxml::get_state('outtext')+1);
3359: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3360: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3361: }
1.159 albertel 3362: return (@result);
1.34 albertel 3363: }
1.159 albertel 3364:
1.34 albertel 3365: sub end_startouttext {
1.326 albertel 3366: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3367: my $result='';
3368: my $text='';
3369: if ($target eq 'edit') {
1.424 foxr 3370: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3371: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3372: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3373: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3374: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3375: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3376: .'</span></td>'
1.550 raeburn 3377: .'<td><span id="math_'.$areaid.'">';
1.579 raeburn 3378: if (&Apache::loncommon::nocodemirror()) {
1.550 raeburn 3379: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3380: } else {
3381: $result.=' ';
3382: }
3383: $result.='</span></td>'
1.474 raeburn 3384: .'<td>'
3385: .&Apache::edit::insertlist($target,$token)
3386: .'</td>'
1.515 golterma 3387: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3388: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3389: &Apache::edit::end_row().
1.362 albertel 3390: &Apache::edit::start_spanning_row()."\n".
1.255 www 3391: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3392: }
3393: if ($target eq 'modified') {
1.219 albertel 3394: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3395: }
3396: if ($target eq 'tex') {
3397: $result .= '\noindent ';
3398: }
3399: return $result;
1.34 albertel 3400: }
1.159 albertel 3401:
1.34 albertel 3402: sub start_endouttext {
1.159 albertel 3403: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3404: my $result='';
3405: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3406: if ($target eq "modified") {
3407: $result='<endouttext />'.
1.377 albertel 3408: &Apache::edit::handle_insertafter('startouttext');
3409: }
1.404 albertel 3410:
3411: my $nesting =
3412: &Apache::lonxml::set_state('outtext',
3413: &Apache::lonxml::get_state('outtext')-1);
3414: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3415: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3416: &Apache::lonxml::set_state('outtext', 0);
3417: }
1.159 albertel 3418: return $result;
1.34 albertel 3419: }
1.159 albertel 3420:
1.34 albertel 3421: sub end_endouttext {
1.159 albertel 3422: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3423: my @result=('','');
3424: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3425: return (@result);
1.34 albertel 3426: }
1.159 albertel 3427:
1.45 albertel 3428: sub delete_startouttext {
1.326 albertel 3429: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3430: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3431: my $text=$$parser['-1']->get_text("/endouttext");
3432: my $ntoken=$$parser['-1']->get_token();
3433: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3434: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3435: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3436: # they did the last time round
3437: &Apache::lonxml::increasedepth($ntoken);
3438: &Apache::lonxml::decreasedepth($ntoken);
3439: return 1;
1.193 www 3440: }
3441:
3442: sub start_simpleeditbutton {
3443: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3444: my $result='';
1.284 albertel 3445: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3446: ($target eq 'web') &&
1.330 albertel 3447: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3448: my $url=$env{'request.noversionuri'};
1.193 www 3449: $url=~s/\?.*$//;
1.367 albertel 3450: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3451: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3452: # $result='<p class="LC_warning">'
3453: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3454: # .&Apache::loncommon::help_open_topic('Caching')
3455: # .'</p>';
1.486 www 3456: $result.=&Apache::loncommon::head_subbox(
3457: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3458: .&Apache::lonhtmlcommon::add_item_funclist(
3459: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3460: .&mt('Edit').'</a>')
1.486 www 3461: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3462:
1.193 www 3463: }
3464: return $result;
3465: }
3466:
3467: sub end_simpleeditbutton {
3468: return '';
1.45 albertel 3469: }
1.34 albertel 3470:
1.428 raeburn 3471: sub practice_problem_header {
1.556 raeburn 3472: return '<h3 class="LC_info">'.&mt('Practice Problem').'</h3>'.
1.428 raeburn 3473: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3474: '</span>';
3475: }
3476:
1.479 raeburn 3477: sub randomizetry_problem_header {
1.566 raeburn 3478: my ($problemstatus,$reqtries,$symb) = @_;
1.479 raeburn 3479: my ($header,$text);
3480: if ($reqtries > 1) {
3481: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3482: if (($problemstatus eq 'no') ||
3483: ($problemstatus eq 'no_feedback_ever')) {
3484: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3485: } else {
3486: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3487: }
3488: } else {
3489: $header = &mt('New Problem Variation Each Try');
3490: if (($problemstatus eq 'no') ||
3491: ($problemstatus eq 'no_feedback_ever')) {
3492: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3493:
3494: } else {
3495: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3496: }
3497: }
1.566 raeburn 3498: if (($env{'request.state'} eq "construct") || ($symb eq '')) {
3499: return '<div class="LC_info" id="LC_randomizetry_header" style="display:none">'.
3500: '<h3>'.$header.'</h3><span class="LC_info">'.$text.'</span><hr /></div>';
3501: } else {
3502: return '<h3 class="LC_info">'.$header.'</h3>'.
3503: '<span class="LC_info">'.$text.'</span><hr />';
3504: }
1.479 raeburn 3505: }
3506:
3507: sub randomizetry_part_header {
3508: my ($problemstatus,$reqtries,$num) = @_;
3509: my ($header,$text);
3510: if ($reqtries eq 'none') {
3511: $header = &mt('No Question Variation');
1.570 raeburn 3512: $text = &mt('For this question there will be no new variation after a try.');
1.479 raeburn 3513: } elsif ($reqtries > 1) {
3514: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3515: if (($problemstatus eq 'no') ||
3516: ($problemstatus eq 'no_feedback_ever')) {
3517: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3518: } else {
3519: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3520: }
3521: } else {
3522: $header = &mt('New Question Variation For Each Try');
3523: if (($problemstatus eq 'no') ||
3524: ($problemstatus eq 'no_feedback_ever')) {
3525: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3526: } else {
3527: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3528: }
3529: }
3530: my $output;
3531: if ($num > 1) {
3532: $output .= '<hr />';
3533: }
1.556 raeburn 3534: $output .= '<h4 class="LC_info">'.$header.'</h4>'.
1.479 raeburn 3535: '<span class="LC_info">'.$text.'</span><br /><br />';
3536: return $output;
3537: }
3538:
1.1 albertel 3539: 1;
3540: __END__
1.435 jms 3541:
3542: =pod
3543:
3544: =back
3545:
3546: =cut
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