Annotation of loncom/homework/structuretags.pm, revision 1.576
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.576 ! raeburn 4: # $Id: structuretags.pm,v 1.575 2023/06/02 01:20:27 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().
1.416 raeburn 300: &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:
1.416 raeburn 412: sub setmode_javascript {
413: return <<"ENDSCRIPT";
414: <script type="text/javascript">
1.485 raeburn 415: // <![CDATA[
1.416 raeburn 416: function setmode(form,probmode) {
1.554 damieng 417: var initial = form.problemmode.value;
1.416 raeburn 418: form.problemmode.value = probmode;
419: form.submit();
1.554 damieng 420: form.problemmode.value = initial;
1.416 raeburn 421: }
1.485 raeburn 422: // ]]>
1.416 raeburn 423: </script>
424: ENDSCRIPT
425: }
426:
1.48 albertel 427: sub page_start {
1.345 albertel 428: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
429: $extra_head)=@_;
1.159 albertel 430: my %found;
1.207 albertel 431: foreach my $taginside (@$tagstack) {
1.159 albertel 432: foreach my $taglookedfor ('html','body','form') {
433: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
434: }
435: }
436:
1.343 albertel 437: if ($target eq 'tex') {
438: return
439: &Apache::londefdef::start_html($target,$token,$tagstack,
440: $parstack,$parser,$safeeval);
441: }
442:
1.474 raeburn 443: $extra_head .= &homework_js().
444: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
445: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1.550 raeburn 446: my %textarea_args;
447: if (($env{'request.state'} ne 'construct') ||
448: ($env{'environment.nocodemirror'})) {
449: %textarea_args = (
1.474 raeburn 450: dragmath => 'math',
451: );
1.550 raeburn 452: }
1.474 raeburn 453: $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
1.425 raeburn 454: }
1.478 raeburn 455: my $is_task = ($env{'request.uri'} =~ /\.task$/);
1.528 raeburn 456: my ($needs_upload,$partlist);
1.495 raeburn 457: my ($symb)= &Apache::lonnet::whichuser();
458: my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
1.478 raeburn 459: if ($is_task) {
1.495 raeburn 460: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
1.493 raeburn 461: } else {
462: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.uploadedfiletypes") ne '') {
1.495 raeburn 463: unless ($env{'request.state'} eq 'construct') {
464: my $navmap = Apache::lonnavmaps::navmap->new();
465: if (ref($navmap)) {
466: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 467: my $is_page;
468: if (ref($mapres)) {
469: $is_page = $mapres->is_page();
470: }
471: unless ($is_page) {
1.495 raeburn 472: $needs_upload = 1;
473: }
1.528 raeburn 474: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
475: my $res = $navmap->getBySymb($symb);
476: if (ref($res)) {
477: $partlist = $res->parts();
478: }
479: }
1.495 raeburn 480: }
481: }
1.493 raeburn 482: } else {
483: unless ($env{'request.state'} eq 'construct') {
484: my $navmap = Apache::lonnavmaps::navmap->new();
485: if (ref($navmap)) {
1.495 raeburn 486: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 487: my $is_page;
488: if (ref($mapres)) {
489: $is_page = $mapres->is_page();
490: }
1.528 raeburn 491: if ($is_page) {
492: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
493: my $res = $navmap->getBySymb($symb);
494: if (ref($res)) {
495: $partlist = $res->parts();
496: }
497: }
498: } else {
1.495 raeburn 499: my $res = $navmap->getBySymb($symb);
500: if (ref($res)) {
1.528 raeburn 501: $partlist = $res->parts();
1.495 raeburn 502: if (ref($partlist) eq 'ARRAY') {
503: foreach my $part (@{$partlist}) {
504: my @types = $res->responseType($part);
505: my @ids = $res->responseIds($part);
506: for (my $i=0; $i < scalar(@ids); $i++) {
507: if ($types[$i] eq 'essay') {
508: my $partid = $part.'_'.$ids[$i];
509: if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
510: $needs_upload = 1;
511: last;
512: }
1.493 raeburn 513: }
514: }
515: }
1.495 raeburn 516: }
517: }
1.493 raeburn 518: }
519: }
520: }
521: }
1.495 raeburn 522: if ($needs_upload) {
1.538 musolffc 523: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js()
524: .'<script type="text/javascript"
525: src="/res/adm/includes/file_upload.js"></script>';
1.495 raeburn 526: }
1.478 raeburn 527: }
1.425 raeburn 528:
1.344 albertel 529: my %body_args;
530: if (defined($found{'html'})) {
531: $body_args{'skip_phases'}{'head'}=1;
532: } else {
1.343 albertel 533:
1.345 albertel 534: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 535:
1.379 albertel 536: $extra_head .= &Apache::londefdef::generate_css_links();
537:
1.384 albertel 538: if ($env{'request.state'} eq 'construct') {
1.343 albertel 539: $extra_head.=&Apache::edit::js_change_detection().
540: "<script type=\"text/javascript\">\n".
541: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
542: &Apache::loncommon::browser_and_searcher_javascript().
543: "\n</script>\n";
1.525 raeburn 544: if ($target eq 'edit') {
545: $extra_head .= &Apache::edit::js_update_linknum();
546: }
1.343 albertel 547: }
1.159 albertel 548: }
1.343 albertel 549:
1.446 bisitz 550: my $pageheader = '';
1.344 albertel 551: if (defined($found{'body'})) {
552: $body_args{'skip_phases'}{'body'}=1;
553: } elsif (!defined($found{'body'})
554: && $env{'request.state'} eq 'construct') {
1.343 albertel 555: if ($target eq 'web' || $target eq 'edit') {
1.542 raeburn 556: unless ($env{'form.inhibitmenu'} eq 'yes') {
557: # Breadcrumbs for Authoring Space
558: &Apache::lonhtmlcommon::clear_breadcrumbs();
559: &Apache::lonhtmlcommon::add_breadcrumb({
560: 'text' => 'Authoring Space',
561: 'href' => &Apache::loncommon::authorspace($env{'request.uri'}),
562: });
563: # breadcrumbs (and tools) will be created
564: # in start_page->bodytag->innerregister
1.460 droeschl 565:
1.450 bisitz 566: # FIXME Where are we?
1.542 raeburn 567: # &Apache::lonhtmlcommon::add_breadcrumb({
568: # 'text' => 'Problem Editing', # 'Problem Testing'
569: # 'href' => '',
570: # });
571: $pageheader = &Apache::loncommon::head_subbox(
572: &Apache::loncommon::CSTR_pageheader());
573: }
574: }
1.272 albertel 575: } elsif (!defined($found{'body'})) {
1.343 albertel 576: my %add_entries;
1.159 albertel 577: my $background=&Apache::lonxml::get_param('background',$parstack,
578: $safeeval);
1.343 albertel 579: if ($background ne '' ) {
580: $add_entries{'background'} = $background;
581: }
1.344 albertel 582:
1.290 albertel 583: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
584: $safeeval);
1.446 bisitz 585: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
1.344 albertel 586:
1.446 bisitz 587: $body_args{'bgcolor'} = $bgcolor;
588: # $body_args{'no_title'} = 1;
589: $body_args{'force_register'} = 1;
590: $body_args{'add_entries'} = \%add_entries;
1.466 droeschl 591: if ( $env{'request.state'} eq 'construct') {
1.446 bisitz 592: $body_args{'only_body'} = 1;
1.518 raeburn 593: } elsif ($target eq 'web') {
594: $body_args{'print_suppress'} = 1;
1.446 bisitz 595: }
1.344 albertel 596: }
1.365 albertel 597: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 598: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
599: \%body_args);
1.446 bisitz 600: $page_start .= $pageheader;
1.462 raeburn 601: if (!defined($found{'body'})
602: && $env{'request.state'} ne 'construct'
603: && ($target eq 'web' || $target eq 'webgrade')) {
604:
605: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
606: if ($symb eq '' && !$publicuser) {
607: $page_start .= '<p class="LC_info">'
608: .&mt('Browsing resource, all submissions are temporary.')
609: .'</p>';
1.457 bisitz 610: }
1.344 albertel 611: }
612:
1.409 albertel 613: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 614: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 615: }
616: my $form_tag_start;
617: if (!defined($found{'form'})) {
1.337 albertel 618: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.465 raeburn 619: my $uri = &Apache::loncommon::inhibit_menu_check(
1.455 droeschl 620: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.464 raeburn 621: $uri = &HTML::Entities::encode($uri,'<>&"');
1.327 albertel 622: $form_tag_start.=$uri.'" ';
623: if ($target eq 'edit') {
624: $form_tag_start.=&Apache::edit::form_change_detection();
625: }
1.493 raeburn 626: my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
627: my ($path,$multiresp) =
628: &Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom);
1.574 raeburn 629: if ($env{'request.user_in_effect'}) {
630: $form_tag_start .= ' onsubmit="preventDefault();"';
631: } elsif (($is_task) || ($needs_upload)) {
1.495 raeburn 632: $form_tag_start .= ' onsubmit="return file_submission_check(this,'."'$path','$multiresp'".');"';
1.478 raeburn 633: }
1.368 albertel 634: $form_tag_start.='>'."\n";
1.355 albertel 635:
636: if ($symb =~ /\S/) {
637: $symb=
638: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
639: $form_tag_start.=
1.368 albertel 640: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 641: }
1.159 albertel 642: }
1.528 raeburn 643: return ($page_start,$form_tag_start,$partlist);
1.105 albertel 644: }
645:
1.141 matthew 646: #use Time::HiRes();
1.105 albertel 647: sub get_resource_name {
1.159 albertel 648: my ($parstack,$safeeval)=@_;
1.388 foxr 649: my $name;
1.204 albertel 650: if (defined($Apache::lonhomework::name)) {
1.388 foxr 651: $name = $Apache::lonhomework::name;
652: } else {
653: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 654: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 655: if ($name eq '') {
656: $name=&Apache::lonnet::EXT('resource.title');
657: if ($name eq 'con_lost') { $name = ''; }
658: }
659: if ($name!~/\S+/) {
660: $name=$env{'request.uri'};
661: $name=~s-.*/([^/]+)$-$1-;
662: }
663: # The name has had html tags escaped:
664:
665: $name=~s/</</gs;
666: $name=~s/>/>/gs;
667:
668: $Apache::lonhomework::name=$name;
1.204 albertel 669: }
1.159 albertel 670: return $name;
1.105 albertel 671: }
672:
673: sub setup_rndseed {
1.570 raeburn 674: my ($safeeval,$target,$probpartlist,$prevparttype)=@_;
1.367 albertel 675: my ($symb)=&Apache::lonnet::whichuser();
1.564 raeburn 676: my ($questiontype,$set_safespace,$rndseed,$numtries,$reqtries);
1.479 raeburn 677: if ($target eq 'analyze') {
678: $questiontype = $env{'form.grade_questiontype'};
679: }
680: unless (defined($questiontype)) {
681: $questiontype = $Apache::lonhomework::type;
682: }
1.564 raeburn 683: if ($Apache::lonhomework::type eq 'randomizetry') {
684: my $partfortries = $Apache::inputtags::part;
1.568 raeburn 685: #
686: # Where question type is "randomizetry" for a problem containing
687: # a single part (and unless type is explicitly set to not be
688: # "randomizetry" for that part), the number of tries used to
689: # determine randomization will be for that part, and randomization
690: # from calls to &random() in a perl script block before the part tag,
691: # will change based on the number of tries, and value of the
692: # "randomizeontries" parameter in effect for the single part.
693: #
1.564 raeburn 694: if (ref($probpartlist) eq 'ARRAY') {
1.568 raeburn 695: if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $partfortries)) {
696: if (&Apache::lonnet::EXT('resource.'.$probpartlist->[0].'.type') eq 'randomizetry') {
1.566 raeburn 697: $partfortries = $probpartlist->[0];
698: } else {
699: $partfortries = '';
700: }
1.564 raeburn 701: }
702: }
1.566 raeburn 703: if ($partfortries ne '') {
704: $numtries = $Apache::lonhomework::history{"resource.$partfortries.tries"};
705: $reqtries = &Apache::lonnet::EXT("resource.$partfortries.randomizeontries");
706: }
1.564 raeburn 707: }
1.555 raeburn 708: if (($env{'request.state'} eq "construct")
709: || ($symb eq '')
710: || ($Apache::lonhomework::type eq 'practice')
711: || ($Apache::lonhomework::history{'resource.CODE'})
712: || (($env{'form.code_for_randomlist'}) && ($target eq 'analyze'))) {
1.316 www 713: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 714: ['rndseed']);
1.284 albertel 715: $rndseed=$env{'form.rndseed'};
1.159 albertel 716: if (!$rndseed) {
1.162 albertel 717: $rndseed=$Apache::lonhomework::history{'rndseed'};
718: if (!$rndseed) {
719: $rndseed=time;
720: }
1.555 raeburn 721: unless ($env{'form.code_for_randomlist'}) {
722: $env{'form.rndseed'}=$rndseed;
723: }
1.162 albertel 724: }
1.576 ! raeburn 725: if ((($env{'request.state'} eq "construct") || ($symb eq '')) &&
1.479 raeburn 726: ($Apache::lonhomework::type eq 'randomizetry')) {
1.564 raeburn 727: if ($numtries) {
728: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
729: my $inc = int($numtries/$reqtries);
730: $rndseed += $inc;
731: } else {
732: $rndseed += $numtries;
733: }
1.479 raeburn 734: }
1.480 raeburn 735: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.479 raeburn 736: }
1.551 damieng 737: if ( ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 738: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 739: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 740: srand(time);
741: $rndseed=int(rand(2100000000));
1.284 albertel 742: $env{'form.rndseed'}=$rndseed;
743: delete($env{'form.resetdata'});
744: delete($env{'form.newrandomization'});
1.159 albertel 745: }
1.488 www 746: $rndseed=~s/\,/\:/g;
747: $rndseed=~s/[^\w\d\:\-]//g;
1.489 www 748: if (defined($rndseed)) {
749: my ($c1,$c2)=split(/\:/,$rndseed);
750: unless ($c2) { $c2=0; }
751: unless (($c1==int($c1)) && ($c2==int($c2))) {
752: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
753: }
1.187 albertel 754: }
1.555 raeburn 755: if (($env{'form.code_for_randomlist'}) && ($target eq 'analyze')) {
756: $env{'form.CODE'} = $env{'form.code_for_randomlist'};
757: $rndseed=&Apache::lonnet::rndseed();
758: undef($env{'form.CODE'});
759: } elsif ($Apache::lonhomework::history{'resource.CODE'}) {
1.247 albertel 760: $rndseed=&Apache::lonnet::rndseed();
761: }
1.479 raeburn 762: $set_safespace = 1;
763: } elsif ($questiontype eq 'randomizetry') {
764: if ($target eq 'analyze') {
765: if (defined($env{'form.grade_rndseed'})) {
766: $rndseed = $env{'form.grade_rndseed'};
767: }
768: }
769: unless (($target eq 'analyze') && (defined($rndseed))) {
770: $rndseed=&Apache::lonnet::rndseed();
1.564 raeburn 771: my $curr_try = $numtries;
1.479 raeburn 772: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
773: $curr_try ++;
774: }
775: if ($rndseed =~/^(\d+)[,:](\d+)$/) {
776: $rndseed = $1;
777: }
778: if ($curr_try) {
779: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
780: my $inc = int(($curr_try-1)/$reqtries);
781: $rndseed += $inc;
782: } else {
783: $rndseed += $curr_try;
784: }
785: }
786: }
787: $set_safespace = 1;
1.528 raeburn 788: if ($target eq 'grade') {
789: $Apache::lonhomework::rawrndseed = $rndseed;
790: }
1.570 raeburn 791: } elsif ($prevparttype eq 'randomizetry') {
792: if ($env{'form.0.rndseed'} ne '') {
793: $set_safespace = 1;
794: $rndseed = $env{'form.0.rndseed'};
795: }
1.479 raeburn 796: }
797: if ($set_safespace) {
798: if ($safeeval) {
799: &Apache::lonxml::debug("Setting rndseed to $rndseed");
800: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.569 raeburn 801: if (($Apache::lonhomework::type eq 'randomizetry') || ($prevparttype eq 'randomizetry')) {
802: &Apache::lonxml::debug("Setting randomizetrypart to $Apache::inputtags::part");
803: &Apache::run::run('$external::randomizetrypart="'.$Apache::inputtags::part.'";',$safeeval);
804: }
1.479 raeburn 805: }
806: }
807: unless (($env{'request.state'} eq "construct") || ($symb eq '')) {
808: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.159 albertel 809: }
810: return $rndseed;
1.105 albertel 811: }
812:
1.268 albertel 813: sub remember_problem_state {
814: return '
1.284 albertel 815: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
816: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
817: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 818: }
819:
1.487 www 820: sub problem_edit_action_button {
821: my ($name,$action,$accesskey,$text,$flag)=@_;
822: my $actionscript="setmode(this.form,'$action')";
823: return "\n<input type='button' name='$name' accesskey='$accesskey' value='".&mt($text)."'".
824: ($flag?&Apache::edit::submit_ask_anyway($actionscript):&Apache::edit::submit_dont_ask($actionscript))." />";
825: }
826:
1.423 www 827: sub problem_edit_buttons {
1.487 www 828: my ($mode)=@_;
1.535 droeschl 829: # Buttons that save
830: my $result = '<div style="float:right">';
831: if ($mode eq 'editxml') {
832: $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
833: $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
834: } else {
835: $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
836: $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
837: }
838: $result.="\n</div>\n";
1.487 www 839: # Buttons that do not save
1.535 droeschl 840: $result .= '<div>'.
1.487 www 841: &problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
842: if ($mode eq 'editxml') {
843: $result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
844: $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
1.550 raeburn 845: if ($env{'environment.nocodemirror'}) {
846: $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
847: }
1.487 www 848: } else {
849: $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
850: $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
851: }
852: $result.="\n</div>";
853: return $result;
1.423 www 854: }
855:
856: sub problem_edit_header {
1.527 golterma 857: my ($mode)=@_;
858: my $return = '<input type="hidden" name="submitted" value="edit" />'.
1.487 www 859: &remember_problem_state('edit').'
1.527 golterma 860: <div class="LC_edit_problem_header">
861: <div class="LC_edit_problem_header_title">
862: '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
863: </div><div class="LC_edit_actionbar" id="actionbar">'.
864: '<input type="hidden" name="problemmode" value="saveedit" />'.
865: &problem_edit_buttons();
866:
1.535 droeschl 867: $return .= '</div></div>' . &Apache::lonxml::message_location();
1.527 golterma 868: $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />
869: <script type="text/javascript" src="/adm/codemirror/codemirror-compressed-colorful.js"></script>';
870:
871: $return .= '<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
872: <script type="text/javascript">
873: // unless internet explorer
874: if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode || document.compatMode))){
875: $(document).ready(
876: function() {
877: $(\'.LC_edit_actionbar\').scrollToFixed(
878: {
879: fixed: function(){
1.535 droeschl 880: //$(this).find(\'.LC_edit_actionbar\').css(\'height\', \'31px\');
881: $(this).find(\'.LC_edit_actionbar\');
1.527 golterma 882: }
883: }
884: );
885: }
886: );
887: }
888: </script>
889: <table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
890: return $return;
1.105 albertel 891: }
892:
893: sub problem_edit_footer {
1.527 golterma 894: my $resource = $env{'request.ambiguous'};
1.412 albertel 895: return '</td></tr></table><br />
896: <div class="LC_edit_problem_footer">
1.453 bisitz 897: <hr />'.
1.423 www 898: &problem_edit_buttons().'
1.459 bisitz 899: <hr style="clear:both;" />
1.527 golterma 900: <script type="text/javascript">
901: restoreState("'.$resource.'");
902: restoreScrollPosition("'.$resource.'");
903: </script>
1.412 albertel 904: </div>
905: '.
1.342 albertel 906: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 907: }
908:
1.235 albertel 909: sub option {
910: my ($value,$name) = @_;
911: my $result ="<option value='".$value."' ";
1.284 albertel 912: if ($env{'form.'.$name} eq $value) {
1.235 albertel 913: $result.=" selected='on' ";
914: }
915: $result.='>';
916: return $result;
917: }
918:
1.105 albertel 919: sub problem_web_to_edit_header {
1.159 albertel 920: my ($rndseed)=@_;
1.406 albertel 921: my $result .= '<div class="LC_edit_problem_header">';
922:
923: if (!$Apache::lonhomework::parsing_a_task) {
924: $result .=
925: '<div class="LC_edit_problem_header_title">'.
926: &mt('Problem Testing').
927: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
928: '</div>';
929: } else {
930: $result .=
931: '<div class="LC_edit_problem_header_title">'.
932: &mt('Task Testing').
933: '</div>';
934: }
935:
1.315 albertel 936: my $show_all_foils_text =
937: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 938: &mt('Show All Instances')
939: : &mt('Show All Foils');
1.315 albertel 940:
1.452 bisitz 941: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
942: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 943: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 944: $show_all.= ' /> '.$show_all_foils_text
945: .'</label></span>';
1.406 albertel 946:
947:
1.384 albertel 948:
1.406 albertel 949: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 950: if (!$Apache::lonhomework::parsing_a_task) {
951: $result.="
1.406 albertel 952: <div class='LC_edit_problem_header_row1'>
953: <span class=\"LC_nobreak\">
1.405 albertel 954: ".&mt("Problem Status:")."
1.235 albertel 955: <select name='problemstate'>
1.270 albertel 956: <option value=''></option>
1.235 albertel 957: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
958: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
959: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
960: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
961: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
962: </select>
1.406 albertel 963: </span>
964: <span class=\"LC_nobreak\">
1.405 albertel 965: ".&mt("Problem Type:")."
1.235 albertel 966: <select name='problemtype'>
1.270 albertel 967: <option value=''></option>
1.509 bisitz 968: ".&option('exam' ,'problemtype').&mt("Bubblesheet Exam Problem")."</option>
1.428 raeburn 969: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 970: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 971: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
972: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
973: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 974: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.479 raeburn 975: ".&option('randomizetry' ,'problemtype').&mt("New Randomization Each Try")."</option>
1.235 albertel 976: </select>
1.406 albertel 977: </span>
978: $show_all
979: </div>
980: <div class='LC_edit_problem_header_row2'>
981: <span class=\"LC_nobreak\">
1.405 albertel 982: ".&mt("Feedback Mode:")."
1.235 albertel 983: <select name='problemstatus'>
984: <option value=''></option>
1.242 albertel 985: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.517 bisitz 986: ".&option('no', 'problemstatus').&mt("Don't Show Incorrect/Correct Feedback")."</option>
1.405 albertel 987: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 988: </select>
1.406 albertel 989: </span>
990: ";
991:
1.376 albertel 992: } elsif ($Apache::lonhomework::parsing_a_task) {
993: $result.="
1.406 albertel 994: <div class='LC_edit_problem_header_row1'>
995: <span class=\"LC_nobreak\">
1.405 albertel 996: ".&mt("Problem Status:")."
1.376 albertel 997: <select name='problemstate'>
998: <option value=''></option>
999: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
1000: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
1001: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
1002: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
1003: </select>
1.406 albertel 1004: </span>
1005: $show_all
1006: ";
1007: }
1008: $result.='
1009: <span class="LC_nobreak">
1010: '.&mt('Apply style file: ').'
1011: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
1012: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
1013: </span>
1.422 www 1014: </div>
1015: <div class="LC_edit_problem_header_row1">'.
1016: &Apache::lonxml::renderingoptions().'
1.406 albertel 1017: </div>
1018: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
1019: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
1.551 damieng 1020: <button type="submit" name="resetdata" accesskey="r" value="reset_submissions">
1021: '.&mt('Reset Submissions').'</button>
1.406 albertel 1022: </div>
1.453 bisitz 1023: <hr />
1.406 albertel 1024: <div class="LC_edit_problem_header_randomize_row">
1025: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
1026: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 1027: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 1028: $rndseed.'"
1029: onchange="javascript:document.lonhomework.changerandseed.click()" />';
1030:
1031: if (!$Apache::lonhomework::parsing_a_task) {
1032: my $numtoanalyze=$env{'form.numtoanalyze'};
1033: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 1034: $result .= '<span class="LC_nobreak">'.
1035: &mt('[_1] for [_2] versions.',
1.416 raeburn 1036: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 1037: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
1038: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 1039: $numtoanalyze.'" size="5" />').
1040: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
1041: '</span>';
1042:
1.313 albertel 1043: }
1.406 albertel 1044:
1045: $result.='
1046: </div>
1.453 bisitz 1047: <hr />
1.447 bisitz 1048: <div>';
1.416 raeburn 1049: $result.='<input type="hidden" name="problemmode" value="view" />';
1050: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
1051: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
1052: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
1053: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.541 damieng 1054: if ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9) {
1055: my $uri = $env{'request.uri'};
1.543 damieng 1056: my $daxeurl = '/daxepage'.$uri;
1.541 damieng 1057: $result .= '<input type="button" value="'.&mt('Edit with Daxe').'" '.
1058: 'onclick="window.open(\''.$daxeurl.'\',\'_blank\');" />';
1059: }
1.408 albertel 1060: $result.='
1061: </div>
1.453 bisitz 1062: <hr />
1.409 albertel 1063: '.&Apache::lonxml::message_location().'
1.406 albertel 1064: </div>';
1.159 albertel 1065: return $result;
1.48 albertel 1066: }
1067:
1.65 albertel 1068: sub initialize_storage {
1.357 albertel 1069: my ($given_symb) = @_;
1.353 albertel 1070: undef(%Apache::lonhomework::results);
1071: undef(%Apache::lonhomework::history);
1.357 albertel 1072: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1073: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 1074:
1075: # anonymous users (CODEd exams) have no data
1076: if ($name eq 'anonymous'
1077: && !defined($domain)) {
1078: return;
1079: }
1080:
1.333 albertel 1081: if ($env{'request.state'} eq 'construct'
1082: || $symb eq ''
1083: || $Apache::lonhomework::type eq 'practice') {
1084:
1085: my $namespace = $symb || $env{'request.uri'};
1.551 damieng 1086: if ($env{'form.resetdata'} eq 'reset_submissions' ||
1087: ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 1088: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 1089: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1090: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
1091: &Apache::lonxml::debug("Attempt reset");
1092: }
1.159 albertel 1093: %Apache::lonhomework::history=
1.333 albertel 1094: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.576 ! raeburn 1095: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1096: &Apache::lonxml::debug("Return message of $temp");
1097: } else {
1098: %Apache::lonhomework::history=
1099: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1100: }
1.353 albertel 1101:
1.159 albertel 1102: #ignore error conditions
1.526 raeburn 1103: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1104: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 1105: }
1106:
1.435 jms 1107: =pod
1108:
1109: =item finalize_storage()
1110:
1.524 raeburn 1111: Stores away the result hash to a student's environment;
1.523 raeburn 1112: checks form.grade_ for specific values, otherwise stores
1113: to the running user's environment.
1.524 raeburn 1114:
1115: &check_correctness_changes() is called in two circumstances
1116: in which the results hash is to be stored permanently, for
1117: grading triggered by a student's submission, where feedback on
1.576 ! raeburn 1118: correctness is to be provided to the student.
1.524 raeburn 1119:
1120: 1. Immediately prior to storing the results hash
1121:
1.576 ! raeburn 1122: To handle the case where a student's submission (and award) were
1.524 raeburn 1123: stored after history was retrieved in &initialize_storage(), e.g.,
1.576 ! raeburn 1124: if a student submitted answers in quick succession (e.g., from
1.524 raeburn 1125: multiple tabs). &Apache::inputtags::hidealldata() is called for
1126: any parts with out-of-order storage (i.e., correct then incorrect,
1127: where awarded >= 1 when correct).
1128:
1129: 2. Immediately after storing the results hash
1130:
1131: To handle the case where lond on the student's homeserver returns
1132: delay:N -- where N is the number of transactions between the last
1133: retrieved in &initialize_storage() and the last stored immediately
1.576 ! raeburn 1134: before permanent storage of the current transaction via
! 1135: lond::store_handler(). &Apache::grades::makehidden() is called
1.524 raeburn 1136: for any parts with out-of-order storage (i.e., correct then incorrect,
1137: where awarded >= 1 when correct).
1138:
1.576 ! raeburn 1139: Will call &store_aggregates() to increment totals for attempts,
1.524 raeburn 1140: students, and corrects, if running user has student role.
1141:
1.435 jms 1142: =cut
1143:
1144:
1.65 albertel 1145: sub finalize_storage {
1.357 albertel 1146: my ($given_symb) = @_;
1.159 albertel 1147: my $result;
1.289 albertel 1148: if (%Apache::lonhomework::results) {
1.323 albertel 1149: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
1150: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 1151: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1152: &Apache::lonnet::whichuser($given_symb);
1.575 raeburn 1153: my ($passback,$pbscope,$pbmap,$pbsymb,$pbtype,$crsdef,$ltinum,
1154: $ltiref,$total,$possible,$dopassback);
1.333 albertel 1155: if ($env{'request.state'} eq 'construct'
1156: || $symb eq ''
1157: || $Apache::lonhomework::type eq 'practice') {
1158: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 1159: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 1160: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 1161: $namespace,'',$domain,$name);
1.159 albertel 1162: &Apache::lonxml::debug('Construct Store return message:'.$result);
1163: } else {
1.560 raeburn 1164: my ($laststore,$checkedparts,@parts,%postcorrect,%record);
1.524 raeburn 1165: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1166: (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
1167: (!defined($env{'form.grade_courseid'}))) {
1.575 raeburn 1168: if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) {
1.560 raeburn 1169: my ($map)=&Apache::lonnet::decode_symb($symb);
1170: $map = &Apache::lonnet::clutter($map);
1.575 raeburn 1171: if ($env{'request.lti.login'}) {
1.576 ! raeburn 1172: ($passback,$pbscope,$pbmap,$pbsymb,$ltinum,$ltiref) =
1.575 raeburn 1173: &needs_lti_passback($courseid,$symb,$map);
1174: } elsif ($env{'request.deeplink.login'}) {
1175: ($passback,$pbscope,$pbmap,$pbsymb,$crsdef,$ltinum,$ltiref) =
1176: &needs_linkprot_passback($courseid,$symb,$map);
1177: }
1.560 raeburn 1178: }
1.524 raeburn 1179: if ($Apache::lonhomework::history{'version'}) {
1180: $laststore = $Apache::lonhomework::history{'version'}.'='.
1181: $Apache::lonhomework::history{'timestamp'};
1182: } else {
1183: $laststore = '0=0';
1184: }
1.560 raeburn 1185: %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1.524 raeburn 1186: if ($record{'version'}) {
1187: my ($newversion,$oldversion,$oldtimestamp);
1188: if ($Apache::lonhomework::history{'version'}) {
1189: $oldversion = $Apache::lonhomework::history{'version'};
1190: $oldtimestamp = $Apache::lonhomework::history{'timestamp'};
1191: } else {
1192: $oldversion = 0;
1193: $oldtimestamp = 0;
1194: }
1195: if ($record{'version'} > $oldversion) {
1196: if ($record{'timestamp'} >= $oldtimestamp) {
1197: $laststore = $record{'version'}.'='.$record{'timestamp'};
1198: $newversion = $record{'version'} + 1;
1199: $checkedparts = 1;
1200: foreach my $key (keys(%Apache::lonhomework::results)) {
1201: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1202: my $part = $1;
1203: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1204: push(@parts,$part);
1205: }
1206: }
1207: }
1208: if (@parts) {
1209: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1210: \%record,\@parts,$newversion,
1211: $oldversion);
1212: if (@parts_to_hide) {
1213: foreach my $part (@parts_to_hide) {
1214: $postcorrect{$part} = 1;
1215: &Apache::inputtags::hidealldata($part);
1216: }
1217: }
1218: }
1219: }
1220: }
1221: }
1222: }
1.159 albertel 1223: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
1.524 raeburn 1224: $symb,$courseid,$domain,$name,$laststore);
1225: if ($result =~ /^delay\:(\d+)$/) {
1226: my $numtrans = $1;
1227: my ($oldversion) = split(/=/,$laststore);
1228: if ($numtrans) {
1229: my $newversion = $oldversion + 1 + $numtrans;
1230: my @possparts;
1231: if ($checkedparts) {
1232: foreach my $part (@parts) {
1233: unless ($postcorrect{$part}) {
1234: push(@possparts,$part);
1235: }
1236: }
1237: } else {
1238: foreach my $key (keys(%Apache::lonhomework::results)) {
1239: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1240: my $part = $1;
1241: unless ($postcorrect{$part}) {
1242: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1243: push(@possparts,$part);
1244: }
1245: }
1246: }
1247: }
1248: }
1249: if (@possparts) {
1250: my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1251: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1252: \%newrecord,\@possparts,$newversion,
1253: $oldversion);
1254: if (@parts_to_hide) {
1255: my $partslist = join(',',@parts_to_hide);
1256: &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1);
1257: }
1258: }
1259: }
1260: }
1.562 raeburn 1261: if ($passback) {
1262: foreach my $key (keys(%Apache::lonhomework::results)) {
1263: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1264: my $part = $1;
1265: if ((($Apache::lonhomework::results{$key} =~ /^correct_/) ||
1266: ($Apache::lonhomework::results{$key} eq 'incorrect_attempted')) &&
1267: ($Apache::lonhomework::results{"resource.$part.tries"})) {
1268: $dopassback = 1;
1269: last;
1270: }
1271: }
1272: }
1273: }
1.575 raeburn 1274: if (($dopassback) && ($pbscope eq 'resource') && ($pbsymb eq $symb)) {
1.560 raeburn 1275: $total = 0;
1276: $possible = 0;
1277: my $navmap = Apache::lonnavmaps::navmap->new();
1278: if (ref($navmap)) {
1279: my $res = $navmap->getBySymb($symb);
1280: if (ref($res)) {
1281: my $partlist = $res->parts();
1282: if (ref($partlist) eq 'ARRAY') {
1283: foreach my $part (@{$partlist}) {
1284: unless (exists($Apache::lonhomework::results{"resource.$part.solved"})) {
1285: next if ($Apache::lonhomework::record{"resource.$part.solved"} =~/^excused/);
1286: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1287: $possible += $weight;
1288: if (($record{'version'}) && (exists($record{"resource.$part.awarded"}))) {
1289: my $awarded = $record{"resource.$part.awarded"};
1290: if ($awarded) {
1291: $total += $weight * $awarded;
1292: }
1293: }
1294: }
1295: }
1296: }
1297: }
1298: }
1299: foreach my $key (keys(%Apache::lonhomework::results)) {
1300: if ($key =~ /^resource\.([^\.]+)\.awarded$/) {
1301: my $part = $1;
1302: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1303: $possible += $weight;
1304: my $awarded = $Apache::lonhomework::results{$key};
1305: if ($awarded) {
1306: $total += $weight * $awarded;
1307: }
1308: }
1309: }
1310: }
1.159 albertel 1311: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1312: &store_aggregates($symb,$courseid);
1.562 raeburn 1313: if ($dopassback) {
1.560 raeburn 1314: my $scoreformat = 'decimal';
1.575 raeburn 1315: if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) {
1316: if (ref($ltiref) eq 'HASH') {
1317: if ($ltiref->{'scoreformat'} =~ /^(decimal|ratio|percentage)$/) {
1318: $scoreformat = $1;
1319: }
1.560 raeburn 1320: }
1321: }
1.575 raeburn 1322: my ($pbid,$pburl,$pbtype);
1323: if ($env{'request.lti.login'}) {
1324: $pbid = $env{'request.lti.passbackid'};
1325: $pburl = $env{'request.lti.passbackurl'};
1326: $pbtype = 'lti';
1327: } elsif ($env{'request.deeplink.login'}) {
1328: $pbid = $env{'request.linkprotpbid'};
1329: $pburl = $env{'request.linkprotpburl'};
1330: $pbtype = 'linkprot';
1331: }
1.560 raeburn 1332: my $ltigrade = {
1.575 raeburn 1333: 'ltinum' => $ltinum,
1.560 raeburn 1334: 'lti' => $ltiref,
1.575 raeburn 1335: 'crsdef' => $crsdef,
1.560 raeburn 1336: 'cid' => $courseid,
1337: 'uname' => $env{'user.name'},
1338: 'udom' => $env{'user.domain'},
1.575 raeburn 1339: 'pbid' => $pbid,
1340: 'pburl' => $pburl,
1341: 'pbtype' => $pbtype,
1342: 'scope' => $pbscope,
1343: 'pbmap' => $pbmap,
1344: 'pbsymb' => $pbsymb,
1.560 raeburn 1345: 'format' => $scoreformat,
1346: };
1.575 raeburn 1347: if ($pbscope eq 'resource') {
1.560 raeburn 1348: $ltigrade->{'total'} = $total;
1349: $ltigrade->{'possible'} = $possible;
1350: }
1351: push(@Apache::lonhomework::ltipassback,$ltigrade);
1352: }
1.159 albertel 1353: }
1.323 albertel 1354: } else {
1355: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1356: }
1.159 albertel 1357: return $result;
1.65 albertel 1358: }
1359:
1.560 raeburn 1360: sub needs_lti_passback {
1361: my ($courseid,$symb,$map) = @_;
1362: if (($env{'request.lti.passbackid'}) && ($env{'request.lti.passbackurl'})) {
1363: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1364: my ($cdom,$cnum) = ($1,$2);
1365: my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider');
1366: if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') {
1367: if ($lti{$env{'request.lti.login'}}{'passback'}) {
1.575 raeburn 1368: my $itemnum = $env{'request.lti.login'};
1.560 raeburn 1369: my ($ltiscope,$ltiuri,$ltisymb) =
1370: &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
1371: $cdom,$cnum,1);
1372: my ($passback,$ltimap);
1373: if ($ltiscope eq 'resource') {
1374: if ($ltisymb eq $symb) {
1375: $passback = 1;
1376: }
1377: } elsif ($ltiscope eq 'map') {
1378: if ($ltiuri eq $map) {
1379: $passback = 1;
1380: $ltimap = $map;
1381: }
1382: } elsif ($ltiscope eq 'course') {
1383: if (($env{'request.lti.uri'} eq "/$cdom/$cnum") || ($env{'request.lti.uri'} eq '')) {
1384: $passback = 1;
1385: }
1386: }
1.575 raeburn 1387: return ($passback,$ltiscope,$ltimap,$ltisymb,$itemnum,$lti{$itemnum});
1.560 raeburn 1388: }
1389: }
1390: }
1391: }
1392: return;
1393: }
1394:
1.575 raeburn 1395: sub needs_linkprot_passback {
1396: my ($courseid,$symb,$map) = @_;
1397: if (($env{'request.linkprotpbid'}) && ($env{'request.linkprotpburl'})) {
1398: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1399: my ($cdom,$cnum) = ($1,$2);
1400: my ($deeplink_symb,$deeplink_map,$deeplink,$passback);
1401: $deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom);
1402: if ($deeplink_symb) {
1403: if ($deeplink_symb =~ /\.(page|sequence)$/) {
1404: $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[2]);
1405: my $navmap = Apache::lonnavmaps::navmap->new();
1406: if (ref($navmap)) {
1407: $deeplink = $navmap->get_mapparam(undef,$deeplink_map,'0.deeplink');
1408: }
1409: } else {
1410: $deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$deeplink_symb);
1411: $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[0]);
1412: }
1413: if (($deeplink ne '') && ($env{'request.linkprot'} ne '')) {
1414: my ($itemid,$tinyurl) = split(/:/,$env{'request.linkprot'});
1415: if ($itemid =~ /^(\d+)(c|d)$/) {
1416: my ($itemnum,$itemtype) = ($1,$2);
1417: my ($crsdef,$lti_in_use);
1418: if ($itemtype eq 'c') {
1419: $crsdef = 1;
1420: my %crslti = &Apache::lonnet::get_course_lti($cnum,$cdom,'provider');
1421: $lti_in_use = $crslti{$itemnum};
1422: } else {
1423: my %domlti = &Apache::lonnet::get_domain_lti($cdom,'linkprot');
1424: $lti_in_use = $domlti{$itemnum};
1425: }
1426: my ($state,$others,$listed,$scope,$protect,$display,$target,$exit) = split(/,/,$deeplink);
1427: my $passback;
1428: if ($scope eq 'resource') {
1429: if ($deeplink_symb eq $symb) {
1430: $passback = 1;
1431: }
1432: } elsif ($scope eq 'map') {
1433: if (&Apache::lonnet::clutter($deeplink_map) eq $map) {
1434: $passback = 1;
1435: }
1436: } elsif ($scope eq 'recurse') {
1437: #FIXME check if $deeplink_map contains $map
1438: $passback = 1;
1439: }
1440: return ($passback,$scope,$deeplink_map,$deeplink_symb,$crsdef,$itemnum,$lti_in_use);
1441: }
1442: }
1443: }
1444: }
1445: }
1446: }
1447:
1.435 jms 1448: =pod
1449:
1.524 raeburn 1450: =item check_correctness_changes()
1451:
1452: For all parts for which current results contain a solved status
1.576 ! raeburn 1453: of "incorrect_attempted", check if there was a transaction in which
! 1454: solved was set to "correct_by_student" in the time since the last
! 1455: transaction (retrieved when &initialize_storage() was called i.e.,
1.524 raeburn 1456: when &start_problem() was called), unless:
1457: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1458: (b) problemstatus is set to no or no_feedback_ever
1.576 ! raeburn 1459: If such a transaction exists, and did not occur after "reset status"
1.524 raeburn 1460: by a user with grading privileges, then the current transaction is an
1461: example of an out-of-order transaction (i.e., incorrect occurring after
1462: correct). Accordingly, the current transaction should be hidden.
1463:
1464: =cut
1465:
1466:
1467: sub check_correctness_changes {
1468: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1469: my @parts_to_hide;
1470: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1471: return @parts_to_hide;
1472: }
1473: if (@{$parts}) {
1474: my $usec;
1475: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1476: ($env{'request.course.id'} eq $courseid)) {
1477: $usec = $env{'request.course.sec'};
1478: } else {
1479: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1480: }
1481: foreach my $id (@{$parts}) {
1482: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1483: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1484: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1485: my $reset;
1486: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1487: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1488: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1489: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1490: $reset = 1;
1491: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1492: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1493: unless ($reset) {
1494: push(@parts_to_hide,$id);
1495: last;
1496: }
1497: }
1498: }
1499: }
1500: }
1501: return @parts_to_hide;
1502: }
1503:
1504: =pod
1505:
1.435 jms 1506: item store_aggregates()
1507:
1508: Sends hash of values to be incremented in nohist_resourcetracker.db
1509: for the course. Increments total number of attempts, unique students
1510: and corrects for each part for an instance of a problem, as appropriate.
1511:
1512: =cut
1513:
1.285 raeburn 1514: sub store_aggregates {
1515: my ($symb,$courseid) = @_;
1.479 raeburn 1516: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1517: my @parts;
1.288 albertel 1518: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1519: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1520: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1521: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1522: push(@parts, $1);
1.285 raeburn 1523: }
1524: }
1.286 albertel 1525: foreach my $part (@parts) {
1.470 raeburn 1526: if ($env{'request.role'} =~/^st/) {
1527: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1528: eq 'APPROX_ANS' ||
1529: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1530: eq 'EXACT_ANS') {
1531: $aggregate{$symb."\0".$part."\0correct"} = 1;
1532: }
1533: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1534: $aggregate{$symb."\0".$part."\0users"} = 1;
1535: } else {
1536: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1537: if ($last_reset) {
1538: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1539: $aggregate{$symb."\0".$part."\0users"} = 1;
1540: }
1541: }
1542: }
1543: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1544: }
1.470 raeburn 1545: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1546: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1547: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1548: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1549: $randtrycounter{$symb."\0".$part} = 1;
1550: } else {
1551: $anoncounter{$symb."\0".$part} = 1;
1552: }
1.545 raeburn 1553: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.'::'};
1.537 raeburn 1554: if ($needsrelease) {
1.470 raeburn 1555: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1556: if ($curr_required eq '') {
1.471 raeburn 1557: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1558: } else {
1559: my ($currmajor,$currminor) = split(/\./,$curr_required);
1560: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1561: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1562: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1563: }
1.292 raeburn 1564: }
1565: }
1.285 raeburn 1566: }
1567: }
1.526 raeburn 1568: if (keys(%aggregate) > 0) {
1.289 albertel 1569: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1570: $cdomain,$cname);
1571: }
1.472 raeburn 1572: if (keys(%anoncounter) > 0) {
1.481 raeburn 1573: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1574: $cdomain,$cname);
1.472 raeburn 1575: }
1.479 raeburn 1576: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1577: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1578: $cdomain,$cname);
1.479 raeburn 1579: }
1.292 raeburn 1580: }
1.289 albertel 1581:
1.557 raeburn 1582: sub access_status_msg {
1583: my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_;
1584: my $msg;
1585: if ($target eq 'web') {
1586: if ($status eq 'UNAVAILABLE') {
1587: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1588: } elsif ($status eq 'NOT_IN_A_SLOT') {
1589: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1590: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1591: ($status eq 'NOTRESERVABLE')) {
1592: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1593: } elsif ($status ne 'NOT_YET_VIEWED') {
1594: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1595: }
1596: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1597: $msg.=&mt('The problem ').$accessmsg;
1598: } elsif ($status eq 'UNCHECKEDOUT') {
1599: $msg.=&checkout_msg();
1600: } elsif ($status eq 'NOT_YET_VIEWED') {
1601: $msg.=&firstaccess_msg($accessmsg,$symb);
1602: } elsif ($status eq 'NOT_IN_A_SLOT') {
1603: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1604: } elsif ($status eq 'RESERVABLE') {
1605: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1606: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1607: '<br />'.
1608: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1609: } elsif ($status eq 'RESERVABLE_LATER') {
1610: $msg.=&mt('Window to make a reservation will open [_1].',
1611: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1612: } elsif ($status eq 'NOTRESERVABLE') {
1613: $msg.=&mt('Not available to make a reservation.');
1614: } elsif ($status eq 'NEED_DIFFERENT_IP') {
1615: if ($ipused) {
1616: $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");
1617: } else {
1618: $msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
1619: &mt('Somebody else has already used this particular computer for that purpose.');
1620: }
1621: }
1622: $msg.='<br />';
1623: } elsif ($target eq 'tex') {
1624: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1625: : '\begin{minipage}{\textwidth}';
1626:
1627: $msg ='\noindent \vskip 1 mm '.
1628: $startminipage.'\vskip 0 mm';
1629: if ($status eq 'UNAVAILABLE') {
1630: $msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1631: } else {
1632: $msg.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1633: }
1634: }
1635: return $msg;
1636: }
1637:
1638: sub checkin_prompt {
1639: my ($target,$slot_name,$slot,$type) = @_;
1640: my $result;
1641: if ($target eq 'web') {
1642: $result = &Apache::bridgetask::proctor_validation_screen($slot);
1643: } elsif ($target eq 'grade') {
1644: if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) {
1645: $result = &mt('An error occurred during check-in');
1646: }
1647: }
1648: return $result;
1649: }
1650:
1651: sub selfcheckin_resource {
1652: my ($resource_due,$slot_name,$slot,$symb) = @_;
1653: if ($slot_name ne '') {
1654: my $checked_in =
1655: $Apache::lonhomework::history{'resource.0.checkedin'};
1656: if ($checked_in eq '') {
1657: # unproctored slot access, self checkin
1658: my $needsiptied;
1659: if (ref($slot)) {
1660: $needsiptied = $slot->{'iptied'};
1661: }
1662: my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1663: $slot_name,$needsiptied);
1664: if ($check =~ /^error: /) {
1665: &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name");
1666: } else {
1667: $checked_in = $Apache::lonhomework::results{"resource.0.checkedin"};
1668: }
1669: }
1670: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1671: if ($slot->{'starttime'} < time()) {
1672: if (!$resource_due) {
1673: $resource_due = $slot->{'endtime'};
1674: } elsif ($slot->{'endtime'} < $resource_due) {
1675: $resource_due = $slot->{'endtime'};
1676: }
1677: }
1678: }
1679: }
1680: return $resource_due;
1681: }
1682:
1.65 albertel 1683: sub checkout_msg {
1.211 albertel 1684: my %lt=&Apache::lonlocal::texthash(
1685: 'resource'=>'The resource needs to be checked out',
1686: '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.',
1687: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 1688: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
1689: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 1690: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1691: return (<<ENDCHECKOUT);
1.211 albertel 1692: <h2>$lt{'resource'}</h2>
1693: <p>$lt{'id_expln'}</p>
1.449 bisitz 1694: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1695: <form name="checkout" method="post" action="$uri">
1.91 albertel 1696: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1697: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1698: </form>
1699: ENDCHECKOUT
1700: }
1701:
1.252 albertel 1702: sub firstaccess_msg {
1.253 albertel 1703: my ($time,$symb)=@_;
1.414 albertel 1704: my $result;
1705: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1706: if ($interval[1] eq 'map') {
1707: my ($map)=&Apache::lonnet::decode_symb($symb);
1708: my $foldertitle=&Apache::lonnet::gettitle($map);
1709:
1710: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1711: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1712: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1713: ,$foldertitle,$time)."</p>";
1.414 albertel 1714: } elsif ($interval[1] eq 'course') {
1715: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1716: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1717: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1718: ,$course,$time)."</p>";
1.414 albertel 1719: } else {
1720: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1721: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1722: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1723: ,$title,$time)."</p>";
1.414 albertel 1724: }
1.352 albertel 1725: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1726: my $buttontext = &mt('Show Resource');
1727: my $timertext = &mt('Start Timer?');
1.571 raeburn 1728: my $shownsymb = &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb),'\'"<>&');
1.414 albertel 1729: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1730: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1731: <input type="hidden" name="markaccess" value="yes" />
1.571 raeburn 1732: <input type="hidden" name="symb" value="$shownsymb" />
1.514 bisitz 1733: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1734: </form>
1735: ENDCHECKOUT
1.414 albertel 1736: return $result;
1.252 albertel 1737: }
1738:
1.204 albertel 1739: sub init_problem_globals {
1740: my ($type)=@_;
1741: #initialize globals
1.308 foxr 1742: # For problems, we start out in part 0 (outside a <part> tag).
1743: # and part 0 is used to describe the main body of the <problem>
1744: #
1.204 albertel 1745: if ($type eq 'problem') {
1746: $Apache::inputtags::part='0';
1747: @Apache::inputtags::partlist=('0');
1.405 albertel 1748: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1749: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1750:
1.266 albertel 1751: } elsif ($type eq 'library') {
1.204 albertel 1752: $Apache::inputtags::part='';
1753: @Apache::inputtags::partlist=();
1.405 albertel 1754: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1755: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1756:
1.304 albertel 1757: } elsif ($type eq 'Task') {
1758: $Apache::inputtags::part='0';
1759: @Apache::inputtags::partlist=('0');
1.405 albertel 1760: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1761: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1762: }
1.477 www 1763: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1764: @Apache::inputtags::responselist = ();
1765: @Apache::inputtags::importlist = ();
1766: @Apache::inputtags::previous=();
1767: @Apache::inputtags::previous_version=();
1.536 raeburn 1768: $Apache::inputtags::leniency='';
1.204 albertel 1769: $Apache::structuretags::printanswer='No';
1770: @Apache::structuretags::whileconds=();
1771: @Apache::structuretags::whilebody=();
1772: @Apache::structuretags::whileline=();
1773: $Apache::lonhomework::scantronmode=0;
1.566 raeburn 1774: $Apache::lonhomework::randomizetrypart=0;
1.204 albertel 1775: undef($Apache::lonhomework::name);
1.358 albertel 1776: undef($Apache::lonhomework::default_type);
1777: undef($Apache::lonhomework::type);
1.204 albertel 1778: }
1779:
1780: sub reset_problem_globals {
1781: my ($type)=@_;
1782: undef(%Apache::lonhomework::history);
1783: undef(%Apache::lonhomework::results);
1784: undef($Apache::inputtags::part);
1.536 raeburn 1785: undef($Apache::inputtags::leniency);
1.498 raeburn 1786: if ($type eq 'Task') {
1787: undef($Apache::inputtags::slot_name);
1.528 raeburn 1788: } elsif ($type eq 'problem') {
1789: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1790: }
1.208 albertel 1791: #don't undef this, lonhomework.pm takes care of this, we use this to
1792: #detect if we try to do 2 problems in one file
1793: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1794: undef($Apache::lonhomework::name);
1.358 albertel 1795: undef($Apache::lonhomework::default_type);
1796: undef($Apache::lonhomework::type);
1797: undef($Apache::lonhomework::scantronmode);
1.566 raeburn 1798: undef($Apache::inputtags::randomizetrypart);
1.358 albertel 1799: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1800: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1801: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1802: }
1803:
1.241 albertel 1804: sub set_problem_state {
1.240 albertel 1805: my ($part)=@_;
1.284 albertel 1806: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1807: $Apache::lonhomework::history{"resource.$part.solved"}=
1808: 'correct_by_student';
1809: }
1810: }
1811:
1.241 albertel 1812: sub get_problem_status {
1813: my ($part)=@_;
1.267 albertel 1814: my $problem_status;
1.284 albertel 1815: if ($env{'request.state'} eq 'construct' &&
1816: defined($env{'form.problemstatus'})) {
1817: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1818: } else {
1819: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1820: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1821: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1822: }
1823: return $problem_status;
1824: }
1825:
1.9 albertel 1826: sub start_problem {
1.326 albertel 1827: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1828:
1.311 foxr 1829: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1830: if (!$Apache::lonxml::metamode) {
1831: &Apache::lonxml::startredirection();
1832: }
1.311 foxr 1833:
1.308 foxr 1834: # Problems don't nest and we don't allow more than one <problem> in
1835: # a .problem file.
1836: #
1.184 albertel 1837: if ( $Apache::inputtags::part ne '' ||
1838: $Apache::lonhomework::parsing_a_problem) {
1839: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1840: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1841: return '';
1842: }
1.184 albertel 1843:
1844: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1845: &init_problem_globals('problem');
1.166 albertel 1846:
1.284 albertel 1847: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1848: $Apache::lonhomework::scantronmode=1;
1849: }
1.161 albertel 1850:
1.159 albertel 1851: if ($target ne 'analyze') {
1.415 raeburn 1852: my $type = &Apache::lonnet::EXT('resource.0.type');
1853: $Apache::lonhomework::type=$type;
1.284 albertel 1854: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1855: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1856: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1857: }
1.332 albertel 1858: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1859: }
1.164 albertel 1860: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1861: my $uri=$env{'request.uri'};
1.159 albertel 1862: if ($uri=~/\.(\w+)$/) {
1863: $Apache::lonhomework::type=$1;
1864: &Apache::lonxml::debug("Using type of $1");
1865: } else {
1866: $Apache::lonhomework::type='problem';
1867: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1868: }
1.87 albertel 1869: }
1.301 albertel 1870: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1871:
1.363 albertel 1872: &initialize_storage();
1.389 albertel 1873: if ($target ne 'analyze'
1874: && $env{'request.state'} eq 'construct') {
1875: &set_problem_state('0');
1876: }
1877:
1.366 albertel 1878: if ($target eq 'web') {
1879: &Apache::lonxml::debug(" grading history ");
1880: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1881: }
1.363 albertel 1882:
1.159 albertel 1883: #added vars to the scripting enviroment
1.213 albertel 1884: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1885: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1886: &Apache::run::run($expression,$safeeval);
1.159 albertel 1887: my $status;
1888: my $accessmsg;
1.508 raeburn 1889: my $resource_due;
1.540 raeburn 1890: my $ipused;
1.159 albertel 1891:
1.343 albertel 1892: my $name= &get_resource_name($parstack,$safeeval);
1.561 raeburn 1893: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres);
1.506 raeburn 1894:
1895: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1896: $target eq 'tex') {
1897: if ($env{'form.markaccess'}) {
1898: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.539 raeburn 1899: my ($timelimit) = split(/_/,$interval[0]);
1.561 raeburn 1900: my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit);
1901: unless (($is_set eq 'ok') || ($is_set eq 'already_set')) {
1902: $firstaccres = $is_set;
1903: }
1.506 raeburn 1904: }
1905: }
1906:
1.354 albertel 1907: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1908: || $target eq 'edit') {
1.528 raeburn 1909: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1910: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1911: $name);
1.552 raeburn 1912: } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
1913: ($target eq 'answer')) {
1.528 raeburn 1914: my ($symb)= &Apache::lonnet::whichuser();
1.568 raeburn 1915: if ($symb ne '') {
1916: my $navmap = Apache::lonnavmaps::navmap->new();
1917: if (ref($navmap)) {
1918: my $res = $navmap->getBySymb($symb);
1919: if (ref($res)) {
1920: $probpartlist = $res->parts();
1921: }
1.528 raeburn 1922: }
1923: }
1.350 albertel 1924: }
1925:
1.574 raeburn 1926: if (($target eq 'web') && ($env{'request.user_in_effect'})) {
1927: &Apache::lonxml::get_all_text("/problem",$parser,$style);
1928: return $result;
1929: }
1930:
1.552 raeburn 1931: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1932: $target eq 'tex') {
1933:
1934: my ($symb)= &Apache::lonnet::whichuser();
1935: ($status,$accessmsg,$slot_name,$slot,$ipused) =
1936: &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
1937: push (@Apache::inputtags::status,$status);
1938: }
1939:
1.284 albertel 1940: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1941:
1.479 raeburn 1942: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1943: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1944: $target eq 'tex') {
1.479 raeburn 1945:
1.568 raeburn 1946: my ($symb) = &Apache::lonnet::whichuser();
1.159 albertel 1947: #handle rand seed in construction space
1.568 raeburn 1948: if (($env{'request.state'} eq 'construct') || ($symb eq '')) {
1949: my $partorder=&Apache::lonnet::metadata($env{'request.uri'},'partorder');
1950: if ($partorder ne '') {
1951: @{$probpartlist} = split(/,/,$partorder);
1952: }
1953: }
1.528 raeburn 1954: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1955: if (($target eq 'grade') && &Apache::response::submitted()) {
1956: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1957: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1958: } else {
1959: my @parts;
1960: if (ref($probpartlist) eq 'ARRAY') {
1961: @parts = @{$probpartlist};
1962: }
1963: unless (@parts) {
1.529 raeburn 1964: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1965: }
1966: }
1967: }
1.479 raeburn 1968:
1.333 albertel 1969: if ($env{'request.state'} ne "construct" &&
1970: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.565 raeburn 1971: my $rndseedval = $rndseed;
1972: if (($symb eq '') && ($Apache::lonhomework::type eq 'randomizetry')) {
1973: $rndseedval = $env{'form.rndseed'};
1974: }
1.162 albertel 1975: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.565 raeburn 1976: $rndseedval.'" />'.
1.551 damieng 1977: '<button type="submit" name="resetdata"
1978: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1979: if (exists($env{'form.username'})) {
1980: $form_tag_start.=
1.164 albertel 1981: '<input type="hidden" name="username"
1.284 albertel 1982: value="'.$env{'form.username'}.'" />';
1.334 albertel 1983: }
1.462 raeburn 1984: if ($env{'request.role.adv'}) {
1985: $form_tag_start.= ' <label class="LC_nobreak">'
1986: .'<input type="checkbox" name="showallfoils"';
1987: if (defined($env{'form.showallfoils'})) {
1988: $form_tag_start.=' checked="checked"';
1989: }
1990: $form_tag_start.= ' /> '
1991: .&mt('Show All Foils')
1992: .'</label>';
1993: }
1.417 www 1994: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1995: $form_tag_start.=&practice_problem_header();
1.417 www 1996: }
1.462 raeburn 1997: $form_tag_start.='<hr />';
1.570 raeburn 1998: }
1.565 raeburn 1999: if (($env{'request.state'} ne "construct") &&
2000: ($Apache::lonhomework::type eq 'randomizetry') &&
2001: ($status eq 'CAN_ANSWER') &&
2002: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
2003: (!$env{'request.role.adv'})) {
1.549 raeburn 2004: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.566 raeburn 2005: my @parts;
2006: if (ref($probpartlist) eq 'ARRAY') {
2007: @parts = @{$probpartlist};
2008: }
2009: unless (@parts) {
2010: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2011: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2012: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries,$symb);
2013: }
1.479 raeburn 2014: }
1.324 albertel 2015:
1.159 albertel 2016: my $expression='$external::datestatus="'.$status.'";';
2017: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
2018: &Apache::run::run($expression,$safeeval);
2019: &Apache::lonxml::debug("Got $status");
1.324 albertel 2020:
1.159 albertel 2021: if (( $status eq 'CLOSED' ) ||
2022: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2023: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 2024: ( $status eq 'BANNED') ||
1.216 albertel 2025: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 2026: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 2027: ( $status eq 'NOTRESERVABLE') ||
2028: ( $status eq 'RESERVABLE') ||
2029: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 2030: ( $status eq 'INVALID_ACCESS') ||
2031: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 2032: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2033: $style);
1.561 raeburn 2034: if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
2035: $result .= '<p class="LC_error">'.
2036: &mt('A problem occurred when trying to start the timer.').'</p>';
2037: }
1.557 raeburn 2038: $result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);
1.324 albertel 2039: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 2040: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2041: $style);
1.557 raeburn 2042: $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 2043: } elsif ($target eq 'web') {
1.508 raeburn 2044: if ($status eq 'CAN_ANSWER') {
2045: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
2046: if ($slot_name ne '') {
1.557 raeburn 2047: $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
2048: $env{'request.symb'});
1.508 raeburn 2049: }
2050: if ($resource_due) {
2051: my $time_left = $resource_due - time();
2052: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
2053: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
2054: }
2055: }
2056: }
1.368 albertel 2057: $result.="\n $form_tag_start \t".
1.227 albertel 2058: '<input type="hidden" name="submitted" value="yes" />';
2059: # create a page header and exit
1.284 albertel 2060: if ($env{'request.state'} eq "construct") {
1.544 damieng 2061: if ($env{'form.inhibitmenu'} eq 'yes') {
2062: # error messages can be useful in any case
2063: $result.= &Apache::lonxml::message_location();
2064: } else {
1.542 raeburn 2065: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
2066: }
1.428 raeburn 2067: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2068: $result.= '<button type="submit" name="resetdata" '.
2069: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2070: &practice_problem_header().'<hr />';
1.564 raeburn 2071: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
2072: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2073: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2074: $result.=&randomizetry_problem_header($problemstatus,$reqtries);
1.428 raeburn 2075: }
1.227 albertel 2076: }
2077: # if we are viewing someone else preserve that info
1.284 albertel 2078: if (defined $env{'form.grade_symb'}) {
1.227 albertel 2079: foreach my $field ('symb','courseid','domain','username') {
2080: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 2081: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 2082: }
1.479 raeburn 2083: foreach my $field ('trial','questiontype') {
2084: if ($env{"form.grade_$field"} ne '') {
2085: $result .= '<input type="hidden" name="grade_'.$field.
2086: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
2087: }
2088: }
1.159 albertel 2089: }
1.490 raeburn 2090: if ($env{'form.grade_imsexport'}) {
2091: $result = '';
2092: }
1.159 albertel 2093: } elsif ($target eq 'tex') {
1.319 foxr 2094: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 2095: $result .= &select_metadata_hyphenation();
1.99 sakharuk 2096: }
1.159 albertel 2097: } elsif ($target eq 'edit') {
1.343 albertel 2098: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 2099: $Apache::lonxml::warnings_error_header=
2100: &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 2101: my $temp=&Apache::edit::insertlist($target,$token);
2102: $result.=$temp;
2103: } elsif ($target eq 'modified') {
2104: $result=$token->[4];
2105: } else {
2106: # page_start returned a starting result, delete it if we don't need it
2107: $result = '';
1.99 sakharuk 2108: }
1.159 albertel 2109: return $result;
1.9 albertel 2110: }
2111:
2112: sub end_problem {
1.159 albertel 2113: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 2114: my $result;
1.310 foxr 2115:
1.321 albertel 2116: if (!$Apache::lonxml::metamode) {
2117: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 2118: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2119: }
1.319 foxr 2120:
2121: if ($target eq 'tex') {
1.321 albertel 2122: # Figure out the front matter and replace the
2123: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
2124: # this in end_problem because whether or not we display due
2125: # dates depends on whether due dates have already been
2126: # displayed in the problem parts.
2127:
1.319 foxr 2128: my $frontmatter = '';
2129: my $startminipage = '';
2130: if (not $env{'form.problem_split'}=~/yes/) {
2131: $startminipage = '\begin{minipage}{\textwidth}';
2132: }
2133: my $id = $Apache::inputtags::part;
2134: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
2135: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2136: my @packages = split(/,/,$packages);
1.319 foxr 2137: my $allow_print_points = 0;
2138: foreach my $partial_key (@packages) {
2139: if ($partial_key=~m/^part_0$/) {
2140: $allow_print_points=1;
2141: }
2142: }
2143: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2144: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
2145: if (lc($env{'course.'.$env{'request.course.id'}.
2146: '.disableexampointprint'}) eq 'yes') {
2147: $allow_print_points=0;
2148: }
2149: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 2150: 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 2151: &clear_required_languages();
1.319 foxr 2152: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
2153: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
2154:
2155: # Figure out what the due date is and if we need to print
2156: # it in the problem header. We have been logging the
2157: # last due date written to file.
2158:
2159: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2160: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2161: my $duedate_text = &mt('Due date: [_1]'
2162: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2163: my $temp_file;
2164: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2165:
2166: # Figure out what the last printed due date is or set it
2167: # to the epoch if no duedates have been printed.
2168:
2169: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2170: if (-e $filename) {
2171: $temp_file = Apache::File->new($filename);
2172: my @due_file = <$temp_file>;
2173: $due_file_content = $due_file[$#due_file];
2174: chomp $due_file_content;
2175: }
2176:
2177: # We display the due date iff it is not the same as the last
2178: # duedate in problem header ($due_file_content), and
2179: # none of our parts displayed a duedate.
2180: #
2181: my $parts_with_displayduedate;
2182: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2183: $parts_with_displayduedate =
2184: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2185: } else {
2186: $parts_with_displayduedate = 0;
2187: }
2188: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2189: $temp_file = Apache::File->new('>'.$filename);
2190: print $temp_file "$duetime\n";
2191: if (not $env{'request.symb'} =~ m/\.page_/) {
2192: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2193: $frontmatter .= $begin_doc.
1.448 bisitz 2194: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2195: } else {
2196: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2197: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2198: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2199: }
1.319 foxr 2200: }
2201: } else {
1.448 bisitz 2202: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2203: }
2204: } else {
2205: if (not $env{'request.symb'} =~ m/\.page_/) {
2206: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2207: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2208: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2209: }
1.319 foxr 2210: } else {
1.381 albertel 2211: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2212: }
2213: }
2214: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1.574 raeburn 2215: } elsif ($target eq 'web') {
2216: if ($env{'request.user_in_effect'}) {
2217: &reset_problem_globals('problem');
2218: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
2219: return $result;
2220: }
1.319 foxr 2221: }
2222:
1.159 albertel 2223: my $status=$Apache::inputtags::status['-1'];
2224: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2225: $target eq 'tex') {
1.249 albertel 2226: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2227: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2228: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2229: &Apache::inputtags::grade;
1.324 albertel 2230: } elsif ($status eq 'NEEDS_CHECKIN') {
2231: # no need to grade, and don't want to hide data
1.249 albertel 2232: } else {
2233: # move any submission data to .hidden
2234: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2235: }
1.159 albertel 2236: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2237: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2238: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2239: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2240: # if part is zero, no <part>s existed, so we need show the current
2241: # grading status
2242: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2243: $result.= $gradestatus;
2244: }
2245: if (
1.284 albertel 2246: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2247: ($target eq 'answer') || ($target eq 'tex')
2248: ) {
1.490 raeburn 2249: if (($target ne 'tex') &&
2250: ($env{'form.answer_output_mode'} ne 'tex') &&
2251: (!$env{'form.grade_imsexport'})) {
1.254 www 2252: $result.="</form>";
1.159 albertel 2253: }
2254: if ($target eq 'web') {
1.507 raeburn 2255: #
2256: # Closing </body></html> not added by end_page().
2257: # Added separately at end of this routine, after added
2258: # <script></script> so document will be valid xhtml.
2259: #
1.546 raeburn 2260: my $showdisc = 1;
1.547 raeburn 2261: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
2262: (!$env{'request.role.adv'})) {
2263: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 2264: $showdisc = 0;
1.547 raeburn 2265: my ($symb)= &Apache::lonnet::whichuser();
2266: if ($symb) {
2267: my $navmap = Apache::lonnavmaps::navmap->new();
2268: if (ref($navmap)) {
2269: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
2270: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 2271: # and there are no tries left
1.547 raeburn 2272: unless ($hastries) {
2273: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
2274: my ($score,$incomplete) =
2275: &Apache::lonplacementtest::check_completion(undef,undef,1);
2276: if (!$incomplete) {
2277: $result .= &Apache::lonplacementtest::showresult(1,1);
2278: } elsif ($incomplete < 100) {
2279: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
2280: }
2281: } else {
2282: # For Placement Tests score is displayed if test has just been completed
2283: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
2284: if (!$incomplete) {
2285: $result.= &Apache::lonplacementtest::showresult(1,1);
2286: }
2287: }
2288: }
2289: }
2290: }
1.546 raeburn 2291: }
2292: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 2293: 'notbody' => 1});
1.159 albertel 2294: } elsif ($target eq 'tex') {
1.178 sakharuk 2295: my $endminipage = '';
1.284 albertel 2296: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2297: $endminipage = '\end{minipage}';
2298: }
1.284 albertel 2299: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2300: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2301: } else {
1.262 sakharuk 2302: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2303: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2304: $result .= $endminipage.'\end{document} ';
2305: } else {
1.382 albertel 2306: $result .= $endminipage;
1.262 sakharuk 2307: }
1.159 albertel 2308: }
2309: }
2310: }
1.476 www 2311: if ($target eq 'web') {
1.566 raeburn 2312: $result.=&Apache::functionplotresponse::init_script();
2313: if ($Apache::lonhomework::default_type eq 'randomizetry') {
2314: my ($symb) = &Apache::lonnet::whichuser();
2315: if ((($env{'request.state'} eq 'construct') || ($symb eq '')) &&
2316: ($status eq 'CAN_ANSWER')) {
2317: unless (@Apache::inputtags::partlist > 1) {
2318: $result.= <<"ENDJS";
2319: <script type="text/javascript">
2320: // <![CDATA[
2321: \$(document).ready(function() {
2322: \$('#LC_randomizetry_header').css('display','block');
2323: });
2324: // ]]>
2325: </script>
2326: ENDJS
2327: }
2328: }
2329: }
1.476 www 2330: }
1.159 albertel 2331: if ($target eq 'grade') {
2332: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2333: &finalize_storage();
2334: }
1.284 albertel 2335: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2336: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2337: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2338: # normally we get it from above, but in CSTR
1.172 albertel 2339: # we always show answer mode too.
1.159 albertel 2340: }
2341: } elsif ($target eq 'meta') {
2342: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2343: @Apache::inputtags::response=();
1.159 albertel 2344: $result=&Apache::response::mandatory_part_meta;
2345: }
1.559 raeburn 2346: $result.=&Apache::response::meta_part_order('problem');
1.258 albertel 2347: $result.=&Apache::response::meta_response_order();
1.159 albertel 2348: } elsif ($target eq 'edit') {
2349: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2350: $result .= &problem_edit_footer();
1.320 albertel 2351: } elsif ($target eq 'modified') {
2352: $result .= $token->[2];
1.159 albertel 2353: }
1.155 albertel 2354:
1.284 albertel 2355: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2356: &Apache::inputtags::check_for_duplicate_ids();
2357: }
1.204 albertel 2358:
2359: &reset_problem_globals('problem');
1.159 albertel 2360:
1.502 foxr 2361: #
2362: # This shouild be just above the return so that the
2363: # time put in the javascript is as late as possible in the
2364: # computation:
2365: #
2366: if ($target eq 'web') {
2367: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2368: #
2369: # Closing tags delayed so any <script></script> tags
2370: # not in head can appear inside body, for valid xhtml.
2371: #
2372: $result .= "</body>\n</html>";
1.502 foxr 2373: }
1.159 albertel 2374: return $result;
1.48 albertel 2375: }
2376:
1.108 albertel 2377:
1.48 albertel 2378: sub start_library {
1.159 albertel 2379: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2380: my ($result,$form_tag_start);
1.371 albertel 2381: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2382: &init_problem_globals('library');
2383: $Apache::lonhomework::type='problem';
2384: }
1.159 albertel 2385: if ($target eq 'edit') {
1.343 albertel 2386: ($result,$form_tag_start)=
2387: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2388: 'Edit');
2389: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2390: my $temp=&Apache::edit::insertlist($target,$token);
2391: $result.=$temp;
2392: } elsif ($target eq 'modified') {
2393: $result=$token->[4];
1.340 albertel 2394: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2395: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2396: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2397: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2398: ($result,$form_tag_start)=
2399: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2400: $name);
1.479 raeburn 2401: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2402: $result.=" \n $form_tag_start".
1.159 albertel 2403: '<input type="hidden" name="submitted" value="yes" />';
2404: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2405: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2406: $result.= '<button type="submit" name="resetdata" '.
2407: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2408: &practice_problem_header().'<hr />';
1.428 raeburn 2409: }
1.159 albertel 2410: }
2411: return $result;
1.48 albertel 2412: }
2413:
2414: sub end_library {
1.159 albertel 2415: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2416: my $result='';
2417: if ($target eq 'edit') {
2418: $result=&problem_edit_footer();
1.371 albertel 2419: } elsif ($target eq 'web'
2420: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2421: && $env{'request.state'} eq "construct") {
1.349 albertel 2422: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.558 raeburn 2423: } elsif ($target eq 'meta') {
1.559 raeburn 2424: $result.=&Apache::response::meta_part_order('library');
1.558 raeburn 2425: $result.=&Apache::response::meta_response_order();
1.159 albertel 2426: }
1.371 albertel 2427: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2428: &reset_problem_globals('library');
2429: }
1.159 albertel 2430: return $result;
1.197 www 2431: }
2432:
2433: sub start_definetag {
1.326 albertel 2434: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2435:
2436: my $result;
2437:
2438: my $name = $token->[2]->{'name'};
1.326 albertel 2439: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2440: if ($target eq 'web') {
2441: if ($name=~/^\//) {
2442: $result=
2443: '<br /><table class="LC_sty_end"><tr><th>'.
2444: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2445: } else {
2446: $result=
2447: '<br /><table class="LC_sty_begin"><tr><th>'.
2448: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2449: }
2450: $skip = &HTML::Entities::encode($skip, '<>&"');
2451: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2452: }
2453: return $result;
2454: }
2455:
2456: sub end_definetag {
2457: return '';
1.1 albertel 2458: }
2459:
2460: sub start_block {
1.201 albertel 2461: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2462:
2463: my $result;
1.1 albertel 2464:
1.339 albertel 2465: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2466: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2467: my $code = $token->[2]->{'condition'};
1.385 albertel 2468: if (defined($code) && $code ne '') {
1.137 albertel 2469: if (!$Apache::lonxml::default_homework_loaded) {
2470: &Apache::lonxml::default_homework_load($safeeval);
2471: }
1.131 albertel 2472: $result = &Apache::run::run($code,$safeeval);
2473: &Apache::lonxml::debug("block :$code: returned :$result:");
2474: } else {
2475: $result='1';
2476: }
2477: if ( ! $result ) {
1.201 albertel 2478: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2479: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2480: }
2481: $result='';
2482: } elsif ($target eq 'edit') {
2483: $result .=&Apache::edit::tag_start($target,$token);
2484: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2485: $token,40);
2486: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2487: } elsif ($target eq 'modified') {
2488: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2489: $safeeval,'condition');
2490: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2491: }
1.131 albertel 2492: return $result;
1.1 albertel 2493: }
2494:
2495: sub end_block {
1.167 www 2496: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2497: my $result;
2498: if ($target eq "edit") {
2499: $result.= &Apache::edit::tag_end($target,$token,'');
2500: }
2501: return $result;
2502: }
1.500 foxr 2503: #
2504: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2505: # ...
2506: # </languageblock>
2507: #
2508: # This declares the intent to provide content that can be rendered in the
2509: # set of languages in the include specificatino but not in the exclude
2510: # specification. If a currently preferred language is in the include list
2511: # the content in the <languageblock>...</languageblock> is rendered
2512: # If the currently preferred language is in the exclude list,
2513: # the content in the <languageblock>..></languageblock is not rendered.
2514: #
2515: # Pathalogical case handling:
2516: # - Include specified, without the preferred language but exclude specified
2517: # also without the preferred langauge results in rendering the block.
2518: # - Exclude specified without include and excluden not containing a
2519: # preferred language renders the block.
2520: # - Include and exclude both specifying the preferred language does not
2521: # render the block.
2522: # - If neither include/exclude is specified, the block gets rendered.
2523: #
2524: # This tag has no effect when target is in {edit, modified}
2525: #
1.167 www 2526: sub start_languageblock {
1.201 albertel 2527: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2528:
1.500 foxr 2529: my $result = '';
1.167 www 2530:
1.339 albertel 2531: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2532: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2533: my $include = $token->[2]->{'include'};
2534: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2535: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2536:
2537: # This should not even happen, since we should at least have the server language
2538:
2539: if (!$preferred_languages[0]) {
2540: $preferred_languages[0]='en';
2541: }
2542:
2543: # Now loop over all languages in order of preference
2544:
2545: my $render;
1.398 www 2546: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2547:
2548: # If neither include/nor exlude is present the block is going
2549: # to get rendered.
2550:
1.399 www 2551: my $found=0;
1.500 foxr 2552: $render=1;
2553:
2554: # If include is specified, don't render the block
2555: # unless the preferred language is included in the set.
2556:
1.398 www 2557: if ($include) {
1.500 foxr 2558: $render=0;
1.398 www 2559: foreach my $included_language (split(/\,/,$include)) {
2560: if ($included_language eq $preferred_language) {
1.500 foxr 2561: $render=1;
1.399 www 2562: $found=1;
1.500 foxr 2563: last; # Only need to find the first.
1.398 www 2564: }
2565: }
2566: }
1.500 foxr 2567: # Do we have an exclude argument?
2568: # If so, and one of the languages matches a preferred language
2569: # inhibit rendering the block. Note that in the pathalogical case the
2570: # author has specified a preferred language in both the include and exclude
2571: # attribte exclude is preferred.
2572:
1.398 www 2573: if ($exclude) {
1.500 foxr 2574: $render=1;
1.398 www 2575: foreach my $excluded_language (split(/\,/,$exclude)) {
2576: if ($excluded_language eq $preferred_language) {
1.500 foxr 2577: $render=0;
1.399 www 2578: $found=1;
1.500 foxr 2579: last; # Only need to find the first.
1.398 www 2580: }
2581: }
2582: }
1.500 foxr 2583: if ($found) {
2584: last; # Done on any match of include or exclude.
2585: }
1.398 www 2586: }
1.500 foxr 2587: # If $render not true skip the entire block until </languageblock>
2588: #
2589:
2590: if ( ! $render ) {
1.201 albertel 2591: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2592: $style);
2593: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2594: }
1.500 foxr 2595: # If $render is true, we've not skipped the contents of the <languageglock>
2596: # and the normal loncapa processing flow will render it as a matter of course.
2597:
1.167 www 2598: } elsif ($target eq 'edit') {
2599: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2600: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2601: $token,40);
1.211 albertel 2602: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2603: $token,40);
2604: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2605: } elsif ($target eq 'modified') {
2606: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2607: $safeeval,'include',
2608: 'exclude');
1.167 www 2609: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2610: }
2611: return $result;
2612: }
2613:
2614: sub end_languageblock {
1.170 www 2615: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2616: my $result;
1.201 albertel 2617: if ($target eq "edit") {
1.170 www 2618: $result.= &Apache::edit::tag_end($target,$token,'');
2619: }
2620: return $result;
2621: }
1.500 foxr 2622: # languagblock specific tags:
2623: {
2624: # For chunks of a resource that has translations, this hash contains
2625: # the translations available indexed by language name.
2626: #
2627:
2628: my %available_texts;
1.170 www 2629:
1.500 foxr 2630: # <translated> starts a block of a resource that has multiple translations.
2631: # See the <lang> tag as well.
2632: # When </translated> is encountered if there is a translation for the
2633: # currently preferred language, that is rendered inthe web/tex/webgrade
2634: # targets. Otherwise, the default text is rendered.
2635: #
2636: # Note that <lang> is only registered for the duration of the
2637: # <translated>...</translated> block
2638: #
2639: # Pathalogical case handling:
2640: # - If there is no <lang> that specifies a 'default' and there is no
2641: # translation that matches a preferred language, nothing is rendered.
2642: # - Nested <translated>...</translated> might be linguistically supported by
2643: # XML due to the stack nature of tag registration(?) however the rendered
2644: # output will be incorrect because there is only one %available_texts
2645: # has and end_translated clears it.
2646: # - Material outside of a <lang>...</lang> block within the
2647: # <translated>...<translated> block won't render either e.g.:
2648: # <translated>
2649: # The following will be in your preferred langauge:
2650: # <lang which='en'>
2651: # This section in english
2652: # </lang>
2653: # <lang which='sgeiso'>
2654: # Hier es ist auf Deutsch.
2655: # </lang>
2656: # <lang which='sfriso'>
2657: # En Francais
2658: # </lang>
2659: # </translated>
2660: #
2661: # The introductory text prior to the first <lang> tag is not rendered.
2662: #
1.397 albertel 2663: sub start_translated {
2664: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2665: &Apache::lonxml::register('Apache::structuretags',('lang'));
2666: undef(%available_texts);
2667: }
2668:
2669: sub end_translated {
2670: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2671: my $result;
2672: #show the translation on viewable targets
2673: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2674: # or non-viewable targets, if it's embedded in something that
2675: # wants the output
2676: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2677: && &Apache::lonxml::in_redirection() ) ) {
2678: my @possibilities = keys(%available_texts);
2679: my $which =
2680: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2681: if ($target eq 'tex') {
2682: $result = &select_hyphenation($which);
2683: }
2684: $result .= $available_texts{$which};
2685: if ($target eq 'tex') {
2686: $result .= &select_metadata_hyphenation(); # Restore original language.
2687: }
1.397 albertel 2688: }
2689: undef(%available_texts);
2690: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2691: return $result;
2692: }
2693:
1.500 foxr 2694: # <lang [which='language-name'] [other='lang1,lang2...']>
2695: # Specifies that the block contained within it is a translation
2696: # for a specific language specified by the 'which' attribute. The
2697: # 'other' attribute can be used by itself or in conjunction with
2698: # which to specify this tag _may_ be used as a translation for some
2699: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2700: # specifying that the block provides a translation for US (primary)
2701: # Canadian, Australian and UK Englush.
2702: #
2703: # Comment: this seems a bit silly why not just support a list of languages
2704: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2705: #
2706: # Effect:
2707: # The material within the <lang>..</lang> block is stored in the
2708: # specified set of $available_texts hash entries, the appropriate one
2709: # is selected at </translated> time.
2710: #
2711: # Pathalogical case handling:
2712: # If a language occurs multiple times within a <translated> block,
2713: # only the last one is rendered e.g.:
2714: #
2715: # <translated>
2716: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2717: # Red green color blindness is quite common affecting about 7.8% of
2718: # the male population, but onloy about .65% of the female population.
2719: # </lang>
2720: # Red green colour blindness is quite common affecting about 7.8% of
2721: # the male population, but onloy about .65% of the female population.
2722: # <lang which='seniso', other='senisoCA,senisoAU'>
2723: # </translated>
2724: #
2725: # renders the correct spelling of color (colour) for people who have specified
2726: # a preferred language that is one of the British Commonwealth languages
2727: # even though those are also listed as valid selections for the US english
2728: # <lang> block.
2729: #
1.397 albertel 2730: sub start_lang {
2731: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2732: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2733: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2734: &Apache::lonxml::startredirection();
2735: }
2736: return '';
2737: }
2738:
2739: sub end_lang {
2740: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2741: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2742: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2743: my $result = &Apache::lonxml::endredirection();
2744: my $which = &Apache::lonxml::get_param('which',$parstack,
2745: $safeeval);
1.431 raeburn 2746: if ($which=~/\w/) {
2747: $available_texts{$which} = $result;
2748: }
2749: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2750: $safeeval);
2751: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2752: if ($language=~/\w/) {
2753: $available_texts{$language} = $result;
2754: }
1.427 bisitz 2755: }
2756:
1.397 albertel 2757: }
2758: return '';
2759: }
1.500 foxr 2760: } # end langauge block specific tags.
2761:
1.397 albertel 2762:
1.170 www 2763: sub start_instructorcomment {
1.201 albertel 2764: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2765:
2766: my $result;
2767:
1.339 albertel 2768: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2769: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2770: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2771: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2772: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2773: $parser,$style);
1.170 www 2774: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2775: }
2776: $result='';
2777: } elsif ($target eq 'edit') {
2778: $result .=&Apache::edit::tag_start($target,$token);
2779: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2780: }
2781: return $result;
2782: }
2783:
2784: sub end_instructorcomment {
1.159 albertel 2785: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2786: my $result;
2787: if ($target eq "edit") {
2788: $result.= &Apache::edit::tag_end($target,$token,'');
2789: }
2790: return $result;
1.4 tsai 2791: }
2792:
2793: sub start_while {
1.326 albertel 2794: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2795:
1.160 albertel 2796: my $result;
1.339 albertel 2797: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2798: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2799: my $code = $token->[2]->{'condition'};
1.4 tsai 2800:
1.160 albertel 2801: push( @Apache::structuretags::whileconds, $code);
2802: if (!$Apache::lonxml::default_homework_loaded) {
2803: &Apache::lonxml::default_homework_load($safeeval);
2804: }
2805: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2806: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2807: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2808: push( @Apache::structuretags::whileline, $token->[5]);
2809: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2810: if ( $result ) {
2811: &Apache::lonxml::newparser($parser,\$bodytext);
2812: }
2813: } elsif ($target eq 'edit') {
2814: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2815: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2816: $token,40);
2817: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2818: } elsif ($target eq 'modified') {
2819: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2820: $safeeval,'condition');
2821: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2822: }
1.160 albertel 2823: return $result;
1.4 tsai 2824: }
2825:
2826: sub end_while {
1.159 albertel 2827: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2828: my $result;
2829:
1.339 albertel 2830: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2831: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2832: my $code = pop(@Apache::structuretags::whileconds);
2833: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2834: my $line = pop(@Apache::structuretags::whileline);
2835: my $return = &Apache::run::run($code,$safeeval);
2836: my $starttime=time;
2837: my $error=0;
2838: while ($return) {
2839: if (time-$starttime >
2840: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2841: $return = 0; $error=1; next;
1.161 albertel 2842: }
2843: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2844: if ($target eq 'grade' || $target eq 'answer' ||
2845: $target eq 'analyze') {
2846: # grade/answer/analyze should produce no output but if we
2847: # are redirecting, the redirecter should know what to do
2848: # with the output
2849: if (!$Apache::lonxml::redirection) { undef($result); }
2850: }
1.161 albertel 2851: $return = &Apache::run::run($code,$safeeval);
2852: }
1.516 bisitz 2853: if ($error) {
2854: &Apache::lonxml::error(
2855: '<pre>'
2856: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2857: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2858: .&mt('This occurred while running <while> on line [_1].',
2859: $line)
2860: .'</pre>');
2861: }
1.160 albertel 2862: } elsif ($target eq "edit") {
2863: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2864: }
1.160 albertel 2865: return $result;
1.1 albertel 2866: }
1.6 tsai 2867:
1.160 albertel 2868: # <randomlist show="1">
1.6 tsai 2869: # <tag1>..</tag1>
2870: # <tag2>..</tag2>
2871: # <tag3>..</tag3>
1.160 albertel 2872: # ...
1.6 tsai 2873: # </randomlist>
2874: sub start_randomlist {
1.326 albertel 2875: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2876: my $result;
1.339 albertel 2877: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2878: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2879: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2880: my $b_parser= HTML::LCParser->new(\$body);
2881: $b_parser->xml_mode(1);
2882: $b_parser->marked_sections(1);
1.159 albertel 2883: my $b_tok;
2884: my @randomlist;
2885: my $list_item;
2886: while($b_tok = $b_parser->get_token() ) {
2887: if($b_tok->[0] eq 'S') { # start tag
2888: # get content of the tag until matching end tag
2889: # get all text upto the matching tag
2890: # and push the content into @randomlist
2891: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2892: $b_parser);
2893: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2894: push(@randomlist,$list_item);
2895: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2896: # $list_item</b>";
2897: }
2898: if($b_tok->[0] eq 'T') { # text
2899: # what to do with text in between tags?
2900: # print "<b>TEXT $b_tok->[1]</b><br />";
2901: }
2902: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2903: # print "<b>END-TAG $b_tok->[1]</b><br />";
2904: # }
2905: }
1.303 albertel 2906: if (@randomlist) {
2907: my @idx_arr = (0 .. $#randomlist);
1.555 raeburn 2908: if ($env{'form.code_for_randomlist'}) {
2909: &Apache::structuretags::shuffle(\@idx_arr,$target);
2910: undef($env{'form.code_for_randomlist'});
2911: } else {
2912: &Apache::structuretags::shuffle(\@idx_arr);
2913: }
1.303 albertel 2914: my $bodytext = '';
2915: my $show=$#randomlist;
2916: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2917: $showarg--;
2918: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2919: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2920: my @currlist;
2921: my $part = $Apache::inputtags::part;
2922: if ($part ne '') {
2923: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2924: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2925: if (!(grep(/^\Q$part\E$/,@currlist))) {
2926: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2927: }
2928: } else {
2929: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2930: }
2931: }
2932: }
1.526 raeburn 2933: for my $i (0 .. $show) {
2934: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2935: }
2936: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2937: }
2938: } elsif ($target eq 'edit' ) {
2939: $result .=&Apache::edit::tag_start($target,$token);
2940: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2941: $token,5);
2942: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2943: } elsif ($target eq 'modified' ) {
2944: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2945: $safeeval,'show');
2946: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2947: }
2948: return $result;
1.7 tsai 2949: }
2950:
2951: sub shuffle {
1.555 raeburn 2952: my ($a,$target) = @_;
1.7 tsai 2953: my $i;
1.303 albertel 2954: if (ref($a) eq 'ARRAY' && @$a) {
1.555 raeburn 2955: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2956: for($i=@$a;--$i;) {
2957: my $j=int(&Math::Random::random_uniform() * ($i+1));
2958: next if $i == $j;
2959: @$a[$i,$j] = @$a[$j,$i];
2960: }
1.251 albertel 2961: &Apache::response::poprandomnumber();
1.7 tsai 2962: }
1.6 tsai 2963: }
2964:
2965: sub end_randomlist {
1.159 albertel 2966: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2967: my $result;
2968: if ($target eq 'edit' ) {
2969: $result=&Apache::edit::tag_end($target,$token,
2970: 'End Randomly Parsed Block');
2971: }
2972: return $result;
1.6 tsai 2973: }
2974:
1.283 albertel 2975: sub ordered_show_check {
2976: my $last_part=$Apache::inputtags::partlist[-2];
2977: my $in_order=
2978: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2979: my $in_order_show=1;
2980: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2981: $in_order_show=&Apache::response::check_status($last_part);
2982: }
2983: return $in_order_show;
2984: }
2985:
1.469 www 2986:
2987: sub start_startpartmarker {
2988: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2989: my $result='';
2990: if ($target eq 'edit') {
2991: $result=&Apache::edit::tag_start($target,$token);
2992: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2993: $result.=&Apache::edit::end_table();
2994:
2995: }
2996: return $result;
2997: }
2998:
2999: sub end_startpartmarker {
3000: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3001: my @result;
3002: if ($target eq 'edit') { $result[1]='no'; }
3003: return @result;
3004: }
3005:
3006: sub start_endpartmarker {
3007: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3008: my $result='';
3009: if ($target eq 'edit') {
3010: $result=&Apache::edit::tag_start($target,$token);
3011: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
3012: $result.=&Apache::edit::end_table();
3013:
3014: }
3015: return $result;
3016: }
3017:
3018: sub end_endpartmarker {
3019: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3020: my @result;
3021: if ($target eq 'edit') { $result[1]='no'; }
3022: return @result;
3023: }
3024:
3025:
3026:
3027:
3028:
1.11 albertel 3029: sub start_part {
1.326 albertel 3030: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 3031: if (!$Apache::lonxml::metamode) {
3032: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
3033: # duedates.
3034: }
1.159 albertel 3035: my $result='';
1.386 albertel 3036: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 3037: $Apache::inputtags::part=$id;
1.177 albertel 3038: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 3039: $Apache::inputtags::leniency='';
1.177 albertel 3040: @Apache::inputtags::response=();
1.159 albertel 3041: @Apache::inputtags::previous=();
3042: @Apache::inputtags::previous_version=();
1.405 albertel 3043: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 3044: &Apache::response::reset_params();
3045:
1.159 albertel 3046: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 3047: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
3048: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 3049: if ($Apache::lonhomework::type eq 'randomizetry') {
3050: my $rndseed=&setup_rndseed($safeeval,$target);
3051: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 3052: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 3053: }
1.570 raeburn 3054: } elsif (@Apache::inputtags::partlist > 1) {
3055: my $prevparttype = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[-2].type");
3056: if ($prevparttype eq 'randomizetry') {
3057: my $rndseed=&setup_rndseed($safeeval,$target,'',$prevparttype);
3058: if (($target eq 'grade') && &Apache::response::submitted()) {
3059: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
3060: }
3061: }
1.528 raeburn 3062: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 3063: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 3064: }
1.283 albertel 3065: my $in_order_show=&ordered_show_check();
1.214 albertel 3066: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 3067: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 3068: &Apache::run::run($expression,$safeeval);
1.159 albertel 3069:
3070: if ($target eq 'meta') {
1.224 www 3071: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
3072: return &Apache::response::mandatory_part_meta.
3073: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 3074: } elsif ($target eq 'web' || $target eq 'grade' ||
3075: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 3076: if ($hidden || !$in_order_show) {
1.326 albertel 3077: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 3078: } else {
3079: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
3080: push (@Apache::inputtags::status,$status);
3081: my $expression='$external::datestatus="'.$status.'";';
3082: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
3083: &Apache::run::run($expression,$safeeval);
1.284 albertel 3084: if ($env{'request.state'} eq 'construct') {
1.241 albertel 3085: &set_problem_state($Apache::inputtags::part);
1.240 albertel 3086: }
1.216 albertel 3087: if (( $status eq 'CLOSED' ) ||
3088: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 3089: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 3090: ( $status eq 'BANNED') ||
3091: ( $status eq 'UNAVAILABLE') ||
3092: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 3093: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
3094: $style);
1.159 albertel 3095: if ( $target eq "web" ) {
1.211 albertel 3096: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 3097: } elsif ( $target eq 'tex' ) {
1.284 albertel 3098: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 3099: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 3100: } else {
1.211 albertel 3101: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 3102: }
1.159 albertel 3103: }
3104: } else {
3105: if ($target eq 'tex') {
1.284 albertel 3106: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 3107: if ($$tagstack[-2] eq 'td') {
1.388 foxr 3108: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 3109: } else {
3110: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
3111: }
1.195 sakharuk 3112: }
1.159 albertel 3113: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 3114: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 3115: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 3116: my $allow_print_points = 0;
3117: foreach my $partial_key (@allkeys) {
1.230 albertel 3118: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 3119: if ($1 ne '0') {$allow_print_points=1;}
3120: }
3121: }
1.275 albertel 3122: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
3123: if (defined($maxtries) && $maxtries < 0) {
3124: $allow_print_points=0;
3125: }
1.302 albertel 3126: if (lc($env{'course.'.$env{'request.course.id'}.
3127: '.disableexampointprint'}) eq 'yes') {
3128: $allow_print_points=0;
3129: }
1.463 foxr 3130: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 3131: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 3132:
3133: }
1.233 www 3134: } elsif ($target eq 'web') {
1.479 raeburn 3135: if ($status eq 'CAN_ANSWER') {
3136: my $problemstatus = &get_problem_status($Apache::inputtags::part);
3137: my $num = scalar(@Apache::inputtags::partlist)-1;
1.567 raeburn 3138: if ((($Apache::lonhomework::default_type eq 'randomizetry') ||
3139: ($Apache::lonhomework::randomizetrypart)) &&
1.566 raeburn 3140: ($Apache::lonhomework::type ne 'randomizetry')) {
3141: $result .= &randomizetry_part_header($problemstatus,'none',$num);
3142: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
3143: $Apache::lonhomework::randomizetrypart = 1;
3144: my $reqtries = &Apache::lonnet::EXT("resource.$id.randomizeontries");
1.479 raeburn 3145: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
3146: }
3147: }
1.475 raeburn 3148: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 3149: }
3150: }
3151: }
3152: } elsif ($target eq 'edit') {
3153: $result.=&Apache::edit::tag_start($target,$token);
3154: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
3155: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 3156: ' '.
3157: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 3158: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
3159: } elsif ($target eq 'modified') {
3160: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 3161: $safeeval,'id','display');
1.159 albertel 3162: if ($constructtag) {
1.225 albertel 3163: #limiting ids to only letters numbers, and space
1.224 www 3164: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 3165: $result = &Apache::edit::rebuild_tag($token);
3166: }
3167: }
3168: return $result;
1.11 albertel 3169: }
3170:
3171: sub end_part {
1.159 albertel 3172: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3173: &Apache::lonxml::debug("in end_part $target ");
3174: my $status=$Apache::inputtags::status['-1'];
3175: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 3176: my $in_order_show=&ordered_show_check();
1.321 albertel 3177: my $result;
3178: if (!$Apache::lonxml::metamode) {
3179: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 3180: $Apache::lonxml::post_evaluate=0;
1.321 albertel 3181: }
1.312 albertel 3182: if ($target eq 'grade') {
1.249 albertel 3183: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 3184: !$hidden && $in_order_show) {
1.311 foxr 3185: $result.=&Apache::inputtags::grade;
1.249 albertel 3186: } else {
3187: # move any submission data to .hidden
3188: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3189: }
1.283 albertel 3190: } elsif (($target eq 'web' || $target eq 'tex') &&
3191: !$hidden && $in_order_show) {
1.159 albertel 3192: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3193: $target);
1.490 raeburn 3194: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3195: ($env{'form.grade_imsexport'})) {
1.212 albertel 3196: $gradestatus='';
3197: }
1.311 foxr 3198: $result.=$gradestatus;
1.572 raeburn 3199: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {
3200: if (not $env{'form.problem_split'}=~/yes/) {
3201: $result.='\end{minipage}';
3202: }
1.573 raeburn 3203: }
1.181 albertel 3204: } elsif ($target eq 'edit') {
1.311 foxr 3205: $result.=&Apache::edit::end_table();
1.322 albertel 3206: } elsif ($target eq 'modified') {
3207: $result .= $token->[2];
1.159 albertel 3208: }
3209: pop @Apache::inputtags::status;
3210: $Apache::inputtags::part='';
1.536 raeburn 3211: $Apache::inputtags::leniency='';
1.295 albertel 3212: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3213: return $result;
1.11 albertel 3214: }
1.1 albertel 3215:
1.25 albertel 3216: sub start_preduedate {
1.326 albertel 3217: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3218: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3219: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3220: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3221: if (!$Apache::lonhomework::scantronmode &&
3222: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3223: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3224: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3225: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3226: }
1.24 albertel 3227: }
1.159 albertel 3228: return '';
1.24 albertel 3229: }
3230:
1.25 albertel 3231: sub end_preduedate {
1.159 albertel 3232: return '';
1.24 albertel 3233: }
3234:
1.369 foxr 3235: # In all the modes where <postanswerdate> text is
3236: # displayable, all we do is eat up the text between the start/stop
3237: # tags if the conditions are not right to display it.
1.25 albertel 3238: sub start_postanswerdate {
1.326 albertel 3239: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3240: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3241: &Apache::lonnet::allowed('pav',
3242: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3243: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3244: $target eq 'tex' ) {
1.300 albertel 3245: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3246: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3247: (($target eq 'tex') && !$pav)) {
1.326 albertel 3248: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3249: }
3250: }
3251: return '';
1.24 albertel 3252: }
3253:
1.25 albertel 3254: sub end_postanswerdate {
1.159 albertel 3255: return '';
1.24 albertel 3256: }
3257:
1.25 albertel 3258: sub start_notsolved {
1.326 albertel 3259: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3260: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3261: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3262: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3263: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3264: if ($gradestatus =~ /^correct/ &&
3265: &Apache::response::show_answer()) {
1.159 albertel 3266: &Apache::lonxml::debug("skipping");
1.326 albertel 3267: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3268: }
1.24 albertel 3269: }
1.159 albertel 3270: return '';
1.24 albertel 3271: }
3272:
1.25 albertel 3273: sub end_notsolved {
1.159 albertel 3274: return '';
1.24 albertel 3275: }
3276:
3277: sub start_solved {
1.326 albertel 3278: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3279: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3280: $target eq 'tex') {
3281: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3282: if ($gradestatus !~ /^correct/ ||
3283: !&Apache::response::show_answer()) {
1.326 albertel 3284: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3285: }
1.24 albertel 3286: }
1.159 albertel 3287: return '';
1.24 albertel 3288: }
3289:
3290: sub end_solved {
1.248 albertel 3291: return '';
3292: }
3293:
3294: sub start_problemtype {
1.326 albertel 3295: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3296: my $result;
1.339 albertel 3297: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3298: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3299: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3300: if (!defined($mode)) { $mode='show'; }
3301: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3302: my $found=0;
3303: foreach my $type (split(',',$for)) {
3304: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3305: }
3306: if ($mode eq 'show' && !$found) {
1.326 albertel 3307: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3308: }
3309: if ($mode eq 'hide' && $found) {
1.326 albertel 3310: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3311: }
3312: } elsif ($target eq 'edit') {
3313: $result .=&Apache::edit::tag_start($target,$token);
3314: $result.=&Apache::edit::select_arg('Mode:','mode',
3315: [['show','Show'],
3316: ['hide','Hide']]
3317: ,$token);
3318: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 3319: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 3320: ['survey','Survey'],
1.465 raeburn 3321: ['surveycred','Survey (with credit)'],
3322: ['anonsurvey','Anonymous Survey'],
3323: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3324: ['problem','Homework Problem'],
1.479 raeburn 3325: ['practice','Practice Problem'],
3326: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3327: ,$token);
3328: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3329: } elsif ($target eq 'modified') {
3330: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3331: $safeeval,'mode','for');
3332: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3333: }
3334: return $result;
3335: }
3336:
3337: sub end_problemtype {
1.159 albertel 3338: return '';
1.24 albertel 3339: }
1.34 albertel 3340:
3341: sub start_startouttext {
1.159 albertel 3342: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3343: my @result=(''.'');
3344: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3345:
3346: my $nesting =
3347: &Apache::lonxml::set_state('outtext',
3348: &Apache::lonxml::get_state('outtext')+1);
3349: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3350: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3351: }
1.159 albertel 3352: return (@result);
1.34 albertel 3353: }
1.159 albertel 3354:
1.34 albertel 3355: sub end_startouttext {
1.326 albertel 3356: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3357: my $result='';
3358: my $text='';
3359: if ($target eq 'edit') {
1.424 foxr 3360: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3361: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3362: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3363: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3364: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3365: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3366: .'</span></td>'
1.550 raeburn 3367: .'<td><span id="math_'.$areaid.'">';
3368: if ($env{'environment.nocodemirror'}) {
3369: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3370: } else {
3371: $result.=' ';
3372: }
3373: $result.='</span></td>'
1.474 raeburn 3374: .'<td>'
3375: .&Apache::edit::insertlist($target,$token)
3376: .'</td>'
1.515 golterma 3377: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3378: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3379: &Apache::edit::end_row().
1.362 albertel 3380: &Apache::edit::start_spanning_row()."\n".
1.255 www 3381: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3382: }
3383: if ($target eq 'modified') {
1.219 albertel 3384: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3385: }
3386: if ($target eq 'tex') {
3387: $result .= '\noindent ';
3388: }
3389: return $result;
1.34 albertel 3390: }
1.159 albertel 3391:
1.34 albertel 3392: sub start_endouttext {
1.159 albertel 3393: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3394: my $result='';
3395: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3396: if ($target eq "modified") {
3397: $result='<endouttext />'.
1.377 albertel 3398: &Apache::edit::handle_insertafter('startouttext');
3399: }
1.404 albertel 3400:
3401: my $nesting =
3402: &Apache::lonxml::set_state('outtext',
3403: &Apache::lonxml::get_state('outtext')-1);
3404: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3405: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3406: &Apache::lonxml::set_state('outtext', 0);
3407: }
1.159 albertel 3408: return $result;
1.34 albertel 3409: }
1.159 albertel 3410:
1.34 albertel 3411: sub end_endouttext {
1.159 albertel 3412: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3413: my @result=('','');
3414: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3415: return (@result);
1.34 albertel 3416: }
1.159 albertel 3417:
1.45 albertel 3418: sub delete_startouttext {
1.326 albertel 3419: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3420: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3421: my $text=$$parser['-1']->get_text("/endouttext");
3422: my $ntoken=$$parser['-1']->get_token();
3423: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3424: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3425: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3426: # they did the last time round
3427: &Apache::lonxml::increasedepth($ntoken);
3428: &Apache::lonxml::decreasedepth($ntoken);
3429: return 1;
1.193 www 3430: }
3431:
3432: sub start_simpleeditbutton {
3433: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3434: my $result='';
1.284 albertel 3435: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3436: ($target eq 'web') &&
1.330 albertel 3437: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3438: my $url=$env{'request.noversionuri'};
1.193 www 3439: $url=~s/\?.*$//;
1.367 albertel 3440: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3441: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3442: # $result='<p class="LC_warning">'
3443: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3444: # .&Apache::loncommon::help_open_topic('Caching')
3445: # .'</p>';
1.486 www 3446: $result.=&Apache::loncommon::head_subbox(
3447: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3448: .&Apache::lonhtmlcommon::add_item_funclist(
3449: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3450: .&mt('Edit').'</a>')
1.486 www 3451: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3452:
1.193 www 3453: }
3454: return $result;
3455: }
3456:
3457: sub end_simpleeditbutton {
3458: return '';
1.45 albertel 3459: }
1.34 albertel 3460:
1.428 raeburn 3461: sub practice_problem_header {
1.556 raeburn 3462: return '<h3 class="LC_info">'.&mt('Practice Problem').'</h3>'.
1.428 raeburn 3463: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3464: '</span>';
3465: }
3466:
1.479 raeburn 3467: sub randomizetry_problem_header {
1.566 raeburn 3468: my ($problemstatus,$reqtries,$symb) = @_;
1.479 raeburn 3469: my ($header,$text);
3470: if ($reqtries > 1) {
3471: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3472: if (($problemstatus eq 'no') ||
3473: ($problemstatus eq 'no_feedback_ever')) {
3474: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3475: } else {
3476: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3477: }
3478: } else {
3479: $header = &mt('New Problem Variation Each Try');
3480: if (($problemstatus eq 'no') ||
3481: ($problemstatus eq 'no_feedback_ever')) {
3482: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3483:
3484: } else {
3485: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3486: }
3487: }
1.566 raeburn 3488: if (($env{'request.state'} eq "construct") || ($symb eq '')) {
3489: return '<div class="LC_info" id="LC_randomizetry_header" style="display:none">'.
3490: '<h3>'.$header.'</h3><span class="LC_info">'.$text.'</span><hr /></div>';
3491: } else {
3492: return '<h3 class="LC_info">'.$header.'</h3>'.
3493: '<span class="LC_info">'.$text.'</span><hr />';
3494: }
1.479 raeburn 3495: }
3496:
3497: sub randomizetry_part_header {
3498: my ($problemstatus,$reqtries,$num) = @_;
3499: my ($header,$text);
3500: if ($reqtries eq 'none') {
3501: $header = &mt('No Question Variation');
1.570 raeburn 3502: $text = &mt('For this question there will be no new variation after a try.');
1.479 raeburn 3503: } elsif ($reqtries > 1) {
3504: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3505: if (($problemstatus eq 'no') ||
3506: ($problemstatus eq 'no_feedback_ever')) {
3507: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3508: } else {
3509: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3510: }
3511: } else {
3512: $header = &mt('New Question Variation For Each Try');
3513: if (($problemstatus eq 'no') ||
3514: ($problemstatus eq 'no_feedback_ever')) {
3515: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3516: } else {
3517: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3518: }
3519: }
3520: my $output;
3521: if ($num > 1) {
3522: $output .= '<hr />';
3523: }
1.556 raeburn 3524: $output .= '<h4 class="LC_info">'.$header.'</h4>'.
1.479 raeburn 3525: '<span class="LC_info">'.$text.'</span><br /><br />';
3526: return $output;
3527: }
3528:
1.1 albertel 3529: 1;
3530: __END__
1.435 jms 3531:
3532: =pod
3533:
3534: =back
3535:
3536: =cut
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