Annotation of loncom/homework/structuretags.pm, revision 1.584
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.584 ! raeburn 4: # $Id: structuretags.pm,v 1.583 2024/01/13 12:07:13 raeburn Exp $
1.74 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.254 www 28: ###
1.54 www 29:
1.435 jms 30: =pod
31:
32: =head1 NAME
33:
34: Apache::structuretags
35:
36: =head1 SYNOPSIS
37:
38:
39: This is part of the LearningOnline Network with CAPA project
40: described at http://www.lon-capa.org.
41:
42:
43: =head1 NOTABLE SUBROUTINES
44:
45: =over
46:
47: =item
48:
49: =back
50:
51: =cut
52:
1.133 sakharuk 53:
1.1 albertel 54: package Apache::structuretags;
55:
56: use strict;
57: use Apache::lonnet;
1.101 sakharuk 58: use Apache::File();
1.147 www 59: use Apache::lonmenu;
1.210 albertel 60: use Apache::lonlocal;
1.231 sakharuk 61: use Apache::lonxml;
1.434 foxr 62: use Apache::londefdef;
1.338 albertel 63: use Apache::lonenc();
1.500 foxr 64: use Apache::loncommon();
1.575 raeburn 65: use Apache::lonnavmaps;
1.267 albertel 66: use Time::HiRes qw( gettimeofday tv_interval );
1.571 raeburn 67: use HTML::Entities();
1.356 www 68: use lib '/home/httpd/lib/perl/';
69: use LONCAPA;
70:
1.78 harris41 71: BEGIN {
1.553 damieng 72: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','print','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startpartmarker','startouttext','endpartmarker','endouttext','simpleeditbutton','definetag'));
1.10 albertel 73: }
74:
1.500 foxr 75:
76: #---------------------------------------------------------------------------------
77: #
78: # This section of code deals with hyphenation management.
79: # We must do three things:
80: # - keep track fo the desired languages to alter the header.
81: # - provide hyphenation selection as needed by each language that appears in the
82: # text.
83: # - Provide the header text needed to make available the desired hyphenations.
84: #
85: #
86:
87: # Hash whose keys are the languages encountered in the document/resource.
88: #
89:
90: my %languages_required;
91: ##
92: # Given a language selection as input returns a chunk of LaTeX that
93: # selects the required hyphenator.
94: #
95: # @param language - the language being selected.
96: # @return string
97: # @retval The LaTeX needed to select the hyphenation appropriate to the language.
98: #
99: sub select_hyphenation {
100: my $language = shift;
101:
102: $language = &Apache::loncommon::latexlanguage($language); # Translate -> latex language.
103:
104: # If there is no latex language there's not much we can do:
105:
106: if ($language) {
107: &require_language($language);
108: my $babel_hyphenation = "\\selectlanguage{$language}";
109:
110: return $babel_hyphenation;
111: } else {
112: return '';
113: }
114: }
115: ##
116: # Selects hyphenation based on the current problem metadata.
117: # This requires that
118: # - There is a language metadata item set for the problem.
119: # - The language has a latex/babel hyphenation.
120: #
121: # @note: Uses &Apache::lonxml::request to locate the Uri associated with
122: # this problem.
123: # @return string (possibly empty).
124: # @retval If not empty an appropriate \selectlanguage{} directive.
125: #
126: sub select_metadata_hyphenation {
127: my $uri = $Apache::lonxml::request->uri;
128: my $language = &Apache::lonnet::metadata($uri, 'language');
129: my $latex_language = &Apache::loncommon::latexhyphenation($language);
130: if ($latex_language) {
131: return '\selectlanguage{'.$latex_language."}\n";
132: }
133: return ''; # no latex hyphenation or no lang metadata.
134: }
135:
136:
137: ##
138: # Clears the set of languages required by the document being rendered.
139: #
140: sub clear_required_languages {
141: %languages_required = ();
142: }
143: ##
144: # Allows an external client of this module to register a need for a language:
145: #
146: # @param LaTeX language required:
147: #
148: sub require_language {
149: my $language = shift;
150: $languages_required{$language} = 1;
151: }
152:
153: ##
154: # Provides the header for babel that indicates the languages
155: # the document requires.
156: # @return string
157: # @retval \usepackage[lang1,lang2...]{babel}
158: # @retval '' if there are no languages_required.
159: sub languages_header {
160: my $header ='';
161: my @languages = (keys(%languages_required));
162:
163: # Only generate the header if there are languages:
164:
165: if (scalar @languages) {
166: my $language_list = join(',', (@languages));
167: $header = '\usepackage['.$language_list."]{babel}\n";
168: }
169: return $header;
170: }
171:
172: #----------------------------------------------------------------------------------
173:
1.10 albertel 174: sub start_web {
1.326 albertel 175: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.383 albertel 176: if ($target ne 'edit' && $target ne 'modified') {
177: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
178: if ($target eq 'web' || $target eq 'webgrade') {
179: return $bodytext;
180: }
181: } elsif ($target eq "edit" ) {
182: my $bodytext =
183: &Apache::lonxml::get_all_text_unbalanced("/web",$parser);
184: my $result = &Apache::edit::tag_start($target,$token);
185: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
186: return $result;
187: } elsif ( $target eq "modified" ) {
188: return $token->[4].&Apache::edit::modifiedfield("/web",$parser);
1.159 albertel 189: }
190: return '';
1.10 albertel 191: }
192:
193: sub end_web {
1.44 ng 194: return '';
1.10 albertel 195: }
196:
1.553 damieng 197: sub start_print {
198: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
199: if ($target ne 'edit' && $target ne 'modified') {
200: if ($target ne 'tex') {
201: my $skip = &Apache::lonxml::get_all_text("/print",$parser,$style);
202: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
203: }
204: } elsif ($target eq "edit") {
205: my $bodytext = &Apache::lonxml::get_all_text_unbalanced("/print",$parser);
206: my $result = &Apache::edit::tag_start($target,$token);
207: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
208: return $result;
209: } elsif ($target eq "modified") {
210: return $token->[4].&Apache::edit::modifiedfield("/print",$parser);
211: }
212: return '';
213: }
214:
215: sub end_print {
216: return '';
217: }
218:
1.10 albertel 219: sub start_tex {
1.326 albertel 220: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.198 sakharuk 221: my $result='';
1.383 albertel 222: if ($target ne 'edit' && $target ne 'modified') {
223: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
224: if ($target eq 'tex') {
1.434 foxr 225:
226: # If inside a table, occurrences of \\ must be removed;
227: # else the table blows up.
228:
229: if (&Apache::londefdef::is_inside_of($tagstack, "table")) {
230: $bodytext =~ s/\\\\//g;
231: }
1.432 foxr 232: return $bodytext.'{}';
1.383 albertel 233: }
234: } elsif ($target eq "edit" ) {
235: my $bodytext =
236: &Apache::lonxml::get_all_text_unbalanced("/tex",$parser);
237: my $result = &Apache::edit::tag_start($target,$token);
238: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
239: return $result;
240: } elsif ( $target eq "modified" ) {
241: return $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
1.159 albertel 242: }
1.198 sakharuk 243: return $result;;
1.10 albertel 244: }
245:
246: sub end_tex {
1.44 ng 247: return '';
1.9 albertel 248: }
249:
1.400 albertel 250: sub homework_js {
1.531 raeburn 251: my ($postsubmit,$timeout);
252: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
1.546 raeburn 253: my $crstype = &Apache::loncommon::course_type();
254: if ($crstype eq 'Community') {
1.531 raeburn 255: $crstype = 'community';
1.546 raeburn 256: } elsif ($crstype eq 'Placement') {
257: $crstype = 'placement';
1.531 raeburn 258: } else {
259: if ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) {
260: $crstype = 'official';
261: } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.textbook'}) {
262: $crstype = 'textbook';
263: } else {
264: $crstype = 'unofficial';
265: }
266: }
267: $postsubmit = $env{'course.'.$env{'request.course.id'}.'.internal.postsubmit'};
268: if ($postsubmit eq '') {
269: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
270: $postsubmit = $domdefs{'postsubmit'};
271: unless ($postsubmit eq 'off') {
272: $timeout = $domdefs{$crstype.'postsubtimeout'};
273: }
274: } elsif ($postsubmit eq '0') {
275: $postsubmit = 'off';
276: } elsif ($postsubmit eq '1') {
277: $postsubmit = 'on';
278: $timeout = $env{'course.'.$env{'request.course.id'}.'.internal.postsubtimeout'};
279: if ($timeout eq '') {
280: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
281: $timeout = $domdefs{$crstype.'postsubtimeout'};
282: }
283: }
284: if ($timeout eq '') {
285: $timeout = 60;
286: }
287: } else {
288: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'request.role.domain'});
289: $postsubmit = $domdefs{'postsubmit'};
290: unless ($postsubmit eq 'off') {
291: $timeout = 60;
292: }
293: }
294: my $jstimeout = 0;
295: if ($timeout) {
296: $jstimeout = 1000 * $timeout;
297: }
1.400 albertel 298: return &Apache::loncommon::resize_textarea_js().
1.527 golterma 299: &Apache::loncommon::colorfuleditor_js().
1.581 raeburn 300: &Apache::lonxml::setmode_javascript().
1.531 raeburn 301: <<"JS";
1.400 albertel 302: <script type="text/javascript">
1.483 raeburn 303: // <![CDATA[
1.494 raeburn 304: function setSubmittedPart (part,prefix) {
305: if (typeof(prefix) == 'undefined') {
306: this.document.lonhomework.submitted.value="part_"+part;
307: } else {
308: for (var i=0;i<this.document.lonhomework.elements.length;i++) {
309: if (this.document.lonhomework.elements[i].name == prefix+'submitted') {
310: this.document.lonhomework.elements[i].value="part_"+part;
311: }
312: }
313: }
1.400 albertel 314: }
315:
1.532 raeburn 316: function disableAutoComplete (id) {
317: var field = document.getElementById(id);
318: if (field != null && field != undefined){
319: if ('autocomplete' in field) {
320: field.autocomplete = "off";
321: } else {
322: field.setAttribute("autocomplete", "off");
323: }
324: }
325: }
326:
1.400 albertel 327: function image_response_click (which, e) {
328: init_geometry();
329: if (!e) { e = window.event; } //IE
330: var input_element = document.lonhomework.elements[which];
1.401 albertel 331: var token_element = document.lonhomework.elements[which+'_token'];
1.400 albertel 332: var token = token_element.value;
1.401 albertel 333: var img_element = document.getElementById(which+'_imageresponse');
1.400 albertel 334: var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
335: var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
336: var click = x+':'+y;
337: input_element.value = click;
1.485 raeburn 338: img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
1.400 albertel 339: }
1.520 raeburn 340:
341: var submithandled = 0;
1.521 raeburn 342: var keypresshandled = 0;
1.531 raeburn 343: var postsubmit = '$postsubmit';
1.520 raeburn 344:
1.531 raeburn 345: \$(document).ready(function(){
1.576 raeburn 346: if (postsubmit != 'off') {
1.531 raeburn 347: \$(document).keypress(function(event){
1.521 raeburn 348: var keycode = (event.keyCode ? event.keyCode : event.which);
349: if ((keycode == '13') && (keypresshandled == 0)) {
1.531 raeburn 350: if ( \$( document.activeElement ).hasClass("LC_textline") ) {
1.521 raeburn 351: keypresshandled = 1;
1.531 raeburn 352: var idsArray = \$( document.activeElement ).attr("id").split(/HWVAL_/);
1.521 raeburn 353: if (idsArray.length) {
354: event.preventDefault();
355: var itemsArray = idsArray[1].split(/_/);
356: var buttonId = idsArray[0]+'submit_'+itemsArray[0];
1.531 raeburn 357: \$("#"+buttonId).trigger("click");
1.521 raeburn 358: }
359: }
360: }
361: });
362:
1.531 raeburn 363: \$(document).delegate('form :submit', 'click', function( event ) {
364: if ( \$( this ).hasClass( "LC_hwk_submit" ) ) {
1.520 raeburn 365: var buttonId = this.id;
1.531 raeburn 366: var timeout = $jstimeout;
1.520 raeburn 367: if (submithandled == 0) {
368: submithandled = 1;
1.531 raeburn 369: \$( "#msg_"+buttonId ).css({"display": "inline","background-color": "#87cefa",
1.521 raeburn 370: "color": "black","padding": "2px"}) ;
1.563 raeburn 371: if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
1.522 raeburn 372: if (buttonId != "all_submit") {
1.531 raeburn 373: \$( ".LC_status_"+buttonId ).hide();
1.563 raeburn 374: }
375: if (( "#"+buttonId+"_pressed" ).length) {
376: \$( "#"+buttonId+"_pressed" ).val( "1" );
1.520 raeburn 377: }
1.522 raeburn 378: } else {
1.531 raeburn 379: \$( ".LC_status_"+buttonId ).hide();
1.520 raeburn 380: }
1.531 raeburn 381: \$(this.form).submit();
382: \$( ".LC_hwk_submit" ).prop( "disabled", true);
383: \$( ".LC_textline" ).prop( "readonly", "readonly");
1.520 raeburn 384: event.preventDefault();
1.531 raeburn 385:
386: if (timeout > 0) {
387: setTimeout(function(){
388: \$( "#msg_"+buttonId ).css({"display": "none"});
1.563 raeburn 389: if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
390: if (( "#"+buttonId+"_pressed" ).length) {
391: \$( "#"+buttonId+"_pressed" ).val( "" );
1.531 raeburn 392: }
393: }
394: \$( ".LC_hwk_submit" ).prop( "disabled", false);
395: \$( ".LC_textline" ).prop( "readonly", false);
396: submithandled = 0;
397: keypresshandled = 0;
398: }, timeout);
399: }
1.520 raeburn 400: return true;
401: }
402: }
403: });
1.531 raeburn 404: }
1.520 raeburn 405: });
406:
1.483 raeburn 407: // ]]>
1.400 albertel 408: </script>
409: JS
410: }
411:
1.48 albertel 412: sub page_start {
1.345 albertel 413: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
414: $extra_head)=@_;
1.159 albertel 415: my %found;
1.207 albertel 416: foreach my $taginside (@$tagstack) {
1.159 albertel 417: foreach my $taglookedfor ('html','body','form') {
418: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
419: }
420: }
421:
1.343 albertel 422: if ($target eq 'tex') {
423: return
424: &Apache::londefdef::start_html($target,$token,$tagstack,
425: $parstack,$parser,$safeeval);
426: }
427:
1.474 raeburn 428: $extra_head .= &homework_js().
429: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
430: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1.550 raeburn 431: my %textarea_args;
432: if (($env{'request.state'} ne 'construct') ||
1.579 raeburn 433: (&Apache::loncommon::nocodemirror())) {
1.550 raeburn 434: %textarea_args = (
1.474 raeburn 435: dragmath => 'math',
436: );
1.550 raeburn 437: }
1.474 raeburn 438: $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
1.425 raeburn 439: }
1.478 raeburn 440: my $is_task = ($env{'request.uri'} =~ /\.task$/);
1.528 raeburn 441: my ($needs_upload,$partlist);
1.495 raeburn 442: my ($symb)= &Apache::lonnet::whichuser();
443: my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
1.478 raeburn 444: if ($is_task) {
1.495 raeburn 445: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
1.493 raeburn 446: } else {
447: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.uploadedfiletypes") ne '') {
1.495 raeburn 448: unless ($env{'request.state'} eq 'construct') {
449: my $navmap = Apache::lonnavmaps::navmap->new();
450: if (ref($navmap)) {
451: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 452: my $is_page;
453: if (ref($mapres)) {
454: $is_page = $mapres->is_page();
455: }
456: unless ($is_page) {
1.495 raeburn 457: $needs_upload = 1;
458: }
1.528 raeburn 459: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
460: my $res = $navmap->getBySymb($symb);
461: if (ref($res)) {
462: $partlist = $res->parts();
463: }
464: }
1.495 raeburn 465: }
466: }
1.493 raeburn 467: } else {
468: unless ($env{'request.state'} eq 'construct') {
469: my $navmap = Apache::lonnavmaps::navmap->new();
470: if (ref($navmap)) {
1.495 raeburn 471: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 472: my $is_page;
473: if (ref($mapres)) {
474: $is_page = $mapres->is_page();
475: }
1.528 raeburn 476: if ($is_page) {
477: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
478: my $res = $navmap->getBySymb($symb);
479: if (ref($res)) {
480: $partlist = $res->parts();
481: }
482: }
483: } else {
1.495 raeburn 484: my $res = $navmap->getBySymb($symb);
485: if (ref($res)) {
1.528 raeburn 486: $partlist = $res->parts();
1.495 raeburn 487: if (ref($partlist) eq 'ARRAY') {
488: foreach my $part (@{$partlist}) {
489: my @types = $res->responseType($part);
490: my @ids = $res->responseIds($part);
491: for (my $i=0; $i < scalar(@ids); $i++) {
492: if ($types[$i] eq 'essay') {
493: my $partid = $part.'_'.$ids[$i];
494: if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
495: $needs_upload = 1;
496: last;
497: }
1.493 raeburn 498: }
499: }
500: }
1.495 raeburn 501: }
502: }
1.493 raeburn 503: }
504: }
505: }
506: }
1.495 raeburn 507: if ($needs_upload) {
1.538 musolffc 508: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js()
509: .'<script type="text/javascript"
510: src="/res/adm/includes/file_upload.js"></script>';
1.495 raeburn 511: }
1.478 raeburn 512: }
1.425 raeburn 513:
1.344 albertel 514: my %body_args;
515: if (defined($found{'html'})) {
516: $body_args{'skip_phases'}{'head'}=1;
517: } else {
1.343 albertel 518:
1.345 albertel 519: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 520:
1.379 albertel 521: $extra_head .= &Apache::londefdef::generate_css_links();
522:
1.384 albertel 523: if ($env{'request.state'} eq 'construct') {
1.343 albertel 524: $extra_head.=&Apache::edit::js_change_detection().
525: "<script type=\"text/javascript\">\n".
526: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
527: &Apache::loncommon::browser_and_searcher_javascript().
528: "\n</script>\n";
1.525 raeburn 529: if ($target eq 'edit') {
530: $extra_head .= &Apache::edit::js_update_linknum();
531: }
1.343 albertel 532: }
1.159 albertel 533: }
1.343 albertel 534:
1.446 bisitz 535: my $pageheader = '';
1.344 albertel 536: if (defined($found{'body'})) {
537: $body_args{'skip_phases'}{'body'}=1;
538: } elsif (!defined($found{'body'})
539: && $env{'request.state'} eq 'construct') {
1.343 albertel 540: if ($target eq 'web' || $target eq 'edit') {
1.542 raeburn 541: unless ($env{'form.inhibitmenu'} eq 'yes') {
1.577 raeburn 542: my $text = 'Authoring Space';
543: my $href = &Apache::loncommon::authorspace($env{'request.uri'});
544: if ($env{'request.course.id'}) {
545: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
546: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
547: if ($href eq "/priv/$cdom/$cnum/") {
548: $text = &mt('Course Authoring Space');
549: }
550: }
1.542 raeburn 551: # Breadcrumbs for Authoring Space
552: &Apache::lonhtmlcommon::clear_breadcrumbs();
553: &Apache::lonhtmlcommon::add_breadcrumb({
1.577 raeburn 554: 'text' => $text,
555: 'href' => $href,
1.542 raeburn 556: });
557: # breadcrumbs (and tools) will be created
558: # in start_page->bodytag->innerregister
1.460 droeschl 559:
1.450 bisitz 560: # FIXME Where are we?
1.542 raeburn 561: # &Apache::lonhtmlcommon::add_breadcrumb({
562: # 'text' => 'Problem Editing', # 'Problem Testing'
563: # 'href' => '',
564: # });
565: $pageheader = &Apache::loncommon::head_subbox(
566: &Apache::loncommon::CSTR_pageheader());
567: }
568: }
1.272 albertel 569: } elsif (!defined($found{'body'})) {
1.343 albertel 570: my %add_entries;
1.159 albertel 571: my $background=&Apache::lonxml::get_param('background',$parstack,
572: $safeeval);
1.343 albertel 573: if ($background ne '' ) {
574: $add_entries{'background'} = $background;
575: }
1.344 albertel 576:
1.290 albertel 577: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
578: $safeeval);
1.446 bisitz 579: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
1.344 albertel 580:
1.446 bisitz 581: $body_args{'bgcolor'} = $bgcolor;
582: # $body_args{'no_title'} = 1;
583: $body_args{'force_register'} = 1;
584: $body_args{'add_entries'} = \%add_entries;
1.466 droeschl 585: if ( $env{'request.state'} eq 'construct') {
1.446 bisitz 586: $body_args{'only_body'} = 1;
1.518 raeburn 587: } elsif ($target eq 'web') {
588: $body_args{'print_suppress'} = 1;
1.446 bisitz 589: }
1.344 albertel 590: }
1.365 albertel 591: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 592: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
593: \%body_args);
1.446 bisitz 594: $page_start .= $pageheader;
1.462 raeburn 595: if (!defined($found{'body'})
596: && $env{'request.state'} ne 'construct'
597: && ($target eq 'web' || $target eq 'webgrade')) {
598:
599: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
600: if ($symb eq '' && !$publicuser) {
601: $page_start .= '<p class="LC_info">'
602: .&mt('Browsing resource, all submissions are temporary.')
603: .'</p>';
1.457 bisitz 604: }
1.344 albertel 605: }
606:
1.409 albertel 607: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 608: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 609: }
610: my $form_tag_start;
611: if (!defined($found{'form'})) {
1.337 albertel 612: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.465 raeburn 613: my $uri = &Apache::loncommon::inhibit_menu_check(
1.455 droeschl 614: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.464 raeburn 615: $uri = &HTML::Entities::encode($uri,'<>&"');
1.327 albertel 616: $form_tag_start.=$uri.'" ';
617: if ($target eq 'edit') {
618: $form_tag_start.=&Apache::edit::form_change_detection();
619: }
1.493 raeburn 620: my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
621: my ($path,$multiresp) =
622: &Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom);
1.574 raeburn 623: if ($env{'request.user_in_effect'}) {
624: $form_tag_start .= ' onsubmit="preventDefault();"';
625: } elsif (($is_task) || ($needs_upload)) {
1.495 raeburn 626: $form_tag_start .= ' onsubmit="return file_submission_check(this,'."'$path','$multiresp'".');"';
1.478 raeburn 627: }
1.368 albertel 628: $form_tag_start.='>'."\n";
1.355 albertel 629:
630: if ($symb =~ /\S/) {
631: $symb=
632: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
633: $form_tag_start.=
1.368 albertel 634: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 635: }
1.159 albertel 636: }
1.528 raeburn 637: return ($page_start,$form_tag_start,$partlist);
1.105 albertel 638: }
639:
1.141 matthew 640: #use Time::HiRes();
1.105 albertel 641: sub get_resource_name {
1.159 albertel 642: my ($parstack,$safeeval)=@_;
1.388 foxr 643: my $name;
1.204 albertel 644: if (defined($Apache::lonhomework::name)) {
1.388 foxr 645: $name = $Apache::lonhomework::name;
646: } else {
647: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 648: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 649: if ($name eq '') {
650: $name=&Apache::lonnet::EXT('resource.title');
651: if ($name eq 'con_lost') { $name = ''; }
652: }
653: if ($name!~/\S+/) {
654: $name=$env{'request.uri'};
655: $name=~s-.*/([^/]+)$-$1-;
656: }
657: # The name has had html tags escaped:
658:
659: $name=~s/</</gs;
660: $name=~s/>/>/gs;
661:
662: $Apache::lonhomework::name=$name;
1.204 albertel 663: }
1.159 albertel 664: return $name;
1.105 albertel 665: }
666:
667: sub setup_rndseed {
1.570 raeburn 668: my ($safeeval,$target,$probpartlist,$prevparttype)=@_;
1.367 albertel 669: my ($symb)=&Apache::lonnet::whichuser();
1.564 raeburn 670: my ($questiontype,$set_safespace,$rndseed,$numtries,$reqtries);
1.479 raeburn 671: if ($target eq 'analyze') {
672: $questiontype = $env{'form.grade_questiontype'};
673: }
674: unless (defined($questiontype)) {
675: $questiontype = $Apache::lonhomework::type;
676: }
1.564 raeburn 677: if ($Apache::lonhomework::type eq 'randomizetry') {
678: my $partfortries = $Apache::inputtags::part;
1.568 raeburn 679: #
680: # Where question type is "randomizetry" for a problem containing
681: # a single part (and unless type is explicitly set to not be
682: # "randomizetry" for that part), the number of tries used to
683: # determine randomization will be for that part, and randomization
684: # from calls to &random() in a perl script block before the part tag,
685: # will change based on the number of tries, and value of the
686: # "randomizeontries" parameter in effect for the single part.
687: #
1.564 raeburn 688: if (ref($probpartlist) eq 'ARRAY') {
1.568 raeburn 689: if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $partfortries)) {
690: if (&Apache::lonnet::EXT('resource.'.$probpartlist->[0].'.type') eq 'randomizetry') {
1.566 raeburn 691: $partfortries = $probpartlist->[0];
692: } else {
693: $partfortries = '';
694: }
1.564 raeburn 695: }
696: }
1.566 raeburn 697: if ($partfortries ne '') {
698: $numtries = $Apache::lonhomework::history{"resource.$partfortries.tries"};
699: $reqtries = &Apache::lonnet::EXT("resource.$partfortries.randomizeontries");
700: }
1.564 raeburn 701: }
1.555 raeburn 702: if (($env{'request.state'} eq "construct")
703: || ($symb eq '')
704: || ($Apache::lonhomework::type eq 'practice')
705: || ($Apache::lonhomework::history{'resource.CODE'})
706: || (($env{'form.code_for_randomlist'}) && ($target eq 'analyze'))) {
1.316 www 707: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 708: ['rndseed']);
1.284 albertel 709: $rndseed=$env{'form.rndseed'};
1.159 albertel 710: if (!$rndseed) {
1.162 albertel 711: $rndseed=$Apache::lonhomework::history{'rndseed'};
712: if (!$rndseed) {
713: $rndseed=time;
714: }
1.555 raeburn 715: unless ($env{'form.code_for_randomlist'}) {
716: $env{'form.rndseed'}=$rndseed;
717: }
1.162 albertel 718: }
1.576 raeburn 719: if ((($env{'request.state'} eq "construct") || ($symb eq '')) &&
1.479 raeburn 720: ($Apache::lonhomework::type eq 'randomizetry')) {
1.564 raeburn 721: if ($numtries) {
722: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
723: my $inc = int($numtries/$reqtries);
724: $rndseed += $inc;
725: } else {
726: $rndseed += $numtries;
727: }
1.479 raeburn 728: }
1.480 raeburn 729: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.479 raeburn 730: }
1.551 damieng 731: if ( ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 732: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 733: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 734: srand(time);
735: $rndseed=int(rand(2100000000));
1.284 albertel 736: $env{'form.rndseed'}=$rndseed;
737: delete($env{'form.resetdata'});
738: delete($env{'form.newrandomization'});
1.159 albertel 739: }
1.488 www 740: $rndseed=~s/\,/\:/g;
741: $rndseed=~s/[^\w\d\:\-]//g;
1.489 www 742: if (defined($rndseed)) {
743: my ($c1,$c2)=split(/\:/,$rndseed);
744: unless ($c2) { $c2=0; }
745: unless (($c1==int($c1)) && ($c2==int($c2))) {
746: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
747: }
1.187 albertel 748: }
1.555 raeburn 749: if (($env{'form.code_for_randomlist'}) && ($target eq 'analyze')) {
750: $env{'form.CODE'} = $env{'form.code_for_randomlist'};
751: $rndseed=&Apache::lonnet::rndseed();
752: undef($env{'form.CODE'});
753: } elsif ($Apache::lonhomework::history{'resource.CODE'}) {
1.247 albertel 754: $rndseed=&Apache::lonnet::rndseed();
755: }
1.479 raeburn 756: $set_safespace = 1;
757: } elsif ($questiontype eq 'randomizetry') {
758: if ($target eq 'analyze') {
759: if (defined($env{'form.grade_rndseed'})) {
760: $rndseed = $env{'form.grade_rndseed'};
761: }
762: }
763: unless (($target eq 'analyze') && (defined($rndseed))) {
764: $rndseed=&Apache::lonnet::rndseed();
1.564 raeburn 765: my $curr_try = $numtries;
1.479 raeburn 766: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
767: $curr_try ++;
768: }
769: if ($rndseed =~/^(\d+)[,:](\d+)$/) {
770: $rndseed = $1;
771: }
772: if ($curr_try) {
773: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
774: my $inc = int(($curr_try-1)/$reqtries);
775: $rndseed += $inc;
776: } else {
777: $rndseed += $curr_try;
778: }
779: }
780: }
781: $set_safespace = 1;
1.528 raeburn 782: if ($target eq 'grade') {
783: $Apache::lonhomework::rawrndseed = $rndseed;
784: }
1.570 raeburn 785: } elsif ($prevparttype eq 'randomizetry') {
786: if ($env{'form.0.rndseed'} ne '') {
787: $set_safespace = 1;
788: $rndseed = $env{'form.0.rndseed'};
789: }
1.479 raeburn 790: }
791: if ($set_safespace) {
792: if ($safeeval) {
793: &Apache::lonxml::debug("Setting rndseed to $rndseed");
794: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.569 raeburn 795: if (($Apache::lonhomework::type eq 'randomizetry') || ($prevparttype eq 'randomizetry')) {
796: &Apache::lonxml::debug("Setting randomizetrypart to $Apache::inputtags::part");
797: &Apache::run::run('$external::randomizetrypart="'.$Apache::inputtags::part.'";',$safeeval);
798: }
1.479 raeburn 799: }
800: }
801: unless (($env{'request.state'} eq "construct") || ($symb eq '')) {
802: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.159 albertel 803: }
804: return $rndseed;
1.105 albertel 805: }
806:
1.268 albertel 807: sub remember_problem_state {
808: return '
1.284 albertel 809: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
810: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
811: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 812: }
813:
1.487 www 814: sub problem_edit_action_button {
815: my ($name,$action,$accesskey,$text,$flag)=@_;
816: my $actionscript="setmode(this.form,'$action')";
817: return "\n<input type='button' name='$name' accesskey='$accesskey' value='".&mt($text)."'".
818: ($flag?&Apache::edit::submit_ask_anyway($actionscript):&Apache::edit::submit_dont_ask($actionscript))." />";
819: }
820:
1.423 www 821: sub problem_edit_buttons {
1.487 www 822: my ($mode)=@_;
1.580 raeburn 823: my %editors = &Apache::loncommon::permitted_editors();
1.535 droeschl 824: # Buttons that save
825: my $result = '<div style="float:right">';
826: if ($mode eq 'editxml') {
1.580 raeburn 827: if ($editors{'xml'}) {
828: $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
829: }
1.535 droeschl 830: $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
831: } else {
1.580 raeburn 832: if ($editors{'edit'}) {
833: $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
834: }
1.535 droeschl 835: $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
836: }
837: $result.="\n</div>\n";
1.487 www 838: # Buttons that do not save
1.535 droeschl 839: $result .= '<div>'.
1.487 www 840: &problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
841: if ($mode eq 'editxml') {
1.580 raeburn 842: if ($editors{'edit'}) {
843: $result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
844: }
1.582 raeburn 845: if ($editors{'daxe'}) {
846: $result.=&problem_edit_action_button('subdaxe','daxe','w','Edit with Daxe',1);
847: }
1.487 www 848: $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
1.579 raeburn 849: if (&Apache::loncommon::nocodemirror()) {
1.550 raeburn 850: $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
851: }
1.487 www 852: } else {
1.580 raeburn 853: if ($editors{'xml'}) {
854: $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
855: }
1.582 raeburn 856: if ($editors{'daxe'}) {
857: $result.=&problem_edit_action_button('subdaxe','daxe','w','Edit with Daxe',1);
858: }
1.487 www 859: $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
860: }
861: $result.="\n</div>";
862: return $result;
1.423 www 863: }
864:
865: sub problem_edit_header {
1.527 golterma 866: my ($mode)=@_;
867: my $return = '<input type="hidden" name="submitted" value="edit" />'.
1.487 www 868: &remember_problem_state('edit').'
1.527 golterma 869: <div class="LC_edit_problem_header">
870: <div class="LC_edit_problem_header_title">
871: '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
872: </div><div class="LC_edit_actionbar" id="actionbar">'.
873: '<input type="hidden" name="problemmode" value="saveedit" />'.
874: &problem_edit_buttons();
875:
1.535 droeschl 876: $return .= '</div></div>' . &Apache::lonxml::message_location();
1.527 golterma 877: $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />
878: <script type="text/javascript" src="/adm/codemirror/codemirror-compressed-colorful.js"></script>';
879:
880: $return .= '<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
881: <script type="text/javascript">
882: // unless internet explorer
883: if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode || document.compatMode))){
884: $(document).ready(
885: function() {
886: $(\'.LC_edit_actionbar\').scrollToFixed(
887: {
888: fixed: function(){
1.535 droeschl 889: //$(this).find(\'.LC_edit_actionbar\').css(\'height\', \'31px\');
890: $(this).find(\'.LC_edit_actionbar\');
1.527 golterma 891: }
892: }
893: );
894: }
895: );
896: }
897: </script>
898: <table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
899: return $return;
1.105 albertel 900: }
901:
902: sub problem_edit_footer {
1.527 golterma 903: my $resource = $env{'request.ambiguous'};
1.412 albertel 904: return '</td></tr></table><br />
905: <div class="LC_edit_problem_footer">
1.453 bisitz 906: <hr />'.
1.423 www 907: &problem_edit_buttons().'
1.459 bisitz 908: <hr style="clear:both;" />
1.527 golterma 909: <script type="text/javascript">
910: restoreState("'.$resource.'");
911: restoreScrollPosition("'.$resource.'");
912: </script>
1.412 albertel 913: </div>
914: '.
1.342 albertel 915: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 916: }
917:
1.235 albertel 918: sub option {
919: my ($value,$name) = @_;
920: my $result ="<option value='".$value."' ";
1.284 albertel 921: if ($env{'form.'.$name} eq $value) {
1.235 albertel 922: $result.=" selected='on' ";
923: }
924: $result.='>';
925: return $result;
926: }
927:
1.105 albertel 928: sub problem_web_to_edit_header {
1.159 albertel 929: my ($rndseed)=@_;
1.580 raeburn 930: my %editors = &Apache::loncommon::permitted_editors();
1.406 albertel 931: my $result .= '<div class="LC_edit_problem_header">';
932:
933: if (!$Apache::lonhomework::parsing_a_task) {
934: $result .=
935: '<div class="LC_edit_problem_header_title">'.
936: &mt('Problem Testing').
937: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
938: '</div>';
939: } else {
940: $result .=
941: '<div class="LC_edit_problem_header_title">'.
942: &mt('Task Testing').
943: '</div>';
944: }
945:
1.315 albertel 946: my $show_all_foils_text =
947: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 948: &mt('Show All Instances')
949: : &mt('Show All Foils');
1.315 albertel 950:
1.452 bisitz 951: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
952: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 953: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 954: $show_all.= ' /> '.$show_all_foils_text
955: .'</label></span>';
1.406 albertel 956:
957:
1.384 albertel 958:
1.406 albertel 959: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 960: if (!$Apache::lonhomework::parsing_a_task) {
961: $result.="
1.406 albertel 962: <div class='LC_edit_problem_header_row1'>
963: <span class=\"LC_nobreak\">
1.405 albertel 964: ".&mt("Problem Status:")."
1.235 albertel 965: <select name='problemstate'>
1.270 albertel 966: <option value=''></option>
1.235 albertel 967: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
968: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
969: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
970: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
971: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
972: </select>
1.406 albertel 973: </span>
974: <span class=\"LC_nobreak\">
1.405 albertel 975: ".&mt("Problem Type:")."
1.235 albertel 976: <select name='problemtype'>
1.270 albertel 977: <option value=''></option>
1.509 bisitz 978: ".&option('exam' ,'problemtype').&mt("Bubblesheet Exam Problem")."</option>
1.428 raeburn 979: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 980: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 981: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
982: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
983: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 984: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.479 raeburn 985: ".&option('randomizetry' ,'problemtype').&mt("New Randomization Each Try")."</option>
1.235 albertel 986: </select>
1.406 albertel 987: </span>
988: $show_all
989: </div>
990: <div class='LC_edit_problem_header_row2'>
991: <span class=\"LC_nobreak\">
1.405 albertel 992: ".&mt("Feedback Mode:")."
1.235 albertel 993: <select name='problemstatus'>
994: <option value=''></option>
1.242 albertel 995: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.517 bisitz 996: ".&option('no', 'problemstatus').&mt("Don't Show Incorrect/Correct Feedback")."</option>
1.405 albertel 997: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 998: </select>
1.406 albertel 999: </span>
1000: ";
1001:
1.376 albertel 1002: } elsif ($Apache::lonhomework::parsing_a_task) {
1003: $result.="
1.406 albertel 1004: <div class='LC_edit_problem_header_row1'>
1005: <span class=\"LC_nobreak\">
1.405 albertel 1006: ".&mt("Problem Status:")."
1.376 albertel 1007: <select name='problemstate'>
1008: <option value=''></option>
1009: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
1010: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
1011: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
1012: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
1013: </select>
1.406 albertel 1014: </span>
1015: $show_all
1016: ";
1017: }
1018: $result.='
1019: <span class="LC_nobreak">
1020: '.&mt('Apply style file: ').'
1021: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
1022: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
1023: </span>
1.422 www 1024: </div>
1025: <div class="LC_edit_problem_header_row1">'.
1026: &Apache::lonxml::renderingoptions().'
1.406 albertel 1027: </div>
1028: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
1029: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
1.551 damieng 1030: <button type="submit" name="resetdata" accesskey="r" value="reset_submissions">
1031: '.&mt('Reset Submissions').'</button>
1.406 albertel 1032: </div>
1.453 bisitz 1033: <hr />
1.406 albertel 1034: <div class="LC_edit_problem_header_randomize_row">
1035: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
1036: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 1037: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 1038: $rndseed.'"
1039: onchange="javascript:document.lonhomework.changerandseed.click()" />';
1040:
1041: if (!$Apache::lonhomework::parsing_a_task) {
1042: my $numtoanalyze=$env{'form.numtoanalyze'};
1043: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 1044: $result .= '<span class="LC_nobreak">'.
1045: &mt('[_1] for [_2] versions.',
1.416 raeburn 1046: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 1047: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
1048: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 1049: $numtoanalyze.'" size="5" />').
1050: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
1051: '</span>';
1052:
1.313 albertel 1053: }
1.406 albertel 1054:
1055: $result.='
1056: </div>
1.453 bisitz 1057: <hr />
1.447 bisitz 1058: <div>';
1.416 raeburn 1059: $result.='<input type="hidden" name="problemmode" value="view" />';
1.580 raeburn 1060: if ($editors{'edit'}) {
1061: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
1062: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
1063: }
1064: if ($editors{'xml'}) {
1065: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
1066: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1067: }
1068: if (($editors{'daxe'}) &&
1069: ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9)) {
1.541 damieng 1070: my $uri = $env{'request.uri'};
1.543 damieng 1071: my $daxeurl = '/daxepage'.$uri;
1.582 raeburn 1072: $result .= '<input type="button" accesskey="w" value="'.&mt('Edit with Daxe').'" '.
1073: 'onclick="javascript:setmode(this.form,'."'daxe'".')" />';
1.541 damieng 1074: }
1.408 albertel 1075: $result.='
1076: </div>
1.453 bisitz 1077: <hr />
1.409 albertel 1078: '.&Apache::lonxml::message_location().'
1.406 albertel 1079: </div>';
1.159 albertel 1080: return $result;
1.48 albertel 1081: }
1082:
1.65 albertel 1083: sub initialize_storage {
1.357 albertel 1084: my ($given_symb) = @_;
1.353 albertel 1085: undef(%Apache::lonhomework::results);
1086: undef(%Apache::lonhomework::history);
1.357 albertel 1087: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1088: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 1089:
1090: # anonymous users (CODEd exams) have no data
1091: if ($name eq 'anonymous'
1092: && !defined($domain)) {
1093: return;
1094: }
1095:
1.333 albertel 1096: if ($env{'request.state'} eq 'construct'
1097: || $symb eq ''
1098: || $Apache::lonhomework::type eq 'practice') {
1099:
1100: my $namespace = $symb || $env{'request.uri'};
1.551 damieng 1101: if ($env{'form.resetdata'} eq 'reset_submissions' ||
1102: ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 1103: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 1104: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1105: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
1106: &Apache::lonxml::debug("Attempt reset");
1107: }
1.159 albertel 1108: %Apache::lonhomework::history=
1.333 albertel 1109: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.576 raeburn 1110: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1111: &Apache::lonxml::debug("Return message of $temp");
1112: } else {
1113: %Apache::lonhomework::history=
1114: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1115: }
1.353 albertel 1116:
1.159 albertel 1117: #ignore error conditions
1.526 raeburn 1118: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1119: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 1120: }
1121:
1.435 jms 1122: =pod
1123:
1124: =item finalize_storage()
1125:
1.524 raeburn 1126: Stores away the result hash to a student's environment;
1.523 raeburn 1127: checks form.grade_ for specific values, otherwise stores
1128: to the running user's environment.
1.524 raeburn 1129:
1130: &check_correctness_changes() is called in two circumstances
1131: in which the results hash is to be stored permanently, for
1132: grading triggered by a student's submission, where feedback on
1.576 raeburn 1133: correctness is to be provided to the student.
1.524 raeburn 1134:
1135: 1. Immediately prior to storing the results hash
1136:
1.576 raeburn 1137: To handle the case where a student's submission (and award) were
1.524 raeburn 1138: stored after history was retrieved in &initialize_storage(), e.g.,
1.576 raeburn 1139: if a student submitted answers in quick succession (e.g., from
1.524 raeburn 1140: multiple tabs). &Apache::inputtags::hidealldata() is called for
1141: any parts with out-of-order storage (i.e., correct then incorrect,
1142: where awarded >= 1 when correct).
1143:
1144: 2. Immediately after storing the results hash
1145:
1146: To handle the case where lond on the student's homeserver returns
1147: delay:N -- where N is the number of transactions between the last
1148: retrieved in &initialize_storage() and the last stored immediately
1.576 raeburn 1149: before permanent storage of the current transaction via
1150: lond::store_handler(). &Apache::grades::makehidden() is called
1.524 raeburn 1151: for any parts with out-of-order storage (i.e., correct then incorrect,
1152: where awarded >= 1 when correct).
1153:
1.576 raeburn 1154: Will call &store_aggregates() to increment totals for attempts,
1.524 raeburn 1155: students, and corrects, if running user has student role.
1156:
1.435 jms 1157: =cut
1158:
1159:
1.65 albertel 1160: sub finalize_storage {
1.357 albertel 1161: my ($given_symb) = @_;
1.159 albertel 1162: my $result;
1.289 albertel 1163: if (%Apache::lonhomework::results) {
1.323 albertel 1164: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
1165: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 1166: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1167: &Apache::lonnet::whichuser($given_symb);
1.575 raeburn 1168: my ($passback,$pbscope,$pbmap,$pbsymb,$pbtype,$crsdef,$ltinum,
1169: $ltiref,$total,$possible,$dopassback);
1.333 albertel 1170: if ($env{'request.state'} eq 'construct'
1171: || $symb eq ''
1172: || $Apache::lonhomework::type eq 'practice') {
1173: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 1174: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 1175: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 1176: $namespace,'',$domain,$name);
1.159 albertel 1177: &Apache::lonxml::debug('Construct Store return message:'.$result);
1178: } else {
1.560 raeburn 1179: my ($laststore,$checkedparts,@parts,%postcorrect,%record);
1.524 raeburn 1180: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1181: (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
1182: (!defined($env{'form.grade_courseid'}))) {
1.575 raeburn 1183: if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) {
1.560 raeburn 1184: my ($map)=&Apache::lonnet::decode_symb($symb);
1185: $map = &Apache::lonnet::clutter($map);
1.575 raeburn 1186: if ($env{'request.lti.login'}) {
1.576 raeburn 1187: ($passback,$pbscope,$pbmap,$pbsymb,$ltinum,$ltiref) =
1.575 raeburn 1188: &needs_lti_passback($courseid,$symb,$map);
1189: } elsif ($env{'request.deeplink.login'}) {
1190: ($passback,$pbscope,$pbmap,$pbsymb,$crsdef,$ltinum,$ltiref) =
1191: &needs_linkprot_passback($courseid,$symb,$map);
1192: }
1.560 raeburn 1193: }
1.524 raeburn 1194: if ($Apache::lonhomework::history{'version'}) {
1195: $laststore = $Apache::lonhomework::history{'version'}.'='.
1196: $Apache::lonhomework::history{'timestamp'};
1197: } else {
1198: $laststore = '0=0';
1199: }
1.560 raeburn 1200: %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1.524 raeburn 1201: if ($record{'version'}) {
1202: my ($newversion,$oldversion,$oldtimestamp);
1203: if ($Apache::lonhomework::history{'version'}) {
1204: $oldversion = $Apache::lonhomework::history{'version'};
1205: $oldtimestamp = $Apache::lonhomework::history{'timestamp'};
1206: } else {
1207: $oldversion = 0;
1208: $oldtimestamp = 0;
1209: }
1210: if ($record{'version'} > $oldversion) {
1211: if ($record{'timestamp'} >= $oldtimestamp) {
1212: $laststore = $record{'version'}.'='.$record{'timestamp'};
1213: $newversion = $record{'version'} + 1;
1214: $checkedparts = 1;
1215: foreach my $key (keys(%Apache::lonhomework::results)) {
1216: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1217: my $part = $1;
1218: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1219: push(@parts,$part);
1220: }
1221: }
1222: }
1223: if (@parts) {
1224: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1225: \%record,\@parts,$newversion,
1226: $oldversion);
1227: if (@parts_to_hide) {
1228: foreach my $part (@parts_to_hide) {
1229: $postcorrect{$part} = 1;
1230: &Apache::inputtags::hidealldata($part);
1231: }
1232: }
1233: }
1234: }
1235: }
1236: }
1237: }
1.159 albertel 1238: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
1.524 raeburn 1239: $symb,$courseid,$domain,$name,$laststore);
1240: if ($result =~ /^delay\:(\d+)$/) {
1241: my $numtrans = $1;
1242: my ($oldversion) = split(/=/,$laststore);
1243: if ($numtrans) {
1244: my $newversion = $oldversion + 1 + $numtrans;
1245: my @possparts;
1246: if ($checkedparts) {
1247: foreach my $part (@parts) {
1248: unless ($postcorrect{$part}) {
1249: push(@possparts,$part);
1250: }
1251: }
1252: } else {
1253: foreach my $key (keys(%Apache::lonhomework::results)) {
1254: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1255: my $part = $1;
1256: unless ($postcorrect{$part}) {
1257: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1258: push(@possparts,$part);
1259: }
1260: }
1261: }
1262: }
1263: }
1264: if (@possparts) {
1265: my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1266: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1267: \%newrecord,\@possparts,$newversion,
1268: $oldversion);
1269: if (@parts_to_hide) {
1270: my $partslist = join(',',@parts_to_hide);
1271: &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1);
1272: }
1273: }
1274: }
1275: }
1.562 raeburn 1276: if ($passback) {
1277: foreach my $key (keys(%Apache::lonhomework::results)) {
1278: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1279: my $part = $1;
1280: if ((($Apache::lonhomework::results{$key} =~ /^correct_/) ||
1281: ($Apache::lonhomework::results{$key} eq 'incorrect_attempted')) &&
1282: ($Apache::lonhomework::results{"resource.$part.tries"})) {
1283: $dopassback = 1;
1284: last;
1285: }
1286: }
1287: }
1288: }
1.575 raeburn 1289: if (($dopassback) && ($pbscope eq 'resource') && ($pbsymb eq $symb)) {
1.560 raeburn 1290: $total = 0;
1291: $possible = 0;
1292: my $navmap = Apache::lonnavmaps::navmap->new();
1293: if (ref($navmap)) {
1294: my $res = $navmap->getBySymb($symb);
1295: if (ref($res)) {
1296: my $partlist = $res->parts();
1297: if (ref($partlist) eq 'ARRAY') {
1298: foreach my $part (@{$partlist}) {
1299: unless (exists($Apache::lonhomework::results{"resource.$part.solved"})) {
1300: next if ($Apache::lonhomework::record{"resource.$part.solved"} =~/^excused/);
1301: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1302: $possible += $weight;
1303: if (($record{'version'}) && (exists($record{"resource.$part.awarded"}))) {
1304: my $awarded = $record{"resource.$part.awarded"};
1305: if ($awarded) {
1306: $total += $weight * $awarded;
1307: }
1308: }
1309: }
1310: }
1311: }
1312: }
1313: }
1314: foreach my $key (keys(%Apache::lonhomework::results)) {
1315: if ($key =~ /^resource\.([^\.]+)\.awarded$/) {
1316: my $part = $1;
1317: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1318: $possible += $weight;
1319: my $awarded = $Apache::lonhomework::results{$key};
1320: if ($awarded) {
1321: $total += $weight * $awarded;
1322: }
1323: }
1324: }
1325: }
1.159 albertel 1326: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1327: &store_aggregates($symb,$courseid);
1.562 raeburn 1328: if ($dopassback) {
1.560 raeburn 1329: my $scoreformat = 'decimal';
1.575 raeburn 1330: if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) {
1331: if (ref($ltiref) eq 'HASH') {
1332: if ($ltiref->{'scoreformat'} =~ /^(decimal|ratio|percentage)$/) {
1333: $scoreformat = $1;
1334: }
1.560 raeburn 1335: }
1336: }
1.575 raeburn 1337: my ($pbid,$pburl,$pbtype);
1338: if ($env{'request.lti.login'}) {
1339: $pbid = $env{'request.lti.passbackid'};
1340: $pburl = $env{'request.lti.passbackurl'};
1341: $pbtype = 'lti';
1342: } elsif ($env{'request.deeplink.login'}) {
1343: $pbid = $env{'request.linkprotpbid'};
1344: $pburl = $env{'request.linkprotpburl'};
1345: $pbtype = 'linkprot';
1346: }
1.560 raeburn 1347: my $ltigrade = {
1.575 raeburn 1348: 'ltinum' => $ltinum,
1.560 raeburn 1349: 'lti' => $ltiref,
1.575 raeburn 1350: 'crsdef' => $crsdef,
1.560 raeburn 1351: 'cid' => $courseid,
1352: 'uname' => $env{'user.name'},
1353: 'udom' => $env{'user.domain'},
1.575 raeburn 1354: 'pbid' => $pbid,
1355: 'pburl' => $pburl,
1356: 'pbtype' => $pbtype,
1357: 'scope' => $pbscope,
1358: 'pbmap' => $pbmap,
1359: 'pbsymb' => $pbsymb,
1.560 raeburn 1360: 'format' => $scoreformat,
1361: };
1.575 raeburn 1362: if ($pbscope eq 'resource') {
1.560 raeburn 1363: $ltigrade->{'total'} = $total;
1364: $ltigrade->{'possible'} = $possible;
1365: }
1366: push(@Apache::lonhomework::ltipassback,$ltigrade);
1367: }
1.159 albertel 1368: }
1.323 albertel 1369: } else {
1370: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1371: }
1.159 albertel 1372: return $result;
1.65 albertel 1373: }
1374:
1.560 raeburn 1375: sub needs_lti_passback {
1376: my ($courseid,$symb,$map) = @_;
1377: if (($env{'request.lti.passbackid'}) && ($env{'request.lti.passbackurl'})) {
1378: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1379: my ($cdom,$cnum) = ($1,$2);
1380: my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider');
1381: if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') {
1382: if ($lti{$env{'request.lti.login'}}{'passback'}) {
1.575 raeburn 1383: my $itemnum = $env{'request.lti.login'};
1.560 raeburn 1384: my ($ltiscope,$ltiuri,$ltisymb) =
1385: &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
1386: $cdom,$cnum,1);
1387: my ($passback,$ltimap);
1388: if ($ltiscope eq 'resource') {
1389: if ($ltisymb eq $symb) {
1390: $passback = 1;
1391: }
1392: } elsif ($ltiscope eq 'map') {
1393: if ($ltiuri eq $map) {
1394: $passback = 1;
1395: $ltimap = $map;
1396: }
1397: } elsif ($ltiscope eq 'course') {
1398: if (($env{'request.lti.uri'} eq "/$cdom/$cnum") || ($env{'request.lti.uri'} eq '')) {
1399: $passback = 1;
1400: }
1401: }
1.575 raeburn 1402: return ($passback,$ltiscope,$ltimap,$ltisymb,$itemnum,$lti{$itemnum});
1.560 raeburn 1403: }
1404: }
1405: }
1406: }
1407: return;
1408: }
1409:
1.575 raeburn 1410: sub needs_linkprot_passback {
1411: my ($courseid,$symb,$map) = @_;
1412: if (($env{'request.linkprotpbid'}) && ($env{'request.linkprotpburl'})) {
1413: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1414: my ($cdom,$cnum) = ($1,$2);
1415: my ($deeplink_symb,$deeplink_map,$deeplink,$passback);
1416: $deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom);
1417: if ($deeplink_symb) {
1418: if ($deeplink_symb =~ /\.(page|sequence)$/) {
1419: $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[2]);
1420: my $navmap = Apache::lonnavmaps::navmap->new();
1421: if (ref($navmap)) {
1422: $deeplink = $navmap->get_mapparam(undef,$deeplink_map,'0.deeplink');
1423: }
1424: } else {
1425: $deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$deeplink_symb);
1426: $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[0]);
1427: }
1428: if (($deeplink ne '') && ($env{'request.linkprot'} ne '')) {
1429: my ($itemid,$tinyurl) = split(/:/,$env{'request.linkprot'});
1430: if ($itemid =~ /^(\d+)(c|d)$/) {
1431: my ($itemnum,$itemtype) = ($1,$2);
1432: my ($crsdef,$lti_in_use);
1433: if ($itemtype eq 'c') {
1434: $crsdef = 1;
1435: my %crslti = &Apache::lonnet::get_course_lti($cnum,$cdom,'provider');
1436: $lti_in_use = $crslti{$itemnum};
1437: } else {
1438: my %domlti = &Apache::lonnet::get_domain_lti($cdom,'linkprot');
1439: $lti_in_use = $domlti{$itemnum};
1440: }
1441: my ($state,$others,$listed,$scope,$protect,$display,$target,$exit) = split(/,/,$deeplink);
1.583 raeburn 1442: my ($passback,$pbscope);
1443: if ($scope eq 'res') {
1.575 raeburn 1444: if ($deeplink_symb eq $symb) {
1445: $passback = 1;
1.583 raeburn 1446: $pbscope = 'resource';
1.575 raeburn 1447: }
1448: } elsif ($scope eq 'map') {
1449: if (&Apache::lonnet::clutter($deeplink_map) eq $map) {
1450: $passback = 1;
1.583 raeburn 1451: $pbscope = 'nonrec';
1452: }
1453: } elsif ($scope eq 'rec') {
1.584 ! raeburn 1454: if (&Apache::lonnet::clutter($deeplink_map) eq $map) {
1.583 raeburn 1455: $passback = 1;
1456: $pbscope = 'map';
1.584 ! raeburn 1457: } else {
! 1458: my @recurseup = &Apache::lonnet::get_map_hierarchy($map,$env{'request.course.id'});
! 1459: if (grep(/^\Q$deeplink_map\E$/,@recurseup)) {
! 1460: $passback = 1;
! 1461: $pbscope = 'map';
! 1462: }
1.575 raeburn 1463: }
1464: }
1.583 raeburn 1465: return ($passback,$pbscope,$deeplink_map,$deeplink_symb,$crsdef,$itemnum,$lti_in_use);
1.575 raeburn 1466: }
1467: }
1468: }
1469: }
1470: }
1471: }
1472:
1.435 jms 1473: =pod
1474:
1.524 raeburn 1475: =item check_correctness_changes()
1476:
1477: For all parts for which current results contain a solved status
1.576 raeburn 1478: of "incorrect_attempted", check if there was a transaction in which
1479: solved was set to "correct_by_student" in the time since the last
1480: transaction (retrieved when &initialize_storage() was called i.e.,
1.524 raeburn 1481: when &start_problem() was called), unless:
1482: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1483: (b) problemstatus is set to no or no_feedback_ever
1.576 raeburn 1484: If such a transaction exists, and did not occur after "reset status"
1.524 raeburn 1485: by a user with grading privileges, then the current transaction is an
1486: example of an out-of-order transaction (i.e., incorrect occurring after
1487: correct). Accordingly, the current transaction should be hidden.
1488:
1489: =cut
1490:
1491:
1492: sub check_correctness_changes {
1493: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1494: my @parts_to_hide;
1495: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1496: return @parts_to_hide;
1497: }
1498: if (@{$parts}) {
1499: my $usec;
1500: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1501: ($env{'request.course.id'} eq $courseid)) {
1502: $usec = $env{'request.course.sec'};
1503: } else {
1504: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1505: }
1506: foreach my $id (@{$parts}) {
1507: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1508: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1509: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1510: my $reset;
1511: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1512: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1513: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1514: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1515: $reset = 1;
1516: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1517: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1518: unless ($reset) {
1519: push(@parts_to_hide,$id);
1520: last;
1521: }
1522: }
1523: }
1524: }
1525: }
1526: return @parts_to_hide;
1527: }
1528:
1529: =pod
1530:
1.435 jms 1531: item store_aggregates()
1532:
1533: Sends hash of values to be incremented in nohist_resourcetracker.db
1534: for the course. Increments total number of attempts, unique students
1535: and corrects for each part for an instance of a problem, as appropriate.
1536:
1537: =cut
1538:
1.285 raeburn 1539: sub store_aggregates {
1540: my ($symb,$courseid) = @_;
1.479 raeburn 1541: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1542: my @parts;
1.288 albertel 1543: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1544: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1545: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1546: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1547: push(@parts, $1);
1.285 raeburn 1548: }
1549: }
1.286 albertel 1550: foreach my $part (@parts) {
1.470 raeburn 1551: if ($env{'request.role'} =~/^st/) {
1552: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1553: eq 'APPROX_ANS' ||
1554: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1555: eq 'EXACT_ANS') {
1556: $aggregate{$symb."\0".$part."\0correct"} = 1;
1557: }
1558: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1559: $aggregate{$symb."\0".$part."\0users"} = 1;
1560: } else {
1561: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1562: if ($last_reset) {
1563: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1564: $aggregate{$symb."\0".$part."\0users"} = 1;
1565: }
1566: }
1567: }
1568: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1569: }
1.470 raeburn 1570: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1571: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1572: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1573: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1574: $randtrycounter{$symb."\0".$part} = 1;
1575: } else {
1576: $anoncounter{$symb."\0".$part} = 1;
1577: }
1.545 raeburn 1578: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.'::'};
1.537 raeburn 1579: if ($needsrelease) {
1.470 raeburn 1580: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1581: if ($curr_required eq '') {
1.471 raeburn 1582: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1583: } else {
1584: my ($currmajor,$currminor) = split(/\./,$curr_required);
1585: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1586: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1587: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1588: }
1.292 raeburn 1589: }
1590: }
1.285 raeburn 1591: }
1592: }
1.526 raeburn 1593: if (keys(%aggregate) > 0) {
1.289 albertel 1594: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1595: $cdomain,$cname);
1596: }
1.472 raeburn 1597: if (keys(%anoncounter) > 0) {
1.481 raeburn 1598: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1599: $cdomain,$cname);
1.472 raeburn 1600: }
1.479 raeburn 1601: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1602: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1603: $cdomain,$cname);
1.479 raeburn 1604: }
1.292 raeburn 1605: }
1.289 albertel 1606:
1.557 raeburn 1607: sub access_status_msg {
1608: my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_;
1609: my $msg;
1610: if ($target eq 'web') {
1611: if ($status eq 'UNAVAILABLE') {
1612: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1613: } elsif ($status eq 'NOT_IN_A_SLOT') {
1614: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1615: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1616: ($status eq 'NOTRESERVABLE')) {
1617: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1618: } elsif ($status ne 'NOT_YET_VIEWED') {
1619: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1620: }
1621: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1622: $msg.=&mt('The problem ').$accessmsg;
1623: } elsif ($status eq 'UNCHECKEDOUT') {
1624: $msg.=&checkout_msg();
1625: } elsif ($status eq 'NOT_YET_VIEWED') {
1626: $msg.=&firstaccess_msg($accessmsg,$symb);
1627: } elsif ($status eq 'NOT_IN_A_SLOT') {
1628: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1629: } elsif ($status eq 'RESERVABLE') {
1630: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1631: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1632: '<br />'.
1633: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1634: } elsif ($status eq 'RESERVABLE_LATER') {
1635: $msg.=&mt('Window to make a reservation will open [_1].',
1636: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1637: } elsif ($status eq 'NOTRESERVABLE') {
1638: $msg.=&mt('Not available to make a reservation.');
1639: } elsif ($status eq 'NEED_DIFFERENT_IP') {
1640: if ($ipused) {
1641: $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");
1642: } else {
1643: $msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
1644: &mt('Somebody else has already used this particular computer for that purpose.');
1645: }
1646: }
1647: $msg.='<br />';
1648: } elsif ($target eq 'tex') {
1649: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1650: : '\begin{minipage}{\textwidth}';
1651:
1652: $msg ='\noindent \vskip 1 mm '.
1653: $startminipage.'\vskip 0 mm';
1654: if ($status eq 'UNAVAILABLE') {
1655: $msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1656: } else {
1657: $msg.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1658: }
1659: }
1660: return $msg;
1661: }
1662:
1663: sub checkin_prompt {
1664: my ($target,$slot_name,$slot,$type) = @_;
1665: my $result;
1666: if ($target eq 'web') {
1667: $result = &Apache::bridgetask::proctor_validation_screen($slot);
1668: } elsif ($target eq 'grade') {
1669: if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) {
1670: $result = &mt('An error occurred during check-in');
1671: }
1672: }
1673: return $result;
1674: }
1675:
1676: sub selfcheckin_resource {
1677: my ($resource_due,$slot_name,$slot,$symb) = @_;
1678: if ($slot_name ne '') {
1679: my $checked_in =
1680: $Apache::lonhomework::history{'resource.0.checkedin'};
1681: if ($checked_in eq '') {
1682: # unproctored slot access, self checkin
1683: my $needsiptied;
1684: if (ref($slot)) {
1685: $needsiptied = $slot->{'iptied'};
1686: }
1687: my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1688: $slot_name,$needsiptied);
1689: if ($check =~ /^error: /) {
1690: &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name");
1691: } else {
1692: $checked_in = $Apache::lonhomework::results{"resource.0.checkedin"};
1693: }
1694: }
1695: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1696: if ($slot->{'starttime'} < time()) {
1697: if (!$resource_due) {
1698: $resource_due = $slot->{'endtime'};
1699: } elsif ($slot->{'endtime'} < $resource_due) {
1700: $resource_due = $slot->{'endtime'};
1701: }
1702: }
1703: }
1704: }
1705: return $resource_due;
1706: }
1707:
1.65 albertel 1708: sub checkout_msg {
1.211 albertel 1709: my %lt=&Apache::lonlocal::texthash(
1710: 'resource'=>'The resource needs to be checked out',
1711: '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.',
1712: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 1713: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
1714: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 1715: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1716: return (<<ENDCHECKOUT);
1.211 albertel 1717: <h2>$lt{'resource'}</h2>
1718: <p>$lt{'id_expln'}</p>
1.449 bisitz 1719: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1720: <form name="checkout" method="post" action="$uri">
1.91 albertel 1721: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1722: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1723: </form>
1724: ENDCHECKOUT
1725: }
1726:
1.252 albertel 1727: sub firstaccess_msg {
1.253 albertel 1728: my ($time,$symb)=@_;
1.414 albertel 1729: my $result;
1730: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1731: if ($interval[1] eq 'map') {
1732: my ($map)=&Apache::lonnet::decode_symb($symb);
1733: my $foldertitle=&Apache::lonnet::gettitle($map);
1734:
1735: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1736: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1737: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1738: ,$foldertitle,$time)."</p>";
1.414 albertel 1739: } elsif ($interval[1] eq 'course') {
1740: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1741: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1742: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1743: ,$course,$time)."</p>";
1.414 albertel 1744: } else {
1745: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1746: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1747: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1748: ,$title,$time)."</p>";
1.414 albertel 1749: }
1.352 albertel 1750: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1751: my $buttontext = &mt('Show Resource');
1752: my $timertext = &mt('Start Timer?');
1.571 raeburn 1753: my $shownsymb = &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb),'\'"<>&');
1.414 albertel 1754: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1755: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1756: <input type="hidden" name="markaccess" value="yes" />
1.571 raeburn 1757: <input type="hidden" name="symb" value="$shownsymb" />
1.514 bisitz 1758: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1759: </form>
1760: ENDCHECKOUT
1.414 albertel 1761: return $result;
1.252 albertel 1762: }
1763:
1.204 albertel 1764: sub init_problem_globals {
1765: my ($type)=@_;
1766: #initialize globals
1.308 foxr 1767: # For problems, we start out in part 0 (outside a <part> tag).
1768: # and part 0 is used to describe the main body of the <problem>
1769: #
1.204 albertel 1770: if ($type eq 'problem') {
1771: $Apache::inputtags::part='0';
1772: @Apache::inputtags::partlist=('0');
1.405 albertel 1773: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1774: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1775:
1.266 albertel 1776: } elsif ($type eq 'library') {
1.204 albertel 1777: $Apache::inputtags::part='';
1778: @Apache::inputtags::partlist=();
1.405 albertel 1779: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1780: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1781:
1.304 albertel 1782: } elsif ($type eq 'Task') {
1783: $Apache::inputtags::part='0';
1784: @Apache::inputtags::partlist=('0');
1.405 albertel 1785: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1786: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1787: }
1.477 www 1788: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1789: @Apache::inputtags::responselist = ();
1790: @Apache::inputtags::importlist = ();
1791: @Apache::inputtags::previous=();
1792: @Apache::inputtags::previous_version=();
1.536 raeburn 1793: $Apache::inputtags::leniency='';
1.204 albertel 1794: $Apache::structuretags::printanswer='No';
1795: @Apache::structuretags::whileconds=();
1796: @Apache::structuretags::whilebody=();
1797: @Apache::structuretags::whileline=();
1798: $Apache::lonhomework::scantronmode=0;
1.566 raeburn 1799: $Apache::lonhomework::randomizetrypart=0;
1.204 albertel 1800: undef($Apache::lonhomework::name);
1.358 albertel 1801: undef($Apache::lonhomework::default_type);
1802: undef($Apache::lonhomework::type);
1.204 albertel 1803: }
1804:
1805: sub reset_problem_globals {
1806: my ($type)=@_;
1807: undef(%Apache::lonhomework::history);
1808: undef(%Apache::lonhomework::results);
1809: undef($Apache::inputtags::part);
1.536 raeburn 1810: undef($Apache::inputtags::leniency);
1.498 raeburn 1811: if ($type eq 'Task') {
1812: undef($Apache::inputtags::slot_name);
1.528 raeburn 1813: } elsif ($type eq 'problem') {
1814: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1815: }
1.208 albertel 1816: #don't undef this, lonhomework.pm takes care of this, we use this to
1817: #detect if we try to do 2 problems in one file
1818: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1819: undef($Apache::lonhomework::name);
1.358 albertel 1820: undef($Apache::lonhomework::default_type);
1821: undef($Apache::lonhomework::type);
1822: undef($Apache::lonhomework::scantronmode);
1.566 raeburn 1823: undef($Apache::inputtags::randomizetrypart);
1.358 albertel 1824: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1825: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1826: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1827: }
1828:
1.241 albertel 1829: sub set_problem_state {
1.240 albertel 1830: my ($part)=@_;
1.284 albertel 1831: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1832: $Apache::lonhomework::history{"resource.$part.solved"}=
1833: 'correct_by_student';
1834: }
1835: }
1836:
1.241 albertel 1837: sub get_problem_status {
1838: my ($part)=@_;
1.267 albertel 1839: my $problem_status;
1.284 albertel 1840: if ($env{'request.state'} eq 'construct' &&
1841: defined($env{'form.problemstatus'})) {
1842: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1843: } else {
1844: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1845: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1846: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1847: }
1848: return $problem_status;
1849: }
1850:
1.9 albertel 1851: sub start_problem {
1.326 albertel 1852: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1853:
1.311 foxr 1854: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1855: if (!$Apache::lonxml::metamode) {
1856: &Apache::lonxml::startredirection();
1857: }
1.311 foxr 1858:
1.308 foxr 1859: # Problems don't nest and we don't allow more than one <problem> in
1860: # a .problem file.
1861: #
1.184 albertel 1862: if ( $Apache::inputtags::part ne '' ||
1863: $Apache::lonhomework::parsing_a_problem) {
1864: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1865: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1866: return '';
1867: }
1.184 albertel 1868:
1869: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1870: &init_problem_globals('problem');
1.166 albertel 1871:
1.284 albertel 1872: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1873: $Apache::lonhomework::scantronmode=1;
1874: }
1.161 albertel 1875:
1.159 albertel 1876: if ($target ne 'analyze') {
1.415 raeburn 1877: my $type = &Apache::lonnet::EXT('resource.0.type');
1878: $Apache::lonhomework::type=$type;
1.284 albertel 1879: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1880: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1881: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1882: }
1.332 albertel 1883: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1884: }
1.164 albertel 1885: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1886: my $uri=$env{'request.uri'};
1.159 albertel 1887: if ($uri=~/\.(\w+)$/) {
1888: $Apache::lonhomework::type=$1;
1889: &Apache::lonxml::debug("Using type of $1");
1890: } else {
1891: $Apache::lonhomework::type='problem';
1892: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1893: }
1.87 albertel 1894: }
1.301 albertel 1895: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1896:
1.363 albertel 1897: &initialize_storage();
1.389 albertel 1898: if ($target ne 'analyze'
1899: && $env{'request.state'} eq 'construct') {
1900: &set_problem_state('0');
1901: }
1902:
1.366 albertel 1903: if ($target eq 'web') {
1904: &Apache::lonxml::debug(" grading history ");
1905: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1906: }
1.363 albertel 1907:
1.159 albertel 1908: #added vars to the scripting enviroment
1.213 albertel 1909: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1910: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1911: &Apache::run::run($expression,$safeeval);
1.159 albertel 1912: my $status;
1913: my $accessmsg;
1.508 raeburn 1914: my $resource_due;
1.540 raeburn 1915: my $ipused;
1.159 albertel 1916:
1.343 albertel 1917: my $name= &get_resource_name($parstack,$safeeval);
1.561 raeburn 1918: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres);
1.506 raeburn 1919:
1920: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1921: $target eq 'tex') {
1922: if ($env{'form.markaccess'}) {
1923: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.539 raeburn 1924: my ($timelimit) = split(/_/,$interval[0]);
1.561 raeburn 1925: my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit);
1926: unless (($is_set eq 'ok') || ($is_set eq 'already_set')) {
1927: $firstaccres = $is_set;
1928: }
1.506 raeburn 1929: }
1930: }
1931:
1.354 albertel 1932: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1933: || $target eq 'edit') {
1.528 raeburn 1934: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1935: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1936: $name);
1.552 raeburn 1937: } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
1938: ($target eq 'answer')) {
1.528 raeburn 1939: my ($symb)= &Apache::lonnet::whichuser();
1.568 raeburn 1940: if ($symb ne '') {
1941: my $navmap = Apache::lonnavmaps::navmap->new();
1942: if (ref($navmap)) {
1943: my $res = $navmap->getBySymb($symb);
1944: if (ref($res)) {
1945: $probpartlist = $res->parts();
1946: }
1.528 raeburn 1947: }
1948: }
1.350 albertel 1949: }
1950:
1.574 raeburn 1951: if (($target eq 'web') && ($env{'request.user_in_effect'})) {
1952: &Apache::lonxml::get_all_text("/problem",$parser,$style);
1953: return $result;
1954: }
1955:
1.552 raeburn 1956: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1957: $target eq 'tex') {
1958:
1959: my ($symb)= &Apache::lonnet::whichuser();
1960: ($status,$accessmsg,$slot_name,$slot,$ipused) =
1961: &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
1962: push (@Apache::inputtags::status,$status);
1963: }
1964:
1.284 albertel 1965: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1966:
1.479 raeburn 1967: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1968: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1969: $target eq 'tex') {
1.479 raeburn 1970:
1.568 raeburn 1971: my ($symb) = &Apache::lonnet::whichuser();
1.159 albertel 1972: #handle rand seed in construction space
1.568 raeburn 1973: if (($env{'request.state'} eq 'construct') || ($symb eq '')) {
1974: my $partorder=&Apache::lonnet::metadata($env{'request.uri'},'partorder');
1975: if ($partorder ne '') {
1976: @{$probpartlist} = split(/,/,$partorder);
1977: }
1978: }
1.528 raeburn 1979: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1980: if (($target eq 'grade') && &Apache::response::submitted()) {
1981: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1982: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1983: } else {
1984: my @parts;
1985: if (ref($probpartlist) eq 'ARRAY') {
1986: @parts = @{$probpartlist};
1987: }
1988: unless (@parts) {
1.529 raeburn 1989: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1990: }
1991: }
1992: }
1.479 raeburn 1993:
1.333 albertel 1994: if ($env{'request.state'} ne "construct" &&
1995: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.565 raeburn 1996: my $rndseedval = $rndseed;
1997: if (($symb eq '') && ($Apache::lonhomework::type eq 'randomizetry')) {
1998: $rndseedval = $env{'form.rndseed'};
1999: }
1.162 albertel 2000: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.565 raeburn 2001: $rndseedval.'" />'.
1.551 damieng 2002: '<button type="submit" name="resetdata"
2003: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 2004: if (exists($env{'form.username'})) {
2005: $form_tag_start.=
1.164 albertel 2006: '<input type="hidden" name="username"
1.284 albertel 2007: value="'.$env{'form.username'}.'" />';
1.334 albertel 2008: }
1.462 raeburn 2009: if ($env{'request.role.adv'}) {
2010: $form_tag_start.= ' <label class="LC_nobreak">'
2011: .'<input type="checkbox" name="showallfoils"';
2012: if (defined($env{'form.showallfoils'})) {
2013: $form_tag_start.=' checked="checked"';
2014: }
2015: $form_tag_start.= ' /> '
2016: .&mt('Show All Foils')
2017: .'</label>';
2018: }
1.417 www 2019: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 2020: $form_tag_start.=&practice_problem_header();
1.417 www 2021: }
1.462 raeburn 2022: $form_tag_start.='<hr />';
1.570 raeburn 2023: }
1.565 raeburn 2024: if (($env{'request.state'} ne "construct") &&
2025: ($Apache::lonhomework::type eq 'randomizetry') &&
2026: ($status eq 'CAN_ANSWER') &&
2027: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
2028: (!$env{'request.role.adv'})) {
1.549 raeburn 2029: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.566 raeburn 2030: my @parts;
2031: if (ref($probpartlist) eq 'ARRAY') {
2032: @parts = @{$probpartlist};
2033: }
2034: unless (@parts) {
2035: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2036: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2037: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries,$symb);
2038: }
1.479 raeburn 2039: }
1.324 albertel 2040:
1.159 albertel 2041: my $expression='$external::datestatus="'.$status.'";';
2042: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
2043: &Apache::run::run($expression,$safeeval);
2044: &Apache::lonxml::debug("Got $status");
1.324 albertel 2045:
1.159 albertel 2046: if (( $status eq 'CLOSED' ) ||
2047: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2048: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 2049: ( $status eq 'BANNED') ||
1.216 albertel 2050: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 2051: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 2052: ( $status eq 'NOTRESERVABLE') ||
2053: ( $status eq 'RESERVABLE') ||
2054: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 2055: ( $status eq 'INVALID_ACCESS') ||
2056: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 2057: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2058: $style);
1.561 raeburn 2059: if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
2060: $result .= '<p class="LC_error">'.
2061: &mt('A problem occurred when trying to start the timer.').'</p>';
2062: }
1.557 raeburn 2063: $result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);
1.324 albertel 2064: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 2065: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2066: $style);
1.557 raeburn 2067: $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 2068: } elsif ($target eq 'web') {
1.508 raeburn 2069: if ($status eq 'CAN_ANSWER') {
2070: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
2071: if ($slot_name ne '') {
1.557 raeburn 2072: $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
2073: $env{'request.symb'});
1.508 raeburn 2074: }
2075: if ($resource_due) {
2076: my $time_left = $resource_due - time();
2077: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
2078: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
2079: }
2080: }
2081: }
1.368 albertel 2082: $result.="\n $form_tag_start \t".
1.227 albertel 2083: '<input type="hidden" name="submitted" value="yes" />';
2084: # create a page header and exit
1.284 albertel 2085: if ($env{'request.state'} eq "construct") {
1.544 damieng 2086: if ($env{'form.inhibitmenu'} eq 'yes') {
2087: # error messages can be useful in any case
2088: $result.= &Apache::lonxml::message_location();
2089: } else {
1.542 raeburn 2090: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
2091: }
1.428 raeburn 2092: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2093: $result.= '<button type="submit" name="resetdata" '.
2094: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2095: &practice_problem_header().'<hr />';
1.564 raeburn 2096: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
2097: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2098: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2099: $result.=&randomizetry_problem_header($problemstatus,$reqtries);
1.428 raeburn 2100: }
1.227 albertel 2101: }
2102: # if we are viewing someone else preserve that info
1.284 albertel 2103: if (defined $env{'form.grade_symb'}) {
1.227 albertel 2104: foreach my $field ('symb','courseid','domain','username') {
2105: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 2106: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 2107: }
1.479 raeburn 2108: foreach my $field ('trial','questiontype') {
2109: if ($env{"form.grade_$field"} ne '') {
2110: $result .= '<input type="hidden" name="grade_'.$field.
2111: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
2112: }
2113: }
1.159 albertel 2114: }
1.490 raeburn 2115: if ($env{'form.grade_imsexport'}) {
2116: $result = '';
2117: }
1.159 albertel 2118: } elsif ($target eq 'tex') {
1.319 foxr 2119: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 2120: $result .= &select_metadata_hyphenation();
1.99 sakharuk 2121: }
1.159 albertel 2122: } elsif ($target eq 'edit') {
1.343 albertel 2123: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 2124: $Apache::lonxml::warnings_error_header=
2125: &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 2126: my $temp=&Apache::edit::insertlist($target,$token);
2127: $result.=$temp;
2128: } elsif ($target eq 'modified') {
2129: $result=$token->[4];
2130: } else {
2131: # page_start returned a starting result, delete it if we don't need it
2132: $result = '';
1.99 sakharuk 2133: }
1.159 albertel 2134: return $result;
1.9 albertel 2135: }
2136:
2137: sub end_problem {
1.159 albertel 2138: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 2139: my $result;
1.310 foxr 2140:
1.321 albertel 2141: if (!$Apache::lonxml::metamode) {
2142: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 2143: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2144: }
1.319 foxr 2145:
2146: if ($target eq 'tex') {
1.321 albertel 2147: # Figure out the front matter and replace the
2148: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
2149: # this in end_problem because whether or not we display due
2150: # dates depends on whether due dates have already been
2151: # displayed in the problem parts.
2152:
1.319 foxr 2153: my $frontmatter = '';
2154: my $startminipage = '';
2155: if (not $env{'form.problem_split'}=~/yes/) {
2156: $startminipage = '\begin{minipage}{\textwidth}';
2157: }
2158: my $id = $Apache::inputtags::part;
2159: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
2160: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2161: my @packages = split(/,/,$packages);
1.319 foxr 2162: my $allow_print_points = 0;
2163: foreach my $partial_key (@packages) {
2164: if ($partial_key=~m/^part_0$/) {
2165: $allow_print_points=1;
2166: }
2167: }
2168: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2169: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
2170: if (lc($env{'course.'.$env{'request.course.id'}.
2171: '.disableexampointprint'}) eq 'yes') {
2172: $allow_print_points=0;
2173: }
2174: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 2175: 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 2176: &clear_required_languages();
1.319 foxr 2177: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
2178: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
2179:
2180: # Figure out what the due date is and if we need to print
2181: # it in the problem header. We have been logging the
2182: # last due date written to file.
2183:
2184: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2185: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2186: my $duedate_text = &mt('Due date: [_1]'
2187: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2188: my $temp_file;
2189: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2190:
2191: # Figure out what the last printed due date is or set it
2192: # to the epoch if no duedates have been printed.
2193:
2194: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2195: if (-e $filename) {
2196: $temp_file = Apache::File->new($filename);
2197: my @due_file = <$temp_file>;
2198: $due_file_content = $due_file[$#due_file];
2199: chomp $due_file_content;
2200: }
2201:
2202: # We display the due date iff it is not the same as the last
2203: # duedate in problem header ($due_file_content), and
2204: # none of our parts displayed a duedate.
2205: #
2206: my $parts_with_displayduedate;
2207: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2208: $parts_with_displayduedate =
2209: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2210: } else {
2211: $parts_with_displayduedate = 0;
2212: }
2213: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2214: $temp_file = Apache::File->new('>'.$filename);
2215: print $temp_file "$duetime\n";
2216: if (not $env{'request.symb'} =~ m/\.page_/) {
2217: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2218: $frontmatter .= $begin_doc.
1.448 bisitz 2219: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2220: } else {
2221: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2222: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2223: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2224: }
1.319 foxr 2225: }
2226: } else {
1.448 bisitz 2227: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2228: }
2229: } else {
2230: if (not $env{'request.symb'} =~ m/\.page_/) {
2231: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2232: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2233: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2234: }
1.319 foxr 2235: } else {
1.381 albertel 2236: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2237: }
2238: }
2239: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1.574 raeburn 2240: } elsif ($target eq 'web') {
2241: if ($env{'request.user_in_effect'}) {
2242: &reset_problem_globals('problem');
2243: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
2244: return $result;
2245: }
1.319 foxr 2246: }
2247:
1.159 albertel 2248: my $status=$Apache::inputtags::status['-1'];
2249: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2250: $target eq 'tex') {
1.249 albertel 2251: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2252: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2253: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2254: &Apache::inputtags::grade;
1.324 albertel 2255: } elsif ($status eq 'NEEDS_CHECKIN') {
2256: # no need to grade, and don't want to hide data
1.249 albertel 2257: } else {
2258: # move any submission data to .hidden
2259: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2260: }
1.159 albertel 2261: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2262: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2263: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2264: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2265: # if part is zero, no <part>s existed, so we need show the current
2266: # grading status
2267: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2268: $result.= $gradestatus;
2269: }
2270: if (
1.284 albertel 2271: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2272: ($target eq 'answer') || ($target eq 'tex')
2273: ) {
1.490 raeburn 2274: if (($target ne 'tex') &&
2275: ($env{'form.answer_output_mode'} ne 'tex') &&
2276: (!$env{'form.grade_imsexport'})) {
1.254 www 2277: $result.="</form>";
1.159 albertel 2278: }
2279: if ($target eq 'web') {
1.507 raeburn 2280: #
2281: # Closing </body></html> not added by end_page().
2282: # Added separately at end of this routine, after added
2283: # <script></script> so document will be valid xhtml.
2284: #
1.546 raeburn 2285: my $showdisc = 1;
1.547 raeburn 2286: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
2287: (!$env{'request.role.adv'})) {
2288: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 2289: $showdisc = 0;
1.547 raeburn 2290: my ($symb)= &Apache::lonnet::whichuser();
2291: if ($symb) {
2292: my $navmap = Apache::lonnavmaps::navmap->new();
2293: if (ref($navmap)) {
2294: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
2295: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 2296: # and there are no tries left
1.547 raeburn 2297: unless ($hastries) {
2298: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
2299: my ($score,$incomplete) =
2300: &Apache::lonplacementtest::check_completion(undef,undef,1);
2301: if (!$incomplete) {
2302: $result .= &Apache::lonplacementtest::showresult(1,1);
2303: } elsif ($incomplete < 100) {
2304: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
2305: }
2306: } else {
2307: # For Placement Tests score is displayed if test has just been completed
2308: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
2309: if (!$incomplete) {
2310: $result.= &Apache::lonplacementtest::showresult(1,1);
2311: }
2312: }
2313: }
2314: }
2315: }
1.546 raeburn 2316: }
2317: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 2318: 'notbody' => 1});
1.159 albertel 2319: } elsif ($target eq 'tex') {
1.178 sakharuk 2320: my $endminipage = '';
1.284 albertel 2321: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2322: $endminipage = '\end{minipage}';
2323: }
1.284 albertel 2324: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2325: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2326: } else {
1.262 sakharuk 2327: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2328: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2329: $result .= $endminipage.'\end{document} ';
2330: } else {
1.382 albertel 2331: $result .= $endminipage;
1.262 sakharuk 2332: }
1.159 albertel 2333: }
2334: }
2335: }
1.476 www 2336: if ($target eq 'web') {
1.566 raeburn 2337: $result.=&Apache::functionplotresponse::init_script();
2338: if ($Apache::lonhomework::default_type eq 'randomizetry') {
2339: my ($symb) = &Apache::lonnet::whichuser();
2340: if ((($env{'request.state'} eq 'construct') || ($symb eq '')) &&
2341: ($status eq 'CAN_ANSWER')) {
2342: unless (@Apache::inputtags::partlist > 1) {
2343: $result.= <<"ENDJS";
2344: <script type="text/javascript">
2345: // <![CDATA[
2346: \$(document).ready(function() {
2347: \$('#LC_randomizetry_header').css('display','block');
2348: });
2349: // ]]>
2350: </script>
2351: ENDJS
2352: }
2353: }
2354: }
1.476 www 2355: }
1.159 albertel 2356: if ($target eq 'grade') {
2357: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2358: &finalize_storage();
2359: }
1.284 albertel 2360: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2361: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2362: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2363: # normally we get it from above, but in CSTR
1.172 albertel 2364: # we always show answer mode too.
1.159 albertel 2365: }
2366: } elsif ($target eq 'meta') {
2367: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2368: @Apache::inputtags::response=();
1.159 albertel 2369: $result=&Apache::response::mandatory_part_meta;
2370: }
1.559 raeburn 2371: $result.=&Apache::response::meta_part_order('problem');
1.258 albertel 2372: $result.=&Apache::response::meta_response_order();
1.159 albertel 2373: } elsif ($target eq 'edit') {
2374: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2375: $result .= &problem_edit_footer();
1.320 albertel 2376: } elsif ($target eq 'modified') {
2377: $result .= $token->[2];
1.159 albertel 2378: }
1.155 albertel 2379:
1.284 albertel 2380: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2381: &Apache::inputtags::check_for_duplicate_ids();
2382: }
1.204 albertel 2383:
2384: &reset_problem_globals('problem');
1.159 albertel 2385:
1.502 foxr 2386: #
2387: # This shouild be just above the return so that the
2388: # time put in the javascript is as late as possible in the
2389: # computation:
2390: #
2391: if ($target eq 'web') {
1.578 raeburn 2392: $result .= &Apache::lonhtmlcommon::dash_to_minus_js().
2393: &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2394: #
2395: # Closing tags delayed so any <script></script> tags
2396: # not in head can appear inside body, for valid xhtml.
2397: #
2398: $result .= "</body>\n</html>";
1.502 foxr 2399: }
1.159 albertel 2400: return $result;
1.48 albertel 2401: }
2402:
1.108 albertel 2403:
1.48 albertel 2404: sub start_library {
1.159 albertel 2405: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2406: my ($result,$form_tag_start);
1.371 albertel 2407: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2408: &init_problem_globals('library');
2409: $Apache::lonhomework::type='problem';
2410: }
1.159 albertel 2411: if ($target eq 'edit') {
1.343 albertel 2412: ($result,$form_tag_start)=
2413: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2414: 'Edit');
2415: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2416: my $temp=&Apache::edit::insertlist($target,$token);
2417: $result.=$temp;
2418: } elsif ($target eq 'modified') {
2419: $result=$token->[4];
1.340 albertel 2420: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2421: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2422: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2423: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2424: ($result,$form_tag_start)=
2425: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2426: $name);
1.479 raeburn 2427: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2428: $result.=" \n $form_tag_start".
1.159 albertel 2429: '<input type="hidden" name="submitted" value="yes" />';
2430: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2431: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2432: $result.= '<button type="submit" name="resetdata" '.
2433: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2434: &practice_problem_header().'<hr />';
1.428 raeburn 2435: }
1.159 albertel 2436: }
2437: return $result;
1.48 albertel 2438: }
2439:
2440: sub end_library {
1.159 albertel 2441: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2442: my $result='';
2443: if ($target eq 'edit') {
2444: $result=&problem_edit_footer();
1.371 albertel 2445: } elsif ($target eq 'web'
2446: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2447: && $env{'request.state'} eq "construct") {
1.349 albertel 2448: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.558 raeburn 2449: } elsif ($target eq 'meta') {
1.559 raeburn 2450: $result.=&Apache::response::meta_part_order('library');
1.558 raeburn 2451: $result.=&Apache::response::meta_response_order();
1.159 albertel 2452: }
1.371 albertel 2453: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2454: &reset_problem_globals('library');
2455: }
1.159 albertel 2456: return $result;
1.197 www 2457: }
2458:
2459: sub start_definetag {
1.326 albertel 2460: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2461:
2462: my $result;
2463:
2464: my $name = $token->[2]->{'name'};
1.326 albertel 2465: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2466: if ($target eq 'web') {
2467: if ($name=~/^\//) {
2468: $result=
2469: '<br /><table class="LC_sty_end"><tr><th>'.
2470: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2471: } else {
2472: $result=
2473: '<br /><table class="LC_sty_begin"><tr><th>'.
2474: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2475: }
2476: $skip = &HTML::Entities::encode($skip, '<>&"');
2477: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2478: }
2479: return $result;
2480: }
2481:
2482: sub end_definetag {
2483: return '';
1.1 albertel 2484: }
2485:
2486: sub start_block {
1.201 albertel 2487: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2488:
2489: my $result;
1.1 albertel 2490:
1.339 albertel 2491: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2492: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2493: my $code = $token->[2]->{'condition'};
1.385 albertel 2494: if (defined($code) && $code ne '') {
1.137 albertel 2495: if (!$Apache::lonxml::default_homework_loaded) {
2496: &Apache::lonxml::default_homework_load($safeeval);
2497: }
1.131 albertel 2498: $result = &Apache::run::run($code,$safeeval);
2499: &Apache::lonxml::debug("block :$code: returned :$result:");
2500: } else {
2501: $result='1';
2502: }
2503: if ( ! $result ) {
1.201 albertel 2504: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2505: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2506: }
2507: $result='';
2508: } elsif ($target eq 'edit') {
2509: $result .=&Apache::edit::tag_start($target,$token);
2510: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2511: $token,40);
2512: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2513: } elsif ($target eq 'modified') {
2514: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2515: $safeeval,'condition');
2516: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2517: }
1.131 albertel 2518: return $result;
1.1 albertel 2519: }
2520:
2521: sub end_block {
1.167 www 2522: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2523: my $result;
2524: if ($target eq "edit") {
2525: $result.= &Apache::edit::tag_end($target,$token,'');
2526: }
2527: return $result;
2528: }
1.500 foxr 2529: #
2530: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2531: # ...
2532: # </languageblock>
2533: #
2534: # This declares the intent to provide content that can be rendered in the
2535: # set of languages in the include specificatino but not in the exclude
2536: # specification. If a currently preferred language is in the include list
2537: # the content in the <languageblock>...</languageblock> is rendered
2538: # If the currently preferred language is in the exclude list,
2539: # the content in the <languageblock>..></languageblock is not rendered.
2540: #
2541: # Pathalogical case handling:
2542: # - Include specified, without the preferred language but exclude specified
2543: # also without the preferred langauge results in rendering the block.
2544: # - Exclude specified without include and excluden not containing a
2545: # preferred language renders the block.
2546: # - Include and exclude both specifying the preferred language does not
2547: # render the block.
2548: # - If neither include/exclude is specified, the block gets rendered.
2549: #
2550: # This tag has no effect when target is in {edit, modified}
2551: #
1.167 www 2552: sub start_languageblock {
1.201 albertel 2553: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2554:
1.500 foxr 2555: my $result = '';
1.167 www 2556:
1.339 albertel 2557: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2558: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2559: my $include = $token->[2]->{'include'};
2560: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2561: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2562:
2563: # This should not even happen, since we should at least have the server language
2564:
2565: if (!$preferred_languages[0]) {
2566: $preferred_languages[0]='en';
2567: }
2568:
2569: # Now loop over all languages in order of preference
2570:
2571: my $render;
1.398 www 2572: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2573:
2574: # If neither include/nor exlude is present the block is going
2575: # to get rendered.
2576:
1.399 www 2577: my $found=0;
1.500 foxr 2578: $render=1;
2579:
2580: # If include is specified, don't render the block
2581: # unless the preferred language is included in the set.
2582:
1.398 www 2583: if ($include) {
1.500 foxr 2584: $render=0;
1.398 www 2585: foreach my $included_language (split(/\,/,$include)) {
2586: if ($included_language eq $preferred_language) {
1.500 foxr 2587: $render=1;
1.399 www 2588: $found=1;
1.500 foxr 2589: last; # Only need to find the first.
1.398 www 2590: }
2591: }
2592: }
1.500 foxr 2593: # Do we have an exclude argument?
2594: # If so, and one of the languages matches a preferred language
2595: # inhibit rendering the block. Note that in the pathalogical case the
2596: # author has specified a preferred language in both the include and exclude
2597: # attribte exclude is preferred.
2598:
1.398 www 2599: if ($exclude) {
1.500 foxr 2600: $render=1;
1.398 www 2601: foreach my $excluded_language (split(/\,/,$exclude)) {
2602: if ($excluded_language eq $preferred_language) {
1.500 foxr 2603: $render=0;
1.399 www 2604: $found=1;
1.500 foxr 2605: last; # Only need to find the first.
1.398 www 2606: }
2607: }
2608: }
1.500 foxr 2609: if ($found) {
2610: last; # Done on any match of include or exclude.
2611: }
1.398 www 2612: }
1.500 foxr 2613: # If $render not true skip the entire block until </languageblock>
2614: #
2615:
2616: if ( ! $render ) {
1.201 albertel 2617: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2618: $style);
2619: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2620: }
1.500 foxr 2621: # If $render is true, we've not skipped the contents of the <languageglock>
2622: # and the normal loncapa processing flow will render it as a matter of course.
2623:
1.167 www 2624: } elsif ($target eq 'edit') {
2625: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2626: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2627: $token,40);
1.211 albertel 2628: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2629: $token,40);
2630: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2631: } elsif ($target eq 'modified') {
2632: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2633: $safeeval,'include',
2634: 'exclude');
1.167 www 2635: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2636: }
2637: return $result;
2638: }
2639:
2640: sub end_languageblock {
1.170 www 2641: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2642: my $result;
1.201 albertel 2643: if ($target eq "edit") {
1.170 www 2644: $result.= &Apache::edit::tag_end($target,$token,'');
2645: }
2646: return $result;
2647: }
1.500 foxr 2648: # languagblock specific tags:
2649: {
2650: # For chunks of a resource that has translations, this hash contains
2651: # the translations available indexed by language name.
2652: #
2653:
2654: my %available_texts;
1.170 www 2655:
1.500 foxr 2656: # <translated> starts a block of a resource that has multiple translations.
2657: # See the <lang> tag as well.
2658: # When </translated> is encountered if there is a translation for the
2659: # currently preferred language, that is rendered inthe web/tex/webgrade
2660: # targets. Otherwise, the default text is rendered.
2661: #
2662: # Note that <lang> is only registered for the duration of the
2663: # <translated>...</translated> block
2664: #
2665: # Pathalogical case handling:
2666: # - If there is no <lang> that specifies a 'default' and there is no
2667: # translation that matches a preferred language, nothing is rendered.
2668: # - Nested <translated>...</translated> might be linguistically supported by
2669: # XML due to the stack nature of tag registration(?) however the rendered
2670: # output will be incorrect because there is only one %available_texts
2671: # has and end_translated clears it.
2672: # - Material outside of a <lang>...</lang> block within the
2673: # <translated>...<translated> block won't render either e.g.:
2674: # <translated>
2675: # The following will be in your preferred langauge:
2676: # <lang which='en'>
2677: # This section in english
2678: # </lang>
2679: # <lang which='sgeiso'>
2680: # Hier es ist auf Deutsch.
2681: # </lang>
2682: # <lang which='sfriso'>
2683: # En Francais
2684: # </lang>
2685: # </translated>
2686: #
2687: # The introductory text prior to the first <lang> tag is not rendered.
2688: #
1.397 albertel 2689: sub start_translated {
2690: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2691: &Apache::lonxml::register('Apache::structuretags',('lang'));
2692: undef(%available_texts);
2693: }
2694:
2695: sub end_translated {
2696: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2697: my $result;
2698: #show the translation on viewable targets
2699: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2700: # or non-viewable targets, if it's embedded in something that
2701: # wants the output
2702: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2703: && &Apache::lonxml::in_redirection() ) ) {
2704: my @possibilities = keys(%available_texts);
2705: my $which =
2706: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2707: if ($target eq 'tex') {
2708: $result = &select_hyphenation($which);
2709: }
2710: $result .= $available_texts{$which};
2711: if ($target eq 'tex') {
2712: $result .= &select_metadata_hyphenation(); # Restore original language.
2713: }
1.397 albertel 2714: }
2715: undef(%available_texts);
2716: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2717: return $result;
2718: }
2719:
1.500 foxr 2720: # <lang [which='language-name'] [other='lang1,lang2...']>
2721: # Specifies that the block contained within it is a translation
2722: # for a specific language specified by the 'which' attribute. The
2723: # 'other' attribute can be used by itself or in conjunction with
2724: # which to specify this tag _may_ be used as a translation for some
2725: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2726: # specifying that the block provides a translation for US (primary)
2727: # Canadian, Australian and UK Englush.
2728: #
2729: # Comment: this seems a bit silly why not just support a list of languages
2730: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2731: #
2732: # Effect:
2733: # The material within the <lang>..</lang> block is stored in the
2734: # specified set of $available_texts hash entries, the appropriate one
2735: # is selected at </translated> time.
2736: #
2737: # Pathalogical case handling:
2738: # If a language occurs multiple times within a <translated> block,
2739: # only the last one is rendered e.g.:
2740: #
2741: # <translated>
2742: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2743: # Red green color blindness is quite common affecting about 7.8% of
2744: # the male population, but onloy about .65% of the female population.
2745: # </lang>
2746: # Red green colour blindness is quite common affecting about 7.8% of
2747: # the male population, but onloy about .65% of the female population.
2748: # <lang which='seniso', other='senisoCA,senisoAU'>
2749: # </translated>
2750: #
2751: # renders the correct spelling of color (colour) for people who have specified
2752: # a preferred language that is one of the British Commonwealth languages
2753: # even though those are also listed as valid selections for the US english
2754: # <lang> block.
2755: #
1.397 albertel 2756: sub start_lang {
2757: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2758: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2759: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2760: &Apache::lonxml::startredirection();
2761: }
2762: return '';
2763: }
2764:
2765: sub end_lang {
2766: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2767: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2768: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2769: my $result = &Apache::lonxml::endredirection();
2770: my $which = &Apache::lonxml::get_param('which',$parstack,
2771: $safeeval);
1.431 raeburn 2772: if ($which=~/\w/) {
2773: $available_texts{$which} = $result;
2774: }
2775: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2776: $safeeval);
2777: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2778: if ($language=~/\w/) {
2779: $available_texts{$language} = $result;
2780: }
1.427 bisitz 2781: }
2782:
1.397 albertel 2783: }
2784: return '';
2785: }
1.500 foxr 2786: } # end langauge block specific tags.
2787:
1.397 albertel 2788:
1.170 www 2789: sub start_instructorcomment {
1.201 albertel 2790: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2791:
2792: my $result;
2793:
1.339 albertel 2794: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2795: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2796: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2797: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2798: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2799: $parser,$style);
1.170 www 2800: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2801: }
2802: $result='';
2803: } elsif ($target eq 'edit') {
2804: $result .=&Apache::edit::tag_start($target,$token);
2805: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2806: }
2807: return $result;
2808: }
2809:
2810: sub end_instructorcomment {
1.159 albertel 2811: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2812: my $result;
2813: if ($target eq "edit") {
2814: $result.= &Apache::edit::tag_end($target,$token,'');
2815: }
2816: return $result;
1.4 tsai 2817: }
2818:
2819: sub start_while {
1.326 albertel 2820: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2821:
1.160 albertel 2822: my $result;
1.339 albertel 2823: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2824: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2825: my $code = $token->[2]->{'condition'};
1.4 tsai 2826:
1.160 albertel 2827: push( @Apache::structuretags::whileconds, $code);
2828: if (!$Apache::lonxml::default_homework_loaded) {
2829: &Apache::lonxml::default_homework_load($safeeval);
2830: }
2831: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2832: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2833: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2834: push( @Apache::structuretags::whileline, $token->[5]);
2835: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2836: if ( $result ) {
2837: &Apache::lonxml::newparser($parser,\$bodytext);
2838: }
2839: } elsif ($target eq 'edit') {
2840: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2841: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2842: $token,40);
2843: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2844: } elsif ($target eq 'modified') {
2845: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2846: $safeeval,'condition');
2847: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2848: }
1.160 albertel 2849: return $result;
1.4 tsai 2850: }
2851:
2852: sub end_while {
1.159 albertel 2853: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2854: my $result;
2855:
1.339 albertel 2856: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2857: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2858: my $code = pop(@Apache::structuretags::whileconds);
2859: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2860: my $line = pop(@Apache::structuretags::whileline);
2861: my $return = &Apache::run::run($code,$safeeval);
2862: my $starttime=time;
2863: my $error=0;
2864: while ($return) {
2865: if (time-$starttime >
2866: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2867: $return = 0; $error=1; next;
1.161 albertel 2868: }
2869: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2870: if ($target eq 'grade' || $target eq 'answer' ||
2871: $target eq 'analyze') {
2872: # grade/answer/analyze should produce no output but if we
2873: # are redirecting, the redirecter should know what to do
2874: # with the output
2875: if (!$Apache::lonxml::redirection) { undef($result); }
2876: }
1.161 albertel 2877: $return = &Apache::run::run($code,$safeeval);
2878: }
1.516 bisitz 2879: if ($error) {
2880: &Apache::lonxml::error(
2881: '<pre>'
2882: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2883: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2884: .&mt('This occurred while running <while> on line [_1].',
2885: $line)
2886: .'</pre>');
2887: }
1.160 albertel 2888: } elsif ($target eq "edit") {
2889: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2890: }
1.160 albertel 2891: return $result;
1.1 albertel 2892: }
1.6 tsai 2893:
1.160 albertel 2894: # <randomlist show="1">
1.6 tsai 2895: # <tag1>..</tag1>
2896: # <tag2>..</tag2>
2897: # <tag3>..</tag3>
1.160 albertel 2898: # ...
1.6 tsai 2899: # </randomlist>
2900: sub start_randomlist {
1.326 albertel 2901: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2902: my $result;
1.339 albertel 2903: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2904: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2905: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2906: my $b_parser= HTML::LCParser->new(\$body);
2907: $b_parser->xml_mode(1);
2908: $b_parser->marked_sections(1);
1.159 albertel 2909: my $b_tok;
2910: my @randomlist;
2911: my $list_item;
2912: while($b_tok = $b_parser->get_token() ) {
2913: if($b_tok->[0] eq 'S') { # start tag
2914: # get content of the tag until matching end tag
2915: # get all text upto the matching tag
2916: # and push the content into @randomlist
2917: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2918: $b_parser);
2919: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2920: push(@randomlist,$list_item);
2921: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2922: # $list_item</b>";
2923: }
2924: if($b_tok->[0] eq 'T') { # text
2925: # what to do with text in between tags?
2926: # print "<b>TEXT $b_tok->[1]</b><br />";
2927: }
2928: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2929: # print "<b>END-TAG $b_tok->[1]</b><br />";
2930: # }
2931: }
1.303 albertel 2932: if (@randomlist) {
2933: my @idx_arr = (0 .. $#randomlist);
1.555 raeburn 2934: if ($env{'form.code_for_randomlist'}) {
2935: &Apache::structuretags::shuffle(\@idx_arr,$target);
2936: undef($env{'form.code_for_randomlist'});
2937: } else {
2938: &Apache::structuretags::shuffle(\@idx_arr);
2939: }
1.303 albertel 2940: my $bodytext = '';
2941: my $show=$#randomlist;
2942: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2943: $showarg--;
2944: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2945: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2946: my @currlist;
2947: my $part = $Apache::inputtags::part;
2948: if ($part ne '') {
2949: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2950: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2951: if (!(grep(/^\Q$part\E$/,@currlist))) {
2952: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2953: }
2954: } else {
2955: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2956: }
2957: }
2958: }
1.526 raeburn 2959: for my $i (0 .. $show) {
2960: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2961: }
2962: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2963: }
2964: } elsif ($target eq 'edit' ) {
2965: $result .=&Apache::edit::tag_start($target,$token);
2966: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2967: $token,5);
2968: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2969: } elsif ($target eq 'modified' ) {
2970: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2971: $safeeval,'show');
2972: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2973: }
2974: return $result;
1.7 tsai 2975: }
2976:
2977: sub shuffle {
1.555 raeburn 2978: my ($a,$target) = @_;
1.7 tsai 2979: my $i;
1.303 albertel 2980: if (ref($a) eq 'ARRAY' && @$a) {
1.555 raeburn 2981: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2982: for($i=@$a;--$i;) {
2983: my $j=int(&Math::Random::random_uniform() * ($i+1));
2984: next if $i == $j;
2985: @$a[$i,$j] = @$a[$j,$i];
2986: }
1.251 albertel 2987: &Apache::response::poprandomnumber();
1.7 tsai 2988: }
1.6 tsai 2989: }
2990:
2991: sub end_randomlist {
1.159 albertel 2992: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2993: my $result;
2994: if ($target eq 'edit' ) {
2995: $result=&Apache::edit::tag_end($target,$token,
2996: 'End Randomly Parsed Block');
2997: }
2998: return $result;
1.6 tsai 2999: }
3000:
1.283 albertel 3001: sub ordered_show_check {
3002: my $last_part=$Apache::inputtags::partlist[-2];
3003: my $in_order=
3004: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
3005: my $in_order_show=1;
3006: if ($last_part ne '0' && lc($in_order) eq 'yes') {
3007: $in_order_show=&Apache::response::check_status($last_part);
3008: }
3009: return $in_order_show;
3010: }
3011:
1.469 www 3012:
3013: sub start_startpartmarker {
3014: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3015: my $result='';
3016: if ($target eq 'edit') {
3017: $result=&Apache::edit::tag_start($target,$token);
3018: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
3019: $result.=&Apache::edit::end_table();
3020:
3021: }
3022: return $result;
3023: }
3024:
3025: sub end_startpartmarker {
3026: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3027: my @result;
3028: if ($target eq 'edit') { $result[1]='no'; }
3029: return @result;
3030: }
3031:
3032: sub start_endpartmarker {
3033: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3034: my $result='';
3035: if ($target eq 'edit') {
3036: $result=&Apache::edit::tag_start($target,$token);
3037: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
3038: $result.=&Apache::edit::end_table();
3039:
3040: }
3041: return $result;
3042: }
3043:
3044: sub end_endpartmarker {
3045: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3046: my @result;
3047: if ($target eq 'edit') { $result[1]='no'; }
3048: return @result;
3049: }
3050:
3051:
3052:
3053:
3054:
1.11 albertel 3055: sub start_part {
1.326 albertel 3056: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 3057: if (!$Apache::lonxml::metamode) {
3058: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
3059: # duedates.
3060: }
1.159 albertel 3061: my $result='';
1.386 albertel 3062: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 3063: $Apache::inputtags::part=$id;
1.177 albertel 3064: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 3065: $Apache::inputtags::leniency='';
1.177 albertel 3066: @Apache::inputtags::response=();
1.159 albertel 3067: @Apache::inputtags::previous=();
3068: @Apache::inputtags::previous_version=();
1.405 albertel 3069: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 3070: &Apache::response::reset_params();
3071:
1.159 albertel 3072: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 3073: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
3074: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 3075: if ($Apache::lonhomework::type eq 'randomizetry') {
3076: my $rndseed=&setup_rndseed($safeeval,$target);
3077: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 3078: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 3079: }
1.570 raeburn 3080: } elsif (@Apache::inputtags::partlist > 1) {
3081: my $prevparttype = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[-2].type");
3082: if ($prevparttype eq 'randomizetry') {
3083: my $rndseed=&setup_rndseed($safeeval,$target,'',$prevparttype);
3084: if (($target eq 'grade') && &Apache::response::submitted()) {
3085: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
3086: }
3087: }
1.528 raeburn 3088: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 3089: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 3090: }
1.283 albertel 3091: my $in_order_show=&ordered_show_check();
1.214 albertel 3092: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 3093: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 3094: &Apache::run::run($expression,$safeeval);
1.159 albertel 3095:
3096: if ($target eq 'meta') {
1.224 www 3097: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
3098: return &Apache::response::mandatory_part_meta.
3099: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 3100: } elsif ($target eq 'web' || $target eq 'grade' ||
3101: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 3102: if ($hidden || !$in_order_show) {
1.326 albertel 3103: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 3104: } else {
3105: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
3106: push (@Apache::inputtags::status,$status);
3107: my $expression='$external::datestatus="'.$status.'";';
3108: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
3109: &Apache::run::run($expression,$safeeval);
1.284 albertel 3110: if ($env{'request.state'} eq 'construct') {
1.241 albertel 3111: &set_problem_state($Apache::inputtags::part);
1.240 albertel 3112: }
1.216 albertel 3113: if (( $status eq 'CLOSED' ) ||
3114: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 3115: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 3116: ( $status eq 'BANNED') ||
3117: ( $status eq 'UNAVAILABLE') ||
3118: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 3119: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
3120: $style);
1.159 albertel 3121: if ( $target eq "web" ) {
1.211 albertel 3122: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 3123: } elsif ( $target eq 'tex' ) {
1.284 albertel 3124: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 3125: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 3126: } else {
1.211 albertel 3127: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 3128: }
1.159 albertel 3129: }
3130: } else {
3131: if ($target eq 'tex') {
1.284 albertel 3132: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 3133: if ($$tagstack[-2] eq 'td') {
1.388 foxr 3134: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 3135: } else {
3136: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
3137: }
1.195 sakharuk 3138: }
1.159 albertel 3139: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 3140: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 3141: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 3142: my $allow_print_points = 0;
3143: foreach my $partial_key (@allkeys) {
1.230 albertel 3144: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 3145: if ($1 ne '0') {$allow_print_points=1;}
3146: }
3147: }
1.275 albertel 3148: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
3149: if (defined($maxtries) && $maxtries < 0) {
3150: $allow_print_points=0;
3151: }
1.302 albertel 3152: if (lc($env{'course.'.$env{'request.course.id'}.
3153: '.disableexampointprint'}) eq 'yes') {
3154: $allow_print_points=0;
3155: }
1.463 foxr 3156: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 3157: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 3158:
3159: }
1.233 www 3160: } elsif ($target eq 'web') {
1.479 raeburn 3161: if ($status eq 'CAN_ANSWER') {
3162: my $problemstatus = &get_problem_status($Apache::inputtags::part);
3163: my $num = scalar(@Apache::inputtags::partlist)-1;
1.567 raeburn 3164: if ((($Apache::lonhomework::default_type eq 'randomizetry') ||
3165: ($Apache::lonhomework::randomizetrypart)) &&
1.566 raeburn 3166: ($Apache::lonhomework::type ne 'randomizetry')) {
3167: $result .= &randomizetry_part_header($problemstatus,'none',$num);
3168: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
3169: $Apache::lonhomework::randomizetrypart = 1;
3170: my $reqtries = &Apache::lonnet::EXT("resource.$id.randomizeontries");
1.479 raeburn 3171: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
3172: }
3173: }
1.475 raeburn 3174: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 3175: }
3176: }
3177: }
3178: } elsif ($target eq 'edit') {
3179: $result.=&Apache::edit::tag_start($target,$token);
3180: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
3181: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 3182: ' '.
3183: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 3184: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
3185: } elsif ($target eq 'modified') {
3186: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 3187: $safeeval,'id','display');
1.159 albertel 3188: if ($constructtag) {
1.225 albertel 3189: #limiting ids to only letters numbers, and space
1.224 www 3190: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 3191: $result = &Apache::edit::rebuild_tag($token);
3192: }
3193: }
3194: return $result;
1.11 albertel 3195: }
3196:
3197: sub end_part {
1.159 albertel 3198: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3199: &Apache::lonxml::debug("in end_part $target ");
3200: my $status=$Apache::inputtags::status['-1'];
3201: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 3202: my $in_order_show=&ordered_show_check();
1.321 albertel 3203: my $result;
3204: if (!$Apache::lonxml::metamode) {
3205: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 3206: $Apache::lonxml::post_evaluate=0;
1.321 albertel 3207: }
1.312 albertel 3208: if ($target eq 'grade') {
1.249 albertel 3209: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 3210: !$hidden && $in_order_show) {
1.311 foxr 3211: $result.=&Apache::inputtags::grade;
1.249 albertel 3212: } else {
3213: # move any submission data to .hidden
3214: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3215: }
1.283 albertel 3216: } elsif (($target eq 'web' || $target eq 'tex') &&
3217: !$hidden && $in_order_show) {
1.159 albertel 3218: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3219: $target);
1.490 raeburn 3220: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3221: ($env{'form.grade_imsexport'})) {
1.212 albertel 3222: $gradestatus='';
3223: }
1.311 foxr 3224: $result.=$gradestatus;
1.572 raeburn 3225: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {
3226: if (not $env{'form.problem_split'}=~/yes/) {
3227: $result.='\end{minipage}';
3228: }
1.573 raeburn 3229: }
1.181 albertel 3230: } elsif ($target eq 'edit') {
1.311 foxr 3231: $result.=&Apache::edit::end_table();
1.322 albertel 3232: } elsif ($target eq 'modified') {
3233: $result .= $token->[2];
1.159 albertel 3234: }
3235: pop @Apache::inputtags::status;
3236: $Apache::inputtags::part='';
1.536 raeburn 3237: $Apache::inputtags::leniency='';
1.295 albertel 3238: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3239: return $result;
1.11 albertel 3240: }
1.1 albertel 3241:
1.25 albertel 3242: sub start_preduedate {
1.326 albertel 3243: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3244: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3245: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3246: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3247: if (!$Apache::lonhomework::scantronmode &&
3248: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3249: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3250: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3251: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3252: }
1.24 albertel 3253: }
1.159 albertel 3254: return '';
1.24 albertel 3255: }
3256:
1.25 albertel 3257: sub end_preduedate {
1.159 albertel 3258: return '';
1.24 albertel 3259: }
3260:
1.369 foxr 3261: # In all the modes where <postanswerdate> text is
3262: # displayable, all we do is eat up the text between the start/stop
3263: # tags if the conditions are not right to display it.
1.25 albertel 3264: sub start_postanswerdate {
1.326 albertel 3265: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3266: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3267: &Apache::lonnet::allowed('pav',
3268: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3269: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3270: $target eq 'tex' ) {
1.300 albertel 3271: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3272: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3273: (($target eq 'tex') && !$pav)) {
1.326 albertel 3274: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3275: }
3276: }
3277: return '';
1.24 albertel 3278: }
3279:
1.25 albertel 3280: sub end_postanswerdate {
1.159 albertel 3281: return '';
1.24 albertel 3282: }
3283:
1.25 albertel 3284: sub start_notsolved {
1.326 albertel 3285: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3286: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3287: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3288: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3289: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3290: if ($gradestatus =~ /^correct/ &&
3291: &Apache::response::show_answer()) {
1.159 albertel 3292: &Apache::lonxml::debug("skipping");
1.326 albertel 3293: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3294: }
1.24 albertel 3295: }
1.159 albertel 3296: return '';
1.24 albertel 3297: }
3298:
1.25 albertel 3299: sub end_notsolved {
1.159 albertel 3300: return '';
1.24 albertel 3301: }
3302:
3303: sub start_solved {
1.326 albertel 3304: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3305: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3306: $target eq 'tex') {
3307: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3308: if ($gradestatus !~ /^correct/ ||
3309: !&Apache::response::show_answer()) {
1.326 albertel 3310: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3311: }
1.24 albertel 3312: }
1.159 albertel 3313: return '';
1.24 albertel 3314: }
3315:
3316: sub end_solved {
1.248 albertel 3317: return '';
3318: }
3319:
3320: sub start_problemtype {
1.326 albertel 3321: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3322: my $result;
1.339 albertel 3323: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3324: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3325: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3326: if (!defined($mode)) { $mode='show'; }
3327: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3328: my $found=0;
3329: foreach my $type (split(',',$for)) {
3330: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3331: }
3332: if ($mode eq 'show' && !$found) {
1.326 albertel 3333: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3334: }
3335: if ($mode eq 'hide' && $found) {
1.326 albertel 3336: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3337: }
3338: } elsif ($target eq 'edit') {
3339: $result .=&Apache::edit::tag_start($target,$token);
3340: $result.=&Apache::edit::select_arg('Mode:','mode',
3341: [['show','Show'],
3342: ['hide','Hide']]
3343: ,$token);
3344: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 3345: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 3346: ['survey','Survey'],
1.465 raeburn 3347: ['surveycred','Survey (with credit)'],
3348: ['anonsurvey','Anonymous Survey'],
3349: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3350: ['problem','Homework Problem'],
1.479 raeburn 3351: ['practice','Practice Problem'],
3352: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3353: ,$token);
3354: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3355: } elsif ($target eq 'modified') {
3356: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3357: $safeeval,'mode','for');
3358: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3359: }
3360: return $result;
3361: }
3362:
3363: sub end_problemtype {
1.159 albertel 3364: return '';
1.24 albertel 3365: }
1.34 albertel 3366:
3367: sub start_startouttext {
1.159 albertel 3368: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3369: my @result=(''.'');
3370: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3371:
3372: my $nesting =
3373: &Apache::lonxml::set_state('outtext',
3374: &Apache::lonxml::get_state('outtext')+1);
3375: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3376: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3377: }
1.159 albertel 3378: return (@result);
1.34 albertel 3379: }
1.159 albertel 3380:
1.34 albertel 3381: sub end_startouttext {
1.326 albertel 3382: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3383: my $result='';
3384: my $text='';
3385: if ($target eq 'edit') {
1.424 foxr 3386: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3387: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3388: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3389: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3390: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3391: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3392: .'</span></td>'
1.550 raeburn 3393: .'<td><span id="math_'.$areaid.'">';
1.579 raeburn 3394: if (&Apache::loncommon::nocodemirror()) {
1.550 raeburn 3395: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3396: } else {
3397: $result.=' ';
3398: }
3399: $result.='</span></td>'
1.474 raeburn 3400: .'<td>'
3401: .&Apache::edit::insertlist($target,$token)
3402: .'</td>'
1.515 golterma 3403: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3404: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3405: &Apache::edit::end_row().
1.362 albertel 3406: &Apache::edit::start_spanning_row()."\n".
1.255 www 3407: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3408: }
3409: if ($target eq 'modified') {
1.219 albertel 3410: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3411: }
3412: if ($target eq 'tex') {
3413: $result .= '\noindent ';
3414: }
3415: return $result;
1.34 albertel 3416: }
1.159 albertel 3417:
1.34 albertel 3418: sub start_endouttext {
1.159 albertel 3419: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3420: my $result='';
3421: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3422: if ($target eq "modified") {
3423: $result='<endouttext />'.
1.377 albertel 3424: &Apache::edit::handle_insertafter('startouttext');
3425: }
1.404 albertel 3426:
3427: my $nesting =
3428: &Apache::lonxml::set_state('outtext',
3429: &Apache::lonxml::get_state('outtext')-1);
3430: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3431: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3432: &Apache::lonxml::set_state('outtext', 0);
3433: }
1.159 albertel 3434: return $result;
1.34 albertel 3435: }
1.159 albertel 3436:
1.34 albertel 3437: sub end_endouttext {
1.159 albertel 3438: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3439: my @result=('','');
3440: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3441: return (@result);
1.34 albertel 3442: }
1.159 albertel 3443:
1.45 albertel 3444: sub delete_startouttext {
1.326 albertel 3445: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3446: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3447: my $text=$$parser['-1']->get_text("/endouttext");
3448: my $ntoken=$$parser['-1']->get_token();
3449: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3450: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3451: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3452: # they did the last time round
3453: &Apache::lonxml::increasedepth($ntoken);
3454: &Apache::lonxml::decreasedepth($ntoken);
3455: return 1;
1.193 www 3456: }
3457:
3458: sub start_simpleeditbutton {
3459: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3460: my $result='';
1.284 albertel 3461: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3462: ($target eq 'web') &&
1.330 albertel 3463: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3464: my $url=$env{'request.noversionuri'};
1.193 www 3465: $url=~s/\?.*$//;
1.367 albertel 3466: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3467: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3468: # $result='<p class="LC_warning">'
3469: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3470: # .&Apache::loncommon::help_open_topic('Caching')
3471: # .'</p>';
1.486 www 3472: $result.=&Apache::loncommon::head_subbox(
3473: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3474: .&Apache::lonhtmlcommon::add_item_funclist(
3475: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3476: .&mt('Edit').'</a>')
1.486 www 3477: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3478:
1.193 www 3479: }
3480: return $result;
3481: }
3482:
3483: sub end_simpleeditbutton {
3484: return '';
1.45 albertel 3485: }
1.34 albertel 3486:
1.428 raeburn 3487: sub practice_problem_header {
1.556 raeburn 3488: return '<h3 class="LC_info">'.&mt('Practice Problem').'</h3>'.
1.428 raeburn 3489: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3490: '</span>';
3491: }
3492:
1.479 raeburn 3493: sub randomizetry_problem_header {
1.566 raeburn 3494: my ($problemstatus,$reqtries,$symb) = @_;
1.479 raeburn 3495: my ($header,$text);
3496: if ($reqtries > 1) {
3497: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3498: if (($problemstatus eq 'no') ||
3499: ($problemstatus eq 'no_feedback_ever')) {
3500: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3501: } else {
3502: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3503: }
3504: } else {
3505: $header = &mt('New Problem Variation Each Try');
3506: if (($problemstatus eq 'no') ||
3507: ($problemstatus eq 'no_feedback_ever')) {
3508: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3509:
3510: } else {
3511: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3512: }
3513: }
1.566 raeburn 3514: if (($env{'request.state'} eq "construct") || ($symb eq '')) {
3515: return '<div class="LC_info" id="LC_randomizetry_header" style="display:none">'.
3516: '<h3>'.$header.'</h3><span class="LC_info">'.$text.'</span><hr /></div>';
3517: } else {
3518: return '<h3 class="LC_info">'.$header.'</h3>'.
3519: '<span class="LC_info">'.$text.'</span><hr />';
3520: }
1.479 raeburn 3521: }
3522:
3523: sub randomizetry_part_header {
3524: my ($problemstatus,$reqtries,$num) = @_;
3525: my ($header,$text);
3526: if ($reqtries eq 'none') {
3527: $header = &mt('No Question Variation');
1.570 raeburn 3528: $text = &mt('For this question there will be no new variation after a try.');
1.479 raeburn 3529: } elsif ($reqtries > 1) {
3530: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3531: if (($problemstatus eq 'no') ||
3532: ($problemstatus eq 'no_feedback_ever')) {
3533: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3534: } else {
3535: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3536: }
3537: } else {
3538: $header = &mt('New Question Variation For Each Try');
3539: if (($problemstatus eq 'no') ||
3540: ($problemstatus eq 'no_feedback_ever')) {
3541: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3542: } else {
3543: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3544: }
3545: }
3546: my $output;
3547: if ($num > 1) {
3548: $output .= '<hr />';
3549: }
1.556 raeburn 3550: $output .= '<h4 class="LC_info">'.$header.'</h4>'.
1.479 raeburn 3551: '<span class="LC_info">'.$text.'</span><br /><br />';
3552: return $output;
3553: }
3554:
1.1 albertel 3555: 1;
3556: __END__
1.435 jms 3557:
3558: =pod
3559:
3560: =back
3561:
3562: =cut
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