Annotation of loncom/homework/structuretags.pm, revision 1.580
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.580 ! raeburn 4: # $Id: structuretags.pm,v 1.579 2023/11/07 12:26:00 raeburn Exp $
1.74 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.254 www 28: ###
1.54 www 29:
1.435 jms 30: =pod
31:
32: =head1 NAME
33:
34: Apache::structuretags
35:
36: =head1 SYNOPSIS
37:
38:
39: This is part of the LearningOnline Network with CAPA project
40: described at http://www.lon-capa.org.
41:
42:
43: =head1 NOTABLE SUBROUTINES
44:
45: =over
46:
47: =item
48:
49: =back
50:
51: =cut
52:
1.133 sakharuk 53:
1.1 albertel 54: package Apache::structuretags;
55:
56: use strict;
57: use Apache::lonnet;
1.101 sakharuk 58: use Apache::File();
1.147 www 59: use Apache::lonmenu;
1.210 albertel 60: use Apache::lonlocal;
1.231 sakharuk 61: use Apache::lonxml;
1.434 foxr 62: use Apache::londefdef;
1.338 albertel 63: use Apache::lonenc();
1.500 foxr 64: use Apache::loncommon();
1.575 raeburn 65: use Apache::lonnavmaps;
1.267 albertel 66: use Time::HiRes qw( gettimeofday tv_interval );
1.571 raeburn 67: use HTML::Entities();
1.356 www 68: use lib '/home/httpd/lib/perl/';
69: use LONCAPA;
70:
1.78 harris41 71: BEGIN {
1.553 damieng 72: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','print','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startpartmarker','startouttext','endpartmarker','endouttext','simpleeditbutton','definetag'));
1.10 albertel 73: }
74:
1.500 foxr 75:
76: #---------------------------------------------------------------------------------
77: #
78: # This section of code deals with hyphenation management.
79: # We must do three things:
80: # - keep track fo the desired languages to alter the header.
81: # - provide hyphenation selection as needed by each language that appears in the
82: # text.
83: # - Provide the header text needed to make available the desired hyphenations.
84: #
85: #
86:
87: # Hash whose keys are the languages encountered in the document/resource.
88: #
89:
90: my %languages_required;
91: ##
92: # Given a language selection as input returns a chunk of LaTeX that
93: # selects the required hyphenator.
94: #
95: # @param language - the language being selected.
96: # @return string
97: # @retval The LaTeX needed to select the hyphenation appropriate to the language.
98: #
99: sub select_hyphenation {
100: my $language = shift;
101:
102: $language = &Apache::loncommon::latexlanguage($language); # Translate -> latex language.
103:
104: # If there is no latex language there's not much we can do:
105:
106: if ($language) {
107: &require_language($language);
108: my $babel_hyphenation = "\\selectlanguage{$language}";
109:
110: return $babel_hyphenation;
111: } else {
112: return '';
113: }
114: }
115: ##
116: # Selects hyphenation based on the current problem metadata.
117: # This requires that
118: # - There is a language metadata item set for the problem.
119: # - The language has a latex/babel hyphenation.
120: #
121: # @note: Uses &Apache::lonxml::request to locate the Uri associated with
122: # this problem.
123: # @return string (possibly empty).
124: # @retval If not empty an appropriate \selectlanguage{} directive.
125: #
126: sub select_metadata_hyphenation {
127: my $uri = $Apache::lonxml::request->uri;
128: my $language = &Apache::lonnet::metadata($uri, 'language');
129: my $latex_language = &Apache::loncommon::latexhyphenation($language);
130: if ($latex_language) {
131: return '\selectlanguage{'.$latex_language."}\n";
132: }
133: return ''; # no latex hyphenation or no lang metadata.
134: }
135:
136:
137: ##
138: # Clears the set of languages required by the document being rendered.
139: #
140: sub clear_required_languages {
141: %languages_required = ();
142: }
143: ##
144: # Allows an external client of this module to register a need for a language:
145: #
146: # @param LaTeX language required:
147: #
148: sub require_language {
149: my $language = shift;
150: $languages_required{$language} = 1;
151: }
152:
153: ##
154: # Provides the header for babel that indicates the languages
155: # the document requires.
156: # @return string
157: # @retval \usepackage[lang1,lang2...]{babel}
158: # @retval '' if there are no languages_required.
159: sub languages_header {
160: my $header ='';
161: my @languages = (keys(%languages_required));
162:
163: # Only generate the header if there are languages:
164:
165: if (scalar @languages) {
166: my $language_list = join(',', (@languages));
167: $header = '\usepackage['.$language_list."]{babel}\n";
168: }
169: return $header;
170: }
171:
172: #----------------------------------------------------------------------------------
173:
1.10 albertel 174: sub start_web {
1.326 albertel 175: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.383 albertel 176: if ($target ne 'edit' && $target ne 'modified') {
177: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
178: if ($target eq 'web' || $target eq 'webgrade') {
179: return $bodytext;
180: }
181: } elsif ($target eq "edit" ) {
182: my $bodytext =
183: &Apache::lonxml::get_all_text_unbalanced("/web",$parser);
184: my $result = &Apache::edit::tag_start($target,$token);
185: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
186: return $result;
187: } elsif ( $target eq "modified" ) {
188: return $token->[4].&Apache::edit::modifiedfield("/web",$parser);
1.159 albertel 189: }
190: return '';
1.10 albertel 191: }
192:
193: sub end_web {
1.44 ng 194: return '';
1.10 albertel 195: }
196:
1.553 damieng 197: sub start_print {
198: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
199: if ($target ne 'edit' && $target ne 'modified') {
200: if ($target ne 'tex') {
201: my $skip = &Apache::lonxml::get_all_text("/print",$parser,$style);
202: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
203: }
204: } elsif ($target eq "edit") {
205: my $bodytext = &Apache::lonxml::get_all_text_unbalanced("/print",$parser);
206: my $result = &Apache::edit::tag_start($target,$token);
207: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
208: return $result;
209: } elsif ($target eq "modified") {
210: return $token->[4].&Apache::edit::modifiedfield("/print",$parser);
211: }
212: return '';
213: }
214:
215: sub end_print {
216: return '';
217: }
218:
1.10 albertel 219: sub start_tex {
1.326 albertel 220: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.198 sakharuk 221: my $result='';
1.383 albertel 222: if ($target ne 'edit' && $target ne 'modified') {
223: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
224: if ($target eq 'tex') {
1.434 foxr 225:
226: # If inside a table, occurrences of \\ must be removed;
227: # else the table blows up.
228:
229: if (&Apache::londefdef::is_inside_of($tagstack, "table")) {
230: $bodytext =~ s/\\\\//g;
231: }
1.432 foxr 232: return $bodytext.'{}';
1.383 albertel 233: }
234: } elsif ($target eq "edit" ) {
235: my $bodytext =
236: &Apache::lonxml::get_all_text_unbalanced("/tex",$parser);
237: my $result = &Apache::edit::tag_start($target,$token);
238: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
239: return $result;
240: } elsif ( $target eq "modified" ) {
241: return $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
1.159 albertel 242: }
1.198 sakharuk 243: return $result;;
1.10 albertel 244: }
245:
246: sub end_tex {
1.44 ng 247: return '';
1.9 albertel 248: }
249:
1.400 albertel 250: sub homework_js {
1.531 raeburn 251: my ($postsubmit,$timeout);
252: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
1.546 raeburn 253: my $crstype = &Apache::loncommon::course_type();
254: if ($crstype eq 'Community') {
1.531 raeburn 255: $crstype = 'community';
1.546 raeburn 256: } elsif ($crstype eq 'Placement') {
257: $crstype = 'placement';
1.531 raeburn 258: } else {
259: if ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) {
260: $crstype = 'official';
261: } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.textbook'}) {
262: $crstype = 'textbook';
263: } else {
264: $crstype = 'unofficial';
265: }
266: }
267: $postsubmit = $env{'course.'.$env{'request.course.id'}.'.internal.postsubmit'};
268: if ($postsubmit eq '') {
269: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
270: $postsubmit = $domdefs{'postsubmit'};
271: unless ($postsubmit eq 'off') {
272: $timeout = $domdefs{$crstype.'postsubtimeout'};
273: }
274: } elsif ($postsubmit eq '0') {
275: $postsubmit = 'off';
276: } elsif ($postsubmit eq '1') {
277: $postsubmit = 'on';
278: $timeout = $env{'course.'.$env{'request.course.id'}.'.internal.postsubtimeout'};
279: if ($timeout eq '') {
280: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
281: $timeout = $domdefs{$crstype.'postsubtimeout'};
282: }
283: }
284: if ($timeout eq '') {
285: $timeout = 60;
286: }
287: } else {
288: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'request.role.domain'});
289: $postsubmit = $domdefs{'postsubmit'};
290: unless ($postsubmit eq 'off') {
291: $timeout = 60;
292: }
293: }
294: my $jstimeout = 0;
295: if ($timeout) {
296: $jstimeout = 1000 * $timeout;
297: }
1.400 albertel 298: return &Apache::loncommon::resize_textarea_js().
1.527 golterma 299: &Apache::loncommon::colorfuleditor_js().
1.416 raeburn 300: &setmode_javascript().
1.531 raeburn 301: <<"JS";
1.400 albertel 302: <script type="text/javascript">
1.483 raeburn 303: // <![CDATA[
1.494 raeburn 304: function setSubmittedPart (part,prefix) {
305: if (typeof(prefix) == 'undefined') {
306: this.document.lonhomework.submitted.value="part_"+part;
307: } else {
308: for (var i=0;i<this.document.lonhomework.elements.length;i++) {
309: if (this.document.lonhomework.elements[i].name == prefix+'submitted') {
310: this.document.lonhomework.elements[i].value="part_"+part;
311: }
312: }
313: }
1.400 albertel 314: }
315:
1.532 raeburn 316: function disableAutoComplete (id) {
317: var field = document.getElementById(id);
318: if (field != null && field != undefined){
319: if ('autocomplete' in field) {
320: field.autocomplete = "off";
321: } else {
322: field.setAttribute("autocomplete", "off");
323: }
324: }
325: }
326:
1.400 albertel 327: function image_response_click (which, e) {
328: init_geometry();
329: if (!e) { e = window.event; } //IE
330: var input_element = document.lonhomework.elements[which];
1.401 albertel 331: var token_element = document.lonhomework.elements[which+'_token'];
1.400 albertel 332: var token = token_element.value;
1.401 albertel 333: var img_element = document.getElementById(which+'_imageresponse');
1.400 albertel 334: var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
335: var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
336: var click = x+':'+y;
337: input_element.value = click;
1.485 raeburn 338: img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
1.400 albertel 339: }
1.520 raeburn 340:
341: var submithandled = 0;
1.521 raeburn 342: var keypresshandled = 0;
1.531 raeburn 343: var postsubmit = '$postsubmit';
1.520 raeburn 344:
1.531 raeburn 345: \$(document).ready(function(){
1.576 raeburn 346: if (postsubmit != 'off') {
1.531 raeburn 347: \$(document).keypress(function(event){
1.521 raeburn 348: var keycode = (event.keyCode ? event.keyCode : event.which);
349: if ((keycode == '13') && (keypresshandled == 0)) {
1.531 raeburn 350: if ( \$( document.activeElement ).hasClass("LC_textline") ) {
1.521 raeburn 351: keypresshandled = 1;
1.531 raeburn 352: var idsArray = \$( document.activeElement ).attr("id").split(/HWVAL_/);
1.521 raeburn 353: if (idsArray.length) {
354: event.preventDefault();
355: var itemsArray = idsArray[1].split(/_/);
356: var buttonId = idsArray[0]+'submit_'+itemsArray[0];
1.531 raeburn 357: \$("#"+buttonId).trigger("click");
1.521 raeburn 358: }
359: }
360: }
361: });
362:
1.531 raeburn 363: \$(document).delegate('form :submit', 'click', function( event ) {
364: if ( \$( this ).hasClass( "LC_hwk_submit" ) ) {
1.520 raeburn 365: var buttonId = this.id;
1.531 raeburn 366: var timeout = $jstimeout;
1.520 raeburn 367: if (submithandled == 0) {
368: submithandled = 1;
1.531 raeburn 369: \$( "#msg_"+buttonId ).css({"display": "inline","background-color": "#87cefa",
1.521 raeburn 370: "color": "black","padding": "2px"}) ;
1.563 raeburn 371: if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
1.522 raeburn 372: if (buttonId != "all_submit") {
1.531 raeburn 373: \$( ".LC_status_"+buttonId ).hide();
1.563 raeburn 374: }
375: if (( "#"+buttonId+"_pressed" ).length) {
376: \$( "#"+buttonId+"_pressed" ).val( "1" );
1.520 raeburn 377: }
1.522 raeburn 378: } else {
1.531 raeburn 379: \$( ".LC_status_"+buttonId ).hide();
1.520 raeburn 380: }
1.531 raeburn 381: \$(this.form).submit();
382: \$( ".LC_hwk_submit" ).prop( "disabled", true);
383: \$( ".LC_textline" ).prop( "readonly", "readonly");
1.520 raeburn 384: event.preventDefault();
1.531 raeburn 385:
386: if (timeout > 0) {
387: setTimeout(function(){
388: \$( "#msg_"+buttonId ).css({"display": "none"});
1.563 raeburn 389: if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
390: if (( "#"+buttonId+"_pressed" ).length) {
391: \$( "#"+buttonId+"_pressed" ).val( "" );
1.531 raeburn 392: }
393: }
394: \$( ".LC_hwk_submit" ).prop( "disabled", false);
395: \$( ".LC_textline" ).prop( "readonly", false);
396: submithandled = 0;
397: keypresshandled = 0;
398: }, timeout);
399: }
1.520 raeburn 400: return true;
401: }
402: }
403: });
1.531 raeburn 404: }
1.520 raeburn 405: });
406:
1.483 raeburn 407: // ]]>
1.400 albertel 408: </script>
409: JS
410: }
411:
1.416 raeburn 412: sub setmode_javascript {
413: return <<"ENDSCRIPT";
414: <script type="text/javascript">
1.485 raeburn 415: // <![CDATA[
1.416 raeburn 416: function setmode(form,probmode) {
1.554 damieng 417: var initial = form.problemmode.value;
1.416 raeburn 418: form.problemmode.value = probmode;
419: form.submit();
1.554 damieng 420: form.problemmode.value = initial;
1.416 raeburn 421: }
1.485 raeburn 422: // ]]>
1.416 raeburn 423: </script>
424: ENDSCRIPT
425: }
426:
1.48 albertel 427: sub page_start {
1.345 albertel 428: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
429: $extra_head)=@_;
1.159 albertel 430: my %found;
1.207 albertel 431: foreach my $taginside (@$tagstack) {
1.159 albertel 432: foreach my $taglookedfor ('html','body','form') {
433: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
434: }
435: }
436:
1.343 albertel 437: if ($target eq 'tex') {
438: return
439: &Apache::londefdef::start_html($target,$token,$tagstack,
440: $parstack,$parser,$safeeval);
441: }
442:
1.474 raeburn 443: $extra_head .= &homework_js().
444: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
445: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1.550 raeburn 446: my %textarea_args;
447: if (($env{'request.state'} ne 'construct') ||
1.579 raeburn 448: (&Apache::loncommon::nocodemirror())) {
1.550 raeburn 449: %textarea_args = (
1.474 raeburn 450: dragmath => 'math',
451: );
1.550 raeburn 452: }
1.474 raeburn 453: $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
1.425 raeburn 454: }
1.478 raeburn 455: my $is_task = ($env{'request.uri'} =~ /\.task$/);
1.528 raeburn 456: my ($needs_upload,$partlist);
1.495 raeburn 457: my ($symb)= &Apache::lonnet::whichuser();
458: my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
1.478 raeburn 459: if ($is_task) {
1.495 raeburn 460: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
1.493 raeburn 461: } else {
462: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.uploadedfiletypes") ne '') {
1.495 raeburn 463: unless ($env{'request.state'} eq 'construct') {
464: my $navmap = Apache::lonnavmaps::navmap->new();
465: if (ref($navmap)) {
466: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 467: my $is_page;
468: if (ref($mapres)) {
469: $is_page = $mapres->is_page();
470: }
471: unless ($is_page) {
1.495 raeburn 472: $needs_upload = 1;
473: }
1.528 raeburn 474: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
475: my $res = $navmap->getBySymb($symb);
476: if (ref($res)) {
477: $partlist = $res->parts();
478: }
479: }
1.495 raeburn 480: }
481: }
1.493 raeburn 482: } else {
483: unless ($env{'request.state'} eq 'construct') {
484: my $navmap = Apache::lonnavmaps::navmap->new();
485: if (ref($navmap)) {
1.495 raeburn 486: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 487: my $is_page;
488: if (ref($mapres)) {
489: $is_page = $mapres->is_page();
490: }
1.528 raeburn 491: if ($is_page) {
492: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
493: my $res = $navmap->getBySymb($symb);
494: if (ref($res)) {
495: $partlist = $res->parts();
496: }
497: }
498: } else {
1.495 raeburn 499: my $res = $navmap->getBySymb($symb);
500: if (ref($res)) {
1.528 raeburn 501: $partlist = $res->parts();
1.495 raeburn 502: if (ref($partlist) eq 'ARRAY') {
503: foreach my $part (@{$partlist}) {
504: my @types = $res->responseType($part);
505: my @ids = $res->responseIds($part);
506: for (my $i=0; $i < scalar(@ids); $i++) {
507: if ($types[$i] eq 'essay') {
508: my $partid = $part.'_'.$ids[$i];
509: if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
510: $needs_upload = 1;
511: last;
512: }
1.493 raeburn 513: }
514: }
515: }
1.495 raeburn 516: }
517: }
1.493 raeburn 518: }
519: }
520: }
521: }
1.495 raeburn 522: if ($needs_upload) {
1.538 musolffc 523: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js()
524: .'<script type="text/javascript"
525: src="/res/adm/includes/file_upload.js"></script>';
1.495 raeburn 526: }
1.478 raeburn 527: }
1.425 raeburn 528:
1.344 albertel 529: my %body_args;
530: if (defined($found{'html'})) {
531: $body_args{'skip_phases'}{'head'}=1;
532: } else {
1.343 albertel 533:
1.345 albertel 534: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 535:
1.379 albertel 536: $extra_head .= &Apache::londefdef::generate_css_links();
537:
1.384 albertel 538: if ($env{'request.state'} eq 'construct') {
1.343 albertel 539: $extra_head.=&Apache::edit::js_change_detection().
540: "<script type=\"text/javascript\">\n".
541: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
542: &Apache::loncommon::browser_and_searcher_javascript().
543: "\n</script>\n";
1.525 raeburn 544: if ($target eq 'edit') {
545: $extra_head .= &Apache::edit::js_update_linknum();
546: }
1.343 albertel 547: }
1.159 albertel 548: }
1.343 albertel 549:
1.446 bisitz 550: my $pageheader = '';
1.344 albertel 551: if (defined($found{'body'})) {
552: $body_args{'skip_phases'}{'body'}=1;
553: } elsif (!defined($found{'body'})
554: && $env{'request.state'} eq 'construct') {
1.343 albertel 555: if ($target eq 'web' || $target eq 'edit') {
1.542 raeburn 556: unless ($env{'form.inhibitmenu'} eq 'yes') {
1.577 raeburn 557: my $text = 'Authoring Space';
558: my $href = &Apache::loncommon::authorspace($env{'request.uri'});
559: if ($env{'request.course.id'}) {
560: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
561: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
562: if ($href eq "/priv/$cdom/$cnum/") {
563: $text = &mt('Course Authoring Space');
564: }
565: }
1.542 raeburn 566: # Breadcrumbs for Authoring Space
567: &Apache::lonhtmlcommon::clear_breadcrumbs();
568: &Apache::lonhtmlcommon::add_breadcrumb({
1.577 raeburn 569: 'text' => $text,
570: 'href' => $href,
1.542 raeburn 571: });
572: # breadcrumbs (and tools) will be created
573: # in start_page->bodytag->innerregister
1.460 droeschl 574:
1.450 bisitz 575: # FIXME Where are we?
1.542 raeburn 576: # &Apache::lonhtmlcommon::add_breadcrumb({
577: # 'text' => 'Problem Editing', # 'Problem Testing'
578: # 'href' => '',
579: # });
580: $pageheader = &Apache::loncommon::head_subbox(
581: &Apache::loncommon::CSTR_pageheader());
582: }
583: }
1.272 albertel 584: } elsif (!defined($found{'body'})) {
1.343 albertel 585: my %add_entries;
1.159 albertel 586: my $background=&Apache::lonxml::get_param('background',$parstack,
587: $safeeval);
1.343 albertel 588: if ($background ne '' ) {
589: $add_entries{'background'} = $background;
590: }
1.344 albertel 591:
1.290 albertel 592: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
593: $safeeval);
1.446 bisitz 594: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
1.344 albertel 595:
1.446 bisitz 596: $body_args{'bgcolor'} = $bgcolor;
597: # $body_args{'no_title'} = 1;
598: $body_args{'force_register'} = 1;
599: $body_args{'add_entries'} = \%add_entries;
1.466 droeschl 600: if ( $env{'request.state'} eq 'construct') {
1.446 bisitz 601: $body_args{'only_body'} = 1;
1.518 raeburn 602: } elsif ($target eq 'web') {
603: $body_args{'print_suppress'} = 1;
1.446 bisitz 604: }
1.344 albertel 605: }
1.365 albertel 606: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 607: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
608: \%body_args);
1.446 bisitz 609: $page_start .= $pageheader;
1.462 raeburn 610: if (!defined($found{'body'})
611: && $env{'request.state'} ne 'construct'
612: && ($target eq 'web' || $target eq 'webgrade')) {
613:
614: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
615: if ($symb eq '' && !$publicuser) {
616: $page_start .= '<p class="LC_info">'
617: .&mt('Browsing resource, all submissions are temporary.')
618: .'</p>';
1.457 bisitz 619: }
1.344 albertel 620: }
621:
1.409 albertel 622: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 623: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 624: }
625: my $form_tag_start;
626: if (!defined($found{'form'})) {
1.337 albertel 627: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.465 raeburn 628: my $uri = &Apache::loncommon::inhibit_menu_check(
1.455 droeschl 629: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.464 raeburn 630: $uri = &HTML::Entities::encode($uri,'<>&"');
1.327 albertel 631: $form_tag_start.=$uri.'" ';
632: if ($target eq 'edit') {
633: $form_tag_start.=&Apache::edit::form_change_detection();
634: }
1.493 raeburn 635: my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
636: my ($path,$multiresp) =
637: &Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom);
1.574 raeburn 638: if ($env{'request.user_in_effect'}) {
639: $form_tag_start .= ' onsubmit="preventDefault();"';
640: } elsif (($is_task) || ($needs_upload)) {
1.495 raeburn 641: $form_tag_start .= ' onsubmit="return file_submission_check(this,'."'$path','$multiresp'".');"';
1.478 raeburn 642: }
1.368 albertel 643: $form_tag_start.='>'."\n";
1.355 albertel 644:
645: if ($symb =~ /\S/) {
646: $symb=
647: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
648: $form_tag_start.=
1.368 albertel 649: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 650: }
1.159 albertel 651: }
1.528 raeburn 652: return ($page_start,$form_tag_start,$partlist);
1.105 albertel 653: }
654:
1.141 matthew 655: #use Time::HiRes();
1.105 albertel 656: sub get_resource_name {
1.159 albertel 657: my ($parstack,$safeeval)=@_;
1.388 foxr 658: my $name;
1.204 albertel 659: if (defined($Apache::lonhomework::name)) {
1.388 foxr 660: $name = $Apache::lonhomework::name;
661: } else {
662: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 663: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 664: if ($name eq '') {
665: $name=&Apache::lonnet::EXT('resource.title');
666: if ($name eq 'con_lost') { $name = ''; }
667: }
668: if ($name!~/\S+/) {
669: $name=$env{'request.uri'};
670: $name=~s-.*/([^/]+)$-$1-;
671: }
672: # The name has had html tags escaped:
673:
674: $name=~s/</</gs;
675: $name=~s/>/>/gs;
676:
677: $Apache::lonhomework::name=$name;
1.204 albertel 678: }
1.159 albertel 679: return $name;
1.105 albertel 680: }
681:
682: sub setup_rndseed {
1.570 raeburn 683: my ($safeeval,$target,$probpartlist,$prevparttype)=@_;
1.367 albertel 684: my ($symb)=&Apache::lonnet::whichuser();
1.564 raeburn 685: my ($questiontype,$set_safespace,$rndseed,$numtries,$reqtries);
1.479 raeburn 686: if ($target eq 'analyze') {
687: $questiontype = $env{'form.grade_questiontype'};
688: }
689: unless (defined($questiontype)) {
690: $questiontype = $Apache::lonhomework::type;
691: }
1.564 raeburn 692: if ($Apache::lonhomework::type eq 'randomizetry') {
693: my $partfortries = $Apache::inputtags::part;
1.568 raeburn 694: #
695: # Where question type is "randomizetry" for a problem containing
696: # a single part (and unless type is explicitly set to not be
697: # "randomizetry" for that part), the number of tries used to
698: # determine randomization will be for that part, and randomization
699: # from calls to &random() in a perl script block before the part tag,
700: # will change based on the number of tries, and value of the
701: # "randomizeontries" parameter in effect for the single part.
702: #
1.564 raeburn 703: if (ref($probpartlist) eq 'ARRAY') {
1.568 raeburn 704: if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $partfortries)) {
705: if (&Apache::lonnet::EXT('resource.'.$probpartlist->[0].'.type') eq 'randomizetry') {
1.566 raeburn 706: $partfortries = $probpartlist->[0];
707: } else {
708: $partfortries = '';
709: }
1.564 raeburn 710: }
711: }
1.566 raeburn 712: if ($partfortries ne '') {
713: $numtries = $Apache::lonhomework::history{"resource.$partfortries.tries"};
714: $reqtries = &Apache::lonnet::EXT("resource.$partfortries.randomizeontries");
715: }
1.564 raeburn 716: }
1.555 raeburn 717: if (($env{'request.state'} eq "construct")
718: || ($symb eq '')
719: || ($Apache::lonhomework::type eq 'practice')
720: || ($Apache::lonhomework::history{'resource.CODE'})
721: || (($env{'form.code_for_randomlist'}) && ($target eq 'analyze'))) {
1.316 www 722: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 723: ['rndseed']);
1.284 albertel 724: $rndseed=$env{'form.rndseed'};
1.159 albertel 725: if (!$rndseed) {
1.162 albertel 726: $rndseed=$Apache::lonhomework::history{'rndseed'};
727: if (!$rndseed) {
728: $rndseed=time;
729: }
1.555 raeburn 730: unless ($env{'form.code_for_randomlist'}) {
731: $env{'form.rndseed'}=$rndseed;
732: }
1.162 albertel 733: }
1.576 raeburn 734: if ((($env{'request.state'} eq "construct") || ($symb eq '')) &&
1.479 raeburn 735: ($Apache::lonhomework::type eq 'randomizetry')) {
1.564 raeburn 736: if ($numtries) {
737: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
738: my $inc = int($numtries/$reqtries);
739: $rndseed += $inc;
740: } else {
741: $rndseed += $numtries;
742: }
1.479 raeburn 743: }
1.480 raeburn 744: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.479 raeburn 745: }
1.551 damieng 746: if ( ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 747: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 748: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 749: srand(time);
750: $rndseed=int(rand(2100000000));
1.284 albertel 751: $env{'form.rndseed'}=$rndseed;
752: delete($env{'form.resetdata'});
753: delete($env{'form.newrandomization'});
1.159 albertel 754: }
1.488 www 755: $rndseed=~s/\,/\:/g;
756: $rndseed=~s/[^\w\d\:\-]//g;
1.489 www 757: if (defined($rndseed)) {
758: my ($c1,$c2)=split(/\:/,$rndseed);
759: unless ($c2) { $c2=0; }
760: unless (($c1==int($c1)) && ($c2==int($c2))) {
761: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
762: }
1.187 albertel 763: }
1.555 raeburn 764: if (($env{'form.code_for_randomlist'}) && ($target eq 'analyze')) {
765: $env{'form.CODE'} = $env{'form.code_for_randomlist'};
766: $rndseed=&Apache::lonnet::rndseed();
767: undef($env{'form.CODE'});
768: } elsif ($Apache::lonhomework::history{'resource.CODE'}) {
1.247 albertel 769: $rndseed=&Apache::lonnet::rndseed();
770: }
1.479 raeburn 771: $set_safespace = 1;
772: } elsif ($questiontype eq 'randomizetry') {
773: if ($target eq 'analyze') {
774: if (defined($env{'form.grade_rndseed'})) {
775: $rndseed = $env{'form.grade_rndseed'};
776: }
777: }
778: unless (($target eq 'analyze') && (defined($rndseed))) {
779: $rndseed=&Apache::lonnet::rndseed();
1.564 raeburn 780: my $curr_try = $numtries;
1.479 raeburn 781: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
782: $curr_try ++;
783: }
784: if ($rndseed =~/^(\d+)[,:](\d+)$/) {
785: $rndseed = $1;
786: }
787: if ($curr_try) {
788: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
789: my $inc = int(($curr_try-1)/$reqtries);
790: $rndseed += $inc;
791: } else {
792: $rndseed += $curr_try;
793: }
794: }
795: }
796: $set_safespace = 1;
1.528 raeburn 797: if ($target eq 'grade') {
798: $Apache::lonhomework::rawrndseed = $rndseed;
799: }
1.570 raeburn 800: } elsif ($prevparttype eq 'randomizetry') {
801: if ($env{'form.0.rndseed'} ne '') {
802: $set_safespace = 1;
803: $rndseed = $env{'form.0.rndseed'};
804: }
1.479 raeburn 805: }
806: if ($set_safespace) {
807: if ($safeeval) {
808: &Apache::lonxml::debug("Setting rndseed to $rndseed");
809: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
1.569 raeburn 810: if (($Apache::lonhomework::type eq 'randomizetry') || ($prevparttype eq 'randomizetry')) {
811: &Apache::lonxml::debug("Setting randomizetrypart to $Apache::inputtags::part");
812: &Apache::run::run('$external::randomizetrypart="'.$Apache::inputtags::part.'";',$safeeval);
813: }
1.479 raeburn 814: }
815: }
816: unless (($env{'request.state'} eq "construct") || ($symb eq '')) {
817: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.159 albertel 818: }
819: return $rndseed;
1.105 albertel 820: }
821:
1.268 albertel 822: sub remember_problem_state {
823: return '
1.284 albertel 824: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
825: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
826: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 827: }
828:
1.487 www 829: sub problem_edit_action_button {
830: my ($name,$action,$accesskey,$text,$flag)=@_;
831: my $actionscript="setmode(this.form,'$action')";
832: return "\n<input type='button' name='$name' accesskey='$accesskey' value='".&mt($text)."'".
833: ($flag?&Apache::edit::submit_ask_anyway($actionscript):&Apache::edit::submit_dont_ask($actionscript))." />";
834: }
835:
1.423 www 836: sub problem_edit_buttons {
1.487 www 837: my ($mode)=@_;
1.580 ! raeburn 838: my %editors = &Apache::loncommon::permitted_editors();
1.535 droeschl 839: # Buttons that save
840: my $result = '<div style="float:right">';
841: if ($mode eq 'editxml') {
1.580 ! raeburn 842: if ($editors{'xml'}) {
! 843: $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
! 844: }
1.535 droeschl 845: $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
846: } else {
1.580 ! raeburn 847: if ($editors{'edit'}) {
! 848: $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
! 849: }
1.535 droeschl 850: $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
851: }
852: $result.="\n</div>\n";
1.487 www 853: # Buttons that do not save
1.535 droeschl 854: $result .= '<div>'.
1.487 www 855: &problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
856: if ($mode eq 'editxml') {
1.580 ! raeburn 857: if ($editors{'edit'}) {
! 858: $result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
! 859: }
1.487 www 860: $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
1.579 raeburn 861: if (&Apache::loncommon::nocodemirror()) {
1.550 raeburn 862: $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
863: }
1.487 www 864: } else {
1.580 ! raeburn 865: if ($editors{'xml'}) {
! 866: $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
! 867: }
1.487 www 868: $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
869: }
870: $result.="\n</div>";
871: return $result;
1.423 www 872: }
873:
874: sub problem_edit_header {
1.527 golterma 875: my ($mode)=@_;
876: my $return = '<input type="hidden" name="submitted" value="edit" />'.
1.487 www 877: &remember_problem_state('edit').'
1.527 golterma 878: <div class="LC_edit_problem_header">
879: <div class="LC_edit_problem_header_title">
880: '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
881: </div><div class="LC_edit_actionbar" id="actionbar">'.
882: '<input type="hidden" name="problemmode" value="saveedit" />'.
883: &problem_edit_buttons();
884:
1.535 droeschl 885: $return .= '</div></div>' . &Apache::lonxml::message_location();
1.527 golterma 886: $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />
887: <script type="text/javascript" src="/adm/codemirror/codemirror-compressed-colorful.js"></script>';
888:
889: $return .= '<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
890: <script type="text/javascript">
891: // unless internet explorer
892: if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode || document.compatMode))){
893: $(document).ready(
894: function() {
895: $(\'.LC_edit_actionbar\').scrollToFixed(
896: {
897: fixed: function(){
1.535 droeschl 898: //$(this).find(\'.LC_edit_actionbar\').css(\'height\', \'31px\');
899: $(this).find(\'.LC_edit_actionbar\');
1.527 golterma 900: }
901: }
902: );
903: }
904: );
905: }
906: </script>
907: <table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
908: return $return;
1.105 albertel 909: }
910:
911: sub problem_edit_footer {
1.527 golterma 912: my $resource = $env{'request.ambiguous'};
1.412 albertel 913: return '</td></tr></table><br />
914: <div class="LC_edit_problem_footer">
1.453 bisitz 915: <hr />'.
1.423 www 916: &problem_edit_buttons().'
1.459 bisitz 917: <hr style="clear:both;" />
1.527 golterma 918: <script type="text/javascript">
919: restoreState("'.$resource.'");
920: restoreScrollPosition("'.$resource.'");
921: </script>
1.412 albertel 922: </div>
923: '.
1.342 albertel 924: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 925: }
926:
1.235 albertel 927: sub option {
928: my ($value,$name) = @_;
929: my $result ="<option value='".$value."' ";
1.284 albertel 930: if ($env{'form.'.$name} eq $value) {
1.235 albertel 931: $result.=" selected='on' ";
932: }
933: $result.='>';
934: return $result;
935: }
936:
1.105 albertel 937: sub problem_web_to_edit_header {
1.159 albertel 938: my ($rndseed)=@_;
1.580 ! raeburn 939: my %editors = &Apache::loncommon::permitted_editors();
1.406 albertel 940: my $result .= '<div class="LC_edit_problem_header">';
941:
942: if (!$Apache::lonhomework::parsing_a_task) {
943: $result .=
944: '<div class="LC_edit_problem_header_title">'.
945: &mt('Problem Testing').
946: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
947: '</div>';
948: } else {
949: $result .=
950: '<div class="LC_edit_problem_header_title">'.
951: &mt('Task Testing').
952: '</div>';
953: }
954:
1.315 albertel 955: my $show_all_foils_text =
956: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 957: &mt('Show All Instances')
958: : &mt('Show All Foils');
1.315 albertel 959:
1.452 bisitz 960: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
961: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 962: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 963: $show_all.= ' /> '.$show_all_foils_text
964: .'</label></span>';
1.406 albertel 965:
966:
1.384 albertel 967:
1.406 albertel 968: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 969: if (!$Apache::lonhomework::parsing_a_task) {
970: $result.="
1.406 albertel 971: <div class='LC_edit_problem_header_row1'>
972: <span class=\"LC_nobreak\">
1.405 albertel 973: ".&mt("Problem Status:")."
1.235 albertel 974: <select name='problemstate'>
1.270 albertel 975: <option value=''></option>
1.235 albertel 976: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
977: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
978: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
979: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
980: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
981: </select>
1.406 albertel 982: </span>
983: <span class=\"LC_nobreak\">
1.405 albertel 984: ".&mt("Problem Type:")."
1.235 albertel 985: <select name='problemtype'>
1.270 albertel 986: <option value=''></option>
1.509 bisitz 987: ".&option('exam' ,'problemtype').&mt("Bubblesheet Exam Problem")."</option>
1.428 raeburn 988: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 989: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 990: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
991: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
992: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 993: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.479 raeburn 994: ".&option('randomizetry' ,'problemtype').&mt("New Randomization Each Try")."</option>
1.235 albertel 995: </select>
1.406 albertel 996: </span>
997: $show_all
998: </div>
999: <div class='LC_edit_problem_header_row2'>
1000: <span class=\"LC_nobreak\">
1.405 albertel 1001: ".&mt("Feedback Mode:")."
1.235 albertel 1002: <select name='problemstatus'>
1003: <option value=''></option>
1.242 albertel 1004: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.517 bisitz 1005: ".&option('no', 'problemstatus').&mt("Don't Show Incorrect/Correct Feedback")."</option>
1.405 albertel 1006: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 1007: </select>
1.406 albertel 1008: </span>
1009: ";
1010:
1.376 albertel 1011: } elsif ($Apache::lonhomework::parsing_a_task) {
1012: $result.="
1.406 albertel 1013: <div class='LC_edit_problem_header_row1'>
1014: <span class=\"LC_nobreak\">
1.405 albertel 1015: ".&mt("Problem Status:")."
1.376 albertel 1016: <select name='problemstate'>
1017: <option value=''></option>
1018: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
1019: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
1020: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
1021: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
1022: </select>
1.406 albertel 1023: </span>
1024: $show_all
1025: ";
1026: }
1027: $result.='
1028: <span class="LC_nobreak">
1029: '.&mt('Apply style file: ').'
1030: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
1031: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
1032: </span>
1.422 www 1033: </div>
1034: <div class="LC_edit_problem_header_row1">'.
1035: &Apache::lonxml::renderingoptions().'
1.406 albertel 1036: </div>
1037: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
1038: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
1.551 damieng 1039: <button type="submit" name="resetdata" accesskey="r" value="reset_submissions">
1040: '.&mt('Reset Submissions').'</button>
1.406 albertel 1041: </div>
1.453 bisitz 1042: <hr />
1.406 albertel 1043: <div class="LC_edit_problem_header_randomize_row">
1044: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
1045: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 1046: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 1047: $rndseed.'"
1048: onchange="javascript:document.lonhomework.changerandseed.click()" />';
1049:
1050: if (!$Apache::lonhomework::parsing_a_task) {
1051: my $numtoanalyze=$env{'form.numtoanalyze'};
1052: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 1053: $result .= '<span class="LC_nobreak">'.
1054: &mt('[_1] for [_2] versions.',
1.416 raeburn 1055: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 1056: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
1057: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 1058: $numtoanalyze.'" size="5" />').
1059: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
1060: '</span>';
1061:
1.313 albertel 1062: }
1.406 albertel 1063:
1064: $result.='
1065: </div>
1.453 bisitz 1066: <hr />
1.447 bisitz 1067: <div>';
1.416 raeburn 1068: $result.='<input type="hidden" name="problemmode" value="view" />';
1.580 ! raeburn 1069: if ($editors{'edit'}) {
! 1070: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
! 1071: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
! 1072: }
! 1073: if ($editors{'xml'}) {
! 1074: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
! 1075: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
! 1076: }
! 1077: if (($editors{'daxe'}) &&
! 1078: ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9)) {
1.541 damieng 1079: my $uri = $env{'request.uri'};
1.543 damieng 1080: my $daxeurl = '/daxepage'.$uri;
1.541 damieng 1081: $result .= '<input type="button" value="'.&mt('Edit with Daxe').'" '.
1082: 'onclick="window.open(\''.$daxeurl.'\',\'_blank\');" />';
1083: }
1.408 albertel 1084: $result.='
1085: </div>
1.453 bisitz 1086: <hr />
1.409 albertel 1087: '.&Apache::lonxml::message_location().'
1.406 albertel 1088: </div>';
1.159 albertel 1089: return $result;
1.48 albertel 1090: }
1091:
1.65 albertel 1092: sub initialize_storage {
1.357 albertel 1093: my ($given_symb) = @_;
1.353 albertel 1094: undef(%Apache::lonhomework::results);
1095: undef(%Apache::lonhomework::history);
1.357 albertel 1096: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1097: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 1098:
1099: # anonymous users (CODEd exams) have no data
1100: if ($name eq 'anonymous'
1101: && !defined($domain)) {
1102: return;
1103: }
1104:
1.333 albertel 1105: if ($env{'request.state'} eq 'construct'
1106: || $symb eq ''
1107: || $Apache::lonhomework::type eq 'practice') {
1108:
1109: my $namespace = $symb || $env{'request.uri'};
1.551 damieng 1110: if ($env{'form.resetdata'} eq 'reset_submissions' ||
1111: ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 1112: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 1113: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1114: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
1115: &Apache::lonxml::debug("Attempt reset");
1116: }
1.159 albertel 1117: %Apache::lonhomework::history=
1.333 albertel 1118: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.576 raeburn 1119: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1120: &Apache::lonxml::debug("Return message of $temp");
1121: } else {
1122: %Apache::lonhomework::history=
1123: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1124: }
1.353 albertel 1125:
1.159 albertel 1126: #ignore error conditions
1.526 raeburn 1127: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1128: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 1129: }
1130:
1.435 jms 1131: =pod
1132:
1133: =item finalize_storage()
1134:
1.524 raeburn 1135: Stores away the result hash to a student's environment;
1.523 raeburn 1136: checks form.grade_ for specific values, otherwise stores
1137: to the running user's environment.
1.524 raeburn 1138:
1139: &check_correctness_changes() is called in two circumstances
1140: in which the results hash is to be stored permanently, for
1141: grading triggered by a student's submission, where feedback on
1.576 raeburn 1142: correctness is to be provided to the student.
1.524 raeburn 1143:
1144: 1. Immediately prior to storing the results hash
1145:
1.576 raeburn 1146: To handle the case where a student's submission (and award) were
1.524 raeburn 1147: stored after history was retrieved in &initialize_storage(), e.g.,
1.576 raeburn 1148: if a student submitted answers in quick succession (e.g., from
1.524 raeburn 1149: multiple tabs). &Apache::inputtags::hidealldata() is called for
1150: any parts with out-of-order storage (i.e., correct then incorrect,
1151: where awarded >= 1 when correct).
1152:
1153: 2. Immediately after storing the results hash
1154:
1155: To handle the case where lond on the student's homeserver returns
1156: delay:N -- where N is the number of transactions between the last
1157: retrieved in &initialize_storage() and the last stored immediately
1.576 raeburn 1158: before permanent storage of the current transaction via
1159: lond::store_handler(). &Apache::grades::makehidden() is called
1.524 raeburn 1160: for any parts with out-of-order storage (i.e., correct then incorrect,
1161: where awarded >= 1 when correct).
1162:
1.576 raeburn 1163: Will call &store_aggregates() to increment totals for attempts,
1.524 raeburn 1164: students, and corrects, if running user has student role.
1165:
1.435 jms 1166: =cut
1167:
1168:
1.65 albertel 1169: sub finalize_storage {
1.357 albertel 1170: my ($given_symb) = @_;
1.159 albertel 1171: my $result;
1.289 albertel 1172: if (%Apache::lonhomework::results) {
1.323 albertel 1173: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
1174: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 1175: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1176: &Apache::lonnet::whichuser($given_symb);
1.575 raeburn 1177: my ($passback,$pbscope,$pbmap,$pbsymb,$pbtype,$crsdef,$ltinum,
1178: $ltiref,$total,$possible,$dopassback);
1.333 albertel 1179: if ($env{'request.state'} eq 'construct'
1180: || $symb eq ''
1181: || $Apache::lonhomework::type eq 'practice') {
1182: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 1183: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 1184: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 1185: $namespace,'',$domain,$name);
1.159 albertel 1186: &Apache::lonxml::debug('Construct Store return message:'.$result);
1187: } else {
1.560 raeburn 1188: my ($laststore,$checkedparts,@parts,%postcorrect,%record);
1.524 raeburn 1189: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1190: (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
1191: (!defined($env{'form.grade_courseid'}))) {
1.575 raeburn 1192: if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) {
1.560 raeburn 1193: my ($map)=&Apache::lonnet::decode_symb($symb);
1194: $map = &Apache::lonnet::clutter($map);
1.575 raeburn 1195: if ($env{'request.lti.login'}) {
1.576 raeburn 1196: ($passback,$pbscope,$pbmap,$pbsymb,$ltinum,$ltiref) =
1.575 raeburn 1197: &needs_lti_passback($courseid,$symb,$map);
1198: } elsif ($env{'request.deeplink.login'}) {
1199: ($passback,$pbscope,$pbmap,$pbsymb,$crsdef,$ltinum,$ltiref) =
1200: &needs_linkprot_passback($courseid,$symb,$map);
1201: }
1.560 raeburn 1202: }
1.524 raeburn 1203: if ($Apache::lonhomework::history{'version'}) {
1204: $laststore = $Apache::lonhomework::history{'version'}.'='.
1205: $Apache::lonhomework::history{'timestamp'};
1206: } else {
1207: $laststore = '0=0';
1208: }
1.560 raeburn 1209: %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1.524 raeburn 1210: if ($record{'version'}) {
1211: my ($newversion,$oldversion,$oldtimestamp);
1212: if ($Apache::lonhomework::history{'version'}) {
1213: $oldversion = $Apache::lonhomework::history{'version'};
1214: $oldtimestamp = $Apache::lonhomework::history{'timestamp'};
1215: } else {
1216: $oldversion = 0;
1217: $oldtimestamp = 0;
1218: }
1219: if ($record{'version'} > $oldversion) {
1220: if ($record{'timestamp'} >= $oldtimestamp) {
1221: $laststore = $record{'version'}.'='.$record{'timestamp'};
1222: $newversion = $record{'version'} + 1;
1223: $checkedparts = 1;
1224: foreach my $key (keys(%Apache::lonhomework::results)) {
1225: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1226: my $part = $1;
1227: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1228: push(@parts,$part);
1229: }
1230: }
1231: }
1232: if (@parts) {
1233: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1234: \%record,\@parts,$newversion,
1235: $oldversion);
1236: if (@parts_to_hide) {
1237: foreach my $part (@parts_to_hide) {
1238: $postcorrect{$part} = 1;
1239: &Apache::inputtags::hidealldata($part);
1240: }
1241: }
1242: }
1243: }
1244: }
1245: }
1246: }
1.159 albertel 1247: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
1.524 raeburn 1248: $symb,$courseid,$domain,$name,$laststore);
1249: if ($result =~ /^delay\:(\d+)$/) {
1250: my $numtrans = $1;
1251: my ($oldversion) = split(/=/,$laststore);
1252: if ($numtrans) {
1253: my $newversion = $oldversion + 1 + $numtrans;
1254: my @possparts;
1255: if ($checkedparts) {
1256: foreach my $part (@parts) {
1257: unless ($postcorrect{$part}) {
1258: push(@possparts,$part);
1259: }
1260: }
1261: } else {
1262: foreach my $key (keys(%Apache::lonhomework::results)) {
1263: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1264: my $part = $1;
1265: unless ($postcorrect{$part}) {
1266: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1267: push(@possparts,$part);
1268: }
1269: }
1270: }
1271: }
1272: }
1273: if (@possparts) {
1274: my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1275: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1276: \%newrecord,\@possparts,$newversion,
1277: $oldversion);
1278: if (@parts_to_hide) {
1279: my $partslist = join(',',@parts_to_hide);
1280: &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1);
1281: }
1282: }
1283: }
1284: }
1.562 raeburn 1285: if ($passback) {
1286: foreach my $key (keys(%Apache::lonhomework::results)) {
1287: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1288: my $part = $1;
1289: if ((($Apache::lonhomework::results{$key} =~ /^correct_/) ||
1290: ($Apache::lonhomework::results{$key} eq 'incorrect_attempted')) &&
1291: ($Apache::lonhomework::results{"resource.$part.tries"})) {
1292: $dopassback = 1;
1293: last;
1294: }
1295: }
1296: }
1297: }
1.575 raeburn 1298: if (($dopassback) && ($pbscope eq 'resource') && ($pbsymb eq $symb)) {
1.560 raeburn 1299: $total = 0;
1300: $possible = 0;
1301: my $navmap = Apache::lonnavmaps::navmap->new();
1302: if (ref($navmap)) {
1303: my $res = $navmap->getBySymb($symb);
1304: if (ref($res)) {
1305: my $partlist = $res->parts();
1306: if (ref($partlist) eq 'ARRAY') {
1307: foreach my $part (@{$partlist}) {
1308: unless (exists($Apache::lonhomework::results{"resource.$part.solved"})) {
1309: next if ($Apache::lonhomework::record{"resource.$part.solved"} =~/^excused/);
1310: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1311: $possible += $weight;
1312: if (($record{'version'}) && (exists($record{"resource.$part.awarded"}))) {
1313: my $awarded = $record{"resource.$part.awarded"};
1314: if ($awarded) {
1315: $total += $weight * $awarded;
1316: }
1317: }
1318: }
1319: }
1320: }
1321: }
1322: }
1323: foreach my $key (keys(%Apache::lonhomework::results)) {
1324: if ($key =~ /^resource\.([^\.]+)\.awarded$/) {
1325: my $part = $1;
1326: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1327: $possible += $weight;
1328: my $awarded = $Apache::lonhomework::results{$key};
1329: if ($awarded) {
1330: $total += $weight * $awarded;
1331: }
1332: }
1333: }
1334: }
1.159 albertel 1335: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1336: &store_aggregates($symb,$courseid);
1.562 raeburn 1337: if ($dopassback) {
1.560 raeburn 1338: my $scoreformat = 'decimal';
1.575 raeburn 1339: if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) {
1340: if (ref($ltiref) eq 'HASH') {
1341: if ($ltiref->{'scoreformat'} =~ /^(decimal|ratio|percentage)$/) {
1342: $scoreformat = $1;
1343: }
1.560 raeburn 1344: }
1345: }
1.575 raeburn 1346: my ($pbid,$pburl,$pbtype);
1347: if ($env{'request.lti.login'}) {
1348: $pbid = $env{'request.lti.passbackid'};
1349: $pburl = $env{'request.lti.passbackurl'};
1350: $pbtype = 'lti';
1351: } elsif ($env{'request.deeplink.login'}) {
1352: $pbid = $env{'request.linkprotpbid'};
1353: $pburl = $env{'request.linkprotpburl'};
1354: $pbtype = 'linkprot';
1355: }
1.560 raeburn 1356: my $ltigrade = {
1.575 raeburn 1357: 'ltinum' => $ltinum,
1.560 raeburn 1358: 'lti' => $ltiref,
1.575 raeburn 1359: 'crsdef' => $crsdef,
1.560 raeburn 1360: 'cid' => $courseid,
1361: 'uname' => $env{'user.name'},
1362: 'udom' => $env{'user.domain'},
1.575 raeburn 1363: 'pbid' => $pbid,
1364: 'pburl' => $pburl,
1365: 'pbtype' => $pbtype,
1366: 'scope' => $pbscope,
1367: 'pbmap' => $pbmap,
1368: 'pbsymb' => $pbsymb,
1.560 raeburn 1369: 'format' => $scoreformat,
1370: };
1.575 raeburn 1371: if ($pbscope eq 'resource') {
1.560 raeburn 1372: $ltigrade->{'total'} = $total;
1373: $ltigrade->{'possible'} = $possible;
1374: }
1375: push(@Apache::lonhomework::ltipassback,$ltigrade);
1376: }
1.159 albertel 1377: }
1.323 albertel 1378: } else {
1379: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1380: }
1.159 albertel 1381: return $result;
1.65 albertel 1382: }
1383:
1.560 raeburn 1384: sub needs_lti_passback {
1385: my ($courseid,$symb,$map) = @_;
1386: if (($env{'request.lti.passbackid'}) && ($env{'request.lti.passbackurl'})) {
1387: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1388: my ($cdom,$cnum) = ($1,$2);
1389: my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider');
1390: if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') {
1391: if ($lti{$env{'request.lti.login'}}{'passback'}) {
1.575 raeburn 1392: my $itemnum = $env{'request.lti.login'};
1.560 raeburn 1393: my ($ltiscope,$ltiuri,$ltisymb) =
1394: &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
1395: $cdom,$cnum,1);
1396: my ($passback,$ltimap);
1397: if ($ltiscope eq 'resource') {
1398: if ($ltisymb eq $symb) {
1399: $passback = 1;
1400: }
1401: } elsif ($ltiscope eq 'map') {
1402: if ($ltiuri eq $map) {
1403: $passback = 1;
1404: $ltimap = $map;
1405: }
1406: } elsif ($ltiscope eq 'course') {
1407: if (($env{'request.lti.uri'} eq "/$cdom/$cnum") || ($env{'request.lti.uri'} eq '')) {
1408: $passback = 1;
1409: }
1410: }
1.575 raeburn 1411: return ($passback,$ltiscope,$ltimap,$ltisymb,$itemnum,$lti{$itemnum});
1.560 raeburn 1412: }
1413: }
1414: }
1415: }
1416: return;
1417: }
1418:
1.575 raeburn 1419: sub needs_linkprot_passback {
1420: my ($courseid,$symb,$map) = @_;
1421: if (($env{'request.linkprotpbid'}) && ($env{'request.linkprotpburl'})) {
1422: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1423: my ($cdom,$cnum) = ($1,$2);
1424: my ($deeplink_symb,$deeplink_map,$deeplink,$passback);
1425: $deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom);
1426: if ($deeplink_symb) {
1427: if ($deeplink_symb =~ /\.(page|sequence)$/) {
1428: $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[2]);
1429: my $navmap = Apache::lonnavmaps::navmap->new();
1430: if (ref($navmap)) {
1431: $deeplink = $navmap->get_mapparam(undef,$deeplink_map,'0.deeplink');
1432: }
1433: } else {
1434: $deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$deeplink_symb);
1435: $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[0]);
1436: }
1437: if (($deeplink ne '') && ($env{'request.linkprot'} ne '')) {
1438: my ($itemid,$tinyurl) = split(/:/,$env{'request.linkprot'});
1439: if ($itemid =~ /^(\d+)(c|d)$/) {
1440: my ($itemnum,$itemtype) = ($1,$2);
1441: my ($crsdef,$lti_in_use);
1442: if ($itemtype eq 'c') {
1443: $crsdef = 1;
1444: my %crslti = &Apache::lonnet::get_course_lti($cnum,$cdom,'provider');
1445: $lti_in_use = $crslti{$itemnum};
1446: } else {
1447: my %domlti = &Apache::lonnet::get_domain_lti($cdom,'linkprot');
1448: $lti_in_use = $domlti{$itemnum};
1449: }
1450: my ($state,$others,$listed,$scope,$protect,$display,$target,$exit) = split(/,/,$deeplink);
1451: my $passback;
1452: if ($scope eq 'resource') {
1453: if ($deeplink_symb eq $symb) {
1454: $passback = 1;
1455: }
1456: } elsif ($scope eq 'map') {
1457: if (&Apache::lonnet::clutter($deeplink_map) eq $map) {
1458: $passback = 1;
1459: }
1460: } elsif ($scope eq 'recurse') {
1461: #FIXME check if $deeplink_map contains $map
1462: $passback = 1;
1463: }
1464: return ($passback,$scope,$deeplink_map,$deeplink_symb,$crsdef,$itemnum,$lti_in_use);
1465: }
1466: }
1467: }
1468: }
1469: }
1470: }
1471:
1.435 jms 1472: =pod
1473:
1.524 raeburn 1474: =item check_correctness_changes()
1475:
1476: For all parts for which current results contain a solved status
1.576 raeburn 1477: of "incorrect_attempted", check if there was a transaction in which
1478: solved was set to "correct_by_student" in the time since the last
1479: transaction (retrieved when &initialize_storage() was called i.e.,
1.524 raeburn 1480: when &start_problem() was called), unless:
1481: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1482: (b) problemstatus is set to no or no_feedback_ever
1.576 raeburn 1483: If such a transaction exists, and did not occur after "reset status"
1.524 raeburn 1484: by a user with grading privileges, then the current transaction is an
1485: example of an out-of-order transaction (i.e., incorrect occurring after
1486: correct). Accordingly, the current transaction should be hidden.
1487:
1488: =cut
1489:
1490:
1491: sub check_correctness_changes {
1492: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1493: my @parts_to_hide;
1494: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1495: return @parts_to_hide;
1496: }
1497: if (@{$parts}) {
1498: my $usec;
1499: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1500: ($env{'request.course.id'} eq $courseid)) {
1501: $usec = $env{'request.course.sec'};
1502: } else {
1503: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1504: }
1505: foreach my $id (@{$parts}) {
1506: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1507: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1508: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1509: my $reset;
1510: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1511: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1512: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1513: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1514: $reset = 1;
1515: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1516: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1517: unless ($reset) {
1518: push(@parts_to_hide,$id);
1519: last;
1520: }
1521: }
1522: }
1523: }
1524: }
1525: return @parts_to_hide;
1526: }
1527:
1528: =pod
1529:
1.435 jms 1530: item store_aggregates()
1531:
1532: Sends hash of values to be incremented in nohist_resourcetracker.db
1533: for the course. Increments total number of attempts, unique students
1534: and corrects for each part for an instance of a problem, as appropriate.
1535:
1536: =cut
1537:
1.285 raeburn 1538: sub store_aggregates {
1539: my ($symb,$courseid) = @_;
1.479 raeburn 1540: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1541: my @parts;
1.288 albertel 1542: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1543: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1544: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1545: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1546: push(@parts, $1);
1.285 raeburn 1547: }
1548: }
1.286 albertel 1549: foreach my $part (@parts) {
1.470 raeburn 1550: if ($env{'request.role'} =~/^st/) {
1551: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1552: eq 'APPROX_ANS' ||
1553: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1554: eq 'EXACT_ANS') {
1555: $aggregate{$symb."\0".$part."\0correct"} = 1;
1556: }
1557: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1558: $aggregate{$symb."\0".$part."\0users"} = 1;
1559: } else {
1560: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1561: if ($last_reset) {
1562: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1563: $aggregate{$symb."\0".$part."\0users"} = 1;
1564: }
1565: }
1566: }
1567: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1568: }
1.470 raeburn 1569: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1570: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1571: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1572: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1573: $randtrycounter{$symb."\0".$part} = 1;
1574: } else {
1575: $anoncounter{$symb."\0".$part} = 1;
1576: }
1.545 raeburn 1577: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.'::'};
1.537 raeburn 1578: if ($needsrelease) {
1.470 raeburn 1579: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1580: if ($curr_required eq '') {
1.471 raeburn 1581: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1582: } else {
1583: my ($currmajor,$currminor) = split(/\./,$curr_required);
1584: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1585: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1586: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1587: }
1.292 raeburn 1588: }
1589: }
1.285 raeburn 1590: }
1591: }
1.526 raeburn 1592: if (keys(%aggregate) > 0) {
1.289 albertel 1593: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1594: $cdomain,$cname);
1595: }
1.472 raeburn 1596: if (keys(%anoncounter) > 0) {
1.481 raeburn 1597: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1598: $cdomain,$cname);
1.472 raeburn 1599: }
1.479 raeburn 1600: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1601: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1602: $cdomain,$cname);
1.479 raeburn 1603: }
1.292 raeburn 1604: }
1.289 albertel 1605:
1.557 raeburn 1606: sub access_status_msg {
1607: my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_;
1608: my $msg;
1609: if ($target eq 'web') {
1610: if ($status eq 'UNAVAILABLE') {
1611: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1612: } elsif ($status eq 'NOT_IN_A_SLOT') {
1613: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1614: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1615: ($status eq 'NOTRESERVABLE')) {
1616: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1617: } elsif ($status ne 'NOT_YET_VIEWED') {
1618: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1619: }
1620: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1621: $msg.=&mt('The problem ').$accessmsg;
1622: } elsif ($status eq 'UNCHECKEDOUT') {
1623: $msg.=&checkout_msg();
1624: } elsif ($status eq 'NOT_YET_VIEWED') {
1625: $msg.=&firstaccess_msg($accessmsg,$symb);
1626: } elsif ($status eq 'NOT_IN_A_SLOT') {
1627: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1628: } elsif ($status eq 'RESERVABLE') {
1629: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1630: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1631: '<br />'.
1632: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1633: } elsif ($status eq 'RESERVABLE_LATER') {
1634: $msg.=&mt('Window to make a reservation will open [_1].',
1635: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1636: } elsif ($status eq 'NOTRESERVABLE') {
1637: $msg.=&mt('Not available to make a reservation.');
1638: } elsif ($status eq 'NEED_DIFFERENT_IP') {
1639: if ($ipused) {
1640: $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");
1641: } else {
1642: $msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
1643: &mt('Somebody else has already used this particular computer for that purpose.');
1644: }
1645: }
1646: $msg.='<br />';
1647: } elsif ($target eq 'tex') {
1648: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1649: : '\begin{minipage}{\textwidth}';
1650:
1651: $msg ='\noindent \vskip 1 mm '.
1652: $startminipage.'\vskip 0 mm';
1653: if ($status eq 'UNAVAILABLE') {
1654: $msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1655: } else {
1656: $msg.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1657: }
1658: }
1659: return $msg;
1660: }
1661:
1662: sub checkin_prompt {
1663: my ($target,$slot_name,$slot,$type) = @_;
1664: my $result;
1665: if ($target eq 'web') {
1666: $result = &Apache::bridgetask::proctor_validation_screen($slot);
1667: } elsif ($target eq 'grade') {
1668: if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) {
1669: $result = &mt('An error occurred during check-in');
1670: }
1671: }
1672: return $result;
1673: }
1674:
1675: sub selfcheckin_resource {
1676: my ($resource_due,$slot_name,$slot,$symb) = @_;
1677: if ($slot_name ne '') {
1678: my $checked_in =
1679: $Apache::lonhomework::history{'resource.0.checkedin'};
1680: if ($checked_in eq '') {
1681: # unproctored slot access, self checkin
1682: my $needsiptied;
1683: if (ref($slot)) {
1684: $needsiptied = $slot->{'iptied'};
1685: }
1686: my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1687: $slot_name,$needsiptied);
1688: if ($check =~ /^error: /) {
1689: &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name");
1690: } else {
1691: $checked_in = $Apache::lonhomework::results{"resource.0.checkedin"};
1692: }
1693: }
1694: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1695: if ($slot->{'starttime'} < time()) {
1696: if (!$resource_due) {
1697: $resource_due = $slot->{'endtime'};
1698: } elsif ($slot->{'endtime'} < $resource_due) {
1699: $resource_due = $slot->{'endtime'};
1700: }
1701: }
1702: }
1703: }
1704: return $resource_due;
1705: }
1706:
1.65 albertel 1707: sub checkout_msg {
1.211 albertel 1708: my %lt=&Apache::lonlocal::texthash(
1709: 'resource'=>'The resource needs to be checked out',
1710: '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.',
1711: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 1712: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
1713: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 1714: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1715: return (<<ENDCHECKOUT);
1.211 albertel 1716: <h2>$lt{'resource'}</h2>
1717: <p>$lt{'id_expln'}</p>
1.449 bisitz 1718: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1719: <form name="checkout" method="post" action="$uri">
1.91 albertel 1720: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1721: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1722: </form>
1723: ENDCHECKOUT
1724: }
1725:
1.252 albertel 1726: sub firstaccess_msg {
1.253 albertel 1727: my ($time,$symb)=@_;
1.414 albertel 1728: my $result;
1729: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1730: if ($interval[1] eq 'map') {
1731: my ($map)=&Apache::lonnet::decode_symb($symb);
1732: my $foldertitle=&Apache::lonnet::gettitle($map);
1733:
1734: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1735: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1736: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1737: ,$foldertitle,$time)."</p>";
1.414 albertel 1738: } elsif ($interval[1] eq 'course') {
1739: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1740: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1741: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1742: ,$course,$time)."</p>";
1.414 albertel 1743: } else {
1744: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1745: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1746: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1747: ,$title,$time)."</p>";
1.414 albertel 1748: }
1.352 albertel 1749: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1750: my $buttontext = &mt('Show Resource');
1751: my $timertext = &mt('Start Timer?');
1.571 raeburn 1752: my $shownsymb = &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb),'\'"<>&');
1.414 albertel 1753: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1754: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1755: <input type="hidden" name="markaccess" value="yes" />
1.571 raeburn 1756: <input type="hidden" name="symb" value="$shownsymb" />
1.514 bisitz 1757: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1758: </form>
1759: ENDCHECKOUT
1.414 albertel 1760: return $result;
1.252 albertel 1761: }
1762:
1.204 albertel 1763: sub init_problem_globals {
1764: my ($type)=@_;
1765: #initialize globals
1.308 foxr 1766: # For problems, we start out in part 0 (outside a <part> tag).
1767: # and part 0 is used to describe the main body of the <problem>
1768: #
1.204 albertel 1769: if ($type eq 'problem') {
1770: $Apache::inputtags::part='0';
1771: @Apache::inputtags::partlist=('0');
1.405 albertel 1772: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1773: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1774:
1.266 albertel 1775: } elsif ($type eq 'library') {
1.204 albertel 1776: $Apache::inputtags::part='';
1777: @Apache::inputtags::partlist=();
1.405 albertel 1778: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1779: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1780:
1.304 albertel 1781: } elsif ($type eq 'Task') {
1782: $Apache::inputtags::part='0';
1783: @Apache::inputtags::partlist=('0');
1.405 albertel 1784: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1785: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1786: }
1.477 www 1787: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1788: @Apache::inputtags::responselist = ();
1789: @Apache::inputtags::importlist = ();
1790: @Apache::inputtags::previous=();
1791: @Apache::inputtags::previous_version=();
1.536 raeburn 1792: $Apache::inputtags::leniency='';
1.204 albertel 1793: $Apache::structuretags::printanswer='No';
1794: @Apache::structuretags::whileconds=();
1795: @Apache::structuretags::whilebody=();
1796: @Apache::structuretags::whileline=();
1797: $Apache::lonhomework::scantronmode=0;
1.566 raeburn 1798: $Apache::lonhomework::randomizetrypart=0;
1.204 albertel 1799: undef($Apache::lonhomework::name);
1.358 albertel 1800: undef($Apache::lonhomework::default_type);
1801: undef($Apache::lonhomework::type);
1.204 albertel 1802: }
1803:
1804: sub reset_problem_globals {
1805: my ($type)=@_;
1806: undef(%Apache::lonhomework::history);
1807: undef(%Apache::lonhomework::results);
1808: undef($Apache::inputtags::part);
1.536 raeburn 1809: undef($Apache::inputtags::leniency);
1.498 raeburn 1810: if ($type eq 'Task') {
1811: undef($Apache::inputtags::slot_name);
1.528 raeburn 1812: } elsif ($type eq 'problem') {
1813: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1814: }
1.208 albertel 1815: #don't undef this, lonhomework.pm takes care of this, we use this to
1816: #detect if we try to do 2 problems in one file
1817: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1818: undef($Apache::lonhomework::name);
1.358 albertel 1819: undef($Apache::lonhomework::default_type);
1820: undef($Apache::lonhomework::type);
1821: undef($Apache::lonhomework::scantronmode);
1.566 raeburn 1822: undef($Apache::inputtags::randomizetrypart);
1.358 albertel 1823: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1824: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1825: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1826: }
1827:
1.241 albertel 1828: sub set_problem_state {
1.240 albertel 1829: my ($part)=@_;
1.284 albertel 1830: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1831: $Apache::lonhomework::history{"resource.$part.solved"}=
1832: 'correct_by_student';
1833: }
1834: }
1835:
1.241 albertel 1836: sub get_problem_status {
1837: my ($part)=@_;
1.267 albertel 1838: my $problem_status;
1.284 albertel 1839: if ($env{'request.state'} eq 'construct' &&
1840: defined($env{'form.problemstatus'})) {
1841: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1842: } else {
1843: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1844: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1845: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1846: }
1847: return $problem_status;
1848: }
1849:
1.9 albertel 1850: sub start_problem {
1.326 albertel 1851: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1852:
1.311 foxr 1853: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1854: if (!$Apache::lonxml::metamode) {
1855: &Apache::lonxml::startredirection();
1856: }
1.311 foxr 1857:
1.308 foxr 1858: # Problems don't nest and we don't allow more than one <problem> in
1859: # a .problem file.
1860: #
1.184 albertel 1861: if ( $Apache::inputtags::part ne '' ||
1862: $Apache::lonhomework::parsing_a_problem) {
1863: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1864: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1865: return '';
1866: }
1.184 albertel 1867:
1868: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1869: &init_problem_globals('problem');
1.166 albertel 1870:
1.284 albertel 1871: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1872: $Apache::lonhomework::scantronmode=1;
1873: }
1.161 albertel 1874:
1.159 albertel 1875: if ($target ne 'analyze') {
1.415 raeburn 1876: my $type = &Apache::lonnet::EXT('resource.0.type');
1877: $Apache::lonhomework::type=$type;
1.284 albertel 1878: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1879: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1880: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1881: }
1.332 albertel 1882: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1883: }
1.164 albertel 1884: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1885: my $uri=$env{'request.uri'};
1.159 albertel 1886: if ($uri=~/\.(\w+)$/) {
1887: $Apache::lonhomework::type=$1;
1888: &Apache::lonxml::debug("Using type of $1");
1889: } else {
1890: $Apache::lonhomework::type='problem';
1891: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1892: }
1.87 albertel 1893: }
1.301 albertel 1894: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1895:
1.363 albertel 1896: &initialize_storage();
1.389 albertel 1897: if ($target ne 'analyze'
1898: && $env{'request.state'} eq 'construct') {
1899: &set_problem_state('0');
1900: }
1901:
1.366 albertel 1902: if ($target eq 'web') {
1903: &Apache::lonxml::debug(" grading history ");
1904: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1905: }
1.363 albertel 1906:
1.159 albertel 1907: #added vars to the scripting enviroment
1.213 albertel 1908: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1909: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1910: &Apache::run::run($expression,$safeeval);
1.159 albertel 1911: my $status;
1912: my $accessmsg;
1.508 raeburn 1913: my $resource_due;
1.540 raeburn 1914: my $ipused;
1.159 albertel 1915:
1.343 albertel 1916: my $name= &get_resource_name($parstack,$safeeval);
1.561 raeburn 1917: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres);
1.506 raeburn 1918:
1919: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1920: $target eq 'tex') {
1921: if ($env{'form.markaccess'}) {
1922: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.539 raeburn 1923: my ($timelimit) = split(/_/,$interval[0]);
1.561 raeburn 1924: my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit);
1925: unless (($is_set eq 'ok') || ($is_set eq 'already_set')) {
1926: $firstaccres = $is_set;
1927: }
1.506 raeburn 1928: }
1929: }
1930:
1.354 albertel 1931: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1932: || $target eq 'edit') {
1.528 raeburn 1933: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1934: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1935: $name);
1.552 raeburn 1936: } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
1937: ($target eq 'answer')) {
1.528 raeburn 1938: my ($symb)= &Apache::lonnet::whichuser();
1.568 raeburn 1939: if ($symb ne '') {
1940: my $navmap = Apache::lonnavmaps::navmap->new();
1941: if (ref($navmap)) {
1942: my $res = $navmap->getBySymb($symb);
1943: if (ref($res)) {
1944: $probpartlist = $res->parts();
1945: }
1.528 raeburn 1946: }
1947: }
1.350 albertel 1948: }
1949:
1.574 raeburn 1950: if (($target eq 'web') && ($env{'request.user_in_effect'})) {
1951: &Apache::lonxml::get_all_text("/problem",$parser,$style);
1952: return $result;
1953: }
1954:
1.552 raeburn 1955: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1956: $target eq 'tex') {
1957:
1958: my ($symb)= &Apache::lonnet::whichuser();
1959: ($status,$accessmsg,$slot_name,$slot,$ipused) =
1960: &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
1961: push (@Apache::inputtags::status,$status);
1962: }
1963:
1.284 albertel 1964: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1965:
1.479 raeburn 1966: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1967: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1968: $target eq 'tex') {
1.479 raeburn 1969:
1.568 raeburn 1970: my ($symb) = &Apache::lonnet::whichuser();
1.159 albertel 1971: #handle rand seed in construction space
1.568 raeburn 1972: if (($env{'request.state'} eq 'construct') || ($symb eq '')) {
1973: my $partorder=&Apache::lonnet::metadata($env{'request.uri'},'partorder');
1974: if ($partorder ne '') {
1975: @{$probpartlist} = split(/,/,$partorder);
1976: }
1977: }
1.528 raeburn 1978: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1979: if (($target eq 'grade') && &Apache::response::submitted()) {
1980: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1981: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1982: } else {
1983: my @parts;
1984: if (ref($probpartlist) eq 'ARRAY') {
1985: @parts = @{$probpartlist};
1986: }
1987: unless (@parts) {
1.529 raeburn 1988: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1989: }
1990: }
1991: }
1.479 raeburn 1992:
1.333 albertel 1993: if ($env{'request.state'} ne "construct" &&
1994: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.565 raeburn 1995: my $rndseedval = $rndseed;
1996: if (($symb eq '') && ($Apache::lonhomework::type eq 'randomizetry')) {
1997: $rndseedval = $env{'form.rndseed'};
1998: }
1.162 albertel 1999: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.565 raeburn 2000: $rndseedval.'" />'.
1.551 damieng 2001: '<button type="submit" name="resetdata"
2002: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 2003: if (exists($env{'form.username'})) {
2004: $form_tag_start.=
1.164 albertel 2005: '<input type="hidden" name="username"
1.284 albertel 2006: value="'.$env{'form.username'}.'" />';
1.334 albertel 2007: }
1.462 raeburn 2008: if ($env{'request.role.adv'}) {
2009: $form_tag_start.= ' <label class="LC_nobreak">'
2010: .'<input type="checkbox" name="showallfoils"';
2011: if (defined($env{'form.showallfoils'})) {
2012: $form_tag_start.=' checked="checked"';
2013: }
2014: $form_tag_start.= ' /> '
2015: .&mt('Show All Foils')
2016: .'</label>';
2017: }
1.417 www 2018: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 2019: $form_tag_start.=&practice_problem_header();
1.417 www 2020: }
1.462 raeburn 2021: $form_tag_start.='<hr />';
1.570 raeburn 2022: }
1.565 raeburn 2023: if (($env{'request.state'} ne "construct") &&
2024: ($Apache::lonhomework::type eq 'randomizetry') &&
2025: ($status eq 'CAN_ANSWER') &&
2026: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
2027: (!$env{'request.role.adv'})) {
1.549 raeburn 2028: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.566 raeburn 2029: my @parts;
2030: if (ref($probpartlist) eq 'ARRAY') {
2031: @parts = @{$probpartlist};
2032: }
2033: unless (@parts) {
2034: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2035: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2036: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries,$symb);
2037: }
1.479 raeburn 2038: }
1.324 albertel 2039:
1.159 albertel 2040: my $expression='$external::datestatus="'.$status.'";';
2041: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
2042: &Apache::run::run($expression,$safeeval);
2043: &Apache::lonxml::debug("Got $status");
1.324 albertel 2044:
1.159 albertel 2045: if (( $status eq 'CLOSED' ) ||
2046: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2047: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 2048: ( $status eq 'BANNED') ||
1.216 albertel 2049: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 2050: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 2051: ( $status eq 'NOTRESERVABLE') ||
2052: ( $status eq 'RESERVABLE') ||
2053: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 2054: ( $status eq 'INVALID_ACCESS') ||
2055: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 2056: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2057: $style);
1.561 raeburn 2058: if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
2059: $result .= '<p class="LC_error">'.
2060: &mt('A problem occurred when trying to start the timer.').'</p>';
2061: }
1.557 raeburn 2062: $result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);
1.324 albertel 2063: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 2064: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
2065: $style);
1.557 raeburn 2066: $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 2067: } elsif ($target eq 'web') {
1.508 raeburn 2068: if ($status eq 'CAN_ANSWER') {
2069: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
2070: if ($slot_name ne '') {
1.557 raeburn 2071: $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
2072: $env{'request.symb'});
1.508 raeburn 2073: }
2074: if ($resource_due) {
2075: my $time_left = $resource_due - time();
2076: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
2077: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
2078: }
2079: }
2080: }
1.368 albertel 2081: $result.="\n $form_tag_start \t".
1.227 albertel 2082: '<input type="hidden" name="submitted" value="yes" />';
2083: # create a page header and exit
1.284 albertel 2084: if ($env{'request.state'} eq "construct") {
1.544 damieng 2085: if ($env{'form.inhibitmenu'} eq 'yes') {
2086: # error messages can be useful in any case
2087: $result.= &Apache::lonxml::message_location();
2088: } else {
1.542 raeburn 2089: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
2090: }
1.428 raeburn 2091: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2092: $result.= '<button type="submit" name="resetdata" '.
2093: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2094: &practice_problem_header().'<hr />';
1.564 raeburn 2095: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
2096: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2097: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2098: $result.=&randomizetry_problem_header($problemstatus,$reqtries);
1.428 raeburn 2099: }
1.227 albertel 2100: }
2101: # if we are viewing someone else preserve that info
1.284 albertel 2102: if (defined $env{'form.grade_symb'}) {
1.227 albertel 2103: foreach my $field ('symb','courseid','domain','username') {
2104: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 2105: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 2106: }
1.479 raeburn 2107: foreach my $field ('trial','questiontype') {
2108: if ($env{"form.grade_$field"} ne '') {
2109: $result .= '<input type="hidden" name="grade_'.$field.
2110: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
2111: }
2112: }
1.159 albertel 2113: }
1.490 raeburn 2114: if ($env{'form.grade_imsexport'}) {
2115: $result = '';
2116: }
1.159 albertel 2117: } elsif ($target eq 'tex') {
1.319 foxr 2118: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 2119: $result .= &select_metadata_hyphenation();
1.99 sakharuk 2120: }
1.159 albertel 2121: } elsif ($target eq 'edit') {
1.343 albertel 2122: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 2123: $Apache::lonxml::warnings_error_header=
2124: &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 2125: my $temp=&Apache::edit::insertlist($target,$token);
2126: $result.=$temp;
2127: } elsif ($target eq 'modified') {
2128: $result=$token->[4];
2129: } else {
2130: # page_start returned a starting result, delete it if we don't need it
2131: $result = '';
1.99 sakharuk 2132: }
1.159 albertel 2133: return $result;
1.9 albertel 2134: }
2135:
2136: sub end_problem {
1.159 albertel 2137: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 2138: my $result;
1.310 foxr 2139:
1.321 albertel 2140: if (!$Apache::lonxml::metamode) {
2141: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 2142: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2143: }
1.319 foxr 2144:
2145: if ($target eq 'tex') {
1.321 albertel 2146: # Figure out the front matter and replace the
2147: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
2148: # this in end_problem because whether or not we display due
2149: # dates depends on whether due dates have already been
2150: # displayed in the problem parts.
2151:
1.319 foxr 2152: my $frontmatter = '';
2153: my $startminipage = '';
2154: if (not $env{'form.problem_split'}=~/yes/) {
2155: $startminipage = '\begin{minipage}{\textwidth}';
2156: }
2157: my $id = $Apache::inputtags::part;
2158: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
2159: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2160: my @packages = split(/,/,$packages);
1.319 foxr 2161: my $allow_print_points = 0;
2162: foreach my $partial_key (@packages) {
2163: if ($partial_key=~m/^part_0$/) {
2164: $allow_print_points=1;
2165: }
2166: }
2167: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2168: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
2169: if (lc($env{'course.'.$env{'request.course.id'}.
2170: '.disableexampointprint'}) eq 'yes') {
2171: $allow_print_points=0;
2172: }
2173: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 2174: 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 2175: &clear_required_languages();
1.319 foxr 2176: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
2177: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
2178:
2179: # Figure out what the due date is and if we need to print
2180: # it in the problem header. We have been logging the
2181: # last due date written to file.
2182:
2183: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2184: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2185: my $duedate_text = &mt('Due date: [_1]'
2186: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2187: my $temp_file;
2188: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2189:
2190: # Figure out what the last printed due date is or set it
2191: # to the epoch if no duedates have been printed.
2192:
2193: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2194: if (-e $filename) {
2195: $temp_file = Apache::File->new($filename);
2196: my @due_file = <$temp_file>;
2197: $due_file_content = $due_file[$#due_file];
2198: chomp $due_file_content;
2199: }
2200:
2201: # We display the due date iff it is not the same as the last
2202: # duedate in problem header ($due_file_content), and
2203: # none of our parts displayed a duedate.
2204: #
2205: my $parts_with_displayduedate;
2206: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2207: $parts_with_displayduedate =
2208: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2209: } else {
2210: $parts_with_displayduedate = 0;
2211: }
2212: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2213: $temp_file = Apache::File->new('>'.$filename);
2214: print $temp_file "$duetime\n";
2215: if (not $env{'request.symb'} =~ m/\.page_/) {
2216: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2217: $frontmatter .= $begin_doc.
1.448 bisitz 2218: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2219: } else {
2220: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2221: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2222: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2223: }
1.319 foxr 2224: }
2225: } else {
1.448 bisitz 2226: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2227: }
2228: } else {
2229: if (not $env{'request.symb'} =~ m/\.page_/) {
2230: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2231: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2232: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2233: }
1.319 foxr 2234: } else {
1.381 albertel 2235: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2236: }
2237: }
2238: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
1.574 raeburn 2239: } elsif ($target eq 'web') {
2240: if ($env{'request.user_in_effect'}) {
2241: &reset_problem_globals('problem');
2242: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
2243: return $result;
2244: }
1.319 foxr 2245: }
2246:
1.159 albertel 2247: my $status=$Apache::inputtags::status['-1'];
2248: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2249: $target eq 'tex') {
1.249 albertel 2250: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2251: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2252: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2253: &Apache::inputtags::grade;
1.324 albertel 2254: } elsif ($status eq 'NEEDS_CHECKIN') {
2255: # no need to grade, and don't want to hide data
1.249 albertel 2256: } else {
2257: # move any submission data to .hidden
2258: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2259: }
1.159 albertel 2260: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2261: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2262: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2263: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2264: # if part is zero, no <part>s existed, so we need show the current
2265: # grading status
2266: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2267: $result.= $gradestatus;
2268: }
2269: if (
1.284 albertel 2270: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2271: ($target eq 'answer') || ($target eq 'tex')
2272: ) {
1.490 raeburn 2273: if (($target ne 'tex') &&
2274: ($env{'form.answer_output_mode'} ne 'tex') &&
2275: (!$env{'form.grade_imsexport'})) {
1.254 www 2276: $result.="</form>";
1.159 albertel 2277: }
2278: if ($target eq 'web') {
1.507 raeburn 2279: #
2280: # Closing </body></html> not added by end_page().
2281: # Added separately at end of this routine, after added
2282: # <script></script> so document will be valid xhtml.
2283: #
1.546 raeburn 2284: my $showdisc = 1;
1.547 raeburn 2285: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
2286: (!$env{'request.role.adv'})) {
2287: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 2288: $showdisc = 0;
1.547 raeburn 2289: my ($symb)= &Apache::lonnet::whichuser();
2290: if ($symb) {
2291: my $navmap = Apache::lonnavmaps::navmap->new();
2292: if (ref($navmap)) {
2293: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
2294: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 2295: # and there are no tries left
1.547 raeburn 2296: unless ($hastries) {
2297: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
2298: my ($score,$incomplete) =
2299: &Apache::lonplacementtest::check_completion(undef,undef,1);
2300: if (!$incomplete) {
2301: $result .= &Apache::lonplacementtest::showresult(1,1);
2302: } elsif ($incomplete < 100) {
2303: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
2304: }
2305: } else {
2306: # For Placement Tests score is displayed if test has just been completed
2307: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
2308: if (!$incomplete) {
2309: $result.= &Apache::lonplacementtest::showresult(1,1);
2310: }
2311: }
2312: }
2313: }
2314: }
1.546 raeburn 2315: }
2316: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 2317: 'notbody' => 1});
1.159 albertel 2318: } elsif ($target eq 'tex') {
1.178 sakharuk 2319: my $endminipage = '';
1.284 albertel 2320: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2321: $endminipage = '\end{minipage}';
2322: }
1.284 albertel 2323: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2324: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2325: } else {
1.262 sakharuk 2326: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2327: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2328: $result .= $endminipage.'\end{document} ';
2329: } else {
1.382 albertel 2330: $result .= $endminipage;
1.262 sakharuk 2331: }
1.159 albertel 2332: }
2333: }
2334: }
1.476 www 2335: if ($target eq 'web') {
1.566 raeburn 2336: $result.=&Apache::functionplotresponse::init_script();
2337: if ($Apache::lonhomework::default_type eq 'randomizetry') {
2338: my ($symb) = &Apache::lonnet::whichuser();
2339: if ((($env{'request.state'} eq 'construct') || ($symb eq '')) &&
2340: ($status eq 'CAN_ANSWER')) {
2341: unless (@Apache::inputtags::partlist > 1) {
2342: $result.= <<"ENDJS";
2343: <script type="text/javascript">
2344: // <![CDATA[
2345: \$(document).ready(function() {
2346: \$('#LC_randomizetry_header').css('display','block');
2347: });
2348: // ]]>
2349: </script>
2350: ENDJS
2351: }
2352: }
2353: }
1.476 www 2354: }
1.159 albertel 2355: if ($target eq 'grade') {
2356: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2357: &finalize_storage();
2358: }
1.284 albertel 2359: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2360: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2361: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2362: # normally we get it from above, but in CSTR
1.172 albertel 2363: # we always show answer mode too.
1.159 albertel 2364: }
2365: } elsif ($target eq 'meta') {
2366: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2367: @Apache::inputtags::response=();
1.159 albertel 2368: $result=&Apache::response::mandatory_part_meta;
2369: }
1.559 raeburn 2370: $result.=&Apache::response::meta_part_order('problem');
1.258 albertel 2371: $result.=&Apache::response::meta_response_order();
1.159 albertel 2372: } elsif ($target eq 'edit') {
2373: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2374: $result .= &problem_edit_footer();
1.320 albertel 2375: } elsif ($target eq 'modified') {
2376: $result .= $token->[2];
1.159 albertel 2377: }
1.155 albertel 2378:
1.284 albertel 2379: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2380: &Apache::inputtags::check_for_duplicate_ids();
2381: }
1.204 albertel 2382:
2383: &reset_problem_globals('problem');
1.159 albertel 2384:
1.502 foxr 2385: #
2386: # This shouild be just above the return so that the
2387: # time put in the javascript is as late as possible in the
2388: # computation:
2389: #
2390: if ($target eq 'web') {
1.578 raeburn 2391: $result .= &Apache::lonhtmlcommon::dash_to_minus_js().
2392: &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2393: #
2394: # Closing tags delayed so any <script></script> tags
2395: # not in head can appear inside body, for valid xhtml.
2396: #
2397: $result .= "</body>\n</html>";
1.502 foxr 2398: }
1.159 albertel 2399: return $result;
1.48 albertel 2400: }
2401:
1.108 albertel 2402:
1.48 albertel 2403: sub start_library {
1.159 albertel 2404: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2405: my ($result,$form_tag_start);
1.371 albertel 2406: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2407: &init_problem_globals('library');
2408: $Apache::lonhomework::type='problem';
2409: }
1.159 albertel 2410: if ($target eq 'edit') {
1.343 albertel 2411: ($result,$form_tag_start)=
2412: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2413: 'Edit');
2414: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2415: my $temp=&Apache::edit::insertlist($target,$token);
2416: $result.=$temp;
2417: } elsif ($target eq 'modified') {
2418: $result=$token->[4];
1.340 albertel 2419: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2420: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2421: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2422: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2423: ($result,$form_tag_start)=
2424: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2425: $name);
1.479 raeburn 2426: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2427: $result.=" \n $form_tag_start".
1.159 albertel 2428: '<input type="hidden" name="submitted" value="yes" />';
2429: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2430: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2431: $result.= '<button type="submit" name="resetdata" '.
2432: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2433: &practice_problem_header().'<hr />';
1.428 raeburn 2434: }
1.159 albertel 2435: }
2436: return $result;
1.48 albertel 2437: }
2438:
2439: sub end_library {
1.159 albertel 2440: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2441: my $result='';
2442: if ($target eq 'edit') {
2443: $result=&problem_edit_footer();
1.371 albertel 2444: } elsif ($target eq 'web'
2445: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2446: && $env{'request.state'} eq "construct") {
1.349 albertel 2447: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.558 raeburn 2448: } elsif ($target eq 'meta') {
1.559 raeburn 2449: $result.=&Apache::response::meta_part_order('library');
1.558 raeburn 2450: $result.=&Apache::response::meta_response_order();
1.159 albertel 2451: }
1.371 albertel 2452: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2453: &reset_problem_globals('library');
2454: }
1.159 albertel 2455: return $result;
1.197 www 2456: }
2457:
2458: sub start_definetag {
1.326 albertel 2459: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2460:
2461: my $result;
2462:
2463: my $name = $token->[2]->{'name'};
1.326 albertel 2464: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2465: if ($target eq 'web') {
2466: if ($name=~/^\//) {
2467: $result=
2468: '<br /><table class="LC_sty_end"><tr><th>'.
2469: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2470: } else {
2471: $result=
2472: '<br /><table class="LC_sty_begin"><tr><th>'.
2473: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2474: }
2475: $skip = &HTML::Entities::encode($skip, '<>&"');
2476: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2477: }
2478: return $result;
2479: }
2480:
2481: sub end_definetag {
2482: return '';
1.1 albertel 2483: }
2484:
2485: sub start_block {
1.201 albertel 2486: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2487:
2488: my $result;
1.1 albertel 2489:
1.339 albertel 2490: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2491: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2492: my $code = $token->[2]->{'condition'};
1.385 albertel 2493: if (defined($code) && $code ne '') {
1.137 albertel 2494: if (!$Apache::lonxml::default_homework_loaded) {
2495: &Apache::lonxml::default_homework_load($safeeval);
2496: }
1.131 albertel 2497: $result = &Apache::run::run($code,$safeeval);
2498: &Apache::lonxml::debug("block :$code: returned :$result:");
2499: } else {
2500: $result='1';
2501: }
2502: if ( ! $result ) {
1.201 albertel 2503: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2504: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2505: }
2506: $result='';
2507: } elsif ($target eq 'edit') {
2508: $result .=&Apache::edit::tag_start($target,$token);
2509: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2510: $token,40);
2511: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2512: } elsif ($target eq 'modified') {
2513: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2514: $safeeval,'condition');
2515: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2516: }
1.131 albertel 2517: return $result;
1.1 albertel 2518: }
2519:
2520: sub end_block {
1.167 www 2521: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2522: my $result;
2523: if ($target eq "edit") {
2524: $result.= &Apache::edit::tag_end($target,$token,'');
2525: }
2526: return $result;
2527: }
1.500 foxr 2528: #
2529: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2530: # ...
2531: # </languageblock>
2532: #
2533: # This declares the intent to provide content that can be rendered in the
2534: # set of languages in the include specificatino but not in the exclude
2535: # specification. If a currently preferred language is in the include list
2536: # the content in the <languageblock>...</languageblock> is rendered
2537: # If the currently preferred language is in the exclude list,
2538: # the content in the <languageblock>..></languageblock is not rendered.
2539: #
2540: # Pathalogical case handling:
2541: # - Include specified, without the preferred language but exclude specified
2542: # also without the preferred langauge results in rendering the block.
2543: # - Exclude specified without include and excluden not containing a
2544: # preferred language renders the block.
2545: # - Include and exclude both specifying the preferred language does not
2546: # render the block.
2547: # - If neither include/exclude is specified, the block gets rendered.
2548: #
2549: # This tag has no effect when target is in {edit, modified}
2550: #
1.167 www 2551: sub start_languageblock {
1.201 albertel 2552: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2553:
1.500 foxr 2554: my $result = '';
1.167 www 2555:
1.339 albertel 2556: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2557: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2558: my $include = $token->[2]->{'include'};
2559: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2560: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2561:
2562: # This should not even happen, since we should at least have the server language
2563:
2564: if (!$preferred_languages[0]) {
2565: $preferred_languages[0]='en';
2566: }
2567:
2568: # Now loop over all languages in order of preference
2569:
2570: my $render;
1.398 www 2571: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2572:
2573: # If neither include/nor exlude is present the block is going
2574: # to get rendered.
2575:
1.399 www 2576: my $found=0;
1.500 foxr 2577: $render=1;
2578:
2579: # If include is specified, don't render the block
2580: # unless the preferred language is included in the set.
2581:
1.398 www 2582: if ($include) {
1.500 foxr 2583: $render=0;
1.398 www 2584: foreach my $included_language (split(/\,/,$include)) {
2585: if ($included_language eq $preferred_language) {
1.500 foxr 2586: $render=1;
1.399 www 2587: $found=1;
1.500 foxr 2588: last; # Only need to find the first.
1.398 www 2589: }
2590: }
2591: }
1.500 foxr 2592: # Do we have an exclude argument?
2593: # If so, and one of the languages matches a preferred language
2594: # inhibit rendering the block. Note that in the pathalogical case the
2595: # author has specified a preferred language in both the include and exclude
2596: # attribte exclude is preferred.
2597:
1.398 www 2598: if ($exclude) {
1.500 foxr 2599: $render=1;
1.398 www 2600: foreach my $excluded_language (split(/\,/,$exclude)) {
2601: if ($excluded_language eq $preferred_language) {
1.500 foxr 2602: $render=0;
1.399 www 2603: $found=1;
1.500 foxr 2604: last; # Only need to find the first.
1.398 www 2605: }
2606: }
2607: }
1.500 foxr 2608: if ($found) {
2609: last; # Done on any match of include or exclude.
2610: }
1.398 www 2611: }
1.500 foxr 2612: # If $render not true skip the entire block until </languageblock>
2613: #
2614:
2615: if ( ! $render ) {
1.201 albertel 2616: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2617: $style);
2618: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2619: }
1.500 foxr 2620: # If $render is true, we've not skipped the contents of the <languageglock>
2621: # and the normal loncapa processing flow will render it as a matter of course.
2622:
1.167 www 2623: } elsif ($target eq 'edit') {
2624: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2625: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2626: $token,40);
1.211 albertel 2627: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2628: $token,40);
2629: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2630: } elsif ($target eq 'modified') {
2631: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2632: $safeeval,'include',
2633: 'exclude');
1.167 www 2634: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2635: }
2636: return $result;
2637: }
2638:
2639: sub end_languageblock {
1.170 www 2640: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2641: my $result;
1.201 albertel 2642: if ($target eq "edit") {
1.170 www 2643: $result.= &Apache::edit::tag_end($target,$token,'');
2644: }
2645: return $result;
2646: }
1.500 foxr 2647: # languagblock specific tags:
2648: {
2649: # For chunks of a resource that has translations, this hash contains
2650: # the translations available indexed by language name.
2651: #
2652:
2653: my %available_texts;
1.170 www 2654:
1.500 foxr 2655: # <translated> starts a block of a resource that has multiple translations.
2656: # See the <lang> tag as well.
2657: # When </translated> is encountered if there is a translation for the
2658: # currently preferred language, that is rendered inthe web/tex/webgrade
2659: # targets. Otherwise, the default text is rendered.
2660: #
2661: # Note that <lang> is only registered for the duration of the
2662: # <translated>...</translated> block
2663: #
2664: # Pathalogical case handling:
2665: # - If there is no <lang> that specifies a 'default' and there is no
2666: # translation that matches a preferred language, nothing is rendered.
2667: # - Nested <translated>...</translated> might be linguistically supported by
2668: # XML due to the stack nature of tag registration(?) however the rendered
2669: # output will be incorrect because there is only one %available_texts
2670: # has and end_translated clears it.
2671: # - Material outside of a <lang>...</lang> block within the
2672: # <translated>...<translated> block won't render either e.g.:
2673: # <translated>
2674: # The following will be in your preferred langauge:
2675: # <lang which='en'>
2676: # This section in english
2677: # </lang>
2678: # <lang which='sgeiso'>
2679: # Hier es ist auf Deutsch.
2680: # </lang>
2681: # <lang which='sfriso'>
2682: # En Francais
2683: # </lang>
2684: # </translated>
2685: #
2686: # The introductory text prior to the first <lang> tag is not rendered.
2687: #
1.397 albertel 2688: sub start_translated {
2689: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2690: &Apache::lonxml::register('Apache::structuretags',('lang'));
2691: undef(%available_texts);
2692: }
2693:
2694: sub end_translated {
2695: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2696: my $result;
2697: #show the translation on viewable targets
2698: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2699: # or non-viewable targets, if it's embedded in something that
2700: # wants the output
2701: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2702: && &Apache::lonxml::in_redirection() ) ) {
2703: my @possibilities = keys(%available_texts);
2704: my $which =
2705: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2706: if ($target eq 'tex') {
2707: $result = &select_hyphenation($which);
2708: }
2709: $result .= $available_texts{$which};
2710: if ($target eq 'tex') {
2711: $result .= &select_metadata_hyphenation(); # Restore original language.
2712: }
1.397 albertel 2713: }
2714: undef(%available_texts);
2715: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2716: return $result;
2717: }
2718:
1.500 foxr 2719: # <lang [which='language-name'] [other='lang1,lang2...']>
2720: # Specifies that the block contained within it is a translation
2721: # for a specific language specified by the 'which' attribute. The
2722: # 'other' attribute can be used by itself or in conjunction with
2723: # which to specify this tag _may_ be used as a translation for some
2724: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2725: # specifying that the block provides a translation for US (primary)
2726: # Canadian, Australian and UK Englush.
2727: #
2728: # Comment: this seems a bit silly why not just support a list of languages
2729: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2730: #
2731: # Effect:
2732: # The material within the <lang>..</lang> block is stored in the
2733: # specified set of $available_texts hash entries, the appropriate one
2734: # is selected at </translated> time.
2735: #
2736: # Pathalogical case handling:
2737: # If a language occurs multiple times within a <translated> block,
2738: # only the last one is rendered e.g.:
2739: #
2740: # <translated>
2741: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2742: # Red green color blindness is quite common affecting about 7.8% of
2743: # the male population, but onloy about .65% of the female population.
2744: # </lang>
2745: # Red green colour blindness is quite common affecting about 7.8% of
2746: # the male population, but onloy about .65% of the female population.
2747: # <lang which='seniso', other='senisoCA,senisoAU'>
2748: # </translated>
2749: #
2750: # renders the correct spelling of color (colour) for people who have specified
2751: # a preferred language that is one of the British Commonwealth languages
2752: # even though those are also listed as valid selections for the US english
2753: # <lang> block.
2754: #
1.397 albertel 2755: sub start_lang {
2756: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2757: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2758: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2759: &Apache::lonxml::startredirection();
2760: }
2761: return '';
2762: }
2763:
2764: sub end_lang {
2765: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2766: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2767: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2768: my $result = &Apache::lonxml::endredirection();
2769: my $which = &Apache::lonxml::get_param('which',$parstack,
2770: $safeeval);
1.431 raeburn 2771: if ($which=~/\w/) {
2772: $available_texts{$which} = $result;
2773: }
2774: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2775: $safeeval);
2776: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2777: if ($language=~/\w/) {
2778: $available_texts{$language} = $result;
2779: }
1.427 bisitz 2780: }
2781:
1.397 albertel 2782: }
2783: return '';
2784: }
1.500 foxr 2785: } # end langauge block specific tags.
2786:
1.397 albertel 2787:
1.170 www 2788: sub start_instructorcomment {
1.201 albertel 2789: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2790:
2791: my $result;
2792:
1.339 albertel 2793: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2794: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2795: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2796: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2797: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2798: $parser,$style);
1.170 www 2799: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2800: }
2801: $result='';
2802: } elsif ($target eq 'edit') {
2803: $result .=&Apache::edit::tag_start($target,$token);
2804: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2805: }
2806: return $result;
2807: }
2808:
2809: sub end_instructorcomment {
1.159 albertel 2810: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2811: my $result;
2812: if ($target eq "edit") {
2813: $result.= &Apache::edit::tag_end($target,$token,'');
2814: }
2815: return $result;
1.4 tsai 2816: }
2817:
2818: sub start_while {
1.326 albertel 2819: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2820:
1.160 albertel 2821: my $result;
1.339 albertel 2822: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2823: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2824: my $code = $token->[2]->{'condition'};
1.4 tsai 2825:
1.160 albertel 2826: push( @Apache::structuretags::whileconds, $code);
2827: if (!$Apache::lonxml::default_homework_loaded) {
2828: &Apache::lonxml::default_homework_load($safeeval);
2829: }
2830: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2831: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2832: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2833: push( @Apache::structuretags::whileline, $token->[5]);
2834: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2835: if ( $result ) {
2836: &Apache::lonxml::newparser($parser,\$bodytext);
2837: }
2838: } elsif ($target eq 'edit') {
2839: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2840: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2841: $token,40);
2842: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2843: } elsif ($target eq 'modified') {
2844: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2845: $safeeval,'condition');
2846: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2847: }
1.160 albertel 2848: return $result;
1.4 tsai 2849: }
2850:
2851: sub end_while {
1.159 albertel 2852: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2853: my $result;
2854:
1.339 albertel 2855: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2856: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2857: my $code = pop(@Apache::structuretags::whileconds);
2858: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2859: my $line = pop(@Apache::structuretags::whileline);
2860: my $return = &Apache::run::run($code,$safeeval);
2861: my $starttime=time;
2862: my $error=0;
2863: while ($return) {
2864: if (time-$starttime >
2865: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2866: $return = 0; $error=1; next;
1.161 albertel 2867: }
2868: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2869: if ($target eq 'grade' || $target eq 'answer' ||
2870: $target eq 'analyze') {
2871: # grade/answer/analyze should produce no output but if we
2872: # are redirecting, the redirecter should know what to do
2873: # with the output
2874: if (!$Apache::lonxml::redirection) { undef($result); }
2875: }
1.161 albertel 2876: $return = &Apache::run::run($code,$safeeval);
2877: }
1.516 bisitz 2878: if ($error) {
2879: &Apache::lonxml::error(
2880: '<pre>'
2881: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2882: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2883: .&mt('This occurred while running <while> on line [_1].',
2884: $line)
2885: .'</pre>');
2886: }
1.160 albertel 2887: } elsif ($target eq "edit") {
2888: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2889: }
1.160 albertel 2890: return $result;
1.1 albertel 2891: }
1.6 tsai 2892:
1.160 albertel 2893: # <randomlist show="1">
1.6 tsai 2894: # <tag1>..</tag1>
2895: # <tag2>..</tag2>
2896: # <tag3>..</tag3>
1.160 albertel 2897: # ...
1.6 tsai 2898: # </randomlist>
2899: sub start_randomlist {
1.326 albertel 2900: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2901: my $result;
1.339 albertel 2902: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2903: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2904: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2905: my $b_parser= HTML::LCParser->new(\$body);
2906: $b_parser->xml_mode(1);
2907: $b_parser->marked_sections(1);
1.159 albertel 2908: my $b_tok;
2909: my @randomlist;
2910: my $list_item;
2911: while($b_tok = $b_parser->get_token() ) {
2912: if($b_tok->[0] eq 'S') { # start tag
2913: # get content of the tag until matching end tag
2914: # get all text upto the matching tag
2915: # and push the content into @randomlist
2916: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2917: $b_parser);
2918: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2919: push(@randomlist,$list_item);
2920: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2921: # $list_item</b>";
2922: }
2923: if($b_tok->[0] eq 'T') { # text
2924: # what to do with text in between tags?
2925: # print "<b>TEXT $b_tok->[1]</b><br />";
2926: }
2927: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2928: # print "<b>END-TAG $b_tok->[1]</b><br />";
2929: # }
2930: }
1.303 albertel 2931: if (@randomlist) {
2932: my @idx_arr = (0 .. $#randomlist);
1.555 raeburn 2933: if ($env{'form.code_for_randomlist'}) {
2934: &Apache::structuretags::shuffle(\@idx_arr,$target);
2935: undef($env{'form.code_for_randomlist'});
2936: } else {
2937: &Apache::structuretags::shuffle(\@idx_arr);
2938: }
1.303 albertel 2939: my $bodytext = '';
2940: my $show=$#randomlist;
2941: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2942: $showarg--;
2943: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2944: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2945: my @currlist;
2946: my $part = $Apache::inputtags::part;
2947: if ($part ne '') {
2948: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2949: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2950: if (!(grep(/^\Q$part\E$/,@currlist))) {
2951: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2952: }
2953: } else {
2954: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2955: }
2956: }
2957: }
1.526 raeburn 2958: for my $i (0 .. $show) {
2959: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2960: }
2961: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2962: }
2963: } elsif ($target eq 'edit' ) {
2964: $result .=&Apache::edit::tag_start($target,$token);
2965: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2966: $token,5);
2967: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2968: } elsif ($target eq 'modified' ) {
2969: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2970: $safeeval,'show');
2971: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2972: }
2973: return $result;
1.7 tsai 2974: }
2975:
2976: sub shuffle {
1.555 raeburn 2977: my ($a,$target) = @_;
1.7 tsai 2978: my $i;
1.303 albertel 2979: if (ref($a) eq 'ARRAY' && @$a) {
1.555 raeburn 2980: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2981: for($i=@$a;--$i;) {
2982: my $j=int(&Math::Random::random_uniform() * ($i+1));
2983: next if $i == $j;
2984: @$a[$i,$j] = @$a[$j,$i];
2985: }
1.251 albertel 2986: &Apache::response::poprandomnumber();
1.7 tsai 2987: }
1.6 tsai 2988: }
2989:
2990: sub end_randomlist {
1.159 albertel 2991: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2992: my $result;
2993: if ($target eq 'edit' ) {
2994: $result=&Apache::edit::tag_end($target,$token,
2995: 'End Randomly Parsed Block');
2996: }
2997: return $result;
1.6 tsai 2998: }
2999:
1.283 albertel 3000: sub ordered_show_check {
3001: my $last_part=$Apache::inputtags::partlist[-2];
3002: my $in_order=
3003: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
3004: my $in_order_show=1;
3005: if ($last_part ne '0' && lc($in_order) eq 'yes') {
3006: $in_order_show=&Apache::response::check_status($last_part);
3007: }
3008: return $in_order_show;
3009: }
3010:
1.469 www 3011:
3012: sub start_startpartmarker {
3013: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3014: my $result='';
3015: if ($target eq 'edit') {
3016: $result=&Apache::edit::tag_start($target,$token);
3017: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
3018: $result.=&Apache::edit::end_table();
3019:
3020: }
3021: return $result;
3022: }
3023:
3024: sub end_startpartmarker {
3025: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3026: my @result;
3027: if ($target eq 'edit') { $result[1]='no'; }
3028: return @result;
3029: }
3030:
3031: sub start_endpartmarker {
3032: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3033: my $result='';
3034: if ($target eq 'edit') {
3035: $result=&Apache::edit::tag_start($target,$token);
3036: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
3037: $result.=&Apache::edit::end_table();
3038:
3039: }
3040: return $result;
3041: }
3042:
3043: sub end_endpartmarker {
3044: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3045: my @result;
3046: if ($target eq 'edit') { $result[1]='no'; }
3047: return @result;
3048: }
3049:
3050:
3051:
3052:
3053:
1.11 albertel 3054: sub start_part {
1.326 albertel 3055: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 3056: if (!$Apache::lonxml::metamode) {
3057: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
3058: # duedates.
3059: }
1.159 albertel 3060: my $result='';
1.386 albertel 3061: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 3062: $Apache::inputtags::part=$id;
1.177 albertel 3063: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 3064: $Apache::inputtags::leniency='';
1.177 albertel 3065: @Apache::inputtags::response=();
1.159 albertel 3066: @Apache::inputtags::previous=();
3067: @Apache::inputtags::previous_version=();
1.405 albertel 3068: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 3069: &Apache::response::reset_params();
3070:
1.159 albertel 3071: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 3072: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
3073: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 3074: if ($Apache::lonhomework::type eq 'randomizetry') {
3075: my $rndseed=&setup_rndseed($safeeval,$target);
3076: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 3077: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 3078: }
1.570 raeburn 3079: } elsif (@Apache::inputtags::partlist > 1) {
3080: my $prevparttype = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[-2].type");
3081: if ($prevparttype eq 'randomizetry') {
3082: my $rndseed=&setup_rndseed($safeeval,$target,'',$prevparttype);
3083: if (($target eq 'grade') && &Apache::response::submitted()) {
3084: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
3085: }
3086: }
1.528 raeburn 3087: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 3088: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 3089: }
1.283 albertel 3090: my $in_order_show=&ordered_show_check();
1.214 albertel 3091: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 3092: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 3093: &Apache::run::run($expression,$safeeval);
1.159 albertel 3094:
3095: if ($target eq 'meta') {
1.224 www 3096: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
3097: return &Apache::response::mandatory_part_meta.
3098: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 3099: } elsif ($target eq 'web' || $target eq 'grade' ||
3100: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 3101: if ($hidden || !$in_order_show) {
1.326 albertel 3102: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 3103: } else {
3104: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
3105: push (@Apache::inputtags::status,$status);
3106: my $expression='$external::datestatus="'.$status.'";';
3107: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
3108: &Apache::run::run($expression,$safeeval);
1.284 albertel 3109: if ($env{'request.state'} eq 'construct') {
1.241 albertel 3110: &set_problem_state($Apache::inputtags::part);
1.240 albertel 3111: }
1.216 albertel 3112: if (( $status eq 'CLOSED' ) ||
3113: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 3114: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 3115: ( $status eq 'BANNED') ||
3116: ( $status eq 'UNAVAILABLE') ||
3117: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 3118: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
3119: $style);
1.159 albertel 3120: if ( $target eq "web" ) {
1.211 albertel 3121: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 3122: } elsif ( $target eq 'tex' ) {
1.284 albertel 3123: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 3124: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 3125: } else {
1.211 albertel 3126: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 3127: }
1.159 albertel 3128: }
3129: } else {
3130: if ($target eq 'tex') {
1.284 albertel 3131: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 3132: if ($$tagstack[-2] eq 'td') {
1.388 foxr 3133: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 3134: } else {
3135: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
3136: }
1.195 sakharuk 3137: }
1.159 albertel 3138: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 3139: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 3140: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 3141: my $allow_print_points = 0;
3142: foreach my $partial_key (@allkeys) {
1.230 albertel 3143: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 3144: if ($1 ne '0') {$allow_print_points=1;}
3145: }
3146: }
1.275 albertel 3147: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
3148: if (defined($maxtries) && $maxtries < 0) {
3149: $allow_print_points=0;
3150: }
1.302 albertel 3151: if (lc($env{'course.'.$env{'request.course.id'}.
3152: '.disableexampointprint'}) eq 'yes') {
3153: $allow_print_points=0;
3154: }
1.463 foxr 3155: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 3156: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 3157:
3158: }
1.233 www 3159: } elsif ($target eq 'web') {
1.479 raeburn 3160: if ($status eq 'CAN_ANSWER') {
3161: my $problemstatus = &get_problem_status($Apache::inputtags::part);
3162: my $num = scalar(@Apache::inputtags::partlist)-1;
1.567 raeburn 3163: if ((($Apache::lonhomework::default_type eq 'randomizetry') ||
3164: ($Apache::lonhomework::randomizetrypart)) &&
1.566 raeburn 3165: ($Apache::lonhomework::type ne 'randomizetry')) {
3166: $result .= &randomizetry_part_header($problemstatus,'none',$num);
3167: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
3168: $Apache::lonhomework::randomizetrypart = 1;
3169: my $reqtries = &Apache::lonnet::EXT("resource.$id.randomizeontries");
1.479 raeburn 3170: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
3171: }
3172: }
1.475 raeburn 3173: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 3174: }
3175: }
3176: }
3177: } elsif ($target eq 'edit') {
3178: $result.=&Apache::edit::tag_start($target,$token);
3179: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
3180: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 3181: ' '.
3182: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 3183: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
3184: } elsif ($target eq 'modified') {
3185: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 3186: $safeeval,'id','display');
1.159 albertel 3187: if ($constructtag) {
1.225 albertel 3188: #limiting ids to only letters numbers, and space
1.224 www 3189: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 3190: $result = &Apache::edit::rebuild_tag($token);
3191: }
3192: }
3193: return $result;
1.11 albertel 3194: }
3195:
3196: sub end_part {
1.159 albertel 3197: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3198: &Apache::lonxml::debug("in end_part $target ");
3199: my $status=$Apache::inputtags::status['-1'];
3200: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 3201: my $in_order_show=&ordered_show_check();
1.321 albertel 3202: my $result;
3203: if (!$Apache::lonxml::metamode) {
3204: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 3205: $Apache::lonxml::post_evaluate=0;
1.321 albertel 3206: }
1.312 albertel 3207: if ($target eq 'grade') {
1.249 albertel 3208: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 3209: !$hidden && $in_order_show) {
1.311 foxr 3210: $result.=&Apache::inputtags::grade;
1.249 albertel 3211: } else {
3212: # move any submission data to .hidden
3213: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3214: }
1.283 albertel 3215: } elsif (($target eq 'web' || $target eq 'tex') &&
3216: !$hidden && $in_order_show) {
1.159 albertel 3217: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3218: $target);
1.490 raeburn 3219: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3220: ($env{'form.grade_imsexport'})) {
1.212 albertel 3221: $gradestatus='';
3222: }
1.311 foxr 3223: $result.=$gradestatus;
1.572 raeburn 3224: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {
3225: if (not $env{'form.problem_split'}=~/yes/) {
3226: $result.='\end{minipage}';
3227: }
1.573 raeburn 3228: }
1.181 albertel 3229: } elsif ($target eq 'edit') {
1.311 foxr 3230: $result.=&Apache::edit::end_table();
1.322 albertel 3231: } elsif ($target eq 'modified') {
3232: $result .= $token->[2];
1.159 albertel 3233: }
3234: pop @Apache::inputtags::status;
3235: $Apache::inputtags::part='';
1.536 raeburn 3236: $Apache::inputtags::leniency='';
1.295 albertel 3237: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3238: return $result;
1.11 albertel 3239: }
1.1 albertel 3240:
1.25 albertel 3241: sub start_preduedate {
1.326 albertel 3242: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3243: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3244: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3245: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3246: if (!$Apache::lonhomework::scantronmode &&
3247: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3248: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3249: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3250: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3251: }
1.24 albertel 3252: }
1.159 albertel 3253: return '';
1.24 albertel 3254: }
3255:
1.25 albertel 3256: sub end_preduedate {
1.159 albertel 3257: return '';
1.24 albertel 3258: }
3259:
1.369 foxr 3260: # In all the modes where <postanswerdate> text is
3261: # displayable, all we do is eat up the text between the start/stop
3262: # tags if the conditions are not right to display it.
1.25 albertel 3263: sub start_postanswerdate {
1.326 albertel 3264: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3265: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3266: &Apache::lonnet::allowed('pav',
3267: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3268: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3269: $target eq 'tex' ) {
1.300 albertel 3270: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3271: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3272: (($target eq 'tex') && !$pav)) {
1.326 albertel 3273: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3274: }
3275: }
3276: return '';
1.24 albertel 3277: }
3278:
1.25 albertel 3279: sub end_postanswerdate {
1.159 albertel 3280: return '';
1.24 albertel 3281: }
3282:
1.25 albertel 3283: sub start_notsolved {
1.326 albertel 3284: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3285: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3286: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3287: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3288: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3289: if ($gradestatus =~ /^correct/ &&
3290: &Apache::response::show_answer()) {
1.159 albertel 3291: &Apache::lonxml::debug("skipping");
1.326 albertel 3292: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3293: }
1.24 albertel 3294: }
1.159 albertel 3295: return '';
1.24 albertel 3296: }
3297:
1.25 albertel 3298: sub end_notsolved {
1.159 albertel 3299: return '';
1.24 albertel 3300: }
3301:
3302: sub start_solved {
1.326 albertel 3303: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3304: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3305: $target eq 'tex') {
3306: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3307: if ($gradestatus !~ /^correct/ ||
3308: !&Apache::response::show_answer()) {
1.326 albertel 3309: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3310: }
1.24 albertel 3311: }
1.159 albertel 3312: return '';
1.24 albertel 3313: }
3314:
3315: sub end_solved {
1.248 albertel 3316: return '';
3317: }
3318:
3319: sub start_problemtype {
1.326 albertel 3320: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3321: my $result;
1.339 albertel 3322: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3323: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3324: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3325: if (!defined($mode)) { $mode='show'; }
3326: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3327: my $found=0;
3328: foreach my $type (split(',',$for)) {
3329: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3330: }
3331: if ($mode eq 'show' && !$found) {
1.326 albertel 3332: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3333: }
3334: if ($mode eq 'hide' && $found) {
1.326 albertel 3335: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3336: }
3337: } elsif ($target eq 'edit') {
3338: $result .=&Apache::edit::tag_start($target,$token);
3339: $result.=&Apache::edit::select_arg('Mode:','mode',
3340: [['show','Show'],
3341: ['hide','Hide']]
3342: ,$token);
3343: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 3344: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 3345: ['survey','Survey'],
1.465 raeburn 3346: ['surveycred','Survey (with credit)'],
3347: ['anonsurvey','Anonymous Survey'],
3348: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3349: ['problem','Homework Problem'],
1.479 raeburn 3350: ['practice','Practice Problem'],
3351: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3352: ,$token);
3353: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3354: } elsif ($target eq 'modified') {
3355: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3356: $safeeval,'mode','for');
3357: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3358: }
3359: return $result;
3360: }
3361:
3362: sub end_problemtype {
1.159 albertel 3363: return '';
1.24 albertel 3364: }
1.34 albertel 3365:
3366: sub start_startouttext {
1.159 albertel 3367: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3368: my @result=(''.'');
3369: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3370:
3371: my $nesting =
3372: &Apache::lonxml::set_state('outtext',
3373: &Apache::lonxml::get_state('outtext')+1);
3374: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3375: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3376: }
1.159 albertel 3377: return (@result);
1.34 albertel 3378: }
1.159 albertel 3379:
1.34 albertel 3380: sub end_startouttext {
1.326 albertel 3381: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3382: my $result='';
3383: my $text='';
3384: if ($target eq 'edit') {
1.424 foxr 3385: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3386: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3387: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3388: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3389: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3390: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3391: .'</span></td>'
1.550 raeburn 3392: .'<td><span id="math_'.$areaid.'">';
1.579 raeburn 3393: if (&Apache::loncommon::nocodemirror()) {
1.550 raeburn 3394: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3395: } else {
3396: $result.=' ';
3397: }
3398: $result.='</span></td>'
1.474 raeburn 3399: .'<td>'
3400: .&Apache::edit::insertlist($target,$token)
3401: .'</td>'
1.515 golterma 3402: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3403: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3404: &Apache::edit::end_row().
1.362 albertel 3405: &Apache::edit::start_spanning_row()."\n".
1.255 www 3406: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3407: }
3408: if ($target eq 'modified') {
1.219 albertel 3409: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3410: }
3411: if ($target eq 'tex') {
3412: $result .= '\noindent ';
3413: }
3414: return $result;
1.34 albertel 3415: }
1.159 albertel 3416:
1.34 albertel 3417: sub start_endouttext {
1.159 albertel 3418: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3419: my $result='';
3420: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3421: if ($target eq "modified") {
3422: $result='<endouttext />'.
1.377 albertel 3423: &Apache::edit::handle_insertafter('startouttext');
3424: }
1.404 albertel 3425:
3426: my $nesting =
3427: &Apache::lonxml::set_state('outtext',
3428: &Apache::lonxml::get_state('outtext')-1);
3429: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3430: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3431: &Apache::lonxml::set_state('outtext', 0);
3432: }
1.159 albertel 3433: return $result;
1.34 albertel 3434: }
1.159 albertel 3435:
1.34 albertel 3436: sub end_endouttext {
1.159 albertel 3437: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3438: my @result=('','');
3439: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3440: return (@result);
1.34 albertel 3441: }
1.159 albertel 3442:
1.45 albertel 3443: sub delete_startouttext {
1.326 albertel 3444: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3445: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3446: my $text=$$parser['-1']->get_text("/endouttext");
3447: my $ntoken=$$parser['-1']->get_token();
3448: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3449: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3450: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3451: # they did the last time round
3452: &Apache::lonxml::increasedepth($ntoken);
3453: &Apache::lonxml::decreasedepth($ntoken);
3454: return 1;
1.193 www 3455: }
3456:
3457: sub start_simpleeditbutton {
3458: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3459: my $result='';
1.284 albertel 3460: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3461: ($target eq 'web') &&
1.330 albertel 3462: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3463: my $url=$env{'request.noversionuri'};
1.193 www 3464: $url=~s/\?.*$//;
1.367 albertel 3465: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3466: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3467: # $result='<p class="LC_warning">'
3468: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3469: # .&Apache::loncommon::help_open_topic('Caching')
3470: # .'</p>';
1.486 www 3471: $result.=&Apache::loncommon::head_subbox(
3472: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3473: .&Apache::lonhtmlcommon::add_item_funclist(
3474: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3475: .&mt('Edit').'</a>')
1.486 www 3476: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3477:
1.193 www 3478: }
3479: return $result;
3480: }
3481:
3482: sub end_simpleeditbutton {
3483: return '';
1.45 albertel 3484: }
1.34 albertel 3485:
1.428 raeburn 3486: sub practice_problem_header {
1.556 raeburn 3487: return '<h3 class="LC_info">'.&mt('Practice Problem').'</h3>'.
1.428 raeburn 3488: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3489: '</span>';
3490: }
3491:
1.479 raeburn 3492: sub randomizetry_problem_header {
1.566 raeburn 3493: my ($problemstatus,$reqtries,$symb) = @_;
1.479 raeburn 3494: my ($header,$text);
3495: if ($reqtries > 1) {
3496: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3497: if (($problemstatus eq 'no') ||
3498: ($problemstatus eq 'no_feedback_ever')) {
3499: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3500: } else {
3501: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3502: }
3503: } else {
3504: $header = &mt('New Problem Variation Each Try');
3505: if (($problemstatus eq 'no') ||
3506: ($problemstatus eq 'no_feedback_ever')) {
3507: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3508:
3509: } else {
3510: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3511: }
3512: }
1.566 raeburn 3513: if (($env{'request.state'} eq "construct") || ($symb eq '')) {
3514: return '<div class="LC_info" id="LC_randomizetry_header" style="display:none">'.
3515: '<h3>'.$header.'</h3><span class="LC_info">'.$text.'</span><hr /></div>';
3516: } else {
3517: return '<h3 class="LC_info">'.$header.'</h3>'.
3518: '<span class="LC_info">'.$text.'</span><hr />';
3519: }
1.479 raeburn 3520: }
3521:
3522: sub randomizetry_part_header {
3523: my ($problemstatus,$reqtries,$num) = @_;
3524: my ($header,$text);
3525: if ($reqtries eq 'none') {
3526: $header = &mt('No Question Variation');
1.570 raeburn 3527: $text = &mt('For this question there will be no new variation after a try.');
1.479 raeburn 3528: } elsif ($reqtries > 1) {
3529: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3530: if (($problemstatus eq 'no') ||
3531: ($problemstatus eq 'no_feedback_ever')) {
3532: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3533: } else {
3534: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3535: }
3536: } else {
3537: $header = &mt('New Question Variation For Each Try');
3538: if (($problemstatus eq 'no') ||
3539: ($problemstatus eq 'no_feedback_ever')) {
3540: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3541: } else {
3542: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3543: }
3544: }
3545: my $output;
3546: if ($num > 1) {
3547: $output .= '<hr />';
3548: }
1.556 raeburn 3549: $output .= '<h4 class="LC_info">'.$header.'</h4>'.
1.479 raeburn 3550: '<span class="LC_info">'.$text.'</span><br /><br />';
3551: return $output;
3552: }
3553:
1.1 albertel 3554: 1;
3555: __END__
1.435 jms 3556:
3557: =pod
3558:
3559: =back
3560:
3561: =cut
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