Annotation of loncom/homework/structuretags.pm, revision 1.567
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.567 ! raeburn 4: # $Id: structuretags.pm,v 1.566 2019/11/04 19:36:46 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();
1.267 albertel 65: use Time::HiRes qw( gettimeofday tv_interval );
1.356 www 66: use lib '/home/httpd/lib/perl/';
67: use LONCAPA;
68:
1.78 harris41 69: BEGIN {
1.553 damieng 70: &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 71: }
72:
1.500 foxr 73:
74: #---------------------------------------------------------------------------------
75: #
76: # This section of code deals with hyphenation management.
77: # We must do three things:
78: # - keep track fo the desired languages to alter the header.
79: # - provide hyphenation selection as needed by each language that appears in the
80: # text.
81: # - Provide the header text needed to make available the desired hyphenations.
82: #
83: #
84:
85: # Hash whose keys are the languages encountered in the document/resource.
86: #
87:
88: my %languages_required;
89: ##
90: # Given a language selection as input returns a chunk of LaTeX that
91: # selects the required hyphenator.
92: #
93: # @param language - the language being selected.
94: # @return string
95: # @retval The LaTeX needed to select the hyphenation appropriate to the language.
96: #
97: sub select_hyphenation {
98: my $language = shift;
99:
100: $language = &Apache::loncommon::latexlanguage($language); # Translate -> latex language.
101:
102: # If there is no latex language there's not much we can do:
103:
104: if ($language) {
105: &require_language($language);
106: my $babel_hyphenation = "\\selectlanguage{$language}";
107:
108: return $babel_hyphenation;
109: } else {
110: return '';
111: }
112: }
113: ##
114: # Selects hyphenation based on the current problem metadata.
115: # This requires that
116: # - There is a language metadata item set for the problem.
117: # - The language has a latex/babel hyphenation.
118: #
119: # @note: Uses &Apache::lonxml::request to locate the Uri associated with
120: # this problem.
121: # @return string (possibly empty).
122: # @retval If not empty an appropriate \selectlanguage{} directive.
123: #
124: sub select_metadata_hyphenation {
125: my $uri = $Apache::lonxml::request->uri;
126: my $language = &Apache::lonnet::metadata($uri, 'language');
127: my $latex_language = &Apache::loncommon::latexhyphenation($language);
128: if ($latex_language) {
129: return '\selectlanguage{'.$latex_language."}\n";
130: }
131: return ''; # no latex hyphenation or no lang metadata.
132: }
133:
134:
135: ##
136: # Clears the set of languages required by the document being rendered.
137: #
138: sub clear_required_languages {
139: %languages_required = ();
140: }
141: ##
142: # Allows an external client of this module to register a need for a language:
143: #
144: # @param LaTeX language required:
145: #
146: sub require_language {
147: my $language = shift;
148: $languages_required{$language} = 1;
149: }
150:
151: ##
152: # Provides the header for babel that indicates the languages
153: # the document requires.
154: # @return string
155: # @retval \usepackage[lang1,lang2...]{babel}
156: # @retval '' if there are no languages_required.
157: sub languages_header {
158: my $header ='';
159: my @languages = (keys(%languages_required));
160:
161: # Only generate the header if there are languages:
162:
163: if (scalar @languages) {
164: my $language_list = join(',', (@languages));
165: $header = '\usepackage['.$language_list."]{babel}\n";
166: }
167: return $header;
168: }
169:
170: #----------------------------------------------------------------------------------
171:
1.10 albertel 172: sub start_web {
1.326 albertel 173: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.383 albertel 174: if ($target ne 'edit' && $target ne 'modified') {
175: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
176: if ($target eq 'web' || $target eq 'webgrade') {
177: return $bodytext;
178: }
179: } elsif ($target eq "edit" ) {
180: my $bodytext =
181: &Apache::lonxml::get_all_text_unbalanced("/web",$parser);
182: my $result = &Apache::edit::tag_start($target,$token);
183: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
184: return $result;
185: } elsif ( $target eq "modified" ) {
186: return $token->[4].&Apache::edit::modifiedfield("/web",$parser);
1.159 albertel 187: }
188: return '';
1.10 albertel 189: }
190:
191: sub end_web {
1.44 ng 192: return '';
1.10 albertel 193: }
194:
1.553 damieng 195: sub start_print {
196: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
197: if ($target ne 'edit' && $target ne 'modified') {
198: if ($target ne 'tex') {
199: my $skip = &Apache::lonxml::get_all_text("/print",$parser,$style);
200: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
201: }
202: } elsif ($target eq "edit") {
203: my $bodytext = &Apache::lonxml::get_all_text_unbalanced("/print",$parser);
204: my $result = &Apache::edit::tag_start($target,$token);
205: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
206: return $result;
207: } elsif ($target eq "modified") {
208: return $token->[4].&Apache::edit::modifiedfield("/print",$parser);
209: }
210: return '';
211: }
212:
213: sub end_print {
214: return '';
215: }
216:
1.10 albertel 217: sub start_tex {
1.326 albertel 218: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.198 sakharuk 219: my $result='';
1.383 albertel 220: if ($target ne 'edit' && $target ne 'modified') {
221: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
222: if ($target eq 'tex') {
1.434 foxr 223:
224: # If inside a table, occurrences of \\ must be removed;
225: # else the table blows up.
226:
227: if (&Apache::londefdef::is_inside_of($tagstack, "table")) {
228: $bodytext =~ s/\\\\//g;
229: }
1.432 foxr 230: return $bodytext.'{}';
1.383 albertel 231: }
232: } elsif ($target eq "edit" ) {
233: my $bodytext =
234: &Apache::lonxml::get_all_text_unbalanced("/tex",$parser);
235: my $result = &Apache::edit::tag_start($target,$token);
236: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
237: return $result;
238: } elsif ( $target eq "modified" ) {
239: return $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
1.159 albertel 240: }
1.198 sakharuk 241: return $result;;
1.10 albertel 242: }
243:
244: sub end_tex {
1.44 ng 245: return '';
1.9 albertel 246: }
247:
1.400 albertel 248: sub homework_js {
1.531 raeburn 249: my ($postsubmit,$timeout);
250: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
1.546 raeburn 251: my $crstype = &Apache::loncommon::course_type();
252: if ($crstype eq 'Community') {
1.531 raeburn 253: $crstype = 'community';
1.546 raeburn 254: } elsif ($crstype eq 'Placement') {
255: $crstype = 'placement';
1.531 raeburn 256: } else {
257: if ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) {
258: $crstype = 'official';
259: } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.textbook'}) {
260: $crstype = 'textbook';
261: } else {
262: $crstype = 'unofficial';
263: }
264: }
265: $postsubmit = $env{'course.'.$env{'request.course.id'}.'.internal.postsubmit'};
266: if ($postsubmit eq '') {
267: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
268: $postsubmit = $domdefs{'postsubmit'};
269: unless ($postsubmit eq 'off') {
270: $timeout = $domdefs{$crstype.'postsubtimeout'};
271: }
272: } elsif ($postsubmit eq '0') {
273: $postsubmit = 'off';
274: } elsif ($postsubmit eq '1') {
275: $postsubmit = 'on';
276: $timeout = $env{'course.'.$env{'request.course.id'}.'.internal.postsubtimeout'};
277: if ($timeout eq '') {
278: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
279: $timeout = $domdefs{$crstype.'postsubtimeout'};
280: }
281: }
282: if ($timeout eq '') {
283: $timeout = 60;
284: }
285: } else {
286: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'request.role.domain'});
287: $postsubmit = $domdefs{'postsubmit'};
288: unless ($postsubmit eq 'off') {
289: $timeout = 60;
290: }
291: }
292: my $jstimeout = 0;
293: if ($timeout) {
294: $jstimeout = 1000 * $timeout;
295: }
1.400 albertel 296: return &Apache::loncommon::resize_textarea_js().
1.527 golterma 297: &Apache::loncommon::colorfuleditor_js().
1.416 raeburn 298: &setmode_javascript().
1.531 raeburn 299: <<"JS";
1.400 albertel 300: <script type="text/javascript">
1.483 raeburn 301: // <![CDATA[
1.494 raeburn 302: function setSubmittedPart (part,prefix) {
303: if (typeof(prefix) == 'undefined') {
304: this.document.lonhomework.submitted.value="part_"+part;
305: } else {
306: for (var i=0;i<this.document.lonhomework.elements.length;i++) {
307: if (this.document.lonhomework.elements[i].name == prefix+'submitted') {
308: this.document.lonhomework.elements[i].value="part_"+part;
309: }
310: }
311: }
1.400 albertel 312: }
313:
1.532 raeburn 314: function disableAutoComplete (id) {
315: var field = document.getElementById(id);
316: if (field != null && field != undefined){
317: if ('autocomplete' in field) {
318: field.autocomplete = "off";
319: } else {
320: field.setAttribute("autocomplete", "off");
321: }
322: }
323: }
324:
1.400 albertel 325: function image_response_click (which, e) {
326: init_geometry();
327: if (!e) { e = window.event; } //IE
328: var input_element = document.lonhomework.elements[which];
1.401 albertel 329: var token_element = document.lonhomework.elements[which+'_token'];
1.400 albertel 330: var token = token_element.value;
1.401 albertel 331: var img_element = document.getElementById(which+'_imageresponse');
1.400 albertel 332: var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
333: var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
334: var click = x+':'+y;
335: input_element.value = click;
1.485 raeburn 336: img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
1.400 albertel 337: }
1.520 raeburn 338:
339: var submithandled = 0;
1.521 raeburn 340: var keypresshandled = 0;
1.531 raeburn 341: var postsubmit = '$postsubmit';
1.520 raeburn 342:
1.531 raeburn 343: \$(document).ready(function(){
344: if (postsubmit != 'off') {
345: \$(document).keypress(function(event){
1.521 raeburn 346: var keycode = (event.keyCode ? event.keyCode : event.which);
347: if ((keycode == '13') && (keypresshandled == 0)) {
1.531 raeburn 348: if ( \$( document.activeElement ).hasClass("LC_textline") ) {
1.521 raeburn 349: keypresshandled = 1;
1.531 raeburn 350: var idsArray = \$( document.activeElement ).attr("id").split(/HWVAL_/);
1.521 raeburn 351: if (idsArray.length) {
352: event.preventDefault();
353: var itemsArray = idsArray[1].split(/_/);
354: var buttonId = idsArray[0]+'submit_'+itemsArray[0];
1.531 raeburn 355: \$("#"+buttonId).trigger("click");
1.521 raeburn 356: }
357: }
358: }
359: });
360:
1.531 raeburn 361: \$(document).delegate('form :submit', 'click', function( event ) {
362: if ( \$( this ).hasClass( "LC_hwk_submit" ) ) {
1.520 raeburn 363: var buttonId = this.id;
1.531 raeburn 364: var timeout = $jstimeout;
1.520 raeburn 365: if (submithandled == 0) {
366: submithandled = 1;
1.531 raeburn 367: \$( "#msg_"+buttonId ).css({"display": "inline","background-color": "#87cefa",
1.521 raeburn 368: "color": "black","padding": "2px"}) ;
1.563 raeburn 369: if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
1.522 raeburn 370: if (buttonId != "all_submit") {
1.531 raeburn 371: \$( ".LC_status_"+buttonId ).hide();
1.563 raeburn 372: }
373: if (( "#"+buttonId+"_pressed" ).length) {
374: \$( "#"+buttonId+"_pressed" ).val( "1" );
1.520 raeburn 375: }
1.522 raeburn 376: } else {
1.531 raeburn 377: \$( ".LC_status_"+buttonId ).hide();
1.520 raeburn 378: }
1.531 raeburn 379: \$(this.form).submit();
380: \$( ".LC_hwk_submit" ).prop( "disabled", true);
381: \$( ".LC_textline" ).prop( "readonly", "readonly");
1.520 raeburn 382: event.preventDefault();
1.531 raeburn 383:
384: if (timeout > 0) {
385: setTimeout(function(){
386: \$( "#msg_"+buttonId ).css({"display": "none"});
1.563 raeburn 387: if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
388: if (( "#"+buttonId+"_pressed" ).length) {
389: \$( "#"+buttonId+"_pressed" ).val( "" );
1.531 raeburn 390: }
391: }
392: \$( ".LC_hwk_submit" ).prop( "disabled", false);
393: \$( ".LC_textline" ).prop( "readonly", false);
394: submithandled = 0;
395: keypresshandled = 0;
396: }, timeout);
397: }
1.520 raeburn 398: return true;
399: }
400: }
401: });
1.531 raeburn 402: }
1.520 raeburn 403: });
404:
1.483 raeburn 405: // ]]>
1.400 albertel 406: </script>
407: JS
408: }
409:
1.416 raeburn 410: sub setmode_javascript {
411: return <<"ENDSCRIPT";
412: <script type="text/javascript">
1.485 raeburn 413: // <![CDATA[
1.416 raeburn 414: function setmode(form,probmode) {
1.554 damieng 415: var initial = form.problemmode.value;
1.416 raeburn 416: form.problemmode.value = probmode;
417: form.submit();
1.554 damieng 418: form.problemmode.value = initial;
1.416 raeburn 419: }
1.485 raeburn 420: // ]]>
1.416 raeburn 421: </script>
422: ENDSCRIPT
423: }
424:
1.48 albertel 425: sub page_start {
1.345 albertel 426: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
427: $extra_head)=@_;
1.159 albertel 428: my %found;
1.207 albertel 429: foreach my $taginside (@$tagstack) {
1.159 albertel 430: foreach my $taglookedfor ('html','body','form') {
431: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
432: }
433: }
434:
1.343 albertel 435: if ($target eq 'tex') {
436: return
437: &Apache::londefdef::start_html($target,$token,$tagstack,
438: $parstack,$parser,$safeeval);
439: }
440:
1.474 raeburn 441: $extra_head .= &homework_js().
442: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
443: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1.550 raeburn 444: my %textarea_args;
445: if (($env{'request.state'} ne 'construct') ||
446: ($env{'environment.nocodemirror'})) {
447: %textarea_args = (
1.474 raeburn 448: dragmath => 'math',
449: );
1.550 raeburn 450: }
1.474 raeburn 451: $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
1.425 raeburn 452: }
1.478 raeburn 453: my $is_task = ($env{'request.uri'} =~ /\.task$/);
1.528 raeburn 454: my ($needs_upload,$partlist);
1.495 raeburn 455: my ($symb)= &Apache::lonnet::whichuser();
456: my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
1.478 raeburn 457: if ($is_task) {
1.495 raeburn 458: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
1.493 raeburn 459: } else {
460: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.uploadedfiletypes") ne '') {
1.495 raeburn 461: unless ($env{'request.state'} eq 'construct') {
462: my $navmap = Apache::lonnavmaps::navmap->new();
463: if (ref($navmap)) {
464: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 465: my $is_page;
466: if (ref($mapres)) {
467: $is_page = $mapres->is_page();
468: }
469: unless ($is_page) {
1.495 raeburn 470: $needs_upload = 1;
471: }
1.528 raeburn 472: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
473: my $res = $navmap->getBySymb($symb);
474: if (ref($res)) {
475: $partlist = $res->parts();
476: }
477: }
1.495 raeburn 478: }
479: }
1.493 raeburn 480: } else {
481: unless ($env{'request.state'} eq 'construct') {
482: my $navmap = Apache::lonnavmaps::navmap->new();
483: if (ref($navmap)) {
1.495 raeburn 484: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 485: my $is_page;
486: if (ref($mapres)) {
487: $is_page = $mapres->is_page();
488: }
1.528 raeburn 489: if ($is_page) {
490: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
491: my $res = $navmap->getBySymb($symb);
492: if (ref($res)) {
493: $partlist = $res->parts();
494: }
495: }
496: } else {
1.495 raeburn 497: my $res = $navmap->getBySymb($symb);
498: if (ref($res)) {
1.528 raeburn 499: $partlist = $res->parts();
1.495 raeburn 500: if (ref($partlist) eq 'ARRAY') {
501: foreach my $part (@{$partlist}) {
502: my @types = $res->responseType($part);
503: my @ids = $res->responseIds($part);
504: for (my $i=0; $i < scalar(@ids); $i++) {
505: if ($types[$i] eq 'essay') {
506: my $partid = $part.'_'.$ids[$i];
507: if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
508: $needs_upload = 1;
509: last;
510: }
1.493 raeburn 511: }
512: }
513: }
1.495 raeburn 514: }
515: }
1.493 raeburn 516: }
517: }
518: }
519: }
1.495 raeburn 520: if ($needs_upload) {
1.538 musolffc 521: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js()
522: .'<script type="text/javascript"
523: src="/res/adm/includes/file_upload.js"></script>';
1.495 raeburn 524: }
1.478 raeburn 525: }
1.425 raeburn 526:
1.344 albertel 527: my %body_args;
528: if (defined($found{'html'})) {
529: $body_args{'skip_phases'}{'head'}=1;
530: } else {
1.343 albertel 531:
1.345 albertel 532: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 533:
1.379 albertel 534: $extra_head .= &Apache::londefdef::generate_css_links();
535:
1.384 albertel 536: if ($env{'request.state'} eq 'construct') {
1.343 albertel 537: $extra_head.=&Apache::edit::js_change_detection().
538: "<script type=\"text/javascript\">\n".
539: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
540: &Apache::loncommon::browser_and_searcher_javascript().
541: "\n</script>\n";
1.525 raeburn 542: if ($target eq 'edit') {
543: $extra_head .= &Apache::edit::js_update_linknum();
544: }
1.343 albertel 545: }
1.159 albertel 546: }
1.343 albertel 547:
1.446 bisitz 548: my $pageheader = '';
1.344 albertel 549: if (defined($found{'body'})) {
550: $body_args{'skip_phases'}{'body'}=1;
551: } elsif (!defined($found{'body'})
552: && $env{'request.state'} eq 'construct') {
1.343 albertel 553: if ($target eq 'web' || $target eq 'edit') {
1.542 raeburn 554: unless ($env{'form.inhibitmenu'} eq 'yes') {
555: # Breadcrumbs for Authoring Space
556: &Apache::lonhtmlcommon::clear_breadcrumbs();
557: &Apache::lonhtmlcommon::add_breadcrumb({
558: 'text' => 'Authoring Space',
559: 'href' => &Apache::loncommon::authorspace($env{'request.uri'}),
560: });
561: # breadcrumbs (and tools) will be created
562: # in start_page->bodytag->innerregister
1.460 droeschl 563:
1.450 bisitz 564: # FIXME Where are we?
1.542 raeburn 565: # &Apache::lonhtmlcommon::add_breadcrumb({
566: # 'text' => 'Problem Editing', # 'Problem Testing'
567: # 'href' => '',
568: # });
569: $pageheader = &Apache::loncommon::head_subbox(
570: &Apache::loncommon::CSTR_pageheader());
571: }
572: }
1.272 albertel 573: } elsif (!defined($found{'body'})) {
1.343 albertel 574: my %add_entries;
1.159 albertel 575: my $background=&Apache::lonxml::get_param('background',$parstack,
576: $safeeval);
1.343 albertel 577: if ($background ne '' ) {
578: $add_entries{'background'} = $background;
579: }
1.344 albertel 580:
1.290 albertel 581: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
582: $safeeval);
1.446 bisitz 583: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
1.344 albertel 584:
1.446 bisitz 585: $body_args{'bgcolor'} = $bgcolor;
586: # $body_args{'no_title'} = 1;
587: $body_args{'force_register'} = 1;
588: $body_args{'add_entries'} = \%add_entries;
1.466 droeschl 589: if ( $env{'request.state'} eq 'construct') {
1.446 bisitz 590: $body_args{'only_body'} = 1;
1.518 raeburn 591: } elsif ($target eq 'web') {
592: $body_args{'print_suppress'} = 1;
1.446 bisitz 593: }
1.344 albertel 594: }
1.365 albertel 595: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 596: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
597: \%body_args);
1.446 bisitz 598: $page_start .= $pageheader;
1.462 raeburn 599: if (!defined($found{'body'})
600: && $env{'request.state'} ne 'construct'
601: && ($target eq 'web' || $target eq 'webgrade')) {
602:
603: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
604: if ($symb eq '' && !$publicuser) {
605: $page_start .= '<p class="LC_info">'
606: .&mt('Browsing resource, all submissions are temporary.')
607: .'</p>';
1.457 bisitz 608: }
1.344 albertel 609: }
610:
1.409 albertel 611: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 612: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 613: }
614: my $form_tag_start;
615: if (!defined($found{'form'})) {
1.337 albertel 616: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.465 raeburn 617: my $uri = &Apache::loncommon::inhibit_menu_check(
1.455 droeschl 618: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.464 raeburn 619: $uri = &HTML::Entities::encode($uri,'<>&"');
1.327 albertel 620: $form_tag_start.=$uri.'" ';
621: if ($target eq 'edit') {
622: $form_tag_start.=&Apache::edit::form_change_detection();
623: }
1.493 raeburn 624: my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
625: my ($path,$multiresp) =
626: &Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom);
1.495 raeburn 627: if (($is_task) || ($needs_upload)) {
628: $form_tag_start .= ' onsubmit="return file_submission_check(this,'."'$path','$multiresp'".');"';
1.478 raeburn 629: }
1.368 albertel 630: $form_tag_start.='>'."\n";
1.355 albertel 631:
632: if ($symb =~ /\S/) {
633: $symb=
634: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
635: $form_tag_start.=
1.368 albertel 636: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 637: }
1.159 albertel 638: }
1.528 raeburn 639: return ($page_start,$form_tag_start,$partlist);
1.105 albertel 640: }
641:
1.141 matthew 642: #use Time::HiRes();
1.105 albertel 643: sub get_resource_name {
1.159 albertel 644: my ($parstack,$safeeval)=@_;
1.388 foxr 645: my $name;
1.204 albertel 646: if (defined($Apache::lonhomework::name)) {
1.388 foxr 647: $name = $Apache::lonhomework::name;
648: } else {
649: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 650: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 651: if ($name eq '') {
652: $name=&Apache::lonnet::EXT('resource.title');
653: if ($name eq 'con_lost') { $name = ''; }
654: }
655: if ($name!~/\S+/) {
656: $name=$env{'request.uri'};
657: $name=~s-.*/([^/]+)$-$1-;
658: }
659: # The name has had html tags escaped:
660:
661: $name=~s/</</gs;
662: $name=~s/>/>/gs;
663:
664: $Apache::lonhomework::name=$name;
1.204 albertel 665: }
1.159 albertel 666: return $name;
1.105 albertel 667: }
668:
669: sub setup_rndseed {
1.528 raeburn 670: my ($safeeval,$target,$probpartlist)=@_;
1.367 albertel 671: my ($symb)=&Apache::lonnet::whichuser();
1.564 raeburn 672: my ($questiontype,$set_safespace,$rndseed,$numtries,$reqtries);
1.479 raeburn 673: if ($target eq 'analyze') {
674: $questiontype = $env{'form.grade_questiontype'};
675: }
676: unless (defined($questiontype)) {
677: $questiontype = $Apache::lonhomework::type;
678: }
1.564 raeburn 679: if ($Apache::lonhomework::type eq 'randomizetry') {
680: my $partfortries = $Apache::inputtags::part;
681: if (ref($probpartlist) eq 'ARRAY') {
682: if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $Apache::inputtags::part)) {
683: $partfortries = $probpartlist->[0];
1.566 raeburn 684: if (&Apache::lonnet::EXT("resource.$partfortries.questiontype") eq 'randomizetry') {
685: $partfortries = $probpartlist->[0];
686: } else {
687: $partfortries = '';
688: }
1.564 raeburn 689: }
690: }
1.566 raeburn 691: if ($partfortries ne '') {
692: $numtries = $Apache::lonhomework::history{"resource.$partfortries.tries"};
693: $reqtries = &Apache::lonnet::EXT("resource.$partfortries.randomizeontries");
694: }
1.564 raeburn 695: }
1.555 raeburn 696: if (($env{'request.state'} eq "construct")
697: || ($symb eq '')
698: || ($Apache::lonhomework::type eq 'practice')
699: || ($Apache::lonhomework::history{'resource.CODE'})
700: || (($env{'form.code_for_randomlist'}) && ($target eq 'analyze'))) {
1.316 www 701: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 702: ['rndseed']);
1.284 albertel 703: $rndseed=$env{'form.rndseed'};
1.159 albertel 704: if (!$rndseed) {
1.162 albertel 705: $rndseed=$Apache::lonhomework::history{'rndseed'};
706: if (!$rndseed) {
707: $rndseed=time;
708: }
1.555 raeburn 709: unless ($env{'form.code_for_randomlist'}) {
710: $env{'form.rndseed'}=$rndseed;
711: }
1.162 albertel 712: }
1.565 raeburn 713: if ((($env{'request.state'} eq "construct") || ($symb eq '')) &&
1.479 raeburn 714: ($Apache::lonhomework::type eq 'randomizetry')) {
1.564 raeburn 715: if ($numtries) {
716: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
717: my $inc = int($numtries/$reqtries);
718: $rndseed += $inc;
719: } else {
720: $rndseed += $numtries;
721: }
1.479 raeburn 722: }
1.480 raeburn 723: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.479 raeburn 724: }
1.551 damieng 725: if ( ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 726: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 727: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 728: srand(time);
729: $rndseed=int(rand(2100000000));
1.284 albertel 730: $env{'form.rndseed'}=$rndseed;
731: delete($env{'form.resetdata'});
732: delete($env{'form.newrandomization'});
1.159 albertel 733: }
1.488 www 734: $rndseed=~s/\,/\:/g;
735: $rndseed=~s/[^\w\d\:\-]//g;
1.489 www 736: if (defined($rndseed)) {
737: my ($c1,$c2)=split(/\:/,$rndseed);
738: unless ($c2) { $c2=0; }
739: unless (($c1==int($c1)) && ($c2==int($c2))) {
740: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
741: }
1.187 albertel 742: }
1.555 raeburn 743: if (($env{'form.code_for_randomlist'}) && ($target eq 'analyze')) {
744: $env{'form.CODE'} = $env{'form.code_for_randomlist'};
745: $rndseed=&Apache::lonnet::rndseed();
746: undef($env{'form.CODE'});
747: } elsif ($Apache::lonhomework::history{'resource.CODE'}) {
1.247 albertel 748: $rndseed=&Apache::lonnet::rndseed();
749: }
1.479 raeburn 750: $set_safespace = 1;
751: } elsif ($questiontype eq 'randomizetry') {
752: if ($target eq 'analyze') {
753: if (defined($env{'form.grade_rndseed'})) {
754: $rndseed = $env{'form.grade_rndseed'};
755: }
756: }
757: unless (($target eq 'analyze') && (defined($rndseed))) {
758: $rndseed=&Apache::lonnet::rndseed();
1.564 raeburn 759: my $curr_try = $numtries;
1.479 raeburn 760: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
761: $curr_try ++;
762: }
763: if ($rndseed =~/^(\d+)[,:](\d+)$/) {
764: $rndseed = $1;
765: }
766: if ($curr_try) {
767: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
768: my $inc = int(($curr_try-1)/$reqtries);
769: $rndseed += $inc;
770: } else {
771: $rndseed += $curr_try;
772: }
773: }
774: }
775: $set_safespace = 1;
1.528 raeburn 776: if ($target eq 'grade') {
777: $Apache::lonhomework::rawrndseed = $rndseed;
778: }
1.479 raeburn 779: }
780: if ($set_safespace) {
781: if ($safeeval) {
782: &Apache::lonxml::debug("Setting rndseed to $rndseed");
783: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
784: }
785: }
786: unless (($env{'request.state'} eq "construct") || ($symb eq '')) {
787: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.159 albertel 788: }
789: return $rndseed;
1.105 albertel 790: }
791:
1.268 albertel 792: sub remember_problem_state {
793: return '
1.284 albertel 794: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
795: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
796: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 797: }
798:
1.487 www 799: sub problem_edit_action_button {
800: my ($name,$action,$accesskey,$text,$flag)=@_;
801: my $actionscript="setmode(this.form,'$action')";
802: return "\n<input type='button' name='$name' accesskey='$accesskey' value='".&mt($text)."'".
803: ($flag?&Apache::edit::submit_ask_anyway($actionscript):&Apache::edit::submit_dont_ask($actionscript))." />";
804: }
805:
1.423 www 806: sub problem_edit_buttons {
1.487 www 807: my ($mode)=@_;
1.535 droeschl 808: # Buttons that save
809: my $result = '<div style="float:right">';
810: if ($mode eq 'editxml') {
811: $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
812: $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
813: } else {
814: $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
815: $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
816: }
817: $result.="\n</div>\n";
1.487 www 818: # Buttons that do not save
1.535 droeschl 819: $result .= '<div>'.
1.487 www 820: &problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
821: if ($mode eq 'editxml') {
822: $result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
823: $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
1.550 raeburn 824: if ($env{'environment.nocodemirror'}) {
825: $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
826: }
1.487 www 827: } else {
828: $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
829: $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
830: }
831: $result.="\n</div>";
832: return $result;
1.423 www 833: }
834:
835: sub problem_edit_header {
1.527 golterma 836: my ($mode)=@_;
837: my $return = '<input type="hidden" name="submitted" value="edit" />'.
1.487 www 838: &remember_problem_state('edit').'
1.527 golterma 839: <div class="LC_edit_problem_header">
840: <div class="LC_edit_problem_header_title">
841: '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
842: </div><div class="LC_edit_actionbar" id="actionbar">'.
843: '<input type="hidden" name="problemmode" value="saveedit" />'.
844: &problem_edit_buttons();
845:
1.535 droeschl 846: $return .= '</div></div>' . &Apache::lonxml::message_location();
1.527 golterma 847: $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />
848: <script type="text/javascript" src="/adm/codemirror/codemirror-compressed-colorful.js"></script>';
849:
850: $return .= '<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
851: <script type="text/javascript">
852: // unless internet explorer
853: if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode || document.compatMode))){
854: $(document).ready(
855: function() {
856: $(\'.LC_edit_actionbar\').scrollToFixed(
857: {
858: fixed: function(){
1.535 droeschl 859: //$(this).find(\'.LC_edit_actionbar\').css(\'height\', \'31px\');
860: $(this).find(\'.LC_edit_actionbar\');
1.527 golterma 861: }
862: }
863: );
864: }
865: );
866: }
867: </script>
868: <table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
869: return $return;
1.105 albertel 870: }
871:
872: sub problem_edit_footer {
1.527 golterma 873: my $resource = $env{'request.ambiguous'};
1.412 albertel 874: return '</td></tr></table><br />
875: <div class="LC_edit_problem_footer">
1.453 bisitz 876: <hr />'.
1.423 www 877: &problem_edit_buttons().'
1.459 bisitz 878: <hr style="clear:both;" />
1.527 golterma 879: <script type="text/javascript">
880: restoreState("'.$resource.'");
881: restoreScrollPosition("'.$resource.'");
882: </script>
1.412 albertel 883: </div>
884: '.
1.342 albertel 885: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 886: }
887:
1.235 albertel 888: sub option {
889: my ($value,$name) = @_;
890: my $result ="<option value='".$value."' ";
1.284 albertel 891: if ($env{'form.'.$name} eq $value) {
1.235 albertel 892: $result.=" selected='on' ";
893: }
894: $result.='>';
895: return $result;
896: }
897:
1.105 albertel 898: sub problem_web_to_edit_header {
1.159 albertel 899: my ($rndseed)=@_;
1.406 albertel 900: my $result .= '<div class="LC_edit_problem_header">';
901:
902: if (!$Apache::lonhomework::parsing_a_task) {
903: $result .=
904: '<div class="LC_edit_problem_header_title">'.
905: &mt('Problem Testing').
906: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
907: '</div>';
908: } else {
909: $result .=
910: '<div class="LC_edit_problem_header_title">'.
911: &mt('Task Testing').
912: '</div>';
913: }
914:
1.315 albertel 915: my $show_all_foils_text =
916: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 917: &mt('Show All Instances')
918: : &mt('Show All Foils');
1.315 albertel 919:
1.452 bisitz 920: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
921: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 922: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 923: $show_all.= ' /> '.$show_all_foils_text
924: .'</label></span>';
1.406 albertel 925:
926:
1.384 albertel 927:
1.406 albertel 928: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 929: if (!$Apache::lonhomework::parsing_a_task) {
930: $result.="
1.406 albertel 931: <div class='LC_edit_problem_header_row1'>
932: <span class=\"LC_nobreak\">
1.405 albertel 933: ".&mt("Problem Status:")."
1.235 albertel 934: <select name='problemstate'>
1.270 albertel 935: <option value=''></option>
1.235 albertel 936: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
937: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
938: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
939: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
940: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
941: </select>
1.406 albertel 942: </span>
943: <span class=\"LC_nobreak\">
1.405 albertel 944: ".&mt("Problem Type:")."
1.235 albertel 945: <select name='problemtype'>
1.270 albertel 946: <option value=''></option>
1.509 bisitz 947: ".&option('exam' ,'problemtype').&mt("Bubblesheet Exam Problem")."</option>
1.428 raeburn 948: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 949: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 950: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
951: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
952: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 953: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.479 raeburn 954: ".&option('randomizetry' ,'problemtype').&mt("New Randomization Each Try")."</option>
1.235 albertel 955: </select>
1.406 albertel 956: </span>
957: $show_all
958: </div>
959: <div class='LC_edit_problem_header_row2'>
960: <span class=\"LC_nobreak\">
1.405 albertel 961: ".&mt("Feedback Mode:")."
1.235 albertel 962: <select name='problemstatus'>
963: <option value=''></option>
1.242 albertel 964: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.517 bisitz 965: ".&option('no', 'problemstatus').&mt("Don't Show Incorrect/Correct Feedback")."</option>
1.405 albertel 966: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 967: </select>
1.406 albertel 968: </span>
969: ";
970:
1.376 albertel 971: } elsif ($Apache::lonhomework::parsing_a_task) {
972: $result.="
1.406 albertel 973: <div class='LC_edit_problem_header_row1'>
974: <span class=\"LC_nobreak\">
1.405 albertel 975: ".&mt("Problem Status:")."
1.376 albertel 976: <select name='problemstate'>
977: <option value=''></option>
978: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
979: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
980: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
981: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
982: </select>
1.406 albertel 983: </span>
984: $show_all
985: ";
986: }
987: $result.='
988: <span class="LC_nobreak">
989: '.&mt('Apply style file: ').'
990: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
991: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
992: </span>
1.422 www 993: </div>
994: <div class="LC_edit_problem_header_row1">'.
995: &Apache::lonxml::renderingoptions().'
1.406 albertel 996: </div>
997: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
998: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
1.551 damieng 999: <button type="submit" name="resetdata" accesskey="r" value="reset_submissions">
1000: '.&mt('Reset Submissions').'</button>
1.406 albertel 1001: </div>
1.453 bisitz 1002: <hr />
1.406 albertel 1003: <div class="LC_edit_problem_header_randomize_row">
1004: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
1005: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 1006: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 1007: $rndseed.'"
1008: onchange="javascript:document.lonhomework.changerandseed.click()" />';
1009:
1010: if (!$Apache::lonhomework::parsing_a_task) {
1011: my $numtoanalyze=$env{'form.numtoanalyze'};
1012: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 1013: $result .= '<span class="LC_nobreak">'.
1014: &mt('[_1] for [_2] versions.',
1.416 raeburn 1015: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 1016: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
1017: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 1018: $numtoanalyze.'" size="5" />').
1019: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
1020: '</span>';
1021:
1.313 albertel 1022: }
1.406 albertel 1023:
1024: $result.='
1025: </div>
1.453 bisitz 1026: <hr />
1.447 bisitz 1027: <div>';
1.416 raeburn 1028: $result.='<input type="hidden" name="problemmode" value="view" />';
1029: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
1030: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
1031: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
1032: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.541 damieng 1033: if ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9) {
1034: my $uri = $env{'request.uri'};
1.543 damieng 1035: my $daxeurl = '/daxepage'.$uri;
1.541 damieng 1036: $result .= '<input type="button" value="'.&mt('Edit with Daxe').'" '.
1037: 'onclick="window.open(\''.$daxeurl.'\',\'_blank\');" />';
1038: }
1.408 albertel 1039: $result.='
1040: </div>
1.453 bisitz 1041: <hr />
1.409 albertel 1042: '.&Apache::lonxml::message_location().'
1.406 albertel 1043: </div>';
1.159 albertel 1044: return $result;
1.48 albertel 1045: }
1046:
1.65 albertel 1047: sub initialize_storage {
1.357 albertel 1048: my ($given_symb) = @_;
1.353 albertel 1049: undef(%Apache::lonhomework::results);
1050: undef(%Apache::lonhomework::history);
1.357 albertel 1051: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1052: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 1053:
1054: # anonymous users (CODEd exams) have no data
1055: if ($name eq 'anonymous'
1056: && !defined($domain)) {
1057: return;
1058: }
1059:
1.333 albertel 1060: if ($env{'request.state'} eq 'construct'
1061: || $symb eq ''
1062: || $Apache::lonhomework::type eq 'practice') {
1063:
1064: my $namespace = $symb || $env{'request.uri'};
1.551 damieng 1065: if ($env{'form.resetdata'} eq 'reset_submissions' ||
1066: ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 1067: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 1068: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1069: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
1070: &Apache::lonxml::debug("Attempt reset");
1071: }
1.159 albertel 1072: %Apache::lonhomework::history=
1.333 albertel 1073: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.526 raeburn 1074: my ($temp)=keys(%Apache::lonhomework::history) ;
1.159 albertel 1075: &Apache::lonxml::debug("Return message of $temp");
1076: } else {
1077: %Apache::lonhomework::history=
1078: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1079: }
1.353 albertel 1080:
1.159 albertel 1081: #ignore error conditions
1.526 raeburn 1082: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1083: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 1084: }
1085:
1.435 jms 1086: =pod
1087:
1088: =item finalize_storage()
1089:
1.524 raeburn 1090: Stores away the result hash to a student's environment;
1.523 raeburn 1091: checks form.grade_ for specific values, otherwise stores
1092: to the running user's environment.
1.524 raeburn 1093:
1094: &check_correctness_changes() is called in two circumstances
1095: in which the results hash is to be stored permanently, for
1096: grading triggered by a student's submission, where feedback on
1097: correctness is to be provided to the student.
1098:
1099: 1. Immediately prior to storing the results hash
1100:
1101: To handle the case where a student's submission (and award) were
1102: stored after history was retrieved in &initialize_storage(), e.g.,
1103: if a student submitted answers in quick succession (e.g., from
1104: multiple tabs). &Apache::inputtags::hidealldata() is called for
1105: any parts with out-of-order storage (i.e., correct then incorrect,
1106: where awarded >= 1 when correct).
1107:
1108: 2. Immediately after storing the results hash
1109:
1110: To handle the case where lond on the student's homeserver returns
1111: delay:N -- where N is the number of transactions between the last
1112: retrieved in &initialize_storage() and the last stored immediately
1113: before permanent storage of the current transaction via
1114: lond::store_handler(). &Apache::grades::makehidden() is called
1115: for any parts with out-of-order storage (i.e., correct then incorrect,
1116: where awarded >= 1 when correct).
1117:
1118: Will call &store_aggregates() to increment totals for attempts,
1119: students, and corrects, if running user has student role.
1120:
1.435 jms 1121: =cut
1122:
1123:
1.65 albertel 1124: sub finalize_storage {
1.357 albertel 1125: my ($given_symb) = @_;
1.159 albertel 1126: my $result;
1.289 albertel 1127: if (%Apache::lonhomework::results) {
1.323 albertel 1128: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
1129: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 1130: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1131: &Apache::lonnet::whichuser($given_symb);
1.562 raeburn 1132: my ($passback,$ltiscope,$ltimap,$ltisymb,$ltiref,$total,$possible,$dopassback);
1.333 albertel 1133: if ($env{'request.state'} eq 'construct'
1134: || $symb eq ''
1135: || $Apache::lonhomework::type eq 'practice') {
1136: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 1137: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 1138: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 1139: $namespace,'',$domain,$name);
1.159 albertel 1140: &Apache::lonxml::debug('Construct Store return message:'.$result);
1141: } else {
1.560 raeburn 1142: my ($laststore,$checkedparts,@parts,%postcorrect,%record);
1.524 raeburn 1143: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1144: (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
1145: (!defined($env{'form.grade_courseid'}))) {
1.560 raeburn 1146: if ($env{'request.lti.login'}) {
1147: my ($map)=&Apache::lonnet::decode_symb($symb);
1148: $map = &Apache::lonnet::clutter($map);
1149: ($passback,$ltiscope,$ltimap,$ltisymb,$ltiref) =
1150: &needs_lti_passback($courseid,$symb,$map);
1151: }
1.524 raeburn 1152: if ($Apache::lonhomework::history{'version'}) {
1153: $laststore = $Apache::lonhomework::history{'version'}.'='.
1154: $Apache::lonhomework::history{'timestamp'};
1155: } else {
1156: $laststore = '0=0';
1157: }
1.560 raeburn 1158: %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1.524 raeburn 1159: if ($record{'version'}) {
1160: my ($newversion,$oldversion,$oldtimestamp);
1161: if ($Apache::lonhomework::history{'version'}) {
1162: $oldversion = $Apache::lonhomework::history{'version'};
1163: $oldtimestamp = $Apache::lonhomework::history{'timestamp'};
1164: } else {
1165: $oldversion = 0;
1166: $oldtimestamp = 0;
1167: }
1168: if ($record{'version'} > $oldversion) {
1169: if ($record{'timestamp'} >= $oldtimestamp) {
1170: $laststore = $record{'version'}.'='.$record{'timestamp'};
1171: $newversion = $record{'version'} + 1;
1172: $checkedparts = 1;
1173: foreach my $key (keys(%Apache::lonhomework::results)) {
1174: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1175: my $part = $1;
1176: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1177: push(@parts,$part);
1178: }
1179: }
1180: }
1181: if (@parts) {
1182: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1183: \%record,\@parts,$newversion,
1184: $oldversion);
1185: if (@parts_to_hide) {
1186: foreach my $part (@parts_to_hide) {
1187: $postcorrect{$part} = 1;
1188: &Apache::inputtags::hidealldata($part);
1189: }
1190: }
1191: }
1192: }
1193: }
1194: }
1195: }
1.159 albertel 1196: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
1.524 raeburn 1197: $symb,$courseid,$domain,$name,$laststore);
1198: if ($result =~ /^delay\:(\d+)$/) {
1199: my $numtrans = $1;
1200: my ($oldversion) = split(/=/,$laststore);
1201: if ($numtrans) {
1202: my $newversion = $oldversion + 1 + $numtrans;
1203: my @possparts;
1204: if ($checkedparts) {
1205: foreach my $part (@parts) {
1206: unless ($postcorrect{$part}) {
1207: push(@possparts,$part);
1208: }
1209: }
1210: } else {
1211: foreach my $key (keys(%Apache::lonhomework::results)) {
1212: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1213: my $part = $1;
1214: unless ($postcorrect{$part}) {
1215: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1216: push(@possparts,$part);
1217: }
1218: }
1219: }
1220: }
1221: }
1222: if (@possparts) {
1223: my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1224: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1225: \%newrecord,\@possparts,$newversion,
1226: $oldversion);
1227: if (@parts_to_hide) {
1228: my $partslist = join(',',@parts_to_hide);
1229: &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1);
1230: }
1231: }
1232: }
1233: }
1.562 raeburn 1234: if ($passback) {
1235: foreach my $key (keys(%Apache::lonhomework::results)) {
1236: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1237: my $part = $1;
1238: if ((($Apache::lonhomework::results{$key} =~ /^correct_/) ||
1239: ($Apache::lonhomework::results{$key} eq 'incorrect_attempted')) &&
1240: ($Apache::lonhomework::results{"resource.$part.tries"})) {
1241: $dopassback = 1;
1242: last;
1243: }
1244: }
1245: }
1246: }
1247: if (($dopassback) && ($ltiscope eq 'resource') && ($ltisymb eq $symb)) {
1.560 raeburn 1248: $total = 0;
1249: $possible = 0;
1250: my $navmap = Apache::lonnavmaps::navmap->new();
1251: if (ref($navmap)) {
1252: my $res = $navmap->getBySymb($symb);
1253: if (ref($res)) {
1254: my $partlist = $res->parts();
1255: if (ref($partlist) eq 'ARRAY') {
1256: foreach my $part (@{$partlist}) {
1257: unless (exists($Apache::lonhomework::results{"resource.$part.solved"})) {
1258: next if ($Apache::lonhomework::record{"resource.$part.solved"} =~/^excused/);
1259: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1260: $possible += $weight;
1261: if (($record{'version'}) && (exists($record{"resource.$part.awarded"}))) {
1262: my $awarded = $record{"resource.$part.awarded"};
1263: if ($awarded) {
1264: $total += $weight * $awarded;
1265: }
1266: }
1267: }
1268: }
1269: }
1270: }
1271: }
1272: foreach my $key (keys(%Apache::lonhomework::results)) {
1273: if ($key =~ /^resource\.([^\.]+)\.awarded$/) {
1274: my $part = $1;
1275: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1276: $possible += $weight;
1277: my $awarded = $Apache::lonhomework::results{$key};
1278: if ($awarded) {
1279: $total += $weight * $awarded;
1280: }
1281: }
1282: }
1283: }
1.159 albertel 1284: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1285: &store_aggregates($symb,$courseid);
1.562 raeburn 1286: if ($dopassback) {
1.560 raeburn 1287: my $scoreformat = 'decimal';
1288: if (ref($ltiref) eq 'HASH') {
1289: if ($ltiref->{'scoreformat'} =~ /^(decimal|ratio|percentage)$/) {
1290: $scoreformat = $1;
1291: }
1292: }
1293: my $ltigrade = {
1294: 'lti' => $ltiref,
1295: 'cid' => $courseid,
1296: 'uname' => $env{'user.name'},
1297: 'udom' => $env{'user.domain'},
1298: 'pbid' => $env{'request.lti.passbackid'},
1299: 'pburl' => $env{'request.lti.passbackurl'},
1300: 'scope' => $ltiscope,
1301: 'ltimap' => $ltimap,
1302: 'ltisymb' => $ltisymb,
1303: 'format' => $scoreformat,
1304: };
1305: if ($ltiscope eq 'resource') {
1306: $ltigrade->{'total'} = $total;
1307: $ltigrade->{'possible'} = $possible;
1308: }
1309: push(@Apache::lonhomework::ltipassback,$ltigrade);
1310: }
1.159 albertel 1311: }
1.323 albertel 1312: } else {
1313: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1314: }
1.159 albertel 1315: return $result;
1.65 albertel 1316: }
1317:
1.560 raeburn 1318: sub needs_lti_passback {
1319: my ($courseid,$symb,$map) = @_;
1320: if (($env{'request.lti.passbackid'}) && ($env{'request.lti.passbackurl'})) {
1321: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1322: my ($cdom,$cnum) = ($1,$2);
1323: my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider');
1324: if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') {
1325: if ($lti{$env{'request.lti.login'}}{'passback'}) {
1326: my ($ltiscope,$ltiuri,$ltisymb) =
1327: &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
1328: $cdom,$cnum,1);
1329: my ($passback,$ltimap);
1330: if ($ltiscope eq 'resource') {
1331: if ($ltisymb eq $symb) {
1332: $passback = 1;
1333: }
1334: } elsif ($ltiscope eq 'map') {
1335: if ($ltiuri eq $map) {
1336: $passback = 1;
1337: $ltimap = $map;
1338: }
1339: } elsif ($ltiscope eq 'course') {
1340: if (($env{'request.lti.uri'} eq "/$cdom/$cnum") || ($env{'request.lti.uri'} eq '')) {
1341: $passback = 1;
1342: }
1343: }
1344: return ($passback,$ltiscope,$ltimap,$ltisymb,$lti{$env{'request.lti.login'}});
1345: }
1346: }
1347: }
1348: }
1349: return;
1350: }
1351:
1.435 jms 1352: =pod
1353:
1.524 raeburn 1354: =item check_correctness_changes()
1355:
1356: For all parts for which current results contain a solved status
1357: of "incorrect_attempted", check if there was a transaction in which
1358: solved was set to "correct_by_student" in the time since the last
1359: transaction (retrieved when &initialize_storage() was called i.e.,
1360: when &start_problem() was called), unless:
1361: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1362: (b) problemstatus is set to no or no_feedback_ever
1363: If such a transaction exists, and did not occur after "reset status"
1364: by a user with grading privileges, then the current transaction is an
1365: example of an out-of-order transaction (i.e., incorrect occurring after
1366: correct). Accordingly, the current transaction should be hidden.
1367:
1368: =cut
1369:
1370:
1371: sub check_correctness_changes {
1372: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1373: my @parts_to_hide;
1374: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1375: return @parts_to_hide;
1376: }
1377: if (@{$parts}) {
1378: my $usec;
1379: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1380: ($env{'request.course.id'} eq $courseid)) {
1381: $usec = $env{'request.course.sec'};
1382: } else {
1383: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1384: }
1385: foreach my $id (@{$parts}) {
1386: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1387: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1388: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1389: my $reset;
1390: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1391: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1392: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1393: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1394: $reset = 1;
1395: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1396: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1397: unless ($reset) {
1398: push(@parts_to_hide,$id);
1399: last;
1400: }
1401: }
1402: }
1403: }
1404: }
1405: return @parts_to_hide;
1406: }
1407:
1408: =pod
1409:
1.435 jms 1410: item store_aggregates()
1411:
1412: Sends hash of values to be incremented in nohist_resourcetracker.db
1413: for the course. Increments total number of attempts, unique students
1414: and corrects for each part for an instance of a problem, as appropriate.
1415:
1416: =cut
1417:
1.285 raeburn 1418: sub store_aggregates {
1419: my ($symb,$courseid) = @_;
1.479 raeburn 1420: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1421: my @parts;
1.288 albertel 1422: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1423: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1424: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1425: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1426: push(@parts, $1);
1.285 raeburn 1427: }
1428: }
1.286 albertel 1429: foreach my $part (@parts) {
1.470 raeburn 1430: if ($env{'request.role'} =~/^st/) {
1431: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1432: eq 'APPROX_ANS' ||
1433: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1434: eq 'EXACT_ANS') {
1435: $aggregate{$symb."\0".$part."\0correct"} = 1;
1436: }
1437: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1438: $aggregate{$symb."\0".$part."\0users"} = 1;
1439: } else {
1440: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1441: if ($last_reset) {
1442: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1443: $aggregate{$symb."\0".$part."\0users"} = 1;
1444: }
1445: }
1446: }
1447: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1448: }
1.470 raeburn 1449: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1450: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1451: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1452: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1453: $randtrycounter{$symb."\0".$part} = 1;
1454: } else {
1455: $anoncounter{$symb."\0".$part} = 1;
1456: }
1.545 raeburn 1457: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.'::'};
1.537 raeburn 1458: if ($needsrelease) {
1.470 raeburn 1459: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1460: if ($curr_required eq '') {
1.471 raeburn 1461: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1462: } else {
1463: my ($currmajor,$currminor) = split(/\./,$curr_required);
1464: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1465: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1466: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1467: }
1.292 raeburn 1468: }
1469: }
1.285 raeburn 1470: }
1471: }
1.526 raeburn 1472: if (keys(%aggregate) > 0) {
1.289 albertel 1473: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1474: $cdomain,$cname);
1475: }
1.472 raeburn 1476: if (keys(%anoncounter) > 0) {
1.481 raeburn 1477: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1478: $cdomain,$cname);
1.472 raeburn 1479: }
1.479 raeburn 1480: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1481: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1482: $cdomain,$cname);
1.479 raeburn 1483: }
1.292 raeburn 1484: }
1.289 albertel 1485:
1.557 raeburn 1486: sub access_status_msg {
1487: my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_;
1488: my $msg;
1489: if ($target eq 'web') {
1490: if ($status eq 'UNAVAILABLE') {
1491: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1492: } elsif ($status eq 'NOT_IN_A_SLOT') {
1493: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1494: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1495: ($status eq 'NOTRESERVABLE')) {
1496: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1497: } elsif ($status ne 'NOT_YET_VIEWED') {
1498: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1499: }
1500: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1501: $msg.=&mt('The problem ').$accessmsg;
1502: } elsif ($status eq 'UNCHECKEDOUT') {
1503: $msg.=&checkout_msg();
1504: } elsif ($status eq 'NOT_YET_VIEWED') {
1505: $msg.=&firstaccess_msg($accessmsg,$symb);
1506: } elsif ($status eq 'NOT_IN_A_SLOT') {
1507: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1508: } elsif ($status eq 'RESERVABLE') {
1509: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1510: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1511: '<br />'.
1512: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1513: } elsif ($status eq 'RESERVABLE_LATER') {
1514: $msg.=&mt('Window to make a reservation will open [_1].',
1515: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1516: } elsif ($status eq 'NOTRESERVABLE') {
1517: $msg.=&mt('Not available to make a reservation.');
1518: } elsif ($status eq 'NEED_DIFFERENT_IP') {
1519: if ($ipused) {
1520: $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");
1521: } else {
1522: $msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
1523: &mt('Somebody else has already used this particular computer for that purpose.');
1524: }
1525: }
1526: $msg.='<br />';
1527: } elsif ($target eq 'tex') {
1528: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1529: : '\begin{minipage}{\textwidth}';
1530:
1531: $msg ='\noindent \vskip 1 mm '.
1532: $startminipage.'\vskip 0 mm';
1533: if ($status eq 'UNAVAILABLE') {
1534: $msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1535: } else {
1536: $msg.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1537: }
1538: }
1539: return $msg;
1540: }
1541:
1542: sub checkin_prompt {
1543: my ($target,$slot_name,$slot,$type) = @_;
1544: my $result;
1545: if ($target eq 'web') {
1546: $result = &Apache::bridgetask::proctor_validation_screen($slot);
1547: } elsif ($target eq 'grade') {
1548: if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) {
1549: $result = &mt('An error occurred during check-in');
1550: }
1551: }
1552: return $result;
1553: }
1554:
1555: sub selfcheckin_resource {
1556: my ($resource_due,$slot_name,$slot,$symb) = @_;
1557: if ($slot_name ne '') {
1558: my $checked_in =
1559: $Apache::lonhomework::history{'resource.0.checkedin'};
1560: if ($checked_in eq '') {
1561: # unproctored slot access, self checkin
1562: my $needsiptied;
1563: if (ref($slot)) {
1564: $needsiptied = $slot->{'iptied'};
1565: }
1566: my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1567: $slot_name,$needsiptied);
1568: if ($check =~ /^error: /) {
1569: &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name");
1570: } else {
1571: $checked_in = $Apache::lonhomework::results{"resource.0.checkedin"};
1572: }
1573: }
1574: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1575: if ($slot->{'starttime'} < time()) {
1576: if (!$resource_due) {
1577: $resource_due = $slot->{'endtime'};
1578: } elsif ($slot->{'endtime'} < $resource_due) {
1579: $resource_due = $slot->{'endtime'};
1580: }
1581: }
1582: }
1583: }
1584: return $resource_due;
1585: }
1586:
1.65 albertel 1587: sub checkout_msg {
1.211 albertel 1588: my %lt=&Apache::lonlocal::texthash(
1589: 'resource'=>'The resource needs to be checked out',
1590: '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.',
1591: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 1592: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
1593: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 1594: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1595: return (<<ENDCHECKOUT);
1.211 albertel 1596: <h2>$lt{'resource'}</h2>
1597: <p>$lt{'id_expln'}</p>
1.449 bisitz 1598: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1599: <form name="checkout" method="post" action="$uri">
1.91 albertel 1600: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1601: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1602: </form>
1603: ENDCHECKOUT
1604: }
1605:
1.252 albertel 1606: sub firstaccess_msg {
1.253 albertel 1607: my ($time,$symb)=@_;
1.414 albertel 1608: my $result;
1609: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1610: if ($interval[1] eq 'map') {
1611: my ($map)=&Apache::lonnet::decode_symb($symb);
1612: my $foldertitle=&Apache::lonnet::gettitle($map);
1613:
1614: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1615: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1616: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1617: ,$foldertitle,$time)."</p>";
1.414 albertel 1618: } elsif ($interval[1] eq 'course') {
1619: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1620: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1621: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1622: ,$course,$time)."</p>";
1.414 albertel 1623: } else {
1624: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1625: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1626: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1627: ,$title,$time)."</p>";
1.414 albertel 1628: }
1.352 albertel 1629: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1630: my $buttontext = &mt('Show Resource');
1631: my $timertext = &mt('Start Timer?');
1.414 albertel 1632: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1633: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1634: <input type="hidden" name="markaccess" value="yes" />
1.514 bisitz 1635: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1636: </form>
1637: ENDCHECKOUT
1.414 albertel 1638: return $result;
1.252 albertel 1639: }
1640:
1.204 albertel 1641: sub init_problem_globals {
1642: my ($type)=@_;
1643: #initialize globals
1.308 foxr 1644: # For problems, we start out in part 0 (outside a <part> tag).
1645: # and part 0 is used to describe the main body of the <problem>
1646: #
1.204 albertel 1647: if ($type eq 'problem') {
1648: $Apache::inputtags::part='0';
1649: @Apache::inputtags::partlist=('0');
1.405 albertel 1650: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1651: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1652:
1.266 albertel 1653: } elsif ($type eq 'library') {
1.204 albertel 1654: $Apache::inputtags::part='';
1655: @Apache::inputtags::partlist=();
1.405 albertel 1656: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1657: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1658:
1.304 albertel 1659: } elsif ($type eq 'Task') {
1660: $Apache::inputtags::part='0';
1661: @Apache::inputtags::partlist=('0');
1.405 albertel 1662: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1663: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1664: }
1.477 www 1665: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1666: @Apache::inputtags::responselist = ();
1667: @Apache::inputtags::importlist = ();
1668: @Apache::inputtags::previous=();
1669: @Apache::inputtags::previous_version=();
1.536 raeburn 1670: $Apache::inputtags::leniency='';
1.204 albertel 1671: $Apache::structuretags::printanswer='No';
1672: @Apache::structuretags::whileconds=();
1673: @Apache::structuretags::whilebody=();
1674: @Apache::structuretags::whileline=();
1675: $Apache::lonhomework::scantronmode=0;
1.566 raeburn 1676: $Apache::lonhomework::randomizetrypart=0;
1.204 albertel 1677: undef($Apache::lonhomework::name);
1.358 albertel 1678: undef($Apache::lonhomework::default_type);
1679: undef($Apache::lonhomework::type);
1.204 albertel 1680: }
1681:
1682: sub reset_problem_globals {
1683: my ($type)=@_;
1684: undef(%Apache::lonhomework::history);
1685: undef(%Apache::lonhomework::results);
1686: undef($Apache::inputtags::part);
1.536 raeburn 1687: undef($Apache::inputtags::leniency);
1.498 raeburn 1688: if ($type eq 'Task') {
1689: undef($Apache::inputtags::slot_name);
1.528 raeburn 1690: } elsif ($type eq 'problem') {
1691: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1692: }
1.208 albertel 1693: #don't undef this, lonhomework.pm takes care of this, we use this to
1694: #detect if we try to do 2 problems in one file
1695: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1696: undef($Apache::lonhomework::name);
1.358 albertel 1697: undef($Apache::lonhomework::default_type);
1698: undef($Apache::lonhomework::type);
1699: undef($Apache::lonhomework::scantronmode);
1.566 raeburn 1700: undef($Apache::inputtags::randomizetrypart);
1.358 albertel 1701: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1702: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1703: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1704: }
1705:
1.241 albertel 1706: sub set_problem_state {
1.240 albertel 1707: my ($part)=@_;
1.284 albertel 1708: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1709: $Apache::lonhomework::history{"resource.$part.solved"}=
1710: 'correct_by_student';
1711: }
1712: }
1713:
1.241 albertel 1714: sub get_problem_status {
1715: my ($part)=@_;
1.267 albertel 1716: my $problem_status;
1.284 albertel 1717: if ($env{'request.state'} eq 'construct' &&
1718: defined($env{'form.problemstatus'})) {
1719: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1720: } else {
1721: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1722: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1723: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1724: }
1725: return $problem_status;
1726: }
1727:
1.9 albertel 1728: sub start_problem {
1.326 albertel 1729: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1730:
1.311 foxr 1731: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1732: if (!$Apache::lonxml::metamode) {
1733: &Apache::lonxml::startredirection();
1734: }
1.311 foxr 1735:
1.308 foxr 1736: # Problems don't nest and we don't allow more than one <problem> in
1737: # a .problem file.
1738: #
1.184 albertel 1739: if ( $Apache::inputtags::part ne '' ||
1740: $Apache::lonhomework::parsing_a_problem) {
1741: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1742: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1743: return '';
1744: }
1.184 albertel 1745:
1746: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1747: &init_problem_globals('problem');
1.166 albertel 1748:
1.284 albertel 1749: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1750: $Apache::lonhomework::scantronmode=1;
1751: }
1.161 albertel 1752:
1.159 albertel 1753: if ($target ne 'analyze') {
1.415 raeburn 1754: my $type = &Apache::lonnet::EXT('resource.0.type');
1755: $Apache::lonhomework::type=$type;
1.284 albertel 1756: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1757: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1758: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1759: }
1.332 albertel 1760: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1761: }
1.164 albertel 1762: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1763: my $uri=$env{'request.uri'};
1.159 albertel 1764: if ($uri=~/\.(\w+)$/) {
1765: $Apache::lonhomework::type=$1;
1766: &Apache::lonxml::debug("Using type of $1");
1767: } else {
1768: $Apache::lonhomework::type='problem';
1769: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1770: }
1.87 albertel 1771: }
1.301 albertel 1772: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1773:
1.363 albertel 1774: &initialize_storage();
1.389 albertel 1775: if ($target ne 'analyze'
1776: && $env{'request.state'} eq 'construct') {
1777: &set_problem_state('0');
1778: }
1779:
1.366 albertel 1780: if ($target eq 'web') {
1781: &Apache::lonxml::debug(" grading history ");
1782: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1783: }
1.363 albertel 1784:
1.159 albertel 1785: #added vars to the scripting enviroment
1.213 albertel 1786: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1787: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1788: &Apache::run::run($expression,$safeeval);
1.159 albertel 1789: my $status;
1790: my $accessmsg;
1.508 raeburn 1791: my $resource_due;
1.540 raeburn 1792: my $ipused;
1.159 albertel 1793:
1.343 albertel 1794: my $name= &get_resource_name($parstack,$safeeval);
1.561 raeburn 1795: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres);
1.506 raeburn 1796:
1797: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1798: $target eq 'tex') {
1799: if ($env{'form.markaccess'}) {
1800: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.539 raeburn 1801: my ($timelimit) = split(/_/,$interval[0]);
1.561 raeburn 1802: my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit);
1803: unless (($is_set eq 'ok') || ($is_set eq 'already_set')) {
1804: $firstaccres = $is_set;
1805: }
1.506 raeburn 1806: }
1807: }
1808:
1.354 albertel 1809: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1810: || $target eq 'edit') {
1.528 raeburn 1811: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1812: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1813: $name);
1.552 raeburn 1814: } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
1815: ($target eq 'answer')) {
1.528 raeburn 1816: my ($symb)= &Apache::lonnet::whichuser();
1817: my $navmap = Apache::lonnavmaps::navmap->new();
1818: if (ref($navmap)) {
1819: my $res = $navmap->getBySymb($symb);
1820: if (ref($res)) {
1821: $probpartlist = $res->parts();
1822: }
1823: }
1.350 albertel 1824: }
1825:
1.552 raeburn 1826: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1827: $target eq 'tex') {
1828:
1829: my ($symb)= &Apache::lonnet::whichuser();
1830: ($status,$accessmsg,$slot_name,$slot,$ipused) =
1831: &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
1832: push (@Apache::inputtags::status,$status);
1833: }
1834:
1.284 albertel 1835: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1836:
1.479 raeburn 1837: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1838: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1839: $target eq 'tex') {
1.479 raeburn 1840:
1.159 albertel 1841: #handle rand seed in construction space
1.528 raeburn 1842: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1843: if (($target eq 'grade') && &Apache::response::submitted()) {
1844: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1845: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1846: } else {
1847: my @parts;
1848: if (ref($probpartlist) eq 'ARRAY') {
1849: @parts = @{$probpartlist};
1850: }
1851: unless (@parts) {
1.529 raeburn 1852: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1853: }
1854: }
1855: }
1.367 albertel 1856: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 1857:
1.333 albertel 1858: if ($env{'request.state'} ne "construct" &&
1859: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.565 raeburn 1860: my $rndseedval = $rndseed;
1861: if (($symb eq '') && ($Apache::lonhomework::type eq 'randomizetry')) {
1862: $rndseedval = $env{'form.rndseed'};
1863: }
1.162 albertel 1864: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.565 raeburn 1865: $rndseedval.'" />'.
1.551 damieng 1866: '<button type="submit" name="resetdata"
1867: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1868: if (exists($env{'form.username'})) {
1869: $form_tag_start.=
1.164 albertel 1870: '<input type="hidden" name="username"
1.284 albertel 1871: value="'.$env{'form.username'}.'" />';
1.334 albertel 1872: }
1.462 raeburn 1873: if ($env{'request.role.adv'}) {
1874: $form_tag_start.= ' <label class="LC_nobreak">'
1875: .'<input type="checkbox" name="showallfoils"';
1876: if (defined($env{'form.showallfoils'})) {
1877: $form_tag_start.=' checked="checked"';
1878: }
1879: $form_tag_start.= ' /> '
1880: .&mt('Show All Foils')
1881: .'</label>';
1882: }
1.417 www 1883: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1884: $form_tag_start.=&practice_problem_header();
1.417 www 1885: }
1.462 raeburn 1886: $form_tag_start.='<hr />';
1.565 raeburn 1887: }
1888: if (($env{'request.state'} ne "construct") &&
1889: ($Apache::lonhomework::type eq 'randomizetry') &&
1890: ($status eq 'CAN_ANSWER') &&
1891: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
1892: (!$env{'request.role.adv'})) {
1.549 raeburn 1893: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.566 raeburn 1894: my @parts;
1895: if (ref($probpartlist) eq 'ARRAY') {
1896: @parts = @{$probpartlist};
1897: }
1898: unless (@parts) {
1899: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1900: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1901: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries,$symb);
1902: }
1.479 raeburn 1903: }
1.324 albertel 1904:
1.159 albertel 1905: my $expression='$external::datestatus="'.$status.'";';
1906: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
1907: &Apache::run::run($expression,$safeeval);
1908: &Apache::lonxml::debug("Got $status");
1.324 albertel 1909:
1.159 albertel 1910: if (( $status eq 'CLOSED' ) ||
1911: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1912: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 1913: ( $status eq 'BANNED') ||
1.216 albertel 1914: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 1915: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 1916: ( $status eq 'NOTRESERVABLE') ||
1917: ( $status eq 'RESERVABLE') ||
1918: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 1919: ( $status eq 'INVALID_ACCESS') ||
1920: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 1921: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1922: $style);
1.561 raeburn 1923: if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
1924: $result .= '<p class="LC_error">'.
1925: &mt('A problem occurred when trying to start the timer.').'</p>';
1926: }
1.557 raeburn 1927: $result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);
1.324 albertel 1928: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1929: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1930: $style);
1.557 raeburn 1931: $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 1932: } elsif ($target eq 'web') {
1.508 raeburn 1933: if ($status eq 'CAN_ANSWER') {
1934: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
1935: if ($slot_name ne '') {
1.557 raeburn 1936: $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
1937: $env{'request.symb'});
1.508 raeburn 1938: }
1939: if ($resource_due) {
1940: my $time_left = $resource_due - time();
1941: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
1942: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
1943: }
1944: }
1945: }
1.368 albertel 1946: $result.="\n $form_tag_start \t".
1.227 albertel 1947: '<input type="hidden" name="submitted" value="yes" />';
1948: # create a page header and exit
1.284 albertel 1949: if ($env{'request.state'} eq "construct") {
1.544 damieng 1950: if ($env{'form.inhibitmenu'} eq 'yes') {
1951: # error messages can be useful in any case
1952: $result.= &Apache::lonxml::message_location();
1953: } else {
1.542 raeburn 1954: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1955: }
1.428 raeburn 1956: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 1957: $result.= '<button type="submit" name="resetdata" '.
1958: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
1959: &practice_problem_header().'<hr />';
1.564 raeburn 1960: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
1961: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1962: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1963: $result.=&randomizetry_problem_header($problemstatus,$reqtries);
1.428 raeburn 1964: }
1.227 albertel 1965: }
1966: # if we are viewing someone else preserve that info
1.284 albertel 1967: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1968: foreach my $field ('symb','courseid','domain','username') {
1969: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1970: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1971: }
1.479 raeburn 1972: foreach my $field ('trial','questiontype') {
1973: if ($env{"form.grade_$field"} ne '') {
1974: $result .= '<input type="hidden" name="grade_'.$field.
1975: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1976: }
1977: }
1.159 albertel 1978: }
1.490 raeburn 1979: if ($env{'form.grade_imsexport'}) {
1980: $result = '';
1981: }
1.159 albertel 1982: } elsif ($target eq 'tex') {
1.319 foxr 1983: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 1984: $result .= &select_metadata_hyphenation();
1.99 sakharuk 1985: }
1.159 albertel 1986: } elsif ($target eq 'edit') {
1.343 albertel 1987: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1988: $Apache::lonxml::warnings_error_header=
1989: &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 1990: my $temp=&Apache::edit::insertlist($target,$token);
1991: $result.=$temp;
1992: } elsif ($target eq 'modified') {
1993: $result=$token->[4];
1994: } else {
1995: # page_start returned a starting result, delete it if we don't need it
1996: $result = '';
1.99 sakharuk 1997: }
1.159 albertel 1998: return $result;
1.9 albertel 1999: }
2000:
2001: sub end_problem {
1.159 albertel 2002: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 2003: my $result;
1.310 foxr 2004:
1.321 albertel 2005: if (!$Apache::lonxml::metamode) {
2006: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 2007: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2008: }
1.319 foxr 2009:
2010: if ($target eq 'tex') {
1.321 albertel 2011: # Figure out the front matter and replace the
2012: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
2013: # this in end_problem because whether or not we display due
2014: # dates depends on whether due dates have already been
2015: # displayed in the problem parts.
2016:
1.319 foxr 2017: my $frontmatter = '';
2018: my $startminipage = '';
2019: if (not $env{'form.problem_split'}=~/yes/) {
2020: $startminipage = '\begin{minipage}{\textwidth}';
2021: }
2022: my $id = $Apache::inputtags::part;
2023: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
2024: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2025: my @packages = split(/,/,$packages);
1.319 foxr 2026: my $allow_print_points = 0;
2027: foreach my $partial_key (@packages) {
2028: if ($partial_key=~m/^part_0$/) {
2029: $allow_print_points=1;
2030: }
2031: }
2032: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2033: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
2034: if (lc($env{'course.'.$env{'request.course.id'}.
2035: '.disableexampointprint'}) eq 'yes') {
2036: $allow_print_points=0;
2037: }
2038: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 2039: 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 2040: &clear_required_languages();
1.319 foxr 2041: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
2042: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
2043:
2044: # Figure out what the due date is and if we need to print
2045: # it in the problem header. We have been logging the
2046: # last due date written to file.
2047:
2048: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2049: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2050: my $duedate_text = &mt('Due date: [_1]'
2051: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2052: my $temp_file;
2053: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2054:
2055: # Figure out what the last printed due date is or set it
2056: # to the epoch if no duedates have been printed.
2057:
2058: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2059: if (-e $filename) {
2060: $temp_file = Apache::File->new($filename);
2061: my @due_file = <$temp_file>;
2062: $due_file_content = $due_file[$#due_file];
2063: chomp $due_file_content;
2064: }
2065:
2066: # We display the due date iff it is not the same as the last
2067: # duedate in problem header ($due_file_content), and
2068: # none of our parts displayed a duedate.
2069: #
2070: my $parts_with_displayduedate;
2071: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2072: $parts_with_displayduedate =
2073: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2074: } else {
2075: $parts_with_displayduedate = 0;
2076: }
2077: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2078: $temp_file = Apache::File->new('>'.$filename);
2079: print $temp_file "$duetime\n";
2080: if (not $env{'request.symb'} =~ m/\.page_/) {
2081: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2082: $frontmatter .= $begin_doc.
1.448 bisitz 2083: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2084: } else {
2085: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2086: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2087: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2088: }
1.319 foxr 2089: }
2090: } else {
1.448 bisitz 2091: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2092: }
2093: } else {
2094: if (not $env{'request.symb'} =~ m/\.page_/) {
2095: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2096: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2097: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2098: }
1.319 foxr 2099: } else {
1.381 albertel 2100: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2101: }
2102: }
2103: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
2104: }
2105:
1.159 albertel 2106: my $status=$Apache::inputtags::status['-1'];
2107: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2108: $target eq 'tex') {
1.249 albertel 2109: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2110: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2111: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2112: &Apache::inputtags::grade;
1.324 albertel 2113: } elsif ($status eq 'NEEDS_CHECKIN') {
2114: # no need to grade, and don't want to hide data
1.249 albertel 2115: } else {
2116: # move any submission data to .hidden
2117: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2118: }
1.159 albertel 2119: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2120: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2121: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2122: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2123: # if part is zero, no <part>s existed, so we need show the current
2124: # grading status
2125: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2126: $result.= $gradestatus;
2127: }
2128: if (
1.284 albertel 2129: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2130: ($target eq 'answer') || ($target eq 'tex')
2131: ) {
1.490 raeburn 2132: if (($target ne 'tex') &&
2133: ($env{'form.answer_output_mode'} ne 'tex') &&
2134: (!$env{'form.grade_imsexport'})) {
1.254 www 2135: $result.="</form>";
1.159 albertel 2136: }
2137: if ($target eq 'web') {
1.507 raeburn 2138: #
2139: # Closing </body></html> not added by end_page().
2140: # Added separately at end of this routine, after added
2141: # <script></script> so document will be valid xhtml.
2142: #
1.546 raeburn 2143: my $showdisc = 1;
1.547 raeburn 2144: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
2145: (!$env{'request.role.adv'})) {
2146: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 2147: $showdisc = 0;
1.547 raeburn 2148: my ($symb)= &Apache::lonnet::whichuser();
2149: if ($symb) {
2150: my $navmap = Apache::lonnavmaps::navmap->new();
2151: if (ref($navmap)) {
2152: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
2153: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 2154: # and there are no tries left
1.547 raeburn 2155: unless ($hastries) {
2156: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
2157: my ($score,$incomplete) =
2158: &Apache::lonplacementtest::check_completion(undef,undef,1);
2159: if (!$incomplete) {
2160: $result .= &Apache::lonplacementtest::showresult(1,1);
2161: } elsif ($incomplete < 100) {
2162: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
2163: }
2164: } else {
2165: # For Placement Tests score is displayed if test has just been completed
2166: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
2167: if (!$incomplete) {
2168: $result.= &Apache::lonplacementtest::showresult(1,1);
2169: }
2170: }
2171: }
2172: }
2173: }
1.546 raeburn 2174: }
2175: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 2176: 'notbody' => 1});
1.159 albertel 2177: } elsif ($target eq 'tex') {
1.178 sakharuk 2178: my $endminipage = '';
1.284 albertel 2179: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2180: $endminipage = '\end{minipage}';
2181: }
1.284 albertel 2182: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2183: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2184: } else {
1.262 sakharuk 2185: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2186: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2187: $result .= $endminipage.'\end{document} ';
2188: } else {
1.382 albertel 2189: $result .= $endminipage;
1.262 sakharuk 2190: }
1.159 albertel 2191: }
2192: }
2193: }
1.476 www 2194: if ($target eq 'web') {
1.566 raeburn 2195: $result.=&Apache::functionplotresponse::init_script();
2196: if ($Apache::lonhomework::default_type eq 'randomizetry') {
2197: my ($symb) = &Apache::lonnet::whichuser();
2198: if ((($env{'request.state'} eq 'construct') || ($symb eq '')) &&
2199: ($status eq 'CAN_ANSWER')) {
2200: unless (@Apache::inputtags::partlist > 1) {
2201: $result.= <<"ENDJS";
2202: <script type="text/javascript">
2203: // <![CDATA[
2204: \$(document).ready(function() {
2205: \$('#LC_randomizetry_header').css('display','block');
2206: });
2207: // ]]>
2208: </script>
2209: ENDJS
2210: }
2211: }
2212: }
1.476 www 2213: }
1.159 albertel 2214: if ($target eq 'grade') {
2215: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2216: &finalize_storage();
2217: }
1.284 albertel 2218: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2219: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2220: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2221: # normally we get it from above, but in CSTR
1.172 albertel 2222: # we always show answer mode too.
1.159 albertel 2223: }
2224: } elsif ($target eq 'meta') {
2225: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2226: @Apache::inputtags::response=();
1.159 albertel 2227: $result=&Apache::response::mandatory_part_meta;
2228: }
1.559 raeburn 2229: $result.=&Apache::response::meta_part_order('problem');
1.258 albertel 2230: $result.=&Apache::response::meta_response_order();
1.159 albertel 2231: } elsif ($target eq 'edit') {
2232: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2233: $result .= &problem_edit_footer();
1.320 albertel 2234: } elsif ($target eq 'modified') {
2235: $result .= $token->[2];
1.159 albertel 2236: }
1.155 albertel 2237:
1.284 albertel 2238: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2239: &Apache::inputtags::check_for_duplicate_ids();
2240: }
1.204 albertel 2241:
2242: &reset_problem_globals('problem');
1.159 albertel 2243:
1.502 foxr 2244: #
2245: # This shouild be just above the return so that the
2246: # time put in the javascript is as late as possible in the
2247: # computation:
2248: #
2249: if ($target eq 'web') {
2250: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2251: #
2252: # Closing tags delayed so any <script></script> tags
2253: # not in head can appear inside body, for valid xhtml.
2254: #
2255: $result .= "</body>\n</html>";
1.502 foxr 2256: }
1.159 albertel 2257: return $result;
1.48 albertel 2258: }
2259:
1.108 albertel 2260:
1.48 albertel 2261: sub start_library {
1.159 albertel 2262: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2263: my ($result,$form_tag_start);
1.371 albertel 2264: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2265: &init_problem_globals('library');
2266: $Apache::lonhomework::type='problem';
2267: }
1.159 albertel 2268: if ($target eq 'edit') {
1.343 albertel 2269: ($result,$form_tag_start)=
2270: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2271: 'Edit');
2272: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2273: my $temp=&Apache::edit::insertlist($target,$token);
2274: $result.=$temp;
2275: } elsif ($target eq 'modified') {
2276: $result=$token->[4];
1.340 albertel 2277: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2278: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2279: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2280: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2281: ($result,$form_tag_start)=
2282: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2283: $name);
1.479 raeburn 2284: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2285: $result.=" \n $form_tag_start".
1.159 albertel 2286: '<input type="hidden" name="submitted" value="yes" />';
2287: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2288: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2289: $result.= '<button type="submit" name="resetdata" '.
2290: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2291: &practice_problem_header().'<hr />';
1.428 raeburn 2292: }
1.159 albertel 2293: }
2294: return $result;
1.48 albertel 2295: }
2296:
2297: sub end_library {
1.159 albertel 2298: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2299: my $result='';
2300: if ($target eq 'edit') {
2301: $result=&problem_edit_footer();
1.371 albertel 2302: } elsif ($target eq 'web'
2303: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2304: && $env{'request.state'} eq "construct") {
1.349 albertel 2305: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.558 raeburn 2306: } elsif ($target eq 'meta') {
1.559 raeburn 2307: $result.=&Apache::response::meta_part_order('library');
1.558 raeburn 2308: $result.=&Apache::response::meta_response_order();
1.159 albertel 2309: }
1.371 albertel 2310: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2311: &reset_problem_globals('library');
2312: }
1.159 albertel 2313: return $result;
1.197 www 2314: }
2315:
2316: sub start_definetag {
1.326 albertel 2317: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2318:
2319: my $result;
2320:
2321: my $name = $token->[2]->{'name'};
1.326 albertel 2322: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2323: if ($target eq 'web') {
2324: if ($name=~/^\//) {
2325: $result=
2326: '<br /><table class="LC_sty_end"><tr><th>'.
2327: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2328: } else {
2329: $result=
2330: '<br /><table class="LC_sty_begin"><tr><th>'.
2331: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2332: }
2333: $skip = &HTML::Entities::encode($skip, '<>&"');
2334: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2335: }
2336: return $result;
2337: }
2338:
2339: sub end_definetag {
2340: return '';
1.1 albertel 2341: }
2342:
2343: sub start_block {
1.201 albertel 2344: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2345:
2346: my $result;
1.1 albertel 2347:
1.339 albertel 2348: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2349: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2350: my $code = $token->[2]->{'condition'};
1.385 albertel 2351: if (defined($code) && $code ne '') {
1.137 albertel 2352: if (!$Apache::lonxml::default_homework_loaded) {
2353: &Apache::lonxml::default_homework_load($safeeval);
2354: }
1.131 albertel 2355: $result = &Apache::run::run($code,$safeeval);
2356: &Apache::lonxml::debug("block :$code: returned :$result:");
2357: } else {
2358: $result='1';
2359: }
2360: if ( ! $result ) {
1.201 albertel 2361: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2362: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2363: }
2364: $result='';
2365: } elsif ($target eq 'edit') {
2366: $result .=&Apache::edit::tag_start($target,$token);
2367: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2368: $token,40);
2369: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2370: } elsif ($target eq 'modified') {
2371: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2372: $safeeval,'condition');
2373: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2374: }
1.131 albertel 2375: return $result;
1.1 albertel 2376: }
2377:
2378: sub end_block {
1.167 www 2379: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2380: my $result;
2381: if ($target eq "edit") {
2382: $result.= &Apache::edit::tag_end($target,$token,'');
2383: }
2384: return $result;
2385: }
1.500 foxr 2386: #
2387: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2388: # ...
2389: # </languageblock>
2390: #
2391: # This declares the intent to provide content that can be rendered in the
2392: # set of languages in the include specificatino but not in the exclude
2393: # specification. If a currently preferred language is in the include list
2394: # the content in the <languageblock>...</languageblock> is rendered
2395: # If the currently preferred language is in the exclude list,
2396: # the content in the <languageblock>..></languageblock is not rendered.
2397: #
2398: # Pathalogical case handling:
2399: # - Include specified, without the preferred language but exclude specified
2400: # also without the preferred langauge results in rendering the block.
2401: # - Exclude specified without include and excluden not containing a
2402: # preferred language renders the block.
2403: # - Include and exclude both specifying the preferred language does not
2404: # render the block.
2405: # - If neither include/exclude is specified, the block gets rendered.
2406: #
2407: # This tag has no effect when target is in {edit, modified}
2408: #
1.167 www 2409: sub start_languageblock {
1.201 albertel 2410: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2411:
1.500 foxr 2412: my $result = '';
1.167 www 2413:
1.339 albertel 2414: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2415: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2416: my $include = $token->[2]->{'include'};
2417: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2418: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2419:
2420: # This should not even happen, since we should at least have the server language
2421:
2422: if (!$preferred_languages[0]) {
2423: $preferred_languages[0]='en';
2424: }
2425:
2426: # Now loop over all languages in order of preference
2427:
2428: my $render;
1.398 www 2429: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2430:
2431: # If neither include/nor exlude is present the block is going
2432: # to get rendered.
2433:
1.399 www 2434: my $found=0;
1.500 foxr 2435: $render=1;
2436:
2437: # If include is specified, don't render the block
2438: # unless the preferred language is included in the set.
2439:
1.398 www 2440: if ($include) {
1.500 foxr 2441: $render=0;
1.398 www 2442: foreach my $included_language (split(/\,/,$include)) {
2443: if ($included_language eq $preferred_language) {
1.500 foxr 2444: $render=1;
1.399 www 2445: $found=1;
1.500 foxr 2446: last; # Only need to find the first.
1.398 www 2447: }
2448: }
2449: }
1.500 foxr 2450: # Do we have an exclude argument?
2451: # If so, and one of the languages matches a preferred language
2452: # inhibit rendering the block. Note that in the pathalogical case the
2453: # author has specified a preferred language in both the include and exclude
2454: # attribte exclude is preferred.
2455:
1.398 www 2456: if ($exclude) {
1.500 foxr 2457: $render=1;
1.398 www 2458: foreach my $excluded_language (split(/\,/,$exclude)) {
2459: if ($excluded_language eq $preferred_language) {
1.500 foxr 2460: $render=0;
1.399 www 2461: $found=1;
1.500 foxr 2462: last; # Only need to find the first.
1.398 www 2463: }
2464: }
2465: }
1.500 foxr 2466: if ($found) {
2467: last; # Done on any match of include or exclude.
2468: }
1.398 www 2469: }
1.500 foxr 2470: # If $render not true skip the entire block until </languageblock>
2471: #
2472:
2473: if ( ! $render ) {
1.201 albertel 2474: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2475: $style);
2476: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2477: }
1.500 foxr 2478: # If $render is true, we've not skipped the contents of the <languageglock>
2479: # and the normal loncapa processing flow will render it as a matter of course.
2480:
1.167 www 2481: } elsif ($target eq 'edit') {
2482: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2483: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2484: $token,40);
1.211 albertel 2485: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2486: $token,40);
2487: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2488: } elsif ($target eq 'modified') {
2489: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2490: $safeeval,'include',
2491: 'exclude');
1.167 www 2492: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2493: }
2494: return $result;
2495: }
2496:
2497: sub end_languageblock {
1.170 www 2498: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2499: my $result;
1.201 albertel 2500: if ($target eq "edit") {
1.170 www 2501: $result.= &Apache::edit::tag_end($target,$token,'');
2502: }
2503: return $result;
2504: }
1.500 foxr 2505: # languagblock specific tags:
2506: {
2507: # For chunks of a resource that has translations, this hash contains
2508: # the translations available indexed by language name.
2509: #
2510:
2511: my %available_texts;
1.170 www 2512:
1.500 foxr 2513: # <translated> starts a block of a resource that has multiple translations.
2514: # See the <lang> tag as well.
2515: # When </translated> is encountered if there is a translation for the
2516: # currently preferred language, that is rendered inthe web/tex/webgrade
2517: # targets. Otherwise, the default text is rendered.
2518: #
2519: # Note that <lang> is only registered for the duration of the
2520: # <translated>...</translated> block
2521: #
2522: # Pathalogical case handling:
2523: # - If there is no <lang> that specifies a 'default' and there is no
2524: # translation that matches a preferred language, nothing is rendered.
2525: # - Nested <translated>...</translated> might be linguistically supported by
2526: # XML due to the stack nature of tag registration(?) however the rendered
2527: # output will be incorrect because there is only one %available_texts
2528: # has and end_translated clears it.
2529: # - Material outside of a <lang>...</lang> block within the
2530: # <translated>...<translated> block won't render either e.g.:
2531: # <translated>
2532: # The following will be in your preferred langauge:
2533: # <lang which='en'>
2534: # This section in english
2535: # </lang>
2536: # <lang which='sgeiso'>
2537: # Hier es ist auf Deutsch.
2538: # </lang>
2539: # <lang which='sfriso'>
2540: # En Francais
2541: # </lang>
2542: # </translated>
2543: #
2544: # The introductory text prior to the first <lang> tag is not rendered.
2545: #
1.397 albertel 2546: sub start_translated {
2547: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2548: &Apache::lonxml::register('Apache::structuretags',('lang'));
2549: undef(%available_texts);
2550: }
2551:
2552: sub end_translated {
2553: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2554: my $result;
2555: #show the translation on viewable targets
2556: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2557: # or non-viewable targets, if it's embedded in something that
2558: # wants the output
2559: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2560: && &Apache::lonxml::in_redirection() ) ) {
2561: my @possibilities = keys(%available_texts);
2562: my $which =
2563: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2564: if ($target eq 'tex') {
2565: $result = &select_hyphenation($which);
2566: }
2567: $result .= $available_texts{$which};
2568: if ($target eq 'tex') {
2569: $result .= &select_metadata_hyphenation(); # Restore original language.
2570: }
1.397 albertel 2571: }
2572: undef(%available_texts);
2573: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2574: return $result;
2575: }
2576:
1.500 foxr 2577: # <lang [which='language-name'] [other='lang1,lang2...']>
2578: # Specifies that the block contained within it is a translation
2579: # for a specific language specified by the 'which' attribute. The
2580: # 'other' attribute can be used by itself or in conjunction with
2581: # which to specify this tag _may_ be used as a translation for some
2582: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2583: # specifying that the block provides a translation for US (primary)
2584: # Canadian, Australian and UK Englush.
2585: #
2586: # Comment: this seems a bit silly why not just support a list of languages
2587: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2588: #
2589: # Effect:
2590: # The material within the <lang>..</lang> block is stored in the
2591: # specified set of $available_texts hash entries, the appropriate one
2592: # is selected at </translated> time.
2593: #
2594: # Pathalogical case handling:
2595: # If a language occurs multiple times within a <translated> block,
2596: # only the last one is rendered e.g.:
2597: #
2598: # <translated>
2599: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2600: # Red green color blindness is quite common affecting about 7.8% of
2601: # the male population, but onloy about .65% of the female population.
2602: # </lang>
2603: # Red green colour blindness is quite common affecting about 7.8% of
2604: # the male population, but onloy about .65% of the female population.
2605: # <lang which='seniso', other='senisoCA,senisoAU'>
2606: # </translated>
2607: #
2608: # renders the correct spelling of color (colour) for people who have specified
2609: # a preferred language that is one of the British Commonwealth languages
2610: # even though those are also listed as valid selections for the US english
2611: # <lang> block.
2612: #
1.397 albertel 2613: sub start_lang {
2614: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2615: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2616: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2617: &Apache::lonxml::startredirection();
2618: }
2619: return '';
2620: }
2621:
2622: sub end_lang {
2623: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2624: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2625: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2626: my $result = &Apache::lonxml::endredirection();
2627: my $which = &Apache::lonxml::get_param('which',$parstack,
2628: $safeeval);
1.431 raeburn 2629: if ($which=~/\w/) {
2630: $available_texts{$which} = $result;
2631: }
2632: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2633: $safeeval);
2634: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2635: if ($language=~/\w/) {
2636: $available_texts{$language} = $result;
2637: }
1.427 bisitz 2638: }
2639:
1.397 albertel 2640: }
2641: return '';
2642: }
1.500 foxr 2643: } # end langauge block specific tags.
2644:
1.397 albertel 2645:
1.170 www 2646: sub start_instructorcomment {
1.201 albertel 2647: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2648:
2649: my $result;
2650:
1.339 albertel 2651: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2652: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2653: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2654: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2655: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2656: $parser,$style);
1.170 www 2657: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2658: }
2659: $result='';
2660: } elsif ($target eq 'edit') {
2661: $result .=&Apache::edit::tag_start($target,$token);
2662: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2663: }
2664: return $result;
2665: }
2666:
2667: sub end_instructorcomment {
1.159 albertel 2668: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2669: my $result;
2670: if ($target eq "edit") {
2671: $result.= &Apache::edit::tag_end($target,$token,'');
2672: }
2673: return $result;
1.4 tsai 2674: }
2675:
2676: sub start_while {
1.326 albertel 2677: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2678:
1.160 albertel 2679: my $result;
1.339 albertel 2680: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2681: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2682: my $code = $token->[2]->{'condition'};
1.4 tsai 2683:
1.160 albertel 2684: push( @Apache::structuretags::whileconds, $code);
2685: if (!$Apache::lonxml::default_homework_loaded) {
2686: &Apache::lonxml::default_homework_load($safeeval);
2687: }
2688: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2689: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2690: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2691: push( @Apache::structuretags::whileline, $token->[5]);
2692: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2693: if ( $result ) {
2694: &Apache::lonxml::newparser($parser,\$bodytext);
2695: }
2696: } elsif ($target eq 'edit') {
2697: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2698: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2699: $token,40);
2700: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2701: } elsif ($target eq 'modified') {
2702: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2703: $safeeval,'condition');
2704: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2705: }
1.160 albertel 2706: return $result;
1.4 tsai 2707: }
2708:
2709: sub end_while {
1.159 albertel 2710: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2711: my $result;
2712:
1.339 albertel 2713: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2714: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2715: my $code = pop(@Apache::structuretags::whileconds);
2716: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2717: my $line = pop(@Apache::structuretags::whileline);
2718: my $return = &Apache::run::run($code,$safeeval);
2719: my $starttime=time;
2720: my $error=0;
2721: while ($return) {
2722: if (time-$starttime >
2723: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2724: $return = 0; $error=1; next;
1.161 albertel 2725: }
2726: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2727: if ($target eq 'grade' || $target eq 'answer' ||
2728: $target eq 'analyze') {
2729: # grade/answer/analyze should produce no output but if we
2730: # are redirecting, the redirecter should know what to do
2731: # with the output
2732: if (!$Apache::lonxml::redirection) { undef($result); }
2733: }
1.161 albertel 2734: $return = &Apache::run::run($code,$safeeval);
2735: }
1.516 bisitz 2736: if ($error) {
2737: &Apache::lonxml::error(
2738: '<pre>'
2739: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2740: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2741: .&mt('This occurred while running <while> on line [_1].',
2742: $line)
2743: .'</pre>');
2744: }
1.160 albertel 2745: } elsif ($target eq "edit") {
2746: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2747: }
1.160 albertel 2748: return $result;
1.1 albertel 2749: }
1.6 tsai 2750:
1.160 albertel 2751: # <randomlist show="1">
1.6 tsai 2752: # <tag1>..</tag1>
2753: # <tag2>..</tag2>
2754: # <tag3>..</tag3>
1.160 albertel 2755: # ...
1.6 tsai 2756: # </randomlist>
2757: sub start_randomlist {
1.326 albertel 2758: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2759: my $result;
1.339 albertel 2760: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2761: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2762: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2763: my $b_parser= HTML::LCParser->new(\$body);
2764: $b_parser->xml_mode(1);
2765: $b_parser->marked_sections(1);
1.159 albertel 2766: my $b_tok;
2767: my @randomlist;
2768: my $list_item;
2769: while($b_tok = $b_parser->get_token() ) {
2770: if($b_tok->[0] eq 'S') { # start tag
2771: # get content of the tag until matching end tag
2772: # get all text upto the matching tag
2773: # and push the content into @randomlist
2774: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2775: $b_parser);
2776: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2777: push(@randomlist,$list_item);
2778: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2779: # $list_item</b>";
2780: }
2781: if($b_tok->[0] eq 'T') { # text
2782: # what to do with text in between tags?
2783: # print "<b>TEXT $b_tok->[1]</b><br />";
2784: }
2785: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2786: # print "<b>END-TAG $b_tok->[1]</b><br />";
2787: # }
2788: }
1.303 albertel 2789: if (@randomlist) {
2790: my @idx_arr = (0 .. $#randomlist);
1.555 raeburn 2791: if ($env{'form.code_for_randomlist'}) {
2792: &Apache::structuretags::shuffle(\@idx_arr,$target);
2793: undef($env{'form.code_for_randomlist'});
2794: } else {
2795: &Apache::structuretags::shuffle(\@idx_arr);
2796: }
1.303 albertel 2797: my $bodytext = '';
2798: my $show=$#randomlist;
2799: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2800: $showarg--;
2801: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2802: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2803: my @currlist;
2804: my $part = $Apache::inputtags::part;
2805: if ($part ne '') {
2806: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2807: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2808: if (!(grep(/^\Q$part\E$/,@currlist))) {
2809: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2810: }
2811: } else {
2812: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2813: }
2814: }
2815: }
1.526 raeburn 2816: for my $i (0 .. $show) {
2817: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2818: }
2819: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2820: }
2821: } elsif ($target eq 'edit' ) {
2822: $result .=&Apache::edit::tag_start($target,$token);
2823: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2824: $token,5);
2825: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2826: } elsif ($target eq 'modified' ) {
2827: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2828: $safeeval,'show');
2829: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2830: }
2831: return $result;
1.7 tsai 2832: }
2833:
2834: sub shuffle {
1.555 raeburn 2835: my ($a,$target) = @_;
1.7 tsai 2836: my $i;
1.303 albertel 2837: if (ref($a) eq 'ARRAY' && @$a) {
1.555 raeburn 2838: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2839: for($i=@$a;--$i;) {
2840: my $j=int(&Math::Random::random_uniform() * ($i+1));
2841: next if $i == $j;
2842: @$a[$i,$j] = @$a[$j,$i];
2843: }
1.251 albertel 2844: &Apache::response::poprandomnumber();
1.7 tsai 2845: }
1.6 tsai 2846: }
2847:
2848: sub end_randomlist {
1.159 albertel 2849: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2850: my $result;
2851: if ($target eq 'edit' ) {
2852: $result=&Apache::edit::tag_end($target,$token,
2853: 'End Randomly Parsed Block');
2854: }
2855: return $result;
1.6 tsai 2856: }
2857:
1.283 albertel 2858: sub ordered_show_check {
2859: my $last_part=$Apache::inputtags::partlist[-2];
2860: my $in_order=
2861: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2862: my $in_order_show=1;
2863: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2864: $in_order_show=&Apache::response::check_status($last_part);
2865: }
2866: return $in_order_show;
2867: }
2868:
1.469 www 2869:
2870: sub start_startpartmarker {
2871: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2872: my $result='';
2873: if ($target eq 'edit') {
2874: $result=&Apache::edit::tag_start($target,$token);
2875: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2876: $result.=&Apache::edit::end_table();
2877:
2878: }
2879: return $result;
2880: }
2881:
2882: sub end_startpartmarker {
2883: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2884: my @result;
2885: if ($target eq 'edit') { $result[1]='no'; }
2886: return @result;
2887: }
2888:
2889: sub start_endpartmarker {
2890: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2891: my $result='';
2892: if ($target eq 'edit') {
2893: $result=&Apache::edit::tag_start($target,$token);
2894: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
2895: $result.=&Apache::edit::end_table();
2896:
2897: }
2898: return $result;
2899: }
2900:
2901: sub end_endpartmarker {
2902: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2903: my @result;
2904: if ($target eq 'edit') { $result[1]='no'; }
2905: return @result;
2906: }
2907:
2908:
2909:
2910:
2911:
1.11 albertel 2912: sub start_part {
1.326 albertel 2913: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 2914: if (!$Apache::lonxml::metamode) {
2915: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
2916: # duedates.
2917: }
1.159 albertel 2918: my $result='';
1.386 albertel 2919: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 2920: $Apache::inputtags::part=$id;
1.177 albertel 2921: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 2922: $Apache::inputtags::leniency='';
1.177 albertel 2923: @Apache::inputtags::response=();
1.159 albertel 2924: @Apache::inputtags::previous=();
2925: @Apache::inputtags::previous_version=();
1.405 albertel 2926: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 2927: &Apache::response::reset_params();
2928:
1.159 albertel 2929: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 2930: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
2931: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 2932: if ($Apache::lonhomework::type eq 'randomizetry') {
2933: my $rndseed=&setup_rndseed($safeeval,$target);
2934: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2935: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 2936: }
2937: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2938: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 2939: }
1.283 albertel 2940: my $in_order_show=&ordered_show_check();
1.214 albertel 2941: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 2942: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 2943: &Apache::run::run($expression,$safeeval);
1.159 albertel 2944:
2945: if ($target eq 'meta') {
1.224 www 2946: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
2947: return &Apache::response::mandatory_part_meta.
2948: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 2949: } elsif ($target eq 'web' || $target eq 'grade' ||
2950: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 2951: if ($hidden || !$in_order_show) {
1.326 albertel 2952: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 2953: } else {
2954: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
2955: push (@Apache::inputtags::status,$status);
2956: my $expression='$external::datestatus="'.$status.'";';
2957: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
2958: &Apache::run::run($expression,$safeeval);
1.284 albertel 2959: if ($env{'request.state'} eq 'construct') {
1.241 albertel 2960: &set_problem_state($Apache::inputtags::part);
1.240 albertel 2961: }
1.216 albertel 2962: if (( $status eq 'CLOSED' ) ||
2963: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2964: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 2965: ( $status eq 'BANNED') ||
2966: ( $status eq 'UNAVAILABLE') ||
2967: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 2968: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
2969: $style);
1.159 albertel 2970: if ( $target eq "web" ) {
1.211 albertel 2971: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 2972: } elsif ( $target eq 'tex' ) {
1.284 albertel 2973: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 2974: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 2975: } else {
1.211 albertel 2976: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 2977: }
1.159 albertel 2978: }
2979: } else {
2980: if ($target eq 'tex') {
1.284 albertel 2981: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 2982: if ($$tagstack[-2] eq 'td') {
1.388 foxr 2983: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 2984: } else {
2985: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
2986: }
1.195 sakharuk 2987: }
1.159 albertel 2988: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 2989: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2990: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 2991: my $allow_print_points = 0;
2992: foreach my $partial_key (@allkeys) {
1.230 albertel 2993: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 2994: if ($1 ne '0') {$allow_print_points=1;}
2995: }
2996: }
1.275 albertel 2997: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2998: if (defined($maxtries) && $maxtries < 0) {
2999: $allow_print_points=0;
3000: }
1.302 albertel 3001: if (lc($env{'course.'.$env{'request.course.id'}.
3002: '.disableexampointprint'}) eq 'yes') {
3003: $allow_print_points=0;
3004: }
1.463 foxr 3005: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 3006: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 3007:
3008: }
1.233 www 3009: } elsif ($target eq 'web') {
1.479 raeburn 3010: if ($status eq 'CAN_ANSWER') {
3011: my $problemstatus = &get_problem_status($Apache::inputtags::part);
3012: my $num = scalar(@Apache::inputtags::partlist)-1;
1.567 ! raeburn 3013: if ((($Apache::lonhomework::default_type eq 'randomizetry') ||
! 3014: ($Apache::lonhomework::randomizetrypart)) &&
1.566 raeburn 3015: ($Apache::lonhomework::type ne 'randomizetry')) {
3016: $result .= &randomizetry_part_header($problemstatus,'none',$num);
3017: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
3018: $Apache::lonhomework::randomizetrypart = 1;
3019: my $reqtries = &Apache::lonnet::EXT("resource.$id.randomizeontries");
1.479 raeburn 3020: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
3021: }
3022: }
1.475 raeburn 3023: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 3024: }
3025: }
3026: }
3027: } elsif ($target eq 'edit') {
3028: $result.=&Apache::edit::tag_start($target,$token);
3029: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
3030: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 3031: ' '.
3032: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 3033: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
3034: } elsif ($target eq 'modified') {
3035: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 3036: $safeeval,'id','display');
1.159 albertel 3037: if ($constructtag) {
1.225 albertel 3038: #limiting ids to only letters numbers, and space
1.224 www 3039: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 3040: $result = &Apache::edit::rebuild_tag($token);
3041: }
3042: }
3043: return $result;
1.11 albertel 3044: }
3045:
3046: sub end_part {
1.159 albertel 3047: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3048: &Apache::lonxml::debug("in end_part $target ");
3049: my $status=$Apache::inputtags::status['-1'];
3050: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 3051: my $in_order_show=&ordered_show_check();
1.321 albertel 3052: my $result;
3053: if (!$Apache::lonxml::metamode) {
3054: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 3055: $Apache::lonxml::post_evaluate=0;
1.321 albertel 3056: }
1.312 albertel 3057: if ($target eq 'grade') {
1.249 albertel 3058: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 3059: !$hidden && $in_order_show) {
1.311 foxr 3060: $result.=&Apache::inputtags::grade;
1.249 albertel 3061: } else {
3062: # move any submission data to .hidden
3063: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3064: }
1.283 albertel 3065: } elsif (($target eq 'web' || $target eq 'tex') &&
3066: !$hidden && $in_order_show) {
1.159 albertel 3067: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3068: $target);
1.490 raeburn 3069: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3070: ($env{'form.grade_imsexport'})) {
1.212 albertel 3071: $gradestatus='';
3072: }
1.311 foxr 3073: $result.=$gradestatus;
1.265 sakharuk 3074: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 3075: } elsif ($target eq 'edit') {
1.311 foxr 3076: $result.=&Apache::edit::end_table();
1.322 albertel 3077: } elsif ($target eq 'modified') {
3078: $result .= $token->[2];
1.159 albertel 3079: }
3080: pop @Apache::inputtags::status;
3081: $Apache::inputtags::part='';
1.536 raeburn 3082: $Apache::inputtags::leniency='';
1.295 albertel 3083: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3084: return $result;
1.11 albertel 3085: }
1.1 albertel 3086:
1.25 albertel 3087: sub start_preduedate {
1.326 albertel 3088: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3089: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3090: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3091: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3092: if (!$Apache::lonhomework::scantronmode &&
3093: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3094: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3095: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3096: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3097: }
1.24 albertel 3098: }
1.159 albertel 3099: return '';
1.24 albertel 3100: }
3101:
1.25 albertel 3102: sub end_preduedate {
1.159 albertel 3103: return '';
1.24 albertel 3104: }
3105:
1.369 foxr 3106: # In all the modes where <postanswerdate> text is
3107: # displayable, all we do is eat up the text between the start/stop
3108: # tags if the conditions are not right to display it.
1.25 albertel 3109: sub start_postanswerdate {
1.326 albertel 3110: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3111: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3112: &Apache::lonnet::allowed('pav',
3113: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3114: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3115: $target eq 'tex' ) {
1.300 albertel 3116: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3117: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3118: (($target eq 'tex') && !$pav)) {
1.326 albertel 3119: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3120: }
3121: }
3122: return '';
1.24 albertel 3123: }
3124:
1.25 albertel 3125: sub end_postanswerdate {
1.159 albertel 3126: return '';
1.24 albertel 3127: }
3128:
1.25 albertel 3129: sub start_notsolved {
1.326 albertel 3130: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3131: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3132: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3133: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3134: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3135: if ($gradestatus =~ /^correct/ &&
3136: &Apache::response::show_answer()) {
1.159 albertel 3137: &Apache::lonxml::debug("skipping");
1.326 albertel 3138: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3139: }
1.24 albertel 3140: }
1.159 albertel 3141: return '';
1.24 albertel 3142: }
3143:
1.25 albertel 3144: sub end_notsolved {
1.159 albertel 3145: return '';
1.24 albertel 3146: }
3147:
3148: sub start_solved {
1.326 albertel 3149: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3150: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3151: $target eq 'tex') {
3152: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3153: if ($gradestatus !~ /^correct/ ||
3154: !&Apache::response::show_answer()) {
1.326 albertel 3155: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3156: }
1.24 albertel 3157: }
1.159 albertel 3158: return '';
1.24 albertel 3159: }
3160:
3161: sub end_solved {
1.248 albertel 3162: return '';
3163: }
3164:
3165: sub start_problemtype {
1.326 albertel 3166: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3167: my $result;
1.339 albertel 3168: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3169: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3170: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3171: if (!defined($mode)) { $mode='show'; }
3172: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3173: my $found=0;
3174: foreach my $type (split(',',$for)) {
3175: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3176: }
3177: if ($mode eq 'show' && !$found) {
1.326 albertel 3178: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3179: }
3180: if ($mode eq 'hide' && $found) {
1.326 albertel 3181: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3182: }
3183: } elsif ($target eq 'edit') {
3184: $result .=&Apache::edit::tag_start($target,$token);
3185: $result.=&Apache::edit::select_arg('Mode:','mode',
3186: [['show','Show'],
3187: ['hide','Hide']]
3188: ,$token);
3189: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 3190: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 3191: ['survey','Survey'],
1.465 raeburn 3192: ['surveycred','Survey (with credit)'],
3193: ['anonsurvey','Anonymous Survey'],
3194: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3195: ['problem','Homework Problem'],
1.479 raeburn 3196: ['practice','Practice Problem'],
3197: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3198: ,$token);
3199: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3200: } elsif ($target eq 'modified') {
3201: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3202: $safeeval,'mode','for');
3203: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3204: }
3205: return $result;
3206: }
3207:
3208: sub end_problemtype {
1.159 albertel 3209: return '';
1.24 albertel 3210: }
1.34 albertel 3211:
3212: sub start_startouttext {
1.159 albertel 3213: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3214: my @result=(''.'');
3215: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3216:
3217: my $nesting =
3218: &Apache::lonxml::set_state('outtext',
3219: &Apache::lonxml::get_state('outtext')+1);
3220: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3221: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3222: }
1.159 albertel 3223: return (@result);
1.34 albertel 3224: }
1.159 albertel 3225:
1.34 albertel 3226: sub end_startouttext {
1.326 albertel 3227: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3228: my $result='';
3229: my $text='';
3230: if ($target eq 'edit') {
1.424 foxr 3231: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3232: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3233: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3234: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3235: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3236: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3237: .'</span></td>'
1.550 raeburn 3238: .'<td><span id="math_'.$areaid.'">';
3239: if ($env{'environment.nocodemirror'}) {
3240: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3241: } else {
3242: $result.=' ';
3243: }
3244: $result.='</span></td>'
1.474 raeburn 3245: .'<td>'
3246: .&Apache::edit::insertlist($target,$token)
3247: .'</td>'
1.515 golterma 3248: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3249: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3250: &Apache::edit::end_row().
1.362 albertel 3251: &Apache::edit::start_spanning_row()."\n".
1.255 www 3252: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3253: }
3254: if ($target eq 'modified') {
1.219 albertel 3255: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3256: }
3257: if ($target eq 'tex') {
3258: $result .= '\noindent ';
3259: }
3260: return $result;
1.34 albertel 3261: }
1.159 albertel 3262:
1.34 albertel 3263: sub start_endouttext {
1.159 albertel 3264: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3265: my $result='';
3266: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3267: if ($target eq "modified") {
3268: $result='<endouttext />'.
1.377 albertel 3269: &Apache::edit::handle_insertafter('startouttext');
3270: }
1.404 albertel 3271:
3272: my $nesting =
3273: &Apache::lonxml::set_state('outtext',
3274: &Apache::lonxml::get_state('outtext')-1);
3275: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3276: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3277: &Apache::lonxml::set_state('outtext', 0);
3278: }
1.159 albertel 3279: return $result;
1.34 albertel 3280: }
1.159 albertel 3281:
1.34 albertel 3282: sub end_endouttext {
1.159 albertel 3283: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3284: my @result=('','');
3285: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3286: return (@result);
1.34 albertel 3287: }
1.159 albertel 3288:
1.45 albertel 3289: sub delete_startouttext {
1.326 albertel 3290: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3291: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3292: my $text=$$parser['-1']->get_text("/endouttext");
3293: my $ntoken=$$parser['-1']->get_token();
3294: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3295: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3296: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3297: # they did the last time round
3298: &Apache::lonxml::increasedepth($ntoken);
3299: &Apache::lonxml::decreasedepth($ntoken);
3300: return 1;
1.193 www 3301: }
3302:
3303: sub start_simpleeditbutton {
3304: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3305: my $result='';
1.284 albertel 3306: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3307: ($target eq 'web') &&
1.330 albertel 3308: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3309: my $url=$env{'request.noversionuri'};
1.193 www 3310: $url=~s/\?.*$//;
1.367 albertel 3311: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3312: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3313: # $result='<p class="LC_warning">'
3314: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3315: # .&Apache::loncommon::help_open_topic('Caching')
3316: # .'</p>';
1.486 www 3317: $result.=&Apache::loncommon::head_subbox(
3318: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3319: .&Apache::lonhtmlcommon::add_item_funclist(
3320: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3321: .&mt('Edit').'</a>')
1.486 www 3322: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3323:
1.193 www 3324: }
3325: return $result;
3326: }
3327:
3328: sub end_simpleeditbutton {
3329: return '';
1.45 albertel 3330: }
1.34 albertel 3331:
1.428 raeburn 3332: sub practice_problem_header {
1.556 raeburn 3333: return '<h3 class="LC_info">'.&mt('Practice Problem').'</h3>'.
1.428 raeburn 3334: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3335: '</span>';
3336: }
3337:
1.479 raeburn 3338: sub randomizetry_problem_header {
1.566 raeburn 3339: my ($problemstatus,$reqtries,$symb) = @_;
1.479 raeburn 3340: my ($header,$text);
3341: if ($reqtries > 1) {
3342: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3343: if (($problemstatus eq 'no') ||
3344: ($problemstatus eq 'no_feedback_ever')) {
3345: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3346: } else {
3347: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3348: }
3349: } else {
3350: $header = &mt('New Problem Variation Each Try');
3351: if (($problemstatus eq 'no') ||
3352: ($problemstatus eq 'no_feedback_ever')) {
3353: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3354:
3355: } else {
3356: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3357: }
3358: }
1.566 raeburn 3359: if (($env{'request.state'} eq "construct") || ($symb eq '')) {
3360: return '<div class="LC_info" id="LC_randomizetry_header" style="display:none">'.
3361: '<h3>'.$header.'</h3><span class="LC_info">'.$text.'</span><hr /></div>';
3362: } else {
3363: return '<h3 class="LC_info">'.$header.'</h3>'.
3364: '<span class="LC_info">'.$text.'</span><hr />';
3365: }
1.479 raeburn 3366: }
3367:
3368: sub randomizetry_part_header {
3369: my ($problemstatus,$reqtries,$num) = @_;
3370: my ($header,$text);
3371: if ($reqtries eq 'none') {
3372: $header = &mt('No Question Variation');
3373: $text = &mt('For this question there will no new variation after a try.');
3374: } elsif ($reqtries > 1) {
3375: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3376: if (($problemstatus eq 'no') ||
3377: ($problemstatus eq 'no_feedback_ever')) {
3378: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3379: } else {
3380: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3381: }
3382: } else {
3383: $header = &mt('New Question Variation For Each Try');
3384: if (($problemstatus eq 'no') ||
3385: ($problemstatus eq 'no_feedback_ever')) {
3386: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3387: } else {
3388: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3389: }
3390: }
3391: my $output;
3392: if ($num > 1) {
3393: $output .= '<hr />';
3394: }
1.556 raeburn 3395: $output .= '<h4 class="LC_info">'.$header.'</h4>'.
1.479 raeburn 3396: '<span class="LC_info">'.$text.'</span><br /><br />';
3397: return $output;
3398: }
3399:
1.1 albertel 3400: 1;
3401: __END__
1.435 jms 3402:
3403: =pod
3404:
3405: =back
3406:
3407: =cut
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