Annotation of loncom/homework/structuretags.pm, revision 1.560
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.560 ! raeburn 4: # $Id: structuretags.pm,v 1.559 2018/03/30 23:50:13 raeburn Exp $
1.74 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.254 www 28: ###
1.54 www 29:
1.435 jms 30: =pod
31:
32: =head1 NAME
33:
34: Apache::structuretags
35:
36: =head1 SYNOPSIS
37:
38:
39: This is part of the LearningOnline Network with CAPA project
40: described at http://www.lon-capa.org.
41:
42:
43: =head1 NOTABLE SUBROUTINES
44:
45: =over
46:
47: =item
48:
49: =back
50:
51: =cut
52:
1.133 sakharuk 53:
1.1 albertel 54: package Apache::structuretags;
55:
56: use strict;
57: use Apache::lonnet;
1.101 sakharuk 58: use Apache::File();
1.147 www 59: use Apache::lonmenu;
1.210 albertel 60: use Apache::lonlocal;
1.231 sakharuk 61: use Apache::lonxml;
1.434 foxr 62: use Apache::londefdef;
1.338 albertel 63: use Apache::lonenc();
1.500 foxr 64: use Apache::loncommon();
1.267 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"}) ;
1.531 raeburn 369: if (( \$(this.form).id == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
1.522 raeburn 370: if (buttonId != "all_submit") {
1.531 raeburn 371: \$( ".LC_status_"+buttonId ).hide();
1.522 raeburn 372: if (( "#"+buttonId+"_pressed" ).length) {
1.531 raeburn 373: \$( "#"+buttonId+"_pressed" ).val( "1" );
1.522 raeburn 374: }
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"});
387: if (( \$(this.form).id == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
388: if (buttonId != "all_submit") {
389: if (( "#"+buttonId+"_pressed" ).length) {
390: \$( "#"+buttonId+"_pressed" ).val( "" );
391: }
392: }
393: }
394: \$( ".LC_hwk_submit" ).prop( "disabled", false);
395: \$( ".LC_textline" ).prop( "readonly", false);
396: submithandled = 0;
397: keypresshandled = 0;
398: }, timeout);
399: }
1.520 raeburn 400: return true;
401: }
402: }
403: });
1.531 raeburn 404: }
1.520 raeburn 405: });
406:
1.483 raeburn 407: // ]]>
1.400 albertel 408: </script>
409: JS
410: }
411:
1.416 raeburn 412: sub setmode_javascript {
413: return <<"ENDSCRIPT";
414: <script type="text/javascript">
1.485 raeburn 415: // <![CDATA[
1.416 raeburn 416: function setmode(form,probmode) {
1.554 damieng 417: var initial = form.problemmode.value;
1.416 raeburn 418: form.problemmode.value = probmode;
419: form.submit();
1.554 damieng 420: form.problemmode.value = initial;
1.416 raeburn 421: }
1.485 raeburn 422: // ]]>
1.416 raeburn 423: </script>
424: ENDSCRIPT
425: }
426:
1.48 albertel 427: sub page_start {
1.345 albertel 428: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
429: $extra_head)=@_;
1.159 albertel 430: my %found;
1.207 albertel 431: foreach my $taginside (@$tagstack) {
1.159 albertel 432: foreach my $taglookedfor ('html','body','form') {
433: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
434: }
435: }
436:
1.343 albertel 437: if ($target eq 'tex') {
438: return
439: &Apache::londefdef::start_html($target,$token,$tagstack,
440: $parstack,$parser,$safeeval);
441: }
442:
1.474 raeburn 443: $extra_head .= &homework_js().
444: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
445: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1.550 raeburn 446: my %textarea_args;
447: if (($env{'request.state'} ne 'construct') ||
448: ($env{'environment.nocodemirror'})) {
449: %textarea_args = (
1.474 raeburn 450: dragmath => 'math',
451: );
1.550 raeburn 452: }
1.474 raeburn 453: $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
1.425 raeburn 454: }
1.478 raeburn 455: my $is_task = ($env{'request.uri'} =~ /\.task$/);
1.528 raeburn 456: my ($needs_upload,$partlist);
1.495 raeburn 457: my ($symb)= &Apache::lonnet::whichuser();
458: my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
1.478 raeburn 459: if ($is_task) {
1.495 raeburn 460: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
1.493 raeburn 461: } else {
462: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.uploadedfiletypes") ne '') {
1.495 raeburn 463: unless ($env{'request.state'} eq 'construct') {
464: my $navmap = Apache::lonnavmaps::navmap->new();
465: if (ref($navmap)) {
466: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 467: my $is_page;
468: if (ref($mapres)) {
469: $is_page = $mapres->is_page();
470: }
471: unless ($is_page) {
1.495 raeburn 472: $needs_upload = 1;
473: }
1.528 raeburn 474: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
475: my $res = $navmap->getBySymb($symb);
476: if (ref($res)) {
477: $partlist = $res->parts();
478: }
479: }
1.495 raeburn 480: }
481: }
1.493 raeburn 482: } else {
483: unless ($env{'request.state'} eq 'construct') {
484: my $navmap = Apache::lonnavmaps::navmap->new();
485: if (ref($navmap)) {
1.495 raeburn 486: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 487: my $is_page;
488: if (ref($mapres)) {
489: $is_page = $mapres->is_page();
490: }
1.528 raeburn 491: if ($is_page) {
492: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
493: my $res = $navmap->getBySymb($symb);
494: if (ref($res)) {
495: $partlist = $res->parts();
496: }
497: }
498: } else {
1.495 raeburn 499: my $res = $navmap->getBySymb($symb);
500: if (ref($res)) {
1.528 raeburn 501: $partlist = $res->parts();
1.495 raeburn 502: if (ref($partlist) eq 'ARRAY') {
503: foreach my $part (@{$partlist}) {
504: my @types = $res->responseType($part);
505: my @ids = $res->responseIds($part);
506: for (my $i=0; $i < scalar(@ids); $i++) {
507: if ($types[$i] eq 'essay') {
508: my $partid = $part.'_'.$ids[$i];
509: if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
510: $needs_upload = 1;
511: last;
512: }
1.493 raeburn 513: }
514: }
515: }
1.495 raeburn 516: }
517: }
1.493 raeburn 518: }
519: }
520: }
521: }
1.495 raeburn 522: if ($needs_upload) {
1.538 musolffc 523: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js()
524: .'<script type="text/javascript"
525: src="/res/adm/includes/file_upload.js"></script>';
1.495 raeburn 526: }
1.478 raeburn 527: }
1.425 raeburn 528:
1.344 albertel 529: my %body_args;
530: if (defined($found{'html'})) {
531: $body_args{'skip_phases'}{'head'}=1;
532: } else {
1.343 albertel 533:
1.345 albertel 534: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 535:
1.379 albertel 536: $extra_head .= &Apache::londefdef::generate_css_links();
537:
1.384 albertel 538: if ($env{'request.state'} eq 'construct') {
1.343 albertel 539: $extra_head.=&Apache::edit::js_change_detection().
540: "<script type=\"text/javascript\">\n".
541: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
542: &Apache::loncommon::browser_and_searcher_javascript().
543: "\n</script>\n";
1.525 raeburn 544: if ($target eq 'edit') {
545: $extra_head .= &Apache::edit::js_update_linknum();
546: }
1.343 albertel 547: }
1.159 albertel 548: }
1.343 albertel 549:
1.446 bisitz 550: my $pageheader = '';
1.344 albertel 551: if (defined($found{'body'})) {
552: $body_args{'skip_phases'}{'body'}=1;
553: } elsif (!defined($found{'body'})
554: && $env{'request.state'} eq 'construct') {
1.343 albertel 555: if ($target eq 'web' || $target eq 'edit') {
1.542 raeburn 556: unless ($env{'form.inhibitmenu'} eq 'yes') {
557: # Breadcrumbs for Authoring Space
558: &Apache::lonhtmlcommon::clear_breadcrumbs();
559: &Apache::lonhtmlcommon::add_breadcrumb({
560: 'text' => 'Authoring Space',
561: 'href' => &Apache::loncommon::authorspace($env{'request.uri'}),
562: });
563: # breadcrumbs (and tools) will be created
564: # in start_page->bodytag->innerregister
1.460 droeschl 565:
1.450 bisitz 566: # FIXME Where are we?
1.542 raeburn 567: # &Apache::lonhtmlcommon::add_breadcrumb({
568: # 'text' => 'Problem Editing', # 'Problem Testing'
569: # 'href' => '',
570: # });
571: $pageheader = &Apache::loncommon::head_subbox(
572: &Apache::loncommon::CSTR_pageheader());
573: }
574: }
1.272 albertel 575: } elsif (!defined($found{'body'})) {
1.343 albertel 576: my %add_entries;
1.159 albertel 577: my $background=&Apache::lonxml::get_param('background',$parstack,
578: $safeeval);
1.343 albertel 579: if ($background ne '' ) {
580: $add_entries{'background'} = $background;
581: }
1.344 albertel 582:
1.290 albertel 583: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
584: $safeeval);
1.446 bisitz 585: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
1.344 albertel 586:
1.446 bisitz 587: $body_args{'bgcolor'} = $bgcolor;
588: # $body_args{'no_title'} = 1;
589: $body_args{'force_register'} = 1;
590: $body_args{'add_entries'} = \%add_entries;
1.466 droeschl 591: if ( $env{'request.state'} eq 'construct') {
1.446 bisitz 592: $body_args{'only_body'} = 1;
1.518 raeburn 593: } elsif ($target eq 'web') {
594: $body_args{'print_suppress'} = 1;
1.446 bisitz 595: }
1.344 albertel 596: }
1.365 albertel 597: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 598: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
599: \%body_args);
1.446 bisitz 600: $page_start .= $pageheader;
1.462 raeburn 601: if (!defined($found{'body'})
602: && $env{'request.state'} ne 'construct'
603: && ($target eq 'web' || $target eq 'webgrade')) {
604:
605: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
606: if ($symb eq '' && !$publicuser) {
607: $page_start .= '<p class="LC_info">'
608: .&mt('Browsing resource, all submissions are temporary.')
609: .'</p>';
1.457 bisitz 610: }
1.344 albertel 611: }
612:
1.409 albertel 613: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 614: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 615: }
616: my $form_tag_start;
617: if (!defined($found{'form'})) {
1.337 albertel 618: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.465 raeburn 619: my $uri = &Apache::loncommon::inhibit_menu_check(
1.455 droeschl 620: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.464 raeburn 621: $uri = &HTML::Entities::encode($uri,'<>&"');
1.327 albertel 622: $form_tag_start.=$uri.'" ';
623: if ($target eq 'edit') {
624: $form_tag_start.=&Apache::edit::form_change_detection();
625: }
1.493 raeburn 626: my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
627: my ($path,$multiresp) =
628: &Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom);
1.495 raeburn 629: if (($is_task) || ($needs_upload)) {
630: $form_tag_start .= ' onsubmit="return file_submission_check(this,'."'$path','$multiresp'".');"';
1.478 raeburn 631: }
1.368 albertel 632: $form_tag_start.='>'."\n";
1.355 albertel 633:
634: if ($symb =~ /\S/) {
635: $symb=
636: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
637: $form_tag_start.=
1.368 albertel 638: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 639: }
1.159 albertel 640: }
1.528 raeburn 641: return ($page_start,$form_tag_start,$partlist);
1.105 albertel 642: }
643:
1.141 matthew 644: #use Time::HiRes();
1.105 albertel 645: sub get_resource_name {
1.159 albertel 646: my ($parstack,$safeeval)=@_;
1.388 foxr 647: my $name;
1.204 albertel 648: if (defined($Apache::lonhomework::name)) {
1.388 foxr 649: $name = $Apache::lonhomework::name;
650: } else {
651: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 652: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 653: if ($name eq '') {
654: $name=&Apache::lonnet::EXT('resource.title');
655: if ($name eq 'con_lost') { $name = ''; }
656: }
657: if ($name!~/\S+/) {
658: $name=$env{'request.uri'};
659: $name=~s-.*/([^/]+)$-$1-;
660: }
661: # The name has had html tags escaped:
662:
663: $name=~s/</</gs;
664: $name=~s/>/>/gs;
665:
666: $Apache::lonhomework::name=$name;
1.204 albertel 667: }
1.159 albertel 668: return $name;
1.105 albertel 669: }
670:
671: sub setup_rndseed {
1.528 raeburn 672: my ($safeeval,$target,$probpartlist)=@_;
1.367 albertel 673: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 674: my ($questiontype,$set_safespace,$rndseed);
675: if ($target eq 'analyze') {
676: $questiontype = $env{'form.grade_questiontype'};
677: }
678: unless (defined($questiontype)) {
679: $questiontype = $Apache::lonhomework::type;
680: }
1.555 raeburn 681: if (($env{'request.state'} eq "construct")
682: || ($symb eq '')
683: || ($Apache::lonhomework::type eq 'practice')
684: || ($Apache::lonhomework::history{'resource.CODE'})
685: || (($env{'form.code_for_randomlist'}) && ($target eq 'analyze'))) {
1.316 www 686: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 687: ['rndseed']);
1.284 albertel 688: $rndseed=$env{'form.rndseed'};
1.159 albertel 689: if (!$rndseed) {
1.162 albertel 690: $rndseed=$Apache::lonhomework::history{'rndseed'};
691: if (!$rndseed) {
692: $rndseed=time;
693: }
1.555 raeburn 694: unless ($env{'form.code_for_randomlist'}) {
695: $env{'form.rndseed'}=$rndseed;
696: }
1.162 albertel 697: }
1.479 raeburn 698: if (($env{'request.state'} eq "construct") &&
699: ($Apache::lonhomework::type eq 'randomizetry')) {
700: my $tries = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.tries"};
701: if ($tries) {
702: $rndseed += $tries;
703: }
1.480 raeburn 704: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.479 raeburn 705: }
1.551 damieng 706: if ( ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 707: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 708: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 709: srand(time);
710: $rndseed=int(rand(2100000000));
1.284 albertel 711: $env{'form.rndseed'}=$rndseed;
712: delete($env{'form.resetdata'});
713: delete($env{'form.newrandomization'});
1.159 albertel 714: }
1.488 www 715: $rndseed=~s/\,/\:/g;
716: $rndseed=~s/[^\w\d\:\-]//g;
1.489 www 717: if (defined($rndseed)) {
718: my ($c1,$c2)=split(/\:/,$rndseed);
719: unless ($c2) { $c2=0; }
720: unless (($c1==int($c1)) && ($c2==int($c2))) {
721: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
722: }
1.187 albertel 723: }
1.555 raeburn 724: if (($env{'form.code_for_randomlist'}) && ($target eq 'analyze')) {
725: $env{'form.CODE'} = $env{'form.code_for_randomlist'};
726: $rndseed=&Apache::lonnet::rndseed();
727: undef($env{'form.CODE'});
728: } elsif ($Apache::lonhomework::history{'resource.CODE'}) {
1.247 albertel 729: $rndseed=&Apache::lonnet::rndseed();
730: }
1.479 raeburn 731: $set_safespace = 1;
732: } elsif ($questiontype eq 'randomizetry') {
733: if ($target eq 'analyze') {
734: if (defined($env{'form.grade_rndseed'})) {
735: $rndseed = $env{'form.grade_rndseed'};
736: }
737: }
738: unless (($target eq 'analyze') && (defined($rndseed))) {
739: $rndseed=&Apache::lonnet::rndseed();
1.528 raeburn 740: my $partfortries = $Apache::inputtags::part;
741: if (ref($probpartlist) eq 'ARRAY') {
742: if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $Apache::inputtags::part)) {
743: $partfortries = $probpartlist->[0];
744: }
745: }
746: my $curr_try = $Apache::lonhomework::history{"resource.$partfortries.tries"};
1.479 raeburn 747: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
748: $curr_try ++;
749: }
750: if ($rndseed =~/^(\d+)[,:](\d+)$/) {
751: $rndseed = $1;
752: }
753: if ($curr_try) {
1.528 raeburn 754: my $reqtries = &Apache::lonnet::EXT("resource.$partfortries.randomizeontries");
1.479 raeburn 755: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
756: my $inc = int(($curr_try-1)/$reqtries);
757: $rndseed += $inc;
758: } else {
759: $rndseed += $curr_try;
760: }
761: }
762: }
763: $set_safespace = 1;
1.528 raeburn 764: if ($target eq 'grade') {
765: $Apache::lonhomework::rawrndseed = $rndseed;
766: }
1.479 raeburn 767: }
768: if ($set_safespace) {
769: if ($safeeval) {
770: &Apache::lonxml::debug("Setting rndseed to $rndseed");
771: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
772: }
773: }
774: unless (($env{'request.state'} eq "construct") || ($symb eq '')) {
775: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.159 albertel 776: }
777: return $rndseed;
1.105 albertel 778: }
779:
1.268 albertel 780: sub remember_problem_state {
781: return '
1.284 albertel 782: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
783: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
784: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 785: }
786:
1.487 www 787: sub problem_edit_action_button {
788: my ($name,$action,$accesskey,$text,$flag)=@_;
789: my $actionscript="setmode(this.form,'$action')";
790: return "\n<input type='button' name='$name' accesskey='$accesskey' value='".&mt($text)."'".
791: ($flag?&Apache::edit::submit_ask_anyway($actionscript):&Apache::edit::submit_dont_ask($actionscript))." />";
792: }
793:
1.423 www 794: sub problem_edit_buttons {
1.487 www 795: my ($mode)=@_;
1.535 droeschl 796: # Buttons that save
797: my $result = '<div style="float:right">';
798: if ($mode eq 'editxml') {
799: $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
800: $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
801: } else {
802: $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
803: $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
804: }
805: $result.="\n</div>\n";
1.487 www 806: # Buttons that do not save
1.535 droeschl 807: $result .= '<div>'.
1.487 www 808: &problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
809: if ($mode eq 'editxml') {
810: $result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
811: $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
1.550 raeburn 812: if ($env{'environment.nocodemirror'}) {
813: $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
814: }
1.487 www 815: } else {
816: $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
817: $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
818: }
819: $result.="\n</div>";
820: return $result;
1.423 www 821: }
822:
823: sub problem_edit_header {
1.527 golterma 824: my ($mode)=@_;
825: my $return = '<input type="hidden" name="submitted" value="edit" />'.
1.487 www 826: &remember_problem_state('edit').'
1.527 golterma 827: <div class="LC_edit_problem_header">
828: <div class="LC_edit_problem_header_title">
829: '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
830: </div><div class="LC_edit_actionbar" id="actionbar">'.
831: '<input type="hidden" name="problemmode" value="saveedit" />'.
832: &problem_edit_buttons();
833:
1.535 droeschl 834: $return .= '</div></div>' . &Apache::lonxml::message_location();
1.527 golterma 835: $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />
836: <script type="text/javascript" src="/adm/codemirror/codemirror-compressed-colorful.js"></script>';
837:
838: $return .= '<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
839: <script type="text/javascript">
840: // unless internet explorer
841: if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode || document.compatMode))){
842: $(document).ready(
843: function() {
844: $(\'.LC_edit_actionbar\').scrollToFixed(
845: {
846: fixed: function(){
1.535 droeschl 847: //$(this).find(\'.LC_edit_actionbar\').css(\'height\', \'31px\');
848: $(this).find(\'.LC_edit_actionbar\');
1.527 golterma 849: }
850: }
851: );
852: }
853: );
854: }
855: </script>
856: <table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
857: return $return;
1.105 albertel 858: }
859:
860: sub problem_edit_footer {
1.527 golterma 861: my $resource = $env{'request.ambiguous'};
1.412 albertel 862: return '</td></tr></table><br />
863: <div class="LC_edit_problem_footer">
1.453 bisitz 864: <hr />'.
1.423 www 865: &problem_edit_buttons().'
1.459 bisitz 866: <hr style="clear:both;" />
1.527 golterma 867: <script type="text/javascript">
868: restoreState("'.$resource.'");
869: restoreScrollPosition("'.$resource.'");
870: </script>
1.412 albertel 871: </div>
872: '.
1.342 albertel 873: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 874: }
875:
1.235 albertel 876: sub option {
877: my ($value,$name) = @_;
878: my $result ="<option value='".$value."' ";
1.284 albertel 879: if ($env{'form.'.$name} eq $value) {
1.235 albertel 880: $result.=" selected='on' ";
881: }
882: $result.='>';
883: return $result;
884: }
885:
1.105 albertel 886: sub problem_web_to_edit_header {
1.159 albertel 887: my ($rndseed)=@_;
1.406 albertel 888: my $result .= '<div class="LC_edit_problem_header">';
889:
890: if (!$Apache::lonhomework::parsing_a_task) {
891: $result .=
892: '<div class="LC_edit_problem_header_title">'.
893: &mt('Problem Testing').
894: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
895: '</div>';
896: } else {
897: $result .=
898: '<div class="LC_edit_problem_header_title">'.
899: &mt('Task Testing').
900: '</div>';
901: }
902:
1.315 albertel 903: my $show_all_foils_text =
904: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 905: &mt('Show All Instances')
906: : &mt('Show All Foils');
1.315 albertel 907:
1.452 bisitz 908: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
909: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 910: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 911: $show_all.= ' /> '.$show_all_foils_text
912: .'</label></span>';
1.406 albertel 913:
914:
1.384 albertel 915:
1.406 albertel 916: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 917: if (!$Apache::lonhomework::parsing_a_task) {
918: $result.="
1.406 albertel 919: <div class='LC_edit_problem_header_row1'>
920: <span class=\"LC_nobreak\">
1.405 albertel 921: ".&mt("Problem Status:")."
1.235 albertel 922: <select name='problemstate'>
1.270 albertel 923: <option value=''></option>
1.235 albertel 924: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
925: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
926: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
927: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
928: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
929: </select>
1.406 albertel 930: </span>
931: <span class=\"LC_nobreak\">
1.405 albertel 932: ".&mt("Problem Type:")."
1.235 albertel 933: <select name='problemtype'>
1.270 albertel 934: <option value=''></option>
1.509 bisitz 935: ".&option('exam' ,'problemtype').&mt("Bubblesheet Exam Problem")."</option>
1.428 raeburn 936: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 937: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 938: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
939: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
940: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 941: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.479 raeburn 942: ".&option('randomizetry' ,'problemtype').&mt("New Randomization Each Try")."</option>
1.235 albertel 943: </select>
1.406 albertel 944: </span>
945: $show_all
946: </div>
947: <div class='LC_edit_problem_header_row2'>
948: <span class=\"LC_nobreak\">
1.405 albertel 949: ".&mt("Feedback Mode:")."
1.235 albertel 950: <select name='problemstatus'>
951: <option value=''></option>
1.242 albertel 952: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.517 bisitz 953: ".&option('no', 'problemstatus').&mt("Don't Show Incorrect/Correct Feedback")."</option>
1.405 albertel 954: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 955: </select>
1.406 albertel 956: </span>
957: ";
958:
1.376 albertel 959: } elsif ($Apache::lonhomework::parsing_a_task) {
960: $result.="
1.406 albertel 961: <div class='LC_edit_problem_header_row1'>
962: <span class=\"LC_nobreak\">
1.405 albertel 963: ".&mt("Problem Status:")."
1.376 albertel 964: <select name='problemstate'>
965: <option value=''></option>
966: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
967: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
968: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
969: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
970: </select>
1.406 albertel 971: </span>
972: $show_all
973: ";
974: }
975: $result.='
976: <span class="LC_nobreak">
977: '.&mt('Apply style file: ').'
978: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
979: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
980: </span>
1.422 www 981: </div>
982: <div class="LC_edit_problem_header_row1">'.
983: &Apache::lonxml::renderingoptions().'
1.406 albertel 984: </div>
985: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
986: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
1.551 damieng 987: <button type="submit" name="resetdata" accesskey="r" value="reset_submissions">
988: '.&mt('Reset Submissions').'</button>
1.406 albertel 989: </div>
1.453 bisitz 990: <hr />
1.406 albertel 991: <div class="LC_edit_problem_header_randomize_row">
992: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
993: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 994: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 995: $rndseed.'"
996: onchange="javascript:document.lonhomework.changerandseed.click()" />';
997:
998: if (!$Apache::lonhomework::parsing_a_task) {
999: my $numtoanalyze=$env{'form.numtoanalyze'};
1000: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 1001: $result .= '<span class="LC_nobreak">'.
1002: &mt('[_1] for [_2] versions.',
1.416 raeburn 1003: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 1004: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
1005: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 1006: $numtoanalyze.'" size="5" />').
1007: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
1008: '</span>';
1009:
1.313 albertel 1010: }
1.406 albertel 1011:
1012: $result.='
1013: </div>
1.453 bisitz 1014: <hr />
1.447 bisitz 1015: <div>';
1.416 raeburn 1016: $result.='<input type="hidden" name="problemmode" value="view" />';
1017: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
1018: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
1019: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
1020: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.541 damieng 1021: if ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9) {
1022: my $uri = $env{'request.uri'};
1.543 damieng 1023: my $daxeurl = '/daxepage'.$uri;
1.541 damieng 1024: $result .= '<input type="button" value="'.&mt('Edit with Daxe').'" '.
1025: 'onclick="window.open(\''.$daxeurl.'\',\'_blank\');" />';
1026: }
1.408 albertel 1027: $result.='
1028: </div>
1.453 bisitz 1029: <hr />
1.409 albertel 1030: '.&Apache::lonxml::message_location().'
1.406 albertel 1031: </div>';
1.159 albertel 1032: return $result;
1.48 albertel 1033: }
1034:
1.65 albertel 1035: sub initialize_storage {
1.357 albertel 1036: my ($given_symb) = @_;
1.353 albertel 1037: undef(%Apache::lonhomework::results);
1038: undef(%Apache::lonhomework::history);
1.357 albertel 1039: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1040: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 1041:
1042: # anonymous users (CODEd exams) have no data
1043: if ($name eq 'anonymous'
1044: && !defined($domain)) {
1045: return;
1046: }
1047:
1.333 albertel 1048: if ($env{'request.state'} eq 'construct'
1049: || $symb eq ''
1050: || $Apache::lonhomework::type eq 'practice') {
1051:
1052: my $namespace = $symb || $env{'request.uri'};
1.551 damieng 1053: if ($env{'form.resetdata'} eq 'reset_submissions' ||
1054: ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 1055: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 1056: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1057: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
1058: &Apache::lonxml::debug("Attempt reset");
1059: }
1.159 albertel 1060: %Apache::lonhomework::history=
1.333 albertel 1061: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.526 raeburn 1062: my ($temp)=keys(%Apache::lonhomework::history) ;
1.159 albertel 1063: &Apache::lonxml::debug("Return message of $temp");
1064: } else {
1065: %Apache::lonhomework::history=
1066: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1067: }
1.353 albertel 1068:
1.159 albertel 1069: #ignore error conditions
1.526 raeburn 1070: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1071: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 1072: }
1073:
1.435 jms 1074: =pod
1075:
1076: =item finalize_storage()
1077:
1.524 raeburn 1078: Stores away the result hash to a student's environment;
1.523 raeburn 1079: checks form.grade_ for specific values, otherwise stores
1080: to the running user's environment.
1.524 raeburn 1081:
1082: &check_correctness_changes() is called in two circumstances
1083: in which the results hash is to be stored permanently, for
1084: grading triggered by a student's submission, where feedback on
1085: correctness is to be provided to the student.
1086:
1087: 1. Immediately prior to storing the results hash
1088:
1089: To handle the case where a student's submission (and award) were
1090: stored after history was retrieved in &initialize_storage(), e.g.,
1091: if a student submitted answers in quick succession (e.g., from
1092: multiple tabs). &Apache::inputtags::hidealldata() is called for
1093: any parts with out-of-order storage (i.e., correct then incorrect,
1094: where awarded >= 1 when correct).
1095:
1096: 2. Immediately after storing the results hash
1097:
1098: To handle the case where lond on the student's homeserver returns
1099: delay:N -- where N is the number of transactions between the last
1100: retrieved in &initialize_storage() and the last stored immediately
1101: before permanent storage of the current transaction via
1102: lond::store_handler(). &Apache::grades::makehidden() is called
1103: for any parts with out-of-order storage (i.e., correct then incorrect,
1104: where awarded >= 1 when correct).
1105:
1106: Will call &store_aggregates() to increment totals for attempts,
1107: students, and corrects, if running user has student role.
1108:
1.435 jms 1109: =cut
1110:
1111:
1.65 albertel 1112: sub finalize_storage {
1.357 albertel 1113: my ($given_symb) = @_;
1.159 albertel 1114: my $result;
1.289 albertel 1115: if (%Apache::lonhomework::results) {
1.323 albertel 1116: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
1117: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 1118: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1119: &Apache::lonnet::whichuser($given_symb);
1.560 ! raeburn 1120: my ($passback,$ltiscope,$ltimap,$ltisymb,$ltiref,$total,$possible);
1.333 albertel 1121: if ($env{'request.state'} eq 'construct'
1122: || $symb eq ''
1123: || $Apache::lonhomework::type eq 'practice') {
1124: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 1125: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 1126: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 1127: $namespace,'',$domain,$name);
1.159 albertel 1128: &Apache::lonxml::debug('Construct Store return message:'.$result);
1129: } else {
1.560 ! raeburn 1130: my ($laststore,$checkedparts,@parts,%postcorrect,%record);
1.524 raeburn 1131: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1132: (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
1133: (!defined($env{'form.grade_courseid'}))) {
1.560 ! raeburn 1134: if ($env{'request.lti.login'}) {
! 1135: my ($map)=&Apache::lonnet::decode_symb($symb);
! 1136: $map = &Apache::lonnet::clutter($map);
! 1137: ($passback,$ltiscope,$ltimap,$ltisymb,$ltiref) =
! 1138: &needs_lti_passback($courseid,$symb,$map);
! 1139: }
1.524 raeburn 1140: if ($Apache::lonhomework::history{'version'}) {
1141: $laststore = $Apache::lonhomework::history{'version'}.'='.
1142: $Apache::lonhomework::history{'timestamp'};
1143: } else {
1144: $laststore = '0=0';
1145: }
1.560 ! raeburn 1146: %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1.524 raeburn 1147: if ($record{'version'}) {
1148: my ($newversion,$oldversion,$oldtimestamp);
1149: if ($Apache::lonhomework::history{'version'}) {
1150: $oldversion = $Apache::lonhomework::history{'version'};
1151: $oldtimestamp = $Apache::lonhomework::history{'timestamp'};
1152: } else {
1153: $oldversion = 0;
1154: $oldtimestamp = 0;
1155: }
1156: if ($record{'version'} > $oldversion) {
1157: if ($record{'timestamp'} >= $oldtimestamp) {
1158: $laststore = $record{'version'}.'='.$record{'timestamp'};
1159: $newversion = $record{'version'} + 1;
1160: $checkedparts = 1;
1161: foreach my $key (keys(%Apache::lonhomework::results)) {
1162: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1163: my $part = $1;
1164: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1165: push(@parts,$part);
1166: }
1167: }
1168: }
1169: if (@parts) {
1170: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1171: \%record,\@parts,$newversion,
1172: $oldversion);
1173: if (@parts_to_hide) {
1174: foreach my $part (@parts_to_hide) {
1175: $postcorrect{$part} = 1;
1176: &Apache::inputtags::hidealldata($part);
1177: }
1178: }
1179: }
1180: }
1181: }
1182: }
1183: }
1.159 albertel 1184: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
1.524 raeburn 1185: $symb,$courseid,$domain,$name,$laststore);
1186: if ($result =~ /^delay\:(\d+)$/) {
1187: my $numtrans = $1;
1188: my ($oldversion) = split(/=/,$laststore);
1189: if ($numtrans) {
1190: my $newversion = $oldversion + 1 + $numtrans;
1191: my @possparts;
1192: if ($checkedparts) {
1193: foreach my $part (@parts) {
1194: unless ($postcorrect{$part}) {
1195: push(@possparts,$part);
1196: }
1197: }
1198: } else {
1199: foreach my $key (keys(%Apache::lonhomework::results)) {
1200: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1201: my $part = $1;
1202: unless ($postcorrect{$part}) {
1203: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1204: push(@possparts,$part);
1205: }
1206: }
1207: }
1208: }
1209: }
1210: if (@possparts) {
1211: my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1212: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1213: \%newrecord,\@possparts,$newversion,
1214: $oldversion);
1215: if (@parts_to_hide) {
1216: my $partslist = join(',',@parts_to_hide);
1217: &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1);
1218: }
1219: }
1220: }
1221: }
1.560 ! raeburn 1222: if (($passback) && ($ltiscope eq 'resource') && ($ltisymb eq $symb)) {
! 1223: $total = 0;
! 1224: $possible = 0;
! 1225: my $navmap = Apache::lonnavmaps::navmap->new();
! 1226: if (ref($navmap)) {
! 1227: my $res = $navmap->getBySymb($symb);
! 1228: if (ref($res)) {
! 1229: my $partlist = $res->parts();
! 1230: if (ref($partlist) eq 'ARRAY') {
! 1231: foreach my $part (@{$partlist}) {
! 1232: unless (exists($Apache::lonhomework::results{"resource.$part.solved"})) {
! 1233: next if ($Apache::lonhomework::record{"resource.$part.solved"} =~/^excused/);
! 1234: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
! 1235: $possible += $weight;
! 1236: if (($record{'version'}) && (exists($record{"resource.$part.awarded"}))) {
! 1237: my $awarded = $record{"resource.$part.awarded"};
! 1238: if ($awarded) {
! 1239: $total += $weight * $awarded;
! 1240: }
! 1241: }
! 1242: }
! 1243: }
! 1244: }
! 1245: }
! 1246: }
! 1247: foreach my $key (keys(%Apache::lonhomework::results)) {
! 1248: if ($key =~ /^resource\.([^\.]+)\.awarded$/) {
! 1249: my $part = $1;
! 1250: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
! 1251: $possible += $weight;
! 1252: my $awarded = $Apache::lonhomework::results{$key};
! 1253: if ($awarded) {
! 1254: $total += $weight * $awarded;
! 1255: }
! 1256: }
! 1257: }
! 1258: }
1.159 albertel 1259: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1260: &store_aggregates($symb,$courseid);
1.560 ! raeburn 1261: if ($passback) {
! 1262: my $scoreformat = 'decimal';
! 1263: if (ref($ltiref) eq 'HASH') {
! 1264: if ($ltiref->{'scoreformat'} =~ /^(decimal|ratio|percentage)$/) {
! 1265: $scoreformat = $1;
! 1266: }
! 1267: }
! 1268: my $ltigrade = {
! 1269: 'lti' => $ltiref,
! 1270: 'cid' => $courseid,
! 1271: 'uname' => $env{'user.name'},
! 1272: 'udom' => $env{'user.domain'},
! 1273: 'pbid' => $env{'request.lti.passbackid'},
! 1274: 'pburl' => $env{'request.lti.passbackurl'},
! 1275: 'scope' => $ltiscope,
! 1276: 'ltimap' => $ltimap,
! 1277: 'ltisymb' => $ltisymb,
! 1278: 'format' => $scoreformat,
! 1279: };
! 1280: if ($ltiscope eq 'resource') {
! 1281: $ltigrade->{'total'} = $total;
! 1282: $ltigrade->{'possible'} = $possible;
! 1283: }
! 1284: push(@Apache::lonhomework::ltipassback,$ltigrade);
! 1285: }
1.159 albertel 1286: }
1.323 albertel 1287: } else {
1288: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1289: }
1.159 albertel 1290: return $result;
1.65 albertel 1291: }
1292:
1.560 ! raeburn 1293: sub needs_lti_passback {
! 1294: my ($courseid,$symb,$map) = @_;
! 1295: if (($env{'request.lti.passbackid'}) && ($env{'request.lti.passbackurl'})) {
! 1296: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
! 1297: my ($cdom,$cnum) = ($1,$2);
! 1298: my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider');
! 1299: if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') {
! 1300: if ($lti{$env{'request.lti.login'}}{'passback'}) {
! 1301: my ($ltiscope,$ltiuri,$ltisymb) =
! 1302: &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
! 1303: $cdom,$cnum,1);
! 1304: my ($passback,$ltimap);
! 1305: if ($ltiscope eq 'resource') {
! 1306: if ($ltisymb eq $symb) {
! 1307: $passback = 1;
! 1308: }
! 1309: } elsif ($ltiscope eq 'map') {
! 1310: if ($ltiuri eq $map) {
! 1311: $passback = 1;
! 1312: $ltimap = $map;
! 1313: }
! 1314: } elsif ($ltiscope eq 'course') {
! 1315: if (($env{'request.lti.uri'} eq "/$cdom/$cnum") || ($env{'request.lti.uri'} eq '')) {
! 1316: $passback = 1;
! 1317: }
! 1318: }
! 1319: return ($passback,$ltiscope,$ltimap,$ltisymb,$lti{$env{'request.lti.login'}});
! 1320: }
! 1321: }
! 1322: }
! 1323: }
! 1324: return;
! 1325: }
! 1326:
1.435 jms 1327: =pod
1328:
1.524 raeburn 1329: =item check_correctness_changes()
1330:
1331: For all parts for which current results contain a solved status
1332: of "incorrect_attempted", check if there was a transaction in which
1333: solved was set to "correct_by_student" in the time since the last
1334: transaction (retrieved when &initialize_storage() was called i.e.,
1335: when &start_problem() was called), unless:
1336: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1337: (b) problemstatus is set to no or no_feedback_ever
1338: If such a transaction exists, and did not occur after "reset status"
1339: by a user with grading privileges, then the current transaction is an
1340: example of an out-of-order transaction (i.e., incorrect occurring after
1341: correct). Accordingly, the current transaction should be hidden.
1342:
1343: =cut
1344:
1345:
1346: sub check_correctness_changes {
1347: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1348: my @parts_to_hide;
1349: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1350: return @parts_to_hide;
1351: }
1352: if (@{$parts}) {
1353: my $usec;
1354: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1355: ($env{'request.course.id'} eq $courseid)) {
1356: $usec = $env{'request.course.sec'};
1357: } else {
1358: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1359: }
1360: foreach my $id (@{$parts}) {
1361: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1362: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1363: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1364: my $reset;
1365: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1366: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1367: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1368: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1369: $reset = 1;
1370: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1371: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1372: unless ($reset) {
1373: push(@parts_to_hide,$id);
1374: last;
1375: }
1376: }
1377: }
1378: }
1379: }
1380: return @parts_to_hide;
1381: }
1382:
1383: =pod
1384:
1.435 jms 1385: item store_aggregates()
1386:
1387: Sends hash of values to be incremented in nohist_resourcetracker.db
1388: for the course. Increments total number of attempts, unique students
1389: and corrects for each part for an instance of a problem, as appropriate.
1390:
1391: =cut
1392:
1.285 raeburn 1393: sub store_aggregates {
1394: my ($symb,$courseid) = @_;
1.479 raeburn 1395: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1396: my @parts;
1.288 albertel 1397: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1398: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1399: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1400: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1401: push(@parts, $1);
1.285 raeburn 1402: }
1403: }
1.286 albertel 1404: foreach my $part (@parts) {
1.470 raeburn 1405: if ($env{'request.role'} =~/^st/) {
1406: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1407: eq 'APPROX_ANS' ||
1408: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1409: eq 'EXACT_ANS') {
1410: $aggregate{$symb."\0".$part."\0correct"} = 1;
1411: }
1412: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1413: $aggregate{$symb."\0".$part."\0users"} = 1;
1414: } else {
1415: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1416: if ($last_reset) {
1417: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1418: $aggregate{$symb."\0".$part."\0users"} = 1;
1419: }
1420: }
1421: }
1422: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1423: }
1.470 raeburn 1424: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1425: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1426: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1427: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1428: $randtrycounter{$symb."\0".$part} = 1;
1429: } else {
1430: $anoncounter{$symb."\0".$part} = 1;
1431: }
1.545 raeburn 1432: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.'::'};
1.537 raeburn 1433: if ($needsrelease) {
1.470 raeburn 1434: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1435: if ($curr_required eq '') {
1.471 raeburn 1436: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1437: } else {
1438: my ($currmajor,$currminor) = split(/\./,$curr_required);
1439: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1440: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1441: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1442: }
1.292 raeburn 1443: }
1444: }
1.285 raeburn 1445: }
1446: }
1.526 raeburn 1447: if (keys(%aggregate) > 0) {
1.289 albertel 1448: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1449: $cdomain,$cname);
1450: }
1.472 raeburn 1451: if (keys(%anoncounter) > 0) {
1.481 raeburn 1452: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1453: $cdomain,$cname);
1.472 raeburn 1454: }
1.479 raeburn 1455: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1456: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1457: $cdomain,$cname);
1.479 raeburn 1458: }
1.292 raeburn 1459: }
1.289 albertel 1460:
1.557 raeburn 1461: sub access_status_msg {
1462: my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_;
1463: my $msg;
1464: if ($target eq 'web') {
1465: if ($status eq 'UNAVAILABLE') {
1466: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1467: } elsif ($status eq 'NOT_IN_A_SLOT') {
1468: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1469: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1470: ($status eq 'NOTRESERVABLE')) {
1471: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1472: } elsif ($status ne 'NOT_YET_VIEWED') {
1473: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1474: }
1475: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1476: $msg.=&mt('The problem ').$accessmsg;
1477: } elsif ($status eq 'UNCHECKEDOUT') {
1478: $msg.=&checkout_msg();
1479: } elsif ($status eq 'NOT_YET_VIEWED') {
1480: $msg.=&firstaccess_msg($accessmsg,$symb);
1481: } elsif ($status eq 'NOT_IN_A_SLOT') {
1482: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1483: } elsif ($status eq 'RESERVABLE') {
1484: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1485: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1486: '<br />'.
1487: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1488: } elsif ($status eq 'RESERVABLE_LATER') {
1489: $msg.=&mt('Window to make a reservation will open [_1].',
1490: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1491: } elsif ($status eq 'NOTRESERVABLE') {
1492: $msg.=&mt('Not available to make a reservation.');
1493: } elsif ($status eq 'NEED_DIFFERENT_IP') {
1494: if ($ipused) {
1495: $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");
1496: } else {
1497: $msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
1498: &mt('Somebody else has already used this particular computer for that purpose.');
1499: }
1500: }
1501: $msg.='<br />';
1502: } elsif ($target eq 'tex') {
1503: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1504: : '\begin{minipage}{\textwidth}';
1505:
1506: $msg ='\noindent \vskip 1 mm '.
1507: $startminipage.'\vskip 0 mm';
1508: if ($status eq 'UNAVAILABLE') {
1509: $msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1510: } else {
1511: $msg.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1512: }
1513: }
1514: return $msg;
1515: }
1516:
1517: sub checkin_prompt {
1518: my ($target,$slot_name,$slot,$type) = @_;
1519: my $result;
1520: if ($target eq 'web') {
1521: $result = &Apache::bridgetask::proctor_validation_screen($slot);
1522: } elsif ($target eq 'grade') {
1523: if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) {
1524: $result = &mt('An error occurred during check-in');
1525: }
1526: }
1527: return $result;
1528: }
1529:
1530: sub selfcheckin_resource {
1531: my ($resource_due,$slot_name,$slot,$symb) = @_;
1532: if ($slot_name ne '') {
1533: my $checked_in =
1534: $Apache::lonhomework::history{'resource.0.checkedin'};
1535: if ($checked_in eq '') {
1536: # unproctored slot access, self checkin
1537: my $needsiptied;
1538: if (ref($slot)) {
1539: $needsiptied = $slot->{'iptied'};
1540: }
1541: my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1542: $slot_name,$needsiptied);
1543: if ($check =~ /^error: /) {
1544: &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name");
1545: } else {
1546: $checked_in = $Apache::lonhomework::results{"resource.0.checkedin"};
1547: }
1548: }
1549: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1550: if ($slot->{'starttime'} < time()) {
1551: if (!$resource_due) {
1552: $resource_due = $slot->{'endtime'};
1553: } elsif ($slot->{'endtime'} < $resource_due) {
1554: $resource_due = $slot->{'endtime'};
1555: }
1556: }
1557: }
1558: }
1559: return $resource_due;
1560: }
1561:
1.65 albertel 1562: sub checkout_msg {
1.211 albertel 1563: my %lt=&Apache::lonlocal::texthash(
1564: 'resource'=>'The resource needs to be checked out',
1565: '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.',
1566: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 1567: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
1568: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 1569: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1570: return (<<ENDCHECKOUT);
1.211 albertel 1571: <h2>$lt{'resource'}</h2>
1572: <p>$lt{'id_expln'}</p>
1.449 bisitz 1573: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1574: <form name="checkout" method="post" action="$uri">
1.91 albertel 1575: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1576: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1577: </form>
1578: ENDCHECKOUT
1579: }
1580:
1.252 albertel 1581: sub firstaccess_msg {
1.253 albertel 1582: my ($time,$symb)=@_;
1.414 albertel 1583: my $result;
1584: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1585: if ($interval[1] eq 'map') {
1586: my ($map)=&Apache::lonnet::decode_symb($symb);
1587: my $foldertitle=&Apache::lonnet::gettitle($map);
1588:
1589: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1590: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1591: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1592: ,$foldertitle,$time)."</p>";
1.414 albertel 1593: } elsif ($interval[1] eq 'course') {
1594: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1595: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1596: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1597: ,$course,$time)."</p>";
1.414 albertel 1598: } else {
1599: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1600: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1601: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1602: ,$title,$time)."</p>";
1.414 albertel 1603: }
1.352 albertel 1604: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1605: my $buttontext = &mt('Show Resource');
1606: my $timertext = &mt('Start Timer?');
1.414 albertel 1607: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1608: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1609: <input type="hidden" name="markaccess" value="yes" />
1.514 bisitz 1610: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1611: </form>
1612: ENDCHECKOUT
1.414 albertel 1613: return $result;
1.252 albertel 1614: }
1615:
1.204 albertel 1616: sub init_problem_globals {
1617: my ($type)=@_;
1618: #initialize globals
1.308 foxr 1619: # For problems, we start out in part 0 (outside a <part> tag).
1620: # and part 0 is used to describe the main body of the <problem>
1621: #
1.204 albertel 1622: if ($type eq 'problem') {
1623: $Apache::inputtags::part='0';
1624: @Apache::inputtags::partlist=('0');
1.405 albertel 1625: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1626: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1627:
1.266 albertel 1628: } elsif ($type eq 'library') {
1.204 albertel 1629: $Apache::inputtags::part='';
1630: @Apache::inputtags::partlist=();
1.405 albertel 1631: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1632: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1633:
1.304 albertel 1634: } elsif ($type eq 'Task') {
1635: $Apache::inputtags::part='0';
1636: @Apache::inputtags::partlist=('0');
1.405 albertel 1637: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1638: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1639: }
1.477 www 1640: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1641: @Apache::inputtags::responselist = ();
1642: @Apache::inputtags::importlist = ();
1643: @Apache::inputtags::previous=();
1644: @Apache::inputtags::previous_version=();
1.536 raeburn 1645: $Apache::inputtags::leniency='';
1.204 albertel 1646: $Apache::structuretags::printanswer='No';
1647: @Apache::structuretags::whileconds=();
1648: @Apache::structuretags::whilebody=();
1649: @Apache::structuretags::whileline=();
1650: $Apache::lonhomework::scantronmode=0;
1651: undef($Apache::lonhomework::name);
1.358 albertel 1652: undef($Apache::lonhomework::default_type);
1653: undef($Apache::lonhomework::type);
1.204 albertel 1654: }
1655:
1656: sub reset_problem_globals {
1657: my ($type)=@_;
1658: undef(%Apache::lonhomework::history);
1659: undef(%Apache::lonhomework::results);
1660: undef($Apache::inputtags::part);
1.536 raeburn 1661: undef($Apache::inputtags::leniency);
1.498 raeburn 1662: if ($type eq 'Task') {
1663: undef($Apache::inputtags::slot_name);
1.528 raeburn 1664: } elsif ($type eq 'problem') {
1665: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1666: }
1.208 albertel 1667: #don't undef this, lonhomework.pm takes care of this, we use this to
1668: #detect if we try to do 2 problems in one file
1669: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1670: undef($Apache::lonhomework::name);
1.358 albertel 1671: undef($Apache::lonhomework::default_type);
1672: undef($Apache::lonhomework::type);
1673: undef($Apache::lonhomework::scantronmode);
1674: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1675: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1676: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1677: }
1678:
1.241 albertel 1679: sub set_problem_state {
1.240 albertel 1680: my ($part)=@_;
1.284 albertel 1681: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1682: $Apache::lonhomework::history{"resource.$part.solved"}=
1683: 'correct_by_student';
1684: }
1685: }
1686:
1.241 albertel 1687: sub get_problem_status {
1688: my ($part)=@_;
1.267 albertel 1689: my $problem_status;
1.284 albertel 1690: if ($env{'request.state'} eq 'construct' &&
1691: defined($env{'form.problemstatus'})) {
1692: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1693: } else {
1694: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1695: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1696: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1697: }
1698: return $problem_status;
1699: }
1700:
1.9 albertel 1701: sub start_problem {
1.326 albertel 1702: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1703:
1.311 foxr 1704: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1705: if (!$Apache::lonxml::metamode) {
1706: &Apache::lonxml::startredirection();
1707: }
1.311 foxr 1708:
1.308 foxr 1709: # Problems don't nest and we don't allow more than one <problem> in
1710: # a .problem file.
1711: #
1.184 albertel 1712: if ( $Apache::inputtags::part ne '' ||
1713: $Apache::lonhomework::parsing_a_problem) {
1714: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1715: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1716: return '';
1717: }
1.184 albertel 1718:
1719: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1720: &init_problem_globals('problem');
1.166 albertel 1721:
1.284 albertel 1722: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1723: $Apache::lonhomework::scantronmode=1;
1724: }
1.161 albertel 1725:
1.159 albertel 1726: if ($target ne 'analyze') {
1.415 raeburn 1727: my $type = &Apache::lonnet::EXT('resource.0.type');
1728: $Apache::lonhomework::type=$type;
1.284 albertel 1729: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1730: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1731: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1732: }
1.332 albertel 1733: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1734: }
1.164 albertel 1735: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1736: my $uri=$env{'request.uri'};
1.159 albertel 1737: if ($uri=~/\.(\w+)$/) {
1738: $Apache::lonhomework::type=$1;
1739: &Apache::lonxml::debug("Using type of $1");
1740: } else {
1741: $Apache::lonhomework::type='problem';
1742: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1743: }
1.87 albertel 1744: }
1.301 albertel 1745: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1746:
1.363 albertel 1747: &initialize_storage();
1.389 albertel 1748: if ($target ne 'analyze'
1749: && $env{'request.state'} eq 'construct') {
1750: &set_problem_state('0');
1751: }
1752:
1.366 albertel 1753: if ($target eq 'web') {
1754: &Apache::lonxml::debug(" grading history ");
1755: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1756: }
1.363 albertel 1757:
1.159 albertel 1758: #added vars to the scripting enviroment
1.213 albertel 1759: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1760: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1761: &Apache::run::run($expression,$safeeval);
1.159 albertel 1762: my $status;
1763: my $accessmsg;
1.508 raeburn 1764: my $resource_due;
1.540 raeburn 1765: my $ipused;
1.159 albertel 1766:
1.343 albertel 1767: my $name= &get_resource_name($parstack,$safeeval);
1.528 raeburn 1768: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist);
1.506 raeburn 1769:
1770: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1771: $target eq 'tex') {
1772: if ($env{'form.markaccess'}) {
1773: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.539 raeburn 1774: my ($timelimit) = split(/_/,$interval[0]);
1775: &Apache::lonnet::set_first_access($interval[1],$timelimit);
1.506 raeburn 1776: }
1777: }
1778:
1.354 albertel 1779: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1780: || $target eq 'edit') {
1.528 raeburn 1781: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1782: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1783: $name);
1.552 raeburn 1784: } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
1785: ($target eq 'answer')) {
1.528 raeburn 1786: my ($symb)= &Apache::lonnet::whichuser();
1787: my $navmap = Apache::lonnavmaps::navmap->new();
1788: if (ref($navmap)) {
1789: my $res = $navmap->getBySymb($symb);
1790: if (ref($res)) {
1791: $probpartlist = $res->parts();
1792: }
1793: }
1.350 albertel 1794: }
1795:
1.552 raeburn 1796: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1797: $target eq 'tex') {
1798:
1799: my ($symb)= &Apache::lonnet::whichuser();
1800: ($status,$accessmsg,$slot_name,$slot,$ipused) =
1801: &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
1802: push (@Apache::inputtags::status,$status);
1803: }
1804:
1.284 albertel 1805: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1806:
1.479 raeburn 1807: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1808: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1809: $target eq 'tex') {
1.479 raeburn 1810:
1.159 albertel 1811: #handle rand seed in construction space
1.528 raeburn 1812: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1813: if (($target eq 'grade') && &Apache::response::submitted()) {
1814: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1815: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1816: } else {
1817: my @parts;
1818: if (ref($probpartlist) eq 'ARRAY') {
1819: @parts = @{$probpartlist};
1820: }
1821: unless (@parts) {
1.529 raeburn 1822: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1823: }
1824: }
1825: }
1.367 albertel 1826: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 1827:
1.333 albertel 1828: if ($env{'request.state'} ne "construct" &&
1829: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 1830: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.462 raeburn 1831: $rndseed.'" />'.
1.551 damieng 1832: '<button type="submit" name="resetdata"
1833: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1834: if (exists($env{'form.username'})) {
1835: $form_tag_start.=
1.164 albertel 1836: '<input type="hidden" name="username"
1.284 albertel 1837: value="'.$env{'form.username'}.'" />';
1.334 albertel 1838: }
1.462 raeburn 1839: if ($env{'request.role.adv'}) {
1840: $form_tag_start.= ' <label class="LC_nobreak">'
1841: .'<input type="checkbox" name="showallfoils"';
1842: if (defined($env{'form.showallfoils'})) {
1843: $form_tag_start.=' checked="checked"';
1844: }
1845: $form_tag_start.= ' /> '
1846: .&mt('Show All Foils')
1847: .'</label>';
1848: }
1.417 www 1849: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1850: $form_tag_start.=&practice_problem_header();
1.417 www 1851: }
1.462 raeburn 1852: $form_tag_start.='<hr />';
1.479 raeburn 1853: } elsif (($env{'request.state'} ne "construct") &&
1854: ($Apache::lonhomework::type eq 'randomizetry') &&
1.546 raeburn 1855: ($status eq 'CAN_ANSWER') &&
1.549 raeburn 1856: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
1857: (!$env{'request.role.adv'})) {
1858: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.479 raeburn 1859: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1860: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1861: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries);
1862: }
1.324 albertel 1863:
1.159 albertel 1864: my $expression='$external::datestatus="'.$status.'";';
1865: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
1866: &Apache::run::run($expression,$safeeval);
1867: &Apache::lonxml::debug("Got $status");
1.324 albertel 1868:
1.159 albertel 1869: if (( $status eq 'CLOSED' ) ||
1870: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1871: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 1872: ( $status eq 'BANNED') ||
1.216 albertel 1873: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 1874: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 1875: ( $status eq 'NOTRESERVABLE') ||
1876: ( $status eq 'RESERVABLE') ||
1877: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 1878: ( $status eq 'INVALID_ACCESS') ||
1879: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 1880: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1881: $style);
1.557 raeburn 1882: $result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);
1.324 albertel 1883: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1884: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1885: $style);
1.557 raeburn 1886: $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 1887: } elsif ($target eq 'web') {
1.508 raeburn 1888: if ($status eq 'CAN_ANSWER') {
1889: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
1890: if ($slot_name ne '') {
1.557 raeburn 1891: $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
1892: $env{'request.symb'});
1.508 raeburn 1893: }
1894: if ($resource_due) {
1895: my $time_left = $resource_due - time();
1896: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
1897: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
1898: }
1899: }
1900: }
1.368 albertel 1901: $result.="\n $form_tag_start \t".
1.227 albertel 1902: '<input type="hidden" name="submitted" value="yes" />';
1903: # create a page header and exit
1.284 albertel 1904: if ($env{'request.state'} eq "construct") {
1.544 damieng 1905: if ($env{'form.inhibitmenu'} eq 'yes') {
1906: # error messages can be useful in any case
1907: $result.= &Apache::lonxml::message_location();
1908: } else {
1.542 raeburn 1909: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1910: }
1.428 raeburn 1911: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 1912: $result.= '<button type="submit" name="resetdata" '.
1913: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
1914: &practice_problem_header().'<hr />';
1.428 raeburn 1915: }
1.227 albertel 1916: }
1917: # if we are viewing someone else preserve that info
1.284 albertel 1918: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1919: foreach my $field ('symb','courseid','domain','username') {
1920: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1921: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1922: }
1.479 raeburn 1923: foreach my $field ('trial','questiontype') {
1924: if ($env{"form.grade_$field"} ne '') {
1925: $result .= '<input type="hidden" name="grade_'.$field.
1926: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1927: }
1928: }
1.159 albertel 1929: }
1.490 raeburn 1930: if ($env{'form.grade_imsexport'}) {
1931: $result = '';
1932: }
1.159 albertel 1933: } elsif ($target eq 'tex') {
1.319 foxr 1934: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 1935: $result .= &select_metadata_hyphenation();
1.99 sakharuk 1936: }
1.159 albertel 1937: } elsif ($target eq 'edit') {
1.343 albertel 1938: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1939: $Apache::lonxml::warnings_error_header=
1940: &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 1941: my $temp=&Apache::edit::insertlist($target,$token);
1942: $result.=$temp;
1943: } elsif ($target eq 'modified') {
1944: $result=$token->[4];
1945: } else {
1946: # page_start returned a starting result, delete it if we don't need it
1947: $result = '';
1.99 sakharuk 1948: }
1.159 albertel 1949: return $result;
1.9 albertel 1950: }
1951:
1952: sub end_problem {
1.159 albertel 1953: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 1954: my $result;
1.310 foxr 1955:
1.321 albertel 1956: if (!$Apache::lonxml::metamode) {
1957: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 1958: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1959: }
1.319 foxr 1960:
1961: if ($target eq 'tex') {
1.321 albertel 1962: # Figure out the front matter and replace the
1963: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1964: # this in end_problem because whether or not we display due
1965: # dates depends on whether due dates have already been
1966: # displayed in the problem parts.
1967:
1.319 foxr 1968: my $frontmatter = '';
1969: my $startminipage = '';
1970: if (not $env{'form.problem_split'}=~/yes/) {
1971: $startminipage = '\begin{minipage}{\textwidth}';
1972: }
1973: my $id = $Apache::inputtags::part;
1974: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1975: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 1976: my @packages = split(/,/,$packages);
1.319 foxr 1977: my $allow_print_points = 0;
1978: foreach my $partial_key (@packages) {
1979: if ($partial_key=~m/^part_0$/) {
1980: $allow_print_points=1;
1981: }
1982: }
1983: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1984: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1985: if (lc($env{'course.'.$env{'request.course.id'}.
1986: '.disableexampointprint'}) eq 'yes') {
1987: $allow_print_points=0;
1988: }
1989: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 1990: 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 1991: &clear_required_languages();
1.319 foxr 1992: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1993: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1994:
1995: # Figure out what the due date is and if we need to print
1996: # it in the problem header. We have been logging the
1997: # last due date written to file.
1998:
1999: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2000: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2001: my $duedate_text = &mt('Due date: [_1]'
2002: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2003: my $temp_file;
2004: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2005:
2006: # Figure out what the last printed due date is or set it
2007: # to the epoch if no duedates have been printed.
2008:
2009: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2010: if (-e $filename) {
2011: $temp_file = Apache::File->new($filename);
2012: my @due_file = <$temp_file>;
2013: $due_file_content = $due_file[$#due_file];
2014: chomp $due_file_content;
2015: }
2016:
2017: # We display the due date iff it is not the same as the last
2018: # duedate in problem header ($due_file_content), and
2019: # none of our parts displayed a duedate.
2020: #
2021: my $parts_with_displayduedate;
2022: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2023: $parts_with_displayduedate =
2024: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2025: } else {
2026: $parts_with_displayduedate = 0;
2027: }
2028: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2029: $temp_file = Apache::File->new('>'.$filename);
2030: print $temp_file "$duetime\n";
2031: if (not $env{'request.symb'} =~ m/\.page_/) {
2032: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2033: $frontmatter .= $begin_doc.
1.448 bisitz 2034: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2035: } else {
2036: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2037: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2038: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2039: }
1.319 foxr 2040: }
2041: } else {
1.448 bisitz 2042: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2043: }
2044: } else {
2045: if (not $env{'request.symb'} =~ m/\.page_/) {
2046: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2047: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2048: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2049: }
1.319 foxr 2050: } else {
1.381 albertel 2051: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2052: }
2053: }
2054: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
2055: }
2056:
1.159 albertel 2057: my $status=$Apache::inputtags::status['-1'];
2058: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2059: $target eq 'tex') {
1.249 albertel 2060: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2061: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2062: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2063: &Apache::inputtags::grade;
1.324 albertel 2064: } elsif ($status eq 'NEEDS_CHECKIN') {
2065: # no need to grade, and don't want to hide data
1.249 albertel 2066: } else {
2067: # move any submission data to .hidden
2068: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2069: }
1.159 albertel 2070: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2071: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2072: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2073: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2074: # if part is zero, no <part>s existed, so we need show the current
2075: # grading status
2076: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2077: $result.= $gradestatus;
2078: }
2079: if (
1.284 albertel 2080: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2081: ($target eq 'answer') || ($target eq 'tex')
2082: ) {
1.490 raeburn 2083: if (($target ne 'tex') &&
2084: ($env{'form.answer_output_mode'} ne 'tex') &&
2085: (!$env{'form.grade_imsexport'})) {
1.254 www 2086: $result.="</form>";
1.159 albertel 2087: }
2088: if ($target eq 'web') {
1.507 raeburn 2089: #
2090: # Closing </body></html> not added by end_page().
2091: # Added separately at end of this routine, after added
2092: # <script></script> so document will be valid xhtml.
2093: #
1.546 raeburn 2094: my $showdisc = 1;
1.547 raeburn 2095: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
2096: (!$env{'request.role.adv'})) {
2097: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 2098: $showdisc = 0;
1.547 raeburn 2099: my ($symb)= &Apache::lonnet::whichuser();
2100: if ($symb) {
2101: my $navmap = Apache::lonnavmaps::navmap->new();
2102: if (ref($navmap)) {
2103: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
2104: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 2105: # and there are no tries left
1.547 raeburn 2106: unless ($hastries) {
2107: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
2108: my ($score,$incomplete) =
2109: &Apache::lonplacementtest::check_completion(undef,undef,1);
2110: if (!$incomplete) {
2111: $result .= &Apache::lonplacementtest::showresult(1,1);
2112: } elsif ($incomplete < 100) {
2113: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
2114: }
2115: } else {
2116: # For Placement Tests score is displayed if test has just been completed
2117: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
2118: if (!$incomplete) {
2119: $result.= &Apache::lonplacementtest::showresult(1,1);
2120: }
2121: }
2122: }
2123: }
2124: }
1.546 raeburn 2125: }
2126: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 2127: 'notbody' => 1});
1.159 albertel 2128: } elsif ($target eq 'tex') {
1.178 sakharuk 2129: my $endminipage = '';
1.284 albertel 2130: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2131: $endminipage = '\end{minipage}';
2132: }
1.284 albertel 2133: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2134: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2135: } else {
1.262 sakharuk 2136: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2137: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2138: $result .= $endminipage.'\end{document} ';
2139: } else {
1.382 albertel 2140: $result .= $endminipage;
1.262 sakharuk 2141: }
1.159 albertel 2142: }
2143: }
2144: }
1.476 www 2145: if ($target eq 'web') {
2146: $result.=&Apache::functionplotresponse::init_script();
2147: }
1.159 albertel 2148: if ($target eq 'grade') {
2149: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2150: &finalize_storage();
2151: }
1.284 albertel 2152: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2153: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2154: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2155: # normally we get it from above, but in CSTR
1.172 albertel 2156: # we always show answer mode too.
1.159 albertel 2157: }
2158: } elsif ($target eq 'meta') {
2159: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2160: @Apache::inputtags::response=();
1.159 albertel 2161: $result=&Apache::response::mandatory_part_meta;
2162: }
1.559 raeburn 2163: $result.=&Apache::response::meta_part_order('problem');
1.258 albertel 2164: $result.=&Apache::response::meta_response_order();
1.159 albertel 2165: } elsif ($target eq 'edit') {
2166: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2167: $result .= &problem_edit_footer();
1.320 albertel 2168: } elsif ($target eq 'modified') {
2169: $result .= $token->[2];
1.159 albertel 2170: }
1.155 albertel 2171:
1.284 albertel 2172: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2173: &Apache::inputtags::check_for_duplicate_ids();
2174: }
1.204 albertel 2175:
2176: &reset_problem_globals('problem');
1.159 albertel 2177:
1.502 foxr 2178: #
2179: # This shouild be just above the return so that the
2180: # time put in the javascript is as late as possible in the
2181: # computation:
2182: #
2183: if ($target eq 'web') {
2184: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2185: #
2186: # Closing tags delayed so any <script></script> tags
2187: # not in head can appear inside body, for valid xhtml.
2188: #
2189: $result .= "</body>\n</html>";
1.502 foxr 2190: }
1.159 albertel 2191: return $result;
1.48 albertel 2192: }
2193:
1.108 albertel 2194:
1.48 albertel 2195: sub start_library {
1.159 albertel 2196: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2197: my ($result,$form_tag_start);
1.371 albertel 2198: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2199: &init_problem_globals('library');
2200: $Apache::lonhomework::type='problem';
2201: }
1.159 albertel 2202: if ($target eq 'edit') {
1.343 albertel 2203: ($result,$form_tag_start)=
2204: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2205: 'Edit');
2206: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2207: my $temp=&Apache::edit::insertlist($target,$token);
2208: $result.=$temp;
2209: } elsif ($target eq 'modified') {
2210: $result=$token->[4];
1.340 albertel 2211: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2212: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2213: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2214: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2215: ($result,$form_tag_start)=
2216: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2217: $name);
1.479 raeburn 2218: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2219: $result.=" \n $form_tag_start".
1.159 albertel 2220: '<input type="hidden" name="submitted" value="yes" />';
2221: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2222: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2223: $result.= '<button type="submit" name="resetdata" '.
2224: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2225: &practice_problem_header().'<hr />';
1.428 raeburn 2226: }
1.159 albertel 2227: }
2228: return $result;
1.48 albertel 2229: }
2230:
2231: sub end_library {
1.159 albertel 2232: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2233: my $result='';
2234: if ($target eq 'edit') {
2235: $result=&problem_edit_footer();
1.371 albertel 2236: } elsif ($target eq 'web'
2237: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2238: && $env{'request.state'} eq "construct") {
1.349 albertel 2239: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.558 raeburn 2240: } elsif ($target eq 'meta') {
1.559 raeburn 2241: $result.=&Apache::response::meta_part_order('library');
1.558 raeburn 2242: $result.=&Apache::response::meta_response_order();
1.159 albertel 2243: }
1.371 albertel 2244: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2245: &reset_problem_globals('library');
2246: }
1.159 albertel 2247: return $result;
1.197 www 2248: }
2249:
2250: sub start_definetag {
1.326 albertel 2251: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2252:
2253: my $result;
2254:
2255: my $name = $token->[2]->{'name'};
1.326 albertel 2256: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2257: if ($target eq 'web') {
2258: if ($name=~/^\//) {
2259: $result=
2260: '<br /><table class="LC_sty_end"><tr><th>'.
2261: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2262: } else {
2263: $result=
2264: '<br /><table class="LC_sty_begin"><tr><th>'.
2265: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2266: }
2267: $skip = &HTML::Entities::encode($skip, '<>&"');
2268: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2269: }
2270: return $result;
2271: }
2272:
2273: sub end_definetag {
2274: return '';
1.1 albertel 2275: }
2276:
2277: sub start_block {
1.201 albertel 2278: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2279:
2280: my $result;
1.1 albertel 2281:
1.339 albertel 2282: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2283: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2284: my $code = $token->[2]->{'condition'};
1.385 albertel 2285: if (defined($code) && $code ne '') {
1.137 albertel 2286: if (!$Apache::lonxml::default_homework_loaded) {
2287: &Apache::lonxml::default_homework_load($safeeval);
2288: }
1.131 albertel 2289: $result = &Apache::run::run($code,$safeeval);
2290: &Apache::lonxml::debug("block :$code: returned :$result:");
2291: } else {
2292: $result='1';
2293: }
2294: if ( ! $result ) {
1.201 albertel 2295: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2296: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2297: }
2298: $result='';
2299: } elsif ($target eq 'edit') {
2300: $result .=&Apache::edit::tag_start($target,$token);
2301: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2302: $token,40);
2303: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2304: } elsif ($target eq 'modified') {
2305: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2306: $safeeval,'condition');
2307: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2308: }
1.131 albertel 2309: return $result;
1.1 albertel 2310: }
2311:
2312: sub end_block {
1.167 www 2313: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2314: my $result;
2315: if ($target eq "edit") {
2316: $result.= &Apache::edit::tag_end($target,$token,'');
2317: }
2318: return $result;
2319: }
1.500 foxr 2320: #
2321: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2322: # ...
2323: # </languageblock>
2324: #
2325: # This declares the intent to provide content that can be rendered in the
2326: # set of languages in the include specificatino but not in the exclude
2327: # specification. If a currently preferred language is in the include list
2328: # the content in the <languageblock>...</languageblock> is rendered
2329: # If the currently preferred language is in the exclude list,
2330: # the content in the <languageblock>..></languageblock is not rendered.
2331: #
2332: # Pathalogical case handling:
2333: # - Include specified, without the preferred language but exclude specified
2334: # also without the preferred langauge results in rendering the block.
2335: # - Exclude specified without include and excluden not containing a
2336: # preferred language renders the block.
2337: # - Include and exclude both specifying the preferred language does not
2338: # render the block.
2339: # - If neither include/exclude is specified, the block gets rendered.
2340: #
2341: # This tag has no effect when target is in {edit, modified}
2342: #
1.167 www 2343: sub start_languageblock {
1.201 albertel 2344: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2345:
1.500 foxr 2346: my $result = '';
1.167 www 2347:
1.339 albertel 2348: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2349: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2350: my $include = $token->[2]->{'include'};
2351: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2352: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2353:
2354: # This should not even happen, since we should at least have the server language
2355:
2356: if (!$preferred_languages[0]) {
2357: $preferred_languages[0]='en';
2358: }
2359:
2360: # Now loop over all languages in order of preference
2361:
2362: my $render;
1.398 www 2363: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2364:
2365: # If neither include/nor exlude is present the block is going
2366: # to get rendered.
2367:
1.399 www 2368: my $found=0;
1.500 foxr 2369: $render=1;
2370:
2371: # If include is specified, don't render the block
2372: # unless the preferred language is included in the set.
2373:
1.398 www 2374: if ($include) {
1.500 foxr 2375: $render=0;
1.398 www 2376: foreach my $included_language (split(/\,/,$include)) {
2377: if ($included_language eq $preferred_language) {
1.500 foxr 2378: $render=1;
1.399 www 2379: $found=1;
1.500 foxr 2380: last; # Only need to find the first.
1.398 www 2381: }
2382: }
2383: }
1.500 foxr 2384: # Do we have an exclude argument?
2385: # If so, and one of the languages matches a preferred language
2386: # inhibit rendering the block. Note that in the pathalogical case the
2387: # author has specified a preferred language in both the include and exclude
2388: # attribte exclude is preferred.
2389:
1.398 www 2390: if ($exclude) {
1.500 foxr 2391: $render=1;
1.398 www 2392: foreach my $excluded_language (split(/\,/,$exclude)) {
2393: if ($excluded_language eq $preferred_language) {
1.500 foxr 2394: $render=0;
1.399 www 2395: $found=1;
1.500 foxr 2396: last; # Only need to find the first.
1.398 www 2397: }
2398: }
2399: }
1.500 foxr 2400: if ($found) {
2401: last; # Done on any match of include or exclude.
2402: }
1.398 www 2403: }
1.500 foxr 2404: # If $render not true skip the entire block until </languageblock>
2405: #
2406:
2407: if ( ! $render ) {
1.201 albertel 2408: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2409: $style);
2410: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2411: }
1.500 foxr 2412: # If $render is true, we've not skipped the contents of the <languageglock>
2413: # and the normal loncapa processing flow will render it as a matter of course.
2414:
1.167 www 2415: } elsif ($target eq 'edit') {
2416: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2417: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2418: $token,40);
1.211 albertel 2419: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2420: $token,40);
2421: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2422: } elsif ($target eq 'modified') {
2423: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2424: $safeeval,'include',
2425: 'exclude');
1.167 www 2426: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2427: }
2428: return $result;
2429: }
2430:
2431: sub end_languageblock {
1.170 www 2432: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2433: my $result;
1.201 albertel 2434: if ($target eq "edit") {
1.170 www 2435: $result.= &Apache::edit::tag_end($target,$token,'');
2436: }
2437: return $result;
2438: }
1.500 foxr 2439: # languagblock specific tags:
2440: {
2441: # For chunks of a resource that has translations, this hash contains
2442: # the translations available indexed by language name.
2443: #
2444:
2445: my %available_texts;
1.170 www 2446:
1.500 foxr 2447: # <translated> starts a block of a resource that has multiple translations.
2448: # See the <lang> tag as well.
2449: # When </translated> is encountered if there is a translation for the
2450: # currently preferred language, that is rendered inthe web/tex/webgrade
2451: # targets. Otherwise, the default text is rendered.
2452: #
2453: # Note that <lang> is only registered for the duration of the
2454: # <translated>...</translated> block
2455: #
2456: # Pathalogical case handling:
2457: # - If there is no <lang> that specifies a 'default' and there is no
2458: # translation that matches a preferred language, nothing is rendered.
2459: # - Nested <translated>...</translated> might be linguistically supported by
2460: # XML due to the stack nature of tag registration(?) however the rendered
2461: # output will be incorrect because there is only one %available_texts
2462: # has and end_translated clears it.
2463: # - Material outside of a <lang>...</lang> block within the
2464: # <translated>...<translated> block won't render either e.g.:
2465: # <translated>
2466: # The following will be in your preferred langauge:
2467: # <lang which='en'>
2468: # This section in english
2469: # </lang>
2470: # <lang which='sgeiso'>
2471: # Hier es ist auf Deutsch.
2472: # </lang>
2473: # <lang which='sfriso'>
2474: # En Francais
2475: # </lang>
2476: # </translated>
2477: #
2478: # The introductory text prior to the first <lang> tag is not rendered.
2479: #
1.397 albertel 2480: sub start_translated {
2481: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2482: &Apache::lonxml::register('Apache::structuretags',('lang'));
2483: undef(%available_texts);
2484: }
2485:
2486: sub end_translated {
2487: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2488: my $result;
2489: #show the translation on viewable targets
2490: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2491: # or non-viewable targets, if it's embedded in something that
2492: # wants the output
2493: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2494: && &Apache::lonxml::in_redirection() ) ) {
2495: my @possibilities = keys(%available_texts);
2496: my $which =
2497: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2498: if ($target eq 'tex') {
2499: $result = &select_hyphenation($which);
2500: }
2501: $result .= $available_texts{$which};
2502: if ($target eq 'tex') {
2503: $result .= &select_metadata_hyphenation(); # Restore original language.
2504: }
1.397 albertel 2505: }
2506: undef(%available_texts);
2507: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2508: return $result;
2509: }
2510:
1.500 foxr 2511: # <lang [which='language-name'] [other='lang1,lang2...']>
2512: # Specifies that the block contained within it is a translation
2513: # for a specific language specified by the 'which' attribute. The
2514: # 'other' attribute can be used by itself or in conjunction with
2515: # which to specify this tag _may_ be used as a translation for some
2516: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2517: # specifying that the block provides a translation for US (primary)
2518: # Canadian, Australian and UK Englush.
2519: #
2520: # Comment: this seems a bit silly why not just support a list of languages
2521: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2522: #
2523: # Effect:
2524: # The material within the <lang>..</lang> block is stored in the
2525: # specified set of $available_texts hash entries, the appropriate one
2526: # is selected at </translated> time.
2527: #
2528: # Pathalogical case handling:
2529: # If a language occurs multiple times within a <translated> block,
2530: # only the last one is rendered e.g.:
2531: #
2532: # <translated>
2533: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2534: # Red green color blindness is quite common affecting about 7.8% of
2535: # the male population, but onloy about .65% of the female population.
2536: # </lang>
2537: # Red green colour blindness is quite common affecting about 7.8% of
2538: # the male population, but onloy about .65% of the female population.
2539: # <lang which='seniso', other='senisoCA,senisoAU'>
2540: # </translated>
2541: #
2542: # renders the correct spelling of color (colour) for people who have specified
2543: # a preferred language that is one of the British Commonwealth languages
2544: # even though those are also listed as valid selections for the US english
2545: # <lang> block.
2546: #
1.397 albertel 2547: sub start_lang {
2548: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2549: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2550: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2551: &Apache::lonxml::startredirection();
2552: }
2553: return '';
2554: }
2555:
2556: sub end_lang {
2557: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2558: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2559: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2560: my $result = &Apache::lonxml::endredirection();
2561: my $which = &Apache::lonxml::get_param('which',$parstack,
2562: $safeeval);
1.431 raeburn 2563: if ($which=~/\w/) {
2564: $available_texts{$which} = $result;
2565: }
2566: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2567: $safeeval);
2568: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2569: if ($language=~/\w/) {
2570: $available_texts{$language} = $result;
2571: }
1.427 bisitz 2572: }
2573:
1.397 albertel 2574: }
2575: return '';
2576: }
1.500 foxr 2577: } # end langauge block specific tags.
2578:
1.397 albertel 2579:
1.170 www 2580: sub start_instructorcomment {
1.201 albertel 2581: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2582:
2583: my $result;
2584:
1.339 albertel 2585: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2586: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2587: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2588: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2589: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2590: $parser,$style);
1.170 www 2591: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2592: }
2593: $result='';
2594: } elsif ($target eq 'edit') {
2595: $result .=&Apache::edit::tag_start($target,$token);
2596: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2597: }
2598: return $result;
2599: }
2600:
2601: sub end_instructorcomment {
1.159 albertel 2602: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2603: my $result;
2604: if ($target eq "edit") {
2605: $result.= &Apache::edit::tag_end($target,$token,'');
2606: }
2607: return $result;
1.4 tsai 2608: }
2609:
2610: sub start_while {
1.326 albertel 2611: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2612:
1.160 albertel 2613: my $result;
1.339 albertel 2614: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2615: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2616: my $code = $token->[2]->{'condition'};
1.4 tsai 2617:
1.160 albertel 2618: push( @Apache::structuretags::whileconds, $code);
2619: if (!$Apache::lonxml::default_homework_loaded) {
2620: &Apache::lonxml::default_homework_load($safeeval);
2621: }
2622: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2623: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2624: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2625: push( @Apache::structuretags::whileline, $token->[5]);
2626: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2627: if ( $result ) {
2628: &Apache::lonxml::newparser($parser,\$bodytext);
2629: }
2630: } elsif ($target eq 'edit') {
2631: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2632: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2633: $token,40);
2634: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2635: } elsif ($target eq 'modified') {
2636: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2637: $safeeval,'condition');
2638: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2639: }
1.160 albertel 2640: return $result;
1.4 tsai 2641: }
2642:
2643: sub end_while {
1.159 albertel 2644: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2645: my $result;
2646:
1.339 albertel 2647: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2648: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2649: my $code = pop(@Apache::structuretags::whileconds);
2650: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2651: my $line = pop(@Apache::structuretags::whileline);
2652: my $return = &Apache::run::run($code,$safeeval);
2653: my $starttime=time;
2654: my $error=0;
2655: while ($return) {
2656: if (time-$starttime >
2657: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2658: $return = 0; $error=1; next;
1.161 albertel 2659: }
2660: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2661: if ($target eq 'grade' || $target eq 'answer' ||
2662: $target eq 'analyze') {
2663: # grade/answer/analyze should produce no output but if we
2664: # are redirecting, the redirecter should know what to do
2665: # with the output
2666: if (!$Apache::lonxml::redirection) { undef($result); }
2667: }
1.161 albertel 2668: $return = &Apache::run::run($code,$safeeval);
2669: }
1.516 bisitz 2670: if ($error) {
2671: &Apache::lonxml::error(
2672: '<pre>'
2673: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2674: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2675: .&mt('This occurred while running <while> on line [_1].',
2676: $line)
2677: .'</pre>');
2678: }
1.160 albertel 2679: } elsif ($target eq "edit") {
2680: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2681: }
1.160 albertel 2682: return $result;
1.1 albertel 2683: }
1.6 tsai 2684:
1.160 albertel 2685: # <randomlist show="1">
1.6 tsai 2686: # <tag1>..</tag1>
2687: # <tag2>..</tag2>
2688: # <tag3>..</tag3>
1.160 albertel 2689: # ...
1.6 tsai 2690: # </randomlist>
2691: sub start_randomlist {
1.326 albertel 2692: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2693: my $result;
1.339 albertel 2694: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2695: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2696: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2697: my $b_parser= HTML::LCParser->new(\$body);
2698: $b_parser->xml_mode(1);
2699: $b_parser->marked_sections(1);
1.159 albertel 2700: my $b_tok;
2701: my @randomlist;
2702: my $list_item;
2703: while($b_tok = $b_parser->get_token() ) {
2704: if($b_tok->[0] eq 'S') { # start tag
2705: # get content of the tag until matching end tag
2706: # get all text upto the matching tag
2707: # and push the content into @randomlist
2708: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2709: $b_parser);
2710: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2711: push(@randomlist,$list_item);
2712: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2713: # $list_item</b>";
2714: }
2715: if($b_tok->[0] eq 'T') { # text
2716: # what to do with text in between tags?
2717: # print "<b>TEXT $b_tok->[1]</b><br />";
2718: }
2719: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2720: # print "<b>END-TAG $b_tok->[1]</b><br />";
2721: # }
2722: }
1.303 albertel 2723: if (@randomlist) {
2724: my @idx_arr = (0 .. $#randomlist);
1.555 raeburn 2725: if ($env{'form.code_for_randomlist'}) {
2726: &Apache::structuretags::shuffle(\@idx_arr,$target);
2727: undef($env{'form.code_for_randomlist'});
2728: } else {
2729: &Apache::structuretags::shuffle(\@idx_arr);
2730: }
1.303 albertel 2731: my $bodytext = '';
2732: my $show=$#randomlist;
2733: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2734: $showarg--;
2735: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2736: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2737: my @currlist;
2738: my $part = $Apache::inputtags::part;
2739: if ($part ne '') {
2740: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2741: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2742: if (!(grep(/^\Q$part\E$/,@currlist))) {
2743: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2744: }
2745: } else {
2746: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2747: }
2748: }
2749: }
1.526 raeburn 2750: for my $i (0 .. $show) {
2751: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2752: }
2753: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2754: }
2755: } elsif ($target eq 'edit' ) {
2756: $result .=&Apache::edit::tag_start($target,$token);
2757: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2758: $token,5);
2759: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2760: } elsif ($target eq 'modified' ) {
2761: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2762: $safeeval,'show');
2763: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2764: }
2765: return $result;
1.7 tsai 2766: }
2767:
2768: sub shuffle {
1.555 raeburn 2769: my ($a,$target) = @_;
1.7 tsai 2770: my $i;
1.303 albertel 2771: if (ref($a) eq 'ARRAY' && @$a) {
1.555 raeburn 2772: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2773: for($i=@$a;--$i;) {
2774: my $j=int(&Math::Random::random_uniform() * ($i+1));
2775: next if $i == $j;
2776: @$a[$i,$j] = @$a[$j,$i];
2777: }
1.251 albertel 2778: &Apache::response::poprandomnumber();
1.7 tsai 2779: }
1.6 tsai 2780: }
2781:
2782: sub end_randomlist {
1.159 albertel 2783: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2784: my $result;
2785: if ($target eq 'edit' ) {
2786: $result=&Apache::edit::tag_end($target,$token,
2787: 'End Randomly Parsed Block');
2788: }
2789: return $result;
1.6 tsai 2790: }
2791:
1.283 albertel 2792: sub ordered_show_check {
2793: my $last_part=$Apache::inputtags::partlist[-2];
2794: my $in_order=
2795: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2796: my $in_order_show=1;
2797: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2798: $in_order_show=&Apache::response::check_status($last_part);
2799: }
2800: return $in_order_show;
2801: }
2802:
1.469 www 2803:
2804: sub start_startpartmarker {
2805: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2806: my $result='';
2807: if ($target eq 'edit') {
2808: $result=&Apache::edit::tag_start($target,$token);
2809: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2810: $result.=&Apache::edit::end_table();
2811:
2812: }
2813: return $result;
2814: }
2815:
2816: sub end_startpartmarker {
2817: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2818: my @result;
2819: if ($target eq 'edit') { $result[1]='no'; }
2820: return @result;
2821: }
2822:
2823: sub start_endpartmarker {
2824: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2825: my $result='';
2826: if ($target eq 'edit') {
2827: $result=&Apache::edit::tag_start($target,$token);
2828: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
2829: $result.=&Apache::edit::end_table();
2830:
2831: }
2832: return $result;
2833: }
2834:
2835: sub end_endpartmarker {
2836: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2837: my @result;
2838: if ($target eq 'edit') { $result[1]='no'; }
2839: return @result;
2840: }
2841:
2842:
2843:
2844:
2845:
1.11 albertel 2846: sub start_part {
1.326 albertel 2847: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 2848: if (!$Apache::lonxml::metamode) {
2849: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
2850: # duedates.
2851: }
1.159 albertel 2852: my $result='';
1.386 albertel 2853: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 2854: $Apache::inputtags::part=$id;
1.177 albertel 2855: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 2856: $Apache::inputtags::leniency='';
1.177 albertel 2857: @Apache::inputtags::response=();
1.159 albertel 2858: @Apache::inputtags::previous=();
2859: @Apache::inputtags::previous_version=();
1.405 albertel 2860: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 2861: &Apache::response::reset_params();
2862:
1.159 albertel 2863: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 2864: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
2865: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 2866: if ($Apache::lonhomework::type eq 'randomizetry') {
2867: my $rndseed=&setup_rndseed($safeeval,$target);
2868: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2869: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 2870: }
2871: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2872: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 2873: }
1.283 albertel 2874: my $in_order_show=&ordered_show_check();
1.214 albertel 2875: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 2876: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 2877: &Apache::run::run($expression,$safeeval);
1.159 albertel 2878:
2879: if ($target eq 'meta') {
1.224 www 2880: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
2881: return &Apache::response::mandatory_part_meta.
2882: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 2883: } elsif ($target eq 'web' || $target eq 'grade' ||
2884: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 2885: if ($hidden || !$in_order_show) {
1.326 albertel 2886: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 2887: } else {
2888: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
2889: push (@Apache::inputtags::status,$status);
2890: my $expression='$external::datestatus="'.$status.'";';
2891: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
2892: &Apache::run::run($expression,$safeeval);
1.284 albertel 2893: if ($env{'request.state'} eq 'construct') {
1.241 albertel 2894: &set_problem_state($Apache::inputtags::part);
1.240 albertel 2895: }
1.216 albertel 2896: if (( $status eq 'CLOSED' ) ||
2897: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2898: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 2899: ( $status eq 'BANNED') ||
2900: ( $status eq 'UNAVAILABLE') ||
2901: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 2902: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
2903: $style);
1.159 albertel 2904: if ( $target eq "web" ) {
1.211 albertel 2905: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 2906: } elsif ( $target eq 'tex' ) {
1.284 albertel 2907: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 2908: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 2909: } else {
1.211 albertel 2910: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 2911: }
1.159 albertel 2912: }
2913: } else {
2914: if ($target eq 'tex') {
1.284 albertel 2915: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 2916: if ($$tagstack[-2] eq 'td') {
1.388 foxr 2917: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 2918: } else {
2919: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
2920: }
1.195 sakharuk 2921: }
1.159 albertel 2922: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 2923: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2924: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 2925: my $allow_print_points = 0;
2926: foreach my $partial_key (@allkeys) {
1.230 albertel 2927: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 2928: if ($1 ne '0') {$allow_print_points=1;}
2929: }
2930: }
1.275 albertel 2931: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2932: if (defined($maxtries) && $maxtries < 0) {
2933: $allow_print_points=0;
2934: }
1.302 albertel 2935: if (lc($env{'course.'.$env{'request.course.id'}.
2936: '.disableexampointprint'}) eq 'yes') {
2937: $allow_print_points=0;
2938: }
1.463 foxr 2939: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 2940: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2941:
2942: }
1.233 www 2943: } elsif ($target eq 'web') {
1.479 raeburn 2944: if ($status eq 'CAN_ANSWER') {
2945: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2946: my $probrandomize = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].type");
2947: my $probrandtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].randomizeontries");
2948: my $num = scalar(@Apache::inputtags::partlist)-1;
2949: if ($probrandomize eq 'randomizetry') {
2950: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") ne 'randomizetry') {
2951: $result .= &randomizetry_part_header($problemstatus,'none',$num);
2952: } else {
2953: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2954: if ($probrandtries ne $reqtries) {
2955: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2956: }
2957: }
2958: } elsif (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") eq 'randomizetry') {
2959: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2960: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2961: }
2962: }
1.475 raeburn 2963: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 2964: }
2965: }
2966: }
2967: } elsif ($target eq 'edit') {
2968: $result.=&Apache::edit::tag_start($target,$token);
2969: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
2970: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 2971: ' '.
2972: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 2973: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
2974: } elsif ($target eq 'modified') {
2975: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 2976: $safeeval,'id','display');
1.159 albertel 2977: if ($constructtag) {
1.225 albertel 2978: #limiting ids to only letters numbers, and space
1.224 www 2979: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 2980: $result = &Apache::edit::rebuild_tag($token);
2981: }
2982: }
2983: return $result;
1.11 albertel 2984: }
2985:
2986: sub end_part {
1.159 albertel 2987: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2988: &Apache::lonxml::debug("in end_part $target ");
2989: my $status=$Apache::inputtags::status['-1'];
2990: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 2991: my $in_order_show=&ordered_show_check();
1.321 albertel 2992: my $result;
2993: if (!$Apache::lonxml::metamode) {
2994: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 2995: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2996: }
1.312 albertel 2997: if ($target eq 'grade') {
1.249 albertel 2998: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 2999: !$hidden && $in_order_show) {
1.311 foxr 3000: $result.=&Apache::inputtags::grade;
1.249 albertel 3001: } else {
3002: # move any submission data to .hidden
3003: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3004: }
1.283 albertel 3005: } elsif (($target eq 'web' || $target eq 'tex') &&
3006: !$hidden && $in_order_show) {
1.159 albertel 3007: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3008: $target);
1.490 raeburn 3009: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3010: ($env{'form.grade_imsexport'})) {
1.212 albertel 3011: $gradestatus='';
3012: }
1.311 foxr 3013: $result.=$gradestatus;
1.265 sakharuk 3014: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 3015: } elsif ($target eq 'edit') {
1.311 foxr 3016: $result.=&Apache::edit::end_table();
1.322 albertel 3017: } elsif ($target eq 'modified') {
3018: $result .= $token->[2];
1.159 albertel 3019: }
3020: pop @Apache::inputtags::status;
3021: $Apache::inputtags::part='';
1.536 raeburn 3022: $Apache::inputtags::leniency='';
1.295 albertel 3023: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3024: return $result;
1.11 albertel 3025: }
1.1 albertel 3026:
1.25 albertel 3027: sub start_preduedate {
1.326 albertel 3028: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3029: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3030: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3031: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3032: if (!$Apache::lonhomework::scantronmode &&
3033: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3034: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3035: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3036: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3037: }
1.24 albertel 3038: }
1.159 albertel 3039: return '';
1.24 albertel 3040: }
3041:
1.25 albertel 3042: sub end_preduedate {
1.159 albertel 3043: return '';
1.24 albertel 3044: }
3045:
1.369 foxr 3046: # In all the modes where <postanswerdate> text is
3047: # displayable, all we do is eat up the text between the start/stop
3048: # tags if the conditions are not right to display it.
1.25 albertel 3049: sub start_postanswerdate {
1.326 albertel 3050: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3051: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3052: &Apache::lonnet::allowed('pav',
3053: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3054: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3055: $target eq 'tex' ) {
1.300 albertel 3056: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3057: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3058: (($target eq 'tex') && !$pav)) {
1.326 albertel 3059: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3060: }
3061: }
3062: return '';
1.24 albertel 3063: }
3064:
1.25 albertel 3065: sub end_postanswerdate {
1.159 albertel 3066: return '';
1.24 albertel 3067: }
3068:
1.25 albertel 3069: sub start_notsolved {
1.326 albertel 3070: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3071: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3072: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3073: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3074: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3075: if ($gradestatus =~ /^correct/ &&
3076: &Apache::response::show_answer()) {
1.159 albertel 3077: &Apache::lonxml::debug("skipping");
1.326 albertel 3078: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3079: }
1.24 albertel 3080: }
1.159 albertel 3081: return '';
1.24 albertel 3082: }
3083:
1.25 albertel 3084: sub end_notsolved {
1.159 albertel 3085: return '';
1.24 albertel 3086: }
3087:
3088: sub start_solved {
1.326 albertel 3089: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3090: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3091: $target eq 'tex') {
3092: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3093: if ($gradestatus !~ /^correct/ ||
3094: !&Apache::response::show_answer()) {
1.326 albertel 3095: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3096: }
1.24 albertel 3097: }
1.159 albertel 3098: return '';
1.24 albertel 3099: }
3100:
3101: sub end_solved {
1.248 albertel 3102: return '';
3103: }
3104:
3105: sub start_problemtype {
1.326 albertel 3106: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3107: my $result;
1.339 albertel 3108: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3109: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3110: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3111: if (!defined($mode)) { $mode='show'; }
3112: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3113: my $found=0;
3114: foreach my $type (split(',',$for)) {
3115: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3116: }
3117: if ($mode eq 'show' && !$found) {
1.326 albertel 3118: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3119: }
3120: if ($mode eq 'hide' && $found) {
1.326 albertel 3121: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3122: }
3123: } elsif ($target eq 'edit') {
3124: $result .=&Apache::edit::tag_start($target,$token);
3125: $result.=&Apache::edit::select_arg('Mode:','mode',
3126: [['show','Show'],
3127: ['hide','Hide']]
3128: ,$token);
3129: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 3130: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 3131: ['survey','Survey'],
1.465 raeburn 3132: ['surveycred','Survey (with credit)'],
3133: ['anonsurvey','Anonymous Survey'],
3134: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3135: ['problem','Homework Problem'],
1.479 raeburn 3136: ['practice','Practice Problem'],
3137: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3138: ,$token);
3139: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3140: } elsif ($target eq 'modified') {
3141: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3142: $safeeval,'mode','for');
3143: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3144: }
3145: return $result;
3146: }
3147:
3148: sub end_problemtype {
1.159 albertel 3149: return '';
1.24 albertel 3150: }
1.34 albertel 3151:
3152: sub start_startouttext {
1.159 albertel 3153: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3154: my @result=(''.'');
3155: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3156:
3157: my $nesting =
3158: &Apache::lonxml::set_state('outtext',
3159: &Apache::lonxml::get_state('outtext')+1);
3160: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3161: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3162: }
1.159 albertel 3163: return (@result);
1.34 albertel 3164: }
1.159 albertel 3165:
1.34 albertel 3166: sub end_startouttext {
1.326 albertel 3167: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3168: my $result='';
3169: my $text='';
3170: if ($target eq 'edit') {
1.424 foxr 3171: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3172: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3173: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3174: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3175: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3176: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3177: .'</span></td>'
1.550 raeburn 3178: .'<td><span id="math_'.$areaid.'">';
3179: if ($env{'environment.nocodemirror'}) {
3180: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3181: } else {
3182: $result.=' ';
3183: }
3184: $result.='</span></td>'
1.474 raeburn 3185: .'<td>'
3186: .&Apache::edit::insertlist($target,$token)
3187: .'</td>'
1.515 golterma 3188: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3189: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3190: &Apache::edit::end_row().
1.362 albertel 3191: &Apache::edit::start_spanning_row()."\n".
1.255 www 3192: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3193: }
3194: if ($target eq 'modified') {
1.219 albertel 3195: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3196: }
3197: if ($target eq 'tex') {
3198: $result .= '\noindent ';
3199: }
3200: return $result;
1.34 albertel 3201: }
1.159 albertel 3202:
1.34 albertel 3203: sub start_endouttext {
1.159 albertel 3204: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3205: my $result='';
3206: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3207: if ($target eq "modified") {
3208: $result='<endouttext />'.
1.377 albertel 3209: &Apache::edit::handle_insertafter('startouttext');
3210: }
1.404 albertel 3211:
3212: my $nesting =
3213: &Apache::lonxml::set_state('outtext',
3214: &Apache::lonxml::get_state('outtext')-1);
3215: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3216: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3217: &Apache::lonxml::set_state('outtext', 0);
3218: }
1.159 albertel 3219: return $result;
1.34 albertel 3220: }
1.159 albertel 3221:
1.34 albertel 3222: sub end_endouttext {
1.159 albertel 3223: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3224: my @result=('','');
3225: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3226: return (@result);
1.34 albertel 3227: }
1.159 albertel 3228:
1.45 albertel 3229: sub delete_startouttext {
1.326 albertel 3230: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3231: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3232: my $text=$$parser['-1']->get_text("/endouttext");
3233: my $ntoken=$$parser['-1']->get_token();
3234: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3235: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3236: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3237: # they did the last time round
3238: &Apache::lonxml::increasedepth($ntoken);
3239: &Apache::lonxml::decreasedepth($ntoken);
3240: return 1;
1.193 www 3241: }
3242:
3243: sub start_simpleeditbutton {
3244: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3245: my $result='';
1.284 albertel 3246: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3247: ($target eq 'web') &&
1.330 albertel 3248: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3249: my $url=$env{'request.noversionuri'};
1.193 www 3250: $url=~s/\?.*$//;
1.367 albertel 3251: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3252: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3253: # $result='<p class="LC_warning">'
3254: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3255: # .&Apache::loncommon::help_open_topic('Caching')
3256: # .'</p>';
1.486 www 3257: $result.=&Apache::loncommon::head_subbox(
3258: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3259: .&Apache::lonhtmlcommon::add_item_funclist(
3260: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3261: .&mt('Edit').'</a>')
1.486 www 3262: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3263:
1.193 www 3264: }
3265: return $result;
3266: }
3267:
3268: sub end_simpleeditbutton {
3269: return '';
1.45 albertel 3270: }
1.34 albertel 3271:
1.428 raeburn 3272: sub practice_problem_header {
1.556 raeburn 3273: return '<h3 class="LC_info">'.&mt('Practice Problem').'</h3>'.
1.428 raeburn 3274: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3275: '</span>';
3276: }
3277:
1.479 raeburn 3278: sub randomizetry_problem_header {
3279: my ($problemstatus,$reqtries) = @_;
3280: my ($header,$text);
3281: if ($reqtries > 1) {
3282: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3283: if (($problemstatus eq 'no') ||
3284: ($problemstatus eq 'no_feedback_ever')) {
3285: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3286: } else {
3287: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3288: }
3289: } else {
3290: $header = &mt('New Problem Variation Each Try');
3291: if (($problemstatus eq 'no') ||
3292: ($problemstatus eq 'no_feedback_ever')) {
3293: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3294:
3295: } else {
3296: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3297: }
3298: }
1.556 raeburn 3299: return '<h3 class="LC_info">'.$header.'</h3>'.
1.479 raeburn 3300: '<span class="LC_info">'.$text.'</span><hr />';
3301: }
3302:
3303: sub randomizetry_part_header {
3304: my ($problemstatus,$reqtries,$num) = @_;
3305: my ($header,$text);
3306: if ($reqtries eq 'none') {
3307: $header = &mt('No Question Variation');
3308: $text = &mt('For this question there will no new variation after a try.');
3309: } elsif ($reqtries > 1) {
3310: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3311: if (($problemstatus eq 'no') ||
3312: ($problemstatus eq 'no_feedback_ever')) {
3313: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3314: } else {
3315: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3316: }
3317: } else {
3318: $header = &mt('New Question Variation For Each Try');
3319: if (($problemstatus eq 'no') ||
3320: ($problemstatus eq 'no_feedback_ever')) {
3321: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3322: } else {
3323: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3324: }
3325: }
3326: my $output;
3327: if ($num > 1) {
3328: $output .= '<hr />';
3329: }
1.556 raeburn 3330: $output .= '<h4 class="LC_info">'.$header.'</h4>'.
1.479 raeburn 3331: '<span class="LC_info">'.$text.'</span><br /><br />';
3332: return $output;
3333: }
3334:
1.1 albertel 3335: 1;
3336: __END__
1.435 jms 3337:
3338: =pod
3339:
3340: =back
3341:
3342: =cut
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