Annotation of loncom/homework/structuretags.pm, revision 1.561
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.561 ! raeburn 4: # $Id: structuretags.pm,v 1.560 2018/05/15 04:59:14 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);
1.561 ! raeburn 1768: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres);
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]);
1.561 ! raeburn 1775: my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit);
! 1776: unless (($is_set eq 'ok') || ($is_set eq 'already_set')) {
! 1777: $firstaccres = $is_set;
! 1778: }
1.506 raeburn 1779: }
1780: }
1781:
1.354 albertel 1782: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1783: || $target eq 'edit') {
1.528 raeburn 1784: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1785: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1786: $name);
1.552 raeburn 1787: } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
1788: ($target eq 'answer')) {
1.528 raeburn 1789: my ($symb)= &Apache::lonnet::whichuser();
1790: my $navmap = Apache::lonnavmaps::navmap->new();
1791: if (ref($navmap)) {
1792: my $res = $navmap->getBySymb($symb);
1793: if (ref($res)) {
1794: $probpartlist = $res->parts();
1795: }
1796: }
1.350 albertel 1797: }
1798:
1.552 raeburn 1799: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1800: $target eq 'tex') {
1801:
1802: my ($symb)= &Apache::lonnet::whichuser();
1803: ($status,$accessmsg,$slot_name,$slot,$ipused) =
1804: &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
1805: push (@Apache::inputtags::status,$status);
1806: }
1807:
1.284 albertel 1808: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1809:
1.479 raeburn 1810: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1811: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1812: $target eq 'tex') {
1.479 raeburn 1813:
1.159 albertel 1814: #handle rand seed in construction space
1.528 raeburn 1815: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1816: if (($target eq 'grade') && &Apache::response::submitted()) {
1817: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1818: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1819: } else {
1820: my @parts;
1821: if (ref($probpartlist) eq 'ARRAY') {
1822: @parts = @{$probpartlist};
1823: }
1824: unless (@parts) {
1.529 raeburn 1825: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1826: }
1827: }
1828: }
1.367 albertel 1829: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 1830:
1.333 albertel 1831: if ($env{'request.state'} ne "construct" &&
1832: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 1833: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.462 raeburn 1834: $rndseed.'" />'.
1.551 damieng 1835: '<button type="submit" name="resetdata"
1836: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1837: if (exists($env{'form.username'})) {
1838: $form_tag_start.=
1.164 albertel 1839: '<input type="hidden" name="username"
1.284 albertel 1840: value="'.$env{'form.username'}.'" />';
1.334 albertel 1841: }
1.462 raeburn 1842: if ($env{'request.role.adv'}) {
1843: $form_tag_start.= ' <label class="LC_nobreak">'
1844: .'<input type="checkbox" name="showallfoils"';
1845: if (defined($env{'form.showallfoils'})) {
1846: $form_tag_start.=' checked="checked"';
1847: }
1848: $form_tag_start.= ' /> '
1849: .&mt('Show All Foils')
1850: .'</label>';
1851: }
1.417 www 1852: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1853: $form_tag_start.=&practice_problem_header();
1.417 www 1854: }
1.462 raeburn 1855: $form_tag_start.='<hr />';
1.479 raeburn 1856: } elsif (($env{'request.state'} ne "construct") &&
1857: ($Apache::lonhomework::type eq 'randomizetry') &&
1.546 raeburn 1858: ($status eq 'CAN_ANSWER') &&
1.549 raeburn 1859: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
1860: (!$env{'request.role.adv'})) {
1861: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.479 raeburn 1862: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1863: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1864: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries);
1865: }
1.324 albertel 1866:
1.159 albertel 1867: my $expression='$external::datestatus="'.$status.'";';
1868: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
1869: &Apache::run::run($expression,$safeeval);
1870: &Apache::lonxml::debug("Got $status");
1.324 albertel 1871:
1.159 albertel 1872: if (( $status eq 'CLOSED' ) ||
1873: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1874: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 1875: ( $status eq 'BANNED') ||
1.216 albertel 1876: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 1877: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 1878: ( $status eq 'NOTRESERVABLE') ||
1879: ( $status eq 'RESERVABLE') ||
1880: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 1881: ( $status eq 'INVALID_ACCESS') ||
1882: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 1883: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1884: $style);
1.561 ! raeburn 1885: if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
! 1886: $result .= '<p class="LC_error">'.
! 1887: &mt('A problem occurred when trying to start the timer.').'</p>';
! 1888: }
1.557 raeburn 1889: $result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);
1.324 albertel 1890: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1891: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1892: $style);
1.557 raeburn 1893: $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 1894: } elsif ($target eq 'web') {
1.508 raeburn 1895: if ($status eq 'CAN_ANSWER') {
1896: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
1897: if ($slot_name ne '') {
1.557 raeburn 1898: $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
1899: $env{'request.symb'});
1.508 raeburn 1900: }
1901: if ($resource_due) {
1902: my $time_left = $resource_due - time();
1903: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
1904: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
1905: }
1906: }
1907: }
1.368 albertel 1908: $result.="\n $form_tag_start \t".
1.227 albertel 1909: '<input type="hidden" name="submitted" value="yes" />';
1910: # create a page header and exit
1.284 albertel 1911: if ($env{'request.state'} eq "construct") {
1.544 damieng 1912: if ($env{'form.inhibitmenu'} eq 'yes') {
1913: # error messages can be useful in any case
1914: $result.= &Apache::lonxml::message_location();
1915: } else {
1.542 raeburn 1916: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1917: }
1.428 raeburn 1918: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 1919: $result.= '<button type="submit" name="resetdata" '.
1920: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
1921: &practice_problem_header().'<hr />';
1.428 raeburn 1922: }
1.227 albertel 1923: }
1924: # if we are viewing someone else preserve that info
1.284 albertel 1925: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1926: foreach my $field ('symb','courseid','domain','username') {
1927: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1928: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1929: }
1.479 raeburn 1930: foreach my $field ('trial','questiontype') {
1931: if ($env{"form.grade_$field"} ne '') {
1932: $result .= '<input type="hidden" name="grade_'.$field.
1933: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1934: }
1935: }
1.159 albertel 1936: }
1.490 raeburn 1937: if ($env{'form.grade_imsexport'}) {
1938: $result = '';
1939: }
1.159 albertel 1940: } elsif ($target eq 'tex') {
1.319 foxr 1941: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 1942: $result .= &select_metadata_hyphenation();
1.99 sakharuk 1943: }
1.159 albertel 1944: } elsif ($target eq 'edit') {
1.343 albertel 1945: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1946: $Apache::lonxml::warnings_error_header=
1947: &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 1948: my $temp=&Apache::edit::insertlist($target,$token);
1949: $result.=$temp;
1950: } elsif ($target eq 'modified') {
1951: $result=$token->[4];
1952: } else {
1953: # page_start returned a starting result, delete it if we don't need it
1954: $result = '';
1.99 sakharuk 1955: }
1.159 albertel 1956: return $result;
1.9 albertel 1957: }
1958:
1959: sub end_problem {
1.159 albertel 1960: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 1961: my $result;
1.310 foxr 1962:
1.321 albertel 1963: if (!$Apache::lonxml::metamode) {
1964: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 1965: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1966: }
1.319 foxr 1967:
1968: if ($target eq 'tex') {
1.321 albertel 1969: # Figure out the front matter and replace the
1970: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1971: # this in end_problem because whether or not we display due
1972: # dates depends on whether due dates have already been
1973: # displayed in the problem parts.
1974:
1.319 foxr 1975: my $frontmatter = '';
1976: my $startminipage = '';
1977: if (not $env{'form.problem_split'}=~/yes/) {
1978: $startminipage = '\begin{minipage}{\textwidth}';
1979: }
1980: my $id = $Apache::inputtags::part;
1981: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1982: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 1983: my @packages = split(/,/,$packages);
1.319 foxr 1984: my $allow_print_points = 0;
1985: foreach my $partial_key (@packages) {
1986: if ($partial_key=~m/^part_0$/) {
1987: $allow_print_points=1;
1988: }
1989: }
1990: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1991: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1992: if (lc($env{'course.'.$env{'request.course.id'}.
1993: '.disableexampointprint'}) eq 'yes') {
1994: $allow_print_points=0;
1995: }
1996: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 1997: 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 1998: &clear_required_languages();
1.319 foxr 1999: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
2000: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
2001:
2002: # Figure out what the due date is and if we need to print
2003: # it in the problem header. We have been logging the
2004: # last due date written to file.
2005:
2006: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2007: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2008: my $duedate_text = &mt('Due date: [_1]'
2009: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2010: my $temp_file;
2011: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2012:
2013: # Figure out what the last printed due date is or set it
2014: # to the epoch if no duedates have been printed.
2015:
2016: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2017: if (-e $filename) {
2018: $temp_file = Apache::File->new($filename);
2019: my @due_file = <$temp_file>;
2020: $due_file_content = $due_file[$#due_file];
2021: chomp $due_file_content;
2022: }
2023:
2024: # We display the due date iff it is not the same as the last
2025: # duedate in problem header ($due_file_content), and
2026: # none of our parts displayed a duedate.
2027: #
2028: my $parts_with_displayduedate;
2029: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2030: $parts_with_displayduedate =
2031: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2032: } else {
2033: $parts_with_displayduedate = 0;
2034: }
2035: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2036: $temp_file = Apache::File->new('>'.$filename);
2037: print $temp_file "$duetime\n";
2038: if (not $env{'request.symb'} =~ m/\.page_/) {
2039: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2040: $frontmatter .= $begin_doc.
1.448 bisitz 2041: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2042: } else {
2043: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2044: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2045: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2046: }
1.319 foxr 2047: }
2048: } else {
1.448 bisitz 2049: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2050: }
2051: } else {
2052: if (not $env{'request.symb'} =~ m/\.page_/) {
2053: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2054: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2055: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2056: }
1.319 foxr 2057: } else {
1.381 albertel 2058: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2059: }
2060: }
2061: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
2062: }
2063:
1.159 albertel 2064: my $status=$Apache::inputtags::status['-1'];
2065: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2066: $target eq 'tex') {
1.249 albertel 2067: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2068: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2069: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2070: &Apache::inputtags::grade;
1.324 albertel 2071: } elsif ($status eq 'NEEDS_CHECKIN') {
2072: # no need to grade, and don't want to hide data
1.249 albertel 2073: } else {
2074: # move any submission data to .hidden
2075: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2076: }
1.159 albertel 2077: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2078: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2079: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2080: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2081: # if part is zero, no <part>s existed, so we need show the current
2082: # grading status
2083: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2084: $result.= $gradestatus;
2085: }
2086: if (
1.284 albertel 2087: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2088: ($target eq 'answer') || ($target eq 'tex')
2089: ) {
1.490 raeburn 2090: if (($target ne 'tex') &&
2091: ($env{'form.answer_output_mode'} ne 'tex') &&
2092: (!$env{'form.grade_imsexport'})) {
1.254 www 2093: $result.="</form>";
1.159 albertel 2094: }
2095: if ($target eq 'web') {
1.507 raeburn 2096: #
2097: # Closing </body></html> not added by end_page().
2098: # Added separately at end of this routine, after added
2099: # <script></script> so document will be valid xhtml.
2100: #
1.546 raeburn 2101: my $showdisc = 1;
1.547 raeburn 2102: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
2103: (!$env{'request.role.adv'})) {
2104: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 2105: $showdisc = 0;
1.547 raeburn 2106: my ($symb)= &Apache::lonnet::whichuser();
2107: if ($symb) {
2108: my $navmap = Apache::lonnavmaps::navmap->new();
2109: if (ref($navmap)) {
2110: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
2111: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 2112: # and there are no tries left
1.547 raeburn 2113: unless ($hastries) {
2114: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
2115: my ($score,$incomplete) =
2116: &Apache::lonplacementtest::check_completion(undef,undef,1);
2117: if (!$incomplete) {
2118: $result .= &Apache::lonplacementtest::showresult(1,1);
2119: } elsif ($incomplete < 100) {
2120: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
2121: }
2122: } else {
2123: # For Placement Tests score is displayed if test has just been completed
2124: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
2125: if (!$incomplete) {
2126: $result.= &Apache::lonplacementtest::showresult(1,1);
2127: }
2128: }
2129: }
2130: }
2131: }
1.546 raeburn 2132: }
2133: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 2134: 'notbody' => 1});
1.159 albertel 2135: } elsif ($target eq 'tex') {
1.178 sakharuk 2136: my $endminipage = '';
1.284 albertel 2137: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2138: $endminipage = '\end{minipage}';
2139: }
1.284 albertel 2140: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2141: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2142: } else {
1.262 sakharuk 2143: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2144: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2145: $result .= $endminipage.'\end{document} ';
2146: } else {
1.382 albertel 2147: $result .= $endminipage;
1.262 sakharuk 2148: }
1.159 albertel 2149: }
2150: }
2151: }
1.476 www 2152: if ($target eq 'web') {
2153: $result.=&Apache::functionplotresponse::init_script();
2154: }
1.159 albertel 2155: if ($target eq 'grade') {
2156: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2157: &finalize_storage();
2158: }
1.284 albertel 2159: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2160: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2161: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2162: # normally we get it from above, but in CSTR
1.172 albertel 2163: # we always show answer mode too.
1.159 albertel 2164: }
2165: } elsif ($target eq 'meta') {
2166: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2167: @Apache::inputtags::response=();
1.159 albertel 2168: $result=&Apache::response::mandatory_part_meta;
2169: }
1.559 raeburn 2170: $result.=&Apache::response::meta_part_order('problem');
1.258 albertel 2171: $result.=&Apache::response::meta_response_order();
1.159 albertel 2172: } elsif ($target eq 'edit') {
2173: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2174: $result .= &problem_edit_footer();
1.320 albertel 2175: } elsif ($target eq 'modified') {
2176: $result .= $token->[2];
1.159 albertel 2177: }
1.155 albertel 2178:
1.284 albertel 2179: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2180: &Apache::inputtags::check_for_duplicate_ids();
2181: }
1.204 albertel 2182:
2183: &reset_problem_globals('problem');
1.159 albertel 2184:
1.502 foxr 2185: #
2186: # This shouild be just above the return so that the
2187: # time put in the javascript is as late as possible in the
2188: # computation:
2189: #
2190: if ($target eq 'web') {
2191: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2192: #
2193: # Closing tags delayed so any <script></script> tags
2194: # not in head can appear inside body, for valid xhtml.
2195: #
2196: $result .= "</body>\n</html>";
1.502 foxr 2197: }
1.159 albertel 2198: return $result;
1.48 albertel 2199: }
2200:
1.108 albertel 2201:
1.48 albertel 2202: sub start_library {
1.159 albertel 2203: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2204: my ($result,$form_tag_start);
1.371 albertel 2205: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2206: &init_problem_globals('library');
2207: $Apache::lonhomework::type='problem';
2208: }
1.159 albertel 2209: if ($target eq 'edit') {
1.343 albertel 2210: ($result,$form_tag_start)=
2211: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2212: 'Edit');
2213: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2214: my $temp=&Apache::edit::insertlist($target,$token);
2215: $result.=$temp;
2216: } elsif ($target eq 'modified') {
2217: $result=$token->[4];
1.340 albertel 2218: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2219: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2220: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2221: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2222: ($result,$form_tag_start)=
2223: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2224: $name);
1.479 raeburn 2225: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2226: $result.=" \n $form_tag_start".
1.159 albertel 2227: '<input type="hidden" name="submitted" value="yes" />';
2228: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2229: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2230: $result.= '<button type="submit" name="resetdata" '.
2231: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2232: &practice_problem_header().'<hr />';
1.428 raeburn 2233: }
1.159 albertel 2234: }
2235: return $result;
1.48 albertel 2236: }
2237:
2238: sub end_library {
1.159 albertel 2239: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2240: my $result='';
2241: if ($target eq 'edit') {
2242: $result=&problem_edit_footer();
1.371 albertel 2243: } elsif ($target eq 'web'
2244: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2245: && $env{'request.state'} eq "construct") {
1.349 albertel 2246: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.558 raeburn 2247: } elsif ($target eq 'meta') {
1.559 raeburn 2248: $result.=&Apache::response::meta_part_order('library');
1.558 raeburn 2249: $result.=&Apache::response::meta_response_order();
1.159 albertel 2250: }
1.371 albertel 2251: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2252: &reset_problem_globals('library');
2253: }
1.159 albertel 2254: return $result;
1.197 www 2255: }
2256:
2257: sub start_definetag {
1.326 albertel 2258: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2259:
2260: my $result;
2261:
2262: my $name = $token->[2]->{'name'};
1.326 albertel 2263: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2264: if ($target eq 'web') {
2265: if ($name=~/^\//) {
2266: $result=
2267: '<br /><table class="LC_sty_end"><tr><th>'.
2268: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2269: } else {
2270: $result=
2271: '<br /><table class="LC_sty_begin"><tr><th>'.
2272: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2273: }
2274: $skip = &HTML::Entities::encode($skip, '<>&"');
2275: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2276: }
2277: return $result;
2278: }
2279:
2280: sub end_definetag {
2281: return '';
1.1 albertel 2282: }
2283:
2284: sub start_block {
1.201 albertel 2285: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2286:
2287: my $result;
1.1 albertel 2288:
1.339 albertel 2289: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2290: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2291: my $code = $token->[2]->{'condition'};
1.385 albertel 2292: if (defined($code) && $code ne '') {
1.137 albertel 2293: if (!$Apache::lonxml::default_homework_loaded) {
2294: &Apache::lonxml::default_homework_load($safeeval);
2295: }
1.131 albertel 2296: $result = &Apache::run::run($code,$safeeval);
2297: &Apache::lonxml::debug("block :$code: returned :$result:");
2298: } else {
2299: $result='1';
2300: }
2301: if ( ! $result ) {
1.201 albertel 2302: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2303: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2304: }
2305: $result='';
2306: } elsif ($target eq 'edit') {
2307: $result .=&Apache::edit::tag_start($target,$token);
2308: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2309: $token,40);
2310: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2311: } elsif ($target eq 'modified') {
2312: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2313: $safeeval,'condition');
2314: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2315: }
1.131 albertel 2316: return $result;
1.1 albertel 2317: }
2318:
2319: sub end_block {
1.167 www 2320: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2321: my $result;
2322: if ($target eq "edit") {
2323: $result.= &Apache::edit::tag_end($target,$token,'');
2324: }
2325: return $result;
2326: }
1.500 foxr 2327: #
2328: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2329: # ...
2330: # </languageblock>
2331: #
2332: # This declares the intent to provide content that can be rendered in the
2333: # set of languages in the include specificatino but not in the exclude
2334: # specification. If a currently preferred language is in the include list
2335: # the content in the <languageblock>...</languageblock> is rendered
2336: # If the currently preferred language is in the exclude list,
2337: # the content in the <languageblock>..></languageblock is not rendered.
2338: #
2339: # Pathalogical case handling:
2340: # - Include specified, without the preferred language but exclude specified
2341: # also without the preferred langauge results in rendering the block.
2342: # - Exclude specified without include and excluden not containing a
2343: # preferred language renders the block.
2344: # - Include and exclude both specifying the preferred language does not
2345: # render the block.
2346: # - If neither include/exclude is specified, the block gets rendered.
2347: #
2348: # This tag has no effect when target is in {edit, modified}
2349: #
1.167 www 2350: sub start_languageblock {
1.201 albertel 2351: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2352:
1.500 foxr 2353: my $result = '';
1.167 www 2354:
1.339 albertel 2355: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2356: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2357: my $include = $token->[2]->{'include'};
2358: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2359: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2360:
2361: # This should not even happen, since we should at least have the server language
2362:
2363: if (!$preferred_languages[0]) {
2364: $preferred_languages[0]='en';
2365: }
2366:
2367: # Now loop over all languages in order of preference
2368:
2369: my $render;
1.398 www 2370: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2371:
2372: # If neither include/nor exlude is present the block is going
2373: # to get rendered.
2374:
1.399 www 2375: my $found=0;
1.500 foxr 2376: $render=1;
2377:
2378: # If include is specified, don't render the block
2379: # unless the preferred language is included in the set.
2380:
1.398 www 2381: if ($include) {
1.500 foxr 2382: $render=0;
1.398 www 2383: foreach my $included_language (split(/\,/,$include)) {
2384: if ($included_language eq $preferred_language) {
1.500 foxr 2385: $render=1;
1.399 www 2386: $found=1;
1.500 foxr 2387: last; # Only need to find the first.
1.398 www 2388: }
2389: }
2390: }
1.500 foxr 2391: # Do we have an exclude argument?
2392: # If so, and one of the languages matches a preferred language
2393: # inhibit rendering the block. Note that in the pathalogical case the
2394: # author has specified a preferred language in both the include and exclude
2395: # attribte exclude is preferred.
2396:
1.398 www 2397: if ($exclude) {
1.500 foxr 2398: $render=1;
1.398 www 2399: foreach my $excluded_language (split(/\,/,$exclude)) {
2400: if ($excluded_language eq $preferred_language) {
1.500 foxr 2401: $render=0;
1.399 www 2402: $found=1;
1.500 foxr 2403: last; # Only need to find the first.
1.398 www 2404: }
2405: }
2406: }
1.500 foxr 2407: if ($found) {
2408: last; # Done on any match of include or exclude.
2409: }
1.398 www 2410: }
1.500 foxr 2411: # If $render not true skip the entire block until </languageblock>
2412: #
2413:
2414: if ( ! $render ) {
1.201 albertel 2415: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2416: $style);
2417: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2418: }
1.500 foxr 2419: # If $render is true, we've not skipped the contents of the <languageglock>
2420: # and the normal loncapa processing flow will render it as a matter of course.
2421:
1.167 www 2422: } elsif ($target eq 'edit') {
2423: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2424: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2425: $token,40);
1.211 albertel 2426: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2427: $token,40);
2428: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2429: } elsif ($target eq 'modified') {
2430: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2431: $safeeval,'include',
2432: 'exclude');
1.167 www 2433: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2434: }
2435: return $result;
2436: }
2437:
2438: sub end_languageblock {
1.170 www 2439: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2440: my $result;
1.201 albertel 2441: if ($target eq "edit") {
1.170 www 2442: $result.= &Apache::edit::tag_end($target,$token,'');
2443: }
2444: return $result;
2445: }
1.500 foxr 2446: # languagblock specific tags:
2447: {
2448: # For chunks of a resource that has translations, this hash contains
2449: # the translations available indexed by language name.
2450: #
2451:
2452: my %available_texts;
1.170 www 2453:
1.500 foxr 2454: # <translated> starts a block of a resource that has multiple translations.
2455: # See the <lang> tag as well.
2456: # When </translated> is encountered if there is a translation for the
2457: # currently preferred language, that is rendered inthe web/tex/webgrade
2458: # targets. Otherwise, the default text is rendered.
2459: #
2460: # Note that <lang> is only registered for the duration of the
2461: # <translated>...</translated> block
2462: #
2463: # Pathalogical case handling:
2464: # - If there is no <lang> that specifies a 'default' and there is no
2465: # translation that matches a preferred language, nothing is rendered.
2466: # - Nested <translated>...</translated> might be linguistically supported by
2467: # XML due to the stack nature of tag registration(?) however the rendered
2468: # output will be incorrect because there is only one %available_texts
2469: # has and end_translated clears it.
2470: # - Material outside of a <lang>...</lang> block within the
2471: # <translated>...<translated> block won't render either e.g.:
2472: # <translated>
2473: # The following will be in your preferred langauge:
2474: # <lang which='en'>
2475: # This section in english
2476: # </lang>
2477: # <lang which='sgeiso'>
2478: # Hier es ist auf Deutsch.
2479: # </lang>
2480: # <lang which='sfriso'>
2481: # En Francais
2482: # </lang>
2483: # </translated>
2484: #
2485: # The introductory text prior to the first <lang> tag is not rendered.
2486: #
1.397 albertel 2487: sub start_translated {
2488: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2489: &Apache::lonxml::register('Apache::structuretags',('lang'));
2490: undef(%available_texts);
2491: }
2492:
2493: sub end_translated {
2494: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2495: my $result;
2496: #show the translation on viewable targets
2497: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2498: # or non-viewable targets, if it's embedded in something that
2499: # wants the output
2500: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2501: && &Apache::lonxml::in_redirection() ) ) {
2502: my @possibilities = keys(%available_texts);
2503: my $which =
2504: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2505: if ($target eq 'tex') {
2506: $result = &select_hyphenation($which);
2507: }
2508: $result .= $available_texts{$which};
2509: if ($target eq 'tex') {
2510: $result .= &select_metadata_hyphenation(); # Restore original language.
2511: }
1.397 albertel 2512: }
2513: undef(%available_texts);
2514: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2515: return $result;
2516: }
2517:
1.500 foxr 2518: # <lang [which='language-name'] [other='lang1,lang2...']>
2519: # Specifies that the block contained within it is a translation
2520: # for a specific language specified by the 'which' attribute. The
2521: # 'other' attribute can be used by itself or in conjunction with
2522: # which to specify this tag _may_ be used as a translation for some
2523: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2524: # specifying that the block provides a translation for US (primary)
2525: # Canadian, Australian and UK Englush.
2526: #
2527: # Comment: this seems a bit silly why not just support a list of languages
2528: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2529: #
2530: # Effect:
2531: # The material within the <lang>..</lang> block is stored in the
2532: # specified set of $available_texts hash entries, the appropriate one
2533: # is selected at </translated> time.
2534: #
2535: # Pathalogical case handling:
2536: # If a language occurs multiple times within a <translated> block,
2537: # only the last one is rendered e.g.:
2538: #
2539: # <translated>
2540: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2541: # Red green color blindness is quite common affecting about 7.8% of
2542: # the male population, but onloy about .65% of the female population.
2543: # </lang>
2544: # Red green colour blindness is quite common affecting about 7.8% of
2545: # the male population, but onloy about .65% of the female population.
2546: # <lang which='seniso', other='senisoCA,senisoAU'>
2547: # </translated>
2548: #
2549: # renders the correct spelling of color (colour) for people who have specified
2550: # a preferred language that is one of the British Commonwealth languages
2551: # even though those are also listed as valid selections for the US english
2552: # <lang> block.
2553: #
1.397 albertel 2554: sub start_lang {
2555: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2556: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2557: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2558: &Apache::lonxml::startredirection();
2559: }
2560: return '';
2561: }
2562:
2563: sub end_lang {
2564: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2565: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2566: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2567: my $result = &Apache::lonxml::endredirection();
2568: my $which = &Apache::lonxml::get_param('which',$parstack,
2569: $safeeval);
1.431 raeburn 2570: if ($which=~/\w/) {
2571: $available_texts{$which} = $result;
2572: }
2573: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2574: $safeeval);
2575: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2576: if ($language=~/\w/) {
2577: $available_texts{$language} = $result;
2578: }
1.427 bisitz 2579: }
2580:
1.397 albertel 2581: }
2582: return '';
2583: }
1.500 foxr 2584: } # end langauge block specific tags.
2585:
1.397 albertel 2586:
1.170 www 2587: sub start_instructorcomment {
1.201 albertel 2588: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2589:
2590: my $result;
2591:
1.339 albertel 2592: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2593: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2594: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2595: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2596: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2597: $parser,$style);
1.170 www 2598: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2599: }
2600: $result='';
2601: } elsif ($target eq 'edit') {
2602: $result .=&Apache::edit::tag_start($target,$token);
2603: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2604: }
2605: return $result;
2606: }
2607:
2608: sub end_instructorcomment {
1.159 albertel 2609: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2610: my $result;
2611: if ($target eq "edit") {
2612: $result.= &Apache::edit::tag_end($target,$token,'');
2613: }
2614: return $result;
1.4 tsai 2615: }
2616:
2617: sub start_while {
1.326 albertel 2618: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2619:
1.160 albertel 2620: my $result;
1.339 albertel 2621: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2622: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2623: my $code = $token->[2]->{'condition'};
1.4 tsai 2624:
1.160 albertel 2625: push( @Apache::structuretags::whileconds, $code);
2626: if (!$Apache::lonxml::default_homework_loaded) {
2627: &Apache::lonxml::default_homework_load($safeeval);
2628: }
2629: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2630: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2631: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2632: push( @Apache::structuretags::whileline, $token->[5]);
2633: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2634: if ( $result ) {
2635: &Apache::lonxml::newparser($parser,\$bodytext);
2636: }
2637: } elsif ($target eq 'edit') {
2638: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2639: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2640: $token,40);
2641: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2642: } elsif ($target eq 'modified') {
2643: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2644: $safeeval,'condition');
2645: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2646: }
1.160 albertel 2647: return $result;
1.4 tsai 2648: }
2649:
2650: sub end_while {
1.159 albertel 2651: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2652: my $result;
2653:
1.339 albertel 2654: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2655: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2656: my $code = pop(@Apache::structuretags::whileconds);
2657: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2658: my $line = pop(@Apache::structuretags::whileline);
2659: my $return = &Apache::run::run($code,$safeeval);
2660: my $starttime=time;
2661: my $error=0;
2662: while ($return) {
2663: if (time-$starttime >
2664: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2665: $return = 0; $error=1; next;
1.161 albertel 2666: }
2667: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2668: if ($target eq 'grade' || $target eq 'answer' ||
2669: $target eq 'analyze') {
2670: # grade/answer/analyze should produce no output but if we
2671: # are redirecting, the redirecter should know what to do
2672: # with the output
2673: if (!$Apache::lonxml::redirection) { undef($result); }
2674: }
1.161 albertel 2675: $return = &Apache::run::run($code,$safeeval);
2676: }
1.516 bisitz 2677: if ($error) {
2678: &Apache::lonxml::error(
2679: '<pre>'
2680: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2681: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2682: .&mt('This occurred while running <while> on line [_1].',
2683: $line)
2684: .'</pre>');
2685: }
1.160 albertel 2686: } elsif ($target eq "edit") {
2687: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2688: }
1.160 albertel 2689: return $result;
1.1 albertel 2690: }
1.6 tsai 2691:
1.160 albertel 2692: # <randomlist show="1">
1.6 tsai 2693: # <tag1>..</tag1>
2694: # <tag2>..</tag2>
2695: # <tag3>..</tag3>
1.160 albertel 2696: # ...
1.6 tsai 2697: # </randomlist>
2698: sub start_randomlist {
1.326 albertel 2699: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2700: my $result;
1.339 albertel 2701: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2702: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2703: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2704: my $b_parser= HTML::LCParser->new(\$body);
2705: $b_parser->xml_mode(1);
2706: $b_parser->marked_sections(1);
1.159 albertel 2707: my $b_tok;
2708: my @randomlist;
2709: my $list_item;
2710: while($b_tok = $b_parser->get_token() ) {
2711: if($b_tok->[0] eq 'S') { # start tag
2712: # get content of the tag until matching end tag
2713: # get all text upto the matching tag
2714: # and push the content into @randomlist
2715: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2716: $b_parser);
2717: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2718: push(@randomlist,$list_item);
2719: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2720: # $list_item</b>";
2721: }
2722: if($b_tok->[0] eq 'T') { # text
2723: # what to do with text in between tags?
2724: # print "<b>TEXT $b_tok->[1]</b><br />";
2725: }
2726: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2727: # print "<b>END-TAG $b_tok->[1]</b><br />";
2728: # }
2729: }
1.303 albertel 2730: if (@randomlist) {
2731: my @idx_arr = (0 .. $#randomlist);
1.555 raeburn 2732: if ($env{'form.code_for_randomlist'}) {
2733: &Apache::structuretags::shuffle(\@idx_arr,$target);
2734: undef($env{'form.code_for_randomlist'});
2735: } else {
2736: &Apache::structuretags::shuffle(\@idx_arr);
2737: }
1.303 albertel 2738: my $bodytext = '';
2739: my $show=$#randomlist;
2740: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2741: $showarg--;
2742: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2743: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2744: my @currlist;
2745: my $part = $Apache::inputtags::part;
2746: if ($part ne '') {
2747: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2748: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2749: if (!(grep(/^\Q$part\E$/,@currlist))) {
2750: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2751: }
2752: } else {
2753: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2754: }
2755: }
2756: }
1.526 raeburn 2757: for my $i (0 .. $show) {
2758: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2759: }
2760: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2761: }
2762: } elsif ($target eq 'edit' ) {
2763: $result .=&Apache::edit::tag_start($target,$token);
2764: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2765: $token,5);
2766: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2767: } elsif ($target eq 'modified' ) {
2768: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2769: $safeeval,'show');
2770: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2771: }
2772: return $result;
1.7 tsai 2773: }
2774:
2775: sub shuffle {
1.555 raeburn 2776: my ($a,$target) = @_;
1.7 tsai 2777: my $i;
1.303 albertel 2778: if (ref($a) eq 'ARRAY' && @$a) {
1.555 raeburn 2779: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2780: for($i=@$a;--$i;) {
2781: my $j=int(&Math::Random::random_uniform() * ($i+1));
2782: next if $i == $j;
2783: @$a[$i,$j] = @$a[$j,$i];
2784: }
1.251 albertel 2785: &Apache::response::poprandomnumber();
1.7 tsai 2786: }
1.6 tsai 2787: }
2788:
2789: sub end_randomlist {
1.159 albertel 2790: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2791: my $result;
2792: if ($target eq 'edit' ) {
2793: $result=&Apache::edit::tag_end($target,$token,
2794: 'End Randomly Parsed Block');
2795: }
2796: return $result;
1.6 tsai 2797: }
2798:
1.283 albertel 2799: sub ordered_show_check {
2800: my $last_part=$Apache::inputtags::partlist[-2];
2801: my $in_order=
2802: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2803: my $in_order_show=1;
2804: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2805: $in_order_show=&Apache::response::check_status($last_part);
2806: }
2807: return $in_order_show;
2808: }
2809:
1.469 www 2810:
2811: sub start_startpartmarker {
2812: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2813: my $result='';
2814: if ($target eq 'edit') {
2815: $result=&Apache::edit::tag_start($target,$token);
2816: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2817: $result.=&Apache::edit::end_table();
2818:
2819: }
2820: return $result;
2821: }
2822:
2823: sub end_startpartmarker {
2824: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2825: my @result;
2826: if ($target eq 'edit') { $result[1]='no'; }
2827: return @result;
2828: }
2829:
2830: sub start_endpartmarker {
2831: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2832: my $result='';
2833: if ($target eq 'edit') {
2834: $result=&Apache::edit::tag_start($target,$token);
2835: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
2836: $result.=&Apache::edit::end_table();
2837:
2838: }
2839: return $result;
2840: }
2841:
2842: sub end_endpartmarker {
2843: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2844: my @result;
2845: if ($target eq 'edit') { $result[1]='no'; }
2846: return @result;
2847: }
2848:
2849:
2850:
2851:
2852:
1.11 albertel 2853: sub start_part {
1.326 albertel 2854: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 2855: if (!$Apache::lonxml::metamode) {
2856: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
2857: # duedates.
2858: }
1.159 albertel 2859: my $result='';
1.386 albertel 2860: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 2861: $Apache::inputtags::part=$id;
1.177 albertel 2862: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 2863: $Apache::inputtags::leniency='';
1.177 albertel 2864: @Apache::inputtags::response=();
1.159 albertel 2865: @Apache::inputtags::previous=();
2866: @Apache::inputtags::previous_version=();
1.405 albertel 2867: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 2868: &Apache::response::reset_params();
2869:
1.159 albertel 2870: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 2871: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
2872: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 2873: if ($Apache::lonhomework::type eq 'randomizetry') {
2874: my $rndseed=&setup_rndseed($safeeval,$target);
2875: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2876: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 2877: }
2878: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2879: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 2880: }
1.283 albertel 2881: my $in_order_show=&ordered_show_check();
1.214 albertel 2882: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 2883: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 2884: &Apache::run::run($expression,$safeeval);
1.159 albertel 2885:
2886: if ($target eq 'meta') {
1.224 www 2887: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
2888: return &Apache::response::mandatory_part_meta.
2889: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 2890: } elsif ($target eq 'web' || $target eq 'grade' ||
2891: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 2892: if ($hidden || !$in_order_show) {
1.326 albertel 2893: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 2894: } else {
2895: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
2896: push (@Apache::inputtags::status,$status);
2897: my $expression='$external::datestatus="'.$status.'";';
2898: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
2899: &Apache::run::run($expression,$safeeval);
1.284 albertel 2900: if ($env{'request.state'} eq 'construct') {
1.241 albertel 2901: &set_problem_state($Apache::inputtags::part);
1.240 albertel 2902: }
1.216 albertel 2903: if (( $status eq 'CLOSED' ) ||
2904: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2905: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 2906: ( $status eq 'BANNED') ||
2907: ( $status eq 'UNAVAILABLE') ||
2908: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 2909: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
2910: $style);
1.159 albertel 2911: if ( $target eq "web" ) {
1.211 albertel 2912: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 2913: } elsif ( $target eq 'tex' ) {
1.284 albertel 2914: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 2915: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 2916: } else {
1.211 albertel 2917: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 2918: }
1.159 albertel 2919: }
2920: } else {
2921: if ($target eq 'tex') {
1.284 albertel 2922: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 2923: if ($$tagstack[-2] eq 'td') {
1.388 foxr 2924: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 2925: } else {
2926: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
2927: }
1.195 sakharuk 2928: }
1.159 albertel 2929: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 2930: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2931: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 2932: my $allow_print_points = 0;
2933: foreach my $partial_key (@allkeys) {
1.230 albertel 2934: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 2935: if ($1 ne '0') {$allow_print_points=1;}
2936: }
2937: }
1.275 albertel 2938: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2939: if (defined($maxtries) && $maxtries < 0) {
2940: $allow_print_points=0;
2941: }
1.302 albertel 2942: if (lc($env{'course.'.$env{'request.course.id'}.
2943: '.disableexampointprint'}) eq 'yes') {
2944: $allow_print_points=0;
2945: }
1.463 foxr 2946: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 2947: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2948:
2949: }
1.233 www 2950: } elsif ($target eq 'web') {
1.479 raeburn 2951: if ($status eq 'CAN_ANSWER') {
2952: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2953: my $probrandomize = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].type");
2954: my $probrandtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].randomizeontries");
2955: my $num = scalar(@Apache::inputtags::partlist)-1;
2956: if ($probrandomize eq 'randomizetry') {
2957: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") ne 'randomizetry') {
2958: $result .= &randomizetry_part_header($problemstatus,'none',$num);
2959: } else {
2960: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2961: if ($probrandtries ne $reqtries) {
2962: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2963: }
2964: }
2965: } elsif (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") eq 'randomizetry') {
2966: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2967: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2968: }
2969: }
1.475 raeburn 2970: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 2971: }
2972: }
2973: }
2974: } elsif ($target eq 'edit') {
2975: $result.=&Apache::edit::tag_start($target,$token);
2976: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
2977: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 2978: ' '.
2979: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 2980: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
2981: } elsif ($target eq 'modified') {
2982: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 2983: $safeeval,'id','display');
1.159 albertel 2984: if ($constructtag) {
1.225 albertel 2985: #limiting ids to only letters numbers, and space
1.224 www 2986: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 2987: $result = &Apache::edit::rebuild_tag($token);
2988: }
2989: }
2990: return $result;
1.11 albertel 2991: }
2992:
2993: sub end_part {
1.159 albertel 2994: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2995: &Apache::lonxml::debug("in end_part $target ");
2996: my $status=$Apache::inputtags::status['-1'];
2997: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 2998: my $in_order_show=&ordered_show_check();
1.321 albertel 2999: my $result;
3000: if (!$Apache::lonxml::metamode) {
3001: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 3002: $Apache::lonxml::post_evaluate=0;
1.321 albertel 3003: }
1.312 albertel 3004: if ($target eq 'grade') {
1.249 albertel 3005: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 3006: !$hidden && $in_order_show) {
1.311 foxr 3007: $result.=&Apache::inputtags::grade;
1.249 albertel 3008: } else {
3009: # move any submission data to .hidden
3010: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3011: }
1.283 albertel 3012: } elsif (($target eq 'web' || $target eq 'tex') &&
3013: !$hidden && $in_order_show) {
1.159 albertel 3014: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3015: $target);
1.490 raeburn 3016: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3017: ($env{'form.grade_imsexport'})) {
1.212 albertel 3018: $gradestatus='';
3019: }
1.311 foxr 3020: $result.=$gradestatus;
1.265 sakharuk 3021: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 3022: } elsif ($target eq 'edit') {
1.311 foxr 3023: $result.=&Apache::edit::end_table();
1.322 albertel 3024: } elsif ($target eq 'modified') {
3025: $result .= $token->[2];
1.159 albertel 3026: }
3027: pop @Apache::inputtags::status;
3028: $Apache::inputtags::part='';
1.536 raeburn 3029: $Apache::inputtags::leniency='';
1.295 albertel 3030: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3031: return $result;
1.11 albertel 3032: }
1.1 albertel 3033:
1.25 albertel 3034: sub start_preduedate {
1.326 albertel 3035: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3036: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3037: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3038: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3039: if (!$Apache::lonhomework::scantronmode &&
3040: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3041: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3042: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3043: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3044: }
1.24 albertel 3045: }
1.159 albertel 3046: return '';
1.24 albertel 3047: }
3048:
1.25 albertel 3049: sub end_preduedate {
1.159 albertel 3050: return '';
1.24 albertel 3051: }
3052:
1.369 foxr 3053: # In all the modes where <postanswerdate> text is
3054: # displayable, all we do is eat up the text between the start/stop
3055: # tags if the conditions are not right to display it.
1.25 albertel 3056: sub start_postanswerdate {
1.326 albertel 3057: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3058: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3059: &Apache::lonnet::allowed('pav',
3060: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3061: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3062: $target eq 'tex' ) {
1.300 albertel 3063: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3064: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3065: (($target eq 'tex') && !$pav)) {
1.326 albertel 3066: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3067: }
3068: }
3069: return '';
1.24 albertel 3070: }
3071:
1.25 albertel 3072: sub end_postanswerdate {
1.159 albertel 3073: return '';
1.24 albertel 3074: }
3075:
1.25 albertel 3076: sub start_notsolved {
1.326 albertel 3077: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3078: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3079: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3080: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3081: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3082: if ($gradestatus =~ /^correct/ &&
3083: &Apache::response::show_answer()) {
1.159 albertel 3084: &Apache::lonxml::debug("skipping");
1.326 albertel 3085: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3086: }
1.24 albertel 3087: }
1.159 albertel 3088: return '';
1.24 albertel 3089: }
3090:
1.25 albertel 3091: sub end_notsolved {
1.159 albertel 3092: return '';
1.24 albertel 3093: }
3094:
3095: sub start_solved {
1.326 albertel 3096: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3097: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3098: $target eq 'tex') {
3099: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3100: if ($gradestatus !~ /^correct/ ||
3101: !&Apache::response::show_answer()) {
1.326 albertel 3102: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3103: }
1.24 albertel 3104: }
1.159 albertel 3105: return '';
1.24 albertel 3106: }
3107:
3108: sub end_solved {
1.248 albertel 3109: return '';
3110: }
3111:
3112: sub start_problemtype {
1.326 albertel 3113: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3114: my $result;
1.339 albertel 3115: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3116: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3117: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3118: if (!defined($mode)) { $mode='show'; }
3119: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3120: my $found=0;
3121: foreach my $type (split(',',$for)) {
3122: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3123: }
3124: if ($mode eq 'show' && !$found) {
1.326 albertel 3125: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3126: }
3127: if ($mode eq 'hide' && $found) {
1.326 albertel 3128: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3129: }
3130: } elsif ($target eq 'edit') {
3131: $result .=&Apache::edit::tag_start($target,$token);
3132: $result.=&Apache::edit::select_arg('Mode:','mode',
3133: [['show','Show'],
3134: ['hide','Hide']]
3135: ,$token);
3136: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 3137: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 3138: ['survey','Survey'],
1.465 raeburn 3139: ['surveycred','Survey (with credit)'],
3140: ['anonsurvey','Anonymous Survey'],
3141: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3142: ['problem','Homework Problem'],
1.479 raeburn 3143: ['practice','Practice Problem'],
3144: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3145: ,$token);
3146: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3147: } elsif ($target eq 'modified') {
3148: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3149: $safeeval,'mode','for');
3150: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3151: }
3152: return $result;
3153: }
3154:
3155: sub end_problemtype {
1.159 albertel 3156: return '';
1.24 albertel 3157: }
1.34 albertel 3158:
3159: sub start_startouttext {
1.159 albertel 3160: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3161: my @result=(''.'');
3162: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3163:
3164: my $nesting =
3165: &Apache::lonxml::set_state('outtext',
3166: &Apache::lonxml::get_state('outtext')+1);
3167: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3168: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3169: }
1.159 albertel 3170: return (@result);
1.34 albertel 3171: }
1.159 albertel 3172:
1.34 albertel 3173: sub end_startouttext {
1.326 albertel 3174: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3175: my $result='';
3176: my $text='';
3177: if ($target eq 'edit') {
1.424 foxr 3178: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3179: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3180: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3181: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3182: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3183: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3184: .'</span></td>'
1.550 raeburn 3185: .'<td><span id="math_'.$areaid.'">';
3186: if ($env{'environment.nocodemirror'}) {
3187: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3188: } else {
3189: $result.=' ';
3190: }
3191: $result.='</span></td>'
1.474 raeburn 3192: .'<td>'
3193: .&Apache::edit::insertlist($target,$token)
3194: .'</td>'
1.515 golterma 3195: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3196: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3197: &Apache::edit::end_row().
1.362 albertel 3198: &Apache::edit::start_spanning_row()."\n".
1.255 www 3199: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3200: }
3201: if ($target eq 'modified') {
1.219 albertel 3202: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3203: }
3204: if ($target eq 'tex') {
3205: $result .= '\noindent ';
3206: }
3207: return $result;
1.34 albertel 3208: }
1.159 albertel 3209:
1.34 albertel 3210: sub start_endouttext {
1.159 albertel 3211: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3212: my $result='';
3213: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3214: if ($target eq "modified") {
3215: $result='<endouttext />'.
1.377 albertel 3216: &Apache::edit::handle_insertafter('startouttext');
3217: }
1.404 albertel 3218:
3219: my $nesting =
3220: &Apache::lonxml::set_state('outtext',
3221: &Apache::lonxml::get_state('outtext')-1);
3222: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3223: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3224: &Apache::lonxml::set_state('outtext', 0);
3225: }
1.159 albertel 3226: return $result;
1.34 albertel 3227: }
1.159 albertel 3228:
1.34 albertel 3229: sub end_endouttext {
1.159 albertel 3230: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3231: my @result=('','');
3232: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3233: return (@result);
1.34 albertel 3234: }
1.159 albertel 3235:
1.45 albertel 3236: sub delete_startouttext {
1.326 albertel 3237: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3238: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3239: my $text=$$parser['-1']->get_text("/endouttext");
3240: my $ntoken=$$parser['-1']->get_token();
3241: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3242: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3243: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3244: # they did the last time round
3245: &Apache::lonxml::increasedepth($ntoken);
3246: &Apache::lonxml::decreasedepth($ntoken);
3247: return 1;
1.193 www 3248: }
3249:
3250: sub start_simpleeditbutton {
3251: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3252: my $result='';
1.284 albertel 3253: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3254: ($target eq 'web') &&
1.330 albertel 3255: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3256: my $url=$env{'request.noversionuri'};
1.193 www 3257: $url=~s/\?.*$//;
1.367 albertel 3258: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3259: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3260: # $result='<p class="LC_warning">'
3261: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3262: # .&Apache::loncommon::help_open_topic('Caching')
3263: # .'</p>';
1.486 www 3264: $result.=&Apache::loncommon::head_subbox(
3265: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3266: .&Apache::lonhtmlcommon::add_item_funclist(
3267: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3268: .&mt('Edit').'</a>')
1.486 www 3269: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3270:
1.193 www 3271: }
3272: return $result;
3273: }
3274:
3275: sub end_simpleeditbutton {
3276: return '';
1.45 albertel 3277: }
1.34 albertel 3278:
1.428 raeburn 3279: sub practice_problem_header {
1.556 raeburn 3280: return '<h3 class="LC_info">'.&mt('Practice Problem').'</h3>'.
1.428 raeburn 3281: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3282: '</span>';
3283: }
3284:
1.479 raeburn 3285: sub randomizetry_problem_header {
3286: my ($problemstatus,$reqtries) = @_;
3287: my ($header,$text);
3288: if ($reqtries > 1) {
3289: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3290: if (($problemstatus eq 'no') ||
3291: ($problemstatus eq 'no_feedback_ever')) {
3292: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3293: } else {
3294: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3295: }
3296: } else {
3297: $header = &mt('New Problem Variation Each Try');
3298: if (($problemstatus eq 'no') ||
3299: ($problemstatus eq 'no_feedback_ever')) {
3300: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3301:
3302: } else {
3303: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3304: }
3305: }
1.556 raeburn 3306: return '<h3 class="LC_info">'.$header.'</h3>'.
1.479 raeburn 3307: '<span class="LC_info">'.$text.'</span><hr />';
3308: }
3309:
3310: sub randomizetry_part_header {
3311: my ($problemstatus,$reqtries,$num) = @_;
3312: my ($header,$text);
3313: if ($reqtries eq 'none') {
3314: $header = &mt('No Question Variation');
3315: $text = &mt('For this question there will no new variation after a try.');
3316: } elsif ($reqtries > 1) {
3317: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3318: if (($problemstatus eq 'no') ||
3319: ($problemstatus eq 'no_feedback_ever')) {
3320: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3321: } else {
3322: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3323: }
3324: } else {
3325: $header = &mt('New Question Variation For Each Try');
3326: if (($problemstatus eq 'no') ||
3327: ($problemstatus eq 'no_feedback_ever')) {
3328: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3329: } else {
3330: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3331: }
3332: }
3333: my $output;
3334: if ($num > 1) {
3335: $output .= '<hr />';
3336: }
1.556 raeburn 3337: $output .= '<h4 class="LC_info">'.$header.'</h4>'.
1.479 raeburn 3338: '<span class="LC_info">'.$text.'</span><br /><br />';
3339: return $output;
3340: }
3341:
1.1 albertel 3342: 1;
3343: __END__
1.435 jms 3344:
3345: =pod
3346:
3347: =back
3348:
3349: =cut
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