Annotation of loncom/homework/structuretags.pm, revision 1.562
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.562 ! raeburn 4: # $Id: structuretags.pm,v 1.561 2018/10/19 22:04:07 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);
1.562 ! raeburn 1120: my ($passback,$ltiscope,$ltimap,$ltisymb,$ltiref,$total,$possible,$dopassback);
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: }
1.562 ! raeburn 1222: if ($passback) {
! 1223: foreach my $key (keys(%Apache::lonhomework::results)) {
! 1224: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
! 1225: my $part = $1;
! 1226: if ((($Apache::lonhomework::results{$key} =~ /^correct_/) ||
! 1227: ($Apache::lonhomework::results{$key} eq 'incorrect_attempted')) &&
! 1228: ($Apache::lonhomework::results{"resource.$part.tries"})) {
! 1229: $dopassback = 1;
! 1230: last;
! 1231: }
! 1232: }
! 1233: }
! 1234: }
! 1235: if (($dopassback) && ($ltiscope eq 'resource') && ($ltisymb eq $symb)) {
1.560 raeburn 1236: $total = 0;
1237: $possible = 0;
1238: my $navmap = Apache::lonnavmaps::navmap->new();
1239: if (ref($navmap)) {
1240: my $res = $navmap->getBySymb($symb);
1241: if (ref($res)) {
1242: my $partlist = $res->parts();
1243: if (ref($partlist) eq 'ARRAY') {
1244: foreach my $part (@{$partlist}) {
1245: unless (exists($Apache::lonhomework::results{"resource.$part.solved"})) {
1246: next if ($Apache::lonhomework::record{"resource.$part.solved"} =~/^excused/);
1247: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1248: $possible += $weight;
1249: if (($record{'version'}) && (exists($record{"resource.$part.awarded"}))) {
1250: my $awarded = $record{"resource.$part.awarded"};
1251: if ($awarded) {
1252: $total += $weight * $awarded;
1253: }
1254: }
1255: }
1256: }
1257: }
1258: }
1259: }
1260: foreach my $key (keys(%Apache::lonhomework::results)) {
1261: if ($key =~ /^resource\.([^\.]+)\.awarded$/) {
1262: my $part = $1;
1263: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1264: $possible += $weight;
1265: my $awarded = $Apache::lonhomework::results{$key};
1266: if ($awarded) {
1267: $total += $weight * $awarded;
1268: }
1269: }
1270: }
1271: }
1.159 albertel 1272: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1273: &store_aggregates($symb,$courseid);
1.562 ! raeburn 1274: if ($dopassback) {
1.560 raeburn 1275: my $scoreformat = 'decimal';
1276: if (ref($ltiref) eq 'HASH') {
1277: if ($ltiref->{'scoreformat'} =~ /^(decimal|ratio|percentage)$/) {
1278: $scoreformat = $1;
1279: }
1280: }
1281: my $ltigrade = {
1282: 'lti' => $ltiref,
1283: 'cid' => $courseid,
1284: 'uname' => $env{'user.name'},
1285: 'udom' => $env{'user.domain'},
1286: 'pbid' => $env{'request.lti.passbackid'},
1287: 'pburl' => $env{'request.lti.passbackurl'},
1288: 'scope' => $ltiscope,
1289: 'ltimap' => $ltimap,
1290: 'ltisymb' => $ltisymb,
1291: 'format' => $scoreformat,
1292: };
1293: if ($ltiscope eq 'resource') {
1294: $ltigrade->{'total'} = $total;
1295: $ltigrade->{'possible'} = $possible;
1296: }
1297: push(@Apache::lonhomework::ltipassback,$ltigrade);
1298: }
1.159 albertel 1299: }
1.323 albertel 1300: } else {
1301: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1302: }
1.159 albertel 1303: return $result;
1.65 albertel 1304: }
1305:
1.560 raeburn 1306: sub needs_lti_passback {
1307: my ($courseid,$symb,$map) = @_;
1308: if (($env{'request.lti.passbackid'}) && ($env{'request.lti.passbackurl'})) {
1309: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1310: my ($cdom,$cnum) = ($1,$2);
1311: my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider');
1312: if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') {
1313: if ($lti{$env{'request.lti.login'}}{'passback'}) {
1314: my ($ltiscope,$ltiuri,$ltisymb) =
1315: &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
1316: $cdom,$cnum,1);
1317: my ($passback,$ltimap);
1318: if ($ltiscope eq 'resource') {
1319: if ($ltisymb eq $symb) {
1320: $passback = 1;
1321: }
1322: } elsif ($ltiscope eq 'map') {
1323: if ($ltiuri eq $map) {
1324: $passback = 1;
1325: $ltimap = $map;
1326: }
1327: } elsif ($ltiscope eq 'course') {
1328: if (($env{'request.lti.uri'} eq "/$cdom/$cnum") || ($env{'request.lti.uri'} eq '')) {
1329: $passback = 1;
1330: }
1331: }
1332: return ($passback,$ltiscope,$ltimap,$ltisymb,$lti{$env{'request.lti.login'}});
1333: }
1334: }
1335: }
1336: }
1337: return;
1338: }
1339:
1.435 jms 1340: =pod
1341:
1.524 raeburn 1342: =item check_correctness_changes()
1343:
1344: For all parts for which current results contain a solved status
1345: of "incorrect_attempted", check if there was a transaction in which
1346: solved was set to "correct_by_student" in the time since the last
1347: transaction (retrieved when &initialize_storage() was called i.e.,
1348: when &start_problem() was called), unless:
1349: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1350: (b) problemstatus is set to no or no_feedback_ever
1351: If such a transaction exists, and did not occur after "reset status"
1352: by a user with grading privileges, then the current transaction is an
1353: example of an out-of-order transaction (i.e., incorrect occurring after
1354: correct). Accordingly, the current transaction should be hidden.
1355:
1356: =cut
1357:
1358:
1359: sub check_correctness_changes {
1360: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1361: my @parts_to_hide;
1362: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1363: return @parts_to_hide;
1364: }
1365: if (@{$parts}) {
1366: my $usec;
1367: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1368: ($env{'request.course.id'} eq $courseid)) {
1369: $usec = $env{'request.course.sec'};
1370: } else {
1371: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1372: }
1373: foreach my $id (@{$parts}) {
1374: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1375: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1376: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1377: my $reset;
1378: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1379: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1380: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1381: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1382: $reset = 1;
1383: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1384: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1385: unless ($reset) {
1386: push(@parts_to_hide,$id);
1387: last;
1388: }
1389: }
1390: }
1391: }
1392: }
1393: return @parts_to_hide;
1394: }
1395:
1396: =pod
1397:
1.435 jms 1398: item store_aggregates()
1399:
1400: Sends hash of values to be incremented in nohist_resourcetracker.db
1401: for the course. Increments total number of attempts, unique students
1402: and corrects for each part for an instance of a problem, as appropriate.
1403:
1404: =cut
1405:
1.285 raeburn 1406: sub store_aggregates {
1407: my ($symb,$courseid) = @_;
1.479 raeburn 1408: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1409: my @parts;
1.288 albertel 1410: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1411: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1412: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1413: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1414: push(@parts, $1);
1.285 raeburn 1415: }
1416: }
1.286 albertel 1417: foreach my $part (@parts) {
1.470 raeburn 1418: if ($env{'request.role'} =~/^st/) {
1419: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1420: eq 'APPROX_ANS' ||
1421: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1422: eq 'EXACT_ANS') {
1423: $aggregate{$symb."\0".$part."\0correct"} = 1;
1424: }
1425: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1426: $aggregate{$symb."\0".$part."\0users"} = 1;
1427: } else {
1428: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1429: if ($last_reset) {
1430: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1431: $aggregate{$symb."\0".$part."\0users"} = 1;
1432: }
1433: }
1434: }
1435: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1436: }
1.470 raeburn 1437: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1438: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1439: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1440: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1441: $randtrycounter{$symb."\0".$part} = 1;
1442: } else {
1443: $anoncounter{$symb."\0".$part} = 1;
1444: }
1.545 raeburn 1445: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.'::'};
1.537 raeburn 1446: if ($needsrelease) {
1.470 raeburn 1447: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1448: if ($curr_required eq '') {
1.471 raeburn 1449: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1450: } else {
1451: my ($currmajor,$currminor) = split(/\./,$curr_required);
1452: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1453: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1454: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1455: }
1.292 raeburn 1456: }
1457: }
1.285 raeburn 1458: }
1459: }
1.526 raeburn 1460: if (keys(%aggregate) > 0) {
1.289 albertel 1461: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1462: $cdomain,$cname);
1463: }
1.472 raeburn 1464: if (keys(%anoncounter) > 0) {
1.481 raeburn 1465: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1466: $cdomain,$cname);
1.472 raeburn 1467: }
1.479 raeburn 1468: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1469: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1470: $cdomain,$cname);
1.479 raeburn 1471: }
1.292 raeburn 1472: }
1.289 albertel 1473:
1.557 raeburn 1474: sub access_status_msg {
1475: my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_;
1476: my $msg;
1477: if ($target eq 'web') {
1478: if ($status eq 'UNAVAILABLE') {
1479: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1480: } elsif ($status eq 'NOT_IN_A_SLOT') {
1481: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1482: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1483: ($status eq 'NOTRESERVABLE')) {
1484: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1485: } elsif ($status ne 'NOT_YET_VIEWED') {
1486: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1487: }
1488: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1489: $msg.=&mt('The problem ').$accessmsg;
1490: } elsif ($status eq 'UNCHECKEDOUT') {
1491: $msg.=&checkout_msg();
1492: } elsif ($status eq 'NOT_YET_VIEWED') {
1493: $msg.=&firstaccess_msg($accessmsg,$symb);
1494: } elsif ($status eq 'NOT_IN_A_SLOT') {
1495: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1496: } elsif ($status eq 'RESERVABLE') {
1497: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1498: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1499: '<br />'.
1500: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1501: } elsif ($status eq 'RESERVABLE_LATER') {
1502: $msg.=&mt('Window to make a reservation will open [_1].',
1503: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1504: } elsif ($status eq 'NOTRESERVABLE') {
1505: $msg.=&mt('Not available to make a reservation.');
1506: } elsif ($status eq 'NEED_DIFFERENT_IP') {
1507: if ($ipused) {
1508: $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");
1509: } else {
1510: $msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
1511: &mt('Somebody else has already used this particular computer for that purpose.');
1512: }
1513: }
1514: $msg.='<br />';
1515: } elsif ($target eq 'tex') {
1516: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1517: : '\begin{minipage}{\textwidth}';
1518:
1519: $msg ='\noindent \vskip 1 mm '.
1520: $startminipage.'\vskip 0 mm';
1521: if ($status eq 'UNAVAILABLE') {
1522: $msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1523: } else {
1524: $msg.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1525: }
1526: }
1527: return $msg;
1528: }
1529:
1530: sub checkin_prompt {
1531: my ($target,$slot_name,$slot,$type) = @_;
1532: my $result;
1533: if ($target eq 'web') {
1534: $result = &Apache::bridgetask::proctor_validation_screen($slot);
1535: } elsif ($target eq 'grade') {
1536: if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) {
1537: $result = &mt('An error occurred during check-in');
1538: }
1539: }
1540: return $result;
1541: }
1542:
1543: sub selfcheckin_resource {
1544: my ($resource_due,$slot_name,$slot,$symb) = @_;
1545: if ($slot_name ne '') {
1546: my $checked_in =
1547: $Apache::lonhomework::history{'resource.0.checkedin'};
1548: if ($checked_in eq '') {
1549: # unproctored slot access, self checkin
1550: my $needsiptied;
1551: if (ref($slot)) {
1552: $needsiptied = $slot->{'iptied'};
1553: }
1554: my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1555: $slot_name,$needsiptied);
1556: if ($check =~ /^error: /) {
1557: &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name");
1558: } else {
1559: $checked_in = $Apache::lonhomework::results{"resource.0.checkedin"};
1560: }
1561: }
1562: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1563: if ($slot->{'starttime'} < time()) {
1564: if (!$resource_due) {
1565: $resource_due = $slot->{'endtime'};
1566: } elsif ($slot->{'endtime'} < $resource_due) {
1567: $resource_due = $slot->{'endtime'};
1568: }
1569: }
1570: }
1571: }
1572: return $resource_due;
1573: }
1574:
1.65 albertel 1575: sub checkout_msg {
1.211 albertel 1576: my %lt=&Apache::lonlocal::texthash(
1577: 'resource'=>'The resource needs to be checked out',
1578: '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.',
1579: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 1580: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
1581: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 1582: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1583: return (<<ENDCHECKOUT);
1.211 albertel 1584: <h2>$lt{'resource'}</h2>
1585: <p>$lt{'id_expln'}</p>
1.449 bisitz 1586: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1587: <form name="checkout" method="post" action="$uri">
1.91 albertel 1588: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1589: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1590: </form>
1591: ENDCHECKOUT
1592: }
1593:
1.252 albertel 1594: sub firstaccess_msg {
1.253 albertel 1595: my ($time,$symb)=@_;
1.414 albertel 1596: my $result;
1597: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1598: if ($interval[1] eq 'map') {
1599: my ($map)=&Apache::lonnet::decode_symb($symb);
1600: my $foldertitle=&Apache::lonnet::gettitle($map);
1601:
1602: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1603: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1604: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1605: ,$foldertitle,$time)."</p>";
1.414 albertel 1606: } elsif ($interval[1] eq 'course') {
1607: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1608: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1609: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1610: ,$course,$time)."</p>";
1.414 albertel 1611: } else {
1612: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1613: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1614: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1615: ,$title,$time)."</p>";
1.414 albertel 1616: }
1.352 albertel 1617: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1618: my $buttontext = &mt('Show Resource');
1619: my $timertext = &mt('Start Timer?');
1.414 albertel 1620: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1621: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1622: <input type="hidden" name="markaccess" value="yes" />
1.514 bisitz 1623: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1624: </form>
1625: ENDCHECKOUT
1.414 albertel 1626: return $result;
1.252 albertel 1627: }
1628:
1.204 albertel 1629: sub init_problem_globals {
1630: my ($type)=@_;
1631: #initialize globals
1.308 foxr 1632: # For problems, we start out in part 0 (outside a <part> tag).
1633: # and part 0 is used to describe the main body of the <problem>
1634: #
1.204 albertel 1635: if ($type eq 'problem') {
1636: $Apache::inputtags::part='0';
1637: @Apache::inputtags::partlist=('0');
1.405 albertel 1638: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1639: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1640:
1.266 albertel 1641: } elsif ($type eq 'library') {
1.204 albertel 1642: $Apache::inputtags::part='';
1643: @Apache::inputtags::partlist=();
1.405 albertel 1644: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1645: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1646:
1.304 albertel 1647: } elsif ($type eq 'Task') {
1648: $Apache::inputtags::part='0';
1649: @Apache::inputtags::partlist=('0');
1.405 albertel 1650: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1651: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1652: }
1.477 www 1653: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1654: @Apache::inputtags::responselist = ();
1655: @Apache::inputtags::importlist = ();
1656: @Apache::inputtags::previous=();
1657: @Apache::inputtags::previous_version=();
1.536 raeburn 1658: $Apache::inputtags::leniency='';
1.204 albertel 1659: $Apache::structuretags::printanswer='No';
1660: @Apache::structuretags::whileconds=();
1661: @Apache::structuretags::whilebody=();
1662: @Apache::structuretags::whileline=();
1663: $Apache::lonhomework::scantronmode=0;
1664: undef($Apache::lonhomework::name);
1.358 albertel 1665: undef($Apache::lonhomework::default_type);
1666: undef($Apache::lonhomework::type);
1.204 albertel 1667: }
1668:
1669: sub reset_problem_globals {
1670: my ($type)=@_;
1671: undef(%Apache::lonhomework::history);
1672: undef(%Apache::lonhomework::results);
1673: undef($Apache::inputtags::part);
1.536 raeburn 1674: undef($Apache::inputtags::leniency);
1.498 raeburn 1675: if ($type eq 'Task') {
1676: undef($Apache::inputtags::slot_name);
1.528 raeburn 1677: } elsif ($type eq 'problem') {
1678: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1679: }
1.208 albertel 1680: #don't undef this, lonhomework.pm takes care of this, we use this to
1681: #detect if we try to do 2 problems in one file
1682: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1683: undef($Apache::lonhomework::name);
1.358 albertel 1684: undef($Apache::lonhomework::default_type);
1685: undef($Apache::lonhomework::type);
1686: undef($Apache::lonhomework::scantronmode);
1687: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1688: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1689: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1690: }
1691:
1.241 albertel 1692: sub set_problem_state {
1.240 albertel 1693: my ($part)=@_;
1.284 albertel 1694: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1695: $Apache::lonhomework::history{"resource.$part.solved"}=
1696: 'correct_by_student';
1697: }
1698: }
1699:
1.241 albertel 1700: sub get_problem_status {
1701: my ($part)=@_;
1.267 albertel 1702: my $problem_status;
1.284 albertel 1703: if ($env{'request.state'} eq 'construct' &&
1704: defined($env{'form.problemstatus'})) {
1705: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1706: } else {
1707: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1708: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1709: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1710: }
1711: return $problem_status;
1712: }
1713:
1.9 albertel 1714: sub start_problem {
1.326 albertel 1715: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1716:
1.311 foxr 1717: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1718: if (!$Apache::lonxml::metamode) {
1719: &Apache::lonxml::startredirection();
1720: }
1.311 foxr 1721:
1.308 foxr 1722: # Problems don't nest and we don't allow more than one <problem> in
1723: # a .problem file.
1724: #
1.184 albertel 1725: if ( $Apache::inputtags::part ne '' ||
1726: $Apache::lonhomework::parsing_a_problem) {
1727: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1728: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1729: return '';
1730: }
1.184 albertel 1731:
1732: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1733: &init_problem_globals('problem');
1.166 albertel 1734:
1.284 albertel 1735: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1736: $Apache::lonhomework::scantronmode=1;
1737: }
1.161 albertel 1738:
1.159 albertel 1739: if ($target ne 'analyze') {
1.415 raeburn 1740: my $type = &Apache::lonnet::EXT('resource.0.type');
1741: $Apache::lonhomework::type=$type;
1.284 albertel 1742: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1743: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1744: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1745: }
1.332 albertel 1746: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1747: }
1.164 albertel 1748: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1749: my $uri=$env{'request.uri'};
1.159 albertel 1750: if ($uri=~/\.(\w+)$/) {
1751: $Apache::lonhomework::type=$1;
1752: &Apache::lonxml::debug("Using type of $1");
1753: } else {
1754: $Apache::lonhomework::type='problem';
1755: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1756: }
1.87 albertel 1757: }
1.301 albertel 1758: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1759:
1.363 albertel 1760: &initialize_storage();
1.389 albertel 1761: if ($target ne 'analyze'
1762: && $env{'request.state'} eq 'construct') {
1763: &set_problem_state('0');
1764: }
1765:
1.366 albertel 1766: if ($target eq 'web') {
1767: &Apache::lonxml::debug(" grading history ");
1768: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1769: }
1.363 albertel 1770:
1.159 albertel 1771: #added vars to the scripting enviroment
1.213 albertel 1772: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1773: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1774: &Apache::run::run($expression,$safeeval);
1.159 albertel 1775: my $status;
1776: my $accessmsg;
1.508 raeburn 1777: my $resource_due;
1.540 raeburn 1778: my $ipused;
1.159 albertel 1779:
1.343 albertel 1780: my $name= &get_resource_name($parstack,$safeeval);
1.561 raeburn 1781: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres);
1.506 raeburn 1782:
1783: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1784: $target eq 'tex') {
1785: if ($env{'form.markaccess'}) {
1786: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.539 raeburn 1787: my ($timelimit) = split(/_/,$interval[0]);
1.561 raeburn 1788: my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit);
1789: unless (($is_set eq 'ok') || ($is_set eq 'already_set')) {
1790: $firstaccres = $is_set;
1791: }
1.506 raeburn 1792: }
1793: }
1794:
1.354 albertel 1795: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1796: || $target eq 'edit') {
1.528 raeburn 1797: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1798: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1799: $name);
1.552 raeburn 1800: } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
1801: ($target eq 'answer')) {
1.528 raeburn 1802: my ($symb)= &Apache::lonnet::whichuser();
1803: my $navmap = Apache::lonnavmaps::navmap->new();
1804: if (ref($navmap)) {
1805: my $res = $navmap->getBySymb($symb);
1806: if (ref($res)) {
1807: $probpartlist = $res->parts();
1808: }
1809: }
1.350 albertel 1810: }
1811:
1.552 raeburn 1812: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1813: $target eq 'tex') {
1814:
1815: my ($symb)= &Apache::lonnet::whichuser();
1816: ($status,$accessmsg,$slot_name,$slot,$ipused) =
1817: &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
1818: push (@Apache::inputtags::status,$status);
1819: }
1820:
1.284 albertel 1821: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1822:
1.479 raeburn 1823: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1824: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1825: $target eq 'tex') {
1.479 raeburn 1826:
1.159 albertel 1827: #handle rand seed in construction space
1.528 raeburn 1828: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1829: if (($target eq 'grade') && &Apache::response::submitted()) {
1830: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1831: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1832: } else {
1833: my @parts;
1834: if (ref($probpartlist) eq 'ARRAY') {
1835: @parts = @{$probpartlist};
1836: }
1837: unless (@parts) {
1.529 raeburn 1838: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1839: }
1840: }
1841: }
1.367 albertel 1842: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 1843:
1.333 albertel 1844: if ($env{'request.state'} ne "construct" &&
1845: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 1846: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.462 raeburn 1847: $rndseed.'" />'.
1.551 damieng 1848: '<button type="submit" name="resetdata"
1849: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1850: if (exists($env{'form.username'})) {
1851: $form_tag_start.=
1.164 albertel 1852: '<input type="hidden" name="username"
1.284 albertel 1853: value="'.$env{'form.username'}.'" />';
1.334 albertel 1854: }
1.462 raeburn 1855: if ($env{'request.role.adv'}) {
1856: $form_tag_start.= ' <label class="LC_nobreak">'
1857: .'<input type="checkbox" name="showallfoils"';
1858: if (defined($env{'form.showallfoils'})) {
1859: $form_tag_start.=' checked="checked"';
1860: }
1861: $form_tag_start.= ' /> '
1862: .&mt('Show All Foils')
1863: .'</label>';
1864: }
1.417 www 1865: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1866: $form_tag_start.=&practice_problem_header();
1.417 www 1867: }
1.462 raeburn 1868: $form_tag_start.='<hr />';
1.479 raeburn 1869: } elsif (($env{'request.state'} ne "construct") &&
1870: ($Apache::lonhomework::type eq 'randomizetry') &&
1.546 raeburn 1871: ($status eq 'CAN_ANSWER') &&
1.549 raeburn 1872: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
1873: (!$env{'request.role.adv'})) {
1874: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.479 raeburn 1875: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1876: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1877: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries);
1878: }
1.324 albertel 1879:
1.159 albertel 1880: my $expression='$external::datestatus="'.$status.'";';
1881: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
1882: &Apache::run::run($expression,$safeeval);
1883: &Apache::lonxml::debug("Got $status");
1.324 albertel 1884:
1.159 albertel 1885: if (( $status eq 'CLOSED' ) ||
1886: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1887: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 1888: ( $status eq 'BANNED') ||
1.216 albertel 1889: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 1890: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 1891: ( $status eq 'NOTRESERVABLE') ||
1892: ( $status eq 'RESERVABLE') ||
1893: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 1894: ( $status eq 'INVALID_ACCESS') ||
1895: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 1896: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1897: $style);
1.561 raeburn 1898: if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
1899: $result .= '<p class="LC_error">'.
1900: &mt('A problem occurred when trying to start the timer.').'</p>';
1901: }
1.557 raeburn 1902: $result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);
1.324 albertel 1903: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1904: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1905: $style);
1.557 raeburn 1906: $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 1907: } elsif ($target eq 'web') {
1.508 raeburn 1908: if ($status eq 'CAN_ANSWER') {
1909: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
1910: if ($slot_name ne '') {
1.557 raeburn 1911: $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
1912: $env{'request.symb'});
1.508 raeburn 1913: }
1914: if ($resource_due) {
1915: my $time_left = $resource_due - time();
1916: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
1917: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
1918: }
1919: }
1920: }
1.368 albertel 1921: $result.="\n $form_tag_start \t".
1.227 albertel 1922: '<input type="hidden" name="submitted" value="yes" />';
1923: # create a page header and exit
1.284 albertel 1924: if ($env{'request.state'} eq "construct") {
1.544 damieng 1925: if ($env{'form.inhibitmenu'} eq 'yes') {
1926: # error messages can be useful in any case
1927: $result.= &Apache::lonxml::message_location();
1928: } else {
1.542 raeburn 1929: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1930: }
1.428 raeburn 1931: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 1932: $result.= '<button type="submit" name="resetdata" '.
1933: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
1934: &practice_problem_header().'<hr />';
1.428 raeburn 1935: }
1.227 albertel 1936: }
1937: # if we are viewing someone else preserve that info
1.284 albertel 1938: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1939: foreach my $field ('symb','courseid','domain','username') {
1940: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1941: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1942: }
1.479 raeburn 1943: foreach my $field ('trial','questiontype') {
1944: if ($env{"form.grade_$field"} ne '') {
1945: $result .= '<input type="hidden" name="grade_'.$field.
1946: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1947: }
1948: }
1.159 albertel 1949: }
1.490 raeburn 1950: if ($env{'form.grade_imsexport'}) {
1951: $result = '';
1952: }
1.159 albertel 1953: } elsif ($target eq 'tex') {
1.319 foxr 1954: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 1955: $result .= &select_metadata_hyphenation();
1.99 sakharuk 1956: }
1.159 albertel 1957: } elsif ($target eq 'edit') {
1.343 albertel 1958: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1959: $Apache::lonxml::warnings_error_header=
1960: &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 1961: my $temp=&Apache::edit::insertlist($target,$token);
1962: $result.=$temp;
1963: } elsif ($target eq 'modified') {
1964: $result=$token->[4];
1965: } else {
1966: # page_start returned a starting result, delete it if we don't need it
1967: $result = '';
1.99 sakharuk 1968: }
1.159 albertel 1969: return $result;
1.9 albertel 1970: }
1971:
1972: sub end_problem {
1.159 albertel 1973: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 1974: my $result;
1.310 foxr 1975:
1.321 albertel 1976: if (!$Apache::lonxml::metamode) {
1977: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 1978: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1979: }
1.319 foxr 1980:
1981: if ($target eq 'tex') {
1.321 albertel 1982: # Figure out the front matter and replace the
1983: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1984: # this in end_problem because whether or not we display due
1985: # dates depends on whether due dates have already been
1986: # displayed in the problem parts.
1987:
1.319 foxr 1988: my $frontmatter = '';
1989: my $startminipage = '';
1990: if (not $env{'form.problem_split'}=~/yes/) {
1991: $startminipage = '\begin{minipage}{\textwidth}';
1992: }
1993: my $id = $Apache::inputtags::part;
1994: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1995: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 1996: my @packages = split(/,/,$packages);
1.319 foxr 1997: my $allow_print_points = 0;
1998: foreach my $partial_key (@packages) {
1999: if ($partial_key=~m/^part_0$/) {
2000: $allow_print_points=1;
2001: }
2002: }
2003: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2004: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
2005: if (lc($env{'course.'.$env{'request.course.id'}.
2006: '.disableexampointprint'}) eq 'yes') {
2007: $allow_print_points=0;
2008: }
2009: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 2010: 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 2011: &clear_required_languages();
1.319 foxr 2012: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
2013: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
2014:
2015: # Figure out what the due date is and if we need to print
2016: # it in the problem header. We have been logging the
2017: # last due date written to file.
2018:
2019: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2020: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2021: my $duedate_text = &mt('Due date: [_1]'
2022: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2023: my $temp_file;
2024: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2025:
2026: # Figure out what the last printed due date is or set it
2027: # to the epoch if no duedates have been printed.
2028:
2029: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2030: if (-e $filename) {
2031: $temp_file = Apache::File->new($filename);
2032: my @due_file = <$temp_file>;
2033: $due_file_content = $due_file[$#due_file];
2034: chomp $due_file_content;
2035: }
2036:
2037: # We display the due date iff it is not the same as the last
2038: # duedate in problem header ($due_file_content), and
2039: # none of our parts displayed a duedate.
2040: #
2041: my $parts_with_displayduedate;
2042: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2043: $parts_with_displayduedate =
2044: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2045: } else {
2046: $parts_with_displayduedate = 0;
2047: }
2048: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2049: $temp_file = Apache::File->new('>'.$filename);
2050: print $temp_file "$duetime\n";
2051: if (not $env{'request.symb'} =~ m/\.page_/) {
2052: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2053: $frontmatter .= $begin_doc.
1.448 bisitz 2054: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2055: } else {
2056: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2057: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2058: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2059: }
1.319 foxr 2060: }
2061: } else {
1.448 bisitz 2062: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2063: }
2064: } else {
2065: if (not $env{'request.symb'} =~ m/\.page_/) {
2066: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2067: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2068: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2069: }
1.319 foxr 2070: } else {
1.381 albertel 2071: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2072: }
2073: }
2074: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
2075: }
2076:
1.159 albertel 2077: my $status=$Apache::inputtags::status['-1'];
2078: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2079: $target eq 'tex') {
1.249 albertel 2080: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2081: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2082: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2083: &Apache::inputtags::grade;
1.324 albertel 2084: } elsif ($status eq 'NEEDS_CHECKIN') {
2085: # no need to grade, and don't want to hide data
1.249 albertel 2086: } else {
2087: # move any submission data to .hidden
2088: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2089: }
1.159 albertel 2090: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2091: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2092: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2093: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2094: # if part is zero, no <part>s existed, so we need show the current
2095: # grading status
2096: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2097: $result.= $gradestatus;
2098: }
2099: if (
1.284 albertel 2100: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2101: ($target eq 'answer') || ($target eq 'tex')
2102: ) {
1.490 raeburn 2103: if (($target ne 'tex') &&
2104: ($env{'form.answer_output_mode'} ne 'tex') &&
2105: (!$env{'form.grade_imsexport'})) {
1.254 www 2106: $result.="</form>";
1.159 albertel 2107: }
2108: if ($target eq 'web') {
1.507 raeburn 2109: #
2110: # Closing </body></html> not added by end_page().
2111: # Added separately at end of this routine, after added
2112: # <script></script> so document will be valid xhtml.
2113: #
1.546 raeburn 2114: my $showdisc = 1;
1.547 raeburn 2115: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
2116: (!$env{'request.role.adv'})) {
2117: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 2118: $showdisc = 0;
1.547 raeburn 2119: my ($symb)= &Apache::lonnet::whichuser();
2120: if ($symb) {
2121: my $navmap = Apache::lonnavmaps::navmap->new();
2122: if (ref($navmap)) {
2123: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
2124: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 2125: # and there are no tries left
1.547 raeburn 2126: unless ($hastries) {
2127: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
2128: my ($score,$incomplete) =
2129: &Apache::lonplacementtest::check_completion(undef,undef,1);
2130: if (!$incomplete) {
2131: $result .= &Apache::lonplacementtest::showresult(1,1);
2132: } elsif ($incomplete < 100) {
2133: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
2134: }
2135: } else {
2136: # For Placement Tests score is displayed if test has just been completed
2137: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
2138: if (!$incomplete) {
2139: $result.= &Apache::lonplacementtest::showresult(1,1);
2140: }
2141: }
2142: }
2143: }
2144: }
1.546 raeburn 2145: }
2146: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 2147: 'notbody' => 1});
1.159 albertel 2148: } elsif ($target eq 'tex') {
1.178 sakharuk 2149: my $endminipage = '';
1.284 albertel 2150: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2151: $endminipage = '\end{minipage}';
2152: }
1.284 albertel 2153: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2154: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2155: } else {
1.262 sakharuk 2156: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2157: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2158: $result .= $endminipage.'\end{document} ';
2159: } else {
1.382 albertel 2160: $result .= $endminipage;
1.262 sakharuk 2161: }
1.159 albertel 2162: }
2163: }
2164: }
1.476 www 2165: if ($target eq 'web') {
2166: $result.=&Apache::functionplotresponse::init_script();
2167: }
1.159 albertel 2168: if ($target eq 'grade') {
2169: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2170: &finalize_storage();
2171: }
1.284 albertel 2172: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2173: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2174: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2175: # normally we get it from above, but in CSTR
1.172 albertel 2176: # we always show answer mode too.
1.159 albertel 2177: }
2178: } elsif ($target eq 'meta') {
2179: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2180: @Apache::inputtags::response=();
1.159 albertel 2181: $result=&Apache::response::mandatory_part_meta;
2182: }
1.559 raeburn 2183: $result.=&Apache::response::meta_part_order('problem');
1.258 albertel 2184: $result.=&Apache::response::meta_response_order();
1.159 albertel 2185: } elsif ($target eq 'edit') {
2186: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2187: $result .= &problem_edit_footer();
1.320 albertel 2188: } elsif ($target eq 'modified') {
2189: $result .= $token->[2];
1.159 albertel 2190: }
1.155 albertel 2191:
1.284 albertel 2192: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2193: &Apache::inputtags::check_for_duplicate_ids();
2194: }
1.204 albertel 2195:
2196: &reset_problem_globals('problem');
1.159 albertel 2197:
1.502 foxr 2198: #
2199: # This shouild be just above the return so that the
2200: # time put in the javascript is as late as possible in the
2201: # computation:
2202: #
2203: if ($target eq 'web') {
2204: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2205: #
2206: # Closing tags delayed so any <script></script> tags
2207: # not in head can appear inside body, for valid xhtml.
2208: #
2209: $result .= "</body>\n</html>";
1.502 foxr 2210: }
1.159 albertel 2211: return $result;
1.48 albertel 2212: }
2213:
1.108 albertel 2214:
1.48 albertel 2215: sub start_library {
1.159 albertel 2216: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2217: my ($result,$form_tag_start);
1.371 albertel 2218: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2219: &init_problem_globals('library');
2220: $Apache::lonhomework::type='problem';
2221: }
1.159 albertel 2222: if ($target eq 'edit') {
1.343 albertel 2223: ($result,$form_tag_start)=
2224: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2225: 'Edit');
2226: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2227: my $temp=&Apache::edit::insertlist($target,$token);
2228: $result.=$temp;
2229: } elsif ($target eq 'modified') {
2230: $result=$token->[4];
1.340 albertel 2231: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2232: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2233: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2234: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2235: ($result,$form_tag_start)=
2236: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2237: $name);
1.479 raeburn 2238: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2239: $result.=" \n $form_tag_start".
1.159 albertel 2240: '<input type="hidden" name="submitted" value="yes" />';
2241: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2242: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2243: $result.= '<button type="submit" name="resetdata" '.
2244: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2245: &practice_problem_header().'<hr />';
1.428 raeburn 2246: }
1.159 albertel 2247: }
2248: return $result;
1.48 albertel 2249: }
2250:
2251: sub end_library {
1.159 albertel 2252: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2253: my $result='';
2254: if ($target eq 'edit') {
2255: $result=&problem_edit_footer();
1.371 albertel 2256: } elsif ($target eq 'web'
2257: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2258: && $env{'request.state'} eq "construct") {
1.349 albertel 2259: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.558 raeburn 2260: } elsif ($target eq 'meta') {
1.559 raeburn 2261: $result.=&Apache::response::meta_part_order('library');
1.558 raeburn 2262: $result.=&Apache::response::meta_response_order();
1.159 albertel 2263: }
1.371 albertel 2264: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2265: &reset_problem_globals('library');
2266: }
1.159 albertel 2267: return $result;
1.197 www 2268: }
2269:
2270: sub start_definetag {
1.326 albertel 2271: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2272:
2273: my $result;
2274:
2275: my $name = $token->[2]->{'name'};
1.326 albertel 2276: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2277: if ($target eq 'web') {
2278: if ($name=~/^\//) {
2279: $result=
2280: '<br /><table class="LC_sty_end"><tr><th>'.
2281: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2282: } else {
2283: $result=
2284: '<br /><table class="LC_sty_begin"><tr><th>'.
2285: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2286: }
2287: $skip = &HTML::Entities::encode($skip, '<>&"');
2288: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2289: }
2290: return $result;
2291: }
2292:
2293: sub end_definetag {
2294: return '';
1.1 albertel 2295: }
2296:
2297: sub start_block {
1.201 albertel 2298: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2299:
2300: my $result;
1.1 albertel 2301:
1.339 albertel 2302: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2303: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2304: my $code = $token->[2]->{'condition'};
1.385 albertel 2305: if (defined($code) && $code ne '') {
1.137 albertel 2306: if (!$Apache::lonxml::default_homework_loaded) {
2307: &Apache::lonxml::default_homework_load($safeeval);
2308: }
1.131 albertel 2309: $result = &Apache::run::run($code,$safeeval);
2310: &Apache::lonxml::debug("block :$code: returned :$result:");
2311: } else {
2312: $result='1';
2313: }
2314: if ( ! $result ) {
1.201 albertel 2315: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2316: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2317: }
2318: $result='';
2319: } elsif ($target eq 'edit') {
2320: $result .=&Apache::edit::tag_start($target,$token);
2321: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2322: $token,40);
2323: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2324: } elsif ($target eq 'modified') {
2325: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2326: $safeeval,'condition');
2327: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2328: }
1.131 albertel 2329: return $result;
1.1 albertel 2330: }
2331:
2332: sub end_block {
1.167 www 2333: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2334: my $result;
2335: if ($target eq "edit") {
2336: $result.= &Apache::edit::tag_end($target,$token,'');
2337: }
2338: return $result;
2339: }
1.500 foxr 2340: #
2341: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2342: # ...
2343: # </languageblock>
2344: #
2345: # This declares the intent to provide content that can be rendered in the
2346: # set of languages in the include specificatino but not in the exclude
2347: # specification. If a currently preferred language is in the include list
2348: # the content in the <languageblock>...</languageblock> is rendered
2349: # If the currently preferred language is in the exclude list,
2350: # the content in the <languageblock>..></languageblock is not rendered.
2351: #
2352: # Pathalogical case handling:
2353: # - Include specified, without the preferred language but exclude specified
2354: # also without the preferred langauge results in rendering the block.
2355: # - Exclude specified without include and excluden not containing a
2356: # preferred language renders the block.
2357: # - Include and exclude both specifying the preferred language does not
2358: # render the block.
2359: # - If neither include/exclude is specified, the block gets rendered.
2360: #
2361: # This tag has no effect when target is in {edit, modified}
2362: #
1.167 www 2363: sub start_languageblock {
1.201 albertel 2364: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2365:
1.500 foxr 2366: my $result = '';
1.167 www 2367:
1.339 albertel 2368: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2369: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2370: my $include = $token->[2]->{'include'};
2371: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2372: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2373:
2374: # This should not even happen, since we should at least have the server language
2375:
2376: if (!$preferred_languages[0]) {
2377: $preferred_languages[0]='en';
2378: }
2379:
2380: # Now loop over all languages in order of preference
2381:
2382: my $render;
1.398 www 2383: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2384:
2385: # If neither include/nor exlude is present the block is going
2386: # to get rendered.
2387:
1.399 www 2388: my $found=0;
1.500 foxr 2389: $render=1;
2390:
2391: # If include is specified, don't render the block
2392: # unless the preferred language is included in the set.
2393:
1.398 www 2394: if ($include) {
1.500 foxr 2395: $render=0;
1.398 www 2396: foreach my $included_language (split(/\,/,$include)) {
2397: if ($included_language eq $preferred_language) {
1.500 foxr 2398: $render=1;
1.399 www 2399: $found=1;
1.500 foxr 2400: last; # Only need to find the first.
1.398 www 2401: }
2402: }
2403: }
1.500 foxr 2404: # Do we have an exclude argument?
2405: # If so, and one of the languages matches a preferred language
2406: # inhibit rendering the block. Note that in the pathalogical case the
2407: # author has specified a preferred language in both the include and exclude
2408: # attribte exclude is preferred.
2409:
1.398 www 2410: if ($exclude) {
1.500 foxr 2411: $render=1;
1.398 www 2412: foreach my $excluded_language (split(/\,/,$exclude)) {
2413: if ($excluded_language eq $preferred_language) {
1.500 foxr 2414: $render=0;
1.399 www 2415: $found=1;
1.500 foxr 2416: last; # Only need to find the first.
1.398 www 2417: }
2418: }
2419: }
1.500 foxr 2420: if ($found) {
2421: last; # Done on any match of include or exclude.
2422: }
1.398 www 2423: }
1.500 foxr 2424: # If $render not true skip the entire block until </languageblock>
2425: #
2426:
2427: if ( ! $render ) {
1.201 albertel 2428: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2429: $style);
2430: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2431: }
1.500 foxr 2432: # If $render is true, we've not skipped the contents of the <languageglock>
2433: # and the normal loncapa processing flow will render it as a matter of course.
2434:
1.167 www 2435: } elsif ($target eq 'edit') {
2436: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2437: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2438: $token,40);
1.211 albertel 2439: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2440: $token,40);
2441: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2442: } elsif ($target eq 'modified') {
2443: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2444: $safeeval,'include',
2445: 'exclude');
1.167 www 2446: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2447: }
2448: return $result;
2449: }
2450:
2451: sub end_languageblock {
1.170 www 2452: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2453: my $result;
1.201 albertel 2454: if ($target eq "edit") {
1.170 www 2455: $result.= &Apache::edit::tag_end($target,$token,'');
2456: }
2457: return $result;
2458: }
1.500 foxr 2459: # languagblock specific tags:
2460: {
2461: # For chunks of a resource that has translations, this hash contains
2462: # the translations available indexed by language name.
2463: #
2464:
2465: my %available_texts;
1.170 www 2466:
1.500 foxr 2467: # <translated> starts a block of a resource that has multiple translations.
2468: # See the <lang> tag as well.
2469: # When </translated> is encountered if there is a translation for the
2470: # currently preferred language, that is rendered inthe web/tex/webgrade
2471: # targets. Otherwise, the default text is rendered.
2472: #
2473: # Note that <lang> is only registered for the duration of the
2474: # <translated>...</translated> block
2475: #
2476: # Pathalogical case handling:
2477: # - If there is no <lang> that specifies a 'default' and there is no
2478: # translation that matches a preferred language, nothing is rendered.
2479: # - Nested <translated>...</translated> might be linguistically supported by
2480: # XML due to the stack nature of tag registration(?) however the rendered
2481: # output will be incorrect because there is only one %available_texts
2482: # has and end_translated clears it.
2483: # - Material outside of a <lang>...</lang> block within the
2484: # <translated>...<translated> block won't render either e.g.:
2485: # <translated>
2486: # The following will be in your preferred langauge:
2487: # <lang which='en'>
2488: # This section in english
2489: # </lang>
2490: # <lang which='sgeiso'>
2491: # Hier es ist auf Deutsch.
2492: # </lang>
2493: # <lang which='sfriso'>
2494: # En Francais
2495: # </lang>
2496: # </translated>
2497: #
2498: # The introductory text prior to the first <lang> tag is not rendered.
2499: #
1.397 albertel 2500: sub start_translated {
2501: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2502: &Apache::lonxml::register('Apache::structuretags',('lang'));
2503: undef(%available_texts);
2504: }
2505:
2506: sub end_translated {
2507: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2508: my $result;
2509: #show the translation on viewable targets
2510: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2511: # or non-viewable targets, if it's embedded in something that
2512: # wants the output
2513: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2514: && &Apache::lonxml::in_redirection() ) ) {
2515: my @possibilities = keys(%available_texts);
2516: my $which =
2517: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2518: if ($target eq 'tex') {
2519: $result = &select_hyphenation($which);
2520: }
2521: $result .= $available_texts{$which};
2522: if ($target eq 'tex') {
2523: $result .= &select_metadata_hyphenation(); # Restore original language.
2524: }
1.397 albertel 2525: }
2526: undef(%available_texts);
2527: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2528: return $result;
2529: }
2530:
1.500 foxr 2531: # <lang [which='language-name'] [other='lang1,lang2...']>
2532: # Specifies that the block contained within it is a translation
2533: # for a specific language specified by the 'which' attribute. The
2534: # 'other' attribute can be used by itself or in conjunction with
2535: # which to specify this tag _may_ be used as a translation for some
2536: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2537: # specifying that the block provides a translation for US (primary)
2538: # Canadian, Australian and UK Englush.
2539: #
2540: # Comment: this seems a bit silly why not just support a list of languages
2541: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2542: #
2543: # Effect:
2544: # The material within the <lang>..</lang> block is stored in the
2545: # specified set of $available_texts hash entries, the appropriate one
2546: # is selected at </translated> time.
2547: #
2548: # Pathalogical case handling:
2549: # If a language occurs multiple times within a <translated> block,
2550: # only the last one is rendered e.g.:
2551: #
2552: # <translated>
2553: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2554: # Red green color blindness is quite common affecting about 7.8% of
2555: # the male population, but onloy about .65% of the female population.
2556: # </lang>
2557: # Red green colour blindness is quite common affecting about 7.8% of
2558: # the male population, but onloy about .65% of the female population.
2559: # <lang which='seniso', other='senisoCA,senisoAU'>
2560: # </translated>
2561: #
2562: # renders the correct spelling of color (colour) for people who have specified
2563: # a preferred language that is one of the British Commonwealth languages
2564: # even though those are also listed as valid selections for the US english
2565: # <lang> block.
2566: #
1.397 albertel 2567: sub start_lang {
2568: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2569: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2570: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2571: &Apache::lonxml::startredirection();
2572: }
2573: return '';
2574: }
2575:
2576: sub end_lang {
2577: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2578: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2579: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2580: my $result = &Apache::lonxml::endredirection();
2581: my $which = &Apache::lonxml::get_param('which',$parstack,
2582: $safeeval);
1.431 raeburn 2583: if ($which=~/\w/) {
2584: $available_texts{$which} = $result;
2585: }
2586: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2587: $safeeval);
2588: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2589: if ($language=~/\w/) {
2590: $available_texts{$language} = $result;
2591: }
1.427 bisitz 2592: }
2593:
1.397 albertel 2594: }
2595: return '';
2596: }
1.500 foxr 2597: } # end langauge block specific tags.
2598:
1.397 albertel 2599:
1.170 www 2600: sub start_instructorcomment {
1.201 albertel 2601: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2602:
2603: my $result;
2604:
1.339 albertel 2605: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2606: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2607: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2608: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2609: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2610: $parser,$style);
1.170 www 2611: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2612: }
2613: $result='';
2614: } elsif ($target eq 'edit') {
2615: $result .=&Apache::edit::tag_start($target,$token);
2616: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2617: }
2618: return $result;
2619: }
2620:
2621: sub end_instructorcomment {
1.159 albertel 2622: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2623: my $result;
2624: if ($target eq "edit") {
2625: $result.= &Apache::edit::tag_end($target,$token,'');
2626: }
2627: return $result;
1.4 tsai 2628: }
2629:
2630: sub start_while {
1.326 albertel 2631: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2632:
1.160 albertel 2633: my $result;
1.339 albertel 2634: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2635: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2636: my $code = $token->[2]->{'condition'};
1.4 tsai 2637:
1.160 albertel 2638: push( @Apache::structuretags::whileconds, $code);
2639: if (!$Apache::lonxml::default_homework_loaded) {
2640: &Apache::lonxml::default_homework_load($safeeval);
2641: }
2642: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2643: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2644: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2645: push( @Apache::structuretags::whileline, $token->[5]);
2646: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2647: if ( $result ) {
2648: &Apache::lonxml::newparser($parser,\$bodytext);
2649: }
2650: } elsif ($target eq 'edit') {
2651: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2652: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2653: $token,40);
2654: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2655: } elsif ($target eq 'modified') {
2656: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2657: $safeeval,'condition');
2658: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2659: }
1.160 albertel 2660: return $result;
1.4 tsai 2661: }
2662:
2663: sub end_while {
1.159 albertel 2664: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2665: my $result;
2666:
1.339 albertel 2667: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2668: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2669: my $code = pop(@Apache::structuretags::whileconds);
2670: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2671: my $line = pop(@Apache::structuretags::whileline);
2672: my $return = &Apache::run::run($code,$safeeval);
2673: my $starttime=time;
2674: my $error=0;
2675: while ($return) {
2676: if (time-$starttime >
2677: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2678: $return = 0; $error=1; next;
1.161 albertel 2679: }
2680: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2681: if ($target eq 'grade' || $target eq 'answer' ||
2682: $target eq 'analyze') {
2683: # grade/answer/analyze should produce no output but if we
2684: # are redirecting, the redirecter should know what to do
2685: # with the output
2686: if (!$Apache::lonxml::redirection) { undef($result); }
2687: }
1.161 albertel 2688: $return = &Apache::run::run($code,$safeeval);
2689: }
1.516 bisitz 2690: if ($error) {
2691: &Apache::lonxml::error(
2692: '<pre>'
2693: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2694: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2695: .&mt('This occurred while running <while> on line [_1].',
2696: $line)
2697: .'</pre>');
2698: }
1.160 albertel 2699: } elsif ($target eq "edit") {
2700: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2701: }
1.160 albertel 2702: return $result;
1.1 albertel 2703: }
1.6 tsai 2704:
1.160 albertel 2705: # <randomlist show="1">
1.6 tsai 2706: # <tag1>..</tag1>
2707: # <tag2>..</tag2>
2708: # <tag3>..</tag3>
1.160 albertel 2709: # ...
1.6 tsai 2710: # </randomlist>
2711: sub start_randomlist {
1.326 albertel 2712: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2713: my $result;
1.339 albertel 2714: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2715: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2716: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2717: my $b_parser= HTML::LCParser->new(\$body);
2718: $b_parser->xml_mode(1);
2719: $b_parser->marked_sections(1);
1.159 albertel 2720: my $b_tok;
2721: my @randomlist;
2722: my $list_item;
2723: while($b_tok = $b_parser->get_token() ) {
2724: if($b_tok->[0] eq 'S') { # start tag
2725: # get content of the tag until matching end tag
2726: # get all text upto the matching tag
2727: # and push the content into @randomlist
2728: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2729: $b_parser);
2730: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2731: push(@randomlist,$list_item);
2732: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2733: # $list_item</b>";
2734: }
2735: if($b_tok->[0] eq 'T') { # text
2736: # what to do with text in between tags?
2737: # print "<b>TEXT $b_tok->[1]</b><br />";
2738: }
2739: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2740: # print "<b>END-TAG $b_tok->[1]</b><br />";
2741: # }
2742: }
1.303 albertel 2743: if (@randomlist) {
2744: my @idx_arr = (0 .. $#randomlist);
1.555 raeburn 2745: if ($env{'form.code_for_randomlist'}) {
2746: &Apache::structuretags::shuffle(\@idx_arr,$target);
2747: undef($env{'form.code_for_randomlist'});
2748: } else {
2749: &Apache::structuretags::shuffle(\@idx_arr);
2750: }
1.303 albertel 2751: my $bodytext = '';
2752: my $show=$#randomlist;
2753: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2754: $showarg--;
2755: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2756: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2757: my @currlist;
2758: my $part = $Apache::inputtags::part;
2759: if ($part ne '') {
2760: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2761: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2762: if (!(grep(/^\Q$part\E$/,@currlist))) {
2763: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2764: }
2765: } else {
2766: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2767: }
2768: }
2769: }
1.526 raeburn 2770: for my $i (0 .. $show) {
2771: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2772: }
2773: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2774: }
2775: } elsif ($target eq 'edit' ) {
2776: $result .=&Apache::edit::tag_start($target,$token);
2777: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2778: $token,5);
2779: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2780: } elsif ($target eq 'modified' ) {
2781: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2782: $safeeval,'show');
2783: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2784: }
2785: return $result;
1.7 tsai 2786: }
2787:
2788: sub shuffle {
1.555 raeburn 2789: my ($a,$target) = @_;
1.7 tsai 2790: my $i;
1.303 albertel 2791: if (ref($a) eq 'ARRAY' && @$a) {
1.555 raeburn 2792: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2793: for($i=@$a;--$i;) {
2794: my $j=int(&Math::Random::random_uniform() * ($i+1));
2795: next if $i == $j;
2796: @$a[$i,$j] = @$a[$j,$i];
2797: }
1.251 albertel 2798: &Apache::response::poprandomnumber();
1.7 tsai 2799: }
1.6 tsai 2800: }
2801:
2802: sub end_randomlist {
1.159 albertel 2803: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2804: my $result;
2805: if ($target eq 'edit' ) {
2806: $result=&Apache::edit::tag_end($target,$token,
2807: 'End Randomly Parsed Block');
2808: }
2809: return $result;
1.6 tsai 2810: }
2811:
1.283 albertel 2812: sub ordered_show_check {
2813: my $last_part=$Apache::inputtags::partlist[-2];
2814: my $in_order=
2815: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2816: my $in_order_show=1;
2817: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2818: $in_order_show=&Apache::response::check_status($last_part);
2819: }
2820: return $in_order_show;
2821: }
2822:
1.469 www 2823:
2824: sub start_startpartmarker {
2825: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2826: my $result='';
2827: if ($target eq 'edit') {
2828: $result=&Apache::edit::tag_start($target,$token);
2829: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2830: $result.=&Apache::edit::end_table();
2831:
2832: }
2833: return $result;
2834: }
2835:
2836: sub end_startpartmarker {
2837: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2838: my @result;
2839: if ($target eq 'edit') { $result[1]='no'; }
2840: return @result;
2841: }
2842:
2843: sub start_endpartmarker {
2844: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2845: my $result='';
2846: if ($target eq 'edit') {
2847: $result=&Apache::edit::tag_start($target,$token);
2848: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
2849: $result.=&Apache::edit::end_table();
2850:
2851: }
2852: return $result;
2853: }
2854:
2855: sub end_endpartmarker {
2856: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2857: my @result;
2858: if ($target eq 'edit') { $result[1]='no'; }
2859: return @result;
2860: }
2861:
2862:
2863:
2864:
2865:
1.11 albertel 2866: sub start_part {
1.326 albertel 2867: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 2868: if (!$Apache::lonxml::metamode) {
2869: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
2870: # duedates.
2871: }
1.159 albertel 2872: my $result='';
1.386 albertel 2873: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 2874: $Apache::inputtags::part=$id;
1.177 albertel 2875: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 2876: $Apache::inputtags::leniency='';
1.177 albertel 2877: @Apache::inputtags::response=();
1.159 albertel 2878: @Apache::inputtags::previous=();
2879: @Apache::inputtags::previous_version=();
1.405 albertel 2880: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 2881: &Apache::response::reset_params();
2882:
1.159 albertel 2883: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 2884: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
2885: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 2886: if ($Apache::lonhomework::type eq 'randomizetry') {
2887: my $rndseed=&setup_rndseed($safeeval,$target);
2888: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2889: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 2890: }
2891: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2892: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 2893: }
1.283 albertel 2894: my $in_order_show=&ordered_show_check();
1.214 albertel 2895: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 2896: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 2897: &Apache::run::run($expression,$safeeval);
1.159 albertel 2898:
2899: if ($target eq 'meta') {
1.224 www 2900: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
2901: return &Apache::response::mandatory_part_meta.
2902: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 2903: } elsif ($target eq 'web' || $target eq 'grade' ||
2904: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 2905: if ($hidden || !$in_order_show) {
1.326 albertel 2906: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 2907: } else {
2908: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
2909: push (@Apache::inputtags::status,$status);
2910: my $expression='$external::datestatus="'.$status.'";';
2911: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
2912: &Apache::run::run($expression,$safeeval);
1.284 albertel 2913: if ($env{'request.state'} eq 'construct') {
1.241 albertel 2914: &set_problem_state($Apache::inputtags::part);
1.240 albertel 2915: }
1.216 albertel 2916: if (( $status eq 'CLOSED' ) ||
2917: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2918: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 2919: ( $status eq 'BANNED') ||
2920: ( $status eq 'UNAVAILABLE') ||
2921: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 2922: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
2923: $style);
1.159 albertel 2924: if ( $target eq "web" ) {
1.211 albertel 2925: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 2926: } elsif ( $target eq 'tex' ) {
1.284 albertel 2927: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 2928: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 2929: } else {
1.211 albertel 2930: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 2931: }
1.159 albertel 2932: }
2933: } else {
2934: if ($target eq 'tex') {
1.284 albertel 2935: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 2936: if ($$tagstack[-2] eq 'td') {
1.388 foxr 2937: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 2938: } else {
2939: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
2940: }
1.195 sakharuk 2941: }
1.159 albertel 2942: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 2943: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2944: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 2945: my $allow_print_points = 0;
2946: foreach my $partial_key (@allkeys) {
1.230 albertel 2947: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 2948: if ($1 ne '0') {$allow_print_points=1;}
2949: }
2950: }
1.275 albertel 2951: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2952: if (defined($maxtries) && $maxtries < 0) {
2953: $allow_print_points=0;
2954: }
1.302 albertel 2955: if (lc($env{'course.'.$env{'request.course.id'}.
2956: '.disableexampointprint'}) eq 'yes') {
2957: $allow_print_points=0;
2958: }
1.463 foxr 2959: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 2960: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2961:
2962: }
1.233 www 2963: } elsif ($target eq 'web') {
1.479 raeburn 2964: if ($status eq 'CAN_ANSWER') {
2965: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2966: my $probrandomize = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].type");
2967: my $probrandtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].randomizeontries");
2968: my $num = scalar(@Apache::inputtags::partlist)-1;
2969: if ($probrandomize eq 'randomizetry') {
2970: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") ne 'randomizetry') {
2971: $result .= &randomizetry_part_header($problemstatus,'none',$num);
2972: } else {
2973: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2974: if ($probrandtries ne $reqtries) {
2975: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2976: }
2977: }
2978: } elsif (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") eq 'randomizetry') {
2979: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2980: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2981: }
2982: }
1.475 raeburn 2983: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 2984: }
2985: }
2986: }
2987: } elsif ($target eq 'edit') {
2988: $result.=&Apache::edit::tag_start($target,$token);
2989: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
2990: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 2991: ' '.
2992: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 2993: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
2994: } elsif ($target eq 'modified') {
2995: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 2996: $safeeval,'id','display');
1.159 albertel 2997: if ($constructtag) {
1.225 albertel 2998: #limiting ids to only letters numbers, and space
1.224 www 2999: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 3000: $result = &Apache::edit::rebuild_tag($token);
3001: }
3002: }
3003: return $result;
1.11 albertel 3004: }
3005:
3006: sub end_part {
1.159 albertel 3007: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3008: &Apache::lonxml::debug("in end_part $target ");
3009: my $status=$Apache::inputtags::status['-1'];
3010: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 3011: my $in_order_show=&ordered_show_check();
1.321 albertel 3012: my $result;
3013: if (!$Apache::lonxml::metamode) {
3014: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 3015: $Apache::lonxml::post_evaluate=0;
1.321 albertel 3016: }
1.312 albertel 3017: if ($target eq 'grade') {
1.249 albertel 3018: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 3019: !$hidden && $in_order_show) {
1.311 foxr 3020: $result.=&Apache::inputtags::grade;
1.249 albertel 3021: } else {
3022: # move any submission data to .hidden
3023: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3024: }
1.283 albertel 3025: } elsif (($target eq 'web' || $target eq 'tex') &&
3026: !$hidden && $in_order_show) {
1.159 albertel 3027: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3028: $target);
1.490 raeburn 3029: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3030: ($env{'form.grade_imsexport'})) {
1.212 albertel 3031: $gradestatus='';
3032: }
1.311 foxr 3033: $result.=$gradestatus;
1.265 sakharuk 3034: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 3035: } elsif ($target eq 'edit') {
1.311 foxr 3036: $result.=&Apache::edit::end_table();
1.322 albertel 3037: } elsif ($target eq 'modified') {
3038: $result .= $token->[2];
1.159 albertel 3039: }
3040: pop @Apache::inputtags::status;
3041: $Apache::inputtags::part='';
1.536 raeburn 3042: $Apache::inputtags::leniency='';
1.295 albertel 3043: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3044: return $result;
1.11 albertel 3045: }
1.1 albertel 3046:
1.25 albertel 3047: sub start_preduedate {
1.326 albertel 3048: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3049: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3050: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3051: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3052: if (!$Apache::lonhomework::scantronmode &&
3053: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3054: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3055: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3056: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3057: }
1.24 albertel 3058: }
1.159 albertel 3059: return '';
1.24 albertel 3060: }
3061:
1.25 albertel 3062: sub end_preduedate {
1.159 albertel 3063: return '';
1.24 albertel 3064: }
3065:
1.369 foxr 3066: # In all the modes where <postanswerdate> text is
3067: # displayable, all we do is eat up the text between the start/stop
3068: # tags if the conditions are not right to display it.
1.25 albertel 3069: sub start_postanswerdate {
1.326 albertel 3070: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3071: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3072: &Apache::lonnet::allowed('pav',
3073: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3074: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3075: $target eq 'tex' ) {
1.300 albertel 3076: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3077: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3078: (($target eq 'tex') && !$pav)) {
1.326 albertel 3079: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3080: }
3081: }
3082: return '';
1.24 albertel 3083: }
3084:
1.25 albertel 3085: sub end_postanswerdate {
1.159 albertel 3086: return '';
1.24 albertel 3087: }
3088:
1.25 albertel 3089: sub start_notsolved {
1.326 albertel 3090: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3091: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3092: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3093: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3094: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3095: if ($gradestatus =~ /^correct/ &&
3096: &Apache::response::show_answer()) {
1.159 albertel 3097: &Apache::lonxml::debug("skipping");
1.326 albertel 3098: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3099: }
1.24 albertel 3100: }
1.159 albertel 3101: return '';
1.24 albertel 3102: }
3103:
1.25 albertel 3104: sub end_notsolved {
1.159 albertel 3105: return '';
1.24 albertel 3106: }
3107:
3108: sub start_solved {
1.326 albertel 3109: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3110: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3111: $target eq 'tex') {
3112: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3113: if ($gradestatus !~ /^correct/ ||
3114: !&Apache::response::show_answer()) {
1.326 albertel 3115: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3116: }
1.24 albertel 3117: }
1.159 albertel 3118: return '';
1.24 albertel 3119: }
3120:
3121: sub end_solved {
1.248 albertel 3122: return '';
3123: }
3124:
3125: sub start_problemtype {
1.326 albertel 3126: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3127: my $result;
1.339 albertel 3128: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3129: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3130: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3131: if (!defined($mode)) { $mode='show'; }
3132: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3133: my $found=0;
3134: foreach my $type (split(',',$for)) {
3135: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3136: }
3137: if ($mode eq 'show' && !$found) {
1.326 albertel 3138: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3139: }
3140: if ($mode eq 'hide' && $found) {
1.326 albertel 3141: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3142: }
3143: } elsif ($target eq 'edit') {
3144: $result .=&Apache::edit::tag_start($target,$token);
3145: $result.=&Apache::edit::select_arg('Mode:','mode',
3146: [['show','Show'],
3147: ['hide','Hide']]
3148: ,$token);
3149: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 3150: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 3151: ['survey','Survey'],
1.465 raeburn 3152: ['surveycred','Survey (with credit)'],
3153: ['anonsurvey','Anonymous Survey'],
3154: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3155: ['problem','Homework Problem'],
1.479 raeburn 3156: ['practice','Practice Problem'],
3157: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3158: ,$token);
3159: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3160: } elsif ($target eq 'modified') {
3161: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3162: $safeeval,'mode','for');
3163: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3164: }
3165: return $result;
3166: }
3167:
3168: sub end_problemtype {
1.159 albertel 3169: return '';
1.24 albertel 3170: }
1.34 albertel 3171:
3172: sub start_startouttext {
1.159 albertel 3173: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3174: my @result=(''.'');
3175: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3176:
3177: my $nesting =
3178: &Apache::lonxml::set_state('outtext',
3179: &Apache::lonxml::get_state('outtext')+1);
3180: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3181: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3182: }
1.159 albertel 3183: return (@result);
1.34 albertel 3184: }
1.159 albertel 3185:
1.34 albertel 3186: sub end_startouttext {
1.326 albertel 3187: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3188: my $result='';
3189: my $text='';
3190: if ($target eq 'edit') {
1.424 foxr 3191: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3192: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3193: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3194: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3195: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3196: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3197: .'</span></td>'
1.550 raeburn 3198: .'<td><span id="math_'.$areaid.'">';
3199: if ($env{'environment.nocodemirror'}) {
3200: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3201: } else {
3202: $result.=' ';
3203: }
3204: $result.='</span></td>'
1.474 raeburn 3205: .'<td>'
3206: .&Apache::edit::insertlist($target,$token)
3207: .'</td>'
1.515 golterma 3208: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3209: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3210: &Apache::edit::end_row().
1.362 albertel 3211: &Apache::edit::start_spanning_row()."\n".
1.255 www 3212: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3213: }
3214: if ($target eq 'modified') {
1.219 albertel 3215: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3216: }
3217: if ($target eq 'tex') {
3218: $result .= '\noindent ';
3219: }
3220: return $result;
1.34 albertel 3221: }
1.159 albertel 3222:
1.34 albertel 3223: sub start_endouttext {
1.159 albertel 3224: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3225: my $result='';
3226: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3227: if ($target eq "modified") {
3228: $result='<endouttext />'.
1.377 albertel 3229: &Apache::edit::handle_insertafter('startouttext');
3230: }
1.404 albertel 3231:
3232: my $nesting =
3233: &Apache::lonxml::set_state('outtext',
3234: &Apache::lonxml::get_state('outtext')-1);
3235: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3236: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3237: &Apache::lonxml::set_state('outtext', 0);
3238: }
1.159 albertel 3239: return $result;
1.34 albertel 3240: }
1.159 albertel 3241:
1.34 albertel 3242: sub end_endouttext {
1.159 albertel 3243: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3244: my @result=('','');
3245: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3246: return (@result);
1.34 albertel 3247: }
1.159 albertel 3248:
1.45 albertel 3249: sub delete_startouttext {
1.326 albertel 3250: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3251: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3252: my $text=$$parser['-1']->get_text("/endouttext");
3253: my $ntoken=$$parser['-1']->get_token();
3254: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3255: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3256: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3257: # they did the last time round
3258: &Apache::lonxml::increasedepth($ntoken);
3259: &Apache::lonxml::decreasedepth($ntoken);
3260: return 1;
1.193 www 3261: }
3262:
3263: sub start_simpleeditbutton {
3264: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3265: my $result='';
1.284 albertel 3266: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3267: ($target eq 'web') &&
1.330 albertel 3268: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3269: my $url=$env{'request.noversionuri'};
1.193 www 3270: $url=~s/\?.*$//;
1.367 albertel 3271: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3272: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3273: # $result='<p class="LC_warning">'
3274: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3275: # .&Apache::loncommon::help_open_topic('Caching')
3276: # .'</p>';
1.486 www 3277: $result.=&Apache::loncommon::head_subbox(
3278: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3279: .&Apache::lonhtmlcommon::add_item_funclist(
3280: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3281: .&mt('Edit').'</a>')
1.486 www 3282: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3283:
1.193 www 3284: }
3285: return $result;
3286: }
3287:
3288: sub end_simpleeditbutton {
3289: return '';
1.45 albertel 3290: }
1.34 albertel 3291:
1.428 raeburn 3292: sub practice_problem_header {
1.556 raeburn 3293: return '<h3 class="LC_info">'.&mt('Practice Problem').'</h3>'.
1.428 raeburn 3294: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3295: '</span>';
3296: }
3297:
1.479 raeburn 3298: sub randomizetry_problem_header {
3299: my ($problemstatus,$reqtries) = @_;
3300: my ($header,$text);
3301: if ($reqtries > 1) {
3302: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3303: if (($problemstatus eq 'no') ||
3304: ($problemstatus eq 'no_feedback_ever')) {
3305: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3306: } else {
3307: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3308: }
3309: } else {
3310: $header = &mt('New Problem Variation Each Try');
3311: if (($problemstatus eq 'no') ||
3312: ($problemstatus eq 'no_feedback_ever')) {
3313: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3314:
3315: } else {
3316: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3317: }
3318: }
1.556 raeburn 3319: return '<h3 class="LC_info">'.$header.'</h3>'.
1.479 raeburn 3320: '<span class="LC_info">'.$text.'</span><hr />';
3321: }
3322:
3323: sub randomizetry_part_header {
3324: my ($problemstatus,$reqtries,$num) = @_;
3325: my ($header,$text);
3326: if ($reqtries eq 'none') {
3327: $header = &mt('No Question Variation');
3328: $text = &mt('For this question there will no new variation after a try.');
3329: } elsif ($reqtries > 1) {
3330: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3331: if (($problemstatus eq 'no') ||
3332: ($problemstatus eq 'no_feedback_ever')) {
3333: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3334: } else {
3335: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3336: }
3337: } else {
3338: $header = &mt('New Question Variation For Each Try');
3339: if (($problemstatus eq 'no') ||
3340: ($problemstatus eq 'no_feedback_ever')) {
3341: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3342: } else {
3343: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3344: }
3345: }
3346: my $output;
3347: if ($num > 1) {
3348: $output .= '<hr />';
3349: }
1.556 raeburn 3350: $output .= '<h4 class="LC_info">'.$header.'</h4>'.
1.479 raeburn 3351: '<span class="LC_info">'.$text.'</span><br /><br />';
3352: return $output;
3353: }
3354:
1.1 albertel 3355: 1;
3356: __END__
1.435 jms 3357:
3358: =pod
3359:
3360: =back
3361:
3362: =cut
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