Annotation of loncom/homework/structuretags.pm, revision 1.564
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.564 ! raeburn 4: # $Id: structuretags.pm,v 1.563 2019/08/11 12:27:11 raeburn Exp $
1.74 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.254 www 28: ###
1.54 www 29:
1.435 jms 30: =pod
31:
32: =head1 NAME
33:
34: Apache::structuretags
35:
36: =head1 SYNOPSIS
37:
38:
39: This is part of the LearningOnline Network with CAPA project
40: described at http://www.lon-capa.org.
41:
42:
43: =head1 NOTABLE SUBROUTINES
44:
45: =over
46:
47: =item
48:
49: =back
50:
51: =cut
52:
1.133 sakharuk 53:
1.1 albertel 54: package Apache::structuretags;
55:
56: use strict;
57: use Apache::lonnet;
1.101 sakharuk 58: use Apache::File();
1.147 www 59: use Apache::lonmenu;
1.210 albertel 60: use Apache::lonlocal;
1.231 sakharuk 61: use Apache::lonxml;
1.434 foxr 62: use Apache::londefdef;
1.338 albertel 63: use Apache::lonenc();
1.500 foxr 64: use Apache::loncommon();
1.267 albertel 65: use Time::HiRes qw( gettimeofday tv_interval );
1.356 www 66: use lib '/home/httpd/lib/perl/';
67: use LONCAPA;
68:
1.78 harris41 69: BEGIN {
1.553 damieng 70: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','print','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startpartmarker','startouttext','endpartmarker','endouttext','simpleeditbutton','definetag'));
1.10 albertel 71: }
72:
1.500 foxr 73:
74: #---------------------------------------------------------------------------------
75: #
76: # This section of code deals with hyphenation management.
77: # We must do three things:
78: # - keep track fo the desired languages to alter the header.
79: # - provide hyphenation selection as needed by each language that appears in the
80: # text.
81: # - Provide the header text needed to make available the desired hyphenations.
82: #
83: #
84:
85: # Hash whose keys are the languages encountered in the document/resource.
86: #
87:
88: my %languages_required;
89: ##
90: # Given a language selection as input returns a chunk of LaTeX that
91: # selects the required hyphenator.
92: #
93: # @param language - the language being selected.
94: # @return string
95: # @retval The LaTeX needed to select the hyphenation appropriate to the language.
96: #
97: sub select_hyphenation {
98: my $language = shift;
99:
100: $language = &Apache::loncommon::latexlanguage($language); # Translate -> latex language.
101:
102: # If there is no latex language there's not much we can do:
103:
104: if ($language) {
105: &require_language($language);
106: my $babel_hyphenation = "\\selectlanguage{$language}";
107:
108: return $babel_hyphenation;
109: } else {
110: return '';
111: }
112: }
113: ##
114: # Selects hyphenation based on the current problem metadata.
115: # This requires that
116: # - There is a language metadata item set for the problem.
117: # - The language has a latex/babel hyphenation.
118: #
119: # @note: Uses &Apache::lonxml::request to locate the Uri associated with
120: # this problem.
121: # @return string (possibly empty).
122: # @retval If not empty an appropriate \selectlanguage{} directive.
123: #
124: sub select_metadata_hyphenation {
125: my $uri = $Apache::lonxml::request->uri;
126: my $language = &Apache::lonnet::metadata($uri, 'language');
127: my $latex_language = &Apache::loncommon::latexhyphenation($language);
128: if ($latex_language) {
129: return '\selectlanguage{'.$latex_language."}\n";
130: }
131: return ''; # no latex hyphenation or no lang metadata.
132: }
133:
134:
135: ##
136: # Clears the set of languages required by the document being rendered.
137: #
138: sub clear_required_languages {
139: %languages_required = ();
140: }
141: ##
142: # Allows an external client of this module to register a need for a language:
143: #
144: # @param LaTeX language required:
145: #
146: sub require_language {
147: my $language = shift;
148: $languages_required{$language} = 1;
149: }
150:
151: ##
152: # Provides the header for babel that indicates the languages
153: # the document requires.
154: # @return string
155: # @retval \usepackage[lang1,lang2...]{babel}
156: # @retval '' if there are no languages_required.
157: sub languages_header {
158: my $header ='';
159: my @languages = (keys(%languages_required));
160:
161: # Only generate the header if there are languages:
162:
163: if (scalar @languages) {
164: my $language_list = join(',', (@languages));
165: $header = '\usepackage['.$language_list."]{babel}\n";
166: }
167: return $header;
168: }
169:
170: #----------------------------------------------------------------------------------
171:
1.10 albertel 172: sub start_web {
1.326 albertel 173: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.383 albertel 174: if ($target ne 'edit' && $target ne 'modified') {
175: my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style);
176: if ($target eq 'web' || $target eq 'webgrade') {
177: return $bodytext;
178: }
179: } elsif ($target eq "edit" ) {
180: my $bodytext =
181: &Apache::lonxml::get_all_text_unbalanced("/web",$parser);
182: my $result = &Apache::edit::tag_start($target,$token);
183: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
184: return $result;
185: } elsif ( $target eq "modified" ) {
186: return $token->[4].&Apache::edit::modifiedfield("/web",$parser);
1.159 albertel 187: }
188: return '';
1.10 albertel 189: }
190:
191: sub end_web {
1.44 ng 192: return '';
1.10 albertel 193: }
194:
1.553 damieng 195: sub start_print {
196: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
197: if ($target ne 'edit' && $target ne 'modified') {
198: if ($target ne 'tex') {
199: my $skip = &Apache::lonxml::get_all_text("/print",$parser,$style);
200: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
201: }
202: } elsif ($target eq "edit") {
203: my $bodytext = &Apache::lonxml::get_all_text_unbalanced("/print",$parser);
204: my $result = &Apache::edit::tag_start($target,$token);
205: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
206: return $result;
207: } elsif ($target eq "modified") {
208: return $token->[4].&Apache::edit::modifiedfield("/print",$parser);
209: }
210: return '';
211: }
212:
213: sub end_print {
214: return '';
215: }
216:
1.10 albertel 217: sub start_tex {
1.326 albertel 218: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.198 sakharuk 219: my $result='';
1.383 albertel 220: if ($target ne 'edit' && $target ne 'modified') {
221: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
222: if ($target eq 'tex') {
1.434 foxr 223:
224: # If inside a table, occurrences of \\ must be removed;
225: # else the table blows up.
226:
227: if (&Apache::londefdef::is_inside_of($tagstack, "table")) {
228: $bodytext =~ s/\\\\//g;
229: }
1.432 foxr 230: return $bodytext.'{}';
1.383 albertel 231: }
232: } elsif ($target eq "edit" ) {
233: my $bodytext =
234: &Apache::lonxml::get_all_text_unbalanced("/tex",$parser);
235: my $result = &Apache::edit::tag_start($target,$token);
236: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
237: return $result;
238: } elsif ( $target eq "modified" ) {
239: return $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
1.159 albertel 240: }
1.198 sakharuk 241: return $result;;
1.10 albertel 242: }
243:
244: sub end_tex {
1.44 ng 245: return '';
1.9 albertel 246: }
247:
1.400 albertel 248: sub homework_js {
1.531 raeburn 249: my ($postsubmit,$timeout);
250: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
1.546 raeburn 251: my $crstype = &Apache::loncommon::course_type();
252: if ($crstype eq 'Community') {
1.531 raeburn 253: $crstype = 'community';
1.546 raeburn 254: } elsif ($crstype eq 'Placement') {
255: $crstype = 'placement';
1.531 raeburn 256: } else {
257: if ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) {
258: $crstype = 'official';
259: } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.textbook'}) {
260: $crstype = 'textbook';
261: } else {
262: $crstype = 'unofficial';
263: }
264: }
265: $postsubmit = $env{'course.'.$env{'request.course.id'}.'.internal.postsubmit'};
266: if ($postsubmit eq '') {
267: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
268: $postsubmit = $domdefs{'postsubmit'};
269: unless ($postsubmit eq 'off') {
270: $timeout = $domdefs{$crstype.'postsubtimeout'};
271: }
272: } elsif ($postsubmit eq '0') {
273: $postsubmit = 'off';
274: } elsif ($postsubmit eq '1') {
275: $postsubmit = 'on';
276: $timeout = $env{'course.'.$env{'request.course.id'}.'.internal.postsubtimeout'};
277: if ($timeout eq '') {
278: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
279: $timeout = $domdefs{$crstype.'postsubtimeout'};
280: }
281: }
282: if ($timeout eq '') {
283: $timeout = 60;
284: }
285: } else {
286: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'request.role.domain'});
287: $postsubmit = $domdefs{'postsubmit'};
288: unless ($postsubmit eq 'off') {
289: $timeout = 60;
290: }
291: }
292: my $jstimeout = 0;
293: if ($timeout) {
294: $jstimeout = 1000 * $timeout;
295: }
1.400 albertel 296: return &Apache::loncommon::resize_textarea_js().
1.527 golterma 297: &Apache::loncommon::colorfuleditor_js().
1.416 raeburn 298: &setmode_javascript().
1.531 raeburn 299: <<"JS";
1.400 albertel 300: <script type="text/javascript">
1.483 raeburn 301: // <![CDATA[
1.494 raeburn 302: function setSubmittedPart (part,prefix) {
303: if (typeof(prefix) == 'undefined') {
304: this.document.lonhomework.submitted.value="part_"+part;
305: } else {
306: for (var i=0;i<this.document.lonhomework.elements.length;i++) {
307: if (this.document.lonhomework.elements[i].name == prefix+'submitted') {
308: this.document.lonhomework.elements[i].value="part_"+part;
309: }
310: }
311: }
1.400 albertel 312: }
313:
1.532 raeburn 314: function disableAutoComplete (id) {
315: var field = document.getElementById(id);
316: if (field != null && field != undefined){
317: if ('autocomplete' in field) {
318: field.autocomplete = "off";
319: } else {
320: field.setAttribute("autocomplete", "off");
321: }
322: }
323: }
324:
1.400 albertel 325: function image_response_click (which, e) {
326: init_geometry();
327: if (!e) { e = window.event; } //IE
328: var input_element = document.lonhomework.elements[which];
1.401 albertel 329: var token_element = document.lonhomework.elements[which+'_token'];
1.400 albertel 330: var token = token_element.value;
1.401 albertel 331: var img_element = document.getElementById(which+'_imageresponse');
1.400 albertel 332: var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
333: var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
334: var click = x+':'+y;
335: input_element.value = click;
1.485 raeburn 336: img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
1.400 albertel 337: }
1.520 raeburn 338:
339: var submithandled = 0;
1.521 raeburn 340: var keypresshandled = 0;
1.531 raeburn 341: var postsubmit = '$postsubmit';
1.520 raeburn 342:
1.531 raeburn 343: \$(document).ready(function(){
344: if (postsubmit != 'off') {
345: \$(document).keypress(function(event){
1.521 raeburn 346: var keycode = (event.keyCode ? event.keyCode : event.which);
347: if ((keycode == '13') && (keypresshandled == 0)) {
1.531 raeburn 348: if ( \$( document.activeElement ).hasClass("LC_textline") ) {
1.521 raeburn 349: keypresshandled = 1;
1.531 raeburn 350: var idsArray = \$( document.activeElement ).attr("id").split(/HWVAL_/);
1.521 raeburn 351: if (idsArray.length) {
352: event.preventDefault();
353: var itemsArray = idsArray[1].split(/_/);
354: var buttonId = idsArray[0]+'submit_'+itemsArray[0];
1.531 raeburn 355: \$("#"+buttonId).trigger("click");
1.521 raeburn 356: }
357: }
358: }
359: });
360:
1.531 raeburn 361: \$(document).delegate('form :submit', 'click', function( event ) {
362: if ( \$( this ).hasClass( "LC_hwk_submit" ) ) {
1.520 raeburn 363: var buttonId = this.id;
1.531 raeburn 364: var timeout = $jstimeout;
1.520 raeburn 365: if (submithandled == 0) {
366: submithandled = 1;
1.531 raeburn 367: \$( "#msg_"+buttonId ).css({"display": "inline","background-color": "#87cefa",
1.521 raeburn 368: "color": "black","padding": "2px"}) ;
1.563 raeburn 369: if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
1.522 raeburn 370: if (buttonId != "all_submit") {
1.531 raeburn 371: \$( ".LC_status_"+buttonId ).hide();
1.563 raeburn 372: }
373: if (( "#"+buttonId+"_pressed" ).length) {
374: \$( "#"+buttonId+"_pressed" ).val( "1" );
1.520 raeburn 375: }
1.522 raeburn 376: } else {
1.531 raeburn 377: \$( ".LC_status_"+buttonId ).hide();
1.520 raeburn 378: }
1.531 raeburn 379: \$(this.form).submit();
380: \$( ".LC_hwk_submit" ).prop( "disabled", true);
381: \$( ".LC_textline" ).prop( "readonly", "readonly");
1.520 raeburn 382: event.preventDefault();
1.531 raeburn 383:
384: if (timeout > 0) {
385: setTimeout(function(){
386: \$( "#msg_"+buttonId ).css({"display": "none"});
1.563 raeburn 387: if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
388: if (( "#"+buttonId+"_pressed" ).length) {
389: \$( "#"+buttonId+"_pressed" ).val( "" );
1.531 raeburn 390: }
391: }
392: \$( ".LC_hwk_submit" ).prop( "disabled", false);
393: \$( ".LC_textline" ).prop( "readonly", false);
394: submithandled = 0;
395: keypresshandled = 0;
396: }, timeout);
397: }
1.520 raeburn 398: return true;
399: }
400: }
401: });
1.531 raeburn 402: }
1.520 raeburn 403: });
404:
1.483 raeburn 405: // ]]>
1.400 albertel 406: </script>
407: JS
408: }
409:
1.416 raeburn 410: sub setmode_javascript {
411: return <<"ENDSCRIPT";
412: <script type="text/javascript">
1.485 raeburn 413: // <![CDATA[
1.416 raeburn 414: function setmode(form,probmode) {
1.554 damieng 415: var initial = form.problemmode.value;
1.416 raeburn 416: form.problemmode.value = probmode;
417: form.submit();
1.554 damieng 418: form.problemmode.value = initial;
1.416 raeburn 419: }
1.485 raeburn 420: // ]]>
1.416 raeburn 421: </script>
422: ENDSCRIPT
423: }
424:
1.48 albertel 425: sub page_start {
1.345 albertel 426: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
427: $extra_head)=@_;
1.159 albertel 428: my %found;
1.207 albertel 429: foreach my $taginside (@$tagstack) {
1.159 albertel 430: foreach my $taglookedfor ('html','body','form') {
431: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
432: }
433: }
434:
1.343 albertel 435: if ($target eq 'tex') {
436: return
437: &Apache::londefdef::start_html($target,$token,$tagstack,
438: $parstack,$parser,$safeeval);
439: }
440:
1.474 raeburn 441: $extra_head .= &homework_js().
442: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
443: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1.550 raeburn 444: my %textarea_args;
445: if (($env{'request.state'} ne 'construct') ||
446: ($env{'environment.nocodemirror'})) {
447: %textarea_args = (
1.474 raeburn 448: dragmath => 'math',
449: );
1.550 raeburn 450: }
1.474 raeburn 451: $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
1.425 raeburn 452: }
1.478 raeburn 453: my $is_task = ($env{'request.uri'} =~ /\.task$/);
1.528 raeburn 454: my ($needs_upload,$partlist);
1.495 raeburn 455: my ($symb)= &Apache::lonnet::whichuser();
456: my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
1.478 raeburn 457: if ($is_task) {
1.495 raeburn 458: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
1.493 raeburn 459: } else {
460: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.uploadedfiletypes") ne '') {
1.495 raeburn 461: unless ($env{'request.state'} eq 'construct') {
462: my $navmap = Apache::lonnavmaps::navmap->new();
463: if (ref($navmap)) {
464: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 465: my $is_page;
466: if (ref($mapres)) {
467: $is_page = $mapres->is_page();
468: }
469: unless ($is_page) {
1.495 raeburn 470: $needs_upload = 1;
471: }
1.528 raeburn 472: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
473: my $res = $navmap->getBySymb($symb);
474: if (ref($res)) {
475: $partlist = $res->parts();
476: }
477: }
1.495 raeburn 478: }
479: }
1.493 raeburn 480: } else {
481: unless ($env{'request.state'} eq 'construct') {
482: my $navmap = Apache::lonnavmaps::navmap->new();
483: if (ref($navmap)) {
1.495 raeburn 484: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 485: my $is_page;
486: if (ref($mapres)) {
487: $is_page = $mapres->is_page();
488: }
1.528 raeburn 489: if ($is_page) {
490: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
491: my $res = $navmap->getBySymb($symb);
492: if (ref($res)) {
493: $partlist = $res->parts();
494: }
495: }
496: } else {
1.495 raeburn 497: my $res = $navmap->getBySymb($symb);
498: if (ref($res)) {
1.528 raeburn 499: $partlist = $res->parts();
1.495 raeburn 500: if (ref($partlist) eq 'ARRAY') {
501: foreach my $part (@{$partlist}) {
502: my @types = $res->responseType($part);
503: my @ids = $res->responseIds($part);
504: for (my $i=0; $i < scalar(@ids); $i++) {
505: if ($types[$i] eq 'essay') {
506: my $partid = $part.'_'.$ids[$i];
507: if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
508: $needs_upload = 1;
509: last;
510: }
1.493 raeburn 511: }
512: }
513: }
1.495 raeburn 514: }
515: }
1.493 raeburn 516: }
517: }
518: }
519: }
1.495 raeburn 520: if ($needs_upload) {
1.538 musolffc 521: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js()
522: .'<script type="text/javascript"
523: src="/res/adm/includes/file_upload.js"></script>';
1.495 raeburn 524: }
1.478 raeburn 525: }
1.425 raeburn 526:
1.344 albertel 527: my %body_args;
528: if (defined($found{'html'})) {
529: $body_args{'skip_phases'}{'head'}=1;
530: } else {
1.343 albertel 531:
1.345 albertel 532: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 533:
1.379 albertel 534: $extra_head .= &Apache::londefdef::generate_css_links();
535:
1.384 albertel 536: if ($env{'request.state'} eq 'construct') {
1.343 albertel 537: $extra_head.=&Apache::edit::js_change_detection().
538: "<script type=\"text/javascript\">\n".
539: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
540: &Apache::loncommon::browser_and_searcher_javascript().
541: "\n</script>\n";
1.525 raeburn 542: if ($target eq 'edit') {
543: $extra_head .= &Apache::edit::js_update_linknum();
544: }
1.343 albertel 545: }
1.159 albertel 546: }
1.343 albertel 547:
1.446 bisitz 548: my $pageheader = '';
1.344 albertel 549: if (defined($found{'body'})) {
550: $body_args{'skip_phases'}{'body'}=1;
551: } elsif (!defined($found{'body'})
552: && $env{'request.state'} eq 'construct') {
1.343 albertel 553: if ($target eq 'web' || $target eq 'edit') {
1.542 raeburn 554: unless ($env{'form.inhibitmenu'} eq 'yes') {
555: # Breadcrumbs for Authoring Space
556: &Apache::lonhtmlcommon::clear_breadcrumbs();
557: &Apache::lonhtmlcommon::add_breadcrumb({
558: 'text' => 'Authoring Space',
559: 'href' => &Apache::loncommon::authorspace($env{'request.uri'}),
560: });
561: # breadcrumbs (and tools) will be created
562: # in start_page->bodytag->innerregister
1.460 droeschl 563:
1.450 bisitz 564: # FIXME Where are we?
1.542 raeburn 565: # &Apache::lonhtmlcommon::add_breadcrumb({
566: # 'text' => 'Problem Editing', # 'Problem Testing'
567: # 'href' => '',
568: # });
569: $pageheader = &Apache::loncommon::head_subbox(
570: &Apache::loncommon::CSTR_pageheader());
571: }
572: }
1.272 albertel 573: } elsif (!defined($found{'body'})) {
1.343 albertel 574: my %add_entries;
1.159 albertel 575: my $background=&Apache::lonxml::get_param('background',$parstack,
576: $safeeval);
1.343 albertel 577: if ($background ne '' ) {
578: $add_entries{'background'} = $background;
579: }
1.344 albertel 580:
1.290 albertel 581: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
582: $safeeval);
1.446 bisitz 583: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
1.344 albertel 584:
1.446 bisitz 585: $body_args{'bgcolor'} = $bgcolor;
586: # $body_args{'no_title'} = 1;
587: $body_args{'force_register'} = 1;
588: $body_args{'add_entries'} = \%add_entries;
1.466 droeschl 589: if ( $env{'request.state'} eq 'construct') {
1.446 bisitz 590: $body_args{'only_body'} = 1;
1.518 raeburn 591: } elsif ($target eq 'web') {
592: $body_args{'print_suppress'} = 1;
1.446 bisitz 593: }
1.344 albertel 594: }
1.365 albertel 595: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 596: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
597: \%body_args);
1.446 bisitz 598: $page_start .= $pageheader;
1.462 raeburn 599: if (!defined($found{'body'})
600: && $env{'request.state'} ne 'construct'
601: && ($target eq 'web' || $target eq 'webgrade')) {
602:
603: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
604: if ($symb eq '' && !$publicuser) {
605: $page_start .= '<p class="LC_info">'
606: .&mt('Browsing resource, all submissions are temporary.')
607: .'</p>';
1.457 bisitz 608: }
1.344 albertel 609: }
610:
1.409 albertel 611: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 612: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 613: }
614: my $form_tag_start;
615: if (!defined($found{'form'})) {
1.337 albertel 616: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.465 raeburn 617: my $uri = &Apache::loncommon::inhibit_menu_check(
1.455 droeschl 618: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.464 raeburn 619: $uri = &HTML::Entities::encode($uri,'<>&"');
1.327 albertel 620: $form_tag_start.=$uri.'" ';
621: if ($target eq 'edit') {
622: $form_tag_start.=&Apache::edit::form_change_detection();
623: }
1.493 raeburn 624: my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
625: my ($path,$multiresp) =
626: &Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom);
1.495 raeburn 627: if (($is_task) || ($needs_upload)) {
628: $form_tag_start .= ' onsubmit="return file_submission_check(this,'."'$path','$multiresp'".');"';
1.478 raeburn 629: }
1.368 albertel 630: $form_tag_start.='>'."\n";
1.355 albertel 631:
632: if ($symb =~ /\S/) {
633: $symb=
634: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
635: $form_tag_start.=
1.368 albertel 636: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 637: }
1.159 albertel 638: }
1.528 raeburn 639: return ($page_start,$form_tag_start,$partlist);
1.105 albertel 640: }
641:
1.141 matthew 642: #use Time::HiRes();
1.105 albertel 643: sub get_resource_name {
1.159 albertel 644: my ($parstack,$safeeval)=@_;
1.388 foxr 645: my $name;
1.204 albertel 646: if (defined($Apache::lonhomework::name)) {
1.388 foxr 647: $name = $Apache::lonhomework::name;
648: } else {
649: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 650: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 651: if ($name eq '') {
652: $name=&Apache::lonnet::EXT('resource.title');
653: if ($name eq 'con_lost') { $name = ''; }
654: }
655: if ($name!~/\S+/) {
656: $name=$env{'request.uri'};
657: $name=~s-.*/([^/]+)$-$1-;
658: }
659: # The name has had html tags escaped:
660:
661: $name=~s/</</gs;
662: $name=~s/>/>/gs;
663:
664: $Apache::lonhomework::name=$name;
1.204 albertel 665: }
1.159 albertel 666: return $name;
1.105 albertel 667: }
668:
669: sub setup_rndseed {
1.528 raeburn 670: my ($safeeval,$target,$probpartlist)=@_;
1.367 albertel 671: my ($symb)=&Apache::lonnet::whichuser();
1.564 ! raeburn 672: my ($questiontype,$set_safespace,$rndseed,$numtries,$reqtries);
1.479 raeburn 673: if ($target eq 'analyze') {
674: $questiontype = $env{'form.grade_questiontype'};
675: }
676: unless (defined($questiontype)) {
677: $questiontype = $Apache::lonhomework::type;
678: }
1.564 ! raeburn 679: if ($Apache::lonhomework::type eq 'randomizetry') {
! 680: my $partfortries = $Apache::inputtags::part;
! 681: if (ref($probpartlist) eq 'ARRAY') {
! 682: if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $Apache::inputtags::part)) {
! 683: $partfortries = $probpartlist->[0];
! 684: }
! 685: }
! 686: $numtries = $Apache::lonhomework::history{"resource.$partfortries.tries"};
! 687: $reqtries = &Apache::lonnet::EXT("resource.$partfortries.randomizeontries");
! 688: }
1.555 raeburn 689: if (($env{'request.state'} eq "construct")
690: || ($symb eq '')
691: || ($Apache::lonhomework::type eq 'practice')
692: || ($Apache::lonhomework::history{'resource.CODE'})
693: || (($env{'form.code_for_randomlist'}) && ($target eq 'analyze'))) {
1.316 www 694: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 695: ['rndseed']);
1.284 albertel 696: $rndseed=$env{'form.rndseed'};
1.159 albertel 697: if (!$rndseed) {
1.162 albertel 698: $rndseed=$Apache::lonhomework::history{'rndseed'};
699: if (!$rndseed) {
700: $rndseed=time;
701: }
1.555 raeburn 702: unless ($env{'form.code_for_randomlist'}) {
703: $env{'form.rndseed'}=$rndseed;
704: }
1.162 albertel 705: }
1.479 raeburn 706: if (($env{'request.state'} eq "construct") &&
707: ($Apache::lonhomework::type eq 'randomizetry')) {
1.564 ! raeburn 708: if ($numtries) {
! 709: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
! 710: my $inc = int($numtries/$reqtries);
! 711: $rndseed += $inc;
! 712: } else {
! 713: $rndseed += $numtries;
! 714: }
1.479 raeburn 715: }
1.480 raeburn 716: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.479 raeburn 717: }
1.551 damieng 718: if ( ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 719: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 720: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 721: srand(time);
722: $rndseed=int(rand(2100000000));
1.284 albertel 723: $env{'form.rndseed'}=$rndseed;
724: delete($env{'form.resetdata'});
725: delete($env{'form.newrandomization'});
1.159 albertel 726: }
1.488 www 727: $rndseed=~s/\,/\:/g;
728: $rndseed=~s/[^\w\d\:\-]//g;
1.489 www 729: if (defined($rndseed)) {
730: my ($c1,$c2)=split(/\:/,$rndseed);
731: unless ($c2) { $c2=0; }
732: unless (($c1==int($c1)) && ($c2==int($c2))) {
733: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
734: }
1.187 albertel 735: }
1.555 raeburn 736: if (($env{'form.code_for_randomlist'}) && ($target eq 'analyze')) {
737: $env{'form.CODE'} = $env{'form.code_for_randomlist'};
738: $rndseed=&Apache::lonnet::rndseed();
739: undef($env{'form.CODE'});
740: } elsif ($Apache::lonhomework::history{'resource.CODE'}) {
1.247 albertel 741: $rndseed=&Apache::lonnet::rndseed();
742: }
1.479 raeburn 743: $set_safespace = 1;
744: } elsif ($questiontype eq 'randomizetry') {
745: if ($target eq 'analyze') {
746: if (defined($env{'form.grade_rndseed'})) {
747: $rndseed = $env{'form.grade_rndseed'};
748: }
749: }
750: unless (($target eq 'analyze') && (defined($rndseed))) {
751: $rndseed=&Apache::lonnet::rndseed();
1.564 ! raeburn 752: my $curr_try = $numtries;
1.479 raeburn 753: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
754: $curr_try ++;
755: }
756: if ($rndseed =~/^(\d+)[,:](\d+)$/) {
757: $rndseed = $1;
758: }
759: if ($curr_try) {
760: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
761: my $inc = int(($curr_try-1)/$reqtries);
762: $rndseed += $inc;
763: } else {
764: $rndseed += $curr_try;
765: }
766: }
767: }
768: $set_safespace = 1;
1.528 raeburn 769: if ($target eq 'grade') {
770: $Apache::lonhomework::rawrndseed = $rndseed;
771: }
1.479 raeburn 772: }
773: if ($set_safespace) {
774: if ($safeeval) {
775: &Apache::lonxml::debug("Setting rndseed to $rndseed");
776: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
777: }
778: }
779: unless (($env{'request.state'} eq "construct") || ($symb eq '')) {
780: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.159 albertel 781: }
782: return $rndseed;
1.105 albertel 783: }
784:
1.268 albertel 785: sub remember_problem_state {
786: return '
1.284 albertel 787: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
788: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
789: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 790: }
791:
1.487 www 792: sub problem_edit_action_button {
793: my ($name,$action,$accesskey,$text,$flag)=@_;
794: my $actionscript="setmode(this.form,'$action')";
795: return "\n<input type='button' name='$name' accesskey='$accesskey' value='".&mt($text)."'".
796: ($flag?&Apache::edit::submit_ask_anyway($actionscript):&Apache::edit::submit_dont_ask($actionscript))." />";
797: }
798:
1.423 www 799: sub problem_edit_buttons {
1.487 www 800: my ($mode)=@_;
1.535 droeschl 801: # Buttons that save
802: my $result = '<div style="float:right">';
803: if ($mode eq 'editxml') {
804: $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
805: $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
806: } else {
807: $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
808: $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
809: }
810: $result.="\n</div>\n";
1.487 www 811: # Buttons that do not save
1.535 droeschl 812: $result .= '<div>'.
1.487 www 813: &problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
814: if ($mode eq 'editxml') {
815: $result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
816: $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
1.550 raeburn 817: if ($env{'environment.nocodemirror'}) {
818: $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
819: }
1.487 www 820: } else {
821: $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
822: $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
823: }
824: $result.="\n</div>";
825: return $result;
1.423 www 826: }
827:
828: sub problem_edit_header {
1.527 golterma 829: my ($mode)=@_;
830: my $return = '<input type="hidden" name="submitted" value="edit" />'.
1.487 www 831: &remember_problem_state('edit').'
1.527 golterma 832: <div class="LC_edit_problem_header">
833: <div class="LC_edit_problem_header_title">
834: '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
835: </div><div class="LC_edit_actionbar" id="actionbar">'.
836: '<input type="hidden" name="problemmode" value="saveedit" />'.
837: &problem_edit_buttons();
838:
1.535 droeschl 839: $return .= '</div></div>' . &Apache::lonxml::message_location();
1.527 golterma 840: $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />
841: <script type="text/javascript" src="/adm/codemirror/codemirror-compressed-colorful.js"></script>';
842:
843: $return .= '<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
844: <script type="text/javascript">
845: // unless internet explorer
846: if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode || document.compatMode))){
847: $(document).ready(
848: function() {
849: $(\'.LC_edit_actionbar\').scrollToFixed(
850: {
851: fixed: function(){
1.535 droeschl 852: //$(this).find(\'.LC_edit_actionbar\').css(\'height\', \'31px\');
853: $(this).find(\'.LC_edit_actionbar\');
1.527 golterma 854: }
855: }
856: );
857: }
858: );
859: }
860: </script>
861: <table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
862: return $return;
1.105 albertel 863: }
864:
865: sub problem_edit_footer {
1.527 golterma 866: my $resource = $env{'request.ambiguous'};
1.412 albertel 867: return '</td></tr></table><br />
868: <div class="LC_edit_problem_footer">
1.453 bisitz 869: <hr />'.
1.423 www 870: &problem_edit_buttons().'
1.459 bisitz 871: <hr style="clear:both;" />
1.527 golterma 872: <script type="text/javascript">
873: restoreState("'.$resource.'");
874: restoreScrollPosition("'.$resource.'");
875: </script>
1.412 albertel 876: </div>
877: '.
1.342 albertel 878: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 879: }
880:
1.235 albertel 881: sub option {
882: my ($value,$name) = @_;
883: my $result ="<option value='".$value."' ";
1.284 albertel 884: if ($env{'form.'.$name} eq $value) {
1.235 albertel 885: $result.=" selected='on' ";
886: }
887: $result.='>';
888: return $result;
889: }
890:
1.105 albertel 891: sub problem_web_to_edit_header {
1.159 albertel 892: my ($rndseed)=@_;
1.406 albertel 893: my $result .= '<div class="LC_edit_problem_header">';
894:
895: if (!$Apache::lonhomework::parsing_a_task) {
896: $result .=
897: '<div class="LC_edit_problem_header_title">'.
898: &mt('Problem Testing').
899: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
900: '</div>';
901: } else {
902: $result .=
903: '<div class="LC_edit_problem_header_title">'.
904: &mt('Task Testing').
905: '</div>';
906: }
907:
1.315 albertel 908: my $show_all_foils_text =
909: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 910: &mt('Show All Instances')
911: : &mt('Show All Foils');
1.315 albertel 912:
1.452 bisitz 913: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
914: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 915: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 916: $show_all.= ' /> '.$show_all_foils_text
917: .'</label></span>';
1.406 albertel 918:
919:
1.384 albertel 920:
1.406 albertel 921: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 922: if (!$Apache::lonhomework::parsing_a_task) {
923: $result.="
1.406 albertel 924: <div class='LC_edit_problem_header_row1'>
925: <span class=\"LC_nobreak\">
1.405 albertel 926: ".&mt("Problem Status:")."
1.235 albertel 927: <select name='problemstate'>
1.270 albertel 928: <option value=''></option>
1.235 albertel 929: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
930: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
931: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
932: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
933: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
934: </select>
1.406 albertel 935: </span>
936: <span class=\"LC_nobreak\">
1.405 albertel 937: ".&mt("Problem Type:")."
1.235 albertel 938: <select name='problemtype'>
1.270 albertel 939: <option value=''></option>
1.509 bisitz 940: ".&option('exam' ,'problemtype').&mt("Bubblesheet Exam Problem")."</option>
1.428 raeburn 941: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 942: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 943: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
944: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
945: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 946: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.479 raeburn 947: ".&option('randomizetry' ,'problemtype').&mt("New Randomization Each Try")."</option>
1.235 albertel 948: </select>
1.406 albertel 949: </span>
950: $show_all
951: </div>
952: <div class='LC_edit_problem_header_row2'>
953: <span class=\"LC_nobreak\">
1.405 albertel 954: ".&mt("Feedback Mode:")."
1.235 albertel 955: <select name='problemstatus'>
956: <option value=''></option>
1.242 albertel 957: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.517 bisitz 958: ".&option('no', 'problemstatus').&mt("Don't Show Incorrect/Correct Feedback")."</option>
1.405 albertel 959: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 960: </select>
1.406 albertel 961: </span>
962: ";
963:
1.376 albertel 964: } elsif ($Apache::lonhomework::parsing_a_task) {
965: $result.="
1.406 albertel 966: <div class='LC_edit_problem_header_row1'>
967: <span class=\"LC_nobreak\">
1.405 albertel 968: ".&mt("Problem Status:")."
1.376 albertel 969: <select name='problemstate'>
970: <option value=''></option>
971: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
972: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
973: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
974: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
975: </select>
1.406 albertel 976: </span>
977: $show_all
978: ";
979: }
980: $result.='
981: <span class="LC_nobreak">
982: '.&mt('Apply style file: ').'
983: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
984: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
985: </span>
1.422 www 986: </div>
987: <div class="LC_edit_problem_header_row1">'.
988: &Apache::lonxml::renderingoptions().'
1.406 albertel 989: </div>
990: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
991: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
1.551 damieng 992: <button type="submit" name="resetdata" accesskey="r" value="reset_submissions">
993: '.&mt('Reset Submissions').'</button>
1.406 albertel 994: </div>
1.453 bisitz 995: <hr />
1.406 albertel 996: <div class="LC_edit_problem_header_randomize_row">
997: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
998: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 999: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 1000: $rndseed.'"
1001: onchange="javascript:document.lonhomework.changerandseed.click()" />';
1002:
1003: if (!$Apache::lonhomework::parsing_a_task) {
1004: my $numtoanalyze=$env{'form.numtoanalyze'};
1005: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 1006: $result .= '<span class="LC_nobreak">'.
1007: &mt('[_1] for [_2] versions.',
1.416 raeburn 1008: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 1009: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
1010: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 1011: $numtoanalyze.'" size="5" />').
1012: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
1013: '</span>';
1014:
1.313 albertel 1015: }
1.406 albertel 1016:
1017: $result.='
1018: </div>
1.453 bisitz 1019: <hr />
1.447 bisitz 1020: <div>';
1.416 raeburn 1021: $result.='<input type="hidden" name="problemmode" value="view" />';
1022: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
1023: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
1024: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
1025: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.541 damieng 1026: if ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9) {
1027: my $uri = $env{'request.uri'};
1.543 damieng 1028: my $daxeurl = '/daxepage'.$uri;
1.541 damieng 1029: $result .= '<input type="button" value="'.&mt('Edit with Daxe').'" '.
1030: 'onclick="window.open(\''.$daxeurl.'\',\'_blank\');" />';
1031: }
1.408 albertel 1032: $result.='
1033: </div>
1.453 bisitz 1034: <hr />
1.409 albertel 1035: '.&Apache::lonxml::message_location().'
1.406 albertel 1036: </div>';
1.159 albertel 1037: return $result;
1.48 albertel 1038: }
1039:
1.65 albertel 1040: sub initialize_storage {
1.357 albertel 1041: my ($given_symb) = @_;
1.353 albertel 1042: undef(%Apache::lonhomework::results);
1043: undef(%Apache::lonhomework::history);
1.357 albertel 1044: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1045: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 1046:
1047: # anonymous users (CODEd exams) have no data
1048: if ($name eq 'anonymous'
1049: && !defined($domain)) {
1050: return;
1051: }
1052:
1.333 albertel 1053: if ($env{'request.state'} eq 'construct'
1054: || $symb eq ''
1055: || $Apache::lonhomework::type eq 'practice') {
1056:
1057: my $namespace = $symb || $env{'request.uri'};
1.551 damieng 1058: if ($env{'form.resetdata'} eq 'reset_submissions' ||
1059: ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 1060: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 1061: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1062: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
1063: &Apache::lonxml::debug("Attempt reset");
1064: }
1.159 albertel 1065: %Apache::lonhomework::history=
1.333 albertel 1066: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.526 raeburn 1067: my ($temp)=keys(%Apache::lonhomework::history) ;
1.159 albertel 1068: &Apache::lonxml::debug("Return message of $temp");
1069: } else {
1070: %Apache::lonhomework::history=
1071: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1072: }
1.353 albertel 1073:
1.159 albertel 1074: #ignore error conditions
1.526 raeburn 1075: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1076: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 1077: }
1078:
1.435 jms 1079: =pod
1080:
1081: =item finalize_storage()
1082:
1.524 raeburn 1083: Stores away the result hash to a student's environment;
1.523 raeburn 1084: checks form.grade_ for specific values, otherwise stores
1085: to the running user's environment.
1.524 raeburn 1086:
1087: &check_correctness_changes() is called in two circumstances
1088: in which the results hash is to be stored permanently, for
1089: grading triggered by a student's submission, where feedback on
1090: correctness is to be provided to the student.
1091:
1092: 1. Immediately prior to storing the results hash
1093:
1094: To handle the case where a student's submission (and award) were
1095: stored after history was retrieved in &initialize_storage(), e.g.,
1096: if a student submitted answers in quick succession (e.g., from
1097: multiple tabs). &Apache::inputtags::hidealldata() is called for
1098: any parts with out-of-order storage (i.e., correct then incorrect,
1099: where awarded >= 1 when correct).
1100:
1101: 2. Immediately after storing the results hash
1102:
1103: To handle the case where lond on the student's homeserver returns
1104: delay:N -- where N is the number of transactions between the last
1105: retrieved in &initialize_storage() and the last stored immediately
1106: before permanent storage of the current transaction via
1107: lond::store_handler(). &Apache::grades::makehidden() is called
1108: for any parts with out-of-order storage (i.e., correct then incorrect,
1109: where awarded >= 1 when correct).
1110:
1111: Will call &store_aggregates() to increment totals for attempts,
1112: students, and corrects, if running user has student role.
1113:
1.435 jms 1114: =cut
1115:
1116:
1.65 albertel 1117: sub finalize_storage {
1.357 albertel 1118: my ($given_symb) = @_;
1.159 albertel 1119: my $result;
1.289 albertel 1120: if (%Apache::lonhomework::results) {
1.323 albertel 1121: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
1122: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 1123: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1124: &Apache::lonnet::whichuser($given_symb);
1.562 raeburn 1125: my ($passback,$ltiscope,$ltimap,$ltisymb,$ltiref,$total,$possible,$dopassback);
1.333 albertel 1126: if ($env{'request.state'} eq 'construct'
1127: || $symb eq ''
1128: || $Apache::lonhomework::type eq 'practice') {
1129: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 1130: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 1131: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 1132: $namespace,'',$domain,$name);
1.159 albertel 1133: &Apache::lonxml::debug('Construct Store return message:'.$result);
1134: } else {
1.560 raeburn 1135: my ($laststore,$checkedparts,@parts,%postcorrect,%record);
1.524 raeburn 1136: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1137: (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
1138: (!defined($env{'form.grade_courseid'}))) {
1.560 raeburn 1139: if ($env{'request.lti.login'}) {
1140: my ($map)=&Apache::lonnet::decode_symb($symb);
1141: $map = &Apache::lonnet::clutter($map);
1142: ($passback,$ltiscope,$ltimap,$ltisymb,$ltiref) =
1143: &needs_lti_passback($courseid,$symb,$map);
1144: }
1.524 raeburn 1145: if ($Apache::lonhomework::history{'version'}) {
1146: $laststore = $Apache::lonhomework::history{'version'}.'='.
1147: $Apache::lonhomework::history{'timestamp'};
1148: } else {
1149: $laststore = '0=0';
1150: }
1.560 raeburn 1151: %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1.524 raeburn 1152: if ($record{'version'}) {
1153: my ($newversion,$oldversion,$oldtimestamp);
1154: if ($Apache::lonhomework::history{'version'}) {
1155: $oldversion = $Apache::lonhomework::history{'version'};
1156: $oldtimestamp = $Apache::lonhomework::history{'timestamp'};
1157: } else {
1158: $oldversion = 0;
1159: $oldtimestamp = 0;
1160: }
1161: if ($record{'version'} > $oldversion) {
1162: if ($record{'timestamp'} >= $oldtimestamp) {
1163: $laststore = $record{'version'}.'='.$record{'timestamp'};
1164: $newversion = $record{'version'} + 1;
1165: $checkedparts = 1;
1166: foreach my $key (keys(%Apache::lonhomework::results)) {
1167: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1168: my $part = $1;
1169: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1170: push(@parts,$part);
1171: }
1172: }
1173: }
1174: if (@parts) {
1175: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1176: \%record,\@parts,$newversion,
1177: $oldversion);
1178: if (@parts_to_hide) {
1179: foreach my $part (@parts_to_hide) {
1180: $postcorrect{$part} = 1;
1181: &Apache::inputtags::hidealldata($part);
1182: }
1183: }
1184: }
1185: }
1186: }
1187: }
1188: }
1.159 albertel 1189: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
1.524 raeburn 1190: $symb,$courseid,$domain,$name,$laststore);
1191: if ($result =~ /^delay\:(\d+)$/) {
1192: my $numtrans = $1;
1193: my ($oldversion) = split(/=/,$laststore);
1194: if ($numtrans) {
1195: my $newversion = $oldversion + 1 + $numtrans;
1196: my @possparts;
1197: if ($checkedparts) {
1198: foreach my $part (@parts) {
1199: unless ($postcorrect{$part}) {
1200: push(@possparts,$part);
1201: }
1202: }
1203: } else {
1204: foreach my $key (keys(%Apache::lonhomework::results)) {
1205: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1206: my $part = $1;
1207: unless ($postcorrect{$part}) {
1208: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1209: push(@possparts,$part);
1210: }
1211: }
1212: }
1213: }
1214: }
1215: if (@possparts) {
1216: my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1217: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1218: \%newrecord,\@possparts,$newversion,
1219: $oldversion);
1220: if (@parts_to_hide) {
1221: my $partslist = join(',',@parts_to_hide);
1222: &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1);
1223: }
1224: }
1225: }
1226: }
1.562 raeburn 1227: if ($passback) {
1228: foreach my $key (keys(%Apache::lonhomework::results)) {
1229: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1230: my $part = $1;
1231: if ((($Apache::lonhomework::results{$key} =~ /^correct_/) ||
1232: ($Apache::lonhomework::results{$key} eq 'incorrect_attempted')) &&
1233: ($Apache::lonhomework::results{"resource.$part.tries"})) {
1234: $dopassback = 1;
1235: last;
1236: }
1237: }
1238: }
1239: }
1240: if (($dopassback) && ($ltiscope eq 'resource') && ($ltisymb eq $symb)) {
1.560 raeburn 1241: $total = 0;
1242: $possible = 0;
1243: my $navmap = Apache::lonnavmaps::navmap->new();
1244: if (ref($navmap)) {
1245: my $res = $navmap->getBySymb($symb);
1246: if (ref($res)) {
1247: my $partlist = $res->parts();
1248: if (ref($partlist) eq 'ARRAY') {
1249: foreach my $part (@{$partlist}) {
1250: unless (exists($Apache::lonhomework::results{"resource.$part.solved"})) {
1251: next if ($Apache::lonhomework::record{"resource.$part.solved"} =~/^excused/);
1252: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1253: $possible += $weight;
1254: if (($record{'version'}) && (exists($record{"resource.$part.awarded"}))) {
1255: my $awarded = $record{"resource.$part.awarded"};
1256: if ($awarded) {
1257: $total += $weight * $awarded;
1258: }
1259: }
1260: }
1261: }
1262: }
1263: }
1264: }
1265: foreach my $key (keys(%Apache::lonhomework::results)) {
1266: if ($key =~ /^resource\.([^\.]+)\.awarded$/) {
1267: my $part = $1;
1268: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1269: $possible += $weight;
1270: my $awarded = $Apache::lonhomework::results{$key};
1271: if ($awarded) {
1272: $total += $weight * $awarded;
1273: }
1274: }
1275: }
1276: }
1.159 albertel 1277: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1278: &store_aggregates($symb,$courseid);
1.562 raeburn 1279: if ($dopassback) {
1.560 raeburn 1280: my $scoreformat = 'decimal';
1281: if (ref($ltiref) eq 'HASH') {
1282: if ($ltiref->{'scoreformat'} =~ /^(decimal|ratio|percentage)$/) {
1283: $scoreformat = $1;
1284: }
1285: }
1286: my $ltigrade = {
1287: 'lti' => $ltiref,
1288: 'cid' => $courseid,
1289: 'uname' => $env{'user.name'},
1290: 'udom' => $env{'user.domain'},
1291: 'pbid' => $env{'request.lti.passbackid'},
1292: 'pburl' => $env{'request.lti.passbackurl'},
1293: 'scope' => $ltiscope,
1294: 'ltimap' => $ltimap,
1295: 'ltisymb' => $ltisymb,
1296: 'format' => $scoreformat,
1297: };
1298: if ($ltiscope eq 'resource') {
1299: $ltigrade->{'total'} = $total;
1300: $ltigrade->{'possible'} = $possible;
1301: }
1302: push(@Apache::lonhomework::ltipassback,$ltigrade);
1303: }
1.159 albertel 1304: }
1.323 albertel 1305: } else {
1306: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1307: }
1.159 albertel 1308: return $result;
1.65 albertel 1309: }
1310:
1.560 raeburn 1311: sub needs_lti_passback {
1312: my ($courseid,$symb,$map) = @_;
1313: if (($env{'request.lti.passbackid'}) && ($env{'request.lti.passbackurl'})) {
1314: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1315: my ($cdom,$cnum) = ($1,$2);
1316: my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider');
1317: if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') {
1318: if ($lti{$env{'request.lti.login'}}{'passback'}) {
1319: my ($ltiscope,$ltiuri,$ltisymb) =
1320: &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
1321: $cdom,$cnum,1);
1322: my ($passback,$ltimap);
1323: if ($ltiscope eq 'resource') {
1324: if ($ltisymb eq $symb) {
1325: $passback = 1;
1326: }
1327: } elsif ($ltiscope eq 'map') {
1328: if ($ltiuri eq $map) {
1329: $passback = 1;
1330: $ltimap = $map;
1331: }
1332: } elsif ($ltiscope eq 'course') {
1333: if (($env{'request.lti.uri'} eq "/$cdom/$cnum") || ($env{'request.lti.uri'} eq '')) {
1334: $passback = 1;
1335: }
1336: }
1337: return ($passback,$ltiscope,$ltimap,$ltisymb,$lti{$env{'request.lti.login'}});
1338: }
1339: }
1340: }
1341: }
1342: return;
1343: }
1344:
1.435 jms 1345: =pod
1346:
1.524 raeburn 1347: =item check_correctness_changes()
1348:
1349: For all parts for which current results contain a solved status
1350: of "incorrect_attempted", check if there was a transaction in which
1351: solved was set to "correct_by_student" in the time since the last
1352: transaction (retrieved when &initialize_storage() was called i.e.,
1353: when &start_problem() was called), unless:
1354: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1355: (b) problemstatus is set to no or no_feedback_ever
1356: If such a transaction exists, and did not occur after "reset status"
1357: by a user with grading privileges, then the current transaction is an
1358: example of an out-of-order transaction (i.e., incorrect occurring after
1359: correct). Accordingly, the current transaction should be hidden.
1360:
1361: =cut
1362:
1363:
1364: sub check_correctness_changes {
1365: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1366: my @parts_to_hide;
1367: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1368: return @parts_to_hide;
1369: }
1370: if (@{$parts}) {
1371: my $usec;
1372: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1373: ($env{'request.course.id'} eq $courseid)) {
1374: $usec = $env{'request.course.sec'};
1375: } else {
1376: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1377: }
1378: foreach my $id (@{$parts}) {
1379: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1380: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1381: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1382: my $reset;
1383: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1384: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1385: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1386: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1387: $reset = 1;
1388: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1389: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1390: unless ($reset) {
1391: push(@parts_to_hide,$id);
1392: last;
1393: }
1394: }
1395: }
1396: }
1397: }
1398: return @parts_to_hide;
1399: }
1400:
1401: =pod
1402:
1.435 jms 1403: item store_aggregates()
1404:
1405: Sends hash of values to be incremented in nohist_resourcetracker.db
1406: for the course. Increments total number of attempts, unique students
1407: and corrects for each part for an instance of a problem, as appropriate.
1408:
1409: =cut
1410:
1.285 raeburn 1411: sub store_aggregates {
1412: my ($symb,$courseid) = @_;
1.479 raeburn 1413: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1414: my @parts;
1.288 albertel 1415: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1416: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1417: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1418: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1419: push(@parts, $1);
1.285 raeburn 1420: }
1421: }
1.286 albertel 1422: foreach my $part (@parts) {
1.470 raeburn 1423: if ($env{'request.role'} =~/^st/) {
1424: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1425: eq 'APPROX_ANS' ||
1426: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1427: eq 'EXACT_ANS') {
1428: $aggregate{$symb."\0".$part."\0correct"} = 1;
1429: }
1430: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1431: $aggregate{$symb."\0".$part."\0users"} = 1;
1432: } else {
1433: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1434: if ($last_reset) {
1435: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1436: $aggregate{$symb."\0".$part."\0users"} = 1;
1437: }
1438: }
1439: }
1440: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1441: }
1.470 raeburn 1442: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1443: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1444: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1445: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1446: $randtrycounter{$symb."\0".$part} = 1;
1447: } else {
1448: $anoncounter{$symb."\0".$part} = 1;
1449: }
1.545 raeburn 1450: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.'::'};
1.537 raeburn 1451: if ($needsrelease) {
1.470 raeburn 1452: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1453: if ($curr_required eq '') {
1.471 raeburn 1454: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1455: } else {
1456: my ($currmajor,$currminor) = split(/\./,$curr_required);
1457: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1458: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1459: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1460: }
1.292 raeburn 1461: }
1462: }
1.285 raeburn 1463: }
1464: }
1.526 raeburn 1465: if (keys(%aggregate) > 0) {
1.289 albertel 1466: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1467: $cdomain,$cname);
1468: }
1.472 raeburn 1469: if (keys(%anoncounter) > 0) {
1.481 raeburn 1470: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1471: $cdomain,$cname);
1.472 raeburn 1472: }
1.479 raeburn 1473: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1474: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1475: $cdomain,$cname);
1.479 raeburn 1476: }
1.292 raeburn 1477: }
1.289 albertel 1478:
1.557 raeburn 1479: sub access_status_msg {
1480: my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_;
1481: my $msg;
1482: if ($target eq 'web') {
1483: if ($status eq 'UNAVAILABLE') {
1484: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1485: } elsif ($status eq 'NOT_IN_A_SLOT') {
1486: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1487: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1488: ($status eq 'NOTRESERVABLE')) {
1489: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1490: } elsif ($status ne 'NOT_YET_VIEWED') {
1491: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1492: }
1493: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1494: $msg.=&mt('The problem ').$accessmsg;
1495: } elsif ($status eq 'UNCHECKEDOUT') {
1496: $msg.=&checkout_msg();
1497: } elsif ($status eq 'NOT_YET_VIEWED') {
1498: $msg.=&firstaccess_msg($accessmsg,$symb);
1499: } elsif ($status eq 'NOT_IN_A_SLOT') {
1500: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1501: } elsif ($status eq 'RESERVABLE') {
1502: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1503: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1504: '<br />'.
1505: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1506: } elsif ($status eq 'RESERVABLE_LATER') {
1507: $msg.=&mt('Window to make a reservation will open [_1].',
1508: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1509: } elsif ($status eq 'NOTRESERVABLE') {
1510: $msg.=&mt('Not available to make a reservation.');
1511: } elsif ($status eq 'NEED_DIFFERENT_IP') {
1512: if ($ipused) {
1513: $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");
1514: } else {
1515: $msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
1516: &mt('Somebody else has already used this particular computer for that purpose.');
1517: }
1518: }
1519: $msg.='<br />';
1520: } elsif ($target eq 'tex') {
1521: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1522: : '\begin{minipage}{\textwidth}';
1523:
1524: $msg ='\noindent \vskip 1 mm '.
1525: $startminipage.'\vskip 0 mm';
1526: if ($status eq 'UNAVAILABLE') {
1527: $msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1528: } else {
1529: $msg.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1530: }
1531: }
1532: return $msg;
1533: }
1534:
1535: sub checkin_prompt {
1536: my ($target,$slot_name,$slot,$type) = @_;
1537: my $result;
1538: if ($target eq 'web') {
1539: $result = &Apache::bridgetask::proctor_validation_screen($slot);
1540: } elsif ($target eq 'grade') {
1541: if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) {
1542: $result = &mt('An error occurred during check-in');
1543: }
1544: }
1545: return $result;
1546: }
1547:
1548: sub selfcheckin_resource {
1549: my ($resource_due,$slot_name,$slot,$symb) = @_;
1550: if ($slot_name ne '') {
1551: my $checked_in =
1552: $Apache::lonhomework::history{'resource.0.checkedin'};
1553: if ($checked_in eq '') {
1554: # unproctored slot access, self checkin
1555: my $needsiptied;
1556: if (ref($slot)) {
1557: $needsiptied = $slot->{'iptied'};
1558: }
1559: my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1560: $slot_name,$needsiptied);
1561: if ($check =~ /^error: /) {
1562: &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name");
1563: } else {
1564: $checked_in = $Apache::lonhomework::results{"resource.0.checkedin"};
1565: }
1566: }
1567: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1568: if ($slot->{'starttime'} < time()) {
1569: if (!$resource_due) {
1570: $resource_due = $slot->{'endtime'};
1571: } elsif ($slot->{'endtime'} < $resource_due) {
1572: $resource_due = $slot->{'endtime'};
1573: }
1574: }
1575: }
1576: }
1577: return $resource_due;
1578: }
1579:
1.65 albertel 1580: sub checkout_msg {
1.211 albertel 1581: my %lt=&Apache::lonlocal::texthash(
1582: 'resource'=>'The resource needs to be checked out',
1583: '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.',
1584: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 1585: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
1586: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 1587: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1588: return (<<ENDCHECKOUT);
1.211 albertel 1589: <h2>$lt{'resource'}</h2>
1590: <p>$lt{'id_expln'}</p>
1.449 bisitz 1591: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1592: <form name="checkout" method="post" action="$uri">
1.91 albertel 1593: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1594: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1595: </form>
1596: ENDCHECKOUT
1597: }
1598:
1.252 albertel 1599: sub firstaccess_msg {
1.253 albertel 1600: my ($time,$symb)=@_;
1.414 albertel 1601: my $result;
1602: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1603: if ($interval[1] eq 'map') {
1604: my ($map)=&Apache::lonnet::decode_symb($symb);
1605: my $foldertitle=&Apache::lonnet::gettitle($map);
1606:
1607: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1608: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1609: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1610: ,$foldertitle,$time)."</p>";
1.414 albertel 1611: } elsif ($interval[1] eq 'course') {
1612: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1613: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1614: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1615: ,$course,$time)."</p>";
1.414 albertel 1616: } else {
1617: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1618: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1619: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1620: ,$title,$time)."</p>";
1.414 albertel 1621: }
1.352 albertel 1622: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1623: my $buttontext = &mt('Show Resource');
1624: my $timertext = &mt('Start Timer?');
1.414 albertel 1625: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1626: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1627: <input type="hidden" name="markaccess" value="yes" />
1.514 bisitz 1628: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1629: </form>
1630: ENDCHECKOUT
1.414 albertel 1631: return $result;
1.252 albertel 1632: }
1633:
1.204 albertel 1634: sub init_problem_globals {
1635: my ($type)=@_;
1636: #initialize globals
1.308 foxr 1637: # For problems, we start out in part 0 (outside a <part> tag).
1638: # and part 0 is used to describe the main body of the <problem>
1639: #
1.204 albertel 1640: if ($type eq 'problem') {
1641: $Apache::inputtags::part='0';
1642: @Apache::inputtags::partlist=('0');
1.405 albertel 1643: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1644: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1645:
1.266 albertel 1646: } elsif ($type eq 'library') {
1.204 albertel 1647: $Apache::inputtags::part='';
1648: @Apache::inputtags::partlist=();
1.405 albertel 1649: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1650: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1651:
1.304 albertel 1652: } elsif ($type eq 'Task') {
1653: $Apache::inputtags::part='0';
1654: @Apache::inputtags::partlist=('0');
1.405 albertel 1655: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1656: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1657: }
1.477 www 1658: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1659: @Apache::inputtags::responselist = ();
1660: @Apache::inputtags::importlist = ();
1661: @Apache::inputtags::previous=();
1662: @Apache::inputtags::previous_version=();
1.536 raeburn 1663: $Apache::inputtags::leniency='';
1.204 albertel 1664: $Apache::structuretags::printanswer='No';
1665: @Apache::structuretags::whileconds=();
1666: @Apache::structuretags::whilebody=();
1667: @Apache::structuretags::whileline=();
1668: $Apache::lonhomework::scantronmode=0;
1669: undef($Apache::lonhomework::name);
1.358 albertel 1670: undef($Apache::lonhomework::default_type);
1671: undef($Apache::lonhomework::type);
1.204 albertel 1672: }
1673:
1674: sub reset_problem_globals {
1675: my ($type)=@_;
1676: undef(%Apache::lonhomework::history);
1677: undef(%Apache::lonhomework::results);
1678: undef($Apache::inputtags::part);
1.536 raeburn 1679: undef($Apache::inputtags::leniency);
1.498 raeburn 1680: if ($type eq 'Task') {
1681: undef($Apache::inputtags::slot_name);
1.528 raeburn 1682: } elsif ($type eq 'problem') {
1683: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1684: }
1.208 albertel 1685: #don't undef this, lonhomework.pm takes care of this, we use this to
1686: #detect if we try to do 2 problems in one file
1687: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1688: undef($Apache::lonhomework::name);
1.358 albertel 1689: undef($Apache::lonhomework::default_type);
1690: undef($Apache::lonhomework::type);
1691: undef($Apache::lonhomework::scantronmode);
1692: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1693: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1694: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1695: }
1696:
1.241 albertel 1697: sub set_problem_state {
1.240 albertel 1698: my ($part)=@_;
1.284 albertel 1699: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1700: $Apache::lonhomework::history{"resource.$part.solved"}=
1701: 'correct_by_student';
1702: }
1703: }
1704:
1.241 albertel 1705: sub get_problem_status {
1706: my ($part)=@_;
1.267 albertel 1707: my $problem_status;
1.284 albertel 1708: if ($env{'request.state'} eq 'construct' &&
1709: defined($env{'form.problemstatus'})) {
1710: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1711: } else {
1712: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1713: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1714: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1715: }
1716: return $problem_status;
1717: }
1718:
1.9 albertel 1719: sub start_problem {
1.326 albertel 1720: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1721:
1.311 foxr 1722: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1723: if (!$Apache::lonxml::metamode) {
1724: &Apache::lonxml::startredirection();
1725: }
1.311 foxr 1726:
1.308 foxr 1727: # Problems don't nest and we don't allow more than one <problem> in
1728: # a .problem file.
1729: #
1.184 albertel 1730: if ( $Apache::inputtags::part ne '' ||
1731: $Apache::lonhomework::parsing_a_problem) {
1732: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1733: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1734: return '';
1735: }
1.184 albertel 1736:
1737: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1738: &init_problem_globals('problem');
1.166 albertel 1739:
1.284 albertel 1740: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1741: $Apache::lonhomework::scantronmode=1;
1742: }
1.161 albertel 1743:
1.159 albertel 1744: if ($target ne 'analyze') {
1.415 raeburn 1745: my $type = &Apache::lonnet::EXT('resource.0.type');
1746: $Apache::lonhomework::type=$type;
1.284 albertel 1747: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1748: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1749: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1750: }
1.332 albertel 1751: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1752: }
1.164 albertel 1753: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1754: my $uri=$env{'request.uri'};
1.159 albertel 1755: if ($uri=~/\.(\w+)$/) {
1756: $Apache::lonhomework::type=$1;
1757: &Apache::lonxml::debug("Using type of $1");
1758: } else {
1759: $Apache::lonhomework::type='problem';
1760: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1761: }
1.87 albertel 1762: }
1.301 albertel 1763: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1764:
1.363 albertel 1765: &initialize_storage();
1.389 albertel 1766: if ($target ne 'analyze'
1767: && $env{'request.state'} eq 'construct') {
1768: &set_problem_state('0');
1769: }
1770:
1.366 albertel 1771: if ($target eq 'web') {
1772: &Apache::lonxml::debug(" grading history ");
1773: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1774: }
1.363 albertel 1775:
1.159 albertel 1776: #added vars to the scripting enviroment
1.213 albertel 1777: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1778: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1779: &Apache::run::run($expression,$safeeval);
1.159 albertel 1780: my $status;
1781: my $accessmsg;
1.508 raeburn 1782: my $resource_due;
1.540 raeburn 1783: my $ipused;
1.159 albertel 1784:
1.343 albertel 1785: my $name= &get_resource_name($parstack,$safeeval);
1.561 raeburn 1786: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres);
1.506 raeburn 1787:
1788: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1789: $target eq 'tex') {
1790: if ($env{'form.markaccess'}) {
1791: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.539 raeburn 1792: my ($timelimit) = split(/_/,$interval[0]);
1.561 raeburn 1793: my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit);
1794: unless (($is_set eq 'ok') || ($is_set eq 'already_set')) {
1795: $firstaccres = $is_set;
1796: }
1.506 raeburn 1797: }
1798: }
1799:
1.354 albertel 1800: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1801: || $target eq 'edit') {
1.528 raeburn 1802: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1803: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1804: $name);
1.552 raeburn 1805: } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
1806: ($target eq 'answer')) {
1.528 raeburn 1807: my ($symb)= &Apache::lonnet::whichuser();
1808: my $navmap = Apache::lonnavmaps::navmap->new();
1809: if (ref($navmap)) {
1810: my $res = $navmap->getBySymb($symb);
1811: if (ref($res)) {
1812: $probpartlist = $res->parts();
1813: }
1814: }
1.350 albertel 1815: }
1816:
1.552 raeburn 1817: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1818: $target eq 'tex') {
1819:
1820: my ($symb)= &Apache::lonnet::whichuser();
1821: ($status,$accessmsg,$slot_name,$slot,$ipused) =
1822: &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
1823: push (@Apache::inputtags::status,$status);
1824: }
1825:
1.284 albertel 1826: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1827:
1.479 raeburn 1828: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1829: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1830: $target eq 'tex') {
1.479 raeburn 1831:
1.159 albertel 1832: #handle rand seed in construction space
1.528 raeburn 1833: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1834: if (($target eq 'grade') && &Apache::response::submitted()) {
1835: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1836: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1837: } else {
1838: my @parts;
1839: if (ref($probpartlist) eq 'ARRAY') {
1840: @parts = @{$probpartlist};
1841: }
1842: unless (@parts) {
1.529 raeburn 1843: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1844: }
1845: }
1846: }
1.367 albertel 1847: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 1848:
1.333 albertel 1849: if ($env{'request.state'} ne "construct" &&
1850: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 1851: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.462 raeburn 1852: $rndseed.'" />'.
1.551 damieng 1853: '<button type="submit" name="resetdata"
1854: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1855: if (exists($env{'form.username'})) {
1856: $form_tag_start.=
1.164 albertel 1857: '<input type="hidden" name="username"
1.284 albertel 1858: value="'.$env{'form.username'}.'" />';
1.334 albertel 1859: }
1.462 raeburn 1860: if ($env{'request.role.adv'}) {
1861: $form_tag_start.= ' <label class="LC_nobreak">'
1862: .'<input type="checkbox" name="showallfoils"';
1863: if (defined($env{'form.showallfoils'})) {
1864: $form_tag_start.=' checked="checked"';
1865: }
1866: $form_tag_start.= ' /> '
1867: .&mt('Show All Foils')
1868: .'</label>';
1869: }
1.417 www 1870: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1871: $form_tag_start.=&practice_problem_header();
1.417 www 1872: }
1.462 raeburn 1873: $form_tag_start.='<hr />';
1.479 raeburn 1874: } elsif (($env{'request.state'} ne "construct") &&
1875: ($Apache::lonhomework::type eq 'randomizetry') &&
1.546 raeburn 1876: ($status eq 'CAN_ANSWER') &&
1.549 raeburn 1877: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
1878: (!$env{'request.role.adv'})) {
1879: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.479 raeburn 1880: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1881: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1882: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries);
1883: }
1.324 albertel 1884:
1.159 albertel 1885: my $expression='$external::datestatus="'.$status.'";';
1886: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
1887: &Apache::run::run($expression,$safeeval);
1888: &Apache::lonxml::debug("Got $status");
1.324 albertel 1889:
1.159 albertel 1890: if (( $status eq 'CLOSED' ) ||
1891: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1892: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 1893: ( $status eq 'BANNED') ||
1.216 albertel 1894: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 1895: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 1896: ( $status eq 'NOTRESERVABLE') ||
1897: ( $status eq 'RESERVABLE') ||
1898: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 1899: ( $status eq 'INVALID_ACCESS') ||
1900: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 1901: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1902: $style);
1.561 raeburn 1903: if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
1904: $result .= '<p class="LC_error">'.
1905: &mt('A problem occurred when trying to start the timer.').'</p>';
1906: }
1.557 raeburn 1907: $result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);
1.324 albertel 1908: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1909: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1910: $style);
1.557 raeburn 1911: $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 1912: } elsif ($target eq 'web') {
1.508 raeburn 1913: if ($status eq 'CAN_ANSWER') {
1914: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
1915: if ($slot_name ne '') {
1.557 raeburn 1916: $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
1917: $env{'request.symb'});
1.508 raeburn 1918: }
1919: if ($resource_due) {
1920: my $time_left = $resource_due - time();
1921: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
1922: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
1923: }
1924: }
1925: }
1.368 albertel 1926: $result.="\n $form_tag_start \t".
1.227 albertel 1927: '<input type="hidden" name="submitted" value="yes" />';
1928: # create a page header and exit
1.284 albertel 1929: if ($env{'request.state'} eq "construct") {
1.544 damieng 1930: if ($env{'form.inhibitmenu'} eq 'yes') {
1931: # error messages can be useful in any case
1932: $result.= &Apache::lonxml::message_location();
1933: } else {
1.542 raeburn 1934: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1935: }
1.428 raeburn 1936: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 1937: $result.= '<button type="submit" name="resetdata" '.
1938: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
1939: &practice_problem_header().'<hr />';
1.564 ! raeburn 1940: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
! 1941: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
! 1942: my $problemstatus = &get_problem_status($Apache::inputtags::part);
! 1943: $result.=&randomizetry_problem_header($problemstatus,$reqtries);
1.428 raeburn 1944: }
1.227 albertel 1945: }
1946: # if we are viewing someone else preserve that info
1.284 albertel 1947: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1948: foreach my $field ('symb','courseid','domain','username') {
1949: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1950: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1951: }
1.479 raeburn 1952: foreach my $field ('trial','questiontype') {
1953: if ($env{"form.grade_$field"} ne '') {
1954: $result .= '<input type="hidden" name="grade_'.$field.
1955: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1956: }
1957: }
1.159 albertel 1958: }
1.490 raeburn 1959: if ($env{'form.grade_imsexport'}) {
1960: $result = '';
1961: }
1.159 albertel 1962: } elsif ($target eq 'tex') {
1.319 foxr 1963: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 1964: $result .= &select_metadata_hyphenation();
1.99 sakharuk 1965: }
1.159 albertel 1966: } elsif ($target eq 'edit') {
1.343 albertel 1967: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1968: $Apache::lonxml::warnings_error_header=
1969: &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 1970: my $temp=&Apache::edit::insertlist($target,$token);
1971: $result.=$temp;
1972: } elsif ($target eq 'modified') {
1973: $result=$token->[4];
1974: } else {
1975: # page_start returned a starting result, delete it if we don't need it
1976: $result = '';
1.99 sakharuk 1977: }
1.159 albertel 1978: return $result;
1.9 albertel 1979: }
1980:
1981: sub end_problem {
1.159 albertel 1982: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 1983: my $result;
1.310 foxr 1984:
1.321 albertel 1985: if (!$Apache::lonxml::metamode) {
1986: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 1987: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1988: }
1.319 foxr 1989:
1990: if ($target eq 'tex') {
1.321 albertel 1991: # Figure out the front matter and replace the
1992: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1993: # this in end_problem because whether or not we display due
1994: # dates depends on whether due dates have already been
1995: # displayed in the problem parts.
1996:
1.319 foxr 1997: my $frontmatter = '';
1998: my $startminipage = '';
1999: if (not $env{'form.problem_split'}=~/yes/) {
2000: $startminipage = '\begin{minipage}{\textwidth}';
2001: }
2002: my $id = $Apache::inputtags::part;
2003: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
2004: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2005: my @packages = split(/,/,$packages);
1.319 foxr 2006: my $allow_print_points = 0;
2007: foreach my $partial_key (@packages) {
2008: if ($partial_key=~m/^part_0$/) {
2009: $allow_print_points=1;
2010: }
2011: }
2012: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2013: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
2014: if (lc($env{'course.'.$env{'request.course.id'}.
2015: '.disableexampointprint'}) eq 'yes') {
2016: $allow_print_points=0;
2017: }
2018: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 2019: 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 2020: &clear_required_languages();
1.319 foxr 2021: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
2022: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
2023:
2024: # Figure out what the due date is and if we need to print
2025: # it in the problem header. We have been logging the
2026: # last due date written to file.
2027:
2028: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2029: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2030: my $duedate_text = &mt('Due date: [_1]'
2031: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2032: my $temp_file;
2033: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2034:
2035: # Figure out what the last printed due date is or set it
2036: # to the epoch if no duedates have been printed.
2037:
2038: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2039: if (-e $filename) {
2040: $temp_file = Apache::File->new($filename);
2041: my @due_file = <$temp_file>;
2042: $due_file_content = $due_file[$#due_file];
2043: chomp $due_file_content;
2044: }
2045:
2046: # We display the due date iff it is not the same as the last
2047: # duedate in problem header ($due_file_content), and
2048: # none of our parts displayed a duedate.
2049: #
2050: my $parts_with_displayduedate;
2051: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2052: $parts_with_displayduedate =
2053: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2054: } else {
2055: $parts_with_displayduedate = 0;
2056: }
2057: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2058: $temp_file = Apache::File->new('>'.$filename);
2059: print $temp_file "$duetime\n";
2060: if (not $env{'request.symb'} =~ m/\.page_/) {
2061: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2062: $frontmatter .= $begin_doc.
1.448 bisitz 2063: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2064: } else {
2065: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2066: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2067: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2068: }
1.319 foxr 2069: }
2070: } else {
1.448 bisitz 2071: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2072: }
2073: } else {
2074: if (not $env{'request.symb'} =~ m/\.page_/) {
2075: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2076: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2077: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2078: }
1.319 foxr 2079: } else {
1.381 albertel 2080: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2081: }
2082: }
2083: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
2084: }
2085:
1.159 albertel 2086: my $status=$Apache::inputtags::status['-1'];
2087: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2088: $target eq 'tex') {
1.249 albertel 2089: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2090: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2091: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2092: &Apache::inputtags::grade;
1.324 albertel 2093: } elsif ($status eq 'NEEDS_CHECKIN') {
2094: # no need to grade, and don't want to hide data
1.249 albertel 2095: } else {
2096: # move any submission data to .hidden
2097: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2098: }
1.159 albertel 2099: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2100: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2101: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2102: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2103: # if part is zero, no <part>s existed, so we need show the current
2104: # grading status
2105: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2106: $result.= $gradestatus;
2107: }
2108: if (
1.284 albertel 2109: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2110: ($target eq 'answer') || ($target eq 'tex')
2111: ) {
1.490 raeburn 2112: if (($target ne 'tex') &&
2113: ($env{'form.answer_output_mode'} ne 'tex') &&
2114: (!$env{'form.grade_imsexport'})) {
1.254 www 2115: $result.="</form>";
1.159 albertel 2116: }
2117: if ($target eq 'web') {
1.507 raeburn 2118: #
2119: # Closing </body></html> not added by end_page().
2120: # Added separately at end of this routine, after added
2121: # <script></script> so document will be valid xhtml.
2122: #
1.546 raeburn 2123: my $showdisc = 1;
1.547 raeburn 2124: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
2125: (!$env{'request.role.adv'})) {
2126: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 2127: $showdisc = 0;
1.547 raeburn 2128: my ($symb)= &Apache::lonnet::whichuser();
2129: if ($symb) {
2130: my $navmap = Apache::lonnavmaps::navmap->new();
2131: if (ref($navmap)) {
2132: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
2133: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 2134: # and there are no tries left
1.547 raeburn 2135: unless ($hastries) {
2136: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
2137: my ($score,$incomplete) =
2138: &Apache::lonplacementtest::check_completion(undef,undef,1);
2139: if (!$incomplete) {
2140: $result .= &Apache::lonplacementtest::showresult(1,1);
2141: } elsif ($incomplete < 100) {
2142: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
2143: }
2144: } else {
2145: # For Placement Tests score is displayed if test has just been completed
2146: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
2147: if (!$incomplete) {
2148: $result.= &Apache::lonplacementtest::showresult(1,1);
2149: }
2150: }
2151: }
2152: }
2153: }
1.546 raeburn 2154: }
2155: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 2156: 'notbody' => 1});
1.159 albertel 2157: } elsif ($target eq 'tex') {
1.178 sakharuk 2158: my $endminipage = '';
1.284 albertel 2159: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2160: $endminipage = '\end{minipage}';
2161: }
1.284 albertel 2162: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2163: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2164: } else {
1.262 sakharuk 2165: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2166: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2167: $result .= $endminipage.'\end{document} ';
2168: } else {
1.382 albertel 2169: $result .= $endminipage;
1.262 sakharuk 2170: }
1.159 albertel 2171: }
2172: }
2173: }
1.476 www 2174: if ($target eq 'web') {
2175: $result.=&Apache::functionplotresponse::init_script();
2176: }
1.159 albertel 2177: if ($target eq 'grade') {
2178: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2179: &finalize_storage();
2180: }
1.284 albertel 2181: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2182: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2183: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2184: # normally we get it from above, but in CSTR
1.172 albertel 2185: # we always show answer mode too.
1.159 albertel 2186: }
2187: } elsif ($target eq 'meta') {
2188: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2189: @Apache::inputtags::response=();
1.159 albertel 2190: $result=&Apache::response::mandatory_part_meta;
2191: }
1.559 raeburn 2192: $result.=&Apache::response::meta_part_order('problem');
1.258 albertel 2193: $result.=&Apache::response::meta_response_order();
1.159 albertel 2194: } elsif ($target eq 'edit') {
2195: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2196: $result .= &problem_edit_footer();
1.320 albertel 2197: } elsif ($target eq 'modified') {
2198: $result .= $token->[2];
1.159 albertel 2199: }
1.155 albertel 2200:
1.284 albertel 2201: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2202: &Apache::inputtags::check_for_duplicate_ids();
2203: }
1.204 albertel 2204:
2205: &reset_problem_globals('problem');
1.159 albertel 2206:
1.502 foxr 2207: #
2208: # This shouild be just above the return so that the
2209: # time put in the javascript is as late as possible in the
2210: # computation:
2211: #
2212: if ($target eq 'web') {
2213: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2214: #
2215: # Closing tags delayed so any <script></script> tags
2216: # not in head can appear inside body, for valid xhtml.
2217: #
2218: $result .= "</body>\n</html>";
1.502 foxr 2219: }
1.159 albertel 2220: return $result;
1.48 albertel 2221: }
2222:
1.108 albertel 2223:
1.48 albertel 2224: sub start_library {
1.159 albertel 2225: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2226: my ($result,$form_tag_start);
1.371 albertel 2227: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2228: &init_problem_globals('library');
2229: $Apache::lonhomework::type='problem';
2230: }
1.159 albertel 2231: if ($target eq 'edit') {
1.343 albertel 2232: ($result,$form_tag_start)=
2233: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2234: 'Edit');
2235: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2236: my $temp=&Apache::edit::insertlist($target,$token);
2237: $result.=$temp;
2238: } elsif ($target eq 'modified') {
2239: $result=$token->[4];
1.340 albertel 2240: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2241: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2242: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2243: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2244: ($result,$form_tag_start)=
2245: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2246: $name);
1.479 raeburn 2247: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2248: $result.=" \n $form_tag_start".
1.159 albertel 2249: '<input type="hidden" name="submitted" value="yes" />';
2250: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2251: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2252: $result.= '<button type="submit" name="resetdata" '.
2253: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2254: &practice_problem_header().'<hr />';
1.428 raeburn 2255: }
1.159 albertel 2256: }
2257: return $result;
1.48 albertel 2258: }
2259:
2260: sub end_library {
1.159 albertel 2261: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2262: my $result='';
2263: if ($target eq 'edit') {
2264: $result=&problem_edit_footer();
1.371 albertel 2265: } elsif ($target eq 'web'
2266: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2267: && $env{'request.state'} eq "construct") {
1.349 albertel 2268: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.558 raeburn 2269: } elsif ($target eq 'meta') {
1.559 raeburn 2270: $result.=&Apache::response::meta_part_order('library');
1.558 raeburn 2271: $result.=&Apache::response::meta_response_order();
1.159 albertel 2272: }
1.371 albertel 2273: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2274: &reset_problem_globals('library');
2275: }
1.159 albertel 2276: return $result;
1.197 www 2277: }
2278:
2279: sub start_definetag {
1.326 albertel 2280: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2281:
2282: my $result;
2283:
2284: my $name = $token->[2]->{'name'};
1.326 albertel 2285: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2286: if ($target eq 'web') {
2287: if ($name=~/^\//) {
2288: $result=
2289: '<br /><table class="LC_sty_end"><tr><th>'.
2290: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2291: } else {
2292: $result=
2293: '<br /><table class="LC_sty_begin"><tr><th>'.
2294: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2295: }
2296: $skip = &HTML::Entities::encode($skip, '<>&"');
2297: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2298: }
2299: return $result;
2300: }
2301:
2302: sub end_definetag {
2303: return '';
1.1 albertel 2304: }
2305:
2306: sub start_block {
1.201 albertel 2307: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2308:
2309: my $result;
1.1 albertel 2310:
1.339 albertel 2311: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2312: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2313: my $code = $token->[2]->{'condition'};
1.385 albertel 2314: if (defined($code) && $code ne '') {
1.137 albertel 2315: if (!$Apache::lonxml::default_homework_loaded) {
2316: &Apache::lonxml::default_homework_load($safeeval);
2317: }
1.131 albertel 2318: $result = &Apache::run::run($code,$safeeval);
2319: &Apache::lonxml::debug("block :$code: returned :$result:");
2320: } else {
2321: $result='1';
2322: }
2323: if ( ! $result ) {
1.201 albertel 2324: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2325: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2326: }
2327: $result='';
2328: } elsif ($target eq 'edit') {
2329: $result .=&Apache::edit::tag_start($target,$token);
2330: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2331: $token,40);
2332: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2333: } elsif ($target eq 'modified') {
2334: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2335: $safeeval,'condition');
2336: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2337: }
1.131 albertel 2338: return $result;
1.1 albertel 2339: }
2340:
2341: sub end_block {
1.167 www 2342: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2343: my $result;
2344: if ($target eq "edit") {
2345: $result.= &Apache::edit::tag_end($target,$token,'');
2346: }
2347: return $result;
2348: }
1.500 foxr 2349: #
2350: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2351: # ...
2352: # </languageblock>
2353: #
2354: # This declares the intent to provide content that can be rendered in the
2355: # set of languages in the include specificatino but not in the exclude
2356: # specification. If a currently preferred language is in the include list
2357: # the content in the <languageblock>...</languageblock> is rendered
2358: # If the currently preferred language is in the exclude list,
2359: # the content in the <languageblock>..></languageblock is not rendered.
2360: #
2361: # Pathalogical case handling:
2362: # - Include specified, without the preferred language but exclude specified
2363: # also without the preferred langauge results in rendering the block.
2364: # - Exclude specified without include and excluden not containing a
2365: # preferred language renders the block.
2366: # - Include and exclude both specifying the preferred language does not
2367: # render the block.
2368: # - If neither include/exclude is specified, the block gets rendered.
2369: #
2370: # This tag has no effect when target is in {edit, modified}
2371: #
1.167 www 2372: sub start_languageblock {
1.201 albertel 2373: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2374:
1.500 foxr 2375: my $result = '';
1.167 www 2376:
1.339 albertel 2377: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2378: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2379: my $include = $token->[2]->{'include'};
2380: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2381: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2382:
2383: # This should not even happen, since we should at least have the server language
2384:
2385: if (!$preferred_languages[0]) {
2386: $preferred_languages[0]='en';
2387: }
2388:
2389: # Now loop over all languages in order of preference
2390:
2391: my $render;
1.398 www 2392: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2393:
2394: # If neither include/nor exlude is present the block is going
2395: # to get rendered.
2396:
1.399 www 2397: my $found=0;
1.500 foxr 2398: $render=1;
2399:
2400: # If include is specified, don't render the block
2401: # unless the preferred language is included in the set.
2402:
1.398 www 2403: if ($include) {
1.500 foxr 2404: $render=0;
1.398 www 2405: foreach my $included_language (split(/\,/,$include)) {
2406: if ($included_language eq $preferred_language) {
1.500 foxr 2407: $render=1;
1.399 www 2408: $found=1;
1.500 foxr 2409: last; # Only need to find the first.
1.398 www 2410: }
2411: }
2412: }
1.500 foxr 2413: # Do we have an exclude argument?
2414: # If so, and one of the languages matches a preferred language
2415: # inhibit rendering the block. Note that in the pathalogical case the
2416: # author has specified a preferred language in both the include and exclude
2417: # attribte exclude is preferred.
2418:
1.398 www 2419: if ($exclude) {
1.500 foxr 2420: $render=1;
1.398 www 2421: foreach my $excluded_language (split(/\,/,$exclude)) {
2422: if ($excluded_language eq $preferred_language) {
1.500 foxr 2423: $render=0;
1.399 www 2424: $found=1;
1.500 foxr 2425: last; # Only need to find the first.
1.398 www 2426: }
2427: }
2428: }
1.500 foxr 2429: if ($found) {
2430: last; # Done on any match of include or exclude.
2431: }
1.398 www 2432: }
1.500 foxr 2433: # If $render not true skip the entire block until </languageblock>
2434: #
2435:
2436: if ( ! $render ) {
1.201 albertel 2437: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2438: $style);
2439: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2440: }
1.500 foxr 2441: # If $render is true, we've not skipped the contents of the <languageglock>
2442: # and the normal loncapa processing flow will render it as a matter of course.
2443:
1.167 www 2444: } elsif ($target eq 'edit') {
2445: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2446: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2447: $token,40);
1.211 albertel 2448: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2449: $token,40);
2450: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2451: } elsif ($target eq 'modified') {
2452: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2453: $safeeval,'include',
2454: 'exclude');
1.167 www 2455: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2456: }
2457: return $result;
2458: }
2459:
2460: sub end_languageblock {
1.170 www 2461: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2462: my $result;
1.201 albertel 2463: if ($target eq "edit") {
1.170 www 2464: $result.= &Apache::edit::tag_end($target,$token,'');
2465: }
2466: return $result;
2467: }
1.500 foxr 2468: # languagblock specific tags:
2469: {
2470: # For chunks of a resource that has translations, this hash contains
2471: # the translations available indexed by language name.
2472: #
2473:
2474: my %available_texts;
1.170 www 2475:
1.500 foxr 2476: # <translated> starts a block of a resource that has multiple translations.
2477: # See the <lang> tag as well.
2478: # When </translated> is encountered if there is a translation for the
2479: # currently preferred language, that is rendered inthe web/tex/webgrade
2480: # targets. Otherwise, the default text is rendered.
2481: #
2482: # Note that <lang> is only registered for the duration of the
2483: # <translated>...</translated> block
2484: #
2485: # Pathalogical case handling:
2486: # - If there is no <lang> that specifies a 'default' and there is no
2487: # translation that matches a preferred language, nothing is rendered.
2488: # - Nested <translated>...</translated> might be linguistically supported by
2489: # XML due to the stack nature of tag registration(?) however the rendered
2490: # output will be incorrect because there is only one %available_texts
2491: # has and end_translated clears it.
2492: # - Material outside of a <lang>...</lang> block within the
2493: # <translated>...<translated> block won't render either e.g.:
2494: # <translated>
2495: # The following will be in your preferred langauge:
2496: # <lang which='en'>
2497: # This section in english
2498: # </lang>
2499: # <lang which='sgeiso'>
2500: # Hier es ist auf Deutsch.
2501: # </lang>
2502: # <lang which='sfriso'>
2503: # En Francais
2504: # </lang>
2505: # </translated>
2506: #
2507: # The introductory text prior to the first <lang> tag is not rendered.
2508: #
1.397 albertel 2509: sub start_translated {
2510: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2511: &Apache::lonxml::register('Apache::structuretags',('lang'));
2512: undef(%available_texts);
2513: }
2514:
2515: sub end_translated {
2516: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2517: my $result;
2518: #show the translation on viewable targets
2519: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2520: # or non-viewable targets, if it's embedded in something that
2521: # wants the output
2522: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2523: && &Apache::lonxml::in_redirection() ) ) {
2524: my @possibilities = keys(%available_texts);
2525: my $which =
2526: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2527: if ($target eq 'tex') {
2528: $result = &select_hyphenation($which);
2529: }
2530: $result .= $available_texts{$which};
2531: if ($target eq 'tex') {
2532: $result .= &select_metadata_hyphenation(); # Restore original language.
2533: }
1.397 albertel 2534: }
2535: undef(%available_texts);
2536: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2537: return $result;
2538: }
2539:
1.500 foxr 2540: # <lang [which='language-name'] [other='lang1,lang2...']>
2541: # Specifies that the block contained within it is a translation
2542: # for a specific language specified by the 'which' attribute. The
2543: # 'other' attribute can be used by itself or in conjunction with
2544: # which to specify this tag _may_ be used as a translation for some
2545: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2546: # specifying that the block provides a translation for US (primary)
2547: # Canadian, Australian and UK Englush.
2548: #
2549: # Comment: this seems a bit silly why not just support a list of languages
2550: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2551: #
2552: # Effect:
2553: # The material within the <lang>..</lang> block is stored in the
2554: # specified set of $available_texts hash entries, the appropriate one
2555: # is selected at </translated> time.
2556: #
2557: # Pathalogical case handling:
2558: # If a language occurs multiple times within a <translated> block,
2559: # only the last one is rendered e.g.:
2560: #
2561: # <translated>
2562: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2563: # Red green color blindness is quite common affecting about 7.8% of
2564: # the male population, but onloy about .65% of the female population.
2565: # </lang>
2566: # Red green colour blindness is quite common affecting about 7.8% of
2567: # the male population, but onloy about .65% of the female population.
2568: # <lang which='seniso', other='senisoCA,senisoAU'>
2569: # </translated>
2570: #
2571: # renders the correct spelling of color (colour) for people who have specified
2572: # a preferred language that is one of the British Commonwealth languages
2573: # even though those are also listed as valid selections for the US english
2574: # <lang> block.
2575: #
1.397 albertel 2576: sub start_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: &Apache::lonxml::startredirection();
2581: }
2582: return '';
2583: }
2584:
2585: sub end_lang {
2586: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2587: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2588: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2589: my $result = &Apache::lonxml::endredirection();
2590: my $which = &Apache::lonxml::get_param('which',$parstack,
2591: $safeeval);
1.431 raeburn 2592: if ($which=~/\w/) {
2593: $available_texts{$which} = $result;
2594: }
2595: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2596: $safeeval);
2597: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2598: if ($language=~/\w/) {
2599: $available_texts{$language} = $result;
2600: }
1.427 bisitz 2601: }
2602:
1.397 albertel 2603: }
2604: return '';
2605: }
1.500 foxr 2606: } # end langauge block specific tags.
2607:
1.397 albertel 2608:
1.170 www 2609: sub start_instructorcomment {
1.201 albertel 2610: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2611:
2612: my $result;
2613:
1.339 albertel 2614: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2615: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2616: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2617: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2618: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2619: $parser,$style);
1.170 www 2620: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2621: }
2622: $result='';
2623: } elsif ($target eq 'edit') {
2624: $result .=&Apache::edit::tag_start($target,$token);
2625: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2626: }
2627: return $result;
2628: }
2629:
2630: sub end_instructorcomment {
1.159 albertel 2631: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2632: my $result;
2633: if ($target eq "edit") {
2634: $result.= &Apache::edit::tag_end($target,$token,'');
2635: }
2636: return $result;
1.4 tsai 2637: }
2638:
2639: sub start_while {
1.326 albertel 2640: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2641:
1.160 albertel 2642: my $result;
1.339 albertel 2643: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2644: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2645: my $code = $token->[2]->{'condition'};
1.4 tsai 2646:
1.160 albertel 2647: push( @Apache::structuretags::whileconds, $code);
2648: if (!$Apache::lonxml::default_homework_loaded) {
2649: &Apache::lonxml::default_homework_load($safeeval);
2650: }
2651: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2652: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2653: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2654: push( @Apache::structuretags::whileline, $token->[5]);
2655: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2656: if ( $result ) {
2657: &Apache::lonxml::newparser($parser,\$bodytext);
2658: }
2659: } elsif ($target eq 'edit') {
2660: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2661: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2662: $token,40);
2663: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2664: } elsif ($target eq 'modified') {
2665: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2666: $safeeval,'condition');
2667: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2668: }
1.160 albertel 2669: return $result;
1.4 tsai 2670: }
2671:
2672: sub end_while {
1.159 albertel 2673: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2674: my $result;
2675:
1.339 albertel 2676: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2677: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2678: my $code = pop(@Apache::structuretags::whileconds);
2679: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2680: my $line = pop(@Apache::structuretags::whileline);
2681: my $return = &Apache::run::run($code,$safeeval);
2682: my $starttime=time;
2683: my $error=0;
2684: while ($return) {
2685: if (time-$starttime >
2686: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2687: $return = 0; $error=1; next;
1.161 albertel 2688: }
2689: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2690: if ($target eq 'grade' || $target eq 'answer' ||
2691: $target eq 'analyze') {
2692: # grade/answer/analyze should produce no output but if we
2693: # are redirecting, the redirecter should know what to do
2694: # with the output
2695: if (!$Apache::lonxml::redirection) { undef($result); }
2696: }
1.161 albertel 2697: $return = &Apache::run::run($code,$safeeval);
2698: }
1.516 bisitz 2699: if ($error) {
2700: &Apache::lonxml::error(
2701: '<pre>'
2702: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2703: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2704: .&mt('This occurred while running <while> on line [_1].',
2705: $line)
2706: .'</pre>');
2707: }
1.160 albertel 2708: } elsif ($target eq "edit") {
2709: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2710: }
1.160 albertel 2711: return $result;
1.1 albertel 2712: }
1.6 tsai 2713:
1.160 albertel 2714: # <randomlist show="1">
1.6 tsai 2715: # <tag1>..</tag1>
2716: # <tag2>..</tag2>
2717: # <tag3>..</tag3>
1.160 albertel 2718: # ...
1.6 tsai 2719: # </randomlist>
2720: sub start_randomlist {
1.326 albertel 2721: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2722: my $result;
1.339 albertel 2723: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2724: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2725: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2726: my $b_parser= HTML::LCParser->new(\$body);
2727: $b_parser->xml_mode(1);
2728: $b_parser->marked_sections(1);
1.159 albertel 2729: my $b_tok;
2730: my @randomlist;
2731: my $list_item;
2732: while($b_tok = $b_parser->get_token() ) {
2733: if($b_tok->[0] eq 'S') { # start tag
2734: # get content of the tag until matching end tag
2735: # get all text upto the matching tag
2736: # and push the content into @randomlist
2737: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2738: $b_parser);
2739: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2740: push(@randomlist,$list_item);
2741: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2742: # $list_item</b>";
2743: }
2744: if($b_tok->[0] eq 'T') { # text
2745: # what to do with text in between tags?
2746: # print "<b>TEXT $b_tok->[1]</b><br />";
2747: }
2748: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2749: # print "<b>END-TAG $b_tok->[1]</b><br />";
2750: # }
2751: }
1.303 albertel 2752: if (@randomlist) {
2753: my @idx_arr = (0 .. $#randomlist);
1.555 raeburn 2754: if ($env{'form.code_for_randomlist'}) {
2755: &Apache::structuretags::shuffle(\@idx_arr,$target);
2756: undef($env{'form.code_for_randomlist'});
2757: } else {
2758: &Apache::structuretags::shuffle(\@idx_arr);
2759: }
1.303 albertel 2760: my $bodytext = '';
2761: my $show=$#randomlist;
2762: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2763: $showarg--;
2764: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2765: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2766: my @currlist;
2767: my $part = $Apache::inputtags::part;
2768: if ($part ne '') {
2769: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2770: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2771: if (!(grep(/^\Q$part\E$/,@currlist))) {
2772: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2773: }
2774: } else {
2775: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2776: }
2777: }
2778: }
1.526 raeburn 2779: for my $i (0 .. $show) {
2780: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2781: }
2782: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2783: }
2784: } elsif ($target eq 'edit' ) {
2785: $result .=&Apache::edit::tag_start($target,$token);
2786: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2787: $token,5);
2788: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2789: } elsif ($target eq 'modified' ) {
2790: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2791: $safeeval,'show');
2792: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2793: }
2794: return $result;
1.7 tsai 2795: }
2796:
2797: sub shuffle {
1.555 raeburn 2798: my ($a,$target) = @_;
1.7 tsai 2799: my $i;
1.303 albertel 2800: if (ref($a) eq 'ARRAY' && @$a) {
1.555 raeburn 2801: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2802: for($i=@$a;--$i;) {
2803: my $j=int(&Math::Random::random_uniform() * ($i+1));
2804: next if $i == $j;
2805: @$a[$i,$j] = @$a[$j,$i];
2806: }
1.251 albertel 2807: &Apache::response::poprandomnumber();
1.7 tsai 2808: }
1.6 tsai 2809: }
2810:
2811: sub end_randomlist {
1.159 albertel 2812: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2813: my $result;
2814: if ($target eq 'edit' ) {
2815: $result=&Apache::edit::tag_end($target,$token,
2816: 'End Randomly Parsed Block');
2817: }
2818: return $result;
1.6 tsai 2819: }
2820:
1.283 albertel 2821: sub ordered_show_check {
2822: my $last_part=$Apache::inputtags::partlist[-2];
2823: my $in_order=
2824: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2825: my $in_order_show=1;
2826: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2827: $in_order_show=&Apache::response::check_status($last_part);
2828: }
2829: return $in_order_show;
2830: }
2831:
1.469 www 2832:
2833: sub start_startpartmarker {
2834: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2835: my $result='';
2836: if ($target eq 'edit') {
2837: $result=&Apache::edit::tag_start($target,$token);
2838: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2839: $result.=&Apache::edit::end_table();
2840:
2841: }
2842: return $result;
2843: }
2844:
2845: sub end_startpartmarker {
2846: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2847: my @result;
2848: if ($target eq 'edit') { $result[1]='no'; }
2849: return @result;
2850: }
2851:
2852: sub start_endpartmarker {
2853: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2854: my $result='';
2855: if ($target eq 'edit') {
2856: $result=&Apache::edit::tag_start($target,$token);
2857: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
2858: $result.=&Apache::edit::end_table();
2859:
2860: }
2861: return $result;
2862: }
2863:
2864: sub end_endpartmarker {
2865: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2866: my @result;
2867: if ($target eq 'edit') { $result[1]='no'; }
2868: return @result;
2869: }
2870:
2871:
2872:
2873:
2874:
1.11 albertel 2875: sub start_part {
1.326 albertel 2876: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 2877: if (!$Apache::lonxml::metamode) {
2878: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
2879: # duedates.
2880: }
1.159 albertel 2881: my $result='';
1.386 albertel 2882: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 2883: $Apache::inputtags::part=$id;
1.177 albertel 2884: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 2885: $Apache::inputtags::leniency='';
1.177 albertel 2886: @Apache::inputtags::response=();
1.159 albertel 2887: @Apache::inputtags::previous=();
2888: @Apache::inputtags::previous_version=();
1.405 albertel 2889: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 2890: &Apache::response::reset_params();
2891:
1.159 albertel 2892: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 2893: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
2894: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 2895: if ($Apache::lonhomework::type eq 'randomizetry') {
2896: my $rndseed=&setup_rndseed($safeeval,$target);
2897: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2898: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 2899: }
2900: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2901: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 2902: }
1.283 albertel 2903: my $in_order_show=&ordered_show_check();
1.214 albertel 2904: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 2905: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 2906: &Apache::run::run($expression,$safeeval);
1.159 albertel 2907:
2908: if ($target eq 'meta') {
1.224 www 2909: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
2910: return &Apache::response::mandatory_part_meta.
2911: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 2912: } elsif ($target eq 'web' || $target eq 'grade' ||
2913: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 2914: if ($hidden || !$in_order_show) {
1.326 albertel 2915: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 2916: } else {
2917: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
2918: push (@Apache::inputtags::status,$status);
2919: my $expression='$external::datestatus="'.$status.'";';
2920: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
2921: &Apache::run::run($expression,$safeeval);
1.284 albertel 2922: if ($env{'request.state'} eq 'construct') {
1.241 albertel 2923: &set_problem_state($Apache::inputtags::part);
1.240 albertel 2924: }
1.216 albertel 2925: if (( $status eq 'CLOSED' ) ||
2926: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2927: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 2928: ( $status eq 'BANNED') ||
2929: ( $status eq 'UNAVAILABLE') ||
2930: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 2931: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
2932: $style);
1.159 albertel 2933: if ( $target eq "web" ) {
1.211 albertel 2934: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 2935: } elsif ( $target eq 'tex' ) {
1.284 albertel 2936: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 2937: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 2938: } else {
1.211 albertel 2939: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 2940: }
1.159 albertel 2941: }
2942: } else {
2943: if ($target eq 'tex') {
1.284 albertel 2944: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 2945: if ($$tagstack[-2] eq 'td') {
1.388 foxr 2946: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 2947: } else {
2948: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
2949: }
1.195 sakharuk 2950: }
1.159 albertel 2951: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 2952: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2953: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 2954: my $allow_print_points = 0;
2955: foreach my $partial_key (@allkeys) {
1.230 albertel 2956: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 2957: if ($1 ne '0') {$allow_print_points=1;}
2958: }
2959: }
1.275 albertel 2960: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2961: if (defined($maxtries) && $maxtries < 0) {
2962: $allow_print_points=0;
2963: }
1.302 albertel 2964: if (lc($env{'course.'.$env{'request.course.id'}.
2965: '.disableexampointprint'}) eq 'yes') {
2966: $allow_print_points=0;
2967: }
1.463 foxr 2968: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 2969: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2970:
2971: }
1.233 www 2972: } elsif ($target eq 'web') {
1.479 raeburn 2973: if ($status eq 'CAN_ANSWER') {
2974: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2975: my $probrandomize = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].type");
2976: my $probrandtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].randomizeontries");
2977: my $num = scalar(@Apache::inputtags::partlist)-1;
2978: if ($probrandomize eq 'randomizetry') {
2979: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") ne 'randomizetry') {
2980: $result .= &randomizetry_part_header($problemstatus,'none',$num);
2981: } else {
2982: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2983: if ($probrandtries ne $reqtries) {
2984: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2985: }
2986: }
2987: } elsif (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") eq 'randomizetry') {
2988: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2989: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2990: }
2991: }
1.475 raeburn 2992: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 2993: }
2994: }
2995: }
2996: } elsif ($target eq 'edit') {
2997: $result.=&Apache::edit::tag_start($target,$token);
2998: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
2999: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 3000: ' '.
3001: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 3002: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
3003: } elsif ($target eq 'modified') {
3004: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 3005: $safeeval,'id','display');
1.159 albertel 3006: if ($constructtag) {
1.225 albertel 3007: #limiting ids to only letters numbers, and space
1.224 www 3008: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 3009: $result = &Apache::edit::rebuild_tag($token);
3010: }
3011: }
3012: return $result;
1.11 albertel 3013: }
3014:
3015: sub end_part {
1.159 albertel 3016: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3017: &Apache::lonxml::debug("in end_part $target ");
3018: my $status=$Apache::inputtags::status['-1'];
3019: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 3020: my $in_order_show=&ordered_show_check();
1.321 albertel 3021: my $result;
3022: if (!$Apache::lonxml::metamode) {
3023: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 3024: $Apache::lonxml::post_evaluate=0;
1.321 albertel 3025: }
1.312 albertel 3026: if ($target eq 'grade') {
1.249 albertel 3027: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 3028: !$hidden && $in_order_show) {
1.311 foxr 3029: $result.=&Apache::inputtags::grade;
1.249 albertel 3030: } else {
3031: # move any submission data to .hidden
3032: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3033: }
1.283 albertel 3034: } elsif (($target eq 'web' || $target eq 'tex') &&
3035: !$hidden && $in_order_show) {
1.159 albertel 3036: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3037: $target);
1.490 raeburn 3038: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3039: ($env{'form.grade_imsexport'})) {
1.212 albertel 3040: $gradestatus='';
3041: }
1.311 foxr 3042: $result.=$gradestatus;
1.265 sakharuk 3043: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 3044: } elsif ($target eq 'edit') {
1.311 foxr 3045: $result.=&Apache::edit::end_table();
1.322 albertel 3046: } elsif ($target eq 'modified') {
3047: $result .= $token->[2];
1.159 albertel 3048: }
3049: pop @Apache::inputtags::status;
3050: $Apache::inputtags::part='';
1.536 raeburn 3051: $Apache::inputtags::leniency='';
1.295 albertel 3052: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3053: return $result;
1.11 albertel 3054: }
1.1 albertel 3055:
1.25 albertel 3056: sub start_preduedate {
1.326 albertel 3057: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3058: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3059: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3060: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3061: if (!$Apache::lonhomework::scantronmode &&
3062: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3063: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3064: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3065: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3066: }
1.24 albertel 3067: }
1.159 albertel 3068: return '';
1.24 albertel 3069: }
3070:
1.25 albertel 3071: sub end_preduedate {
1.159 albertel 3072: return '';
1.24 albertel 3073: }
3074:
1.369 foxr 3075: # In all the modes where <postanswerdate> text is
3076: # displayable, all we do is eat up the text between the start/stop
3077: # tags if the conditions are not right to display it.
1.25 albertel 3078: sub start_postanswerdate {
1.326 albertel 3079: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3080: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3081: &Apache::lonnet::allowed('pav',
3082: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3083: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3084: $target eq 'tex' ) {
1.300 albertel 3085: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3086: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3087: (($target eq 'tex') && !$pav)) {
1.326 albertel 3088: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3089: }
3090: }
3091: return '';
1.24 albertel 3092: }
3093:
1.25 albertel 3094: sub end_postanswerdate {
1.159 albertel 3095: return '';
1.24 albertel 3096: }
3097:
1.25 albertel 3098: sub start_notsolved {
1.326 albertel 3099: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3100: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3101: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3102: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3103: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3104: if ($gradestatus =~ /^correct/ &&
3105: &Apache::response::show_answer()) {
1.159 albertel 3106: &Apache::lonxml::debug("skipping");
1.326 albertel 3107: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3108: }
1.24 albertel 3109: }
1.159 albertel 3110: return '';
1.24 albertel 3111: }
3112:
1.25 albertel 3113: sub end_notsolved {
1.159 albertel 3114: return '';
1.24 albertel 3115: }
3116:
3117: sub start_solved {
1.326 albertel 3118: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3119: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3120: $target eq 'tex') {
3121: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3122: if ($gradestatus !~ /^correct/ ||
3123: !&Apache::response::show_answer()) {
1.326 albertel 3124: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3125: }
1.24 albertel 3126: }
1.159 albertel 3127: return '';
1.24 albertel 3128: }
3129:
3130: sub end_solved {
1.248 albertel 3131: return '';
3132: }
3133:
3134: sub start_problemtype {
1.326 albertel 3135: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3136: my $result;
1.339 albertel 3137: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3138: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3139: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3140: if (!defined($mode)) { $mode='show'; }
3141: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3142: my $found=0;
3143: foreach my $type (split(',',$for)) {
3144: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3145: }
3146: if ($mode eq 'show' && !$found) {
1.326 albertel 3147: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3148: }
3149: if ($mode eq 'hide' && $found) {
1.326 albertel 3150: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3151: }
3152: } elsif ($target eq 'edit') {
3153: $result .=&Apache::edit::tag_start($target,$token);
3154: $result.=&Apache::edit::select_arg('Mode:','mode',
3155: [['show','Show'],
3156: ['hide','Hide']]
3157: ,$token);
3158: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 3159: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 3160: ['survey','Survey'],
1.465 raeburn 3161: ['surveycred','Survey (with credit)'],
3162: ['anonsurvey','Anonymous Survey'],
3163: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3164: ['problem','Homework Problem'],
1.479 raeburn 3165: ['practice','Practice Problem'],
3166: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3167: ,$token);
3168: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3169: } elsif ($target eq 'modified') {
3170: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3171: $safeeval,'mode','for');
3172: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3173: }
3174: return $result;
3175: }
3176:
3177: sub end_problemtype {
1.159 albertel 3178: return '';
1.24 albertel 3179: }
1.34 albertel 3180:
3181: sub start_startouttext {
1.159 albertel 3182: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3183: my @result=(''.'');
3184: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3185:
3186: my $nesting =
3187: &Apache::lonxml::set_state('outtext',
3188: &Apache::lonxml::get_state('outtext')+1);
3189: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3190: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3191: }
1.159 albertel 3192: return (@result);
1.34 albertel 3193: }
1.159 albertel 3194:
1.34 albertel 3195: sub end_startouttext {
1.326 albertel 3196: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3197: my $result='';
3198: my $text='';
3199: if ($target eq 'edit') {
1.424 foxr 3200: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3201: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3202: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3203: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3204: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3205: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3206: .'</span></td>'
1.550 raeburn 3207: .'<td><span id="math_'.$areaid.'">';
3208: if ($env{'environment.nocodemirror'}) {
3209: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3210: } else {
3211: $result.=' ';
3212: }
3213: $result.='</span></td>'
1.474 raeburn 3214: .'<td>'
3215: .&Apache::edit::insertlist($target,$token)
3216: .'</td>'
1.515 golterma 3217: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3218: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3219: &Apache::edit::end_row().
1.362 albertel 3220: &Apache::edit::start_spanning_row()."\n".
1.255 www 3221: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3222: }
3223: if ($target eq 'modified') {
1.219 albertel 3224: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3225: }
3226: if ($target eq 'tex') {
3227: $result .= '\noindent ';
3228: }
3229: return $result;
1.34 albertel 3230: }
1.159 albertel 3231:
1.34 albertel 3232: sub start_endouttext {
1.159 albertel 3233: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3234: my $result='';
3235: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3236: if ($target eq "modified") {
3237: $result='<endouttext />'.
1.377 albertel 3238: &Apache::edit::handle_insertafter('startouttext');
3239: }
1.404 albertel 3240:
3241: my $nesting =
3242: &Apache::lonxml::set_state('outtext',
3243: &Apache::lonxml::get_state('outtext')-1);
3244: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3245: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3246: &Apache::lonxml::set_state('outtext', 0);
3247: }
1.159 albertel 3248: return $result;
1.34 albertel 3249: }
1.159 albertel 3250:
1.34 albertel 3251: sub end_endouttext {
1.159 albertel 3252: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3253: my @result=('','');
3254: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3255: return (@result);
1.34 albertel 3256: }
1.159 albertel 3257:
1.45 albertel 3258: sub delete_startouttext {
1.326 albertel 3259: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3260: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3261: my $text=$$parser['-1']->get_text("/endouttext");
3262: my $ntoken=$$parser['-1']->get_token();
3263: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3264: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3265: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3266: # they did the last time round
3267: &Apache::lonxml::increasedepth($ntoken);
3268: &Apache::lonxml::decreasedepth($ntoken);
3269: return 1;
1.193 www 3270: }
3271:
3272: sub start_simpleeditbutton {
3273: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3274: my $result='';
1.284 albertel 3275: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3276: ($target eq 'web') &&
1.330 albertel 3277: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3278: my $url=$env{'request.noversionuri'};
1.193 www 3279: $url=~s/\?.*$//;
1.367 albertel 3280: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3281: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3282: # $result='<p class="LC_warning">'
3283: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3284: # .&Apache::loncommon::help_open_topic('Caching')
3285: # .'</p>';
1.486 www 3286: $result.=&Apache::loncommon::head_subbox(
3287: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3288: .&Apache::lonhtmlcommon::add_item_funclist(
3289: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3290: .&mt('Edit').'</a>')
1.486 www 3291: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3292:
1.193 www 3293: }
3294: return $result;
3295: }
3296:
3297: sub end_simpleeditbutton {
3298: return '';
1.45 albertel 3299: }
1.34 albertel 3300:
1.428 raeburn 3301: sub practice_problem_header {
1.556 raeburn 3302: return '<h3 class="LC_info">'.&mt('Practice Problem').'</h3>'.
1.428 raeburn 3303: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3304: '</span>';
3305: }
3306:
1.479 raeburn 3307: sub randomizetry_problem_header {
3308: my ($problemstatus,$reqtries) = @_;
3309: my ($header,$text);
3310: if ($reqtries > 1) {
3311: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3312: if (($problemstatus eq 'no') ||
3313: ($problemstatus eq 'no_feedback_ever')) {
3314: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3315: } else {
3316: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3317: }
3318: } else {
3319: $header = &mt('New Problem Variation Each Try');
3320: if (($problemstatus eq 'no') ||
3321: ($problemstatus eq 'no_feedback_ever')) {
3322: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3323:
3324: } else {
3325: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3326: }
3327: }
1.556 raeburn 3328: return '<h3 class="LC_info">'.$header.'</h3>'.
1.479 raeburn 3329: '<span class="LC_info">'.$text.'</span><hr />';
3330: }
3331:
3332: sub randomizetry_part_header {
3333: my ($problemstatus,$reqtries,$num) = @_;
3334: my ($header,$text);
3335: if ($reqtries eq 'none') {
3336: $header = &mt('No Question Variation');
3337: $text = &mt('For this question there will no new variation after a try.');
3338: } elsif ($reqtries > 1) {
3339: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3340: if (($problemstatus eq 'no') ||
3341: ($problemstatus eq 'no_feedback_ever')) {
3342: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3343: } else {
3344: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3345: }
3346: } else {
3347: $header = &mt('New Question Variation For Each Try');
3348: if (($problemstatus eq 'no') ||
3349: ($problemstatus eq 'no_feedback_ever')) {
3350: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3351: } else {
3352: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3353: }
3354: }
3355: my $output;
3356: if ($num > 1) {
3357: $output .= '<hr />';
3358: }
1.556 raeburn 3359: $output .= '<h4 class="LC_info">'.$header.'</h4>'.
1.479 raeburn 3360: '<span class="LC_info">'.$text.'</span><br /><br />';
3361: return $output;
3362: }
3363:
1.1 albertel 3364: 1;
3365: __END__
1.435 jms 3366:
3367: =pod
3368:
3369: =back
3370:
3371: =cut
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