Annotation of loncom/homework/structuretags.pm, revision 1.565
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.565 ! raeburn 4: # $Id: structuretags.pm,v 1.564 2019/10/31 15:01:22 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: }
1.565 ! raeburn 706: if ((($env{'request.state'} eq "construct") || ($symb eq '')) &&
1.479 raeburn 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')) {
1.565 ! raeburn 1851: my $rndseedval = $rndseed;
! 1852: if (($symb eq '') && ($Apache::lonhomework::type eq 'randomizetry')) {
! 1853: $rndseedval = $env{'form.rndseed'};
! 1854: }
1.162 albertel 1855: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.565 ! raeburn 1856: $rndseedval.'" />'.
1.551 damieng 1857: '<button type="submit" name="resetdata"
1858: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1859: if (exists($env{'form.username'})) {
1860: $form_tag_start.=
1.164 albertel 1861: '<input type="hidden" name="username"
1.284 albertel 1862: value="'.$env{'form.username'}.'" />';
1.334 albertel 1863: }
1.462 raeburn 1864: if ($env{'request.role.adv'}) {
1865: $form_tag_start.= ' <label class="LC_nobreak">'
1866: .'<input type="checkbox" name="showallfoils"';
1867: if (defined($env{'form.showallfoils'})) {
1868: $form_tag_start.=' checked="checked"';
1869: }
1870: $form_tag_start.= ' /> '
1871: .&mt('Show All Foils')
1872: .'</label>';
1873: }
1.417 www 1874: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1875: $form_tag_start.=&practice_problem_header();
1.417 www 1876: }
1.462 raeburn 1877: $form_tag_start.='<hr />';
1.565 ! raeburn 1878: }
! 1879: if (($env{'request.state'} ne "construct") &&
! 1880: ($Apache::lonhomework::type eq 'randomizetry') &&
! 1881: ($status eq 'CAN_ANSWER') &&
! 1882: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
! 1883: (!$env{'request.role.adv'})) {
1.549 raeburn 1884: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.479 raeburn 1885: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1886: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1887: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries);
1888: }
1.324 albertel 1889:
1.159 albertel 1890: my $expression='$external::datestatus="'.$status.'";';
1891: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
1892: &Apache::run::run($expression,$safeeval);
1893: &Apache::lonxml::debug("Got $status");
1.324 albertel 1894:
1.159 albertel 1895: if (( $status eq 'CLOSED' ) ||
1896: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1897: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 1898: ( $status eq 'BANNED') ||
1.216 albertel 1899: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 1900: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 1901: ( $status eq 'NOTRESERVABLE') ||
1902: ( $status eq 'RESERVABLE') ||
1903: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 1904: ( $status eq 'INVALID_ACCESS') ||
1905: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 1906: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1907: $style);
1.561 raeburn 1908: if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
1909: $result .= '<p class="LC_error">'.
1910: &mt('A problem occurred when trying to start the timer.').'</p>';
1911: }
1.557 raeburn 1912: $result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);
1.324 albertel 1913: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1914: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1915: $style);
1.557 raeburn 1916: $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 1917: } elsif ($target eq 'web') {
1.508 raeburn 1918: if ($status eq 'CAN_ANSWER') {
1919: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
1920: if ($slot_name ne '') {
1.557 raeburn 1921: $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
1922: $env{'request.symb'});
1.508 raeburn 1923: }
1924: if ($resource_due) {
1925: my $time_left = $resource_due - time();
1926: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
1927: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
1928: }
1929: }
1930: }
1.368 albertel 1931: $result.="\n $form_tag_start \t".
1.227 albertel 1932: '<input type="hidden" name="submitted" value="yes" />';
1933: # create a page header and exit
1.284 albertel 1934: if ($env{'request.state'} eq "construct") {
1.544 damieng 1935: if ($env{'form.inhibitmenu'} eq 'yes') {
1936: # error messages can be useful in any case
1937: $result.= &Apache::lonxml::message_location();
1938: } else {
1.542 raeburn 1939: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1940: }
1.428 raeburn 1941: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 1942: $result.= '<button type="submit" name="resetdata" '.
1943: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
1944: &practice_problem_header().'<hr />';
1.564 raeburn 1945: } elsif ($Apache::lonhomework::type eq 'randomizetry') {
1946: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1947: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1948: $result.=&randomizetry_problem_header($problemstatus,$reqtries);
1.428 raeburn 1949: }
1.227 albertel 1950: }
1951: # if we are viewing someone else preserve that info
1.284 albertel 1952: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1953: foreach my $field ('symb','courseid','domain','username') {
1954: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1955: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1956: }
1.479 raeburn 1957: foreach my $field ('trial','questiontype') {
1958: if ($env{"form.grade_$field"} ne '') {
1959: $result .= '<input type="hidden" name="grade_'.$field.
1960: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1961: }
1962: }
1.159 albertel 1963: }
1.490 raeburn 1964: if ($env{'form.grade_imsexport'}) {
1965: $result = '';
1966: }
1.159 albertel 1967: } elsif ($target eq 'tex') {
1.319 foxr 1968: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 1969: $result .= &select_metadata_hyphenation();
1.99 sakharuk 1970: }
1.159 albertel 1971: } elsif ($target eq 'edit') {
1.343 albertel 1972: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1973: $Apache::lonxml::warnings_error_header=
1974: &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 1975: my $temp=&Apache::edit::insertlist($target,$token);
1976: $result.=$temp;
1977: } elsif ($target eq 'modified') {
1978: $result=$token->[4];
1979: } else {
1980: # page_start returned a starting result, delete it if we don't need it
1981: $result = '';
1.99 sakharuk 1982: }
1.159 albertel 1983: return $result;
1.9 albertel 1984: }
1985:
1986: sub end_problem {
1.159 albertel 1987: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 1988: my $result;
1.310 foxr 1989:
1.321 albertel 1990: if (!$Apache::lonxml::metamode) {
1991: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 1992: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1993: }
1.319 foxr 1994:
1995: if ($target eq 'tex') {
1.321 albertel 1996: # Figure out the front matter and replace the
1997: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1998: # this in end_problem because whether or not we display due
1999: # dates depends on whether due dates have already been
2000: # displayed in the problem parts.
2001:
1.319 foxr 2002: my $frontmatter = '';
2003: my $startminipage = '';
2004: if (not $env{'form.problem_split'}=~/yes/) {
2005: $startminipage = '\begin{minipage}{\textwidth}';
2006: }
2007: my $id = $Apache::inputtags::part;
2008: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
2009: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2010: my @packages = split(/,/,$packages);
1.319 foxr 2011: my $allow_print_points = 0;
2012: foreach my $partial_key (@packages) {
2013: if ($partial_key=~m/^part_0$/) {
2014: $allow_print_points=1;
2015: }
2016: }
2017: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2018: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
2019: if (lc($env{'course.'.$env{'request.course.id'}.
2020: '.disableexampointprint'}) eq 'yes') {
2021: $allow_print_points=0;
2022: }
2023: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 2024: 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 2025: &clear_required_languages();
1.319 foxr 2026: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
2027: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
2028:
2029: # Figure out what the due date is and if we need to print
2030: # it in the problem header. We have been logging the
2031: # last due date written to file.
2032:
2033: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2034: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2035: my $duedate_text = &mt('Due date: [_1]'
2036: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2037: my $temp_file;
2038: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2039:
2040: # Figure out what the last printed due date is or set it
2041: # to the epoch if no duedates have been printed.
2042:
2043: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2044: if (-e $filename) {
2045: $temp_file = Apache::File->new($filename);
2046: my @due_file = <$temp_file>;
2047: $due_file_content = $due_file[$#due_file];
2048: chomp $due_file_content;
2049: }
2050:
2051: # We display the due date iff it is not the same as the last
2052: # duedate in problem header ($due_file_content), and
2053: # none of our parts displayed a duedate.
2054: #
2055: my $parts_with_displayduedate;
2056: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2057: $parts_with_displayduedate =
2058: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2059: } else {
2060: $parts_with_displayduedate = 0;
2061: }
2062: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2063: $temp_file = Apache::File->new('>'.$filename);
2064: print $temp_file "$duetime\n";
2065: if (not $env{'request.symb'} =~ m/\.page_/) {
2066: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2067: $frontmatter .= $begin_doc.
1.448 bisitz 2068: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2069: } else {
2070: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2071: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2072: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2073: }
1.319 foxr 2074: }
2075: } else {
1.448 bisitz 2076: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2077: }
2078: } else {
2079: if (not $env{'request.symb'} =~ m/\.page_/) {
2080: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2081: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2082: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2083: }
1.319 foxr 2084: } else {
1.381 albertel 2085: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2086: }
2087: }
2088: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
2089: }
2090:
1.159 albertel 2091: my $status=$Apache::inputtags::status['-1'];
2092: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2093: $target eq 'tex') {
1.249 albertel 2094: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2095: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2096: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2097: &Apache::inputtags::grade;
1.324 albertel 2098: } elsif ($status eq 'NEEDS_CHECKIN') {
2099: # no need to grade, and don't want to hide data
1.249 albertel 2100: } else {
2101: # move any submission data to .hidden
2102: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2103: }
1.159 albertel 2104: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2105: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2106: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2107: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2108: # if part is zero, no <part>s existed, so we need show the current
2109: # grading status
2110: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2111: $result.= $gradestatus;
2112: }
2113: if (
1.284 albertel 2114: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2115: ($target eq 'answer') || ($target eq 'tex')
2116: ) {
1.490 raeburn 2117: if (($target ne 'tex') &&
2118: ($env{'form.answer_output_mode'} ne 'tex') &&
2119: (!$env{'form.grade_imsexport'})) {
1.254 www 2120: $result.="</form>";
1.159 albertel 2121: }
2122: if ($target eq 'web') {
1.507 raeburn 2123: #
2124: # Closing </body></html> not added by end_page().
2125: # Added separately at end of this routine, after added
2126: # <script></script> so document will be valid xhtml.
2127: #
1.546 raeburn 2128: my $showdisc = 1;
1.547 raeburn 2129: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
2130: (!$env{'request.role.adv'})) {
2131: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 2132: $showdisc = 0;
1.547 raeburn 2133: my ($symb)= &Apache::lonnet::whichuser();
2134: if ($symb) {
2135: my $navmap = Apache::lonnavmaps::navmap->new();
2136: if (ref($navmap)) {
2137: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
2138: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 2139: # and there are no tries left
1.547 raeburn 2140: unless ($hastries) {
2141: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
2142: my ($score,$incomplete) =
2143: &Apache::lonplacementtest::check_completion(undef,undef,1);
2144: if (!$incomplete) {
2145: $result .= &Apache::lonplacementtest::showresult(1,1);
2146: } elsif ($incomplete < 100) {
2147: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
2148: }
2149: } else {
2150: # For Placement Tests score is displayed if test has just been completed
2151: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
2152: if (!$incomplete) {
2153: $result.= &Apache::lonplacementtest::showresult(1,1);
2154: }
2155: }
2156: }
2157: }
2158: }
1.546 raeburn 2159: }
2160: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 2161: 'notbody' => 1});
1.159 albertel 2162: } elsif ($target eq 'tex') {
1.178 sakharuk 2163: my $endminipage = '';
1.284 albertel 2164: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2165: $endminipage = '\end{minipage}';
2166: }
1.284 albertel 2167: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2168: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2169: } else {
1.262 sakharuk 2170: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2171: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2172: $result .= $endminipage.'\end{document} ';
2173: } else {
1.382 albertel 2174: $result .= $endminipage;
1.262 sakharuk 2175: }
1.159 albertel 2176: }
2177: }
2178: }
1.476 www 2179: if ($target eq 'web') {
2180: $result.=&Apache::functionplotresponse::init_script();
2181: }
1.159 albertel 2182: if ($target eq 'grade') {
2183: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2184: &finalize_storage();
2185: }
1.284 albertel 2186: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2187: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2188: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2189: # normally we get it from above, but in CSTR
1.172 albertel 2190: # we always show answer mode too.
1.159 albertel 2191: }
2192: } elsif ($target eq 'meta') {
2193: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2194: @Apache::inputtags::response=();
1.159 albertel 2195: $result=&Apache::response::mandatory_part_meta;
2196: }
1.559 raeburn 2197: $result.=&Apache::response::meta_part_order('problem');
1.258 albertel 2198: $result.=&Apache::response::meta_response_order();
1.159 albertel 2199: } elsif ($target eq 'edit') {
2200: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2201: $result .= &problem_edit_footer();
1.320 albertel 2202: } elsif ($target eq 'modified') {
2203: $result .= $token->[2];
1.159 albertel 2204: }
1.155 albertel 2205:
1.284 albertel 2206: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2207: &Apache::inputtags::check_for_duplicate_ids();
2208: }
1.204 albertel 2209:
2210: &reset_problem_globals('problem');
1.159 albertel 2211:
1.502 foxr 2212: #
2213: # This shouild be just above the return so that the
2214: # time put in the javascript is as late as possible in the
2215: # computation:
2216: #
2217: if ($target eq 'web') {
2218: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2219: #
2220: # Closing tags delayed so any <script></script> tags
2221: # not in head can appear inside body, for valid xhtml.
2222: #
2223: $result .= "</body>\n</html>";
1.502 foxr 2224: }
1.159 albertel 2225: return $result;
1.48 albertel 2226: }
2227:
1.108 albertel 2228:
1.48 albertel 2229: sub start_library {
1.159 albertel 2230: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2231: my ($result,$form_tag_start);
1.371 albertel 2232: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2233: &init_problem_globals('library');
2234: $Apache::lonhomework::type='problem';
2235: }
1.159 albertel 2236: if ($target eq 'edit') {
1.343 albertel 2237: ($result,$form_tag_start)=
2238: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2239: 'Edit');
2240: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2241: my $temp=&Apache::edit::insertlist($target,$token);
2242: $result.=$temp;
2243: } elsif ($target eq 'modified') {
2244: $result=$token->[4];
1.340 albertel 2245: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2246: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2247: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2248: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2249: ($result,$form_tag_start)=
2250: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2251: $name);
1.479 raeburn 2252: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2253: $result.=" \n $form_tag_start".
1.159 albertel 2254: '<input type="hidden" name="submitted" value="yes" />';
2255: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2256: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2257: $result.= '<button type="submit" name="resetdata" '.
2258: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2259: &practice_problem_header().'<hr />';
1.428 raeburn 2260: }
1.159 albertel 2261: }
2262: return $result;
1.48 albertel 2263: }
2264:
2265: sub end_library {
1.159 albertel 2266: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2267: my $result='';
2268: if ($target eq 'edit') {
2269: $result=&problem_edit_footer();
1.371 albertel 2270: } elsif ($target eq 'web'
2271: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2272: && $env{'request.state'} eq "construct") {
1.349 albertel 2273: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.558 raeburn 2274: } elsif ($target eq 'meta') {
1.559 raeburn 2275: $result.=&Apache::response::meta_part_order('library');
1.558 raeburn 2276: $result.=&Apache::response::meta_response_order();
1.159 albertel 2277: }
1.371 albertel 2278: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2279: &reset_problem_globals('library');
2280: }
1.159 albertel 2281: return $result;
1.197 www 2282: }
2283:
2284: sub start_definetag {
1.326 albertel 2285: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2286:
2287: my $result;
2288:
2289: my $name = $token->[2]->{'name'};
1.326 albertel 2290: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2291: if ($target eq 'web') {
2292: if ($name=~/^\//) {
2293: $result=
2294: '<br /><table class="LC_sty_end"><tr><th>'.
2295: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2296: } else {
2297: $result=
2298: '<br /><table class="LC_sty_begin"><tr><th>'.
2299: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2300: }
2301: $skip = &HTML::Entities::encode($skip, '<>&"');
2302: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2303: }
2304: return $result;
2305: }
2306:
2307: sub end_definetag {
2308: return '';
1.1 albertel 2309: }
2310:
2311: sub start_block {
1.201 albertel 2312: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2313:
2314: my $result;
1.1 albertel 2315:
1.339 albertel 2316: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2317: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2318: my $code = $token->[2]->{'condition'};
1.385 albertel 2319: if (defined($code) && $code ne '') {
1.137 albertel 2320: if (!$Apache::lonxml::default_homework_loaded) {
2321: &Apache::lonxml::default_homework_load($safeeval);
2322: }
1.131 albertel 2323: $result = &Apache::run::run($code,$safeeval);
2324: &Apache::lonxml::debug("block :$code: returned :$result:");
2325: } else {
2326: $result='1';
2327: }
2328: if ( ! $result ) {
1.201 albertel 2329: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2330: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2331: }
2332: $result='';
2333: } elsif ($target eq 'edit') {
2334: $result .=&Apache::edit::tag_start($target,$token);
2335: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2336: $token,40);
2337: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2338: } elsif ($target eq 'modified') {
2339: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2340: $safeeval,'condition');
2341: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2342: }
1.131 albertel 2343: return $result;
1.1 albertel 2344: }
2345:
2346: sub end_block {
1.167 www 2347: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2348: my $result;
2349: if ($target eq "edit") {
2350: $result.= &Apache::edit::tag_end($target,$token,'');
2351: }
2352: return $result;
2353: }
1.500 foxr 2354: #
2355: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2356: # ...
2357: # </languageblock>
2358: #
2359: # This declares the intent to provide content that can be rendered in the
2360: # set of languages in the include specificatino but not in the exclude
2361: # specification. If a currently preferred language is in the include list
2362: # the content in the <languageblock>...</languageblock> is rendered
2363: # If the currently preferred language is in the exclude list,
2364: # the content in the <languageblock>..></languageblock is not rendered.
2365: #
2366: # Pathalogical case handling:
2367: # - Include specified, without the preferred language but exclude specified
2368: # also without the preferred langauge results in rendering the block.
2369: # - Exclude specified without include and excluden not containing a
2370: # preferred language renders the block.
2371: # - Include and exclude both specifying the preferred language does not
2372: # render the block.
2373: # - If neither include/exclude is specified, the block gets rendered.
2374: #
2375: # This tag has no effect when target is in {edit, modified}
2376: #
1.167 www 2377: sub start_languageblock {
1.201 albertel 2378: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2379:
1.500 foxr 2380: my $result = '';
1.167 www 2381:
1.339 albertel 2382: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2383: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2384: my $include = $token->[2]->{'include'};
2385: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2386: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2387:
2388: # This should not even happen, since we should at least have the server language
2389:
2390: if (!$preferred_languages[0]) {
2391: $preferred_languages[0]='en';
2392: }
2393:
2394: # Now loop over all languages in order of preference
2395:
2396: my $render;
1.398 www 2397: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2398:
2399: # If neither include/nor exlude is present the block is going
2400: # to get rendered.
2401:
1.399 www 2402: my $found=0;
1.500 foxr 2403: $render=1;
2404:
2405: # If include is specified, don't render the block
2406: # unless the preferred language is included in the set.
2407:
1.398 www 2408: if ($include) {
1.500 foxr 2409: $render=0;
1.398 www 2410: foreach my $included_language (split(/\,/,$include)) {
2411: if ($included_language eq $preferred_language) {
1.500 foxr 2412: $render=1;
1.399 www 2413: $found=1;
1.500 foxr 2414: last; # Only need to find the first.
1.398 www 2415: }
2416: }
2417: }
1.500 foxr 2418: # Do we have an exclude argument?
2419: # If so, and one of the languages matches a preferred language
2420: # inhibit rendering the block. Note that in the pathalogical case the
2421: # author has specified a preferred language in both the include and exclude
2422: # attribte exclude is preferred.
2423:
1.398 www 2424: if ($exclude) {
1.500 foxr 2425: $render=1;
1.398 www 2426: foreach my $excluded_language (split(/\,/,$exclude)) {
2427: if ($excluded_language eq $preferred_language) {
1.500 foxr 2428: $render=0;
1.399 www 2429: $found=1;
1.500 foxr 2430: last; # Only need to find the first.
1.398 www 2431: }
2432: }
2433: }
1.500 foxr 2434: if ($found) {
2435: last; # Done on any match of include or exclude.
2436: }
1.398 www 2437: }
1.500 foxr 2438: # If $render not true skip the entire block until </languageblock>
2439: #
2440:
2441: if ( ! $render ) {
1.201 albertel 2442: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2443: $style);
2444: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2445: }
1.500 foxr 2446: # If $render is true, we've not skipped the contents of the <languageglock>
2447: # and the normal loncapa processing flow will render it as a matter of course.
2448:
1.167 www 2449: } elsif ($target eq 'edit') {
2450: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2451: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2452: $token,40);
1.211 albertel 2453: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2454: $token,40);
2455: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2456: } elsif ($target eq 'modified') {
2457: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2458: $safeeval,'include',
2459: 'exclude');
1.167 www 2460: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2461: }
2462: return $result;
2463: }
2464:
2465: sub end_languageblock {
1.170 www 2466: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2467: my $result;
1.201 albertel 2468: if ($target eq "edit") {
1.170 www 2469: $result.= &Apache::edit::tag_end($target,$token,'');
2470: }
2471: return $result;
2472: }
1.500 foxr 2473: # languagblock specific tags:
2474: {
2475: # For chunks of a resource that has translations, this hash contains
2476: # the translations available indexed by language name.
2477: #
2478:
2479: my %available_texts;
1.170 www 2480:
1.500 foxr 2481: # <translated> starts a block of a resource that has multiple translations.
2482: # See the <lang> tag as well.
2483: # When </translated> is encountered if there is a translation for the
2484: # currently preferred language, that is rendered inthe web/tex/webgrade
2485: # targets. Otherwise, the default text is rendered.
2486: #
2487: # Note that <lang> is only registered for the duration of the
2488: # <translated>...</translated> block
2489: #
2490: # Pathalogical case handling:
2491: # - If there is no <lang> that specifies a 'default' and there is no
2492: # translation that matches a preferred language, nothing is rendered.
2493: # - Nested <translated>...</translated> might be linguistically supported by
2494: # XML due to the stack nature of tag registration(?) however the rendered
2495: # output will be incorrect because there is only one %available_texts
2496: # has and end_translated clears it.
2497: # - Material outside of a <lang>...</lang> block within the
2498: # <translated>...<translated> block won't render either e.g.:
2499: # <translated>
2500: # The following will be in your preferred langauge:
2501: # <lang which='en'>
2502: # This section in english
2503: # </lang>
2504: # <lang which='sgeiso'>
2505: # Hier es ist auf Deutsch.
2506: # </lang>
2507: # <lang which='sfriso'>
2508: # En Francais
2509: # </lang>
2510: # </translated>
2511: #
2512: # The introductory text prior to the first <lang> tag is not rendered.
2513: #
1.397 albertel 2514: sub start_translated {
2515: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2516: &Apache::lonxml::register('Apache::structuretags',('lang'));
2517: undef(%available_texts);
2518: }
2519:
2520: sub end_translated {
2521: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2522: my $result;
2523: #show the translation on viewable targets
2524: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2525: # or non-viewable targets, if it's embedded in something that
2526: # wants the output
2527: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2528: && &Apache::lonxml::in_redirection() ) ) {
2529: my @possibilities = keys(%available_texts);
2530: my $which =
2531: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2532: if ($target eq 'tex') {
2533: $result = &select_hyphenation($which);
2534: }
2535: $result .= $available_texts{$which};
2536: if ($target eq 'tex') {
2537: $result .= &select_metadata_hyphenation(); # Restore original language.
2538: }
1.397 albertel 2539: }
2540: undef(%available_texts);
2541: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2542: return $result;
2543: }
2544:
1.500 foxr 2545: # <lang [which='language-name'] [other='lang1,lang2...']>
2546: # Specifies that the block contained within it is a translation
2547: # for a specific language specified by the 'which' attribute. The
2548: # 'other' attribute can be used by itself or in conjunction with
2549: # which to specify this tag _may_ be used as a translation for some
2550: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2551: # specifying that the block provides a translation for US (primary)
2552: # Canadian, Australian and UK Englush.
2553: #
2554: # Comment: this seems a bit silly why not just support a list of languages
2555: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2556: #
2557: # Effect:
2558: # The material within the <lang>..</lang> block is stored in the
2559: # specified set of $available_texts hash entries, the appropriate one
2560: # is selected at </translated> time.
2561: #
2562: # Pathalogical case handling:
2563: # If a language occurs multiple times within a <translated> block,
2564: # only the last one is rendered e.g.:
2565: #
2566: # <translated>
2567: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2568: # Red green color blindness is quite common affecting about 7.8% of
2569: # the male population, but onloy about .65% of the female population.
2570: # </lang>
2571: # Red green colour blindness is quite common affecting about 7.8% of
2572: # the male population, but onloy about .65% of the female population.
2573: # <lang which='seniso', other='senisoCA,senisoAU'>
2574: # </translated>
2575: #
2576: # renders the correct spelling of color (colour) for people who have specified
2577: # a preferred language that is one of the British Commonwealth languages
2578: # even though those are also listed as valid selections for the US english
2579: # <lang> block.
2580: #
1.397 albertel 2581: sub start_lang {
2582: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2583: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2584: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2585: &Apache::lonxml::startredirection();
2586: }
2587: return '';
2588: }
2589:
2590: sub end_lang {
2591: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2592: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2593: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2594: my $result = &Apache::lonxml::endredirection();
2595: my $which = &Apache::lonxml::get_param('which',$parstack,
2596: $safeeval);
1.431 raeburn 2597: if ($which=~/\w/) {
2598: $available_texts{$which} = $result;
2599: }
2600: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2601: $safeeval);
2602: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2603: if ($language=~/\w/) {
2604: $available_texts{$language} = $result;
2605: }
1.427 bisitz 2606: }
2607:
1.397 albertel 2608: }
2609: return '';
2610: }
1.500 foxr 2611: } # end langauge block specific tags.
2612:
1.397 albertel 2613:
1.170 www 2614: sub start_instructorcomment {
1.201 albertel 2615: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2616:
2617: my $result;
2618:
1.339 albertel 2619: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2620: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2621: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2622: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2623: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2624: $parser,$style);
1.170 www 2625: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2626: }
2627: $result='';
2628: } elsif ($target eq 'edit') {
2629: $result .=&Apache::edit::tag_start($target,$token);
2630: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2631: }
2632: return $result;
2633: }
2634:
2635: sub end_instructorcomment {
1.159 albertel 2636: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2637: my $result;
2638: if ($target eq "edit") {
2639: $result.= &Apache::edit::tag_end($target,$token,'');
2640: }
2641: return $result;
1.4 tsai 2642: }
2643:
2644: sub start_while {
1.326 albertel 2645: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2646:
1.160 albertel 2647: my $result;
1.339 albertel 2648: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2649: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2650: my $code = $token->[2]->{'condition'};
1.4 tsai 2651:
1.160 albertel 2652: push( @Apache::structuretags::whileconds, $code);
2653: if (!$Apache::lonxml::default_homework_loaded) {
2654: &Apache::lonxml::default_homework_load($safeeval);
2655: }
2656: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2657: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2658: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2659: push( @Apache::structuretags::whileline, $token->[5]);
2660: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2661: if ( $result ) {
2662: &Apache::lonxml::newparser($parser,\$bodytext);
2663: }
2664: } elsif ($target eq 'edit') {
2665: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2666: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2667: $token,40);
2668: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2669: } elsif ($target eq 'modified') {
2670: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2671: $safeeval,'condition');
2672: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2673: }
1.160 albertel 2674: return $result;
1.4 tsai 2675: }
2676:
2677: sub end_while {
1.159 albertel 2678: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2679: my $result;
2680:
1.339 albertel 2681: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2682: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2683: my $code = pop(@Apache::structuretags::whileconds);
2684: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2685: my $line = pop(@Apache::structuretags::whileline);
2686: my $return = &Apache::run::run($code,$safeeval);
2687: my $starttime=time;
2688: my $error=0;
2689: while ($return) {
2690: if (time-$starttime >
2691: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2692: $return = 0; $error=1; next;
1.161 albertel 2693: }
2694: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2695: if ($target eq 'grade' || $target eq 'answer' ||
2696: $target eq 'analyze') {
2697: # grade/answer/analyze should produce no output but if we
2698: # are redirecting, the redirecter should know what to do
2699: # with the output
2700: if (!$Apache::lonxml::redirection) { undef($result); }
2701: }
1.161 albertel 2702: $return = &Apache::run::run($code,$safeeval);
2703: }
1.516 bisitz 2704: if ($error) {
2705: &Apache::lonxml::error(
2706: '<pre>'
2707: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2708: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2709: .&mt('This occurred while running <while> on line [_1].',
2710: $line)
2711: .'</pre>');
2712: }
1.160 albertel 2713: } elsif ($target eq "edit") {
2714: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2715: }
1.160 albertel 2716: return $result;
1.1 albertel 2717: }
1.6 tsai 2718:
1.160 albertel 2719: # <randomlist show="1">
1.6 tsai 2720: # <tag1>..</tag1>
2721: # <tag2>..</tag2>
2722: # <tag3>..</tag3>
1.160 albertel 2723: # ...
1.6 tsai 2724: # </randomlist>
2725: sub start_randomlist {
1.326 albertel 2726: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2727: my $result;
1.339 albertel 2728: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2729: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2730: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2731: my $b_parser= HTML::LCParser->new(\$body);
2732: $b_parser->xml_mode(1);
2733: $b_parser->marked_sections(1);
1.159 albertel 2734: my $b_tok;
2735: my @randomlist;
2736: my $list_item;
2737: while($b_tok = $b_parser->get_token() ) {
2738: if($b_tok->[0] eq 'S') { # start tag
2739: # get content of the tag until matching end tag
2740: # get all text upto the matching tag
2741: # and push the content into @randomlist
2742: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2743: $b_parser);
2744: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2745: push(@randomlist,$list_item);
2746: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2747: # $list_item</b>";
2748: }
2749: if($b_tok->[0] eq 'T') { # text
2750: # what to do with text in between tags?
2751: # print "<b>TEXT $b_tok->[1]</b><br />";
2752: }
2753: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2754: # print "<b>END-TAG $b_tok->[1]</b><br />";
2755: # }
2756: }
1.303 albertel 2757: if (@randomlist) {
2758: my @idx_arr = (0 .. $#randomlist);
1.555 raeburn 2759: if ($env{'form.code_for_randomlist'}) {
2760: &Apache::structuretags::shuffle(\@idx_arr,$target);
2761: undef($env{'form.code_for_randomlist'});
2762: } else {
2763: &Apache::structuretags::shuffle(\@idx_arr);
2764: }
1.303 albertel 2765: my $bodytext = '';
2766: my $show=$#randomlist;
2767: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2768: $showarg--;
2769: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2770: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2771: my @currlist;
2772: my $part = $Apache::inputtags::part;
2773: if ($part ne '') {
2774: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2775: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2776: if (!(grep(/^\Q$part\E$/,@currlist))) {
2777: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2778: }
2779: } else {
2780: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2781: }
2782: }
2783: }
1.526 raeburn 2784: for my $i (0 .. $show) {
2785: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2786: }
2787: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2788: }
2789: } elsif ($target eq 'edit' ) {
2790: $result .=&Apache::edit::tag_start($target,$token);
2791: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2792: $token,5);
2793: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2794: } elsif ($target eq 'modified' ) {
2795: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2796: $safeeval,'show');
2797: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2798: }
2799: return $result;
1.7 tsai 2800: }
2801:
2802: sub shuffle {
1.555 raeburn 2803: my ($a,$target) = @_;
1.7 tsai 2804: my $i;
1.303 albertel 2805: if (ref($a) eq 'ARRAY' && @$a) {
1.555 raeburn 2806: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2807: for($i=@$a;--$i;) {
2808: my $j=int(&Math::Random::random_uniform() * ($i+1));
2809: next if $i == $j;
2810: @$a[$i,$j] = @$a[$j,$i];
2811: }
1.251 albertel 2812: &Apache::response::poprandomnumber();
1.7 tsai 2813: }
1.6 tsai 2814: }
2815:
2816: sub end_randomlist {
1.159 albertel 2817: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2818: my $result;
2819: if ($target eq 'edit' ) {
2820: $result=&Apache::edit::tag_end($target,$token,
2821: 'End Randomly Parsed Block');
2822: }
2823: return $result;
1.6 tsai 2824: }
2825:
1.283 albertel 2826: sub ordered_show_check {
2827: my $last_part=$Apache::inputtags::partlist[-2];
2828: my $in_order=
2829: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2830: my $in_order_show=1;
2831: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2832: $in_order_show=&Apache::response::check_status($last_part);
2833: }
2834: return $in_order_show;
2835: }
2836:
1.469 www 2837:
2838: sub start_startpartmarker {
2839: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2840: my $result='';
2841: if ($target eq 'edit') {
2842: $result=&Apache::edit::tag_start($target,$token);
2843: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2844: $result.=&Apache::edit::end_table();
2845:
2846: }
2847: return $result;
2848: }
2849:
2850: sub end_startpartmarker {
2851: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2852: my @result;
2853: if ($target eq 'edit') { $result[1]='no'; }
2854: return @result;
2855: }
2856:
2857: sub start_endpartmarker {
2858: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2859: my $result='';
2860: if ($target eq 'edit') {
2861: $result=&Apache::edit::tag_start($target,$token);
2862: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
2863: $result.=&Apache::edit::end_table();
2864:
2865: }
2866: return $result;
2867: }
2868:
2869: sub end_endpartmarker {
2870: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2871: my @result;
2872: if ($target eq 'edit') { $result[1]='no'; }
2873: return @result;
2874: }
2875:
2876:
2877:
2878:
2879:
1.11 albertel 2880: sub start_part {
1.326 albertel 2881: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 2882: if (!$Apache::lonxml::metamode) {
2883: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
2884: # duedates.
2885: }
1.159 albertel 2886: my $result='';
1.386 albertel 2887: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 2888: $Apache::inputtags::part=$id;
1.177 albertel 2889: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 2890: $Apache::inputtags::leniency='';
1.177 albertel 2891: @Apache::inputtags::response=();
1.159 albertel 2892: @Apache::inputtags::previous=();
2893: @Apache::inputtags::previous_version=();
1.405 albertel 2894: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 2895: &Apache::response::reset_params();
2896:
1.159 albertel 2897: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 2898: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
2899: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 2900: if ($Apache::lonhomework::type eq 'randomizetry') {
2901: my $rndseed=&setup_rndseed($safeeval,$target);
2902: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2903: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 2904: }
2905: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2906: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 2907: }
1.283 albertel 2908: my $in_order_show=&ordered_show_check();
1.214 albertel 2909: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 2910: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 2911: &Apache::run::run($expression,$safeeval);
1.159 albertel 2912:
2913: if ($target eq 'meta') {
1.224 www 2914: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
2915: return &Apache::response::mandatory_part_meta.
2916: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 2917: } elsif ($target eq 'web' || $target eq 'grade' ||
2918: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 2919: if ($hidden || !$in_order_show) {
1.326 albertel 2920: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 2921: } else {
2922: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
2923: push (@Apache::inputtags::status,$status);
2924: my $expression='$external::datestatus="'.$status.'";';
2925: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
2926: &Apache::run::run($expression,$safeeval);
1.284 albertel 2927: if ($env{'request.state'} eq 'construct') {
1.241 albertel 2928: &set_problem_state($Apache::inputtags::part);
1.240 albertel 2929: }
1.216 albertel 2930: if (( $status eq 'CLOSED' ) ||
2931: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2932: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 2933: ( $status eq 'BANNED') ||
2934: ( $status eq 'UNAVAILABLE') ||
2935: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 2936: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
2937: $style);
1.159 albertel 2938: if ( $target eq "web" ) {
1.211 albertel 2939: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 2940: } elsif ( $target eq 'tex' ) {
1.284 albertel 2941: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 2942: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 2943: } else {
1.211 albertel 2944: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 2945: }
1.159 albertel 2946: }
2947: } else {
2948: if ($target eq 'tex') {
1.284 albertel 2949: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 2950: if ($$tagstack[-2] eq 'td') {
1.388 foxr 2951: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 2952: } else {
2953: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
2954: }
1.195 sakharuk 2955: }
1.159 albertel 2956: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 2957: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2958: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 2959: my $allow_print_points = 0;
2960: foreach my $partial_key (@allkeys) {
1.230 albertel 2961: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 2962: if ($1 ne '0') {$allow_print_points=1;}
2963: }
2964: }
1.275 albertel 2965: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2966: if (defined($maxtries) && $maxtries < 0) {
2967: $allow_print_points=0;
2968: }
1.302 albertel 2969: if (lc($env{'course.'.$env{'request.course.id'}.
2970: '.disableexampointprint'}) eq 'yes') {
2971: $allow_print_points=0;
2972: }
1.463 foxr 2973: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 2974: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2975:
2976: }
1.233 www 2977: } elsif ($target eq 'web') {
1.479 raeburn 2978: if ($status eq 'CAN_ANSWER') {
2979: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2980: my $probrandomize = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].type");
2981: my $probrandtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].randomizeontries");
2982: my $num = scalar(@Apache::inputtags::partlist)-1;
2983: if ($probrandomize eq 'randomizetry') {
2984: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") ne 'randomizetry') {
2985: $result .= &randomizetry_part_header($problemstatus,'none',$num);
2986: } else {
2987: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2988: if ($probrandtries ne $reqtries) {
2989: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2990: }
2991: }
2992: } elsif (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") eq 'randomizetry') {
2993: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2994: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2995: }
2996: }
1.475 raeburn 2997: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 2998: }
2999: }
3000: }
3001: } elsif ($target eq 'edit') {
3002: $result.=&Apache::edit::tag_start($target,$token);
3003: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
3004: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 3005: ' '.
3006: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 3007: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
3008: } elsif ($target eq 'modified') {
3009: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 3010: $safeeval,'id','display');
1.159 albertel 3011: if ($constructtag) {
1.225 albertel 3012: #limiting ids to only letters numbers, and space
1.224 www 3013: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 3014: $result = &Apache::edit::rebuild_tag($token);
3015: }
3016: }
3017: return $result;
1.11 albertel 3018: }
3019:
3020: sub end_part {
1.159 albertel 3021: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3022: &Apache::lonxml::debug("in end_part $target ");
3023: my $status=$Apache::inputtags::status['-1'];
3024: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 3025: my $in_order_show=&ordered_show_check();
1.321 albertel 3026: my $result;
3027: if (!$Apache::lonxml::metamode) {
3028: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 3029: $Apache::lonxml::post_evaluate=0;
1.321 albertel 3030: }
1.312 albertel 3031: if ($target eq 'grade') {
1.249 albertel 3032: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 3033: !$hidden && $in_order_show) {
1.311 foxr 3034: $result.=&Apache::inputtags::grade;
1.249 albertel 3035: } else {
3036: # move any submission data to .hidden
3037: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3038: }
1.283 albertel 3039: } elsif (($target eq 'web' || $target eq 'tex') &&
3040: !$hidden && $in_order_show) {
1.159 albertel 3041: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3042: $target);
1.490 raeburn 3043: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3044: ($env{'form.grade_imsexport'})) {
1.212 albertel 3045: $gradestatus='';
3046: }
1.311 foxr 3047: $result.=$gradestatus;
1.265 sakharuk 3048: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 3049: } elsif ($target eq 'edit') {
1.311 foxr 3050: $result.=&Apache::edit::end_table();
1.322 albertel 3051: } elsif ($target eq 'modified') {
3052: $result .= $token->[2];
1.159 albertel 3053: }
3054: pop @Apache::inputtags::status;
3055: $Apache::inputtags::part='';
1.536 raeburn 3056: $Apache::inputtags::leniency='';
1.295 albertel 3057: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3058: return $result;
1.11 albertel 3059: }
1.1 albertel 3060:
1.25 albertel 3061: sub start_preduedate {
1.326 albertel 3062: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3063: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3064: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3065: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3066: if (!$Apache::lonhomework::scantronmode &&
3067: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3068: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3069: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3070: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3071: }
1.24 albertel 3072: }
1.159 albertel 3073: return '';
1.24 albertel 3074: }
3075:
1.25 albertel 3076: sub end_preduedate {
1.159 albertel 3077: return '';
1.24 albertel 3078: }
3079:
1.369 foxr 3080: # In all the modes where <postanswerdate> text is
3081: # displayable, all we do is eat up the text between the start/stop
3082: # tags if the conditions are not right to display it.
1.25 albertel 3083: sub start_postanswerdate {
1.326 albertel 3084: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3085: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3086: &Apache::lonnet::allowed('pav',
3087: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3088: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3089: $target eq 'tex' ) {
1.300 albertel 3090: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3091: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3092: (($target eq 'tex') && !$pav)) {
1.326 albertel 3093: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3094: }
3095: }
3096: return '';
1.24 albertel 3097: }
3098:
1.25 albertel 3099: sub end_postanswerdate {
1.159 albertel 3100: return '';
1.24 albertel 3101: }
3102:
1.25 albertel 3103: sub start_notsolved {
1.326 albertel 3104: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3105: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3106: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3107: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3108: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3109: if ($gradestatus =~ /^correct/ &&
3110: &Apache::response::show_answer()) {
1.159 albertel 3111: &Apache::lonxml::debug("skipping");
1.326 albertel 3112: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3113: }
1.24 albertel 3114: }
1.159 albertel 3115: return '';
1.24 albertel 3116: }
3117:
1.25 albertel 3118: sub end_notsolved {
1.159 albertel 3119: return '';
1.24 albertel 3120: }
3121:
3122: sub start_solved {
1.326 albertel 3123: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3124: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3125: $target eq 'tex') {
3126: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3127: if ($gradestatus !~ /^correct/ ||
3128: !&Apache::response::show_answer()) {
1.326 albertel 3129: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3130: }
1.24 albertel 3131: }
1.159 albertel 3132: return '';
1.24 albertel 3133: }
3134:
3135: sub end_solved {
1.248 albertel 3136: return '';
3137: }
3138:
3139: sub start_problemtype {
1.326 albertel 3140: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3141: my $result;
1.339 albertel 3142: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3143: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3144: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3145: if (!defined($mode)) { $mode='show'; }
3146: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3147: my $found=0;
3148: foreach my $type (split(',',$for)) {
3149: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3150: }
3151: if ($mode eq 'show' && !$found) {
1.326 albertel 3152: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3153: }
3154: if ($mode eq 'hide' && $found) {
1.326 albertel 3155: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3156: }
3157: } elsif ($target eq 'edit') {
3158: $result .=&Apache::edit::tag_start($target,$token);
3159: $result.=&Apache::edit::select_arg('Mode:','mode',
3160: [['show','Show'],
3161: ['hide','Hide']]
3162: ,$token);
3163: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 3164: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 3165: ['survey','Survey'],
1.465 raeburn 3166: ['surveycred','Survey (with credit)'],
3167: ['anonsurvey','Anonymous Survey'],
3168: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3169: ['problem','Homework Problem'],
1.479 raeburn 3170: ['practice','Practice Problem'],
3171: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3172: ,$token);
3173: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3174: } elsif ($target eq 'modified') {
3175: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3176: $safeeval,'mode','for');
3177: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3178: }
3179: return $result;
3180: }
3181:
3182: sub end_problemtype {
1.159 albertel 3183: return '';
1.24 albertel 3184: }
1.34 albertel 3185:
3186: sub start_startouttext {
1.159 albertel 3187: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3188: my @result=(''.'');
3189: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3190:
3191: my $nesting =
3192: &Apache::lonxml::set_state('outtext',
3193: &Apache::lonxml::get_state('outtext')+1);
3194: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3195: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3196: }
1.159 albertel 3197: return (@result);
1.34 albertel 3198: }
1.159 albertel 3199:
1.34 albertel 3200: sub end_startouttext {
1.326 albertel 3201: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3202: my $result='';
3203: my $text='';
3204: if ($target eq 'edit') {
1.424 foxr 3205: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3206: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3207: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3208: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3209: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3210: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3211: .'</span></td>'
1.550 raeburn 3212: .'<td><span id="math_'.$areaid.'">';
3213: if ($env{'environment.nocodemirror'}) {
3214: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3215: } else {
3216: $result.=' ';
3217: }
3218: $result.='</span></td>'
1.474 raeburn 3219: .'<td>'
3220: .&Apache::edit::insertlist($target,$token)
3221: .'</td>'
1.515 golterma 3222: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3223: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3224: &Apache::edit::end_row().
1.362 albertel 3225: &Apache::edit::start_spanning_row()."\n".
1.255 www 3226: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3227: }
3228: if ($target eq 'modified') {
1.219 albertel 3229: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3230: }
3231: if ($target eq 'tex') {
3232: $result .= '\noindent ';
3233: }
3234: return $result;
1.34 albertel 3235: }
1.159 albertel 3236:
1.34 albertel 3237: sub start_endouttext {
1.159 albertel 3238: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3239: my $result='';
3240: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3241: if ($target eq "modified") {
3242: $result='<endouttext />'.
1.377 albertel 3243: &Apache::edit::handle_insertafter('startouttext');
3244: }
1.404 albertel 3245:
3246: my $nesting =
3247: &Apache::lonxml::set_state('outtext',
3248: &Apache::lonxml::get_state('outtext')-1);
3249: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3250: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3251: &Apache::lonxml::set_state('outtext', 0);
3252: }
1.159 albertel 3253: return $result;
1.34 albertel 3254: }
1.159 albertel 3255:
1.34 albertel 3256: sub end_endouttext {
1.159 albertel 3257: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3258: my @result=('','');
3259: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3260: return (@result);
1.34 albertel 3261: }
1.159 albertel 3262:
1.45 albertel 3263: sub delete_startouttext {
1.326 albertel 3264: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3265: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3266: my $text=$$parser['-1']->get_text("/endouttext");
3267: my $ntoken=$$parser['-1']->get_token();
3268: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3269: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3270: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3271: # they did the last time round
3272: &Apache::lonxml::increasedepth($ntoken);
3273: &Apache::lonxml::decreasedepth($ntoken);
3274: return 1;
1.193 www 3275: }
3276:
3277: sub start_simpleeditbutton {
3278: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3279: my $result='';
1.284 albertel 3280: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3281: ($target eq 'web') &&
1.330 albertel 3282: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3283: my $url=$env{'request.noversionuri'};
1.193 www 3284: $url=~s/\?.*$//;
1.367 albertel 3285: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3286: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3287: # $result='<p class="LC_warning">'
3288: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3289: # .&Apache::loncommon::help_open_topic('Caching')
3290: # .'</p>';
1.486 www 3291: $result.=&Apache::loncommon::head_subbox(
3292: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3293: .&Apache::lonhtmlcommon::add_item_funclist(
3294: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3295: .&mt('Edit').'</a>')
1.486 www 3296: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3297:
1.193 www 3298: }
3299: return $result;
3300: }
3301:
3302: sub end_simpleeditbutton {
3303: return '';
1.45 albertel 3304: }
1.34 albertel 3305:
1.428 raeburn 3306: sub practice_problem_header {
1.556 raeburn 3307: return '<h3 class="LC_info">'.&mt('Practice Problem').'</h3>'.
1.428 raeburn 3308: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3309: '</span>';
3310: }
3311:
1.479 raeburn 3312: sub randomizetry_problem_header {
3313: my ($problemstatus,$reqtries) = @_;
3314: my ($header,$text);
3315: if ($reqtries > 1) {
3316: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3317: if (($problemstatus eq 'no') ||
3318: ($problemstatus eq 'no_feedback_ever')) {
3319: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3320: } else {
3321: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3322: }
3323: } else {
3324: $header = &mt('New Problem Variation Each Try');
3325: if (($problemstatus eq 'no') ||
3326: ($problemstatus eq 'no_feedback_ever')) {
3327: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3328:
3329: } else {
3330: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3331: }
3332: }
1.556 raeburn 3333: return '<h3 class="LC_info">'.$header.'</h3>'.
1.479 raeburn 3334: '<span class="LC_info">'.$text.'</span><hr />';
3335: }
3336:
3337: sub randomizetry_part_header {
3338: my ($problemstatus,$reqtries,$num) = @_;
3339: my ($header,$text);
3340: if ($reqtries eq 'none') {
3341: $header = &mt('No Question Variation');
3342: $text = &mt('For this question there will no new variation after a try.');
3343: } elsif ($reqtries > 1) {
3344: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3345: if (($problemstatus eq 'no') ||
3346: ($problemstatus eq 'no_feedback_ever')) {
3347: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3348: } else {
3349: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3350: }
3351: } else {
3352: $header = &mt('New Question Variation For Each Try');
3353: if (($problemstatus eq 'no') ||
3354: ($problemstatus eq 'no_feedback_ever')) {
3355: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3356: } else {
3357: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3358: }
3359: }
3360: my $output;
3361: if ($num > 1) {
3362: $output .= '<hr />';
3363: }
1.556 raeburn 3364: $output .= '<h4 class="LC_info">'.$header.'</h4>'.
1.479 raeburn 3365: '<span class="LC_info">'.$text.'</span><br /><br />';
3366: return $output;
3367: }
3368:
1.1 albertel 3369: 1;
3370: __END__
1.435 jms 3371:
3372: =pod
3373:
3374: =back
3375:
3376: =cut
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