Annotation of loncom/homework/structuretags.pm, revision 1.563
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.563 ! raeburn 4: # $Id: structuretags.pm,v 1.562 2018/12/26 19:40:04 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();
1.479 raeburn 672: my ($questiontype,$set_safespace,$rndseed);
673: if ($target eq 'analyze') {
674: $questiontype = $env{'form.grade_questiontype'};
675: }
676: unless (defined($questiontype)) {
677: $questiontype = $Apache::lonhomework::type;
678: }
1.555 raeburn 679: if (($env{'request.state'} eq "construct")
680: || ($symb eq '')
681: || ($Apache::lonhomework::type eq 'practice')
682: || ($Apache::lonhomework::history{'resource.CODE'})
683: || (($env{'form.code_for_randomlist'}) && ($target eq 'analyze'))) {
1.316 www 684: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 685: ['rndseed']);
1.284 albertel 686: $rndseed=$env{'form.rndseed'};
1.159 albertel 687: if (!$rndseed) {
1.162 albertel 688: $rndseed=$Apache::lonhomework::history{'rndseed'};
689: if (!$rndseed) {
690: $rndseed=time;
691: }
1.555 raeburn 692: unless ($env{'form.code_for_randomlist'}) {
693: $env{'form.rndseed'}=$rndseed;
694: }
1.162 albertel 695: }
1.479 raeburn 696: if (($env{'request.state'} eq "construct") &&
697: ($Apache::lonhomework::type eq 'randomizetry')) {
698: my $tries = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.tries"};
699: if ($tries) {
700: $rndseed += $tries;
701: }
1.480 raeburn 702: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.479 raeburn 703: }
1.551 damieng 704: if ( ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 705: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 706: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 707: srand(time);
708: $rndseed=int(rand(2100000000));
1.284 albertel 709: $env{'form.rndseed'}=$rndseed;
710: delete($env{'form.resetdata'});
711: delete($env{'form.newrandomization'});
1.159 albertel 712: }
1.488 www 713: $rndseed=~s/\,/\:/g;
714: $rndseed=~s/[^\w\d\:\-]//g;
1.489 www 715: if (defined($rndseed)) {
716: my ($c1,$c2)=split(/\:/,$rndseed);
717: unless ($c2) { $c2=0; }
718: unless (($c1==int($c1)) && ($c2==int($c2))) {
719: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
720: }
1.187 albertel 721: }
1.555 raeburn 722: if (($env{'form.code_for_randomlist'}) && ($target eq 'analyze')) {
723: $env{'form.CODE'} = $env{'form.code_for_randomlist'};
724: $rndseed=&Apache::lonnet::rndseed();
725: undef($env{'form.CODE'});
726: } elsif ($Apache::lonhomework::history{'resource.CODE'}) {
1.247 albertel 727: $rndseed=&Apache::lonnet::rndseed();
728: }
1.479 raeburn 729: $set_safespace = 1;
730: } elsif ($questiontype eq 'randomizetry') {
731: if ($target eq 'analyze') {
732: if (defined($env{'form.grade_rndseed'})) {
733: $rndseed = $env{'form.grade_rndseed'};
734: }
735: }
736: unless (($target eq 'analyze') && (defined($rndseed))) {
737: $rndseed=&Apache::lonnet::rndseed();
1.528 raeburn 738: my $partfortries = $Apache::inputtags::part;
739: if (ref($probpartlist) eq 'ARRAY') {
740: if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $Apache::inputtags::part)) {
741: $partfortries = $probpartlist->[0];
742: }
743: }
744: my $curr_try = $Apache::lonhomework::history{"resource.$partfortries.tries"};
1.479 raeburn 745: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
746: $curr_try ++;
747: }
748: if ($rndseed =~/^(\d+)[,:](\d+)$/) {
749: $rndseed = $1;
750: }
751: if ($curr_try) {
1.528 raeburn 752: my $reqtries = &Apache::lonnet::EXT("resource.$partfortries.randomizeontries");
1.479 raeburn 753: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
754: my $inc = int(($curr_try-1)/$reqtries);
755: $rndseed += $inc;
756: } else {
757: $rndseed += $curr_try;
758: }
759: }
760: }
761: $set_safespace = 1;
1.528 raeburn 762: if ($target eq 'grade') {
763: $Apache::lonhomework::rawrndseed = $rndseed;
764: }
1.479 raeburn 765: }
766: if ($set_safespace) {
767: if ($safeeval) {
768: &Apache::lonxml::debug("Setting rndseed to $rndseed");
769: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
770: }
771: }
772: unless (($env{'request.state'} eq "construct") || ($symb eq '')) {
773: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.159 albertel 774: }
775: return $rndseed;
1.105 albertel 776: }
777:
1.268 albertel 778: sub remember_problem_state {
779: return '
1.284 albertel 780: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
781: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
782: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 783: }
784:
1.487 www 785: sub problem_edit_action_button {
786: my ($name,$action,$accesskey,$text,$flag)=@_;
787: my $actionscript="setmode(this.form,'$action')";
788: return "\n<input type='button' name='$name' accesskey='$accesskey' value='".&mt($text)."'".
789: ($flag?&Apache::edit::submit_ask_anyway($actionscript):&Apache::edit::submit_dont_ask($actionscript))." />";
790: }
791:
1.423 www 792: sub problem_edit_buttons {
1.487 www 793: my ($mode)=@_;
1.535 droeschl 794: # Buttons that save
795: my $result = '<div style="float:right">';
796: if ($mode eq 'editxml') {
797: $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
798: $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
799: } else {
800: $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
801: $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
802: }
803: $result.="\n</div>\n";
1.487 www 804: # Buttons that do not save
1.535 droeschl 805: $result .= '<div>'.
1.487 www 806: &problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
807: if ($mode eq 'editxml') {
808: $result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
809: $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
1.550 raeburn 810: if ($env{'environment.nocodemirror'}) {
811: $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
812: }
1.487 www 813: } else {
814: $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
815: $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
816: }
817: $result.="\n</div>";
818: return $result;
1.423 www 819: }
820:
821: sub problem_edit_header {
1.527 golterma 822: my ($mode)=@_;
823: my $return = '<input type="hidden" name="submitted" value="edit" />'.
1.487 www 824: &remember_problem_state('edit').'
1.527 golterma 825: <div class="LC_edit_problem_header">
826: <div class="LC_edit_problem_header_title">
827: '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
828: </div><div class="LC_edit_actionbar" id="actionbar">'.
829: '<input type="hidden" name="problemmode" value="saveedit" />'.
830: &problem_edit_buttons();
831:
1.535 droeschl 832: $return .= '</div></div>' . &Apache::lonxml::message_location();
1.527 golterma 833: $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />
834: <script type="text/javascript" src="/adm/codemirror/codemirror-compressed-colorful.js"></script>';
835:
836: $return .= '<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
837: <script type="text/javascript">
838: // unless internet explorer
839: if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode || document.compatMode))){
840: $(document).ready(
841: function() {
842: $(\'.LC_edit_actionbar\').scrollToFixed(
843: {
844: fixed: function(){
1.535 droeschl 845: //$(this).find(\'.LC_edit_actionbar\').css(\'height\', \'31px\');
846: $(this).find(\'.LC_edit_actionbar\');
1.527 golterma 847: }
848: }
849: );
850: }
851: );
852: }
853: </script>
854: <table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
855: return $return;
1.105 albertel 856: }
857:
858: sub problem_edit_footer {
1.527 golterma 859: my $resource = $env{'request.ambiguous'};
1.412 albertel 860: return '</td></tr></table><br />
861: <div class="LC_edit_problem_footer">
1.453 bisitz 862: <hr />'.
1.423 www 863: &problem_edit_buttons().'
1.459 bisitz 864: <hr style="clear:both;" />
1.527 golterma 865: <script type="text/javascript">
866: restoreState("'.$resource.'");
867: restoreScrollPosition("'.$resource.'");
868: </script>
1.412 albertel 869: </div>
870: '.
1.342 albertel 871: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 872: }
873:
1.235 albertel 874: sub option {
875: my ($value,$name) = @_;
876: my $result ="<option value='".$value."' ";
1.284 albertel 877: if ($env{'form.'.$name} eq $value) {
1.235 albertel 878: $result.=" selected='on' ";
879: }
880: $result.='>';
881: return $result;
882: }
883:
1.105 albertel 884: sub problem_web_to_edit_header {
1.159 albertel 885: my ($rndseed)=@_;
1.406 albertel 886: my $result .= '<div class="LC_edit_problem_header">';
887:
888: if (!$Apache::lonhomework::parsing_a_task) {
889: $result .=
890: '<div class="LC_edit_problem_header_title">'.
891: &mt('Problem Testing').
892: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
893: '</div>';
894: } else {
895: $result .=
896: '<div class="LC_edit_problem_header_title">'.
897: &mt('Task Testing').
898: '</div>';
899: }
900:
1.315 albertel 901: my $show_all_foils_text =
902: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 903: &mt('Show All Instances')
904: : &mt('Show All Foils');
1.315 albertel 905:
1.452 bisitz 906: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
907: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 908: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 909: $show_all.= ' /> '.$show_all_foils_text
910: .'</label></span>';
1.406 albertel 911:
912:
1.384 albertel 913:
1.406 albertel 914: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 915: if (!$Apache::lonhomework::parsing_a_task) {
916: $result.="
1.406 albertel 917: <div class='LC_edit_problem_header_row1'>
918: <span class=\"LC_nobreak\">
1.405 albertel 919: ".&mt("Problem Status:")."
1.235 albertel 920: <select name='problemstate'>
1.270 albertel 921: <option value=''></option>
1.235 albertel 922: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
923: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
924: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
925: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
926: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
927: </select>
1.406 albertel 928: </span>
929: <span class=\"LC_nobreak\">
1.405 albertel 930: ".&mt("Problem Type:")."
1.235 albertel 931: <select name='problemtype'>
1.270 albertel 932: <option value=''></option>
1.509 bisitz 933: ".&option('exam' ,'problemtype').&mt("Bubblesheet Exam Problem")."</option>
1.428 raeburn 934: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 935: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 936: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
937: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
938: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 939: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.479 raeburn 940: ".&option('randomizetry' ,'problemtype').&mt("New Randomization Each Try")."</option>
1.235 albertel 941: </select>
1.406 albertel 942: </span>
943: $show_all
944: </div>
945: <div class='LC_edit_problem_header_row2'>
946: <span class=\"LC_nobreak\">
1.405 albertel 947: ".&mt("Feedback Mode:")."
1.235 albertel 948: <select name='problemstatus'>
949: <option value=''></option>
1.242 albertel 950: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.517 bisitz 951: ".&option('no', 'problemstatus').&mt("Don't Show Incorrect/Correct Feedback")."</option>
1.405 albertel 952: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 953: </select>
1.406 albertel 954: </span>
955: ";
956:
1.376 albertel 957: } elsif ($Apache::lonhomework::parsing_a_task) {
958: $result.="
1.406 albertel 959: <div class='LC_edit_problem_header_row1'>
960: <span class=\"LC_nobreak\">
1.405 albertel 961: ".&mt("Problem Status:")."
1.376 albertel 962: <select name='problemstate'>
963: <option value=''></option>
964: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
965: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
966: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
967: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
968: </select>
1.406 albertel 969: </span>
970: $show_all
971: ";
972: }
973: $result.='
974: <span class="LC_nobreak">
975: '.&mt('Apply style file: ').'
976: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
977: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
978: </span>
1.422 www 979: </div>
980: <div class="LC_edit_problem_header_row1">'.
981: &Apache::lonxml::renderingoptions().'
1.406 albertel 982: </div>
983: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
984: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
1.551 damieng 985: <button type="submit" name="resetdata" accesskey="r" value="reset_submissions">
986: '.&mt('Reset Submissions').'</button>
1.406 albertel 987: </div>
1.453 bisitz 988: <hr />
1.406 albertel 989: <div class="LC_edit_problem_header_randomize_row">
990: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
991: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 992: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 993: $rndseed.'"
994: onchange="javascript:document.lonhomework.changerandseed.click()" />';
995:
996: if (!$Apache::lonhomework::parsing_a_task) {
997: my $numtoanalyze=$env{'form.numtoanalyze'};
998: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 999: $result .= '<span class="LC_nobreak">'.
1000: &mt('[_1] for [_2] versions.',
1.416 raeburn 1001: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 1002: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
1003: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 1004: $numtoanalyze.'" size="5" />').
1005: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
1006: '</span>';
1007:
1.313 albertel 1008: }
1.406 albertel 1009:
1010: $result.='
1011: </div>
1.453 bisitz 1012: <hr />
1.447 bisitz 1013: <div>';
1.416 raeburn 1014: $result.='<input type="hidden" name="problemmode" value="view" />';
1015: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
1016: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
1017: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
1018: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.541 damieng 1019: if ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9) {
1020: my $uri = $env{'request.uri'};
1.543 damieng 1021: my $daxeurl = '/daxepage'.$uri;
1.541 damieng 1022: $result .= '<input type="button" value="'.&mt('Edit with Daxe').'" '.
1023: 'onclick="window.open(\''.$daxeurl.'\',\'_blank\');" />';
1024: }
1.408 albertel 1025: $result.='
1026: </div>
1.453 bisitz 1027: <hr />
1.409 albertel 1028: '.&Apache::lonxml::message_location().'
1.406 albertel 1029: </div>';
1.159 albertel 1030: return $result;
1.48 albertel 1031: }
1032:
1.65 albertel 1033: sub initialize_storage {
1.357 albertel 1034: my ($given_symb) = @_;
1.353 albertel 1035: undef(%Apache::lonhomework::results);
1036: undef(%Apache::lonhomework::history);
1.357 albertel 1037: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1038: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 1039:
1040: # anonymous users (CODEd exams) have no data
1041: if ($name eq 'anonymous'
1042: && !defined($domain)) {
1043: return;
1044: }
1045:
1.333 albertel 1046: if ($env{'request.state'} eq 'construct'
1047: || $symb eq ''
1048: || $Apache::lonhomework::type eq 'practice') {
1049:
1050: my $namespace = $symb || $env{'request.uri'};
1.551 damieng 1051: if ($env{'form.resetdata'} eq 'reset_submissions' ||
1052: ($env{'form.resetdata'} eq 'new_problem_variation'
1.374 albertel 1053: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 1054: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1055: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
1056: &Apache::lonxml::debug("Attempt reset");
1057: }
1.159 albertel 1058: %Apache::lonhomework::history=
1.333 albertel 1059: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.526 raeburn 1060: my ($temp)=keys(%Apache::lonhomework::history) ;
1.159 albertel 1061: &Apache::lonxml::debug("Return message of $temp");
1062: } else {
1063: %Apache::lonhomework::history=
1064: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1065: }
1.353 albertel 1066:
1.159 albertel 1067: #ignore error conditions
1.526 raeburn 1068: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1069: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 1070: }
1071:
1.435 jms 1072: =pod
1073:
1074: =item finalize_storage()
1075:
1.524 raeburn 1076: Stores away the result hash to a student's environment;
1.523 raeburn 1077: checks form.grade_ for specific values, otherwise stores
1078: to the running user's environment.
1.524 raeburn 1079:
1080: &check_correctness_changes() is called in two circumstances
1081: in which the results hash is to be stored permanently, for
1082: grading triggered by a student's submission, where feedback on
1083: correctness is to be provided to the student.
1084:
1085: 1. Immediately prior to storing the results hash
1086:
1087: To handle the case where a student's submission (and award) were
1088: stored after history was retrieved in &initialize_storage(), e.g.,
1089: if a student submitted answers in quick succession (e.g., from
1090: multiple tabs). &Apache::inputtags::hidealldata() is called for
1091: any parts with out-of-order storage (i.e., correct then incorrect,
1092: where awarded >= 1 when correct).
1093:
1094: 2. Immediately after storing the results hash
1095:
1096: To handle the case where lond on the student's homeserver returns
1097: delay:N -- where N is the number of transactions between the last
1098: retrieved in &initialize_storage() and the last stored immediately
1099: before permanent storage of the current transaction via
1100: lond::store_handler(). &Apache::grades::makehidden() is called
1101: for any parts with out-of-order storage (i.e., correct then incorrect,
1102: where awarded >= 1 when correct).
1103:
1104: Will call &store_aggregates() to increment totals for attempts,
1105: students, and corrects, if running user has student role.
1106:
1.435 jms 1107: =cut
1108:
1109:
1.65 albertel 1110: sub finalize_storage {
1.357 albertel 1111: my ($given_symb) = @_;
1.159 albertel 1112: my $result;
1.289 albertel 1113: if (%Apache::lonhomework::results) {
1.323 albertel 1114: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
1115: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 1116: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1117: &Apache::lonnet::whichuser($given_symb);
1.562 raeburn 1118: my ($passback,$ltiscope,$ltimap,$ltisymb,$ltiref,$total,$possible,$dopassback);
1.333 albertel 1119: if ($env{'request.state'} eq 'construct'
1120: || $symb eq ''
1121: || $Apache::lonhomework::type eq 'practice') {
1122: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 1123: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 1124: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 1125: $namespace,'',$domain,$name);
1.159 albertel 1126: &Apache::lonxml::debug('Construct Store return message:'.$result);
1127: } else {
1.560 raeburn 1128: my ($laststore,$checkedparts,@parts,%postcorrect,%record);
1.524 raeburn 1129: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1130: (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
1131: (!defined($env{'form.grade_courseid'}))) {
1.560 raeburn 1132: if ($env{'request.lti.login'}) {
1133: my ($map)=&Apache::lonnet::decode_symb($symb);
1134: $map = &Apache::lonnet::clutter($map);
1135: ($passback,$ltiscope,$ltimap,$ltisymb,$ltiref) =
1136: &needs_lti_passback($courseid,$symb,$map);
1137: }
1.524 raeburn 1138: if ($Apache::lonhomework::history{'version'}) {
1139: $laststore = $Apache::lonhomework::history{'version'}.'='.
1140: $Apache::lonhomework::history{'timestamp'};
1141: } else {
1142: $laststore = '0=0';
1143: }
1.560 raeburn 1144: %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1.524 raeburn 1145: if ($record{'version'}) {
1146: my ($newversion,$oldversion,$oldtimestamp);
1147: if ($Apache::lonhomework::history{'version'}) {
1148: $oldversion = $Apache::lonhomework::history{'version'};
1149: $oldtimestamp = $Apache::lonhomework::history{'timestamp'};
1150: } else {
1151: $oldversion = 0;
1152: $oldtimestamp = 0;
1153: }
1154: if ($record{'version'} > $oldversion) {
1155: if ($record{'timestamp'} >= $oldtimestamp) {
1156: $laststore = $record{'version'}.'='.$record{'timestamp'};
1157: $newversion = $record{'version'} + 1;
1158: $checkedparts = 1;
1159: foreach my $key (keys(%Apache::lonhomework::results)) {
1160: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1161: my $part = $1;
1162: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1163: push(@parts,$part);
1164: }
1165: }
1166: }
1167: if (@parts) {
1168: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1169: \%record,\@parts,$newversion,
1170: $oldversion);
1171: if (@parts_to_hide) {
1172: foreach my $part (@parts_to_hide) {
1173: $postcorrect{$part} = 1;
1174: &Apache::inputtags::hidealldata($part);
1175: }
1176: }
1177: }
1178: }
1179: }
1180: }
1181: }
1.159 albertel 1182: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
1.524 raeburn 1183: $symb,$courseid,$domain,$name,$laststore);
1184: if ($result =~ /^delay\:(\d+)$/) {
1185: my $numtrans = $1;
1186: my ($oldversion) = split(/=/,$laststore);
1187: if ($numtrans) {
1188: my $newversion = $oldversion + 1 + $numtrans;
1189: my @possparts;
1190: if ($checkedparts) {
1191: foreach my $part (@parts) {
1192: unless ($postcorrect{$part}) {
1193: push(@possparts,$part);
1194: }
1195: }
1196: } else {
1197: foreach my $key (keys(%Apache::lonhomework::results)) {
1198: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1199: my $part = $1;
1200: unless ($postcorrect{$part}) {
1201: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1202: push(@possparts,$part);
1203: }
1204: }
1205: }
1206: }
1207: }
1208: if (@possparts) {
1209: my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1210: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1211: \%newrecord,\@possparts,$newversion,
1212: $oldversion);
1213: if (@parts_to_hide) {
1214: my $partslist = join(',',@parts_to_hide);
1215: &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1);
1216: }
1217: }
1218: }
1219: }
1.562 raeburn 1220: if ($passback) {
1221: foreach my $key (keys(%Apache::lonhomework::results)) {
1222: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1223: my $part = $1;
1224: if ((($Apache::lonhomework::results{$key} =~ /^correct_/) ||
1225: ($Apache::lonhomework::results{$key} eq 'incorrect_attempted')) &&
1226: ($Apache::lonhomework::results{"resource.$part.tries"})) {
1227: $dopassback = 1;
1228: last;
1229: }
1230: }
1231: }
1232: }
1233: if (($dopassback) && ($ltiscope eq 'resource') && ($ltisymb eq $symb)) {
1.560 raeburn 1234: $total = 0;
1235: $possible = 0;
1236: my $navmap = Apache::lonnavmaps::navmap->new();
1237: if (ref($navmap)) {
1238: my $res = $navmap->getBySymb($symb);
1239: if (ref($res)) {
1240: my $partlist = $res->parts();
1241: if (ref($partlist) eq 'ARRAY') {
1242: foreach my $part (@{$partlist}) {
1243: unless (exists($Apache::lonhomework::results{"resource.$part.solved"})) {
1244: next if ($Apache::lonhomework::record{"resource.$part.solved"} =~/^excused/);
1245: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1246: $possible += $weight;
1247: if (($record{'version'}) && (exists($record{"resource.$part.awarded"}))) {
1248: my $awarded = $record{"resource.$part.awarded"};
1249: if ($awarded) {
1250: $total += $weight * $awarded;
1251: }
1252: }
1253: }
1254: }
1255: }
1256: }
1257: }
1258: foreach my $key (keys(%Apache::lonhomework::results)) {
1259: if ($key =~ /^resource\.([^\.]+)\.awarded$/) {
1260: my $part = $1;
1261: my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
1262: $possible += $weight;
1263: my $awarded = $Apache::lonhomework::results{$key};
1264: if ($awarded) {
1265: $total += $weight * $awarded;
1266: }
1267: }
1268: }
1269: }
1.159 albertel 1270: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1271: &store_aggregates($symb,$courseid);
1.562 raeburn 1272: if ($dopassback) {
1.560 raeburn 1273: my $scoreformat = 'decimal';
1274: if (ref($ltiref) eq 'HASH') {
1275: if ($ltiref->{'scoreformat'} =~ /^(decimal|ratio|percentage)$/) {
1276: $scoreformat = $1;
1277: }
1278: }
1279: my $ltigrade = {
1280: 'lti' => $ltiref,
1281: 'cid' => $courseid,
1282: 'uname' => $env{'user.name'},
1283: 'udom' => $env{'user.domain'},
1284: 'pbid' => $env{'request.lti.passbackid'},
1285: 'pburl' => $env{'request.lti.passbackurl'},
1286: 'scope' => $ltiscope,
1287: 'ltimap' => $ltimap,
1288: 'ltisymb' => $ltisymb,
1289: 'format' => $scoreformat,
1290: };
1291: if ($ltiscope eq 'resource') {
1292: $ltigrade->{'total'} = $total;
1293: $ltigrade->{'possible'} = $possible;
1294: }
1295: push(@Apache::lonhomework::ltipassback,$ltigrade);
1296: }
1.159 albertel 1297: }
1.323 albertel 1298: } else {
1299: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1300: }
1.159 albertel 1301: return $result;
1.65 albertel 1302: }
1303:
1.560 raeburn 1304: sub needs_lti_passback {
1305: my ($courseid,$symb,$map) = @_;
1306: if (($env{'request.lti.passbackid'}) && ($env{'request.lti.passbackurl'})) {
1307: if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
1308: my ($cdom,$cnum) = ($1,$2);
1309: my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider');
1310: if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') {
1311: if ($lti{$env{'request.lti.login'}}{'passback'}) {
1312: my ($ltiscope,$ltiuri,$ltisymb) =
1313: &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
1314: $cdom,$cnum,1);
1315: my ($passback,$ltimap);
1316: if ($ltiscope eq 'resource') {
1317: if ($ltisymb eq $symb) {
1318: $passback = 1;
1319: }
1320: } elsif ($ltiscope eq 'map') {
1321: if ($ltiuri eq $map) {
1322: $passback = 1;
1323: $ltimap = $map;
1324: }
1325: } elsif ($ltiscope eq 'course') {
1326: if (($env{'request.lti.uri'} eq "/$cdom/$cnum") || ($env{'request.lti.uri'} eq '')) {
1327: $passback = 1;
1328: }
1329: }
1330: return ($passback,$ltiscope,$ltimap,$ltisymb,$lti{$env{'request.lti.login'}});
1331: }
1332: }
1333: }
1334: }
1335: return;
1336: }
1337:
1.435 jms 1338: =pod
1339:
1.524 raeburn 1340: =item check_correctness_changes()
1341:
1342: For all parts for which current results contain a solved status
1343: of "incorrect_attempted", check if there was a transaction in which
1344: solved was set to "correct_by_student" in the time since the last
1345: transaction (retrieved when &initialize_storage() was called i.e.,
1346: when &start_problem() was called), unless:
1347: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1348: (b) problemstatus is set to no or no_feedback_ever
1349: If such a transaction exists, and did not occur after "reset status"
1350: by a user with grading privileges, then the current transaction is an
1351: example of an out-of-order transaction (i.e., incorrect occurring after
1352: correct). Accordingly, the current transaction should be hidden.
1353:
1354: =cut
1355:
1356:
1357: sub check_correctness_changes {
1358: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1359: my @parts_to_hide;
1360: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1361: return @parts_to_hide;
1362: }
1363: if (@{$parts}) {
1364: my $usec;
1365: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1366: ($env{'request.course.id'} eq $courseid)) {
1367: $usec = $env{'request.course.sec'};
1368: } else {
1369: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1370: }
1371: foreach my $id (@{$parts}) {
1372: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1373: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1374: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1375: my $reset;
1376: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1377: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1378: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1379: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1380: $reset = 1;
1381: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1382: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1383: unless ($reset) {
1384: push(@parts_to_hide,$id);
1385: last;
1386: }
1387: }
1388: }
1389: }
1390: }
1391: return @parts_to_hide;
1392: }
1393:
1394: =pod
1395:
1.435 jms 1396: item store_aggregates()
1397:
1398: Sends hash of values to be incremented in nohist_resourcetracker.db
1399: for the course. Increments total number of attempts, unique students
1400: and corrects for each part for an instance of a problem, as appropriate.
1401:
1402: =cut
1403:
1.285 raeburn 1404: sub store_aggregates {
1405: my ($symb,$courseid) = @_;
1.479 raeburn 1406: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1407: my @parts;
1.288 albertel 1408: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1409: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1410: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1411: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1412: push(@parts, $1);
1.285 raeburn 1413: }
1414: }
1.286 albertel 1415: foreach my $part (@parts) {
1.470 raeburn 1416: if ($env{'request.role'} =~/^st/) {
1417: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1418: eq 'APPROX_ANS' ||
1419: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1420: eq 'EXACT_ANS') {
1421: $aggregate{$symb."\0".$part."\0correct"} = 1;
1422: }
1423: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1424: $aggregate{$symb."\0".$part."\0users"} = 1;
1425: } else {
1426: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1427: if ($last_reset) {
1428: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1429: $aggregate{$symb."\0".$part."\0users"} = 1;
1430: }
1431: }
1432: }
1433: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1434: }
1.470 raeburn 1435: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1436: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1437: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1438: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1439: $randtrycounter{$symb."\0".$part} = 1;
1440: } else {
1441: $anoncounter{$symb."\0".$part} = 1;
1442: }
1.545 raeburn 1443: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.'::'};
1.537 raeburn 1444: if ($needsrelease) {
1.470 raeburn 1445: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1446: if ($curr_required eq '') {
1.471 raeburn 1447: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1448: } else {
1449: my ($currmajor,$currminor) = split(/\./,$curr_required);
1450: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1451: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1452: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1453: }
1.292 raeburn 1454: }
1455: }
1.285 raeburn 1456: }
1457: }
1.526 raeburn 1458: if (keys(%aggregate) > 0) {
1.289 albertel 1459: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1460: $cdomain,$cname);
1461: }
1.472 raeburn 1462: if (keys(%anoncounter) > 0) {
1.481 raeburn 1463: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1464: $cdomain,$cname);
1.472 raeburn 1465: }
1.479 raeburn 1466: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1467: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1468: $cdomain,$cname);
1.479 raeburn 1469: }
1.292 raeburn 1470: }
1.289 albertel 1471:
1.557 raeburn 1472: sub access_status_msg {
1473: my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_;
1474: my $msg;
1475: if ($target eq 'web') {
1476: if ($status eq 'UNAVAILABLE') {
1477: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1478: } elsif ($status eq 'NOT_IN_A_SLOT') {
1479: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1480: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1481: ($status eq 'NOTRESERVABLE')) {
1482: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1483: } elsif ($status ne 'NOT_YET_VIEWED') {
1484: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1485: }
1486: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1487: $msg.=&mt('The problem ').$accessmsg;
1488: } elsif ($status eq 'UNCHECKEDOUT') {
1489: $msg.=&checkout_msg();
1490: } elsif ($status eq 'NOT_YET_VIEWED') {
1491: $msg.=&firstaccess_msg($accessmsg,$symb);
1492: } elsif ($status eq 'NOT_IN_A_SLOT') {
1493: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1494: } elsif ($status eq 'RESERVABLE') {
1495: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1496: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1497: '<br />'.
1498: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1499: } elsif ($status eq 'RESERVABLE_LATER') {
1500: $msg.=&mt('Window to make a reservation will open [_1].',
1501: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1502: } elsif ($status eq 'NOTRESERVABLE') {
1503: $msg.=&mt('Not available to make a reservation.');
1504: } elsif ($status eq 'NEED_DIFFERENT_IP') {
1505: if ($ipused) {
1506: $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");
1507: } else {
1508: $msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
1509: &mt('Somebody else has already used this particular computer for that purpose.');
1510: }
1511: }
1512: $msg.='<br />';
1513: } elsif ($target eq 'tex') {
1514: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1515: : '\begin{minipage}{\textwidth}';
1516:
1517: $msg ='\noindent \vskip 1 mm '.
1518: $startminipage.'\vskip 0 mm';
1519: if ($status eq 'UNAVAILABLE') {
1520: $msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1521: } else {
1522: $msg.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1523: }
1524: }
1525: return $msg;
1526: }
1527:
1528: sub checkin_prompt {
1529: my ($target,$slot_name,$slot,$type) = @_;
1530: my $result;
1531: if ($target eq 'web') {
1532: $result = &Apache::bridgetask::proctor_validation_screen($slot);
1533: } elsif ($target eq 'grade') {
1534: if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) {
1535: $result = &mt('An error occurred during check-in');
1536: }
1537: }
1538: return $result;
1539: }
1540:
1541: sub selfcheckin_resource {
1542: my ($resource_due,$slot_name,$slot,$symb) = @_;
1543: if ($slot_name ne '') {
1544: my $checked_in =
1545: $Apache::lonhomework::history{'resource.0.checkedin'};
1546: if ($checked_in eq '') {
1547: # unproctored slot access, self checkin
1548: my $needsiptied;
1549: if (ref($slot)) {
1550: $needsiptied = $slot->{'iptied'};
1551: }
1552: my $check = &Apache::bridgetask::check_in('problem',undef,undef,
1553: $slot_name,$needsiptied);
1554: if ($check =~ /^error: /) {
1555: &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name");
1556: } else {
1557: $checked_in = $Apache::lonhomework::results{"resource.0.checkedin"};
1558: }
1559: }
1560: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1561: if ($slot->{'starttime'} < time()) {
1562: if (!$resource_due) {
1563: $resource_due = $slot->{'endtime'};
1564: } elsif ($slot->{'endtime'} < $resource_due) {
1565: $resource_due = $slot->{'endtime'};
1566: }
1567: }
1568: }
1569: }
1570: return $resource_due;
1571: }
1572:
1.65 albertel 1573: sub checkout_msg {
1.211 albertel 1574: my %lt=&Apache::lonlocal::texthash(
1575: 'resource'=>'The resource needs to be checked out',
1576: '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.',
1577: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 1578: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
1579: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 1580: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1581: return (<<ENDCHECKOUT);
1.211 albertel 1582: <h2>$lt{'resource'}</h2>
1583: <p>$lt{'id_expln'}</p>
1.449 bisitz 1584: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1585: <form name="checkout" method="post" action="$uri">
1.91 albertel 1586: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1587: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1588: </form>
1589: ENDCHECKOUT
1590: }
1591:
1.252 albertel 1592: sub firstaccess_msg {
1.253 albertel 1593: my ($time,$symb)=@_;
1.414 albertel 1594: my $result;
1595: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1596: if ($interval[1] eq 'map') {
1597: my ($map)=&Apache::lonnet::decode_symb($symb);
1598: my $foldertitle=&Apache::lonnet::gettitle($map);
1599:
1600: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1601: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1602: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1603: ,$foldertitle,$time)."</p>";
1.414 albertel 1604: } elsif ($interval[1] eq 'course') {
1605: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1606: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1607: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1608: ,$course,$time)."</p>";
1.414 albertel 1609: } else {
1610: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1611: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1612: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1613: ,$title,$time)."</p>";
1.414 albertel 1614: }
1.352 albertel 1615: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1616: my $buttontext = &mt('Show Resource');
1617: my $timertext = &mt('Start Timer?');
1.414 albertel 1618: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1619: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1620: <input type="hidden" name="markaccess" value="yes" />
1.514 bisitz 1621: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1622: </form>
1623: ENDCHECKOUT
1.414 albertel 1624: return $result;
1.252 albertel 1625: }
1626:
1.204 albertel 1627: sub init_problem_globals {
1628: my ($type)=@_;
1629: #initialize globals
1.308 foxr 1630: # For problems, we start out in part 0 (outside a <part> tag).
1631: # and part 0 is used to describe the main body of the <problem>
1632: #
1.204 albertel 1633: if ($type eq 'problem') {
1634: $Apache::inputtags::part='0';
1635: @Apache::inputtags::partlist=('0');
1.405 albertel 1636: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1637: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1638:
1.266 albertel 1639: } elsif ($type eq 'library') {
1.204 albertel 1640: $Apache::inputtags::part='';
1641: @Apache::inputtags::partlist=();
1.405 albertel 1642: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1643: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1644:
1.304 albertel 1645: } elsif ($type eq 'Task') {
1646: $Apache::inputtags::part='0';
1647: @Apache::inputtags::partlist=('0');
1.405 albertel 1648: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1649: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1650: }
1.477 www 1651: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1652: @Apache::inputtags::responselist = ();
1653: @Apache::inputtags::importlist = ();
1654: @Apache::inputtags::previous=();
1655: @Apache::inputtags::previous_version=();
1.536 raeburn 1656: $Apache::inputtags::leniency='';
1.204 albertel 1657: $Apache::structuretags::printanswer='No';
1658: @Apache::structuretags::whileconds=();
1659: @Apache::structuretags::whilebody=();
1660: @Apache::structuretags::whileline=();
1661: $Apache::lonhomework::scantronmode=0;
1662: undef($Apache::lonhomework::name);
1.358 albertel 1663: undef($Apache::lonhomework::default_type);
1664: undef($Apache::lonhomework::type);
1.204 albertel 1665: }
1666:
1667: sub reset_problem_globals {
1668: my ($type)=@_;
1669: undef(%Apache::lonhomework::history);
1670: undef(%Apache::lonhomework::results);
1671: undef($Apache::inputtags::part);
1.536 raeburn 1672: undef($Apache::inputtags::leniency);
1.498 raeburn 1673: if ($type eq 'Task') {
1674: undef($Apache::inputtags::slot_name);
1.528 raeburn 1675: } elsif ($type eq 'problem') {
1676: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1677: }
1.208 albertel 1678: #don't undef this, lonhomework.pm takes care of this, we use this to
1679: #detect if we try to do 2 problems in one file
1680: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1681: undef($Apache::lonhomework::name);
1.358 albertel 1682: undef($Apache::lonhomework::default_type);
1683: undef($Apache::lonhomework::type);
1684: undef($Apache::lonhomework::scantronmode);
1685: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1686: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1687: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1688: }
1689:
1.241 albertel 1690: sub set_problem_state {
1.240 albertel 1691: my ($part)=@_;
1.284 albertel 1692: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1693: $Apache::lonhomework::history{"resource.$part.solved"}=
1694: 'correct_by_student';
1695: }
1696: }
1697:
1.241 albertel 1698: sub get_problem_status {
1699: my ($part)=@_;
1.267 albertel 1700: my $problem_status;
1.284 albertel 1701: if ($env{'request.state'} eq 'construct' &&
1702: defined($env{'form.problemstatus'})) {
1703: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1704: } else {
1705: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1706: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1707: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1708: }
1709: return $problem_status;
1710: }
1711:
1.9 albertel 1712: sub start_problem {
1.326 albertel 1713: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1714:
1.311 foxr 1715: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1716: if (!$Apache::lonxml::metamode) {
1717: &Apache::lonxml::startredirection();
1718: }
1.311 foxr 1719:
1.308 foxr 1720: # Problems don't nest and we don't allow more than one <problem> in
1721: # a .problem file.
1722: #
1.184 albertel 1723: if ( $Apache::inputtags::part ne '' ||
1724: $Apache::lonhomework::parsing_a_problem) {
1725: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1726: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1727: return '';
1728: }
1.184 albertel 1729:
1730: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1731: &init_problem_globals('problem');
1.166 albertel 1732:
1.284 albertel 1733: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1734: $Apache::lonhomework::scantronmode=1;
1735: }
1.161 albertel 1736:
1.159 albertel 1737: if ($target ne 'analyze') {
1.415 raeburn 1738: my $type = &Apache::lonnet::EXT('resource.0.type');
1739: $Apache::lonhomework::type=$type;
1.284 albertel 1740: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1741: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1742: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1743: }
1.332 albertel 1744: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1745: }
1.164 albertel 1746: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1747: my $uri=$env{'request.uri'};
1.159 albertel 1748: if ($uri=~/\.(\w+)$/) {
1749: $Apache::lonhomework::type=$1;
1750: &Apache::lonxml::debug("Using type of $1");
1751: } else {
1752: $Apache::lonhomework::type='problem';
1753: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1754: }
1.87 albertel 1755: }
1.301 albertel 1756: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1757:
1.363 albertel 1758: &initialize_storage();
1.389 albertel 1759: if ($target ne 'analyze'
1760: && $env{'request.state'} eq 'construct') {
1761: &set_problem_state('0');
1762: }
1763:
1.366 albertel 1764: if ($target eq 'web') {
1765: &Apache::lonxml::debug(" grading history ");
1766: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1767: }
1.363 albertel 1768:
1.159 albertel 1769: #added vars to the scripting enviroment
1.213 albertel 1770: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1771: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1772: &Apache::run::run($expression,$safeeval);
1.159 albertel 1773: my $status;
1774: my $accessmsg;
1.508 raeburn 1775: my $resource_due;
1.540 raeburn 1776: my $ipused;
1.159 albertel 1777:
1.343 albertel 1778: my $name= &get_resource_name($parstack,$safeeval);
1.561 raeburn 1779: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres);
1.506 raeburn 1780:
1781: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1782: $target eq 'tex') {
1783: if ($env{'form.markaccess'}) {
1784: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.539 raeburn 1785: my ($timelimit) = split(/_/,$interval[0]);
1.561 raeburn 1786: my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit);
1787: unless (($is_set eq 'ok') || ($is_set eq 'already_set')) {
1788: $firstaccres = $is_set;
1789: }
1.506 raeburn 1790: }
1791: }
1792:
1.354 albertel 1793: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1794: || $target eq 'edit') {
1.528 raeburn 1795: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1796: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1797: $name);
1.552 raeburn 1798: } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) ||
1799: ($target eq 'answer')) {
1.528 raeburn 1800: my ($symb)= &Apache::lonnet::whichuser();
1801: my $navmap = Apache::lonnavmaps::navmap->new();
1802: if (ref($navmap)) {
1803: my $res = $navmap->getBySymb($symb);
1804: if (ref($res)) {
1805: $probpartlist = $res->parts();
1806: }
1807: }
1.350 albertel 1808: }
1809:
1.552 raeburn 1810: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1811: $target eq 'tex') {
1812:
1813: my ($symb)= &Apache::lonnet::whichuser();
1814: ($status,$accessmsg,$slot_name,$slot,$ipused) =
1815: &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
1816: push (@Apache::inputtags::status,$status);
1817: }
1818:
1.284 albertel 1819: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1820:
1.479 raeburn 1821: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1822: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1823: $target eq 'tex') {
1.479 raeburn 1824:
1.159 albertel 1825: #handle rand seed in construction space
1.528 raeburn 1826: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1827: if (($target eq 'grade') && &Apache::response::submitted()) {
1828: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1829: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1830: } else {
1831: my @parts;
1832: if (ref($probpartlist) eq 'ARRAY') {
1833: @parts = @{$probpartlist};
1834: }
1835: unless (@parts) {
1.529 raeburn 1836: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1837: }
1838: }
1839: }
1.367 albertel 1840: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 1841:
1.333 albertel 1842: if ($env{'request.state'} ne "construct" &&
1843: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 1844: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.462 raeburn 1845: $rndseed.'" />'.
1.551 damieng 1846: '<button type="submit" name="resetdata"
1847: value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
1.334 albertel 1848: if (exists($env{'form.username'})) {
1849: $form_tag_start.=
1.164 albertel 1850: '<input type="hidden" name="username"
1.284 albertel 1851: value="'.$env{'form.username'}.'" />';
1.334 albertel 1852: }
1.462 raeburn 1853: if ($env{'request.role.adv'}) {
1854: $form_tag_start.= ' <label class="LC_nobreak">'
1855: .'<input type="checkbox" name="showallfoils"';
1856: if (defined($env{'form.showallfoils'})) {
1857: $form_tag_start.=' checked="checked"';
1858: }
1859: $form_tag_start.= ' /> '
1860: .&mt('Show All Foils')
1861: .'</label>';
1862: }
1.417 www 1863: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1864: $form_tag_start.=&practice_problem_header();
1.417 www 1865: }
1.462 raeburn 1866: $form_tag_start.='<hr />';
1.479 raeburn 1867: } elsif (($env{'request.state'} ne "construct") &&
1868: ($Apache::lonhomework::type eq 'randomizetry') &&
1.546 raeburn 1869: ($status eq 'CAN_ANSWER') &&
1.549 raeburn 1870: ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
1871: (!$env{'request.role.adv'})) {
1872: # "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
1.479 raeburn 1873: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1874: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1875: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries);
1876: }
1.324 albertel 1877:
1.159 albertel 1878: my $expression='$external::datestatus="'.$status.'";';
1879: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
1880: &Apache::run::run($expression,$safeeval);
1881: &Apache::lonxml::debug("Got $status");
1.324 albertel 1882:
1.159 albertel 1883: if (( $status eq 'CLOSED' ) ||
1884: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1885: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 1886: ( $status eq 'BANNED') ||
1.216 albertel 1887: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 1888: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 1889: ( $status eq 'NOTRESERVABLE') ||
1890: ( $status eq 'RESERVABLE') ||
1891: ( $status eq 'RESERVABLE_LATER') ||
1.540 raeburn 1892: ( $status eq 'INVALID_ACCESS') ||
1893: ( $status eq 'NEED_DIFFERENT_IP')) {
1.326 albertel 1894: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1895: $style);
1.561 raeburn 1896: if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
1897: $result .= '<p class="LC_error">'.
1898: &mt('A problem occurred when trying to start the timer.').'</p>';
1899: }
1.557 raeburn 1900: $result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);
1.324 albertel 1901: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1902: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1903: $style);
1.557 raeburn 1904: $result .= &checkin_prompt($target,$slot_name,$slot,'problem');
1.159 albertel 1905: } elsif ($target eq 'web') {
1.508 raeburn 1906: if ($status eq 'CAN_ANSWER') {
1907: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
1908: if ($slot_name ne '') {
1.557 raeburn 1909: $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
1910: $env{'request.symb'});
1.508 raeburn 1911: }
1912: if ($resource_due) {
1913: my $time_left = $resource_due - time();
1914: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
1915: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
1916: }
1917: }
1918: }
1.368 albertel 1919: $result.="\n $form_tag_start \t".
1.227 albertel 1920: '<input type="hidden" name="submitted" value="yes" />';
1921: # create a page header and exit
1.284 albertel 1922: if ($env{'request.state'} eq "construct") {
1.544 damieng 1923: if ($env{'form.inhibitmenu'} eq 'yes') {
1924: # error messages can be useful in any case
1925: $result.= &Apache::lonxml::message_location();
1926: } else {
1.542 raeburn 1927: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1928: }
1.428 raeburn 1929: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 1930: $result.= '<button type="submit" name="resetdata" '.
1931: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
1932: &practice_problem_header().'<hr />';
1.428 raeburn 1933: }
1.227 albertel 1934: }
1935: # if we are viewing someone else preserve that info
1.284 albertel 1936: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1937: foreach my $field ('symb','courseid','domain','username') {
1938: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1939: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1940: }
1.479 raeburn 1941: foreach my $field ('trial','questiontype') {
1942: if ($env{"form.grade_$field"} ne '') {
1943: $result .= '<input type="hidden" name="grade_'.$field.
1944: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1945: }
1946: }
1.159 albertel 1947: }
1.490 raeburn 1948: if ($env{'form.grade_imsexport'}) {
1949: $result = '';
1950: }
1.159 albertel 1951: } elsif ($target eq 'tex') {
1.319 foxr 1952: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 1953: $result .= &select_metadata_hyphenation();
1.99 sakharuk 1954: }
1.159 albertel 1955: } elsif ($target eq 'edit') {
1.343 albertel 1956: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1957: $Apache::lonxml::warnings_error_header=
1958: &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 1959: my $temp=&Apache::edit::insertlist($target,$token);
1960: $result.=$temp;
1961: } elsif ($target eq 'modified') {
1962: $result=$token->[4];
1963: } else {
1964: # page_start returned a starting result, delete it if we don't need it
1965: $result = '';
1.99 sakharuk 1966: }
1.159 albertel 1967: return $result;
1.9 albertel 1968: }
1969:
1970: sub end_problem {
1.159 albertel 1971: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 1972: my $result;
1.310 foxr 1973:
1.321 albertel 1974: if (!$Apache::lonxml::metamode) {
1975: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 1976: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1977: }
1.319 foxr 1978:
1979: if ($target eq 'tex') {
1.321 albertel 1980: # Figure out the front matter and replace the
1981: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1982: # this in end_problem because whether or not we display due
1983: # dates depends on whether due dates have already been
1984: # displayed in the problem parts.
1985:
1.319 foxr 1986: my $frontmatter = '';
1987: my $startminipage = '';
1988: if (not $env{'form.problem_split'}=~/yes/) {
1989: $startminipage = '\begin{minipage}{\textwidth}';
1990: }
1991: my $id = $Apache::inputtags::part;
1992: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1993: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 1994: my @packages = split(/,/,$packages);
1.319 foxr 1995: my $allow_print_points = 0;
1996: foreach my $partial_key (@packages) {
1997: if ($partial_key=~m/^part_0$/) {
1998: $allow_print_points=1;
1999: }
2000: }
2001: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2002: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
2003: if (lc($env{'course.'.$env{'request.course.id'}.
2004: '.disableexampointprint'}) eq 'yes') {
2005: $allow_print_points=0;
2006: }
2007: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 2008: 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 2009: &clear_required_languages();
1.319 foxr 2010: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
2011: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
2012:
2013: # Figure out what the due date is and if we need to print
2014: # it in the problem header. We have been logging the
2015: # last due date written to file.
2016:
2017: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
2018: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 2019: my $duedate_text = &mt('Due date: [_1]'
2020: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 2021: my $temp_file;
2022: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
2023:
2024: # Figure out what the last printed due date is or set it
2025: # to the epoch if no duedates have been printed.
2026:
2027: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
2028: if (-e $filename) {
2029: $temp_file = Apache::File->new($filename);
2030: my @due_file = <$temp_file>;
2031: $due_file_content = $due_file[$#due_file];
2032: chomp $due_file_content;
2033: }
2034:
2035: # We display the due date iff it is not the same as the last
2036: # duedate in problem header ($due_file_content), and
2037: # none of our parts displayed a duedate.
2038: #
2039: my $parts_with_displayduedate;
2040: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2041: $parts_with_displayduedate =
2042: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2043: } else {
2044: $parts_with_displayduedate = 0;
2045: }
2046: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2047: $temp_file = Apache::File->new('>'.$filename);
2048: print $temp_file "$duetime\n";
2049: if (not $env{'request.symb'} =~ m/\.page_/) {
2050: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2051: $frontmatter .= $begin_doc.
1.448 bisitz 2052: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2053: } else {
2054: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2055: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2056: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2057: }
1.319 foxr 2058: }
2059: } else {
1.448 bisitz 2060: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2061: }
2062: } else {
2063: if (not $env{'request.symb'} =~ m/\.page_/) {
2064: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2065: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2066: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2067: }
1.319 foxr 2068: } else {
1.381 albertel 2069: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2070: }
2071: }
2072: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
2073: }
2074:
1.159 albertel 2075: my $status=$Apache::inputtags::status['-1'];
2076: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2077: $target eq 'tex') {
1.249 albertel 2078: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2079: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2080: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2081: &Apache::inputtags::grade;
1.324 albertel 2082: } elsif ($status eq 'NEEDS_CHECKIN') {
2083: # no need to grade, and don't want to hide data
1.249 albertel 2084: } else {
2085: # move any submission data to .hidden
2086: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2087: }
1.159 albertel 2088: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2089: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2090: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2091: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2092: # if part is zero, no <part>s existed, so we need show the current
2093: # grading status
2094: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2095: $result.= $gradestatus;
2096: }
2097: if (
1.284 albertel 2098: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2099: ($target eq 'answer') || ($target eq 'tex')
2100: ) {
1.490 raeburn 2101: if (($target ne 'tex') &&
2102: ($env{'form.answer_output_mode'} ne 'tex') &&
2103: (!$env{'form.grade_imsexport'})) {
1.254 www 2104: $result.="</form>";
1.159 albertel 2105: }
2106: if ($target eq 'web') {
1.507 raeburn 2107: #
2108: # Closing </body></html> not added by end_page().
2109: # Added separately at end of this routine, after added
2110: # <script></script> so document will be valid xhtml.
2111: #
1.546 raeburn 2112: my $showdisc = 1;
1.547 raeburn 2113: if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
2114: (!$env{'request.role.adv'})) {
2115: # For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
1.546 raeburn 2116: $showdisc = 0;
1.547 raeburn 2117: my ($symb)= &Apache::lonnet::whichuser();
2118: if ($symb) {
2119: my $navmap = Apache::lonnavmaps::navmap->new();
2120: if (ref($navmap)) {
2121: my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
2122: # For Placement Tests test status is displayed if this is the last resource in the course
1.549 raeburn 2123: # and there are no tries left
1.547 raeburn 2124: unless ($hastries) {
2125: if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
2126: my ($score,$incomplete) =
2127: &Apache::lonplacementtest::check_completion(undef,undef,1);
2128: if (!$incomplete) {
2129: $result .= &Apache::lonplacementtest::showresult(1,1);
2130: } elsif ($incomplete < 100) {
2131: $result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
2132: }
2133: } else {
2134: # For Placement Tests score is displayed if test has just been completed
2135: my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
2136: if (!$incomplete) {
2137: $result.= &Apache::lonplacementtest::showresult(1,1);
2138: }
2139: }
2140: }
2141: }
2142: }
1.546 raeburn 2143: }
2144: $result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
1.507 raeburn 2145: 'notbody' => 1});
1.159 albertel 2146: } elsif ($target eq 'tex') {
1.178 sakharuk 2147: my $endminipage = '';
1.284 albertel 2148: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2149: $endminipage = '\end{minipage}';
2150: }
1.284 albertel 2151: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2152: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2153: } else {
1.262 sakharuk 2154: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2155: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2156: $result .= $endminipage.'\end{document} ';
2157: } else {
1.382 albertel 2158: $result .= $endminipage;
1.262 sakharuk 2159: }
1.159 albertel 2160: }
2161: }
2162: }
1.476 www 2163: if ($target eq 'web') {
2164: $result.=&Apache::functionplotresponse::init_script();
2165: }
1.159 albertel 2166: if ($target eq 'grade') {
2167: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2168: &finalize_storage();
2169: }
1.284 albertel 2170: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2171: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2172: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2173: # normally we get it from above, but in CSTR
1.172 albertel 2174: # we always show answer mode too.
1.159 albertel 2175: }
2176: } elsif ($target eq 'meta') {
2177: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2178: @Apache::inputtags::response=();
1.159 albertel 2179: $result=&Apache::response::mandatory_part_meta;
2180: }
1.559 raeburn 2181: $result.=&Apache::response::meta_part_order('problem');
1.258 albertel 2182: $result.=&Apache::response::meta_response_order();
1.159 albertel 2183: } elsif ($target eq 'edit') {
2184: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2185: $result .= &problem_edit_footer();
1.320 albertel 2186: } elsif ($target eq 'modified') {
2187: $result .= $token->[2];
1.159 albertel 2188: }
1.155 albertel 2189:
1.284 albertel 2190: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2191: &Apache::inputtags::check_for_duplicate_ids();
2192: }
1.204 albertel 2193:
2194: &reset_problem_globals('problem');
1.159 albertel 2195:
1.502 foxr 2196: #
2197: # This shouild be just above the return so that the
2198: # time put in the javascript is as late as possible in the
2199: # computation:
2200: #
2201: if ($target eq 'web') {
2202: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2203: #
2204: # Closing tags delayed so any <script></script> tags
2205: # not in head can appear inside body, for valid xhtml.
2206: #
2207: $result .= "</body>\n</html>";
1.502 foxr 2208: }
1.159 albertel 2209: return $result;
1.48 albertel 2210: }
2211:
1.108 albertel 2212:
1.48 albertel 2213: sub start_library {
1.159 albertel 2214: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2215: my ($result,$form_tag_start);
1.371 albertel 2216: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2217: &init_problem_globals('library');
2218: $Apache::lonhomework::type='problem';
2219: }
1.159 albertel 2220: if ($target eq 'edit') {
1.343 albertel 2221: ($result,$form_tag_start)=
2222: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2223: 'Edit');
2224: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2225: my $temp=&Apache::edit::insertlist($target,$token);
2226: $result.=$temp;
2227: } elsif ($target eq 'modified') {
2228: $result=$token->[4];
1.340 albertel 2229: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2230: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2231: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2232: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2233: ($result,$form_tag_start)=
2234: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2235: $name);
1.479 raeburn 2236: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2237: $result.=" \n $form_tag_start".
1.159 albertel 2238: '<input type="hidden" name="submitted" value="yes" />';
2239: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2240: if ($Apache::lonhomework::type eq 'practice') {
1.551 damieng 2241: $result.= '<button type="submit" name="resetdata" '.
2242: 'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
2243: &practice_problem_header().'<hr />';
1.428 raeburn 2244: }
1.159 albertel 2245: }
2246: return $result;
1.48 albertel 2247: }
2248:
2249: sub end_library {
1.159 albertel 2250: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2251: my $result='';
2252: if ($target eq 'edit') {
2253: $result=&problem_edit_footer();
1.371 albertel 2254: } elsif ($target eq 'web'
2255: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2256: && $env{'request.state'} eq "construct") {
1.349 albertel 2257: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.558 raeburn 2258: } elsif ($target eq 'meta') {
1.559 raeburn 2259: $result.=&Apache::response::meta_part_order('library');
1.558 raeburn 2260: $result.=&Apache::response::meta_response_order();
1.159 albertel 2261: }
1.371 albertel 2262: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2263: &reset_problem_globals('library');
2264: }
1.159 albertel 2265: return $result;
1.197 www 2266: }
2267:
2268: sub start_definetag {
1.326 albertel 2269: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2270:
2271: my $result;
2272:
2273: my $name = $token->[2]->{'name'};
1.326 albertel 2274: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2275: if ($target eq 'web') {
2276: if ($name=~/^\//) {
2277: $result=
2278: '<br /><table class="LC_sty_end"><tr><th>'.
2279: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2280: } else {
2281: $result=
2282: '<br /><table class="LC_sty_begin"><tr><th>'.
2283: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2284: }
2285: $skip = &HTML::Entities::encode($skip, '<>&"');
2286: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2287: }
2288: return $result;
2289: }
2290:
2291: sub end_definetag {
2292: return '';
1.1 albertel 2293: }
2294:
2295: sub start_block {
1.201 albertel 2296: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2297:
2298: my $result;
1.1 albertel 2299:
1.339 albertel 2300: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2301: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2302: my $code = $token->[2]->{'condition'};
1.385 albertel 2303: if (defined($code) && $code ne '') {
1.137 albertel 2304: if (!$Apache::lonxml::default_homework_loaded) {
2305: &Apache::lonxml::default_homework_load($safeeval);
2306: }
1.131 albertel 2307: $result = &Apache::run::run($code,$safeeval);
2308: &Apache::lonxml::debug("block :$code: returned :$result:");
2309: } else {
2310: $result='1';
2311: }
2312: if ( ! $result ) {
1.201 albertel 2313: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2314: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2315: }
2316: $result='';
2317: } elsif ($target eq 'edit') {
2318: $result .=&Apache::edit::tag_start($target,$token);
2319: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2320: $token,40);
2321: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2322: } elsif ($target eq 'modified') {
2323: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2324: $safeeval,'condition');
2325: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2326: }
1.131 albertel 2327: return $result;
1.1 albertel 2328: }
2329:
2330: sub end_block {
1.167 www 2331: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2332: my $result;
2333: if ($target eq "edit") {
2334: $result.= &Apache::edit::tag_end($target,$token,'');
2335: }
2336: return $result;
2337: }
1.500 foxr 2338: #
2339: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2340: # ...
2341: # </languageblock>
2342: #
2343: # This declares the intent to provide content that can be rendered in the
2344: # set of languages in the include specificatino but not in the exclude
2345: # specification. If a currently preferred language is in the include list
2346: # the content in the <languageblock>...</languageblock> is rendered
2347: # If the currently preferred language is in the exclude list,
2348: # the content in the <languageblock>..></languageblock is not rendered.
2349: #
2350: # Pathalogical case handling:
2351: # - Include specified, without the preferred language but exclude specified
2352: # also without the preferred langauge results in rendering the block.
2353: # - Exclude specified without include and excluden not containing a
2354: # preferred language renders the block.
2355: # - Include and exclude both specifying the preferred language does not
2356: # render the block.
2357: # - If neither include/exclude is specified, the block gets rendered.
2358: #
2359: # This tag has no effect when target is in {edit, modified}
2360: #
1.167 www 2361: sub start_languageblock {
1.201 albertel 2362: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2363:
1.500 foxr 2364: my $result = '';
1.167 www 2365:
1.339 albertel 2366: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2367: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2368: my $include = $token->[2]->{'include'};
2369: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2370: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2371:
2372: # This should not even happen, since we should at least have the server language
2373:
2374: if (!$preferred_languages[0]) {
2375: $preferred_languages[0]='en';
2376: }
2377:
2378: # Now loop over all languages in order of preference
2379:
2380: my $render;
1.398 www 2381: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2382:
2383: # If neither include/nor exlude is present the block is going
2384: # to get rendered.
2385:
1.399 www 2386: my $found=0;
1.500 foxr 2387: $render=1;
2388:
2389: # If include is specified, don't render the block
2390: # unless the preferred language is included in the set.
2391:
1.398 www 2392: if ($include) {
1.500 foxr 2393: $render=0;
1.398 www 2394: foreach my $included_language (split(/\,/,$include)) {
2395: if ($included_language eq $preferred_language) {
1.500 foxr 2396: $render=1;
1.399 www 2397: $found=1;
1.500 foxr 2398: last; # Only need to find the first.
1.398 www 2399: }
2400: }
2401: }
1.500 foxr 2402: # Do we have an exclude argument?
2403: # If so, and one of the languages matches a preferred language
2404: # inhibit rendering the block. Note that in the pathalogical case the
2405: # author has specified a preferred language in both the include and exclude
2406: # attribte exclude is preferred.
2407:
1.398 www 2408: if ($exclude) {
1.500 foxr 2409: $render=1;
1.398 www 2410: foreach my $excluded_language (split(/\,/,$exclude)) {
2411: if ($excluded_language eq $preferred_language) {
1.500 foxr 2412: $render=0;
1.399 www 2413: $found=1;
1.500 foxr 2414: last; # Only need to find the first.
1.398 www 2415: }
2416: }
2417: }
1.500 foxr 2418: if ($found) {
2419: last; # Done on any match of include or exclude.
2420: }
1.398 www 2421: }
1.500 foxr 2422: # If $render not true skip the entire block until </languageblock>
2423: #
2424:
2425: if ( ! $render ) {
1.201 albertel 2426: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2427: $style);
2428: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2429: }
1.500 foxr 2430: # If $render is true, we've not skipped the contents of the <languageglock>
2431: # and the normal loncapa processing flow will render it as a matter of course.
2432:
1.167 www 2433: } elsif ($target eq 'edit') {
2434: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2435: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2436: $token,40);
1.211 albertel 2437: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2438: $token,40);
2439: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2440: } elsif ($target eq 'modified') {
2441: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2442: $safeeval,'include',
2443: 'exclude');
1.167 www 2444: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2445: }
2446: return $result;
2447: }
2448:
2449: sub end_languageblock {
1.170 www 2450: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2451: my $result;
1.201 albertel 2452: if ($target eq "edit") {
1.170 www 2453: $result.= &Apache::edit::tag_end($target,$token,'');
2454: }
2455: return $result;
2456: }
1.500 foxr 2457: # languagblock specific tags:
2458: {
2459: # For chunks of a resource that has translations, this hash contains
2460: # the translations available indexed by language name.
2461: #
2462:
2463: my %available_texts;
1.170 www 2464:
1.500 foxr 2465: # <translated> starts a block of a resource that has multiple translations.
2466: # See the <lang> tag as well.
2467: # When </translated> is encountered if there is a translation for the
2468: # currently preferred language, that is rendered inthe web/tex/webgrade
2469: # targets. Otherwise, the default text is rendered.
2470: #
2471: # Note that <lang> is only registered for the duration of the
2472: # <translated>...</translated> block
2473: #
2474: # Pathalogical case handling:
2475: # - If there is no <lang> that specifies a 'default' and there is no
2476: # translation that matches a preferred language, nothing is rendered.
2477: # - Nested <translated>...</translated> might be linguistically supported by
2478: # XML due to the stack nature of tag registration(?) however the rendered
2479: # output will be incorrect because there is only one %available_texts
2480: # has and end_translated clears it.
2481: # - Material outside of a <lang>...</lang> block within the
2482: # <translated>...<translated> block won't render either e.g.:
2483: # <translated>
2484: # The following will be in your preferred langauge:
2485: # <lang which='en'>
2486: # This section in english
2487: # </lang>
2488: # <lang which='sgeiso'>
2489: # Hier es ist auf Deutsch.
2490: # </lang>
2491: # <lang which='sfriso'>
2492: # En Francais
2493: # </lang>
2494: # </translated>
2495: #
2496: # The introductory text prior to the first <lang> tag is not rendered.
2497: #
1.397 albertel 2498: sub start_translated {
2499: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2500: &Apache::lonxml::register('Apache::structuretags',('lang'));
2501: undef(%available_texts);
2502: }
2503:
2504: sub end_translated {
2505: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2506: my $result;
2507: #show the translation on viewable targets
2508: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2509: # or non-viewable targets, if it's embedded in something that
2510: # wants the output
2511: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2512: && &Apache::lonxml::in_redirection() ) ) {
2513: my @possibilities = keys(%available_texts);
2514: my $which =
2515: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2516: if ($target eq 'tex') {
2517: $result = &select_hyphenation($which);
2518: }
2519: $result .= $available_texts{$which};
2520: if ($target eq 'tex') {
2521: $result .= &select_metadata_hyphenation(); # Restore original language.
2522: }
1.397 albertel 2523: }
2524: undef(%available_texts);
2525: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2526: return $result;
2527: }
2528:
1.500 foxr 2529: # <lang [which='language-name'] [other='lang1,lang2...']>
2530: # Specifies that the block contained within it is a translation
2531: # for a specific language specified by the 'which' attribute. The
2532: # 'other' attribute can be used by itself or in conjunction with
2533: # which to specify this tag _may_ be used as a translation for some
2534: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2535: # specifying that the block provides a translation for US (primary)
2536: # Canadian, Australian and UK Englush.
2537: #
2538: # Comment: this seems a bit silly why not just support a list of languages
2539: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2540: #
2541: # Effect:
2542: # The material within the <lang>..</lang> block is stored in the
2543: # specified set of $available_texts hash entries, the appropriate one
2544: # is selected at </translated> time.
2545: #
2546: # Pathalogical case handling:
2547: # If a language occurs multiple times within a <translated> block,
2548: # only the last one is rendered e.g.:
2549: #
2550: # <translated>
2551: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2552: # Red green color blindness is quite common affecting about 7.8% of
2553: # the male population, but onloy about .65% of the female population.
2554: # </lang>
2555: # Red green colour blindness is quite common affecting about 7.8% of
2556: # the male population, but onloy about .65% of the female population.
2557: # <lang which='seniso', other='senisoCA,senisoAU'>
2558: # </translated>
2559: #
2560: # renders the correct spelling of color (colour) for people who have specified
2561: # a preferred language that is one of the British Commonwealth languages
2562: # even though those are also listed as valid selections for the US english
2563: # <lang> block.
2564: #
1.397 albertel 2565: sub start_lang {
2566: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2567: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2568: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2569: &Apache::lonxml::startredirection();
2570: }
2571: return '';
2572: }
2573:
2574: sub end_lang {
2575: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2576: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2577: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2578: my $result = &Apache::lonxml::endredirection();
2579: my $which = &Apache::lonxml::get_param('which',$parstack,
2580: $safeeval);
1.431 raeburn 2581: if ($which=~/\w/) {
2582: $available_texts{$which} = $result;
2583: }
2584: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2585: $safeeval);
2586: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2587: if ($language=~/\w/) {
2588: $available_texts{$language} = $result;
2589: }
1.427 bisitz 2590: }
2591:
1.397 albertel 2592: }
2593: return '';
2594: }
1.500 foxr 2595: } # end langauge block specific tags.
2596:
1.397 albertel 2597:
1.170 www 2598: sub start_instructorcomment {
1.201 albertel 2599: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2600:
2601: my $result;
2602:
1.339 albertel 2603: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2604: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2605: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2606: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2607: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2608: $parser,$style);
1.170 www 2609: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2610: }
2611: $result='';
2612: } elsif ($target eq 'edit') {
2613: $result .=&Apache::edit::tag_start($target,$token);
2614: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2615: }
2616: return $result;
2617: }
2618:
2619: sub end_instructorcomment {
1.159 albertel 2620: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2621: my $result;
2622: if ($target eq "edit") {
2623: $result.= &Apache::edit::tag_end($target,$token,'');
2624: }
2625: return $result;
1.4 tsai 2626: }
2627:
2628: sub start_while {
1.326 albertel 2629: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2630:
1.160 albertel 2631: my $result;
1.339 albertel 2632: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2633: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2634: my $code = $token->[2]->{'condition'};
1.4 tsai 2635:
1.160 albertel 2636: push( @Apache::structuretags::whileconds, $code);
2637: if (!$Apache::lonxml::default_homework_loaded) {
2638: &Apache::lonxml::default_homework_load($safeeval);
2639: }
2640: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2641: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2642: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2643: push( @Apache::structuretags::whileline, $token->[5]);
2644: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2645: if ( $result ) {
2646: &Apache::lonxml::newparser($parser,\$bodytext);
2647: }
2648: } elsif ($target eq 'edit') {
2649: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2650: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2651: $token,40);
2652: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2653: } elsif ($target eq 'modified') {
2654: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2655: $safeeval,'condition');
2656: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2657: }
1.160 albertel 2658: return $result;
1.4 tsai 2659: }
2660:
2661: sub end_while {
1.159 albertel 2662: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2663: my $result;
2664:
1.339 albertel 2665: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2666: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2667: my $code = pop(@Apache::structuretags::whileconds);
2668: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2669: my $line = pop(@Apache::structuretags::whileline);
2670: my $return = &Apache::run::run($code,$safeeval);
2671: my $starttime=time;
2672: my $error=0;
2673: while ($return) {
2674: if (time-$starttime >
2675: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2676: $return = 0; $error=1; next;
1.161 albertel 2677: }
2678: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2679: if ($target eq 'grade' || $target eq 'answer' ||
2680: $target eq 'analyze') {
2681: # grade/answer/analyze should produce no output but if we
2682: # are redirecting, the redirecter should know what to do
2683: # with the output
2684: if (!$Apache::lonxml::redirection) { undef($result); }
2685: }
1.161 albertel 2686: $return = &Apache::run::run($code,$safeeval);
2687: }
1.516 bisitz 2688: if ($error) {
2689: &Apache::lonxml::error(
2690: '<pre>'
2691: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2692: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2693: .&mt('This occurred while running <while> on line [_1].',
2694: $line)
2695: .'</pre>');
2696: }
1.160 albertel 2697: } elsif ($target eq "edit") {
2698: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2699: }
1.160 albertel 2700: return $result;
1.1 albertel 2701: }
1.6 tsai 2702:
1.160 albertel 2703: # <randomlist show="1">
1.6 tsai 2704: # <tag1>..</tag1>
2705: # <tag2>..</tag2>
2706: # <tag3>..</tag3>
1.160 albertel 2707: # ...
1.6 tsai 2708: # </randomlist>
2709: sub start_randomlist {
1.326 albertel 2710: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2711: my $result;
1.339 albertel 2712: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2713: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2714: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2715: my $b_parser= HTML::LCParser->new(\$body);
2716: $b_parser->xml_mode(1);
2717: $b_parser->marked_sections(1);
1.159 albertel 2718: my $b_tok;
2719: my @randomlist;
2720: my $list_item;
2721: while($b_tok = $b_parser->get_token() ) {
2722: if($b_tok->[0] eq 'S') { # start tag
2723: # get content of the tag until matching end tag
2724: # get all text upto the matching tag
2725: # and push the content into @randomlist
2726: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2727: $b_parser);
2728: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2729: push(@randomlist,$list_item);
2730: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2731: # $list_item</b>";
2732: }
2733: if($b_tok->[0] eq 'T') { # text
2734: # what to do with text in between tags?
2735: # print "<b>TEXT $b_tok->[1]</b><br />";
2736: }
2737: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2738: # print "<b>END-TAG $b_tok->[1]</b><br />";
2739: # }
2740: }
1.303 albertel 2741: if (@randomlist) {
2742: my @idx_arr = (0 .. $#randomlist);
1.555 raeburn 2743: if ($env{'form.code_for_randomlist'}) {
2744: &Apache::structuretags::shuffle(\@idx_arr,$target);
2745: undef($env{'form.code_for_randomlist'});
2746: } else {
2747: &Apache::structuretags::shuffle(\@idx_arr);
2748: }
1.303 albertel 2749: my $bodytext = '';
2750: my $show=$#randomlist;
2751: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2752: $showarg--;
2753: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2754: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2755: my @currlist;
2756: my $part = $Apache::inputtags::part;
2757: if ($part ne '') {
2758: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2759: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2760: if (!(grep(/^\Q$part\E$/,@currlist))) {
2761: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2762: }
2763: } else {
2764: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2765: }
2766: }
2767: }
1.526 raeburn 2768: for my $i (0 .. $show) {
2769: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2770: }
2771: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2772: }
2773: } elsif ($target eq 'edit' ) {
2774: $result .=&Apache::edit::tag_start($target,$token);
2775: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2776: $token,5);
2777: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2778: } elsif ($target eq 'modified' ) {
2779: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2780: $safeeval,'show');
2781: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2782: }
2783: return $result;
1.7 tsai 2784: }
2785:
2786: sub shuffle {
1.555 raeburn 2787: my ($a,$target) = @_;
1.7 tsai 2788: my $i;
1.303 albertel 2789: if (ref($a) eq 'ARRAY' && @$a) {
1.555 raeburn 2790: &Apache::response::pushrandomnumber(undef,$target);
1.159 albertel 2791: for($i=@$a;--$i;) {
2792: my $j=int(&Math::Random::random_uniform() * ($i+1));
2793: next if $i == $j;
2794: @$a[$i,$j] = @$a[$j,$i];
2795: }
1.251 albertel 2796: &Apache::response::poprandomnumber();
1.7 tsai 2797: }
1.6 tsai 2798: }
2799:
2800: sub end_randomlist {
1.159 albertel 2801: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2802: my $result;
2803: if ($target eq 'edit' ) {
2804: $result=&Apache::edit::tag_end($target,$token,
2805: 'End Randomly Parsed Block');
2806: }
2807: return $result;
1.6 tsai 2808: }
2809:
1.283 albertel 2810: sub ordered_show_check {
2811: my $last_part=$Apache::inputtags::partlist[-2];
2812: my $in_order=
2813: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2814: my $in_order_show=1;
2815: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2816: $in_order_show=&Apache::response::check_status($last_part);
2817: }
2818: return $in_order_show;
2819: }
2820:
1.469 www 2821:
2822: sub start_startpartmarker {
2823: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2824: my $result='';
2825: if ($target eq 'edit') {
2826: $result=&Apache::edit::tag_start($target,$token);
2827: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2828: $result.=&Apache::edit::end_table();
2829:
2830: }
2831: return $result;
2832: }
2833:
2834: sub end_startpartmarker {
2835: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2836: my @result;
2837: if ($target eq 'edit') { $result[1]='no'; }
2838: return @result;
2839: }
2840:
2841: sub start_endpartmarker {
2842: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2843: my $result='';
2844: if ($target eq 'edit') {
2845: $result=&Apache::edit::tag_start($target,$token);
2846: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
2847: $result.=&Apache::edit::end_table();
2848:
2849: }
2850: return $result;
2851: }
2852:
2853: sub end_endpartmarker {
2854: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2855: my @result;
2856: if ($target eq 'edit') { $result[1]='no'; }
2857: return @result;
2858: }
2859:
2860:
2861:
2862:
2863:
1.11 albertel 2864: sub start_part {
1.326 albertel 2865: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 2866: if (!$Apache::lonxml::metamode) {
2867: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
2868: # duedates.
2869: }
1.159 albertel 2870: my $result='';
1.386 albertel 2871: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 2872: $Apache::inputtags::part=$id;
1.177 albertel 2873: push(@Apache::inputtags::partlist,$id);
1.536 raeburn 2874: $Apache::inputtags::leniency='';
1.177 albertel 2875: @Apache::inputtags::response=();
1.159 albertel 2876: @Apache::inputtags::previous=();
2877: @Apache::inputtags::previous_version=();
1.405 albertel 2878: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 2879: &Apache::response::reset_params();
2880:
1.159 albertel 2881: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 2882: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
2883: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 2884: if ($Apache::lonhomework::type eq 'randomizetry') {
2885: my $rndseed=&setup_rndseed($safeeval,$target);
2886: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2887: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 2888: }
2889: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2890: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 2891: }
1.283 albertel 2892: my $in_order_show=&ordered_show_check();
1.214 albertel 2893: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 2894: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 2895: &Apache::run::run($expression,$safeeval);
1.159 albertel 2896:
2897: if ($target eq 'meta') {
1.224 www 2898: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
2899: return &Apache::response::mandatory_part_meta.
2900: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 2901: } elsif ($target eq 'web' || $target eq 'grade' ||
2902: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 2903: if ($hidden || !$in_order_show) {
1.326 albertel 2904: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 2905: } else {
2906: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
2907: push (@Apache::inputtags::status,$status);
2908: my $expression='$external::datestatus="'.$status.'";';
2909: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
2910: &Apache::run::run($expression,$safeeval);
1.284 albertel 2911: if ($env{'request.state'} eq 'construct') {
1.241 albertel 2912: &set_problem_state($Apache::inputtags::part);
1.240 albertel 2913: }
1.216 albertel 2914: if (( $status eq 'CLOSED' ) ||
2915: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2916: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 2917: ( $status eq 'BANNED') ||
2918: ( $status eq 'UNAVAILABLE') ||
2919: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 2920: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
2921: $style);
1.159 albertel 2922: if ( $target eq "web" ) {
1.211 albertel 2923: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 2924: } elsif ( $target eq 'tex' ) {
1.284 albertel 2925: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 2926: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 2927: } else {
1.211 albertel 2928: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 2929: }
1.159 albertel 2930: }
2931: } else {
2932: if ($target eq 'tex') {
1.284 albertel 2933: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 2934: if ($$tagstack[-2] eq 'td') {
1.388 foxr 2935: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 2936: } else {
2937: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
2938: }
1.195 sakharuk 2939: }
1.159 albertel 2940: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 2941: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2942: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 2943: my $allow_print_points = 0;
2944: foreach my $partial_key (@allkeys) {
1.230 albertel 2945: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 2946: if ($1 ne '0') {$allow_print_points=1;}
2947: }
2948: }
1.275 albertel 2949: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2950: if (defined($maxtries) && $maxtries < 0) {
2951: $allow_print_points=0;
2952: }
1.302 albertel 2953: if (lc($env{'course.'.$env{'request.course.id'}.
2954: '.disableexampointprint'}) eq 'yes') {
2955: $allow_print_points=0;
2956: }
1.463 foxr 2957: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 2958: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2959:
2960: }
1.233 www 2961: } elsif ($target eq 'web') {
1.479 raeburn 2962: if ($status eq 'CAN_ANSWER') {
2963: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2964: my $probrandomize = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].type");
2965: my $probrandtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].randomizeontries");
2966: my $num = scalar(@Apache::inputtags::partlist)-1;
2967: if ($probrandomize eq 'randomizetry') {
2968: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") ne 'randomizetry') {
2969: $result .= &randomizetry_part_header($problemstatus,'none',$num);
2970: } else {
2971: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2972: if ($probrandtries ne $reqtries) {
2973: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2974: }
2975: }
2976: } elsif (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") eq 'randomizetry') {
2977: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2978: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2979: }
2980: }
1.475 raeburn 2981: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 2982: }
2983: }
2984: }
2985: } elsif ($target eq 'edit') {
2986: $result.=&Apache::edit::tag_start($target,$token);
2987: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
2988: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 2989: ' '.
2990: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 2991: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
2992: } elsif ($target eq 'modified') {
2993: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 2994: $safeeval,'id','display');
1.159 albertel 2995: if ($constructtag) {
1.225 albertel 2996: #limiting ids to only letters numbers, and space
1.224 www 2997: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 2998: $result = &Apache::edit::rebuild_tag($token);
2999: }
3000: }
3001: return $result;
1.11 albertel 3002: }
3003:
3004: sub end_part {
1.159 albertel 3005: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3006: &Apache::lonxml::debug("in end_part $target ");
3007: my $status=$Apache::inputtags::status['-1'];
3008: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 3009: my $in_order_show=&ordered_show_check();
1.321 albertel 3010: my $result;
3011: if (!$Apache::lonxml::metamode) {
3012: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 3013: $Apache::lonxml::post_evaluate=0;
1.321 albertel 3014: }
1.312 albertel 3015: if ($target eq 'grade') {
1.249 albertel 3016: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 3017: !$hidden && $in_order_show) {
1.311 foxr 3018: $result.=&Apache::inputtags::grade;
1.249 albertel 3019: } else {
3020: # move any submission data to .hidden
3021: &Apache::inputtags::hidealldata($Apache::inputtags::part);
3022: }
1.283 albertel 3023: } elsif (($target eq 'web' || $target eq 'tex') &&
3024: !$hidden && $in_order_show) {
1.159 albertel 3025: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
3026: $target);
1.490 raeburn 3027: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
3028: ($env{'form.grade_imsexport'})) {
1.212 albertel 3029: $gradestatus='';
3030: }
1.311 foxr 3031: $result.=$gradestatus;
1.265 sakharuk 3032: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 3033: } elsif ($target eq 'edit') {
1.311 foxr 3034: $result.=&Apache::edit::end_table();
1.322 albertel 3035: } elsif ($target eq 'modified') {
3036: $result .= $token->[2];
1.159 albertel 3037: }
3038: pop @Apache::inputtags::status;
3039: $Apache::inputtags::part='';
1.536 raeburn 3040: $Apache::inputtags::leniency='';
1.295 albertel 3041: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 3042: return $result;
1.11 albertel 3043: }
1.1 albertel 3044:
1.25 albertel 3045: sub start_preduedate {
1.326 albertel 3046: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 3047: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3048: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 3049: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 3050: if (!$Apache::lonhomework::scantronmode &&
3051: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 3052: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
3053: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 3054: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 3055: }
1.24 albertel 3056: }
1.159 albertel 3057: return '';
1.24 albertel 3058: }
3059:
1.25 albertel 3060: sub end_preduedate {
1.159 albertel 3061: return '';
1.24 albertel 3062: }
3063:
1.369 foxr 3064: # In all the modes where <postanswerdate> text is
3065: # displayable, all we do is eat up the text between the start/stop
3066: # tags if the conditions are not right to display it.
1.25 albertel 3067: sub start_postanswerdate {
1.326 albertel 3068: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 3069: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
3070: &Apache::lonnet::allowed('pav',
3071: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3072: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3073: $target eq 'tex' ) {
1.300 albertel 3074: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3075: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3076: (($target eq 'tex') && !$pav)) {
1.326 albertel 3077: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3078: }
3079: }
3080: return '';
1.24 albertel 3081: }
3082:
1.25 albertel 3083: sub end_postanswerdate {
1.159 albertel 3084: return '';
1.24 albertel 3085: }
3086:
1.25 albertel 3087: sub start_notsolved {
1.326 albertel 3088: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3089: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3090: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3091: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3092: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3093: if ($gradestatus =~ /^correct/ &&
3094: &Apache::response::show_answer()) {
1.159 albertel 3095: &Apache::lonxml::debug("skipping");
1.326 albertel 3096: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3097: }
1.24 albertel 3098: }
1.159 albertel 3099: return '';
1.24 albertel 3100: }
3101:
1.25 albertel 3102: sub end_notsolved {
1.159 albertel 3103: return '';
1.24 albertel 3104: }
3105:
3106: sub start_solved {
1.326 albertel 3107: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3108: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3109: $target eq 'tex') {
3110: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3111: if ($gradestatus !~ /^correct/ ||
3112: !&Apache::response::show_answer()) {
1.326 albertel 3113: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3114: }
1.24 albertel 3115: }
1.159 albertel 3116: return '';
1.24 albertel 3117: }
3118:
3119: sub end_solved {
1.248 albertel 3120: return '';
3121: }
3122:
3123: sub start_problemtype {
1.326 albertel 3124: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3125: my $result;
1.339 albertel 3126: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3127: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3128: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3129: if (!defined($mode)) { $mode='show'; }
3130: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3131: my $found=0;
3132: foreach my $type (split(',',$for)) {
3133: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3134: }
3135: if ($mode eq 'show' && !$found) {
1.326 albertel 3136: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3137: }
3138: if ($mode eq 'hide' && $found) {
1.326 albertel 3139: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3140: }
3141: } elsif ($target eq 'edit') {
3142: $result .=&Apache::edit::tag_start($target,$token);
3143: $result.=&Apache::edit::select_arg('Mode:','mode',
3144: [['show','Show'],
3145: ['hide','Hide']]
3146: ,$token);
3147: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 3148: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 3149: ['survey','Survey'],
1.465 raeburn 3150: ['surveycred','Survey (with credit)'],
3151: ['anonsurvey','Anonymous Survey'],
3152: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3153: ['problem','Homework Problem'],
1.479 raeburn 3154: ['practice','Practice Problem'],
3155: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3156: ,$token);
3157: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3158: } elsif ($target eq 'modified') {
3159: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3160: $safeeval,'mode','for');
3161: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3162: }
3163: return $result;
3164: }
3165:
3166: sub end_problemtype {
1.159 albertel 3167: return '';
1.24 albertel 3168: }
1.34 albertel 3169:
3170: sub start_startouttext {
1.159 albertel 3171: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3172: my @result=(''.'');
3173: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3174:
3175: my $nesting =
3176: &Apache::lonxml::set_state('outtext',
3177: &Apache::lonxml::get_state('outtext')+1);
3178: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3179: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3180: }
1.159 albertel 3181: return (@result);
1.34 albertel 3182: }
1.159 albertel 3183:
1.34 albertel 3184: sub end_startouttext {
1.326 albertel 3185: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3186: my $result='';
3187: my $text='';
3188: if ($target eq 'edit') {
1.424 foxr 3189: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3190: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3191: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3192: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3193: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3194: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3195: .'</span></td>'
1.550 raeburn 3196: .'<td><span id="math_'.$areaid.'">';
3197: if ($env{'environment.nocodemirror'}) {
3198: $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
3199: } else {
3200: $result.=' ';
3201: }
3202: $result.='</span></td>'
1.474 raeburn 3203: .'<td>'
3204: .&Apache::edit::insertlist($target,$token)
3205: .'</td>'
1.515 golterma 3206: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3207: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3208: &Apache::edit::end_row().
1.362 albertel 3209: &Apache::edit::start_spanning_row()."\n".
1.255 www 3210: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3211: }
3212: if ($target eq 'modified') {
1.219 albertel 3213: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3214: }
3215: if ($target eq 'tex') {
3216: $result .= '\noindent ';
3217: }
3218: return $result;
1.34 albertel 3219: }
1.159 albertel 3220:
1.34 albertel 3221: sub start_endouttext {
1.159 albertel 3222: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3223: my $result='';
3224: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3225: if ($target eq "modified") {
3226: $result='<endouttext />'.
1.377 albertel 3227: &Apache::edit::handle_insertafter('startouttext');
3228: }
1.404 albertel 3229:
3230: my $nesting =
3231: &Apache::lonxml::set_state('outtext',
3232: &Apache::lonxml::get_state('outtext')-1);
3233: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3234: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3235: &Apache::lonxml::set_state('outtext', 0);
3236: }
1.159 albertel 3237: return $result;
1.34 albertel 3238: }
1.159 albertel 3239:
1.34 albertel 3240: sub end_endouttext {
1.159 albertel 3241: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3242: my @result=('','');
3243: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3244: return (@result);
1.34 albertel 3245: }
1.159 albertel 3246:
1.45 albertel 3247: sub delete_startouttext {
1.326 albertel 3248: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3249: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3250: my $text=$$parser['-1']->get_text("/endouttext");
3251: my $ntoken=$$parser['-1']->get_token();
3252: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3253: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3254: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3255: # they did the last time round
3256: &Apache::lonxml::increasedepth($ntoken);
3257: &Apache::lonxml::decreasedepth($ntoken);
3258: return 1;
1.193 www 3259: }
3260:
3261: sub start_simpleeditbutton {
3262: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3263: my $result='';
1.284 albertel 3264: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3265: ($target eq 'web') &&
1.330 albertel 3266: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3267: my $url=$env{'request.noversionuri'};
1.193 www 3268: $url=~s/\?.*$//;
1.367 albertel 3269: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3270: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3271: # $result='<p class="LC_warning">'
3272: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3273: # .&Apache::loncommon::help_open_topic('Caching')
3274: # .'</p>';
1.486 www 3275: $result.=&Apache::loncommon::head_subbox(
3276: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3277: .&Apache::lonhtmlcommon::add_item_funclist(
3278: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3279: .&mt('Edit').'</a>')
1.486 www 3280: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3281:
1.193 www 3282: }
3283: return $result;
3284: }
3285:
3286: sub end_simpleeditbutton {
3287: return '';
1.45 albertel 3288: }
1.34 albertel 3289:
1.428 raeburn 3290: sub practice_problem_header {
1.556 raeburn 3291: return '<h3 class="LC_info">'.&mt('Practice Problem').'</h3>'.
1.428 raeburn 3292: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3293: '</span>';
3294: }
3295:
1.479 raeburn 3296: sub randomizetry_problem_header {
3297: my ($problemstatus,$reqtries) = @_;
3298: my ($header,$text);
3299: if ($reqtries > 1) {
3300: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3301: if (($problemstatus eq 'no') ||
3302: ($problemstatus eq 'no_feedback_ever')) {
3303: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3304: } else {
3305: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3306: }
3307: } else {
3308: $header = &mt('New Problem Variation Each Try');
3309: if (($problemstatus eq 'no') ||
3310: ($problemstatus eq 'no_feedback_ever')) {
3311: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3312:
3313: } else {
3314: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3315: }
3316: }
1.556 raeburn 3317: return '<h3 class="LC_info">'.$header.'</h3>'.
1.479 raeburn 3318: '<span class="LC_info">'.$text.'</span><hr />';
3319: }
3320:
3321: sub randomizetry_part_header {
3322: my ($problemstatus,$reqtries,$num) = @_;
3323: my ($header,$text);
3324: if ($reqtries eq 'none') {
3325: $header = &mt('No Question Variation');
3326: $text = &mt('For this question there will no new variation after a try.');
3327: } elsif ($reqtries > 1) {
3328: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3329: if (($problemstatus eq 'no') ||
3330: ($problemstatus eq 'no_feedback_ever')) {
3331: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3332: } else {
3333: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3334: }
3335: } else {
3336: $header = &mt('New Question Variation For Each Try');
3337: if (($problemstatus eq 'no') ||
3338: ($problemstatus eq 'no_feedback_ever')) {
3339: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3340: } else {
3341: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3342: }
3343: }
3344: my $output;
3345: if ($num > 1) {
3346: $output .= '<hr />';
3347: }
1.556 raeburn 3348: $output .= '<h4 class="LC_info">'.$header.'</h4>'.
1.479 raeburn 3349: '<span class="LC_info">'.$text.'</span><br /><br />';
3350: return $output;
3351: }
3352:
1.1 albertel 3353: 1;
3354: __END__
1.435 jms 3355:
3356: =pod
3357:
3358: =back
3359:
3360: =cut
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