Annotation of loncom/homework/structuretags.pm, revision 1.531
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.74 albertel 3: #
1.531 ! raeburn 4: # $Id: structuretags.pm,v 1.530 2015/02/23 10:40:01 droeschl 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 {
1.469 www 70: &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','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:
195: sub start_tex {
1.326 albertel 196: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.198 sakharuk 197: my $result='';
1.383 albertel 198: if ($target ne 'edit' && $target ne 'modified') {
199: my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style);
200: if ($target eq 'tex') {
1.434 foxr 201:
202: # If inside a table, occurrences of \\ must be removed;
203: # else the table blows up.
204:
205: if (&Apache::londefdef::is_inside_of($tagstack, "table")) {
206: $bodytext =~ s/\\\\//g;
207: }
1.432 foxr 208: return $bodytext.'{}';
1.383 albertel 209: }
210: } elsif ($target eq "edit" ) {
211: my $bodytext =
212: &Apache::lonxml::get_all_text_unbalanced("/tex",$parser);
213: my $result = &Apache::edit::tag_start($target,$token);
214: $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
215: return $result;
216: } elsif ( $target eq "modified" ) {
217: return $token->[4].&Apache::edit::modifiedfield("/tex",$parser);
1.159 albertel 218: }
1.198 sakharuk 219: return $result;;
1.10 albertel 220: }
221:
222: sub end_tex {
1.44 ng 223: return '';
1.9 albertel 224: }
225:
1.400 albertel 226: sub homework_js {
1.531 ! raeburn 227: my ($postsubmit,$timeout);
! 228: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
! 229: my $crstype;
! 230: if (&Apache::loncommon::course_type() eq 'Community') {
! 231: $crstype = 'community';
! 232: } else {
! 233: if ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) {
! 234: $crstype = 'official';
! 235: } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.textbook'}) {
! 236: $crstype = 'textbook';
! 237: } else {
! 238: $crstype = 'unofficial';
! 239: }
! 240: }
! 241: $postsubmit = $env{'course.'.$env{'request.course.id'}.'.internal.postsubmit'};
! 242: if ($postsubmit eq '') {
! 243: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
! 244: $postsubmit = $domdefs{'postsubmit'};
! 245: unless ($postsubmit eq 'off') {
! 246: $timeout = $domdefs{$crstype.'postsubtimeout'};
! 247: }
! 248: } elsif ($postsubmit eq '0') {
! 249: $postsubmit = 'off';
! 250: } elsif ($postsubmit eq '1') {
! 251: $postsubmit = 'on';
! 252: $timeout = $env{'course.'.$env{'request.course.id'}.'.internal.postsubtimeout'};
! 253: if ($timeout eq '') {
! 254: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
! 255: $timeout = $domdefs{$crstype.'postsubtimeout'};
! 256: }
! 257: }
! 258: if ($timeout eq '') {
! 259: $timeout = 60;
! 260: }
! 261: } else {
! 262: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'request.role.domain'});
! 263: $postsubmit = $domdefs{'postsubmit'};
! 264: unless ($postsubmit eq 'off') {
! 265: $timeout = 60;
! 266: }
! 267: }
! 268: my $jstimeout = 0;
! 269: if ($timeout) {
! 270: $jstimeout = 1000 * $timeout;
! 271: }
1.400 albertel 272: return &Apache::loncommon::resize_textarea_js().
1.527 golterma 273: &Apache::loncommon::colorfuleditor_js().
1.416 raeburn 274: &setmode_javascript().
1.531 ! raeburn 275: <<"JS";
1.400 albertel 276: <script type="text/javascript">
1.483 raeburn 277: // <![CDATA[
1.494 raeburn 278: function setSubmittedPart (part,prefix) {
279: if (typeof(prefix) == 'undefined') {
280: this.document.lonhomework.submitted.value="part_"+part;
281: } else {
282: for (var i=0;i<this.document.lonhomework.elements.length;i++) {
283: if (this.document.lonhomework.elements[i].name == prefix+'submitted') {
284: this.document.lonhomework.elements[i].value="part_"+part;
285: }
286: }
287: }
1.400 albertel 288: }
289:
290: function image_response_click (which, e) {
291: init_geometry();
292: if (!e) { e = window.event; } //IE
293: var input_element = document.lonhomework.elements[which];
1.401 albertel 294: var token_element = document.lonhomework.elements[which+'_token'];
1.400 albertel 295: var token = token_element.value;
1.401 albertel 296: var img_element = document.getElementById(which+'_imageresponse');
1.400 albertel 297: var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
298: var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
299: var click = x+':'+y;
300: input_element.value = click;
1.485 raeburn 301: img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
1.400 albertel 302: }
1.520 raeburn 303:
304: var submithandled = 0;
1.521 raeburn 305: var keypresshandled = 0;
1.531 ! raeburn 306: var postsubmit = '$postsubmit';
1.520 raeburn 307:
1.531 ! raeburn 308: \$(document).ready(function(){
! 309: if (postsubmit != 'off') {
! 310: \$(document).keypress(function(event){
1.521 raeburn 311: var keycode = (event.keyCode ? event.keyCode : event.which);
312: if ((keycode == '13') && (keypresshandled == 0)) {
1.531 ! raeburn 313: if ( \$( document.activeElement ).hasClass("LC_textline") ) {
1.521 raeburn 314: keypresshandled = 1;
1.531 ! raeburn 315: var idsArray = \$( document.activeElement ).attr("id").split(/HWVAL_/);
1.521 raeburn 316: if (idsArray.length) {
317: event.preventDefault();
318: var itemsArray = idsArray[1].split(/_/);
319: var buttonId = idsArray[0]+'submit_'+itemsArray[0];
1.531 ! raeburn 320: \$("#"+buttonId).trigger("click");
1.521 raeburn 321: }
322: }
323: }
324: });
325:
1.531 ! raeburn 326: \$(document).delegate('form :submit', 'click', function( event ) {
! 327: if ( \$( this ).hasClass( "LC_hwk_submit" ) ) {
1.520 raeburn 328: var buttonId = this.id;
1.531 ! raeburn 329: var timeout = $jstimeout;
1.520 raeburn 330: if (submithandled == 0) {
331: submithandled = 1;
1.531 ! raeburn 332: \$( "#msg_"+buttonId ).css({"display": "inline","background-color": "#87cefa",
1.521 raeburn 333: "color": "black","padding": "2px"}) ;
1.531 ! raeburn 334: if (( \$(this.form).id == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
1.522 raeburn 335: if (buttonId != "all_submit") {
1.531 ! raeburn 336: \$( ".LC_status_"+buttonId ).hide();
1.522 raeburn 337: if (( "#"+buttonId+"_pressed" ).length) {
1.531 ! raeburn 338: \$( "#"+buttonId+"_pressed" ).val( "1" );
1.522 raeburn 339: }
1.520 raeburn 340: }
1.522 raeburn 341: } else {
1.531 ! raeburn 342: \$( ".LC_status_"+buttonId ).hide();
1.520 raeburn 343: }
1.531 ! raeburn 344: \$(this.form).submit();
! 345: \$( ".LC_hwk_submit" ).prop( "disabled", true);
! 346: \$( ".LC_textline" ).prop( "readonly", "readonly");
1.520 raeburn 347: event.preventDefault();
1.531 ! raeburn 348:
! 349: if (timeout > 0) {
! 350: setTimeout(function(){
! 351: \$( "#msg_"+buttonId ).css({"display": "none"});
! 352: if (( \$(this.form).id == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
! 353: if (buttonId != "all_submit") {
! 354: if (( "#"+buttonId+"_pressed" ).length) {
! 355: \$( "#"+buttonId+"_pressed" ).val( "" );
! 356: }
! 357: }
! 358: }
! 359: \$( ".LC_hwk_submit" ).prop( "disabled", false);
! 360: \$( ".LC_textline" ).prop( "readonly", false);
! 361: submithandled = 0;
! 362: keypresshandled = 0;
! 363: }, timeout);
! 364: }
1.520 raeburn 365: return true;
366: }
367: }
368: });
1.531 ! raeburn 369: }
1.520 raeburn 370: });
371:
1.483 raeburn 372: // ]]>
1.400 albertel 373: </script>
374: JS
375: }
376:
1.416 raeburn 377: sub setmode_javascript {
378: return <<"ENDSCRIPT";
379: <script type="text/javascript">
1.485 raeburn 380: // <![CDATA[
1.416 raeburn 381: function setmode(form,probmode) {
382: form.problemmode.value = probmode;
383: form.submit();
384: }
1.485 raeburn 385: // ]]>
1.416 raeburn 386: </script>
387: ENDSCRIPT
388: }
389:
1.48 albertel 390: sub page_start {
1.345 albertel 391: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
392: $extra_head)=@_;
1.159 albertel 393: my %found;
1.207 albertel 394: foreach my $taginside (@$tagstack) {
1.159 albertel 395: foreach my $taglookedfor ('html','body','form') {
396: if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
397: }
398: }
399:
1.343 albertel 400: if ($target eq 'tex') {
401: return
402: &Apache::londefdef::start_html($target,$token,$tagstack,
403: $parstack,$parser,$safeeval);
404: }
405:
1.474 raeburn 406: $extra_head .= &homework_js().
407: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
408: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
409: my %textarea_args = (
410: dragmath => 'math',
411: );
412: $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
1.425 raeburn 413: }
1.478 raeburn 414: my $is_task = ($env{'request.uri'} =~ /\.task$/);
1.528 raeburn 415: my ($needs_upload,$partlist);
1.495 raeburn 416: my ($symb)= &Apache::lonnet::whichuser();
417: my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
1.478 raeburn 418: if ($is_task) {
1.495 raeburn 419: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
1.493 raeburn 420: } else {
421: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.uploadedfiletypes") ne '') {
1.495 raeburn 422: unless ($env{'request.state'} eq 'construct') {
423: my $navmap = Apache::lonnavmaps::navmap->new();
424: if (ref($navmap)) {
425: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 426: my $is_page;
427: if (ref($mapres)) {
428: $is_page = $mapres->is_page();
429: }
430: unless ($is_page) {
1.495 raeburn 431: $needs_upload = 1;
432: }
1.528 raeburn 433: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
434: my $res = $navmap->getBySymb($symb);
435: if (ref($res)) {
436: $partlist = $res->parts();
437: }
438: }
1.495 raeburn 439: }
440: }
1.493 raeburn 441: } else {
442: unless ($env{'request.state'} eq 'construct') {
443: my $navmap = Apache::lonnavmaps::navmap->new();
444: if (ref($navmap)) {
1.495 raeburn 445: my $mapres = $navmap->getResourceByUrl($map);
1.496 raeburn 446: my $is_page;
447: if (ref($mapres)) {
448: $is_page = $mapres->is_page();
449: }
1.528 raeburn 450: if ($is_page) {
451: if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
452: my $res = $navmap->getBySymb($symb);
453: if (ref($res)) {
454: $partlist = $res->parts();
455: }
456: }
457: } else {
1.495 raeburn 458: my $res = $navmap->getBySymb($symb);
459: if (ref($res)) {
1.528 raeburn 460: $partlist = $res->parts();
1.495 raeburn 461: if (ref($partlist) eq 'ARRAY') {
462: foreach my $part (@{$partlist}) {
463: my @types = $res->responseType($part);
464: my @ids = $res->responseIds($part);
465: for (my $i=0; $i < scalar(@ids); $i++) {
466: if ($types[$i] eq 'essay') {
467: my $partid = $part.'_'.$ids[$i];
468: if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
469: $needs_upload = 1;
470: last;
471: }
1.493 raeburn 472: }
473: }
474: }
1.495 raeburn 475: }
476: }
1.493 raeburn 477: }
478: }
479: }
480: }
1.495 raeburn 481: if ($needs_upload) {
482: $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
483: }
1.478 raeburn 484: }
1.425 raeburn 485:
1.344 albertel 486: my %body_args;
487: if (defined($found{'html'})) {
488: $body_args{'skip_phases'}{'head'}=1;
489: } else {
1.343 albertel 490:
1.345 albertel 491: $extra_head .= &Apache::lonhtmlcommon::spellheader();
1.343 albertel 492:
1.379 albertel 493: $extra_head .= &Apache::londefdef::generate_css_links();
494:
1.384 albertel 495: if ($env{'request.state'} eq 'construct') {
1.343 albertel 496: $extra_head.=&Apache::edit::js_change_detection().
497: "<script type=\"text/javascript\">\n".
498: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
499: &Apache::loncommon::browser_and_searcher_javascript().
500: "\n</script>\n";
1.525 raeburn 501: if ($target eq 'edit') {
502: $extra_head .= &Apache::edit::js_update_linknum();
503: }
1.343 albertel 504: }
1.159 albertel 505: }
1.343 albertel 506:
1.446 bisitz 507: my $pageheader = '';
1.344 albertel 508: if (defined($found{'body'})) {
509: $body_args{'skip_phases'}{'body'}=1;
510: } elsif (!defined($found{'body'})
511: && $env{'request.state'} eq 'construct') {
1.343 albertel 512: if ($target eq 'web' || $target eq 'edit') {
1.513 raeburn 513: # Breadcrumbs for Authoring Space
1.450 bisitz 514: &Apache::lonhtmlcommon::clear_breadcrumbs();
515: &Apache::lonhtmlcommon::add_breadcrumb({
1.513 raeburn 516: 'text' => 'Authoring Space',
1.497 raeburn 517: 'href' => &Apache::loncommon::authorspace($env{'request.uri'}),
1.450 bisitz 518: });
1.460 droeschl 519: # breadcrumbs (and tools) will be created
520: # in start_page->bodytag->innerregister
521:
1.450 bisitz 522: # FIXME Where are we?
523: # &Apache::lonhtmlcommon::add_breadcrumb({
524: # 'text' => 'Problem Editing', # 'Problem Testing'
525: # 'href' => '',
526: # });
1.460 droeschl 527: $pageheader =&Apache::loncommon::head_subbox(
1.446 bisitz 528: &Apache::loncommon::CSTR_pageheader());
1.297 albertel 529: }
1.272 albertel 530: } elsif (!defined($found{'body'})) {
1.343 albertel 531: my %add_entries;
1.159 albertel 532: my $background=&Apache::lonxml::get_param('background',$parstack,
533: $safeeval);
1.343 albertel 534: if ($background ne '' ) {
535: $add_entries{'background'} = $background;
536: }
1.344 albertel 537:
1.290 albertel 538: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
539: $safeeval);
1.446 bisitz 540: if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; }
1.344 albertel 541:
1.446 bisitz 542: $body_args{'bgcolor'} = $bgcolor;
543: # $body_args{'no_title'} = 1;
544: $body_args{'force_register'} = 1;
545: $body_args{'add_entries'} = \%add_entries;
1.466 droeschl 546: if ( $env{'request.state'} eq 'construct') {
1.446 bisitz 547: $body_args{'only_body'} = 1;
1.518 raeburn 548: } elsif ($target eq 'web') {
549: $body_args{'print_suppress'} = 1;
1.446 bisitz 550: }
1.344 albertel 551: }
1.365 albertel 552: $body_args{'no_auto_mt_title'} = 1;
1.344 albertel 553: my $page_start = &Apache::loncommon::start_page($name,$extra_head,
554: \%body_args);
1.446 bisitz 555: $page_start .= $pageheader;
1.462 raeburn 556: if (!defined($found{'body'})
557: && $env{'request.state'} ne 'construct'
558: && ($target eq 'web' || $target eq 'webgrade')) {
559:
560: my ($symb,undef,undef,undef,$publicuser)= &Apache::lonnet::whichuser();
561: if ($symb eq '' && !$publicuser) {
562: $page_start .= '<p class="LC_info">'
563: .&mt('Browsing resource, all submissions are temporary.')
564: .'</p>';
1.457 bisitz 565: }
1.344 albertel 566: }
567:
1.409 albertel 568: if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
1.343 albertel 569: $page_start .= &Apache::lonxml::message_location();
1.159 albertel 570: }
571: my $form_tag_start;
572: if (!defined($found{'form'})) {
1.337 albertel 573: $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="post" action="';
1.465 raeburn 574: my $uri = &Apache::loncommon::inhibit_menu_check(
1.455 droeschl 575: &Apache::lonenc::check_encrypt($env{'request.uri'}));
1.464 raeburn 576: $uri = &HTML::Entities::encode($uri,'<>&"');
1.327 albertel 577: $form_tag_start.=$uri.'" ';
578: if ($target eq 'edit') {
579: $form_tag_start.=&Apache::edit::form_change_detection();
580: }
1.493 raeburn 581: my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
582: my ($path,$multiresp) =
583: &Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom);
1.495 raeburn 584: if (($is_task) || ($needs_upload)) {
585: $form_tag_start .= ' onsubmit="return file_submission_check(this,'."'$path','$multiresp'".');"';
1.478 raeburn 586: }
1.368 albertel 587: $form_tag_start.='>'."\n";
1.355 albertel 588:
589: if ($symb =~ /\S/) {
590: $symb=
591: &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb));
592: $form_tag_start.=
1.368 albertel 593: "\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
1.355 albertel 594: }
1.159 albertel 595: }
1.528 raeburn 596: return ($page_start,$form_tag_start,$partlist);
1.105 albertel 597: }
598:
1.141 matthew 599: #use Time::HiRes();
1.105 albertel 600: sub get_resource_name {
1.159 albertel 601: my ($parstack,$safeeval)=@_;
1.388 foxr 602: my $name;
1.204 albertel 603: if (defined($Apache::lonhomework::name)) {
1.388 foxr 604: $name = $Apache::lonhomework::name;
605: } else {
606: my ($symb)=&Apache::lonnet::whichuser();
1.392 albertel 607: $name=&Apache::lonnet::gettitle($symb);
1.388 foxr 608: if ($name eq '') {
609: $name=&Apache::lonnet::EXT('resource.title');
610: if ($name eq 'con_lost') { $name = ''; }
611: }
612: if ($name!~/\S+/) {
613: $name=$env{'request.uri'};
614: $name=~s-.*/([^/]+)$-$1-;
615: }
616: # The name has had html tags escaped:
617:
618: $name=~s/</</gs;
619: $name=~s/>/>/gs;
620:
621: $Apache::lonhomework::name=$name;
1.204 albertel 622: }
1.159 albertel 623: return $name;
1.105 albertel 624: }
625:
626: sub setup_rndseed {
1.528 raeburn 627: my ($safeeval,$target,$probpartlist)=@_;
1.367 albertel 628: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 629: my ($questiontype,$set_safespace,$rndseed);
630: if ($target eq 'analyze') {
631: $questiontype = $env{'form.grade_questiontype'};
632: }
633: unless (defined($questiontype)) {
634: $questiontype = $Apache::lonhomework::type;
635: }
1.333 albertel 636: if ($env{'request.state'} eq "construct"
637: || $symb eq ''
638: || $Apache::lonhomework::type eq 'practice'
639: || $Apache::lonhomework::history{'resource.CODE'}) {
1.316 www 640: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.317 albertel 641: ['rndseed']);
1.284 albertel 642: $rndseed=$env{'form.rndseed'};
1.159 albertel 643: if (!$rndseed) {
1.162 albertel 644: $rndseed=$Apache::lonhomework::history{'rndseed'};
645: if (!$rndseed) {
646: $rndseed=time;
647: }
1.284 albertel 648: $env{'form.rndseed'}=$rndseed;
1.162 albertel 649: }
1.479 raeburn 650: if (($env{'request.state'} eq "construct") &&
651: ($Apache::lonhomework::type eq 'randomizetry')) {
652: my $tries = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.tries"};
653: if ($tries) {
654: $rndseed += $tries;
655: }
1.480 raeburn 656: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.479 raeburn 657: }
1.374 albertel 658: if ( ($env{'form.resetdata'} eq &mt('New Problem Variation')
659: && $env{'form.submitted'} eq 'yes') ||
1.284 albertel 660: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1.190 albertel 661: srand(time);
662: $rndseed=int(rand(2100000000));
1.284 albertel 663: $env{'form.rndseed'}=$rndseed;
664: delete($env{'form.resetdata'});
665: delete($env{'form.newrandomization'});
1.159 albertel 666: }
1.488 www 667: $rndseed=~s/\,/\:/g;
668: $rndseed=~s/[^\w\d\:\-]//g;
1.489 www 669: if (defined($rndseed)) {
670: my ($c1,$c2)=split(/\:/,$rndseed);
671: unless ($c2) { $c2=0; }
672: unless (($c1==int($c1)) && ($c2==int($c2))) {
673: $rndseed=join(':',&Apache::lonnet::digest($rndseed));
674: }
1.187 albertel 675: }
1.247 albertel 676: if ($Apache::lonhomework::history{'resource.CODE'}) {
677: $rndseed=&Apache::lonnet::rndseed();
678: }
1.479 raeburn 679: $set_safespace = 1;
680: } elsif ($questiontype eq 'randomizetry') {
681: if ($target eq 'analyze') {
682: if (defined($env{'form.grade_rndseed'})) {
683: $rndseed = $env{'form.grade_rndseed'};
684: }
685: }
686: unless (($target eq 'analyze') && (defined($rndseed))) {
687: $rndseed=&Apache::lonnet::rndseed();
1.528 raeburn 688: my $partfortries = $Apache::inputtags::part;
689: if (ref($probpartlist) eq 'ARRAY') {
690: if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $Apache::inputtags::part)) {
691: $partfortries = $probpartlist->[0];
692: }
693: }
694: my $curr_try = $Apache::lonhomework::history{"resource.$partfortries.tries"};
1.479 raeburn 695: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
696: $curr_try ++;
697: }
698: if ($rndseed =~/^(\d+)[,:](\d+)$/) {
699: $rndseed = $1;
700: }
701: if ($curr_try) {
1.528 raeburn 702: my $reqtries = &Apache::lonnet::EXT("resource.$partfortries.randomizeontries");
1.479 raeburn 703: if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
704: my $inc = int(($curr_try-1)/$reqtries);
705: $rndseed += $inc;
706: } else {
707: $rndseed += $curr_try;
708: }
709: }
710: }
711: $set_safespace = 1;
1.528 raeburn 712: if ($target eq 'grade') {
713: $Apache::lonhomework::rawrndseed = $rndseed;
714: }
1.479 raeburn 715: }
716: if ($set_safespace) {
717: if ($safeeval) {
718: &Apache::lonxml::debug("Setting rndseed to $rndseed");
719: &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
720: }
721: }
722: unless (($env{'request.state'} eq "construct") || ($symb eq '')) {
723: $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
1.159 albertel 724: }
725: return $rndseed;
1.105 albertel 726: }
727:
1.268 albertel 728: sub remember_problem_state {
729: return '
1.284 albertel 730: <input type="hidden" name="problemstate" value="'.$env{'form.problemstate'}.'" />
731: <input type="hidden" name="problemtype" value="'.$env{'form.problemtype'}.'" />
732: <input type="hidden" name="problemstatus" value="'.$env{'form.problemstatus'}.'" />';
1.268 albertel 733: }
734:
1.487 www 735: sub problem_edit_action_button {
736: my ($name,$action,$accesskey,$text,$flag)=@_;
737: my $actionscript="setmode(this.form,'$action')";
738: return "\n<input type='button' name='$name' accesskey='$accesskey' value='".&mt($text)."'".
739: ($flag?&Apache::edit::submit_ask_anyway($actionscript):&Apache::edit::submit_dont_ask($actionscript))." />";
740: }
741:
1.423 www 742: sub problem_edit_buttons {
1.487 www 743: my ($mode)=@_;
744: # Buttons that do not save
745: my $result='<div class="LC_edit_problem_discards">'.
746: &problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
747: if ($mode eq 'editxml') {
748: $result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
749: $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
750: $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
751: } else {
752: $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
753: $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
754: }
755: $result.="\n</div>";
756: # Buttons that save
757: $result.='<div class="LC_edit_problem_saves">';
758: if ($mode eq 'editxml') {
759: $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
760: $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
761: } else {
762: $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
763: $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
764: }
765: $result.="\n</div>\n";
766: return $result;
1.423 www 767: }
768:
1.527 golterma 769: sub insert_menu_datastructure {
770:
771: my $template_menu = &template_dropdown_datastructure();
772: my $responseblock_menu = &responseblock_dropdown_datastructure();
773: my $conditional_scripting = &conditional_scripting_datastructure();
774: my $misc = &misc_datastructure();
775:
776: my @menu = ($template_menu, $responseblock_menu, $conditional_scripting, $misc);
777: return \@menu;
778:
779: }
780:
781: sub template_dropdown_datastructure {
782: # gathering the all templates and their path, title, category and help topic
783: my @templates = &Apache::lonhomework::get_template_list('problem');
784: # template category => title
785: my %tmplthash = ();
786: # template title => path
787: my %tmpltcontent = ();
788:
789: foreach my $template (@templates){
790: # put in hash if the template is not empty
791: unless ($template->[1] eq ''){
792: push(@{$tmplthash{$template->[2]}}, $template->[1]);
793: push(@{$tmpltcontent{$template->[1]}},$template->[0]);
794: }
795: }
796:
797: my $catList = [];
798: foreach my $cat (sort keys %tmplthash) {
799: my $catItems = [];
800: foreach my $title (sort @{$tmplthash{$cat}}) {
801: my $path = $tmpltcontent{$title}->[0];
802: my $code;
803: open(FH, "<$path");
804: while(<FH>){
805: $code.= $_ unless $_ =~ /(<problem>)|(<\/problem>)/;
806: }
807: close(FH);
808:
809: if ($code ne '') {
810: my $href = 'javascript:insertText(\'' . &convert_for_js(&HTML::Entities::encode($code)) . '\')';
811: my $currItem = [$href, $title, undef];
812: push @{$catItems}, $currItem;
813: }
814: }
815: push @{$catList}, [$catItems, $cat, undef];
816: }
817:
818: my $templDropdown = [$catList, &mt("Complete Problem Templates"), undef];
819: return $templDropdown;
820: }
821:
822: sub responseblock_dropdown_datastructure {
823:
824: my $mathCat = [
825: [
826: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_formularesponse())) . "\')", &mt("Formula Response"), undef],
827: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_functionplotresponse())) . "\')", &mt("Function Plot Response"), undef],
828: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_mathresponse())) . "\')", &mt("Math Response"), undef],
829: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_numericalresponse())) . "\')", &mt("Numerical Response"), undef]
830: ],
831: &mt("Math"),
832: undef
833: ];
834:
835: my $miscCat = [
836: [
837: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_imageresponse())) . "\')", &mt("Click on Image"), undef],
838: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_customresponse())) . "\')", &mt("Custom Response"), undef],
839: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_externalresponse())) . "\')", &mt("External Response"), undef],
840: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_matchresponse())) . "\')", &mt("Match Response"), undef],
841: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_radiobuttonresponse())) . "\')", &mt("One out of N Statement"), undef],
842: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_optionresponse())) . "\')", &mt("Optionresponse"), undef],
843: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_rankresponse())) . "\')", &mt("Rank Values"), undef]
844: ],
845: &mt("Misc"),
846: undef
847: ];
848:
849: my $chemCat = [
850: [
851: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_reactionresponse())) . "\')", &mt("Chemical Reaction"), undef],
852: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_organicresponse())) . "\')", &mt("Organic Structure"), undef]
853: ],
854: &mt("Chemical"),
855: undef
856: ];
857:
858: my $textCat = [
859: [
860: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_stringresponse())) . "\')", &mt("String Response"), undef],
861: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_essayresponse())) . "\')", &mt("Essay"), undef]
862: ],
863: &mt("Text"),
864: undef
865: ];
866:
867: my $cats = [[$mathCat, $miscCat, $chemCat, $textCat], &mt("Response Types"), undef];
868: return $cats;
869: }
870:
871:
872: sub conditional_scripting_datastructure {
873: # TODO: corresponding routines should be used for the javascript:insertText parts
874: # instead of the placeholder routine default_xml_tag with the tags
875: # e.g. &default_xml_tag("postanswerdate") should be replaced with a routine which
876: # returns the corresponding content for this case
877:
878: #TODO translated is currently temporarily here, another solution should be found where the
879: # needed string can be retrieved
880:
881: my $translatedTag = '
882: <translated>
883: <lang which="en"></lang>
884: <lang which="default"></lang>
885: </translated>';
886:
887: my $cat = [
888: [
889: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode($translatedTag)) . "\')", &mt("Translated Tag"), undef],
890: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("block"))) . "\')", &mt("Conditional Block"), undef],
891: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("postanswerdate"))) . "\')", &mt("After Answer Block"), undef],
892: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("preduedate"))) . "\')", &mt("Before Due Date Block"), undef],
893: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("solved"))) . "\')", &mt("Block For After Solved"), undef],
894: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("notsolved"))) . "\')", &mt("Block For When Not Solved"), undef]
895: ],
896: &mt("Contitional Scripting"),
897: undef
898: ];
899:
900: return $cat;
901: }
902:
903: sub misc_datastructure {
904:
905: my $graphicalCat = [
906: [
907: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_img())) . "\')", &mt("Image"), undef],
908: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::lonplot::insert_gnuplot())) . "\')", &mt("GNU Plot"), undef],
909: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_organicstructure())) . "\')", &mt("Organic Structure"), undef]
910: ],
911: "Graphical",
912: undef
913: ];
914:
915: my $advancedCat = [
916: [
917: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_script())) . "\')", &mt("Script Block"), undef],
918: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("allow"))) . "\')", &mt("File Dependencies"), undef],
919: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("import"))) . "\')", &mt("Import a File"), undef],
920: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::londefdef::insert_meta())) . "\')", &mt("Custom Metadata"), undef]
921: ],
922: "advanced",
923: undef
924: ];
925:
926: my $cats = [[$graphicalCat, $advancedCat], &mt("misc"), undef];
927: return $cats;
928: }
929:
930: # helper routine for the datastructure building subroutines
931: sub default_xml_tag {
932: my ($tag) = @_;
933: return "\n<$tag></$tag>";
934: }
935:
936:
937: sub helpmenu_datastructure {
938:
939: my $width = 500;
940: my $height = 600;
941:
942: my $helpers = [
943: ['Problem_LON-CAPA_Functions', &mt('Script Functions')],
944: ['Greek_Symbols', &mt('Greek Symbols')],
945: ['Other_Symbols', &mt('Other Symbols')],
946: ['Authoring_Output_Tags', &mt('Output Tags')],
947: ['Authoring_Multilingual_Problems',
948: &mt('How to create problems in different languages')]
949: ];
950:
951: my $help_structure = [];
952:
953: foreach my $count (0..(scalar(@{$helpers})-1)) {
954: my $filename = $helpers->[$count]->[0];
955: my $title = $helpers->[$count]->[1];
956: my $href = &HTML::Entities::encode("javascript:openMyModal('/adm/help/$filename.hlp',$width,$height,'yes');");
957: push @{$help_structure}, [$href, $title, undef];
958: }
959:
960: return $help_structure;
961: }
962:
963: # we need substitution to not break javascript code
964: sub convert_for_js {
965: my $return = shift;
966: $return =~ s|script|ESCAPEDSCRIPT|g;
1.530 droeschl 967: $return =~ s|\\|\\\\|g;
1.527 golterma 968: $return =~ s|\n|\\r\\n|g;
969: $return =~ s|'|\\'|g;
970: $return =~ s|'|\\'|g;
971: return $return;
972: }
973:
1.423 www 974: sub problem_edit_header {
1.527 golterma 975: my ($mode)=@_;
976: my $return = '<input type="hidden" name="submitted" value="edit" />'.
1.487 www 977: &remember_problem_state('edit').'
1.527 golterma 978: <div class="LC_edit_problem_header">
979: <div class="LC_edit_problem_header_title">
980: '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
981: </div><div class="LC_edit_actionbar" id="actionbar">'.
982: '<input type="hidden" name="problemmode" value="saveedit" />'.
983: &problem_edit_buttons();
984:
985: $return.='<hr style="clear:both;visibility:hidden;" />
986: </div></div>'
987: .&Apache::lonxml::message_location();
988: $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />
989: <script type="text/javascript" src="/adm/codemirror/codemirror-compressed-colorful.js"></script>';
990:
991: $return .= '<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
992: <script type="text/javascript">
993: // unless internet explorer
994: if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode || document.compatMode))){
995: $(document).ready(
996: function() {
997: $(\'.LC_edit_actionbar\').scrollToFixed(
998: {
999: fixed: function(){
1000: $(this).find(\'.LC_edit_actionbar\').css(\'height\', \'31px\');
1001: }
1002: }
1003: );
1004: }
1005: );
1006: }
1007: </script>
1008: <table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
1009: return $return;
1.105 albertel 1010: }
1011:
1012: sub problem_edit_footer {
1.527 golterma 1013: my $resource = $env{'request.ambiguous'};
1.412 albertel 1014: return '</td></tr></table><br />
1015: <div class="LC_edit_problem_footer">
1.453 bisitz 1016: <hr />'.
1.423 www 1017: &problem_edit_buttons().'
1.459 bisitz 1018: <hr style="clear:both;" />
1.527 golterma 1019: <script type="text/javascript">
1020: restoreState("'.$resource.'");
1021: restoreScrollPosition("'.$resource.'");
1022: </script>
1.412 albertel 1023: </div>
1024: '.
1.342 albertel 1025: "\n</form>\n".&Apache::loncommon::end_page();
1.105 albertel 1026: }
1027:
1.235 albertel 1028: sub option {
1029: my ($value,$name) = @_;
1030: my $result ="<option value='".$value."' ";
1.284 albertel 1031: if ($env{'form.'.$name} eq $value) {
1.235 albertel 1032: $result.=" selected='on' ";
1033: }
1034: $result.='>';
1035: return $result;
1036: }
1037:
1.105 albertel 1038: sub problem_web_to_edit_header {
1.159 albertel 1039: my ($rndseed)=@_;
1.406 albertel 1040: my $result .= '<div class="LC_edit_problem_header">';
1041:
1042: if (!$Apache::lonhomework::parsing_a_task) {
1043: $result .=
1044: '<div class="LC_edit_problem_header_title">'.
1045: &mt('Problem Testing').
1046: &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area').
1047: '</div>';
1048: } else {
1049: $result .=
1050: '<div class="LC_edit_problem_header_title">'.
1051: &mt('Task Testing').
1052: '</div>';
1053: }
1054:
1.315 albertel 1055: my $show_all_foils_text =
1056: ($Apache::lonhomework::parsing_a_task) ?
1.452 bisitz 1057: &mt('Show All Instances')
1058: : &mt('Show All Foils');
1.315 albertel 1059:
1.452 bisitz 1060: my $show_all= '<span class="LC_nobreak"><label for="showallfoils">'
1061: .'<input type="checkbox" name="showallfoils"';
1.440 bisitz 1062: if (defined($env{'form.showallfoils'})) { $show_all.=' checked="checked"'; }
1.452 bisitz 1063: $show_all.= ' /> '.$show_all_foils_text
1064: .'</label></span>';
1.406 albertel 1065:
1066:
1.384 albertel 1067:
1.406 albertel 1068: $result .= '<div class="LC_edit_problem_header_status_row">';
1.313 albertel 1069: if (!$Apache::lonhomework::parsing_a_task) {
1070: $result.="
1.406 albertel 1071: <div class='LC_edit_problem_header_row1'>
1072: <span class=\"LC_nobreak\">
1.405 albertel 1073: ".&mt("Problem Status:")."
1.235 albertel 1074: <select name='problemstate'>
1.270 albertel 1075: <option value=''></option>
1.235 albertel 1076: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
1077: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
1078: ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
1079: ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
1080: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
1081: </select>
1.406 albertel 1082: </span>
1083: <span class=\"LC_nobreak\">
1.405 albertel 1084: ".&mt("Problem Type:")."
1.235 albertel 1085: <select name='problemtype'>
1.270 albertel 1086: <option value=''></option>
1.509 bisitz 1087: ".&option('exam' ,'problemtype').&mt("Bubblesheet Exam Problem")."</option>
1.428 raeburn 1088: ".&option('problem','problemtype').&mt("Homework Problem")."</option>
1.242 albertel 1089: ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
1.465 raeburn 1090: ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
1091: ".&option('anonsurvey' ,'problemtype').&mt("Anonymous Survey Question")."</option>
1092: ".&option('anonsurveycred' ,'problemtype').&mt("Anonymous Survey Question (with credit)")."</option>
1.428 raeburn 1093: ".&option('practice' ,'problemtype').&mt("Practice Problem")."</option>
1.479 raeburn 1094: ".&option('randomizetry' ,'problemtype').&mt("New Randomization Each Try")."</option>
1.235 albertel 1095: </select>
1.406 albertel 1096: </span>
1097: $show_all
1098: </div>
1099: <div class='LC_edit_problem_header_row2'>
1100: <span class=\"LC_nobreak\">
1.405 albertel 1101: ".&mt("Feedback Mode:")."
1.235 albertel 1102: <select name='problemstatus'>
1103: <option value=''></option>
1.242 albertel 1104: ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
1.517 bisitz 1105: ".&option('no', 'problemstatus').&mt("Don't Show Incorrect/Correct Feedback")."</option>
1.405 albertel 1106: ".&option('no_feedback_ever', 'problemstatus').&mt("Don't Show Any Feedback")."</option>
1.235 albertel 1107: </select>
1.406 albertel 1108: </span>
1109: ";
1110:
1.376 albertel 1111: } elsif ($Apache::lonhomework::parsing_a_task) {
1112: $result.="
1.406 albertel 1113: <div class='LC_edit_problem_header_row1'>
1114: <span class=\"LC_nobreak\">
1.405 albertel 1115: ".&mt("Problem Status:")."
1.376 albertel 1116: <select name='problemstate'>
1117: <option value=''></option>
1118: ".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
1119: ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
1120: ".&option('WEB_GRADE' ,'problemstate').&mt("Criteria Grading")."</option>
1121: ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Feedback")."</option>
1122: </select>
1.406 albertel 1123: </span>
1124: $show_all
1125: ";
1126: }
1127: $result.='
1128: <span class="LC_nobreak">
1129: '.&mt('Apply style file: ').'
1130: <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
1131: <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
1132: </span>
1.422 www 1133: </div>
1134: <div class="LC_edit_problem_header_row1">'.
1135: &Apache::lonxml::renderingoptions().'
1.406 albertel 1136: </div>
1137: <input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
1138: <input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
1139: <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
1140: </div>
1.453 bisitz 1141: <hr />
1.406 albertel 1142: <div class="LC_edit_problem_header_randomize_row">
1143: <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
1144: <input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
1.488 www 1145: <input type="text" name="rndseed" size="24" value="'.
1.406 albertel 1146: $rndseed.'"
1147: onchange="javascript:document.lonhomework.changerandseed.click()" />';
1148:
1149: if (!$Apache::lonhomework::parsing_a_task) {
1150: my $numtoanalyze=$env{'form.numtoanalyze'};
1151: if (!$numtoanalyze) { $numtoanalyze=20; }
1.408 albertel 1152: $result .= '<span class="LC_nobreak">'.
1153: &mt('[_1] for [_2] versions.',
1.416 raeburn 1154: '<input type="button" name="submitmode" value="'.&mt('Calculate answers').'" '.
1.419 bisitz 1155: 'onclick="javascript:setmode(this.form,'."'calcanswers'".')" />'
1156: ,'<input type="text" name="numtoanalyze" value="'.
1.408 albertel 1157: $numtoanalyze.'" size="5" />').
1158: &Apache::loncommon::help_open_topic("Analyze_Problem",'',undef,undef,300).
1159: '</span>';
1160:
1.313 albertel 1161: }
1.406 albertel 1162:
1163: $result.='
1164: </div>
1.453 bisitz 1165: <hr />
1.447 bisitz 1166: <div>';
1.416 raeburn 1167: $result.='<input type="hidden" name="problemmode" value="view" />';
1168: $result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
1169: 'onclick="javascript:setmode(this.form,'."'edit'".')" />';
1170: $result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
1171: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
1.408 albertel 1172: $result.='
1173: </div>
1.453 bisitz 1174: <hr />
1.409 albertel 1175: '.&Apache::lonxml::message_location().'
1.406 albertel 1176: </div>';
1.159 albertel 1177: return $result;
1.48 albertel 1178: }
1179:
1.65 albertel 1180: sub initialize_storage {
1.357 albertel 1181: my ($given_symb) = @_;
1.353 albertel 1182: undef(%Apache::lonhomework::results);
1183: undef(%Apache::lonhomework::history);
1.357 albertel 1184: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1185: &Apache::lonnet::whichuser($given_symb);
1.353 albertel 1186:
1187: # anonymous users (CODEd exams) have no data
1188: if ($name eq 'anonymous'
1189: && !defined($domain)) {
1190: return;
1191: }
1192:
1.333 albertel 1193: if ($env{'request.state'} eq 'construct'
1194: || $symb eq ''
1195: || $Apache::lonhomework::type eq 'practice') {
1196:
1197: my $namespace = $symb || $env{'request.uri'};
1198: if ($env{'form.resetdata'} eq &mt('Reset Submissions') ||
1.374 albertel 1199: ($env{'form.resetdata'} eq &mt('New Problem Variation')
1200: && $env{'form.submitted'} eq 'yes') ||
1.333 albertel 1201: $env{'form.newrandomization'} eq &mt('New Randomization')) {
1202: &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
1203: &Apache::lonxml::debug("Attempt reset");
1204: }
1.159 albertel 1205: %Apache::lonhomework::history=
1.333 albertel 1206: &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
1.526 raeburn 1207: my ($temp)=keys(%Apache::lonhomework::history) ;
1.159 albertel 1208: &Apache::lonxml::debug("Return message of $temp");
1209: } else {
1210: %Apache::lonhomework::history=
1211: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1212: }
1.353 albertel 1213:
1.159 albertel 1214: #ignore error conditions
1.526 raeburn 1215: my ($temp)=keys(%Apache::lonhomework::history);
1.159 albertel 1216: if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
1.65 albertel 1217: }
1218:
1.435 jms 1219: =pod
1220:
1221: =item finalize_storage()
1222:
1.524 raeburn 1223: Stores away the result hash to a student's environment;
1.523 raeburn 1224: checks form.grade_ for specific values, otherwise stores
1225: to the running user's environment.
1.524 raeburn 1226:
1227: &check_correctness_changes() is called in two circumstances
1228: in which the results hash is to be stored permanently, for
1229: grading triggered by a student's submission, where feedback on
1230: correctness is to be provided to the student.
1231:
1232: 1. Immediately prior to storing the results hash
1233:
1234: To handle the case where a student's submission (and award) were
1235: stored after history was retrieved in &initialize_storage(), e.g.,
1236: if a student submitted answers in quick succession (e.g., from
1237: multiple tabs). &Apache::inputtags::hidealldata() is called for
1238: any parts with out-of-order storage (i.e., correct then incorrect,
1239: where awarded >= 1 when correct).
1240:
1241: 2. Immediately after storing the results hash
1242:
1243: To handle the case where lond on the student's homeserver returns
1244: delay:N -- where N is the number of transactions between the last
1245: retrieved in &initialize_storage() and the last stored immediately
1246: before permanent storage of the current transaction via
1247: lond::store_handler(). &Apache::grades::makehidden() is called
1248: for any parts with out-of-order storage (i.e., correct then incorrect,
1249: where awarded >= 1 when correct).
1250:
1251: Will call &store_aggregates() to increment totals for attempts,
1252: students, and corrects, if running user has student role.
1253:
1.435 jms 1254: =cut
1255:
1256:
1.65 albertel 1257: sub finalize_storage {
1.357 albertel 1258: my ($given_symb) = @_;
1.159 albertel 1259: my $result;
1.289 albertel 1260: if (%Apache::lonhomework::results) {
1.323 albertel 1261: my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
1262: delete(@Apache::lonhomework::results{@remove});
1.357 albertel 1263: my ($symb,$courseid,$domain,$name) =
1.367 albertel 1264: &Apache::lonnet::whichuser($given_symb);
1.333 albertel 1265: if ($env{'request.state'} eq 'construct'
1266: || $symb eq ''
1267: || $Apache::lonhomework::type eq 'practice') {
1268: my $namespace = $symb || $env{'request.uri'};
1.284 albertel 1269: $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
1.159 albertel 1270: $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
1.333 albertel 1271: $namespace,'',$domain,$name);
1.159 albertel 1272: &Apache::lonxml::debug('Construct Store return message:'.$result);
1273: } else {
1.524 raeburn 1274: my ($laststore,$checkedparts,@parts,%postcorrect);
1275: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1276: (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
1277: (!defined($env{'form.grade_courseid'}))) {
1278: if ($Apache::lonhomework::history{'version'}) {
1279: $laststore = $Apache::lonhomework::history{'version'}.'='.
1280: $Apache::lonhomework::history{'timestamp'};
1281: } else {
1282: $laststore = '0=0';
1283: }
1284: my %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1285: if ($record{'version'}) {
1286: my ($newversion,$oldversion,$oldtimestamp);
1287: if ($Apache::lonhomework::history{'version'}) {
1288: $oldversion = $Apache::lonhomework::history{'version'};
1289: $oldtimestamp = $Apache::lonhomework::history{'timestamp'};
1290: } else {
1291: $oldversion = 0;
1292: $oldtimestamp = 0;
1293: }
1294: if ($record{'version'} > $oldversion) {
1295: if ($record{'timestamp'} >= $oldtimestamp) {
1296: $laststore = $record{'version'}.'='.$record{'timestamp'};
1297: $newversion = $record{'version'} + 1;
1298: $checkedparts = 1;
1299: foreach my $key (keys(%Apache::lonhomework::results)) {
1300: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1301: my $part = $1;
1302: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1303: push(@parts,$part);
1304: }
1305: }
1306: }
1307: if (@parts) {
1308: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1309: \%record,\@parts,$newversion,
1310: $oldversion);
1311: if (@parts_to_hide) {
1312: foreach my $part (@parts_to_hide) {
1313: $postcorrect{$part} = 1;
1314: &Apache::inputtags::hidealldata($part);
1315: }
1316: }
1317: }
1318: }
1319: }
1320: }
1321: }
1.159 albertel 1322: $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
1.524 raeburn 1323: $symb,$courseid,$domain,$name,$laststore);
1324: if ($result =~ /^delay\:(\d+)$/) {
1325: my $numtrans = $1;
1326: my ($oldversion) = split(/=/,$laststore);
1327: if ($numtrans) {
1328: my $newversion = $oldversion + 1 + $numtrans;
1329: my @possparts;
1330: if ($checkedparts) {
1331: foreach my $part (@parts) {
1332: unless ($postcorrect{$part}) {
1333: push(@possparts,$part);
1334: }
1335: }
1336: } else {
1337: foreach my $key (keys(%Apache::lonhomework::results)) {
1338: if ($key =~ /^resource\.([^\.]+)\.solved$/) {
1339: my $part = $1;
1340: unless ($postcorrect{$part}) {
1341: if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') {
1342: push(@possparts,$part);
1343: }
1344: }
1345: }
1346: }
1347: }
1348: if (@possparts) {
1349: my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
1350: my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name,
1351: \%newrecord,\@possparts,$newversion,
1352: $oldversion);
1353: if (@parts_to_hide) {
1354: my $partslist = join(',',@parts_to_hide);
1355: &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1);
1356: }
1357: }
1358: }
1359: }
1.159 albertel 1360: &Apache::lonxml::debug('Store return message:'.$result);
1.470 raeburn 1361: &store_aggregates($symb,$courseid);
1.159 albertel 1362: }
1.323 albertel 1363: } else {
1364: &Apache::lonxml::debug('Nothing to store');
1.67 albertel 1365: }
1.159 albertel 1366: return $result;
1.65 albertel 1367: }
1368:
1.435 jms 1369: =pod
1370:
1.524 raeburn 1371: =item check_correctness_changes()
1372:
1373: For all parts for which current results contain a solved status
1374: of "incorrect_attempted", check if there was a transaction in which
1375: solved was set to "correct_by_student" in the time since the last
1376: transaction (retrieved when &initialize_storage() was called i.e.,
1377: when &start_problem() was called), unless:
1378: (a) questiontype parameter is set to survey or anonymous survey (+/- credit)
1379: (b) problemstatus is set to no or no_feedback_ever
1380: If such a transaction exists, and did not occur after "reset status"
1381: by a user with grading privileges, then the current transaction is an
1382: example of an out-of-order transaction (i.e., incorrect occurring after
1383: correct). Accordingly, the current transaction should be hidden.
1384:
1385: =cut
1386:
1387:
1388: sub check_correctness_changes {
1389: my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_;
1390: my @parts_to_hide;
1391: unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
1392: return @parts_to_hide;
1393: }
1394: if (@{$parts}) {
1395: my $usec;
1396: if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
1397: ($env{'request.course.id'} eq $courseid)) {
1398: $usec = $env{'request.course.sec'};
1399: } else {
1400: $usec = &Apache::lonnet::getsection($domain,$name,$courseid);
1401: }
1402: foreach my $id (@{$parts}) {
1403: next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) ||
1404: (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
1405: $domain,$name,$usec,undef,$courseid) =~ /^no/));
1406: my $reset;
1407: for (my $i=$newversion-1; $i>=$oldversion; $i--) {
1408: if (($record->{$i.':resource.'.$id.'.regrader'}) &&
1409: ($record->{$i.':resource.'.$id.'.tries'} eq '') &&
1410: ($record->{$i.':resource.'.$id.'.award'} eq '')) {
1411: $reset = 1;
1412: } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') &&
1413: ($record->{$i.":resource.$id.awarded"} >= 1)) {
1414: unless ($reset) {
1415: push(@parts_to_hide,$id);
1416: last;
1417: }
1418: }
1419: }
1420: }
1421: }
1422: return @parts_to_hide;
1423: }
1424:
1425: =pod
1426:
1.435 jms 1427: item store_aggregates()
1428:
1429: Sends hash of values to be incremented in nohist_resourcetracker.db
1430: for the course. Increments total number of attempts, unique students
1431: and corrects for each part for an instance of a problem, as appropriate.
1432:
1433: =cut
1434:
1.285 raeburn 1435: sub store_aggregates {
1436: my ($symb,$courseid) = @_;
1.479 raeburn 1437: my (%aggregate,%anoncounter,%randtrycounter);
1.286 albertel 1438: my @parts;
1.288 albertel 1439: my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
1440: my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
1.286 albertel 1441: foreach my $key (keys(%Apache::lonhomework::results)) {
1.287 albertel 1442: if ($key =~ /resource\.([^\.]+)\.tries/) {
1.286 albertel 1443: push(@parts, $1);
1.285 raeburn 1444: }
1445: }
1.286 albertel 1446: foreach my $part (@parts) {
1.470 raeburn 1447: if ($env{'request.role'} =~/^st/) {
1448: if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
1449: eq 'APPROX_ANS' ||
1450: $Apache::lonhomework::results{'resource.'.$part.'.award'}
1451: eq 'EXACT_ANS') {
1452: $aggregate{$symb."\0".$part."\0correct"} = 1;
1453: }
1454: if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
1455: $aggregate{$symb."\0".$part."\0users"} = 1;
1456: } else {
1457: my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
1458: if ($last_reset) {
1459: if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
1460: $aggregate{$symb."\0".$part."\0users"} = 1;
1461: }
1462: }
1463: }
1464: $aggregate{$symb."\0".$part."\0attempts"} = 1;
1.285 raeburn 1465: }
1.470 raeburn 1466: if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
1.479 raeburn 1467: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred') ||
1468: ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry')) {
1469: if ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'randomizetry') {
1470: $randtrycounter{$symb."\0".$part} = 1;
1471: } else {
1472: $anoncounter{$symb."\0".$part} = 1;
1473: }
1.470 raeburn 1474: my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}};
1475: if ($needsrelease) {
1476: my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
1477: if ($curr_required eq '') {
1.471 raeburn 1478: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1479: } else {
1480: my ($currmajor,$currminor) = split(/\./,$curr_required);
1481: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
1482: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
1.471 raeburn 1483: &Apache::lonnet::update_released_required($needsrelease);
1.470 raeburn 1484: }
1.292 raeburn 1485: }
1486: }
1.285 raeburn 1487: }
1488: }
1.526 raeburn 1489: if (keys(%aggregate) > 0) {
1.289 albertel 1490: &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.292 raeburn 1491: $cdomain,$cname);
1492: }
1.472 raeburn 1493: if (keys(%anoncounter) > 0) {
1.481 raeburn 1494: &Apache::lonnet::cput('nohist_anonsurveys',\%anoncounter,
1495: $cdomain,$cname);
1.472 raeburn 1496: }
1.479 raeburn 1497: if (keys(%randtrycounter) > 0) {
1.481 raeburn 1498: &Apache::lonnet::cput('nohist_randomizetry',\%randtrycounter,
1499: $cdomain,$cname);
1.479 raeburn 1500: }
1.292 raeburn 1501: }
1.289 albertel 1502:
1.65 albertel 1503: sub checkout_msg {
1.211 albertel 1504: my %lt=&Apache::lonlocal::texthash(
1505: 'resource'=>'The resource needs to be checked out',
1506: '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.',
1507: 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
1.509 bisitz 1508: 'checkout'=>'Check out Bubblesheet Exam for Viewing',
1509: 'checkout?'=>'Check out Bubblesheet Exam?');
1.352 albertel 1510: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.159 albertel 1511: return (<<ENDCHECKOUT);
1.211 albertel 1512: <h2>$lt{'resource'}</h2>
1513: <p>$lt{'id_expln'}</p>
1.449 bisitz 1514: <p class="LC_warning">$lt{'warning'}</p>
1.444 bisitz 1515: <form name="checkout" method="post" action="$uri">
1.91 albertel 1516: <input type="hidden" name="doescheckout" value="yes" />
1.514 bisitz 1517: <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onclick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
1.65 albertel 1518: </form>
1519: ENDCHECKOUT
1520: }
1521:
1.252 albertel 1522: sub firstaccess_msg {
1.253 albertel 1523: my ($time,$symb)=@_;
1.414 albertel 1524: my $result;
1525: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1526: if ($interval[1] eq 'map') {
1527: my ($map)=&Apache::lonnet::decode_symb($symb);
1528: my $foldertitle=&Apache::lonnet::gettitle($map);
1529:
1530: &Apache::lonxml::debug("map is $map title is $foldertitle");
1.504 golterma 1531: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."</h2>"
1532: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1533: ,$foldertitle,$time)."</p>";
1.414 albertel 1534: } elsif ($interval[1] eq 'course') {
1535: my $course = $env{'course.'.$env{'request.course.id'}.'.description'};
1.504 golterma 1536: $result .= "<h2>".&mt('The resources in "[_1]" are open for a limited time.',$course)."</h2>"
1.505 golterma 1537: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".'
1.504 golterma 1538: ,$course,$time)."</p>";
1.414 albertel 1539: } else {
1540: my $title=&Apache::lonnet::gettitle($symb);
1.504 golterma 1541: $result .= "<h2>".&mt('This resource "[_1]" is open for a limited time.',$title)."</h2>"
1542: .'<p>'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".'
1543: ,$title,$time)."</p>";
1.414 albertel 1544: }
1.352 albertel 1545: my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
1.418 bisitz 1546: my $buttontext = &mt('Show Resource');
1547: my $timertext = &mt('Start Timer?');
1.414 albertel 1548: $result .= (<<ENDCHECKOUT);
1.444 bisitz 1549: <form name="markaccess" method="post" action="$uri">
1.252 albertel 1550: <input type="hidden" name="markaccess" value="yes" />
1.514 bisitz 1551: <input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
1.252 albertel 1552: </form>
1553: ENDCHECKOUT
1.414 albertel 1554: return $result;
1.252 albertel 1555: }
1556:
1.204 albertel 1557: sub init_problem_globals {
1558: my ($type)=@_;
1559: #initialize globals
1.308 foxr 1560: # For problems, we start out in part 0 (outside a <part> tag).
1561: # and part 0 is used to describe the main body of the <problem>
1562: #
1.204 albertel 1563: if ($type eq 'problem') {
1564: $Apache::inputtags::part='0';
1565: @Apache::inputtags::partlist=('0');
1.405 albertel 1566: &Apache::lonhomework::set_show_problem_status(&get_problem_status('0'));
1.266 albertel 1567: $Apache::lonhomework::ignore_response_errors=0;
1.308 foxr 1568:
1.266 albertel 1569: } elsif ($type eq 'library') {
1.204 albertel 1570: $Apache::inputtags::part='';
1571: @Apache::inputtags::partlist=();
1.405 albertel 1572: &Apache::lonhomework::reset_show_problem_status();
1.266 albertel 1573: $Apache::lonhomework::ignore_response_errors=1;
1.308 foxr 1574:
1.304 albertel 1575: } elsif ($type eq 'Task') {
1576: $Apache::inputtags::part='0';
1577: @Apache::inputtags::partlist=('0');
1.405 albertel 1578: &Apache::lonhomework::reset_show_problem_status();
1.304 albertel 1579: $Apache::lonhomework::ignore_response_errors=1;
1.204 albertel 1580: }
1.477 www 1581: @Apache::functionplotresponse::callscripts=();
1.204 albertel 1582: @Apache::inputtags::responselist = ();
1583: @Apache::inputtags::importlist = ();
1584: @Apache::inputtags::previous=();
1585: @Apache::inputtags::previous_version=();
1586: $Apache::structuretags::printanswer='No';
1587: @Apache::structuretags::whileconds=();
1588: @Apache::structuretags::whilebody=();
1589: @Apache::structuretags::whileline=();
1590: $Apache::lonhomework::scantronmode=0;
1591: undef($Apache::lonhomework::name);
1.358 albertel 1592: undef($Apache::lonhomework::default_type);
1593: undef($Apache::lonhomework::type);
1.204 albertel 1594: }
1595:
1596: sub reset_problem_globals {
1597: my ($type)=@_;
1598: undef(%Apache::lonhomework::history);
1599: undef(%Apache::lonhomework::results);
1600: undef($Apache::inputtags::part);
1.498 raeburn 1601: if ($type eq 'Task') {
1602: undef($Apache::inputtags::slot_name);
1.528 raeburn 1603: } elsif ($type eq 'problem') {
1604: undef($Apache::lonhomework::rawrndseed);
1.498 raeburn 1605: }
1.208 albertel 1606: #don't undef this, lonhomework.pm takes care of this, we use this to
1607: #detect if we try to do 2 problems in one file
1608: # undef($Apache::lonhomework::parsing_a_problem);
1.204 albertel 1609: undef($Apache::lonhomework::name);
1.358 albertel 1610: undef($Apache::lonhomework::default_type);
1611: undef($Apache::lonhomework::type);
1612: undef($Apache::lonhomework::scantronmode);
1613: undef($Apache::lonhomework::ignore_response_errors);
1.477 www 1614: undef(@Apache::functionplotresponse::callscripts);
1.405 albertel 1615: &Apache::lonhomework::reset_show_problem_status();
1.204 albertel 1616: }
1617:
1.241 albertel 1618: sub set_problem_state {
1.240 albertel 1619: my ($part)=@_;
1.284 albertel 1620: if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
1.240 albertel 1621: $Apache::lonhomework::history{"resource.$part.solved"}=
1622: 'correct_by_student';
1623: }
1624: }
1625:
1.241 albertel 1626: sub get_problem_status {
1627: my ($part)=@_;
1.267 albertel 1628: my $problem_status;
1.284 albertel 1629: if ($env{'request.state'} eq 'construct' &&
1630: defined($env{'form.problemstatus'})) {
1631: $problem_status=$env{'form.problemstatus'};
1.267 albertel 1632: } else {
1633: $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
1634: &Apache::lonxml::debug("problem status for $part is $problem_status");
1.284 albertel 1635: &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
1.241 albertel 1636: }
1637: return $problem_status;
1638: }
1639:
1.9 albertel 1640: sub start_problem {
1.326 albertel 1641: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.19 albertel 1642:
1.311 foxr 1643: # We'll use the redirection to fix up printing of duedates.
1.321 albertel 1644: if (!$Apache::lonxml::metamode) {
1645: &Apache::lonxml::startredirection();
1646: }
1.311 foxr 1647:
1.308 foxr 1648: # Problems don't nest and we don't allow more than one <problem> in
1649: # a .problem file.
1650: #
1.184 albertel 1651: if ( $Apache::inputtags::part ne '' ||
1652: $Apache::lonhomework::parsing_a_problem) {
1653: &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
1.326 albertel 1654: #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,$style);
1.159 albertel 1655: return '';
1656: }
1.184 albertel 1657:
1658: $Apache::lonhomework::parsing_a_problem=1;
1.204 albertel 1659: &init_problem_globals('problem');
1.166 albertel 1660:
1.284 albertel 1661: if (defined($env{'scantron.maxquest'})) {
1.166 albertel 1662: $Apache::lonhomework::scantronmode=1;
1663: }
1.161 albertel 1664:
1.159 albertel 1665: if ($target ne 'analyze') {
1.415 raeburn 1666: my $type = &Apache::lonnet::EXT('resource.0.type');
1667: $Apache::lonhomework::type=$type;
1.284 albertel 1668: if (($env{'request.state'} eq 'construct') &&
1.410 albertel 1669: $env{'form.problemtype'} =~ /\S/) {
1.284 albertel 1670: $Apache::lonhomework::type=$env{'form.problemtype'};
1.237 albertel 1671: }
1.332 albertel 1672: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
1.159 albertel 1673: }
1.164 albertel 1674: if ($Apache::lonhomework::type eq '' ) {
1.284 albertel 1675: my $uri=$env{'request.uri'};
1.159 albertel 1676: if ($uri=~/\.(\w+)$/) {
1677: $Apache::lonhomework::type=$1;
1678: &Apache::lonxml::debug("Using type of $1");
1679: } else {
1680: $Apache::lonhomework::type='problem';
1681: &Apache::lonxml::debug("Using default type, problem, :$uri:");
1682: }
1.87 albertel 1683: }
1.301 albertel 1684: $Apache::lonhomework::default_type = $Apache::lonhomework::type;
1.58 www 1685:
1.363 albertel 1686: &initialize_storage();
1.389 albertel 1687: if ($target ne 'analyze'
1688: && $env{'request.state'} eq 'construct') {
1689: &set_problem_state('0');
1690: }
1691:
1.366 albertel 1692: if ($target eq 'web') {
1693: &Apache::lonxml::debug(" grading history ");
1694: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
1695: }
1.363 albertel 1696:
1.159 albertel 1697: #added vars to the scripting enviroment
1.213 albertel 1698: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.248 albertel 1699: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.24 albertel 1700: &Apache::run::run($expression,$safeeval);
1.159 albertel 1701: my $status;
1702: my $accessmsg;
1.508 raeburn 1703: my $resource_due;
1.159 albertel 1704:
1.343 albertel 1705: my $name= &get_resource_name($parstack,$safeeval);
1.528 raeburn 1706: my ($result,$form_tag_start,$slot_name,$slot,$probpartlist);
1.506 raeburn 1707:
1708: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1709: $target eq 'tex') {
1710: if ($env{'form.markaccess'}) {
1711: my @interval=&Apache::lonnet::EXT("resource.0.interval");
1.519 raeburn 1712: &Apache::lonnet::set_first_access($interval[1],$interval[0]);
1.506 raeburn 1713: }
1714:
1715: ($status,$accessmsg,$slot_name,$slot) =
1716: &Apache::lonhomework::check_slot_access('0','problem');
1717: push (@Apache::inputtags::status,$status);
1718: }
1719:
1.354 albertel 1720: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
1721: || $target eq 'edit') {
1.528 raeburn 1722: ($result,$form_tag_start,$probpartlist) =
1.350 albertel 1723: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
1724: $name);
1.528 raeburn 1725: } elsif (($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) {
1726: my ($symb)= &Apache::lonnet::whichuser();
1727: my $navmap = Apache::lonnavmaps::navmap->new();
1728: if (ref($navmap)) {
1729: my $res = $navmap->getBySymb($symb);
1730: if (ref($res)) {
1731: $probpartlist = $res->parts();
1732: }
1733: }
1.350 albertel 1734: }
1735:
1.284 albertel 1736: if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
1.159 albertel 1737:
1.479 raeburn 1738: if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
1.159 albertel 1739: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1740: $target eq 'tex') {
1.479 raeburn 1741:
1.159 albertel 1742: #handle rand seed in construction space
1.528 raeburn 1743: my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
1744: if (($target eq 'grade') && &Apache::response::submitted()) {
1745: if ($Apache::lonhomework::type eq 'randomizetry') {
1.529 raeburn 1746: $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
1.528 raeburn 1747: } else {
1748: my @parts;
1749: if (ref($probpartlist) eq 'ARRAY') {
1750: @parts = @{$probpartlist};
1751: }
1752: unless (@parts) {
1.529 raeburn 1753: $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 1754: }
1755: }
1756: }
1.367 albertel 1757: my ($symb)=&Apache::lonnet::whichuser();
1.479 raeburn 1758:
1.333 albertel 1759: if ($env{'request.state'} ne "construct" &&
1760: ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
1.162 albertel 1761: $form_tag_start.='<input type="hidden" name="rndseed" value="'.
1.462 raeburn 1762: $rndseed.'" />'.
1763: '<input type="submit" name="resetdata"
1764: value="'.&mt('New Problem Variation').'" />';
1.334 albertel 1765: if (exists($env{'form.username'})) {
1766: $form_tag_start.=
1.164 albertel 1767: '<input type="hidden" name="username"
1.284 albertel 1768: value="'.$env{'form.username'}.'" />';
1.334 albertel 1769: }
1.462 raeburn 1770: if ($env{'request.role.adv'}) {
1771: $form_tag_start.= ' <label class="LC_nobreak">'
1772: .'<input type="checkbox" name="showallfoils"';
1773: if (defined($env{'form.showallfoils'})) {
1774: $form_tag_start.=' checked="checked"';
1775: }
1776: $form_tag_start.= ' /> '
1777: .&mt('Show All Foils')
1778: .'</label>';
1779: }
1.417 www 1780: if ($Apache::lonhomework::type eq 'practice') {
1.428 raeburn 1781: $form_tag_start.=&practice_problem_header();
1.417 www 1782: }
1.462 raeburn 1783: $form_tag_start.='<hr />';
1.479 raeburn 1784: } elsif (($env{'request.state'} ne "construct") &&
1785: ($Apache::lonhomework::type eq 'randomizetry') &&
1786: ($status eq 'CAN_ANSWER')) {
1787: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
1788: my $problemstatus = &get_problem_status($Apache::inputtags::part);
1789: $form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries);
1790: }
1.324 albertel 1791:
1.159 albertel 1792: my $expression='$external::datestatus="'.$status.'";';
1793: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
1794: &Apache::run::run($expression,$safeeval);
1795: &Apache::lonxml::debug("Got $status");
1.324 albertel 1796:
1.159 albertel 1797: if (( $status eq 'CLOSED' ) ||
1798: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 1799: ( $status eq 'NOT_YET_VIEWED') ||
1.159 albertel 1800: ( $status eq 'BANNED') ||
1.216 albertel 1801: ( $status eq 'UNAVAILABLE') ||
1.324 albertel 1802: ( $status eq 'NOT_IN_A_SLOT') ||
1.499 raeburn 1803: ( $status eq 'NOTRESERVABLE') ||
1804: ( $status eq 'RESERVABLE') ||
1805: ( $status eq 'RESERVABLE_LATER') ||
1.216 albertel 1806: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 1807: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1808: $style);
1.159 albertel 1809: if ( $target eq "web" ) {
1.343 albertel 1810: my $msg;
1.159 albertel 1811: if ($status eq 'UNAVAILABLE') {
1.504 golterma 1812: $msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
1.441 raeburn 1813: } elsif ($status eq 'NOT_IN_A_SLOT') {
1.504 golterma 1814: $msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
1.499 raeburn 1815: } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') ||
1816: ($status eq 'NOTRESERVABLE')) {
1.504 golterma 1817: $msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
1.253 albertel 1818: } elsif ($status ne 'NOT_YET_VIEWED') {
1.504 golterma 1819: $msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
1.499 raeburn 1820: }
1.216 albertel 1821: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
1.393 www 1822: $msg.=&mt('The problem ').$accessmsg;
1.159 albertel 1823: } elsif ($status eq 'UNCHECKEDOUT') {
1.343 albertel 1824: $msg.=&checkout_msg();
1.252 albertel 1825: } elsif ($status eq 'NOT_YET_VIEWED') {
1.253 albertel 1826: $msg.=&firstaccess_msg($accessmsg,$symb);
1.325 albertel 1827: } elsif ($status eq 'NOT_IN_A_SLOT') {
1.441 raeburn 1828: $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1.499 raeburn 1829: } elsif ($status eq 'RESERVABLE') {
1830: $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
1831: &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
1832: '<br />'.
1833: &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
1834: } elsif ($status eq 'RESERVABLE_LATER') {
1835: $msg.=&mt('Window to make a reservation will open [_1].',
1836: &Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
1837: } elsif ($status eq 'NOTRESERVABLE') {
1838: $msg.=&mt('Not available to make a reservation.');
1.159 albertel 1839: }
1840: $result.=$msg.'<br />';
1841: } elsif ($target eq 'tex') {
1.332 albertel 1842: my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
1843: : '\begin{minipage}{\textwidth}';
1.443 foxr 1844: $result.='\noindent \vskip 1 mm '.
1.332 albertel 1845: $startminipage.'\vskip 0 mm';
1.159 albertel 1846: if ($status eq 'UNAVAILABLE') {
1.211 albertel 1847: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
1.159 albertel 1848: } else {
1.211 albertel 1849: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
1.159 albertel 1850: }
1851: }
1.324 albertel 1852: } elsif ($status eq 'NEEDS_CHECKIN') {
1.326 albertel 1853: my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
1854: $style);
1.324 albertel 1855: if ($target eq 'web') {
1.375 albertel 1856: $result .=
1857: &Apache::bridgetask::proctor_validation_screen($slot);
1.324 albertel 1858: } elsif ($target eq 'grade') {
1859: &Apache::bridgetask::proctor_check_auth($slot_name,$slot,
1860: 'problem');
1861: }
1.159 albertel 1862: } elsif ($target eq 'web') {
1.508 raeburn 1863: if ($status eq 'CAN_ANSWER') {
1864: $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
1865: if ($slot_name ne '') {
1866: my $checked_in =
1867: $Apache::lonhomework::history{'resource.0.checkedin'};
1868: if ($checked_in eq '') {
1869: # unproctored slot access, self checkin
1870: &Apache::bridgetask::check_in('problem',undef,undef,
1871: $slot_name);
1872: $checked_in =
1873: $Apache::lonhomework::results{"resource.0.checkedin"};
1874: }
1875: if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
1876: if ($slot->{'starttime'} < time()) {
1877: if (!$resource_due) {
1878: $resource_due = $slot->{'endtime'};
1879: } elsif ($slot->{'endtime'} < $resource_due) {
1880: $resource_due = $slot->{'endtime'};
1881: }
1882: }
1883: }
1884: }
1885: if ($resource_due) {
1886: my $time_left = $resource_due - time();
1887: if ($resource_due && ($time_left > 0) && ($target eq 'web')) {
1888: $result .= &Apache::lonhtmlcommon::set_due_date($resource_due);
1889: }
1890: }
1891: }
1.368 albertel 1892: $result.="\n $form_tag_start \t".
1.227 albertel 1893: '<input type="hidden" name="submitted" value="yes" />';
1894: # create a page header and exit
1.284 albertel 1895: if ($env{'request.state'} eq "construct") {
1896: $result.= &problem_web_to_edit_header($env{'form.rndseed'});
1.428 raeburn 1897: if ($Apache::lonhomework::type eq 'practice') {
1898: $result.= '<input type="submit" name="resetdata" '.
1899: 'value="'.&mt('New Problem Variation').'" />'.
1900: &practice_problem_header().'<hr />';
1901: }
1.227 albertel 1902: }
1903: # if we are viewing someone else preserve that info
1.284 albertel 1904: if (defined $env{'form.grade_symb'}) {
1.227 albertel 1905: foreach my $field ('symb','courseid','domain','username') {
1906: $result .= '<input type="hidden" name="grade_'.$field.
1.284 albertel 1907: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1.159 albertel 1908: }
1.479 raeburn 1909: foreach my $field ('trial','questiontype') {
1910: if ($env{"form.grade_$field"} ne '') {
1911: $result .= '<input type="hidden" name="grade_'.$field.
1912: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
1913: }
1914: }
1.159 albertel 1915: }
1.490 raeburn 1916: if ($env{'form.grade_imsexport'}) {
1917: $result = '';
1918: }
1.159 albertel 1919: } elsif ($target eq 'tex') {
1.319 foxr 1920: $result .= 'INSERTTEXFRONTMATTERHERE';
1.500 foxr 1921: $result .= &select_metadata_hyphenation();
1922:
1.319 foxr 1923:
1.99 sakharuk 1924: }
1.159 albertel 1925: } elsif ($target eq 'edit') {
1.343 albertel 1926: $result .= $form_tag_start.&problem_edit_header();
1.226 albertel 1927: $Apache::lonxml::warnings_error_header=
1928: &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 1929: my $temp=&Apache::edit::insertlist($target,$token);
1930: $result.=$temp;
1931: } elsif ($target eq 'modified') {
1932: $result=$token->[4];
1933: } else {
1934: # page_start returned a starting result, delete it if we don't need it
1935: $result = '';
1.99 sakharuk 1936: }
1.159 albertel 1937: return $result;
1.9 albertel 1938: }
1939:
1940: sub end_problem {
1.159 albertel 1941: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.321 albertel 1942: my $result;
1.310 foxr 1943:
1.321 albertel 1944: if (!$Apache::lonxml::metamode) {
1945: $result = &Apache::lonxml::endredirection(); #started in &start_problem
1.329 albertel 1946: $Apache::lonxml::post_evaluate=0;
1.321 albertel 1947: }
1.319 foxr 1948:
1949: if ($target eq 'tex') {
1.321 albertel 1950: # Figure out the front matter and replace the
1951: # INSERTTEXFRONTMATTERHERE in result with it. note that we do
1952: # this in end_problem because whether or not we display due
1953: # dates depends on whether due dates have already been
1954: # displayed in the problem parts.
1955:
1.319 foxr 1956: my $frontmatter = '';
1957: my $startminipage = '';
1958: if (not $env{'form.problem_split'}=~/yes/) {
1959: $startminipage = '\begin{minipage}{\textwidth}';
1960: }
1961: my $id = $Apache::inputtags::part;
1962: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1963: my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 1964: my @packages = split(/,/,$packages);
1.319 foxr 1965: my $allow_print_points = 0;
1966: foreach my $partial_key (@packages) {
1967: if ($partial_key=~m/^part_0$/) {
1968: $allow_print_points=1;
1969: }
1970: }
1971: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1972: if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
1973: if (lc($env{'course.'.$env{'request.course.id'}.
1974: '.disableexampointprint'}) eq 'yes') {
1975: $allow_print_points=0;
1976: }
1977: my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
1.443 foxr 1978: 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 1979: &clear_required_languages();
1.319 foxr 1980: my $toc_line='\vskip 1 mm\noindent '.$startminipage.
1981: '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
1982:
1983: # Figure out what the due date is and if we need to print
1984: # it in the problem header. We have been logging the
1985: # last due date written to file.
1986:
1987: my $duetime = &Apache::lonnet::EXT("resource.$id.duedate");
1988: my $duedate = POSIX::strftime("%c",localtime($duetime));
1.448 bisitz 1989: my $duedate_text = &mt('Due date: [_1]'
1990: ,&Apache::lonlocal::locallocaltime($duetime));
1.319 foxr 1991: my $temp_file;
1992: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1993:
1994: # Figure out what the last printed due date is or set it
1995: # to the epoch if no duedates have been printed.
1996:
1997: my $due_file_content = 0; # If the file does not yet exist, time is the epoch.
1998: if (-e $filename) {
1999: $temp_file = Apache::File->new($filename);
2000: my @due_file = <$temp_file>;
2001: $due_file_content = $due_file[$#due_file];
2002: chomp $due_file_content;
2003: }
2004:
2005: # We display the due date iff it is not the same as the last
2006: # duedate in problem header ($due_file_content), and
2007: # none of our parts displayed a duedate.
2008: #
2009: my $parts_with_displayduedate;
2010: if (defined $Apache::outputtags::showonce{'displayduedate'}) {
2011: $parts_with_displayduedate =
2012: scalar(@{$Apache::outputtags::showonce{'displayduedate'}});
2013: } else {
2014: $parts_with_displayduedate = 0;
2015: }
2016: if (($due_file_content != $duetime) && ($parts_with_displayduedate == 0) ) {
2017: $temp_file = Apache::File->new('>'.$filename);
2018: print $temp_file "$duetime\n";
2019: if (not $env{'request.symb'} =~ m/\.page_/) {
2020: if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
2021: $frontmatter .= $begin_doc.
1.448 bisitz 2022: '\textit{'.$duedate_text.'} '.$toc_line;
1.319 foxr 2023: } else {
2024: $frontmatter.= $begin_doc.$toc_line;
1.463 foxr 2025: if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) {
1.492 christia 2026: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2027: }
1.319 foxr 2028: }
2029: } else {
1.448 bisitz 2030: $frontmatter .= '\vskip 1mm\textit{'.$duedate_text.'} \\\\\\\\'.$startminipage;
1.319 foxr 2031: }
2032: } else {
2033: if (not $env{'request.symb'} =~ m/\.page_/) {
2034: $frontmatter .= $begin_doc.$toc_line;
1.463 foxr 2035: if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) {
1.492 christia 2036: $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2037: }
1.319 foxr 2038: } else {
1.381 albertel 2039: $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage;
1.319 foxr 2040: }
2041: }
2042: $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
2043: }
2044:
1.159 albertel 2045: my $status=$Apache::inputtags::status['-1'];
2046: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
2047: $target eq 'tex') {
1.249 albertel 2048: if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
1.159 albertel 2049: # if part is zero, no <part>s existed, so we need to the grading
1.249 albertel 2050: if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
2051: &Apache::inputtags::grade;
1.324 albertel 2052: } elsif ($status eq 'NEEDS_CHECKIN') {
2053: # no need to grade, and don't want to hide data
1.249 albertel 2054: } else {
2055: # move any submission data to .hidden
2056: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2057: }
1.159 albertel 2058: } elsif ( ($target eq 'web' || $target eq 'tex') &&
2059: $Apache::inputtags::part eq '0' &&
1.490 raeburn 2060: $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED'
2061: && !$env{'form.grade_imsexport'}) {
1.159 albertel 2062: # if part is zero, no <part>s existed, so we need show the current
2063: # grading status
2064: my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
2065: $result.= $gradestatus;
2066: }
2067: if (
1.284 albertel 2068: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
1.159 albertel 2069: ($target eq 'answer') || ($target eq 'tex')
2070: ) {
1.490 raeburn 2071: if (($target ne 'tex') &&
2072: ($env{'form.answer_output_mode'} ne 'tex') &&
2073: (!$env{'form.grade_imsexport'})) {
1.254 www 2074: $result.="</form>";
1.159 albertel 2075: }
2076: if ($target eq 'web') {
1.507 raeburn 2077: #
2078: # Closing </body></html> not added by end_page().
2079: # Added separately at end of this routine, after added
2080: # <script></script> so document will be valid xhtml.
2081: #
2082: $result.= &Apache::loncommon::end_page({'discussion' => 1,
2083: 'notbody' => 1});
1.159 albertel 2084: } elsif ($target eq 'tex') {
1.178 sakharuk 2085: my $endminipage = '';
1.284 albertel 2086: if (not $env{'form.problem_split'}=~/yes/) {
1.178 sakharuk 2087: $endminipage = '\end{minipage}';
2088: }
1.284 albertel 2089: if ($env{'form.print_discussions'} eq 'yes') {
1.263 sakharuk 2090: $result.=&Apache::lonxml::xmlend($target,$parser);
1.159 albertel 2091: } else {
1.262 sakharuk 2092: $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
1.284 albertel 2093: if (not $env{'request.symb'} =~ m/\.page_/) {
1.262 sakharuk 2094: $result .= $endminipage.'\end{document} ';
2095: } else {
1.382 albertel 2096: $result .= $endminipage;
1.262 sakharuk 2097: }
1.159 albertel 2098: }
2099: }
2100: }
1.476 www 2101: if ($target eq 'web') {
2102: $result.=&Apache::functionplotresponse::init_script();
2103: }
1.159 albertel 2104: if ($target eq 'grade') {
2105: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
2106: &finalize_storage();
2107: }
1.284 albertel 2108: if ($target eq 'answer' && ($env{'request.state'} eq 'construct')
2109: && $env{'form.answer_output_mode'} ne 'tex') {
1.346 albertel 2110: $result.=&Apache::loncommon::end_page({'discussion' => 1});
1.294 albertel 2111: # normally we get it from above, but in CSTR
1.172 albertel 2112: # we always show answer mode too.
1.159 albertel 2113: }
2114: } elsif ($target eq 'meta') {
2115: if ($Apache::inputtags::part eq '0') {
1.179 albertel 2116: @Apache::inputtags::response=();
1.159 albertel 2117: $result=&Apache::response::mandatory_part_meta;
2118: }
1.215 albertel 2119: $result.=&Apache::response::meta_part_order();
1.258 albertel 2120: $result.=&Apache::response::meta_response_order();
1.159 albertel 2121: } elsif ($target eq 'edit') {
2122: &Apache::lonxml::debug("in end_problem with $target, edit");
1.314 albertel 2123: $result .= &problem_edit_footer();
1.320 albertel 2124: } elsif ($target eq 'modified') {
2125: $result .= $token->[2];
1.159 albertel 2126: }
1.155 albertel 2127:
1.284 albertel 2128: if ($env{'request.state'} eq 'construct' && $target eq 'web') {
1.177 albertel 2129: &Apache::inputtags::check_for_duplicate_ids();
2130: }
1.204 albertel 2131:
2132: &reset_problem_globals('problem');
1.159 albertel 2133:
1.502 foxr 2134: #
2135: # This shouild be just above the return so that the
2136: # time put in the javascript is as late as possible in the
2137: # computation:
2138: #
2139: if ($target eq 'web') {
2140: $result .= &Apache::lonhtmlcommon::set_compute_end_time();
1.507 raeburn 2141: #
2142: # Closing tags delayed so any <script></script> tags
2143: # not in head can appear inside body, for valid xhtml.
2144: #
2145: $result .= "</body>\n</html>";
1.502 foxr 2146: }
1.159 albertel 2147: return $result;
1.48 albertel 2148: }
2149:
1.108 albertel 2150:
1.48 albertel 2151: sub start_library {
1.159 albertel 2152: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.343 albertel 2153: my ($result,$form_tag_start);
1.371 albertel 2154: if ($#$tagstack eq 0 && $$tagstack[0] eq 'library') {
1.244 albertel 2155: &init_problem_globals('library');
2156: $Apache::lonhomework::type='problem';
2157: }
1.159 albertel 2158: if ($target eq 'edit') {
1.343 albertel 2159: ($result,$form_tag_start)=
2160: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2161: 'Edit');
2162: $result.=$form_tag_start.&problem_edit_header();
1.159 albertel 2163: my $temp=&Apache::edit::insertlist($target,$token);
2164: $result.=$temp;
2165: } elsif ($target eq 'modified') {
2166: $result=$token->[4];
1.340 albertel 2167: } elsif (($target eq 'web' || $target eq 'webgrade')
1.371 albertel 2168: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
1.340 albertel 2169: && $env{'request.state'} eq "construct" ) {
1.159 albertel 2170: my $name=&get_resource_name($parstack,$safeeval);
1.343 albertel 2171: ($result,$form_tag_start)=
2172: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
2173: $name);
1.479 raeburn 2174: my $rndseed=&setup_rndseed($safeeval,$target);
1.343 albertel 2175: $result.=" \n $form_tag_start".
1.159 albertel 2176: '<input type="hidden" name="submitted" value="yes" />';
2177: $result.=&problem_web_to_edit_header($rndseed);
1.428 raeburn 2178: if ($Apache::lonhomework::type eq 'practice') {
2179: $result.= '<input type="submit" name="resetdata" '.
2180: 'value="'.&mt('New Problem Variation').'" />'.
2181: &practice_problem_header().'<hr />';
2182: }
1.159 albertel 2183: }
2184: return $result;
1.48 albertel 2185: }
2186:
2187: sub end_library {
1.159 albertel 2188: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2189: my $result='';
2190: if ($target eq 'edit') {
2191: $result=&problem_edit_footer();
1.371 albertel 2192: } elsif ($target eq 'web'
2193: && ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
2194: && $env{'request.state'} eq "construct") {
1.349 albertel 2195: $result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
1.159 albertel 2196: }
1.371 albertel 2197: if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
2198: &reset_problem_globals('library');
2199: }
1.159 albertel 2200: return $result;
1.197 www 2201: }
2202:
2203: sub start_definetag {
1.326 albertel 2204: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.197 www 2205:
2206: my $result;
2207:
2208: my $name = $token->[2]->{'name'};
1.326 albertel 2209: my $skip=&Apache::lonxml::get_all_text("/definetag",$parser,$style);
1.396 albertel 2210: if ($target eq 'web') {
2211: if ($name=~/^\//) {
2212: $result=
2213: '<br /><table class="LC_sty_end"><tr><th>'.
2214: &mt('END [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2215: } else {
2216: $result=
2217: '<br /><table class="LC_sty_begin"><tr><th>'.
2218: &mt('BEGIN [_1]'.'<tt>'.$name.'</tt>').'</th></tr>';
2219: }
2220: $skip = &HTML::Entities::encode($skip, '<>&"');
2221: $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
1.197 www 2222: }
2223: return $result;
2224: }
2225:
2226: sub end_definetag {
2227: return '';
1.1 albertel 2228: }
2229:
2230: sub start_block {
1.201 albertel 2231: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.131 albertel 2232:
2233: my $result;
1.1 albertel 2234:
1.339 albertel 2235: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2236: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.159 albertel 2237: my $code = $token->[2]->{'condition'};
1.385 albertel 2238: if (defined($code) && $code ne '') {
1.137 albertel 2239: if (!$Apache::lonxml::default_homework_loaded) {
2240: &Apache::lonxml::default_homework_load($safeeval);
2241: }
1.131 albertel 2242: $result = &Apache::run::run($code,$safeeval);
2243: &Apache::lonxml::debug("block :$code: returned :$result:");
2244: } else {
2245: $result='1';
2246: }
2247: if ( ! $result ) {
1.201 albertel 2248: my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
1.131 albertel 2249: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2250: }
2251: $result='';
2252: } elsif ($target eq 'edit') {
2253: $result .=&Apache::edit::tag_start($target,$token);
2254: $result .=&Apache::edit::text_arg('Test Condition:','condition',
2255: $token,40);
2256: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2257: } elsif ($target eq 'modified') {
2258: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2259: $safeeval,'condition');
2260: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38 albertel 2261: }
1.131 albertel 2262: return $result;
1.1 albertel 2263: }
2264:
2265: sub end_block {
1.167 www 2266: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2267: my $result;
2268: if ($target eq "edit") {
2269: $result.= &Apache::edit::tag_end($target,$token,'');
2270: }
2271: return $result;
2272: }
1.500 foxr 2273: #
2274: # <languageblock [include='lang1,lang2...'] [exclude='lang1,lang2...']>
2275: # ...
2276: # </languageblock>
2277: #
2278: # This declares the intent to provide content that can be rendered in the
2279: # set of languages in the include specificatino but not in the exclude
2280: # specification. If a currently preferred language is in the include list
2281: # the content in the <languageblock>...</languageblock> is rendered
2282: # If the currently preferred language is in the exclude list,
2283: # the content in the <languageblock>..></languageblock is not rendered.
2284: #
2285: # Pathalogical case handling:
2286: # - Include specified, without the preferred language but exclude specified
2287: # also without the preferred langauge results in rendering the block.
2288: # - Exclude specified without include and excluden not containing a
2289: # preferred language renders the block.
2290: # - Include and exclude both specifying the preferred language does not
2291: # render the block.
2292: # - If neither include/exclude is specified, the block gets rendered.
2293: #
2294: # This tag has no effect when target is in {edit, modified}
2295: #
1.167 www 2296: sub start_languageblock {
1.201 albertel 2297: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.167 www 2298:
1.500 foxr 2299: my $result = '';
1.167 www 2300:
1.339 albertel 2301: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2302: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.201 albertel 2303: my $include = $token->[2]->{'include'};
2304: my $exclude = $token->[2]->{'exclude'};
1.436 raeburn 2305: my @preferred_languages=&Apache::lonlocal::preferred_languages();
1.500 foxr 2306:
2307: # This should not even happen, since we should at least have the server language
2308:
2309: if (!$preferred_languages[0]) {
2310: $preferred_languages[0]='en';
2311: }
2312:
2313: # Now loop over all languages in order of preference
2314:
2315: my $render;
1.398 www 2316: foreach my $preferred_language (@preferred_languages) {
1.500 foxr 2317:
2318: # If neither include/nor exlude is present the block is going
2319: # to get rendered.
2320:
1.399 www 2321: my $found=0;
1.500 foxr 2322: $render=1;
2323:
2324: # If include is specified, don't render the block
2325: # unless the preferred language is included in the set.
2326:
1.398 www 2327: if ($include) {
1.500 foxr 2328: $render=0;
1.398 www 2329: foreach my $included_language (split(/\,/,$include)) {
2330: if ($included_language eq $preferred_language) {
1.500 foxr 2331: $render=1;
1.399 www 2332: $found=1;
1.500 foxr 2333: last; # Only need to find the first.
1.398 www 2334: }
2335: }
2336: }
1.500 foxr 2337: # Do we have an exclude argument?
2338: # If so, and one of the languages matches a preferred language
2339: # inhibit rendering the block. Note that in the pathalogical case the
2340: # author has specified a preferred language in both the include and exclude
2341: # attribte exclude is preferred.
2342:
1.398 www 2343: if ($exclude) {
1.500 foxr 2344: $render=1;
1.398 www 2345: foreach my $excluded_language (split(/\,/,$exclude)) {
2346: if ($excluded_language eq $preferred_language) {
1.500 foxr 2347: $render=0;
1.399 www 2348: $found=1;
1.500 foxr 2349: last; # Only need to find the first.
1.398 www 2350: }
2351: }
2352: }
1.500 foxr 2353: if ($found) {
2354: last; # Done on any match of include or exclude.
2355: }
1.398 www 2356: }
1.500 foxr 2357: # If $render not true skip the entire block until </languageblock>
2358: #
2359:
2360: if ( ! $render ) {
1.201 albertel 2361: my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
2362: $style);
2363: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2364: }
1.500 foxr 2365: # If $render is true, we've not skipped the contents of the <languageglock>
2366: # and the normal loncapa processing flow will render it as a matter of course.
2367:
1.167 www 2368: } elsif ($target eq 'edit') {
2369: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2370: $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
1.167 www 2371: $token,40);
1.211 albertel 2372: $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
1.167 www 2373: $token,40);
2374: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2375: } elsif ($target eq 'modified') {
2376: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.168 albertel 2377: $safeeval,'include',
2378: 'exclude');
1.167 www 2379: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2380: }
2381: return $result;
2382: }
2383:
2384: sub end_languageblock {
1.170 www 2385: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2386: my $result;
1.201 albertel 2387: if ($target eq "edit") {
1.170 www 2388: $result.= &Apache::edit::tag_end($target,$token,'');
2389: }
2390: return $result;
2391: }
1.500 foxr 2392: # languagblock specific tags:
2393: {
2394: # For chunks of a resource that has translations, this hash contains
2395: # the translations available indexed by language name.
2396: #
2397:
2398: my %available_texts;
1.170 www 2399:
1.500 foxr 2400: # <translated> starts a block of a resource that has multiple translations.
2401: # See the <lang> tag as well.
2402: # When </translated> is encountered if there is a translation for the
2403: # currently preferred language, that is rendered inthe web/tex/webgrade
2404: # targets. Otherwise, the default text is rendered.
2405: #
2406: # Note that <lang> is only registered for the duration of the
2407: # <translated>...</translated> block
2408: #
2409: # Pathalogical case handling:
2410: # - If there is no <lang> that specifies a 'default' and there is no
2411: # translation that matches a preferred language, nothing is rendered.
2412: # - Nested <translated>...</translated> might be linguistically supported by
2413: # XML due to the stack nature of tag registration(?) however the rendered
2414: # output will be incorrect because there is only one %available_texts
2415: # has and end_translated clears it.
2416: # - Material outside of a <lang>...</lang> block within the
2417: # <translated>...<translated> block won't render either e.g.:
2418: # <translated>
2419: # The following will be in your preferred langauge:
2420: # <lang which='en'>
2421: # This section in english
2422: # </lang>
2423: # <lang which='sgeiso'>
2424: # Hier es ist auf Deutsch.
2425: # </lang>
2426: # <lang which='sfriso'>
2427: # En Francais
2428: # </lang>
2429: # </translated>
2430: #
2431: # The introductory text prior to the first <lang> tag is not rendered.
2432: #
1.397 albertel 2433: sub start_translated {
2434: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2435: &Apache::lonxml::register('Apache::structuretags',('lang'));
2436: undef(%available_texts);
2437: }
2438:
2439: sub end_translated {
2440: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2441: my $result;
2442: #show the translation on viewable targets
2443: if ($target eq 'web' || $target eq 'tex' || $target eq 'webgrade'||
2444: # or non-viewable targets, if it's embedded in something that
2445: # wants the output
2446: (($target eq 'answer' || $target eq 'analyze'|| $target eq 'grade')
2447: && &Apache::lonxml::in_redirection() ) ) {
2448: my @possibilities = keys(%available_texts);
2449: my $which =
2450: &Apache::loncommon::languages(\@possibilities) || 'default';
1.500 foxr 2451: if ($target eq 'tex') {
2452: $result = &select_hyphenation($which);
2453: }
2454: $result .= $available_texts{$which};
2455: if ($target eq 'tex') {
2456: $result .= &select_metadata_hyphenation(); # Restore original language.
2457: }
1.397 albertel 2458: }
2459: undef(%available_texts);
2460: &Apache::lonxml::deregister('Apache::structuretags',('lang'));
2461: return $result;
2462: }
2463:
1.500 foxr 2464: # <lang [which='language-name'] [other='lang1,lang2...']>
2465: # Specifies that the block contained within it is a translation
2466: # for a specific language specified by the 'which' attribute. The
2467: # 'other' attribute can be used by itself or in conjunction with
2468: # which to specify this tag _may_ be used as a translation for some
2469: # list of languages. e.g.: <lang which='senisoUS' other='senisoCA,senisoAU,seniso'>
2470: # specifying that the block provides a translation for US (primary)
2471: # Canadian, Australian and UK Englush.
2472: #
2473: # Comment: this seems a bit silly why not just support a list of languages
2474: # e.g. <lang which='l1,l2...'> and ditch the other attribute?
2475: #
2476: # Effect:
2477: # The material within the <lang>..</lang> block is stored in the
2478: # specified set of $available_texts hash entries, the appropriate one
2479: # is selected at </translated> time.
2480: #
2481: # Pathalogical case handling:
2482: # If a language occurs multiple times within a <translated> block,
2483: # only the last one is rendered e.g.:
2484: #
2485: # <translated>
2486: # <lang which='senisoUS', other='senisoCA,senisoAU,seniso'>
2487: # Red green color blindness is quite common affecting about 7.8% of
2488: # the male population, but onloy about .65% of the female population.
2489: # </lang>
2490: # Red green colour blindness is quite common affecting about 7.8% of
2491: # the male population, but onloy about .65% of the female population.
2492: # <lang which='seniso', other='senisoCA,senisoAU'>
2493: # </translated>
2494: #
2495: # renders the correct spelling of color (colour) for people who have specified
2496: # a preferred language that is one of the British Commonwealth languages
2497: # even though those are also listed as valid selections for the US english
2498: # <lang> block.
2499: #
1.397 albertel 2500: sub start_lang {
2501: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2502: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2503: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2504: &Apache::lonxml::startredirection();
2505: }
2506: return '';
2507: }
2508:
2509: sub end_lang {
2510: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
2511: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2512: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
2513: my $result = &Apache::lonxml::endredirection();
2514: my $which = &Apache::lonxml::get_param('which',$parstack,
2515: $safeeval);
1.431 raeburn 2516: if ($which=~/\w/) {
2517: $available_texts{$which} = $result;
2518: }
2519: my $otherlangs = &Apache::lonxml::get_param('other',$parstack,
2520: $safeeval);
2521: foreach my $language (split(/\s*\,\s*/,$otherlangs)) {
2522: if ($language=~/\w/) {
2523: $available_texts{$language} = $result;
2524: }
1.427 bisitz 2525: }
2526:
1.397 albertel 2527: }
2528: return '';
2529: }
1.500 foxr 2530: } # end langauge block specific tags.
2531:
1.397 albertel 2532:
1.170 www 2533: sub start_instructorcomment {
1.201 albertel 2534: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.170 www 2535:
2536: my $result;
2537:
1.339 albertel 2538: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2539: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.468 raeburn 2540: $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
1.284 albertel 2541: if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
1.201 albertel 2542: my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
2543: $parser,$style);
1.170 www 2544: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
2545: }
2546: $result='';
2547: } elsif ($target eq 'edit') {
2548: $result .=&Apache::edit::tag_start($target,$token);
2549: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2550: }
2551: return $result;
2552: }
2553:
2554: sub end_instructorcomment {
1.159 albertel 2555: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2556: my $result;
2557: if ($target eq "edit") {
2558: $result.= &Apache::edit::tag_end($target,$token,'');
2559: }
2560: return $result;
1.4 tsai 2561: }
2562:
2563: sub start_while {
1.326 albertel 2564: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2565:
1.160 albertel 2566: my $result;
1.339 albertel 2567: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2568: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2569: my $code = $token->[2]->{'condition'};
1.4 tsai 2570:
1.160 albertel 2571: push( @Apache::structuretags::whileconds, $code);
2572: if (!$Apache::lonxml::default_homework_loaded) {
2573: &Apache::lonxml::default_homework_load($safeeval);
2574: }
2575: my $result = &Apache::run::run($code,$safeeval);
1.326 albertel 2576: my $bodytext=&Apache::lonxml::get_all_text("/while",$parser,$style);
1.160 albertel 2577: push( @Apache::structuretags::whilebody, $bodytext);
1.161 albertel 2578: push( @Apache::structuretags::whileline, $token->[5]);
2579: &Apache::lonxml::debug("s code $code got -$result-");
1.160 albertel 2580: if ( $result ) {
2581: &Apache::lonxml::newparser($parser,\$bodytext);
2582: }
2583: } elsif ($target eq 'edit') {
2584: $result .=&Apache::edit::tag_start($target,$token);
1.211 albertel 2585: $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
1.160 albertel 2586: $token,40);
2587: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2588: } elsif ($target eq 'modified') {
2589: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2590: $safeeval,'condition');
2591: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.159 albertel 2592: }
1.160 albertel 2593: return $result;
1.4 tsai 2594: }
2595:
2596: sub end_while {
1.159 albertel 2597: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.160 albertel 2598: my $result;
2599:
1.339 albertel 2600: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2601: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.160 albertel 2602: my $code = pop(@Apache::structuretags::whileconds);
2603: my $bodytext = pop(@Apache::structuretags::whilebody);
1.161 albertel 2604: my $line = pop(@Apache::structuretags::whileline);
2605: my $return = &Apache::run::run($code,$safeeval);
2606: my $starttime=time;
2607: my $error=0;
2608: while ($return) {
2609: if (time-$starttime >
2610: $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
1.378 albertel 2611: $return = 0; $error=1; next;
1.161 albertel 2612: }
2613: $result.=&Apache::scripttag::xmlparse($bodytext);
1.380 albertel 2614: if ($target eq 'grade' || $target eq 'answer' ||
2615: $target eq 'analyze') {
2616: # grade/answer/analyze should produce no output but if we
2617: # are redirecting, the redirecter should know what to do
2618: # with the output
2619: if (!$Apache::lonxml::redirection) { undef($result); }
2620: }
1.161 albertel 2621: $return = &Apache::run::run($code,$safeeval);
2622: }
1.516 bisitz 2623: if ($error) {
2624: &Apache::lonxml::error(
2625: '<pre>'
2626: .&mt('Code ran too long. It ran for more than [_1] seconds.',
2627: $Apache::lonnet::perlvar{'lonScriptTimeout'})
2628: .&mt('This occurred while running <while> on line [_1].',
2629: $line)
2630: .'</pre>');
2631: }
1.160 albertel 2632: } elsif ($target eq "edit") {
2633: $result.= &Apache::edit::tag_end($target,$token,'');
1.159 albertel 2634: }
1.160 albertel 2635: return $result;
1.1 albertel 2636: }
1.6 tsai 2637:
1.160 albertel 2638: # <randomlist show="1">
1.6 tsai 2639: # <tag1>..</tag1>
2640: # <tag2>..</tag2>
2641: # <tag3>..</tag3>
1.160 albertel 2642: # ...
1.6 tsai 2643: # </randomlist>
2644: sub start_randomlist {
1.326 albertel 2645: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 2646: my $result;
1.339 albertel 2647: if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
2648: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.331 albertel 2649: my $body= &Apache::lonxml::get_all_text("/randomlist",$parser);
1.305 albertel 2650: my $b_parser= HTML::LCParser->new(\$body);
2651: $b_parser->xml_mode(1);
2652: $b_parser->marked_sections(1);
1.159 albertel 2653: my $b_tok;
2654: my @randomlist;
2655: my $list_item;
2656: while($b_tok = $b_parser->get_token() ) {
2657: if($b_tok->[0] eq 'S') { # start tag
2658: # get content of the tag until matching end tag
2659: # get all text upto the matching tag
2660: # and push the content into @randomlist
2661: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],
2662: $b_parser);
2663: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
2664: push(@randomlist,$list_item);
2665: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4],
2666: # $list_item</b>";
2667: }
2668: if($b_tok->[0] eq 'T') { # text
2669: # what to do with text in between tags?
2670: # print "<b>TEXT $b_tok->[1]</b><br />";
2671: }
2672: # if($b_tok->[0] eq 'E') { # end tag, should not happen
2673: # print "<b>END-TAG $b_tok->[1]</b><br />";
2674: # }
2675: }
1.303 albertel 2676: if (@randomlist) {
2677: my @idx_arr = (0 .. $#randomlist);
2678: &Apache::structuretags::shuffle(\@idx_arr);
2679: my $bodytext = '';
2680: my $show=$#randomlist;
2681: my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
2682: $showarg--;
2683: if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; }
1.439 raeburn 2684: if (($target eq 'analyze') && ($env{'form.check_parts_withrandomlist'})) {
2685: my @currlist;
2686: my $part = $Apache::inputtags::part;
2687: if ($part ne '') {
2688: if (ref($Apache::lonhomework::analyze{'parts_withrandomlist'}) eq 'ARRAY') {
2689: my @currlist = @{$Apache::lonhomework::analyze{'parts_withrandomlist'}};
2690: if (!(grep(/^\Q$part\E$/,@currlist))) {
2691: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2692: }
2693: } else {
2694: push(@{$Apache::lonhomework::analyze{'parts_withrandomlist'}},$part);
2695: }
2696: }
2697: }
1.526 raeburn 2698: for my $i (0 .. $show) {
2699: $bodytext .= "$randomlist[ $idx_arr[$i] ]";
1.303 albertel 2700: }
2701: &Apache::lonxml::newparser($parser,\$bodytext);
1.159 albertel 2702: }
2703: } elsif ($target eq 'edit' ) {
2704: $result .=&Apache::edit::tag_start($target,$token);
2705: $result .=&Apache::edit::text_arg('Maximum Tags to Show:','show',
2706: $token,5);
2707: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
2708: } elsif ($target eq 'modified' ) {
2709: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
2710: $safeeval,'show');
2711: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
2712: }
2713: return $result;
1.7 tsai 2714: }
2715:
2716: sub shuffle {
2717: my $a=shift;
2718: my $i;
1.303 albertel 2719: if (ref($a) eq 'ARRAY' && @$a) {
1.251 albertel 2720: &Apache::response::pushrandomnumber();
1.159 albertel 2721: for($i=@$a;--$i;) {
2722: my $j=int(&Math::Random::random_uniform() * ($i+1));
2723: next if $i == $j;
2724: @$a[$i,$j] = @$a[$j,$i];
2725: }
1.251 albertel 2726: &Apache::response::poprandomnumber();
1.7 tsai 2727: }
1.6 tsai 2728: }
2729:
2730: sub end_randomlist {
1.159 albertel 2731: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2732: my $result;
2733: if ($target eq 'edit' ) {
2734: $result=&Apache::edit::tag_end($target,$token,
2735: 'End Randomly Parsed Block');
2736: }
2737: return $result;
1.6 tsai 2738: }
2739:
1.283 albertel 2740: sub ordered_show_check {
2741: my $last_part=$Apache::inputtags::partlist[-2];
2742: my $in_order=
2743: &Apache::lonnet::EXT('resource.'.$Apache::inputtags::part.'.ordered');
2744: my $in_order_show=1;
2745: if ($last_part ne '0' && lc($in_order) eq 'yes') {
2746: $in_order_show=&Apache::response::check_status($last_part);
2747: }
2748: return $in_order_show;
2749: }
2750:
1.469 www 2751:
2752: sub start_startpartmarker {
2753: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2754: my $result='';
2755: if ($target eq 'edit') {
2756: $result=&Apache::edit::tag_start($target,$token);
2757: $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
2758: $result.=&Apache::edit::end_table();
2759:
2760: }
2761: return $result;
2762: }
2763:
2764: sub end_startpartmarker {
2765: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2766: my @result;
2767: if ($target eq 'edit') { $result[1]='no'; }
2768: return @result;
2769: }
2770:
2771: sub start_endpartmarker {
2772: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2773: my $result='';
2774: if ($target eq 'edit') {
2775: $result=&Apache::edit::tag_start($target,$token);
2776: $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
2777: $result.=&Apache::edit::end_table();
2778:
2779: }
2780: return $result;
2781: }
2782:
2783: sub end_endpartmarker {
2784: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2785: my @result;
2786: if ($target eq 'edit') { $result[1]='no'; }
2787: return @result;
2788: }
2789:
2790:
2791:
2792:
2793:
1.11 albertel 2794: sub start_part {
1.326 albertel 2795: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.321 albertel 2796: if (!$Apache::lonxml::metamode) {
2797: &Apache::lonxml::startredirection(); # we'll use redirection to fix up
2798: # duedates.
2799: }
1.159 albertel 2800: my $result='';
1.386 albertel 2801: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.159 albertel 2802: $Apache::inputtags::part=$id;
1.177 albertel 2803: push(@Apache::inputtags::partlist,$id);
2804: @Apache::inputtags::response=();
1.159 albertel 2805: @Apache::inputtags::previous=();
2806: @Apache::inputtags::previous_version=();
1.405 albertel 2807: &Apache::lonhomework::set_show_problem_status(&get_problem_status($id));
1.403 albertel 2808: &Apache::response::reset_params();
2809:
1.159 albertel 2810: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.259 albertel 2811: my $newtype=&Apache::lonnet::EXT("resource.$id.type");
2812: if ($newtype) { $Apache::lonhomework::type=$newtype; }
1.528 raeburn 2813: if ($Apache::lonhomework::type eq 'randomizetry') {
2814: my $rndseed=&setup_rndseed($safeeval,$target);
2815: if (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2816: $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
1.528 raeburn 2817: }
2818: } elsif (($target eq 'grade') && &Apache::response::submitted()) {
1.529 raeburn 2819: $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
1.528 raeburn 2820: }
1.283 albertel 2821: my $in_order_show=&ordered_show_check();
1.214 albertel 2822: my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
1.259 albertel 2823: $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
1.209 albertel 2824: &Apache::run::run($expression,$safeeval);
1.159 albertel 2825:
2826: if ($target eq 'meta') {
1.224 www 2827: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
2828: return &Apache::response::mandatory_part_meta.
2829: &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
1.159 albertel 2830: } elsif ($target eq 'web' || $target eq 'grade' ||
2831: $target eq 'answer' || $target eq 'tex') {
1.283 albertel 2832: if ($hidden || !$in_order_show) {
1.326 albertel 2833: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,$style);
1.159 albertel 2834: } else {
2835: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
2836: push (@Apache::inputtags::status,$status);
2837: my $expression='$external::datestatus="'.$status.'";';
2838: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
2839: &Apache::run::run($expression,$safeeval);
1.284 albertel 2840: if ($env{'request.state'} eq 'construct') {
1.241 albertel 2841: &set_problem_state($Apache::inputtags::part);
1.240 albertel 2842: }
1.216 albertel 2843: if (( $status eq 'CLOSED' ) ||
2844: ( $status eq 'UNCHECKEDOUT') ||
1.252 albertel 2845: ( $status eq 'NOT_YET_VIEWED') ||
1.216 albertel 2846: ( $status eq 'BANNED') ||
2847: ( $status eq 'UNAVAILABLE') ||
2848: ( $status eq 'INVALID_ACCESS')) {
1.326 albertel 2849: my $bodytext=&Apache::lonxml::get_all_text("/part",$parser,
2850: $style);
1.159 albertel 2851: if ( $target eq "web" ) {
1.211 albertel 2852: $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
1.159 albertel 2853: } elsif ( $target eq 'tex' ) {
1.284 albertel 2854: if (not $env{'form.problem_split'}=~/yes/) {
1.211 albertel 2855: $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
1.195 sakharuk 2856: } else {
1.211 albertel 2857: $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
1.195 sakharuk 2858: }
1.159 albertel 2859: }
2860: } else {
2861: if ($target eq 'tex') {
1.284 albertel 2862: if (not $env{'form.problem_split'}=~/yes/) {
1.264 sakharuk 2863: if ($$tagstack[-2] eq 'td') {
1.388 foxr 2864: $result.='\noindent \begin{minipage}{\textwidth}\noindent';
1.264 sakharuk 2865: } else {
2866: $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
2867: }
1.195 sakharuk 2868: }
1.159 albertel 2869: my $weight = &Apache::lonnet::EXT("resource.$id.weight");
1.284 albertel 2870: my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
1.526 raeburn 2871: my @allkeys = split(/,/,$allkeys);
1.222 sakharuk 2872: my $allow_print_points = 0;
2873: foreach my $partial_key (@allkeys) {
1.230 albertel 2874: if ($partial_key=~m/^part_(.*)$/) {
1.222 sakharuk 2875: if ($1 ne '0') {$allow_print_points=1;}
2876: }
2877: }
1.275 albertel 2878: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
2879: if (defined($maxtries) && $maxtries < 0) {
2880: $allow_print_points=0;
2881: }
1.302 albertel 2882: if (lc($env{'course.'.$env{'request.course.id'}.
2883: '.disableexampointprint'}) eq 'yes') {
2884: $allow_print_points=0;
2885: }
1.463 foxr 2886: if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) {
1.492 christia 2887: $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}';
1.463 foxr 2888:
2889: }
1.233 www 2890: } elsif ($target eq 'web') {
1.479 raeburn 2891: if ($status eq 'CAN_ANSWER') {
2892: my $problemstatus = &get_problem_status($Apache::inputtags::part);
2893: my $probrandomize = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].type");
2894: my $probrandtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].randomizeontries");
2895: my $num = scalar(@Apache::inputtags::partlist)-1;
2896: if ($probrandomize eq 'randomizetry') {
2897: if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") ne 'randomizetry') {
2898: $result .= &randomizetry_part_header($problemstatus,'none',$num);
2899: } else {
2900: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2901: if ($probrandtries ne $reqtries) {
2902: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2903: }
2904: }
2905: } elsif (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") eq 'randomizetry') {
2906: my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
2907: $result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
2908: }
2909: }
1.475 raeburn 2910: $result.='<a name="'.&escape($Apache::inputtags::part).'" ></a>';
1.159 albertel 2911: }
2912: }
2913: }
2914: } elsif ($target eq 'edit') {
2915: $result.=&Apache::edit::tag_start($target,$token);
2916: $result.=&Apache::edit::text_arg('Part ID:','id',$token).
2917: &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
1.224 www 2918: ' '.
2919: &Apache::edit::text_arg('Displayed Part Description:','display',$token).
1.159 albertel 2920: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
2921: } elsif ($target eq 'modified') {
2922: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.225 albertel 2923: $safeeval,'id','display');
1.159 albertel 2924: if ($constructtag) {
1.225 albertel 2925: #limiting ids to only letters numbers, and space
1.224 www 2926: $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
1.159 albertel 2927: $result = &Apache::edit::rebuild_tag($token);
2928: }
2929: }
2930: return $result;
1.11 albertel 2931: }
2932:
2933: sub end_part {
1.159 albertel 2934: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
2935: &Apache::lonxml::debug("in end_part $target ");
2936: my $status=$Apache::inputtags::status['-1'];
2937: my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
1.283 albertel 2938: my $in_order_show=&ordered_show_check();
1.321 albertel 2939: my $result;
2940: if (!$Apache::lonxml::metamode) {
2941: $result = &Apache::lonxml::endredirection(); # started in &start_part
1.329 albertel 2942: $Apache::lonxml::post_evaluate=0;
1.321 albertel 2943: }
1.312 albertel 2944: if ($target eq 'grade') {
1.249 albertel 2945: if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
1.283 albertel 2946: !$hidden && $in_order_show) {
1.311 foxr 2947: $result.=&Apache::inputtags::grade;
1.249 albertel 2948: } else {
2949: # move any submission data to .hidden
2950: &Apache::inputtags::hidealldata($Apache::inputtags::part);
2951: }
1.283 albertel 2952: } elsif (($target eq 'web' || $target eq 'tex') &&
2953: !$hidden && $in_order_show) {
1.159 albertel 2954: my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
2955: $target);
1.490 raeburn 2956: if (($Apache::lonhomework::type eq 'exam' && $target eq 'tex') ||
2957: ($env{'form.grade_imsexport'})) {
1.212 albertel 2958: $gradestatus='';
2959: }
1.311 foxr 2960: $result.=$gradestatus;
1.265 sakharuk 2961: if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
1.181 albertel 2962: } elsif ($target eq 'edit') {
1.311 foxr 2963: $result.=&Apache::edit::end_table();
1.322 albertel 2964: } elsif ($target eq 'modified') {
2965: $result .= $token->[2];
1.159 albertel 2966: }
2967: pop @Apache::inputtags::status;
2968: $Apache::inputtags::part='';
1.295 albertel 2969: $Apache::lonhomework::type = $Apache::lonhomework::default_type;
1.159 albertel 2970: return $result;
1.11 albertel 2971: }
1.1 albertel 2972:
1.25 albertel 2973: sub start_preduedate {
1.326 albertel 2974: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.339 albertel 2975: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
2976: $target eq 'tex' || $target eq 'webgrade') {
1.236 albertel 2977: &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
1.300 albertel 2978: if (!$Apache::lonhomework::scantronmode &&
2979: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1.236 albertel 2980: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
2981: &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
1.326 albertel 2982: &Apache::lonxml::get_all_text("/preduedate",$parser,$style);
1.159 albertel 2983: }
1.24 albertel 2984: }
1.159 albertel 2985: return '';
1.24 albertel 2986: }
2987:
1.25 albertel 2988: sub end_preduedate {
1.159 albertel 2989: return '';
1.24 albertel 2990: }
2991:
1.369 foxr 2992: # In all the modes where <postanswerdate> text is
2993: # displayable, all we do is eat up the text between the start/stop
2994: # tags if the conditions are not right to display it.
1.25 albertel 2995: sub start_postanswerdate {
1.326 albertel 2996: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.370 foxr 2997: my $pav = &Apache::lonnet::allowed('pav', $env{'request.course.id'}) ||
2998: &Apache::lonnet::allowed('pav',
2999: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1.369 foxr 3000: if ($target eq 'web' || $target eq 'grade' || $target eq 'webgrade' ||
1.370 foxr 3001: $target eq 'tex' ) {
1.300 albertel 3002: if ($Apache::lonhomework::scantronmode ||
1.370 foxr 3003: $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER' ||
3004: (($target eq 'tex') && !$pav)) {
1.326 albertel 3005: &Apache::lonxml::get_all_text("/postanswerdate",$parser,$style);
1.159 albertel 3006: }
3007: }
3008: return '';
1.24 albertel 3009: }
3010:
1.25 albertel 3011: sub end_postanswerdate {
1.159 albertel 3012: return '';
1.24 albertel 3013: }
3014:
1.25 albertel 3015: sub start_notsolved {
1.326 albertel 3016: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3017: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.339 albertel 3018: $target eq 'tex' || $target eq 'webgrade') {
1.159 albertel 3019: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
3020: &Apache::lonxml::debug("not solved has :$gradestatus:");
1.239 albertel 3021: if ($gradestatus =~ /^correct/ &&
3022: &Apache::response::show_answer()) {
1.159 albertel 3023: &Apache::lonxml::debug("skipping");
1.326 albertel 3024: &Apache::lonxml::get_all_text("/notsolved",$parser,$style);
1.159 albertel 3025: }
1.24 albertel 3026: }
1.159 albertel 3027: return '';
1.24 albertel 3028: }
3029:
1.25 albertel 3030: sub end_notsolved {
1.159 albertel 3031: return '';
1.24 albertel 3032: }
3033:
3034: sub start_solved {
1.326 albertel 3035: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3036: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3037: $target eq 'tex') {
3038: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
1.239 albertel 3039: if ($gradestatus !~ /^correct/ ||
3040: !&Apache::response::show_answer()) {
1.326 albertel 3041: &Apache::lonxml::get_all_text("/solved",$parser,$style);
1.159 albertel 3042: }
1.24 albertel 3043: }
1.159 albertel 3044: return '';
1.24 albertel 3045: }
3046:
3047: sub end_solved {
1.248 albertel 3048: return '';
3049: }
3050:
3051: sub start_problemtype {
1.326 albertel 3052: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.248 albertel 3053: my $result;
1.339 albertel 3054: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
3055: $target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
1.248 albertel 3056: my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
3057: if (!defined($mode)) { $mode='show'; }
3058: my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
3059: my $found=0;
3060: foreach my $type (split(',',$for)) {
3061: if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
3062: }
3063: if ($mode eq 'show' && !$found) {
1.326 albertel 3064: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3065: }
3066: if ($mode eq 'hide' && $found) {
1.326 albertel 3067: &Apache::lonxml::get_all_text("/problemtype",$parser,$style);
1.248 albertel 3068: }
3069: } elsif ($target eq 'edit') {
3070: $result .=&Apache::edit::tag_start($target,$token);
3071: $result.=&Apache::edit::select_arg('Mode:','mode',
3072: [['show','Show'],
3073: ['hide','Hide']]
3074: ,$token);
3075: $result .=&Apache::edit::checked_arg('When used as type(s):','for',
1.511 bisitz 3076: [ ['exam','Bubblesheet Exam/Quiz Problem'],
1.248 albertel 3077: ['survey','Survey'],
1.465 raeburn 3078: ['surveycred','Survey (with credit)'],
3079: ['anonsurvey','Anonymous Survey'],
3080: ['anonsurveycred','Anonymous Survey (with credit)'],
1.428 raeburn 3081: ['problem','Homework Problem'],
1.479 raeburn 3082: ['practice','Practice Problem'],
3083: ['randomizetry','New Randomization Each Try'] ]
1.248 albertel 3084: ,$token);
3085: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
3086: } elsif ($target eq 'modified') {
3087: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3088: $safeeval,'mode','for');
3089: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3090: }
3091: return $result;
3092: }
3093:
3094: sub end_problemtype {
1.159 albertel 3095: return '';
1.24 albertel 3096: }
1.34 albertel 3097:
3098: sub start_startouttext {
1.159 albertel 3099: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3100: my @result=(''.'');
3101: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
1.404 albertel 3102:
3103: my $nesting =
3104: &Apache::lonxml::set_state('outtext',
3105: &Apache::lonxml::get_state('outtext')+1);
3106: if ($nesting > 1 && $env{'request.state'} eq 'construct') {
3107: &Apache::lonxml::error("Nesting of <startouttext /> not allowed, on line ".$token->[5]);
3108: }
1.159 albertel 3109: return (@result);
1.34 albertel 3110: }
1.159 albertel 3111:
1.34 albertel 3112: sub end_startouttext {
1.326 albertel 3113: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.159 albertel 3114: my $result='';
3115: my $text='';
3116: if ($target eq 'edit') {
1.424 foxr 3117: my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
1.326 albertel 3118: $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.527 golterma 3119: $result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()
3120: ." ".&mt('Text Block')."</td>"
1.438 bisitz 3121: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.437 raeburn 3122: .&Apache::edit::deletelist($target,$token)
1.474 raeburn 3123: .'</span></td>'
1.515 golterma 3124: .'<td><span id="math_'.$areaid.'">'
1.474 raeburn 3125: .&Apache::lonhtmlcommon::dragmath_button($areaid,1)
1.512 bisitz 3126: .'</span></td>'
1.474 raeburn 3127: .'<td>'
3128: .&Apache::edit::insertlist($target,$token)
3129: .'</td>'
1.515 golterma 3130: .'<td class="LC_edit_problem_latexhelper">' .
1.474 raeburn 3131: &Apache::loncommon::helpLatexCheatsheet().
1.159 albertel 3132: &Apache::edit::end_row().
1.362 albertel 3133: &Apache::edit::start_spanning_row()."\n".
1.255 www 3134: &Apache::edit::editfield($token->[1],$text,"",80,8,1);
1.159 albertel 3135: }
3136: if ($target eq 'modified') {
1.219 albertel 3137: $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
1.159 albertel 3138: }
3139: if ($target eq 'tex') {
3140: $result .= '\noindent ';
3141: }
3142: return $result;
1.34 albertel 3143: }
1.159 albertel 3144:
1.34 albertel 3145: sub start_endouttext {
1.159 albertel 3146: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3147: my $result='';
3148: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
3149: if ($target eq "modified") {
3150: $result='<endouttext />'.
1.377 albertel 3151: &Apache::edit::handle_insertafter('startouttext');
3152: }
1.404 albertel 3153:
3154: my $nesting =
3155: &Apache::lonxml::set_state('outtext',
3156: &Apache::lonxml::get_state('outtext')-1);
3157: if ($nesting < 0 && $env{'request.state'} eq 'construct') {
3158: &Apache::lonxml::error(" Extraneous <endouttext /> not allowed on line ".$token->[5]);
3159: &Apache::lonxml::set_state('outtext', 0);
3160: }
1.159 albertel 3161: return $result;
1.34 albertel 3162: }
1.159 albertel 3163:
1.34 albertel 3164: sub end_endouttext {
1.159 albertel 3165: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3166: my @result=('','');
3167: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
3168: return (@result);
1.34 albertel 3169: }
1.159 albertel 3170:
1.45 albertel 3171: sub delete_startouttext {
1.326 albertel 3172: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
3173: # my $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
1.159 albertel 3174: my $text=$$parser['-1']->get_text("/endouttext");
3175: my $ntoken=$$parser['-1']->get_token();
3176: &Apache::lonxml::debug("Deleting :$text: and :$ntoken->[0]:$ntoken->[1]:$ntoken->[2]: for startouttext");
3177: &Apache::lonxml::end_tag($tagstack,$parstack,$ntoken);
3178: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
3179: # they did the last time round
3180: &Apache::lonxml::increasedepth($ntoken);
3181: &Apache::lonxml::decreasedepth($ntoken);
3182: return 1;
1.193 www 3183: }
3184:
3185: sub start_simpleeditbutton {
3186: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
3187: my $result='';
1.284 albertel 3188: if (($env{'form.simple_edit_button'} ne 'off') &&
1.273 albertel 3189: ($target eq 'web') &&
1.330 albertel 3190: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.284 albertel 3191: my $url=$env{'request.noversionuri'};
1.193 www 3192: $url=~s/\?.*$//;
1.367 albertel 3193: my ($symb) = &Apache::lonnet::whichuser();
1.451 bisitz 3194: # Warning makes more sense and is more important on edit screen
1.442 bisitz 3195: # $result='<p class="LC_warning">'
3196: # .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
3197: # .&Apache::loncommon::help_open_topic('Caching')
3198: # .'</p>';
1.486 www 3199: $result.=&Apache::loncommon::head_subbox(
3200: &Apache::lonhtmlcommon::start_funclist()
1.451 bisitz 3201: .&Apache::lonhtmlcommon::add_item_funclist(
3202: '<a href="'.$url.'/smpedit?symb='.&escape($symb).'">'
3203: .&mt('Edit').'</a>')
1.486 www 3204: .&Apache::lonhtmlcommon::end_funclist());
1.442 bisitz 3205:
1.193 www 3206: }
3207: return $result;
3208: }
3209:
3210: sub end_simpleeditbutton {
3211: return '';
1.45 albertel 3212: }
1.34 albertel 3213:
1.428 raeburn 3214: sub practice_problem_header {
3215: return '<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.
3216: '<span class="LC_info">'.&mt('Submissions are not permanently recorded').
3217: '</span>';
3218: }
3219:
1.479 raeburn 3220: sub randomizetry_problem_header {
3221: my ($problemstatus,$reqtries) = @_;
3222: my ($header,$text);
3223: if ($reqtries > 1) {
3224: $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
3225: if (($problemstatus eq 'no') ||
3226: ($problemstatus eq 'no_feedback_ever')) {
3227: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3228: } else {
3229: $text = &mt('A new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3230: }
3231: } else {
3232: $header = &mt('New Problem Variation Each Try');
3233: if (($problemstatus eq 'no') ||
3234: ($problemstatus eq 'no_feedback_ever')) {
3235: $text = &mt('A new variation will be generated after each try until the tries limit is reached.');
3236:
3237: } else {
3238: $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
3239: }
3240: }
3241: return '<span class="LC_info"><h3>'.$header.'</h3></span>'.
3242: '<span class="LC_info">'.$text.'</span><hr />';
3243: }
3244:
3245: sub randomizetry_part_header {
3246: my ($problemstatus,$reqtries,$num) = @_;
3247: my ($header,$text);
3248: if ($reqtries eq 'none') {
3249: $header = &mt('No Question Variation');
3250: $text = &mt('For this question there will no new variation after a try.');
3251: } elsif ($reqtries > 1) {
3252: $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
3253: if (($problemstatus eq 'no') ||
3254: ($problemstatus eq 'no_feedback_ever')) {
3255: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until the tries limit is reached.',$reqtries);
3256: } else {
3257: $text = &mt('For this question a new variation will be generated after every [quant,_1,try,tries], until correct or tries limit is reached.',$reqtries);
3258: }
3259: } else {
3260: $header = &mt('New Question Variation For Each Try');
3261: if (($problemstatus eq 'no') ||
3262: ($problemstatus eq 'no_feedback_ever')) {
3263: $text = &mt('For this question a new variation will be generated after each try until the tries limit is reached.');
3264: } else {
3265: $text = &mt('For this question a new variation will be generated after each try until correct or tries limit is reached.');
3266: }
3267: }
3268: my $output;
3269: if ($num > 1) {
3270: $output .= '<hr />';
3271: }
3272: $output .= '<span class="LC_info"><h4>'.$header.'</h4></span>'.
3273: '<span class="LC_info">'.$text.'</span><br /><br />';
3274: return $output;
3275: }
3276:
1.1 albertel 3277: 1;
3278: __END__
1.435 jms 3279:
3280: =pod
3281:
3282: =back
3283:
3284: =cut
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