1: # The LearningOnline Network with CAPA
2: # Routines to control the menu
3: #
4: # $Id: lonmenu.pm,v 1.284 2009/10/06 14:06:12 droeschl Exp $
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: #
28: #
29: # There is one parameter controlling the action of this module:
30: #
31: # environment.remote - if this is 'on', the routines controll the remote
32: # control, otherwise they render the main window controls;
33:
34: =head1 NAME
35:
36: Apache::lonmenu
37:
38: =head1 SYNOPSIS
39:
40: Coordinates the response to clicking an image.
41:
42: This is part of the LearningOnline Network with CAPA project
43: described at http://www.lon-capa.org.
44:
45: =head1 SUBROUTINES
46:
47: =over
48:
49: Little texts
50:
51: =item initlittle()
52:
53: =item menubuttons()
54:
55: This gets called at the top of the body section
56:
57: =item show_return_link()
58:
59: =item registerurl()
60:
61: This gets called in the header section
62:
63: =item innerregister()
64:
65: This gets called in order to register a URL, both with the Remote
66: and in the body of the document
67:
68: =item loadevents()
69:
70: =item unloadevents()
71:
72: =item startupremote()
73:
74: =item setflags()
75:
76: =item maincall()
77:
78: =item load_remote_msg()
79:
80: =item get_menu_name()
81:
82: =item reopenmenu()
83:
84: =item open()
85:
86: Open the menu
87:
88: =item clear()
89:
90: =item switch()
91:
92: Switch a button or create a link
93: Switch acts on the javascript that is executed when a button is clicked.
94: The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
95:
96: =item secondlevel()
97:
98: =item openmenu()
99:
100: =item inlinemenu()
101:
102: =item rawconfig()
103:
104: =item close()
105:
106: =item footer()
107:
108: =item utilityfunctions()
109:
110: =item serverform()
111:
112: =item constspaceform()
113:
114: =item get_nav_status()
115:
116: =item convert_menu_function()
117:
118: FIXME this needs to move into mydesktab and the other locations
119: the text is generated
120:
121: =item hidden_button_check()
122:
123: =item roles_selector()
124:
125: =item jump_to_role()
126:
127: =back
128:
129: =cut
130:
131: package Apache::lonmenu;
132:
133: use strict;
134: use Apache::lonnet;
135: use Apache::lonhtmlcommon();
136: use Apache::loncommon();
137: use Apache::lonenc();
138: use Apache::lonlocal;
139: use LONCAPA qw(:DEFAULT :match);
140: use HTML::Entities();
141:
142: use vars qw(@desklines %category_names %category_members %category_positions
143: $readdesk @primary_menu @secondary_menu);
144:
145:
146: my @inlineremote;
147:
148: sub prep_menuitem {
149: my $menuitem = shift;
150: return '' unless ref $menuitem eq 'ARRAY';
151: my $link;
152: if ($$menuitem[1]) { # graphical Link
153: $link = "<img class=\"LC_noBorder\""
154: . " src=\"" . Apache::loncommon::lonhttpdurl($$menuitem[1]) . "\""
155: . " alt=\"" . mt($$menuitem[2]) . "\" />";
156: } else { # textual Link
157: $link = mt($$menuitem[3]);
158: }
159: return "<li><a href=\"javascript:$$menuitem[0]\">$link</a></li>";
160: }
161:
162: # primary_menu() evaluates @primary_menu and returns XHTML for the menu
163: # that contains following links:
164: # About, Message, Roles, Help, Logout
165: # @primary_menu is filled within the BEGIN block of this module with
166: # entries from mydesk.tab
167: sub primary_menu {
168: my $menu;
169: # each element of @primary contains following array:
170: # (link url, icon path, alt text, link text, condition)
171: foreach my $menuitem (@primary_menu) {
172: # evaluate conditions
173: next if $$menuitem[4] eq 'nonewmsg' # show links depending on
174: && Apache::lonmsg::mynewmail(); # whether a new msg
175: next if $$menuitem[4] eq 'newmsg' # arrived or not
176: && !Apache::lonmsg::mynewmail(); #
177: next if $$menuitem[4] !~ /public/ ##we've a public user,
178: && $env{'user.name'} eq 'public' ##who should not see all
179: && $env{'user.domain'} eq 'public'; ##links
180: next if $$menuitem[4] eq 'onlypublic'# hide links which are
181: && $env{'user.name'} ne 'public' # only visible to public
182: && $env{'user.domain'} ne 'public'; # users
183: next if $$menuitem[4] eq 'roles' ##show links depending on
184: && Apache::loncommon::show_course(); ##term 'Courses' or
185: next if $$menuitem[4] eq 'courses' ##'Roles' wanted
186: && !Apache::loncommon::show_course(); ##
187:
188:
189: if ($$menuitem[3] eq 'Help') { # special treatment for helplink
190: $menu .= '<li>'.Apache::loncommon::top_nav_help('Help').'</li>';
191: } else {
192: $menu .= prep_menuitem(\@$menuitem);
193: }
194: }
195:
196: return "<ol class=\"LC_smallMenu LC_right\">$menu</ol>";
197: }
198:
199:
200: sub secondary_menu {
201: my $menu;
202:
203: foreach my $menuitem (@secondary_menu) {
204: # evaluate conditions
205: next if $$menuitem[4] ne 'always'
206: && !$env{'request.course.id'};
207: next if $$menuitem[4] eq 'showreturn'
208: && !show_return_link()
209: && !($env{'request.state'} eq 'construct');
210: next if $$menuitem[4] =~ /^mdc/
211: && !Apache::lonnet::allowed('mdc', $env{'request.course.id'});
212: next if $$menuitem[4] =~ /nogrp$/
213: && Apache::loncommon::course_type() eq 'Group';
214: next if $$menuitem[4] =~ /group$/
215: && Apache::loncommon::course_type() ne 'Group';
216: next if $$menuitem[4] eq 'remotenav'
217: && $env{'environment.remotenavmap'} ne 'on';
218: next if $$menuitem[4] eq 'noremotenav'
219: && $env{'environment.remotenavmap'} eq 'on';
220: next if $$menuitem[4] =~ /showgroups$/
221: && !Apache::lonnet::allowed('vcg', $env{'request.course.id'}
222: . ($env{'request.course.sec'} ? "/$env{'request.course.sec'}"
223: : ''))
224: && !Apache::lonnet::get_active_groups(
225: $env{'user.domain'}, $env{'user.name'},
226: $env{'course.' . $env{'request.course.id'} . '.domain'},
227: $env{'course.' . $env{'request.course.id'} . '.num'});
228:
229:
230: if($$menuitem[3] eq 'Roles' && $env{'request.course.id'}) {
231: # special treatment for role selector
232: my $roles_selector = roles_selector(
233: $env{'course.' . $env{'request.course.id'} . '.domain'},
234: $env{'course.' . $env{'request.course.id'} . '.num'} );
235:
236: $menu .= $roles_selector ? "<li>$roles_selector</li>"
237: : '';
238: } else {
239: $menu .= prep_menuitem(\@$menuitem);
240: }
241: }
242: if ($menu =~ /\[url\].*\[symb\]/) {
243: my $escurl = escape( Apache::lonenc::check_encrypt(
244: $env{'request.noversionuri'}));
245:
246: my $escsymb = escape( Apache::lonenc::check_encrypt(
247: $env{'request.symb'}));
248:
249: if ( $env{'request.state'} eq 'construct'
250: and ( $env{'request.noversionuri'} eq ''
251: || !defined($env{'request.noversionuri'})))
252: {
253: ($escurl = $env{'request.filename'}) =~
254: s{^/home/([^/]+)/public_html/(.*)$}{/priv/$1/$2};
255:
256: $escurl = escape($escurl);
257: }
258: $menu =~ s/\[url\]/$escurl/g;
259: $menu =~ s/\[symb\]/$escsymb/g;
260: }
261:
262: return "<ul id=\"LC_TabMainMenuContent\">$menu</ul>";
263: }
264:
265:
266: #
267: # This routine returns a translated hash for the menu items in the top inline menu row
268: # Probably should be in mydesk.tab
269:
270: #SD this sub is deprecated - don't use it
271: sub initlittle {
272: return &Apache::lonlocal::texthash('ret' => 'Return to Last Location',
273: 'nav' => 'Course Contents',
274: 'main' => 'Main Menu',
275: 'roles' => (&Apache::loncommon::show_course()?
276: 'Courses':'Roles'),
277: 'other' => 'Other Roles',
278: 'docs' => 'Edit Course',
279: 'exit' => 'Logout',
280: 'login' => 'Log In',
281: 'launch' => 'Launch Remote Control',
282: 'groups' => 'Groups',
283: 'gdoc' => 'Group Documents',
284: );
285: }
286:
287: #SD this sub is deprecated - don't use it
288: #SD functionality is covered by new loncommon::bodytag and primary_menu(), secondary_menu()
289: sub menubuttons {
290: my $forcereg=shift;
291: my $titletable=shift;
292: #
293: # Early-out for pages that should not have a menu, triggered by query string "inhibitmenu=yes"
294: #
295: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
296: ['inhibitmenu']);
297: if (($env{'form.inhibitmenu'} eq 'yes') ||
298: ($ENV{'REQUEST_URI'} eq '/adm/logout')) { return ''; }
299:
300: if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
301:
302: my %lt=&initlittle();
303: my $navmaps='';
304: my $reloadlink='';
305: my $docs='';
306: my $groups='';
307: my $roles='<a href="/adm/roles" target="_top">'.$lt{'roles'}.'</a>';
308: my $role_selector;
309: my $showgroups=0;
310: my ($cnum,$cdom);
311: #
312: # if the URL is hidden, symbs and the non-versioned version of the URL would be encrypted
313: #
314: my $escurl=&escape(&Apache::lonenc::check_encrypt($env{'request.noversionuri'}));
315: my $escsymb=&escape(&Apache::lonenc::check_encrypt($env{'request.symb'}));
316:
317: my $logo=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/minilogo.gif");
318: $logo = '<a href="/adm/about.html"><img src="'.
319: $logo.'" alt="LON-CAPA Logo" class="LC_noBorder" /></a>';
320:
321: if ($env{'request.state'} eq 'construct') {
322: #
323: # We are in construction space
324: #
325: if (($env{'request.noversionuri'} eq '') || (!defined($env{'request.noversionuri'}))) {
326: my $returnurl = $env{'request.filename'};
327: $returnurl =~ s:^/home/([^/]+)/public_html/(.*)$:/priv/$1/$2:;
328: $escurl = &escape($returnurl);
329: }
330: }
331: if ($env{'request.course.id'}) {
332: #
333: # We are in a course
334: #
335: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
336: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
337: my %coursegroups;
338: my $viewgrps_permission =
339: &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
340: if (!$viewgrps_permission) {
341: %coursegroups = &Apache::lonnet::get_active_groups($env{'user.domain'},$env{'user.name'},$cdom,$cnum);
342: }
343: if ((keys(%coursegroups) > 0) || ($viewgrps_permission)) {
344: $showgroups = 1;
345: }
346: $role_selector = &roles_selector($cdom,$cnum);
347: if ($role_selector) {
348: $roles = '<span class="LC_nobreak">'.$role_selector.' <a href="/adm/roles" target="_top">'.$lt{'other'}.'</a></span>';
349: }
350: }
351:
352: if ($env{'environment.remote'} eq 'off') {
353: # Remote Control is switched off
354: # figure out colors
355: my %lt=&initlittle();
356:
357: my $domain=&Apache::loncommon::determinedomain();
358: my $function =&Apache::loncommon::get_users_function();
359: my $link=&Apache::loncommon::designparm($function.'.link',$domain);
360: my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
361: my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
362: my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
363:
364: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
365: return (<<ENDINLINEMENU);
366: <ol class="LC_smallMenu LC_right">
367: <li>$logo</li>
368: <li><a href="/adm/roles" target="_top">$lt{'login'}</a></li>
369: </ol>
370: <hr />
371: ENDINLINEMENU
372: }
373: $roles = '<a href="/adm/roles" target="_top">'.$lt{'roles'}.'</a>';
374: # Do we have a NAV link?
375: if ($env{'request.course.id'}) {
376: my $link='/adm/navmaps?postdata='.$escurl.'&postsymb='.
377: $escsymb;
378: if ($env{'environment.remotenavmap'} eq 'on') {
379: $link="javascript:gonav('".$link."')";
380: }
381: $navmaps=(<<ENDNAV);
382: <li><a href="$link" target="_top">$lt{'nav'}</a></li>
383: ENDNAV
384: my $is_group = (&Apache::loncommon::course_type() eq 'Group');
385: if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
386: my $text = ($is_group) ? $lt{'gdoc'} : $lt{'docs'};
387: $docs=(<<ENDDOCS);
388: <li><a href="/adm/coursedocs" target="_top">$text</a></li>
389: ENDDOCS
390: }
391: if ($showgroups) {
392: $groups =(<<ENDGROUPS);
393: <li><a href="/adm/coursegroups" target="_top">$lt{'groups'}</a></li>
394: ENDGROUPS
395: }
396: if (&show_return_link()) {
397: my $escreload=&escape('return:');
398: $reloadlink=(<<ENDRELOAD);
399: <li><a href="/adm/flip?postdata=$escreload" target="_top">$lt{'ret'}</a></li>
400: ENDRELOAD
401: }
402: if ($role_selector) {
403: #$roles = '<td>'.$role_selector.'</td><td><a href="/adm/roles" target="_top">'.$lt{'other'}.'</a></td>';
404: $role_selector = '<li>'.$role_selector.'</li>';
405: }
406: }
407: if (($env{'request.state'} eq 'construct') && ($env{'request.course.id'})) {
408: my $escreload=&escape('return:');
409: $reloadlink=(<<ENDCRELOAD);
410: <li><a href="/adm/flip?postdata=$escreload" target="_top">$lt{'ret'}</a></li>
411: ENDCRELOAD
412: }
413: my $reg = $forcereg ? &innerregister($forcereg,$titletable) : '';
414: my $form = &serverform();
415: my $utility = &utilityfunctions();
416:
417: #Prepare the message link that indicates the arrival of new mail
418: my $messagelink = Apache::lonmsg::mynewmail() ? "Message (new)" : "Message";
419: $messagelink = '<a href="javascript:go(\'/adm/communicate\');">'
420: . mt($messagelink) .'</a>';
421:
422: my $helplink = &Apache::loncommon::top_nav_help('Help');
423: return (<<ENDINLINEMENU);
424: <script type="text/javascript">
425: // <![CDATA[
426: // BEGIN LON-CAPA Internal
427: $utility
428: // ]]>
429: </script>
430: <ol class="LC_smallMenu LC_right">
431: <li>$logo</li>
432: <li>$messagelink</li>
433: <li>$roles</li>
434: <li>$helplink</li>
435: <li><a href="/adm/logout" target="_top">$lt{'exit'}</a></li>
436: </ol>
437: <ul id="LC_TabMainMenuContent">
438: <li><a href="/adm/menu" target="_top">$lt{'main'}</a></li>
439: $reloadlink
440: $navmaps
441: $docs
442: $groups
443: $role_selector
444: </ul>
445: $form
446: <script type="text/javascript">
447: // END LON-CAPA Internal
448: </script>
449: $reg
450: ENDINLINEMENU
451: } else {
452: return '';
453: }
454: }
455:
456: sub show_return_link {
457: return (($env{'request.noversionuri'}=~m{^/(res|public)/} &&
458: $env{'request.symb'} eq '')
459: ||
460: ($env{'request.noversionuri'}=~ m{^/cgi-bin/printout.pl})
461: ||
462: (($env{'request.noversionuri'}=~/^\/adm\//) &&
463: ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
464: ($env{'request.noversionuri'}!~
465: m[^/adm/.*/(smppg|bulletinboard|aboutme)($|\?)])
466: ));
467: }
468:
469:
470: sub registerurl {
471: my ($forcereg) = @_;
472: my $result = '';
473: if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
474: my $force_title='';
475: if ($env{'request.state'} eq 'construct') {
476: $force_title=&Apache::lonxml::display_title();
477: }
478: if (($env{'environment.remote'} eq 'off') ||
479: ((($env{'request.publicaccess'}) ||
480: (!&Apache::lonnet::is_on_map(
481: &unescape($env{'request.noversionuri'})))) &&
482: (!$forcereg))) {
483: return
484: $result
485: .'<script type="text/javascript">'."\n"
486: .'// <![CDATA['."\n"
487: .'function LONCAPAreg(){;} function LONCAPAstale(){}'."\n"
488: .'// ]]>'."\n"
489: .'</script>'
490: .$force_title;
491: }
492: # Graphical display after login only
493: if ($env{'request.registered'} && !$forcereg) { return ''; }
494: $result.=&innerregister($forcereg);
495: return $result.$force_title;
496: }
497:
498: sub innerregister {
499: my ($forcereg, $titletable) = @_;
500: my $result = '';
501: my ($uname,$thisdisfn);
502: my $const_space = ($env{'request.state'} eq 'construct');
503: my $is_const_dir = 0;
504:
505: if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
506:
507: $env{'request.registered'} = 1;
508:
509: my $noremote = ($env{'environment.remote'} eq 'off');
510:
511: undef(@inlineremote);
512:
513: my $reopen=&Apache::lonmenu::reopenmenu();
514:
515: my $newmail='';
516:
517: if (&Apache::lonmsg::newmail() && !$noremote) {
518: # We have new mail and remote is up
519: $newmail= 'swmenu.setstatus("you have","messages");';
520: }
521:
522: my $breadcrumb;
523: if ($noremote
524: && ($env{'request.symb'})
525: && ($env{'request.course.id'})) {
526:
527: my ($mapurl,$rid,$resurl) = &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
528: my $coursetitle = $env{'course.'.$env{'request.course.id'}.'.description'};
529:
530: my $maptitle = &Apache::lonnet::gettitle($mapurl);
531: my $restitle = &Apache::lonnet::gettitle(&Apache::lonnet::symbread());
532: my @crumbs = ({text => "Course Content",
533: href => "Javascript:gonav('/adm/navmaps')"},
534: {text => '...',
535: no_mt => 1});
536:
537: push @crumbs, {text => $maptitle, no_mt => 1} if ($maptitle
538: && $maptitle ne 'default.sequence'
539: && $maptitle ne $coursetitle);
540:
541: push @crumbs, {text => $restitle, no_mt => 1} if $restitle;
542:
543: Apache::lonhtmlcommon::clear_breadcrumbs();
544: Apache::lonhtmlcommon::add_breadcrumb(@crumbs);
545: $breadcrumb .= Apache::lonhtmlcommon::breadcrumbs(undef,undef,0);
546: #
547: }
548: if ($env{'request.state'} eq 'construct') {
549: $newmail = $titletable;
550: }
551: my $timesync = ( $noremote ? '' : 'swmenu.syncclock(1000*'.time.');' );
552: my $tablestart = ( $noremote ? '<table id="LC_menubuttons">' : '');
553: my $tableend = ( $noremote ? '</table>' : '');
554: # =============================================================================
555: # ============================ This is for URLs that actually can be registered
556: if (($env{'request.noversionuri'}!~m|^/(res/)*adm/|) || ($forcereg)) {
557: # -- This applies to homework problems for users with grading privileges
558: my $crs='/'.$env{'request.course.id'};
559: if ($env{'request.course.sec'}) {
560: $crs.='_'.$env{'request.course.sec'};
561: }
562: $crs=~s/\_/\//g;
563:
564: my $hwkadd='';
565: if ($env{'request.symb'} ne '' &&
566: $env{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
567: if (&Apache::lonnet::allowed('mgr',$crs)) {
568: $hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_4]',
569: "gocmd('/adm/grades','gradingmenu')",
570: 'Modify user grades for this assessment resource');
571: } elsif (&Apache::lonnet::allowed('vgr',$crs)) {
572: $hwkadd.=&switch('','',7,2,'subm.gif','view sub-[_1]','missions[_1]',
573: "gocmd('/adm/grades','submission')",
574: 'View user submissions for this assessment resource');
575: }
576: }
577: if ($env{'request.symb'} ne '' &&
578: &Apache::lonnet::allowed('opa',$crs)) {
579: $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
580: "gocmd('/adm/parmset','set')",
581: 'Modify parameter settings for this resource');
582: }
583: # -- End Homework
584: ###
585: ### Determine whether or not to display the 'cstr' button for this
586: ### resource
587: ###
588: my $editbutton = '';
589: my $noeditbutton = 1;
590: my ($cnum,$cdom);
591: if ($env{'request.course.id'}) {
592: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
593: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
594: }
595: if ($env{'user.author'}) {
596: if ($env{'request.role'}=~/^(aa|ca|au)/) {
597: #
598: # We have the role of an author
599: #
600: # Set defaults for authors
601: my ($top,$bottom) = ('con-','struct');
602: my $action = "go('/priv/".$env{'user.name'}."');";
603: my $cadom = $env{'request.role.domain'};
604: my $caname = $env{'user.name'};
605: my $desc = "Enter my construction space";
606: # Set defaults for co-authors
607: if ($env{'request.role'} =~ /^ca/) {
608: ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
609: ($top,$bottom) = ('co con-','struct');
610: $action = "go('/priv/".$caname."');";
611: $desc = "Enter construction space as co-author";
612: } elsif ($env{'request.role'} =~ /^aa/) {
613: ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
614: ($top,$bottom) = ('co con-','struct');
615: $action = "go('/priv/".$caname."');";
616: $desc = "Enter construction space as assistant co-author";
617: }
618: # Check that we are on the correct machine
619: my $home = &Apache::lonnet::homeserver($caname,$cadom);
620: my $allowed=0;
621: my @ids=&Apache::lonnet::current_machine_ids();
622: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
623: if (!$allowed) {
624: $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
625: $noeditbutton = 0;
626: }
627: }
628: #
629: # We are an author for some stuff, but currently do not have the role of author.
630: # Figure out if we have authoring privileges for the resource we are looking at.
631: # This should maybe become a privilege check in lonnet
632: #
633: ##
634: ## Determine if user can edit url.
635: ##
636: my $cfile='';
637: my $cfuname='';
638: my $cfudom='';
639: my $uploaded;
640: if ($env{'request.filename'}) {
641: my $file=&Apache::lonnet::declutter($env{'request.filename'});
642: if (defined($cnum) && defined($cdom)) {
643: $uploaded = &is_course_upload($file,$cnum,$cdom);
644: }
645: if (!$uploaded) {
646: $file=~s/^($match_domain)\/($match_username)/\/priv\/$2/;
647: # Check that the user has permission to edit this resource
648: ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
649: if (defined($cfudom)) {
650: my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
651: my $allowed=0;
652: my @ids=&Apache::lonnet::current_machine_ids();
653: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
654: if ($allowed) {
655: $cfile=$file;
656: }
657: }
658: }
659: }
660: # Finally, turn the button on or off
661: if ($cfile && !$const_space) {
662: $editbutton=&switch
663: ('','',6,1,'pcstr.gif','edit[_1]','resource[_2]',
664: "go('".$cfile."');","Edit this resource");
665: $noeditbutton = 0;
666: } elsif ($editbutton eq '') {
667: $editbutton=&clear(6,1);
668: }
669: }
670: if (($noeditbutton) && ($env{'request.filename'})) {
671: if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
672: my $file=&Apache::lonnet::declutter($env{'request.filename'});
673: if (defined($cnum) && defined($cdom)) {
674: if (&is_course_upload($file,$cnum,$cdom)) {
675: my $cfile = &edit_course_upload($file,$cnum,$cdom);
676: if ($cfile) {
677: $editbutton=&switch
678: ('','',6,1,'pcstr.gif','edit[_1]',
679: 'resource[_2]',"go('".$cfile."');",
680: 'Edit this resource');
681: }
682: }
683: }
684: }
685: }
686: ###
687: ###
688: # Prepare the rest of the buttons
689: my $menuitems;
690: if ($const_space) {
691: #
692: # We are in construction space
693: #
694: my ($uname,$thisdisfn) =
695: ($env{'request.filename'}=~m|^/home/([^/]+)/public_html/(.*)|);
696: my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
697: if ($currdir =~ m-/$-) {
698: $is_const_dir = 1;
699: } else {
700: $currdir =~ s|[^/]+$||;
701: my $cleandisfn = &Apache::loncommon::escape_single($thisdisfn);
702: my $esc_currdir = &Apache::loncommon::escape_single($currdir);
703: #
704: # Probably should be in mydesk.tab
705: #
706: $menuitems=(<<ENDMENUITEMS);
707: s&6&1&list.gif&list[_1]&dir[_1]&golist('$esc_currdir')&List current directory
708: s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$cleandisfn')&Retrieve old version
709: s&6&3&pub.gif&publish[_1]&resource[_3]&gocstr('/adm/publish','/~$uname/$cleandisfn')&Publish this resource
710: s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$cleandisfn')&Delete this resource
711: s&7&2&prt.gif&prepare[_1]&printout[_1]&gocstr('/adm/printout','/~$uname/$cleandisfn')&Prepare a printable document
712: ENDMENUITEMS
713: }
714: } elsif ( defined($env{'request.course.id'}) &&
715: $env{'request.symb'} ne '' ) {
716: #
717: # We are in a course and looking at a registred URL
718: # Should probably be in mydesk.tab
719: #
720: $menuitems=(<<ENDMENUITEMS);
721: c&3&1
722: s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&&1
723: s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&&3
724: c&6&3
725: c&8&1
726: c&8&2
727: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
728: s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&&1
729: ENDMENUITEMS
730:
731: my $currentURL = &Apache::loncommon::get_symb();
732: my ($symb_old,$symb_old_enc) = &Apache::loncommon::clean_symb($currentURL);
733: my $annotation = &Apache::loncommon::get_annotation($symb_old,$symb_old_enc);
734: $menuitems.="s&9&3&";
735: if(length($annotation) > 0){
736: $menuitems.="anot2.gif";
737: }else{
738: $menuitems.="anot.gif";
739: }
740: $menuitems.="&anno-[_1]&tations[_1]&annotate()&";
741: $menuitems.="Make notes and annotations about this resource&&1\n";
742:
743: unless ($noremote) {
744: my $showreqcrs = &check_for_rcrs();
745: if ($showreqcrs) {
746: $menuitems.="s&8&1&rcrs.gif&request[_1]&course[_16]".
747: "&go('/adm/requestcourse')&Course requests\n";
748: }
749: }
750: unless ($env{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
751: if (!$env{'request.enc'}) {
752: $menuitems.=(<<ENDREALRES);
753: s&6&3&catalog.gif&catalog[_2]&info[_1]&catalog_info()&Show Metadata
754: ENDREALRES
755: }
756: $menuitems.=(<<ENDREALRES);
757: s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
758: s&8&2&fdbk.gif&feedback[_1]&discuss[_1]&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
759: ENDREALRES
760: }
761: }
762: if ($env{'request.uri'} =~ /^\/res/) {
763: $menuitems .= (<<ENDMENUITEMS);
764: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
765: ENDMENUITEMS
766: }
767: my $buttons='';
768: foreach (split(/\n/,$menuitems)) {
769: my ($command,@rest)=split(/\&/,$_);
770: my $idx=10*$rest[0]+$rest[1];
771: if (&hidden_button_check() eq 'yes') {
772: if ($idx == 21 ||$idx == 23) {
773: $buttons.=&switch('','',@rest);
774: } else {
775: $buttons.=&clear(@rest);
776: }
777: } else {
778: if ($command eq 's') {
779: $buttons.=&switch('','',@rest);
780: } else {
781: $buttons.=&clear(@rest);
782: }
783: }
784: }
785:
786: if ($noremote) {
787: my $addremote=0;
788: foreach (@inlineremote) { if ($_ ne '') { $addremote=1; last;} }
789: my $inlinebuttons='';
790: if ($addremote) {
791: # Registered, textual output
792: if ($env{'environment.icons'} eq 'iconsonly') {
793: $inlinebuttons=(<<ENDARROWSINLINE);
794: <tr><td>
795: $inlineremote[21] $inlineremote[23]
796: ENDARROWSINLINE
797: if (&hidden_button_check() ne 'yes') {
798: $inlinebuttons .= (<<ENDINLINEICONS);
799: $inlineremote[61] $inlineremote[63]
800: $inlineremote[71] $inlineremote[72] $inlineremote[73]
801: $inlineremote[81] $inlineremote[82] $inlineremote[83]
802: $inlineremote[91] $inlineremote[92] $inlineremote[93]</td></tr>
803: ENDINLINEICONS
804: }
805: } else {
806: if ($inlineremote[21] ne '' || $inlineremote[23] ne '') {
807: $inlinebuttons=(<<ENDFIRSTLINE);
808: <tr><td>$inlineremote[21]</td><td> </td><td>$inlineremote[23]</td></tr>
809: ENDFIRSTLINE
810: }
811: if (&hidden_button_check() ne 'yes') {
812: foreach my $row (6..9) {
813: if ($inlineremote[${row}.'1'] ne ''
814: || $inlineremote[$row.'2'] ne ''
815: || $inlineremote[$row.'3'] ne '') {
816: $inlinebuttons .= <<"ENDLINE";
817: <tr><td>$inlineremote["${row}1"]</td><td>$inlineremote["${row}2"]</td><td>$inlineremote["${row}3"]</td></tr>
818: ENDLINE
819: }
820: }
821: }
822: }
823: }
824: $result =(<<ENDREGTEXT);
825: <script type="text/javascript">
826: // BEGIN LON-CAPA Internal
827: </script>
828: $timesync
829: $breadcrumb
830: $tablestart
831: $inlinebuttons
832: $tableend
833: $newmail
834: <script type="text/javascript">
835: // END LON-CAPA Internal
836: </script>
837:
838: ENDREGTEXT
839: # Registered, graphical output
840: } else {
841: my $requri=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
842: $requri=&Apache::lonenc::check_encrypt(&unescape($requri));
843: my $cursymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
844: my $navstatus=&get_nav_status();
845: my $clearcstr;
846:
847: if ($env{'user.adv'}) { $clearcstr='clearbut(6,1)'; }
848: $result = (<<ENDREGTHIS);
849:
850: <script type="text/javascript">
851: // <![CDATA[
852: // BEGIN LON-CAPA Internal
853: var swmenu=null;
854:
855: function LONCAPAreg() {
856: swmenu=$reopen;
857: swmenu.clearTimeout(swmenu.menucltim);
858: $timesync
859: $newmail
860: $buttons
861: swmenu.currentURL="$requri";
862: swmenu.reloadURL=swmenu.currentURL+window.location.search;
863: swmenu.currentSymb="$cursymb";
864: swmenu.reloadSymb="$cursymb";
865: swmenu.currentStale=0;
866: $navstatus
867: $hwkadd
868: $editbutton
869: }
870:
871: function LONCAPAstale() {
872: swmenu=$reopen
873: swmenu.currentStale=1;
874: if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
875: swmenu.switchbutton
876: (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
877: }
878: swmenu.clearbut(7,2);
879: swmenu.clearbut(7,3);
880: swmenu.menucltim=swmenu.setTimeout(
881: 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
882: 'clearbut(9,1);clearbut(9,3);clearbut(6,3);$clearcstr',
883: 2000);
884: }
885:
886: // END LON-CAPA Internal
887: // ]]>
888: </script>
889: ENDREGTHIS
890: }
891: # =============================================================================
892: } else {
893: # ========================================== This can or will not be registered
894: if ($noremote) {
895: # Not registered
896: $result= (<<ENDDONOTREGTEXT);
897: ENDDONOTREGTEXT
898: } else {
899: # Not registered, graphical
900: $result = (<<ENDDONOTREGTHIS);
901:
902: <script type="text/javascript">
903: // <![CDATA[
904: // BEGIN LON-CAPA Internal
905: var swmenu=null;
906:
907: function LONCAPAreg() {
908: swmenu=$reopen
909: $timesync
910: swmenu.currentStale=1;
911: swmenu.clearbut(2,1);
912: swmenu.clearbut(2,3);
913: swmenu.clearbut(8,1);
914: swmenu.clearbut(8,2);
915: swmenu.clearbut(8,3);
916: if (swmenu.currentURL) {
917: swmenu.switchbutton
918: (3,1,'reload.gif','return','location','go(currentURL)');
919: } else {
920: swmenu.clearbut(3,1);
921: }
922: }
923:
924: function LONCAPAstale() {
925: }
926:
927: // END LON-CAPA Internal
928: // ]]>
929: </script>
930: ENDDONOTREGTHIS
931: }
932: # =============================================================================
933: }
934: return $result;
935: }
936:
937: sub is_course_upload {
938: my ($file,$cnum,$cdom) = @_;
939: my $uploadpath = &LONCAPA::propath($cdom,$cnum);
940: $uploadpath =~ s{^\/}{};
941: if (($file =~ m{^\Q$uploadpath\E/userfiles/docs/}) ||
942: ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/docs/})) {
943: return 1;
944: }
945: return;
946: }
947:
948: sub edit_course_upload {
949: my ($file,$cnum,$cdom) = @_;
950: my $cfile;
951: if ($file =~/\.(htm|html|css|js|txt)$/) {
952: my $ext = $1;
953: my $url = &Apache::lonnet::hreflocation('',$file);
954: my $home = &Apache::lonnet::homeserver($cnum,$cdom);
955: my @ids=&Apache::lonnet::current_machine_ids();
956: my $dest;
957: if ($home && grep(/^\Q$home\E$/,@ids)) {
958: $dest = $url.'?forceedit=1';
959: } else {
960: unless (&Apache::lonnet::get_locks()) {
961: $dest = '/adm/switchserver?otherserver='.
962: $home.'&role='.$env{'request.role'}.
963: '&url='.$url.'&forceedit=1';
964: }
965: }
966: if ($dest) {
967: $cfile = &HTML::Entities::encode($dest,'"<>&');
968: }
969: }
970: return $cfile;
971: }
972:
973: sub loadevents() {
974: if ($env{'request.state'} eq 'construct' ||
975: $env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
976: return 'LONCAPAreg();';
977: }
978:
979: sub unloadevents() {
980: if ($env{'request.state'} eq 'construct' ||
981: $env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
982: return 'LONCAPAstale();';
983: }
984:
985:
986: sub startupremote {
987: my ($lowerurl)=@_;
988: if ($env{'environment.remote'} eq 'off') {
989: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
990: }
991: #
992: # The Remote actually gets launched!
993: #
994: my $configmenu=&rawconfig();
995: my $esclowerurl=&escape($lowerurl);
996: my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
997: return(<<ENDREMOTESTARTUP);
998: <script type="text/javascript">
999: // <![CDATA[
1000: var timestart;
1001: function wheelswitch() {
1002: if (typeof(document.wheel) != 'undefined') {
1003: if (typeof(document.wheel.spin) != 'undefined') {
1004: var date=new Date();
1005: var waited=Math.round(30-((date.getTime()-timestart)/1000));
1006: document.wheel.spin.value=$message;
1007: }
1008: }
1009: if (window.status=='|') {
1010: window.status='/';
1011: } else {
1012: if (window.status=='/') {
1013: window.status='-';
1014: } else {
1015: if (window.status=='-') {
1016: window.status='\\\\';
1017: } else {
1018: if (window.status=='\\\\') { window.status='|'; }
1019: }
1020: }
1021: }
1022: }
1023:
1024: // ---------------------------------------------------------- The wait function
1025: var canceltim;
1026: function wait() {
1027: if ((menuloaded==1) || (tim==1)) {
1028: window.status='Done.';
1029: if (tim==0) {
1030: clearTimeout(canceltim);
1031: $configmenu
1032: window.location='$lowerurl';
1033: } else {
1034: window.location='/adm/remote?action=collapse&url=$esclowerurl';
1035: }
1036: } else {
1037: wheelswitch();
1038: setTimeout('wait();',200);
1039: }
1040: }
1041:
1042: function main() {
1043: canceltim=setTimeout('tim=1;',30000);
1044: window.status='-';
1045: var date=new Date();
1046: timestart=date.getTime();
1047: wait();
1048: }
1049:
1050: // ]]>
1051: </script>
1052: ENDREMOTESTARTUP
1053: }
1054:
1055: sub setflags() {
1056: return(<<ENDSETFLAGS);
1057: <script type="text/javascript">
1058: // <![CDATA[
1059: menuloaded=0;
1060: tim=0;
1061: // ]]>
1062: </script>
1063: ENDSETFLAGS
1064: }
1065:
1066: sub maincall() {
1067: if ($env{'environment.remote'} eq 'off') { return ''; }
1068: return(<<ENDMAINCALL);
1069: <script type="text/javascript">
1070: // <![CDATA[
1071: main();
1072: // ]]>
1073: </script>
1074: ENDMAINCALL
1075: }
1076:
1077: sub load_remote_msg {
1078: my ($lowerurl)=@_;
1079:
1080: if ($env{'environment.remote'} eq 'off') { return ''; }
1081:
1082: my $esclowerurl=&escape($lowerurl);
1083: my $link=&mt('[_1]Continue[_2] on in Inline Menu mode'
1084: ,'<a href="/adm/remote?action=collapse&url='.$esclowerurl.'">'
1085: ,'</a>');
1086: return(<<ENDREMOTEFORM);
1087: <p>
1088: <form name="wheel">
1089: <input name="spin" type="text" size="60" />
1090: </form>
1091: </p>
1092: <p>$link</p>
1093: ENDREMOTEFORM
1094: }
1095:
1096: sub get_menu_name {
1097: my $hostid = $Apache::lonnet::perlvar{'lonHostID'};
1098: $hostid =~ s/\W//g;
1099: return 'LCmenu'.$hostid;
1100: }
1101:
1102:
1103: sub reopenmenu {
1104: if ($env{'environment.remote'} eq 'off') { return ''; }
1105: my $menuname = &get_menu_name();
1106: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
1107: return('window.open('.$nothing.',"'.$menuname.'","",false);');
1108: }
1109:
1110:
1111: sub open {
1112: my $returnval='';
1113: if ($env{'environment.remote'} eq 'off') {
1114: return
1115: '<script type="text/javascript">'."\n"
1116: .'// <![CDATA['."\n"
1117: .'self.name="loncapaclient";'."\n"
1118: .'// ]]>'."\n"
1119: .'</script>';
1120: }
1121: my $menuname = &get_menu_name();
1122:
1123: # unless (shift eq 'unix') {
1124: # resizing does not work on linux because of virtual desktop sizes
1125: # $returnval.=(<<ENDRESIZE);
1126: #if (window.screen) {
1127: # self.resizeTo(screen.availWidth-215,screen.availHeight-55);
1128: # self.moveTo(190,15);
1129: #}
1130: #ENDRESIZE
1131: # }
1132: $returnval=(<<ENDOPEN);
1133: // <![CDATA[
1134: window.status='Opening LON-CAPA Remote Control';
1135: var menu=window.open("/res/adm/pages/menu.html?inhibitmenu=yes","$menuname",
1136: "height=375,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
1137: self.name='loncapaclient';
1138: // ]]>
1139: ENDOPEN
1140: return '<script type="text/javascript">'.$returnval.'</script>';
1141: }
1142:
1143:
1144: # ================================================================== Raw Config
1145:
1146: sub clear {
1147: my ($row,$col)=@_;
1148: unless ($env{'environment.remote'} eq 'off') {
1149: if (($row<1) || ($row>13)) { return ''; }
1150: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
1151: } else {
1152: $inlineremote[10*$row+$col]='';
1153: return '';
1154: }
1155: }
1156:
1157: # ============================================ Switch a button or create a link
1158: # Switch acts on the javascript that is executed when a button is clicked.
1159: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
1160:
1161: sub switch {
1162: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat,$nobreak)=@_;
1163: $act=~s/\$uname/$uname/g;
1164: $act=~s/\$udom/$udom/g;
1165: $top=&mt($top);
1166: $bot=&mt($bot);
1167: $desc=&mt($desc);
1168: if (($env{'environment.remote'} ne 'off') || ($env{'environment.icons'} eq 'classic')) {
1169: $img=&mt($img);
1170: }
1171: my $idx=10*$row+$col;
1172: $category_members{$cat}.=':'.$idx;
1173:
1174: unless ($env{'environment.remote'} eq 'off') {
1175: if (($row<1) || ($row>13)) { return ''; }
1176: # Remote
1177: return "\n".
1178: qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
1179: } else {
1180: # Inline Remote
1181: if ($env{'environment.icons'} ne 'classic') {
1182: $img=~s/\.gif$/\.png/;
1183: }
1184: if ($nobreak==2) { return ''; }
1185: my $text=$top.' '.$bot;
1186: $text=~s/\s*\-\s*//gs;
1187:
1188: my $pic=
1189: '<img alt="'.$text.'" src="'.
1190: &Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$img).
1191: '" align="'.($nobreak==3?'right':'left').'" class="LC_noBorder" />';
1192: if ($env{'browser.interface'} eq 'faketextual') {
1193: # Main Menu
1194: if ($nobreak==3) {
1195: $inlineremote[$idx]="\n".
1196: '<td class="LC_menubuttons_text" align="right">'.$text.
1197: '</td><td align="left">'.
1198: '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
1199: } elsif ($nobreak) {
1200: $inlineremote[$idx]="\n<tr>".
1201: '<td align="left">'.
1202: '<a href="javascript:'.$act.';">'.$pic.'</a></td>
1203: <td class="LC_menubuttons_text" align="left"><a class="LC_menubuttons_link" href="javascript:'.$act.';"><span class="LC_menubuttons_inline_text">'.$text.'</span></a></td>';
1204: } else {
1205: $inlineremote[$idx]="\n<tr>".
1206: '<td align="left">'.
1207: '<a href="javascript:'.$act.';">'.$pic.
1208: '</a></td><td class="LC_menubuttons_text" colspan="3">'.
1209: '<a class="LC_menubuttons_link" href="javascript:'.$act.';"><span class="LC_menubuttons_inline_text">'.$desc.'</span></a></td></tr>';
1210: }
1211: } else {
1212: # Inline Menu
1213: if ($env{'environment.icons'} eq 'iconsonly') {
1214: $inlineremote[$idx]='<a title="'.$desc.'" href="javascript:'.$act.';">'.$pic.'</a>';
1215: } else {
1216: $inlineremote[$idx]=
1217: '<a class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.
1218: '<span class="LC_menubuttons_inline_text">'.$desc.'</span></a>';
1219: }
1220: }
1221: }
1222: return '';
1223: }
1224:
1225: sub secondlevel {
1226: my $output='';
1227: my
1228: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat)=@_;
1229: if ($prt eq 'any') {
1230: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1231: } elsif ($prt=~/^r(\w+)/) {
1232: if ($rol eq $1) {
1233: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1234: }
1235: }
1236: return $output;
1237: }
1238:
1239: sub openmenu {
1240: my $menuname = &get_menu_name();
1241: if ($env{'environment.remote'} eq 'off') { return ''; }
1242: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
1243: return "window.open(".$nothing.",'".$menuname."');";
1244: }
1245:
1246: sub inlinemenu {
1247: undef(@inlineremote);
1248: undef(%category_members);
1249: # calling rawconfig with "1" will evaluate mydesk.tab, even if there is no active remote control
1250: &rawconfig(1);
1251: my $output='<table id="LC_mainmenu"><tr>';
1252: for (my $col=1; $col<=2; $col++) {
1253: $output.='<td class="LC_mainmenu_col_fieldset">';
1254: for (my $row=1; $row<=8; $row++) {
1255: foreach my $cat (keys(%category_members)) {
1256: if ($category_positions{$cat} ne "$col,$row") { next; }
1257: #$output.='<table><tr><td colspan="4" class="LC_menubuttons_category">'.&mt($category_names{$cat}).'</td></tr>';
1258: $output.='<div class="LC_Box">';
1259: $output.='<h4 class="LC_hcell">'.&mt($category_names{$cat}).'</h4>';
1260: $output.='<table>';
1261: my %active=();
1262: foreach my $menu_item (split(/\:/,$category_members{$cat})) {
1263: if ($inlineremote[$menu_item]) {
1264: $active{$menu_item}=1;
1265: }
1266: }
1267: foreach my $item (sort(keys(%active))) {
1268: $output.=$inlineremote[$item];
1269: }
1270: $output.='</table>';
1271: $output.='</div>';
1272: }
1273: }
1274: $output.="</td>";
1275: }
1276: $output.="</tr></table>";
1277: return $output;
1278: }
1279:
1280: sub rawconfig {
1281: #
1282: # This evaluates mydesk.tab
1283: # Need to add more positions and more privileges to deal with all
1284: # menu items.
1285: #
1286: my $textualoverride=shift;
1287: my $output='';
1288: unless ($env{'environment.remote'} eq 'off') {
1289: $output.=
1290: "window.status='Opening Remote Control';var swmenu=".&openmenu().
1291: "\nwindow.status='Configuring Remote Control ';";
1292: } else {
1293: unless ($textualoverride) { return ''; }
1294: }
1295: my $uname=$env{'user.name'};
1296: my $udom=$env{'user.domain'};
1297: my $adv=$env{'user.adv'};
1298: my $show_course=&Apache::loncommon::show_course();
1299: my $author=$env{'user.author'};
1300: my $crs='';
1301: if ($env{'request.course.id'}) {
1302: $crs='/'.$env{'request.course.id'};
1303: if ($env{'request.course.sec'}) {
1304: $crs.='_'.$env{'request.course.sec'};
1305: }
1306: $crs=~s/\_/\//g;
1307: }
1308: my $pub=($env{'request.state'} eq 'published');
1309: my $con=($env{'request.state'} eq 'construct');
1310: my $rol=$env{'request.role'};
1311: my $requested_domain = $env{'request.role.domain'};
1312: foreach my $line (@desklines) {
1313: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc,$cat)=split(/\:/,$line);
1314: $prt=~s/\$uname/$uname/g;
1315: $prt=~s/\$udom/$udom/g;
1316: $prt=~s/\$crs/$crs/g;
1317: $prt=~s/\$requested_domain/$requested_domain/g;
1318: if ($category_names{$cat}!~/\w/) { $cat='oth'; }
1319: my $type = &Apache::loncommon::course_type();
1320: #
1321: # I don't think we support this
1322: #
1323: # if ($type eq 'Group') {
1324: # $desc = &convert_menu_function($desc,$type);
1325: # }
1326: if ($pro eq 'clear') {
1327: $output.=&clear($row,$col);
1328: } elsif ($pro eq 'any') {
1329: $output.=&secondlevel(
1330: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
1331: } elsif ($pro eq 'smp') {
1332: unless ($adv) {
1333: $output.=&secondlevel(
1334: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
1335: }
1336: } elsif ($pro eq 'adv') {
1337: if ($adv) {
1338: $output.=&secondlevel(
1339: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
1340: }
1341: } elsif ($pro eq 'shc') {
1342: if ($show_course) {
1343: $output.=&secondlevel(
1344: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
1345: }
1346: } elsif ($pro eq 'nsc') {
1347: if (!$show_course) {
1348: $output.=&secondlevel(
1349: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
1350: }
1351: } elsif (($pro=~/^p(\w+)/) && ($prt)) {
1352: if (&Apache::lonnet::allowed($1,$prt)) {
1353: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1354: }
1355: } elsif ($pro eq 'course') {
1356: if ($env{'request.course.fn'}) {
1357: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1358: }
1359: } elsif ($pro =~ /^courseenv_(.*)$/) {
1360: my $key = $1;
1361: if ($env{'course.'.$env{'request.course.id'}.'.'.$key}) {
1362: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1363: }
1364: } elsif ($pro =~ /^course_(.*)$/) {
1365: # Check for permissions inside of a course
1366: if (($env{'request.course.id'}) &&
1367: (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
1368: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
1369: )) {
1370: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1371: }
1372: } elsif ($pro eq 'author') {
1373: if ($author) {
1374: if ((($prt eq 'rca') && ($env{'request.role'}=~/^ca/)) ||
1375: (($prt eq 'raa') && ($env{'request.role'}=~/^aa/)) ||
1376: (($prt eq 'rau') && ($env{'request.role'}=~/^au/))) {
1377: # Check that we are on the correct machine
1378: my $cadom=$requested_domain;
1379: my $caname=$env{'user.name'};
1380: if (($prt eq 'rca') || ($prt eq 'raa')) {
1381: ($cadom,$caname)=
1382: ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
1383: }
1384: $act =~ s/\$caname/$caname/g;
1385: my $home = &Apache::lonnet::homeserver($caname,$cadom);
1386: my $allowed=0;
1387: my @ids=&Apache::lonnet::current_machine_ids();
1388: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
1389: if ($allowed) {
1390: $output.=&switch($caname,$cadom,
1391: $row,$col,$img,$top,$bot,$act,$desc,$cat);
1392: }
1393: }
1394: }
1395: } elsif ($pro eq 'tools') {
1396: my @tools = ('aboutme','blog','portfolio');
1397: if (grep(/^\Q$prt\E$/,@tools)) {
1398: if (!&Apache::lonnet::usertools_access($env{'user.name'},
1399: $env{'user.domain'},
1400: $prt,undef,'tools')) {
1401: $output.=&clear($row,$col);
1402: next;
1403: }
1404: } elsif (($prt eq 'reqcrsnsc') || ($prt eq 'reqcrsshc')) {
1405: if (($prt eq 'reqcrsnsc') && ($show_course)) {
1406: next;
1407: }
1408: if (($prt eq 'reqcrsshc') && (!$show_course)) {
1409: next;
1410: }
1411: my $showreqcrs = &check_for_rcrs();
1412: if (!$showreqcrs) {
1413: $output.=&clear($row,$col);
1414: next;
1415: }
1416: }
1417: $prt='any';
1418: $output.=&secondlevel(
1419: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
1420: }
1421: }
1422: unless ($env{'environment.remote'} eq 'off') {
1423: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
1424: if (&Apache::lonmsg::newmail()) {
1425: $output.='swmenu.setstatus("you have","messages");';
1426: }
1427: }
1428:
1429: return $output;
1430: }
1431:
1432: sub check_for_rcrs {
1433: my $showreqcrs = 0;
1434: my @reqtypes = ('official','unofficial','community');
1435: foreach my $type (@reqtypes) {
1436: if (&Apache::lonnet::usertools_access($env{'user.name'},
1437: $env{'user.domain'},
1438: $type,undef,'requestcourses')) {
1439: $showreqcrs = 1;
1440: last;
1441: }
1442: }
1443: if (!$showreqcrs) {
1444: foreach my $type (@reqtypes) {
1445: if ($env{'environment.reqcrsotherdom.'.$type} ne '') {
1446: $showreqcrs = 1;
1447: last;
1448: }
1449: }
1450: }
1451: return $showreqcrs;
1452: }
1453:
1454: # ======================================================================= Close
1455:
1456: sub close {
1457: if ($env{'environment.remote'} eq 'off') { return ''; }
1458: my $menuname = &get_menu_name();
1459: return(<<ENDCLOSE);
1460: <script type="text/javascript">
1461: // <![CDATA[
1462: window.status='Accessing Remote Control';
1463: menu=window.open("/adm/rat/empty.html","$menuname",
1464: "height=350,width=150,scrollbars=no,menubar=no");
1465: window.status='Disabling Remote Control';
1466: menu.active=0;
1467: menu.autologout=0;
1468: window.status='Closing Remote Control';
1469: menu.close();
1470: window.status='Done.';
1471: // ]]>
1472: </script>
1473: ENDCLOSE
1474: }
1475:
1476: # ====================================================================== Footer
1477:
1478: sub footer {
1479:
1480: }
1481:
1482: sub nav_control_js {
1483: my $nav=($env{'environment.remotenavmap'} eq 'on');
1484: return (<<NAVCONTROL);
1485: var w_loncapanav_flag="$nav";
1486:
1487:
1488: function gonav(url) {
1489: if (w_loncapanav_flag != 1) {
1490: gopost(url,'');
1491: } else {
1492: navwindow=window.open(url,
1493: "loncapanav","height=600,width=400,scrollbars=1");
1494: }
1495: }
1496: NAVCONTROL
1497: }
1498:
1499: sub utilityfunctions {
1500: my $caller = shift;
1501: unless ($env{'environment.remote'} eq 'off' ||
1502: $caller eq '/adm/menu') {
1503: return ''; }
1504:
1505: my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
1506: $currenturl=&Apache::lonenc::check_encrypt(&unescape($currenturl));
1507:
1508: my $currentsymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
1509: my $nav_control=&nav_control_js();
1510:
1511: my $start_page_annotate =
1512: &Apache::loncommon::start_page('Annotator',undef,
1513: {'only_body' => 1,
1514: 'js_ready' => 1,
1515: 'bgcolor' => '#BBBBBB',
1516: 'add_entries' => {
1517: 'onload' => 'javascript:document.goannotate.submit();'}});
1518:
1519: my $end_page_annotate =
1520: &Apache::loncommon::end_page({'js_ready' => 1});
1521:
1522: my $start_page_bookmark =
1523: &Apache::loncommon::start_page('Bookmarks',undef,
1524: {'only_body' => 1,
1525: 'js_ready' => 1,
1526: 'bgcolor' => '#BBBBBB',});
1527:
1528: my $end_page_bookmark =
1529: &Apache::loncommon::end_page({'js_ready' => 1});
1530:
1531: return (<<ENDUTILITY)
1532:
1533: var currentURL="$currenturl";
1534: var reloadURL="$currenturl";
1535: var currentSymb="$currentsymb";
1536:
1537: $nav_control
1538:
1539: function go(url) {
1540: if (url!='' && url!= null) {
1541: currentURL = null;
1542: currentSymb= null;
1543: window.location.href=url;
1544: }
1545: }
1546:
1547: function gopost(url,postdata) {
1548: if (url!='') {
1549: this.document.server.action=url;
1550: this.document.server.postdata.value=postdata;
1551: this.document.server.command.value='';
1552: this.document.server.url.value='';
1553: this.document.server.symb.value='';
1554: this.document.server.submit();
1555: }
1556: }
1557:
1558: function gocmd(url,cmd) {
1559: if (url!='') {
1560: this.document.server.action=url;
1561: this.document.server.postdata.value='';
1562: this.document.server.command.value=cmd;
1563: this.document.server.url.value=currentURL;
1564: this.document.server.symb.value=currentSymb;
1565: this.document.server.submit();
1566: }
1567: }
1568:
1569: function gocstr(url,filename) {
1570: if (url == '/adm/cfile?action=delete') {
1571: this.document.cstrdelete.filename.value = filename
1572: this.document.cstrdelete.submit();
1573: return;
1574: }
1575: if (url == '/adm/printout') {
1576: this.document.cstrprint.postdata.value = filename
1577: this.document.cstrprint.curseed.value = 0;
1578: this.document.cstrprint.problemtype.value = 0;
1579: if (this.document.lonhomework) {
1580: if ((this.document.lonhomework.rndseed) && (this.document.lonhomework.rndseed.value != null) && (this.document.lonhomework.rndseed.value != '')) {
1581: this.document.cstrprint.curseed.value = this.document.lonhomework.rndseed.value
1582: }
1583: if (this.document.lonhomework.problemtype) {
1584: if (this.document.lonhomework.problemtype.value) {
1585: this.document.cstrprint.problemtype.value =
1586: this.document.lonhomework.problemtype.value;
1587: } else if (this.document.lonhomework.problemtype.options) {
1588: for (var i=0; i<this.document.lonhomework.problemtype.options.length; i++) {
1589: if (this.document.lonhomework.problemtype.options[i].selected) {
1590: if (this.document.lonhomework.problemtype.options[i].value != null && this.document.lonhomework.problemtype.options[i].value != '') {
1591: this.document.cstrprint.problemtype.value = this.document.lonhomework.problemtype.options[i].value
1592: }
1593: }
1594: }
1595: }
1596: }
1597: }
1598: this.document.cstrprint.submit();
1599: return;
1600: }
1601: if (url !='') {
1602: this.document.constspace.filename.value = filename;
1603: this.document.constspace.action = url;
1604: this.document.constspace.submit();
1605: }
1606: }
1607:
1608: function golist(url) {
1609: if (url!='' && url!= null) {
1610: currentURL = null;
1611: currentSymb= null;
1612: top.location.href=url;
1613: }
1614: }
1615:
1616:
1617:
1618: function catalog_info() {
1619: loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
1620: }
1621:
1622: function chat_win() {
1623: lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
1624: }
1625:
1626: function group_chat(group) {
1627: var url = '/adm/groupchat?group='+group;
1628: var winName = 'LONchat_'+group;
1629: grpchat=window.open(url,winName,'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
1630: }
1631:
1632: function edit_bookmarks() {
1633: go('');
1634: w_BookmarkPal_flag=1;
1635: bookmarkpal=window.open("/adm/bookmarks",
1636: "BookmarkPal", "width=400,height=505,scrollbars=0");
1637: }
1638:
1639: function annotate() {
1640: w_Annotator_flag=1;
1641: annotator=window.open('','Annotator','width=365,height=265,scrollbars=0');
1642: annotator.document.write(
1643: '$start_page_annotate'
1644: +"<form name='goannotate' target='Annotator' method='post' "
1645: +"action='/adm/annotations'>"
1646: +"<input type='hidden' name='symbnew' value='"+currentSymb+"' />"
1647: +"<\\/form>"
1648: +'$end_page_annotate');
1649: annotator.document.close();
1650: }
1651:
1652: function set_bookmark() {
1653: go('');
1654: clienttitle=document.title;
1655: clienthref=location.pathname;
1656: w_bmquery_flag=1;
1657: bmquery=window.open('','bmquery','width=365,height=165,scrollbars=0');
1658: bmquery.document.write(
1659: '$start_page_bookmark'
1660: +'<center><form method="post"'
1661: +' name="newlink" action="/adm/bookmarks" target="bmquery" '
1662: +'> <table width="340" height="150" '
1663: +'bgcolor="#FFFFFF" align="center"><tr><td>Link Name:<br /><input '
1664: +'type="text" name="title" size="45" value="'+clienttitle+'" />'
1665: +'<br />Address:<br /><input type="text" name="address" size="45" '
1666: +'value="'+clienthref+'" /><br /><center><input type="submit" '
1667: +'value="Save" /> <input type="button" value="Close" '
1668: +'onclick="javascript:window.close();" /></center></td>'
1669: +'</tr></table></form></center>'
1670: +'$end_page_bookmark' );
1671: bmquery.document.close();
1672: }
1673:
1674: ENDUTILITY
1675: }
1676:
1677: sub serverform {
1678: return(<<ENDSERVERFORM);
1679: <form name="server" action="/adm/logout" method="post" target="_top">
1680: <input type="hidden" name="postdata" value="none" />
1681: <input type="hidden" name="command" value="none" />
1682: <input type="hidden" name="url" value="none" />
1683: <input type="hidden" name="symb" value="none" />
1684: </form>
1685: ENDSERVERFORM
1686: }
1687:
1688: sub constspaceform {
1689: return(<<ENDCONSTSPACEFORM);
1690: <form name="constspace" action="/adm/logout" method="post" target="_top">
1691: <input type="hidden" name="filename" value="" />
1692: </form>
1693: <form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
1694: <input type="hidden" name="action" value="delete" />
1695: <input type="hidden" name="filename" value="" />
1696: </form>
1697: <form name="cstrprint" action="/adm/printout" target="_parent" method="post">
1698: <input type="hidden" name="postdata" value="" />
1699: <input type="hidden" name="curseed" value="" />
1700: <input type="hidden" name="problemtype" value="" />
1701: </form>
1702:
1703: ENDCONSTSPACEFORM
1704: }
1705:
1706:
1707: sub get_nav_status {
1708: my $navstatus="swmenu.w_loncapanav_flag=";
1709: if ($env{'environment.remotenavmap'} eq 'on') {
1710: $navstatus.="1";
1711: } else {
1712: $navstatus.="-1";
1713: }
1714: return $navstatus;
1715: }
1716:
1717: #FIXME this needs to move into mydesk.tab and the other locations
1718: # the text is generated
1719: #
1720: # We currently do not support this anyway.
1721: #
1722: #sub convert_menu_function {
1723: # my ($rolename,$type) = @_;
1724: # if ($type eq 'Group') {
1725: # $rolename =~ s/student/member/g;
1726: # $rolename =~ s/group/team/g;
1727: # $rolename =~ s/course/group/g;
1728: # $rolename =~ s/Course/Group/g;
1729: # }
1730: # return $rolename;
1731: #}
1732:
1733: sub hidden_button_check {
1734: my $hidden;
1735: if ($env{'request.course.id'} eq '') {
1736: return;
1737: }
1738: if ($env{'request.role.adv'}) {
1739: return;
1740: }
1741: my $buttonshide = &Apache::lonnet::EXT('resource.0.buttonshide');
1742: return $buttonshide;
1743: }
1744:
1745: sub roles_selector {
1746: my ($cdom,$cnum) = @_;
1747: my $now = time;
1748: my (%courseroles,%seccount);
1749: my $is_cc;
1750: my $role_selector;
1751: if ($env{'user.role.cc./'.$cdom.'/'.$cnum}) {
1752: my ($start,$end) = split(/\./,$env{'user.role.cc./'.$cdom.'/'.$cnum});
1753:
1754: if ((($start) && ($start<0)) ||
1755: (($end) && ($end<$now)) ||
1756: (($start) && ($now<$start))) {
1757: $is_cc = 0;
1758: } else {
1759: $is_cc = 1;
1760: }
1761: }
1762: if ($is_cc) {
1763: &get_all_courseroles($cdom,$cnum,\%courseroles,\%seccount);
1764: } else {
1765: my %gotnosection;
1766: foreach my $item (keys(%env)) {
1767: if ($item =~ m-^user\.role\.([^.]+)\./\Q$cdom\E/\Q$cnum\E/?(\w*)$-) {
1768: my $role = $1;
1769: my $sec = $2;
1770: next if ($role eq 'gr');
1771: my ($start,$end) = split(/\./,$env{$item});
1772: next if (($start && $start > $now) || ($end && $end < $now));
1773: if ($sec eq '') {
1774: if (!$gotnosection{$role}) {
1775: $seccount{$role} ++;
1776: $gotnosection{$role} = 1;
1777: }
1778: }
1779: if (ref($courseroles{$role}) eq 'ARRAY') {
1780: if ($sec ne '') {
1781: if (!grep(/^\Q$sec\E$/,@{$courseroles{$role}})) {
1782: push(@{$courseroles{$role}},$sec);
1783: $seccount{$role} ++;
1784: }
1785: }
1786: } else {
1787: @{$courseroles{$role}} = ();
1788: if ($sec ne '') {
1789: $seccount{$role} ++;
1790: push(@{$courseroles{$role}},$sec);
1791: }
1792: }
1793: }
1794: }
1795: }
1796: my @roles_order = ('cc','in','ta','ep','ad','st');
1797: if (keys(%courseroles) > 1) {
1798: $role_selector = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles);
1799: $role_selector .= '<form name="rolechooser" method="post" action="/adm/roles">
1800: <select name="switchrole" onchange="javascript:adhocRole('."'switchrole'".')">';
1801: $role_selector .= '<option value="">'.&mt('Switch course role to...').'</option>';
1802: foreach my $role (@roles_order) {
1803: if (defined($courseroles{$role})) {
1804: $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role).'</option>';
1805: }
1806: }
1807: foreach my $role (sort(keys(%courseroles))) {
1808: if ($role =~ /^cr/) {
1809: $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role).'</option>';
1810: }
1811: }
1812: $role_selector .= '</select>'."\n".
1813: '<input type="hidden" name="destinationurl" value="'.
1814: &HTML::Entities::encode($ENV{'REQUEST_URI'}).'" />'."\n".
1815: '<input type="hidden" name="gotorole" value="1" />'."\n".
1816: '<input type="hidden" name="selectrole" value="" />'."\n".
1817: '<input type="hidden" name="switch" value="1" />'."\n".
1818: '</form>';
1819: }
1820: return $role_selector;
1821: }
1822:
1823: sub get_all_courseroles {
1824: my ($cdom,$cnum,$courseroles,$seccount) = @_;
1825: unless ((ref($courseroles) eq 'HASH') && (ref($seccount) eq 'HASH')) {
1826: return;
1827: }
1828: my ($result,$cached) =
1829: &Apache::lonnet::is_cached_new('getcourseroles',$cdom.'_'.$cnum);
1830: if (defined($cached)) {
1831: if (ref($result) eq 'HASH') {
1832: if ((ref($result->{'roles'}) eq 'HASH') &&
1833: (ref($result->{'seccount'}) eq 'HASH')) {
1834: %{$courseroles} = %{$result->{'roles'}};
1835: %{$seccount} = %{$result->{'seccount'}};
1836: return;
1837: }
1838: }
1839: }
1840: my %gotnosection;
1841: my %adv_roles =
1842: &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
1843: foreach my $role (keys(%adv_roles)) {
1844: my ($urole,$usec) = split(/:/,$role);
1845: if (!$gotnosection{$urole}) {
1846: $seccount->{$urole} ++;
1847: $gotnosection{$urole} = 1;
1848: }
1849: if (ref($courseroles->{$urole}) eq 'ARRAY') {
1850: if ($usec ne '') {
1851: if (!grep(/^Q$usec\E$/,@{$courseroles->{$urole}})) {
1852: push(@{$courseroles->{$urole}},$usec);
1853: $seccount->{$urole} ++;
1854: }
1855: }
1856: } else {
1857: @{$courseroles->{$urole}} = ();
1858: if ($usec ne '') {
1859: $seccount->{$urole} ++;
1860: push(@{$courseroles->{$urole}},$usec);
1861: }
1862: }
1863: }
1864: my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum,['st']);
1865: @{$courseroles->{'st'}} = ();
1866: if (keys(%sections_count) > 0) {
1867: push(@{$courseroles->{'st'}},keys(%sections_count));
1868: $seccount->{'st'} = scalar(keys(%sections_count));
1869: }
1870: my $rolehash = {
1871: 'roles' => $courseroles,
1872: 'seccount' => $seccount,
1873: };
1874: &Apache::lonnet::do_cache_new('getcourseroles',$cdom.'_'.$cnum,$rolehash);
1875: return;
1876: }
1877:
1878: sub jump_to_role {
1879: my ($cdom,$cnum,$seccount,$courseroles) = @_;
1880: my %lt = &Apache::lonlocal::texthash(
1881: this => 'This role has section(s) associated with it.',
1882: ente => 'Enter a specific section.',
1883: orlb => 'Enter a specific section, or leave blank for no section.',
1884: avai => 'Available sections are:',
1885: youe => 'You entered an invalid section choice:',
1886: plst => 'Please try again',
1887: );
1888: my $js;
1889: if (ref($courseroles) eq 'HASH') {
1890: $js = ' var secpick = new Array("'.$lt{'ente'}.'","'.$lt{'orlb'}.'");'."\n".
1891: ' var numsec = new Array();'."\n".
1892: ' var rolesections = new Array();'."\n".
1893: ' var rolenames = new Array();'."\n".
1894: ' var roleseclist = new Array();'."\n";
1895: my @items = keys(%{$courseroles});
1896: for (my $i=0; $i<@items; $i++) {
1897: $js .= ' rolenames['.$i.'] = "'.$items[$i].'";'."\n";
1898: my ($secs,$secstr);
1899: if (ref($courseroles->{$items[$i]}) eq 'ARRAY') {
1900: my @sections = sort { $a <=> $b } @{$courseroles->{$items[$i]}};
1901: $secs = join('","',@sections);
1902: $secstr = join(', ',@sections);
1903: }
1904: $js .= ' rolesections['.$i.'] = new Array("'.$secs.'");'."\n".
1905: ' roleseclist['.$i.'] = "'.$secstr.'";'."\n".
1906: ' numsec['.$i.'] = "'.$seccount->{$items[$i]}.'";'."\n";
1907: }
1908: }
1909: return <<"END";
1910: <script type="text/javascript">
1911: //<![CDATA[
1912: function adhocRole(roleitem) {
1913: $js
1914: var newrole = document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value;
1915: if (newrole == '') {
1916: return;
1917: }
1918: var fullrole = newrole+'./$cdom/$cnum';
1919: var selidx = '';
1920: for (var i=0; i<rolenames.length; i++) {
1921: if (rolenames[i] == newrole) {
1922: selidx = i;
1923: }
1924: }
1925: var secok = 1;
1926: var secchoice = '';
1927: if (selidx >= 0) {
1928: if (numsec[selidx] > 1) {
1929: secok = 0;
1930: var numrolesec = rolesections[selidx].length;
1931: var msgidx = numsec[selidx] - numrolesec;
1932: secchoice = prompt("$lt{'this'}\\n"+secpick[msgidx]+"\\n$lt{'avai'} "+roleseclist[selidx],"");
1933: if (secchoice == '') {
1934: if (msgidx > 0) {
1935: secok = 1;
1936: }
1937: } else {
1938: for (var j=0; j<rolesections[selidx].length; j++) {
1939: if (rolesections[selidx][j] == secchoice) {
1940: secok = 1;
1941: }
1942: }
1943: }
1944: } else {
1945: if (rolesections[selidx].length == 1) {
1946: secchoice = rolesections[selidx][0];
1947: }
1948: }
1949: }
1950: if (secok == 1) {
1951: if (secchoice != '') {
1952: fullrole += '/'+secchoice;
1953: }
1954: } else {
1955: document.rolechooser.elements[roleitem].selectedIndex = 0;
1956: if (secchoice != null) {
1957: alert("$lt{'youe'} \\""+secchoice+"\\".\\n $lt{'plst'}");
1958: }
1959: return;
1960: }
1961: if (fullrole == "$env{'request.role'}") {
1962: return;
1963: }
1964: itemid = retrieveIndex('gotorole');
1965: if (itemid != -1) {
1966: document.rolechooser.elements[itemid].name = fullrole;
1967: }
1968: document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value = fullrole;
1969: document.rolechooser.selectrole.value = '1';
1970: document.rolechooser.submit();
1971: return;
1972: }
1973:
1974: function retrieveIndex(item) {
1975: for (var i=0;i<document.rolechooser.elements.length;i++) {
1976: if (document.rolechooser.elements[i].name == item) {
1977: return i;
1978: }
1979: }
1980: return -1;
1981: }
1982: // ]]>
1983: </script>
1984: END
1985: }
1986:
1987:
1988: # ================================================================ Main Program
1989:
1990: BEGIN {
1991: if (! defined($readdesk)) {
1992: {
1993: my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
1994: if ( CORE::open( my $config,"<$tabfile") ) {
1995: while (my $configline=<$config>) {
1996: $configline=(split(/\#/,$configline))[0];
1997: $configline=~s/^\s+//;
1998: chomp($configline);
1999: if ($configline=~/^cat\:/) {
2000: my @entries=split(/\:/,$configline);
2001: $category_positions{$entries[2]}=$entries[1];
2002: $category_names{$entries[2]}=$entries[3];
2003: } elsif ($configline=~/^prim\:/) {
2004: my @entries = (split(/\:/, $configline))[1..5];
2005: push @primary_menu, \@entries;
2006: } elsif ($configline=~/^scnd\:/) {
2007: my @entries = (split(/\:/, $configline))[1..5];
2008: push @secondary_menu, \@entries;
2009: } elsif ($configline) {
2010: push(@desklines,$configline);
2011: }
2012: }
2013: CORE::close($config);
2014: }
2015: }
2016: $readdesk='done';
2017: }
2018: }
2019:
2020: 1;
2021: __END__
2022:
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