1: # The LearningOnline Network with CAPA
2: # Routines to control the menu
3: #
4: # $Id: lonmenu.pm,v 1.296 2009/10/28 09:01:59 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 hidden_button_check()
117:
118: =item roles_selector()
119:
120: =item jump_to_role()
121:
122: =back
123:
124: =cut
125:
126: package Apache::lonmenu;
127:
128: use strict;
129: use Apache::lonnet;
130: use Apache::lonhtmlcommon();
131: use Apache::loncommon();
132: use Apache::lonenc();
133: use Apache::lonlocal;
134: use LONCAPA qw(:DEFAULT :match);
135: use HTML::Entities();
136:
137: use vars qw(@desklines %category_names %category_members %category_positions
138: $readdesk @primary_menu @secondary_menu);
139:
140: my @inlineremote;
141:
142: sub prep_menuitem {
143: my ($menuitem) = @_;
144: return '' unless(ref($menuitem) eq 'ARRAY');
145: my $link;
146: if ($$menuitem[1]) { # graphical Link
147: $link = "<img class=\"LC_noBorder\""
148: . " src=\"" . &Apache::loncommon::lonhttpdurl($$menuitem[1]) . "\""
149: . " alt=\"" . &mt($$menuitem[2]) . "\" />";
150: } else { # textual Link
151: $link = &mt($$menuitem[3]);
152: }
153: return '<li><a href="'.$$menuitem[0].'">'.$link.'</a></li>';
154: }
155:
156: # primary_menu() evaluates @primary_menu and returns XHTML for the menu
157: # that contains following links:
158: # About, Message, Roles, Help, Logout
159: # @primary_menu is filled within the BEGIN block of this module with
160: # entries from mydesk.tab
161: sub primary_menu {
162: my $menu;
163: # each element of @primary contains following array:
164: # (link url, icon path, alt text, link text, condition)
165: foreach my $menuitem (@primary_menu) {
166: # evaluate conditions
167: next if ref($menuitem) ne 'ARRAY'; #
168: next if $$menuitem[4] eq 'nonewmsg' # show links depending on
169: && &Apache::lonmsg::mynewmail(); # whether a new msg
170: next if $$menuitem[4] eq 'newmsg' # arrived or not
171: && !&Apache::lonmsg::mynewmail(); #
172: next if $$menuitem[4] !~ /public/ ##we've a public user,
173: && $env{'user.name'} eq 'public' ##who should not see all
174: && $env{'user.domain'} eq 'public'; ##links
175: next if $$menuitem[4] eq 'onlypublic'# hide links which are
176: && $env{'user.name'} ne 'public' # only visible to public
177: && $env{'user.domain'} ne 'public'; # users
178: next if $$menuitem[4] eq 'roles' ##show links depending on
179: && &Apache::loncommon::show_course(); ##term 'Courses' or
180: next if $$menuitem[4] eq 'courses' ##'Roles' wanted
181: && !&Apache::loncommon::show_course(); ##
182:
183:
184: if ($$menuitem[3] eq 'Help') { # special treatment for helplink
185: $menu .= '<li>'.&Apache::loncommon::top_nav_help('Help').'</li>';
186: } else {
187: my @items = @{$menuitem};
188: $items[0] = 'javascript:'.$menuitem->[0].';';
189: $menu .= &prep_menuitem(\@items);
190: }
191: }
192:
193: return "<ol class=\"LC_primary_menu LC_right\">$menu</ol>";
194: }
195:
196:
197: sub secondary_menu {
198: my $menu;
199:
200: my $crstype = &Apache::loncommon::course_type();
201: my $canedit = &Apache::lonnet::allowed('mdc', $env{'request.course.id'});
202: my $canviewgrps = &Apache::lonnet::allowed('vcg', $env{'request.course.id'}
203: . ($env{'request.course.sec'} ? "/$env{'request.course.sec'}"
204: : ''));
205: my $showlink = &show_return_link();
206: my %groups = &Apache::lonnet::get_active_groups(
207: $env{'user.domain'}, $env{'user.name'},
208: $env{'course.' . $env{'request.course.id'} . '.domain'},
209: $env{'course.' . $env{'request.course.id'} . '.num'});
210: foreach my $menuitem (@secondary_menu) {
211: # evaluate conditions
212: next if ref($menuitem) ne 'ARRAY';
213: next if $$menuitem[4] ne 'always'
214: && !$env{'request.course.id'};
215: next if $$menuitem[4] eq 'showreturn'
216: && !$showlink
217: && !($env{'request.state'} eq 'construct');
218: next if $$menuitem[4] =~ /^mdc/
219: && !$canedit;
220: next if $$menuitem[4] eq 'mdcCourse'
221: && $crstype eq 'Community';
222: next if $$menuitem[4] eq 'mdcCommunity'
223: && $crstype ne 'Community';
224: next if $$menuitem[4] =~ /^remotenav/
225: && $env{'environment.remotenavmap'} ne 'on';
226: next if $$menuitem[4] =~ /noremotenav/
227: && $env{'environment.remotenavmap'} eq 'on';
228: next if $$menuitem[4] =~ /^(no|)remotenav$/
229: && $crstype eq 'Community';
230: next if $$menuitem[4] =~ /^(no|)remotenavCommunity$/
231: && $crstype ne 'Community';
232: next if $$menuitem[4] =~ /showgroups$/
233: && $canviewgrps
234: && !%groups;
235:
236: if ($$menuitem[3] eq 'Roles' && $env{'request.course.id'}) {
237: # special treatment for role selector
238: my $roles_selector = roles_selector(
239: $env{'course.' . $env{'request.course.id'} . '.domain'},
240: $env{'course.' . $env{'request.course.id'} . '.num'} );
241:
242: $menu .= $roles_selector ? "<li>$roles_selector</li>"
243: : '';
244: } elsif ($env{'environment.remotenavmap'} eq 'on') {
245: # open link using javascript when remote navmap is activated
246: my @items = @{$menuitem};
247: if ($menuitem->[4] eq 'remotenav') {
248: $items[0] = "javascript:gonav('$menuitem->[0]');";
249: } else {
250: $items[0] = "javascript:go('$menuitem->[0]');";
251: }
252: $menu .= &prep_menuitem(\@items);
253: } else {
254: $menu .= &prep_menuitem(\@$menuitem);
255: }
256: }
257: if ($menu =~ /\[url\].*\[symb\]/) {
258: my $escurl = &escape( &Apache::lonenc::check_encrypt(
259: $env{'request.noversionuri'}));
260:
261: my $escsymb = &escape( &Apache::lonenc::check_encrypt(
262: $env{'request.symb'}));
263:
264: if ( $env{'request.state'} eq 'construct'
265: and ( $env{'request.noversionuri'} eq ''
266: || !defined($env{'request.noversionuri'})))
267: {
268: ($escurl = $env{'request.filename'}) =~
269: s{^/home/([^/]+)/public_html/(.*)$}{/priv/$1/$2};
270:
271: $escurl = &escape($escurl);
272: }
273: $menu =~ s/\[url\]/$escurl/g;
274: $menu =~ s/\[symb\]/$escsymb/g;
275: }
276:
277: return "<ul id=\"LC_secondary_menu\">$menu</ul>";
278: }
279:
280:
281: #
282: # This routine returns a translated hash for the menu items in the top inline menu row
283: # Probably should be in mydesk.tab
284:
285: #SD this sub is deprecated - don't use it
286: sub initlittle {
287: return &Apache::lonlocal::texthash('ret' => 'Return to Last Location',
288: 'nav' => 'Course Contents',
289: 'main' => 'Main Menu',
290: 'roles' => (&Apache::loncommon::show_course()?
291: 'Courses':'Roles'),
292: 'other' => 'Other Roles',
293: 'docs' => 'Edit Course',
294: 'exit' => 'Logout',
295: 'login' => 'Log In',
296: 'launch' => 'Launch Remote Control',
297: 'groups' => 'Groups',
298: 'gdoc' => 'Community Documents',
299: );
300: }
301:
302: #SD this sub is deprecated - don't use it
303: #SD functionality is covered by new loncommon::bodytag and primary_menu(), secondary_menu()
304: sub menubuttons {
305: my $forcereg=shift;
306: my $titletable=shift;
307: #
308: # Early-out for pages that should not have a menu, triggered by query string "inhibitmenu=yes"
309: #
310: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
311: ['inhibitmenu']);
312: if (($env{'form.inhibitmenu'} eq 'yes') ||
313: ($ENV{'REQUEST_URI'} eq '/adm/logout')) { return ''; }
314:
315: if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
316:
317: my %lt=&initlittle();
318: my $navmaps='';
319: my $reloadlink='';
320: my $docs='';
321: my $groups='';
322: my $roles='<a href="/adm/roles" target="_top">'.$lt{'roles'}.'</a>';
323: my $role_selector;
324: my $showgroups=0;
325: my ($cnum,$cdom);
326: #
327: # if the URL is hidden, symbs and the non-versioned version of the URL would be encrypted
328: #
329: my $escurl=&escape(&Apache::lonenc::check_encrypt($env{'request.noversionuri'}));
330: my $escsymb=&escape(&Apache::lonenc::check_encrypt($env{'request.symb'}));
331:
332: my $logo=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/minilogo.gif");
333: $logo = '<a href="/adm/about.html"><img src="'.
334: $logo.'" alt="LON-CAPA Logo" class="LC_noBorder" /></a>';
335:
336: if ($env{'request.state'} eq 'construct') {
337: #
338: # We are in construction space
339: #
340: if (($env{'request.noversionuri'} eq '') || (!defined($env{'request.noversionuri'}))) {
341: my $returnurl = $env{'request.filename'};
342: $returnurl =~ s:^/home/([^/]+)/public_html/(.*)$:/priv/$1/$2:;
343: $escurl = &escape($returnurl);
344: }
345: }
346: if ($env{'request.course.id'}) {
347: #
348: # We are in a course
349: #
350: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
351: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
352: my %coursegroups;
353: my $viewgrps_permission =
354: &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
355: if (!$viewgrps_permission) {
356: %coursegroups = &Apache::lonnet::get_active_groups($env{'user.domain'},$env{'user.name'},$cdom,$cnum);
357: }
358: if ((keys(%coursegroups) > 0) || ($viewgrps_permission)) {
359: $showgroups = 1;
360: }
361: $role_selector = &roles_selector($cdom,$cnum);
362: if ($role_selector) {
363: $roles = '<span class="LC_nobreak">'.$role_selector.' <a href="/adm/roles" target="_top">'.$lt{'other'}.'</a></span>';
364: }
365: }
366:
367: if ($env{'environment.remote'} eq 'off') {
368: # Remote Control is switched off
369: # figure out colors
370: my %lt=&initlittle();
371:
372: my $domain=&Apache::loncommon::determinedomain();
373: my $function=&Apache::loncommon::get_users_function();
374: my $link=&Apache::loncommon::designparm($function.'.link',$domain);
375: my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
376: my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
377: my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
378:
379: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
380: return (<<ENDINLINEMENU);
381: <ol class="LC_primary_menu LC_right">
382: <li>$logo</li>
383: <li><a href="/adm/roles" target="_top">$lt{'login'}</a></li>
384: </ol>
385: <hr />
386: ENDINLINEMENU
387: }
388: $roles = '<a href="/adm/roles" target="_top">'.$lt{'roles'}.'</a>';
389: # Do we have a NAV link?
390: if ($env{'request.course.id'}) {
391: my $link='/adm/navmaps?postdata='.$escurl.'&postsymb='.
392: $escsymb;
393: if ($env{'environment.remotenavmap'} eq 'on') {
394: $link="javascript:gonav('".$link."')";
395: }
396: $navmaps=(<<ENDNAV);
397: <li><a href="$link" target="_top">$lt{'nav'}</a></li>
398: ENDNAV
399: my $is_community =
400: (&Apache::loncommon::course_type() eq 'Community');
401: if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
402: my $text = ($is_community) ? $lt{'gdoc'} : $lt{'docs'};
403: $docs=(<<ENDDOCS);
404: <li><a href="/adm/coursedocs" target="_top">$text</a></li>
405: ENDDOCS
406: }
407: if ($showgroups) {
408: $groups =(<<ENDGROUPS);
409: <li><a href="/adm/coursegroups" target="_top">$lt{'groups'}</a></li>
410: ENDGROUPS
411: }
412: if (&show_return_link()) {
413: my $escreload=&escape('return:');
414: $reloadlink=(<<ENDRELOAD);
415: <li><a href="/adm/flip?postdata=$escreload" target="_top">$lt{'ret'}</a></li>
416: ENDRELOAD
417: }
418: if ($role_selector) {
419: #$roles = '<td>'.$role_selector.'</td><td><a href="/adm/roles" target="_top">'.$lt{'other'}.'</a></td>';
420: $role_selector = '<li>'.$role_selector.'</li>';
421: }
422: }
423: if (($env{'request.state'} eq 'construct') && ($env{'request.course.id'})) {
424: my $escreload=&escape('return:');
425: $reloadlink=(<<ENDCRELOAD);
426: <li><a href="/adm/flip?postdata=$escreload" target="_top">$lt{'ret'}</a></li>
427: ENDCRELOAD
428: }
429: my $reg = $forcereg ? &innerregister($forcereg,$titletable) : '';
430: my $form = &serverform();
431: my $utility = &utilityfunctions();
432:
433: #Prepare the message link that indicates the arrival of new mail
434: my $messagelink = &Apache::lonmsg::mynewmail() ? "Message (new)" : "Message";
435: $messagelink = '<a href="javascript:go(\'/adm/communicate\');">'
436: . mt($messagelink) .'</a>';
437:
438: my $helplink = &Apache::loncommon::top_nav_help('Help');
439: return (<<ENDINLINEMENU);
440: <script type="text/javascript">
441: // <![CDATA[
442: // BEGIN LON-CAPA Internal
443: $utility
444: // ]]>
445: </script>
446: <ol class="LC_primary_menu LC_right">
447: <li>$logo</li>
448: <li>$messagelink</li>
449: <li>$roles</li>
450: <li>$helplink</li>
451: <li><a href="/adm/logout" target="_top">$lt{'exit'}</a></li>
452: </ol>
453: <ul id="LC_secondary_menu">
454: <li><a href="/adm/menu" target="_top">$lt{'main'}</a></li>
455: $reloadlink
456: $navmaps
457: $docs
458: $groups
459: $role_selector
460: </ul>
461: $form
462: <script type="text/javascript">
463: // END LON-CAPA Internal
464: </script>
465: $reg
466: ENDINLINEMENU
467: } else {
468: return '';
469: }
470: }
471:
472: sub show_return_link {
473: return (($env{'request.noversionuri'}=~m{^/(res|public)/} &&
474: $env{'request.symb'} eq '')
475: ||
476: ($env{'request.noversionuri'}=~ m{^/cgi-bin/printout.pl})
477: ||
478: (($env{'request.noversionuri'}=~/^\/adm\//) &&
479: ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
480: ($env{'request.noversionuri'}!~
481: m[^/adm/.*/(smppg|bulletinboard|aboutme)($|\?)])
482: ));
483: }
484:
485:
486: sub registerurl {
487: my ($forcereg) = @_;
488: my $result = '';
489: if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
490: my $force_title='';
491: if ($env{'request.state'} eq 'construct') {
492: $force_title=&Apache::lonxml::display_title();
493: }
494: if (($env{'environment.remote'} eq 'off') ||
495: ((($env{'request.publicaccess'}) ||
496: (!&Apache::lonnet::is_on_map(
497: &unescape($env{'request.noversionuri'})))) &&
498: (!$forcereg))) {
499: return
500: $result
501: .'<script type="text/javascript">'."\n"
502: .'// <![CDATA['."\n"
503: .'function LONCAPAreg(){;} function LONCAPAstale(){}'."\n"
504: .'// ]]>'."\n"
505: .'</script>'
506: .$force_title;
507: }
508: # Graphical display after login only
509: if ($env{'request.registered'} && !$forcereg) { return ''; }
510: $result.=&innerregister($forcereg);
511: return $result.$force_title;
512: }
513:
514: sub innerregister {
515: my ($forcereg, $titletable) = @_;
516: my $result = '';
517: my ($uname,$thisdisfn);
518: my $const_space = ($env{'request.state'} eq 'construct');
519: my $is_const_dir = 0;
520:
521: if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
522:
523: $env{'request.registered'} = 1;
524:
525: my $noremote = ($env{'environment.remote'} eq 'off');
526:
527: undef(@inlineremote);
528:
529: my $reopen=&Apache::lonmenu::reopenmenu();
530:
531: my $newmail='';
532:
533: if (&Apache::lonmsg::newmail() && !$noremote) {
534: # We have new mail and remote is up
535: $newmail= 'swmenu.setstatus("you have","messages");';
536: }
537:
538: my ($breadcrumb,$separator);
539: if ($noremote
540: && ($env{'request.symb'})
541: && ($env{'request.course.id'})) {
542:
543: my ($mapurl,$rid,$resurl) = &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
544: my $coursetitle = $env{'course.'.$env{'request.course.id'}.'.description'};
545:
546: my $maptitle = &Apache::lonnet::gettitle($mapurl);
547: my $restitle = &Apache::lonnet::gettitle(&Apache::lonnet::symbread());
548: my @crumbs = ({text => "Course Contents",
549: href => "Javascript:gonav('/adm/navmaps')"});
550:
551: if ($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'}) {
552: push(@crumbs, {text => '...',
553: no_mt => 1});
554: }
555:
556: push @crumbs, {text => $maptitle, no_mt => 1} if ($maptitle
557: && $maptitle ne 'default.sequence'
558: && $maptitle ne $coursetitle);
559:
560: push @crumbs, {text => $restitle, no_mt => 1} if $restitle;
561:
562: &Apache::lonhtmlcommon::clear_breadcrumbs();
563: &Apache::lonhtmlcommon::add_breadcrumb(@crumbs);
564: $breadcrumb .= &Apache::lonhtmlcommon::breadcrumbs(undef,undef,0);
565: unless (($env{'request.state'} eq 'edit') || ($newmail) ||
566: ($env{'request.state'} eq 'construct') ||
567: ($env{'form.register'})) {
568: $separator = &Apache::loncommon::head_subbox();
569: }
570: #
571: }
572: if ($env{'request.state'} eq 'construct') {
573: $newmail = $titletable;
574: }
575: my $timesync = ( $noremote ? '' : 'swmenu.syncclock(1000*'.time.');' );
576: my $tablestart = ( $noremote ? '<table id="LC_menubuttons">' : '');
577: my $tableend = ( $noremote ? '</table>' : '');
578: # =============================================================================
579: # ============================ This is for URLs that actually can be registered
580: if (($env{'request.noversionuri'}!~m{^/(res/)*adm/}) || ($forcereg)) {
581: # -- This applies to homework problems for users with grading privileges
582: my $crs='/'.$env{'request.course.id'};
583: if ($env{'request.course.sec'}) {
584: $crs.='_'.$env{'request.course.sec'};
585: }
586: $crs=~s/\_/\//g;
587:
588: my $hwkadd='';
589: if ($env{'request.symb'} ne '' &&
590: $env{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
591: if (&Apache::lonnet::allowed('mgr',$crs)) {
592: $hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_4]',
593: "gocmd('/adm/grades','gradingmenu')",
594: 'Modify user grades for this assessment resource');
595: } elsif (&Apache::lonnet::allowed('vgr',$crs)) {
596: $hwkadd.=&switch('','',7,2,'subm.gif','view sub-[_1]','missions[_1]',
597: "gocmd('/adm/grades','submission')",
598: 'View user submissions for this assessment resource');
599: }
600: }
601: if ($env{'request.symb'} ne '' &&
602: &Apache::lonnet::allowed('opa',$crs)) {
603: $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
604: "gocmd('/adm/parmset','set')",
605: 'Modify parameter settings for this resource');
606: }
607: # -- End Homework
608: ###
609: ### Determine whether or not to display the 'cstr' button for this
610: ### resource
611: ###
612: my $editbutton = '';
613: my $noeditbutton = 1;
614: my ($cnum,$cdom);
615: if ($env{'request.course.id'}) {
616: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
617: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
618: }
619: if ($env{'user.author'}) {
620: if ($env{'request.role'}=~/^(aa|ca|au)/) {
621: #
622: # We have the role of an author
623: #
624: # Set defaults for authors
625: my ($top,$bottom) = ('con-','struct');
626: my $action = "go('/priv/".$env{'user.name'}."');";
627: my $cadom = $env{'request.role.domain'};
628: my $caname = $env{'user.name'};
629: my $desc = "Enter my construction space";
630: # Set defaults for co-authors
631: if ($env{'request.role'} =~ /^ca/) {
632: ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
633: ($top,$bottom) = ('co con-','struct');
634: $action = "go('/priv/".$caname."');";
635: $desc = "Enter construction space as co-author";
636: } elsif ($env{'request.role'} =~ /^aa/) {
637: ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
638: ($top,$bottom) = ('co con-','struct');
639: $action = "go('/priv/".$caname."');";
640: $desc = "Enter construction space as assistant co-author";
641: }
642: # Check that we are on the correct machine
643: my $home = &Apache::lonnet::homeserver($caname,$cadom);
644: my $allowed=0;
645: my @ids=&Apache::lonnet::current_machine_ids();
646: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
647: if (!$allowed) {
648: $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
649: $noeditbutton = 0;
650: }
651: }
652: #
653: # We are an author for some stuff, but currently do not have the role of author.
654: # Figure out if we have authoring privileges for the resource we are looking at.
655: # This should maybe become a privilege check in lonnet
656: #
657: ##
658: ## Determine if user can edit url.
659: ##
660: my $cfile='';
661: my $cfuname='';
662: my $cfudom='';
663: my $uploaded;
664: if ($env{'request.filename'}) {
665: my $file=&Apache::lonnet::declutter($env{'request.filename'});
666: if (defined($cnum) && defined($cdom)) {
667: $uploaded = &is_course_upload($file,$cnum,$cdom);
668: }
669: if (!$uploaded) {
670: $file=~s/^($match_domain)\/($match_username)/\/priv\/$2/;
671: # Check that the user has permission to edit this resource
672: ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
673: if (defined($cfudom)) {
674: my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
675: my $allowed=0;
676: my @ids=&Apache::lonnet::current_machine_ids();
677: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
678: if ($allowed) {
679: $cfile=$file;
680: }
681: }
682: }
683: }
684: # Finally, turn the button on or off
685: if ($cfile && !$const_space) {
686: $editbutton=&switch
687: ('','',6,1,'pcstr.gif','edit[_1]','resource[_2]',
688: "go('".$cfile."');","Edit this resource");
689: $noeditbutton = 0;
690: } elsif ($editbutton eq '') {
691: $editbutton=&clear(6,1);
692: }
693: }
694: if (($noeditbutton) && ($env{'request.filename'})) {
695: if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
696: my $file=&Apache::lonnet::declutter($env{'request.filename'});
697: if (defined($cnum) && defined($cdom)) {
698: if (&is_course_upload($file,$cnum,$cdom)) {
699: my $cfile = &edit_course_upload($file,$cnum,$cdom);
700: if ($cfile) {
701: $editbutton=&switch
702: ('','',6,1,'pcstr.gif','edit[_1]',
703: 'resource[_2]',"go('".$cfile."');",
704: 'Edit this resource');
705: }
706: }
707: }
708: }
709: }
710: ###
711: ###
712: # Prepare the rest of the buttons
713: my $menuitems;
714: if ($const_space) {
715: #
716: # We are in construction space
717: #
718: my ($uname,$thisdisfn) =
719: ($env{'request.filename'}=~m|^/home/([^/]+)/public_html/(.*)|);
720: my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
721: if ($currdir =~ m-/$-) {
722: $is_const_dir = 1;
723: } else {
724: $currdir =~ s|[^/]+$||;
725: my $cleandisfn = &Apache::loncommon::escape_single($thisdisfn);
726: my $esc_currdir = &Apache::loncommon::escape_single($currdir);
727: #
728: # Probably should be in mydesk.tab
729: #
730: $menuitems=(<<ENDMENUITEMS);
731: s&6&1&list.gif&list[_1]&dir[_1]&golist('$esc_currdir')&List current directory
732: s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$cleandisfn')&Retrieve old version
733: s&6&3&pub.gif&publish[_1]&resource[_3]&gocstr('/adm/publish','/~$uname/$cleandisfn')&Publish this resource
734: s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$cleandisfn')&Delete this resource
735: s&7&2&prt.gif&prepare[_1]&printout[_1]&gocstr('/adm/printout','/~$uname/$cleandisfn')&Prepare a printable document
736: ENDMENUITEMS
737: }
738: } elsif ( defined($env{'request.course.id'}) &&
739: $env{'request.symb'} ne '' ) {
740: #
741: # We are in a course and looking at a registred URL
742: # Should probably be in mydesk.tab
743: #
744: $menuitems=(<<ENDMENUITEMS);
745: c&3&1
746: s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&&1
747: s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&&3
748: c&6&3
749: c&8&1
750: c&8&2
751: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
752: s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&&1
753: ENDMENUITEMS
754:
755: my $currentURL = &Apache::loncommon::get_symb();
756: my ($symb_old,$symb_old_enc) = &Apache::loncommon::clean_symb($currentURL);
757: my $annotation = &Apache::loncommon::get_annotation($symb_old,$symb_old_enc);
758: $menuitems.="s&9&3&";
759: if(length($annotation) > 0){
760: $menuitems.="anot2.gif";
761: }else{
762: $menuitems.="anot.gif";
763: }
764: $menuitems.="&anno-[_1]&tations[_1]&annotate()&";
765: $menuitems.="Make notes and annotations about this resource&&1\n";
766:
767: unless ($noremote) {
768: my $showreqcrs = &check_for_rcrs();
769: if ($showreqcrs) {
770: $menuitems.="s&8&1&rcrs.gif&request[_1]&course[_16]".
771: "&go('/adm/requestcourse')&Course requests\n";
772: }
773: }
774: unless ($env{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
775: if ((!$env{'request.enc'}) && ($env{'request.noversionuri'} !~ m{^/adm/wrapper/ext/})) {
776: $menuitems.=(<<ENDREALRES);
777: s&6&3&catalog.gif&catalog[_2]&info[_1]&catalog_info()&Show Metadata
778: ENDREALRES
779: }
780: $menuitems.=(<<ENDREALRES);
781: s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
782: s&8&2&fdbk.gif&feedback[_1]&discuss[_1]&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
783: ENDREALRES
784: }
785: }
786: if ($env{'request.uri'} =~ /^\/res/) {
787: $menuitems .= (<<ENDMENUITEMS);
788: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
789: ENDMENUITEMS
790: }
791: my $buttons='';
792: foreach (split(/\n/,$menuitems)) {
793: my ($command,@rest)=split(/\&/,$_);
794: my $idx=10*$rest[0]+$rest[1];
795: if (&hidden_button_check() eq 'yes') {
796: if ($idx == 21 ||$idx == 23) {
797: $buttons.=&switch('','',@rest);
798: } else {
799: $buttons.=&clear(@rest);
800: }
801: } else {
802: if ($command eq 's') {
803: $buttons.=&switch('','',@rest);
804: } else {
805: $buttons.=&clear(@rest);
806: }
807: }
808: }
809:
810: if ($noremote) {
811: my $addremote=0;
812: foreach (@inlineremote) { if ($_ ne '') { $addremote=1; last;} }
813: my $inlinebuttons='';
814: if ($addremote) {
815: # Registered, textual output
816: if ($env{'environment.icons'} eq 'iconsonly') {
817: $inlinebuttons=(<<ENDARROWSINLINE);
818: <tr><td>
819: $inlineremote[21] $inlineremote[23]
820: ENDARROWSINLINE
821: if (&hidden_button_check() ne 'yes') {
822: $inlinebuttons .= (<<ENDINLINEICONS);
823: $inlineremote[61] $inlineremote[63]
824: $inlineremote[71] $inlineremote[72] $inlineremote[73]
825: $inlineremote[81] $inlineremote[82] $inlineremote[83]
826: $inlineremote[91] $inlineremote[92] $inlineremote[93]</td></tr>
827: ENDINLINEICONS
828: }
829: } else {
830: if ($inlineremote[21] ne '' || $inlineremote[23] ne '') {
831: $inlinebuttons=(<<ENDFIRSTLINE);
832: <tr><td>$inlineremote[21]</td><td> </td><td>$inlineremote[23]</td></tr>
833: ENDFIRSTLINE
834: }
835: if (&hidden_button_check() ne 'yes') {
836: foreach my $row (6..9) {
837: if ($inlineremote[${row}.'1'] ne ''
838: || $inlineremote[$row.'2'] ne ''
839: || $inlineremote[$row.'3'] ne '') {
840: $inlinebuttons .= <<"ENDLINE";
841: <tr><td>$inlineremote["${row}1"]</td><td>$inlineremote["${row}2"]</td><td>$inlineremote["${row}3"]</td></tr>
842: ENDLINE
843: }
844: }
845: }
846: }
847: }
848: $result =(<<ENDREGTEXT);
849: <script type="text/javascript">
850: // BEGIN LON-CAPA Internal
851: </script>
852: $timesync
853: $breadcrumb
854: $tablestart
855: $inlinebuttons
856: $tableend
857: $newmail
858: $separator
859: <script type="text/javascript">
860: // END LON-CAPA Internal
861: </script>
862:
863: ENDREGTEXT
864: # Registered, graphical output
865: } else {
866: my $requri=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
867: $requri=&Apache::lonenc::check_encrypt(&unescape($requri));
868: my $cursymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
869: my $navstatus=&get_nav_status();
870: my $clearcstr;
871:
872: if ($env{'user.adv'}) { $clearcstr='clearbut(6,1)'; }
873: $result = (<<ENDREGTHIS);
874:
875: <script type="text/javascript">
876: // <![CDATA[
877: // BEGIN LON-CAPA Internal
878: var swmenu=null;
879:
880: function LONCAPAreg() {
881: swmenu=$reopen;
882: swmenu.clearTimeout(swmenu.menucltim);
883: $timesync
884: $newmail
885: $buttons
886: swmenu.currentURL="$requri";
887: swmenu.reloadURL=swmenu.currentURL+window.location.search;
888: swmenu.currentSymb="$cursymb";
889: swmenu.reloadSymb="$cursymb";
890: swmenu.currentStale=0;
891: $navstatus
892: $hwkadd
893: $editbutton
894: }
895:
896: function LONCAPAstale() {
897: swmenu=$reopen
898: swmenu.currentStale=1;
899: if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
900: swmenu.switchbutton
901: (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
902: }
903: swmenu.clearbut(7,2);
904: swmenu.clearbut(7,3);
905: swmenu.menucltim=swmenu.setTimeout(
906: 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
907: 'clearbut(9,1);clearbut(9,3);clearbut(6,3);$clearcstr',
908: 2000);
909: }
910:
911: // END LON-CAPA Internal
912: // ]]>
913: </script>
914: ENDREGTHIS
915: }
916: # =============================================================================
917: } else {
918: # ========================================== This can or will not be registered
919: if ($noremote) {
920: # Not registered
921: $result= (<<ENDDONOTREGTEXT);
922: ENDDONOTREGTEXT
923: } else {
924: # Not registered, graphical
925: $result = (<<ENDDONOTREGTHIS);
926:
927: <script type="text/javascript">
928: // <![CDATA[
929: // BEGIN LON-CAPA Internal
930: var swmenu=null;
931:
932: function LONCAPAreg() {
933: swmenu=$reopen
934: $timesync
935: swmenu.currentStale=1;
936: swmenu.clearbut(2,1);
937: swmenu.clearbut(2,3);
938: swmenu.clearbut(8,1);
939: swmenu.clearbut(8,2);
940: swmenu.clearbut(8,3);
941: if (swmenu.currentURL) {
942: swmenu.switchbutton
943: (3,1,'reload.gif','return','location','go(currentURL)');
944: } else {
945: swmenu.clearbut(3,1);
946: }
947: }
948:
949: function LONCAPAstale() {
950: }
951:
952: // END LON-CAPA Internal
953: // ]]>
954: </script>
955: ENDDONOTREGTHIS
956: }
957: # =============================================================================
958: }
959: return $result;
960: }
961:
962: sub is_course_upload {
963: my ($file,$cnum,$cdom) = @_;
964: my $uploadpath = &LONCAPA::propath($cdom,$cnum);
965: $uploadpath =~ s{^\/}{};
966: if (($file =~ m{^\Q$uploadpath\E/userfiles/docs/}) ||
967: ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/docs/})) {
968: return 1;
969: }
970: return;
971: }
972:
973: sub edit_course_upload {
974: my ($file,$cnum,$cdom) = @_;
975: my $cfile;
976: if ($file =~/\.(htm|html|css|js|txt)$/) {
977: my $ext = $1;
978: my $url = &Apache::lonnet::hreflocation('',$file);
979: my $home = &Apache::lonnet::homeserver($cnum,$cdom);
980: my @ids=&Apache::lonnet::current_machine_ids();
981: my $dest;
982: if ($home && grep(/^\Q$home\E$/,@ids)) {
983: $dest = $url.'?forceedit=1';
984: } else {
985: unless (&Apache::lonnet::get_locks()) {
986: $dest = '/adm/switchserver?otherserver='.
987: $home.'&role='.$env{'request.role'}.
988: '&url='.$url.'&forceedit=1';
989: }
990: }
991: if ($dest) {
992: $cfile = &HTML::Entities::encode($dest,'"<>&');
993: }
994: }
995: return $cfile;
996: }
997:
998: sub loadevents() {
999: if ($env{'request.state'} eq 'construct' ||
1000: $env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
1001: return 'LONCAPAreg();';
1002: }
1003:
1004: sub unloadevents() {
1005: if ($env{'request.state'} eq 'construct' ||
1006: $env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
1007: return 'LONCAPAstale();';
1008: }
1009:
1010:
1011: sub startupremote {
1012: my ($lowerurl)=@_;
1013: if ($env{'environment.remote'} eq 'off') {
1014: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
1015: }
1016: #
1017: # The Remote actually gets launched!
1018: #
1019: my $configmenu=&rawconfig();
1020: my $esclowerurl=&escape($lowerurl);
1021: my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
1022: return(<<ENDREMOTESTARTUP);
1023: <script type="text/javascript">
1024: // <![CDATA[
1025: var timestart;
1026: function wheelswitch() {
1027: if (typeof(document.wheel) != 'undefined') {
1028: if (typeof(document.wheel.spin) != 'undefined') {
1029: var date=new Date();
1030: var waited=Math.round(30-((date.getTime()-timestart)/1000));
1031: document.wheel.spin.value=$message;
1032: }
1033: }
1034: if (window.status=='|') {
1035: window.status='/';
1036: } else {
1037: if (window.status=='/') {
1038: window.status='-';
1039: } else {
1040: if (window.status=='-') {
1041: window.status='\\\\';
1042: } else {
1043: if (window.status=='\\\\') { window.status='|'; }
1044: }
1045: }
1046: }
1047: }
1048:
1049: // ---------------------------------------------------------- The wait function
1050: var canceltim;
1051: function wait() {
1052: if ((menuloaded==1) || (tim==1)) {
1053: window.status='Done.';
1054: if (tim==0) {
1055: clearTimeout(canceltim);
1056: $configmenu
1057: window.location='$lowerurl';
1058: } else {
1059: window.location='/adm/remote?action=collapse&url=$esclowerurl';
1060: }
1061: } else {
1062: wheelswitch();
1063: setTimeout('wait();',200);
1064: }
1065: }
1066:
1067: function main() {
1068: canceltim=setTimeout('tim=1;',30000);
1069: window.status='-';
1070: var date=new Date();
1071: timestart=date.getTime();
1072: wait();
1073: }
1074:
1075: // ]]>
1076: </script>
1077: ENDREMOTESTARTUP
1078: }
1079:
1080: sub setflags() {
1081: return(<<ENDSETFLAGS);
1082: <script type="text/javascript">
1083: // <![CDATA[
1084: menuloaded=0;
1085: tim=0;
1086: // ]]>
1087: </script>
1088: ENDSETFLAGS
1089: }
1090:
1091: sub maincall() {
1092: if ($env{'environment.remote'} eq 'off') { return ''; }
1093: return(<<ENDMAINCALL);
1094: <script type="text/javascript">
1095: // <![CDATA[
1096: main();
1097: // ]]>
1098: </script>
1099: ENDMAINCALL
1100: }
1101:
1102: sub load_remote_msg {
1103: my ($lowerurl)=@_;
1104:
1105: if ($env{'environment.remote'} eq 'off') { return ''; }
1106:
1107: my $esclowerurl=&escape($lowerurl);
1108: my $link=&mt('[_1]Continue[_2] on in Inline Menu mode'
1109: ,'<a href="/adm/remote?action=collapse&url='.$esclowerurl.'">'
1110: ,'</a>');
1111: return(<<ENDREMOTEFORM);
1112: <p>
1113: <form name="wheel">
1114: <input name="spin" type="text" size="60" />
1115: </form>
1116: </p>
1117: <p>$link</p>
1118: ENDREMOTEFORM
1119: }
1120:
1121: sub get_menu_name {
1122: my $hostid = $Apache::lonnet::perlvar{'lonHostID'};
1123: $hostid =~ s/\W//g;
1124: return 'LCmenu'.$hostid;
1125: }
1126:
1127:
1128: sub reopenmenu {
1129: if ($env{'environment.remote'} eq 'off') { return ''; }
1130: my $menuname = &get_menu_name();
1131: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
1132: return('window.open('.$nothing.',"'.$menuname.'","",false);');
1133: }
1134:
1135:
1136: sub open {
1137: my $returnval='';
1138: if ($env{'environment.remote'} eq 'off') {
1139: return
1140: '<script type="text/javascript">'."\n"
1141: .'// <![CDATA['."\n"
1142: .'self.name="loncapaclient";'."\n"
1143: .'// ]]>'."\n"
1144: .'</script>';
1145: }
1146: my $menuname = &get_menu_name();
1147:
1148: # unless (shift eq 'unix') {
1149: # resizing does not work on linux because of virtual desktop sizes
1150: # $returnval.=(<<ENDRESIZE);
1151: #if (window.screen) {
1152: # self.resizeTo(screen.availWidth-215,screen.availHeight-55);
1153: # self.moveTo(190,15);
1154: #}
1155: #ENDRESIZE
1156: # }
1157: $returnval=(<<ENDOPEN);
1158: // <![CDATA[
1159: window.status='Opening LON-CAPA Remote Control';
1160: var menu=window.open("/res/adm/pages/menu.html?inhibitmenu=yes","$menuname",
1161: "height=375,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
1162: self.name='loncapaclient';
1163: // ]]>
1164: ENDOPEN
1165: return '<script type="text/javascript">'.$returnval.'</script>';
1166: }
1167:
1168:
1169: # ================================================================== Raw Config
1170:
1171: sub clear {
1172: my ($row,$col)=@_;
1173: unless ($env{'environment.remote'} eq 'off') {
1174: if (($row<1) || ($row>13)) { return ''; }
1175: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
1176: } else {
1177: $inlineremote[10*$row+$col]='';
1178: return '';
1179: }
1180: }
1181:
1182: # ============================================ Switch a button or create a link
1183: # Switch acts on the javascript that is executed when a button is clicked.
1184: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
1185:
1186: sub switch {
1187: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat,$nobreak)=@_;
1188: $act=~s/\$uname/$uname/g;
1189: $act=~s/\$udom/$udom/g;
1190: $top=&mt($top);
1191: $bot=&mt($bot);
1192: $desc=&mt($desc);
1193: if (($env{'environment.remote'} ne 'off') || ($env{'environment.icons'} eq 'classic')) {
1194: $img=&mt($img);
1195: }
1196: my $idx=10*$row+$col;
1197: $category_members{$cat}.=':'.$idx;
1198:
1199: unless ($env{'environment.remote'} eq 'off') {
1200: if (($row<1) || ($row>13)) { return ''; }
1201: # Remote
1202: return "\n".
1203: qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
1204: } else {
1205: # Inline Remote
1206: if ($env{'environment.icons'} ne 'classic') {
1207: $img=~s/\.gif$/\.png/;
1208: }
1209: if ($nobreak==2) { return ''; }
1210: my $text=$top.' '.$bot;
1211: $text=~s/\s*\-\s*//gs;
1212:
1213: my $pic=
1214: '<img alt="'.$text.'" src="'.
1215: &Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$img).
1216: '" align="'.($nobreak==3?'right':'left').'" class="LC_noBorder" />';
1217: if ($env{'browser.interface'} eq 'faketextual') {
1218: # Main Menu
1219: if ($nobreak==3) {
1220: $inlineremote[$idx]="\n".
1221: '<td class="LC_menubuttons_text" align="right">'.$text.
1222: '</td><td align="left">'.
1223: '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
1224: } elsif ($nobreak) {
1225: $inlineremote[$idx]="\n<tr>".
1226: '<td align="left">'.
1227: '<a href="javascript:'.$act.';">'.$pic.'</a></td>
1228: <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>';
1229: } else {
1230: $inlineremote[$idx]="\n<tr>".
1231: '<td align="left">'.
1232: '<a href="javascript:'.$act.';">'.$pic.
1233: '</a></td><td class="LC_menubuttons_text" colspan="3">'.
1234: '<a class="LC_menubuttons_link" href="javascript:'.$act.';"><span class="LC_menubuttons_inline_text">'.$desc.'</span></a></td></tr>';
1235: }
1236: } else {
1237: # Inline Menu
1238: if ($env{'environment.icons'} eq 'iconsonly') {
1239: $inlineremote[$idx]='<a title="'.$desc.'" href="javascript:'.$act.';">'.$pic.'</a>';
1240: } else {
1241: $inlineremote[$idx]=
1242: '<a class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.
1243: '<span class="LC_menubuttons_inline_text">'.$desc.'</span></a>';
1244: }
1245: }
1246: }
1247: return '';
1248: }
1249:
1250: sub secondlevel {
1251: my $output='';
1252: my
1253: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat)=@_;
1254: if ($prt eq 'any') {
1255: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1256: } elsif ($prt=~/^r(\w+)/) {
1257: if ($rol eq $1) {
1258: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1259: }
1260: }
1261: return $output;
1262: }
1263:
1264: sub openmenu {
1265: my $menuname = &get_menu_name();
1266: if ($env{'environment.remote'} eq 'off') { return ''; }
1267: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
1268: return "window.open(".$nothing.",'".$menuname."');";
1269: }
1270:
1271: sub inlinemenu {
1272: undef(@inlineremote);
1273: undef(%category_members);
1274: # calling rawconfig with "1" will evaluate mydesk.tab, even if there is no active remote control
1275: &rawconfig(1);
1276: my $output='<table id="LC_mainmenu"><tr>';
1277: for (my $col=1; $col<=2; $col++) {
1278: $output.='<td class="LC_mainmenu_col_fieldset">';
1279: for (my $row=1; $row<=8; $row++) {
1280: foreach my $cat (keys(%category_members)) {
1281: if ($category_positions{$cat} ne "$col,$row") { next; }
1282: #$output.='<table><tr><td colspan="4" class="LC_menubuttons_category">'.&mt($category_names{$cat}).'</td></tr>';
1283: $output.='<div class="LC_Box">';
1284: $output.='<h4 class="LC_hcell">'.&mt($category_names{$cat}).'</h4>';
1285: $output.='<table>';
1286: my %active=();
1287: foreach my $menu_item (split(/\:/,$category_members{$cat})) {
1288: if ($inlineremote[$menu_item]) {
1289: $active{$menu_item}=1;
1290: }
1291: }
1292: foreach my $item (sort(keys(%active))) {
1293: $output.=$inlineremote[$item];
1294: }
1295: $output.='</table>';
1296: $output.='</div>';
1297: }
1298: }
1299: $output.="</td>";
1300: }
1301: $output.="</tr></table>";
1302: return $output;
1303: }
1304:
1305: sub rawconfig {
1306: #
1307: # This evaluates mydesk.tab
1308: # Need to add more positions and more privileges to deal with all
1309: # menu items.
1310: #
1311: my $textualoverride=shift;
1312: my $output='';
1313: unless ($env{'environment.remote'} eq 'off') {
1314: $output.=
1315: "window.status='Opening Remote Control';var swmenu=".&openmenu().
1316: "\nwindow.status='Configuring Remote Control ';";
1317: } else {
1318: unless ($textualoverride) { return ''; }
1319: }
1320: my $uname=$env{'user.name'};
1321: my $udom=$env{'user.domain'};
1322: my $adv=$env{'user.adv'};
1323: my $show_course=&Apache::loncommon::show_course();
1324: my $author=$env{'user.author'};
1325: my $crs='';
1326: my $crstype='';
1327: if ($env{'request.course.id'}) {
1328: $crs='/'.$env{'request.course.id'};
1329: if ($env{'request.course.sec'}) {
1330: $crs.='_'.$env{'request.course.sec'};
1331: }
1332: $crs=~s/\_/\//g;
1333: $crstype = &Apache::loncommon::course_type();
1334: }
1335: my $pub=($env{'request.state'} eq 'published');
1336: my $con=($env{'request.state'} eq 'construct');
1337: my $rol=$env{'request.role'};
1338: my $requested_domain = $env{'request.role.domain'};
1339: foreach my $line (@desklines) {
1340: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc,$cat)=split(/\:/,$line);
1341: $prt=~s/\$uname/$uname/g;
1342: $prt=~s/\$udom/$udom/g;
1343: if ($prt =~ /\$crs/) {
1344: next unless ($env{'request.course.id'});
1345: next if ($crstype eq 'Community');
1346: $prt=~s/\$crs/$crs/g;
1347: } elsif ($prt =~ /\$cmty/) {
1348: next unless ($env{'request.course.id'});
1349: next if ($crstype ne 'Community');
1350: $prt=~s/\$cmty/$crs/g;
1351: }
1352: $prt=~s/\$requested_domain/$requested_domain/g;
1353: if ($category_names{$cat}!~/\w/) { $cat='oth'; }
1354: if ($pro eq 'clear') {
1355: $output.=&clear($row,$col);
1356: } elsif ($pro eq 'any') {
1357: $output.=&secondlevel(
1358: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
1359: } elsif ($pro eq 'smp') {
1360: unless ($adv) {
1361: $output.=&secondlevel(
1362: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
1363: }
1364: } elsif ($pro eq 'adv') {
1365: if ($adv) {
1366: $output.=&secondlevel(
1367: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
1368: }
1369: } elsif ($pro eq 'shc') {
1370: if ($show_course) {
1371: $output.=&secondlevel(
1372: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
1373: }
1374: } elsif ($pro eq 'nsc') {
1375: if (!$show_course) {
1376: $output.=&secondlevel(
1377: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
1378: }
1379: } elsif (($pro=~/^p(\w+)/) && ($prt)) {
1380: my $priv = $1;
1381: if ($priv =~ /^mdc(Course|Community)/) {
1382: if ($crstype eq $1) {
1383: $priv = 'mdc';
1384: } else {
1385: next;
1386: }
1387: }
1388: if (&Apache::lonnet::allowed($priv,$prt)) {
1389: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1390: }
1391: } elsif ($pro eq 'course') {
1392: if (($env{'request.course.fn'}) && ($crstype ne 'Community')) {
1393: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1394: }
1395: } elsif ($pro eq 'community') {
1396: if (($env{'request.course.fn'}) && ($crstype eq 'Community')) {
1397: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1398: }
1399: } elsif ($pro =~ /^courseenv_(.*)$/) {
1400: my $key = $1;
1401: if (($env{'course.'.$env{'request.course.id'}.'.'.$key}) &&
1402: ($crstype ne 'Community')) {
1403: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1404: }
1405: } elsif ($pro =~ /^communityenv_(.*)$/) {
1406: my $key = $1;
1407: if (($env{'course.'.$env{'request.course.id'}.'.'.$key}) &&
1408: ($crstype eq 'Community')) {
1409: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1410: }
1411: } elsif ($pro =~ /^course_(.*)$/) {
1412: # Check for permissions inside of a course
1413: if (($env{'request.course.id'}) && ($crstype ne 'Community') &&
1414: (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
1415: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
1416: )) {
1417: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1418: }
1419: } elsif ($pro =~ /^community_(.*)$/) {
1420: # Check for permissions inside of a community
1421: if (($env{'request.course.id'}) && ($crstype eq 'Community') &&
1422: (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
1423: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
1424: )) {
1425: $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
1426: }
1427: } elsif ($pro eq 'author') {
1428: if ($author) {
1429: if ((($prt eq 'rca') && ($env{'request.role'}=~/^ca/)) ||
1430: (($prt eq 'raa') && ($env{'request.role'}=~/^aa/)) ||
1431: (($prt eq 'rau') && ($env{'request.role'}=~/^au/))) {
1432: # Check that we are on the correct machine
1433: my $cadom=$requested_domain;
1434: my $caname=$env{'user.name'};
1435: if (($prt eq 'rca') || ($prt eq 'raa')) {
1436: ($cadom,$caname)=
1437: ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
1438: }
1439: $act =~ s/\$caname/$caname/g;
1440: my $home = &Apache::lonnet::homeserver($caname,$cadom);
1441: my $allowed=0;
1442: my @ids=&Apache::lonnet::current_machine_ids();
1443: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
1444: if ($allowed) {
1445: $output.=&switch($caname,$cadom,
1446: $row,$col,$img,$top,$bot,$act,$desc,$cat);
1447: }
1448: }
1449: }
1450: } elsif ($pro eq 'tools') {
1451: my @tools = ('aboutme','blog','portfolio');
1452: if (grep(/^\Q$prt\E$/,@tools)) {
1453: if (!&Apache::lonnet::usertools_access($env{'user.name'},
1454: $env{'user.domain'},
1455: $prt,undef,'tools')) {
1456: $output.=&clear($row,$col);
1457: next;
1458: }
1459: } elsif (($prt eq 'reqcrsnsc') || ($prt eq 'reqcrsshc')) {
1460: if (($prt eq 'reqcrsnsc') && ($show_course)) {
1461: next;
1462: }
1463: if (($prt eq 'reqcrsshc') && (!$show_course)) {
1464: next;
1465: }
1466: my $showreqcrs = &check_for_rcrs();
1467: if (!$showreqcrs) {
1468: $output.=&clear($row,$col);
1469: next;
1470: }
1471: }
1472: $prt='any';
1473: $output.=&secondlevel(
1474: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
1475: }
1476: }
1477: unless ($env{'environment.remote'} eq 'off') {
1478: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
1479: if (&Apache::lonmsg::newmail()) {
1480: $output.='swmenu.setstatus("you have","messages");';
1481: }
1482: }
1483:
1484: return $output;
1485: }
1486:
1487: sub check_for_rcrs {
1488: my $showreqcrs = 0;
1489: my @reqtypes = ('official','unofficial','community');
1490: foreach my $type (@reqtypes) {
1491: if (&Apache::lonnet::usertools_access($env{'user.name'},
1492: $env{'user.domain'},
1493: $type,undef,'requestcourses')) {
1494: $showreqcrs = 1;
1495: last;
1496: }
1497: }
1498: if (!$showreqcrs) {
1499: foreach my $type (@reqtypes) {
1500: if ($env{'environment.reqcrsotherdom.'.$type} ne '') {
1501: $showreqcrs = 1;
1502: last;
1503: }
1504: }
1505: }
1506: return $showreqcrs;
1507: }
1508:
1509: # ======================================================================= Close
1510:
1511: sub close {
1512: if ($env{'environment.remote'} eq 'off') { return ''; }
1513: my $menuname = &get_menu_name();
1514: return(<<ENDCLOSE);
1515: <script type="text/javascript">
1516: // <![CDATA[
1517: window.status='Accessing Remote Control';
1518: menu=window.open("/adm/rat/empty.html","$menuname",
1519: "height=350,width=150,scrollbars=no,menubar=no");
1520: window.status='Disabling Remote Control';
1521: menu.active=0;
1522: menu.autologout=0;
1523: window.status='Closing Remote Control';
1524: menu.close();
1525: window.status='Done.';
1526: // ]]>
1527: </script>
1528: ENDCLOSE
1529: }
1530:
1531: # ====================================================================== Footer
1532:
1533: sub footer {
1534:
1535: }
1536:
1537: sub nav_control_js {
1538: my $nav=($env{'environment.remotenavmap'} eq 'on');
1539: return (<<NAVCONTROL);
1540: var w_loncapanav_flag="$nav";
1541:
1542:
1543: function gonav(url) {
1544: if (w_loncapanav_flag != 1) {
1545: gopost(url,'');
1546: } else {
1547: navwindow=window.open(url,
1548: "loncapanav","height=600,width=400,scrollbars=1");
1549: }
1550: }
1551: NAVCONTROL
1552: }
1553:
1554: sub utilityfunctions {
1555: my $caller = shift;
1556: unless ($env{'environment.remote'} eq 'off' ||
1557: $caller eq '/adm/menu') {
1558: return ''; }
1559:
1560: my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
1561: if ($currenturl =~ m{^/adm/wrapper/ext/}) {
1562: if ($env{'request.external.querystring'}) {
1563: $currenturl .= ($currenturl=~/\?/)?'&':'?'.$env{'request.external.querystring'};
1564: }
1565: }
1566: $currenturl=&Apache::lonenc::check_encrypt(&unescape($currenturl));
1567:
1568: my $currentsymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
1569: my $nav_control=&nav_control_js();
1570:
1571: my $start_page_annotate =
1572: &Apache::loncommon::start_page('Annotator',undef,
1573: {'only_body' => 1,
1574: 'js_ready' => 1,
1575: 'bgcolor' => '#BBBBBB',
1576: 'add_entries' => {
1577: 'onload' => 'javascript:document.goannotate.submit();'}});
1578:
1579: my $end_page_annotate =
1580: &Apache::loncommon::end_page({'js_ready' => 1});
1581:
1582: my $start_page_bookmark =
1583: &Apache::loncommon::start_page('Bookmarks',undef,
1584: {'only_body' => 1,
1585: 'js_ready' => 1,
1586: 'bgcolor' => '#BBBBBB',});
1587:
1588: my $end_page_bookmark =
1589: &Apache::loncommon::end_page({'js_ready' => 1});
1590:
1591: return (<<ENDUTILITY)
1592:
1593: var currentURL="$currenturl";
1594: var reloadURL="$currenturl";
1595: var currentSymb="$currentsymb";
1596:
1597: $nav_control
1598:
1599: function go(url) {
1600: if (url!='' && url!= null) {
1601: currentURL = null;
1602: currentSymb= null;
1603: window.location.href=url;
1604: }
1605: }
1606:
1607: function gopost(url,postdata) {
1608: if (url!='') {
1609: this.document.server.action=url;
1610: this.document.server.postdata.value=postdata;
1611: this.document.server.command.value='';
1612: this.document.server.url.value='';
1613: this.document.server.symb.value='';
1614: this.document.server.submit();
1615: }
1616: }
1617:
1618: function gocmd(url,cmd) {
1619: if (url!='') {
1620: this.document.server.action=url;
1621: this.document.server.postdata.value='';
1622: this.document.server.command.value=cmd;
1623: this.document.server.url.value=currentURL;
1624: this.document.server.symb.value=currentSymb;
1625: this.document.server.submit();
1626: }
1627: }
1628:
1629: function gocstr(url,filename) {
1630: if (url == '/adm/cfile?action=delete') {
1631: this.document.cstrdelete.filename.value = filename
1632: this.document.cstrdelete.submit();
1633: return;
1634: }
1635: if (url == '/adm/printout') {
1636: this.document.cstrprint.postdata.value = filename
1637: this.document.cstrprint.curseed.value = 0;
1638: this.document.cstrprint.problemtype.value = 0;
1639: if (this.document.lonhomework) {
1640: if ((this.document.lonhomework.rndseed) && (this.document.lonhomework.rndseed.value != null) && (this.document.lonhomework.rndseed.value != '')) {
1641: this.document.cstrprint.curseed.value = this.document.lonhomework.rndseed.value
1642: }
1643: if (this.document.lonhomework.problemtype) {
1644: if (this.document.lonhomework.problemtype.value) {
1645: this.document.cstrprint.problemtype.value =
1646: this.document.lonhomework.problemtype.value;
1647: } else if (this.document.lonhomework.problemtype.options) {
1648: for (var i=0; i<this.document.lonhomework.problemtype.options.length; i++) {
1649: if (this.document.lonhomework.problemtype.options[i].selected) {
1650: if (this.document.lonhomework.problemtype.options[i].value != null && this.document.lonhomework.problemtype.options[i].value != '') {
1651: this.document.cstrprint.problemtype.value = this.document.lonhomework.problemtype.options[i].value
1652: }
1653: }
1654: }
1655: }
1656: }
1657: }
1658: this.document.cstrprint.submit();
1659: return;
1660: }
1661: if (url !='') {
1662: this.document.constspace.filename.value = filename;
1663: this.document.constspace.action = url;
1664: this.document.constspace.submit();
1665: }
1666: }
1667:
1668: function golist(url) {
1669: if (url!='' && url!= null) {
1670: currentURL = null;
1671: currentSymb= null;
1672: top.location.href=url;
1673: }
1674: }
1675:
1676:
1677:
1678: function catalog_info() {
1679: loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
1680: }
1681:
1682: function chat_win() {
1683: lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=480,resizable=yes,location=no,menubar=no,toolbar=no');
1684: }
1685:
1686: function group_chat(group) {
1687: var url = '/adm/groupchat?group='+group;
1688: var winName = 'LONchat_'+group;
1689: grpchat=window.open(url,winName,'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
1690: }
1691:
1692: function edit_bookmarks() {
1693: go('');
1694: w_BookmarkPal_flag=1;
1695: bookmarkpal=window.open("/adm/bookmarks",
1696: "BookmarkPal", "width=400,height=505,scrollbars=0");
1697: }
1698:
1699: function annotate() {
1700: w_Annotator_flag=1;
1701: annotator=window.open('','Annotator','width=365,height=265,scrollbars=0');
1702: annotator.document.write(
1703: '$start_page_annotate'
1704: +"<form name='goannotate' target='Annotator' method='post' "
1705: +"action='/adm/annotations'>"
1706: +"<input type='hidden' name='symbnew' value='"+currentSymb+"' />"
1707: +"<\\/form>"
1708: +'$end_page_annotate');
1709: annotator.document.close();
1710: }
1711:
1712: function set_bookmark() {
1713: go('');
1714: clienttitle=document.title;
1715: clienthref=location.pathname;
1716: w_bmquery_flag=1;
1717: bmquery=window.open('','bmquery','width=365,height=165,scrollbars=0');
1718: bmquery.document.write(
1719: '$start_page_bookmark'
1720: +'<center><form method="post"'
1721: +' name="newlink" action="/adm/bookmarks" target="bmquery" '
1722: +'> <table width="340" height="150" '
1723: +'bgcolor="#FFFFFF" align="center"><tr><td>Link Name:<br /><input '
1724: +'type="text" name="title" size="45" value="'+clienttitle+'" />'
1725: +'<br />Address:<br /><input type="text" name="address" size="45" '
1726: +'value="'+clienthref+'" /><br /><center><input type="submit" '
1727: +'value="Save" /> <input type="button" value="Close" '
1728: +'onclick="javascript:window.close();" /></center></td>'
1729: +'</tr></table></form></center>'
1730: +'$end_page_bookmark' );
1731: bmquery.document.close();
1732: }
1733:
1734: ENDUTILITY
1735: }
1736:
1737: sub serverform {
1738: return(<<ENDSERVERFORM);
1739: <form name="server" action="/adm/logout" method="post" target="_top">
1740: <input type="hidden" name="postdata" value="none" />
1741: <input type="hidden" name="command" value="none" />
1742: <input type="hidden" name="url" value="none" />
1743: <input type="hidden" name="symb" value="none" />
1744: </form>
1745: ENDSERVERFORM
1746: }
1747:
1748: sub constspaceform {
1749: return(<<ENDCONSTSPACEFORM);
1750: <form name="constspace" action="/adm/logout" method="post" target="_top">
1751: <input type="hidden" name="filename" value="" />
1752: </form>
1753: <form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
1754: <input type="hidden" name="action" value="delete" />
1755: <input type="hidden" name="filename" value="" />
1756: </form>
1757: <form name="cstrprint" action="/adm/printout" target="_parent" method="post">
1758: <input type="hidden" name="postdata" value="" />
1759: <input type="hidden" name="curseed" value="" />
1760: <input type="hidden" name="problemtype" value="" />
1761: </form>
1762:
1763: ENDCONSTSPACEFORM
1764: }
1765:
1766:
1767: sub get_nav_status {
1768: my $navstatus="swmenu.w_loncapanav_flag=";
1769: if ($env{'environment.remotenavmap'} eq 'on') {
1770: $navstatus.="1";
1771: } else {
1772: $navstatus.="-1";
1773: }
1774: return $navstatus;
1775: }
1776:
1777: sub hidden_button_check {
1778: my $hidden;
1779: if ($env{'request.course.id'} eq '') {
1780: return;
1781: }
1782: if ($env{'request.role.adv'}) {
1783: return;
1784: }
1785: my $buttonshide = &Apache::lonnet::EXT('resource.0.buttonshide');
1786: return $buttonshide;
1787: }
1788:
1789: sub roles_selector {
1790: my ($cdom,$cnum) = @_;
1791: my $crstype = $env{'course.'.$env{'request.course.id'}.'.type'};
1792: if ($crstype eq '') {
1793: $crstype = 'Course';
1794: }
1795: my $now = time;
1796: my (%courseroles,%seccount);
1797: my $is_cc;
1798: my $role_selector;
1799: if ($env{'user.role.cc./'.$cdom.'/'.$cnum}) {
1800: my ($start,$end) = split(/\./,$env{'user.role.cc./'.$cdom.'/'.$cnum});
1801:
1802: if ((($start) && ($start<0)) ||
1803: (($end) && ($end<$now)) ||
1804: (($start) && ($now<$start))) {
1805: $is_cc = 0;
1806: } else {
1807: $is_cc = 1;
1808: }
1809: }
1810: if ($is_cc) {
1811: &get_all_courseroles($cdom,$cnum,\%courseroles,\%seccount);
1812: } else {
1813: my %gotnosection;
1814: foreach my $item (keys(%env)) {
1815: if ($item =~ m-^user\.role\.([^.]+)\./\Q$cdom\E/\Q$cnum\E/?(\w*)$-) {
1816: my $role = $1;
1817: my $sec = $2;
1818: next if ($role eq 'gr');
1819: my ($start,$end) = split(/\./,$env{$item});
1820: next if (($start && $start > $now) || ($end && $end < $now));
1821: if ($sec eq '') {
1822: if (!$gotnosection{$role}) {
1823: $seccount{$role} ++;
1824: $gotnosection{$role} = 1;
1825: }
1826: }
1827: if (ref($courseroles{$role}) eq 'ARRAY') {
1828: if ($sec ne '') {
1829: if (!grep(/^\Q$sec\E$/,@{$courseroles{$role}})) {
1830: push(@{$courseroles{$role}},$sec);
1831: $seccount{$role} ++;
1832: }
1833: }
1834: } else {
1835: @{$courseroles{$role}} = ();
1836: if ($sec ne '') {
1837: $seccount{$role} ++;
1838: push(@{$courseroles{$role}},$sec);
1839: }
1840: }
1841: }
1842: }
1843: }
1844: my $switchtext;
1845: if ($crstype eq 'Community') {
1846: $switchtext = &mt('Switch community role to...')
1847: } else {
1848: $switchtext = &mt('Switch course role to...')
1849: }
1850: my @roles_order = ('cc','in','ta','ep','ad','st');
1851: if (keys(%courseroles) > 1) {
1852: $role_selector = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles);
1853: $role_selector .= '<form name="rolechooser" method="post" action="/adm/roles">
1854: <select name="switchrole" onchange="javascript:adhocRole('."'switchrole'".')">';
1855: $role_selector .= '<option value="">'.$switchtext.'</option>';
1856: foreach my $role (@roles_order) {
1857: if (defined($courseroles{$role})) {
1858: $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role).'</option>';
1859: }
1860: }
1861: foreach my $role (sort(keys(%courseroles))) {
1862: if ($role =~ /^cr/) {
1863: $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role).'</option>';
1864: }
1865: }
1866: $role_selector .= '</select>'."\n".
1867: '<input type="hidden" name="destinationurl" value="'.
1868: &HTML::Entities::encode($ENV{'REQUEST_URI'}).'" />'."\n".
1869: '<input type="hidden" name="gotorole" value="1" />'."\n".
1870: '<input type="hidden" name="selectrole" value="" />'."\n".
1871: '<input type="hidden" name="switch" value="1" />'."\n".
1872: '</form>';
1873: }
1874: return $role_selector;
1875: }
1876:
1877: sub get_all_courseroles {
1878: my ($cdom,$cnum,$courseroles,$seccount) = @_;
1879: unless ((ref($courseroles) eq 'HASH') && (ref($seccount) eq 'HASH')) {
1880: return;
1881: }
1882: my ($result,$cached) =
1883: &Apache::lonnet::is_cached_new('getcourseroles',$cdom.'_'.$cnum);
1884: if (defined($cached)) {
1885: if (ref($result) eq 'HASH') {
1886: if ((ref($result->{'roles'}) eq 'HASH') &&
1887: (ref($result->{'seccount'}) eq 'HASH')) {
1888: %{$courseroles} = %{$result->{'roles'}};
1889: %{$seccount} = %{$result->{'seccount'}};
1890: return;
1891: }
1892: }
1893: }
1894: my %gotnosection;
1895: my %adv_roles =
1896: &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
1897: foreach my $role (keys(%adv_roles)) {
1898: my ($urole,$usec) = split(/:/,$role);
1899: if (!$gotnosection{$urole}) {
1900: $seccount->{$urole} ++;
1901: $gotnosection{$urole} = 1;
1902: }
1903: if (ref($courseroles->{$urole}) eq 'ARRAY') {
1904: if ($usec ne '') {
1905: if (!grep(/^Q$usec\E$/,@{$courseroles->{$urole}})) {
1906: push(@{$courseroles->{$urole}},$usec);
1907: $seccount->{$urole} ++;
1908: }
1909: }
1910: } else {
1911: @{$courseroles->{$urole}} = ();
1912: if ($usec ne '') {
1913: $seccount->{$urole} ++;
1914: push(@{$courseroles->{$urole}},$usec);
1915: }
1916: }
1917: }
1918: my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum,['st']);
1919: @{$courseroles->{'st'}} = ();
1920: if (keys(%sections_count) > 0) {
1921: push(@{$courseroles->{'st'}},keys(%sections_count));
1922: $seccount->{'st'} = scalar(keys(%sections_count));
1923: }
1924: my $rolehash = {
1925: 'roles' => $courseroles,
1926: 'seccount' => $seccount,
1927: };
1928: &Apache::lonnet::do_cache_new('getcourseroles',$cdom.'_'.$cnum,$rolehash);
1929: return;
1930: }
1931:
1932: sub jump_to_role {
1933: my ($cdom,$cnum,$seccount,$courseroles) = @_;
1934: my %lt = &Apache::lonlocal::texthash(
1935: this => 'This role has section(s) associated with it.',
1936: ente => 'Enter a specific section.',
1937: orlb => 'Enter a specific section, or leave blank for no section.',
1938: avai => 'Available sections are:',
1939: youe => 'You entered an invalid section choice:',
1940: plst => 'Please try again',
1941: );
1942: my $js;
1943: if (ref($courseroles) eq 'HASH') {
1944: $js = ' var secpick = new Array("'.$lt{'ente'}.'","'.$lt{'orlb'}.'");'."\n".
1945: ' var numsec = new Array();'."\n".
1946: ' var rolesections = new Array();'."\n".
1947: ' var rolenames = new Array();'."\n".
1948: ' var roleseclist = new Array();'."\n";
1949: my @items = keys(%{$courseroles});
1950: for (my $i=0; $i<@items; $i++) {
1951: $js .= ' rolenames['.$i.'] = "'.$items[$i].'";'."\n";
1952: my ($secs,$secstr);
1953: if (ref($courseroles->{$items[$i]}) eq 'ARRAY') {
1954: my @sections = sort { $a <=> $b } @{$courseroles->{$items[$i]}};
1955: $secs = join('","',@sections);
1956: $secstr = join(', ',@sections);
1957: }
1958: $js .= ' rolesections['.$i.'] = new Array("'.$secs.'");'."\n".
1959: ' roleseclist['.$i.'] = "'.$secstr.'";'."\n".
1960: ' numsec['.$i.'] = "'.$seccount->{$items[$i]}.'";'."\n";
1961: }
1962: }
1963: return <<"END";
1964: <script type="text/javascript">
1965: //<![CDATA[
1966: function adhocRole(roleitem) {
1967: $js
1968: var newrole = document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value;
1969: if (newrole == '') {
1970: return;
1971: }
1972: var fullrole = newrole+'./$cdom/$cnum';
1973: var selidx = '';
1974: for (var i=0; i<rolenames.length; i++) {
1975: if (rolenames[i] == newrole) {
1976: selidx = i;
1977: }
1978: }
1979: var secok = 1;
1980: var secchoice = '';
1981: if (selidx >= 0) {
1982: if (numsec[selidx] > 1) {
1983: secok = 0;
1984: var numrolesec = rolesections[selidx].length;
1985: var msgidx = numsec[selidx] - numrolesec;
1986: secchoice = prompt("$lt{'this'}\\n"+secpick[msgidx]+"\\n$lt{'avai'} "+roleseclist[selidx],"");
1987: if (secchoice == '') {
1988: if (msgidx > 0) {
1989: secok = 1;
1990: }
1991: } else {
1992: for (var j=0; j<rolesections[selidx].length; j++) {
1993: if (rolesections[selidx][j] == secchoice) {
1994: secok = 1;
1995: }
1996: }
1997: }
1998: } else {
1999: if (rolesections[selidx].length == 1) {
2000: secchoice = rolesections[selidx][0];
2001: }
2002: }
2003: }
2004: if (secok == 1) {
2005: if (secchoice != '') {
2006: fullrole += '/'+secchoice;
2007: }
2008: } else {
2009: document.rolechooser.elements[roleitem].selectedIndex = 0;
2010: if (secchoice != null) {
2011: alert("$lt{'youe'} \\""+secchoice+"\\".\\n $lt{'plst'}");
2012: }
2013: return;
2014: }
2015: if (fullrole == "$env{'request.role'}") {
2016: return;
2017: }
2018: itemid = retrieveIndex('gotorole');
2019: if (itemid != -1) {
2020: document.rolechooser.elements[itemid].name = fullrole;
2021: }
2022: document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value = fullrole;
2023: document.rolechooser.selectrole.value = '1';
2024: document.rolechooser.submit();
2025: return;
2026: }
2027:
2028: function retrieveIndex(item) {
2029: for (var i=0;i<document.rolechooser.elements.length;i++) {
2030: if (document.rolechooser.elements[i].name == item) {
2031: return i;
2032: }
2033: }
2034: return -1;
2035: }
2036: // ]]>
2037: </script>
2038: END
2039: }
2040:
2041:
2042: # ================================================================ Main Program
2043:
2044: BEGIN {
2045: if (! defined($readdesk)) {
2046: {
2047: my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
2048: if ( CORE::open( my $config,"<$tabfile") ) {
2049: while (my $configline=<$config>) {
2050: $configline=(split(/\#/,$configline))[0];
2051: $configline=~s/^\s+//;
2052: chomp($configline);
2053: if ($configline=~/^cat\:/) {
2054: my @entries=split(/\:/,$configline);
2055: $category_positions{$entries[2]}=$entries[1];
2056: $category_names{$entries[2]}=$entries[3];
2057: } elsif ($configline=~/^prim\:/) {
2058: my @entries = (split(/\:/, $configline))[1..5];
2059: push @primary_menu, \@entries;
2060: } elsif ($configline=~/^scnd\:/) {
2061: my @entries = (split(/\:/, $configline))[1..5];
2062: push @secondary_menu, \@entries;
2063: } elsif ($configline) {
2064: push(@desklines,$configline);
2065: }
2066: }
2067: CORE::close($config);
2068: }
2069: }
2070: $readdesk='done';
2071: }
2072: }
2073:
2074: 1;
2075: __END__
2076:
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