1: # The LearningOnline Network with CAPA
2: # Routines to control the menu
3: #
4: # $Id: lonmenu.pm,v 1.58 2003/04/05 22:14:40 www 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 are two parameters controlling the action of this module:
30: #
31: # browser.interface - if this is 'textual', it overrides the second parameter
32: # and goes to screen reader PDA mode
33: #
34: # environment.remote - if this is 'on', the routines controll the remote
35: # control, otherwise they render the main window controls; ignored it
36: # browser.interface is 'textual'
37: #
38:
39: package Apache::lonmenu;
40:
41: use strict;
42: use Apache::lonnet;
43: use Apache::Constants qw(:common);
44: use Apache::lonhtmlcommon();
45: use Apache::loncommon;
46: use Apache::File;
47: use vars qw(@desklines $readdesk);
48: my @inlineremote;
49: my $font;
50: my $tabbg;
51: my $pgbg;
52:
53: # ============================= This gets called at the top of the body section
54:
55: sub menubuttons {
56: my $forcereg=shift;
57: my $target =shift;
58: my $registration=shift;
59: my $navmaps='';
60: my $escurl=&Apache::lonnet::escape($ENV{'REQUEST_URI'});
61: my $escsymb=&Apache::lonnet::escape($ENV{'request.symb'});
62: if ($ENV{'browser.interface'} eq 'textual') {
63: # Textual display only
64: if ($ENV{'request.course.id'}) {
65: $navmaps=(<<ENDNAV);
66: <a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top">Navigate Contents</a>
67: ENDNAV
68: }
69: my $output=(<<ENDMAINMENU);
70: <script>
71: // BEGIN LON-CAPA Internal
72: </script>
73: <a href="/adm/menu" target="_top">Main Menu</a>
74: $navmaps<br />
75: <script>
76: // END LON-CAPA Internal
77: </script>
78: ENDMAINMENU
79: if ($registration) { $output.=&innerregister($forcereg,$target); }
80: return $output."<hr />";
81: } elsif ($ENV{'environment.remote'} eq 'off') {
82: # Remote Control is switched off
83: # figure out colors
84: my $function='student';
85: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
86: $function='coordinator';
87: }
88: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
89: $function='admin';
90: }
91: if (($ENV{'request.role'}=~/^(au|ca)/) ||
92: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
93: $function='author';
94: }
95: my $domain=&Apache::loncommon::determinedomain();
96: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
97: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
98: $font=&Apache::loncommon::designparm($function.'.font',$domain);
99: my $link=&Apache::loncommon::designparm($function.'.link',$domain);
100: my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
101: my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
102: my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
103: # Do we have a NAV link?
104: if ($ENV{'request.course.id'}) {
105: $navmaps=(<<ENDNAVREM);
106: <td bgcolor="$tabbg">
107: <a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top"><font color="$font">Navigate Contents</font></a></td>
108: ENDNAVREM
109: }
110: my $reg='';
111: if ($registration) {
112: $reg=&innerregister($forcereg,$target);
113: }
114: return (<<ENDINLINEMENU);
115: <script>
116: // BEGIN LON-CAPA Internal
117: </script>
118: <table bgcolor="$pgbg" width="100%" border="0" cellpadding="3" cellspacing="3">
119: <tr>
120: <td bgcolor="$tabbg">
121: <a href="/adm/menu" target="_top"><font color="$font">Main Menu</font></a>
122: </td>
123: $navmaps
124: <td bgcolor="$tabbg">
125: <a href="/adm/remote?action=launch&url=$escurl" target="_top">
126: <font color="$font">Launch Remote Control</font></a></td>
127: </tr>
128: </table>
129: <script>
130: // END LON-CAPA Internal
131: </script>
132: $reg
133: ENDINLINEMENU
134: } else {
135: return '';
136: }
137: }
138:
139: # ====================================== This gets called in the header section
140:
141: sub registerurl {
142: my $forcereg=shift;
143: my $target = shift;
144: my $result = '';
145:
146: if ($target eq 'edit') {
147: $result .="<script type=\"text/javascript\">\n".
148: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
149: &Apache::loncommon::browser_and_searcher_javascript().
150: "\n</script>\n";
151: }
152: if (($ENV{'browser.interface'} eq 'textual') ||
153: ($ENV{'environment.remote'} eq 'off') ||
154: ((($ENV{'request.publicaccess'}) ||
155: (!&Apache::lonnet::is_on_map($ENV{'REQUEST_URI'}))) &&
156: (!$forcereg))) {
157: return $result.
158: '<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>';
159: }
160: # Graphical display after login only
161: if ($Apache::lonxml::registered && !$forcereg) { return ''; }
162: $result.=&innerregister($forcereg,$target);
163: return $result;
164: }
165:
166: # =========== This gets called in order to register a URL, both with the Remote
167: # =========== and in the body of the document
168:
169: sub innerregister {
170: my $forcereg=shift;
171: my $target = shift;
172: my $result = '';
173:
174: $Apache::lonxml::registered=1;
175:
176: my $textinter=($ENV{'browser.interface'} eq 'textual');
177: my $noremote=($ENV{'environment.remote'} eq 'off');
178:
179: my $textual=($textinter || $noremote);
180:
181: @inlineremote=();
182: undef @inlineremote;
183:
184: my $reopen=&Apache::lonmenu::reopenmenu();
185:
186: my $newmail='';
187: if (&Apache::lonmsg::newmail()) {
188: $newmail=($textual?
189: '<b><a href="/adm/communicate">You have new messages</a></b><br />':
190: 'swmenu.setstatus("you have","messages");');
191: }
192: my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
193: my $tablestart=($noremote?'<table bgcolor="'.$pgbg.'" border="0" cellspacing="3" cellpadding="3" width="100%">':'');
194: my $tableend=($noremote?'</table>':'');
195: # =============================================================================
196: # ============================ This is for URLs that actually can be registered
197: if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
198: # -- This applies to homework problems for users with grading privileges
199: my $hwkadd='';
200: if
201: ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
202: if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
203: $hwkadd.=&switch('','',7,1,'subm.gif','view sub','missions',
204: "gocmd('/adm/grades','submission')",
205: 'View user submissions for this assessment resource');
206: }
207: if (&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) {
208: $hwkadd.=&switch('','',7,2,'pgrd.gif','problem','grades',
209: "gocmd('/adm/grades','gradingmenu')",
210: 'Modify user grades for this assessment resource');
211: }
212: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
213: $hwkadd.=&switch('','',7,3,'pparm.gif','problem','parms',
214: "gocmd('/adm/parmset','set')",
215: 'Modify deadlines, etc, for this assessment resource');
216: }
217: }
218: # -- End Homework
219: ###
220: ### Determine whether or not to display the 'cstr' button for this
221: ### resource
222: ###
223: my $editbutton = '';
224: if ($ENV{'user.author'}) {
225: if ($ENV{'request.role'}=~/^(ca|au)/) {
226: # Set defaults for authors
227: my ($top,$bottom) = ('con-','struct');
228: my $action = "go('/priv/".$ENV{'user.name'}."');";
229: my $cadom = $ENV{'request.role.domain'};
230: my $caname = $ENV{'user.name'};
231: my $desc = "Enter my resource construction space";
232: # Set defaults for co-authors
233: if ($ENV{'request.role'} =~ /^ca/) {
234: ($cadom,$caname)=($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
235: ($top,$bottom) = ('co con-','struct');
236: $action = "go('/priv/".$caname."');";
237: $desc = "Enter construction space as co-author";
238: }
239: # Check that we are on the correct machine
240: my $home = &Apache::lonnet::homeserver($caname,$cadom);
241: if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
242: $editbutton=&switch
243: ('','',6,1,$top,,$bottom,$action,$desc);
244: }
245: }
246: ##
247: ## Determine if user can edit url.
248: ##
249: my $cfile='';
250: my $cfuname='';
251: my $cfudom='';
252: if ($ENV{'request.filename'}) {
253: my $file=&Apache::lonnet::declutter($ENV{'request.filename'});
254: $file=~s/^(\w+)\/(\w+)/\/priv\/$2/;
255: # Chech that the user has permission to edit this resource
256: ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
257: if (defined($cfudom)) {
258: if (&Apache::lonnet::homeserver($cfuname,$cfudom)
259: eq $Apache::lonnet::perlvar{'lonHostID'}) {
260: $cfile=$file;
261: }
262: }
263: }
264: # Finally, turn the button on or off
265: if ($cfile) {
266: $editbutton=&switch
267: ('','',6,1,'cstr.gif','edit','resource',
268: "go('".$cfile."');","Edit this resource");
269: } elsif ($editbutton eq '') {
270: $editbutton=&clear(6,1);
271: }
272: }
273: ###
274: ###
275: # Prepare the rest of the buttons
276: my $menuitems=(<<ENDMENUITEMS);
277: c&3&1
278: s&2&1&back.gif&backward&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1
279: s&2&3&forw.gif&forward&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&3
280: s&6&3&catalog.gif&catalog&info&catalog_info()&Show catalog information
281: s&8&1&eval.gif&evaluate&this&gopost('/adm/evaluate',currentURL)&Provide my evaluation of this resource
282: s&8&2&fdbk.gif&feedback&discuss&gopost('/adm/feedback',currentURL)&Provide feedback messages or contribute to the course discussion about this resource
283: s&8&3&prt.gif&prepare&printout&gopost('/adm/printout',currentURL)&Prepare a printable document
284: s&9&1&sbkm.gif&set&bookmark&set_bookmark()&Set a bookmark for this resource&2
285: s&9&2&vbkm.gif&view&bookmark&edit_bookmarks()&Use or edit my bookmark collection&2
286: s&9&3&anot.gif&anno-&tations&annotate()&Make notes and annotations about this resource&2
287: ENDMENUITEMS
288: my $buttons='';
289: foreach (split(/\n/,$menuitems)) {
290: my ($command,@rest)=split(/\&/,$_);
291: if ($command eq 's') {
292: $buttons.=&switch('','',@rest);
293: } else {
294: $buttons.=&clear(@rest);
295: }
296: }
297: if ($textual) {
298: # Registered, textual output
299: my $utility=&utilityfunctions();
300: my $form=&serverform();
301: my $inlinebuttons=
302: join('',map { (defined($_)?$_:'') } @inlineremote);
303: $result =(<<ENDREGTEXT);
304: <script>
305: // BEGIN LON-CAPA Internal
306: $utility
307: </script>
308: $timesync
309: $newmail
310: $tablestart
311: $inlinebuttons
312: $tableend
313: $form
314: <script>
315: //END LON-CAPA Internal
316: </script>
317:
318: ENDREGTEXT
319: # Registered, graphical output
320: } else {
321: $result = (<<ENDREGTHIS);
322:
323: <script language="JavaScript">
324: // BEGIN LON-CAPA Internal
325: var swmenu=null;
326:
327: function LONCAPAreg() {
328: swmenu=$reopen;
329: swmenu.clearTimeout(swmenu.menucltim);
330: $timesync
331: $newmail
332: $buttons
333: swmenu.currentURL=window.location.pathname;
334: swmenu.reloadURL=window.location.pathname+window.location.search;
335: swmenu.currentSymb="$ENV{'request.symb'}";
336: swmenu.reloadSymb="$ENV{'request.symb'}";
337: swmenu.currentStale=0;
338: $hwkadd
339: $editbutton
340: }
341:
342: function LONCAPAstale() {
343: swmenu=$reopen
344: swmenu.currentStale=1;
345: if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
346: swmenu.switchbutton
347: (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
348: }
349: swmenu.clearbut(7,1);
350: swmenu.clearbut(7,2);
351: swmenu.clearbut(7,3);
352: swmenu.menucltim=swmenu.setTimeout(
353: 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
354: 'clearbut(9,1);clearbut(9,2);clearbut(9,3);clearbut(6,3);clearbut(6,1)',
355: 2000);
356:
357: }
358:
359: // END LON-CAPA Internal
360: </script>
361: ENDREGTHIS
362: }
363: # =============================================================================
364: } else {
365: # ========================================== This can or will not be registered
366: if ($textual) {
367: # Not registered, textual
368: $result= (<<ENDDONOTREGTEXT);
369: ENDDONOTREGTEXT
370: } else {
371: # Not registered, graphical
372: $result = (<<ENDDONOTREGTHIS);
373:
374: <script language="JavaScript">
375: // BEGIN LON-CAPA Internal
376: var swmenu=null;
377:
378: function LONCAPAreg() {
379: swmenu=$reopen
380: $timesync
381: swmenu.currentStale=1;
382: swmenu.clearbut(2,1);
383: swmenu.clearbut(2,3);
384: swmenu.clearbut(8,1);
385: swmenu.clearbut(8,2);
386: swmenu.clearbut(8,3);
387: if (swmenu.currentURL) {
388: swmenu.switchbutton
389: (3,1,'reload.gif','return','location','go(currentURL)');
390: } else {
391: swmenu.clearbut(3,1);
392: }
393: }
394:
395: function LONCAPAstale() {
396: }
397:
398: // END LON-CAPA Internal
399: </script>
400: ENDDONOTREGTHIS
401: }
402: # =============================================================================
403: }
404: return $result;
405: }
406:
407: sub loadevents() {
408: return 'LONCAPAreg();';
409: }
410:
411: sub unloadevents() {
412: return 'LONCAPAstale();';
413: }
414:
415: # ============================================================= Start up remote
416:
417: sub startupremote {
418: my ($lowerurl)=@_;
419: if (($ENV{'browser.interface'} eq 'textual') ||
420: ($ENV{'environment.remote'} eq 'off')) {
421: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
422: }
423: #
424: # The Remote actually gets launched!
425: #
426: my $configmenu=&rawconfig();
427: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
428:
429: return(<<ENDREMOTESTARTUP);
430: <script>
431:
432: function wheelswitch() {
433: if (window.status=='|') {
434: window.status='/';
435: } else {
436: if (window.status=='/') {
437: window.status='-';
438: } else {
439: if (window.status=='-') {
440: window.status='\\\\';
441: } else {
442: if (window.status=='\\\\') { window.status='|'; }
443: }
444: }
445: }
446: }
447:
448: // ---------------------------------------------------------- The wait function
449: var canceltim;
450: function wait() {
451: if ((menuloaded==1) || (tim==1)) {
452: window.status='Done.';
453: if (tim==0) {
454: clearTimeout(canceltim);
455: $configmenu
456: window.location='$lowerurl';
457: } else {
458: window.location='/adm/remote?action=collapse&url=$esclowerurl';
459: }
460: } else {
461: wheelswitch();
462: setTimeout('wait();',200);
463: }
464: }
465:
466: function main() {
467: canceltim=setTimeout('tim=1;',30000);
468: window.status='-';
469: wait();
470: }
471:
472: </script>
473: ENDREMOTESTARTUP
474: }
475:
476: sub setflags() {
477: return(<<ENDSETFLAGS);
478: <script>
479: menuloaded=0;
480: tim=0;
481: </script>
482: ENDSETFLAGS
483: }
484:
485: sub maincall() {
486: if (($ENV{'browser.interface'} eq 'textual') ||
487: ($ENV{'environment.remote'} eq 'off')) { return ''; }
488: return(<<ENDMAINCALL);
489: <script>
490: main();
491: </script>
492: ENDMAINCALL
493: }
494: # ================================================================= Reopen menu
495:
496: sub reopenmenu {
497: if (($ENV{'browser.interface'} eq 'textual') ||
498: ($ENV{'environment.remote'} eq 'off')) { return ''; }
499: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
500: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
501: return('window.open('.$nothing.',"'.$menuname.'","",false);');
502: }
503:
504: # =============================================================== Open the menu
505:
506: sub open {
507: my $returnval='';
508: if (($ENV{'browser.interface'} eq 'textual') ||
509: ($ENV{'environment.remote'} eq 'off')) { return ''; }
510: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
511: unless (shift eq 'unix') {
512: # resizing does not work on linux because of virtual desktop sizes
513: $returnval.=(<<ENDRESIZE);
514: if (window.screen) {
515: self.resizeTo(screen.availWidth-215,screen.availHeight-55);
516: self.moveTo(190,15);
517: }
518: ENDRESIZE
519: }
520: $returnval.=(<<ENDOPEN);
521: window.status='Opening LON-CAPA Remote Control';
522: var menu=window.open("/res/adm/pages/menu.html","$menuname",
523: "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
524: ENDOPEN
525: return '<script>'.$returnval.'</script>';
526: }
527:
528:
529: # ================================================================== Raw Config
530:
531: sub clear {
532: my ($row,$col)=@_;
533: unless (($ENV{'browser.interface'} eq 'textual') ||
534: ($ENV{'environment.remote'} eq 'off')) {
535: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
536: } else {
537: $inlineremote[10*$row+$col]='';
538: return '';
539: }
540: }
541:
542: # ============================================ Switch a button or create a link
543: # Switch acts on the javascript that is executed when a button is clicked.
544: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
545:
546: sub switch {
547: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$nobreak)=@_;
548: $act=~s/\$uname/$uname/g;
549: $act=~s/\$udom/$udom/g;
550: unless (($ENV{'browser.interface'} eq 'textual') ||
551: ($ENV{'environment.remote'} eq 'off')) {
552: # Remote
553: return "\n".
554: qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
555: } elsif ($ENV{'browser.interface'} eq 'textual') {
556: # Accessibility
557: if ($nobreak==2) { return ''; }
558: my $text=$top.' '.$bot;
559: $text=~s/\- //;
560: $inlineremote[10*$row+$col]="\n".($nobreak?' ':'<br />').
561: '<a href="javascript:'.$act.';" target="_top">'.$text.'</a> '.
562: ($nobreak?'':$desc);
563: } else {
564: # Inline Remote
565: if ($nobreak==2) { return ''; }
566: my $text=$top.' '.$bot;
567: $text=~s/\- //;
568: $inlineremote[10*$row+$col]="\n".
569: ($nobreak==3?'<td width="50%" colspan="2" align="right"':'<tr><td').
570: ' bgcolor="'.$tabbg.'"'.($nobreak==1?' width="50%" colspan="2"':'').
571: '"><a href="javascript:'.$act.';" target="_top"><font color="'.$font.'"'.
572: ($nobreak?' size="+1"':'').
573: '>'.$text.'</font></a></td>'.
574: ($nobreak?'':'<td colspan="3" width="80%"><font color="'.$font.'" size="-1">'.$desc.'</font>').($nobreak!=1?'</tr>':'');
575: }
576: return '';
577: }
578:
579: sub secondlevel {
580: my $output='';
581: my
582: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
583: if ($prt eq 'any') {
584: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
585: } elsif ($prt=~/^r(\w+)/) {
586: if ($rol eq $1) {
587: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
588: }
589: }
590: return $output;
591: }
592:
593: sub openmenu {
594: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
595: if (($ENV{'browser.interface'} eq 'textual') ||
596: ($ENV{'environment.remote'} eq 'off')) { return ''; }
597: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
598: return "window.open(".$nothing.",'".$menuname."');";
599: }
600:
601: sub inlinemenu {
602: @inlineremote=();
603: undef @inlineremote;
604: &rawconfig(1);
605: return join('',map { (defined($_)?$_:'') } @inlineremote);
606: }
607:
608: sub rawconfig {
609: my $textualoverride=shift;
610: my $output='';
611: unless (($ENV{'browser.interface'} eq 'textual') ||
612: ($ENV{'environment.remote'} eq 'off')) {
613: $output.=
614: "window.status='Opening Remote Control';var swmenu=".&openmenu().
615: "\nwindow.status='Configuring Remote Control ';";
616: } else {
617: unless ($textualoverride) { return ''; }
618: }
619: my $uname=$ENV{'user.name'};
620: my $udom=$ENV{'user.domain'};
621: my $adv=$ENV{'user.adv'};
622: my $author=$ENV{'user.author'};
623: my $crs='';
624: if ($ENV{'request.course.id'}) {
625: $crs='/'.$ENV{'request.course.id'};
626: if ($ENV{'request.course.sec'}) {
627: $crs.='_'.$ENV{'request.course.sec'};
628: }
629: $crs=~s/\_/\//g;
630: }
631: my $pub=($ENV{'request.state'} eq 'published');
632: my $con=($ENV{'request.state'} eq 'construct');
633: my $rol=$ENV{'request.role'};
634: my $requested_domain = $ENV{'request.role.domain'};
635: foreach (@desklines) {
636: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
637: $prt=~s/\$uname/$uname/g;
638: $prt=~s/\$udom/$udom/g;
639: $prt=~s/\$crs/$crs/g;
640: $prt=~s/\$requested_domain/$requested_domain/g;
641: if ($pro eq 'clear') {
642: $output.=&clear($row,$col);
643: } elsif ($pro eq 'any') {
644: $output.=&secondlevel(
645: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
646: } elsif ($pro eq 'smp') {
647: unless ($adv) {
648: $output.=&secondlevel(
649: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
650: }
651: } elsif ($pro eq 'adv') {
652: if ($adv) {
653: $output.=&secondlevel(
654: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
655: }
656: } elsif (($pro=~/p(\w+)/) && ($prt)) {
657: if (&Apache::lonnet::allowed($1,$prt)) {
658: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
659: }
660: } elsif ($pro eq 'course') {
661: if ($ENV{'request.course.fn'}) {
662: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
663: }
664: } elsif ($pro eq 'author') {
665: if ($author) {
666: if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) ||
667: (($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) {
668: # Check that we are on the correct machine
669: my $cadom=$requested_domain;
670: my $caname=$ENV{'user.name'};
671: if ($prt eq 'rca') {
672: ($cadom,$caname)=
673: ($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
674: }
675: $act =~ s/\$caname/$caname/g;
676: my $home = &Apache::lonnet::homeserver($caname,$cadom);
677: if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
678: $output.=switch($caname,$cadom,
679: $row,$col,$img,$top,$bot,$act,$desc);
680: }
681: }
682: }
683: }
684: }
685: unless (($ENV{'browser.interface'} eq 'textual') ||
686: ($ENV{'environment.remote'} eq 'off')) {
687: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
688: }
689: return $output;
690: }
691:
692: # ======================================================================= Close
693:
694: sub close {
695: if (($ENV{'browser.interface'} eq 'textual') ||
696: ($ENV{'environment.remote'} eq 'off')) { return ''; }
697: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
698: return(<<ENDCLOSE);
699: <script>
700: window.status='Accessing Remote Control';
701: menu=window.open("/adm/rat/empty.html","$menuname",
702: "height=350,width=150,scrollbars=no,menubar=no");
703: window.status='Disabling Remote Control';
704: menu.active=0;
705: menu.autologout=0;
706: window.status='Closing Remote Control';
707: menu.close();
708: window.status='Done.';
709: </script>
710: ENDCLOSE
711: }
712:
713: # ====================================================================== Footer
714:
715: sub footer {
716:
717: }
718:
719: sub utilityfunctions {
720: unless (($ENV{'browser.interface'} eq 'textual') ||
721: ($ENV{'environment.remote'} eq 'off')) { return ''; }
722: my $currenturl=$ENV{'REQUEST_URI'};
723: my $currentsymb=$ENV{'request.symb'};
724: return (<<ENDUTILITY)
725:
726: var currentURL="$currenturl";
727: var reloadURL="$currenturl";
728: var currentSymb="$currentsymb";
729:
730: function go(url) {
731: if (url!='' && url!= null) {
732: currentURL = null;
733: currentSymb= null;
734: window.location.href=url;
735: }
736: }
737:
738: function gopost(url,postdata) {
739: if (url!='') {
740: this.document.server.action=url;
741: this.document.server.postdata.value=postdata;
742: this.document.server.command.value='';
743: this.document.server.url.value='';
744: this.document.server.symb.value='';
745: this.document.server.submit();
746: }
747: }
748:
749: function gocmd(url,cmd) {
750: if (url!='') {
751: this.document.server.action=url;
752: this.document.server.postdata.value='';
753: this.document.server.command.value=cmd;
754: this.document.server.url.value=currentURL;
755: this.document.server.symb.value=currentSymb;
756: this.document.server.submit();
757: }
758: }
759:
760: function catalog_info() {
761: loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizeable=yes,location=no,menubar=no,toolbar=no');
762: }
763:
764: function chat_win() {
765: lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizeable=yes,location=no,menubar=no,toolbar=no');
766: }
767: ENDUTILITY
768: }
769:
770: sub serverform {
771: return(<<ENDSERVERFORM);
772:
773: <form name="server" action="/adm/logout" method="post">
774: <input type="hidden" name="postdata" value="none" />
775: <input type="hidden" name="command" value="none" />
776: <input type="hidden" name="url" value="none" />
777: <input type="hidden" name="symb" value="none" />
778: </form>
779: ENDSERVERFORM
780: }
781: # ================================================ Handler when called directly
782:
783:
784: sub handler {
785: my $r = shift;
786: $r->content_type('text/html');
787: $r->send_http_header;
788: return OK if $r->header_only;
789:
790: my $form=&serverform();
791: my $bodytag=&Apache::loncommon::bodytag('Main Menu');
792: my $function='student';
793: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
794: $function='coordinator';
795: }
796: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
797: $function='admin';
798: }
799: if (($ENV{'request.role'}=~/^(au|ca)/) ||
800: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
801: $function='author';
802: }
803: my $domain=&Apache::loncommon::determinedomain();
804: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
805: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
806: $font=&Apache::loncommon::designparm($function.'.font',$domain);
807: # ---- Print the screen, pretent to be in text mode to generate text-based menu
808: unless ($ENV{'brower.interface'} eq 'textual') {
809: $ENV{'environment.remote'}='off';
810: }
811: my $utility=&utilityfunctions();
812: $r->print(<<ENDHEADER);
813: <html><head>
814: <title>LON-CAPA Main Menu</title>
815: <script>
816: $utility
817: </script>
818: </head>
819: $bodytag
820: ENDHEADER
821: $r->print('<table>'.&inlinemenu().'</table>'.$form);
822: $r->print('</body></html>');
823: return OK;
824: }
825:
826: # ================================================================ Main Program
827:
828: BEGIN {
829: if (! defined($readdesk)) {
830: {
831: my $config=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
832: '/mydesk.tab');
833: while (my $configline=<$config>) {
834: $configline=(split(/\#/,$configline))[0];
835: $configline=~s/^\s+//;
836: chomp($configline);
837: if ($configline) {
838: $desklines[$#desklines+1]=$configline;
839: }
840: }
841: }
842: $readdesk='done';
843: }
844: }
845:
846: 1;
847: __END__
848:
849:
850:
851:
852:
853:
854:
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