1: # The LearningOnline Network with CAPA
2: # Routines to control the menu
3: #
4: # $Id: lonmenu.pm,v 1.104 2003/12/08 15:02:34 raeburn 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::lonlocal;
47:
48: use vars qw(@desklines $readdesk);
49:
50:
51: my @inlineremote;
52: my $font;
53: my $tabbg;
54: my $pgbg;
55:
56: # ================================================================ Little texts
57:
58: sub initlittle {
59: return &Apache::lonlocal::texthash('ret' => 'Return to Last Location',
60: 'nav' => 'Navigate Contents',
61: 'main' => 'Main Menu',
62: 'launch' => 'Launch Remote Control');
63: }
64:
65: # ============================= This gets called at the top of the body section
66:
67: sub menubuttons {
68: my $forcereg=shift;
69: my $target =shift;
70: my $registration=shift;
71: my $navmaps='';
72: my $reloadlink='';
73: my $escurl=&Apache::lonnet::escape($ENV{'request.noversionuri'});
74: my $escsymb=&Apache::lonnet::escape($ENV{'request.symb'});
75: if ($ENV{'browser.interface'} eq 'textual') {
76: # Textual display only
77: my %lt=&initlittle();
78: $pgbg='#FFFFFF';
79: $tabbg='#FFFFFF';
80: $font='#000000';
81: if ($ENV{'request.course.id'}) {
82: $navmaps=(<<ENDNAV);
83: <a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top">$lt{'nav'}</a>
84: ENDNAV
85: if (($ENV{'request.noversionuri'}=~/^\/adm\//) &&
86: ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
87: ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
88: my $escreload=&Apache::lonnet::escape('return:');
89: $reloadlink=(<<ENDRELOAD);
90: <a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a>
91: ENDRELOAD
92: }
93: }
94: my $output=(<<ENDMAINMENU);
95: <script>
96: // BEGIN LON-CAPA Internal
97: </script>
98: <a href="/adm/menu" target="_top">$lt{'main'}</a>
99: $reloadlink $navmaps<br />
100: <script>
101: // END LON-CAPA Internal
102: </script>
103: ENDMAINMENU
104: if ($registration) { $output.=&innerregister($forcereg,$target); }
105: return $output."<hr />";
106: } elsif ($ENV{'environment.remote'} eq 'off') {
107: # Remote Control is switched off
108: # figure out colors
109: my %lt=&initlittle();
110: my $function='student';
111: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
112: $function='coordinator';
113: }
114: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
115: $function='admin';
116: }
117: if (($ENV{'request.role'}=~/^(au|ca)/) ||
118: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
119: $function='author';
120: }
121: my $domain=&Apache::loncommon::determinedomain();
122: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
123: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
124: $font=&Apache::loncommon::designparm($function.'.font',$domain);
125: my $link=&Apache::loncommon::designparm($function.'.link',$domain);
126: my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
127: my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
128: my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
129: # Do we have a NAV link?
130: if ($ENV{'request.course.id'}) {
131: $navmaps=(<<ENDNAVREM);
132: <td bgcolor="$tabbg">
133: <a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top"><font color="$font">$lt{'nav'}</font></a></td>
134: ENDNAVREM
135: if (($ENV{'request.noversionuri'}=~/^\/adm\//) &&
136: ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
137: ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
138: my $escreload=&Apache::lonnet::escape('return:');
139: $reloadlink=(<<ENDRELOAD);
140: <td bgcolor="$tabbg">
141: <a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a></td>
142: ENDRELOAD
143: }
144: }
145: my $reg='';
146: if ($registration) {
147: $reg=&innerregister($forcereg,$target);
148: }
149: return (<<ENDINLINEMENU);
150: <script>
151: // BEGIN LON-CAPA Internal
152: </script>
153: <font face="Arial,Helvetica,sans-serif"><table bgcolor="$pgbg" width="100%" border="0" cellpadding="1" cellspacing="1">
154: <tr>
155: <td bgcolor="$tabbg">
156: <a href="/adm/menu" target="_top"><font color="$font">$lt{'main'}</font></a>
157: </td>
158: $reloadlink
159: $navmaps
160: <td bgcolor="$tabbg">
161: <a href="/adm/remote?action=launch&url=$escurl" target="_top">
162: <font color="$font">$lt{'launch'}</font></a></td>
163: <td bgcolor="$tabbg">
164: <img align="right" src="/adm/lonIcons/minilogo.gif" />
165: <b>LON-CAPA</b></td>
166: </tr>
167: </table>
168: </font>
169: <script>
170: // END LON-CAPA Internal
171: </script>
172: $reg
173: ENDINLINEMENU
174: } else {
175: return '';
176: }
177: }
178:
179: # ====================================== This gets called in the header section
180:
181: sub registerurl {
182: my $forcereg=shift;
183: my $target = shift;
184: my $result = '';
185: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
186: my $force_title='';
187: if ($ENV{'request.state'} eq 'construct') {
188: $force_title=&Apache::lonxml::display_title();
189: }
190: if ($target eq 'edit') {
191: $result .="<script type=\"text/javascript\">\n".
192: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
193: &Apache::loncommon::browser_and_searcher_javascript().
194: "\n</script>\n";
195: }
196: if (($ENV{'browser.interface'} eq 'textual') ||
197: ($ENV{'environment.remote'} eq 'off') ||
198: ((($ENV{'request.publicaccess'}) ||
199: (!&Apache::lonnet::is_on_map(
200: &Apache::lonnet::unescape($ENV{'request.noversionuri'})))) &&
201: (!$forcereg))) {
202: return $result.
203: '<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>'.$force_title;
204: }
205: # Graphical display after login only
206: if ($Apache::lonxml::registered && !$forcereg) { return ''; }
207: if ($target ne 'edit') {
208: $result.=&innerregister($forcereg,$target);
209: }
210: return $result.$force_title;
211: }
212:
213: # =========== This gets called in order to register a URL, both with the Remote
214: # =========== and in the body of the document
215:
216: sub innerregister {
217: my $forcereg=shift;
218: my $target = shift;
219: my $result = '';
220: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
221:
222: $Apache::lonxml::registered=1;
223:
224: my $textinter=($ENV{'browser.interface'} eq 'textual');
225: my $noremote=($ENV{'environment.remote'} eq 'off');
226:
227: my $textual=($textinter || $noremote);
228:
229: @inlineremote=();
230: undef @inlineremote;
231:
232: my $reopen=&Apache::lonmenu::reopenmenu();
233:
234: my $newmail='';
235: if ($noremote) {
236: $newmail='<font face="Arial,Helvetica,sans-serif"><table bgcolor="'.$pgbg.'" border="0" cellspacing="1" cellpadding="1" width="100%"><tr><td bgcolor="'.$tabbg.'">';
237: }
238: if (($textual) && ($ENV{'request.symb'}) && ($ENV{'request.course.id'})) {
239: my ($mapurl,$rid,$resurl)=&Apache::lonnet::decode_symb($ENV{'request.symb'});
240: $newmail.=$ENV{'course.'.$ENV{'request.course.id'}.'.description'};
241: my $maptitle=&Apache::lonnet::gettitle($mapurl);
242: my $restitle=&Apache::lonnet::gettitle($resurl);
243: if ($maptitle) {
244: $newmail.=', '.$maptitle;
245: }
246: if ($restitle) {
247: $newmail.=': '.$restitle;
248: }
249: $newmail.=' ';
250: }
251: if (&Apache::lonmsg::newmail()) {
252: $newmail=($textual?
253: '<b><a href="/adm/communicate" target="_top">You have new messages</a></b><br />':
254: 'swmenu.setstatus("you have","messages");');
255: }
256: if ($noremote) {
257: $newmail.='</td></tr></table></font>';
258: }
259: my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
260: my $tablestart=($noremote?'<font face="Arial,Helvetica,sans-serif"><table bgcolor="'.$pgbg.'" border="0" cellspacing="1" cellpadding="1" width="100%">':'').($textinter?'<br /><a href="#content">'.&mt('Skip to Content').'</a><br />':'');
261: my $tableend=($noremote?'</table></font>':'').($textinter?'<a name="content" />':'');
262: # =============================================================================
263: # ============================ This is for URLs that actually can be registered
264: if (($ENV{'request.noversionuri'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
265: # -- This applies to homework problems for users with grading privileges
266: my $hwkadd='';
267: if
268: ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
269: my $crs='/'.$ENV{'request.course.id'};
270: if ($ENV{'request.course.sec'}) {
271: $crs.='_'.$ENV{'request.course.sec'};
272: }
273: $crs=~s/\_/\//g;
274:
275: if (&Apache::lonnet::allowed('vgr',$crs)) {
276: $hwkadd.=&switch('','',7,1,'subm.gif','view sub-','missions',
277: "gocmd('/adm/grades','submission')",
278: 'View user submissions for this assessment resource');
279: }
280: if (&Apache::lonnet::allowed('mgr',$crs)) {
281: $hwkadd.=&switch('','',7,2,'pgrd.gif','problem','grades',
282: "gocmd('/adm/grades','gradingmenu')",
283: 'Modify user grades for this assessment resource');
284: }
285: if (&Apache::lonnet::allowed('opa',$crs)) {
286: $hwkadd.=&switch('','',7,3,'pparm.gif','problem','parms',
287: "gocmd('/adm/parmset','set')",
288: 'Modify deadlines, etc, for this assessment resource');
289: }
290: }
291: # -- End Homework
292: ###
293: ### Determine whether or not to display the 'cstr' button for this
294: ### resource
295: ###
296: my $editbutton = '';
297: if ($ENV{'user.author'}) {
298: if ($ENV{'request.role'}=~/^(ca|au)/) {
299: # Set defaults for authors
300: my ($top,$bottom) = ('con-','struct');
301: my $action = "go('/priv/".$ENV{'user.name'}."');";
302: my $cadom = $ENV{'request.role.domain'};
303: my $caname = $ENV{'user.name'};
304: my $desc = "Enter my resource construction space";
305: # Set defaults for co-authors
306: if ($ENV{'request.role'} =~ /^ca/) {
307: ($cadom,$caname)=($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
308: ($top,$bottom) = ('co con-','struct');
309: $action = "go('/priv/".$caname."');";
310: $desc = "Enter construction space as co-author";
311: }
312: # Check that we are on the correct machine
313: my $home = &Apache::lonnet::homeserver($caname,$cadom);
314: if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
315: $editbutton=&switch
316: ('','',6,1,$top,,$bottom,$action,$desc);
317: }
318: }
319: ##
320: ## Determine if user can edit url.
321: ##
322: my $cfile='';
323: my $cfuname='';
324: my $cfudom='';
325: if ($ENV{'request.filename'}) {
326: my $file=&Apache::lonnet::declutter($ENV{'request.filename'});
327: $file=~s/^(\w+)\/(\w+)/\/priv\/$2/;
328: # Chech that the user has permission to edit this resource
329: ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
330: if (defined($cfudom)) {
331: if (&Apache::lonnet::homeserver($cfuname,$cfudom)
332: eq $Apache::lonnet::perlvar{'lonHostID'}) {
333: $cfile=$file;
334: }
335: }
336: }
337: # Finally, turn the button on or off
338: if ($cfile) {
339: $editbutton=&switch
340: ('','',6,1,'cstr.gif','edit','resource',
341: "go('".$cfile."');","Edit this resource");
342: } elsif ($editbutton eq '') {
343: $editbutton=&clear(6,1);
344: }
345: }
346: ###
347: ###
348: # Prepare the rest of the buttons
349: my $menuitems=(<<ENDMENUITEMS);
350: c&3&1
351: s&2&1&back.gif&backward&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1
352: s&2&3&forw.gif&forward&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&3
353: c&6&3
354: c&8&1
355: c&8&2
356: s&8&3&prt.gif&prepare&printout&gopost('/adm/printout',currentURL)&Prepare a printable document
357: s&9&1&sbkm.gif&set&bookmark&set_bookmark()&Set a bookmark for this resource&2
358: s&9&3&anot.gif&anno-&tations&annotate()&Make notes and annotations about this resource&2
359: ENDMENUITEMS
360: unless ($ENV{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
361: $menuitems.=(<<ENDREALRES);
362: s&6&3&catalog.gif&catalog&info&catalog_info()&Show catalog information
363: s&8&1&eval.gif&evaluate&this&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
364: s&8&2&fdbk.gif&feedback&discuss&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
365: ENDREALRES
366: }
367: my $buttons='';
368: foreach (split(/\n/,$menuitems)) {
369: my ($command,@rest)=split(/\&/,$_);
370: if ($command eq 's') {
371: $buttons.=&switch('','',@rest);
372: } else {
373: $buttons.=&clear(@rest);
374: }
375: }
376: if ($textual) {
377: # Registered, textual output
378: my $utility=&utilityfunctions();
379: my $form=&serverform();
380: my $inlinebuttons='';
381:
382: if ($ENV{'browser.interface'} eq 'textual') {
383: $inlinebuttons=
384: join('',map { (defined($_)?$_:'') } @inlineremote);
385: } else {
386: $inlinebuttons=(<<ENDINLINE);
387: <tr><td>$inlineremote[21]</td><td> </td><td>$inlineremote[23]</td></tr>
388: <tr><td>$inlineremote[61]</td><td>$inlineremote[62]</td><td>$inlineremote[63]</td></tr>
389: <tr><td>$inlineremote[71]</td><td>$inlineremote[72]</td><td>$inlineremote[73]</td></tr>
390: <tr><td>$inlineremote[81]</td><td>$inlineremote[82]</td><td>$inlineremote[83]</td></tr>
391: <tr><td>$inlineremote[91]</td><td>$inlineremote[92]</td><td>$inlineremote[93]</td></tr>
392: ENDINLINE
393: }
394: $result =(<<ENDREGTEXT);
395: <script>
396: // BEGIN LON-CAPA Internal
397: $utility
398: </script>
399: $timesync
400: $newmail
401: $tablestart
402: $inlinebuttons
403: $tableend
404: $form
405: <script>
406: // END LON-CAPA Internal
407: </script>
408:
409: ENDREGTEXT
410: # Registered, graphical output
411: } else {
412: my $requri=(split(/\?/,$ENV{'request.noversionuri'}))[0];
413: $requri=&Apache::lonnet::unescape($requri);
414: $result = (<<ENDREGTHIS);
415:
416: <script language="JavaScript">
417: // BEGIN LON-CAPA Internal
418: var swmenu=null;
419:
420: function LONCAPAreg() {
421: swmenu=$reopen;
422: swmenu.clearTimeout(swmenu.menucltim);
423: $timesync
424: $newmail
425: $buttons
426: swmenu.currentURL="$requri";
427: swmenu.reloadURL=swmenu.currentURL+window.location.search;
428: swmenu.currentSymb="$ENV{'request.symb'}";
429: swmenu.reloadSymb="$ENV{'request.symb'}";
430: swmenu.currentStale=0;
431: $hwkadd
432: $editbutton
433: }
434:
435: function LONCAPAstale() {
436: swmenu=$reopen
437: swmenu.currentStale=1;
438: if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
439: swmenu.switchbutton
440: (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
441: }
442: swmenu.clearbut(7,1);
443: swmenu.clearbut(7,2);
444: swmenu.clearbut(7,3);
445: swmenu.menucltim=swmenu.setTimeout(
446: 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
447: 'clearbut(9,1);clearbut(9,2);clearbut(9,3);clearbut(6,3);clearbut(6,1)',
448: 2000);
449: }
450:
451: // END LON-CAPA Internal
452: </script>
453: ENDREGTHIS
454: }
455: # =============================================================================
456: } else {
457: # ========================================== This can or will not be registered
458: if ($textual) {
459: # Not registered, textual
460: $result= (<<ENDDONOTREGTEXT);
461: ENDDONOTREGTEXT
462: } else {
463: # Not registered, graphical
464: $result = (<<ENDDONOTREGTHIS);
465:
466: <script language="JavaScript">
467: // BEGIN LON-CAPA Internal
468: var swmenu=null;
469:
470: function LONCAPAreg() {
471: swmenu=$reopen
472: $timesync
473: swmenu.currentStale=1;
474: swmenu.clearbut(2,1);
475: swmenu.clearbut(2,3);
476: swmenu.clearbut(8,1);
477: swmenu.clearbut(8,2);
478: swmenu.clearbut(8,3);
479: if (swmenu.currentURL) {
480: swmenu.switchbutton
481: (3,1,'reload.gif','return','location','go(currentURL)');
482: } else {
483: swmenu.clearbut(3,1);
484: }
485: }
486:
487: function LONCAPAstale() {
488: }
489:
490: // END LON-CAPA Internal
491: </script>
492: ENDDONOTREGTHIS
493: }
494: # =============================================================================
495: }
496: return $result;
497: }
498:
499: sub loadevents() {
500: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
501: return 'LONCAPAreg();';
502: }
503:
504: sub unloadevents() {
505: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
506: return 'LONCAPAstale();';
507: }
508:
509: # ============================================================= Start up remote
510:
511: sub startupremote {
512: my ($lowerurl)=@_;
513: if (($ENV{'browser.interface'} eq 'textual') ||
514: ($ENV{'environment.remote'} eq 'off')) {
515: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
516: }
517: #
518: # The Remote actually gets launched!
519: #
520: my $configmenu=&rawconfig();
521: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
522:
523: return(<<ENDREMOTESTARTUP);
524: <script>
525:
526: function wheelswitch() {
527: if (window.status=='|') {
528: window.status='/';
529: } else {
530: if (window.status=='/') {
531: window.status='-';
532: } else {
533: if (window.status=='-') {
534: window.status='\\\\';
535: } else {
536: if (window.status=='\\\\') { window.status='|'; }
537: }
538: }
539: }
540: }
541:
542: // ---------------------------------------------------------- The wait function
543: var canceltim;
544: function wait() {
545: if ((menuloaded==1) || (tim==1)) {
546: window.status='Done.';
547: if (tim==0) {
548: clearTimeout(canceltim);
549: $configmenu
550: window.location='$lowerurl';
551: } else {
552: window.location='/adm/remote?action=collapse&url=$esclowerurl';
553: }
554: } else {
555: wheelswitch();
556: setTimeout('wait();',200);
557: }
558: }
559:
560: function main() {
561: canceltim=setTimeout('tim=1;',30000);
562: window.status='-';
563: wait();
564: }
565:
566: </script>
567: ENDREMOTESTARTUP
568: }
569:
570: sub setflags() {
571: return(<<ENDSETFLAGS);
572: <script>
573: menuloaded=0;
574: tim=0;
575: </script>
576: ENDSETFLAGS
577: }
578:
579: sub maincall() {
580: if (($ENV{'browser.interface'} eq 'textual') ||
581: ($ENV{'environment.remote'} eq 'off')) { return ''; }
582: return(<<ENDMAINCALL);
583: <script>
584: main();
585: </script>
586: ENDMAINCALL
587: }
588: # ================================================================= Reopen menu
589:
590: sub reopenmenu {
591: if (($ENV{'browser.interface'} eq 'textual') ||
592: ($ENV{'environment.remote'} eq 'off')) { return ''; }
593: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
594: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
595: return('window.open('.$nothing.',"'.$menuname.'","",false);');
596: }
597:
598: # =============================================================== Open the menu
599:
600: sub open {
601: my $returnval='';
602: if (($ENV{'browser.interface'} eq 'textual') ||
603: ($ENV{'environment.remote'} eq 'off')) { return ''; }
604: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
605: unless (shift eq 'unix') {
606: # resizing does not work on linux because of virtual desktop sizes
607: $returnval.=(<<ENDRESIZE);
608: if (window.screen) {
609: self.resizeTo(screen.availWidth-215,screen.availHeight-55);
610: self.moveTo(190,15);
611: }
612: ENDRESIZE
613: }
614: $returnval.=(<<ENDOPEN);
615: window.status='Opening LON-CAPA Remote Control';
616: var menu=window.open("/res/adm/pages/menu.html","$menuname",
617: "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
618: self.name='loncapaclient';
619: ENDOPEN
620: return '<script>'.$returnval.'</script>';
621: }
622:
623:
624: # ================================================================== Raw Config
625:
626: sub clear {
627: my ($row,$col)=@_;
628: unless (($ENV{'browser.interface'} eq 'textual') ||
629: ($ENV{'environment.remote'} eq 'off')) {
630: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
631: } else {
632: $inlineremote[10*$row+$col]='';
633: return '';
634: }
635: }
636:
637: # ============================================ Switch a button or create a link
638: # Switch acts on the javascript that is executed when a button is clicked.
639: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
640:
641: sub switch {
642: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$nobreak)=@_;
643: $act=~s/\$uname/$uname/g;
644: $act=~s/\$udom/$udom/g;
645: $top=&mt($top);
646: $bot=&mt($bot);
647: $desc=&mt($desc);
648: unless (($ENV{'browser.interface'} eq 'textual') ||
649: ($ENV{'environment.remote'} eq 'off')) {
650: # Remote
651: return "\n".
652: qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
653: } elsif ($ENV{'browser.interface'} eq 'textual') {
654: # Accessibility
655: if ($nobreak==2) { return ''; }
656: my $text=$top.' '.$bot;
657: $text=~s/\s*\-\s*//gs;
658: if ($nobreak) {
659: $inlineremote[10*$row+$col]=
660: '<a href="javascript:'.$act.';">'.$text.'</a>';
661: } else {
662: $inlineremote[10*$row+$col]="\n<br />".
663: $desc.' <a href="javascript:'.$act.';">'.$text.'</a>';
664: }
665: } else {
666: # Inline Remote
667: if ($nobreak==2) { return ''; }
668: my $text=$top.' '.$bot;
669: $text=~s/\s*\-\s*//gs;
670: my $pic=
671: '<img border="0" alt="'.$text.'" src="/res/adm/pages/'.$img.'" align="'.
672: ($nobreak==3?'right':'left').'" />';
673: if (($ENV{'browser.interface'} eq 'textual') || ($ENV{'browser.interface'} eq 'faketextual')) {
674: # Accessibility
675: if ($nobreak==3) {
676: $inlineremote[10*$row+$col]="\n".
677: '<td width="40%" align="right"><font color="'.$font.'" size="+1">'.$text.
678: '</font></td><td width="10%" align="right" bgcolor="'.$tabbg.'">'.
679: '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
680: } elsif ($nobreak) {
681: $inlineremote[10*$row+$col]="\n<tr>".
682: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
683: '<a href="javascript:'.$act.';">'.$pic.
684: '</a></td><td width="40%" align="left"><font color="'.$font.'" size="+1">'.$text.'</font></td>';
685: } else {
686: $inlineremote[10*$row+$col]="\n<tr>".
687: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
688: '<a href="javascript:'.$act.';">'.$pic.
689: '</a></td><td colspan="3"><font color="'.$font.'">'.$desc.
690: '</font></td></tr>';
691: }
692: } else {
693: # Inline Menu
694: $inlineremote[10*$row+$col]=
695: '<a href="javascript:'.$act.';">'.$pic.
696: '</a><font color="'.$font.'" size="2">'.$desc.
697: '</font>';
698: }
699: }
700: return '';
701: }
702:
703: sub secondlevel {
704: my $output='';
705: my
706: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
707: if ($prt eq 'any') {
708: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
709: } elsif ($prt=~/^r(\w+)/) {
710: if ($rol eq $1) {
711: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
712: }
713: }
714: return $output;
715: }
716:
717: sub openmenu {
718: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
719: if (($ENV{'browser.interface'} eq 'textual') ||
720: ($ENV{'environment.remote'} eq 'off')) { return ''; }
721: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
722: return "window.open(".$nothing.",'".$menuname."');";
723: }
724:
725: sub inlinemenu {
726: @inlineremote=();
727: undef @inlineremote;
728: &rawconfig(1);
729: return join('',map { (defined($_)?$_:'') } @inlineremote);
730: }
731:
732: sub rawconfig {
733: my $textualoverride=shift;
734: my $output='';
735: unless (($ENV{'browser.interface'} eq 'textual') ||
736: ($ENV{'environment.remote'} eq 'off')) {
737: $output.=
738: "window.status='Opening Remote Control';var swmenu=".&openmenu().
739: "\nwindow.status='Configuring Remote Control ';";
740: } else {
741: unless ($textualoverride) { return ''; }
742: }
743: my $uname=$ENV{'user.name'};
744: my $udom=$ENV{'user.domain'};
745: my $adv=$ENV{'user.adv'};
746: my $author=$ENV{'user.author'};
747: my $crs='';
748: if ($ENV{'request.course.id'}) {
749: $crs='/'.$ENV{'request.course.id'};
750: if ($ENV{'request.course.sec'}) {
751: $crs.='_'.$ENV{'request.course.sec'};
752: }
753: $crs=~s/\_/\//g;
754: }
755: my $pub=($ENV{'request.state'} eq 'published');
756: my $con=($ENV{'request.state'} eq 'construct');
757: my $rol=$ENV{'request.role'};
758: my $requested_domain = $ENV{'request.role.domain'};
759: foreach (@desklines) {
760: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
761: $prt=~s/\$uname/$uname/g;
762: $prt=~s/\$udom/$udom/g;
763: $prt=~s/\$crs/$crs/g;
764: $prt=~s/\$requested_domain/$requested_domain/g;
765: if ($pro eq 'clear') {
766: $output.=&clear($row,$col);
767: } elsif ($pro eq 'any') {
768: $output.=&secondlevel(
769: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
770: } elsif ($pro eq 'smp') {
771: unless ($adv) {
772: $output.=&secondlevel(
773: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
774: }
775: } elsif ($pro eq 'adv') {
776: if ($adv) {
777: $output.=&secondlevel(
778: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
779: }
780: } elsif (($pro=~/^p(\w+)/) && ($prt)) {
781: if (&Apache::lonnet::allowed($1,$prt)) {
782: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
783: }
784: } elsif ($pro eq 'course') {
785: if ($ENV{'request.course.fn'}) {
786: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
787: }
788: } elsif ($pro =~ /^course_(.*)$/) {
789: # Check for permissions inside of a course
790: if (($ENV{'request.course.id'}) &&
791: (&Apache::lonnet::allowed($1,$ENV{'request.course.id'}.
792: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))
793: )) {
794: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
795: }
796: } elsif ($pro eq 'author') {
797: if ($author) {
798: if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) ||
799: (($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) {
800: # Check that we are on the correct machine
801: my $cadom=$requested_domain;
802: my $caname=$ENV{'user.name'};
803: if ($prt eq 'rca') {
804: ($cadom,$caname)=
805: ($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
806: }
807: $act =~ s/\$caname/$caname/g;
808: my $home = &Apache::lonnet::homeserver($caname,$cadom);
809: if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
810: $output.=switch($caname,$cadom,
811: $row,$col,$img,$top,$bot,$act,$desc);
812: }
813: }
814: }
815: }
816: }
817: unless (($ENV{'browser.interface'} eq 'textual') ||
818: ($ENV{'environment.remote'} eq 'off')) {
819: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
820: }
821: return $output;
822: }
823:
824: # ======================================================================= Close
825:
826: sub close {
827: if (($ENV{'browser.interface'} eq 'textual') ||
828: ($ENV{'environment.remote'} eq 'off')) { return ''; }
829: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
830: return(<<ENDCLOSE);
831: <script>
832: window.status='Accessing Remote Control';
833: menu=window.open("/adm/rat/empty.html","$menuname",
834: "height=350,width=150,scrollbars=no,menubar=no");
835: window.status='Disabling Remote Control';
836: menu.active=0;
837: menu.autologout=0;
838: window.status='Closing Remote Control';
839: menu.close();
840: window.status='Done.';
841: </script>
842: ENDCLOSE
843: }
844:
845: # ====================================================================== Footer
846:
847: sub footer {
848:
849: }
850:
851: sub utilityfunctions {
852: unless (($ENV{'browser.interface'} eq 'textual') ||
853: ($ENV{'environment.remote'} eq 'off')) { return ''; }
854: my $currenturl=$ENV{'request.noversionuri'};
855: my $currentsymb=$ENV{'request.symb'};
856: return (<<ENDUTILITY)
857:
858: var currentURL="$currenturl";
859: var reloadURL="$currenturl";
860: var currentSymb="$currentsymb";
861:
862: function go(url) {
863: if (url!='' && url!= null) {
864: currentURL = null;
865: currentSymb= null;
866: window.location.href=url;
867: }
868: }
869:
870: function gopost(url,postdata) {
871: if (url!='') {
872: this.document.server.action=url;
873: this.document.server.postdata.value=postdata;
874: this.document.server.command.value='';
875: this.document.server.url.value='';
876: this.document.server.symb.value='';
877: this.document.server.submit();
878: }
879: }
880:
881: function gocmd(url,cmd) {
882: if (url!='') {
883: this.document.server.action=url;
884: this.document.server.postdata.value='';
885: this.document.server.command.value=cmd;
886: this.document.server.url.value=currentURL;
887: this.document.server.symb.value=currentSymb;
888: this.document.server.submit();
889: }
890: }
891:
892: function catalog_info() {
893: loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
894: }
895:
896: function chat_win() {
897: lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
898: }
899: ENDUTILITY
900: }
901:
902: sub serverform {
903: return(<<ENDSERVERFORM);
904:
905: <form name="server" action="/adm/logout" method="post" target="_top">
906: <input type="hidden" name="postdata" value="none" />
907: <input type="hidden" name="command" value="none" />
908: <input type="hidden" name="url" value="none" />
909: <input type="hidden" name="symb" value="none" />
910: </form>
911: ENDSERVERFORM
912: }
913: # ================================================ Handler when called directly
914:
915:
916: sub handler {
917: my $r = shift;
918: &Apache::loncommon::content_type($r,'text/html');
919: $r->send_http_header;
920: return OK if $r->header_only;
921:
922: my $form=&serverform();
923: my $bodytag=&Apache::loncommon::bodytag('Main Menu');
924: my $function='student';
925: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
926: $function='coordinator';
927: }
928: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
929: $function='admin';
930: }
931: if (($ENV{'request.role'}=~/^(au|ca)/) ||
932: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
933: $function='author';
934: }
935: my $domain=&Apache::loncommon::determinedomain();
936: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
937: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
938: $font=&Apache::loncommon::designparm($function.'.font',$domain);
939: # ---- Print the screen, pretent to be in text mode to generate text-based menu
940: unless ($ENV{'browser.interface'} eq 'textual') {
941: $ENV{'browser.interface'}='faketextual';
942: $ENV{'environment.remote'}='off';
943: }
944: my $utility=&utilityfunctions();
945: $r->print(<<ENDHEADER);
946: <html><head>
947: <title>LON-CAPA Main Menu</title>
948: <script>
949: $utility
950: </script>
951: </head>
952: $bodytag
953: ENDHEADER
954: $r->print('<table>'.&inlinemenu().'</table>'.$form);
955: $r->print('</body></html>');
956: return OK;
957: }
958:
959: # ================================================================ Main Program
960:
961: BEGIN {
962: if (! defined($readdesk)) {
963: {
964: my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
965: if ( CORE::open( my $config,"<$tabfile") ) {
966: while (my $configline=<$config>) {
967: $configline=(split(/\#/,$configline))[0];
968: $configline=~s/^\s+//;
969: chomp($configline);
970: if ($configline) {
971: $desklines[$#desklines+1]=$configline;
972: }
973: }
974: CORE::close($config);
975: }
976: }
977: $readdesk='done';
978: }
979: }
980:
981: 1;
982: __END__
983:
984:
985:
986:
987:
988:
989:
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