1: # The LearningOnline Network with CAPA
2: # Routines to control the menu
3: #
4: # $Id: lonmenu.pm,v 1.108 2004/06/27 16:03:57 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::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 $crs='/'.$ENV{'request.course.id'};
267: if ($ENV{'request.course.sec'}) {
268: $crs.='_'.$ENV{'request.course.sec'};
269: }
270: $crs=~s/\_/\//g;
271:
272: my $hwkadd='';
273: if ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
274: if (&Apache::lonnet::allowed('vgr',$crs)) {
275: $hwkadd.=&switch('','',7,1,'subm.gif','view sub-[_1]','missions[_1]',
276: "gocmd('/adm/grades','submission')",
277: 'View user submissions for this assessment resource');
278: }
279: if (&Apache::lonnet::allowed('mgr',$crs)) {
280: $hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_3]',
281: "gocmd('/adm/grades','gradingmenu')",
282: 'Modify user grades for this assessment resource');
283: }
284: }
285: if (&Apache::lonnet::allowed('opa',$crs)) {
286: $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
287: "gocmd('/adm/parmset','set')",
288: 'Modify deadlines, etc, for this resource');
289: }
290: # -- End Homework
291: ###
292: ### Determine whether or not to display the 'cstr' button for this
293: ### resource
294: ###
295: my $editbutton = '';
296: if ($ENV{'user.author'}) {
297: if ($ENV{'request.role'}=~/^(ca|au)/) {
298: # Set defaults for authors
299: my ($top,$bottom) = ('con-','struct');
300: my $action = "go('/priv/".$ENV{'user.name'}."');";
301: my $cadom = $ENV{'request.role.domain'};
302: my $caname = $ENV{'user.name'};
303: my $desc = "Enter my resource construction space";
304: # Set defaults for co-authors
305: if ($ENV{'request.role'} =~ /^ca/) {
306: ($cadom,$caname)=($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
307: ($top,$bottom) = ('co con-','struct');
308: $action = "go('/priv/".$caname."');";
309: $desc = "Enter construction space as co-author";
310: }
311: # Check that we are on the correct machine
312: my $home = &Apache::lonnet::homeserver($caname,$cadom);
313: if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
314: $editbutton=&switch
315: ('','',6,1,$top,,$bottom,$action,$desc);
316: }
317: }
318: ##
319: ## Determine if user can edit url.
320: ##
321: my $cfile='';
322: my $cfuname='';
323: my $cfudom='';
324: if ($ENV{'request.filename'}) {
325: my $file=&Apache::lonnet::declutter($ENV{'request.filename'});
326: $file=~s/^(\w+)\/(\w+)/\/priv\/$2/;
327: # Chech that the user has permission to edit this resource
328: ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
329: if (defined($cfudom)) {
330: if (&Apache::lonnet::homeserver($cfuname,$cfudom)
331: eq $Apache::lonnet::perlvar{'lonHostID'}) {
332: $cfile=$file;
333: }
334: }
335: }
336: # Finally, turn the button on or off
337: if ($cfile) {
338: $editbutton=&switch
339: ('','',6,1,'cstr.gif','edit[_1]','resource[_2]',
340: "go('".$cfile."');","Edit this resource");
341: } elsif ($editbutton eq '') {
342: $editbutton=&clear(6,1);
343: }
344: }
345: ###
346: ###
347: # Prepare the rest of the buttons
348: my $menuitems=(<<ENDMENUITEMS);
349: c&3&1
350: s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1
351: s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&3
352: c&6&3
353: c&8&1
354: c&8&2
355: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
356: s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&2
357: s&9&3&anot.gif&anno-[_1]&tations[_1]&annotate()&Make notes and annotations about this resource&2
358: ENDMENUITEMS
359: unless ($ENV{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
360: $menuitems.=(<<ENDREALRES);
361: s&6&3&catalog.gif&catalog[_1]&info[_1]&catalog_info()&Show catalog information
362: s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
363: 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
364: ENDREALRES
365: }
366: my $buttons='';
367: foreach (split(/\n/,$menuitems)) {
368: my ($command,@rest)=split(/\&/,$_);
369: if ($command eq 's') {
370: $buttons.=&switch('','',@rest);
371: } else {
372: $buttons.=&clear(@rest);
373: }
374: }
375: if ($textual) {
376: # Registered, textual output
377: my $utility=&utilityfunctions();
378: my $form=&serverform();
379: my $inlinebuttons='';
380:
381: if ($ENV{'browser.interface'} eq 'textual') {
382: $inlinebuttons=
383: join('',map { (defined($_)?$_:'') } @inlineremote);
384: } else {
385: $inlinebuttons=(<<ENDINLINE);
386: <tr><td>$inlineremote[21]</td><td> </td><td>$inlineremote[23]</td></tr>
387: <tr><td>$inlineremote[61]</td><td>$inlineremote[62]</td><td>$inlineremote[63]</td></tr>
388: <tr><td>$inlineremote[71]</td><td>$inlineremote[72]</td><td>$inlineremote[73]</td></tr>
389: <tr><td>$inlineremote[81]</td><td>$inlineremote[82]</td><td>$inlineremote[83]</td></tr>
390: <tr><td>$inlineremote[91]</td><td>$inlineremote[92]</td><td>$inlineremote[93]</td></tr>
391: ENDINLINE
392: }
393: $result =(<<ENDREGTEXT);
394: <script>
395: // BEGIN LON-CAPA Internal
396: $utility
397: </script>
398: $timesync
399: $newmail
400: $tablestart
401: $inlinebuttons
402: $tableend
403: $form
404: <script>
405: // END LON-CAPA Internal
406: </script>
407:
408: ENDREGTEXT
409: # Registered, graphical output
410: } else {
411: my $requri=(split(/\?/,$ENV{'request.noversionuri'}))[0];
412: $requri=&Apache::lonnet::unescape($requri);
413: $result = (<<ENDREGTHIS);
414:
415: <script language="JavaScript">
416: // BEGIN LON-CAPA Internal
417: var swmenu=null;
418:
419: function LONCAPAreg() {
420: swmenu=$reopen;
421: swmenu.clearTimeout(swmenu.menucltim);
422: $timesync
423: $newmail
424: $buttons
425: swmenu.currentURL="$requri";
426: swmenu.reloadURL=swmenu.currentURL+window.location.search;
427: swmenu.currentSymb="$ENV{'request.symb'}";
428: swmenu.reloadSymb="$ENV{'request.symb'}";
429: swmenu.currentStale=0;
430: $hwkadd
431: $editbutton
432: }
433:
434: function LONCAPAstale() {
435: swmenu=$reopen
436: swmenu.currentStale=1;
437: if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
438: swmenu.switchbutton
439: (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
440: }
441: swmenu.clearbut(7,1);
442: swmenu.clearbut(7,2);
443: swmenu.clearbut(7,3);
444: swmenu.menucltim=swmenu.setTimeout(
445: 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
446: 'clearbut(9,1);clearbut(9,3);clearbut(6,3);clearbut(6,1)',
447: 2000);
448: }
449:
450: // END LON-CAPA Internal
451: </script>
452: ENDREGTHIS
453: }
454: # =============================================================================
455: } else {
456: # ========================================== This can or will not be registered
457: if ($textual) {
458: # Not registered, textual
459: $result= (<<ENDDONOTREGTEXT);
460: ENDDONOTREGTEXT
461: } else {
462: # Not registered, graphical
463: $result = (<<ENDDONOTREGTHIS);
464:
465: <script language="JavaScript">
466: // BEGIN LON-CAPA Internal
467: var swmenu=null;
468:
469: function LONCAPAreg() {
470: swmenu=$reopen
471: $timesync
472: swmenu.currentStale=1;
473: swmenu.clearbut(2,1);
474: swmenu.clearbut(2,3);
475: swmenu.clearbut(8,1);
476: swmenu.clearbut(8,2);
477: swmenu.clearbut(8,3);
478: if (swmenu.currentURL) {
479: swmenu.switchbutton
480: (3,1,'reload.gif','return','location','go(currentURL)');
481: } else {
482: swmenu.clearbut(3,1);
483: }
484: }
485:
486: function LONCAPAstale() {
487: }
488:
489: // END LON-CAPA Internal
490: </script>
491: ENDDONOTREGTHIS
492: }
493: # =============================================================================
494: }
495: return $result;
496: }
497:
498: sub loadevents() {
499: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
500: return 'LONCAPAreg();';
501: }
502:
503: sub unloadevents() {
504: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
505: return 'LONCAPAstale();';
506: }
507:
508: # ============================================================= Start up remote
509:
510: sub startupremote {
511: my ($lowerurl)=@_;
512: if (($ENV{'browser.interface'} eq 'textual') ||
513: ($ENV{'environment.remote'} eq 'off')) {
514: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
515: }
516: #
517: # The Remote actually gets launched!
518: #
519: my $configmenu=&rawconfig();
520: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
521:
522: return(<<ENDREMOTESTARTUP);
523: <script>
524:
525: function wheelswitch() {
526: if (window.status=='|') {
527: window.status='/';
528: } else {
529: if (window.status=='/') {
530: window.status='-';
531: } else {
532: if (window.status=='-') {
533: window.status='\\\\';
534: } else {
535: if (window.status=='\\\\') { window.status='|'; }
536: }
537: }
538: }
539: }
540:
541: // ---------------------------------------------------------- The wait function
542: var canceltim;
543: function wait() {
544: if ((menuloaded==1) || (tim==1)) {
545: window.status='Done.';
546: if (tim==0) {
547: clearTimeout(canceltim);
548: $configmenu
549: window.location='$lowerurl';
550: } else {
551: window.location='/adm/remote?action=collapse&url=$esclowerurl';
552: }
553: } else {
554: wheelswitch();
555: setTimeout('wait();',200);
556: }
557: }
558:
559: function main() {
560: canceltim=setTimeout('tim=1;',30000);
561: window.status='-';
562: wait();
563: }
564:
565: </script>
566: ENDREMOTESTARTUP
567: }
568:
569: sub setflags() {
570: return(<<ENDSETFLAGS);
571: <script>
572: menuloaded=0;
573: tim=0;
574: </script>
575: ENDSETFLAGS
576: }
577:
578: sub maincall() {
579: if (($ENV{'browser.interface'} eq 'textual') ||
580: ($ENV{'environment.remote'} eq 'off')) { return ''; }
581: return(<<ENDMAINCALL);
582: <script>
583: main();
584: </script>
585: ENDMAINCALL
586: }
587: # ================================================================= Reopen menu
588:
589: sub reopenmenu {
590: if (($ENV{'browser.interface'} eq 'textual') ||
591: ($ENV{'environment.remote'} eq 'off')) { return ''; }
592: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
593: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
594: return('window.open('.$nothing.',"'.$menuname.'","",false);');
595: }
596:
597: # =============================================================== Open the menu
598:
599: sub open {
600: my $returnval='';
601: if (($ENV{'browser.interface'} eq 'textual') ||
602: ($ENV{'environment.remote'} eq 'off')) { return ''; }
603: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
604: unless (shift eq 'unix') {
605: # resizing does not work on linux because of virtual desktop sizes
606: $returnval.=(<<ENDRESIZE);
607: if (window.screen) {
608: self.resizeTo(screen.availWidth-215,screen.availHeight-55);
609: self.moveTo(190,15);
610: }
611: ENDRESIZE
612: }
613: $returnval.=(<<ENDOPEN);
614: window.status='Opening LON-CAPA Remote Control';
615: var menu=window.open("/res/adm/pages/menu.html","$menuname",
616: "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
617: self.name='loncapaclient';
618: ENDOPEN
619: return '<script>'.$returnval.'</script>';
620: }
621:
622:
623: # ================================================================== Raw Config
624:
625: sub clear {
626: my ($row,$col)=@_;
627: unless (($ENV{'browser.interface'} eq 'textual') ||
628: ($ENV{'environment.remote'} eq 'off')) {
629: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
630: } else {
631: $inlineremote[10*$row+$col]='';
632: return '';
633: }
634: }
635:
636: # ============================================ Switch a button or create a link
637: # Switch acts on the javascript that is executed when a button is clicked.
638: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
639:
640: sub switch {
641: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$nobreak)=@_;
642: $act=~s/\$uname/$uname/g;
643: $act=~s/\$udom/$udom/g;
644: $top=&mt($top);
645: $bot=&mt($bot);
646: $desc=&mt($desc);
647: $img=&mt($img);
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:
671: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
672: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
673: my $pic=
674: '<img border="0" alt="'.$text.'" src="http://'.$ENV{'HTTP_HOST'}.
675: ':'.$lonhttpdPort.'/res/adm/pages/'.$img.'" align="'.
676: ($nobreak==3?'right':'left').'" />';
677: if (($ENV{'browser.interface'} eq 'textual') || ($ENV{'browser.interface'} eq 'faketextual')) {
678: # Accessibility
679: if ($nobreak==3) {
680: $inlineremote[10*$row+$col]="\n".
681: '<td width="40%" align="right"><font color="'.$font.'" size="+1">'.$text.
682: '</font></td><td width="10%" align="right" bgcolor="'.$tabbg.'">'.
683: '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
684: } elsif ($nobreak) {
685: $inlineremote[10*$row+$col]="\n<tr>".
686: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
687: '<a href="javascript:'.$act.';">'.$pic.
688: '</a></td><td width="40%" align="left"><font color="'.$font.'" size="+1">'.$text.'</font></td>';
689: } else {
690: $inlineremote[10*$row+$col]="\n<tr>".
691: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
692: '<a href="javascript:'.$act.';">'.$pic.
693: '</a></td><td colspan="3"><font color="'.$font.'">'.$desc.
694: '</font></td></tr>';
695: }
696: } else {
697: # Inline Menu
698: $inlineremote[10*$row+$col]=
699: '<a href="javascript:'.$act.';">'.$pic.
700: '</a><font color="'.$font.'" size="2">'.$desc.
701: '</font>';
702: }
703: }
704: return '';
705: }
706:
707: sub secondlevel {
708: my $output='';
709: my
710: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
711: if ($prt eq 'any') {
712: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
713: } elsif ($prt=~/^r(\w+)/) {
714: if ($rol eq $1) {
715: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
716: }
717: }
718: return $output;
719: }
720:
721: sub openmenu {
722: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
723: if (($ENV{'browser.interface'} eq 'textual') ||
724: ($ENV{'environment.remote'} eq 'off')) { return ''; }
725: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
726: return "window.open(".$nothing.",'".$menuname."');";
727: }
728:
729: sub inlinemenu {
730: @inlineremote=();
731: undef @inlineremote;
732: &rawconfig(1);
733: return join('',map { (defined($_)?$_:'') } @inlineremote);
734: }
735:
736: sub rawconfig {
737: my $textualoverride=shift;
738: my $output='';
739: unless (($ENV{'browser.interface'} eq 'textual') ||
740: ($ENV{'environment.remote'} eq 'off')) {
741: $output.=
742: "window.status='Opening Remote Control';var swmenu=".&openmenu().
743: "\nwindow.status='Configuring Remote Control ';";
744: } else {
745: unless ($textualoverride) { return ''; }
746: }
747: my $uname=$ENV{'user.name'};
748: my $udom=$ENV{'user.domain'};
749: my $adv=$ENV{'user.adv'};
750: my $author=$ENV{'user.author'};
751: my $crs='';
752: if ($ENV{'request.course.id'}) {
753: $crs='/'.$ENV{'request.course.id'};
754: if ($ENV{'request.course.sec'}) {
755: $crs.='_'.$ENV{'request.course.sec'};
756: }
757: $crs=~s/\_/\//g;
758: }
759: my $pub=($ENV{'request.state'} eq 'published');
760: my $con=($ENV{'request.state'} eq 'construct');
761: my $rol=$ENV{'request.role'};
762: my $requested_domain = $ENV{'request.role.domain'};
763: foreach (@desklines) {
764: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
765: $prt=~s/\$uname/$uname/g;
766: $prt=~s/\$udom/$udom/g;
767: $prt=~s/\$crs/$crs/g;
768: $prt=~s/\$requested_domain/$requested_domain/g;
769: if ($pro eq 'clear') {
770: $output.=&clear($row,$col);
771: } elsif ($pro eq 'any') {
772: $output.=&secondlevel(
773: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
774: } elsif ($pro eq 'smp') {
775: unless ($adv) {
776: $output.=&secondlevel(
777: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
778: }
779: } elsif ($pro eq 'adv') {
780: if ($adv) {
781: $output.=&secondlevel(
782: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
783: }
784: } elsif (($pro=~/^p(\w+)/) && ($prt)) {
785: if (&Apache::lonnet::allowed($1,$prt)) {
786: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
787: }
788: } elsif ($pro eq 'course') {
789: if ($ENV{'request.course.fn'}) {
790: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
791: }
792: } elsif ($pro =~ /^course_(.*)$/) {
793: # Check for permissions inside of a course
794: if (($ENV{'request.course.id'}) &&
795: (&Apache::lonnet::allowed($1,$ENV{'request.course.id'}.
796: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))
797: )) {
798: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
799: }
800: } elsif ($pro eq 'author') {
801: if ($author) {
802: if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) ||
803: (($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) {
804: # Check that we are on the correct machine
805: my $cadom=$requested_domain;
806: my $caname=$ENV{'user.name'};
807: if ($prt eq 'rca') {
808: ($cadom,$caname)=
809: ($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
810: }
811: $act =~ s/\$caname/$caname/g;
812: my $home = &Apache::lonnet::homeserver($caname,$cadom);
813: if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
814: $output.=switch($caname,$cadom,
815: $row,$col,$img,$top,$bot,$act,$desc);
816: }
817: }
818: }
819: }
820: }
821: unless (($ENV{'browser.interface'} eq 'textual') ||
822: ($ENV{'environment.remote'} eq 'off')) {
823: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
824: }
825: return $output;
826: }
827:
828: # ======================================================================= Close
829:
830: sub close {
831: if (($ENV{'browser.interface'} eq 'textual') ||
832: ($ENV{'environment.remote'} eq 'off')) { return ''; }
833: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
834: return(<<ENDCLOSE);
835: <script>
836: window.status='Accessing Remote Control';
837: menu=window.open("/adm/rat/empty.html","$menuname",
838: "height=350,width=150,scrollbars=no,menubar=no");
839: window.status='Disabling Remote Control';
840: menu.active=0;
841: menu.autologout=0;
842: window.status='Closing Remote Control';
843: menu.close();
844: window.status='Done.';
845: </script>
846: ENDCLOSE
847: }
848:
849: # ====================================================================== Footer
850:
851: sub footer {
852:
853: }
854:
855: sub utilityfunctions {
856: unless (($ENV{'browser.interface'} eq 'textual') ||
857: ($ENV{'environment.remote'} eq 'off')) { return ''; }
858: my $currenturl=$ENV{'request.noversionuri'};
859: my $currentsymb=$ENV{'request.symb'};
860: return (<<ENDUTILITY)
861:
862: var currentURL="$currenturl";
863: var reloadURL="$currenturl";
864: var currentSymb="$currentsymb";
865:
866: function go(url) {
867: if (url!='' && url!= null) {
868: currentURL = null;
869: currentSymb= null;
870: window.location.href=url;
871: }
872: }
873:
874: function gopost(url,postdata) {
875: if (url!='') {
876: this.document.server.action=url;
877: this.document.server.postdata.value=postdata;
878: this.document.server.command.value='';
879: this.document.server.url.value='';
880: this.document.server.symb.value='';
881: this.document.server.submit();
882: }
883: }
884:
885: function gocmd(url,cmd) {
886: if (url!='') {
887: this.document.server.action=url;
888: this.document.server.postdata.value='';
889: this.document.server.command.value=cmd;
890: this.document.server.url.value=currentURL;
891: this.document.server.symb.value=currentSymb;
892: this.document.server.submit();
893: }
894: }
895:
896: function catalog_info() {
897: loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
898: }
899:
900: function chat_win() {
901: lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
902: }
903: ENDUTILITY
904: }
905:
906: sub serverform {
907: return(<<ENDSERVERFORM);
908:
909: <form name="server" action="/adm/logout" method="post" target="_top">
910: <input type="hidden" name="postdata" value="none" />
911: <input type="hidden" name="command" value="none" />
912: <input type="hidden" name="url" value="none" />
913: <input type="hidden" name="symb" value="none" />
914: </form>
915: ENDSERVERFORM
916: }
917: # ================================================ Handler when called directly
918:
919:
920: sub handler {
921: my $r = shift;
922: &Apache::loncommon::content_type($r,'text/html');
923: $r->send_http_header;
924: return OK if $r->header_only;
925:
926: my $form=&serverform();
927: my $bodytag=&Apache::loncommon::bodytag('Main Menu');
928: my $function='student';
929: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
930: $function='coordinator';
931: }
932: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
933: $function='admin';
934: }
935: if (($ENV{'request.role'}=~/^(au|ca)/) ||
936: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
937: $function='author';
938: }
939: my $domain=&Apache::loncommon::determinedomain();
940: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
941: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
942: $font=&Apache::loncommon::designparm($function.'.font',$domain);
943: # ---- Print the screen, pretent to be in text mode to generate text-based menu
944: unless ($ENV{'browser.interface'} eq 'textual') {
945: $ENV{'browser.interface'}='faketextual';
946: $ENV{'environment.remote'}='off';
947: }
948: my $utility=&utilityfunctions();
949: $r->print(<<ENDHEADER);
950: <html><head>
951: <title>LON-CAPA Main Menu</title>
952: <script>
953: $utility
954: </script>
955: </head>
956: $bodytag
957: ENDHEADER
958: $r->print('<table>'.&inlinemenu().'</table>'.$form);
959: $r->print('</body></html>');
960: return OK;
961: }
962:
963: # ================================================================ Main Program
964:
965: BEGIN {
966: if (! defined($readdesk)) {
967: {
968: my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
969: if ( CORE::open( my $config,"<$tabfile") ) {
970: while (my $configline=<$config>) {
971: $configline=(split(/\#/,$configline))[0];
972: $configline=~s/^\s+//;
973: chomp($configline);
974: if ($configline) {
975: $desklines[$#desklines+1]=$configline;
976: }
977: }
978: CORE::close($config);
979: }
980: }
981: $readdesk='done';
982: }
983: }
984:
985: 1;
986: __END__
987:
988:
989:
990:
991:
992:
993:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonmenu.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface