1: # The LearningOnline Network with CAPA
2: # Routines to control the menu
3: #
4: # $Id: lonmenu.pm,v 1.114 2004/08/23 21:05:03 albertel 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 $registration=shift;
71:
72: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
73: ['inhibitmenu']);
74: if ($ENV{'form.inhibitmenu'} eq 'yes') { return ''; }
75:
76: my $navmaps='';
77: my $reloadlink='';
78: my $escurl=&Apache::lonnet::escape($ENV{'request.noversionuri'});
79: my $escsymb=&Apache::lonnet::escape($ENV{'request.symb'});
80: if ($ENV{'browser.interface'} eq 'textual') {
81: # Textual display only
82: my %lt=&initlittle();
83: $pgbg='#FFFFFF';
84: $tabbg='#FFFFFF';
85: $font='#000000';
86: if ($ENV{'request.course.id'}) {
87: $navmaps=(<<ENDNAV);
88: <a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top">$lt{'nav'}</a>
89: ENDNAV
90: if (($ENV{'request.noversionuri'}=~/^\/adm\//) &&
91: ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
92: ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
93: my $escreload=&Apache::lonnet::escape('return:');
94: $reloadlink=(<<ENDRELOAD);
95: <a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a>
96: ENDRELOAD
97: }
98: }
99: my $output=(<<ENDMAINMENU);
100: <script>
101: // BEGIN LON-CAPA Internal
102: </script>
103: <a href="/adm/menu" target="_top">$lt{'main'}</a>
104: $reloadlink $navmaps<br />
105: <script>
106: // END LON-CAPA Internal
107: </script>
108: ENDMAINMENU
109: if ($registration) { $output.=&innerregister($forcereg,$target); }
110: return $output."<hr />";
111: } elsif ($ENV{'environment.remote'} eq 'off') {
112: # Remote Control is switched off
113: # figure out colors
114: my %lt=&initlittle();
115: my $function='student';
116: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
117: $function='coordinator';
118: }
119: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
120: $function='admin';
121: }
122: if (($ENV{'request.role'}=~/^(au|ca)/) ||
123: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
124: $function='author';
125: }
126: my $domain=&Apache::loncommon::determinedomain();
127: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
128: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
129: $font=&Apache::loncommon::designparm($function.'.font',$domain);
130: my $link=&Apache::loncommon::designparm($function.'.link',$domain);
131: my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
132: my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
133: my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
134: # Do we have a NAV link?
135: if ($ENV{'request.course.id'}) {
136: my $navcontrol=&Apache::lonnavmaps::nav_control_js();
137: $navmaps=(<<ENDNAV);
138: <td bgcolor="$tabbg">
139: <script type="text/javascript">
140: $navcontrol
141: </script>
142: <a href="javascript:gonav('/adm/navmaps?postdata=$escurl&postsymb=$escsymb')"><font color="$font">$lt{'nav'}</font></a></td>
143: ENDNAV
144: if (($ENV{'request.noversionuri'}=~/^\/adm\//) &&
145: ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
146: ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
147: my $escreload=&Apache::lonnet::escape('return:');
148: $reloadlink=(<<ENDRELOAD);
149: <td bgcolor="$tabbg">
150: <a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a></td>
151: ENDRELOAD
152: }
153: }
154: my $reg='';
155: if ($registration) {
156: $reg=&innerregister($forcereg,$target);
157: }
158: return (<<ENDINLINEMENU);
159: <script>
160: // BEGIN LON-CAPA Internal
161: </script>
162: <font face="Arial,Helvetica,sans-serif"><table bgcolor="$pgbg" width="100%" border="0" cellpadding="1" cellspacing="1">
163: <tr>
164: <td bgcolor="$tabbg">
165: <a href="/adm/menu" target="_top"><font color="$font">$lt{'main'}</font></a>
166: </td>
167: $reloadlink
168: $navmaps
169: <td bgcolor="$tabbg">
170: <a href="/adm/remote?action=launch&url=$escurl" target="_top">
171: <font color="$font">$lt{'launch'}</font></a></td>
172: <td bgcolor="$tabbg">
173: <img align="right" src="/adm/lonIcons/minilogo.gif" />
174: <b>LON-CAPA</b></td>
175: </tr>
176: </table>
177: </font>
178: <script>
179: // END LON-CAPA Internal
180: </script>
181: $reg
182: ENDINLINEMENU
183: } else {
184: return '';
185: }
186: }
187:
188: # ====================================== This gets called in the header section
189:
190: sub registerurl {
191: my $forcereg=shift;
192: my $target = shift;
193: my $result = '';
194: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
195: my $force_title='';
196: if ($ENV{'request.state'} eq 'construct') {
197: $force_title=&Apache::lonxml::display_title();
198: }
199: if ($target eq 'edit') {
200: $result .="<script type=\"text/javascript\">\n".
201: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
202: &Apache::loncommon::browser_and_searcher_javascript().
203: "\n</script>\n";
204: }
205: if (($ENV{'browser.interface'} eq 'textual') ||
206: ($ENV{'environment.remote'} eq 'off') ||
207: ((($ENV{'request.publicaccess'}) ||
208: (!&Apache::lonnet::is_on_map(
209: &Apache::lonnet::unescape($ENV{'request.noversionuri'})))) &&
210: (!$forcereg))) {
211: return $result.
212: '<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>'.$force_title;
213: }
214: # Graphical display after login only
215: if ($Apache::lonxml::registered && !$forcereg) { return ''; }
216: if ($target ne 'edit') {
217: $result.=&innerregister($forcereg,$target);
218: }
219: return $result.$force_title;
220: }
221:
222: # =========== This gets called in order to register a URL, both with the Remote
223: # =========== and in the body of the document
224:
225: sub innerregister {
226: my $forcereg=shift;
227: my $target = shift;
228: my $result = '';
229: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
230:
231: $Apache::lonxml::registered=1;
232:
233: my $textinter=($ENV{'browser.interface'} eq 'textual');
234: my $noremote=($ENV{'environment.remote'} eq 'off');
235:
236: my $textual=($textinter || $noremote);
237:
238: @inlineremote=();
239: undef @inlineremote;
240:
241: my $reopen=&Apache::lonmenu::reopenmenu();
242:
243: my $newmail='';
244: if ($noremote) {
245: $newmail='<font face="Arial,Helvetica,sans-serif"><table bgcolor="'.$pgbg.'" border="0" cellspacing="1" cellpadding="1" width="100%"><tr><td bgcolor="'.$tabbg.'">';
246: }
247: if (($textual) && ($ENV{'request.symb'}) && ($ENV{'request.course.id'})) {
248: my ($mapurl,$rid,$resurl)=&Apache::lonnet::decode_symb($ENV{'request.symb'});
249: $newmail.=$ENV{'course.'.$ENV{'request.course.id'}.'.description'};
250: my $maptitle=&Apache::lonnet::gettitle($mapurl);
251: my $restitle=&Apache::lonnet::gettitle($resurl);
252: if ($maptitle) {
253: $newmail.=', '.$maptitle;
254: }
255: if ($restitle) {
256: $newmail.=': '.$restitle;
257: }
258: $newmail.=' ';
259: }
260: if (&Apache::lonmsg::newmail()) {
261: $newmail=($textual?
262: '<b><a href="/adm/communicate" target="_top">You have new messages</a></b><br />':
263: 'swmenu.setstatus("you have","messages");');
264: }
265: if ($noremote) {
266: $newmail.='</td></tr></table></font>';
267: }
268: my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
269: 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 />':'');
270: my $tableend=($noremote?'</table></font>':'').($textinter?'<a name="content" />':'');
271: # =============================================================================
272: # ============================ This is for URLs that actually can be registered
273: if (($ENV{'request.noversionuri'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
274: # -- This applies to homework problems for users with grading privileges
275: my $crs='/'.$ENV{'request.course.id'};
276: if ($ENV{'request.course.sec'}) {
277: $crs.='_'.$ENV{'request.course.sec'};
278: }
279: $crs=~s/\_/\//g;
280:
281: my $hwkadd='';
282: if ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
283: if (&Apache::lonnet::allowed('vgr',$crs)) {
284: $hwkadd.=&switch('','',7,1,'subm.gif','view sub-[_1]','missions[_1]',
285: "gocmd('/adm/grades','submission')",
286: 'View user submissions for this assessment resource');
287: }
288: if (&Apache::lonnet::allowed('mgr',$crs)) {
289: $hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_3]',
290: "gocmd('/adm/grades','gradingmenu')",
291: 'Modify user grades for this assessment resource');
292: }
293: }
294: if (&Apache::lonnet::allowed('opa',$crs)) {
295: $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
296: "gocmd('/adm/parmset','set')",
297: 'Modify deadlines, etc, for this resource');
298: }
299: # -- End Homework
300: ###
301: ### Determine whether or not to display the 'cstr' button for this
302: ### resource
303: ###
304: my $editbutton = '';
305: if ($ENV{'user.author'}) {
306: if ($ENV{'request.role'}=~/^(ca|au)/) {
307: # Set defaults for authors
308: my ($top,$bottom) = ('con-','struct');
309: my $action = "go('/priv/".$ENV{'user.name'}."');";
310: my $cadom = $ENV{'request.role.domain'};
311: my $caname = $ENV{'user.name'};
312: my $desc = "Enter my resource construction space";
313: # Set defaults for co-authors
314: if ($ENV{'request.role'} =~ /^ca/) {
315: ($cadom,$caname)=($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
316: ($top,$bottom) = ('co con-','struct');
317: $action = "go('/priv/".$caname."');";
318: $desc = "Enter construction space as co-author";
319: }
320: # Check that we are on the correct machine
321: my $home = &Apache::lonnet::homeserver($caname,$cadom);
322: my $allowed=0;
323: my @ids=&Apache::lonnet::current_machine_ids();
324: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
325: if (!$allowed) {
326: $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
327: }
328: }
329: ##
330: ## Determine if user can edit url.
331: ##
332: my $cfile='';
333: my $cfuname='';
334: my $cfudom='';
335: if ($ENV{'request.filename'}) {
336: my $file=&Apache::lonnet::declutter($ENV{'request.filename'});
337: $file=~s/^(\w+)\/(\w+)/\/priv\/$2/;
338: # Check that the user has permission to edit this resource
339: ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
340: if (defined($cfudom)) {
341: my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
342: my $allowed=0;
343: my @ids=&Apache::lonnet::current_machine_ids();
344: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
345: if ($allowed) {
346: $cfile=$file;
347: }
348: }
349: }
350: # Finally, turn the button on or off
351: if ($cfile) {
352: $editbutton=&switch
353: ('','',6,1,'cstr.gif','edit[_1]','resource[_2]',
354: "go('".$cfile."');","Edit this resource");
355: } elsif ($editbutton eq '') {
356: $editbutton=&clear(6,1);
357: }
358: }
359: ###
360: ###
361: # Prepare the rest of the buttons
362: my $menuitems=(<<ENDMENUITEMS);
363: c&3&1
364: s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1
365: s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&3
366: c&6&3
367: c&8&1
368: c&8&2
369: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
370: s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&2
371: s&9&3&anot.gif&anno-[_1]&tations[_1]&annotate()&Make notes and annotations about this resource&2
372: ENDMENUITEMS
373: unless ($ENV{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
374: $menuitems.=(<<ENDREALRES);
375: s&6&3&catalog.gif&catalog[_1]&info[_1]&catalog_info()&Show catalog information
376: s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
377: 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
378: ENDREALRES
379: }
380: my $buttons='';
381: foreach (split(/\n/,$menuitems)) {
382: my ($command,@rest)=split(/\&/,$_);
383: if ($command eq 's') {
384: $buttons.=&switch('','',@rest);
385: } else {
386: $buttons.=&clear(@rest);
387: }
388: }
389: if ($textual) {
390: # Registered, textual output
391: my $utility=&utilityfunctions();
392: my $form=&serverform();
393: my $inlinebuttons='';
394:
395: if ($ENV{'browser.interface'} eq 'textual') {
396: $inlinebuttons=
397: join('',map { (defined($_)?$_:'') } @inlineremote);
398: } else {
399: $inlinebuttons=(<<ENDINLINE);
400: <tr><td>$inlineremote[21]</td><td> </td><td>$inlineremote[23]</td></tr>
401: <tr><td>$inlineremote[61]</td><td>$inlineremote[62]</td><td>$inlineremote[63]</td></tr>
402: <tr><td>$inlineremote[71]</td><td>$inlineremote[72]</td><td>$inlineremote[73]</td></tr>
403: <tr><td>$inlineremote[81]</td><td>$inlineremote[82]</td><td>$inlineremote[83]</td></tr>
404: <tr><td>$inlineremote[91]</td><td>$inlineremote[92]</td><td>$inlineremote[93]</td></tr>
405: ENDINLINE
406: }
407: $result =(<<ENDREGTEXT);
408: <script>
409: // BEGIN LON-CAPA Internal
410: $utility
411: </script>
412: $timesync
413: $newmail
414: $tablestart
415: $inlinebuttons
416: $tableend
417: $form
418: <script>
419: // END LON-CAPA Internal
420: </script>
421:
422: ENDREGTEXT
423: # Registered, graphical output
424: } else {
425: my $requri=(split(/\?/,$ENV{'request.noversionuri'}))[0];
426: $requri=&Apache::lonnet::unescape($requri);
427: my $navstatus=&get_nav_status();
428: $result = (<<ENDREGTHIS);
429:
430: <script language="JavaScript">
431: // BEGIN LON-CAPA Internal
432: var swmenu=null;
433:
434: function LONCAPAreg() {
435: swmenu=$reopen;
436: swmenu.clearTimeout(swmenu.menucltim);
437: $timesync
438: $newmail
439: $buttons
440: swmenu.currentURL="$requri";
441: swmenu.reloadURL=swmenu.currentURL+window.location.search;
442: swmenu.currentSymb="$ENV{'request.symb'}";
443: swmenu.reloadSymb="$ENV{'request.symb'}";
444: swmenu.currentStale=0;
445: $navstatus
446: $hwkadd
447: $editbutton
448: }
449:
450: function LONCAPAstale() {
451: swmenu=$reopen
452: swmenu.currentStale=1;
453: if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
454: swmenu.switchbutton
455: (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
456: }
457: swmenu.clearbut(7,1);
458: swmenu.clearbut(7,2);
459: swmenu.clearbut(7,3);
460: swmenu.menucltim=swmenu.setTimeout(
461: 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
462: 'clearbut(9,1);clearbut(9,3);clearbut(6,3);clearbut(6,1)',
463: 2000);
464: }
465:
466: // END LON-CAPA Internal
467: </script>
468: ENDREGTHIS
469: }
470: # =============================================================================
471: } else {
472: # ========================================== This can or will not be registered
473: if ($textual) {
474: # Not registered, textual
475: $result= (<<ENDDONOTREGTEXT);
476: ENDDONOTREGTEXT
477: } else {
478: # Not registered, graphical
479: $result = (<<ENDDONOTREGTHIS);
480:
481: <script language="JavaScript">
482: // BEGIN LON-CAPA Internal
483: var swmenu=null;
484:
485: function LONCAPAreg() {
486: swmenu=$reopen
487: $timesync
488: swmenu.currentStale=1;
489: swmenu.clearbut(2,1);
490: swmenu.clearbut(2,3);
491: swmenu.clearbut(8,1);
492: swmenu.clearbut(8,2);
493: swmenu.clearbut(8,3);
494: if (swmenu.currentURL) {
495: swmenu.switchbutton
496: (3,1,'reload.gif','return','location','go(currentURL)');
497: } else {
498: swmenu.clearbut(3,1);
499: }
500: }
501:
502: function LONCAPAstale() {
503: }
504:
505: // END LON-CAPA Internal
506: </script>
507: ENDDONOTREGTHIS
508: }
509: # =============================================================================
510: }
511: return $result;
512: }
513:
514: sub loadevents() {
515: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
516: return 'LONCAPAreg();';
517: }
518:
519: sub unloadevents() {
520: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
521: return 'LONCAPAstale();';
522: }
523:
524: # ============================================================= Start up remote
525:
526: sub startupremote {
527: my ($lowerurl)=@_;
528: if (($ENV{'browser.interface'} eq 'textual') ||
529: ($ENV{'environment.remote'} eq 'off')) {
530: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
531: }
532: #
533: # The Remote actually gets launched!
534: #
535: my $configmenu=&rawconfig();
536: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
537:
538: return(<<ENDREMOTESTARTUP);
539: <script>
540:
541: function wheelswitch() {
542: if (window.status=='|') {
543: window.status='/';
544: } else {
545: if (window.status=='/') {
546: window.status='-';
547: } else {
548: if (window.status=='-') {
549: window.status='\\\\';
550: } else {
551: if (window.status=='\\\\') { window.status='|'; }
552: }
553: }
554: }
555: }
556:
557: // ---------------------------------------------------------- The wait function
558: var canceltim;
559: function wait() {
560: if ((menuloaded==1) || (tim==1)) {
561: window.status='Done.';
562: if (tim==0) {
563: clearTimeout(canceltim);
564: $configmenu
565: window.location='$lowerurl';
566: } else {
567: window.location='/adm/remote?action=collapse&url=$esclowerurl';
568: }
569: } else {
570: wheelswitch();
571: setTimeout('wait();',200);
572: }
573: }
574:
575: function main() {
576: canceltim=setTimeout('tim=1;',30000);
577: window.status='-';
578: wait();
579: }
580:
581: </script>
582: ENDREMOTESTARTUP
583: }
584:
585: sub setflags() {
586: return(<<ENDSETFLAGS);
587: <script>
588: menuloaded=0;
589: tim=0;
590: </script>
591: ENDSETFLAGS
592: }
593:
594: sub maincall() {
595: if (($ENV{'browser.interface'} eq 'textual') ||
596: ($ENV{'environment.remote'} eq 'off')) { return ''; }
597: return(<<ENDMAINCALL);
598: <script>
599: main();
600: </script>
601: ENDMAINCALL
602: }
603: # ================================================================= Reopen menu
604:
605: sub reopenmenu {
606: if (($ENV{'browser.interface'} eq 'textual') ||
607: ($ENV{'environment.remote'} eq 'off')) { return ''; }
608: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
609: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
610: return('window.open('.$nothing.',"'.$menuname.'","",false);');
611: }
612:
613: # =============================================================== Open the menu
614:
615: sub open {
616: my $returnval='';
617: if (($ENV{'browser.interface'} eq 'textual') ||
618: ($ENV{'environment.remote'} eq 'off')) {
619: return '<script type="text/javascript">self.name="loncapaclient";</script>';
620: }
621: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
622: unless (shift eq 'unix') {
623: # resizing does not work on linux because of virtual desktop sizes
624: $returnval.=(<<ENDRESIZE);
625: if (window.screen) {
626: self.resizeTo(screen.availWidth-215,screen.availHeight-55);
627: self.moveTo(190,15);
628: }
629: ENDRESIZE
630: }
631: $returnval.=(<<ENDOPEN);
632: window.status='Opening LON-CAPA Remote Control';
633: var menu=window.open("/res/adm/pages/menu.html","$menuname",
634: "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
635: self.name='loncapaclient';
636: ENDOPEN
637: return '<script>'.$returnval.'</script>';
638: }
639:
640:
641: # ================================================================== Raw Config
642:
643: sub clear {
644: my ($row,$col)=@_;
645: unless (($ENV{'browser.interface'} eq 'textual') ||
646: ($ENV{'environment.remote'} eq 'off')) {
647: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
648: } else {
649: $inlineremote[10*$row+$col]='';
650: return '';
651: }
652: }
653:
654: # ============================================ Switch a button or create a link
655: # Switch acts on the javascript that is executed when a button is clicked.
656: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
657:
658: sub switch {
659: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$nobreak)=@_;
660: $act=~s/\$uname/$uname/g;
661: $act=~s/\$udom/$udom/g;
662: $top=&mt($top);
663: $bot=&mt($bot);
664: $desc=&mt($desc);
665: $img=&mt($img);
666: unless (($ENV{'browser.interface'} eq 'textual') ||
667: ($ENV{'environment.remote'} eq 'off')) {
668: # Remote
669: return "\n".
670: qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
671: } elsif ($ENV{'browser.interface'} eq 'textual') {
672: # Accessibility
673: if ($nobreak==2) { return ''; }
674: my $text=$top.' '.$bot;
675: $text=~s/\s*\-\s*//gs;
676: if ($nobreak) {
677: $inlineremote[10*$row+$col]=
678: '<a href="javascript:'.$act.';">'.$text.'</a>';
679: } else {
680: $inlineremote[10*$row+$col]="\n<br />".
681: $desc.' <a href="javascript:'.$act.';">'.$text.'</a>';
682: }
683: } else {
684: # Inline Remote
685: if ($nobreak==2) { return ''; }
686: my $text=$top.' '.$bot;
687: $text=~s/\s*\-\s*//gs;
688:
689: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
690: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
691: my $pic=
692: '<img border="0" alt="'.$text.'" src="http://'.$ENV{'HTTP_HOST'}.
693: ':'.$lonhttpdPort.'/res/adm/pages/'.$img.'" align="'.
694: ($nobreak==3?'right':'left').'" />';
695: if (($ENV{'browser.interface'} eq 'textual') || ($ENV{'browser.interface'} eq 'faketextual')) {
696: # Accessibility
697: if ($nobreak==3) {
698: $inlineremote[10*$row+$col]="\n".
699: '<td width="40%" align="right"><font color="'.$font.'" size="+1">'.$text.
700: '</font></td><td width="10%" align="right" bgcolor="'.$tabbg.'">'.
701: '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
702: } elsif ($nobreak) {
703: $inlineremote[10*$row+$col]="\n<tr>".
704: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
705: '<a href="javascript:'.$act.';">'.$pic.
706: '</a></td><td width="40%" align="left"><font color="'.$font.'" size="+1">'.$text.'</font></td>';
707: } else {
708: $inlineremote[10*$row+$col]="\n<tr>".
709: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
710: '<a href="javascript:'.$act.';">'.$pic.
711: '</a></td><td colspan="3"><font color="'.$font.'">'.$desc.
712: '</font></td></tr>';
713: }
714: } else {
715: # Inline Menu
716: $inlineremote[10*$row+$col]=
717: '<a href="javascript:'.$act.';">'.$pic.
718: '</a><font color="'.$font.'" size="2">'.$desc.
719: '</font>';
720: }
721: }
722: return '';
723: }
724:
725: sub secondlevel {
726: my $output='';
727: my
728: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
729: if ($prt eq 'any') {
730: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
731: } elsif ($prt=~/^r(\w+)/) {
732: if ($rol eq $1) {
733: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
734: }
735: }
736: return $output;
737: }
738:
739: sub openmenu {
740: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
741: if (($ENV{'browser.interface'} eq 'textual') ||
742: ($ENV{'environment.remote'} eq 'off')) { return ''; }
743: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
744: return "window.open(".$nothing.",'".$menuname."');";
745: }
746:
747: sub inlinemenu {
748: @inlineremote=();
749: undef @inlineremote;
750: &rawconfig(1);
751: return join('',map { (defined($_)?$_:'') } @inlineremote);
752: }
753:
754: sub rawconfig {
755: my $textualoverride=shift;
756: my $output='';
757: unless (($ENV{'browser.interface'} eq 'textual') ||
758: ($ENV{'environment.remote'} eq 'off')) {
759: $output.=
760: "window.status='Opening Remote Control';var swmenu=".&openmenu().
761: "\nwindow.status='Configuring Remote Control ';";
762: } else {
763: unless ($textualoverride) { return ''; }
764: }
765: my $uname=$ENV{'user.name'};
766: my $udom=$ENV{'user.domain'};
767: my $adv=$ENV{'user.adv'};
768: my $author=$ENV{'user.author'};
769: my $crs='';
770: if ($ENV{'request.course.id'}) {
771: $crs='/'.$ENV{'request.course.id'};
772: if ($ENV{'request.course.sec'}) {
773: $crs.='_'.$ENV{'request.course.sec'};
774: }
775: $crs=~s/\_/\//g;
776: }
777: my $pub=($ENV{'request.state'} eq 'published');
778: my $con=($ENV{'request.state'} eq 'construct');
779: my $rol=$ENV{'request.role'};
780: my $requested_domain = $ENV{'request.role.domain'};
781: foreach (@desklines) {
782: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
783: $prt=~s/\$uname/$uname/g;
784: $prt=~s/\$udom/$udom/g;
785: $prt=~s/\$crs/$crs/g;
786: $prt=~s/\$requested_domain/$requested_domain/g;
787: if ($pro eq 'clear') {
788: $output.=&clear($row,$col);
789: } elsif ($pro eq 'any') {
790: $output.=&secondlevel(
791: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
792: } elsif ($pro eq 'smp') {
793: unless ($adv) {
794: $output.=&secondlevel(
795: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
796: }
797: } elsif ($pro eq 'adv') {
798: if ($adv) {
799: $output.=&secondlevel(
800: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
801: }
802: } elsif (($pro=~/^p(\w+)/) && ($prt)) {
803: if (&Apache::lonnet::allowed($1,$prt)) {
804: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
805: }
806: } elsif ($pro eq 'course') {
807: if ($ENV{'request.course.fn'}) {
808: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
809: }
810: } elsif ($pro =~ /^course_(.*)$/) {
811: # Check for permissions inside of a course
812: if (($ENV{'request.course.id'}) &&
813: (&Apache::lonnet::allowed($1,$ENV{'request.course.id'}.
814: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))
815: )) {
816: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
817: }
818: } elsif ($pro eq 'author') {
819: if ($author) {
820: if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) ||
821: (($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) {
822: # Check that we are on the correct machine
823: my $cadom=$requested_domain;
824: my $caname=$ENV{'user.name'};
825: if ($prt eq 'rca') {
826: ($cadom,$caname)=
827: ($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
828: }
829: $act =~ s/\$caname/$caname/g;
830: my $home = &Apache::lonnet::homeserver($caname,$cadom);
831: my $allowed=0;
832: my @ids=&Apache::lonnet::current_machine_ids();
833: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
834: if ($allowed) {
835: $output.=switch($caname,$cadom,
836: $row,$col,$img,$top,$bot,$act,$desc);
837: }
838: }
839: }
840: }
841: }
842: unless (($ENV{'browser.interface'} eq 'textual') ||
843: ($ENV{'environment.remote'} eq 'off')) {
844: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
845: }
846: return $output;
847: }
848:
849: # ======================================================================= Close
850:
851: sub close {
852: if (($ENV{'browser.interface'} eq 'textual') ||
853: ($ENV{'environment.remote'} eq 'off')) { return ''; }
854: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
855: return(<<ENDCLOSE);
856: <script>
857: window.status='Accessing Remote Control';
858: menu=window.open("/adm/rat/empty.html","$menuname",
859: "height=350,width=150,scrollbars=no,menubar=no");
860: window.status='Disabling Remote Control';
861: menu.active=0;
862: menu.autologout=0;
863: window.status='Closing Remote Control';
864: menu.close();
865: window.status='Done.';
866: </script>
867: ENDCLOSE
868: }
869:
870: # ====================================================================== Footer
871:
872: sub footer {
873:
874: }
875:
876: sub utilityfunctions {
877: unless (($ENV{'browser.interface'} eq 'textual') ||
878: ($ENV{'environment.remote'} eq 'off')) { return ''; }
879: my $currenturl=$ENV{'request.noversionuri'};
880: my $currentsymb=$ENV{'request.symb'};
881: my $nav_control=&Apache::lonnavmaps::nav_control_js();
882: return (<<ENDUTILITY)
883:
884: var currentURL="$currenturl";
885: var reloadURL="$currenturl";
886: var currentSymb="$currentsymb";
887:
888: $nav_control
889:
890: function go(url) {
891: if (url!='' && url!= null) {
892: currentURL = null;
893: currentSymb= null;
894: window.location.href=url;
895: }
896: }
897:
898: function gopost(url,postdata) {
899: if (url!='') {
900: this.document.server.action=url;
901: this.document.server.postdata.value=postdata;
902: this.document.server.command.value='';
903: this.document.server.url.value='';
904: this.document.server.symb.value='';
905: this.document.server.submit();
906: }
907: }
908:
909: function gocmd(url,cmd) {
910: if (url!='') {
911: this.document.server.action=url;
912: this.document.server.postdata.value='';
913: this.document.server.command.value=cmd;
914: this.document.server.url.value=currentURL;
915: this.document.server.symb.value=currentSymb;
916: this.document.server.submit();
917: }
918: }
919:
920: function catalog_info() {
921: loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
922: }
923:
924: function chat_win() {
925: lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
926: }
927: ENDUTILITY
928: }
929:
930: sub serverform {
931: return(<<ENDSERVERFORM);
932:
933: <form name="server" action="/adm/logout" method="post" target="_top">
934: <input type="hidden" name="postdata" value="none" />
935: <input type="hidden" name="command" value="none" />
936: <input type="hidden" name="url" value="none" />
937: <input type="hidden" name="symb" value="none" />
938: </form>
939: ENDSERVERFORM
940: }
941:
942: sub get_nav_status {
943: my $navstatus="swmenu.w_loncapanav_flag=";
944: if ($ENV{'environment.remotenavmap'} eq 'on') {
945: $navstatus.="1";
946: } else {
947: $navstatus.="-1";
948: }
949: return $navstatus;
950: }
951:
952: # ================================================ Handler when called directly
953:
954:
955: sub handler {
956: my $r = shift;
957: &Apache::loncommon::content_type($r,'text/html');
958: $r->send_http_header;
959: return OK if $r->header_only;
960:
961: my $form=&serverform();
962: my $bodytag=&Apache::loncommon::bodytag('Main Menu');
963: my $function='student';
964: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
965: $function='coordinator';
966: }
967: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
968: $function='admin';
969: }
970: if (($ENV{'request.role'}=~/^(au|ca)/) ||
971: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
972: $function='author';
973: }
974: my $domain=&Apache::loncommon::determinedomain();
975: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
976: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
977: $font=&Apache::loncommon::designparm($function.'.font',$domain);
978: # ---- Print the screen, pretent to be in text mode to generate text-based menu
979: unless ($ENV{'browser.interface'} eq 'textual') {
980: $ENV{'browser.interface'}='faketextual';
981: $ENV{'environment.remote'}='off';
982: }
983: my $utility=&utilityfunctions();
984: $r->print(<<ENDHEADER);
985: <html><head>
986: <title>LON-CAPA Main Menu</title>
987: <script>
988: $utility
989: </script>
990: </head>
991: $bodytag
992: ENDHEADER
993: $r->print('<table>'.&inlinemenu().'</table>'.$form);
994: $r->print('</body></html>');
995: return OK;
996: }
997:
998: # ================================================================ Main Program
999:
1000: BEGIN {
1001: if (! defined($readdesk)) {
1002: {
1003: my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
1004: if ( CORE::open( my $config,"<$tabfile") ) {
1005: while (my $configline=<$config>) {
1006: $configline=(split(/\#/,$configline))[0];
1007: $configline=~s/^\s+//;
1008: chomp($configline);
1009: if ($configline) {
1010: $desklines[$#desklines+1]=$configline;
1011: }
1012: }
1013: CORE::close($config);
1014: }
1015: }
1016: $readdesk='done';
1017: }
1018: }
1019:
1020: 1;
1021: __END__
1022:
1023:
1024:
1025:
1026:
1027:
1028:
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