1: # The LearningOnline Network with CAPA
2: # Routines to control the menu
3: #
4: # $Id: lonmenu.pm,v 1.116 2004/09/18 16:28:35 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::lonnavmaps();
47: use Apache::lonlocal;
48:
49: use vars qw(@desklines $readdesk);
50:
51:
52: my @inlineremote;
53: my $font;
54: my $tabbg;
55: my $pgbg;
56:
57: # ================================================================ Little texts
58:
59: sub initlittle {
60: return &Apache::lonlocal::texthash('ret' => 'Return to Last Location',
61: 'nav' => 'Navigate Contents',
62: 'main' => 'Main Menu',
63: 'launch' => 'Launch Remote Control');
64: }
65:
66: # ============================= This gets called at the top of the body section
67:
68: sub menubuttons {
69: my $forcereg=shift;
70: my $target =shift;
71: my $registration=shift;
72: &Apache::loncommon::get_unprocessed_cgi($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 $utility=&utilityfunctions();
100: my $output=(<<ENDMAINMENU);
101: <script>
102: // BEGIN LON-CAPA Internal
103: $utility
104: </script>
105: <a href="/adm/menu" target="_top">$lt{'main'}</a>
106: $reloadlink $navmaps<br />
107: <script>
108: // END LON-CAPA Internal
109: </script>
110: ENDMAINMENU
111: if ($registration) { $output.=&innerregister($forcereg,$target); }
112: return $output."<hr />";
113: } elsif ($ENV{'environment.remote'} eq 'off') {
114: # Remote Control is switched off
115: # figure out colors
116: my %lt=&initlittle();
117: my $function='student';
118: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
119: $function='coordinator';
120: }
121: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
122: $function='admin';
123: }
124: if (($ENV{'request.role'}=~/^(au|ca)/) ||
125: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
126: $function='author';
127: }
128: my $domain=&Apache::loncommon::determinedomain();
129: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
130: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
131: $font=&Apache::loncommon::designparm($function.'.font',$domain);
132: my $link=&Apache::loncommon::designparm($function.'.link',$domain);
133: my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
134: my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
135: my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
136: # Do we have a NAV link?
137: if ($ENV{'request.course.id'}) {
138: $navmaps=(<<ENDNAV);
139: <td bgcolor="$tabbg">
140: <a href="javascript:gonav('/adm/navmaps?postdata=$escurl&postsymb=$escsymb')"><font color="$font">$lt{'nav'}</font></a></td>
141: ENDNAV
142: if (($ENV{'request.noversionuri'}=~/^\/adm\//) &&
143: ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
144: ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
145: my $escreload=&Apache::lonnet::escape('return:');
146: $reloadlink=(<<ENDRELOAD);
147: <td bgcolor="$tabbg">
148: <a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a></td>
149: ENDRELOAD
150: }
151: }
152: my $reg='';
153: if ($registration) {
154: $reg=&innerregister($forcereg,$target);
155: }
156: my $utility=&utilityfunctions();
157: return (<<ENDINLINEMENU);
158: <script>
159: // BEGIN LON-CAPA Internal
160: $utility
161: </script>
162: <font face="Arial,Helvetica,sans-serif"><table bgcolor="$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=$escurl">
171: <font color="$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 $form=&serverform();
392: my $inlinebuttons='';
393:
394: if ($ENV{'browser.interface'} eq 'textual') {
395: $inlinebuttons=
396: join('',map { (defined($_)?$_:'') } @inlineremote);
397: } else {
398: $inlinebuttons=(<<ENDINLINE);
399: <tr><td>$inlineremote[21]</td><td> </td><td>$inlineremote[23]</td></tr>
400: <tr><td>$inlineremote[61]</td><td>$inlineremote[62]</td><td>$inlineremote[63]</td></tr>
401: <tr><td>$inlineremote[71]</td><td>$inlineremote[72]</td><td>$inlineremote[73]</td></tr>
402: <tr><td>$inlineremote[81]</td><td>$inlineremote[82]</td><td>$inlineremote[83]</td></tr>
403: <tr><td>$inlineremote[91]</td><td>$inlineremote[92]</td><td>$inlineremote[93]</td></tr>
404: ENDINLINE
405: }
406: $result =(<<ENDREGTEXT);
407: <script>
408: // BEGIN LON-CAPA Internal
409: </script>
410: $timesync
411: $newmail
412: $tablestart
413: $inlinebuttons
414: $tableend
415: $form
416: <script>
417: // END LON-CAPA Internal
418: </script>
419:
420: ENDREGTEXT
421: # Registered, graphical output
422: } else {
423: my $requri=(split(/\?/,$ENV{'request.noversionuri'}))[0];
424: $requri=&Apache::lonnet::unescape($requri);
425: my $navstatus=&get_nav_status();
426: $result = (<<ENDREGTHIS);
427:
428: <script language="JavaScript">
429: // BEGIN LON-CAPA Internal
430: var swmenu=null;
431:
432: function LONCAPAreg() {
433: swmenu=$reopen;
434: swmenu.clearTimeout(swmenu.menucltim);
435: $timesync
436: $newmail
437: $buttons
438: swmenu.currentURL="$requri";
439: swmenu.reloadURL=swmenu.currentURL+window.location.search;
440: swmenu.currentSymb="$ENV{'request.symb'}";
441: swmenu.reloadSymb="$ENV{'request.symb'}";
442: swmenu.currentStale=0;
443: $navstatus
444: $hwkadd
445: $editbutton
446: }
447:
448: function LONCAPAstale() {
449: swmenu=$reopen
450: swmenu.currentStale=1;
451: if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
452: swmenu.switchbutton
453: (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
454: }
455: swmenu.clearbut(7,1);
456: swmenu.clearbut(7,2);
457: swmenu.clearbut(7,3);
458: swmenu.menucltim=swmenu.setTimeout(
459: 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
460: 'clearbut(9,1);clearbut(9,3);clearbut(6,3);clearbut(6,1)',
461: 2000);
462: }
463:
464: // END LON-CAPA Internal
465: </script>
466: ENDREGTHIS
467: }
468: # =============================================================================
469: } else {
470: # ========================================== This can or will not be registered
471: if ($textual) {
472: # Not registered, textual
473: $result= (<<ENDDONOTREGTEXT);
474: ENDDONOTREGTEXT
475: } else {
476: # Not registered, graphical
477: $result = (<<ENDDONOTREGTHIS);
478:
479: <script language="JavaScript">
480: // BEGIN LON-CAPA Internal
481: var swmenu=null;
482:
483: function LONCAPAreg() {
484: swmenu=$reopen
485: $timesync
486: swmenu.currentStale=1;
487: swmenu.clearbut(2,1);
488: swmenu.clearbut(2,3);
489: swmenu.clearbut(8,1);
490: swmenu.clearbut(8,2);
491: swmenu.clearbut(8,3);
492: if (swmenu.currentURL) {
493: swmenu.switchbutton
494: (3,1,'reload.gif','return','location','go(currentURL)');
495: } else {
496: swmenu.clearbut(3,1);
497: }
498: }
499:
500: function LONCAPAstale() {
501: }
502:
503: // END LON-CAPA Internal
504: </script>
505: ENDDONOTREGTHIS
506: }
507: # =============================================================================
508: }
509: return $result;
510: }
511:
512: sub loadevents() {
513: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
514: return 'LONCAPAreg();';
515: }
516:
517: sub unloadevents() {
518: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
519: return 'LONCAPAstale();';
520: }
521:
522: # ============================================================= Start up remote
523:
524: sub startupremote {
525: my ($lowerurl)=@_;
526: if (($ENV{'browser.interface'} eq 'textual') ||
527: ($ENV{'environment.remote'} eq 'off')) {
528: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
529: }
530: #
531: # The Remote actually gets launched!
532: #
533: my $configmenu=&rawconfig();
534: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
535:
536: return(<<ENDREMOTESTARTUP);
537: <script>
538:
539: function wheelswitch() {
540: if (window.status=='|') {
541: window.status='/';
542: } else {
543: if (window.status=='/') {
544: window.status='-';
545: } else {
546: if (window.status=='-') {
547: window.status='\\\\';
548: } else {
549: if (window.status=='\\\\') { window.status='|'; }
550: }
551: }
552: }
553: }
554:
555: // ---------------------------------------------------------- The wait function
556: var canceltim;
557: function wait() {
558: if ((menuloaded==1) || (tim==1)) {
559: window.status='Done.';
560: if (tim==0) {
561: clearTimeout(canceltim);
562: $configmenu
563: window.location='$lowerurl';
564: } else {
565: window.location='/adm/remote?action=collapse&url=$esclowerurl';
566: }
567: } else {
568: wheelswitch();
569: setTimeout('wait();',200);
570: }
571: }
572:
573: function main() {
574: canceltim=setTimeout('tim=1;',30000);
575: window.status='-';
576: wait();
577: }
578:
579: </script>
580: ENDREMOTESTARTUP
581: }
582:
583: sub setflags() {
584: return(<<ENDSETFLAGS);
585: <script>
586: menuloaded=0;
587: tim=0;
588: </script>
589: ENDSETFLAGS
590: }
591:
592: sub maincall() {
593: if (($ENV{'browser.interface'} eq 'textual') ||
594: ($ENV{'environment.remote'} eq 'off')) { return ''; }
595: return(<<ENDMAINCALL);
596: <script>
597: main();
598: </script>
599: ENDMAINCALL
600: }
601: # ================================================================= Reopen menu
602:
603: sub reopenmenu {
604: if (($ENV{'browser.interface'} eq 'textual') ||
605: ($ENV{'environment.remote'} eq 'off')) { return ''; }
606: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
607: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
608: return('window.open('.$nothing.',"'.$menuname.'","",false);');
609: }
610:
611: # =============================================================== Open the menu
612:
613: sub open {
614: my $returnval='';
615: if (($ENV{'browser.interface'} eq 'textual') ||
616: ($ENV{'environment.remote'} eq 'off')) {
617: return '<script type="text/javascript">self.name="loncapaclient";</script>';
618: }
619: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
620: unless (shift eq 'unix') {
621: # resizing does not work on linux because of virtual desktop sizes
622: $returnval.=(<<ENDRESIZE);
623: if (window.screen) {
624: self.resizeTo(screen.availWidth-215,screen.availHeight-55);
625: self.moveTo(190,15);
626: }
627: ENDRESIZE
628: }
629: $returnval.=(<<ENDOPEN);
630: window.status='Opening LON-CAPA Remote Control';
631: var menu=window.open("/res/adm/pages/menu.html","$menuname",
632: "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
633: self.name='loncapaclient';
634: ENDOPEN
635: return '<script>'.$returnval.'</script>';
636: }
637:
638:
639: # ================================================================== Raw Config
640:
641: sub clear {
642: my ($row,$col)=@_;
643: unless (($ENV{'browser.interface'} eq 'textual') ||
644: ($ENV{'environment.remote'} eq 'off')) {
645: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
646: } else {
647: $inlineremote[10*$row+$col]='';
648: return '';
649: }
650: }
651:
652: # ============================================ Switch a button or create a link
653: # Switch acts on the javascript that is executed when a button is clicked.
654: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
655:
656: sub switch {
657: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$nobreak)=@_;
658: $act=~s/\$uname/$uname/g;
659: $act=~s/\$udom/$udom/g;
660: $top=&mt($top);
661: $bot=&mt($bot);
662: $desc=&mt($desc);
663: $img=&mt($img);
664: unless (($ENV{'browser.interface'} eq 'textual') ||
665: ($ENV{'environment.remote'} eq 'off')) {
666: # Remote
667: return "\n".
668: qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
669: } elsif ($ENV{'browser.interface'} eq 'textual') {
670: # Accessibility
671: if ($nobreak==2) { return ''; }
672: my $text=$top.' '.$bot;
673: $text=~s/\s*\-\s*//gs;
674: if ($nobreak) {
675: $inlineremote[10*$row+$col]=
676: '<a href="javascript:'.$act.';">'.$text.'</a>';
677: } else {
678: $inlineremote[10*$row+$col]="\n<br />".
679: $desc.' <a href="javascript:'.$act.';">'.$text.'</a>';
680: }
681: } else {
682: # Inline Remote
683: if ($nobreak==2) { return ''; }
684: my $text=$top.' '.$bot;
685: $text=~s/\s*\-\s*//gs;
686:
687: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
688: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
689: my $pic=
690: '<img border="0" alt="'.$text.'" src="http://'.$ENV{'HTTP_HOST'}.
691: ':'.$lonhttpdPort.'/res/adm/pages/'.$img.'" align="'.
692: ($nobreak==3?'right':'left').'" />';
693: if (($ENV{'browser.interface'} eq 'textual') || ($ENV{'browser.interface'} eq 'faketextual')) {
694: # Accessibility
695: if ($nobreak==3) {
696: $inlineremote[10*$row+$col]="\n".
697: '<td width="40%" align="right"><font color="'.$font.'" size="+1">'.$text.
698: '</font></td><td width="10%" align="right" bgcolor="'.$tabbg.'">'.
699: '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
700: } elsif ($nobreak) {
701: $inlineremote[10*$row+$col]="\n<tr>".
702: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
703: '<a href="javascript:'.$act.';">'.$pic.
704: '</a></td><td width="40%" align="left"><font color="'.$font.'" size="+1">'.$text.'</font></td>';
705: } else {
706: $inlineremote[10*$row+$col]="\n<tr>".
707: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
708: '<a href="javascript:'.$act.';">'.$pic.
709: '</a></td><td colspan="3"><font color="'.$font.'">'.$desc.
710: '</font></td></tr>';
711: }
712: } else {
713: # Inline Menu
714: $inlineremote[10*$row+$col]=
715: '<a href="javascript:'.$act.';">'.$pic.
716: '</a><font color="'.$font.'" size="2">'.$desc.
717: '</font>';
718: }
719: }
720: return '';
721: }
722:
723: sub secondlevel {
724: my $output='';
725: my
726: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
727: if ($prt eq 'any') {
728: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
729: } elsif ($prt=~/^r(\w+)/) {
730: if ($rol eq $1) {
731: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
732: }
733: }
734: return $output;
735: }
736:
737: sub openmenu {
738: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
739: if (($ENV{'browser.interface'} eq 'textual') ||
740: ($ENV{'environment.remote'} eq 'off')) { return ''; }
741: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
742: return "window.open(".$nothing.",'".$menuname."');";
743: }
744:
745: sub inlinemenu {
746: @inlineremote=();
747: undef @inlineremote;
748: &rawconfig(1);
749: return join('',map { (defined($_)?$_:'') } @inlineremote);
750: }
751:
752: sub rawconfig {
753: my $textualoverride=shift;
754: my $output='';
755: unless (($ENV{'browser.interface'} eq 'textual') ||
756: ($ENV{'environment.remote'} eq 'off')) {
757: $output.=
758: "window.status='Opening Remote Control';var swmenu=".&openmenu().
759: "\nwindow.status='Configuring Remote Control ';";
760: } else {
761: unless ($textualoverride) { return ''; }
762: }
763: my $uname=$ENV{'user.name'};
764: my $udom=$ENV{'user.domain'};
765: my $adv=$ENV{'user.adv'};
766: my $author=$ENV{'user.author'};
767: my $crs='';
768: if ($ENV{'request.course.id'}) {
769: $crs='/'.$ENV{'request.course.id'};
770: if ($ENV{'request.course.sec'}) {
771: $crs.='_'.$ENV{'request.course.sec'};
772: }
773: $crs=~s/\_/\//g;
774: }
775: my $pub=($ENV{'request.state'} eq 'published');
776: my $con=($ENV{'request.state'} eq 'construct');
777: my $rol=$ENV{'request.role'};
778: my $requested_domain = $ENV{'request.role.domain'};
779: foreach (@desklines) {
780: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
781: $prt=~s/\$uname/$uname/g;
782: $prt=~s/\$udom/$udom/g;
783: $prt=~s/\$crs/$crs/g;
784: $prt=~s/\$requested_domain/$requested_domain/g;
785: if ($pro eq 'clear') {
786: $output.=&clear($row,$col);
787: } elsif ($pro eq 'any') {
788: $output.=&secondlevel(
789: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
790: } elsif ($pro eq 'smp') {
791: unless ($adv) {
792: $output.=&secondlevel(
793: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
794: }
795: } elsif ($pro eq 'adv') {
796: if ($adv) {
797: $output.=&secondlevel(
798: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
799: }
800: } elsif (($pro=~/^p(\w+)/) && ($prt)) {
801: if (&Apache::lonnet::allowed($1,$prt)) {
802: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
803: }
804: } elsif ($pro eq 'course') {
805: if ($ENV{'request.course.fn'}) {
806: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
807: }
808: } elsif ($pro =~ /^course_(.*)$/) {
809: # Check for permissions inside of a course
810: if (($ENV{'request.course.id'}) &&
811: (&Apache::lonnet::allowed($1,$ENV{'request.course.id'}.
812: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))
813: )) {
814: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
815: }
816: } elsif ($pro eq 'author') {
817: if ($author) {
818: if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) ||
819: (($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) {
820: # Check that we are on the correct machine
821: my $cadom=$requested_domain;
822: my $caname=$ENV{'user.name'};
823: if ($prt eq 'rca') {
824: ($cadom,$caname)=
825: ($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
826: }
827: $act =~ s/\$caname/$caname/g;
828: my $home = &Apache::lonnet::homeserver($caname,$cadom);
829: my $allowed=0;
830: my @ids=&Apache::lonnet::current_machine_ids();
831: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
832: if ($allowed) {
833: $output.=switch($caname,$cadom,
834: $row,$col,$img,$top,$bot,$act,$desc);
835: }
836: }
837: }
838: }
839: }
840: unless (($ENV{'browser.interface'} eq 'textual') ||
841: ($ENV{'environment.remote'} eq 'off')) {
842: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
843: }
844: return $output;
845: }
846:
847: # ======================================================================= Close
848:
849: sub close {
850: if (($ENV{'browser.interface'} eq 'textual') ||
851: ($ENV{'environment.remote'} eq 'off')) { return ''; }
852: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
853: return(<<ENDCLOSE);
854: <script>
855: window.status='Accessing Remote Control';
856: menu=window.open("/adm/rat/empty.html","$menuname",
857: "height=350,width=150,scrollbars=no,menubar=no");
858: window.status='Disabling Remote Control';
859: menu.active=0;
860: menu.autologout=0;
861: window.status='Closing Remote Control';
862: menu.close();
863: window.status='Done.';
864: </script>
865: ENDCLOSE
866: }
867:
868: # ====================================================================== Footer
869:
870: sub footer {
871:
872: }
873:
874: sub utilityfunctions {
875: unless (($ENV{'browser.interface'} eq 'textual') ||
876: ($ENV{'environment.remote'} eq 'off')) { return ''; }
877: my $currenturl=$ENV{'request.noversionuri'};
878: my $currentsymb=$ENV{'request.symb'};
879: my $nav_control=&Apache::lonnavmaps::nav_control_js();
880: return (<<ENDUTILITY)
881:
882: var currentURL="$currenturl";
883: var reloadURL="$currenturl";
884: var currentSymb="$currentsymb";
885:
886: $nav_control
887:
888: function go(url) {
889: if (url!='' && url!= null) {
890: currentURL = null;
891: currentSymb= null;
892: window.location.href=url;
893: }
894: }
895:
896: function gopost(url,postdata) {
897: if (url!='') {
898: this.document.server.action=url;
899: this.document.server.postdata.value=postdata;
900: this.document.server.command.value='';
901: this.document.server.url.value='';
902: this.document.server.symb.value='';
903: this.document.server.submit();
904: }
905: }
906:
907: function gocmd(url,cmd) {
908: if (url!='') {
909: this.document.server.action=url;
910: this.document.server.postdata.value='';
911: this.document.server.command.value=cmd;
912: this.document.server.url.value=currentURL;
913: this.document.server.symb.value=currentSymb;
914: this.document.server.submit();
915: }
916: }
917:
918: function catalog_info() {
919: loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
920: }
921:
922: function chat_win() {
923: lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
924: }
925: ENDUTILITY
926: }
927:
928: sub serverform {
929: return(<<ENDSERVERFORM);
930:
931: <form name="server" action="/adm/logout" method="post" target="_top">
932: <input type="hidden" name="postdata" value="none" />
933: <input type="hidden" name="command" value="none" />
934: <input type="hidden" name="url" value="none" />
935: <input type="hidden" name="symb" value="none" />
936: </form>
937: ENDSERVERFORM
938: }
939:
940: sub get_nav_status {
941: my $navstatus="swmenu.w_loncapanav_flag=";
942: if ($ENV{'environment.remotenavmap'} eq 'on') {
943: $navstatus.="1";
944: } else {
945: $navstatus.="-1";
946: }
947: return $navstatus;
948: }
949:
950: # ================================================ Handler when called directly
951:
952:
953: sub handler {
954: my $r = shift;
955: &Apache::loncommon::content_type($r,'text/html');
956: $r->send_http_header;
957: return OK if $r->header_only;
958:
959: my $form=&serverform();
960: my $bodytag=&Apache::loncommon::bodytag('Main Menu');
961: my $function='student';
962: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
963: $function='coordinator';
964: }
965: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
966: $function='admin';
967: }
968: if (($ENV{'request.role'}=~/^(au|ca)/) ||
969: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
970: $function='author';
971: }
972: my $domain=&Apache::loncommon::determinedomain();
973: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
974: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
975: $font=&Apache::loncommon::designparm($function.'.font',$domain);
976: # ---- Print the screen, pretent to be in text mode to generate text-based menu
977: unless ($ENV{'browser.interface'} eq 'textual') {
978: $ENV{'browser.interface'}='faketextual';
979: $ENV{'environment.remote'}='off';
980: }
981: $r->print(<<ENDHEADER);
982: <html><head>
983: <title>LON-CAPA Main Menu</title>
984: </head>
985: $bodytag
986: ENDHEADER
987: $r->print('<table>'.&inlinemenu().'</table>'.$form);
988: $r->print('</body></html>');
989: return OK;
990: }
991:
992: # ================================================================ Main Program
993:
994: BEGIN {
995: if (! defined($readdesk)) {
996: {
997: my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
998: if ( CORE::open( my $config,"<$tabfile") ) {
999: while (my $configline=<$config>) {
1000: $configline=(split(/\#/,$configline))[0];
1001: $configline=~s/^\s+//;
1002: chomp($configline);
1003: if ($configline) {
1004: $desklines[$#desklines+1]=$configline;
1005: }
1006: }
1007: CORE::close($config);
1008: }
1009: }
1010: $readdesk='done';
1011: }
1012: }
1013:
1014: 1;
1015: __END__
1016:
1017:
1018:
1019:
1020:
1021:
1022:
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