1: # The LearningOnline Network with CAPA
2: # Routines to control the menu
3: #
4: # $Id: lonmenu.pm,v 1.163 2005/11/08 17:57:41 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::lonenc();
47: use Apache::lonlocal;
48:
49: use vars qw(@desklines $readdesk);
50:
51:
52: my @inlineremote;
53: my $font;
54: my $tabbg;
55: my $pgbg;
56:
57: # ================================================================ Little texts
58:
59: sub initlittle {
60: return &Apache::lonlocal::texthash('ret' => 'Return to Last Location',
61: 'nav' => 'Navigate Contents',
62: 'main' => 'Main Menu',
63: 'roles' => ($env{'user.adv'}?
64: 'Roles':'Courses'),
65: 'docs' => 'Course Documents',
66: 'exit' => 'Exit',
67: 'launch' => 'Launch Remote Control');
68: }
69:
70: # ============================= This gets called at the top of the body section
71:
72: sub menubuttons {
73: my $forcereg=shift;
74: my $target =shift;
75: my $registration=shift;
76: my $titletable=shift;
77: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
78: ['inhibitmenu']);
79: if (($env{'form.inhibitmenu'} eq 'yes') ||
80: ($ENV{'REQUEST_URI'} eq '/adm/logout')) { return ''; }
81: my %lt=&initlittle();
82: my $navmaps='';
83: my $reloadlink='';
84: my $docs='';
85: my $escurl=&Apache::lonnet::escape(&Apache::lonenc::check_encrypt($env{'request.noversionuri'}));
86: my $escsymb=&Apache::lonnet::escape(&Apache::lonenc::check_encrypt($env{'request.symb'}));
87: my $face= 'face="Arial,Helvetica,sans-serif"';
88: if ($env{'request.state'} eq 'construct') {
89: if (($env{'request.noversionuri'} eq '') || (!defined($env{'request.noversionuri'}))) {
90: my $returnurl = $env{'request.filename'};
91: $returnurl =~ s:^/home/([^/]+)/public_html/(.*)$:/priv/$1/$2:;
92: $escurl = &Apache::lonnet::escape($returnurl);
93: }
94: }
95: if ($env{'browser.interface'} eq 'textual') {
96: # Textual display only
97: $pgbg='#FFFFFF';
98: $tabbg='#FFFFFF';
99: $font='#000000';
100: if ($env{'request.course.id'}) {
101: $navmaps=(<<ENDNAV);
102: <a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top">$lt{'nav'}</a>
103: ENDNAV
104: if (($env{'request.noversionuri'}=~/^\/adm\//) &&
105: ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
106: ($env{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
107: my $escreload=&Apache::lonnet::escape('return:');
108: $reloadlink=(<<ENDRELOAD);
109: <a href="/adm/flip?postdata=$escreload" target="_top"><font $face color="$font">$lt{'ret'}</font></a>
110: ENDRELOAD
111: }
112: if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
113: $docs=(<<ENDDOCS);
114: <a href="/adm/coursedocs" target="_top"><font $face color="$font">$lt{'docs'}</font></a>
115: ENDDOCS
116: }
117: }
118: my $form=&serverform();
119: my $utility=&utilityfunctions();
120: my $output=(<<ENDMAINMENU);
121: <script type="text/javascript">
122: // BEGIN LON-CAPA Internal
123: $utility
124: </script>
125: <a href="/adm/menu" target="_top">$lt{'main'}</a>
126: $reloadlink $navmaps $docs
127: <a href="/adm/roles" target="_top"><font $face color="$font">$lt{'roles'}</font></a>
128: <a href="/adm/logout" target="_top"><font $face color="$font">$lt{'exit'}</font></a>
129: <br />
130: <script type="text/javascript">
131: // END LON-CAPA Internal
132: </script>
133: $form
134: ENDMAINMENU
135: if ($registration) { $output.=&innerregister($forcereg,$target); }
136: return $output."<hr />";
137: } elsif ($env{'environment.remote'} eq 'off') {
138: # Remote Control is switched off
139: # figure out colors
140: my %lt=&initlittle();
141: my $function='student';
142: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
143: $function='coordinator';
144: }
145: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
146: $function='admin';
147: }
148: if (($env{'request.role'}=~/^(au|ca)/) ||
149: ($env{'request.noversionuri'}=~/^(\/priv|\~)/)) {
150: $function='author';
151: }
152: my $domain=&Apache::loncommon::determinedomain();
153: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
154: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
155: $font=&Apache::loncommon::designparm($function.'.font',$domain);
156: my $link=&Apache::loncommon::designparm($function.'.link',$domain);
157: my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
158: my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
159: my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
160: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
161: my $logo=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/minilogo.gif");
162: return (<<ENDINLINEMENU);
163: <font face="Arial,Helvetica,sans-serif">
164: <table bgcolor="$pgbg" width="100%" border="0" cellpadding="1" cellspacing="1">
165: <tr>
166: <td bgcolor="$tabbg">
167: <a href="/adm/logout" target="_top"><font color="$font">$lt{'exit'}</font></a>
168: </td>
169: <td align="right" bgcolor="$tabbg">
170: <img align="right" src="$logo" alt="Logo" />
171: <b>LON-CAPA</b>
172: </td>
173: </tr>
174: </table>
175: </font>
176: ENDINLINEMENU
177: }
178: # Do we have a NAV link?
179: if ($env{'request.course.id'}) {
180: my $link='/adm/navmaps?postdata='.$escurl.'&postsymb='.
181: $escsymb;
182: if ($env{'environment.remotenavmap'} eq 'on') {
183: $link="javascript:gonav('".$link."')";
184: }
185: $navmaps=(<<ENDNAV);
186: <td bgcolor="$tabbg">
187: <a href="$link" target="_top"><font $face color="$font">$lt{'nav'}</font></a></td>
188: ENDNAV
189: if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
190: $docs=(<<ENDDOCS);
191: <td bgcolor="$tabbg">
192: <a href="/adm/coursedocs" target="_top"><font $face color="$font">$lt{'docs'}</font></a></td>
193: ENDDOCS
194: }
195: if (
196: ($env{'request.noversionuri'}=~m[^/(res|public)/] &&
197: $env{'request.symb'} eq '')
198: ||
199: (($env{'request.noversionuri'}=~/^\/adm\//) &&
200: ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
201: ($env{'request.noversionuri'}!~
202: m[^/adm/.*/(smppg|bulletinboard|aboutme)($|\?)])
203: )
204: ) {
205: my $escreload=&Apache::lonnet::escape('return:');
206: $reloadlink=(<<ENDRELOAD);
207: <td bgcolor="$tabbg">
208: <a href="/adm/flip?postdata=$escreload" target="_top"><font $face color="$font">$lt{'ret'}</font></a></td>
209: ENDRELOAD
210: }
211: }
212: if (($env{'request.state'} eq 'construct') && ($env{'request.course.id'})) {
213: my $escreload=&Apache::lonnet::escape('return:');
214: $reloadlink=(<<ENDCRELOAD);
215: <td bgcolor="$tabbg">
216: <a href="/adm/flip?postdata=$escreload" target="_top"><font $face color="$font">$lt{'ret'}</font></a></td>
217: ENDCRELOAD
218: }
219: my $reg='';
220: if ($registration) {
221: $reg=&innerregister($forcereg,$target,$titletable);
222: }
223: my $form=&serverform();
224: my $utility=&utilityfunctions();
225: my $logo=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/minilogo.gif");
226:
227: return (<<ENDINLINEMENU);
228: <script type="text/javascript">
229: // BEGIN LON-CAPA Internal
230: // <![CDATA[
231: $utility
232: // ]]>
233: </script>
234: <table bgcolor="$pgbg" width="100%" border="0" cellpadding="1" cellspacing="1">
235: <tr>
236: <td bgcolor="$tabbg">
237: <a href="/adm/menu" target="_top"><font $face color="$font">$lt{'main'}</font></a>
238: </td>
239: $reloadlink
240: $navmaps
241: $docs
242: <td bgcolor="$tabbg">
243: <a href="/adm/remote?action=launch&url=$escurl" target="_top">
244: <font $face color="$font">$lt{'launch'}</font></a></td>
245: <td bgcolor="$tabbg">
246: <a href="/adm/roles" target="_top"><font $face color="$font">$lt{'roles'}</font></a>
247: </td>
248: <td bgcolor="$tabbg">
249: <a href="/adm/logout" target="_top"><font $face color="$font">$lt{'exit'}</font></a>
250: </td>
251: <td bgcolor="$tabbg">
252: <img align="right" src="$logo" alt="Logo" />
253: <b>LON-CAPA</b></td>
254: $form
255: </tr>
256: </table>
257: <script type="text/javascript">
258: // END LON-CAPA Internal
259: </script>
260: $reg
261: ENDINLINEMENU
262: } else {
263: return '';
264: }
265: }
266:
267: # ====================================== This gets called in the header section
268:
269: sub registerurl {
270: my $forcereg=shift;
271: my $target = shift;
272: my $result = '';
273: if ($env{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
274: my $force_title='';
275: if ($env{'request.state'} eq 'construct') {
276: $force_title=&Apache::lonxml::display_title();
277: }
278: if ($target eq 'edit') {
279: $result .="<script type=\"text/javascript\">\n".
280: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
281: &Apache::loncommon::browser_and_searcher_javascript().
282: "\n</script>\n";
283: }
284: if (($env{'browser.interface'} eq 'textual') ||
285: ($env{'environment.remote'} eq 'off') ||
286: ((($env{'request.publicaccess'}) ||
287: (!&Apache::lonnet::is_on_map(
288: &Apache::lonnet::unescape($env{'request.noversionuri'})))) &&
289: (!$forcereg))) {
290: return $result.
291: '<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>'.$force_title;
292: }
293: # Graphical display after login only
294: if ($Apache::lonxml::registered && !$forcereg) { return ''; }
295: if ($target ne 'edit') {
296: $result.=&innerregister($forcereg,$target);
297: }
298: return $result.$force_title;
299: }
300:
301: # =========== This gets called in order to register a URL, both with the Remote
302: # =========== and in the body of the document
303:
304: sub innerregister {
305: my $forcereg=shift;
306: my $target = shift;
307: my $titletable = shift;
308: my $result = '';
309: my ($uname,$thisdisfn);
310: my $const_space = ($env{'request.state'} eq 'construct');
311: my $is_const_dir = 0;
312:
313: if ($env{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
314:
315: $Apache::lonxml::registered=1;
316:
317: my $textinter=($env{'browser.interface'} eq 'textual');
318: my $noremote=($env{'environment.remote'} eq 'off');
319:
320: my $textual=($textinter || $noremote);
321:
322: @inlineremote=();
323: undef @inlineremote;
324:
325: my $reopen=&Apache::lonmenu::reopenmenu();
326:
327: my $newmail='';
328: if ($noremote) {
329: $newmail='<table bgcolor="'.$pgbg.'" border="0" cellspacing="1" cellpadding="1" width="100%"><tr><td bgcolor="'.$tabbg.'"><font face="Arial,Helvetica,sans-serif">';
330: }
331: if (($textual) && ($env{'request.symb'}) && ($env{'request.course.id'})) {
332: my ($mapurl,$rid,$resurl)=
333: &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
334: $newmail.=$env{'course.'.$env{'request.course.id'}.'.description'};
335: my $maptitle=&Apache::lonnet::gettitle($mapurl);
336: my $restitle=&Apache::lonnet::gettitle(&Apache::lonnet::symbread());
337: if ($maptitle && $maptitle ne 'default.sequence') {
338: $newmail.=', '.$maptitle;
339: }
340: if ($restitle) {
341: $newmail.=': '.$restitle;
342: }
343: $newmail.=' ';
344: }
345: if (&Apache::lonmsg::newmail()) {
346: $newmail=($textual?
347: '<b><a href="/adm/communicate" target="_top">You have new messages</a></b><br />':
348: 'swmenu.setstatus("you have","messages");');
349: }
350: if ($env{'request.state'} eq 'construct') {
351: $newmail = $titletable;
352: } else {
353: if ($noremote) {
354: $newmail.='</font></td></tr></table>';
355: }
356: }
357: my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
358: 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 />':'');
359: my $tableend=($noremote?'</table></font>':'').($textinter?'<a name="content" />':'');
360: # =============================================================================
361: # ============================ This is for URLs that actually can be registered
362: if (($env{'request.noversionuri'}!~m|^/(res/)*adm/|) || ($forcereg)) {
363: # -- This applies to homework problems for users with grading privileges
364: my $crs='/'.$env{'request.course.id'};
365: if ($env{'request.course.sec'}) {
366: $crs.='_'.$env{'request.course.sec'};
367: }
368: $crs=~s/\_/\//g;
369:
370: my $hwkadd='';
371: if ($env{'request.symb'} ne '' &&
372: $env{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
373: if (&Apache::lonnet::allowed('mgr',$crs)) {
374: $hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_3]',
375: "gocmd('/adm/grades','gradingmenu')",
376: 'Modify user grades for this assessment resource');
377: } elsif (&Apache::lonnet::allowed('vgr',$crs)) {
378: $hwkadd.=&switch('','',7,2,'subm.gif','view sub-[_1]','missions[_1]',
379: "gocmd('/adm/grades','submission')",
380: 'View user submissions for this assessment resource');
381: }
382: }
383: if ($env{'request.symb'} ne '' &&
384: &Apache::lonnet::allowed('opa',$crs)) {
385: $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
386: "gocmd('/adm/parmset','set')",
387: 'Modify deadlines, etc, for this resource');
388: }
389: # -- End Homework
390: ###
391: ### Determine whether or not to display the 'cstr' button for this
392: ### resource
393: ###
394: my $editbutton = '';
395: if ($env{'user.author'}) {
396: if ($env{'request.role'}=~/^(ca|au)/) {
397: # Set defaults for authors
398: my ($top,$bottom) = ('con-','struct');
399: my $action = "go('/priv/".$env{'user.name'}."');";
400: my $cadom = $env{'request.role.domain'};
401: my $caname = $env{'user.name'};
402: my $desc = "Enter my resource construction space";
403: # Set defaults for co-authors
404: if ($env{'request.role'} =~ /^ca/) {
405: ($cadom,$caname)=($env{'request.role'}=~/(\w+)\/(\w+)$/);
406: ($top,$bottom) = ('co con-','struct');
407: $action = "go('/priv/".$caname."');";
408: $desc = "Enter construction space as co-author";
409: }
410: # Check that we are on the correct machine
411: my $home = &Apache::lonnet::homeserver($caname,$cadom);
412: my $allowed=0;
413: my @ids=&Apache::lonnet::current_machine_ids();
414: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
415: if (!$allowed) {
416: $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
417: }
418: }
419: ##
420: ## Determine if user can edit url.
421: ##
422: my $cfile='';
423: my $cfuname='';
424: my $cfudom='';
425: if ($env{'request.filename'}) {
426: my $file=&Apache::lonnet::declutter($env{'request.filename'});
427: $file=~s/^(\w+)\/(\w+)/\/priv\/$2/;
428: # Check that the user has permission to edit this resource
429: ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
430: if (defined($cfudom)) {
431: my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
432: my $allowed=0;
433: my @ids=&Apache::lonnet::current_machine_ids();
434: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
435: if ($allowed) {
436: $cfile=$file;
437: }
438: }
439: }
440: # Finally, turn the button on or off
441: if ($cfile && !$const_space) {
442: $editbutton=&switch
443: ('','',6,1,'cstr.gif','edit[_1]','resource[_2]',
444: "go('".$cfile."');","Edit this resource");
445: } elsif ($editbutton eq '') {
446: $editbutton=&switch('','',6,1,'port.gif',
447: 'port-[_1]','folio[_1]',
448: "go('/adm/portfolio');",
449: "Enter my portfolio space");
450: }
451: }
452: ###
453: ###
454: # Prepare the rest of the buttons
455: my $menuitems;
456: if ($const_space) {
457: my ($uname,$thisdisfn) =
458: ($env{'request.filename'}=~m|^/home/([^/]+)/public_html/(.*)|);
459: my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
460: if ($currdir =~ m-/$-) {
461: $is_const_dir = 1;
462: } else {
463: $currdir =~ s#[^/]+$##;
464: $menuitems=(<<ENDMENUITEMS);
465: s&6&1&list.gif&list[_1]&dir[_1]&golist('$currdir')&List current directory
466: s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$thisdisfn')&Retrieve old version
467: s&6&3&pub.gif&publish[_1]&resource[_1]&gocstr('/adm/publish','/~$uname/$thisdisfn')&Publish this resource
468: s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$thisdisfn')&Delete this resource
469: s&7&2&prt.gif&prepare[_1]&printout[_1]&gocstr('/adm/printout','/~$uname/$thisdisfn')&Prepare a printable document
470: ENDMENUITEMS
471: }
472: } elsif (defined($env{'request.course.id'}) &&
473: $env{'request.symb'} ne '') {
474: $menuitems=(<<ENDMENUITEMS);
475: c&3&1
476: s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1
477: s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&3
478: c&6&3
479: c&8&1
480: c&8&2
481: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
482: s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&2
483: s&9&3&anot.gif&anno-[_1]&tations[_1]&annotate()&Make notes and annotations about this resource&2
484: ENDMENUITEMS
485: unless ($env{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
486: $menuitems.=(<<ENDREALRES);
487: s&6&3&catalog.gif&catalog[_1]&info[_1]&catalog_info()&Show catalog information
488: s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
489: 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
490: ENDREALRES
491: }
492: }
493: my $buttons='';
494: foreach (split(/\n/,$menuitems)) {
495: my ($command,@rest)=split(/\&/,$_);
496: if ($command eq 's') {
497: $buttons.=&switch('','',@rest);
498: } else {
499: $buttons.=&clear(@rest);
500: }
501: }
502:
503: if ($textual) {
504: my $addremote=0;
505: foreach (@inlineremote) { if ($_ ne '') { $addremote=1; } }
506: my $inlinebuttons='';
507: if ($addremote) {
508: # Registered, textual output
509:
510: if ($env{'browser.interface'} eq 'textual') {
511: $inlinebuttons=
512: join('',map { (defined($_)?$_:'') } @inlineremote);
513: } else {
514: $inlinebuttons=(<<ENDINLINE);
515: <tr><td>$inlineremote[21]</td><td> </td><td>$inlineremote[23]</td></tr>
516: <tr><td>$inlineremote[61]</td><td>$inlineremote[62]</td><td>$inlineremote[63]</td></tr>
517: <tr><td>$inlineremote[71]</td><td>$inlineremote[72]</td><td>$inlineremote[73]</td></tr>
518: <tr><td>$inlineremote[81]</td><td>$inlineremote[82]</td><td>$inlineremote[83]</td></tr>
519: <tr><td>$inlineremote[91]</td><td>$inlineremote[92]</td><td>$inlineremote[93]</td></tr>
520: ENDINLINE
521: }
522: }
523: $result =(<<ENDREGTEXT);
524: <script type="text/javascript">
525: // BEGIN LON-CAPA Internal
526: </script>
527: $timesync
528: $newmail
529: $tablestart
530: $inlinebuttons
531: $tableend
532: <script type="text/javascript">
533: // END LON-CAPA Internal
534: </script>
535:
536: ENDREGTEXT
537: # Registered, graphical output
538: } else {
539: my $requri=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
540: $requri=&Apache::lonenc::check_encrypt(&Apache::lonnet::unescape($requri));
541: my $cursymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
542: my $navstatus=&get_nav_status();
543: my $clearcstr;
544:
545: if ($env{'user.adv'}) { $clearcstr='clearbut(6,1)'; }
546: $result = (<<ENDREGTHIS);
547:
548: <script type="text/javascript">
549: // BEGIN LON-CAPA Internal
550: var swmenu=null;
551:
552: function LONCAPAreg() {
553: swmenu=$reopen;
554: swmenu.clearTimeout(swmenu.menucltim);
555: $timesync
556: $newmail
557: $buttons
558: swmenu.currentURL="$requri";
559: swmenu.reloadURL=swmenu.currentURL+window.location.search;
560: swmenu.currentSymb="$cursymb";
561: swmenu.reloadSymb="$cursymb";
562: swmenu.currentStale=0;
563: $navstatus
564: $hwkadd
565: $editbutton
566: }
567:
568: function LONCAPAstale() {
569: swmenu=$reopen
570: swmenu.currentStale=1;
571: if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
572: swmenu.switchbutton
573: (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
574: }
575: swmenu.clearbut(7,2);
576: swmenu.clearbut(7,3);
577: swmenu.menucltim=swmenu.setTimeout(
578: 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
579: 'clearbut(9,1);clearbut(9,3);clearbut(6,3);$clearcstr',
580: 2000);
581: }
582:
583: // END LON-CAPA Internal
584: </script>
585: ENDREGTHIS
586: }
587: # =============================================================================
588: } else {
589: # ========================================== This can or will not be registered
590: if ($textual) {
591: # Not registered, textual
592: $result= (<<ENDDONOTREGTEXT);
593: ENDDONOTREGTEXT
594: } else {
595: # Not registered, graphical
596: $result = (<<ENDDONOTREGTHIS);
597:
598: <script type="text/javascript">
599: // BEGIN LON-CAPA Internal
600: var swmenu=null;
601:
602: function LONCAPAreg() {
603: swmenu=$reopen
604: $timesync
605: swmenu.currentStale=1;
606: swmenu.clearbut(2,1);
607: swmenu.clearbut(2,3);
608: swmenu.clearbut(8,1);
609: swmenu.clearbut(8,2);
610: swmenu.clearbut(8,3);
611: if (swmenu.currentURL) {
612: swmenu.switchbutton
613: (3,1,'reload.gif','return','location','go(currentURL)');
614: } else {
615: swmenu.clearbut(3,1);
616: }
617: }
618:
619: function LONCAPAstale() {
620: }
621:
622: // END LON-CAPA Internal
623: </script>
624: ENDDONOTREGTHIS
625: }
626: # =============================================================================
627: }
628: return $result;
629: }
630:
631: sub loadevents() {
632: if ($env{'request.state'} eq 'construct' ||
633: $env{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
634: return 'LONCAPAreg();';
635: }
636:
637: sub unloadevents() {
638: if ($env{'request.state'} eq 'construct' ||
639: $env{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
640: return 'LONCAPAstale();';
641: }
642:
643: # ============================================================= Start up remote
644:
645: sub startupremote {
646: my ($lowerurl)=@_;
647: if (($env{'browser.interface'} eq 'textual') ||
648: ($env{'environment.remote'} eq 'off')) {
649: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
650: }
651: #
652: # The Remote actually gets launched!
653: #
654: my $configmenu=&rawconfig();
655: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
656: my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
657: return(<<ENDREMOTESTARTUP);
658: <script type="text/javascript">
659: var timestart;
660: function wheelswitch() {
661: if (typeof(document.wheel) != 'undefined') {
662: if (typeof(document.wheel.spin) != 'undefined') {
663: var date=new Date();
664: var waited=Math.round(30-((date.getTime()-timestart)/1000));
665: document.wheel.spin.value=$message;
666: }
667: }
668: if (window.status=='|') {
669: window.status='/';
670: } else {
671: if (window.status=='/') {
672: window.status='-';
673: } else {
674: if (window.status=='-') {
675: window.status='\\\\';
676: } else {
677: if (window.status=='\\\\') { window.status='|'; }
678: }
679: }
680: }
681: }
682:
683: // ---------------------------------------------------------- The wait function
684: var canceltim;
685: function wait() {
686: if ((menuloaded==1) || (tim==1)) {
687: window.status='Done.';
688: if (tim==0) {
689: clearTimeout(canceltim);
690: $configmenu
691: window.location='$lowerurl';
692: } else {
693: window.location='/adm/remote?action=collapse&url=$esclowerurl';
694: }
695: } else {
696: wheelswitch();
697: setTimeout('wait();',200);
698: }
699: }
700:
701: function main() {
702: canceltim=setTimeout('tim=1;',30000);
703: window.status='-';
704: var date=new Date();
705: timestart=date.getTime();
706: wait();
707: }
708:
709: </script>
710: ENDREMOTESTARTUP
711: }
712:
713: sub setflags() {
714: return(<<ENDSETFLAGS);
715: <script type="text/javascript">
716: menuloaded=0;
717: tim=0;
718: </script>
719: ENDSETFLAGS
720: }
721:
722: sub maincall() {
723: if (($env{'browser.interface'} eq 'textual') ||
724: ($env{'environment.remote'} eq 'off')) { return ''; }
725: return(<<ENDMAINCALL);
726: <script type="text/javascript">
727: main();
728: </script>
729: ENDMAINCALL
730: }
731:
732: sub load_remote_msg {
733: my ($lowerurl)=@_;
734:
735: if (($env{'browser.interface'} eq 'textual') ||
736: ($env{'environment.remote'} eq 'off')) { return ''; }
737:
738: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
739: my $link=&mt('<a href="[_1]">Continue</a> on in Inline Menu mode',
740: "/adm/remote?action=collapse?url=$esclowerurl");
741: return(<<ENDREMOTEFORM);
742: <p>
743: <form name="wheel">
744: <input name="spin" type="text" size="60" />
745: </form>
746: </p>
747: <p>$link</p>
748: ENDREMOTEFORM
749: }
750: # ================================================================= Reopen menu
751:
752: sub reopenmenu {
753: if (($env{'browser.interface'} eq 'textual') ||
754: ($env{'environment.remote'} eq 'off')) { return ''; }
755: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
756: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
757: return('window.open('.$nothing.',"'.$menuname.'","",false);');
758: }
759:
760: # =============================================================== Open the menu
761:
762: sub open {
763: my $returnval='';
764: if (($env{'browser.interface'} eq 'textual') ||
765: ($env{'environment.remote'} eq 'off')) {
766: return '<script type="text/javascript">self.name="loncapaclient";</script>';
767: }
768: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
769: unless (shift eq 'unix') {
770: # resizing does not work on linux because of virtual desktop sizes
771: $returnval.=(<<ENDRESIZE);
772: if (window.screen) {
773: self.resizeTo(screen.availWidth-215,screen.availHeight-55);
774: self.moveTo(190,15);
775: }
776: ENDRESIZE
777: }
778: $returnval.=(<<ENDOPEN);
779: window.status='Opening LON-CAPA Remote Control';
780: var menu=window.open("/res/adm/pages/menu.html","$menuname",
781: "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
782: self.name='loncapaclient';
783: ENDOPEN
784: return '<script type="text/javascript">'.$returnval.'</script>';
785: }
786:
787:
788: # ================================================================== Raw Config
789:
790: sub clear {
791: my ($row,$col)=@_;
792: unless (($env{'browser.interface'} eq 'textual') ||
793: ($env{'environment.remote'} eq 'off')) {
794: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
795: } else {
796: $inlineremote[10*$row+$col]='';
797: return '';
798: }
799: }
800:
801: # ============================================ Switch a button or create a link
802: # Switch acts on the javascript that is executed when a button is clicked.
803: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
804:
805: sub switch {
806: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$nobreak)=@_;
807: $act=~s/\$uname/$uname/g;
808: $act=~s/\$udom/$udom/g;
809: $top=&mt($top);
810: $bot=&mt($bot);
811: $desc=&mt($desc);
812: $img=&mt($img);
813: unless (($env{'browser.interface'} eq 'textual') ||
814: ($env{'environment.remote'} eq 'off')) {
815: # Remote
816: return "\n".
817: qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
818: } elsif ($env{'browser.interface'} eq 'textual') {
819: # Accessibility
820: if ($nobreak==2) { return ''; }
821: my $text=$top.' '.$bot;
822: $text=~s/\s*\-\s*//gs;
823: if ($nobreak) {
824: $inlineremote[10*$row+$col]=
825: '<a href="javascript:'.$act.';">'.$text.'</a>';
826: } else {
827: $inlineremote[10*$row+$col]="\n<br />".
828: $desc.' <a href="javascript:'.$act.';">'.$text.'</a>';
829: }
830: } else {
831: # Inline Remote
832: if ($nobreak==2) { return ''; }
833: my $text=$top.' '.$bot;
834: $text=~s/\s*\-\s*//gs;
835:
836: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
837: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
838: my $pic=
839: '<img border="0" alt="'.$text.'" src="http://'.$ENV{'HTTP_HOST'}.
840: ':'.$lonhttpdPort.'/res/adm/pages/'.$img.'" align="'.
841: ($nobreak==3?'right':'left').'" />';
842: if (($env{'browser.interface'} eq 'textual') || ($env{'browser.interface'} eq 'faketextual')) {
843: # Accessibility
844: if ($nobreak==3) {
845: $inlineremote[10*$row+$col]="\n".
846: '<td width="40%" align="right"><font color="'.$font.'" size="+1">'.$text.
847: '</font></td><td width="10%" align="right" bgcolor="'.$tabbg.'">'.
848: '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
849: } elsif ($nobreak) {
850: $inlineremote[10*$row+$col]="\n<tr>".
851: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
852: '<a href="javascript:'.$act.';">'.$pic.
853: '</a></td><td width="40%" align="left"><font color="'.$font.'" size="+1">'.$text.'</font></td>';
854: } else {
855: $inlineremote[10*$row+$col]="\n<tr>".
856: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
857: '<a href="javascript:'.$act.';">'.$pic.
858: '</a></td><td colspan="3"><font color="'.$font.'">'.$desc.
859: '</font></td></tr>';
860: }
861: } else {
862: # Inline Menu
863: $inlineremote[10*$row+$col]=
864: '<a href="javascript:'.$act.';">'.$pic.
865: '</a><font color="'.$font.'" size="2">'.$desc.
866: '</font>';
867: }
868: }
869: return '';
870: }
871:
872: sub secondlevel {
873: my $output='';
874: my
875: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
876: if ($prt eq 'any') {
877: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
878: } elsif ($prt=~/^r(\w+)/) {
879: if ($rol eq $1) {
880: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
881: }
882: }
883: return $output;
884: }
885:
886: sub openmenu {
887: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
888: if (($env{'browser.interface'} eq 'textual') ||
889: ($env{'environment.remote'} eq 'off')) { return ''; }
890: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
891: return "window.open(".$nothing.",'".$menuname."');";
892: }
893:
894: sub inlinemenu {
895: @inlineremote=();
896: undef @inlineremote;
897: &rawconfig(1);
898: return join('',map { (defined($_)?$_:'') } @inlineremote);
899: }
900:
901: sub rawconfig {
902: my $textualoverride=shift;
903: my $output='';
904: unless (($env{'browser.interface'} eq 'textual') ||
905: ($env{'environment.remote'} eq 'off')) {
906: $output.=
907: "window.status='Opening Remote Control';var swmenu=".&openmenu().
908: "\nwindow.status='Configuring Remote Control ';";
909: } else {
910: unless ($textualoverride) { return ''; }
911: }
912: my $uname=$env{'user.name'};
913: my $udom=$env{'user.domain'};
914: my $adv=$env{'user.adv'};
915: my $author=$env{'user.author'};
916: my $crs='';
917: if ($env{'request.course.id'}) {
918: $crs='/'.$env{'request.course.id'};
919: if ($env{'request.course.sec'}) {
920: $crs.='_'.$env{'request.course.sec'};
921: }
922: $crs=~s/\_/\//g;
923: }
924: my $pub=($env{'request.state'} eq 'published');
925: my $con=($env{'request.state'} eq 'construct');
926: my $rol=$env{'request.role'};
927: my $requested_domain = $env{'request.role.domain'};
928: foreach (@desklines) {
929: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
930: $prt=~s/\$uname/$uname/g;
931: $prt=~s/\$udom/$udom/g;
932: $prt=~s/\$crs/$crs/g;
933: $prt=~s/\$requested_domain/$requested_domain/g;
934: if ($pro eq 'clear') {
935: $output.=&clear($row,$col);
936: } elsif ($pro eq 'any') {
937: $output.=&secondlevel(
938: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
939: } elsif ($pro eq 'smp') {
940: unless ($adv) {
941: $output.=&secondlevel(
942: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
943: }
944: } elsif ($pro eq 'adv') {
945: if ($adv) {
946: $output.=&secondlevel(
947: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
948: }
949: } elsif (($pro=~/^p(\w+)/) && ($prt)) {
950: if (&Apache::lonnet::allowed($1,$prt)) {
951: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
952: }
953: } elsif ($pro eq 'course') {
954: if ($env{'request.course.fn'}) {
955: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
956: }
957: } elsif ($pro =~ /^courseenv_(.*)$/) {
958: my $key = $1;
959: if ($env{'course.'.$env{'request.course.id'}.'.'.$key}) {
960: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
961: }
962: } elsif ($pro =~ /^course_(.*)$/) {
963: # Check for permissions inside of a course
964: if (($env{'request.course.id'}) &&
965: (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
966: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
967: )) {
968: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
969: }
970: } elsif ($pro eq 'author') {
971: if ($author) {
972: if ((($prt eq 'rca') && ($env{'request.role'}=~/^ca/)) ||
973: (($prt eq 'rau') && ($env{'request.role'}=~/^au/))) {
974: # Check that we are on the correct machine
975: my $cadom=$requested_domain;
976: my $caname=$env{'user.name'};
977: if ($prt eq 'rca') {
978: ($cadom,$caname)=
979: ($env{'request.role'}=~/(\w+)\/(\w+)$/);
980: }
981: $act =~ s/\$caname/$caname/g;
982: my $home = &Apache::lonnet::homeserver($caname,$cadom);
983: my $allowed=0;
984: my @ids=&Apache::lonnet::current_machine_ids();
985: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
986: if ($allowed) {
987: $output.=switch($caname,$cadom,
988: $row,$col,$img,$top,$bot,$act,$desc);
989: }
990: }
991: }
992: }
993: }
994: unless (($env{'browser.interface'} eq 'textual') ||
995: ($env{'environment.remote'} eq 'off')) {
996: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
997: if (&Apache::lonmsg::newmail()) {
998: $output.='swmenu.setstatus("you have","messages");';
999: }
1000: }
1001:
1002: return $output;
1003: }
1004:
1005: # ======================================================================= Close
1006:
1007: sub close {
1008: if (($env{'browser.interface'} eq 'textual') ||
1009: ($env{'environment.remote'} eq 'off')) { return ''; }
1010: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
1011: return(<<ENDCLOSE);
1012: <script type="text/javascript">
1013: window.status='Accessing Remote Control';
1014: menu=window.open("/adm/rat/empty.html","$menuname",
1015: "height=350,width=150,scrollbars=no,menubar=no");
1016: window.status='Disabling Remote Control';
1017: menu.active=0;
1018: menu.autologout=0;
1019: window.status='Closing Remote Control';
1020: menu.close();
1021: window.status='Done.';
1022: </script>
1023: ENDCLOSE
1024: }
1025:
1026: # ====================================================================== Footer
1027:
1028: sub footer {
1029:
1030: }
1031:
1032: sub nav_control_js {
1033: my $nav=($env{'environment.remotenavmap'} eq 'on');
1034: return (<<NAVCONTROL);
1035: var w_loncapanav_flag="$nav";
1036:
1037:
1038: function gonav(url) {
1039: if (w_loncapanav_flag != 1) {
1040: gopost(url,'');
1041: } else {
1042: navwindow=window.open(url,
1043: "loncapanav","height=600,width=400,scrollbars=1");
1044: }
1045: }
1046: NAVCONTROL
1047: }
1048:
1049: sub utilityfunctions {
1050: my $caller = shift;
1051: unless (($env{'browser.interface'} eq 'textual') ||
1052: ($env{'environment.remote'} eq 'off') || ($caller eq '/adm/menu')) { return ''; }
1053: my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
1054: $currenturl=&Apache::lonenc::check_encrypt(&Apache::lonnet::unescape($currenturl));
1055:
1056: my $currentsymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
1057: my $nav_control=&nav_control_js();
1058: return (<<ENDUTILITY)
1059:
1060: var currentURL="$currenturl";
1061: var reloadURL="$currenturl";
1062: var currentSymb="$currentsymb";
1063:
1064: $nav_control
1065:
1066: function go(url) {
1067: if (url!='' && url!= null) {
1068: currentURL = null;
1069: currentSymb= null;
1070: window.location.href=url;
1071: }
1072: }
1073:
1074: function gopost(url,postdata) {
1075: if (url!='') {
1076: this.document.server.action=url;
1077: this.document.server.postdata.value=postdata;
1078: this.document.server.command.value='';
1079: this.document.server.url.value='';
1080: this.document.server.symb.value='';
1081: this.document.server.submit();
1082: }
1083: }
1084:
1085: function gocmd(url,cmd) {
1086: if (url!='') {
1087: this.document.server.action=url;
1088: this.document.server.postdata.value='';
1089: this.document.server.command.value=cmd;
1090: this.document.server.url.value=currentURL;
1091: this.document.server.symb.value=currentSymb;
1092: this.document.server.submit();
1093: }
1094: }
1095:
1096: function gocstr(url,filename) {
1097: if (url == '/adm/cfile?action=delete') {
1098: this.document.cstrdelete.filename.value = filename
1099: this.document.cstrdelete.submit();
1100: return;
1101: }
1102: if (url == '/adm/printout') {
1103: this.document.cstrprint.postdata.value = filename
1104: this.document.cstrprint.curseed.value = 0;
1105: this.document.cstrprint.problemtype.value = 0;
1106: if (this.document.lonhomework) {
1107: if ((this.document.lonhomework.rndseed) && (this.document.lonhomework.rndseed.value != null) && (this.document.lonhomework.rndseed.value != '')) {
1108: this.document.cstrprint.curseed.value = this.document.lonhomework.rndseed.value
1109: }
1110: if (this.document.lonhomework.problemtype) {
1111: for (var i=0; i<this.document.lonhomework.problemtype.options.length; i++) {
1112: if (this.document.lonhomework.problemtype.options[i].selected) {
1113: if (this.document.lonhomework.problemtype.options[i].value != null && this.document.lonhomework.problemtype.options[i].value != '') {
1114: this.document.cstrprint.problemtype.value = this.document.lonhomework.problemtype.options[i].value
1115: }
1116: }
1117: }
1118: }
1119: }
1120: this.document.cstrprint.submit();
1121: return;
1122: }
1123: if (url !='') {
1124: this.document.constspace.filename.value = filename;
1125: this.document.constspace.action = url;
1126: this.document.constspace.submit();
1127: }
1128: }
1129:
1130: function golist(url) {
1131: if (url!='' && url!= null) {
1132: currentURL = null;
1133: currentSymb= null;
1134: top.location.href=url;
1135: }
1136: }
1137:
1138:
1139:
1140: function catalog_info() {
1141: loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
1142: }
1143:
1144: function chat_win() {
1145: lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
1146: }
1147: ENDUTILITY
1148: }
1149:
1150: sub serverform {
1151: return(<<ENDSERVERFORM);
1152: <form name="server" action="/adm/logout" method="post" target="_top">
1153: <input type="hidden" name="postdata" value="none" />
1154: <input type="hidden" name="command" value="none" />
1155: <input type="hidden" name="url" value="none" />
1156: <input type="hidden" name="symb" value="none" />
1157: </form>
1158: ENDSERVERFORM
1159: }
1160:
1161: sub constspaceform {
1162: return(<<ENDCONSTSPACEFORM);
1163: <form name="constspace" action="/adm/logout" method="post" target="_top">
1164: <input type="hidden" name="filename" value="" />
1165: </form>
1166: <form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
1167: <input type="hidden" name="action" value="delete" />
1168: <input type="hidden" name="filename" value="" />
1169: </form>
1170: <form name="cstrprint" action="/adm/printout" target="_parent" method="post">
1171: <input type="hidden" name="postdata" value="" />
1172: <input type="hidden" name="curseed" value="" />
1173: <input type="hidden" name="problemtype" value="" />
1174: </form>
1175:
1176: ENDCONSTSPACEFORM
1177: }
1178:
1179:
1180: sub get_nav_status {
1181: my $navstatus="swmenu.w_loncapanav_flag=";
1182: if ($env{'environment.remotenavmap'} eq 'on') {
1183: $navstatus.="1";
1184: } else {
1185: $navstatus.="-1";
1186: }
1187: return $navstatus;
1188: }
1189:
1190: # ================================================ Handler when called directly
1191:
1192:
1193: sub handler {
1194: my $r = shift;
1195: &Apache::loncommon::no_cache($r);
1196: &Apache::loncommon::content_type($r,'text/html');
1197: $r->send_http_header;
1198: return OK if $r->header_only;
1199:
1200: my $form;
1201: if ($env{'environment.remote'} ne 'off' &&
1202: $env{'browser.interface'} ne 'textual') {
1203: $form=&serverform();
1204: }
1205: my $bodytag=&Apache::loncommon::bodytag('Main Menu');
1206: my $function='student';
1207: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
1208: $function='coordinator';
1209: }
1210: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
1211: $function='admin';
1212: }
1213: if (($env{'request.role'}=~/^(au|ca)/) ||
1214: ($env{'request.noversionuri'}=~/^(\/priv|\~)/)) {
1215: $function='author';
1216: }
1217: my $domain=&Apache::loncommon::determinedomain();
1218: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
1219: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
1220: $font=&Apache::loncommon::designparm($function.'.font',$domain);
1221: my $script_tag;
1222: if ($env{'environment.remote'} ne 'off') {
1223: my $utility=&utilityfunctions('/adm/menu');
1224: $script_tag=(<<ENDSCRIPT);
1225: <script type="text/javascript">
1226: $utility
1227: </script>
1228: ENDSCRIPT
1229: }
1230: # ---- Print the screen, pretend to be in text mode to generate text-based menu
1231: unless ($env{'browser.interface'} eq 'textual') {
1232: $env{'browser.interface'}='faketextual';
1233: $env{'environment.remote'}='off';
1234: }
1235: my $html=&Apache::lonxml::xmlbegin();
1236: $r->print(<<ENDHEADER);
1237: $html
1238: <head>
1239: <title>LON-CAPA Main Menu</title>
1240: $script_tag
1241: </head>
1242: $bodytag
1243: ENDHEADER
1244: $r->print('<table>'.&inlinemenu().'</table>'.$form);
1245: $r->print('</body></html>');
1246: return OK;
1247: }
1248:
1249: # ================================================================ Main Program
1250:
1251: BEGIN {
1252: if (! defined($readdesk)) {
1253: {
1254: my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
1255: if ( CORE::open( my $config,"<$tabfile") ) {
1256: while (my $configline=<$config>) {
1257: $configline=(split(/\#/,$configline))[0];
1258: $configline=~s/^\s+//;
1259: chomp($configline);
1260: if ($configline) {
1261: $desklines[$#desklines+1]=$configline;
1262: }
1263: }
1264: CORE::close($config);
1265: }
1266: }
1267: $readdesk='done';
1268: }
1269: }
1270:
1271: 1;
1272: __END__
1273:
1274:
1275:
1276:
1277:
1278:
1279:
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