File:
[LON-CAPA] /
loncom /
interface /
lonmenu.pm
Revision
1.156:
download - view:
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select for diffs
Tue Jul 5 21:30:14 2005 UTC (18 years, 11 months ago) by
albertel
Branches:
MAIN
CVS tags:
HEAD
- BUG#2573 can't do randomlabel/imageresponse/reactionresponse/organicresponse etc as 'public' resources,
- public users on first access get a Cookie and a skeleton of a session environment now
1: # The LearningOnline Network with CAPA
2: # Routines to control the menu
3: #
4: # $Id: lonmenu.pm,v 1.156 2005/07/05 21:30:14 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::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:
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: if ($env{'request.state'} eq 'construct') {
88: if (($env{'request.noversionuri'} eq '') || (!defined($env{'request.noversionuri'}))) {
89: my $returnurl = $env{'request.filename'};
90: $returnurl =~ s:^/home/([^/]+)/public_html/(.*)$:/priv/$1/$2:;
91: $escurl = &Apache::lonnet::escape($returnurl);
92: }
93: }
94: if ($env{'browser.interface'} eq 'textual') {
95: # Textual display only
96: my %lt=&initlittle();
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 color="$font">$lt{'ret'}</font></a>
110: ENDRELOAD
111: }
112: if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
113: $docs=(<<ENDDOCS);
114: <a href="/adm/coursedocs" target="_top"><font color="$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 $docs
127: <a href="/adm/roles" target="_top"><font color="$font">$lt{'roles'}</font></a>
128: <a href="/adm/logout" target="_top"><font color="$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="$logo" />
171: <b>LON-CAPA</b>
172: </td>
173: </tr>
174: </table>
175: </font>
176: ENDINLINEMENU
177: }
178: # Do we have a NAV link?
179: if ($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="$link"><font color="$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"><font 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=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a></td>
209: ENDRELOAD
210: }
211: }
212: my $reg='';
213: if ($registration) {
214: $reg=&innerregister($forcereg,$target,$titletable);
215: }
216: my $form=&serverform();
217: my $utility=&utilityfunctions();
218: my $logo=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/minilogo.gif");
219: return (<<ENDINLINEMENU);
220: <script type="text/javascript">
221: // BEGIN LON-CAPA Internal
222: // <![CDATA[
223: $utility
224: // ]]>
225: </script>
226: <font face="Arial,Helvetica,sans-serif"><table bgcolor="$pgbg" width="100%" border="0" cellpadding="1" cellspacing="1">
227: <tr>
228: <td bgcolor="$tabbg">
229: <a href="/adm/menu" target="_top"><font color="$font">$lt{'main'}</font></a>
230: </td>
231: $reloadlink
232: $navmaps
233: $docs
234: <td bgcolor="$tabbg">
235: <a href="/adm/remote?action=launch&url=$escurl" target="_top">
236: <font color="$font">$lt{'launch'}</font></a></td>
237: <td bgcolor="$tabbg">
238: <a href="/adm/roles" target="_top"><font color="$font">$lt{'roles'}</font></a>
239: </td>
240: <td bgcolor="$tabbg">
241: <a href="/adm/logout" target="_top"><font color="$font">$lt{'exit'}</font></a>
242: </td>
243: <td bgcolor="$tabbg">
244: <img align="right" src="$logo" />
245: <b>LON-CAPA</b></td>
246: $form
247: </tr>
248: </table>
249: </font>
250: <script type="text/javascript">
251: // END LON-CAPA Internal
252: </script>
253: $reg
254: ENDINLINEMENU
255: } else {
256: return '';
257: }
258: }
259:
260: # ====================================== This gets called in the header section
261:
262: sub registerurl {
263: my $forcereg=shift;
264: my $target = shift;
265: my $result = '';
266: if ($env{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
267: my $force_title='';
268: if ($env{'request.state'} eq 'construct') {
269: $force_title=&Apache::lonxml::display_title();
270: }
271: if ($target eq 'edit') {
272: $result .="<script type=\"text/javascript\">\n".
273: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
274: &Apache::loncommon::browser_and_searcher_javascript().
275: "\n</script>\n";
276: }
277: if (($env{'browser.interface'} eq 'textual') ||
278: ($env{'environment.remote'} eq 'off') ||
279: ((($env{'request.publicaccess'}) ||
280: (!&Apache::lonnet::is_on_map(
281: &Apache::lonnet::unescape($env{'request.noversionuri'})))) &&
282: (!$forcereg))) {
283: return $result.
284: '<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>'.$force_title;
285: }
286: # Graphical display after login only
287: if ($Apache::lonxml::registered && !$forcereg) { return ''; }
288: if ($target ne 'edit') {
289: $result.=&innerregister($forcereg,$target);
290: }
291: return $result.$force_title;
292: }
293:
294: # =========== This gets called in order to register a URL, both with the Remote
295: # =========== and in the body of the document
296:
297: sub innerregister {
298: my $forcereg=shift;
299: my $target = shift;
300: my $titletable = shift;
301: my $result = '';
302: my ($uname,$thisdisfn);
303: my $const_space = ($env{'request.state'} eq 'construct');
304: my $is_const_dir = 0;
305:
306: if ($env{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
307:
308: $Apache::lonxml::registered=1;
309:
310: my $textinter=($env{'browser.interface'} eq 'textual');
311: my $noremote=($env{'environment.remote'} eq 'off');
312:
313: my $textual=($textinter || $noremote);
314:
315: @inlineremote=();
316: undef @inlineremote;
317:
318: my $reopen=&Apache::lonmenu::reopenmenu();
319:
320: my $newmail='';
321: if ($noremote) {
322: $newmail='<font face="Arial,Helvetica,sans-serif"><table bgcolor="'.$pgbg.'" border="0" cellspacing="1" cellpadding="1" width="100%"><tr><td bgcolor="'.$tabbg.'">';
323: }
324: if (($textual) && ($env{'request.symb'}) && ($env{'request.course.id'})) {
325: my ($mapurl,$rid,$resurl)=
326: &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
327: $newmail.=$env{'course.'.$env{'request.course.id'}.'.description'};
328: my $maptitle=&Apache::lonnet::gettitle($mapurl);
329: my $restitle=&Apache::lonnet::gettitle(&Apache::lonnet::symbread());
330: if ($maptitle && $maptitle ne 'default.sequence') {
331: $newmail.=', '.$maptitle;
332: }
333: if ($restitle) {
334: $newmail.=': '.$restitle;
335: }
336: $newmail.=' ';
337: }
338: if (&Apache::lonmsg::newmail()) {
339: $newmail=($textual?
340: '<b><a href="/adm/communicate" target="_top">You have new messages</a></b><br />':
341: 'swmenu.setstatus("you have","messages");');
342: }
343: if ($env{'request.state'} eq 'construct') {
344: $newmail = $titletable;
345: } else {
346: if ($noremote) {
347: $newmail.='</td></tr></table></font>';
348: }
349: }
350: my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
351: 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 />':'');
352: my $tableend=($noremote?'</table></font>':'').($textinter?'<a name="content" />':'');
353: # =============================================================================
354: # ============================ This is for URLs that actually can be registered
355: if (($env{'request.noversionuri'}!~m|^/(res/)*adm/|) || ($forcereg)) {
356: # -- This applies to homework problems for users with grading privileges
357: my $crs='/'.$env{'request.course.id'};
358: if ($env{'request.course.sec'}) {
359: $crs.='_'.$env{'request.course.sec'};
360: }
361: $crs=~s/\_/\//g;
362:
363: my $hwkadd='';
364: if ($env{'request.symb'} ne '' &&
365: $env{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
366: if (&Apache::lonnet::allowed('mgr',$crs)) {
367: $hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_3]',
368: "gocmd('/adm/grades','gradingmenu')",
369: 'Modify user grades for this assessment resource');
370: } elsif (&Apache::lonnet::allowed('vgr',$crs)) {
371: $hwkadd.=&switch('','',7,2,'subm.gif','view sub-[_1]','missions[_1]',
372: "gocmd('/adm/grades','submission')",
373: 'View user submissions for this assessment resource');
374: }
375: }
376: if ($env{'request.symb'} ne '' &&
377: &Apache::lonnet::allowed('opa',$crs)) {
378: $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
379: "gocmd('/adm/parmset','set')",
380: 'Modify deadlines, etc, for this resource');
381: }
382: # -- End Homework
383: ###
384: ### Determine whether or not to display the 'cstr' button for this
385: ### resource
386: ###
387: my $editbutton = '';
388: if ($env{'user.author'}) {
389: if ($env{'request.role'}=~/^(ca|au)/) {
390: # Set defaults for authors
391: my ($top,$bottom) = ('con-','struct');
392: my $action = "go('/priv/".$env{'user.name'}."');";
393: my $cadom = $env{'request.role.domain'};
394: my $caname = $env{'user.name'};
395: my $desc = "Enter my resource construction space";
396: # Set defaults for co-authors
397: if ($env{'request.role'} =~ /^ca/) {
398: ($cadom,$caname)=($env{'request.role'}=~/(\w+)\/(\w+)$/);
399: ($top,$bottom) = ('co con-','struct');
400: $action = "go('/priv/".$caname."');";
401: $desc = "Enter construction space as co-author";
402: }
403: # Check that we are on the correct machine
404: my $home = &Apache::lonnet::homeserver($caname,$cadom);
405: my $allowed=0;
406: my @ids=&Apache::lonnet::current_machine_ids();
407: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
408: if (!$allowed) {
409: $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
410: }
411: }
412: ##
413: ## Determine if user can edit url.
414: ##
415: my $cfile='';
416: my $cfuname='';
417: my $cfudom='';
418: if ($env{'request.filename'}) {
419: my $file=&Apache::lonnet::declutter($env{'request.filename'});
420: $file=~s/^(\w+)\/(\w+)/\/priv\/$2/;
421: # Check that the user has permission to edit this resource
422: ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
423: if (defined($cfudom)) {
424: my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
425: my $allowed=0;
426: my @ids=&Apache::lonnet::current_machine_ids();
427: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
428: if ($allowed) {
429: $cfile=$file;
430: }
431: }
432: }
433: # Finally, turn the button on or off
434: if ($cfile && !$const_space) {
435: $editbutton=&switch
436: ('','',6,1,'cstr.gif','edit[_1]','resource[_2]',
437: "go('".$cfile."');","Edit this resource");
438: } elsif ($editbutton eq '') {
439: $editbutton=&switch('','',6,1,'port.gif',
440: 'port-[_1]','folio[_1]',
441: "go('/adm/portfolio');",
442: "Enter my portfolio space");
443: }
444: }
445: ###
446: ###
447: # Prepare the rest of the buttons
448: my $menuitems;
449: if ($const_space) {
450: my ($uname,$thisdisfn) =
451: ($env{'request.filename'}=~m|^/home/([^/]+)/public_html/(.*)|);
452: my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
453: if ($currdir =~ m-/$-) {
454: $is_const_dir = 1;
455: } else {
456: $currdir =~ s#[^/]+$##;
457: $menuitems=(<<ENDMENUITEMS);
458: s&6&1&list.gif&list[_1]&dir[_1]&golist('$currdir')&List current directory
459: s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$thisdisfn')&Retrieve old version
460: s&6&3&pub.gif&publish[_1]&resource[_1]&gocstr('/adm/publish','/~$uname/$thisdisfn')&Publish this resource
461: s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$thisdisfn')&Delete this resource
462: s&7&2&prt.gif&prepare[_1]&printout[_1]&gocstr('/adm/printout','/~$uname/$thisdisfn')&Prepare a printable document
463: ENDMENUITEMS
464: }
465: } elsif (defined($env{'request.course.id'}) &&
466: $env{'request.symb'} ne '') {
467: $menuitems=(<<ENDMENUITEMS);
468: c&3&1
469: s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1
470: s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&3
471: c&6&3
472: c&8&1
473: c&8&2
474: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
475: s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&2
476: s&9&3&anot.gif&anno-[_1]&tations[_1]&annotate()&Make notes and annotations about this resource&2
477: ENDMENUITEMS
478: unless ($env{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
479: $menuitems.=(<<ENDREALRES);
480: s&6&3&catalog.gif&catalog[_1]&info[_1]&catalog_info()&Show catalog information
481: s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
482: 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
483: ENDREALRES
484: }
485: }
486: my $buttons='';
487: foreach (split(/\n/,$menuitems)) {
488: my ($command,@rest)=split(/\&/,$_);
489: if ($command eq 's') {
490: $buttons.=&switch('','',@rest);
491: } else {
492: $buttons.=&clear(@rest);
493: }
494: }
495:
496: if ($textual) {
497: my $addremote=0;
498: foreach (@inlineremote) { if ($_ ne '') { $addremote=1; } }
499: my $inlinebuttons='';
500: if ($addremote) {
501: # Registered, textual output
502:
503: if ($env{'browser.interface'} eq 'textual') {
504: $inlinebuttons=
505: join('',map { (defined($_)?$_:'') } @inlineremote);
506: } else {
507: $inlinebuttons=(<<ENDINLINE);
508: <tr><td>$inlineremote[21]</td><td> </td><td>$inlineremote[23]</td></tr>
509: <tr><td>$inlineremote[61]</td><td>$inlineremote[62]</td><td>$inlineremote[63]</td></tr>
510: <tr><td>$inlineremote[71]</td><td>$inlineremote[72]</td><td>$inlineremote[73]</td></tr>
511: <tr><td>$inlineremote[81]</td><td>$inlineremote[82]</td><td>$inlineremote[83]</td></tr>
512: <tr><td>$inlineremote[91]</td><td>$inlineremote[92]</td><td>$inlineremote[93]</td></tr>
513: ENDINLINE
514: }
515: }
516: $result =(<<ENDREGTEXT);
517: <script type="text/javascript">
518: // BEGIN LON-CAPA Internal
519: </script>
520: $timesync
521: $newmail
522: $tablestart
523: $inlinebuttons
524: $tableend
525: <script type="text/javascript">
526: // END LON-CAPA Internal
527: </script>
528:
529: ENDREGTEXT
530: # Registered, graphical output
531: } else {
532: my $requri=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
533: $requri=&Apache::lonenc::check_encrypt(&Apache::lonnet::unescape($requri));
534: my $cursymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
535: my $navstatus=&get_nav_status();
536: my $clearcstr;
537:
538: if ($env{'user.adv'}) { $clearcstr='clearbut(6,1)'; }
539: $result = (<<ENDREGTHIS);
540:
541: <script type="text/javascript">
542: // BEGIN LON-CAPA Internal
543: var swmenu=null;
544:
545: function LONCAPAreg() {
546: swmenu=$reopen;
547: swmenu.clearTimeout(swmenu.menucltim);
548: $timesync
549: $newmail
550: $buttons
551: swmenu.currentURL="$requri";
552: swmenu.reloadURL=swmenu.currentURL+window.location.search;
553: swmenu.currentSymb="$cursymb";
554: swmenu.reloadSymb="$cursymb";
555: swmenu.currentStale=0;
556: $navstatus
557: $hwkadd
558: $editbutton
559: }
560:
561: function LONCAPAstale() {
562: swmenu=$reopen
563: swmenu.currentStale=1;
564: if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
565: swmenu.switchbutton
566: (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
567: }
568: swmenu.clearbut(7,2);
569: swmenu.clearbut(7,3);
570: swmenu.menucltim=swmenu.setTimeout(
571: 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
572: 'clearbut(9,1);clearbut(9,3);clearbut(6,3);$clearcstr',
573: 2000);
574: }
575:
576: // END LON-CAPA Internal
577: </script>
578: ENDREGTHIS
579: }
580: # =============================================================================
581: } else {
582: # ========================================== This can or will not be registered
583: if ($textual) {
584: # Not registered, textual
585: $result= (<<ENDDONOTREGTEXT);
586: ENDDONOTREGTEXT
587: } else {
588: # Not registered, graphical
589: $result = (<<ENDDONOTREGTHIS);
590:
591: <script type="text/javascript">
592: // BEGIN LON-CAPA Internal
593: var swmenu=null;
594:
595: function LONCAPAreg() {
596: swmenu=$reopen
597: $timesync
598: swmenu.currentStale=1;
599: swmenu.clearbut(2,1);
600: swmenu.clearbut(2,3);
601: swmenu.clearbut(8,1);
602: swmenu.clearbut(8,2);
603: swmenu.clearbut(8,3);
604: if (swmenu.currentURL) {
605: swmenu.switchbutton
606: (3,1,'reload.gif','return','location','go(currentURL)');
607: } else {
608: swmenu.clearbut(3,1);
609: }
610: }
611:
612: function LONCAPAstale() {
613: }
614:
615: // END LON-CAPA Internal
616: </script>
617: ENDDONOTREGTHIS
618: }
619: # =============================================================================
620: }
621: return $result;
622: }
623:
624: sub loadevents() {
625: if ($env{'request.state'} eq 'construct' ||
626: $env{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
627: return 'LONCAPAreg();';
628: }
629:
630: sub unloadevents() {
631: if ($env{'request.state'} eq 'construct' ||
632: $env{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
633: return 'LONCAPAstale();';
634: }
635:
636: # ============================================================= Start up remote
637:
638: sub startupremote {
639: my ($lowerurl)=@_;
640: if (($env{'browser.interface'} eq 'textual') ||
641: ($env{'environment.remote'} eq 'off')) {
642: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
643: }
644: #
645: # The Remote actually gets launched!
646: #
647: my $configmenu=&rawconfig();
648: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
649: my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
650: return(<<ENDREMOTESTARTUP);
651: <script type="text/javascript">
652: var timestart;
653: function wheelswitch() {
654: if (typeof(document.wheel) != 'undefined') {
655: if (typeof(document.wheel.spin) != 'undefined') {
656: var date=new Date();
657: var waited=Math.round(30-((date.getTime()-timestart)/1000));
658: document.wheel.spin.value=$message;
659: }
660: }
661: if (window.status=='|') {
662: window.status='/';
663: } else {
664: if (window.status=='/') {
665: window.status='-';
666: } else {
667: if (window.status=='-') {
668: window.status='\\\\';
669: } else {
670: if (window.status=='\\\\') { window.status='|'; }
671: }
672: }
673: }
674: }
675:
676: // ---------------------------------------------------------- The wait function
677: var canceltim;
678: function wait() {
679: if ((menuloaded==1) || (tim==1)) {
680: window.status='Done.';
681: if (tim==0) {
682: clearTimeout(canceltim);
683: $configmenu
684: window.location='$lowerurl';
685: } else {
686: window.location='/adm/remote?action=collapse&url=$esclowerurl';
687: }
688: } else {
689: wheelswitch();
690: setTimeout('wait();',200);
691: }
692: }
693:
694: function main() {
695: canceltim=setTimeout('tim=1;',30000);
696: window.status='-';
697: var date=new Date();
698: timestart=date.getTime();
699: wait();
700: }
701:
702: </script>
703: ENDREMOTESTARTUP
704: }
705:
706: sub setflags() {
707: return(<<ENDSETFLAGS);
708: <script type="text/javascript">
709: menuloaded=0;
710: tim=0;
711: </script>
712: ENDSETFLAGS
713: }
714:
715: sub maincall() {
716: if (($env{'browser.interface'} eq 'textual') ||
717: ($env{'environment.remote'} eq 'off')) { return ''; }
718: return(<<ENDMAINCALL);
719: <script type="text/javascript">
720: main();
721: </script>
722: ENDMAINCALL
723: }
724:
725: sub load_remote_msg {
726: my ($lowerurl)=@_;
727:
728: if (($env{'browser.interface'} eq 'textual') ||
729: ($env{'environment.remote'} eq 'off')) { return ''; }
730:
731: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
732: my $link=&mt('<a href="[_1]">Continue</a> on in Inline Menu mode',
733: "/adm/remote?action=collapse?url=$esclowerurl");
734: return(<<ENDREMOTEFORM);
735: <p>
736: <form name="wheel">
737: <input name="spin" type="text" size="60" />
738: </form>
739: </p>
740: <p>$link</p>
741: ENDREMOTEFORM
742: }
743: # ================================================================= Reopen menu
744:
745: sub reopenmenu {
746: if (($env{'browser.interface'} eq 'textual') ||
747: ($env{'environment.remote'} eq 'off')) { return ''; }
748: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
749: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
750: return('window.open('.$nothing.',"'.$menuname.'","",false);');
751: }
752:
753: # =============================================================== Open the menu
754:
755: sub open {
756: my $returnval='';
757: if (($env{'browser.interface'} eq 'textual') ||
758: ($env{'environment.remote'} eq 'off')) {
759: return '<script type="text/javascript">self.name="loncapaclient";</script>';
760: }
761: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
762: unless (shift eq 'unix') {
763: # resizing does not work on linux because of virtual desktop sizes
764: $returnval.=(<<ENDRESIZE);
765: if (window.screen) {
766: self.resizeTo(screen.availWidth-215,screen.availHeight-55);
767: self.moveTo(190,15);
768: }
769: ENDRESIZE
770: }
771: $returnval.=(<<ENDOPEN);
772: window.status='Opening LON-CAPA Remote Control';
773: var menu=window.open("/res/adm/pages/menu.html","$menuname",
774: "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
775: self.name='loncapaclient';
776: ENDOPEN
777: return '<script type="text/javascript">'.$returnval.'</script>';
778: }
779:
780:
781: # ================================================================== Raw Config
782:
783: sub clear {
784: my ($row,$col)=@_;
785: unless (($env{'browser.interface'} eq 'textual') ||
786: ($env{'environment.remote'} eq 'off')) {
787: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
788: } else {
789: $inlineremote[10*$row+$col]='';
790: return '';
791: }
792: }
793:
794: # ============================================ Switch a button or create a link
795: # Switch acts on the javascript that is executed when a button is clicked.
796: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
797:
798: sub switch {
799: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$nobreak)=@_;
800: $act=~s/\$uname/$uname/g;
801: $act=~s/\$udom/$udom/g;
802: $top=&mt($top);
803: $bot=&mt($bot);
804: $desc=&mt($desc);
805: $img=&mt($img);
806: unless (($env{'browser.interface'} eq 'textual') ||
807: ($env{'environment.remote'} eq 'off')) {
808: # Remote
809: return "\n".
810: qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
811: } elsif ($env{'browser.interface'} eq 'textual') {
812: # Accessibility
813: if ($nobreak==2) { return ''; }
814: my $text=$top.' '.$bot;
815: $text=~s/\s*\-\s*//gs;
816: if ($nobreak) {
817: $inlineremote[10*$row+$col]=
818: '<a href="javascript:'.$act.';">'.$text.'</a>';
819: } else {
820: $inlineremote[10*$row+$col]="\n<br />".
821: $desc.' <a href="javascript:'.$act.';">'.$text.'</a>';
822: }
823: } else {
824: # Inline Remote
825: if ($nobreak==2) { return ''; }
826: my $text=$top.' '.$bot;
827: $text=~s/\s*\-\s*//gs;
828:
829: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
830: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
831: my $pic=
832: '<img border="0" alt="'.$text.'" src="http://'.$ENV{'HTTP_HOST'}.
833: ':'.$lonhttpdPort.'/res/adm/pages/'.$img.'" align="'.
834: ($nobreak==3?'right':'left').'" />';
835: if (($env{'browser.interface'} eq 'textual') || ($env{'browser.interface'} eq 'faketextual')) {
836: # Accessibility
837: if ($nobreak==3) {
838: $inlineremote[10*$row+$col]="\n".
839: '<td width="40%" align="right"><font color="'.$font.'" size="+1">'.$text.
840: '</font></td><td width="10%" align="right" bgcolor="'.$tabbg.'">'.
841: '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
842: } elsif ($nobreak) {
843: $inlineremote[10*$row+$col]="\n<tr>".
844: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
845: '<a href="javascript:'.$act.';">'.$pic.
846: '</a></td><td width="40%" align="left"><font color="'.$font.'" size="+1">'.$text.'</font></td>';
847: } else {
848: $inlineremote[10*$row+$col]="\n<tr>".
849: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
850: '<a href="javascript:'.$act.';">'.$pic.
851: '</a></td><td colspan="3"><font color="'.$font.'">'.$desc.
852: '</font></td></tr>';
853: }
854: } else {
855: # Inline Menu
856: $inlineremote[10*$row+$col]=
857: '<a href="javascript:'.$act.';">'.$pic.
858: '</a><font color="'.$font.'" size="2">'.$desc.
859: '</font>';
860: }
861: }
862: return '';
863: }
864:
865: sub secondlevel {
866: my $output='';
867: my
868: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
869: if ($prt eq 'any') {
870: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
871: } elsif ($prt=~/^r(\w+)/) {
872: if ($rol eq $1) {
873: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
874: }
875: }
876: return $output;
877: }
878:
879: sub openmenu {
880: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
881: if (($env{'browser.interface'} eq 'textual') ||
882: ($env{'environment.remote'} eq 'off')) { return ''; }
883: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
884: return "window.open(".$nothing.",'".$menuname."');";
885: }
886:
887: sub inlinemenu {
888: @inlineremote=();
889: undef @inlineremote;
890: &rawconfig(1);
891: return join('',map { (defined($_)?$_:'') } @inlineremote);
892: }
893:
894: sub rawconfig {
895: my $textualoverride=shift;
896: my $output='';
897: unless (($env{'browser.interface'} eq 'textual') ||
898: ($env{'environment.remote'} eq 'off')) {
899: $output.=
900: "window.status='Opening Remote Control';var swmenu=".&openmenu().
901: "\nwindow.status='Configuring Remote Control ';";
902: } else {
903: unless ($textualoverride) { return ''; }
904: }
905: my $uname=$env{'user.name'};
906: my $udom=$env{'user.domain'};
907: my $adv=$env{'user.adv'};
908: my $author=$env{'user.author'};
909: my $crs='';
910: if ($env{'request.course.id'}) {
911: $crs='/'.$env{'request.course.id'};
912: if ($env{'request.course.sec'}) {
913: $crs.='_'.$env{'request.course.sec'};
914: }
915: $crs=~s/\_/\//g;
916: }
917: my $pub=($env{'request.state'} eq 'published');
918: my $con=($env{'request.state'} eq 'construct');
919: my $rol=$env{'request.role'};
920: my $requested_domain = $env{'request.role.domain'};
921: foreach (@desklines) {
922: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
923: $prt=~s/\$uname/$uname/g;
924: $prt=~s/\$udom/$udom/g;
925: $prt=~s/\$crs/$crs/g;
926: $prt=~s/\$requested_domain/$requested_domain/g;
927: if ($pro eq 'clear') {
928: $output.=&clear($row,$col);
929: } elsif ($pro eq 'any') {
930: $output.=&secondlevel(
931: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
932: } elsif ($pro eq 'smp') {
933: unless ($adv) {
934: $output.=&secondlevel(
935: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
936: }
937: } elsif ($pro eq 'adv') {
938: if ($adv) {
939: $output.=&secondlevel(
940: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
941: }
942: } elsif (($pro=~/^p(\w+)/) && ($prt)) {
943: if (&Apache::lonnet::allowed($1,$prt)) {
944: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
945: }
946: } elsif ($pro eq 'course') {
947: if ($env{'request.course.fn'}) {
948: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
949: }
950: } elsif ($pro =~ /^courseenv_(.*)$/) {
951: my $key = $1;
952: if ($env{'course.'.$env{'request.course.id'}.'.'.$key}) {
953: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
954: }
955: } elsif ($pro =~ /^course_(.*)$/) {
956: # Check for permissions inside of a course
957: if (($env{'request.course.id'}) &&
958: (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
959: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
960: )) {
961: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
962: }
963: } elsif ($pro eq 'author') {
964: if ($author) {
965: if ((($prt eq 'rca') && ($env{'request.role'}=~/^ca/)) ||
966: (($prt eq 'rau') && ($env{'request.role'}=~/^au/))) {
967: # Check that we are on the correct machine
968: my $cadom=$requested_domain;
969: my $caname=$env{'user.name'};
970: if ($prt eq 'rca') {
971: ($cadom,$caname)=
972: ($env{'request.role'}=~/(\w+)\/(\w+)$/);
973: }
974: $act =~ s/\$caname/$caname/g;
975: my $home = &Apache::lonnet::homeserver($caname,$cadom);
976: my $allowed=0;
977: my @ids=&Apache::lonnet::current_machine_ids();
978: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
979: if ($allowed) {
980: $output.=switch($caname,$cadom,
981: $row,$col,$img,$top,$bot,$act,$desc);
982: }
983: }
984: }
985: }
986: }
987: unless (($env{'browser.interface'} eq 'textual') ||
988: ($env{'environment.remote'} eq 'off')) {
989: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
990: if (&Apache::lonmsg::newmail()) {
991: $output.='swmenu.setstatus("you have","messages");';
992: }
993: }
994:
995: return $output;
996: }
997:
998: # ======================================================================= Close
999:
1000: sub close {
1001: if (($env{'browser.interface'} eq 'textual') ||
1002: ($env{'environment.remote'} eq 'off')) { return ''; }
1003: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
1004: return(<<ENDCLOSE);
1005: <script type="text/javascript">
1006: window.status='Accessing Remote Control';
1007: menu=window.open("/adm/rat/empty.html","$menuname",
1008: "height=350,width=150,scrollbars=no,menubar=no");
1009: window.status='Disabling Remote Control';
1010: menu.active=0;
1011: menu.autologout=0;
1012: window.status='Closing Remote Control';
1013: menu.close();
1014: window.status='Done.';
1015: </script>
1016: ENDCLOSE
1017: }
1018:
1019: # ====================================================================== Footer
1020:
1021: sub footer {
1022:
1023: }
1024:
1025: sub nav_control_js {
1026: my $nav=($env{'environment.remotenavmap'} eq 'on');
1027: return (<<NAVCONTROL);
1028: var w_loncapanav_flag="$nav";
1029:
1030:
1031: function gonav(url) {
1032: if (w_loncapanav_flag != 1) {
1033: gopost(url,'');
1034: } else {
1035: navwindow=window.open(url,
1036: "loncapanav","height=600,width=400,scrollbars=1");
1037: }
1038: }
1039: NAVCONTROL
1040: }
1041:
1042: sub utilityfunctions {
1043: my $caller = shift;
1044: unless (($env{'browser.interface'} eq 'textual') ||
1045: ($env{'environment.remote'} eq 'off') || ($caller eq '/adm/menu')) { return ''; }
1046: my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
1047: $currenturl=&Apache::lonenc::check_encrypt(&Apache::lonnet::unescape($currenturl));
1048:
1049: my $currentsymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
1050: my $nav_control=&nav_control_js();
1051: return (<<ENDUTILITY)
1052:
1053: var currentURL="$currenturl";
1054: var reloadURL="$currenturl";
1055: var currentSymb="$currentsymb";
1056:
1057: $nav_control
1058:
1059: function go(url) {
1060: if (url!='' && url!= null) {
1061: currentURL = null;
1062: currentSymb= null;
1063: window.location.href=url;
1064: }
1065: }
1066:
1067: function gopost(url,postdata) {
1068: if (url!='') {
1069: this.document.server.action=url;
1070: this.document.server.postdata.value=postdata;
1071: this.document.server.command.value='';
1072: this.document.server.url.value='';
1073: this.document.server.symb.value='';
1074: this.document.server.submit();
1075: }
1076: }
1077:
1078: function gocmd(url,cmd) {
1079: if (url!='') {
1080: this.document.server.action=url;
1081: this.document.server.postdata.value='';
1082: this.document.server.command.value=cmd;
1083: this.document.server.url.value=currentURL;
1084: this.document.server.symb.value=currentSymb;
1085: this.document.server.submit();
1086: }
1087: }
1088:
1089: function gocstr(url,filename) {
1090: if (url == '/adm/cfile?action=delete') {
1091: this.document.cstrdelete.filename.value = filename
1092: this.document.cstrdelete.submit();
1093: return;
1094: }
1095: if (url == '/adm/printout') {
1096: this.document.cstrprint.postdata.value = filename
1097: this.document.cstrprint.curseed.value = 0;
1098: this.document.cstrprint.problemtype.value = 0;
1099: if (this.document.lonhomework) {
1100: if ((this.document.lonhomework.rndseed) && (this.document.lonhomework.rndseed.value != null) && (this.document.lonhomework.rndseed.value != '')) {
1101: this.document.cstrprint.curseed.value = this.document.lonhomework.rndseed.value
1102: }
1103: if (this.document.lonhomework.problemtype) {
1104: for (var i=0; i<this.document.lonhomework.problemtype.options.length; i++) {
1105: if (this.document.lonhomework.problemtype.options[i].selected) {
1106: if (this.document.lonhomework.problemtype.options[i].value != null && this.document.lonhomework.problemtype.options[i].value != '') {
1107: this.document.cstrprint.problemtype.value = this.document.lonhomework.problemtype.options[i].value
1108: }
1109: }
1110: }
1111: }
1112: }
1113: this.document.cstrprint.submit();
1114: return;
1115: }
1116: if (url !='') {
1117: this.document.constspace.filename.value = filename;
1118: this.document.constspace.action = url;
1119: this.document.constspace.submit();
1120: }
1121: }
1122:
1123: function golist(url) {
1124: if (url!='' && url!= null) {
1125: currentURL = null;
1126: currentSymb= null;
1127: top.location.href=url;
1128: }
1129: }
1130:
1131:
1132:
1133: function catalog_info() {
1134: loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
1135: }
1136:
1137: function chat_win() {
1138: lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
1139: }
1140: ENDUTILITY
1141: }
1142:
1143: sub serverform {
1144: return(<<ENDSERVERFORM);
1145:
1146: <form name="server" action="/adm/logout" method="post" target="_top">
1147: <input type="hidden" name="postdata" value="none" />
1148: <input type="hidden" name="command" value="none" />
1149: <input type="hidden" name="url" value="none" />
1150: <input type="hidden" name="symb" value="none" />
1151: </form>
1152: ENDSERVERFORM
1153: }
1154:
1155: sub constspaceform {
1156: return(<<ENDCONSTSPACEFORM);
1157: <form name="constspace" action="/adm/logout" method="post" target="_top">
1158: <input type="hidden" name="filename" value="" />
1159: </form>
1160: <form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
1161: <input type="hidden" name="action" value="delete" />
1162: <input type="hidden" name="filename" value="" />
1163: </form>
1164: <form name="cstrprint" action="/adm/printout" target="_parent" method="post">
1165: <input type="hidden" name="postdata" value="" />
1166: <input type="hidden" name="curseed" value="" />
1167: <input type="hidden" name="problemtype" value="" />
1168: </form>
1169:
1170: ENDCONSTSPACEFORM
1171: }
1172:
1173:
1174: sub get_nav_status {
1175: my $navstatus="swmenu.w_loncapanav_flag=";
1176: if ($env{'environment.remotenavmap'} eq 'on') {
1177: $navstatus.="1";
1178: } else {
1179: $navstatus.="-1";
1180: }
1181: return $navstatus;
1182: }
1183:
1184: # ================================================ Handler when called directly
1185:
1186:
1187: sub handler {
1188: my $r = shift;
1189: &Apache::loncommon::content_type($r,'text/html');
1190: $r->send_http_header;
1191: return OK if $r->header_only;
1192:
1193: my $form;
1194: if ($env{'environment.remote'} ne 'off' &&
1195: $env{'browser.interface'} ne 'textual') {
1196: $form=&serverform();
1197: }
1198: my $bodytag=&Apache::loncommon::bodytag('Main Menu');
1199: my $function='student';
1200: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
1201: $function='coordinator';
1202: }
1203: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
1204: $function='admin';
1205: }
1206: if (($env{'request.role'}=~/^(au|ca)/) ||
1207: ($env{'request.noversionuri'}=~/^(\/priv|\~)/)) {
1208: $function='author';
1209: }
1210: my $domain=&Apache::loncommon::determinedomain();
1211: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
1212: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
1213: $font=&Apache::loncommon::designparm($function.'.font',$domain);
1214: my $script_tag;
1215: if ($env{'environment.remote'} ne 'off') {
1216: my $utility=&utilityfunctions('/adm/menu');
1217: $script_tag=(<<ENDSCRIPT);
1218: <script type="text/javascript">
1219: $utility
1220: </script>
1221: ENDSCRIPT
1222: }
1223: # ---- Print the screen, pretend to be in text mode to generate text-based menu
1224: unless ($env{'browser.interface'} eq 'textual') {
1225: $env{'browser.interface'}='faketextual';
1226: $env{'environment.remote'}='off';
1227: }
1228: my $html=&Apache::lonxml::xmlbegin();
1229: $r->print(<<ENDHEADER);
1230: $html
1231: <head>
1232: <title>LON-CAPA Main Menu</title>
1233: $script_tag
1234: </head>
1235: $bodytag
1236: ENDHEADER
1237: $r->print('<table>'.&inlinemenu().'</table>'.$form);
1238: $r->print('</body></html>');
1239: return OK;
1240: }
1241:
1242: # ================================================================ Main Program
1243:
1244: BEGIN {
1245: if (! defined($readdesk)) {
1246: {
1247: my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
1248: if ( CORE::open( my $config,"<$tabfile") ) {
1249: while (my $configline=<$config>) {
1250: $configline=(split(/\#/,$configline))[0];
1251: $configline=~s/^\s+//;
1252: chomp($configline);
1253: if ($configline) {
1254: $desklines[$#desklines+1]=$configline;
1255: }
1256: }
1257: CORE::close($config);
1258: }
1259: }
1260: $readdesk='done';
1261: }
1262: }
1263:
1264: 1;
1265: __END__
1266:
1267:
1268:
1269:
1270:
1271:
1272:
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