1: # The LearningOnline Network with CAPA
2: # Routines to control the menu
3: #
4: # $Id: lonmenu.pm,v 1.132 2004/11/30 22:44:29 raeburn 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: '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: my $titletable=shift;
73: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
74: ['inhibitmenu']);
75: if ($ENV{'form.inhibitmenu'} eq 'yes') { return ''; }
76:
77: my $navmaps='';
78: my $reloadlink='';
79: my $escurl=&Apache::lonnet::escape(&Apache::lonenc::check_encrypt($ENV{'request.noversionuri'}));
80: my $escsymb=&Apache::lonnet::escape(&Apache::lonenc::check_encrypt($ENV{'request.symb'}));
81: if ($ENV{'browser.interface'} eq 'textual') {
82: # Textual display only
83: my %lt=&initlittle();
84: $pgbg='#FFFFFF';
85: $tabbg='#FFFFFF';
86: $font='#000000';
87: if ($ENV{'request.course.id'}) {
88: $navmaps=(<<ENDNAV);
89: <a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top">$lt{'nav'}</a>
90: ENDNAV
91: if (($ENV{'request.noversionuri'}=~/^\/adm\//) &&
92: ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
93: ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
94: my $escreload=&Apache::lonnet::escape('return:');
95: $reloadlink=(<<ENDRELOAD);
96: <a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a>
97: ENDRELOAD
98: }
99: }
100: my $form=&serverform();
101: my $utility=&utilityfunctions();
102: my $output=(<<ENDMAINMENU);
103: <script type="text/javascript">
104: // BEGIN LON-CAPA Internal
105: $utility
106: </script>
107: <a href="/adm/menu" target="_top">$lt{'main'}</a>
108: $reloadlink $navmaps<br />
109: <script type="text/javascript">
110: // END LON-CAPA Internal
111: </script>
112: $form
113: ENDMAINMENU
114: if ($registration) { $output.=&innerregister($forcereg,$target); }
115: return $output."<hr />";
116: } elsif ($ENV{'environment.remote'} eq 'off') {
117: # Remote Control is switched off
118: # figure out colors
119: my %lt=&initlittle();
120: my $function='student';
121: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
122: $function='coordinator';
123: }
124: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
125: $function='admin';
126: }
127: if (($ENV{'request.role'}=~/^(au|ca)/) ||
128: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
129: $function='author';
130: }
131: my $domain=&Apache::loncommon::determinedomain();
132: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
133: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
134: $font=&Apache::loncommon::designparm($function.'.font',$domain);
135: my $link=&Apache::loncommon::designparm($function.'.link',$domain);
136: my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
137: my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
138: my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
139: # Do we have a NAV link?
140: if ($ENV{'request.course.id'}) {
141: $navmaps=(<<ENDNAV);
142: <td bgcolor="$tabbg">
143: <a href="javascript:gonav('/adm/navmaps?postdata=$escurl&postsymb=$escsymb')"><font color="$font">$lt{'nav'}</font></a></td>
144: ENDNAV
145: if (($ENV{'request.noversionuri'}=~/^\/adm\//) &&
146: ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
147: ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
148: my $escreload=&Apache::lonnet::escape('return:');
149: $reloadlink=(<<ENDRELOAD);
150: <td bgcolor="$tabbg">
151: <a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a></td>
152: ENDRELOAD
153: }
154: }
155: my $reg='';
156: if ($registration) {
157: $reg=&innerregister($forcereg,$target,$titletable);
158: }
159: my $form=&serverform();
160: my $utility=&utilityfunctions();
161: return (<<ENDINLINEMENU);
162: <script type="text/javascript">
163: // BEGIN LON-CAPA Internal
164: $utility
165: </script>
166: <font face="Arial,Helvetica,sans-serif"><table bgcolor="$pgbg" width="100%" border="0" cellpadding="1" cellspacing="1">
167: <tr>
168: <td bgcolor="$tabbg">
169: <a href="/adm/menu" target="_top"><font color="$font">$lt{'main'}</font></a>
170: </td>
171: $reloadlink
172: $navmaps
173: <td bgcolor="$tabbg">
174: <a href="/adm/remote?action=launch&url=$escurl" target="_top">
175: <font color="$font">$lt{'launch'}</font></a></td>
176: <td bgcolor="$tabbg">
177: <img align="right" src="/adm/lonIcons/minilogo.gif" />
178: <b>LON-CAPA</b></td>
179: $form
180: </tr>
181: </table>
182: </font>
183: <script type="text/javascript">
184: // END LON-CAPA Internal
185: </script>
186: $reg
187: ENDINLINEMENU
188: } else {
189: return '';
190: }
191: }
192:
193: # ====================================== This gets called in the header section
194:
195: sub registerurl {
196: my $forcereg=shift;
197: my $target = shift;
198: my $result = '';
199: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
200: my $force_title='';
201: if ($ENV{'request.state'} eq 'construct') {
202: $force_title=&Apache::lonxml::display_title();
203: }
204: if ($target eq 'edit') {
205: $result .="<script type=\"text/javascript\">\n".
206: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
207: &Apache::loncommon::browser_and_searcher_javascript().
208: "\n</script>\n";
209: }
210: if (($ENV{'browser.interface'} eq 'textual') ||
211: ($ENV{'environment.remote'} eq 'off') ||
212: ((($ENV{'request.publicaccess'}) ||
213: (!&Apache::lonnet::is_on_map(
214: &Apache::lonnet::unescape($ENV{'request.noversionuri'})))) &&
215: (!$forcereg))) {
216: return $result.
217: '<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>'.$force_title;
218: }
219: # Graphical display after login only
220: if ($Apache::lonxml::registered && !$forcereg) { return ''; }
221: if ($target ne 'edit') {
222: $result.=&innerregister($forcereg,$target);
223: }
224: return $result.$force_title;
225: }
226:
227: # =========== This gets called in order to register a URL, both with the Remote
228: # =========== and in the body of the document
229:
230: sub innerregister {
231: my $forcereg=shift;
232: my $target = shift;
233: my $titletable = shift;
234: my $result = '';
235: my ($uname,$thisdisfn);
236: my $const_space = ($ENV{'request.state'} eq 'construct');
237: my $is_const_dir = 0;
238:
239: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
240:
241: $Apache::lonxml::registered=1;
242:
243: my $textinter=($ENV{'browser.interface'} eq 'textual');
244: my $noremote=($ENV{'environment.remote'} eq 'off');
245:
246: my $textual=($textinter || $noremote);
247:
248: @inlineremote=();
249: undef @inlineremote;
250:
251: my $reopen=&Apache::lonmenu::reopenmenu();
252:
253: my $newmail='';
254: if ($noremote) {
255: $newmail='<font face="Arial,Helvetica,sans-serif"><table bgcolor="'.$pgbg.'" border="0" cellspacing="1" cellpadding="1" width="100%"><tr><td bgcolor="'.$tabbg.'">';
256: }
257: if (($textual) && ($ENV{'request.symb'}) && ($ENV{'request.course.id'})) {
258: my ($mapurl,$rid,$resurl)=&Apache::lonnet::decode_symb($ENV{'request.symb'});
259: $newmail.=$ENV{'course.'.$ENV{'request.course.id'}.'.description'};
260: my $maptitle=&Apache::lonnet::gettitle($mapurl);
261: my $restitle=&Apache::lonnet::gettitle($resurl);
262: if ($maptitle) {
263: $newmail.=', '.$maptitle;
264: }
265: if ($restitle) {
266: $newmail.=': '.$restitle;
267: }
268: $newmail.=' ';
269: }
270: if (&Apache::lonmsg::newmail()) {
271: $newmail=($textual?
272: '<b><a href="/adm/communicate" target="_top">You have new messages</a></b><br />':
273: 'swmenu.setstatus("you have","messages");');
274: }
275: if ($ENV{'request.state'} eq 'construct') {
276: $newmail = $titletable;
277: }
278: if ($noremote) {
279: $newmail.='</td></tr></table></font>';
280: }
281: my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
282: 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 />':'');
283: my $tableend=($noremote?'</table></font>':'').($textinter?'<a name="content" />':'');
284: # =============================================================================
285: # ============================ This is for URLs that actually can be registered
286: if (($ENV{'request.noversionuri'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
287: # -- This applies to homework problems for users with grading privileges
288: my $crs='/'.$ENV{'request.course.id'};
289: if ($ENV{'request.course.sec'}) {
290: $crs.='_'.$ENV{'request.course.sec'};
291: }
292: $crs=~s/\_/\//g;
293:
294: my $hwkadd='';
295: if ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
296: if (&Apache::lonnet::allowed('vgr',$crs)) {
297: $hwkadd.=&switch('','',7,1,'subm.gif','view sub-[_1]','missions[_1]',
298: "gocmd('/adm/grades','submission')",
299: 'View user submissions for this assessment resource');
300: }
301: if (&Apache::lonnet::allowed('mgr',$crs)) {
302: $hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_3]',
303: "gocmd('/adm/grades','gradingmenu')",
304: 'Modify user grades for this assessment resource');
305: }
306: }
307: if (&Apache::lonnet::allowed('opa',$crs)) {
308: $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
309: "gocmd('/adm/parmset','set')",
310: 'Modify deadlines, etc, for this resource');
311: }
312: # -- End Homework
313: ###
314: ### Determine whether or not to display the 'cstr' button for this
315: ### resource
316: ###
317: my $editbutton = '';
318: if ($ENV{'user.author'}) {
319: if ($ENV{'request.role'}=~/^(ca|au)/) {
320: # Set defaults for authors
321: my ($top,$bottom) = ('con-','struct');
322: my $action = "go('/priv/".$ENV{'user.name'}."');";
323: my $cadom = $ENV{'request.role.domain'};
324: my $caname = $ENV{'user.name'};
325: my $desc = "Enter my resource construction space";
326: # Set defaults for co-authors
327: if ($ENV{'request.role'} =~ /^ca/) {
328: ($cadom,$caname)=($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
329: ($top,$bottom) = ('co con-','struct');
330: $action = "go('/priv/".$caname."');";
331: $desc = "Enter construction space as co-author";
332: }
333: # Check that we are on the correct machine
334: my $home = &Apache::lonnet::homeserver($caname,$cadom);
335: my $allowed=0;
336: my @ids=&Apache::lonnet::current_machine_ids();
337: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
338: if (!$allowed) {
339: $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
340: }
341: }
342: ##
343: ## Determine if user can edit url.
344: ##
345: my $cfile='';
346: my $cfuname='';
347: my $cfudom='';
348: if ($ENV{'request.filename'}) {
349: my $file=&Apache::lonnet::declutter($ENV{'request.filename'});
350: $file=~s/^(\w+)\/(\w+)/\/priv\/$2/;
351: # Check that the user has permission to edit this resource
352: ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
353: if (defined($cfudom)) {
354: my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
355: my $allowed=0;
356: my @ids=&Apache::lonnet::current_machine_ids();
357: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
358: if ($allowed) {
359: $cfile=$file;
360: }
361: }
362: }
363: # Finally, turn the button on or off
364: if ($cfile && !$const_space) {
365: $editbutton=&switch
366: ('','',6,1,'cstr.gif','edit[_1]','resource[_2]',
367: "go('".$cfile."');","Edit this resource");
368: } elsif ($editbutton eq '') {
369: $editbutton=&clear(6,1);
370: }
371: }
372: ###
373: ###
374: # Prepare the rest of the buttons
375: my $menuitems;
376: if ($const_space) {
377: my ($uname,$thisdisfn) =
378: ($ENV{'request.filename'}=~m|^/home/([^/]+)/public_html/(.*)|);
379: my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
380: if ($currdir =~ m-/$-) {
381: $is_const_dir = 1;
382: } else {
383: $currdir =~ s#[^/]+$##;
384: $menuitems=(<<ENDMENUITEMS);
385: s&6&1&list.gif&list[_1]&dir[_1]&golist('$currdir')&List current directory
386: s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$thisdisfn')&Retrieve old version
387: s&6&3&pub.gif&publish[_1]&resource[_1]&gocstr('/adm/publish','/~$uname/$thisdisfn')&Publish this resource
388: s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$thisdisfn')&Delete this resource
389: s&7&2&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout','/~$uname/$thisdisfn')&Prepare a printable document
390: ENDMENUITEMS
391: }
392: } else {
393: $menuitems=(<<ENDMENUITEMS);
394: c&3&1
395: s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1
396: s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&3
397: c&6&3
398: c&8&1
399: c&8&2
400: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
401: s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&2
402: s&9&3&anot.gif&anno-[_1]&tations[_1]&annotate()&Make notes and annotations about this resource&2
403: ENDMENUITEMS
404: unless ($ENV{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
405: $menuitems.=(<<ENDREALRES);
406: s&6&3&catalog.gif&catalog[_1]&info[_1]&catalog_info()&Show catalog information
407: s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
408: 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
409: ENDREALRES
410: }
411: }
412: my $buttons='';
413: foreach (split(/\n/,$menuitems)) {
414: my ($command,@rest)=split(/\&/,$_);
415: if ($command eq 's') {
416: $buttons.=&switch('','',@rest);
417: } else {
418: $buttons.=&clear(@rest);
419: }
420: }
421: if ($textual) {
422: # Registered, textual output
423: my $inlinebuttons='';
424:
425: if ($ENV{'browser.interface'} eq 'textual') {
426: $inlinebuttons=
427: join('',map { (defined($_)?$_:'') } @inlineremote);
428: } else {
429: $inlinebuttons=(<<ENDINLINE);
430: <tr><td>$inlineremote[21]</td><td> </td><td>$inlineremote[23]</td></tr>
431: <tr><td>$inlineremote[61]</td><td>$inlineremote[62]</td><td>$inlineremote[63]</td></tr>
432: <tr><td>$inlineremote[71]</td><td>$inlineremote[72]</td><td>$inlineremote[73]</td></tr>
433: <tr><td>$inlineremote[81]</td><td>$inlineremote[82]</td><td>$inlineremote[83]</td></tr>
434: <tr><td>$inlineremote[91]</td><td>$inlineremote[92]</td><td>$inlineremote[93]</td></tr>
435: ENDINLINE
436: }
437: if ($const_space && $is_const_dir) {
438: $inlinebuttons = '';
439: }
440: $result =(<<ENDREGTEXT);
441: <script type="text/javascript">
442: // BEGIN LON-CAPA Internal
443: </script>
444: $timesync
445: $newmail
446: $tablestart
447: $inlinebuttons
448: $tableend
449: <script type="text/javascript">
450: // END LON-CAPA Internal
451: </script>
452:
453: ENDREGTEXT
454: # Registered, graphical output
455: } else {
456: my $requri=(split(/\?/,$ENV{'request.noversionuri'}))[0];
457: $requri=&Apache::lonenc::check_encrypt(&Apache::lonnet::unescape($requri));
458: my $cursymb=&Apache::lonenc::check_encrypt($ENV{'request.symb'});
459: my $navstatus=&get_nav_status();
460: $result = (<<ENDREGTHIS);
461:
462: <script type="text/javascript">
463: // BEGIN LON-CAPA Internal
464: var swmenu=null;
465:
466: function LONCAPAreg() {
467: swmenu=$reopen;
468: swmenu.clearTimeout(swmenu.menucltim);
469: $timesync
470: $newmail
471: $buttons
472: swmenu.currentURL="$requri";
473: swmenu.reloadURL=swmenu.currentURL+window.location.search;
474: swmenu.currentSymb="$cursymb";
475: swmenu.reloadSymb="$cursymb";
476: swmenu.currentStale=0;
477: $navstatus
478: $hwkadd
479: $editbutton
480: }
481:
482: function LONCAPAstale() {
483: swmenu=$reopen
484: swmenu.currentStale=1;
485: if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
486: swmenu.switchbutton
487: (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
488: }
489: swmenu.clearbut(7,1);
490: swmenu.clearbut(7,2);
491: swmenu.clearbut(7,3);
492: swmenu.menucltim=swmenu.setTimeout(
493: 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
494: 'clearbut(9,1);clearbut(9,3);clearbut(6,3);clearbut(6,1)',
495: 2000);
496: }
497:
498: // END LON-CAPA Internal
499: </script>
500: ENDREGTHIS
501: }
502: # =============================================================================
503: } else {
504: # ========================================== This can or will not be registered
505: if ($textual) {
506: # Not registered, textual
507: $result= (<<ENDDONOTREGTEXT);
508: ENDDONOTREGTEXT
509: } else {
510: # Not registered, graphical
511: $result = (<<ENDDONOTREGTHIS);
512:
513: <script type="text/javascript">
514: // BEGIN LON-CAPA Internal
515: var swmenu=null;
516:
517: function LONCAPAreg() {
518: swmenu=$reopen
519: $timesync
520: swmenu.currentStale=1;
521: swmenu.clearbut(2,1);
522: swmenu.clearbut(2,3);
523: swmenu.clearbut(8,1);
524: swmenu.clearbut(8,2);
525: swmenu.clearbut(8,3);
526: if (swmenu.currentURL) {
527: swmenu.switchbutton
528: (3,1,'reload.gif','return','location','go(currentURL)');
529: } else {
530: swmenu.clearbut(3,1);
531: }
532: }
533:
534: function LONCAPAstale() {
535: }
536:
537: // END LON-CAPA Internal
538: </script>
539: ENDDONOTREGTHIS
540: }
541: # =============================================================================
542: }
543: return $result;
544: }
545:
546: sub loadevents() {
547: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
548: return 'LONCAPAreg();';
549: }
550:
551: sub unloadevents() {
552: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
553: return 'LONCAPAstale();';
554: }
555:
556: # ============================================================= Start up remote
557:
558: sub startupremote {
559: my ($lowerurl)=@_;
560: if (($ENV{'browser.interface'} eq 'textual') ||
561: ($ENV{'environment.remote'} eq 'off')) {
562: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
563: }
564: #
565: # The Remote actually gets launched!
566: #
567: my $configmenu=&rawconfig();
568: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
569: my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
570: return(<<ENDREMOTESTARTUP);
571: <script type="text/javascript">
572: var timestart;
573: function wheelswitch() {
574: if (typeof(document.wheel) != 'undefined') {
575: if (typeof(document.wheel.spin) != 'undefined') {
576: var date=new Date();
577: var waited=Math.round(30-((date.getTime()-timestart)/1000));
578: document.wheel.spin.value=$message;
579: }
580: }
581: if (window.status=='|') {
582: window.status='/';
583: } else {
584: if (window.status=='/') {
585: window.status='-';
586: } else {
587: if (window.status=='-') {
588: window.status='\\\\';
589: } else {
590: if (window.status=='\\\\') { window.status='|'; }
591: }
592: }
593: }
594: }
595:
596: // ---------------------------------------------------------- The wait function
597: var canceltim;
598: function wait() {
599: if ((menuloaded==1) || (tim==1)) {
600: window.status='Done.';
601: if (tim==0) {
602: clearTimeout(canceltim);
603: $configmenu
604: window.location='$lowerurl';
605: } else {
606: window.location='/adm/remote?action=collapse&url=$esclowerurl';
607: }
608: } else {
609: wheelswitch();
610: setTimeout('wait();',200);
611: }
612: }
613:
614: function main() {
615: canceltim=setTimeout('tim=1;',30000);
616: window.status='-';
617: var date=new Date();
618: timestart=date.getTime();
619: wait();
620: }
621:
622: </script>
623: ENDREMOTESTARTUP
624: }
625:
626: sub setflags() {
627: return(<<ENDSETFLAGS);
628: <script type="text/javascript">
629: menuloaded=0;
630: tim=0;
631: </script>
632: ENDSETFLAGS
633: }
634:
635: sub maincall() {
636: if (($ENV{'browser.interface'} eq 'textual') ||
637: ($ENV{'environment.remote'} eq 'off')) { return ''; }
638: return(<<ENDMAINCALL);
639: <script type="text/javascript">
640: main();
641: </script>
642: ENDMAINCALL
643: }
644:
645: sub load_remote_msg {
646: my ($lowerurl)=@_;
647:
648: if (($ENV{'browser.interface'} eq 'textual') ||
649: ($ENV{'environment.remote'} eq 'off')) { return ''; }
650:
651: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
652: my $link=&mt('<a href="[_1]">Continue</a> on in Inline Menu mode',
653: "/adm/remote?action=collapse?url=$esclowerurl");
654: return(<<ENDREMOTEFORM);
655: <p>
656: <form name="wheel">
657: <input name="spin" type="text" size="60" />
658: </form>
659: </p>
660: <p>$link</p>
661: ENDREMOTEFORM
662: }
663: # ================================================================= Reopen menu
664:
665: sub reopenmenu {
666: if (($ENV{'browser.interface'} eq 'textual') ||
667: ($ENV{'environment.remote'} eq 'off')) { return ''; }
668: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
669: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
670: return('window.open('.$nothing.',"'.$menuname.'","",false);');
671: }
672:
673: # =============================================================== Open the menu
674:
675: sub open {
676: my $returnval='';
677: if (($ENV{'browser.interface'} eq 'textual') ||
678: ($ENV{'environment.remote'} eq 'off')) {
679: return '<script type="text/javascript">self.name="loncapaclient";</script>';
680: }
681: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
682: unless (shift eq 'unix') {
683: # resizing does not work on linux because of virtual desktop sizes
684: $returnval.=(<<ENDRESIZE);
685: if (window.screen) {
686: self.resizeTo(screen.availWidth-215,screen.availHeight-55);
687: self.moveTo(190,15);
688: }
689: ENDRESIZE
690: }
691: $returnval.=(<<ENDOPEN);
692: window.status='Opening LON-CAPA Remote Control';
693: var menu=window.open("/res/adm/pages/menu.html","$menuname",
694: "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
695: self.name='loncapaclient';
696: ENDOPEN
697: return '<script type="text/javascript">'.$returnval.'</script>';
698: }
699:
700:
701: # ================================================================== Raw Config
702:
703: sub clear {
704: my ($row,$col)=@_;
705: unless (($ENV{'browser.interface'} eq 'textual') ||
706: ($ENV{'environment.remote'} eq 'off')) {
707: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
708: } else {
709: $inlineremote[10*$row+$col]='';
710: return '';
711: }
712: }
713:
714: # ============================================ Switch a button or create a link
715: # Switch acts on the javascript that is executed when a button is clicked.
716: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
717:
718: sub switch {
719: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$nobreak)=@_;
720: $act=~s/\$uname/$uname/g;
721: $act=~s/\$udom/$udom/g;
722: $top=&mt($top);
723: $bot=&mt($bot);
724: $desc=&mt($desc);
725: $img=&mt($img);
726: unless (($ENV{'browser.interface'} eq 'textual') ||
727: ($ENV{'environment.remote'} eq 'off')) {
728: # Remote
729: return "\n".
730: qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
731: } elsif ($ENV{'browser.interface'} eq 'textual') {
732: # Accessibility
733: if ($nobreak==2) { return ''; }
734: my $text=$top.' '.$bot;
735: $text=~s/\s*\-\s*//gs;
736: if ($nobreak) {
737: $inlineremote[10*$row+$col]=
738: '<a href="javascript:'.$act.';">'.$text.'</a>';
739: } else {
740: $inlineremote[10*$row+$col]="\n<br />".
741: $desc.' <a href="javascript:'.$act.';">'.$text.'</a>';
742: }
743: } else {
744: # Inline Remote
745: if ($nobreak==2) { return ''; }
746: my $text=$top.' '.$bot;
747: $text=~s/\s*\-\s*//gs;
748:
749: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
750: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
751: my $pic=
752: '<img border="0" alt="'.$text.'" src="http://'.$ENV{'HTTP_HOST'}.
753: ':'.$lonhttpdPort.'/res/adm/pages/'.$img.'" align="'.
754: ($nobreak==3?'right':'left').'" />';
755: if (($ENV{'browser.interface'} eq 'textual') || ($ENV{'browser.interface'} eq 'faketextual')) {
756: # Accessibility
757: if ($nobreak==3) {
758: $inlineremote[10*$row+$col]="\n".
759: '<td width="40%" align="right"><font color="'.$font.'" size="+1">'.$text.
760: '</font></td><td width="10%" align="right" bgcolor="'.$tabbg.'">'.
761: '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
762: } elsif ($nobreak) {
763: $inlineremote[10*$row+$col]="\n<tr>".
764: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
765: '<a href="javascript:'.$act.';">'.$pic.
766: '</a></td><td width="40%" align="left"><font color="'.$font.'" size="+1">'.$text.'</font></td>';
767: } else {
768: $inlineremote[10*$row+$col]="\n<tr>".
769: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
770: '<a href="javascript:'.$act.';">'.$pic.
771: '</a></td><td colspan="3"><font color="'.$font.'">'.$desc.
772: '</font></td></tr>';
773: }
774: } else {
775: # Inline Menu
776: $inlineremote[10*$row+$col]=
777: '<a href="javascript:'.$act.';">'.$pic.
778: '</a><font color="'.$font.'" size="2">'.$desc.
779: '</font>';
780: }
781: }
782: return '';
783: }
784:
785: sub secondlevel {
786: my $output='';
787: my
788: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
789: if ($prt eq 'any') {
790: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
791: } elsif ($prt=~/^r(\w+)/) {
792: if ($rol eq $1) {
793: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
794: }
795: }
796: return $output;
797: }
798:
799: sub openmenu {
800: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
801: if (($ENV{'browser.interface'} eq 'textual') ||
802: ($ENV{'environment.remote'} eq 'off')) { return ''; }
803: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
804: return "window.open(".$nothing.",'".$menuname."');";
805: }
806:
807: sub inlinemenu {
808: @inlineremote=();
809: undef @inlineremote;
810: &rawconfig(1);
811: return join('',map { (defined($_)?$_:'') } @inlineremote);
812: }
813:
814: sub rawconfig {
815: my $textualoverride=shift;
816: my $output='';
817: unless (($ENV{'browser.interface'} eq 'textual') ||
818: ($ENV{'environment.remote'} eq 'off')) {
819: $output.=
820: "window.status='Opening Remote Control';var swmenu=".&openmenu().
821: "\nwindow.status='Configuring Remote Control ';";
822: } else {
823: unless ($textualoverride) { return ''; }
824: }
825: my $uname=$ENV{'user.name'};
826: my $udom=$ENV{'user.domain'};
827: my $adv=$ENV{'user.adv'};
828: my $author=$ENV{'user.author'};
829: my $crs='';
830: if ($ENV{'request.course.id'}) {
831: $crs='/'.$ENV{'request.course.id'};
832: if ($ENV{'request.course.sec'}) {
833: $crs.='_'.$ENV{'request.course.sec'};
834: }
835: $crs=~s/\_/\//g;
836: }
837: my $pub=($ENV{'request.state'} eq 'published');
838: my $con=($ENV{'request.state'} eq 'construct');
839: my $rol=$ENV{'request.role'};
840: my $requested_domain = $ENV{'request.role.domain'};
841: foreach (@desklines) {
842: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
843: $prt=~s/\$uname/$uname/g;
844: $prt=~s/\$udom/$udom/g;
845: $prt=~s/\$crs/$crs/g;
846: $prt=~s/\$requested_domain/$requested_domain/g;
847: if ($pro eq 'clear') {
848: $output.=&clear($row,$col);
849: } elsif ($pro eq 'any') {
850: $output.=&secondlevel(
851: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
852: } elsif ($pro eq 'smp') {
853: unless ($adv) {
854: $output.=&secondlevel(
855: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
856: }
857: } elsif ($pro eq 'adv') {
858: if ($adv) {
859: $output.=&secondlevel(
860: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
861: }
862: } elsif (($pro=~/^p(\w+)/) && ($prt)) {
863: if (&Apache::lonnet::allowed($1,$prt)) {
864: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
865: }
866: } elsif ($pro eq 'course') {
867: if ($ENV{'request.course.fn'}) {
868: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
869: }
870: } elsif ($pro =~ /^courseenv_(.*)$/) {
871: my $key = $1;
872: if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$key}) {
873: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
874: }
875: } elsif ($pro =~ /^course_(.*)$/) {
876: # Check for permissions inside of a course
877: if (($ENV{'request.course.id'}) &&
878: (&Apache::lonnet::allowed($1,$ENV{'request.course.id'}.
879: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))
880: )) {
881: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
882: }
883: } elsif ($pro eq 'author') {
884: if ($author) {
885: if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) ||
886: (($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) {
887: # Check that we are on the correct machine
888: my $cadom=$requested_domain;
889: my $caname=$ENV{'user.name'};
890: if ($prt eq 'rca') {
891: ($cadom,$caname)=
892: ($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
893: }
894: $act =~ s/\$caname/$caname/g;
895: my $home = &Apache::lonnet::homeserver($caname,$cadom);
896: my $allowed=0;
897: my @ids=&Apache::lonnet::current_machine_ids();
898: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
899: if ($allowed) {
900: $output.=switch($caname,$cadom,
901: $row,$col,$img,$top,$bot,$act,$desc);
902: }
903: }
904: }
905: }
906: }
907: unless (($ENV{'browser.interface'} eq 'textual') ||
908: ($ENV{'environment.remote'} eq 'off')) {
909: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
910: if (&Apache::lonmsg::newmail()) {
911: $output.='swmenu.setstatus("you have","messages");';
912: }
913: }
914:
915: return $output;
916: }
917:
918: # ======================================================================= Close
919:
920: sub close {
921: if (($ENV{'browser.interface'} eq 'textual') ||
922: ($ENV{'environment.remote'} eq 'off')) { return ''; }
923: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
924: return(<<ENDCLOSE);
925: <script type="text/javascript">
926: window.status='Accessing Remote Control';
927: menu=window.open("/adm/rat/empty.html","$menuname",
928: "height=350,width=150,scrollbars=no,menubar=no");
929: window.status='Disabling Remote Control';
930: menu.active=0;
931: menu.autologout=0;
932: window.status='Closing Remote Control';
933: menu.close();
934: window.status='Done.';
935: </script>
936: ENDCLOSE
937: }
938:
939: # ====================================================================== Footer
940:
941: sub footer {
942:
943: }
944:
945: sub nav_control_js {
946: my $nav=($ENV{'environment.remotenavmap'} eq 'on');
947: return (<<NAVCONTROL);
948: var w_loncapanav_flag="$nav";
949:
950:
951: function gonav(url) {
952: if (w_loncapanav_flag != 1) {
953: gopost(url,'');
954: } else {
955: navwindow=window.open(url,
956: "loncapanav","height=600,width=400,scrollbars=1");
957: }
958: }
959: NAVCONTROL
960: }
961:
962: sub utilityfunctions {
963: my $caller = shift;
964: unless (($ENV{'browser.interface'} eq 'textual') ||
965: ($ENV{'environment.remote'} eq 'off') || ($caller eq '/adm/menu')) { return ''; }
966: my $currenturl=&Apache::lonenc::check_encrypt($ENV{'request.noversionuri'});
967:
968: my $currentsymb=&Apache::lonenc::check_encrypt($ENV{'request.symb'});
969: my $nav_control=&nav_control_js();
970: return (<<ENDUTILITY)
971:
972: var currentURL="$currenturl";
973: var reloadURL="$currenturl";
974: var currentSymb="$currentsymb";
975:
976: $nav_control
977:
978: function go(url) {
979: if (url!='' && url!= null) {
980: currentURL = null;
981: currentSymb= null;
982: window.location.href=url;
983: }
984: }
985:
986: function gopost(url,postdata) {
987: if (url!='') {
988: this.document.server.action=url;
989: this.document.server.postdata.value=postdata;
990: this.document.server.command.value='';
991: this.document.server.url.value='';
992: this.document.server.symb.value='';
993: this.document.server.submit();
994: }
995: }
996:
997: function gocmd(url,cmd) {
998: if (url!='') {
999: this.document.server.action=url;
1000: this.document.server.postdata.value='';
1001: this.document.server.command.value=cmd;
1002: this.document.server.url.value=currentURL;
1003: this.document.server.symb.value=currentSymb;
1004: this.document.server.submit();
1005: }
1006: }
1007:
1008: function gocstr(url,filename) {
1009: if (url == '/adm/cfile?action=delete') {
1010: this.document.cstrdelete.filename.value = filename
1011: this.document.cstrdelete.submit();
1012: return;
1013: }
1014: if (url !='') {
1015: this.document.constspace.filename.value = filename;
1016: this.document.constspace.action = url;
1017: this.document.constspace.submit();
1018: }
1019: }
1020:
1021: function golist(url) {
1022: if (url!='' && url!= null) {
1023: currentURL = null;
1024: currentSymb= null;
1025: top.location.href=url;
1026: }
1027: }
1028:
1029:
1030:
1031: function catalog_info() {
1032: loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
1033: }
1034:
1035: function chat_win() {
1036: lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
1037: }
1038: ENDUTILITY
1039: }
1040:
1041: sub serverform {
1042: return(<<ENDSERVERFORM);
1043:
1044: <form name="server" action="/adm/logout" method="post" target="_top">
1045: <input type="hidden" name="postdata" value="none" />
1046: <input type="hidden" name="command" value="none" />
1047: <input type="hidden" name="url" value="none" />
1048: <input type="hidden" name="symb" value="none" />
1049: </form>
1050: ENDSERVERFORM
1051: }
1052:
1053: sub constspaceform {
1054: return(<<ENDCONSTSPACEFORM);
1055: <form name="constspace" action="/adm/logout" method="post" target="_top">
1056: <input type="hidden" name="filename" value="" />
1057: </form>
1058: <form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
1059: <input type="hidden" name="action" value="delete" />
1060: <input type="hidden" name="filename" value="" />
1061: </form>
1062: ENDCONSTSPACEFORM
1063: }
1064:
1065:
1066: sub get_nav_status {
1067: my $navstatus="swmenu.w_loncapanav_flag=";
1068: if ($ENV{'environment.remotenavmap'} eq 'on') {
1069: $navstatus.="1";
1070: } else {
1071: $navstatus.="-1";
1072: }
1073: return $navstatus;
1074: }
1075:
1076: # ================================================ Handler when called directly
1077:
1078:
1079: sub handler {
1080: my $r = shift;
1081: &Apache::loncommon::content_type($r,'text/html');
1082: $r->send_http_header;
1083: return OK if $r->header_only;
1084:
1085: my $form;
1086: if ($ENV{'environment.remote'} ne 'off' &&
1087: $ENV{'browser.interface'} ne 'textual') {
1088: $form=&serverform();
1089: }
1090: my $bodytag=&Apache::loncommon::bodytag('Main Menu');
1091: my $function='student';
1092: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
1093: $function='coordinator';
1094: }
1095: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
1096: $function='admin';
1097: }
1098: if (($ENV{'request.role'}=~/^(au|ca)/) ||
1099: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
1100: $function='author';
1101: }
1102: my $domain=&Apache::loncommon::determinedomain();
1103: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
1104: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
1105: $font=&Apache::loncommon::designparm($function.'.font',$domain);
1106: my $script_tag;
1107: if ($ENV{'environment.remote'} eq 'on') {
1108: my $utility=&utilityfunctions('/adm/menu');
1109: $script_tag=(<<ENDSCRIPT);
1110: <script type="text/javascript">
1111: $utility
1112: </script>
1113: ENDSCRIPT
1114: }
1115: # ---- Print the screen, pretend to be in text mode to generate text-based menu
1116: unless ($ENV{'browser.interface'} eq 'textual') {
1117: $ENV{'browser.interface'}='faketextual';
1118: $ENV{'environment.remote'}='off';
1119: }
1120: $r->print(<<ENDHEADER);
1121: <html><head>
1122: <title>LON-CAPA Main Menu</title>
1123: $script_tag
1124: </head>
1125: $bodytag
1126: ENDHEADER
1127: $r->print('<table>'.&inlinemenu().'</table>'.$form);
1128: $r->print('</body></html>');
1129: return OK;
1130: }
1131:
1132: # ================================================================ Main Program
1133:
1134: BEGIN {
1135: if (! defined($readdesk)) {
1136: {
1137: my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
1138: if ( CORE::open( my $config,"<$tabfile") ) {
1139: while (my $configline=<$config>) {
1140: $configline=(split(/\#/,$configline))[0];
1141: $configline=~s/^\s+//;
1142: chomp($configline);
1143: if ($configline) {
1144: $desklines[$#desklines+1]=$configline;
1145: }
1146: }
1147: CORE::close($config);
1148: }
1149: }
1150: $readdesk='done';
1151: }
1152: }
1153:
1154: 1;
1155: __END__
1156:
1157:
1158:
1159:
1160:
1161:
1162:
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