1: # The LearningOnline Network with CAPA
2: # Routines to control the menu
3: #
4: # $Id: lonmenu.pm,v 1.134 2004/12/03 06:51:50 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 ($ENV{'request.state'} eq 'construct') {
82: if (($ENV{'request.noversionuri'} eq '') || (!defined($ENV{'request.noversionuri'}))) {
83: my $returnurl = $ENV{'request.filename'};
84: $returnurl =~ s:^/home/([^/]+)/public_html/(.*)$:/priv/$1/$2:;
85: $escurl = &Apache::lonnet::escape($returnurl);
86: }
87: }
88: if ($ENV{'browser.interface'} eq 'textual') {
89: # Textual display only
90: my %lt=&initlittle();
91: $pgbg='#FFFFFF';
92: $tabbg='#FFFFFF';
93: $font='#000000';
94: if ($ENV{'request.course.id'}) {
95: $navmaps=(<<ENDNAV);
96: <a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top">$lt{'nav'}</a>
97: ENDNAV
98: if (($ENV{'request.noversionuri'}=~/^\/adm\//) &&
99: ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
100: ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
101: my $escreload=&Apache::lonnet::escape('return:');
102: $reloadlink=(<<ENDRELOAD);
103: <a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a>
104: ENDRELOAD
105: }
106: }
107: my $form=&serverform();
108: my $utility=&utilityfunctions();
109: my $output=(<<ENDMAINMENU);
110: <script type="text/javascript">
111: // BEGIN LON-CAPA Internal
112: $utility
113: </script>
114: <a href="/adm/menu" target="_top">$lt{'main'}</a>
115: $reloadlink $navmaps<br />
116: <script type="text/javascript">
117: // END LON-CAPA Internal
118: </script>
119: $form
120: ENDMAINMENU
121: if ($registration) { $output.=&innerregister($forcereg,$target); }
122: return $output."<hr />";
123: } elsif ($ENV{'environment.remote'} eq 'off') {
124: # Remote Control is switched off
125: # figure out colors
126: my %lt=&initlittle();
127: my $function='student';
128: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
129: $function='coordinator';
130: }
131: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
132: $function='admin';
133: }
134: if (($ENV{'request.role'}=~/^(au|ca)/) ||
135: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
136: $function='author';
137: }
138: my $domain=&Apache::loncommon::determinedomain();
139: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
140: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
141: $font=&Apache::loncommon::designparm($function.'.font',$domain);
142: my $link=&Apache::loncommon::designparm($function.'.link',$domain);
143: my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
144: my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
145: my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
146: # Do we have a NAV link?
147: if ($ENV{'request.course.id'}) {
148: $navmaps=(<<ENDNAV);
149: <td bgcolor="$tabbg">
150: <a href="javascript:gonav('/adm/navmaps?postdata=$escurl&postsymb=$escsymb')"><font color="$font">$lt{'nav'}</font></a></td>
151: ENDNAV
152: if (($ENV{'request.noversionuri'}=~/^\/adm\//) &&
153: ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
154: ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
155: my $escreload=&Apache::lonnet::escape('return:');
156: $reloadlink=(<<ENDRELOAD);
157: <td bgcolor="$tabbg">
158: <a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a></td>
159: ENDRELOAD
160: }
161: }
162: my $reg='';
163: if ($registration) {
164: $reg=&innerregister($forcereg,$target,$titletable);
165: }
166: my $form=&serverform();
167: my $utility=&utilityfunctions();
168: return (<<ENDINLINEMENU);
169: <script type="text/javascript">
170: // BEGIN LON-CAPA Internal
171: $utility
172: </script>
173: <font face="Arial,Helvetica,sans-serif"><table bgcolor="$pgbg" width="100%" border="0" cellpadding="1" cellspacing="1">
174: <tr>
175: <td bgcolor="$tabbg">
176: <a href="/adm/menu" target="_top"><font color="$font">$lt{'main'}</font></a>
177: </td>
178: $reloadlink
179: $navmaps
180: <td bgcolor="$tabbg">
181: <a href="/adm/remote?action=launch&url=$escurl" target="_top">
182: <font color="$font">$lt{'launch'}</font></a></td>
183: <td bgcolor="$tabbg">
184: <img align="right" src="/adm/lonIcons/minilogo.gif" />
185: <b>LON-CAPA</b></td>
186: $form
187: </tr>
188: </table>
189: </font>
190: <script type="text/javascript">
191: // END LON-CAPA Internal
192: </script>
193: $reg
194: ENDINLINEMENU
195: } else {
196: return '';
197: }
198: }
199:
200: # ====================================== This gets called in the header section
201:
202: sub registerurl {
203: my $forcereg=shift;
204: my $target = shift;
205: my $result = '';
206: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
207: my $force_title='';
208: if ($ENV{'request.state'} eq 'construct') {
209: $force_title=&Apache::lonxml::display_title();
210: }
211: if ($target eq 'edit') {
212: $result .="<script type=\"text/javascript\">\n".
213: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
214: &Apache::loncommon::browser_and_searcher_javascript().
215: "\n</script>\n";
216: }
217: if (($ENV{'browser.interface'} eq 'textual') ||
218: ($ENV{'environment.remote'} eq 'off') ||
219: ((($ENV{'request.publicaccess'}) ||
220: (!&Apache::lonnet::is_on_map(
221: &Apache::lonnet::unescape($ENV{'request.noversionuri'})))) &&
222: (!$forcereg))) {
223: return $result.
224: '<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>'.$force_title;
225: }
226: # Graphical display after login only
227: if ($Apache::lonxml::registered && !$forcereg) { return ''; }
228: if ($target ne 'edit') {
229: $result.=&innerregister($forcereg,$target);
230: }
231: return $result.$force_title;
232: }
233:
234: # =========== This gets called in order to register a URL, both with the Remote
235: # =========== and in the body of the document
236:
237: sub innerregister {
238: my $forcereg=shift;
239: my $target = shift;
240: my $titletable = shift;
241: my $result = '';
242: my ($uname,$thisdisfn);
243: my $const_space = ($ENV{'request.state'} eq 'construct');
244: my $is_const_dir = 0;
245:
246: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
247:
248: $Apache::lonxml::registered=1;
249:
250: my $textinter=($ENV{'browser.interface'} eq 'textual');
251: my $noremote=($ENV{'environment.remote'} eq 'off');
252:
253: my $textual=($textinter || $noremote);
254:
255: @inlineremote=();
256: undef @inlineremote;
257:
258: my $reopen=&Apache::lonmenu::reopenmenu();
259:
260: my $newmail='';
261: if ($noremote) {
262: $newmail='<font face="Arial,Helvetica,sans-serif"><table bgcolor="'.$pgbg.'" border="0" cellspacing="1" cellpadding="1" width="100%"><tr><td bgcolor="'.$tabbg.'">';
263: }
264: if (($textual) && ($ENV{'request.symb'}) && ($ENV{'request.course.id'})) {
265: my ($mapurl,$rid,$resurl)=&Apache::lonnet::decode_symb($ENV{'request.symb'});
266: $newmail.=$ENV{'course.'.$ENV{'request.course.id'}.'.description'};
267: my $maptitle=&Apache::lonnet::gettitle($mapurl);
268: my $restitle=&Apache::lonnet::gettitle($resurl);
269: if ($maptitle && $maptitle ne 'default.sequence') {
270: $newmail.=', '.$maptitle;
271: }
272: if ($restitle) {
273: $newmail.=': '.$restitle;
274: }
275: $newmail.=' ';
276: }
277: if (&Apache::lonmsg::newmail()) {
278: $newmail=($textual?
279: '<b><a href="/adm/communicate" target="_top">You have new messages</a></b><br />':
280: 'swmenu.setstatus("you have","messages");');
281: }
282: if ($ENV{'request.state'} eq 'construct') {
283: $newmail = $titletable;
284: }
285: if ($noremote) {
286: $newmail.='</td></tr></table></font>';
287: }
288: my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
289: 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 />':'');
290: my $tableend=($noremote?'</table></font>':'').($textinter?'<a name="content" />':'');
291: # =============================================================================
292: # ============================ This is for URLs that actually can be registered
293: if (($ENV{'request.noversionuri'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
294: # -- This applies to homework problems for users with grading privileges
295: my $crs='/'.$ENV{'request.course.id'};
296: if ($ENV{'request.course.sec'}) {
297: $crs.='_'.$ENV{'request.course.sec'};
298: }
299: $crs=~s/\_/\//g;
300:
301: my $hwkadd='';
302: if ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
303: if (&Apache::lonnet::allowed('vgr',$crs)) {
304: $hwkadd.=&switch('','',7,1,'subm.gif','view sub-[_1]','missions[_1]',
305: "gocmd('/adm/grades','submission')",
306: 'View user submissions for this assessment resource');
307: }
308: if (&Apache::lonnet::allowed('mgr',$crs)) {
309: $hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_3]',
310: "gocmd('/adm/grades','gradingmenu')",
311: 'Modify user grades for this assessment resource');
312: }
313: }
314: if (&Apache::lonnet::allowed('opa',$crs)) {
315: $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
316: "gocmd('/adm/parmset','set')",
317: 'Modify deadlines, etc, for this resource');
318: }
319: # -- End Homework
320: ###
321: ### Determine whether or not to display the 'cstr' button for this
322: ### resource
323: ###
324: my $editbutton = '';
325: if ($ENV{'user.author'}) {
326: if ($ENV{'request.role'}=~/^(ca|au)/) {
327: # Set defaults for authors
328: my ($top,$bottom) = ('con-','struct');
329: my $action = "go('/priv/".$ENV{'user.name'}."');";
330: my $cadom = $ENV{'request.role.domain'};
331: my $caname = $ENV{'user.name'};
332: my $desc = "Enter my resource construction space";
333: # Set defaults for co-authors
334: if ($ENV{'request.role'} =~ /^ca/) {
335: ($cadom,$caname)=($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
336: ($top,$bottom) = ('co con-','struct');
337: $action = "go('/priv/".$caname."');";
338: $desc = "Enter construction space as co-author";
339: }
340: # Check that we are on the correct machine
341: my $home = &Apache::lonnet::homeserver($caname,$cadom);
342: my $allowed=0;
343: my @ids=&Apache::lonnet::current_machine_ids();
344: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
345: if (!$allowed) {
346: $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
347: }
348: }
349: ##
350: ## Determine if user can edit url.
351: ##
352: my $cfile='';
353: my $cfuname='';
354: my $cfudom='';
355: if ($ENV{'request.filename'}) {
356: my $file=&Apache::lonnet::declutter($ENV{'request.filename'});
357: $file=~s/^(\w+)\/(\w+)/\/priv\/$2/;
358: # Check that the user has permission to edit this resource
359: ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
360: if (defined($cfudom)) {
361: my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
362: my $allowed=0;
363: my @ids=&Apache::lonnet::current_machine_ids();
364: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
365: if ($allowed) {
366: $cfile=$file;
367: }
368: }
369: }
370: # Finally, turn the button on or off
371: if ($cfile && !$const_space) {
372: $editbutton=&switch
373: ('','',6,1,'cstr.gif','edit[_1]','resource[_2]',
374: "go('".$cfile."');","Edit this resource");
375: } elsif ($editbutton eq '') {
376: $editbutton=&clear(6,1);
377: }
378: }
379: ###
380: ###
381: # Prepare the rest of the buttons
382: my $menuitems;
383: if ($const_space) {
384: my ($uname,$thisdisfn) =
385: ($ENV{'request.filename'}=~m|^/home/([^/]+)/public_html/(.*)|);
386: my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
387: if ($currdir =~ m-/$-) {
388: $is_const_dir = 1;
389: } else {
390: $currdir =~ s#[^/]+$##;
391: $menuitems=(<<ENDMENUITEMS);
392: s&6&1&list.gif&list[_1]&dir[_1]&golist('$currdir')&List current directory
393: s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$thisdisfn')&Retrieve old version
394: s&6&3&pub.gif&publish[_1]&resource[_1]&gocstr('/adm/publish','/~$uname/$thisdisfn')&Publish this resource
395: s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$thisdisfn')&Delete this resource
396: s&7&2&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout','/~$uname/$thisdisfn')&Prepare a printable document
397: ENDMENUITEMS
398: }
399: } else {
400: $menuitems=(<<ENDMENUITEMS);
401: c&3&1
402: s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1
403: s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&3
404: c&6&3
405: c&8&1
406: c&8&2
407: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
408: s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&2
409: s&9&3&anot.gif&anno-[_1]&tations[_1]&annotate()&Make notes and annotations about this resource&2
410: ENDMENUITEMS
411: unless ($ENV{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
412: $menuitems.=(<<ENDREALRES);
413: s&6&3&catalog.gif&catalog[_1]&info[_1]&catalog_info()&Show catalog information
414: s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
415: 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
416: ENDREALRES
417: }
418: }
419: my $buttons='';
420: foreach (split(/\n/,$menuitems)) {
421: my ($command,@rest)=split(/\&/,$_);
422: if ($command eq 's') {
423: $buttons.=&switch('','',@rest);
424: } else {
425: $buttons.=&clear(@rest);
426: }
427: }
428: if ($textual) {
429: # Registered, textual output
430: my $inlinebuttons='';
431:
432: if ($ENV{'browser.interface'} eq 'textual') {
433: $inlinebuttons=
434: join('',map { (defined($_)?$_:'') } @inlineremote);
435: } else {
436: $inlinebuttons=(<<ENDINLINE);
437: <tr><td>$inlineremote[21]</td><td> </td><td>$inlineremote[23]</td></tr>
438: <tr><td>$inlineremote[61]</td><td>$inlineremote[62]</td><td>$inlineremote[63]</td></tr>
439: <tr><td>$inlineremote[71]</td><td>$inlineremote[72]</td><td>$inlineremote[73]</td></tr>
440: <tr><td>$inlineremote[81]</td><td>$inlineremote[82]</td><td>$inlineremote[83]</td></tr>
441: <tr><td>$inlineremote[91]</td><td>$inlineremote[92]</td><td>$inlineremote[93]</td></tr>
442: ENDINLINE
443: }
444: if ($const_space && $is_const_dir) {
445: $inlinebuttons = '';
446: }
447: $result =(<<ENDREGTEXT);
448: <script type="text/javascript">
449: // BEGIN LON-CAPA Internal
450: </script>
451: $timesync
452: $newmail
453: $tablestart
454: $inlinebuttons
455: $tableend
456: <script type="text/javascript">
457: // END LON-CAPA Internal
458: </script>
459:
460: ENDREGTEXT
461: # Registered, graphical output
462: } else {
463: my $requri=(split(/\?/,$ENV{'request.noversionuri'}))[0];
464: $requri=&Apache::lonenc::check_encrypt(&Apache::lonnet::unescape($requri));
465: my $cursymb=&Apache::lonenc::check_encrypt($ENV{'request.symb'});
466: my $navstatus=&get_nav_status();
467: $result = (<<ENDREGTHIS);
468:
469: <script type="text/javascript">
470: // BEGIN LON-CAPA Internal
471: var swmenu=null;
472:
473: function LONCAPAreg() {
474: swmenu=$reopen;
475: swmenu.clearTimeout(swmenu.menucltim);
476: $timesync
477: $newmail
478: $buttons
479: swmenu.currentURL="$requri";
480: swmenu.reloadURL=swmenu.currentURL+window.location.search;
481: swmenu.currentSymb="$cursymb";
482: swmenu.reloadSymb="$cursymb";
483: swmenu.currentStale=0;
484: $navstatus
485: $hwkadd
486: $editbutton
487: }
488:
489: function LONCAPAstale() {
490: swmenu=$reopen
491: swmenu.currentStale=1;
492: if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
493: swmenu.switchbutton
494: (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
495: }
496: swmenu.clearbut(7,1);
497: swmenu.clearbut(7,2);
498: swmenu.clearbut(7,3);
499: swmenu.menucltim=swmenu.setTimeout(
500: 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
501: 'clearbut(9,1);clearbut(9,3);clearbut(6,3);clearbut(6,1)',
502: 2000);
503: }
504:
505: // END LON-CAPA Internal
506: </script>
507: ENDREGTHIS
508: }
509: # =============================================================================
510: } else {
511: # ========================================== This can or will not be registered
512: if ($textual) {
513: # Not registered, textual
514: $result= (<<ENDDONOTREGTEXT);
515: ENDDONOTREGTEXT
516: } else {
517: # Not registered, graphical
518: $result = (<<ENDDONOTREGTHIS);
519:
520: <script type="text/javascript">
521: // BEGIN LON-CAPA Internal
522: var swmenu=null;
523:
524: function LONCAPAreg() {
525: swmenu=$reopen
526: $timesync
527: swmenu.currentStale=1;
528: swmenu.clearbut(2,1);
529: swmenu.clearbut(2,3);
530: swmenu.clearbut(8,1);
531: swmenu.clearbut(8,2);
532: swmenu.clearbut(8,3);
533: if (swmenu.currentURL) {
534: swmenu.switchbutton
535: (3,1,'reload.gif','return','location','go(currentURL)');
536: } else {
537: swmenu.clearbut(3,1);
538: }
539: }
540:
541: function LONCAPAstale() {
542: }
543:
544: // END LON-CAPA Internal
545: </script>
546: ENDDONOTREGTHIS
547: }
548: # =============================================================================
549: }
550: return $result;
551: }
552:
553: sub loadevents() {
554: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
555: return 'LONCAPAreg();';
556: }
557:
558: sub unloadevents() {
559: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
560: return 'LONCAPAstale();';
561: }
562:
563: # ============================================================= Start up remote
564:
565: sub startupremote {
566: my ($lowerurl)=@_;
567: if (($ENV{'browser.interface'} eq 'textual') ||
568: ($ENV{'environment.remote'} eq 'off')) {
569: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
570: }
571: #
572: # The Remote actually gets launched!
573: #
574: my $configmenu=&rawconfig();
575: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
576: my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
577: return(<<ENDREMOTESTARTUP);
578: <script type="text/javascript">
579: var timestart;
580: function wheelswitch() {
581: if (typeof(document.wheel) != 'undefined') {
582: if (typeof(document.wheel.spin) != 'undefined') {
583: var date=new Date();
584: var waited=Math.round(30-((date.getTime()-timestart)/1000));
585: document.wheel.spin.value=$message;
586: }
587: }
588: if (window.status=='|') {
589: window.status='/';
590: } else {
591: if (window.status=='/') {
592: window.status='-';
593: } else {
594: if (window.status=='-') {
595: window.status='\\\\';
596: } else {
597: if (window.status=='\\\\') { window.status='|'; }
598: }
599: }
600: }
601: }
602:
603: // ---------------------------------------------------------- The wait function
604: var canceltim;
605: function wait() {
606: if ((menuloaded==1) || (tim==1)) {
607: window.status='Done.';
608: if (tim==0) {
609: clearTimeout(canceltim);
610: $configmenu
611: window.location='$lowerurl';
612: } else {
613: window.location='/adm/remote?action=collapse&url=$esclowerurl';
614: }
615: } else {
616: wheelswitch();
617: setTimeout('wait();',200);
618: }
619: }
620:
621: function main() {
622: canceltim=setTimeout('tim=1;',30000);
623: window.status='-';
624: var date=new Date();
625: timestart=date.getTime();
626: wait();
627: }
628:
629: </script>
630: ENDREMOTESTARTUP
631: }
632:
633: sub setflags() {
634: return(<<ENDSETFLAGS);
635: <script type="text/javascript">
636: menuloaded=0;
637: tim=0;
638: </script>
639: ENDSETFLAGS
640: }
641:
642: sub maincall() {
643: if (($ENV{'browser.interface'} eq 'textual') ||
644: ($ENV{'environment.remote'} eq 'off')) { return ''; }
645: return(<<ENDMAINCALL);
646: <script type="text/javascript">
647: main();
648: </script>
649: ENDMAINCALL
650: }
651:
652: sub load_remote_msg {
653: my ($lowerurl)=@_;
654:
655: if (($ENV{'browser.interface'} eq 'textual') ||
656: ($ENV{'environment.remote'} eq 'off')) { return ''; }
657:
658: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
659: my $link=&mt('<a href="[_1]">Continue</a> on in Inline Menu mode',
660: "/adm/remote?action=collapse?url=$esclowerurl");
661: return(<<ENDREMOTEFORM);
662: <p>
663: <form name="wheel">
664: <input name="spin" type="text" size="60" />
665: </form>
666: </p>
667: <p>$link</p>
668: ENDREMOTEFORM
669: }
670: # ================================================================= Reopen menu
671:
672: sub reopenmenu {
673: if (($ENV{'browser.interface'} eq 'textual') ||
674: ($ENV{'environment.remote'} eq 'off')) { return ''; }
675: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
676: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
677: return('window.open('.$nothing.',"'.$menuname.'","",false);');
678: }
679:
680: # =============================================================== Open the menu
681:
682: sub open {
683: my $returnval='';
684: if (($ENV{'browser.interface'} eq 'textual') ||
685: ($ENV{'environment.remote'} eq 'off')) {
686: return '<script type="text/javascript">self.name="loncapaclient";</script>';
687: }
688: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
689: unless (shift eq 'unix') {
690: # resizing does not work on linux because of virtual desktop sizes
691: $returnval.=(<<ENDRESIZE);
692: if (window.screen) {
693: self.resizeTo(screen.availWidth-215,screen.availHeight-55);
694: self.moveTo(190,15);
695: }
696: ENDRESIZE
697: }
698: $returnval.=(<<ENDOPEN);
699: window.status='Opening LON-CAPA Remote Control';
700: var menu=window.open("/res/adm/pages/menu.html","$menuname",
701: "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
702: self.name='loncapaclient';
703: ENDOPEN
704: return '<script type="text/javascript">'.$returnval.'</script>';
705: }
706:
707:
708: # ================================================================== Raw Config
709:
710: sub clear {
711: my ($row,$col)=@_;
712: unless (($ENV{'browser.interface'} eq 'textual') ||
713: ($ENV{'environment.remote'} eq 'off')) {
714: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
715: } else {
716: $inlineremote[10*$row+$col]='';
717: return '';
718: }
719: }
720:
721: # ============================================ Switch a button or create a link
722: # Switch acts on the javascript that is executed when a button is clicked.
723: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
724:
725: sub switch {
726: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$nobreak)=@_;
727: $act=~s/\$uname/$uname/g;
728: $act=~s/\$udom/$udom/g;
729: $top=&mt($top);
730: $bot=&mt($bot);
731: $desc=&mt($desc);
732: $img=&mt($img);
733: unless (($ENV{'browser.interface'} eq 'textual') ||
734: ($ENV{'environment.remote'} eq 'off')) {
735: # Remote
736: return "\n".
737: qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
738: } elsif ($ENV{'browser.interface'} eq 'textual') {
739: # Accessibility
740: if ($nobreak==2) { return ''; }
741: my $text=$top.' '.$bot;
742: $text=~s/\s*\-\s*//gs;
743: if ($nobreak) {
744: $inlineremote[10*$row+$col]=
745: '<a href="javascript:'.$act.';">'.$text.'</a>';
746: } else {
747: $inlineremote[10*$row+$col]="\n<br />".
748: $desc.' <a href="javascript:'.$act.';">'.$text.'</a>';
749: }
750: } else {
751: # Inline Remote
752: if ($nobreak==2) { return ''; }
753: my $text=$top.' '.$bot;
754: $text=~s/\s*\-\s*//gs;
755:
756: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
757: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
758: my $pic=
759: '<img border="0" alt="'.$text.'" src="http://'.$ENV{'HTTP_HOST'}.
760: ':'.$lonhttpdPort.'/res/adm/pages/'.$img.'" align="'.
761: ($nobreak==3?'right':'left').'" />';
762: if (($ENV{'browser.interface'} eq 'textual') || ($ENV{'browser.interface'} eq 'faketextual')) {
763: # Accessibility
764: if ($nobreak==3) {
765: $inlineremote[10*$row+$col]="\n".
766: '<td width="40%" align="right"><font color="'.$font.'" size="+1">'.$text.
767: '</font></td><td width="10%" align="right" bgcolor="'.$tabbg.'">'.
768: '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
769: } elsif ($nobreak) {
770: $inlineremote[10*$row+$col]="\n<tr>".
771: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
772: '<a href="javascript:'.$act.';">'.$pic.
773: '</a></td><td width="40%" align="left"><font color="'.$font.'" size="+1">'.$text.'</font></td>';
774: } else {
775: $inlineremote[10*$row+$col]="\n<tr>".
776: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
777: '<a href="javascript:'.$act.';">'.$pic.
778: '</a></td><td colspan="3"><font color="'.$font.'">'.$desc.
779: '</font></td></tr>';
780: }
781: } else {
782: # Inline Menu
783: $inlineremote[10*$row+$col]=
784: '<a href="javascript:'.$act.';">'.$pic.
785: '</a><font color="'.$font.'" size="2">'.$desc.
786: '</font>';
787: }
788: }
789: return '';
790: }
791:
792: sub secondlevel {
793: my $output='';
794: my
795: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
796: if ($prt eq 'any') {
797: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
798: } elsif ($prt=~/^r(\w+)/) {
799: if ($rol eq $1) {
800: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
801: }
802: }
803: return $output;
804: }
805:
806: sub openmenu {
807: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
808: if (($ENV{'browser.interface'} eq 'textual') ||
809: ($ENV{'environment.remote'} eq 'off')) { return ''; }
810: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
811: return "window.open(".$nothing.",'".$menuname."');";
812: }
813:
814: sub inlinemenu {
815: @inlineremote=();
816: undef @inlineremote;
817: &rawconfig(1);
818: return join('',map { (defined($_)?$_:'') } @inlineremote);
819: }
820:
821: sub rawconfig {
822: my $textualoverride=shift;
823: my $output='';
824: unless (($ENV{'browser.interface'} eq 'textual') ||
825: ($ENV{'environment.remote'} eq 'off')) {
826: $output.=
827: "window.status='Opening Remote Control';var swmenu=".&openmenu().
828: "\nwindow.status='Configuring Remote Control ';";
829: } else {
830: unless ($textualoverride) { return ''; }
831: }
832: my $uname=$ENV{'user.name'};
833: my $udom=$ENV{'user.domain'};
834: my $adv=$ENV{'user.adv'};
835: my $author=$ENV{'user.author'};
836: my $crs='';
837: if ($ENV{'request.course.id'}) {
838: $crs='/'.$ENV{'request.course.id'};
839: if ($ENV{'request.course.sec'}) {
840: $crs.='_'.$ENV{'request.course.sec'};
841: }
842: $crs=~s/\_/\//g;
843: }
844: my $pub=($ENV{'request.state'} eq 'published');
845: my $con=($ENV{'request.state'} eq 'construct');
846: my $rol=$ENV{'request.role'};
847: my $requested_domain = $ENV{'request.role.domain'};
848: foreach (@desklines) {
849: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
850: $prt=~s/\$uname/$uname/g;
851: $prt=~s/\$udom/$udom/g;
852: $prt=~s/\$crs/$crs/g;
853: $prt=~s/\$requested_domain/$requested_domain/g;
854: if ($pro eq 'clear') {
855: $output.=&clear($row,$col);
856: } elsif ($pro eq 'any') {
857: $output.=&secondlevel(
858: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
859: } elsif ($pro eq 'smp') {
860: unless ($adv) {
861: $output.=&secondlevel(
862: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
863: }
864: } elsif ($pro eq 'adv') {
865: if ($adv) {
866: $output.=&secondlevel(
867: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
868: }
869: } elsif (($pro=~/^p(\w+)/) && ($prt)) {
870: if (&Apache::lonnet::allowed($1,$prt)) {
871: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
872: }
873: } elsif ($pro eq 'course') {
874: if ($ENV{'request.course.fn'}) {
875: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
876: }
877: } elsif ($pro =~ /^courseenv_(.*)$/) {
878: my $key = $1;
879: if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$key}) {
880: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
881: }
882: } elsif ($pro =~ /^course_(.*)$/) {
883: # Check for permissions inside of a course
884: if (($ENV{'request.course.id'}) &&
885: (&Apache::lonnet::allowed($1,$ENV{'request.course.id'}.
886: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))
887: )) {
888: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
889: }
890: } elsif ($pro eq 'author') {
891: if ($author) {
892: if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) ||
893: (($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) {
894: # Check that we are on the correct machine
895: my $cadom=$requested_domain;
896: my $caname=$ENV{'user.name'};
897: if ($prt eq 'rca') {
898: ($cadom,$caname)=
899: ($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
900: }
901: $act =~ s/\$caname/$caname/g;
902: my $home = &Apache::lonnet::homeserver($caname,$cadom);
903: my $allowed=0;
904: my @ids=&Apache::lonnet::current_machine_ids();
905: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
906: if ($allowed) {
907: $output.=switch($caname,$cadom,
908: $row,$col,$img,$top,$bot,$act,$desc);
909: }
910: }
911: }
912: }
913: }
914: unless (($ENV{'browser.interface'} eq 'textual') ||
915: ($ENV{'environment.remote'} eq 'off')) {
916: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
917: if (&Apache::lonmsg::newmail()) {
918: $output.='swmenu.setstatus("you have","messages");';
919: }
920: }
921:
922: return $output;
923: }
924:
925: # ======================================================================= Close
926:
927: sub close {
928: if (($ENV{'browser.interface'} eq 'textual') ||
929: ($ENV{'environment.remote'} eq 'off')) { return ''; }
930: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
931: return(<<ENDCLOSE);
932: <script type="text/javascript">
933: window.status='Accessing Remote Control';
934: menu=window.open("/adm/rat/empty.html","$menuname",
935: "height=350,width=150,scrollbars=no,menubar=no");
936: window.status='Disabling Remote Control';
937: menu.active=0;
938: menu.autologout=0;
939: window.status='Closing Remote Control';
940: menu.close();
941: window.status='Done.';
942: </script>
943: ENDCLOSE
944: }
945:
946: # ====================================================================== Footer
947:
948: sub footer {
949:
950: }
951:
952: sub nav_control_js {
953: my $nav=($ENV{'environment.remotenavmap'} eq 'on');
954: return (<<NAVCONTROL);
955: var w_loncapanav_flag="$nav";
956:
957:
958: function gonav(url) {
959: if (w_loncapanav_flag != 1) {
960: gopost(url,'');
961: } else {
962: navwindow=window.open(url,
963: "loncapanav","height=600,width=400,scrollbars=1");
964: }
965: }
966: NAVCONTROL
967: }
968:
969: sub utilityfunctions {
970: my $caller = shift;
971: unless (($ENV{'browser.interface'} eq 'textual') ||
972: ($ENV{'environment.remote'} eq 'off') || ($caller eq '/adm/menu')) { return ''; }
973: my $currenturl=&Apache::lonenc::check_encrypt($ENV{'request.noversionuri'});
974:
975: my $currentsymb=&Apache::lonenc::check_encrypt($ENV{'request.symb'});
976: my $nav_control=&nav_control_js();
977: return (<<ENDUTILITY)
978:
979: var currentURL="$currenturl";
980: var reloadURL="$currenturl";
981: var currentSymb="$currentsymb";
982:
983: $nav_control
984:
985: function go(url) {
986: if (url!='' && url!= null) {
987: currentURL = null;
988: currentSymb= null;
989: window.location.href=url;
990: }
991: }
992:
993: function gopost(url,postdata) {
994: if (url!='') {
995: this.document.server.action=url;
996: this.document.server.postdata.value=postdata;
997: this.document.server.command.value='';
998: this.document.server.url.value='';
999: this.document.server.symb.value='';
1000: this.document.server.submit();
1001: }
1002: }
1003:
1004: function gocmd(url,cmd) {
1005: if (url!='') {
1006: this.document.server.action=url;
1007: this.document.server.postdata.value='';
1008: this.document.server.command.value=cmd;
1009: this.document.server.url.value=currentURL;
1010: this.document.server.symb.value=currentSymb;
1011: this.document.server.submit();
1012: }
1013: }
1014:
1015: function gocstr(url,filename) {
1016: if (url == '/adm/cfile?action=delete') {
1017: this.document.cstrdelete.filename.value = filename
1018: this.document.cstrdelete.submit();
1019: return;
1020: }
1021: if (url !='') {
1022: this.document.constspace.filename.value = filename;
1023: this.document.constspace.action = url;
1024: this.document.constspace.submit();
1025: }
1026: }
1027:
1028: function golist(url) {
1029: if (url!='' && url!= null) {
1030: currentURL = null;
1031: currentSymb= null;
1032: top.location.href=url;
1033: }
1034: }
1035:
1036:
1037:
1038: function catalog_info() {
1039: loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
1040: }
1041:
1042: function chat_win() {
1043: lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
1044: }
1045: ENDUTILITY
1046: }
1047:
1048: sub serverform {
1049: return(<<ENDSERVERFORM);
1050:
1051: <form name="server" action="/adm/logout" method="post" target="_top">
1052: <input type="hidden" name="postdata" value="none" />
1053: <input type="hidden" name="command" value="none" />
1054: <input type="hidden" name="url" value="none" />
1055: <input type="hidden" name="symb" value="none" />
1056: </form>
1057: ENDSERVERFORM
1058: }
1059:
1060: sub constspaceform {
1061: return(<<ENDCONSTSPACEFORM);
1062: <form name="constspace" action="/adm/logout" method="post" target="_top">
1063: <input type="hidden" name="filename" value="" />
1064: </form>
1065: <form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
1066: <input type="hidden" name="action" value="delete" />
1067: <input type="hidden" name="filename" value="" />
1068: </form>
1069: ENDCONSTSPACEFORM
1070: }
1071:
1072:
1073: sub get_nav_status {
1074: my $navstatus="swmenu.w_loncapanav_flag=";
1075: if ($ENV{'environment.remotenavmap'} eq 'on') {
1076: $navstatus.="1";
1077: } else {
1078: $navstatus.="-1";
1079: }
1080: return $navstatus;
1081: }
1082:
1083: # ================================================ Handler when called directly
1084:
1085:
1086: sub handler {
1087: my $r = shift;
1088: &Apache::loncommon::content_type($r,'text/html');
1089: $r->send_http_header;
1090: return OK if $r->header_only;
1091:
1092: my $form;
1093: if ($ENV{'environment.remote'} ne 'off' &&
1094: $ENV{'browser.interface'} ne 'textual') {
1095: $form=&serverform();
1096: }
1097: my $bodytag=&Apache::loncommon::bodytag('Main Menu');
1098: my $function='student';
1099: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
1100: $function='coordinator';
1101: }
1102: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
1103: $function='admin';
1104: }
1105: if (($ENV{'request.role'}=~/^(au|ca)/) ||
1106: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
1107: $function='author';
1108: }
1109: my $domain=&Apache::loncommon::determinedomain();
1110: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
1111: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
1112: $font=&Apache::loncommon::designparm($function.'.font',$domain);
1113: my $script_tag;
1114: if ($ENV{'environment.remote'} eq 'on') {
1115: my $utility=&utilityfunctions('/adm/menu');
1116: $script_tag=(<<ENDSCRIPT);
1117: <script type="text/javascript">
1118: $utility
1119: </script>
1120: ENDSCRIPT
1121: }
1122: # ---- Print the screen, pretend to be in text mode to generate text-based menu
1123: unless ($ENV{'browser.interface'} eq 'textual') {
1124: $ENV{'browser.interface'}='faketextual';
1125: $ENV{'environment.remote'}='off';
1126: }
1127: $r->print(<<ENDHEADER);
1128: <html><head>
1129: <title>LON-CAPA Main Menu</title>
1130: $script_tag
1131: </head>
1132: $bodytag
1133: ENDHEADER
1134: $r->print('<table>'.&inlinemenu().'</table>'.$form);
1135: $r->print('</body></html>');
1136: return OK;
1137: }
1138:
1139: # ================================================================ Main Program
1140:
1141: BEGIN {
1142: if (! defined($readdesk)) {
1143: {
1144: my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
1145: if ( CORE::open( my $config,"<$tabfile") ) {
1146: while (my $configline=<$config>) {
1147: $configline=(split(/\#/,$configline))[0];
1148: $configline=~s/^\s+//;
1149: chomp($configline);
1150: if ($configline) {
1151: $desklines[$#desklines+1]=$configline;
1152: }
1153: }
1154: CORE::close($config);
1155: }
1156: }
1157: $readdesk='done';
1158: }
1159: }
1160:
1161: 1;
1162: __END__
1163:
1164:
1165:
1166:
1167:
1168:
1169:
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