1: # The LearningOnline Network with CAPA
2: # Routines to control the menu
3: #
4: # $Id: lonmenu.pm,v 1.127 2004/11/11 22:47:55 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: 'launch' => 'Launch Remote Control');
64: }
65:
66: # ============================= This gets called at the top of the body section
67:
68: sub menubuttons {
69: my $forcereg=shift;
70: my $target =shift;
71: my $registration=shift;
72: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
73: ['inhibitmenu']);
74: if ($ENV{'form.inhibitmenu'} eq 'yes') { return ''; }
75:
76: my $navmaps='';
77: my $reloadlink='';
78: my $escurl=&Apache::lonnet::escape(&Apache::lonenc::check_encrypt($ENV{'request.noversionuri'}));
79: my $escsymb=&Apache::lonnet::escape(&Apache::lonenc::check_encrypt($ENV{'request.symb'}));
80: if ($ENV{'browser.interface'} eq 'textual') {
81: # Textual display only
82: my %lt=&initlittle();
83: $pgbg='#FFFFFF';
84: $tabbg='#FFFFFF';
85: $font='#000000';
86: if ($ENV{'request.course.id'}) {
87: $navmaps=(<<ENDNAV);
88: <a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top">$lt{'nav'}</a>
89: ENDNAV
90: if (($ENV{'request.noversionuri'}=~/^\/adm\//) &&
91: ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
92: ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
93: my $escreload=&Apache::lonnet::escape('return:');
94: $reloadlink=(<<ENDRELOAD);
95: <a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a>
96: ENDRELOAD
97: }
98: }
99: my $utility=&utilityfunctions();
100: my $output=(<<ENDMAINMENU);
101: <script>
102: // BEGIN LON-CAPA Internal
103: $utility
104: </script>
105: <a href="/adm/menu" target="_top">$lt{'main'}</a>
106: $reloadlink $navmaps<br />
107: <script>
108: // END LON-CAPA Internal
109: </script>
110: ENDMAINMENU
111: if ($registration) { $output.=&innerregister($forcereg,$target); }
112: return $output."<hr />";
113: } elsif ($ENV{'environment.remote'} eq 'off') {
114: # Remote Control is switched off
115: # figure out colors
116: my %lt=&initlittle();
117: my $function='student';
118: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
119: $function='coordinator';
120: }
121: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
122: $function='admin';
123: }
124: if (($ENV{'request.role'}=~/^(au|ca)/) ||
125: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
126: $function='author';
127: }
128: my $domain=&Apache::loncommon::determinedomain();
129: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
130: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
131: $font=&Apache::loncommon::designparm($function.'.font',$domain);
132: my $link=&Apache::loncommon::designparm($function.'.link',$domain);
133: my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
134: my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
135: my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
136: # Do we have a NAV link?
137: if ($ENV{'request.course.id'}) {
138: $navmaps=(<<ENDNAV);
139: <td bgcolor="$tabbg">
140: <a href="javascript:gonav('/adm/navmaps?postdata=$escurl&postsymb=$escsymb')"><font color="$font">$lt{'nav'}</font></a></td>
141: ENDNAV
142: if (($ENV{'request.noversionuri'}=~/^\/adm\//) &&
143: ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
144: ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
145: my $escreload=&Apache::lonnet::escape('return:');
146: $reloadlink=(<<ENDRELOAD);
147: <td bgcolor="$tabbg">
148: <a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a></td>
149: ENDRELOAD
150: }
151: }
152: my $reg='';
153: if ($registration) {
154: $reg=&innerregister($forcereg,$target);
155: }
156: my $utility=&utilityfunctions();
157: return (<<ENDINLINEMENU);
158: <script>
159: // BEGIN LON-CAPA Internal
160: $utility
161: </script>
162: <font face="Arial,Helvetica,sans-serif"><table bgcolor="$pgbg" width="100%" border="0" cellpadding="1" cellspacing="1">
163: <tr>
164: <td bgcolor="$tabbg">
165: <a href="/adm/menu" target="_top"><font color="$font">$lt{'main'}</font></a>
166: </td>
167: $reloadlink
168: $navmaps
169: <td bgcolor="$tabbg">
170: <a href="/adm/remote?action=launch&url=$escurl" target="_top">
171: <font color="$font">$lt{'launch'}</font></a></td>
172: <td bgcolor="$tabbg">
173: <img align="right" src="/adm/lonIcons/minilogo.gif" />
174: <b>LON-CAPA</b></td>
175: </tr>
176: </table>
177: </font>
178: <script>
179: // END LON-CAPA Internal
180: </script>
181: $reg
182: ENDINLINEMENU
183: } else {
184: return '';
185: }
186: }
187:
188: # ====================================== This gets called in the header section
189:
190: sub registerurl {
191: my $forcereg=shift;
192: my $target = shift;
193: my $result = '';
194: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
195: my $force_title='';
196: if ($ENV{'request.state'} eq 'construct') {
197: $force_title=&Apache::lonxml::display_title();
198: }
199: if ($target eq 'edit') {
200: $result .="<script type=\"text/javascript\">\n".
201: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
202: &Apache::loncommon::browser_and_searcher_javascript().
203: "\n</script>\n";
204: }
205: if (($ENV{'browser.interface'} eq 'textual') ||
206: ($ENV{'environment.remote'} eq 'off') ||
207: ((($ENV{'request.publicaccess'}) ||
208: (!&Apache::lonnet::is_on_map(
209: &Apache::lonnet::unescape($ENV{'request.noversionuri'})))) &&
210: (!$forcereg))) {
211: return $result.
212: '<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>'.$force_title;
213: }
214: # Graphical display after login only
215: if ($Apache::lonxml::registered && !$forcereg) { return ''; }
216: if ($target ne 'edit') {
217: $result.=&innerregister($forcereg,$target);
218: }
219: return $result.$force_title;
220: }
221:
222: # =========== This gets called in order to register a URL, both with the Remote
223: # =========== and in the body of the document
224:
225: sub innerregister {
226: my $forcereg=shift;
227: my $target = shift;
228: my $result = '';
229: my ($uname,$thisdisfn);
230: my $const_space = 0;
231: if ($ENV{'request.filename'} =~ /^\/home\/([^\/]+)\/public_html\/(.*)/) {
232: $const_space = 1;
233: $uname = $1;
234: $thisdisfn = $2;
235: }
236:
237: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
238:
239: $Apache::lonxml::registered=1;
240:
241: my $textinter=($ENV{'browser.interface'} eq 'textual');
242: my $noremote=($ENV{'environment.remote'} eq 'off');
243:
244: my $textual=($textinter || $noremote);
245:
246: @inlineremote=();
247: undef @inlineremote;
248:
249: my $reopen=&Apache::lonmenu::reopenmenu();
250:
251: my $newmail='';
252: if ($noremote) {
253: $newmail='<font face="Arial,Helvetica,sans-serif"><table bgcolor="'.$pgbg.'" border="0" cellspacing="1" cellpadding="1" width="100%"><tr><td bgcolor="'.$tabbg.'">';
254: }
255: if ($textual && $const_space) {
256: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
257: $formaction=~s/\/+/\//g;
258: my $titleinfo = '<form name="dirs" method="post" action="'.$formaction
259: .'" target="_top">'.
260: &Apache::lonhtmlcommon::crumbs($uname.'/'.$thisdisfn,'_top','/priv','','-1').
261: &Apache::lonhtmlcommon::select_recent('construct','recent',
262: 'this.form.action=this.form.recent.value;this.form.submit()').
263: '</form>';
264: &Apache::lonhtmlcommon::store_recent('construct',$formaction,$formaction);
265: $newmail .= &constspaceform();
266: # role and realm
267: my ($role,$realm) = &Apache::lonnet::plaintext((split(/\./,$ENV{'request.role'}))[0]);
268: unless ($realm) { $realm=' '; }
269: $newmail .= <<END;
270: <table width="100%" cellspacing="0" border="0" cellpadding="0">
271: <tr>
272: <td>
273: $titleinfo
274: </td>
275: <td align="right">
276: <font size="2" face="Arial, Helvetica, sans-serif">
277: $ENV{'environment.firstname'}
278: $ENV{'environment.middlename'}
279: $ENV{'environment.lastname'}
280: $ENV{'environment.generation'}
281: </font> <br />
282: <font size="2" face="Arial, Helvetica, sans-serif">$role</font>
283: </td></tr>
284: </table>
285: END
286: }
287: if (($textual) && ($ENV{'request.symb'}) && ($ENV{'request.course.id'})) {
288: my ($mapurl,$rid,$resurl)=&Apache::lonnet::decode_symb($ENV{'request.symb'});
289: $newmail.=$ENV{'course.'.$ENV{'request.course.id'}.'.description'};
290: my $maptitle=&Apache::lonnet::gettitle($mapurl);
291: my $restitle=&Apache::lonnet::gettitle($resurl);
292: if ($maptitle) {
293: $newmail.=', '.$maptitle;
294: }
295: if ($restitle) {
296: $newmail.=': '.$restitle;
297: }
298: $newmail.=' ';
299: }
300: if (&Apache::lonmsg::newmail()) {
301: $newmail=($textual?
302: '<b><a href="/adm/communicate" target="_top">You have new messages</a></b><br />':
303: 'swmenu.setstatus("you have","messages");');
304: }
305: if ($noremote) {
306: $newmail.='</td></tr></table></font>';
307: }
308: my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
309: 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 />':'');
310: my $tableend=($noremote?'</table></font>':'').($textinter?'<a name="content" />':'');
311: # =============================================================================
312: # ============================ This is for URLs that actually can be registered
313: if (($ENV{'request.noversionuri'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
314: # -- This applies to homework problems for users with grading privileges
315: my $crs='/'.$ENV{'request.course.id'};
316: if ($ENV{'request.course.sec'}) {
317: $crs.='_'.$ENV{'request.course.sec'};
318: }
319: $crs=~s/\_/\//g;
320:
321: my $hwkadd='';
322: if ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
323: if (&Apache::lonnet::allowed('vgr',$crs)) {
324: $hwkadd.=&switch('','',7,1,'subm.gif','view sub-[_1]','missions[_1]',
325: "gocmd('/adm/grades','submission')",
326: 'View user submissions for this assessment resource');
327: }
328: if (&Apache::lonnet::allowed('mgr',$crs)) {
329: $hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_3]',
330: "gocmd('/adm/grades','gradingmenu')",
331: 'Modify user grades for this assessment resource');
332: }
333: }
334: if (&Apache::lonnet::allowed('opa',$crs)) {
335: $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
336: "gocmd('/adm/parmset','set')",
337: 'Modify deadlines, etc, for this resource');
338: }
339: # -- End Homework
340: ###
341: ### Determine whether or not to display the 'cstr' button for this
342: ### resource
343: ###
344: my $editbutton = '';
345: if ($ENV{'user.author'}) {
346: if ($ENV{'request.role'}=~/^(ca|au)/) {
347: # Set defaults for authors
348: my ($top,$bottom) = ('con-','struct');
349: my $action = "go('/priv/".$ENV{'user.name'}."');";
350: my $cadom = $ENV{'request.role.domain'};
351: my $caname = $ENV{'user.name'};
352: my $desc = "Enter my resource construction space";
353: # Set defaults for co-authors
354: if ($ENV{'request.role'} =~ /^ca/) {
355: ($cadom,$caname)=($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
356: ($top,$bottom) = ('co con-','struct');
357: $action = "go('/priv/".$caname."');";
358: $desc = "Enter construction space as co-author";
359: }
360: # Check that we are on the correct machine
361: my $home = &Apache::lonnet::homeserver($caname,$cadom);
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: $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
367: }
368: }
369: ##
370: ## Determine if user can edit url.
371: ##
372: my $cfile='';
373: my $cfuname='';
374: my $cfudom='';
375: if ($ENV{'request.filename'}) {
376: my $file=&Apache::lonnet::declutter($ENV{'request.filename'});
377: $file=~s/^(\w+)\/(\w+)/\/priv\/$2/;
378: # Check that the user has permission to edit this resource
379: ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
380: if (defined($cfudom)) {
381: my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
382: my $allowed=0;
383: my @ids=&Apache::lonnet::current_machine_ids();
384: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
385: if ($allowed) {
386: $cfile=$file;
387: }
388: }
389: }
390: # Finally, turn the button on or off
391: if ($cfile && !$const_space) {
392: $editbutton=&switch
393: ('','',6,1,'cstr.gif','edit[_1]','resource[_2]',
394: "go('".$cfile."');","Edit this resource");
395: } elsif ($editbutton eq '') {
396: $editbutton=&clear(6,1);
397: }
398: }
399: ###
400: ###
401: # Prepare the rest of the buttons
402: my $menuitems;
403: if ($const_space) {
404: my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
405: $currdir =~ s#[^/]+$##;
406: $menuitems=(<<ENDMENUITEMS);
407: s&6&1&list.gif&list[_1]&dir[_1]&go('$currdir')&List current directory
408: s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$thisdisfn')&Retreive old version
409: s&6&3&pub.gif&publish[_1]&resource[_1]&gocstr('/adm/publish','/~$uname/$thisdisfn')&Publish this resource
410: s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$thisdisfn')&Delete this resource
411: s&7&2&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout','/~$uname/$thisdisfn')&Prepare a printable document
412: ENDMENUITEMS
413: } else {
414: $menuitems=(<<ENDMENUITEMS);
415: c&3&1
416: s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1
417: s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&3
418: c&6&3
419: c&8&1
420: c&8&2
421: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
422: s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&2
423: s&9&3&anot.gif&anno-[_1]&tations[_1]&annotate()&Make notes and annotations about this resource&2
424: ENDMENUITEMS
425: unless ($ENV{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
426: $menuitems.=(<<ENDREALRES);
427: s&6&3&catalog.gif&catalog[_1]&info[_1]&catalog_info()&Show catalog information
428: s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
429: 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
430: ENDREALRES
431: }
432: }
433: my $buttons='';
434: foreach (split(/\n/,$menuitems)) {
435: my ($command,@rest)=split(/\&/,$_);
436: if ($command eq 's') {
437: $buttons.=&switch('','',@rest);
438: } else {
439: $buttons.=&clear(@rest);
440: }
441: }
442: if ($textual) {
443: # Registered, textual output
444: my $form=&serverform();
445: my $inlinebuttons='';
446:
447: if ($ENV{'browser.interface'} eq 'textual') {
448: $inlinebuttons=
449: join('',map { (defined($_)?$_:'') } @inlineremote);
450: } else {
451: $inlinebuttons=(<<ENDINLINE);
452: <tr><td>$inlineremote[21]</td><td> </td><td>$inlineremote[23]</td></tr>
453: <tr><td>$inlineremote[61]</td><td>$inlineremote[62]</td><td>$inlineremote[63]</td></tr>
454: <tr><td>$inlineremote[71]</td><td>$inlineremote[72]</td><td>$inlineremote[73]</td></tr>
455: <tr><td>$inlineremote[81]</td><td>$inlineremote[82]</td><td>$inlineremote[83]</td></tr>
456: <tr><td>$inlineremote[91]</td><td>$inlineremote[92]</td><td>$inlineremote[93]</td></tr>
457: ENDINLINE
458: }
459: $result =(<<ENDREGTEXT);
460: <script>
461: // BEGIN LON-CAPA Internal
462: </script>
463: $timesync
464: $newmail
465: $tablestart
466: $inlinebuttons
467: $tableend
468: $form
469: <script>
470: // END LON-CAPA Internal
471: </script>
472:
473: ENDREGTEXT
474: # Registered, graphical output
475: } else {
476: my $requri=(split(/\?/,$ENV{'request.noversionuri'}))[0];
477: $requri=&Apache::lonenc::check_encrypt(&Apache::lonnet::unescape($requri));
478: my $cursymb=&Apache::lonenc::check_encrypt($ENV{'request.symb'});
479: my $navstatus=&get_nav_status();
480: $result = (<<ENDREGTHIS);
481:
482: <script language="JavaScript">
483: // BEGIN LON-CAPA Internal
484: var swmenu=null;
485:
486: function LONCAPAreg() {
487: swmenu=$reopen;
488: swmenu.clearTimeout(swmenu.menucltim);
489: $timesync
490: $newmail
491: $buttons
492: swmenu.currentURL="$requri";
493: swmenu.reloadURL=swmenu.currentURL+window.location.search;
494: swmenu.currentSymb="$cursymb";
495: swmenu.reloadSymb="$cursymb";
496: swmenu.currentStale=0;
497: $navstatus
498: $hwkadd
499: $editbutton
500: }
501:
502: function LONCAPAstale() {
503: swmenu=$reopen
504: swmenu.currentStale=1;
505: if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
506: swmenu.switchbutton
507: (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
508: }
509: swmenu.clearbut(7,1);
510: swmenu.clearbut(7,2);
511: swmenu.clearbut(7,3);
512: swmenu.menucltim=swmenu.setTimeout(
513: 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
514: 'clearbut(9,1);clearbut(9,3);clearbut(6,3);clearbut(6,1)',
515: 2000);
516: }
517:
518: // END LON-CAPA Internal
519: </script>
520: ENDREGTHIS
521: }
522: # =============================================================================
523: } else {
524: # ========================================== This can or will not be registered
525: if ($textual) {
526: # Not registered, textual
527: $result= (<<ENDDONOTREGTEXT);
528: ENDDONOTREGTEXT
529: } else {
530: # Not registered, graphical
531: $result = (<<ENDDONOTREGTHIS);
532:
533: <script language="JavaScript">
534: // BEGIN LON-CAPA Internal
535: var swmenu=null;
536:
537: function LONCAPAreg() {
538: swmenu=$reopen
539: $timesync
540: swmenu.currentStale=1;
541: swmenu.clearbut(2,1);
542: swmenu.clearbut(2,3);
543: swmenu.clearbut(8,1);
544: swmenu.clearbut(8,2);
545: swmenu.clearbut(8,3);
546: if (swmenu.currentURL) {
547: swmenu.switchbutton
548: (3,1,'reload.gif','return','location','go(currentURL)');
549: } else {
550: swmenu.clearbut(3,1);
551: }
552: }
553:
554: function LONCAPAstale() {
555: }
556:
557: // END LON-CAPA Internal
558: </script>
559: ENDDONOTREGTHIS
560: }
561: # =============================================================================
562: }
563: return $result;
564: }
565:
566: sub loadevents() {
567: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
568: return 'LONCAPAreg();';
569: }
570:
571: sub unloadevents() {
572: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
573: return 'LONCAPAstale();';
574: }
575:
576: # ============================================================= Start up remote
577:
578: sub startupremote {
579: my ($lowerurl)=@_;
580: if (($ENV{'browser.interface'} eq 'textual') ||
581: ($ENV{'environment.remote'} eq 'off')) {
582: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
583: }
584: #
585: # The Remote actually gets launched!
586: #
587: my $configmenu=&rawconfig();
588: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
589: my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
590: return(<<ENDREMOTESTARTUP);
591: <script>
592: var timestart;
593: function wheelswitch() {
594: if (typeof(document.wheel) != 'undefined') {
595: if (typeof(document.wheel.spin) != 'undefined') {
596: var date=new Date();
597: var waited=Math.round(30-((date.getTime()-timestart)/1000));
598: document.wheel.spin.value=$message;
599: }
600: }
601: if (window.status=='|') {
602: window.status='/';
603: } else {
604: if (window.status=='/') {
605: window.status='-';
606: } else {
607: if (window.status=='-') {
608: window.status='\\\\';
609: } else {
610: if (window.status=='\\\\') { window.status='|'; }
611: }
612: }
613: }
614: }
615:
616: // ---------------------------------------------------------- The wait function
617: var canceltim;
618: function wait() {
619: if ((menuloaded==1) || (tim==1)) {
620: window.status='Done.';
621: if (tim==0) {
622: clearTimeout(canceltim);
623: $configmenu
624: window.location='$lowerurl';
625: } else {
626: window.location='/adm/remote?action=collapse&url=$esclowerurl';
627: }
628: } else {
629: wheelswitch();
630: setTimeout('wait();',200);
631: }
632: }
633:
634: function main() {
635: canceltim=setTimeout('tim=1;',30000);
636: window.status='-';
637: var date=new Date();
638: timestart=date.getTime();
639: wait();
640: }
641:
642: </script>
643: ENDREMOTESTARTUP
644: }
645:
646: sub setflags() {
647: return(<<ENDSETFLAGS);
648: <script>
649: menuloaded=0;
650: tim=0;
651: </script>
652: ENDSETFLAGS
653: }
654:
655: sub maincall() {
656: if (($ENV{'browser.interface'} eq 'textual') ||
657: ($ENV{'environment.remote'} eq 'off')) { return ''; }
658: return(<<ENDMAINCALL);
659: <script>
660: main();
661: </script>
662: ENDMAINCALL
663: }
664:
665: sub load_remote_msg {
666: my ($lowerurl)=@_;
667:
668: if (($ENV{'browser.interface'} eq 'textual') ||
669: ($ENV{'environment.remote'} eq 'off')) { return ''; }
670:
671: my $esclowerurl=&Apache::lonnet::escape($lowerurl);
672: my $link=&mt('<a href="[_1]">Continue</a> on in Inline Menu mode',
673: "/adm/remote?action=collapse?url=$esclowerurl");
674: return(<<ENDREMOTEFORM);
675: <p>
676: <form name="wheel">
677: <input name="spin" type="text" size="60" />
678: </form>
679: </p>
680: <p>$link</p>
681: ENDREMOTEFORM
682: }
683: # ================================================================= Reopen menu
684:
685: sub reopenmenu {
686: if (($ENV{'browser.interface'} eq 'textual') ||
687: ($ENV{'environment.remote'} eq 'off')) { return ''; }
688: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
689: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
690: return('window.open('.$nothing.',"'.$menuname.'","",false);');
691: }
692:
693: # =============================================================== Open the menu
694:
695: sub open {
696: my $returnval='';
697: if (($ENV{'browser.interface'} eq 'textual') ||
698: ($ENV{'environment.remote'} eq 'off')) {
699: return '<script type="text/javascript">self.name="loncapaclient";</script>';
700: }
701: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
702: unless (shift eq 'unix') {
703: # resizing does not work on linux because of virtual desktop sizes
704: $returnval.=(<<ENDRESIZE);
705: if (window.screen) {
706: self.resizeTo(screen.availWidth-215,screen.availHeight-55);
707: self.moveTo(190,15);
708: }
709: ENDRESIZE
710: }
711: $returnval.=(<<ENDOPEN);
712: window.status='Opening LON-CAPA Remote Control';
713: var menu=window.open("/res/adm/pages/menu.html","$menuname",
714: "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
715: self.name='loncapaclient';
716: ENDOPEN
717: return '<script>'.$returnval.'</script>';
718: }
719:
720:
721: # ================================================================== Raw Config
722:
723: sub clear {
724: my ($row,$col)=@_;
725: unless (($ENV{'browser.interface'} eq 'textual') ||
726: ($ENV{'environment.remote'} eq 'off')) {
727: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
728: } else {
729: $inlineremote[10*$row+$col]='';
730: return '';
731: }
732: }
733:
734: # ============================================ Switch a button or create a link
735: # Switch acts on the javascript that is executed when a button is clicked.
736: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
737:
738: sub switch {
739: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$nobreak)=@_;
740: $act=~s/\$uname/$uname/g;
741: $act=~s/\$udom/$udom/g;
742: $top=&mt($top);
743: $bot=&mt($bot);
744: $desc=&mt($desc);
745: $img=&mt($img);
746: unless (($ENV{'browser.interface'} eq 'textual') ||
747: ($ENV{'environment.remote'} eq 'off')) {
748: # Remote
749: return "\n".
750: qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
751: } elsif ($ENV{'browser.interface'} eq 'textual') {
752: # Accessibility
753: if ($nobreak==2) { return ''; }
754: my $text=$top.' '.$bot;
755: $text=~s/\s*\-\s*//gs;
756: if ($nobreak) {
757: $inlineremote[10*$row+$col]=
758: '<a href="javascript:'.$act.';">'.$text.'</a>';
759: } else {
760: $inlineremote[10*$row+$col]="\n<br />".
761: $desc.' <a href="javascript:'.$act.';">'.$text.'</a>';
762: }
763: } else {
764: # Inline Remote
765: if ($nobreak==2) { return ''; }
766: my $text=$top.' '.$bot;
767: $text=~s/\s*\-\s*//gs;
768:
769: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
770: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
771: my $pic=
772: '<img border="0" alt="'.$text.'" src="http://'.$ENV{'HTTP_HOST'}.
773: ':'.$lonhttpdPort.'/res/adm/pages/'.$img.'" align="'.
774: ($nobreak==3?'right':'left').'" />';
775: if (($ENV{'browser.interface'} eq 'textual') || ($ENV{'browser.interface'} eq 'faketextual')) {
776: # Accessibility
777: if ($nobreak==3) {
778: $inlineremote[10*$row+$col]="\n".
779: '<td width="40%" align="right"><font color="'.$font.'" size="+1">'.$text.
780: '</font></td><td width="10%" align="right" bgcolor="'.$tabbg.'">'.
781: '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
782: } elsif ($nobreak) {
783: $inlineremote[10*$row+$col]="\n<tr>".
784: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
785: '<a href="javascript:'.$act.';">'.$pic.
786: '</a></td><td width="40%" align="left"><font color="'.$font.'" size="+1">'.$text.'</font></td>';
787: } else {
788: $inlineremote[10*$row+$col]="\n<tr>".
789: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
790: '<a href="javascript:'.$act.';">'.$pic.
791: '</a></td><td colspan="3"><font color="'.$font.'">'.$desc.
792: '</font></td></tr>';
793: }
794: } else {
795: # Inline Menu
796: $inlineremote[10*$row+$col]=
797: '<a href="javascript:'.$act.';">'.$pic.
798: '</a><font color="'.$font.'" size="2">'.$desc.
799: '</font>';
800: }
801: }
802: return '';
803: }
804:
805: sub secondlevel {
806: my $output='';
807: my
808: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
809: if ($prt eq 'any') {
810: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
811: } elsif ($prt=~/^r(\w+)/) {
812: if ($rol eq $1) {
813: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
814: }
815: }
816: return $output;
817: }
818:
819: sub openmenu {
820: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
821: if (($ENV{'browser.interface'} eq 'textual') ||
822: ($ENV{'environment.remote'} eq 'off')) { return ''; }
823: my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
824: return "window.open(".$nothing.",'".$menuname."');";
825: }
826:
827: sub inlinemenu {
828: @inlineremote=();
829: undef @inlineremote;
830: &rawconfig(1);
831: return join('',map { (defined($_)?$_:'') } @inlineremote);
832: }
833:
834: sub rawconfig {
835: my $textualoverride=shift;
836: my $output='';
837: unless (($ENV{'browser.interface'} eq 'textual') ||
838: ($ENV{'environment.remote'} eq 'off')) {
839: $output.=
840: "window.status='Opening Remote Control';var swmenu=".&openmenu().
841: "\nwindow.status='Configuring Remote Control ';";
842: } else {
843: unless ($textualoverride) { return ''; }
844: }
845: my $uname=$ENV{'user.name'};
846: my $udom=$ENV{'user.domain'};
847: my $adv=$ENV{'user.adv'};
848: my $author=$ENV{'user.author'};
849: my $crs='';
850: if ($ENV{'request.course.id'}) {
851: $crs='/'.$ENV{'request.course.id'};
852: if ($ENV{'request.course.sec'}) {
853: $crs.='_'.$ENV{'request.course.sec'};
854: }
855: $crs=~s/\_/\//g;
856: }
857: my $pub=($ENV{'request.state'} eq 'published');
858: my $con=($ENV{'request.state'} eq 'construct');
859: my $rol=$ENV{'request.role'};
860: my $requested_domain = $ENV{'request.role.domain'};
861: foreach (@desklines) {
862: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
863: $prt=~s/\$uname/$uname/g;
864: $prt=~s/\$udom/$udom/g;
865: $prt=~s/\$crs/$crs/g;
866: $prt=~s/\$requested_domain/$requested_domain/g;
867: if ($pro eq 'clear') {
868: $output.=&clear($row,$col);
869: } elsif ($pro eq 'any') {
870: $output.=&secondlevel(
871: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
872: } elsif ($pro eq 'smp') {
873: unless ($adv) {
874: $output.=&secondlevel(
875: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
876: }
877: } elsif ($pro eq 'adv') {
878: if ($adv) {
879: $output.=&secondlevel(
880: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
881: }
882: } elsif (($pro=~/^p(\w+)/) && ($prt)) {
883: if (&Apache::lonnet::allowed($1,$prt)) {
884: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
885: }
886: } elsif ($pro eq 'course') {
887: if ($ENV{'request.course.fn'}) {
888: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
889: }
890: } elsif ($pro =~ /^courseenv_(.*)$/) {
891: my $key = $1;
892: if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$key}) {
893: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
894: }
895: } elsif ($pro =~ /^course_(.*)$/) {
896: # Check for permissions inside of a course
897: if (($ENV{'request.course.id'}) &&
898: (&Apache::lonnet::allowed($1,$ENV{'request.course.id'}.
899: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))
900: )) {
901: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
902: }
903: } elsif ($pro eq 'author') {
904: if ($author) {
905: if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) ||
906: (($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) {
907: # Check that we are on the correct machine
908: my $cadom=$requested_domain;
909: my $caname=$ENV{'user.name'};
910: if ($prt eq 'rca') {
911: ($cadom,$caname)=
912: ($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
913: }
914: $act =~ s/\$caname/$caname/g;
915: my $home = &Apache::lonnet::homeserver($caname,$cadom);
916: my $allowed=0;
917: my @ids=&Apache::lonnet::current_machine_ids();
918: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
919: if ($allowed) {
920: $output.=switch($caname,$cadom,
921: $row,$col,$img,$top,$bot,$act,$desc);
922: }
923: }
924: }
925: }
926: }
927: unless (($ENV{'browser.interface'} eq 'textual') ||
928: ($ENV{'environment.remote'} eq 'off')) {
929: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
930: if (&Apache::lonmsg::newmail()) {
931: $output.='swmenu.setstatus("you have","messages");';
932: }
933: }
934:
935: return $output;
936: }
937:
938: # ======================================================================= Close
939:
940: sub close {
941: if (($ENV{'browser.interface'} eq 'textual') ||
942: ($ENV{'environment.remote'} eq 'off')) { return ''; }
943: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
944: return(<<ENDCLOSE);
945: <script>
946: window.status='Accessing Remote Control';
947: menu=window.open("/adm/rat/empty.html","$menuname",
948: "height=350,width=150,scrollbars=no,menubar=no");
949: window.status='Disabling Remote Control';
950: menu.active=0;
951: menu.autologout=0;
952: window.status='Closing Remote Control';
953: menu.close();
954: window.status='Done.';
955: </script>
956: ENDCLOSE
957: }
958:
959: # ====================================================================== Footer
960:
961: sub footer {
962:
963: }
964:
965: sub nav_control_js {
966: my $nav=($ENV{'environment.remotenavmap'} eq 'on');
967: return (<<NAVCONTROL);
968: var w_loncapanav_flag="$nav";
969:
970:
971: function gonav(url) {
972: if (w_loncapanav_flag != 1) {
973: gopost(url,'');
974: } else {
975: navwindow=window.open(url,
976: "loncapanav","height=600,width=400,scrollbars=1");
977: }
978: }
979: NAVCONTROL
980: }
981:
982: sub utilityfunctions {
983: unless (($ENV{'browser.interface'} eq 'textual') ||
984: ($ENV{'environment.remote'} eq 'off')) { return ''; }
985: my $currenturl=&Apache::lonenc::check_encrypt($ENV{'request.noversionuri'});
986:
987: my $currentsymb=&Apache::lonenc::check_encrypt($ENV{'request.symb'});
988: my $nav_control=&nav_control_js();
989: return (<<ENDUTILITY)
990:
991: var currentURL="$currenturl";
992: var reloadURL="$currenturl";
993: var currentSymb="$currentsymb";
994:
995: $nav_control
996:
997: function go(url) {
998: if (url!='' && url!= null) {
999: currentURL = null;
1000: currentSymb= null;
1001: window.location.href=url;
1002: }
1003: }
1004:
1005: function gopost(url,postdata) {
1006: if (url!='') {
1007: this.document.server.action=url;
1008: this.document.server.postdata.value=postdata;
1009: this.document.server.command.value='';
1010: this.document.server.url.value='';
1011: this.document.server.symb.value='';
1012: this.document.server.submit();
1013: }
1014: }
1015:
1016: function gocmd(url,cmd) {
1017: if (url!='') {
1018: this.document.server.action=url;
1019: this.document.server.postdata.value='';
1020: this.document.server.command.value=cmd;
1021: this.document.server.url.value=currentURL;
1022: this.document.server.symb.value=currentSymb;
1023: this.document.server.submit();
1024: }
1025: }
1026:
1027: function gocstr(url,filename) {
1028: if (url == '/adm/cfile?action=delete') {
1029: this.document.cstrdelete.filename.value = filename
1030: this.document.cstrdelete.submit();
1031: return;
1032: }
1033: if (url !='') {
1034: this.document.constspace.filename.value = filename;
1035: this.document.constspace.action = url;
1036: this.document.constspace.submit();
1037: }
1038: }
1039:
1040:
1041: function catalog_info() {
1042: loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
1043: }
1044:
1045: function chat_win() {
1046: lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
1047: }
1048: ENDUTILITY
1049: }
1050:
1051: sub serverform {
1052: return(<<ENDSERVERFORM);
1053:
1054: <form name="server" action="/adm/logout" method="post" target="_top">
1055: <input type="hidden" name="postdata" value="none" />
1056: <input type="hidden" name="command" value="none" />
1057: <input type="hidden" name="url" value="none" />
1058: <input type="hidden" name="symb" value="none" />
1059: </form>
1060: ENDSERVERFORM
1061: }
1062:
1063: sub constspaceform {
1064: return(<<ENDCONSTSPACEFORM);
1065: <form name="constspace" action="/adm/logout" method="post" target="_top">
1066: <input type="hidden" name="filename" value="" />
1067: </form>
1068: <form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
1069: <input type="hidden" name="action" value="delete" />
1070: <input type="hidden" name="filename" value="" />
1071: </form>
1072: ENDCONSTSPACEFORM
1073: }
1074:
1075:
1076: sub get_nav_status {
1077: my $navstatus="swmenu.w_loncapanav_flag=";
1078: if ($ENV{'environment.remotenavmap'} eq 'on') {
1079: $navstatus.="1";
1080: } else {
1081: $navstatus.="-1";
1082: }
1083: return $navstatus;
1084: }
1085:
1086: # ================================================ Handler when called directly
1087:
1088:
1089: sub handler {
1090: my $r = shift;
1091: &Apache::loncommon::content_type($r,'text/html');
1092: $r->send_http_header;
1093: return OK if $r->header_only;
1094:
1095: my $form=&serverform();
1096: my $bodytag=&Apache::loncommon::bodytag('Main Menu');
1097: my $function='student';
1098: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
1099: $function='coordinator';
1100: }
1101: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
1102: $function='admin';
1103: }
1104: if (($ENV{'request.role'}=~/^(au|ca)/) ||
1105: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
1106: $function='author';
1107: }
1108: my $domain=&Apache::loncommon::determinedomain();
1109: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
1110: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
1111: $font=&Apache::loncommon::designparm($function.'.font',$domain);
1112: # ---- Print the screen, pretent to be in text mode to generate text-based menu
1113: unless ($ENV{'browser.interface'} eq 'textual') {
1114: $ENV{'browser.interface'}='faketextual';
1115: $ENV{'environment.remote'}='off';
1116: }
1117: $r->print(<<ENDHEADER);
1118: <html><head>
1119: <title>LON-CAPA Main Menu</title>
1120: </head>
1121: $bodytag
1122: ENDHEADER
1123: $r->print('<table>'.&inlinemenu().'</table>'.$form);
1124: $r->print('</body></html>');
1125: return OK;
1126: }
1127:
1128: # ================================================================ Main Program
1129:
1130: BEGIN {
1131: if (! defined($readdesk)) {
1132: {
1133: my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
1134: if ( CORE::open( my $config,"<$tabfile") ) {
1135: while (my $configline=<$config>) {
1136: $configline=(split(/\#/,$configline))[0];
1137: $configline=~s/^\s+//;
1138: chomp($configline);
1139: if ($configline) {
1140: $desklines[$#desklines+1]=$configline;
1141: }
1142: }
1143: CORE::close($config);
1144: }
1145: }
1146: $readdesk='done';
1147: }
1148: }
1149:
1150: 1;
1151: __END__
1152:
1153:
1154:
1155:
1156:
1157:
1158:
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