Annotation of loncom/interface/lonmenu.pm, revision 1.46
1.1 www 1: # The LearningOnline Network with CAPA
2: # Routines to control the menu
3: #
1.46 ! www 4: # $Id: lonmenu.pm,v 1.45 2003/03/03 13:03:58 www Exp $
1.11 albertel 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: #
1.1 www 28: # (TeX Conversion Module
29: #
30: # 05/29/00,05/30 Gerd Kortemeyer)
31: #
1.8 www 32: # 10/05,05/28,05/30,06/01,06/08,06/09,07/04,08/07 Gerd Kortemeyer
1.17 matthew 33: # 02/15/02 Matthew Hall
1.1 www 34:
35: package Apache::lonmenu;
36:
37: use strict;
1.2 www 38: use Apache::lonnet;
1.33 www 39: use Apache::Constants qw(:common);
40: use Apache::loncommon;
1.2 www 41: use Apache::File;
42: use vars qw(@desklines $readdesk);
1.38 www 43:
1.40 www 44: # ============================= This gets called at the top of the body section
1.38 www 45:
46: sub menubuttons {
47: my $forcereg=shift;
48: my $target =shift;
1.40 www 49: my $registration=shift;
1.38 www 50: unless ($ENV{'browser.interface'} eq 'textual') { return ''; }
1.41 www 51: # Textual display only
1.44 www 52: my $output=(<<ENDMAINMENU);
53: <script>
54: // BEGIN LON-CAPA Internal
55: </script>
56: <a href="/adm/menu" target="_top">Main Menu</a><br />
57: <script>
58: // END LON-CAPA Internal
59: </script>
60: ENDMAINMENU
1.40 www 61: if ($registration) { $output.=&innerregister($forcereg,$target); }
1.39 www 62: return $output."<hr />";
1.38 www 63: }
64:
1.40 www 65: # ====================================== This gets called in the header section
1.38 www 66:
67: sub registerurl {
68: my $forcereg=shift;
69: my $target = shift;
70: my $result = '';
71:
72: if ($target eq 'edit') {
1.45 www 73: $result .="<script type=\"text/javascript\">\n".
1.38 www 74: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
75: &Apache::loncommon::browser_and_searcher_javascript().
76: "\n</script>\n";
77: }
78: if (($ENV{'browser.interface'} eq 'textual') ||
79: ((($ENV{'request.publicaccess'}) ||
80: (!&Apache::lonnet::is_on_map($ENV{'REQUEST_URI'}))) &&
81: (!$forcereg))) {
82: return $result.
83: '<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>';
84: }
1.41 www 85: # Graphical display after login only
1.38 www 86: if ($Apache::lonxml::registered && !$forcereg) { return ''; }
1.40 www 87: $result.=&innerregister($forcereg,$target);
88: return $result;
89: }
90:
91: # =========== This gets called in order to register a URL, both with the Remote
92: # =========== and in the body of the document
93:
94: sub innerregister {
95: my $forcereg=shift;
96: my $target = shift;
97: my $result = '';
98:
1.38 www 99: $Apache::lonxml::registered=1;
1.40 www 100:
101: my $textual=($ENV{'browser.interface'} eq 'textual');
1.38 www 102: my $reopen=&Apache::lonmenu::reopenmenu();
1.40 www 103:
1.38 www 104: my $newmail='';
105: if (&Apache::lonmsg::newmail()) {
1.41 www 106: $newmail=($textual?
107: '<b><a href="/adm/communicate">You have new messages</a></b><br />':
1.40 www 108: 'swmenu.setstatus("you have","messages");');
1.38 www 109: }
1.40 www 110: my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
1.41 www 111: # =============================================================================
112: # ============================ This is for URLs that actually can be registered
1.38 www 113: if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
1.40 www 114: # -- This applies to homework problems for users with grading privileges
1.38 www 115: my $hwkadd='';
1.40 www 116: if
117: ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
1.38 www 118: if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
1.40 www 119: $hwkadd.=&switch('','',7,1,'subm.gif','view sub','missions',
120: "gocmd('/adm/grades','submission')",
121: 'View user submissions for this assessment resource');
1.38 www 122: }
123: if (&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) {
1.40 www 124: $hwkadd.=&switch('','',7,2,'pgrd.gif','problem','grades',
125: "gocmd('/adm/grades','gradingmenu')",
126: 'Modify user grades for this assessment resource');
1.38 www 127: }
128: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
1.40 www 129: $hwkadd.=&switch('','',7,3,'pparm.gif','problem','parms',
130: "gocmd('/adm/parmset','set')",
131: 'Modify deadlines, etc, for this assessment resource');
1.38 www 132: }
133: }
1.40 www 134: # -- End Homework
1.38 www 135: ###
136: ### Determine whether or not to display the 'cstr' button for this
137: ### resource
138: ###
139: my $editbutton = '';
140: if ($ENV{'user.author'}) {
141: if ($ENV{'request.role'}=~/^(ca|au)/) {
142: # Set defaults for authors
143: my ($top,$bottom) = ('con-','struct');
144: my $action = "go('/priv/".$ENV{'user.name'}."');";
145: my $cadom = $ENV{'request.role.domain'};
146: my $caname = $ENV{'user.name'};
147: my $desc = "Enter my resource construction space";
148: # Set defaults for co-authors
149: if ($ENV{'request.role'} =~ /^ca/) {
150: ($cadom,$caname)=($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
151: ($top,$bottom) = ('co con-','struct');
152: $action = "go('/priv/".$caname."');";
153: $desc = "Enter construction space as co-author";
154: }
155: # Check that we are on the correct machine
156: my $home = &Apache::lonnet::homeserver($caname,$cadom);
157: if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
1.40 www 158: $editbutton=&switch
1.38 www 159: ('','',6,1,$top,,$bottom,$action,$desc);
160: }
161: }
162: ##
163: ## Determine if user can edit url.
164: ##
165: my $cfile='';
166: my $cfuname='';
167: my $cfudom='';
168: if ($ENV{'request.filename'}) {
169: my $file=&Apache::lonnet::declutter($ENV{'request.filename'});
170: $file=~s/^(\w+)\/(\w+)/\/priv\/$2/;
171: # Chech that the user has permission to edit this resource
172: ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
173: if (defined($cfudom)) {
174: if (&Apache::lonnet::homeserver($cfuname,$cfudom)
175: eq $Apache::lonnet::perlvar{'lonHostID'}) {
176: $cfile=$file;
177: }
178: }
179: }
180: # Finally, turn the button on or off
181: if ($cfile) {
1.40 www 182: $editbutton=&switch
1.38 www 183: ('','',6,1,'cstr.gif','edit','resource',
184: "go('".$cfile."');","Edit this resource");
185: } elsif ($editbutton eq '') {
1.40 www 186: $editbutton=&clear(6,1);
1.38 www 187: }
188: }
189: ###
190: ###
1.41 www 191: # Prepare the rest of the buttons
192: my $menuitems=(<<ENDMENUITEMS);
193: c&3&1
194: s&2&1&back.gif&backward&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1
195: s&2&3&forw.gif&forward&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&1
196: s&6&3&catalog.gif&catalog&info&catalog_info()&Show catalog information
197: s&8&1&eval.gif&evaluate&this&gopost('/adm/evaluate',currentURL)&Provide my evaluation of this resource
198: s&8&2&fdbk.gif&feedback&discuss&gopost('/adm/feedback',currentURL)&Provide feedback messages or contribute to the course discussion about this resource
199: s&8&3&prt.gif&prepare&printout&gopost('/adm/printout',currentURL)&Prepare a printable document
200: s&9&1&sbkm.gif&set&bookmark&set_bookmark()&Set a bookmark for this resource&2
201: s&9&2&vbkm.gif&view&bookmark&edit_bookmarks()&Use or edit my bookmark collection&2
202: s&9&3&anot.gif&anno-&tations&annotate()&Make notes and annotations about this resource&2
203: ENDMENUITEMS
204: my $buttons='';
205: foreach (split(/\n/,$menuitems)) {
206: my ($command,@rest)=split(/\&/,$_);
207: if ($command eq 's') {
208: $buttons.=&switch('','',@rest);
209: } else {
210: $buttons.=&clear(@rest);
211: }
212: }
213: if ($textual) {
214: # Registered, textual output
1.42 www 215: my $utility=&utilityfunctions();
216: my $form=&serverform();
1.41 www 217: $result =(<<ENDREGTEXT);
1.42 www 218: <script>
219: // BEGIN LON-CAPA Internal
220: $utility
221: </script>
1.41 www 222: $timesync
223: $newmail
224: $buttons
225: $hwkadd
226: $editbutton
1.42 www 227: $form
228: <script>
229: //END LON-CAPA Internal
230: </script>
231:
1.41 www 232: ENDREGTEXT
233: # Registered, graphical output
234: } else {
235: $result = (<<ENDREGTHIS);
1.38 www 236:
237: <script language="JavaScript">
238: // BEGIN LON-CAPA Internal
1.42 www 239: var swmenu=null;
1.38 www 240:
241: function LONCAPAreg() {
242: swmenu=$reopen;
243: swmenu.clearTimeout(swmenu.menucltim);
244: $timesync
245: $newmail
1.41 www 246: $buttons
1.38 www 247: swmenu.currentURL=window.location.pathname;
1.46 ! www 248: swmenu.reloadURL=window.location.pathname+window.location.search;
1.38 www 249: swmenu.currentSymb="$ENV{'request.symb'}";
250: swmenu.reloadSymb="$ENV{'request.symb'}";
251: swmenu.currentStale=0;
252: $hwkadd
253: $editbutton
254: }
255:
256: function LONCAPAstale() {
257: swmenu=$reopen
258: swmenu.currentStale=1;
259: if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
260: swmenu.switchbutton
261: (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
262: }
263: swmenu.clearbut(7,1);
264: swmenu.clearbut(7,2);
265: swmenu.clearbut(7,3);
266: swmenu.menucltim=swmenu.setTimeout(
267: 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
268: 'clearbut(9,1);clearbut(9,2);clearbut(9,3);clearbut(6,3);clearbut(6,1)',
269: 2000);
270:
271: }
272:
273: // END LON-CAPA Internal
274: </script>
275: ENDREGTHIS
1.41 www 276: }
277: # =============================================================================
1.38 www 278: } else {
1.41 www 279: # ========================================== This can or will not be registered
280: if ($textual) {
281: # Not registered, textual
282: $result= (<<ENDDONOTREGTEXT);
283: ENDDONOTREGTEXT
284: } else {
285: # Not registered, graphical
286: $result = (<<ENDDONOTREGTHIS);
1.38 www 287:
288: <script language="JavaScript">
289: // BEGIN LON-CAPA Internal
1.42 www 290: var swmenu=null;
1.38 www 291:
292: function LONCAPAreg() {
293: swmenu=$reopen
294: $timesync
295: swmenu.currentStale=1;
296: swmenu.clearbut(2,1);
297: swmenu.clearbut(2,3);
298: swmenu.clearbut(8,1);
299: swmenu.clearbut(8,2);
300: swmenu.clearbut(8,3);
301: if (swmenu.currentURL) {
302: swmenu.switchbutton
303: (3,1,'reload.gif','return','location','go(currentURL)');
304: } else {
305: swmenu.clearbut(3,1);
306: }
307: }
308:
309: function LONCAPAstale() {
310: }
311:
312: // END LON-CAPA Internal
313: </script>
314: ENDDONOTREGTHIS
1.41 www 315: }
316: # =============================================================================
1.38 www 317: }
318: return $result;
319: }
320:
321: sub loadevents() {
322: return 'LONCAPAreg();';
323: }
324:
325: sub unloadevents() {
326: return 'LONCAPAstale();';
327: }
1.30 www 328:
1.32 www 329: # ============================================================= Start up remote
330:
331: sub startupremote {
332: my ($lowerurl)=@_;
1.34 www 333: if ($ENV{'browser.interface'} eq 'textual') {
334: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
335: }
1.32 www 336: my $configmenu=&rawconfig();
337: return(<<ENDREMOTESTARTUP);
338: <script>
339:
1.35 www 340: function wheelswitch() {
341: if (window.status=='|') {
342: window.status='/';
343: } else {
344: if (window.status=='/') {
345: window.status='-';
346: } else {
347: if (window.status=='-') {
348: window.status='\\\\';
349: } else {
350: if (window.status=='\\\\') { window.status='|'; }
351: }
352: }
353: }
354: }
355:
1.32 www 356: // ---------------------------------------------------------- The wait function
357: var canceltim;
358: function wait() {
359: if ((menuloaded==1) || (tim==1)) {
1.35 www 360: window.status='Done.';
1.32 www 361: if (tim==0) {
362: clearTimeout(canceltim);
363: $configmenu
364: window.location='$lowerurl';
365: } else {
1.35 www 366: alert("Remote Control timed out. It is possible that it was blocked by pop-up window filters.");
1.32 www 367: }
368: } else {
1.35 www 369: wheelswitch();
370: setTimeout('wait();',200);
1.32 www 371: }
372: }
373:
374: function main() {
1.35 www 375: canceltim=setTimeout('tim=1;',60000);
376: window.status='-';
1.32 www 377: wait();
378: }
379:
380: </script>
381: ENDREMOTESTARTUP
382: }
383:
384: sub setflags() {
385: return(<<ENDSETFLAGS);
386: <script>
387: menuloaded=0;
388: tim=0;
389: </script>
390: ENDSETFLAGS
391: }
392:
393: sub maincall() {
1.34 www 394: if ($ENV{'browser.interface'} eq 'textual') { return ''; }
1.32 www 395: return(<<ENDMAINCALL);
396: <script>
397: main();
398: </script>
399: ENDMAINCALL
400: }
1.30 www 401: # ================================================================= Reopen menu
402:
403: sub reopenmenu {
404: my $nothing='';
1.34 www 405: if ($ENV{'browser.interface'} eq 'textual') { return ''; }
1.30 www 406: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
407: if ($ENV{'browser.type'} eq 'explorer') { $nothing='javascript:void(0);'; }
408: return('window.open("'.$nothing.'","'.$menuname.'","",false);');
409: }
410:
1.1 www 411: # =============================================================== Open the menu
412:
413: sub open {
1.22 www 414: my $returnval='';
1.34 www 415: if ($ENV{'browser.interface'} eq 'textual') { return ''; }
1.30 www 416: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
1.22 www 417: unless (shift eq 'unix') {
418: # resizing does not work on linux because of virtual desktop sizes
419: $returnval.=(<<ENDRESIZE);
420: if (window.screen) {
1.28 www 421: self.resizeTo(screen.availWidth-215,screen.availHeight-55);
1.22 www 422: self.moveTo(190,15);
423: }
424: ENDRESIZE
425: }
426: $returnval.=(<<ENDOPEN);
1.35 www 427: window.status='Opening LON-CAPA Remote Control';
1.30 www 428: var menu=window.open("/res/adm/pages/menu.html","$menuname",
1.14 www 429: "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
1.1 www 430: ENDOPEN
1.22 www 431: return '<script>'.$returnval.'</script>';
1.1 www 432: }
433:
1.2 www 434:
435: # ================================================================== Raw Config
436:
1.3 www 437: sub clear {
438: my ($row,$col)=@_;
1.34 www 439: unless ($ENV{'browser.interface'} eq 'textual') {
1.35 www 440: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
1.34 www 441: } else { return ''; }
1.3 www 442: }
443:
1.40 www 444: # ============================================ Switch a button or create a link
1.25 matthew 445: # Switch acts on the javascript that is executed when a button is clicked.
446: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
1.40 www 447:
1.2 www 448: sub switch {
1.40 www 449: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$nobreak)=@_;
1.2 www 450: $act=~s/\$uname/$uname/g;
451: $act=~s/\$udom/$udom/g;
1.34 www 452: unless ($ENV{'browser.interface'} eq 'textual') {
453: return "\n".
1.35 www 454: qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
1.34 www 455: } else {
1.41 www 456: if ($nobreak==2) { return ''; }
1.34 www 457: my $text=$top.' '.$bot;
458: $text=~s/\- //;
1.42 www 459: return "\n".($nobreak?' ':'<br />').
1.43 www 460: '<a href="javascript:'.$act.';" target="_top">'.$text.'</a> '.
461: ($nobreak?'':$desc);
1.34 www 462: }
1.2 www 463: }
464:
465: sub secondlevel {
466: my $output='';
467: my
1.27 www 468: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
1.2 www 469: if ($prt eq 'any') {
1.27 www 470: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
1.2 www 471: } elsif ($prt=~/^r(\w+)/) {
472: if ($rol eq $1) {
1.27 www 473: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
1.2 www 474: }
475: }
476: return $output;
477: }
478:
1.18 www 479: sub openmenu {
1.30 www 480: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
1.34 www 481: if ($ENV{'browser.interface'} eq 'textual') { return ''; }
1.18 www 482: if ($ENV{'browser.type'} eq 'explorer') {
1.30 www 483: return "window.open('javascript:void(0);','".$menuname."');";
1.18 www 484: } else {
1.30 www 485: return "window.open('','".$menuname."');";
1.18 www 486: }
487: }
488:
1.2 www 489: sub rawconfig {
1.34 www 490: my $textualoverride=shift;
491: my $output='';
492: unless ($ENV{'browser.interface'} eq 'textual') {
1.35 www 493: $output.=
494: "window.status='Opening Remote Control';var swmenu=".&openmenu().
495: "\nwindow.status='Configuring Remote Control ';";
1.34 www 496: } else {
497: unless ($textualoverride) { return ''; }
498: }
1.2 www 499: my $uname=$ENV{'user.name'};
500: my $udom=$ENV{'user.domain'};
501: my $adv=$ENV{'user.adv'};
1.4 www 502: my $author=$ENV{'user.author'};
1.5 www 503: my $crs='';
504: if ($ENV{'request.course.id'}) {
505: $crs='/'.$ENV{'request.course.id'};
1.7 www 506: if ($ENV{'request.course.sec'}) {
507: $crs.='_'.$ENV{'request.course.sec'};
508: }
1.8 www 509: $crs=~s/\_/\//g;
1.5 www 510: }
1.2 www 511: my $pub=($ENV{'request.state'} eq 'published');
512: my $con=($ENV{'request.state'} eq 'construct');
513: my $rol=$ENV{'request.role'};
1.25 matthew 514: my $requested_domain = $ENV{'request.role.domain'};
1.13 harris41 515: foreach (@desklines) {
1.27 www 516: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
1.3 www 517: $prt=~s/\$uname/$uname/g;
518: $prt=~s/\$udom/$udom/g;
1.5 www 519: $prt=~s/\$crs/$crs/g;
1.25 matthew 520: $prt=~s/\$requested_domain/$requested_domain/g;
1.3 www 521: if ($pro eq 'clear') {
1.4 www 522: $output.=&clear($row,$col);
1.3 www 523: } elsif ($pro eq 'any') {
1.2 www 524: $output.=&secondlevel(
1.27 www 525: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
1.2 www 526: } elsif ($pro eq 'smp') {
527: unless ($adv) {
528: $output.=&secondlevel(
1.27 www 529: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
1.2 www 530: }
531: } elsif ($pro eq 'adv') {
532: if ($adv) {
533: $output.=&secondlevel(
1.27 www 534: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
1.2 www 535: }
536: } elsif (($pro=~/p(\w+)/) && ($prt)) {
537: if (&Apache::lonnet::allowed($1,$prt)) {
1.27 www 538: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
1.4 www 539: }
1.26 www 540: } elsif ($pro eq 'course') {
541: if ($ENV{'request.course.fn'}) {
1.27 www 542: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
1.26 www 543: }
1.4 www 544: } elsif ($pro eq 'author') {
545: if ($author) {
1.29 matthew 546: if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) ||
547: (($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) {
1.19 matthew 548: # Check that we are on the correct machine
1.29 matthew 549: my $cadom=$requested_domain;
550: my $caname=$ENV{'user.name'};
551: if ($prt eq 'rca') {
552: ($cadom,$caname)=
1.6 www 553: ($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
1.29 matthew 554: }
555: $act =~ s/\$caname/$caname/g;
1.19 matthew 556: my $home = &Apache::lonnet::homeserver($caname,$cadom);
1.32 www 557: if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
1.19 matthew 558: $output.=switch($caname,$cadom,
1.27 www 559: $row,$col,$img,$top,$bot,$act,$desc);
1.19 matthew 560: }
1.6 www 561: }
1.2 www 562: }
563: }
1.13 harris41 564: }
1.34 www 565: unless ($ENV{'browser.interface'} eq 'textual') {
1.35 www 566: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
1.34 www 567: }
1.2 www 568: return $output;
569: }
570:
571: # ======================================================================= Close
1.1 www 572:
573: sub close {
1.35 www 574: if ($ENV{'browser.interface'} eq 'textual') { return ''; }
1.30 www 575: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
1.1 www 576: return(<<ENDCLOSE);
577: <script>
1.35 www 578: window.status='Accessing Remote Control';
1.30 www 579: menu=window.open("/adm/rat/empty.html","$menuname",
1.1 www 580: "height=350,width=150,scrollbars=no,menubar=no");
1.35 www 581: window.status='Disabling Remote Control';
582: menu.active=0;
1.31 www 583: menu.autologout=0;
1.35 www 584: window.status='Closing Remote Control';
1.1 www 585: menu.close();
1.35 www 586: window.status='Done.';
1.1 www 587: </script>
588: ENDCLOSE
589: }
590:
591: # ====================================================================== Footer
592:
593: sub footer {
594:
1.33 www 595: }
596:
1.42 www 597: sub utilityfunctions {
598: unless ($ENV{'browser.interface'} eq 'textual') { return ''; }
599: my $currenturl=$ENV{'REQUEST_URI'};
600: my $currentsymb=$ENV{'request.symb'};
601: return (<<ENDUTILITY)
602:
603: var currentURL="$currenturl";
604: var reloadURL="$currenturl";
605: var currentSymb="$currentsymb";
606:
607: function go(url) {
608: if (url!='' && url!= null) {
609: currentURL = null;
610: currentSymb= null;
611: window.location.href=url;
612: }
613: }
614:
615: function gopost(url,postdata) {
616: if (url!='') {
617: this.document.server.action=url;
618: this.document.server.postdata.value=postdata;
619: this.document.server.command.value='';
620: this.document.server.url.value='';
621: this.document.server.symb.value='';
622: this.document.server.submit();
623: }
624: }
625:
626: function gocmd(url,cmd) {
627: if (url!='') {
628: this.document.server.action=url;
629: this.document.server.postdata.value='';
630: this.document.server.command.value=cmd;
631: this.document.server.url.value=currentURL;
632: this.document.server.symb.value=currentSymb;
633: this.document.server.submit();
634: }
635: }
636: ENDUTILITY
637: }
638:
639: sub serverform {
640: return(<<ENDSERVERFORM);
641:
642: <form name="server" action="/adm/logout" method="post">
643: <input type="hidden" name="postdata" value="none" />
644: <input type="hidden" name="command" value="none" />
645: <input type="hidden" name="url" value="none" />
646: <input type="hidden" name="symb" value="none" />
647: </form>
648: ENDSERVERFORM
649: }
1.33 www 650: # ================================================ Handler when called directly
651:
652:
653: sub handler {
654: my $r = shift;
655: $r->content_type('text/html');
656: $r->send_http_header;
657: return OK if $r->header_only;
658:
1.42 www 659: my $utility=&utilityfunctions();
660: my $form=&serverform();
1.34 www 661: my $bodytag=&Apache::loncommon::bodytag('Main Menu');
1.33 www 662: # ------------------------------------------------------------ Print the screen
1.36 www 663: $r->print(<<ENDHEADER);
664: <html><head>
665: <title>LON-CAPA Main Menu</title>
666: <script>
1.42 www 667: $utility
1.36 www 668: </script>
669: </head>
670: $bodytag
671: ENDHEADER
1.42 www 672: $r->print(&rawconfig(1).$form);
1.33 www 673: $r->print('</body></html>');
674: return OK;
1.1 www 675: }
676:
1.2 www 677: # ================================================================ Main Program
678:
1.16 harris41 679: BEGIN {
1.15 matthew 680: if (! defined($readdesk)) {
1.14 www 681: {
1.10 albertel 682: my $config=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
683: '/mydesk.tab');
684: while (my $configline=<$config>) {
1.14 www 685: $configline=(split(/\#/,$configline))[0];
686: $configline=~s/^\s+//;
1.10 albertel 687: chomp($configline);
1.14 www 688: if ($configline) {
689: $desklines[$#desklines+1]=$configline;
690: }
1.2 www 691: }
1.14 www 692: }
693: $readdesk='done';
1.10 albertel 694: }
1.2 www 695: }
1.30 www 696:
1.1 www 697: 1;
698: __END__
699:
700:
701:
702:
703:
704:
705:
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