Annotation of loncom/interface/lonmenu.pm, revision 1.36
1.1 www 1: # The LearningOnline Network with CAPA
2: # Routines to control the menu
3: #
1.36 ! www 4: # $Id: lonmenu.pm,v 1.35 2003/02/13 20:35:39 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 $readdesk);
1.30 www 43:
1.32 www 44: # ============================================================= Start up remote
45:
46: sub startupremote {
47: my ($lowerurl)=@_;
1.34 www 48: if ($ENV{'browser.interface'} eq 'textual') {
49: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
50: }
1.32 www 51: my $configmenu=&rawconfig();
52: return(<<ENDREMOTESTARTUP);
53: <script>
54:
1.35 www 55: function wheelswitch() {
56: if (window.status=='|') {
57: window.status='/';
58: } else {
59: if (window.status=='/') {
60: window.status='-';
61: } else {
62: if (window.status=='-') {
63: window.status='\\\\';
64: } else {
65: if (window.status=='\\\\') { window.status='|'; }
66: }
67: }
68: }
69: }
70:
1.32 www 71: // ---------------------------------------------------------- The wait function
72: var canceltim;
73: function wait() {
74: if ((menuloaded==1) || (tim==1)) {
1.35 www 75: window.status='Done.';
1.32 www 76: if (tim==0) {
77: clearTimeout(canceltim);
78: $configmenu
79: window.location='$lowerurl';
80: } else {
1.35 www 81: alert("Remote Control timed out. It is possible that it was blocked by pop-up window filters.");
1.32 www 82: }
83: } else {
1.35 www 84: wheelswitch();
85: setTimeout('wait();',200);
1.32 www 86: }
87: }
88:
89: function main() {
1.35 www 90: canceltim=setTimeout('tim=1;',60000);
91: window.status='-';
1.32 www 92: wait();
93: }
94:
95: </script>
96: ENDREMOTESTARTUP
97: }
98:
99: sub setflags() {
100: return(<<ENDSETFLAGS);
101: <script>
102: menuloaded=0;
103: tim=0;
104: </script>
105: ENDSETFLAGS
106: }
107:
108: sub maincall() {
1.34 www 109: if ($ENV{'browser.interface'} eq 'textual') { return ''; }
1.32 www 110: return(<<ENDMAINCALL);
111: <script>
112: main();
113: </script>
114: ENDMAINCALL
115: }
1.30 www 116: # ================================================================= Reopen menu
117:
118: sub reopenmenu {
119: my $nothing='';
1.34 www 120: if ($ENV{'browser.interface'} eq 'textual') { return ''; }
1.30 www 121: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
122: if ($ENV{'browser.type'} eq 'explorer') { $nothing='javascript:void(0);'; }
123: return('window.open("'.$nothing.'","'.$menuname.'","",false);');
124: }
125:
1.1 www 126: # =============================================================== Open the menu
127:
128: sub open {
1.22 www 129: my $returnval='';
1.34 www 130: if ($ENV{'browser.interface'} eq 'textual') { return ''; }
1.30 www 131: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
1.22 www 132: unless (shift eq 'unix') {
133: # resizing does not work on linux because of virtual desktop sizes
134: $returnval.=(<<ENDRESIZE);
135: if (window.screen) {
1.28 www 136: self.resizeTo(screen.availWidth-215,screen.availHeight-55);
1.22 www 137: self.moveTo(190,15);
138: }
139: ENDRESIZE
140: }
141: $returnval.=(<<ENDOPEN);
1.35 www 142: window.status='Opening LON-CAPA Remote Control';
1.30 www 143: var menu=window.open("/res/adm/pages/menu.html","$menuname",
1.14 www 144: "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
1.1 www 145: ENDOPEN
1.22 www 146: return '<script>'.$returnval.'</script>';
1.1 www 147: }
148:
1.2 www 149: # ============================================================ Switch Menu Item
150:
151: sub switchmenu {
1.27 www 152: my ($row,$col,$imgsrc,$texttop,$textbot,$action,$description)=@_;
1.34 www 153: if ($ENV{'browser.interface'} eq 'textual') { return ''; }
1.18 www 154: my $openwin=&openmenu();
1.2 www 155: return(<<ENDSMENU);
156: <script>
1.20 matthew 157: var swmenu=$openwin
1.27 www 158: swmenu.switchbutton($row,$col,"$imgsrc","$texttop","$textbot","$action","$description");
1.2 www 159: </script>
160: ENDSMENU
161: }
162:
163: # ================================================================== Raw Config
164:
1.3 www 165: sub clear {
166: my ($row,$col)=@_;
1.34 www 167: unless ($ENV{'browser.interface'} eq 'textual') {
1.35 www 168: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
1.34 www 169: } else { return ''; }
1.3 www 170: }
171:
1.25 matthew 172: # Switch acts on the javascript that is executed when a button is clicked.
173: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
1.2 www 174: sub switch {
1.27 www 175: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc)=@_;
1.2 www 176: $act=~s/\$uname/$uname/g;
177: $act=~s/\$udom/$udom/g;
1.34 www 178: unless ($ENV{'browser.interface'} eq 'textual') {
179: return "\n".
1.35 www 180: qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
1.34 www 181: } else {
182: my $text=$top.' '.$bot;
183: $text=~s/\- //;
1.36 ! www 184: return '<br /><a href="javascript:'.$act.';">'.$text.'</a> '.$desc;
1.34 www 185: }
1.2 www 186: }
187:
188: sub secondlevel {
189: my $output='';
190: my
1.27 www 191: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
1.2 www 192: if ($prt eq 'any') {
1.27 www 193: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
1.2 www 194: } elsif ($prt=~/^r(\w+)/) {
195: if ($rol eq $1) {
1.27 www 196: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
1.2 www 197: }
198: }
199: return $output;
200: }
201:
1.18 www 202: sub openmenu {
1.30 www 203: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
1.34 www 204: if ($ENV{'browser.interface'} eq 'textual') { return ''; }
1.18 www 205: if ($ENV{'browser.type'} eq 'explorer') {
1.30 www 206: return "window.open('javascript:void(0);','".$menuname."');";
1.18 www 207: } else {
1.30 www 208: return "window.open('','".$menuname."');";
1.18 www 209: }
210: }
211:
1.2 www 212: sub rawconfig {
1.34 www 213: my $textualoverride=shift;
214: my $output='';
215: unless ($ENV{'browser.interface'} eq 'textual') {
1.35 www 216: $output.=
217: "window.status='Opening Remote Control';var swmenu=".&openmenu().
218: "\nwindow.status='Configuring Remote Control ';";
1.34 www 219: } else {
220: unless ($textualoverride) { return ''; }
221: }
1.2 www 222: my $uname=$ENV{'user.name'};
223: my $udom=$ENV{'user.domain'};
224: my $adv=$ENV{'user.adv'};
1.4 www 225: my $author=$ENV{'user.author'};
1.5 www 226: my $crs='';
227: if ($ENV{'request.course.id'}) {
228: $crs='/'.$ENV{'request.course.id'};
1.7 www 229: if ($ENV{'request.course.sec'}) {
230: $crs.='_'.$ENV{'request.course.sec'};
231: }
1.8 www 232: $crs=~s/\_/\//g;
1.5 www 233: }
1.2 www 234: my $pub=($ENV{'request.state'} eq 'published');
235: my $con=($ENV{'request.state'} eq 'construct');
236: my $rol=$ENV{'request.role'};
1.25 matthew 237: my $requested_domain = $ENV{'request.role.domain'};
1.13 harris41 238: foreach (@desklines) {
1.27 www 239: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
1.3 www 240: $prt=~s/\$uname/$uname/g;
241: $prt=~s/\$udom/$udom/g;
1.5 www 242: $prt=~s/\$crs/$crs/g;
1.25 matthew 243: $prt=~s/\$requested_domain/$requested_domain/g;
1.3 www 244: if ($pro eq 'clear') {
1.4 www 245: $output.=&clear($row,$col);
1.3 www 246: } elsif ($pro eq 'any') {
1.2 www 247: $output.=&secondlevel(
1.27 www 248: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
1.2 www 249: } elsif ($pro eq 'smp') {
250: unless ($adv) {
251: $output.=&secondlevel(
1.27 www 252: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
1.2 www 253: }
254: } elsif ($pro eq 'adv') {
255: if ($adv) {
256: $output.=&secondlevel(
1.27 www 257: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
1.2 www 258: }
259: } elsif (($pro=~/p(\w+)/) && ($prt)) {
260: if (&Apache::lonnet::allowed($1,$prt)) {
1.27 www 261: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
1.4 www 262: }
1.26 www 263: } elsif ($pro eq 'course') {
264: if ($ENV{'request.course.fn'}) {
1.27 www 265: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
1.26 www 266: }
1.4 www 267: } elsif ($pro eq 'author') {
268: if ($author) {
1.29 matthew 269: if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) ||
270: (($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) {
1.19 matthew 271: # Check that we are on the correct machine
1.29 matthew 272: my $cadom=$requested_domain;
273: my $caname=$ENV{'user.name'};
274: if ($prt eq 'rca') {
275: ($cadom,$caname)=
1.6 www 276: ($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
1.29 matthew 277: }
278: $act =~ s/\$caname/$caname/g;
1.19 matthew 279: my $home = &Apache::lonnet::homeserver($caname,$cadom);
1.32 www 280: if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
1.19 matthew 281: $output.=switch($caname,$cadom,
1.27 www 282: $row,$col,$img,$top,$bot,$act,$desc);
1.19 matthew 283: }
1.6 www 284: }
1.2 www 285: }
286: }
1.13 harris41 287: }
1.34 www 288: unless ($ENV{'browser.interface'} eq 'textual') {
1.35 www 289: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
1.34 www 290: }
1.2 www 291: return $output;
292: }
293:
294: # ======================================================================= Close
1.1 www 295:
296: sub close {
1.35 www 297: if ($ENV{'browser.interface'} eq 'textual') { return ''; }
1.30 www 298: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
1.1 www 299: return(<<ENDCLOSE);
300: <script>
1.35 www 301: window.status='Accessing Remote Control';
1.30 www 302: menu=window.open("/adm/rat/empty.html","$menuname",
1.1 www 303: "height=350,width=150,scrollbars=no,menubar=no");
1.35 www 304: window.status='Disabling Remote Control';
305: menu.active=0;
1.31 www 306: menu.autologout=0;
1.35 www 307: window.status='Closing Remote Control';
1.1 www 308: menu.close();
1.35 www 309: window.status='Done.';
1.1 www 310: </script>
311: ENDCLOSE
312: }
313:
314: # ====================================================================== Footer
315:
316: sub footer {
317:
1.33 www 318: }
319:
320: # ================================================ Handler when called directly
321:
322:
323: sub handler {
324: my $r = shift;
325: $r->content_type('text/html');
326: $r->send_http_header;
327: return OK if $r->header_only;
328:
1.34 www 329: my $bodytag=&Apache::loncommon::bodytag('Main Menu');
1.33 www 330: # ------------------------------------------------------------ Print the screen
1.36 ! www 331: $r->print(<<ENDHEADER);
! 332: <html><head>
! 333: <title>LON-CAPA Main Menu</title>
! 334: <script>
! 335: function go(url) {
! 336: window.location=url;
! 337: }
! 338: function gopost(url) {
! 339: window.location=url;
! 340: }
! 341: </script>
! 342: </head>
! 343: $bodytag
! 344: ENDHEADER
1.34 www 345: $r->print(&rawconfig(1));
1.33 www 346: $r->print('</body></html>');
347: return OK;
1.1 www 348: }
349:
1.2 www 350: # ================================================================ Main Program
351:
1.16 harris41 352: BEGIN {
1.15 matthew 353: if (! defined($readdesk)) {
1.14 www 354: {
1.10 albertel 355: my $config=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
356: '/mydesk.tab');
357: while (my $configline=<$config>) {
1.14 www 358: $configline=(split(/\#/,$configline))[0];
359: $configline=~s/^\s+//;
1.10 albertel 360: chomp($configline);
1.14 www 361: if ($configline) {
362: $desklines[$#desklines+1]=$configline;
363: }
1.2 www 364: }
1.14 www 365: }
366: $readdesk='done';
1.10 albertel 367: }
1.2 www 368: }
1.30 www 369:
1.1 www 370: 1;
371: __END__
372:
373:
374:
375:
376:
377:
378:
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