1 | /*
|
---|
2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net
|
---|
3 | * Copyright (C) 2003-2009 Frederico Caldeira Knabben
|
---|
4 | *
|
---|
5 | * == BEGIN LICENSE ==
|
---|
6 | *
|
---|
7 | * Licensed under the terms of any of the following licenses at your
|
---|
8 | * choice:
|
---|
9 | *
|
---|
10 | * - GNU General Public License Version 2 or later (the "GPL")
|
---|
11 | * http://www.gnu.org/licenses/gpl.html
|
---|
12 | *
|
---|
13 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
|
---|
14 | * http://www.gnu.org/licenses/lgpl.html
|
---|
15 | *
|
---|
16 | * - Mozilla Public License Version 1.1 or later (the "MPL")
|
---|
17 | * http://www.mozilla.org/MPL/MPL-1.1.html
|
---|
18 | *
|
---|
19 | * == END LICENSE ==
|
---|
20 | *
|
---|
21 | * FCKEvents Class: used to handle events is a advanced way.
|
---|
22 | */
|
---|
23 |
|
---|
24 | var FCKEvents = function( eventsOwner )
|
---|
25 | {
|
---|
26 | this.Owner = eventsOwner ;
|
---|
27 | this._RegisteredEvents = new Object() ;
|
---|
28 | }
|
---|
29 |
|
---|
30 | FCKEvents.prototype.AttachEvent = function( eventName, functionPointer )
|
---|
31 | {
|
---|
32 | var aTargets ;
|
---|
33 |
|
---|
34 | if ( !( aTargets = this._RegisteredEvents[ eventName ] ) )
|
---|
35 | this._RegisteredEvents[ eventName ] = [ functionPointer ] ;
|
---|
36 | else
|
---|
37 | {
|
---|
38 | // Check that the event handler isn't already registered with the same listener
|
---|
39 | // It doesn't detect function pointers belonging to an object (at least in Gecko)
|
---|
40 | if ( aTargets.IndexOf( functionPointer ) == -1 )
|
---|
41 | aTargets.push( functionPointer ) ;
|
---|
42 | }
|
---|
43 | }
|
---|
44 |
|
---|
45 | FCKEvents.prototype.FireEvent = function( eventName, params )
|
---|
46 | {
|
---|
47 | var bReturnValue = true ;
|
---|
48 |
|
---|
49 | var oCalls = this._RegisteredEvents[ eventName ] ;
|
---|
50 |
|
---|
51 | if ( oCalls )
|
---|
52 | {
|
---|
53 | for ( var i = 0 ; i < oCalls.length ; i++ )
|
---|
54 | {
|
---|
55 | try
|
---|
56 | {
|
---|
57 | bReturnValue = ( oCalls[ i ]( this.Owner, params ) && bReturnValue ) ;
|
---|
58 | }
|
---|
59 | catch(e)
|
---|
60 | {
|
---|
61 | // Ignore the following error. It may happen if pointing to a
|
---|
62 | // script not anymore available (#934):
|
---|
63 | // -2146823277 = Can't execute code from a freed script
|
---|
64 | if ( e.number != -2146823277 )
|
---|
65 | throw e ;
|
---|
66 | }
|
---|
67 | }
|
---|
68 | }
|
---|
69 |
|
---|
70 | return bReturnValue ;
|
---|
71 | }
|
---|