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GraphicLibLocator

Kind of class:	class
Inherits from:	none
Implements:	ILocator
Version:	1.0
Author:	Francis Bourre
Classpath:	com.bourre.data.libs.GraphicLibLocator
File last modified:	Wednesday, 31 October 2007, 07:35:29

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/*
 * Copyright the original author or authors.
 * 
 * Licensed under the MOZILLA PUBLIC LICENSE, Version 1.1 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.mozilla.org/MPL/MPL-1.1.html
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
/**
 * @author Francis Bourre
 * @version 1.0
 */
 
import com.bourre.core.ILocator;
import com.bourre.data.collections.Map;
import com.bourre.data.libs.GraphicLib;
import com.bourre.data.libs.GraphicLibLocatorEvent;
import com.bourre.data.libs.IGraphicLibLocatorListener;
import com.bourre.events.EventBroadcaster;
import com.bourre.events.EventType;
import com.bourre.log.PixlibDebug;
import com.bourre.log.PixlibStringifier;

class com.bourre.data.libs.GraphicLibLocator 
    implements ILocator
{
    private static var _oI : GraphicLibLocator;
    private var _m : Map;
    private var _oEB : EventBroadcaster;
    
    public static var onRegisterGraphicLib : EventType = new EventType("onRegisterGraphicLib");
    public static var onUnregisterGraphicLib : EventType = new EventType("onUnregisterGraphicLib");
    
    private function GraphicLibLocator( )
    {
        _m = new Map();
        _oEB = new EventBroadcaster( this );
    }
    
    private static function _init() : GraphicLibLocator
    {
        _oI = new GraphicLibLocator();
        return _oI;
    }
    
    public static function getInstance() : GraphicLibLocator
    {
        return (_oI != undefined) ? _oI : GraphicLibLocator._init();
    }
    
    public function isRegistered( key : String ) : Boolean
    {
        return _m.containsKey( key );
    }
    
    public function register( key : String, gl:GraphicLib ) : Boolean
    {
        if ( _m.containsKey( key ) )
        {
            PixlibDebug.ERROR( "GraphicLib instance is already registered with '" + key + "' name in " + this );
            return false;
        } else
        {
            _m.put( key, gl );
            _oEB.broadcastEvent( new GraphicLibLocatorEvent( GraphicLibLocator.onRegisterGraphicLib, key, gl ) );
            return true;
        }
    }
    
    public function unregister( key : String ) : Boolean
    {
        if ( isRegistered( key ) )
        {
            _m.remove( key );
            _oEB.broadcastEvent( new GraphicLibLocatorEvent( GraphicLibLocator.onUnregisterGraphicLib, key, null ) );
            return true;
            
        } else
        {
            return false;
        }
    }
    
    public function locate( key : String )
    {
        if ( isRegistered( key ) ) 
        {
            return _m.get( key );
            
        } else
        {
            PixlibDebug.FATAL( "Can't find GraphicLib instance with '" + key + "' name in " + this );
        }
    }
    
    public function getGraphicLib( sName : String ) : GraphicLib
    {
        return GraphicLib( locate(sName) );
    }
    
    public function addListener( oL : IGraphicLibLocatorListener ) : Void
    {
        _oEB.addListener( oL );
    }
    
    public function removeListener( oL : IGraphicLibLocatorListener ) : Void
    {
        _oEB.removeListener( oL );
    }
    
    public function addEventListener( e : EventType, oL, f : Function ) : Void
    {
        _oEB.addEventListener.apply( _oEB, arguments );
    }
    
    public function removeEventListener( e : EventType, oL ) : Void
    {
        _oEB.removeEventListener( e, oL );
    }
    
    /**
     * Returns the string representation of this instance.
     * @return the string representation of this instance
     */
    public function toString() : String 
    {
        return PixlibStringifier.stringify( this );
    }
}

Summary

Class properties

onRegisterGraphicLib
onUnregisterGraphicLib

Class methods

getInstance

Instance methods

isRegistered
register
unregister
locate
getGraphicLib
addListener
removeListener
addEventListener
removeEventListener
toString

Class properties

onRegisterGraphicLib

static onRegisterGraphicLib:EventType = new EventType("onRegisterGraphicLib")

(read,write)

onUnregisterGraphicLib

static onUnregisterGraphicLib:EventType = new EventType("onUnregisterGraphicLib")

(read,write)

Class methods

getInstance

static function getInstance (

) : GraphicLibLocator

Instance methods

addEventListener

function addEventListener (

e:EventType, f:Function) : Void

addListener

function addListener (

oL:IGraphicLibLocatorListener) : Void

getGraphicLib

function getGraphicLib (

sName:String) : GraphicLib

isRegistered

function isRegistered (

key:String) : Boolean

Specified by:

com.bourre.core.ILocator.isRegistered

locate

function locate (

key:String)

Specified by:

com.bourre.core.ILocator.locate

register

function register (

key:String, gl:GraphicLib) : Boolean

removeEventListener

function removeEventListener (

e:EventType) : Void

removeListener

function removeListener (

oL:IGraphicLibLocatorListener) : Void

toString

function toString (

) : String

Returns the string representation of this instance.

Returns:

the string representation of this instance

unregister

function unregister (

key:String) : Boolean