Reuse a single listener for multiple events

           

<!--
Code from Flex 4 Documentation "Using Adobe Flex 4".

This user guide is licensed for use under the terms of the Creative Commons Attribution 
Non-Commercial 3.0 License. 

This License allows users to copy, distribute, and transmit the user guide for noncommercial 
purposes only so long as 
  (1) proper attribution to Adobe is given as the owner of the user guide; and 
  (2) any reuse or distribution of the user guide contains a notice that use of the user guide is governed by these terms. 
The best way to provide notice is to include the following link. 
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/

-->



<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:mx="library://ns.adobe.com/flex/mx"
    xmlns:s="library://ns.adobe.com/flex/spark">
    <s:layout>
        <s:VerticalLayout />
    </s:layout>
    <fx:Script> 
        public function disableControl(event:MouseEvent):void { 
            // Use this same logic for all events. 
            event.currentTarget.enabled = false; 
        } 
        public function doSomething(event:MouseEvent):void { 
            b1.label = "clicked"; 
            ta1.text += "Something happened."; 
        } 
        public function doSomethingElse(event:MouseEvent):void { 
            b2.label = "clicked"; 
            ta1.text += "Something happened again."; 
        } 
      
    </fx:Script>
    <s:HGroup id="hb1" height="200" click="disableControl(event)">
        <s:Button id='b1' label="Click Me" click="doSomething(event)" />
        <s:Button id='b2' label="Click Me" click="doSomethingElse(event)" />
        <s:TextArea id="ta1" />
    </s:HGroup>
    <s:Button id="resetButton" label="Reset"
        click="hb1.enabled=true;b1.enabled=true;b2.enabled=true;b1.label='Click Me';b2.label='Click Me';" />
</s:Application>

1.	Add Click event listener with ActionScript
2.	Remove and add event listener
3.	Register one listener function to two different buttons
4.	Custom Listener Function
5.	Use the addEventListener() method
6.	Pass individual properties to an event listener
7.	Use a separate call to addEventListener() method for each instance
8.	Event listener is contained in an ActionScript function in an tag
9.	Event listener function
10.	Use addEventListener function to bind function to event
11.	Add a click event listener to each of the colored boxes
12.	Using Add Event Listener

Reuse a single listener for multiple events : Event Listener « Event « Flex

Related examples in the same category