Intercept a click event

           

<!--
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"
    creationComplete="addListeners()">
    <s:layout>
        <s:VerticalLayout />
    </s:layout>
    <fx:Script> 
        private function customLogEvent(e:MouseEvent):void { 
            l1.text = String(e.currentTarget.id); 
            l2.text = String(e.type); 
            l3.text = String(e.shiftKey); 
            // Remove current listener to avoid recursion. 
            e.currentTarget.removeEventListener("doubleClick", customLogEvent); 
        } 
        private function handleEvent(e:MouseEvent):void { 
            // Add new handler for custom event about to be dispatched. 
            e.currentTarget.addEventListener("doubleClick", customLogEvent); 
            // Create new event object. 
            var mev:MouseEvent = new MouseEvent("doubleClick"); 
            // Customize event object. 
            mev.shiftKey = true; 
            // Dispatch custom event. 
            e.currentTarget.dispatchEvent(mev); 
        } 
        private function addListeners():void { 
            b1.addEventListener("click",handleEvent); 
            b2.addEventListener("click",handleEvent); 
        } 
      
    </fx:Script>
    <s:Button id="b1" label="Click Me (b1)" />
    <s:Button id="b2" label="Click Me (b2)" />
    <mx:Form>
        <mx:FormItem label="Current Target:">
            <mx:Label id="l1" />
        </mx:FormItem>
        <mx:FormItem label="Event Type:">
            <mx:Label id="l2" />
        </mx:FormItem>
        <mx:FormItem label="Shift Key Pressed:">
            <mx:Label id="l3" />
        </mx:FormItem>
    </mx:Form>
</s:Application>

1.	Click event example (MXML)
2.	Listen to a Button Click
3.	Nested inner function is called when the button is clicked
4.	button click
5.	Click event attribute can take ActionScript code as its value
6.	ActionScript event handling logic inside the MXML tag's click event
7.	Double click event
8.	Mark click event as its own tag
9.	The click event attribute can take ActionScript code directly as its value
10.	Use Event object to get a reference to the clicked ColumnSeries.
11.	Define custom behavior for the click event of the LinkElement object.

Intercept a click event : Click Event « Event « Flex

Related examples in the same category