Implementing double click in flex

Application to demonstrate a possible implementation ' double click ' in Flex v 1.5


DoubleClickDemo.mxml

 

<?xml version="1.0" encoding="utf-8"?>

<!--

/////////////////////////////////////////////////////////////////////////////////////////

// Application to demonstrate a possible implementation ' double click '
in Flex v 1.5 

// Author   : Vishwajit Girdhari               

// Date   : 14-Mar-2006

// Flex Blog  : http://flexiness.blogspot.com

// Blog  : http://vishwajit.blogspot.com

// Website  : www.vishwajit.com

// email   : vishwajit @ gmail.com

/////////////////////////////////////////////////////////////////////////////////////////

-->

<mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml">

  <mx:Script source="DoubleClickDemo_script.as" >

  </mx:Script>

  <mx:Panel>

    <mx:Button   id ="btnTest" label="Test single /
double click"  click="button_clicked()"  ></mx:Button>

  </mx:Panel>

</mx:Application>

DoubleClickDemo_script.as

/////////////////////////////////////////////////////////////////////////////////////////
// Application to demonstrate a possible implementation ' double click ' in Flex v 1.5
// Author : Vishwajit Girdhari
// Date : 14-Mar-2006
// Flex Blog : http://flexiness.blogspot.com
// Website : www.vishwajit.com
// email : vishwajit @ gmail.com
/////////////////////////////////////////////////////////////////////////////////////////

//Define the time duration to identify a double click.
var duration = 300;
var timer ;

//Called when the mouse button is clicked
function button_clicked()
{
// double click happened
if(timer != null)
{
// Call a specialised event for double click here.
mx.controls.Alert.show("Double click!");


//clean up
clearInterval(timer);
timer = null;
}
else
{
//start timer on first click
// setInterval obj,callback function,time interval
timer = setInterval(this,"click",duration);
}
}


// handles single clicks
function click(){

// Call a specialised event for single click here.
mx.controls.Alert.show("Single click!");

//clean up
clearInterval(timer);
timer = null;
}