Share on Google+Share on Google+

NumberFormatter in Flex4

Advertisement
The NumberFormatter class formats the decimal rounding and precision, thousand separator and negative sign.

NumberFormatter in Flex4:

The NumberFormatter class formats the decimal rounding and precision, thousand separator and negative sign. for example,203.4567=203.456 . You can use the precision property for decimal length. If an error occurs this error is saved to the error property. The error property has two types of error values: Invalid value, Invalid format. The tag of NumberFormatter is <mx:NumberFormatter>.
You will be declare a formatter in <fx:Declarations> tag.

Example:

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

<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"

xmlns:s="library://ns.adobe.com/flex/spark"

xmlns:mx="library://ns.adobe.com/flex/mx"

minWidth="955" minHeight="600">

<fx:Script>

<![CDATA[

import mx.events.ValidationResultEvent;

private var result:ValidationResultEvent;

private function checkFormat():void

{

result = numValidate.validate();

if (result.type==ValidationResultEvent.VALID) {

numval.text= numberFormatter.format(numtxt.text);

}

else {

numval.text= "Invalid Number";

}

}

]]>

</fx:Script>

<fx:Declarations>

<mx:NumberFormatter id="numberFormatter" precision="3"

 useThousandsSeparator="true" useNegativeSign="true"/>

<mx:NumberValidator id="numValidate" source="{numtxt}" property="text"

 allowNegative="true" domain="real"/>

</fx:Declarations>

<s:Panel title="NumberValidator Example" width="506">

<mx:Form backgroundColor="#096465" width="504">

<mx:FormItem label="Enter number:" color="#FFFFFF" fontFamily="verdana">

<s:TextInput id="numtxt" text="" width="100%" color="#000000" fontFamily="verdana"/>

</mx:FormItem>

<mx:FormItem label="Formatted Value: " color="#FFFFFF" fontFamily="verdana">

<s:Label id="numval" color="#FFFFFF" fontFamily="verdana"/>

</mx:FormItem>

<mx:FormItem>

<s:Button label="Format" click="checkFormat();"/>

</mx:FormItem>

</mx:Form>

</s:Panel>

</s:Application>

Output:

Running Application:

To view this page ensure that Adobe Flash Player version 10.0.0 or greater is installed.

Download this code

Advertisements

Advertisement

Posted on: June 2, 2010 If you enjoyed this post then why not add us on Google+? Add us to your Circles

Share this Tutorial Follow us on Twitter, or add us on Facebook or Google Plus to keep you updated with the recent trends of Java and other open source platforms.