Using ActionScript to format based on data length

   
<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
    <mx:Script>
        
        [Bindable]
        public var rawPhone:String = "1234567";
        public function formatThis(plainText:String):String
        {
            if(plainText.length == 7)
                fmtPhone.formatString = "###-####";
            else
                fmtPhone.formatString = "###-###-####";
            return(fmtPhone.format(plainText));
        }
      
    </mx:Script>
    <mx:PhoneFormatter id="fmtPhone" />
    <mx:Label text="{formatThis(rawPhone)}" />
    
</mx:Application>

1.	Using declared PhoneFormatter defined in mxml
2.	PhoneFormatter for formatting unformatted phone digits
3.	Create an instance of a PhoneFormatter using ActionScript
4.	Set format string for PhoneFormatter
5.	Set validPatternChars for PhoneFormatter
6.	Add area code for PhoneFormatter
7.	Set area code format for PhoneFormatter
8.	Using the PhoneFormatter class
9.	PhoneFormatter and formatting parameters
10.	Use error property to check if a problem occurred during formatting

Using ActionScript to format based on data length : PhoneFormatter « Data Model « Flex

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