tourdeflexmodules/src/spark/formatters/SwitchFormatterExample.mxml

<?xml version="1.0" encoding="utf-8"?>
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  this work for additional information regarding copyright ownership.
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      http://www.apache.org/licenses/LICENSE-2.0

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<s:Module xmlns:fx="http://ns.adobe.com/mxml/2009"  
			   xmlns:s="library://ns.adobe.com/flex/spark" 
			   xmlns:mx="library://ns.adobe.com/flex/mx">
	
	<fx:Script>
        <![CDATA[
        
            import mx.formatters.SwitchSymbolFormatter;                
            import mx.events.ValidationResultEvent;			
            
            private var vResult:ValidationResultEvent;

            // Event handler to validate and format input.            
            private function Format():void
            {
                vResult = scVal.validate();

                if (vResult.type==ValidationResultEvent.VALID) {
                    var switcher:SwitchSymbolFormatter=new SwitchSymbolFormatter('#');

                    formattedSCNumber.text = 
                        switcher.formatValue("###-##-####", scNum.text);
                }

                else {
                    formattedSCNumber.text= "";
                }
            }
        ]]>
    </fx:Script>
    
	<fx:Declarations>
		<mx:SocialSecurityValidator id="scVal" source="{scNum}" property="text"/>
	</fx:Declarations>
   
        
	<s:Panel title="SwitchSymbolFormatter Example" width="100%" height="100%">
		
		<s:layout>
			<s:HorizontalLayout paddingLeft="10" paddingRight="10" paddingTop="10" paddingBottom="10"/>
		</s:layout>
         
         <mx:Form width="100%">
         	<s:Label text="Enter a 9 digit Social Security number with no separator characters:" />
         	
         	<s:TextInput id="scNum" text="" width="50%" maxChars="9"/>
            <s:Button label="Validate and Format" click="Format()"/>
			
            <mx:FormItem label="formatted Social Security number:">
                <s:Label id="formattedSCNumber" text="" />
            </mx:FormItem>
        </mx:Form>
        
	</s:Panel>
	
</s:Module>