- Gordon
-----Original Message-----
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Stanislav Zayarsky
Sent: Sunday, May 14, 2006 2:08 AM
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] TextInput and masking
Hello Gordon,
You are using RegExp in the sample, so two questions:
Can you tell me where I can get RegExp documentation?
Do we have RegExp in Flex 1.5, 2?
Best regards
Stanislav
On 5/14/06, Gordon Smith <[EMAIL PROTECTED]> wrote:
> TextInput has a 'restrict' property that lets you specify the set of characters that can be typed. But it doesn't have masking support, such as "NNN-NN-NNNN" for entering a social security number.
>
> To implement masking, you'd need to handle the "textInput" event. If you call event.preventDefault() in your handler, you can prevent the text from being entered.
>
> Here's a quick-and-dirty example of SSN masking. It ensures that the first three characters you type must be a digit, the next must be a hyphen, etc. It doesn't do the right thing if you move the insertion point or select text and then type.
>
> - Gordon
>
> <?xml version="1.0" encoding="utf-8"?>
> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
>
> <mx:Script>
> <![CDATA[
>
> private var masks:Array =
> [
> null,
> new RegExp("\\d"),
> new RegExp("\\d\\d"),
> new RegExp("\\d\\d\\d"),
> new RegExp("\\d\\d\\d\\-"),
> new RegExp("\\d\\d\\d\\-\\d"),
> new RegExp("\\d\\d\\d\\-\\d\\d"),
> new RegExp("\\d\\d\\d\\-\\d\\d\\-"),
> new RegExp("\\d\\d\\d\\-\\d\\d\\-\\d"),
> new RegExp("\\d\\d\\d\\-\\d\\d\\-\\d\\d"),
> new RegExp("\\d\\d\\d\\-\\d\\d\\-\\d\\d\\d"),
> new RegExp("\\d\\d\\d\\-\\d\\d\\-\\d\\d\\d\\d")
> ];
>
> private function textInputHandler(event:TextEvent):void
> {
> var newText:String = ssn.text + event.text;
> var mask:RegExp = masks[newText.length];
> if (!mask || !mask.test(newText))
> event.preventDefault();
> }
>
> ]]>
> </mx:Script>
>
> <mx:TextInput id="ssn" textInput="textInputHandler(event)"/>
>
> </mx:Application>
>
> - Gordon
>
>
> -----Original Message-----
> From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of sof4real03
> Sent: Saturday, May 13, 2006 8:44 AM
> To: flexcoders@yahoogroups.com
> Subject: [flexcoders] TextInput and masking
>
> Is there a simple way of enabling a text input mask on the control or
> do you need to write a custom component to extend the features
> available with the textInput?
>
>
>
>
>
>
>
>
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