Re: [Microba-controls] commitEdit of a null Date value

[Michael B. <mic...@gm...>]

Chris,

Thanks for the path! But can you describe the effect of the change from 
the point of view of a user? What was wrong (but now OK)? Can you please 
send me a regular machine-processable patch for BasicDatePicketUI 
against the latest sources (so I ca patch a local copy free of mistakes)?

Thanks for using Microba and contributing!

Chris Murphy wrote:
> Hi Michael,
>
> I found something for your consideration, which has required changing 
> the microba source as configuration was not possible. The problem is 
> that JFormattedTextField does not properly support the concept of a null 
> date. A null date can't be committed (commitEdit()) to a 
> JFormattedTextField. As you can see from the code Sun's bug database 
> offers a workaround that I've implemented on your code. This code is 
> from changes I've made to BasicDatePickerUI:
>
> 	private DefaultFormatterFactory createFormatterFactory() {
> 		return new DefaultFormatterFactory(new NullCapableDateFormatter(peer
> 				.getDateFormat()));
> 	}
>
>
>     /**
>      * To do this enhancement:
>      * http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4745048
>      */
>     public class NullCapableDateFormatter extends DateFormatter
>     {
>         public NullCapableDateFormatter(DateFormat dateFormat)
>         {
>             super( dateFormat);
>         }
>
>         public Object stringToValue(String string)
>                 throws ParseException
>         {
>             if(string == null || string.length() == 0)
>             {
>                 return null;
>             }
>             return super.stringToValue(string);
>         }
>     }
>
>
> thanks - Chris
>
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-- 
Michael Baranov