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JFormattedTextField, NumberFormatter etc.

Posted on 2003-12-11
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Last Modified: 2010-08-05
Does anyone know how to set a formatter object on a JFormattedTextField (JFTF) *AFTER* it's created?? (without subclassing it?)

The JFTF is being constructed from an XML file parsed with a SAX parser; the way I implemented it, I really need (want) to call the default constructor in one method, and set it's attributes with another.

I can get the JFTF to work if I set the formatter in the constructor, but I simply don't have the attributes handy when I'm constructing it.

Well, actually I do, but I can use a really sweet algorithm if I could set the attributes after the JFTF is constructed.

setFormatter() is protected; JFormattedTextField.AbstractFormatter.install() isn't what I thought it was...  The documentation is surprisingly limited, and I have yet to find an example where they don't set the formatter in the constructor.

Thanks,

Shawn
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Question by:ShawnCurry
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objects earned 100 total points
ID: 9925719
try setting the formatter factory.
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by:ShawnCurry
ID: 9925799
Yup..  got it.. I'm really appreciating the open source..  Just had to figure out how it works...

JFormattedTextField ftf = new JFormattedTextField();
DefaultFormatterFactory df = new DefaultFormatterFactory(
      new NumberFormatter( NumberFormat.getIntegerInstance()));
ftf.setFormatterFactory(df);

That's a heck of a wrapper... Oh well..

Thanks again.
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by:objects
ID: 9925828
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