We keep all our money amounts as ints representing the number of cents.
We have a MoneyField that extends TextField and overrides
getConverter(Class) to return something like this:
public class MoneyConverter implements IConverter {
public Object convertToObject(String value, Locale locale) {
try {
return Math.round(Float.parseFloat(value) * 100);
} catch (NumberFormatException e) {
throw new ConversionException(e)
.setSourceValue(value)
.setResourceKey(MoneyConverter)
}
}
public String convertToString(Object value, Locale locale) {
float amount = ((Number) value).floatValue() / 100;
return String.format(%.2f, amount);
}
}
If you like, you can prepend a dollar sign in convertToString and strip
it in convertToObject.
One thing I want to do but haven't gotten around to is to change the
styling depending on the focus. When the field doesn't have focus it
should be right-aligned, but this is weird when editing, so the idea is
to left-align it while the field has focus.
jk
On Wed, Feb 25, 2009 at 07:20:31PM -0300, Daniel Ferreira Castro wrote:
I would like an opinion about what is the propper, or more recommended, way
to format a TextField to show money?
Should I declare it TextFieldString or TextFieldFloat?
And to format it with the money symbol ( Like US$) while you type? Any
ideas?
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