Bidirectional binding with conversion

Richard Bair richard.bair at
Fri Dec 9 07:55:18 PST 2011

Hi Michael,

What about adding:

public void bindBidirectional(Property<?> other, StringConverter)

as well? The StringConverter is in javafx.util and seems like another well suited means for conversion to/from String.

One other question not directly related -- why do our bindBidirectional methods take a Property instead of a WritableValue?


On Dec 9, 2011, at 1:33 AM, Michael Heinrichs wrote:

> Hi everybody,
> I am working on a solution for the Binding API that allows bidirectional bindings between an arbitrary property and a StringProperty. (The long term plan is to allow bidirectional bindings between two arbitrary properties in JavaFX 3.0). The request is tracked here:
> The class javafx.beans.binding.Bindings will get two new methods:
>    public static void bindBidirectional(Property<String> stringProperty, Property<?> otherProperty, Format format)
>    public static void unbindBidirectional(Object property1, Object property2)
> The class will also get two new methods:
>    public void bindBidirectional(Property<?> other, Format format)
>    public void unbindBidirectional(Object other)
> If parsing the StringProperty fails, the other property will be set to the default value. If formatting the arbitraty property fails, the StringProperty will be set to the empty String.
> Any thoughts?
> Thanks,
> Michael

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