How can I bind a property (e.g. an Enum) to a component property of a different type (e.g. an image for each Enum)?

StackOverflow https://stackoverflow.com/questions/5948147

  •  02-11-2019
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Frage

I have inherited a project that uses JGoodies Binding to connect the domain model to the GUI. However, there are some inconsistencies that I have found which also cause some bugs.

In this concrete case, the GUI is represented by two radio buttons and a label. Depending on which button is selected, the label should display a certain image. The buttons are bound to different Enum values, like this:

AbstractValueModel enumSelectionModel = presentationModel.getModel("selection");

radioBtn1 = BasicComponentFactory.createRadioButton(enumSelectionModel,
        Selection.selection1, "");

radioBtn2 = BasicComponentFactory.createRadioButton(enumSelectionModel,
        Selection.selection2, "");

"selection" is the bound property, and Selection is the Enum, which means that when a different button is changed, the selection property in my model is set to the corresponding Enum value.

My question is: How can I bind this property to the image displayed by the label?

From what I saw, JGoodies is excellent for binding things like strings to text fields, but in this case, there should also be a transformation, some logic which decides maps the enum property to the image.

Keine korrekte Lösung

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