Master-detail form help

[tamim]

I have a combobox populated from a list of objects. On a selection in the combobox, I'd like to display certain properties of the selected object. Any help on how I should achieve this ?

Domain object looks like this:

public class SearchDescriptor
{
String title;
MapLayer[] layer; // combobox binding used for this
}

public class MapLayer
{
PropertyDescriptors[] properties; // I'd like to display this dynamically on combobox selection
}

Now I can always create a binding that generates the controls for the properties but I'm not sure how to do that dynamically.

[ecardoso]

I had a similar problem and have done the actualization of the selectable values using a RefreshableValueHolder:

	private class YourValueHolder extends RefreshableValueHolder{
		public YourValueHolder() {
			super(new Closure() {
				public Object call(Object arg0) {
					return "retieve your data from the selected object";
				}
			}, false, false); //alwaysRefresh ainda não funciona - springrcp1.0.0);
		}
	}

	private YourValueHolder yourValueHolder = new YourValueHolder();

Then I overrided the method below in the AbstractDetailForm returned by createDetailForm(...):

			@Override
			protected void setEditState(int editState) {
				if(editState != 0) {
					yourValueHolder.refresh();
				}
				super.setEditState(editState);
			}

Or you can just add a property change listener and call yourValueHolder.refresh();

Your combobox can be binded as:

bindingFactory.createBoundComboBox("formProperty", yourValueHolder);