org.apache.cayenne.swing.ActionDelegate Maven / Gradle / Ivy
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package org.apache.cayenne.swing;
import java.util.Collections;
/**
* An implementation of BindingDelegate that invokes a no-argument context action on every
* model update.
*
*/
public class ActionDelegate implements BindingDelegate {
protected BindingExpression expression;
public ActionDelegate(String expression) {
this.expression = new BindingExpression(expression);
}
public void modelUpdated(ObjectBinding binding, Object oldValue, Object newValue) {
// TODO: might add new and old value as variables...
expression.getValue(binding.getContext(), Collections.EMPTY_MAP);
}
}