Bug 205248 [Databinding] Observables on Text with FOCUS_OUT event incorrectly notify with no change
If you get an observable on a Text for the FOCUS_OUT event, the model is updated every time, even if there is no change in the value. The observable should not trigger a model change if the Text value is the same as the model value.
bundles/org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/internal/swt/TextObservableValue.java
}
	}
	/**
	 * Returns the current value of the {@link Text}.
	 * 
	 * @see org.eclipse.core.databinding.observable.value.AbstractVetoableValue#doGetValue()
	 */
	public Object doGetValue() {
		return oldValue = text.getText();
	}
	/**
	 * Returns the type of the value from {@link #doGetValue()}, i.e.
	 * String.class
	 * 
	 * @see org.eclipse.core.databinding.observable.value.IObservableValue#getValueType()
	 */
	public Object getValueType() {
		return String.class;
	}
	public void dispose() {
		if (!text.isDisposed()) {
			if (updateEventType != SWT.None) {
				text.removeListener(updateEventType, updateListener);
			}
			text.removeVerifyListener(verifyListener);
		}
		super.dispose();
	}
}