| /******************************************************************************* |
| * Copyright (c) 2007 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.internal.databinding.internal.swt; |
| |
| import org.eclipse.core.databinding.observable.Diffs; |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue; |
| import org.eclipse.swt.widgets.Text; |
| |
| /** |
| * Observable value for the editable property of a Text. |
| * |
| * @since 1.1 |
| */ |
| public class TextEditableObservableValue extends AbstractSWTObservableValue { |
| private Text text; |
| |
| /** |
| * @param text |
| */ |
| public TextEditableObservableValue(Text text) { |
| super(text); |
| this.text = text; |
| } |
| |
| /** |
| * @param realm |
| * @param text |
| */ |
| public TextEditableObservableValue(Realm realm, Text text) { |
| super(realm, text); |
| this.text = text; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#doGetValue() |
| */ |
| protected Object doGetValue() { |
| return (text.getEditable()) ? Boolean.TRUE : Boolean.FALSE; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.databinding.observable.value.IObservableValue#getValueType() |
| */ |
| public Object getValueType() { |
| return Boolean.TYPE; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#doSetValue(java.lang.Object) |
| */ |
| protected void doSetValue(Object value) { |
| if (value == null) { |
| throw new IllegalArgumentException("Parameter value was null."); //$NON-NLS-1$ |
| } |
| |
| Boolean oldValue = new Boolean(text.getEditable()); |
| Boolean newValue = (Boolean) value; |
| |
| text.setEditable(newValue.booleanValue()); |
| |
| if (!oldValue.equals(newValue)) { |
| fireValueChange(Diffs.createValueDiff(oldValue, newValue)); |
| } |
| } |
| } |