Mercurial > projects > dwt2
diff org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/swt/LabelObservableValue.d @ 78:0a55d2d5a946
Added file for databinding
author | Frank Benoit <benoit@tionex.de> |
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date | Tue, 14 Apr 2009 11:35:29 +0200 |
parents | |
children | 6be48cf9f95c |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/swt/LabelObservableValue.d Tue Apr 14 11:35:29 2009 +0200 @@ -0,0 +1,64 @@ +/******************************************************************************* + * Copyright (c) 2005, 2008 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 + * Brad Reynolds - bug 164653 + *******************************************************************************/ +module org.eclipse.jface.internal.databinding.swt.LabelObservableValue; + +import java.lang.all; + +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.Label; + +/** + * @since 3.3 + * + */ +public class LabelObservableValue : AbstractSWTObservableValue { + + private final Label label; + + /** + * @param label + */ + public this(Label label) { + super(label); + this.label = label; + } + + /** + * @param realm + * @param label + */ + public this(Realm realm, Label label) { + super(realm, label); + this.label = label; + } + + public void doSetValue(Object value) { + String oldValue = label.getText(); + String newValue = value is null ? "" : value.toString(); //$NON-NLS-1$ + label.setText(newValue); + + if (!newValue.opEquals(oldValue)) { + fireValueChange(Diffs.createValueDiff(oldValue, newValue)); + } + } + + public Object doGetValue() { + return label.getText(); + } + + public Object getValueType() { + return String.classinfo; + } + +}