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>
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;
+    }
+
+}