1 files changed, 53 insertions, 0 deletions
diff --git a/plugins/xwt/org.eclipse.papyrus.xwt/src/org/eclipse/papyrus/xwt/javabean/metadata/properties/SingleSelectionBeanProperty.java b/plugins/xwt/org.eclipse.papyrus.xwt/src/org/eclipse/papyrus/xwt/javabean/metadata/properties/SingleSelectionBeanProperty.java
new file mode 100644
index 00000000000..842f56c9f16
--- /dev/null
+++ b/plugins/xwt/org.eclipse.papyrus.xwt/src/org/eclipse/papyrus/xwt/javabean/metadata/properties/SingleSelectionBeanProperty.java
@@ -0,0 +1,53 @@
+/*******************************************************************************
+ * Copyright (c) 2006, 2010 Soyatec (http://www.soyatec.com) 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:
+ *     Soyatec - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.papyrus.xwt.javabean.metadata.properties;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.papyrus.xwt.metadata.ILoadingType;
+
+/**
+ * IViewer property
+ * 
+ * @author yyang
+ */
+public class SingleSelectionBeanProperty extends AbstractProperty {
+
+	public SingleSelectionBeanProperty(String name) {
+		this(name, ILoadingType.DEFAULT);
+	}
+
+	public SingleSelectionBeanProperty(String name, ILoadingType loadingType) {
+		super(name, Object.class, loadingType);
+	}
+
+	public Object getValue(Object source) throws IllegalArgumentException, IllegalAccessException, InvocationTargetException, SecurityException, NoSuchFieldException {
+		ISelection selection = ((ISelectionProvider)source).getSelection();
+		if(selection instanceof IStructuredSelection) {
+			return ((IStructuredSelection)selection).getFirstElement();
+		}
+		return null;
+	}
+
+	public void setValue(Object source, Object value) throws IllegalArgumentException, IllegalAccessException, InvocationTargetException, SecurityException, NoSuchFieldException {
+		IStructuredSelection selection = value == null ? StructuredSelection.EMPTY : new StructuredSelection(value);
+		if(source instanceof Viewer) {
+			((Viewer)source).setSelection(selection, true);
+		} else {
+			((ISelectionProvider)source).setSelection(selection);
+		}
+	}
+}