1 files changed, 46 insertions, 0 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/events/TreeAdapter.java b/bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/events/TreeAdapter.java
new file mode 100755
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+++ b/bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/events/TreeAdapter.java
@@ -0,0 +1,46 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 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
+ *******************************************************************************/
+package org.eclipse.swt.events;
+
+
+/**
+ * This adapter class provides default implementations for the
+ * methods described by the <code>TreeListener</code> interface.
+ * <p>
+ * Classes that wish to deal with <code>TreeEvent</code>s can
+ * extend this class and override only the methods which they are
+ * interested in.
+ * </p>
+ *
+ * @see TreeListener
+ * @see TreeEvent
+ * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
+ */
+public abstract class TreeAdapter implements TreeListener {
+
+/**
+ * Sent when a tree branch is collapsed.
+ * The default behavior is to do nothing.
+ *
+ * @param e an event containing information about the tree operation
+ */
+public void treeCollapsed(TreeEvent e) {
+}
+
+/**
+ * Sent when a tree branch is expanded.
+ * The default behavior is to do nothing.
+ *
+ * @param e an event containing information about the tree operation
+ */
+public void treeExpanded(TreeEvent e) {
+}
+}