--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.internal.ui.wizards.dialogfields;
+
+import org.eclipse.swt.events.KeyEvent;
+
+/**
+ * Change listener used by <code>TreeListDialogField</code>
+ */
+public interface ITreeListAdapter {
+
+ /**
+ * A button from the button bar has been pressed.
+ */
+ void customButtonPressed(TreeListDialogField field, int index);
+
+ /**
+ * The selection of the list has changed.
+ */
+ void selectionChanged(TreeListDialogField field);
+
+ /**
+ * The list has been double clicked
+ */
+ void doubleClicked(TreeListDialogField field);
+
+ /**
+ * A key has been pressed
+ */
+ void keyPressed(TreeListDialogField field, KeyEvent event);
+
+ Object[] getChildren(TreeListDialogField field, Object element);
+
+ Object getParent(TreeListDialogField field, Object element);
+
+ boolean hasChildren(TreeListDialogField field, Object element);
+
+}