--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.jface/src/org/eclipse/jface/viewers/ICheckable.d	Sat Mar 14 18:23:29 2009 +0100
@@ -0,0 +1,63 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2007 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
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+module org.eclipse.jface.viewers.ICheckable;
+
+import java.lang.all;
+
+import org.eclipse.jface.viewers.ICheckStateListener;
+
+/**
+ * Interface for objects that support elements with a checked state.
+ *
+ * @see ICheckStateListener
+ * @see CheckStateChangedEvent
+ */
+public interface ICheckable {
+    /**
+     * Adds a listener for changes to the checked state of elements
+     * in this viewer.
+     * Has no effect if an identical listener is already registered.
+     *
+     * @param listener a check state listener
+     */
+    public void addCheckStateListener(ICheckStateListener listener);
+
+    /**
+     * Returns the checked state of the given element.
+     *
+     * @param element the element
+     * @return <code>true</code> if the element is checked,
+     *   and <code>false</code> if not checked
+     */
+    public bool getChecked(Object element);
+
+    /**
+     * Removes the given check state listener from this viewer.
+     * Has no effect if an identical listener is not registered.
+     *
+     * @param listener a check state listener
+     */
+    public void removeCheckStateListener(ICheckStateListener listener);
+
+    /**
+     * Sets the checked state for the given element in this viewer.
+     * Does not fire events to check state listeners.
+     *
+     * @param element the element
+     * @param state <code>true</code> if the item should be checked,
+     *  and <code>false</code> if it should be unchecked
+     * @return <code>true</code> if the checked state could be set,
+     *  and <code>false</code> otherwise
+     */
+    public bool setChecked(Object element, bool state);
+}