--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.jface/src/org/eclipse/jface/preference/IPreferenceNode.d	Sat Mar 14 18:23:29 2009 +0100
@@ -0,0 +1,120 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2006 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.preference.IPreferenceNode;
+
+import org.eclipse.jface.preference.IPreferencePage;
+
+import org.eclipse.swt.graphics.Image;
+import java.lang.all;
+
+/**
+ * Interface to a node in a preference dialog.
+ * A preference node maintains a label and image used to display the
+ * node in a preference dialog (usually in the form of a tree),
+ * as well as the preference page this node stands for.
+ *
+ * The node may use lazy creation for its page
+ *
+ * Note that all preference nodes must be dispose their resources.
+ * The node must dispose the page managed by this node, and any SWT resources
+ * allocated by this node (Images, Fonts, etc).
+ * However the node itself may be reused.
+ */
+public interface IPreferenceNode {
+    /**
+     * Adds the given preference node as a subnode of this
+     * preference node.
+     *
+     * @param node the node to add
+     */
+    public void add(IPreferenceNode node);
+
+    /**
+     * Creates the preference page for this node.
+     */
+    public void createPage();
+
+    /**
+     * Release the page managed by this node, and any SWT resources
+     * held onto by this node (Images, Fonts, etc).
+     *
+     * Note that nodes are reused so this is not a call to dispose the
+     * node itself.
+     */
+    public void disposeResources();
+
+    /**
+     * Returns the subnode of this contribution node with the given node id.
+     *
+     * @param id the preference node id
+     * @return the subnode, or <code>null</code> if none
+     */
+    public IPreferenceNode findSubNode(String id);
+
+    /**
+     * Returns the id of this contribution node.
+     * This id identifies a contribution node relative to its parent.
+     *
+     * @return the node id
+     */
+    public String getId();
+
+    /**
+     * Returns the image used to present this node in a preference dialog.
+     *
+     * @return the image for this node, or <code>null</code>
+     *   if there is no image for this node
+     */
+    public Image getLabelImage();
+
+    /**
+     * Returns the text label used to present this node in a preference dialog.
+     *
+     * @return the text label for this node, or <code>null</code>
+     *   if there is no label for this node
+     */
+    public String getLabelText();
+
+    /**
+     * Returns the preference page for this node.
+     *
+     * @return the preference page
+     */
+    public IPreferencePage getPage();
+
+    /**
+     * Returns an iterator over the subnodes (immediate children)
+     * of this contribution node.
+     *
+     * @return an IPreferenceNode array containing the child nodes
+     */
+    public IPreferenceNode[] getSubNodes();
+
+    /**
+     * Removes the subnode of this preference node with the given node id.
+     *
+     * @param id the subnode id
+     * @return the removed subnode, or <code>null</code> if none
+     */
+    public IPreferenceNode remove(String id);
+
+    /**
+     * Removes the given preference node from the list of subnodes
+     * (immediate children) of this node.
+     *
+     * @param node the node to remove
+     * @return <code>true</code> if the node was removed,
+     *  and <code>false</code> otherwise
+     */
+    public bool remove(IPreferenceNode node);
+}