| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.gef.ui.palette.customize; |
| |
| import java.util.List; |
| |
| import org.eclipse.gef.palette.PaletteContainer; |
| import org.eclipse.gef.palette.PaletteEntry; |
| import org.eclipse.gef.palette.PaletteRoot; |
| |
| /** |
| * Abstract factory for <code>PaletteContainer</code>s |
| * |
| * <p> |
| * This class does not create <code>PaletteContainer</code>s within other |
| * </code>PaletteContainer</code>s. The necessary methods may be overridden |
| * should such functionality be desired. |
| * </p> |
| * |
| * @author Pratik Shah |
| */ |
| public abstract class PaletteContainerFactory extends PaletteEntryFactory { |
| |
| /** |
| * @see PaletteEntryFactory#determineContainerForNewEntry(PaletteEntry) |
| */ |
| protected PaletteContainer determineContainerForNewEntry( |
| PaletteEntry selected) { |
| if (selected instanceof PaletteRoot) |
| return (PaletteContainer) selected; |
| PaletteContainer current = selected.getParent(); |
| while (!(current instanceof PaletteRoot)) |
| current = current.getParent(); |
| return current; |
| } |
| |
| /** |
| * @see PaletteEntryFactory#determineIndexForNewEntry(PaletteContainer, |
| * PaletteEntry) |
| */ |
| protected int determineIndexForNewEntry(PaletteContainer parent, |
| PaletteEntry selected) { |
| if (parent == selected) { |
| return 0; |
| } |
| |
| List children = parent.getChildren(); |
| PaletteEntry current = selected; |
| while (!children.contains(current)) { |
| current = current.getParent(); |
| } |
| return children.indexOf(current) + 1; |
| } |
| |
| /** |
| * You can always create a new container. So, this method always returns |
| * true. |
| * |
| * @see org.eclipse.gef.ui.palette.customize.PaletteEntryFactory#canCreate(PaletteEntry) |
| */ |
| public boolean canCreate(PaletteEntry selected) { |
| return true; |
| } |
| |
| } |