| /******************************************************************************* |
| * Copyright (c) 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 |
| ******************************************************************************/ |
| |
| package org.eclipse.ui.menus; |
| |
| import org.eclipse.core.expressions.Expression; |
| import org.eclipse.jface.action.IContributionItem; |
| import org.eclipse.jface.action.IContributionManager; |
| |
| /** |
| * Instances of this interface represent a position in the contribution |
| * hierarchy into which {@link AbstractContributionFactory} instances may insert |
| * elements. Instances of this interface are provided by the platform and this |
| * interface should <b>NOT</b> be implemented by clients. |
| * |
| * |
| * @since 3.3 |
| */ |
| public interface IContributionRoot { |
| /** |
| * Adds a given contribution item with provided visibility expression and |
| * kill-switch filtering as a direct child of this container. This should be |
| * called for all top-level elements created in |
| * {@link AbstractContributionFactory#createContributionItems(org.eclipse.ui.services.IServiceLocator, IContributionRoot)} |
| * |
| * @param item |
| * the item to add |
| * @param visibleWhen |
| * the visibility expression. May be <code>null</code>. |
| */ |
| public void addContributionItem(IContributionItem item, |
| Expression visibleWhen); |
| |
| /** |
| * Registers visibilty for arbitrary {@link IContributionItem} instances |
| * that are <b>NOT</b> direct children of this container. Ie: children of a |
| * {@link IContributionManager} that has been previously registered with a |
| * call to {{@link #addContributionItem(IContributionItem, Expression)}. |
| * |
| * @param item |
| * the item for which to register a visibility clause |
| * @param visibleWhen |
| * the visibility expression. May be <code>null</code> in which |
| * case this method is a no-op. |
| */ |
| public void registerVisibilityForChild(IContributionItem item, |
| Expression visibleWhen); |
| } |