| /******************************************************************************* |
| * Copyright (c) 2014 Roman Flueckiger. |
| * 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: |
| * Roman Flueckiger <roman.flueckiger@mac.com> - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.nebula.widgets.nattable.ui.menu; |
| |
| import org.eclipse.nebula.widgets.nattable.ui.NatEventData; |
| import org.eclipse.swt.widgets.MenuItem; |
| |
| /** |
| * <p> |
| * Implementors represent a dynamic state of a {@link MenuItem} provided by a |
| * {@link IMenuItemProvider}. |
| * </p> |
| * <p> |
| * See also:<br> |
| * {@link PopupMenuBuilder#withEnabledState(String, IMenuItemState)}<br> |
| * {@link PopupMenuBuilder#withVisibleState(String, IMenuItemState)} |
| * </p> |
| */ |
| public interface IMenuItemState { |
| |
| /** |
| * Return whether this state is currently active or not. Active means, that |
| * the menu item property this state is associated with will apply. E.g. if |
| * the state is used in conjunction with 'enablement', active means the menu |
| * item is to be enabled. This method is called every time the popup menu is |
| * shown. |
| * |
| * @param natEventData |
| * NatTable location information where the popup menu was |
| * requested. |
| * @return <code>true</code> if the state is active. |
| */ |
| boolean isActive(NatEventData natEventData); |
| |
| } |
