| /*=============================================================================# |
| # Copyright (c) 2012, 2017 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.internal.ecommons.emf.ui.forms; |
| |
| import java.util.Map; |
| |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.emf.edit.domain.EditingDomain; |
| import org.eclipse.emf.edit.ui.EMFEditUIPlugin; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.ui.commands.IElementUpdater; |
| import org.eclipse.ui.menus.UIElement; |
| |
| |
| public class RedoCommandHandler extends AbstractHandler implements IElementUpdater { |
| |
| |
| private final EditingDomain domain; |
| |
| |
| public RedoCommandHandler(final EditingDomain domain) { |
| this.domain= domain; |
| } |
| |
| |
| @Override |
| public void setEnabled(final Object evaluationContext) { |
| setBaseEnabled(this.domain.getCommandStack().canRedo()); |
| } |
| |
| @Override |
| public void updateElement(final UIElement element, final Map parameters) { |
| final Command command= this.domain.getCommandStack().getRedoCommand(); |
| if (command != null) { |
| final String name= EMFEditUIPlugin.INSTANCE.getString("_UI_Redo_menu_item", true); //$NON-NLS-1$ |
| element.setText(NLS.bind(name, getLabel(command))); |
| element.setTooltip(NLS.bind(name, getTipLabel(command))); |
| } |
| } |
| |
| protected String getLabel(final Command command) { |
| String label= command.getLabel(); |
| if (label == null) { |
| label= ""; //$NON-NLS-1$ |
| } |
| return label; |
| } |
| |
| protected String getTipLabel(final Command command) { |
| String label= command.getDescription(); |
| if (label == null) { |
| label= getLabel(command); |
| } |
| return label; |
| } |
| |
| @Override |
| public Object execute(final ExecutionEvent event) throws ExecutionException { |
| this.domain.getCommandStack().redo(); |
| return null; |
| } |
| |
| } |