createlibraryaction.java

EMF、GEF官方例子源代码

/**
 * <copyright>
 *
 * Copyright (c) 2005 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 - Initial API and implementation
 *
 * </copyright>
 *
 * $Id: CreateLibraryAction.java,v 1.1 2005/11/10 18:57:56 marcelop Exp $
 */
package org.eclipse.emf.examples.extlibrary.actions;

import java.util.Collection;

import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.edit.ui.action.StaticSelectionCommandAction;
import org.eclipse.emf.examples.extlibrary.EXTLibraryFactory;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IEditorPart;


/**
 * The extended library example supports multi-rooted resources
 * and therefore this action allows the user to create a library
 * root on the resource.
 */
public class CreateLibraryAction
	extends StaticSelectionCommandAction {

	/**
	 * This constructs an instance of an action that creates a library
	 */
	public CreateLibraryAction(IEditorPart editorPart, ISelection selection) {
		super(editorPart);
		configureAction(selection);
	}

	/*
	 * @see org.eclipse.emf.edit.ui.action.StaticSelectionCommandAction#createActionCommand(org.eclipse.emf.edit.domain.EditingDomain,
	 *      java.util.Collection)
	 */
	protected Command createActionCommand(EditingDomain inputEditingDomain,
			Collection collection) {

		return new AddLibraryCommand(inputEditingDomain, ((Resource) collection
			.toArray()[0]).getContents(), EXTLibraryFactory.eINSTANCE
			.createLibrary());
	}
}