org.eclipse.emf.ecp.xmiworkspace/src/org/eclipse/emf/ecp/xmiworkspace/commands/ImportFolderHandler.java

/*******************************************************************************
 * Copyright (c) 2008-2011 Chair for Applied Software Engineering,
 * Technische Universitaet Muenchen.
 * 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:
 ******************************************************************************/
package org.eclipse.emf.ecp.xmiworkspace.commands;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.emf.ecp.common.commands.ECPCommand;
import org.eclipse.emf.ecp.common.model.ECPWorkspaceManager;
import org.eclipse.emf.ecp.common.model.NoWorkspaceException;
import org.eclipse.emf.ecp.common.model.workSpaceModel.ECPWorkspace;
import org.eclipse.emf.ecp.xmiworkspace.exceptions.XMIWorkspaceException;
import org.eclipse.emf.ecp.xmiworkspace.structure.StructureFactory;
import org.eclipse.emf.ecp.xmiworkspace.structure.XMIECPFileProject;
import org.eclipse.emf.ecp.xmiworkspace.views.ImportFolderDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.ui.PlatformUI;

/**
 * Handler for importing files from a folder.
 * 
 * @author kraftm, maierma
 * 
 */
public class ImportFolderHandler extends AbstractHandler {

	/**
	 * Files that can be loaded as an xmi resource.
	 */
	private List<String> files = new ArrayList<String>();

	/**
	 * {@inheritDoc}
	 */
	public Object execute(ExecutionEvent event) throws ExecutionException {
		ImportFolderDialog dialog = new ImportFolderDialog(PlatformUI
				.getWorkbench().getDisplay().getActiveShell(), this);

		files.clear();
		if (dialog.open() == Window.OK) {
			try {
				final ECPWorkspace ws = ECPWorkspaceManager.getInstance()
						.getWorkSpace();

				// Go through all loadable files and make projects out of them.
				for (String filePath : files) {

					// set the name of the project as the full path of the
					// project
					final String projectName = filePath;
					final String projectLocation = filePath;

					// wrap creation in command
					new ECPCommand(ws) {
						@Override
						protected void doRun() {
							// create a blank project
							XMIECPFileProject project = StructureFactory.eINSTANCE
									.createXMIECPFileProject();

							// set project infos
							project.setProjectName(projectName);
							project.setProjectDescription("Imported Project");
							project.setXmiFilePath(projectLocation);

							ws.getProjects().add(project);
							project.loadContents();
							ws.setActiveProject(project);
						}
					}.run(true);

				}

			} catch (NoWorkspaceException e) {
				new XMIWorkspaceException(
						"Could not add project to workspace. Unknown workspace.");
			}
		}

		return null;
	}

	/**
	 * Adds loadable files to handler.
	 * 
	 * @param files
	 *            Files that can be loaded as an xmi resource.
	 */
	public void addLoadableFiles(List<String> files) {
		this.files.addAll(files);
	}
}