/*******************************************************************************
 * Copyright (c) 2008, 2012 Obeo.
 * 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:
 *     Obeo - initial API and implementation
 *******************************************************************************/
package org.eclipse.emf.eef.codegen.ui.initializer.actions;

import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.eef.codegen.EEFCodegenPlugin;
import org.eclipse.emf.eef.codegen.core.initializer.AbstractPropertiesInitializer;
import org.eclipse.emf.eef.codegen.ui.initializer.ui.InitializeEEFModelsDialog;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IActionDelegate;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;

/**
 * @author <a href="mailto:goulwen.lefur@obeo.fr">Goulwen Le Fur</a>
 */
public class InitializeEEFModelsAction implements IObjectActionDelegate {

	private Shell shell;

	private URI modelURI;

	private IFile selectedFile = null;

	/**
	 * Constructor for Action1.
	 */
	public InitializeEEFModelsAction() {
		super();
	}

	/**
	 * @see IObjectActionDelegate#setActivePart(IAction, IWorkbenchPart)
	 */
	public void setActivePart(IAction action, IWorkbenchPart targetPart) {
		shell = targetPart.getSite().getShell();
	}

	/**
	 * @see IActionDelegate#run(IAction)
	 */
	public void run(IAction action) {
		if (selectedFile != null) {
			InitializeEEFModelsDialog dialog = new InitializeEEFModelsDialog(shell, selectedFile.getParent(),
					false, "Select a destination container for models :");
			dialog.setTitle("Container Selection");
			dialog.open();
			Object[] result = dialog.getResult();
			if (result != null && result.length >= 1) {
				try {
					IContainer container;
					IPath path = (IPath)result[0];
					if (path.segmentCount() == 1) {
						container = (IContainer)ResourcesPlugin.getWorkspace().getRoot().getProject(path.toString());
					} else {
						container = (IContainer)ResourcesPlugin.getWorkspace().getRoot().getFolder(path);
					}
					modelURI = URI.createPlatformResourceURI(selectedFile.getFullPath().toString(), false);
					AbstractPropertiesInitializer initializer = dialog.getInitializer();
					initializer.initialize(modelURI, container);
					container.refreshLocal(IResource.DEPTH_INFINITE, new NullProgressMonitor());
				} catch (Exception e) {
					EEFCodegenPlugin.getDefault().logError(e);
				}
			}
		}
	}

	/**
	 * @see IActionDelegate#selectionChanged(IAction, ISelection)
	 */
	public void selectionChanged(IAction action, ISelection selection) {
		if (selection instanceof StructuredSelection) {
			StructuredSelection sSelection = (StructuredSelection)selection;
			if (sSelection.getFirstElement() instanceof IFile) {
				this.selectedFile = (IFile)sSelection.getFirstElement();
			}

		}
	}

}