/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.wkf.view;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.logging.Logger;

import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JScrollPane;

import org.openflexo.foundation.wkf.FlexoProcess;
import org.openflexo.localization.FlexoLocalization;
import org.openflexo.view.FlexoRelativeWindow;
import org.openflexo.wkf.WKFCst;
import org.openflexo.wkf.controller.WKFController;
import org.openflexo.wkf.processeditor.ProcessEditorController;

/**
 * Please comment this class
 * 
 * @author sguerin
 * 
 */
public class ExternalProcessViewWindow extends FlexoRelativeWindow {

	private static final Logger logger = Logger.getLogger(ExternalProcessViewWindow.class.getPackage().getName());

	private ProcessEditorController _processEditorController;

	// ==========================================================================
	// ============================= Constructor
	// ================================
	// ==========================================================================

	public ExternalProcessViewWindow(WKFController controller, FlexoProcess process) {
		super(controller.getFlexoFrame());
		getContentPane().setLayout(new BorderLayout());

		_processEditorController = new ProcessEditorController(process, controller, null);

		JPanel mainView;
		JPanel topPanel = new JPanel(new BorderLayout());
		topPanel.add(_processEditorController.getScalePanel(), BorderLayout.WEST);
		JPanel controlPanel = new JPanel(new FlowLayout());
		JButton closeButton = new JButton(FlexoLocalization.localizedForKey("close"));
		closeButton.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				closeWindow();
			}
		});
		controlPanel.add(closeButton);
		topPanel.add(controlPanel, BorderLayout.EAST);
		mainView = new JPanel(new BorderLayout());
		mainView.add(topPanel, BorderLayout.NORTH);
		mainView.add(new JScrollPane(_processEditorController.getDrawingView()), BorderLayout.CENTER);
		mainView.setPreferredSize(new Dimension(500, 500));
		_processEditorController.setScale(0.5);

		getContentPane().add(mainView, BorderLayout.CENTER);

		setTitle(process.getName());
		setSize(WKFCst.DEFAULT_EXTERNAL_VIEW_WIDTH, WKFCst.DEFAULT_EXTERNAL_VIEW_HEIGHT);
		setLocation(100, 100);

		addWindowListener(new WindowAdapter() {
			@Override
			public void windowClosing(WindowEvent event) {
				closeWindow();
			}
		});

		validate();
		pack();
	}

	/**
	 * Implements
	 * 
	 * @see org.openflexo.view.FlexoRelativeWindow#getName()
	 */
	@Override
	public String getName() {
		if (getFlexoProcess() != null) {
			return getFlexoProcess().getName();
		} else {
			return FlexoLocalization.localizedForKey("unnamed");
		}
	}

	@Override
	public String getLocalizedName() {
		if (getFlexoProcess() != null) {
			return getFlexoProcess().getName();
		} else {
			return FlexoLocalization.localizedForKey(getName());
		}
	}

	public FlexoProcess getFlexoProcess() {
		if (_processEditorController != null && _processEditorController.getDrawing() != null) {
			return _processEditorController.getDrawing().getFlexoProcess();
		}
		return null;
	}

	public void closeWindow() {
		logger.info("Closing ExternalProcessViewWindow");
		if (_processEditorController != null) {
			_processEditorController.delete();
		}
		_processEditorController = null;
		dispose();
	}

}