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A simple node-relationship editor

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/** 
 * Copyright (C) 2010  Jorge J. Gomez-Sanz
 * 
 * This file is part of the INGENME tool. INGENME is an open source meta-editor
 * which produces customized editors for user-defined modeling languages
 *
 * This program 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 version 3 of the License
 *
 * This program 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 this program.  If not, see 
 **/

package ingenias.editor.actions;

import ingenias.editor.ClipImage;
import ingenias.editor.GUIResources;
import ingenias.editor.IDEState;

import java.awt.Graphics;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.ClipboardOwner;
import java.awt.datatransfer.Transferable;
import java.awt.event.ActionEvent;
import java.awt.image.BufferedImage;

import org.jgraph.JGraph;

public class CopyImageToClipboardAction implements ClipboardOwner{
	
	private IDEState ids;
	private GUIResources resources;
	
	public CopyImageToClipboardAction(IDEState ids, GUIResources resources){
		this.ids=ids;
		this.resources=resources;
	}
	
	public void cpClipboard_actionPerformed() {
		JGraph graph = this.ids.editor.getGraph();
		try {			
			if (graph != null) {
				graph.setPortsVisible(false);
				BufferedImage im = new BufferedImage(graph.getPreferredSize().width,
						graph.getPreferredSize().height,
						BufferedImage.TYPE_INT_ARGB);
				Graphics g = im.getGraphics();
				//				Disable double buffer to avoid batik exceptions
				graph.setDoubleBuffered(false);
				//				Render into the SVG Graphics2D implementation
				graph.setVisible(true);
				graph.setSize(graph.getPreferredSize());
				graph.paint(g);
				//				Enable the buffer again
				graph.setDoubleBuffered(true);
				g.dispose();

				// Work around a Sun bug that causes a hang in "sun.awt.image.ImageRepresentation.reconstruct".




				ClipImage ci = new ClipImage(im);
				Toolkit.getDefaultToolkit().getSystemClipboard().setContents(ci, this);

			}
		}
		catch (Exception ae) {
			ae.printStackTrace();
		}
		graph.setPortsVisible(true);

	}

	public void lostOwnership(Clipboard clipboard, Transferable contents) {
		// TODO Auto-generated method stub
		
	}
}