pictureselection.java

一个简单的visio程序。

package HAB.object;

import java.awt.*;
import java.awt.datatransfer.*;
import java.io.*;

public class PictureSelection implements Transferable,ClipboardOwner 
{
	static public DataFlavor PictureFlavor;

	private DataFlavor[] flavors = {PictureFlavor};
	private Picture image;
	static {
		try {
         PictureFlavor = new DataFlavor(HAB.object.Picture.class, "AWT Picture");
		}
		catch(Exception e) 
		{
         throw new Error(" Missing the Method :"+ e);
		}
	}
	public PictureSelection(Picture image)
	{
		this.image = image;
	}
	public synchronized DataFlavor[] getTransferDataFlavors() 
	{
		return flavors;
	}
	public boolean isDataFlavorSupported(DataFlavor flavor)
	{
		return flavor.equals(PictureFlavor);
	}
	public synchronized Object getTransferData(DataFlavor flavor)throws UnsupportedFlavorException, IOException 
	{
		if(flavor.equals(PictureFlavor)) 
		{
			return image;
		}
		else {
			throw new UnsupportedFlavorException(flavor);
		}
	}
	public void lostOwnership(Clipboard c, Transferable t) {
	}
}