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corejava/corejava第10版/v2ch11/dndImage/ImageTransferable.java
T
2019-05-22 19:31:49 +08:00

44 lines
891 B
Java

package dndImage;
import java.awt.*;
import java.awt.datatransfer.*;
/**
* This class is a wrapper for the data transfer of image objects.
*/
public class ImageTransferable implements Transferable
{
private Image theImage;
/**
* Constructs the selection.
* @param image an image
*/
public ImageTransferable(Image image)
{
theImage = image;
}
public DataFlavor[] getTransferDataFlavors()
{
return new DataFlavor[] { DataFlavor.imageFlavor };
}
public boolean isDataFlavorSupported(DataFlavor flavor)
{
return flavor.equals(DataFlavor.imageFlavor);
}
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException
{
if (flavor.equals(DataFlavor.imageFlavor))
{
return theImage;
}
else
{
throw new UnsupportedFlavorException(flavor);
}
}
}