MatrixTreeTransferable.java

package net.squiz.matrix.matrixtree;

import java.awt.datatransfer.*;
import java.util.*;
import java.io.*;
import javax.swing.tree.*;

public class MatrixTreeTransferable implements Transferable, Serializable {

    public static final DataFlavor TREE_NODE_FLAVOUR
        = new DataFlavor(MatrixTreeNode.class, "Matrix Tree Node");

    static DataFlavor flavors[] = { TREE_NODE_FLAVOUR };

    private final List paths;

    public MatrixTreeTransferable(TreePath[] paths) {
        this.paths = Arrays.asList(paths);
    }

    public Object getTransferData(DataFlavor flavor)
        throws UnsupportedFlavorException, IOException {
            if (flavor.equals(TREE_NODE_FLAVOUR))
                return paths;
            else
                throw new UnsupportedFlavorException(flavor);
    }

    public DataFlavor[] getTransferDataFlavors() {
        return flavors;
    }

    public boolean isDataFlavorSupported(DataFlavor flavor) {
        return flavor.equals(TREE_NODE_FLAVOUR);
    }
}