TransferableTreeNode.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2023 The Gridarta Developers.
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package net.sf.gridarta.gui.mapmenu;
 
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import javax.swing.tree.TreePath;
import org.jetbrains.annotations.NotNull;
 
public class TransferableTreeNode implements Transferable {
 
    @NotNull
    private static final DataFlavor TREE_PATH_FLAVOR = new DataFlavor(TreePath.class, "Tree Path");
 
    @NotNull
    private final TreePath treePath;
 
    public TransferableTreeNode(@NotNull final TreePath treePath) {
        this.treePath = treePath;
    }
 
    @NotNull
    @Override
    public DataFlavor @NotNull [] getTransferDataFlavors() {
        return new DataFlavor[] { TREE_PATH_FLAVOR, };
    }
 
    @Override
    public boolean isDataFlavorSupported(@NotNull final DataFlavor flavor) {
        return flavor.getRepresentationClass() == TreePath.class;
    }
 
    @Override
    @NotNull
    public TreePath getTransferData(@NotNull final DataFlavor flavor) throws UnsupportedFlavorException {
        if (isDataFlavorSupported(flavor)) {
            return treePath;
        }
 
        throw new UnsupportedFlavorException(flavor);
    }
 
}