/*
This file is part of RouteConverter.
RouteConverter 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.
RouteConverter 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 RouteConverter; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Copyright (C) 2007 Christian Pesch. All Rights Reserved.
*/
package slash.navigation.converter.gui.dnd;
import slash.navigation.routes.impl.CategoryTreeNode;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.io.IOException;
import java.util.List;
/**
* Acts as a container for drag and drop operations with {@link CategoryTreeNode}s.
*
* @author Christian Pesch
*/
public class CategorySelection implements Transferable {
public static final DataFlavor categoryFlavor = new DataFlavor(CategorySelection.class, "List of Categories");
private final List<CategoryTreeNode> categories;
public CategorySelection(List<CategoryTreeNode> categories) {
this.categories = categories;
}
public DataFlavor[] getTransferDataFlavors() {
return new DataFlavor[]{categoryFlavor};
}
public boolean isDataFlavorSupported(DataFlavor flavor) {
return categoryFlavor.equals(flavor);
}
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
if (!isDataFlavorSupported(flavor))
throw new UnsupportedFlavorException(categoryFlavor);
return categories;
}
}