MainFrameTransferHandler16.java

/*
 * Lilith - a log event viewer.
 * Copyright (C) 2007-2011 Joern Huxhorn
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */
package de.huxhorn.lilith.swing.transfer;

import de.huxhorn.lilith.swing.MainFrame;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import javax.swing.TransferHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * This class is handling d&d as expected by 1.6.
 * It supports dropping files on the whole frame instead of only on the desktop.
 */
public class MainFrameTransferHandler16
	extends MainFrameTransferHandler
{
	private static final long serialVersionUID = 8433120912443123761L;
	private final Logger logger = LoggerFactory.getLogger(MainFrameTransferHandler16.class);


	public MainFrameTransferHandler16(MainFrame mainFrame)
	{
		super(mainFrame);
	}

	public void attach()
	{
		super.attach();
		mainFrame.setTransferHandler(this);
		if(logger.isDebugEnabled()) logger.debug("Attached transfer handler to mainFrame.");
	}

	@Override
	public boolean canImport(TransferHandler.TransferSupport support)
	{
		if(!support.isDataFlavorSupported(DataFlavor.javaFileListFlavor))
		{
			return false;
		}

		if((COPY & support.getSourceDropActions()) == 0)
		{
			return false;
		}

		return true;
	}

	@Override
	public boolean importData(TransferHandler.TransferSupport support)
	{
		if(!canImport(support))
		{
			return false;
		}

		Transferable t = support.getTransferable();
		return importData(t);
	}
}