filedrag.java

用NETBEANS做的实现了飞鸽的所有功能

/*
 * FileDrag.java
 *
 * Created on 2007年7月3日, 下午9:41
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package trans;

import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.io.File;
import java.io.IOException;
import java.util.List;
import javax.swing.JComponent;
import javax.swing.TransferHandler;

/**
 *
 * @author 鹏飞
 */
public class FileDrag extends TransferHandler {
    public boolean importData( JComponent c, Transferable t ) {
        try {
            List files = ( List )t.getTransferData(DataFlavor.javaFileListFlavor);
            MainFrame.m.fileVector.addAll ( files );
            MainFrame.m.paintList ();
            return true;
        }
        catch ( UnsupportedFlavorException ufe ) {
             ufe.printStackTrace();
        }
        catch (IOException e) {
        e.printStackTrace();
        }
        return false;
    }

    public boolean canImport(JComponent c, DataFlavor[] flavors) {
      for (int i = 0; i < flavors.length; i++) {
        if (DataFlavor.javaFileListFlavor.equals(flavors[i])) {
            return true;
        }
      }
      return false;
    }
    
    /** Creates a new instance of FileDrag */
    public FileDrag ()
    {
    }
    
}