src/org/objectweb/cjdbc/console/gui/dnd/listeners/ControllerTransferListener.java

説明を見る。

package org.objectweb.cjdbc.console.gui.dnd.listeners;

import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DropTarget;
import java.awt.dnd.DropTargetDropEvent;

import javax.swing.JButton;

import org.objectweb.cjdbc.console.gui.CjdbcGui;

public class ControllerTransferListener extends AbstractGuiDropListener
{
  
  public ControllerTransferListener(CjdbcGui gui)
  {
    super(gui);
  }
  
  
  public void drop(DropTargetDropEvent dtde)
  {
    dtde.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
    DropTarget target = ((DropTarget) dtde.getSource());
    Transferable transfer = dtde.getTransferable();
    
    JButton bo = (JButton) target.getComponent();
    try
    {
      // This is the flavor for backends 
      Object data = transfer.getTransferData(DataFlavor.plainTextFlavor);
      if(data==null)
      {
        // We have to transfer a configuration file
        data = transfer.getTransferData(DataFlavor.stringFlavor);
        gui.publicActionExecuteControllerDrop(data.toString(), bo.getText());
      }
      else
      {
        // we transfer a backend from one controller to another one
        gui.publicActionExecuteTransfer(data.toString(),bo.getText());
      }
      dtde.dropComplete(true);
    }
    catch (Exception e)
    {
      dtde.dropComplete(true);
      gui.appendDebugText("Failed to execute Drag and drop for targer:"
          + bo.getText());
    }
    finally
    {
      dtde.dropComplete(true);
      gui.publicActionRefreshCursorShape();
    }
  }
}

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