/*******************************************************************************
* Copyright (c) 2000, 2013 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.dnd;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Tree;
/**
* This class provides default implementations to display a source image when a
* drag is initiated from a <code>Tree</code>.
*
* <p>
* Classes that wish to provide their own source image for a <code>Tree</code>
* can extend <code>TreeDragSourceEffect</code> class and override the
* <code>TreeDragSourceEffect.dragStart</code> method and set the field
* <code>DragSourceEvent.image</code> with their own image.
* </p>
*
* Subclasses that override any methods of this class must call the
* corresponding <code>super</code> method to get the default drag under effect
* implementation.
*
* @see DragSourceEffect
* @see DragSourceEvent
* @see <a href="http://www.eclipse.org/swt/">Sample code and further
* information</a>
*
* @since 3.3
*/
public class TreeDragSourceEffect extends DragSourceEffect {
Image dragSourceImage = null;
/**
* Creates a new <code>TreeDragSourceEffect</code> to handle drag effect
* from the specified <code>Tree</code>.
*
* @param tree
* the <code>Tree</code> that the user clicks on to initiate the
* drag
*/
public TreeDragSourceEffect(Tree tree) {
super(tree);
}
}