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Java > Open Source Codes > org > eclipse > ui > internal > presentations > util > TabDragHandler


1 /*******************************************************************************
2  * Copyright (c) 2004, 2005 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.ui.internal.presentations.util;
12
13 import org.eclipse.swt.graphics.Point;
14 import org.eclipse.swt.widgets.Control;
15 import org.eclipse.ui.presentations.StackDropResult;
16
17 /**
18  * @since 3.0
19  */
20 public abstract class TabDragHandler {
21
22     /**
23      * Returns the StackDropResult for the location being dragged over.
24      *
25      * @param currentControl control being dragged over
26      * @param location mouse position (display coordinates)
27      * @param initialTab the index of the tab in this stack being dragged,
28      * or -1 if dragging a tab from another stack.
29      * @return the StackDropResult for this drag location
30      */
31     public abstract StackDropResult dragOver(Control currentControl,
32             Point location, int initialTab);
33
34     public abstract int getInsertionPosition(Object JavaDoc cookie);
35 }
36
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