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Java > Open Source Codes > org > eclipse > jdt > internal > ui > viewsupport > ISelectionListenerWithAST


1 /*******************************************************************************
2  * Copyright (c) 2000, 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.jdt.internal.ui.viewsupport;
12
13 import org.eclipse.jface.text.ITextSelection;
14
15 import org.eclipse.ui.IEditorPart;
16
17 import org.eclipse.jdt.core.dom.CompilationUnit;
18
19 /**
20  * Listener to be informed on text selection changes in an editor (post selection), including the corresponding AST.
21  * The AST is shared and must not be modified.
22  * Listeners can be registered in a <code>SelectionListenerWithASTManager</code>.
23  */
24 public interface ISelectionListenerWithAST {
25     
26     /**
27      * Called when a selection has changed. The method is called in a post selection event in an background
28      * thread.
29      *
30      * @param part The editor part in which the selection change has occurred.
31      * @param selection The new text selection
32      * @param astRoot The AST tree corresponding to the editor's input. This AST is shared and must
33      * not be modified.
34      */
35     void selectionChanged(IEditorPart part, ITextSelection selection, CompilationUnit astRoot);
36
37 }
38
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