blob: de8c898fb52b5756279f8cf020bff8e98d9ddd7e (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/*******************************************************************************
* Copyright (c) 2007, 2009 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.common.utility.model.listener;
import java.util.EventListener;
import org.eclipse.jpt.common.utility.model.event.TreeAddEvent;
import org.eclipse.jpt.common.utility.model.event.TreeChangeEvent;
import org.eclipse.jpt.common.utility.model.event.TreeClearEvent;
import org.eclipse.jpt.common.utility.model.event.TreeRemoveEvent;
/**
* A "tree change" event gets fired whenever a model changes a "bound"
* tree. You can register a <code>TreeChangeListener</code> with a source
* model so as to be notified of any bound tree updates.
* <p>
* Provisional API: This interface is part of an interim API that is still
* under development and expected to change significantly before reaching
* stability. It is available at this early stage to solicit feedback from
* pioneering adopters on the understanding that any code that uses this API
* will almost certainly be broken (repeatedly) as the API evolves.
*/
public interface TreeChangeListener extends EventListener {
/**
* This method gets called when a node is added to a bound tree.
*
* @param event An event describing the event source,
* the tree that changed, and the path to the node that was added.
*/
void nodeAdded(TreeAddEvent event);
/**
* This method gets called when a node is removed from a bound tree.
*
* @param event An event describing the event source,
* the tree that changed, and the path to the node that was removed.
*/
void nodeRemoved(TreeRemoveEvent event);
/**
* This method gets called when a bound tree is cleared.
*
* @param event An event describing the event source,
* the tree that changed, and an empty path.
*/
void treeCleared(TreeClearEvent event);
/**
* This method gets called when a portion of a bound tree is changed in
* a manner that is not easily characterized by the other methods in this
* interface.
*
* @param event An event describing the event source,
* the tree that changed, and the current state of the
* tree that changed.
*/
void treeChanged(TreeChangeEvent event);
}
|
