blob: 9e63c62b5840df6c8d9c6100632e75ec8f91e9c7 (
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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/*******************************************************************************
* Copyright (c) 2007, 2016 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.value;
import org.eclipse.jpt.common.utility.internal.transformer.TransformerAdapter;
import org.eclipse.jpt.common.utility.transformer.Transformer;
/**
* Extend {@link ModifiablePropertyValueModel} to better support
* {@link org.eclipse.jpt.common.utility.internal.model.value.swing.TreeModelAdapter}.
* <p>
* Implementors of this interface should fire a "state change" event
* whenever the node's internal state changes in a way that the
* tree listeners should be notified.
* <p>
* Implementors of this interface should also fire a "value property change"
* event whenever the node's value changes. Typically, only nodes that
* hold "primitive" data will fire this event.
* <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.
*
* @param <V> the type of values held by the model
*
* @see org.eclipse.jpt.common.utility.internal.model.value.AbstractTreeNodeValueModel
*/
public interface TreeNodeValueModel<V>
extends ModifiablePropertyValueModel<V>
{
/**
* Return the node's parent node; null if the node
* is the root.
*/
TreeNodeValueModel<V> parent();
@SuppressWarnings("rawtypes")
Transformer PARENT_TRANSFORMER = new ParentTransformer();
class ParentTransformer<V>
extends TransformerAdapter<TreeNodeValueModel<V>, TreeNodeValueModel<V>>
{
@Override
public TreeNodeValueModel<V> transform(TreeNodeValueModel<V> treeNodeValueModel) {
return treeNodeValueModel.parent();
}
}
/**
* Return the path to the node.
*/
TreeNodeValueModel<V>[] path();
/**
* Return a list value model of the node's child nodes.
*/
ListValueModel<TreeNodeValueModel<V>> childrenModel();
/**
* Return the node's child at the specified index.
*/
TreeNodeValueModel<V> child(int index);
/**
* Return the size of the node's list of children.
*/
int childrenSize();
/**
* Return the index in the node's list of children of the specified child.
*/
int indexOfChild(TreeNodeValueModel<V> child);
/**
* Return whether the node is a leaf (i.e. it has no children)
*/
boolean isLeaf();
}
|
