1 /*
2 * This file is a part of CAST project.
3 * (c) Copyright 2007, AGH University of Science & Technology
4 * https://caribou.iisg.agh.edu.pl/trac/cast
5 *
6 * Licensed under the Eclipse Public License, Version 1.0 (the "License").
7 * You may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 * http://www.eclipse.org/legal/epl-v10.html
10 */
11 /*
12 * File: NewDialogContentProvider.java
13 * Created: 2009-08-04
14 * Author: kpietak
15 * $Id$
16 */
17
18 package pl.edu.agh.cast.ui.dialogs.property;
19
20 import org.eclipse.jface.viewers.ITreeContentProvider;
21 import org.eclipse.jface.viewers.Viewer;
22
23 /**
24 * Content provider for properties tree viewer in {@link PropertiesEditorDialog}. It uses {@link PropertyTreeEntry}
25 * objects as a model.
26 *
27 * @author AGH CAST Team
28 */
29 public class PropertiesContentProvider implements ITreeContentProvider {
30
31 /**
32 * {@inheritDoc}
33 *
34 * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
35 */
36 @Override
37 public Object[] getChildren(Object parentElement) {
38 if (parentElement instanceof PropertyTreeEntry) {
39 return ((PropertyTreeEntry)parentElement).getChildren().toArray();
40 }
41 return null;
42 }
43
44 /**
45 * {@inheritDoc}
46 *
47 * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
48 */
49 @Override
50 public Object getParent(Object element) {
51 if (element instanceof PropertyTreeEntry) {
52 return ((PropertyTreeEntry)element).getParent();
53 }
54 return null;
55 }
56
57 /**
58 * {@inheritDoc}
59 *
60 * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
61 */
62 @Override
63 public boolean hasChildren(Object element) {
64 if (element instanceof PropertyTreeEntry) {
65 return ((PropertyTreeEntry)element).hasChildren();
66 }
67 return false;
68 }
69
70 /**
71 * {@inheritDoc}
72 *
73 * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
74 */
75 @Override
76 public Object[] getElements(Object inputElement) {
77 return getChildren(inputElement);
78 }
79
80 /**
81 * {@inheritDoc}
82 *
83 * @see org.eclipse.jface.viewers.IContentProvider#dispose()
84 */
85 @Override
86 public void dispose() {
87
88 }
89
90 /**
91 * {@inheritDoc}
92 *
93 * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object,
94 * java.lang.Object)
95 */
96 @Override
97 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
98
99 }
100
101 }