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1 | /********************************************************************** |
2 | * Copyright (c) 2012 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Bernd Hufmann - Initial API and implementation | |
11 | **********************************************************************/ | |
9315aeee | 12 | package org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl; |
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13 | |
14 | import org.eclipse.jface.viewers.ITreeContentProvider; | |
15 | import org.eclipse.jface.viewers.Viewer; | |
115b4a01 | 16 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.ITraceControlComponent; |
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17 | |
18 | /** | |
19 | * <b><u>TraceControlContentProvider</u></b> | |
20 | * <p> | |
21 | * Tree content provider implementation for trace control view. | |
22 | * </p> | |
23 | */ | |
24 | public class TraceControlContentProvider implements ITreeContentProvider { | |
25 | // ------------------------------------------------------------------------ | |
26 | // Operations | |
27 | // ------------------------------------------------------------------------ | |
28 | /* | |
29 | * (non-Javadoc) | |
30 | * @see org.eclipse.jface.viewers.IContentProvider#dispose() | |
31 | */ | |
32 | @Override | |
33 | public void dispose() { | |
34 | } | |
35 | ||
36 | /* | |
37 | * (non-Javadoc) | |
38 | * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object) | |
39 | */ | |
40 | @Override | |
41 | public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { | |
42 | } | |
43 | ||
44 | /* | |
45 | * (non-Javadoc) | |
46 | * @see org.eclipse.jface.viewers.ITreeContentProvider#getElements(java.lang.Object) | |
47 | */ | |
48 | @Override | |
49 | public Object[] getElements(Object inputElement) { | |
50 | return getChildren(inputElement); | |
51 | } | |
52 | ||
53 | /* | |
54 | * (non-Javadoc) | |
55 | * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object) | |
56 | */ | |
57 | @Override | |
58 | public Object[] getChildren(Object parentElement) { | |
59 | ||
60 | if (parentElement instanceof ITraceControlComponent) { | |
61 | return ((ITraceControlComponent)parentElement).getChildren(); | |
62 | } | |
63 | return new Object[0]; | |
64 | } | |
65 | ||
66 | /* | |
67 | * (non-Javadoc) | |
68 | * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object) | |
69 | */ | |
70 | @Override | |
71 | public Object getParent(Object element) { | |
72 | if (element instanceof ITraceControlComponent) { | |
73 | return ((ITraceControlComponent)element).getParent(); | |
74 | } | |
75 | return null; | |
76 | } | |
77 | ||
78 | /* | |
79 | * (non-Javadoc) | |
80 | * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object) | |
81 | */ | |
82 | @Override | |
83 | public boolean hasChildren(Object element) { | |
84 | if (element instanceof ITraceControlComponent) { | |
85 | return ((ITraceControlComponent)element).hasChildren(); | |
86 | } | |
87 | return false; | |
88 | } | |
89 | } |