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1 | /********************************************************************** |
2 | * Copyright (c) 2015 École Polytechnique de Montréal | |
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 | * Patrick-Jeffrey Pollo Guilbert, William Enright, | |
11 | * William Tri-Khiem Truong - Initial API and implementation | |
12 | **********************************************************************/ | |
13 | ||
14 | package org.eclipse.tracecompass.internal.lttng2.control.ui.views.dialogs; | |
15 | ||
16 | import java.util.ArrayList; | |
17 | import java.util.Arrays; | |
18 | import java.util.List; | |
19 | ||
20 | import org.eclipse.jface.viewers.ITreeContentProvider; | |
21 | import org.eclipse.jface.viewers.Viewer; | |
22 | import org.eclipse.remote.core.IRemoteConnection; | |
23 | import org.eclipse.remote.core.IRemoteConnectionType; | |
24 | ||
25 | /** | |
26 | * TODO document | |
27 | * | |
28 | */ | |
29 | public final class ConnectionContentProvider implements ITreeContentProvider { | |
30 | private static final Object[] NO_CHILDREN = {}; | |
31 | ||
32 | @Override | |
33 | public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { | |
34 | } | |
35 | ||
36 | @Override | |
37 | public void dispose() { | |
38 | } | |
39 | ||
40 | @Override | |
41 | public Object[] getElements(Object inputElement) { | |
42 | List<Object> children = new ArrayList<>(); | |
43 | if (inputElement instanceof IRemoteConnectionType) { | |
44 | IRemoteConnectionType irc = (IRemoteConnectionType) inputElement; | |
45 | children.addAll(irc.getRemoteServicesManager().getAllRemoteConnections()); | |
46 | } | |
47 | return children.toArray(); | |
48 | } | |
49 | ||
50 | @Override | |
51 | public Object[] getChildren(Object parentElement) { | |
52 | if (parentElement instanceof IRemoteConnectionType) { | |
53 | return getConnections((IRemoteConnectionType) parentElement); | |
54 | } | |
55 | return NO_CHILDREN; | |
56 | } | |
57 | ||
58 | static IRemoteConnection[] getConnections(IRemoteConnectionType parentElement) { | |
59 | List<IRemoteConnection> connectionList = parentElement.getConnections(); | |
60 | IRemoteConnection[] result = connectionList.toArray(new IRemoteConnection[connectionList.size()]); | |
61 | Arrays.sort(result); | |
62 | return result; | |
63 | } | |
64 | ||
65 | @Override | |
66 | public Object getParent(Object element) { | |
67 | if (element instanceof IRemoteConnection) { | |
68 | return ((IRemoteConnection) element).getConnectionType(); | |
69 | } | |
70 | return null; | |
71 | } | |
72 | ||
73 | @Override | |
74 | public boolean hasChildren(Object element) { | |
75 | return getChildren(element).length > 0; | |
76 | } | |
77 | ||
78 | } |