| 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 | } |