| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2013, 2014 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 | * Matthew Khouzam - Initial API and implementation |
| 11 | *******************************************************************************/ |
| 12 | |
| 13 | package org.eclipse.linuxtools.internal.tmf.ui.project.wizards.importtrace; |
| 14 | |
| 15 | import java.util.ArrayList; |
| 16 | import java.util.HashMap; |
| 17 | import java.util.List; |
| 18 | import java.util.Map; |
| 19 | |
| 20 | import org.eclipse.jface.viewers.ITreeContentProvider; |
| 21 | import org.eclipse.jface.viewers.Viewer; |
| 22 | import org.eclipse.linuxtools.tmf.core.project.model.TmfTraceType; |
| 23 | import org.eclipse.linuxtools.tmf.core.project.model.TraceTypeHelper; |
| 24 | |
| 25 | /** |
| 26 | * Trace type content provider, a helper for showing trace types |
| 27 | * |
| 28 | * @author Matthew Khouzam |
| 29 | * @since 2.0 |
| 30 | */ |
| 31 | public class TraceTypeContentProvider implements ITreeContentProvider { |
| 32 | |
| 33 | private final List<String> fTraceCategory = new ArrayList<>(); |
| 34 | private final Map<String, List<TraceTypeHelper>> fTraceType = new HashMap<>(); |
| 35 | |
| 36 | /** |
| 37 | * Default Constructor |
| 38 | */ |
| 39 | public TraceTypeContentProvider() { |
| 40 | fTraceType.clear(); |
| 41 | fTraceCategory.clear(); |
| 42 | |
| 43 | for (String category : TmfTraceType.getTraceCategories()) { |
| 44 | List<TraceTypeHelper> value = TmfTraceType.getTraceTypes(category); |
| 45 | if (!value.isEmpty()) { |
| 46 | fTraceCategory.add(category); |
| 47 | fTraceType.put(category, value); |
| 48 | } |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | @Override |
| 53 | public void dispose() { |
| 54 | } |
| 55 | |
| 56 | @Override |
| 57 | public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| 58 | // Do nothing |
| 59 | } |
| 60 | |
| 61 | @Override |
| 62 | public Object[] getElements(Object inputElement) { |
| 63 | return fTraceCategory.toArray(new String[0]); |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public Object[] getChildren(Object parentElement) { |
| 68 | if (parentElement instanceof String) { |
| 69 | final List<TraceTypeHelper> children = fTraceType.get(parentElement); |
| 70 | if (children != null) { |
| 71 | return children.toArray(new TraceTypeHelper[0]); |
| 72 | } |
| 73 | } |
| 74 | return null; |
| 75 | } |
| 76 | |
| 77 | @Override |
| 78 | public Object getParent(Object element) { |
| 79 | if (element instanceof TraceTypeHelper) { |
| 80 | for (String key : fTraceCategory) { |
| 81 | List<TraceTypeHelper> traceSet = fTraceType.get(key); |
| 82 | if (traceSet != null) { |
| 83 | if (traceSet.contains(element)) { |
| 84 | return key; |
| 85 | } |
| 86 | } |
| 87 | } |
| 88 | } |
| 89 | return null; |
| 90 | } |
| 91 | |
| 92 | @Override |
| 93 | public boolean hasChildren(Object element) { |
| 94 | if (element instanceof String) { |
| 95 | String key = (String) element; |
| 96 | return fTraceType.containsKey(key); |
| 97 | } |
| 98 | return false; |
| 99 | } |
| 100 | |
| 101 | } |