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73005152 | 1 | /********************************************************************** |
ed902a2b | 2 | * Copyright (c) 2005, 2014 IBM Corporation, Ericsson |
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3 | * All rights reserved. This program and the accompanying materials |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
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7 | * |
8 | * Contributors: | |
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9 | * IBM - Initial API and implementation |
10 | * Bernd Hufmann - Updated for TMF | |
73005152 | 11 | **********************************************************************/ |
c8422608 | 12 | |
2bdf0193 | 13 | package org.eclipse.tracecompass.tmf.ui.views.uml2sd; |
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14 | |
15 | import java.util.ArrayList; | |
eb63f5ff | 16 | import java.util.List; |
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17 | |
18 | import org.eclipse.jface.viewers.ISelection; | |
19 | import org.eclipse.jface.viewers.ISelectionChangedListener; | |
20 | import org.eclipse.jface.viewers.ISelectionProvider; | |
21 | import org.eclipse.jface.viewers.SelectionChangedEvent; | |
22 | ||
23 | /** | |
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24 | * <p> |
25 | * Informs all registered listeners of graph node selection change in the Frame. | |
26 | * </p> | |
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27 | * |
28 | * @version 1.0 | |
73005152 | 29 | * @author sveyrier |
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30 | */ |
31 | public class SDWidgetSelectionProvider implements ISelectionProvider { | |
32 | ||
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33 | // ------------------------------------------------------------------------ |
34 | // Attributes | |
35 | // ------------------------------------------------------------------------ | |
36 | ||
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37 | /** |
38 | * The listener list | |
39 | */ | |
cab6c8ff | 40 | private List<ISelectionChangedListener> fListenerList = null; |
11252342 | 41 | |
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42 | /** |
43 | * The current selection | |
44 | */ | |
cab6c8ff | 45 | private ISelection fCurrentSelection = null; |
73005152 | 46 | |
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47 | // ------------------------------------------------------------------------ |
48 | // Constructor | |
49 | // ------------------------------------------------------------------------ | |
11252342 | 50 | |
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51 | /** |
52 | * Standard constructor | |
53 | */ | |
73005152 | 54 | protected SDWidgetSelectionProvider() { |
507b1336 | 55 | fListenerList = new ArrayList<>(); |
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56 | } |
57 | ||
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58 | // ------------------------------------------------------------------------ |
59 | // Methods | |
60 | // ------------------------------------------------------------------------ | |
61 | ||
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62 | @Override |
63 | public void addSelectionChangedListener(ISelectionChangedListener listener) { | |
013a5f1c | 64 | if (!fListenerList.contains(listener)) { |
eb63f5ff | 65 | fListenerList.add(listener); |
013a5f1c | 66 | } |
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67 | } |
68 | ||
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69 | @Override |
70 | public void removeSelectionChangedListener(ISelectionChangedListener listener) { | |
eb63f5ff | 71 | fListenerList.remove(listener); |
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72 | } |
73 | ||
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74 | @Override |
75 | public void setSelection(ISelection selection) { | |
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76 | fCurrentSelection = selection; |
77 | for (int i = 0; i < fListenerList.size(); i++) { | |
abbdd66a | 78 | ISelectionChangedListener list = fListenerList.get(i); |
eb63f5ff | 79 | list.selectionChanged(new SelectionChangedEvent(this, fCurrentSelection)); |
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80 | } |
81 | } | |
82 | ||
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83 | @Override |
84 | public ISelection getSelection() { | |
eb63f5ff | 85 | return fCurrentSelection; |
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86 | } |
87 | ||
88 | } |