| 1 | /********************************************************************** |
| 2 | * Copyright (c) 2005, 2013 IBM Corporation, Ericsson |
| 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 |
| 7 | * |
| 8 | * Contributors: |
| 9 | * IBM - Initial API and implementation |
| 10 | * Bernd Hufmann - Updated for TMF |
| 11 | **********************************************************************/ |
| 12 | |
| 13 | package org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.impl; |
| 14 | |
| 15 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IColor; |
| 16 | import org.eclipse.swt.graphics.Color; |
| 17 | import org.eclipse.swt.widgets.Display; |
| 18 | |
| 19 | /** |
| 20 | * Default implementation of the IColor interface. |
| 21 | * |
| 22 | * @version 1.0 |
| 23 | * @author sveyrier |
| 24 | * |
| 25 | */ |
| 26 | public class ColorImpl implements IColor { |
| 27 | |
| 28 | // ------------------------------------------------------------------------ |
| 29 | // Attributes |
| 30 | // ------------------------------------------------------------------------ |
| 31 | /** |
| 32 | * The color object. |
| 33 | */ |
| 34 | protected Color fColor = null; |
| 35 | /** |
| 36 | * Flag to indicate that this object is managing the resource. |
| 37 | */ |
| 38 | protected boolean fManageColor = true; |
| 39 | |
| 40 | // ------------------------------------------------------------------------ |
| 41 | // Constructors |
| 42 | // ------------------------------------------------------------------------ |
| 43 | /** |
| 44 | * Constructor |
| 45 | * |
| 46 | * @param display The display to use |
| 47 | * @param r A value for red |
| 48 | * @param g A value for green |
| 49 | * @param b A value for blue |
| 50 | */ |
| 51 | public ColorImpl(Display display, int r, int g, int b) { |
| 52 | fColor = new Color(display, r, g, b); |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * Copy constructor |
| 57 | * |
| 58 | * @param color |
| 59 | * A color to copy |
| 60 | */ |
| 61 | protected ColorImpl(Color color) { |
| 62 | fColor = color; |
| 63 | fManageColor = false; |
| 64 | } |
| 65 | |
| 66 | // ------------------------------------------------------------------------ |
| 67 | // Methods |
| 68 | // ------------------------------------------------------------------------ |
| 69 | |
| 70 | /** |
| 71 | * Returns a system color. |
| 72 | * |
| 73 | * @param color The color ID |
| 74 | * @return a system color |
| 75 | */ |
| 76 | public static ColorImpl getSystemColor(int color) { |
| 77 | return new ColorImpl(Display.getDefault().getSystemColor(color)); |
| 78 | } |
| 79 | |
| 80 | @Override |
| 81 | public Object getColor() { |
| 82 | return fColor; |
| 83 | } |
| 84 | |
| 85 | @Override |
| 86 | public void dispose() { |
| 87 | if ((fColor != null) && (fManageColor)) { |
| 88 | fColor.dispose(); |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | } |