org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/uml2sd/drawings/impl/ColorImpl.java

   1 /**********************************************************************
   2  * Copyright (c) 2005, 2008 IBM Corporation and others.
   3  * Copyright (c) 2011, 2012 Ericsson.
   4  *
   5  * All rights reserved.   This program and the accompanying materials
   6  * are made available under the terms of the Eclipse Public License v1.0
   7  * which accompanies this distribution, and is available at
   8  * http://www.eclipse.org/legal/epl-v10.html
   9  *
  10  * Contributors:
  11  * IBM - Initial API and implementation
  12  * Bernd Hufmann - Updated for TMF
  13  **********************************************************************/
  14 package org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.impl;
  15
  16 import org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IColor;
  17 import org.eclipse.swt.graphics.Color;
  18 import org.eclipse.swt.widgets.Display;
  19
  20 /**
  21  * Default implementation of the IColor interface.
  22  *
  23  * @version 1.0
  24  * @author sveyrier
  25  *
  26  */
  27 public class ColorImpl implements IColor {
  28
  29     // ------------------------------------------------------------------------
  30     // Attributes
  31     // ------------------------------------------------------------------------
  32     /**
  33      * The color object.
  34      */
  35     protected Color fColor = null;
  36     /**
  37      * Flag to indicate that this object is managing the resource.
  38      */
  39     protected boolean fManageColor = true;
  40
  41     // ------------------------------------------------------------------------
  42     // Constructors
  43     // ------------------------------------------------------------------------
  44     /**
  45      * Constructor
  46      *
  47      * @param display The display to use
  48      * @param r A value for red
  49      * @param g A value for green
  50      * @param b A value for blue
  51      */
  52     public ColorImpl(Display display, int r, int g, int b) {
  53         fColor = new Color(display, r, g, b);
  54     }
  55
  56     /**
  57      * Copy constructor
  58      *
  59      * @param color
  60      *            A color to copy
  61      */
  62     protected ColorImpl(Color color) {
  63         fColor = color;
  64         fManageColor = false;
  65     }
  66
  67     // ------------------------------------------------------------------------
  68     // Methods
  69     // ------------------------------------------------------------------------
  70
  71     /**
  72      * Returns a system color.
  73      *
  74      * @param color The color ID
  75      * @return a system color
  76      */
  77     public static ColorImpl getSystemColor(int color) {
  78         return new ColorImpl(Display.getDefault().getSystemColor(color));
  79     }
  80
  81     /*
  82      * (non-Javadoc)
  83      * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IColor#getColor()
  84      */
  85     @Override
  86     public Object getColor() {
  87         return fColor;
  88     }
  89
  90     /*
  91      * (non-Javadoc)
  92      * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IColor#dispose()
  93      */
  94     @Override
  95     public void dispose() {
  96         if ((fColor != null) && (fManageColor)) {
  97             fColor.dispose();
  98         }
  99     }
 100
 101 }