org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/uml2sd/drawings/impl/FontImpl.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.IFont;
  17 import org.eclipse.swt.graphics.Font;
  18 import org.eclipse.swt.graphics.FontData;
  19 import org.eclipse.swt.widgets.Display;
  20
  21 /**
  22  * Default implementation of the IFont interface.
  23  *
  24  * @version 1.0
  25  * @author sveyrier
  26  *
  27  */
  28 public class FontImpl implements IFont {
  29
  30     // ------------------------------------------------------------------------
  31     // Attributes
  32     // ------------------------------------------------------------------------
  33
  34     /**
  35      * The font object
  36      */
  37     protected Font font = null;
  38     /**
  39      * Flag to indicate that this object is managing the resource.
  40      */
  41     protected boolean manageFont = true;
  42
  43     // ------------------------------------------------------------------------
  44     // Constructors
  45     // ------------------------------------------------------------------------
  46     /**
  47      * Default constructor.
  48      *
  49      * @param display The display to use
  50      * @param data A font data
  51      */
  52     public FontImpl(Display display, FontData data) {
  53         font = new Font(display, data);
  54     }
  55
  56     /**
  57      * Copy constructor
  58      *
  59      * @param value A font to copy.
  60      */
  61     protected FontImpl(Font value) {
  62         font = value;
  63         manageFont = false;
  64     }
  65
  66     // ------------------------------------------------------------------------
  67     // Methods
  68     // ------------------------------------------------------------------------
  69     /**
  70      * Returns a font implementation based system font.
  71      *
  72      * @return a font implementation based system font.
  73      */
  74     public static FontImpl getSystemFont() {
  75         return new FontImpl(Display.getDefault().getSystemFont());
  76     }
  77
  78     /*
  79      * (non-Javadoc)
  80      * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IFont#getFont()
  81      */
  82     @Override
  83     public Object getFont() {
  84         return font;
  85     }
  86
  87     /*
  88      * (non-Javadoc)
  89      * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IFont#dispose()
  90      */
  91     @Override
  92     public void dispose() {
  93         if (font != null) {
  94             font.dispose();
  95         }
  96     }
  97 }