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

   1 /**********************************************************************
   2  * Copyright (c) 2005, 2012 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.IFont;
  16 import org.eclipse.swt.graphics.Font;
  17 import org.eclipse.swt.graphics.FontData;
  18 import org.eclipse.swt.widgets.Display;
  19
  20 /**
  21  * Default implementation of the IFont interface.
  22  *
  23  * @version 1.0
  24  * @author sveyrier
  25  *
  26  */
  27 public class FontImpl implements IFont {
  28
  29     // ------------------------------------------------------------------------
  30     // Attributes
  31     // ------------------------------------------------------------------------
  32
  33     /**
  34      * The font object
  35      */
  36     protected Font fFont = null;
  37     /**
  38      * Flag to indicate that this object is managing the resource.
  39      */
  40     protected boolean fManageFont = true;
  41
  42     // ------------------------------------------------------------------------
  43     // Constructors
  44     // ------------------------------------------------------------------------
  45     /**
  46      * Default constructor.
  47      *
  48      * @param display The display to use
  49      * @param data A font data
  50      */
  51     public FontImpl(Display display, FontData data) {
  52         fFont = new Font(display, data);
  53     }
  54
  55     /**
  56      * Copy constructor
  57      *
  58      * @param value A font to copy.
  59      */
  60     protected FontImpl(Font value) {
  61         fFont = value;
  62         fManageFont = false;
  63     }
  64
  65     // ------------------------------------------------------------------------
  66     // Methods
  67     // ------------------------------------------------------------------------
  68     /**
  69      * Returns a font implementation based system font.
  70      *
  71      * @return a font implementation based system font.
  72      */
  73     public static FontImpl getSystemFont() {
  74         return new FontImpl(Display.getDefault().getSystemFont());
  75     }
  76
  77     /*
  78      * (non-Javadoc)
  79      * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IFont#getFont()
  80      */
  81     @Override
  82     public Object getFont() {
  83         return fFont;
  84     }
  85
  86     /*
  87      * (non-Javadoc)
  88      * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IFont#dispose()
  89      */
  90     @Override
  91     public void dispose() {
  92         if (fFont != null) {
  93             fFont.dispose();
  94         }
  95     }
  96 }