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annotate dwtx/draw2d/SubordinateUpdateManager.d @ 98:95307ad235d9

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Added Draw2d code, still work in progress
author Frank Benoit <benoit@tionex.de>
date Sun, 03 Aug 2008 00:52:14 +0200
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.draw2d.SubordinateUpdateManager;
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14
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15 import dwt.dwthelper.utils;
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16
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17 import dwtx.draw2d.geometry.Rectangle;
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18 import dwtx.draw2d.UpdateManager;
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19 import dwtx.draw2d.IFigure;
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20 import dwtx.draw2d.GraphicsSource;
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21
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22 /**
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23 * @deprecated this class is not used
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24 */
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25 public abstract class SubordinateUpdateManager
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26 : UpdateManager
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27 {
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28
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29 /**
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30 * A root figure.
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31 */
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32 protected IFigure root;
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33
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34 /**
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35 * A graphics source
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36 */
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37 protected GraphicsSource graphicsSource;
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38
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39 /**
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40 * @see UpdateManager#addDirtyRegion(IFigure, int, int, int, int)
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41 */
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42 public void addDirtyRegion(IFigure f, int x, int y, int w, int h) {
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43 if (getSuperior() is null)
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44 return;
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45 getSuperior().addDirtyRegion(f, x, y, w, h);
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46 }
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47
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48 /**
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49 * @see UpdateManager#addInvalidFigure(IFigure)
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50 */
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51 public void addInvalidFigure(IFigure f) {
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52 UpdateManager um = getSuperior();
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53 if (um is null)
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54 return;
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55 um.addInvalidFigure(f);
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56 }
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57
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58 /**
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59 * Returns the host figure.
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60 * @return the host figure
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61 */
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62 protected abstract IFigure getHost();
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63
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64 /**
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65 * Returns the superior update manager.
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66 * @return the superior
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67 */
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68 protected UpdateManager getSuperior() {
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69 if (getHost().getParent() is null)
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70 return null;
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71 return getHost().getParent().getUpdateManager();
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72 }
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73
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74 /**
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75 * @see UpdateManager#performUpdate()
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76 */
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77 public void performUpdate() {
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78 UpdateManager um = getSuperior();
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79 if (um is null)
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80 return;
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81 um.performUpdate();
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82 }
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83
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84 /**
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85 * @see UpdateManager#performUpdate(Rectangle)
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86 */
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87 public void performUpdate(Rectangle rect) {
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88 UpdateManager um = getSuperior();
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89 if (um is null)
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90 return;
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91 um.performUpdate(rect);
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92 }
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93
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94 /**
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95 * @see UpdateManager#setRoot(IFigure)
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96 */
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97 public void setRoot(IFigure f) {
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98 root = f;
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99 }
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100
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101 /**
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102 * @see UpdateManager#setGraphicsSource(GraphicsSource)
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103 */
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104 public void setGraphicsSource(GraphicsSource gs) {
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105 graphicsSource = gs;
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106 }
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107 }