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annotate dwtx/draw2d/GroupBoxBorder.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.GroupBoxBorder;
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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.Dimension;
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18 import dwtx.draw2d.geometry.Insets;
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19 import dwtx.draw2d.geometry.Rectangle;
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20 import dwtx.draw2d.AbstractLabeledBorder;
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21 import dwtx.draw2d.IFigure;
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22 import dwtx.draw2d.Graphics;
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23 import dwtx.draw2d.FigureUtilities;
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24
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25 /**
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26 * A labeled border intended to house a Figure with a group of children. The label should
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27 * serve as a description of the group.
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28 */
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29 public class GroupBoxBorder
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30 : AbstractLabeledBorder
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31 {
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32
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33 /**
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34 * Constructs a GroupBoxBorder with the name of this class as its label.
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35 *
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36 * @since 2.0
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37 */
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38 public this() { }
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39
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40 /**
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41 * Constructs a GroupBoxBorder with label s.
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42 *
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43 * @param s the label
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44 * @since 2.0
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45 */
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46 public this(String s) {
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47 super(s);
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48 }
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49
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50 /**
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51 * Calculates and returns the Insets for this GroupBoxBorder.
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52 *
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53 * @param figure IFigure on which the calculations should be made. Generally this is
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54 * the IFigure of which this GroupBoxBorder is surrounding.
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55 * @return the Insets for this GroupBoxBorder.
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56 * @since 2.0
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57 */
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58 protected Insets calculateInsets(IFigure figure) {
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59 int height = getTextExtents(figure).height;
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60 return new Insets(height);
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61 }
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62
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63 /**
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64 * @see dwtx.draw2d.Border#getPreferredSize(IFigure)
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65 */
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66 public Dimension getPreferredSize(IFigure fig) {
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67 Dimension textSize = getTextExtents(fig);
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68 return textSize.getCopy().expand(textSize.height * 2, 0);
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69 }
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70
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71 /**
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72 * @see Border#paint(IFigure, Graphics, Insets)
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73 */
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74 public void paint(IFigure figure, Graphics g, Insets insets) {
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75 tempRect.setBounds(getPaintRectangle(figure, insets));
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76 Rectangle r = tempRect;
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77 if (r.isEmpty())
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78 return;
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79
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80 Rectangle textLoc = new Rectangle(r.getTopLeft(), getTextExtents(figure));
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81 r.crop(new Insets(getTextExtents(figure).height / 2));
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82 FigureUtilities.paintEtchedBorder(g, r);
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83
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84 textLoc.x += getInsets(figure).left;
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85 g.setFont(getFont(figure));
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86 g.setForegroundColor(getTextColor());
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87 g.clipRect(textLoc);
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88 g.fillText(getLabel(), textLoc.getTopLeft());
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89 }
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90
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91 }