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annotate dwtx/draw2d/text/NestedLine.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) 2004, 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
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14 module dwtx.draw2d.text.NestedLine;
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15
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16 import dwt.dwthelper.utils;
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17 import dwtx.draw2d.text.LineBox;
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18 import dwtx.draw2d.text.LineRoot;
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19 import dwtx.draw2d.text.InlineFlow;
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20 import dwtx.draw2d.text.FlowUtilities;
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21 import dwtx.draw2d.text.FlowBox;
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22
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23 /**
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24 * @since 3.1
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25 */
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26 public class NestedLine : LineBox {
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27
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28 InlineFlow owner;
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29 private LineRoot root;
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30
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31 this(InlineFlow owner) {
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32 this.owner = owner;
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33 }
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34
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35 /**
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36 * @see dwtx.draw2d.text.FlowBox#containsPoint(int, int)
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37 */
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38 public bool containsPoint(int x, int y) {
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39 //$TODO should contains use LineRoot?
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40 return x >= getX()
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41 && x < getX() + getWidth()
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42 && y >= getBaseline() - getAscentWithBorder()
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43 && y < getBaseline() + getDescentWithBorder();
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44 }
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45
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46 int getAscentWithBorder() {
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47 return contentAscent + FlowUtilities.getBorderAscent(owner);
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48 }
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49
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50 int getDescentWithBorder() {
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51 return contentDescent + FlowUtilities.getBorderDescent(owner);
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52 }
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53
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54 /**
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55 * @see dwtx.draw2d.text.FlowBox#getBaseline()
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56 */
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57 public int getBaseline() {
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58 return root.getBaseline();
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59 }
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60
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61 LineRoot getLineRoot() {
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62 return root;
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63 }
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64
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65 //int getVisibleAscent() {
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66 // return contentAscent + FlowUtilities.getBorderAscent(owner);
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67 //}
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68 //
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69 //int getVisibleDescent() {
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70 // return contentDescent + FlowUtilities.getBorderDescent(owner);
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71 //}
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72
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73 /**
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74 * Returns the outer ascent of this box. The outer ascent is the ascent above the
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75 * baseline including the border size and margin. This is used when adding content into a
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76 * LineBox. The linebox's own border must be drawn around the children.
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77 * @return the outer ascent of this box
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78 */
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79 public int getOuterAscent() {
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80 return contentAscent + FlowUtilities.getBorderAscentWithMargin(owner);
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81 }
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82
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83 /**
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84 * Returns the outer descent of this box. The outer descent is the space below the
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85 * baseline including the border size and margin. This is used when adding content into a
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86 * LineBox. The linebox's own border must be drawn around the children.
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87 * @return the outer descent of this box
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88 */
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89 public int getOuterDescent() {
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90 return contentDescent + FlowUtilities.getBorderDescentWithMargin(owner);
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91 }
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92
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93 void setLineRoot(LineRoot root) {
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94 this.root = root;
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95 for (int i = 0; i < fragments.size(); i++)
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96 (cast(FlowBox)fragments.get(i)).setLineRoot(root);
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97 }
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98
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99 /**
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100 * @see dwtx.draw2d.text.CompositeBox#setLineTop(int)
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101 */
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102 public void setLineTop(int top) {
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103 throw new RuntimeException("not supported"); //$NON-NLS-1$
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104 }
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105
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106 }