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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.ui.internal.forms.widgets.AggregateHyperlinkSegment;
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14
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15 import dwtx.ui.internal.forms.widgets.ParagraphSegment;
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16 import dwtx.ui.internal.forms.widgets.IHyperlinkSegment;
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17 import dwtx.ui.internal.forms.widgets.TextHyperlinkSegment;
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18 import dwtx.ui.internal.forms.widgets.ImageHyperlinkSegment;
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19 import dwtx.ui.internal.forms.widgets.Locator;
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20 import dwtx.ui.internal.forms.widgets.SelectionData;
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21
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22 import dwt.graphics.Color;
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23 import dwt.graphics.GC;
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24 import dwt.graphics.Rectangle;
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25
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26 import dwt.dwthelper.utils;
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27 import tango.util.collection.ArraySeq;
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28
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29 /**
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30 * This segment contains a collection of images and links that all belong to one
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31 * logical hyperlink.
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32 */
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33 public class AggregateHyperlinkSegment : ParagraphSegment,
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34 IHyperlinkSegment {
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35 private String href;
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36
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37 private ArraySeq!(Object) segments;
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38
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39 public this() {
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40 segments = new ArraySeq!(Object);
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41 }
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42
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43 public void add(TextHyperlinkSegment segment) {
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44 segments.append(segment);
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45 }
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46
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47 public void add(ImageHyperlinkSegment segment) {
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48 segments.append(segment);
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49 }
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50
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51 /*
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52 * (non-Javadoc)
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53 *
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54 * @see dwtx.ui.internal.forms.widgets.ParagraphSegment#advanceLocator(dwt.graphics.GC,
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55 * int, dwtx.ui.internal.forms.widgets.Locator,
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56 * java.util.Hashtable, bool)
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57 */
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58 public bool advanceLocator(GC gc, int wHint, Locator loc,
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59 Hashtable objectTable, bool computeHeightOnly) {
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60 bool newLine = false;
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61 for (int i = 0; i < segments.size(); i++) {
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62 ParagraphSegment segment = cast(ParagraphSegment) segments.get(i);
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63 if (segment.advanceLocator(gc, wHint, loc, objectTable,
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64 computeHeightOnly))
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65 newLine = true;
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66 }
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67 return newLine;
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68 }
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69
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70 /**
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71 * @return Returns the href.
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72 */
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73 public String getHref() {
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74 return href;
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75 }
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76
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77 /**
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78 * @param href
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79 * The href to set.
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80 */
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81 public void setHref(String href) {
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82 this.href = href;
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83 }
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84
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85 /*
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86 * (non-Javadoc)
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87 *
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88 * @see dwtx.ui.internal.forms.widgets.IHyperlinkSegment#repaint(dwt.graphics.GC,
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89 * bool)
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90 */
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91 public void paint(GC gc, bool hover, Hashtable resourceTable,
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92 bool selected, SelectionData selData, Rectangle repaintRegion) {
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93 for (int i = 0; i < segments.size(); i++) {
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94 ParagraphSegment segment = cast(ParagraphSegment) segments.get(i);
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95 segment.paint(gc, hover, resourceTable, selected, selData,
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96 repaintRegion);
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97 }
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98 }
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99
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100 public String getText() {
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101 StringBuffer buf = new StringBuffer();
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102 for (int i = 0; i < segments.size(); i++) {
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103 IHyperlinkSegment segment = cast(IHyperlinkSegment) segments.get(i);
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104 buf.append(segment.getText());
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105 }
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106 return buf.toString();
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107 }
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108
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109 /*
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110 * (non-Javadoc)
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111 *
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112 * @see dwtx.ui.internal.forms.widgets.IHyperlinkSegment#paintFocus(dwt.graphics.GC,
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113 * dwt.graphics.Color, dwt.graphics.Color,
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114 * bool)
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115 */
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116 public void paintFocus(GC gc, Color bg, Color fg, bool selected,
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117 Rectangle repaintRegion) {
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118 for (int i = 0; i < segments.size(); i++) {
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119 IHyperlinkSegment segment = cast(IHyperlinkSegment) segments.get(i);
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120 segment.paintFocus(gc, bg, fg, selected, repaintRegion);
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121 }
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122 }
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123
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124 /*
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125 * (non-Javadoc)
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126 *
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127 * @see dwtx.ui.internal.forms.widgets.IHyperlinkSegment#getBounds()
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128 */
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129 public Rectangle getBounds() {
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130 Rectangle bounds = new Rectangle(Integer.MAX_VALUE, Integer.MAX_VALUE,
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131 0, 0);
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132 // TODO this is wrong
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133 for (int i = 0; i < segments.size(); i++) {
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134 IHyperlinkSegment segment = cast(IHyperlinkSegment) segments.get(i);
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135 Rectangle sbounds = segment.getBounds();
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136 bounds.x = Math.min(bounds.x, sbounds.x);
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137 bounds.y = Math.min(bounds.y, sbounds.y);
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138 bounds.width = Math.max(bounds.width, sbounds.width);
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139 bounds.height = Math.max(bounds.height, sbounds.height);
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140 }
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141 return bounds;
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142 }
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143
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144 public bool contains(int x, int y) {
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145 for (int i = 0; i < segments.size(); i++) {
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146 IHyperlinkSegment segment = cast(IHyperlinkSegment) segments.get(i);
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147 if (segment.contains(x, y))
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148 return true;
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149 }
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150 return false;
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151 }
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152
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153 public bool intersects(Rectangle rect) {
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154 for (int i = 0; i < segments.size(); i++) {
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155 IHyperlinkSegment segment = cast(IHyperlinkSegment) segments.get(i);
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156 if (segment.intersects(rect))
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157 return true;
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158 }
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159 return false;
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160 }
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161
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162 /*
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163 * (non-Javadoc)
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164 *
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165 * @see dwtx.ui.internal.forms.widgets.ParagraphSegment#layout(dwt.graphics.GC,
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166 * int, dwtx.ui.internal.forms.widgets.Locator,
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167 * java.util.Hashtable, bool,
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168 * dwtx.ui.internal.forms.widgets.SelectionData)
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169 */
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170 public void layout(GC gc, int width, Locator locator,
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171 Hashtable resourceTable, bool selected) {
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172 for (int i = 0; i < segments.size(); i++) {
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173 ParagraphSegment segment = cast(ParagraphSegment) segments.get(i);
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174 segment.layout(gc, width, locator, resourceTable, selected);
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175 }
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176 }
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177
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178 /*
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179 * (non-Javadoc)
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180 *
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181 * @see dwtx.ui.internal.forms.widgets.ParagraphSegment#computeSelection(dwt.graphics.GC,
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182 * java.util.Hashtable, bool,
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183 * dwtx.ui.internal.forms.widgets.SelectionData)
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184 */
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185 public void computeSelection(GC gc, Hashtable resourceTable,
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186 SelectionData selData) {
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187 for (int i = 0; i < segments.size(); i++) {
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188 ParagraphSegment segment = cast(ParagraphSegment) segments.get(i);
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189 segment.computeSelection(gc, resourceTable, selData);
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190 }
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191 }
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192
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193 public void clearCache(String fontId) {
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194 for (int i = 0; i < segments.size(); i++) {
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195 ParagraphSegment segment = cast(ParagraphSegment) segments.get(i);
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196 segment.clearCache(fontId);
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197 }
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198 }
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199
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200 public String getTooltipText() {
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201 if (segments.size() > 0)
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202 return (cast(ParagraphSegment) segments.get(0)).getTooltipText();
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203 return super.getTooltipText();
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204 }
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205
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206 public bool isFocusSelectable(Hashtable resourceTable) {
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207 return true;
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208 }
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209
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210 public bool setFocus(Hashtable resourceTable, bool direction) {
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211 return true;
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212 }
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213 }
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