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annotate jface/snippets/Snippet010OwnerDraw.d @ 97:781fd8aadeae

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jface snippet 010, thanks, yidabu
author Frank Benoit <benoit@tionex.de>
date Sun, 01 Jun 2008 17:56:11 +0200
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97
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1 /*******************************************************************************
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2 * Copyright (c) 2006, 2008 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 * oliver.schaefer@mbtech-services.com - Fix for Bug 225051 [Snippets] Snippet010OwnerDraw - Wrong german flag
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11 * Port to the D programming language:
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12 * yidabu at gmail dot com ( D China http://www.d-programming-language-china.org/ )
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13 *******************************************************************************/
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14 module jface.snippets.Snippet010OwnerDraw.d;
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15
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16 import dwtx.jface.resource.JFaceResources;
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17 import dwtx.jface.viewers.Viewer;
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18 import dwtx.jface.viewers.ColumnPixelData;
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19 import dwtx.jface.viewers.IStructuredContentProvider;
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20 import dwtx.jface.viewers.OwnerDrawLabelProvider;
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21 import dwtx.jface.viewers.StructuredSelection;
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22 import dwtx.jface.viewers.TableLayout;
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23 import dwtx.jface.viewers.TableViewer;
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24 import dwt.DWT;
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25 import dwt.graphics.Rectangle;
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26 import dwt.graphics.TextLayout;
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27 import dwt.graphics.TextStyle;
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28 import dwt.layout.GridData;
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29 import dwt.layout.GridLayout;
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30 import dwt.widgets.Composite;
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31 import dwt.widgets.Display;
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32 import dwt.widgets.Event;
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33 import dwt.widgets.Shell;
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34 import dwt.widgets.TableColumn;
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35
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36 import dwt.dwthelper.utils;
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37
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38 void main(String[] args) {
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39 Snippet010OwnerDraw.main(args);
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40 }
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41
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42 public class Snippet010OwnerDraw {
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43
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44 public static void main(String[] args) {
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45
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46 Display display = new Display();
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47 Shell shell = new Shell(display, DWT.CLOSE);
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48 shell.setSize(400, 400);
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49 shell.setLayout(new GridLayout());
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50
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51 Snippet010OwnerDraw example = new Snippet010OwnerDraw();
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52 example.createPartControl(shell);
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53
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54 shell.open();
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55
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56 while (!shell.isDisposed ()) {
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57 if (!display.readAndDispatch ()) display.sleep ();
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58 }
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59 display.dispose();
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60 }
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61
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62 private static int COLUMN_COUNT = 3;
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63
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64 class CountryEntry {
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65
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66 String name;
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67
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68 String cupYear;
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69
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70 private String baseName;
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71
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72 /**
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73 * Create a new instance of the receiver.
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74 *
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75 * @param countryName
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76 * @param worldCupYear
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77 */
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78 this(String countryName, String englishName, String worldCupYear) {
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79 name = countryName;
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80 cupYear = worldCupYear;
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81 baseName = englishName;
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82 }
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83
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84 /**
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85 * @param index
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86 * @return
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87 */
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88 public int getHeight(Event event) {
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89 switch (event.index) {
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90 case 0:
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91 return event.gc.textExtent(name).y;
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92 case 1:
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93 return 50;
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94 case 2:
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95 return event.gc.textExtent(cupYear).y;
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96 default:
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97 return 10;
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98 }
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99 }
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100
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101 /**
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102 * @param index
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103 * @return
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104 */
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105 public int getWidth(Event event) {
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106
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107 switch (event.index) {
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108 case 0:
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109 return event.gc.textExtent(getDisplayString().toString()).x + 4;
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110
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111 case 1:
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112 return 200;
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113
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114 case 2:
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115 return event.gc.textExtent(cupYear).x + 5;
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116
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117 default:
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118 return 10;
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119 }
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120 }
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121
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122 /**
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123 * Draw the flag in bounds.
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124 *
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125 * @param event
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126 */
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127 protected void drawFlag(Event event) {
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128 event.gc.setBackground(viewer.getControl().getDisplay()
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129 .getSystemColor(DWT.COLOR_BLUE));
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130
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131 Rectangle bounds = event.getBounds();
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132 bounds.width += 100;
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133 event.gc.fillRectangle(bounds);
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134 }
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135
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136 /**
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137 * Draw the cup year
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138 *
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139 * @param event
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140 */
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141 private void drawCupYear(Event event) {
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142 event.gc.drawText(cupYear, event.x, event.y);
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143
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144 }
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145
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146 /**
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147 * Draw the name of the receiver.
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148 *
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149 * @param event
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150 */
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151 protected void drawName(Event event) {
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152
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153 StringBuffer buffer = getDisplayString();
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154
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155 Display display = viewer.getControl().getDisplay();
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156 TextLayout layout = new TextLayout(display);
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157 layout.setText(buffer.toString());
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158
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159 TextStyle plain = new TextStyle(JFaceResources
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160 .getFont(JFaceResources.DEFAULT_FONT), display
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161 .getSystemColor(DWT.COLOR_LIST_FOREGROUND), display
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162 .getSystemColor(DWT.COLOR_LIST_BACKGROUND));
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163
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164 TextStyle italic = new TextStyle(JFaceResources.getFontRegistry()
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165 .getItalic(JFaceResources.DEFAULT_FONT), display
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166 .getSystemColor(DWT.COLOR_BLUE), display
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167 .getSystemColor(DWT.COLOR_LIST_BACKGROUND));
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168
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169 layout.setStyle(plain, 0, name.length - 1);
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170 layout.setStyle(italic, name.length, buffer.length - 1);
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171
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172 layout.draw(event.gc, event.x, event.y);
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173
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174 }
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175
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176 /**
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177 * @return
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178 */
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179 private StringBuffer getDisplayString() {
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180 StringBuffer buffer = new StringBuffer();
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181 buffer.append(name);
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182 buffer.append(" (");
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183 buffer.append(baseName);
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184 buffer.append(")");
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185 return buffer;
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186 }
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187
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188 /**
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189 * @param event
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190 */
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191 public void draw(Event event) {
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192
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193 switch (event.index) {
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194 case 0:
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195 drawName(event);
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196 break;
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197 case 1:
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198 drawFlag(event);
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199 break;
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200 case 2:
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201 drawCupYear(event);
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202 break;
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203
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204 default:
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205 break;
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206 }
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207
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208 }
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209 }
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210
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211 private class GermanyEntry : CountryEntry {
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212
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213 this() {
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214 super("Deutschland", "Germany", "1954 1974 1990");
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215 }
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216
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217 /*
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218 * (non-Javadoc)
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219 *
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220 * @see dwtx.jface.tests.viewers.OwnerDrawExample.CountryEntry#drawFlag(dwt.widgets.Event)
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221 */
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222 protected void drawFlag(Event event) {
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223
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224 Rectangle bounds = event.getBounds();
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225 bounds.width += 100;
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226 int stripeHeight = bounds.height / 3;
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227 Rectangle stripe = new Rectangle(bounds.x, bounds.y, bounds.width,
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228 stripeHeight);
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229
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230 event.gc.setBackground(viewer.getControl().getDisplay()
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231 .getSystemColor(DWT.COLOR_BLACK));
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232 event.gc.fillRectangle(stripe);
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233
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234 stripe.y += stripeHeight;
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235
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236 event.gc.setBackground(viewer.getControl().getDisplay()
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237 .getSystemColor(DWT.COLOR_RED));
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238 event.gc.fillRectangle(stripe);
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239
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240 stripe.y += stripeHeight;
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241
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242 event.gc.setBackground(viewer.getControl().getDisplay()
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243 .getSystemColor(DWT.COLOR_YELLOW));
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244 event.gc.fillRectangle(stripe);
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245
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246 }
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247
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248 }
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249
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250 private class AustriaEntry : CountryEntry {
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251
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252 this() {
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253 super("\u00D6sterreich", "Austria", "TBD");
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254 }
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255
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256 /*
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257 * (non-Javadoc)
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258 *
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259 * @see dwtx.jface.tests.viewers.OwnerDrawExample.CountryEntry#drawFlag(dwt.widgets.Event)
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260 */
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261 protected void drawFlag(Event event) {
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262
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263 Rectangle bounds = event.getBounds();
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264 bounds.width += 100;
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265 int stripeHeight = bounds.height / 3;
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266 Rectangle stripe = new Rectangle(bounds.x, bounds.y, bounds.width,
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267 stripeHeight);
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268
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269 event.gc.setBackground(viewer.getControl().getDisplay()
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270 .getSystemColor(DWT.COLOR_RED));
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271 event.gc.fillRectangle(stripe);
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272
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273 stripe.y += stripeHeight;
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274
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275 event.gc.setBackground(viewer.getControl().getDisplay()
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276 .getSystemColor(DWT.COLOR_WHITE));
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277 event.gc.fillRectangle(stripe);
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278
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279 stripe.y += stripeHeight;
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280
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281 event.gc.setBackground(viewer.getControl().getDisplay()
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282 .getSystemColor(DWT.COLOR_RED));
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283 event.gc.fillRectangle(stripe);
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284
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285 }
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286 }
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287
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288 private class EnglandEntry : CountryEntry {
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289 this() {
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290 super("Blighty", "England", "1966");
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291 }
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292
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293 /*
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294 * (non-Javadoc)
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295 *
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296 * @see dwtx.jface.tests.viewers.OwnerDrawExample.CountryEntry#drawFlag(dwt.widgets.Event)
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297 */
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298 protected void drawFlag(Event event) {
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299
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300 Rectangle bounds = event.getBounds();
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301 bounds.width += 100;
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302
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303 event.gc.setBackground(viewer.getControl().getDisplay()
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304 .getSystemColor(DWT.COLOR_RED));
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305 event.gc.fillRectangle(new Rectangle(bounds.width / 2 + bounds.x
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306 - 5, bounds.y, 10, bounds.height));
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307 event.gc.fillRectangle(new Rectangle(bounds.x, bounds.height / 2
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308 + bounds.y - 5, bounds.width, 10));
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309
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310 }
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311 }
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312
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313 private TableViewer viewer;
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314
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315 private CountryEntry[] entries;
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316
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317 public this() {
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318 entries = new CountryEntry[3];
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319 entries[0] = new AustriaEntry();
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320 entries[1] = new GermanyEntry();
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321 entries[2] = new EnglandEntry();
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322 }
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323
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324 /*
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325 * (non-Javadoc)
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326 *
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327 * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(dwt.widgets.Composite)
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328 */
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329 public void createPartControl(Composite parent) {
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330 viewer = new TableViewer(parent, DWT.FULL_SELECTION);
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331
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332 viewer.setContentProvider(new class() IStructuredContentProvider {
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333 /*
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334 * (non-Javadoc)
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335 *
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336 * @see dwtx.jface.viewers.IContentProvider#dispose()
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337 */
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338 public void dispose() {
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339 };
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340
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341 /*
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342 * (non-Javadoc)
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343 *
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344 * @see dwtx.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
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345 */
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346 public Object[] getElements(Object inputElement) {
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347 return (cast(Snippet010OwnerDraw) inputElement).entries;
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348 };
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349
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350 /*
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351 * (non-Javadoc)
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352 *
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353 * @see dwtx.jface.viewers.IContentProvider#inputChanged(dwtx.jface.viewers.Viewer,
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354 * java.lang.Object, java.lang.Object)
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355 */
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356 public void inputChanged(Viewer viewer,
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357 Object oldInput, Object newInput) {
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358 }
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359
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360 });
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361 createColumns();
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362
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363 viewer.setLabelProvider(new class() OwnerDrawLabelProvider {
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364
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365
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366 protected void measure(Event event, Object element) {
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367 CountryEntry country = cast(CountryEntry) element;
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368
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369 event.setBounds(new Rectangle(event.x, event.y, country.getWidth(event),
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370 country.getHeight(event)));
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371
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372 }
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373
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374 /*
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375 * (non-Javadoc)
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376 *
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377 * @see dwtx.jface.viewers.OwnerDrawLabelProvider#paint(dwt.widgets.Event,
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378 * java.lang.Object)
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379 */
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380 protected void paint(Event event, Object element) {
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381 CountryEntry entry = cast(CountryEntry) element;
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382 entry.draw(event);
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383
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384 }
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385 });
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386
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387 OwnerDrawLabelProvider.setUpOwnerDraw(viewer);
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388 viewer.setInput(this);
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389 GridData data = new GridData(GridData.GRAB_HORIZONTAL
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390 | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
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391
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392 viewer.getControl().setLayoutData(data);
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393
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394 viewer.setSelection(new StructuredSelection(entries[1]));
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395 }
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396
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397 /**
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398 * Create the columns to be used in the tree.
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399 */
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400 private void createColumns() {
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401 TableLayout layout = new TableLayout();
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402 viewer.getTable().setLayout(layout);
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403 viewer.getTable().setHeaderVisible(true);
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404 viewer.getTable().setLinesVisible(true);
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405
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406 for (int i = 0; i < COLUMN_COUNT; i++) {
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407 TableColumn tc = new TableColumn(viewer.getTable(), DWT.NONE, i);
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408 layout.addColumnData(new ColumnPixelData(100));
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409 tc.setText(getTitleFor(i));
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410 }
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411 ;
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412 }
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413
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414 /**
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415 * @param i
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416 * @return
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417 */
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418 private String getTitleFor(int i) {
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419 switch (i) {
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420 case 0:
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421 return "Name";
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422 case 1:
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423 return "Flag";
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424 case 2:
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425 return "World Cup Year";
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426 }
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427 return "Unknown";
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428 }
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429
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430 public void setFocus() {
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431
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432 }
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433
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434 }