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annotate org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet028DuplexingObservableValue.d @ 99:5d5bd660917f

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build some databind snippets
author Frank Benoit <benoit@tionex.de>
date Wed, 22 Apr 2009 18:59:26 +0200
parents 6086085e153d
children e884642ad36e
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1 /*******************************************************************************
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2 * Copyright (c) 2009 Matthew Hall 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 * Matthew Hall - initial API and implementation (bug 175735)
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10 * Matthew Hall - bugs 262407, 260337
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11 ******************************************************************************/
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12
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13 module org.eclipse.jface.examples.databinding.snippets.Snippet028DuplexingObservableValue;
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14
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15 import java.lang.all;
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16
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17 import java.beans.PropertyChangeListener;
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18 import java.beans.PropertyChangeSupport;
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19
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20 import org.eclipse.core.databinding.DataBindingContext;
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21 import org.eclipse.core.databinding.beans.BeanProperties;
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22 import org.eclipse.core.databinding.observable.Realm;
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23 import org.eclipse.core.databinding.observable.list.IObservableList;
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24 import org.eclipse.core.databinding.observable.list.WritableList;
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25 import org.eclipse.core.databinding.observable.value.DuplexingObservableValue;
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26 import org.eclipse.jface.databinding.swt.SWTObservables;
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27 import org.eclipse.jface.databinding.swt.WidgetProperties;
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28 import org.eclipse.jface.databinding.viewers.ViewerSupport;
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29 import org.eclipse.jface.databinding.viewers.ViewerProperties;
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30 import org.eclipse.jface.viewers.StructuredSelection;
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31 import org.eclipse.jface.viewers.TableViewer;
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32 import org.eclipse.swt.SWT;
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33 import org.eclipse.swt.layout.GridData;
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34 import org.eclipse.swt.layout.GridLayout;
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35 import org.eclipse.swt.widgets.Display;
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36 import org.eclipse.swt.widgets.Label;
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37 import org.eclipse.swt.widgets.Shell;
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38 import org.eclipse.swt.widgets.Table;
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39 import org.eclipse.swt.widgets.TableColumn;
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40 import org.eclipse.swt.widgets.Text;
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41
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42 /**
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43 * @since 3.2
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44 *
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45 */
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46 public class Snippet028DuplexingObservableValue {
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47 protected Shell shell;
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48 private TableViewer viewer;
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49 private Table table;
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50 private Text releaseDate;
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51 private Text title;
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52 private Text director;
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53 private Text writer;
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54
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55 /**
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56 * Launch the application
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57 *
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58 * @param args
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59 */
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60 public static void main(String[] args) {
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61 try {
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62 Snippet028DuplexingObservableValue window = new Snippet028DuplexingObservableValue();
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63 window.open();
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64 } catch (Exception e) {
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65 e.printStackTrace();
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66 }
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67 }
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69 /**
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70 * Open the window
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71 */
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72 public void open() {
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73 final Display display = Display.getDefault();
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74 Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
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75 public void run() {
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76 createContents();
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77 shell.open();
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78 shell.layout();
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79 while (!shell.isDisposed()) {
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80 if (!display.readAndDispatch())
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81 display.sleep();
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82 }
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83 }
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84 });
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85 }
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87 protected void createContents() {
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88 shell = new Shell();
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89 shell.setSize(509, 375);
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90 shell.setText("Snippet028DuplexingObservableValue.java");
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91 final GridLayout gridLayout = new GridLayout();
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92 gridLayout.makeColumnsEqualWidth = true;
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93 gridLayout.numColumns = 4;
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94 shell.setLayout(gridLayout);
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96 viewer = new TableViewer(shell, SWT.FULL_SELECTION | SWT.MULTI
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97 | SWT.BORDER);
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98 table = viewer.getTable();
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99 table.setLinesVisible(true);
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100 table.setHeaderVisible(true);
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101 table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 4, 1));
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102
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103 final TableColumn newColumnTableColumn_1 = new TableColumn(table,
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104 SWT.NONE);
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105 newColumnTableColumn_1.setWidth(120);
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106 newColumnTableColumn_1.setText("Movie");
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107
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108 final TableColumn newColumnTableColumn = new TableColumn(table,
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109 SWT.NONE);
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111 newColumnTableColumn.setWidth(120);
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112 newColumnTableColumn.setText("Release Date");
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113
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114 final TableColumn newColumnTableColumn_2 = new TableColumn(table,
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115 SWT.NONE);
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116 newColumnTableColumn_2.setWidth(120);
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117 newColumnTableColumn_2.setText("Director");
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118
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119 final TableColumn newColumnTableColumn_3 = new TableColumn(table,
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120 SWT.NONE);
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121 newColumnTableColumn_3.setWidth(120);
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122 newColumnTableColumn_3.setText("Writer");
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123
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124 final Label movieLabel = new Label(shell, SWT.NONE);
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125 movieLabel.setText("Movie");
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126
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127 final Label directorLabel = new Label(shell, SWT.NONE);
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128 directorLabel.setLayoutData(new GridData());
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129 directorLabel.setText("Release Date");
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131 final Label producerLabel = new Label(shell, SWT.NONE);
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132 producerLabel.setText("Director");
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133
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134 final Label scoreLabel = new Label(shell, SWT.NONE);
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135 scoreLabel.setText("Writer");
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136
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137 title = new Text(shell, SWT.BORDER);
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138 final GridData gd_title = new GridData(SWT.FILL, SWT.CENTER, true,
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139 false);
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140 title.setLayoutData(gd_title);
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141
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142 releaseDate = new Text(shell, SWT.BORDER);
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143 final GridData gd_releaseDate = new GridData(SWT.FILL, SWT.CENTER,
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144 true, false);
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145 releaseDate.setLayoutData(gd_releaseDate);
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146
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147 director = new Text(shell, SWT.BORDER);
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148 final GridData gd_director = new GridData(SWT.FILL, SWT.CENTER, true,
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149 false);
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150 director.setLayoutData(gd_director);
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151
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152 writer = new Text(shell, SWT.BORDER);
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153 final GridData gd_writer = new GridData(SWT.FILL, SWT.CENTER, true,
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154 false);
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155 writer.setLayoutData(gd_writer);
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156
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157 bindUI();
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158 }
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159
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160 // Minimal JavaBeans support
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161 public static abstract class AbstractModelObject {
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162 private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(
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163 this);
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164
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165 public void addPropertyChangeListener(PropertyChangeListener listener) {
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166 propertyChangeSupport.addPropertyChangeListener(listener);
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167 }
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168
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169 public void addPropertyChangeListener(String propertyName,
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170 PropertyChangeListener listener) {
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171 propertyChangeSupport.addPropertyChangeListener(propertyName,
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172 listener);
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173 }
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174
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175 public void removePropertyChangeListener(PropertyChangeListener listener) {
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176 propertyChangeSupport.removePropertyChangeListener(listener);
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177 }
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178
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179 public void removePropertyChangeListener(String propertyName,
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180 PropertyChangeListener listener) {
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181 propertyChangeSupport.removePropertyChangeListener(propertyName,
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182 listener);
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183 }
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184
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185 protected void firePropertyChange(String propertyName, Object oldValue,
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186 Object newValue) {
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187 propertyChangeSupport.firePropertyChange(propertyName, oldValue,
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188 newValue);
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189 }
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190 }
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191
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192 public static class MovieInfo extends AbstractModelObject {
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193 private String title;
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194 private String releaseDate;
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195 private String director;
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196 private String writer;
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197
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198 public MovieInfo(String title, String releaseDate, String director,
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199 String writer) {
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200 this.title = title;
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201 this.releaseDate = releaseDate;
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202 this.director = director;
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203 this.writer = writer;
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204 }
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205
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206 public String getTitle() {
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207 return title;
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208 }
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209
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210 public void setTitle(String title) {
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211 firePropertyChange("title", this.title, this.title = title);
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212 }
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213
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214 public String getReleaseDate() {
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215 return releaseDate;
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216 }
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217
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218 public void setReleaseDate(String releaseDate) {
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219 firePropertyChange("releaseDate", this.releaseDate,
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220 this.releaseDate = releaseDate);
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221 }
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222
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223 public String getDirector() {
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224 return director;
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225 }
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226
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227 public void setDirector(String director) {
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228 firePropertyChange("director", this.director,
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229 this.director = director);
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230 }
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231
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232 public String getWriter() {
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233 return writer;
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234 }
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235
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236 public void setWriter(String writer) {
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237 firePropertyChange("writer", this.writer, this.writer = writer);
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238 }
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239 }
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240
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241 private void bindUI() {
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242 IObservableList movies = new WritableList();
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243 movies.add(new MovieInfo("007: Quantum of Solace", "October 31, 2008",
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244 "Marc Forster", "Robert Wade"));
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245 movies.add(new MovieInfo("Batman Begins", "June 15, 2005",
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246 "Christopher Nolan", "David S. Goyer"));
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247 movies.add(new MovieInfo("Cloverfield", "January 18, 2008",
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248 "Matt Reeves", "Drew Goddard"));
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249 movies.add(new MovieInfo("The Dark Knight", "July 18, 2008",
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250 "Christopher Nolan", "David S. Goyer"));
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251 movies.add(new MovieInfo("Finding Nemo", "May 30, 2003",
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252 "Andrew Stanton", "Andrew Stanton"));
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253 movies.add(new MovieInfo("Get Smart", "June 20, 2008", "Peter Segal",
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254 "Tom J. Astle"));
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255 movies.add(new MovieInfo(
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256 "Indiana Jones and the Kingdom of the Crystal Skull",
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257 "May 22, 2008", "Steven Spielberg", "Drunken Lemurs"));
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258 movies.add(new MovieInfo("Iron Man", "May 2, 2008", "Jon Favreau",
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259 "Mark Fergus"));
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260 movies.add(new MovieInfo("Raiders of the Lost Ark", "June 12, 1981",
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261 "Steven Spielberg", "George Lucas"));
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262 movies.add(new MovieInfo("Valkyrie", "December 25, 2008",
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263 "Bryan Singer", "Christopher McQuarrie"));
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264 movies.add(new MovieInfo("Wall-E", "June 27, 2008", "Andrew Stanton",
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265 "Andrew Stanton"));
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266 movies.add(new MovieInfo("Wanted", "June 27, 2008",
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267 "Timur Bekmambetov", "Michael Brandt"));
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268
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269 ViewerSupport.bind(viewer, movies, BeanProperties.values(
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270 MovieInfo.class, new String[] { "title", "releaseDate",
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271 "director", "writer" }));
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272
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273 // Select Batman Begins and The Dark Knight, which have the same
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274 // director and writer
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275 viewer.setSelection(new StructuredSelection(new Object[] {
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276 movies.get(1), movies.get(3) }));
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277
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278 DataBindingContext dbc = new DataBindingContext();
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279
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280 IObservableList selections = ViewerProperties.multipleSelection()
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281 .observe(viewer);
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282 dbc.bindValue(WidgetProperties.text(SWT.Modify).observe(title),
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283 DuplexingObservableValue.withDefaults(BeanProperties.value(
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284 "title").observeDetail(selections), "",
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285 "<Multiple titles>"));
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286 dbc.bindValue(WidgetProperties.text(SWT.Modify).observe(releaseDate),
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287 DuplexingObservableValue.withDefaults(BeanProperties.value(
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288 "releaseDate").observeDetail(selections), "",
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289 "<Multiple dates>"));
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290 dbc.bindValue(WidgetProperties.text(SWT.Modify).observe(director),
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291 DuplexingObservableValue.withDefaults(BeanProperties.value(
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292 "director").observeDetail(selections), "",
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293 "<Multiple directors>"));
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294 dbc.bindValue(WidgetProperties.text(SWT.Modify).observe(writer),
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295 DuplexingObservableValue.withDefaults(BeanProperties.value(
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296 "writer").observeDetail(selections), "",
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297 "<Multiple writers>"));
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298 }
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299 }
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300 void main( String[] args ){
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301 Snippet028DuplexingObservableValue.main(args);
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302 }