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annotate org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet029TreeViewerMultiListProperty.d @ 125:c43718956f21 default tip

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Updated the snippets status.
author Jacob Carlborg <doob@me.com>
date Thu, 11 Aug 2011 19:55:14 +0200
parents e884642ad36e
children
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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.Snippet029TreeViewerMultiListProperty;
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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 import java.util.ArrayList;
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20 import java.util.List;
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21
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22 import org.eclipse.core.databinding.beans.BeanProperties;
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23 import org.eclipse.core.databinding.observable.Realm;
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24 import org.eclipse.core.databinding.property.list.IListProperty;
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25 import org.eclipse.core.databinding.property.list.MultiListProperty;
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26 import org.eclipse.jface.databinding.swt.SWTObservables;
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27 import org.eclipse.jface.databinding.viewers.ObservableListTreeContentProvider;
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28 import org.eclipse.jface.databinding.viewers.ObservableMapLabelProvider;
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29 import org.eclipse.jface.viewers.TreeViewer;
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30 import org.eclipse.swt.SWT;
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31 import org.eclipse.swt.graphics.GC;
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32 import org.eclipse.swt.graphics.Image;
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33 import org.eclipse.swt.layout.FillLayout;
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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.Shell;
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37
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38 /**
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39 * @since 3.2
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40 *
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41 */
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42 public class Snippet029TreeViewerMultiListProperty {
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43 protected Shell shell;
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44 private TreeViewer viewer;
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46 /**
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47 * Launch the application
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48 *
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49 * @param args
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50 */
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51 public static void main(String[] args) {
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52 try {
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53 Snippet029TreeViewerMultiListProperty window = new Snippet029TreeViewerMultiListProperty();
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54 window.open();
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55 } catch (Exception e) {
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56 e.printStackTrace();
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57 }
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58 }
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60 /**
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61 * Open the window
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62 */
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63 public void open() {
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64 final Display display = Display.getDefault();
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65 Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
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66 public void run() {
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67 createContents();
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68 shell.open();
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69 shell.layout();
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70 while (!shell.isDisposed()) {
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71 if (!display.readAndDispatch())
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72 display.sleep();
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73 }
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74 }
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75 });
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76 }
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78 protected void createContents() {
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79 shell = new Shell();
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80 shell.setSize(509, 375);
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81 shell.setText("Snippet028DuplexingObservableValue.java");
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82 final GridLayout gridLayout = new GridLayout();
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83 gridLayout.makeColumnsEqualWidth = true;
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84 gridLayout.numColumns = 4;
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85 shell.setLayout(new FillLayout());
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87 viewer = new TreeViewer(shell, SWT.FULL_SELECTION | SWT.MULTI
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88 | SWT.BORDER);
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90 bindUI();
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91 }
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93 // Minimal JavaBeans support
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94 public static abstract class AbstractModelObject {
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95 private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(
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96 this);
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98 public void addPropertyChangeListener(PropertyChangeListener listener) {
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99 propertyChangeSupport.addPropertyChangeListener(listener);
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100 }
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102 public void addPropertyChangeListener(String propertyName,
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103 PropertyChangeListener listener) {
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104 propertyChangeSupport.addPropertyChangeListener(propertyName,
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105 listener);
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106 }
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108 public void removePropertyChangeListener(PropertyChangeListener listener) {
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109 propertyChangeSupport.removePropertyChangeListener(listener);
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110 }
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112 public void removePropertyChangeListener(String propertyName,
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113 PropertyChangeListener listener) {
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114 propertyChangeSupport.removePropertyChangeListener(propertyName,
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115 listener);
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116 }
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118 protected void firePropertyChange(String propertyName, Object oldValue,
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119 Object newValue) {
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120 propertyChangeSupport.firePropertyChange(propertyName, oldValue,
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121 newValue);
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122 }
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123 }
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125 public static class Catalog : AbstractModelObject {
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126 private String name;
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127 private List catalogs = new ArrayList();
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128 private List items = new ArrayList();
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130 public Catalog(String name) {
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131 this.name = name;
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132 }
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134 public String getName() {
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135 return name;
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136 }
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138 public void setName(String name) {
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139 firePropertyChange("name", this.name, this.name = name);
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140 }
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142 public List getCatalogs() {
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143 return catalogs;
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144 }
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146 public void setCatalogs(List catalogs) {
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147 firePropertyChange("catalogs", this.catalogs,
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148 this.catalogs = catalogs);
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149 }
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151 public List getItems() {
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152 return items;
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153 }
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155 public void setItems(List items) {
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156 firePropertyChange("items", this.items, this.items = items);
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157 }
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158 }
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159
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160 public static class CatalogItem : AbstractModelObject {
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161 private String name;
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162
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163 public CatalogItem(String name) {
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164 this.name = name;
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165 }
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166
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167 public String getName() {
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168 return name;
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169 }
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170
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171 public void setName(String name) {
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172 firePropertyChange("name", this.name, this.name = name);
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173 }
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174 }
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175
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176 private void bindUI() {
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177 List items;
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178
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179 Catalog fruits = new Catalog("Fruits");
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180 items = new ArrayList();
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181 items.add(new CatalogItem("Apple"));
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182 items.add(new CatalogItem("Orange"));
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183 fruits.setCatalogs(items);
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184
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185 Catalog vegetables = new Catalog("Vegetables");
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186 items = new ArrayList();
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187 items.add(new CatalogItem("Peas"));
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188 items.add(new CatalogItem("Carrots"));
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189 items.add(new CatalogItem("Potatoes"));
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190 vegetables.setItems(items);
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191
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192 Catalog foods = new Catalog("Foods");
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193 items = new ArrayList();
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194 items.add(fruits);
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195 items.add(vegetables);
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196 foods.setCatalogs(items);
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197
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198 items = new ArrayList();
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199 items.add(new CatalogItem("Own Hand"));
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200 foods.setItems(items);
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201
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202 Catalog catalog = new Catalog("Main Catalog");
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203 items = new ArrayList();
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204 items.add(foods);
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205 catalog.setCatalogs(items);
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206
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207 IListProperty childrenProperty = new MultiListProperty(
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208 new IListProperty[] { BeanProperties.list("catalogs"),
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209 BeanProperties.list("items") });
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210
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211 ObservableListTreeContentProvider contentProvider = new ObservableListTreeContentProvider(
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212 childrenProperty.listFactory(), null);
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213 viewer.setContentProvider(contentProvider);
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214
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215 ObservableMapLabelProvider labelProvider = new ObservableMapLabelProvider(
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216 BeanProperties.value("name").observeDetail(
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217 contentProvider.getKnownElements())) {
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218 Image catalogImage = createCatalogImage();
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219 Image catalogItemImage = createCatalogItemImage();
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220
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221 public Image getImage(Object element) {
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222 if (element instanceof Catalog)
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223 return catalogImage;
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224 if (element instanceof CatalogItem)
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225 return catalogItemImage;
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226 return super.getImage(element);
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227 }
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228
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229 public void dispose() {
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230 catalogImage.dispose();
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231 catalogItemImage.dispose();
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232 super.dispose();
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233 }
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234
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235 private Image createCatalogImage() {
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236 Display display = Display.getCurrent();
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237 Image catalogImage = new Image(display, 12, 12);
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238 GC gc = new GC(catalogImage);
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239 gc.setBackground(display.getSystemColor(SWT.COLOR_GREEN));
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240 gc.fillArc(1, 1, 10, 10, 0, 360);
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241 gc.dispose();
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242 return catalogImage;
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243 }
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244
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245 private Image createCatalogItemImage() {
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246 Display display = Display.getCurrent();
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247 Image catalogImage = new Image(display, 12, 12);
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248 GC gc = new GC(catalogImage);
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249 gc.setBackground(display.getSystemColor(SWT.COLOR_CYAN));
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250 gc.fillPolygon(new int[] { 1, 10, 5, 1, 6, 1, 10, 10, 1, 10 });
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251 gc.dispose();
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252 return catalogImage;
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253 }
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254 };
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255 viewer.setLabelProvider(labelProvider);
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256
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257 viewer.setInput(catalog);
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258 }
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259 }
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260 void main( String[] args ){
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261 Snippet029TreeViewerMultiListProperty.main(args);
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262 }