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annotate org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet009TableViewer.d @ 100:e884642ad36e

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more work on examples
author Frank Benoit <benoit@tionex.de>
date Thu, 23 Apr 2009 00:02:38 +0200
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1 /*******************************************************************************
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2 * Copyright (c) 2006 The Pampered Chef, Inc. 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 * Coconut Palm Software, Inc. - Initial API and implementation
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10 * Matthew Hall - bug 260337
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11 ******************************************************************************/
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12
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13 module org.eclipse.jface.examples.databinding.snippets.Snippet009TableViewer;
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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.LinkedList;
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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.DataBindingContext;
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24 import org.eclipse.core.databinding.beans.BeansObservables;
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25 import org.eclipse.core.databinding.observable.Realm;
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26 import org.eclipse.core.databinding.observable.list.WritableList;
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27 import org.eclipse.core.databinding.observable.map.IObservableMap;
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28 import org.eclipse.jface.databinding.swt.SWTObservables;
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29 //import org.eclipse.jface.databinding.viewers.ViewerSupport;
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30 import org.eclipse.jface.databinding.viewers.ObservableListContentProvider;
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31 import org.eclipse.jface.databinding.viewers.ObservableMapLabelProvider;
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32 import org.eclipse.jface.viewers.TableViewer;
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33 import org.eclipse.swt.SWT;
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34 import org.eclipse.swt.layout.FillLayout;
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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 import org.eclipse.swt.widgets.Table;
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38 import org.eclipse.swt.widgets.TableColumn;
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39
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40 /**
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41 * Demonstrates binding a TableViewer to a collection.
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42 */
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43 public class Snippet009TableViewer {
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44 public static void main(String[] args) {
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45 final Display display = Display.getDefault();
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46
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47 // In an RCP application, the threading Realm will be set for you
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48 // automatically by the Workbench. In an SWT application, you can do
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49 // this once, wrpping your binding method call.
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50 Realm.runWithDefault(SWTObservables.getRealm(display), dgRunnable(() {
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51
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52 ViewModel viewModel = new ViewModel();
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53 Shell shell = (new View(viewModel)).createShell();
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54
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55 // The SWT event loop
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56 while (!shell.isDisposed()) {
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57 if (!display.readAndDispatch()) {
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58 display.sleep();
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59 }
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60 }
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61 }));
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62 }
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64 // Minimal JavaBeans support
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65 public static abstract class AbstractModelObject {
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66 private PropertyChangeSupport propertyChangeSupport;
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67 this(){
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68 propertyChangeSupport = new PropertyChangeSupport(
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69 this);
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70 }
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72 public void addPropertyChangeListener(PropertyChangeListener listener) {
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73 propertyChangeSupport.addPropertyChangeListener(listener);
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74 }
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76 public void addPropertyChangeListener(String propertyName,
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77 PropertyChangeListener listener) {
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78 propertyChangeSupport.addPropertyChangeListener(propertyName,
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79 listener);
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80 }
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82 public void removePropertyChangeListener(PropertyChangeListener listener) {
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83 propertyChangeSupport.removePropertyChangeListener(listener);
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84 }
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86 public void removePropertyChangeListener(String propertyName,
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87 PropertyChangeListener listener) {
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88 propertyChangeSupport.removePropertyChangeListener(propertyName,
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89 listener);
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90 }
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92 protected void firePropertyChange(String propertyName, Object oldValue,
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93 Object newValue) {
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94 propertyChangeSupport.firePropertyChange(propertyName, oldValue,
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95 newValue);
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96 }
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97 }
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99 // The data model class. This is normally a persistent class of some sort.
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100 static class Person : AbstractModelObject {
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101 // A property...
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102 String name = "John Smith";
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103
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104 public this(String name) {
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105 this.name = name;
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106 }
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108 public String getName() {
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109 return name;
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110 }
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111
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112 public void setName(String name) {
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113 String oldValue = this.name;
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114 this.name = name;
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115 firePropertyChange("name", stringcast(oldValue), stringcast(name));
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116 }
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117 }
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118
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119 // The View's model--the root of our Model graph for this particular GUI.
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120 //
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121 // Typically each View class has a corresponding ViewModel class.
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122 // The ViewModel is responsible for getting the objects to edit from the
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123 // data access tier. Since this snippet doesn't have any persistent objects
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124 // ro retrieve, this ViewModel just instantiates a model object to edit.
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125 static class ViewModel {
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126 // The model to bind
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127 private List people;
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128 this(){
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129 people = new LinkedList();
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130 people.add(new Person("Steve Northover"));
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131 people.add(new Person("Grant Gayed"));
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132 people.add(new Person("Veronika Irvine"));
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133 people.add(new Person("Mike Wilson"));
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134 people.add(new Person("Christophe Cornu"));
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135 people.add(new Person("Lynne Kues"));
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136 people.add(new Person("Silenio Quarti"));
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137 }
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139 public List getPeople() {
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140 return people;
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141 }
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142 }
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144 // The GUI view
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145 static class View {
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146 private ViewModel viewModel;
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147 private Table committers;
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148
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149 public this(ViewModel viewModel) {
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150 this.viewModel = viewModel;
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151 }
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152
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153 public Shell createShell() {
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154 // Build a UI
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155 Display display = Display.getDefault();
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156 Shell shell = new Shell(display);
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157 shell.setLayout(new FillLayout());
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158 committers = new Table(shell, SWT.BORDER | SWT.FULL_SELECTION);
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159 committers.setLinesVisible(true);
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160 TableColumn column = new TableColumn(committers, SWT.NONE);
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161
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162 // Set up data binding.
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163 TableViewer peopleViewer = new TableViewer(committers);
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164
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165 ///ViewerSupport.bind(peopleViewer, new WritableList(viewModel
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166 /// .getPeople(), Class.fromType!(Person)), BeanProperties.value(
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167 /// Class.fromType!(Person), "name"));
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168
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169 // Create a standard content provider
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170 ObservableListContentProvider peopleViewerContentProvider =
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171 new ObservableListContentProvider();
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172 peopleViewer.setContentProvider(peopleViewerContentProvider);
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173
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174 // And a standard label provider that maps columns
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175 IObservableMap[] attributeMaps = BeansObservables.observeMaps(
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176 peopleViewerContentProvider.getKnownElements(), Class.fromType!(Person),
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177 [ "name" ]);
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178 peopleViewer.setLabelProvider(new ObservableMapLabelProvider(attributeMaps));
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179
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180 // Now set the Viewer's input
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181 peopleViewer.setInput(new WritableList(viewModel.getPeople(), Class.fromType!(Person)));
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182
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183 column.pack();
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184
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185 // Open and return the Shell
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186 shell.setSize(100, 300);
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187 shell.open();
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188 return shell;
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189 }
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190 }
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191
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192 }
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193
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194 void main( String[] args ){
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195 Snippet009TableViewer.main(args);
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196 }