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annotate org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet010MasterDetail.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
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1 /*******************************************************************************
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2 * Copyright (c) 2007 Brad Reynolds 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 * Brad Reynolds - initial API and implementation
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10 * Matthew Hall - bug 260329
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11 ******************************************************************************/
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12
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13 module org.eclipse.jface.examples.databinding.snippets.Snippet010MasterDetail;
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14
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15 import java.lang.all;
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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.UpdateValueStrategy;
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22 import org.eclipse.core.databinding.beans.BeansObservables;
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23 import org.eclipse.core.databinding.observable.Realm;
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24 import org.eclipse.core.databinding.observable.value.IObservableValue;
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25 import org.eclipse.jface.databinding.swt.SWTObservables;
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26 import org.eclipse.jface.databinding.viewers.ViewersObservables;
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27 import org.eclipse.jface.viewers.ArrayContentProvider;
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28 import org.eclipse.jface.viewers.ListViewer;
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29 import org.eclipse.jface.viewers.Viewer;
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30 import org.eclipse.swt.SWT;
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31 import org.eclipse.swt.layout.GridLayout;
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32 import org.eclipse.swt.widgets.Display;
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33 import org.eclipse.swt.widgets.Shell;
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34 import org.eclipse.swt.widgets.Text;
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35
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36 /**
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37 * Snippet that displays a simple master detail use case. A list of persons is
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38 * displayed in a list and upon selection the name of the selected person will
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39 * be displayed in a Text widget.
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40 */
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41 public class Snippet010MasterDetail {
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42 public static void main(String[] args) {
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43 final Display display = new Display();
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44 Realm.runWithDefault(SWTObservables.getRealm(display), dgRunnable(() {
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45 Shell shell = new Shell(display);
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46 shell.setLayout(new GridLayout());
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48 Person[] persons = [ new Person("Me"),
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49 new Person("Myself"), new Person("I") ];
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51 ListViewer viewer = new ListViewer(shell);
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52 viewer.setContentProvider(new ArrayContentProvider!(Object)());
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53 viewer.setInput(new ArrayWrapperObject(persons));
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55 Text name = new Text(shell, SWT.BORDER | SWT.READ_ONLY);
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57 // 1. Observe changes in selection.
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58 IObservableValue selection = ViewersObservables
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59 .observeSingleSelection(cast(Viewer)viewer);
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61 // 2. Observe the name property of the current selection.
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62 IObservableValue detailObservable = BeansObservables
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63 .observeDetailValue(SWTObservables.getRealm(display), selection, "name", Class.fromType!(String));
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65 // 3. Bind the Text widget to the name detail (selection's
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66 // name).
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67 (new DataBindingContext()).bindValue(SWTObservables.observeText(
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68 name, SWT.None), detailObservable,
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69 new UpdateValueStrategy(false,
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70 UpdateValueStrategy.POLICY_NEVER), null);
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72 shell.open();
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73 while (!shell.isDisposed()) {
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74 if (!display.readAndDispatch())
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75 display.sleep();
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76 }
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77 }));
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78 display.dispose();
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79 }
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81 public static class Person {
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82 private String name;
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83 private PropertyChangeSupport changeSupport;
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85 this(String name) {
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86 changeSupport = new PropertyChangeSupport(this);
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87 this.name = name;
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88 }
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90 public void addPropertyChangeListener(PropertyChangeListener listener) {
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91 changeSupport.addPropertyChangeListener(listener);
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92 }
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93
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94 public void removePropertyChangeListener(PropertyChangeListener listener) {
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95 changeSupport.removePropertyChangeListener(listener);
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96 }
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97
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98 /**
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99 * @return Returns the name.
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100 */
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101 public String getName() {
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102 return name;
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103 }
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105 public String toString() {
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106 return name;
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107 }
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108 }
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109 }
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110 void main( String[] args ){
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111 Snippet010MasterDetail.main(args);
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112 }