Mercurial > projects > dwt2
annotate org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet024SelectObservableValue.d @ 125:c43718956f21 default tip
Updated the snippets status.
author | Jacob Carlborg <doob@me.com> |
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date | Thu, 11 Aug 2011 19:55:14 +0200 |
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1 /******************************************************************************* |
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2 * Copyright (c) 2008 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 249992) |
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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.Snippet024SelectObservableValue; |
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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 org.eclipse.core.databinding.DataBindingContext; |
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18 import org.eclipse.core.databinding.observable.Realm; |
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19 import org.eclipse.core.databinding.observable.value.SelectObservableValue; |
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20 import org.eclipse.jface.databinding.swt.SWTObservables; |
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21 import org.eclipse.jface.databinding.viewers.IViewerObservableValue; |
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22 import org.eclipse.jface.databinding.viewers.ViewersObservables; |
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23 import org.eclipse.jface.viewers.ArrayContentProvider; |
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24 import org.eclipse.jface.viewers.ListViewer; |
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25 import org.eclipse.swt.SWT; |
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26 import org.eclipse.swt.layout.GridData; |
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27 import org.eclipse.swt.layout.GridLayout; |
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28 import org.eclipse.swt.widgets.Button; |
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29 import org.eclipse.swt.widgets.Display; |
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30 import org.eclipse.swt.widgets.Group; |
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31 import org.eclipse.swt.widgets.Shell; |
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32 |
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33 /** |
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34 * Demonstrate usage of SelectObservableValue |
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35 * |
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36 * @since 3.2 |
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37 */ |
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38 public class Snippet024SelectObservableValue { |
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39 protected Shell shell; |
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40 |
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41 public static void main(String[] args) { |
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42 final Display display = Display.getDefault(); |
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43 Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() { |
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44 public void run() { |
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45 try { |
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46 Snippet024SelectObservableValue window = new Snippet024SelectObservableValue(); |
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47 window.open(); |
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48 } catch (Exception e) { |
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49 e.printStackTrace(); |
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50 } |
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51 } |
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52 }); |
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53 } |
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54 |
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55 public void open() { |
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56 final Display display = Display.getDefault(); |
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57 createContents(); |
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58 shell.open(); |
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59 shell.layout(); |
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60 while (!shell.isDisposed()) { |
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61 if (!display.readAndDispatch()) |
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62 display.sleep(); |
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63 } |
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64 } |
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65 |
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66 protected void createContents() { |
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67 shell = new Shell(); |
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68 shell.setSize(400, 300); |
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69 shell.setLayout(new GridLayout(2, true)); |
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70 shell.setText("Snippet024SelectObservableValue"); |
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71 |
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72 final ListViewer listViewer = new ListViewer(shell, SWT.BORDER); |
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73 listViewer.setContentProvider(new ArrayContentProvider()); |
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74 listViewer.getList().setLayoutData( |
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75 new GridData(SWT.FILL, SWT.FILL, true, true)); |
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76 |
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77 final Group group = new Group(shell, SWT.NONE); |
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78 group.setText("Radio Group"); |
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79 group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); |
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80 group.setLayout(new GridLayout()); |
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81 |
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82 // Data Binding |
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83 Color[] colors = Color.values(); |
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84 |
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85 listViewer.setInput(colors); |
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86 IViewerObservableValue listViewerSelection = ViewersObservables |
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87 .observeSingleSelection(listViewer); |
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88 |
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89 SelectObservableValue radioGroup = new SelectObservableValue(); |
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90 for (int i = 0; i < colors.length; i++) { |
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91 Button button = new Button(group, SWT.RADIO); |
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92 button.setText(colors[i].toString()); |
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93 radioGroup.addOption(colors[i], SWTObservables |
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94 .observeSelection(button)); |
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95 } |
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96 |
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97 DataBindingContext dbc = new DataBindingContext(); |
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98 dbc.bindValue(radioGroup, listViewerSelection); |
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99 } |
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100 |
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101 public static class Color { |
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102 public static final Color RED = new Color("Red"); |
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103 public static final Color ORANGE = new Color("Orange"); |
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104 public static final Color YELLOW = new Color("Yellow"); |
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105 public static final Color GREEN = new Color("Green"); |
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106 public static final Color BLUE = new Color("Blue"); |
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107 public static final Color INDIGO = new Color("Indigo"); |
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108 public static final Color VIOLET = new Color("Violet"); |
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109 |
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110 private final String name; |
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111 |
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112 private Color(String name) { |
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113 this.name = name; |
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114 } |
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115 |
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116 public String toString() { |
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117 return name; |
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118 } |
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119 |
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120 public static Color[] values() { |
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121 return new Color[] { RED, ORANGE, YELLOW, GREEN, BLUE, INDIGO, |
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122 VIOLET }; |
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123 } |
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124 } |
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125 } |
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126 void main( String[] args ){ |
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127 Snippet024SelectObservableValue.main(args); |
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128 } |