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annotate org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet030DateAndTimeObservableValue.d @ 90:6086085e153d

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Added databinding snippets. unmodified java sources.
author Frank Benoit <benoit@tionex.de>
date Sun, 19 Apr 2009 11:33:55 +0200
parents
children 5d5bd660917f
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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 169876)
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10 ******************************************************************************/
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11
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12 package org.eclipse.jface.examples.databinding.snippets;
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13
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14 import java.util.Date;
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15
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16 import org.eclipse.core.databinding.DataBindingContext;
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17 import org.eclipse.core.databinding.observable.Realm;
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18 import org.eclipse.core.databinding.observable.value.DateAndTimeObservableValue;
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19 import org.eclipse.core.databinding.observable.value.IObservableValue;
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20 import org.eclipse.core.databinding.observable.value.WritableValue;
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21 import org.eclipse.jface.databinding.swt.SWTObservables;
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22 import org.eclipse.jface.databinding.swt.WidgetProperties;
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23 import org.eclipse.swt.SWT;
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24 import org.eclipse.swt.layout.GridData;
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25 import org.eclipse.swt.layout.GridLayout;
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26 import org.eclipse.swt.widgets.Button;
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27 import org.eclipse.swt.widgets.DateTime;
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28 import org.eclipse.swt.widgets.Display;
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29 import org.eclipse.swt.widgets.Event;
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30 import org.eclipse.swt.widgets.Label;
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31 import org.eclipse.swt.widgets.Listener;
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32 import org.eclipse.swt.widgets.Shell;
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33 import org.eclipse.swt.widgets.Text;
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34
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35 /**
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36 * @since 3.2
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37 *
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38 */
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39 public class Snippet030DateAndTimeObservableValue {
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40 protected Shell shell;
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41 private Text modelText;
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42 private DateTime date;
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43 private DateTime calendar;
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44 private DateTime time;
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45 private Button syncTime;
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46
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47 /**
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48 * Launch the application
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49 *
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50 * @param args
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51 */
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52 public static void main(String[] args) {
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53 try {
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54 Snippet030DateAndTimeObservableValue window = new Snippet030DateAndTimeObservableValue();
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55 window.open();
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56 } catch (Exception e) {
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57 e.printStackTrace();
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58 }
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59 }
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60
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61 /**
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62 * Open the window
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63 */
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64 public void open() {
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65 final Display display = Display.getDefault();
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66 Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
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67 public void run() {
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68 createContents();
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69 shell.pack();
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70 shell.open();
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71 while (!shell.isDisposed()) {
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72 if (!display.readAndDispatch())
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73 display.sleep();
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74 }
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75 }
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76 });
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77 }
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78
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79 protected void createContents() {
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80 shell = new Shell();
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81 GridLayout layout = new GridLayout();
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82 layout.numColumns = 3;
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83 shell.setLayout(layout);
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84 shell.setText("Snippet030DateAndTimeObservableValue.java");
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85
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86 new Label(shell, SWT.NONE).setText("Model date + time");
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87 modelText = new Text(shell, SWT.BORDER);
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88 modelText.setEditable(false);
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89 modelText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false,
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90 2, 1));
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91
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92 new Label(shell, SWT.NONE).setText("Target date (SWT.DATE)");
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93 date = new DateTime(shell, SWT.DATE | SWT.BORDER);
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94 date.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 2,
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95 1));
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96
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97 new Label(shell, SWT.NONE).setText("Target date (SWT.CALENDAR)");
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98 calendar = new DateTime(shell, SWT.CALENDAR);
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99 calendar.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false,
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100 2, 1));
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101
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102 new Label(shell, SWT.NONE).setText("Target time");
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103 time = new DateTime(shell, SWT.TIME | SWT.BORDER);
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104
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105 syncTime = new Button(shell, SWT.CHECK);
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106 syncTime.setLayoutData(new GridData());
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107 syncTime.setText("Sync with system time");
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108
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109 bindUI();
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110 }
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111
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112 private void bindUI() {
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113 DataBindingContext dbc = new DataBindingContext();
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114
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115 IObservableValue model = WritableValue.withValueType(Date.class);
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116 model.setValue(new Date());
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117
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118 dbc.bindValue(WidgetProperties.text().observe(modelText), model);
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119
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120 final IObservableValue timeSelection = WidgetProperties.selection()
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121 .observe(time);
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122
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123 dbc.bindValue(new DateAndTimeObservableValue(WidgetProperties
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124 .selection().observe(date), timeSelection), model);
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125 dbc.bindValue(new DateAndTimeObservableValue(WidgetProperties
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126 .selection().observe(calendar), timeSelection), model);
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127
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128 syncTime.addListener(SWT.Selection, new Listener() {
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129 Runnable runnable = new Runnable() {
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130 public void run() {
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131 if (syncTime.getSelection()) {
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132 timeSelection.setValue(new Date());
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133 Display.getCurrent().timerExec(100, this);
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134 }
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135 }
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136 };
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137
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138 public void handleEvent(Event event) {
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139 time.setEnabled(!syncTime.getSelection());
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140 if (syncTime.getSelection()) {
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141 runnable.run();
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142 }
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143 }
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144 });
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145 }
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146 }