Mercurial > projects > dwt2
annotate org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet027ExternalValidator.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 |
parents | e884642ad36e |
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1 /******************************************************************************* |
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2 * Copyright (c) 2008, 2009 Code 9 Corporation 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 * Chris Aniszczyk <zx@code9.com> - initial API and implementation |
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10 * Boris Bokowski, IBM - minor changes |
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11 ******************************************************************************/ |
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12 |
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13 module org.eclipse.jface.examples.databinding.snippets.Snippet027ExternalValidator; |
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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 |
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20 import org.eclipse.core.databinding.DataBindingContext; |
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21 import org.eclipse.core.databinding.beans.BeansObservables; |
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22 import org.eclipse.core.databinding.observable.Realm; |
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23 import org.eclipse.core.databinding.observable.value.IObservableValue; |
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24 import org.eclipse.core.databinding.validation.MultiValidator; |
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25 import org.eclipse.core.databinding.validation.ValidationStatus; |
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26 import org.eclipse.core.runtime.IStatus; |
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27 import org.eclipse.core.runtime.Status; |
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28 import org.eclipse.jface.databinding.swt.SWTObservables; |
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29 import org.eclipse.jface.databinding.wizard.WizardPageSupport; |
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30 import org.eclipse.jface.wizard.IWizard; |
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31 import org.eclipse.jface.wizard.Wizard; |
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32 import org.eclipse.jface.wizard.WizardDialog; |
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33 import org.eclipse.jface.wizard.WizardPage; |
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34 import org.eclipse.swt.SWT; |
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35 import org.eclipse.swt.layout.GridData; |
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36 import org.eclipse.swt.layout.GridLayout; |
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37 import org.eclipse.swt.widgets.Composite; |
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38 import org.eclipse.swt.widgets.Display; |
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39 import org.eclipse.swt.widgets.Label; |
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40 import org.eclipse.swt.widgets.Text; |
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41 |
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42 /** |
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43 * This snippet demonstrates how to integrate an external validator |
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44 * |
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45 * @since 3.5 |
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46 */ |
100 | 47 public class Snippet027ExternalValidator : WizardPage { |
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48 |
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49 private Text nameValue; |
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50 private Text emailValue; |
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51 private Text phoneNumberValue; |
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52 |
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53 private Contact contact; |
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54 |
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55 // Minimal JavaBeans support |
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56 public static abstract class AbstractModelObject { |
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57 private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport( |
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58 this); |
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59 |
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60 public void addPropertyChangeListener(PropertyChangeListener listener) { |
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61 propertyChangeSupport.addPropertyChangeListener(listener); |
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62 } |
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63 |
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64 public void addPropertyChangeListener(String propertyName, |
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65 PropertyChangeListener listener) { |
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66 propertyChangeSupport.addPropertyChangeListener(propertyName, |
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67 listener); |
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68 } |
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69 |
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70 public void removePropertyChangeListener(PropertyChangeListener listener) { |
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71 propertyChangeSupport.removePropertyChangeListener(listener); |
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72 } |
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73 |
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74 public void removePropertyChangeListener(String propertyName, |
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75 PropertyChangeListener listener) { |
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76 propertyChangeSupport.removePropertyChangeListener(propertyName, |
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77 listener); |
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78 } |
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79 |
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80 protected void firePropertyChange(String propertyName, Object oldValue, |
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81 Object newValue) { |
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82 propertyChangeSupport.firePropertyChange(propertyName, oldValue, |
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83 newValue); |
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84 } |
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85 } |
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86 |
100 | 87 static class Contact : AbstractModelObject { |
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88 String name; |
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89 String email; |
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90 String phoneNumber; |
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91 |
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92 public Contact(String name, String email, String number) { |
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93 this.name = name; |
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94 this.email = email; |
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95 this.phoneNumber = number; |
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96 } |
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97 |
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98 public String getName() { |
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99 return name; |
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100 } |
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101 |
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102 public void setName(String name) { |
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103 String oldValue = this.name; |
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104 this.name = name; |
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105 firePropertyChange("name", oldValue, name); |
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106 } |
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107 |
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108 public String getEmail() { |
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109 return email; |
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110 } |
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111 |
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112 public void setEmail(String email) { |
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113 String oldValue = this.email; |
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114 this.email = email; |
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115 firePropertyChange("email", oldValue, email); |
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116 } |
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117 |
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118 public String getPhoneNumber() { |
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119 return phoneNumber; |
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120 } |
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121 |
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122 public void setPhoneNumber(String number) { |
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123 String oldValue = this.phoneNumber; |
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124 this.phoneNumber = number; |
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125 firePropertyChange("phoneNumber", oldValue, number); |
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126 } |
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127 |
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128 public IStatus validate() { |
100 | 129 if (name.indexOf(' ') is -1) { |
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130 return ValidationStatus |
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131 .error("Please enter both first and last name separated by a space."); |
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132 } |
100 | 133 if (email.indexOf('@') is -1) { |
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134 return ValidationStatus |
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135 .error("Please enter a valid email address containing '@'."); |
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136 } |
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137 if (!phoneNumber.startsWith("+")) { |
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138 return ValidationStatus |
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139 .error("Please enter the phone number in international format starting with '+'."); |
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140 } |
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141 return Status.OK_STATUS; |
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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 /** |
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147 * Create the wizard |
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148 */ |
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149 public Snippet027ExternalValidator() { |
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150 super("snippet024"); |
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151 setTitle("Snippet 024 - External Validation"); |
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152 setDescription("Please enter contact details."); |
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153 } |
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154 |
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155 /** |
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156 * Create contents of the wizard |
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157 * |
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158 * @param parent |
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159 */ |
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160 public void createControl(Composite parent) { |
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161 Composite container = new Composite(parent, SWT.NULL); |
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162 final GridLayout gridLayout = new GridLayout(); |
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163 gridLayout.numColumns = 2; |
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164 container.setLayout(gridLayout); |
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165 setControl(container); |
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166 |
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167 final Label nameLabel = new Label(container, SWT.NONE); |
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168 nameLabel.setText("Name"); |
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169 |
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170 nameValue = new Text(container, SWT.BORDER); |
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171 final GridData gd = new GridData(SWT.FILL, SWT.CENTER, true, false); |
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172 nameValue.setLayoutData(gd); |
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173 |
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174 final Label emailLabel = new Label(container, SWT.NONE); |
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175 emailLabel.setText("Email"); |
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176 |
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177 emailValue = new Text(container, SWT.BORDER); |
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178 emailValue.setLayoutData(gd); |
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179 |
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180 final Label phoneLabel = new Label(container, SWT.NONE); |
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181 phoneLabel.setText("Phone"); |
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182 |
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183 phoneNumberValue = new Text(container, SWT.BORDER); |
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184 phoneNumberValue.setLayoutData(gd); |
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185 |
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186 contact = new Contact("BorisBokowski", "boris.at.somecompany.com", |
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187 "1-123-456-7890"); |
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188 |
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189 bindUI(); |
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190 } |
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191 |
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192 private void bindUI() { |
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193 DataBindingContext dbc = new DataBindingContext(); |
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194 |
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195 final IObservableValue name = BeansObservables.observeValue(contact, |
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196 "name"); |
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197 dbc.bindValue(SWTObservables.observeText(nameValue, SWT.Modify), name, |
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198 null, null); |
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199 |
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200 final IObservableValue email = BeansObservables.observeValue(contact, |
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201 "email"); |
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202 dbc.bindValue(SWTObservables.observeText(emailValue, SWT.Modify), |
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203 email, null, null); |
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204 |
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205 final IObservableValue phone = BeansObservables.observeValue(contact, |
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206 "phoneNumber"); |
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207 dbc.bindValue(SWTObservables.observeText(phoneNumberValue, SWT.Modify), |
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208 phone, null, null); |
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209 |
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210 MultiValidator validator = new MultiValidator() { |
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211 protected IStatus validate() { |
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212 |
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213 // Everything accessed here will trigger re-validation. |
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214 name.getValue(); |
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215 email.getValue(); |
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216 phone.getValue(); |
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217 |
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218 System.out.println("Validating..."); |
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219 |
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220 return contact.validate(); |
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221 } |
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222 }; |
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223 dbc.addValidationStatusProvider(validator); |
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224 |
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225 WizardPageSupport.create(this, dbc); |
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226 } |
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227 |
100 | 228 static class ExternalValidationWizard : Wizard { |
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229 public void addPages() { |
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230 addPage(new Snippet027ExternalValidator()); |
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231 } |
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232 |
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233 public String getWindowTitle() { |
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234 return "Snippet 024 - External Validation"; |
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235 } |
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236 |
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237 public bool performFinish() { |
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238 return true; |
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239 } |
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240 } |
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241 |
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242 public static void main(String[] args) { |
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243 Display display = new Display(); |
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244 |
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245 Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() { |
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246 public void run() { |
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247 IWizard wizard = new ExternalValidationWizard(); |
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248 WizardDialog dialog = new WizardDialog(null, wizard); |
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249 dialog.open(); |
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250 |
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251 // The SWT event loop |
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252 Display display = Display.getCurrent(); |
100 | 253 while (dialog.getShell() !is null |
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254 && !dialog.getShell().isDisposed()) { |
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255 if (!display.readAndDispatch()) { |
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256 display.sleep(); |
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257 } |
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258 } |
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259 } |
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260 }); |
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261 |
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262 display.dispose(); |
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263 } |
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264 } |
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265 void main( String[] args ){ |
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266 Snippet027ExternalValidator.main(args); |
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267 } |