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annotate org.eclipse.core.databinding.beans/src/org/eclipse/core/internal/databinding/beans/JavaBeanObservableList.d @ 95:6208d4f6a277

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Added trees for databinding.beans and observable
author Frank Benoit <benoit@tionex.de>
date Tue, 21 Apr 2009 10:55:51 +0200
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children b74ac5dfcc06
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1 /*******************************************************************************
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2 * Copyright (c) 2006-2008 IBM 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 * IBM Corporation - initial API and implementation
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10 * Brad Reynolds - bug 171616
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11 * Matthew Hall - bugs 208858, 221351, 213145, 223164, 244098
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12 * Mike Evans - bug 217558
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13 *******************************************************************************/
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14
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15 package org.eclipse.core.internal.databinding.beans;
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16
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17 import java.beans.PropertyChangeListener;
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18 import java.beans.PropertyDescriptor;
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19 import java.lang.reflect.Array;
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20 import java.lang.reflect.InvocationTargetException;
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21 import java.lang.reflect.Method;
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22 import java.util.ArrayList;
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23 import java.util.Arrays;
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24 import java.util.Collection;
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25 import java.util.Iterator;
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26 import java.util.List;
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27
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28 import org.eclipse.core.databinding.BindingException;
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29 import org.eclipse.core.databinding.beans.IBeanObservable;
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30 import org.eclipse.core.databinding.observable.Diffs;
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31 import org.eclipse.core.databinding.observable.Realm;
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32 import org.eclipse.core.databinding.observable.list.ListDiffEntry;
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33 import org.eclipse.core.databinding.observable.list.ObservableList;
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34
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35 /**
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36 * @since 1.0
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37 *
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38 */
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39 public class JavaBeanObservableList : ObservableList ,
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40 IBeanObservable {
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41
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42 private final Object object;
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43
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44 private bool updating = false;
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45
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46 private PropertyDescriptor descriptor;
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47
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48 private ListenerSupport listenerSupport;
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49
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50 /**
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51 * @param realm
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52 * @param object
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53 * @param descriptor
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54 * @param elementType
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55 */
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56 public this(Realm realm, Object object,
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57 PropertyDescriptor descriptor, Class elementType) {
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58 this(realm, object, descriptor, elementType, true);
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59 }
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60
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61 /**
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62 * @param realm
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63 * @param object
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64 * @param descriptor
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65 * @param elementType
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66 * @param attachListeners
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67 */
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68 public this(Realm realm, Object object,
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69 PropertyDescriptor descriptor, Class elementType,
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70 bool attachListeners) {
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71
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72 super(realm, new ArrayList(), elementType);
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73 this.object = object;
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74 this.descriptor = descriptor;
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75
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76 if (attachListeners) {
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77 PropertyChangeListener listener = new class() PropertyChangeListener {
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78 public void propertyChange(java.beans.PropertyChangeEvent event) {
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79 if (!updating) {
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80 getRealm().exec(new class() Runnable {
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81 public void run() {
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82 updateWrappedList(new ArrayList(Arrays
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83 .asList(getValues())));
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84 }
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85 });
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86 }
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87 }
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88 };
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89 this.listenerSupport = new ListenerSupport(listener,
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90 descriptor.getName());
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91 listenerSupport.hookListener(this.object);
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92 }
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93
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94 // initialize list without firing events
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95 wrappedList.addAll(Arrays.asList(getValues()));
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96 }
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97
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98 public void dispose() {
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99 if (listenerSupport !is null) {
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100 listenerSupport.dispose();
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101 listenerSupport = null;
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102 }
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103 super.dispose();
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104 }
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105
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106 private Object primGetValues() {
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107 Exception ex = null;
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108 try {
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109 Method readMethod = descriptor.getReadMethod();
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110 if (!readMethod.isAccessible()) {
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111 readMethod.setAccessible(true);
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112 }
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113 return readMethod.invoke(object, new Object[0]);
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114 } catch (IllegalArgumentException e) {
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115 ex = e;
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116 } catch (IllegalAccessException e) {
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117 ex = e;
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118 } catch (InvocationTargetException e) {
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119 ex = e;
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120 }
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121 throw new BindingException("Could not read collection values", ex); //$NON-NLS-1$
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122 }
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123
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124 private Object[] getValues() {
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125 Object[] values = null;
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126
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127 Object result = primGetValues();
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128 if (descriptor.getPropertyType().isArray())
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129 values = cast(Object[]) result;
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130 else {
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131 // TODO add jUnit for POJO (var. SettableValue) collections
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132 Collection list = cast(Collection) result;
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133 if (list !is null) {
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134 values = list.toArray();
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135 }
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136 }
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137 if (values is null)
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138 values = new Object[0];
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139 return values;
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140 }
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141
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142 public Object getObserved() {
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143 return object;
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144 }
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145
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146 public PropertyDescriptor getPropertyDescriptor() {
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147 return descriptor;
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148 }
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149
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150 private void setValues() {
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151 if (descriptor.getPropertyType().isArray()) {
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152 Class componentType = descriptor.getPropertyType()
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153 .getComponentType();
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154 Object[] newArray = cast(Object[]) Array.newInstance(componentType,
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
155 wrappedList.size());
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
156 wrappedList.toArray(newArray);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
157 primSetValues(newArray);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
158 } else {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
159 // assume that it is a java.util.List
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
160 primSetValues(new ArrayList(wrappedList));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
161 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
162 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
163
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
164 private void primSetValues(Object newValue) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
165 Exception ex = null;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
166 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
167 Method writeMethod = descriptor.getWriteMethod();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
168 if (!writeMethod.isAccessible()) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
169 writeMethod.setAccessible(true);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
170 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
171 writeMethod.invoke(object, new Object[] { newValue });
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
172 return;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
173 } catch (IllegalArgumentException e) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
174 ex = e;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
175 } catch (IllegalAccessException e) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
176 ex = e;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
177 } catch (InvocationTargetException e) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
178 ex = e;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
179 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
180 throw new BindingException("Could not write collection values", ex); //$NON-NLS-1$
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
181 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
182
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
183 public Object set(int index, Object element) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
184 getterCalled();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
185 updating = true;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
186 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
187 Object oldElement = wrappedList.set(index, element);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
188 setValues();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
189 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
190 index, false, oldElement), Diffs.createListDiffEntry(index,
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
191 true, element)));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
192 return oldElement;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
193 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
194 updating = false;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
195 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
196 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
197
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
198 public Object move(int oldIndex, int newIndex) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
199 getterCalled();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
200 updating = true;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
201 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
202 int size = wrappedList.size();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
203 if (oldIndex < 0 || oldIndex >= size)
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
204 throw new IndexOutOfBoundsException(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
205 "oldIndex: " + oldIndex + ", size:" + size); //$NON-NLS-1$ //$NON-NLS-2$
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
206 if (newIndex < 0 || newIndex >= size)
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
207 throw new IndexOutOfBoundsException(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
208 "newIndex: " + newIndex + ", size:" + size); //$NON-NLS-1$ //$NON-NLS-2$
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
209 if (oldIndex is newIndex)
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
210 return wrappedList.get(oldIndex);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
211 Object element = wrappedList.remove(oldIndex);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
212 wrappedList.add(newIndex, element);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
213 setValues();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
214 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
215 oldIndex, false, element), Diffs.createListDiffEntry(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
216 newIndex, true, element)));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
217 return element;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
218 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
219 updating = false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
220 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
221 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
222
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
223 public Object remove(int index) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
224 getterCalled();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
225 updating = true;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
226 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
227 Object oldElement = wrappedList.remove(index);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
228 setValues();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
229 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
230 index, false, oldElement)));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
231 return oldElement;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
232 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
233 updating = false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
234 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
235 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
236
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
237 public bool add(Object element) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
238 updating = true;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
239 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
240 int index = wrappedList.size();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
241 bool result = wrappedList.add(element);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
242 setValues();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
243 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
244 index, true, element)));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
245 return result;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
246 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
247 updating = false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
248 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
249 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
250
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
251 public void add(int index, Object element) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
252 updating = true;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
253 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
254 wrappedList.add(index, element);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
255 setValues();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
256 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
257 index, true, element)));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
258 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
259 updating = false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
260 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
261 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
262
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
263 public bool addAll(Collection c) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
264 if (c.isEmpty()) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
265 return false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
266 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
267 updating = true;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
268 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
269 int index = wrappedList.size();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
270 bool result = wrappedList.addAll(c);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
271 setValues();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
272 ListDiffEntry[] entries = new ListDiffEntry[c.size()];
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
273 int i = 0;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
274 for (Iterator it = c.iterator(); it.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
275 Object o = it.next();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
276 entries[i++] = Diffs.createListDiffEntry(index++, true, o);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
277 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
278 fireListChange(Diffs.createListDiff(entries));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
279 return result;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
280 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
281 updating = false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
282 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
283 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
284
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
285 public bool addAll(int index, Collection c) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
286 if (c.isEmpty()) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
287 return false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
288 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
289 updating = true;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
290 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
291 bool result = wrappedList.addAll(index, c);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
292 setValues();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
293 ListDiffEntry[] entries = new ListDiffEntry[c.size()];
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
294 int i = 0;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
295 for (Iterator it = c.iterator(); it.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
296 Object o = it.next();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
297 entries[i++] = Diffs.createListDiffEntry(index++, true, o);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
298 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
299 fireListChange(Diffs.createListDiff(entries));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
300 return result;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
301 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
302 updating = false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
303 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
304 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
305
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
306 public bool remove(Object o) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
307 getterCalled();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
308 int index = wrappedList.indexOf(o);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
309 if (index is -1) {
6208d4f6a277 Added trees for databinding.beans and observable
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310 return false;
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311 }
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312 updating = true;
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313 try {
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314 Object oldElement = wrappedList.remove(index);
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315 setValues();
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316 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
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317 index, false, oldElement)));
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318 return true;
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319 } finally {
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320 updating = false;
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321 }
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322 }
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323
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324 public bool removeAll(Collection c) {
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325 getterCalled();
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326 bool changed = false;
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327 updating = true;
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328 try {
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329 List diffEntries = new ArrayList();
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330 for (Iterator it = c.iterator(); it.hasNext();) {
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331 Object o = it.next();
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332 int index = wrappedList.indexOf(o);
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333 if (index !is -1) {
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334 changed = true;
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335 Object oldElement = wrappedList.remove(index);
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336 diffEntries.add(Diffs.createListDiffEntry(index, false,
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337 oldElement));
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338 }
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339 }
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340 if (changed) {
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341 setValues();
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342 fireListChange(Diffs
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343 .createListDiff(cast(ListDiffEntry[]) diffEntries
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344 .toArray(new ListDiffEntry[diffEntries.size()])));
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345 }
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346 return changed;
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347 } finally {
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348 updating = false;
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349 }
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350 }
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351
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352 public bool retainAll(Collection c) {
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353 getterCalled();
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354 bool changed = false;
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355 updating = true;
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356 try {
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357 List diffEntries = new ArrayList();
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358 int index = 0;
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diff changeset
359 for (Iterator it = wrappedList.iterator(); it.hasNext();) {
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360 Object o = it.next();
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361 bool retain = c.contains(o);
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362 if (retain) {
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363 index++;
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364 } else {
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365 changed = true;
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366 it.remove();
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367 diffEntries.add(Diffs.createListDiffEntry(index, false, o));
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368 }
6208d4f6a277 Added trees for databinding.beans and observable
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diff changeset
369 }
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diff changeset
370 if (changed) {
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diff changeset
371 setValues();
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diff changeset
372 fireListChange(Diffs
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373 .createListDiff(cast(ListDiffEntry[]) diffEntries
6208d4f6a277 Added trees for databinding.beans and observable
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374 .toArray(new ListDiffEntry[diffEntries.size()])));
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diff changeset
375 }
6208d4f6a277 Added trees for databinding.beans and observable
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376 return changed;
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377 } finally {
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378 updating = false;
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diff changeset
379 }
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parents:
diff changeset
380 }
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parents:
diff changeset
381
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diff changeset
382 public void clear() {
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diff changeset
383 updating = true;
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parents:
diff changeset
384 try {
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parents:
diff changeset
385 List diffEntries = new ArrayList();
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parents:
diff changeset
386 for (Iterator it = wrappedList.iterator(); it.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable
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parents:
diff changeset
387 Object o = it.next();
6208d4f6a277 Added trees for databinding.beans and observable
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parents:
diff changeset
388 diffEntries.add(Diffs.createListDiffEntry(0, false, o));
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parents:
diff changeset
389 }
6208d4f6a277 Added trees for databinding.beans and observable
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parents:
diff changeset
390 wrappedList.clear();
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diff changeset
391 setValues();
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parents:
diff changeset
392 fireListChange(Diffs.createListDiff(cast(ListDiffEntry[]) diffEntries
6208d4f6a277 Added trees for databinding.beans and observable
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parents:
diff changeset
393 .toArray(new ListDiffEntry[diffEntries.size()])));
6208d4f6a277 Added trees for databinding.beans and observable
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parents:
diff changeset
394 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
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parents:
diff changeset
395 updating = false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
396 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
397 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
398
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
399 }