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annotate org.eclipse.core.databinding.beans/src/org/eclipse/core/internal/databinding/beans/JavaBeanObservableList.d @ 97:c86eb8b3098e

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packageimport
author Frank Benoit <benoit@tionex.de>
date Tue, 21 Apr 2009 11:18:25 +0200
parents b74ac5dfcc06
children 48d4ee626868
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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 module org.eclipse.core.internal.databinding.beans.JavaBeanObservableList;
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16 import org.eclipse.core.internal.databinding.beans.ListenerSupport;
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17
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18 import java.lang.all;
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19
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20 import java.beans.PropertyChangeListener;
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21 import java.beans.PropertyDescriptor;
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22 import java.lang.reflect.Array;
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23 import java.lang.reflect.InvocationTargetException;
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24 import java.lang.reflect.Method;
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25 import java.util.ArrayList;
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26 import java.util.Arrays;
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27 import java.util.Collection;
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28 import java.util.Iterator;
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29 import java.util.List;
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30
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31 import org.eclipse.core.databinding.BindingException;
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32 import org.eclipse.core.databinding.beans.IBeanObservable;
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33 import org.eclipse.core.databinding.observable.Diffs;
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34 import org.eclipse.core.databinding.observable.Realm;
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35 import org.eclipse.core.databinding.observable.list.ListDiffEntry;
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36 import org.eclipse.core.databinding.observable.list.ObservableList;
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37
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38 /**
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39 * @since 1.0
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40 *
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41 */
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42 public class JavaBeanObservableList : ObservableList ,
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43 IBeanObservable {
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44
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45 private final Object object;
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46
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47 private bool updating = false;
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48
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49 private PropertyDescriptor descriptor;
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50
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51 private ListenerSupport listenerSupport;
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52
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53 /**
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54 * @param realm
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55 * @param object
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56 * @param descriptor
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57 * @param elementType
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58 */
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59 public this(Realm realm, Object object,
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60 PropertyDescriptor descriptor, Class elementType) {
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61 this(realm, object, descriptor, elementType, true);
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62 }
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63
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64 /**
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65 * @param realm
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66 * @param object
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67 * @param descriptor
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68 * @param elementType
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69 * @param attachListeners
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70 */
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71 public this(Realm realm, Object object,
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72 PropertyDescriptor descriptor, Class elementType,
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73 bool attachListeners) {
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74
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75 super(realm, new ArrayList(), elementType);
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76 this.object = object;
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77 this.descriptor = descriptor;
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78
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79 if (attachListeners) {
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80 PropertyChangeListener listener = new class() PropertyChangeListener {
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81 public void propertyChange(java.beans.PropertyChangeEvent event) {
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82 if (!updating) {
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83 getRealm().exec(new class() Runnable {
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84 public void run() {
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85 updateWrappedList(new ArrayList(Arrays
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86 .asList(getValues())));
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87 }
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88 });
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89 }
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90 }
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91 };
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92 this.listenerSupport = new ListenerSupport(listener,
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93 descriptor.getName());
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94 listenerSupport.hookListener(this.object);
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95 }
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96
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97 // initialize list without firing events
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98 wrappedList.addAll(Arrays.asList(getValues()));
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99 }
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100
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101 public void dispose() {
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102 if (listenerSupport !is null) {
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103 listenerSupport.dispose();
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104 listenerSupport = null;
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105 }
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106 super.dispose();
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107 }
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108
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109 private Object primGetValues() {
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110 Exception ex = null;
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111 try {
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112 Method readMethod = descriptor.getReadMethod();
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113 if (!readMethod.isAccessible()) {
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114 readMethod.setAccessible(true);
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115 }
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116 return readMethod.invoke(object, new Object[0]);
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117 } catch (IllegalArgumentException e) {
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118 ex = e;
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119 } catch (IllegalAccessException e) {
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120 ex = e;
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121 } catch (InvocationTargetException e) {
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122 ex = e;
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123 }
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124 throw new BindingException("Could not read collection values", ex); //$NON-NLS-1$
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125 }
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126
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127 private Object[] getValues() {
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128 Object[] values = null;
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129
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130 Object result = primGetValues();
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131 if (descriptor.getPropertyType().isArray())
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132 values = cast(Object[]) result;
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133 else {
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134 // TODO add jUnit for POJO (var. SettableValue) collections
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135 Collection list = cast(Collection) result;
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136 if (list !is null) {
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137 values = list.toArray();
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138 }
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139 }
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140 if (values is null)
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141 values = new Object[0];
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142 return values;
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143 }
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144
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145 public Object getObserved() {
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146 return object;
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147 }
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148
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149 public PropertyDescriptor getPropertyDescriptor() {
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150 return descriptor;
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151 }
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152
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153 private void setValues() {
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diff changeset
154 if (descriptor.getPropertyType().isArray()) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
155 Class componentType = descriptor.getPropertyType()
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
156 .getComponentType();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
157 Object[] newArray = cast(Object[]) Array.newInstance(componentType,
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
158 wrappedList.size());
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
159 wrappedList.toArray(newArray);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
160 primSetValues(newArray);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
161 } else {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
162 // assume that it is a java.util.List
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
163 primSetValues(new ArrayList(wrappedList));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
164 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
165 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
166
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
167 private void primSetValues(Object newValue) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
168 Exception ex = null;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
169 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
170 Method writeMethod = descriptor.getWriteMethod();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
171 if (!writeMethod.isAccessible()) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
172 writeMethod.setAccessible(true);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
173 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
174 writeMethod.invoke(object, new Object[] { newValue });
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
175 return;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
176 } catch (IllegalArgumentException e) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
177 ex = e;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
178 } catch (IllegalAccessException e) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
179 ex = e;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
180 } catch (InvocationTargetException e) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
181 ex = e;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
182 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
183 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
184 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
185
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
186 public Object set(int index, Object element) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
187 getterCalled();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
188 updating = true;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
189 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
190 Object oldElement = wrappedList.set(index, element);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
191 setValues();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
192 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
193 index, false, oldElement), Diffs.createListDiffEntry(index,
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
194 true, element)));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
195 return oldElement;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
196 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
197 updating = false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
198 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
199 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
200
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
201 public Object move(int oldIndex, int newIndex) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
202 getterCalled();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
203 updating = true;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
204 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
205 int size = wrappedList.size();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
206 if (oldIndex < 0 || oldIndex >= 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 "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
209 if (newIndex < 0 || newIndex >= size)
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
210 throw new IndexOutOfBoundsException(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
211 "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
212 if (oldIndex is newIndex)
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
213 return wrappedList.get(oldIndex);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
214 Object element = wrappedList.remove(oldIndex);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
215 wrappedList.add(newIndex, element);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
216 setValues();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
217 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
218 oldIndex, false, element), Diffs.createListDiffEntry(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
219 newIndex, true, element)));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
220 return element;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
221 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
222 updating = false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
223 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
224 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
225
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
226 public Object remove(int index) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
227 getterCalled();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
228 updating = true;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
229 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
230 Object oldElement = wrappedList.remove(index);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
231 setValues();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
232 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
233 index, false, oldElement)));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
234 return oldElement;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
235 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
236 updating = false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
237 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
238 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
239
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
240 public bool add(Object element) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
241 updating = true;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
242 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
243 int index = wrappedList.size();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
244 bool result = wrappedList.add(element);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
245 setValues();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
246 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
247 index, true, element)));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
248 return result;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
249 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
250 updating = false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
251 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
252 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
253
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
254 public void add(int index, Object element) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
255 updating = true;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
256 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
257 wrappedList.add(index, element);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
258 setValues();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
259 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
260 index, true, element)));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
261 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
262 updating = false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
263 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
264 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
265
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
266 public bool addAll(Collection c) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
267 if (c.isEmpty()) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
268 return false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
269 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
270 updating = true;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
271 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
272 int index = wrappedList.size();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
273 bool result = wrappedList.addAll(c);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
274 setValues();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
275 ListDiffEntry[] entries = new ListDiffEntry[c.size()];
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
276 int i = 0;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
277 for (Iterator it = c.iterator(); it.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
278 Object o = it.next();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
279 entries[i++] = Diffs.createListDiffEntry(index++, true, o);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
280 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
281 fireListChange(Diffs.createListDiff(entries));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
282 return result;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
283 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
284 updating = false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
285 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
286 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
287
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
288 public bool addAll(int index, Collection c) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
289 if (c.isEmpty()) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
290 return false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
291 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
292 updating = true;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
293 try {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
294 bool result = wrappedList.addAll(index, c);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
295 setValues();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
296 ListDiffEntry[] entries = new ListDiffEntry[c.size()];
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
297 int i = 0;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
298 for (Iterator it = c.iterator(); it.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
299 Object o = it.next();
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
300 entries[i++] = Diffs.createListDiffEntry(index++, true, o);
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
301 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
302 fireListChange(Diffs.createListDiff(entries));
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
303 return result;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
304 } finally {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
305 updating = false;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
306 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
307 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
308
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
309 public bool remove(Object o) {
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310 getterCalled();
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311 int index = wrappedList.indexOf(o);
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312 if (index is -1) {
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313 return false;
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314 }
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315 updating = true;
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316 try {
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317 Object oldElement = wrappedList.remove(index);
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318 setValues();
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319 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
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320 index, false, oldElement)));
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321 return true;
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322 } finally {
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323 updating = false;
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324 }
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325 }
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326
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327 public bool removeAll(Collection c) {
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328 getterCalled();
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329 bool changed = false;
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330 updating = true;
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331 try {
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332 List diffEntries = new ArrayList();
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333 for (Iterator it = c.iterator(); it.hasNext();) {
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334 Object o = it.next();
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335 int index = wrappedList.indexOf(o);
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336 if (index !is -1) {
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337 changed = true;
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338 Object oldElement = wrappedList.remove(index);
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339 diffEntries.add(Diffs.createListDiffEntry(index, false,
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340 oldElement));
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341 }
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342 }
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343 if (changed) {
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344 setValues();
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345 fireListChange(Diffs
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346 .createListDiff(cast(ListDiffEntry[]) diffEntries
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347 .toArray(new ListDiffEntry[diffEntries.size()])));
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348 }
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349 return changed;
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350 } finally {
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351 updating = false;
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352 }
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353 }
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354
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355 public bool retainAll(Collection c) {
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356 getterCalled();
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357 bool changed = false;
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358 updating = true;
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359 try {
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360 List diffEntries = new ArrayList();
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diff changeset
361 int index = 0;
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diff changeset
362 for (Iterator it = wrappedList.iterator(); it.hasNext();) {
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diff changeset
363 Object o = it.next();
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diff changeset
364 bool retain = c.contains(o);
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diff changeset
365 if (retain) {
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366 index++;
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367 } else {
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diff changeset
368 changed = true;
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diff changeset
369 it.remove();
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370 diffEntries.add(Diffs.createListDiffEntry(index, false, o));
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diff changeset
371 }
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diff changeset
372 }
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diff changeset
373 if (changed) {
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diff changeset
374 setValues();
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diff changeset
375 fireListChange(Diffs
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376 .createListDiff(cast(ListDiffEntry[]) diffEntries
6208d4f6a277 Added trees for databinding.beans and observable
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377 .toArray(new ListDiffEntry[diffEntries.size()])));
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diff changeset
378 }
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379 return changed;
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380 } finally {
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diff changeset
381 updating = false;
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diff changeset
382 }
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parents:
diff changeset
383 }
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diff changeset
384
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diff changeset
385 public void clear() {
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diff changeset
386 updating = true;
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diff changeset
387 try {
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diff changeset
388 List diffEntries = new ArrayList();
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diff changeset
389 for (Iterator it = wrappedList.iterator(); it.hasNext();) {
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diff changeset
390 Object o = it.next();
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diff changeset
391 diffEntries.add(Diffs.createListDiffEntry(0, false, o));
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diff changeset
392 }
6208d4f6a277 Added trees for databinding.beans and observable
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diff changeset
393 wrappedList.clear();
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diff changeset
394 setValues();
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diff changeset
395 fireListChange(Diffs.createListDiff(cast(ListDiffEntry[]) diffEntries
6208d4f6a277 Added trees for databinding.beans and observable
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parents:
diff changeset
396 .toArray(new ListDiffEntry[diffEntries.size()])));
6208d4f6a277 Added trees for databinding.beans and observable
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parents:
diff changeset
397 } finally {
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parents:
diff changeset
398 updating = false;
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diff changeset
399 }
6208d4f6a277 Added trees for databinding.beans and observable
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parents:
diff changeset
400 }
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
401
6208d4f6a277 Added trees for databinding.beans and observable
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parents:
diff changeset
402 }